sdl-ios-xcode: src/video/SDL_blit

author	Sam Lantinga <slouken@libsdl.org>
date	Fri, 17 Aug 2007 06:21:58 +0000
parents
children	900c35d8e8fd

rev	line source
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /* DO NOT EDIT! This file is generated by sdlgenblit.pl */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 /*
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 SDL - Simple DirectMedia Layer
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4 Copyright (C) 1997-2006 Sam Lantinga
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 This library is free software; you can redistribute it and/or
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 modify it under the terms of the GNU Lesser General Public
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 License as published by the Free Software Foundation; either
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9 version 2.1 of the License, or (at your option) any later version.
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 This library is distributed in the hope that it will be useful,
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 but WITHOUT ANY WARRANTY; without even the implied warranty of
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14 Lesser General Public License for more details.
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 You should have received a copy of the GNU Lesser General Public
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 License along with this library; if not, write to the Free Software
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 Sam Lantinga
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 slouken@libsdl.org
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23 #include "SDL_config.h"
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 /* INDENT-OFF */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 #include "SDL_video.h"
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 #include "SDL_blit.h"
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 #include "SDL_blit_auto.h"
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 static SDL_BlitFuncEntry _SDL_GeneratedBlitFuncTable[] = {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend_Scale },
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 { 0, 0, 0, 0, NULL }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 };
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 SDL_BlitFuncEntry *SDL_GeneratedBlitFuncTable = _SDL_GeneratedBlitFuncTable;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 void SDL_Blit_RGB888_RGB888_Scale(SDL_BlitInfo *info)
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 dst = src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 void SDL_Blit_RGB888_RGB888_Blend(SDL_BlitInfo *info)
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 void SDL_Blit_RGB888_RGB888_Blend_Scale(SDL_BlitInfo *info)
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 void SDL_Blit_RGB888_RGB888_Modulate(SDL_BlitInfo *info)
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 void SDL_Blit_RGB888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 void SDL_Blit_RGB888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 void SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;

2262

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1 /* DO NOT EDIT! This file is generated by sdlgenblit.pl */

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2 /*

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3 SDL - Simple DirectMedia Layer

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diff changeset

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5

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6 This library is free software; you can redistribute it and/or

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7 modify it under the terms of the GNU Lesser General Public

bee005ace1bf Work in progress: merging new texture features into SDL blit system

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8 License as published by the Free Software Foundation; either

bee005ace1bf Work in progress: merging new texture features into SDL blit system

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9 version 2.1 of the License, or (at your option) any later version.

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10

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11 This library is distributed in the hope that it will be useful,

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12 but WITHOUT ANY WARRANTY; without even the implied warranty of

bee005ace1bf Work in progress: merging new texture features into SDL blit system

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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

bee005ace1bf Work in progress: merging new texture features into SDL blit system

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14 Lesser General Public License for more details.

bee005ace1bf Work in progress: merging new texture features into SDL blit system

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15

bee005ace1bf Work in progress: merging new texture features into SDL blit system

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16 You should have received a copy of the GNU Lesser General Public

bee005ace1bf Work in progress: merging new texture features into SDL blit system

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17 License along with this library; if not, write to the Free Software

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18 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

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19

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20 Sam Lantinga

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21 slouken@libsdl.org

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22 */

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23 #include "SDL_config.h"

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24

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25 /* *INDENT-OFF* */

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26

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27 #include "SDL_video.h"

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28 #include "SDL_blit.h"

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29 #include "SDL_blit_auto.h"

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30

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31 static SDL_BlitFuncEntry _SDL_GeneratedBlitFuncTable[] = {

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32 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Scale },

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33 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend },

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34 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend_Scale },

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35 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate },

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36 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Scale },

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37 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend },

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38 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale },

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39 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Scale },

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40 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend },

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41 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend_Scale },

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42 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate },

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43 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Scale },

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44 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend },

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45 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend_Scale },

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46 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Scale },

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47 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend },

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48 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend_Scale },

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49 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate },

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50 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Scale },

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51 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend },

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52 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend_Scale },

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53 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Scale },

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54 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend },

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55 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend_Scale },

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56 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate },

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57 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Scale },

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58 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend },

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59 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend_Scale },

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60 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Scale },

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61 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend },

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62 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend_Scale },

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63 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate },

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64 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Scale },

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65 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend },

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66 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend_Scale },

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67 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Scale },

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68 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend },

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69 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend_Scale },

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70 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate },

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71 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Scale },

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72 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend },

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73 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend_Scale },

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74 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Scale },

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75 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend },

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76 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend_Scale },

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77 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate },

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78 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Scale },

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79 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend },

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80 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend_Scale },

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Sam Lantinga <slouken@libsdl.org>

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81 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Scale },

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82 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend },

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Sam Lantinga <slouken@libsdl.org>

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83 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend_Scale },

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Sam Lantinga <slouken@libsdl.org>

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84 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate },

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Sam Lantinga <slouken@libsdl.org>

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85 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Scale },

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

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86 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend },

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

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87 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend_Scale },

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Sam Lantinga <slouken@libsdl.org>

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88 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Scale },

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Sam Lantinga <slouken@libsdl.org>

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89 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend },

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

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90 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend_Scale },

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Sam Lantinga <slouken@libsdl.org>

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91 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate },

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

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92 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Scale },

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93 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend },

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94 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend_Scale },

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95 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Scale },

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96 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend },

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97 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend_Scale },

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98 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate },

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99 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Scale },

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100 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend },

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101 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend_Scale },

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102 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Scale },

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103 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend },

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104 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend_Scale },

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105 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate },

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106 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Scale },

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107 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend },

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108 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend_Scale },

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109 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Scale },

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110 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend },

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111 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend_Scale },

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112 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate },

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113 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Scale },

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114 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend },

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115 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA | SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend_Scale },

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116 { 0, 0, 0, 0, NULL }

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117 };

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118

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119 SDL_BlitFuncEntry *SDL_GeneratedBlitFuncTable = _SDL_GeneratedBlitFuncTable;

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120

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121 void SDL_Blit_RGB888_RGB888_Scale(SDL_BlitInfo *info)

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122 {

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123 const int flags = info->flags;

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124 int srcy, srcx;

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125 int posy, posx;

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126 int incy, incx;

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127

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128 srcy = 0;

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129 posy = 0;

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130 incy = (info->src_h << 16) / info->dst_h;

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131 incx = (info->src_w << 16) / info->dst_w;

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132

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133 while (info->dst_h--) {

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134 Uint32 *src;

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135 Uint32 *dst = (Uint32 *)info->dst;

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136 int n = info->dst_w;

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137 srcx = -1;

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138 posx = 0x10000L;

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139 while (posy >= 0x10000L) {

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140 ++srcy;

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141 posy -= 0x10000L;

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142 }

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143 while (n--) {

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144 if (posx >= 0x10000L) {

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145 while (posx >= 0x10000L) {

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146 ++srcx;

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147 posx -= 0x10000L;

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148 }

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149 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

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150 }

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151 *dst = *src;

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152 posx += incx;

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153 ++dst;

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154 }

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155 posy += incy;

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156 info->dst += info->dst_pitch;

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157 }

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158 }

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159

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160 void SDL_Blit_RGB888_RGB888_Blend(SDL_BlitInfo *info)

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161 {

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162 const int flags = info->flags;

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163 Uint32 srcpixel;

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164 Uint32 srcR, srcG, srcB, srcA;

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165 Uint32 dstpixel;

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166 Uint32 dstR, dstG, dstB, dstA;

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167

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168 while (info->dst_h--) {

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169 Uint32 *src = (Uint32 *)info->src;

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170 Uint32 *dst = (Uint32 *)info->dst;

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171 int n = info->dst_w;

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172 while (n--) {

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173 srcpixel = *src;

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174 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;

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175 dstpixel = *dst;

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176 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

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177 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

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178 /* This goes away if we ever use premultiplied alpha */

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179 if (srcA < 255) {

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180 srcR = (srcR * srcA) / 255;

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181 srcG = (srcG * srcA) / 255;

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182 srcB = (srcB * srcA) / 255;

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183 }

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184 }

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185 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

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186 case SDL_COPY_MASK:

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187 if (srcA) {

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188 dstR = srcR;

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189 dstG = srcG;

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190 dstB = srcB;

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191 }

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192 break;

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193 case SDL_COPY_BLEND:

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194 dstR = srcR + ((255 - srcA) * dstR) / 255;

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195 dstG = srcG + ((255 - srcA) * dstG) / 255;

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196 dstB = srcB + ((255 - srcA) * dstB) / 255;

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197 break;

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198 case SDL_COPY_ADD:

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199 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

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200 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

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201 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

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202 break;

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203 case SDL_COPY_MOD:

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204 dstR = (srcR * dstR) / 255;

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205 dstG = (srcG * dstG) / 255;

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206 dstB = (srcB * dstB) / 255;

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207 break;

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208 }

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209 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

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210 *dst = dstpixel;

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211 ++src;

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212 ++dst;

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213 }

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214 info->src += info->src_pitch;

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215 info->dst += info->dst_pitch;

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216 }

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217 }

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218

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219 void SDL_Blit_RGB888_RGB888_Blend_Scale(SDL_BlitInfo *info)

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220 {

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221 const int flags = info->flags;

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222 Uint32 srcpixel;

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223 Uint32 srcR, srcG, srcB, srcA;

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224 Uint32 dstpixel;

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225 Uint32 dstR, dstG, dstB, dstA;

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226 int srcy, srcx;

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227 int posy, posx;

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228 int incy, incx;

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229

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230 srcy = 0;

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231 posy = 0;

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232 incy = (info->src_h << 16) / info->dst_h;

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233 incx = (info->src_w << 16) / info->dst_w;

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234

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235 while (info->dst_h--) {

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236 Uint32 *src;

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237 Uint32 *dst = (Uint32 *)info->dst;

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238 int n = info->dst_w;

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239 srcx = -1;

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240 posx = 0x10000L;

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241 while (posy >= 0x10000L) {

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242 ++srcy;

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243 posy -= 0x10000L;

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244 }

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245 while (n--) {

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246 if (posx >= 0x10000L) {

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247 while (posx >= 0x10000L) {

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248 ++srcx;

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249 posx -= 0x10000L;

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250 }

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251 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

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252 }

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253 srcpixel = *src;

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254 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;

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255 dstpixel = *dst;

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256 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

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257 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

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258 /* This goes away if we ever use premultiplied alpha */

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259 if (srcA < 255) {

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260 srcR = (srcR * srcA) / 255;

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261 srcG = (srcG * srcA) / 255;

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262 srcB = (srcB * srcA) / 255;

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263 }

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264 }

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265 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

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266 case SDL_COPY_MASK:

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267 if (srcA) {

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268 dstR = srcR;

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269 dstG = srcG;

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270 dstB = srcB;

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271 }

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272 break;

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273 case SDL_COPY_BLEND:

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274 dstR = srcR + ((255 - srcA) * dstR) / 255;

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275 dstG = srcG + ((255 - srcA) * dstG) / 255;

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276 dstB = srcB + ((255 - srcA) * dstB) / 255;

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277 break;

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278 case SDL_COPY_ADD:

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279 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

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280 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

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281 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

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282 break;

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283 case SDL_COPY_MOD:

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284 dstR = (srcR * dstR) / 255;

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285 dstG = (srcG * dstG) / 255;

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286 dstB = (srcB * dstB) / 255;

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287 break;

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288 }

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289 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

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290 *dst = dstpixel;

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291 posx += incx;

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292 ++dst;

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293 }

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294 posy += incy;

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295 info->dst += info->dst_pitch;

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296 }

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297 }

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298

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299 void SDL_Blit_RGB888_RGB888_Modulate(SDL_BlitInfo *info)

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300 {

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301 const int flags = info->flags;

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302 const Uint32 modulateR = info->r;

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303 const Uint32 modulateG = info->g;

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304 const Uint32 modulateB = info->b;

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305 const Uint32 modulateA = info->a;

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306 Uint32 pixel;

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307 Uint32 R, G, B, A;

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308

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309 while (info->dst_h--) {

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310 Uint32 *src = (Uint32 *)info->src;

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311 Uint32 *dst = (Uint32 *)info->dst;

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312 int n = info->dst_w;

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313 while (n--) {

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314 pixel = *src;

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315 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;

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316 if (flags & SDL_COPY_MODULATE_COLOR) {

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317 R = (R * modulateR) / 255;

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318 G = (G * modulateG) / 255;

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319 B = (B * modulateB) / 255;

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320 }

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321 if (flags & SDL_COPY_MODULATE_ALPHA) {

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322 A = (A * modulateA) / 255;

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323 }

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324 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

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325 *dst = pixel;

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326 ++src;

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327 ++dst;

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328 }

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329 info->src += info->src_pitch;

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330 info->dst += info->dst_pitch;

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331 }

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332 }

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333

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334 void SDL_Blit_RGB888_RGB888_Modulate_Scale(SDL_BlitInfo *info)

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335 {

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336 const int flags = info->flags;

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337 const Uint32 modulateR = info->r;

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338 const Uint32 modulateG = info->g;

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339 const Uint32 modulateB = info->b;

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340 const Uint32 modulateA = info->a;

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341 Uint32 pixel;

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342 Uint32 R, G, B, A;

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343 int srcy, srcx;

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344 int posy, posx;

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345 int incy, incx;

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346

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347 srcy = 0;

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348 posy = 0;

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349 incy = (info->src_h << 16) / info->dst_h;

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350 incx = (info->src_w << 16) / info->dst_w;

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351

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352 while (info->dst_h--) {

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353 Uint32 *src;

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354 Uint32 *dst = (Uint32 *)info->dst;

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355 int n = info->dst_w;

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356 srcx = -1;

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357 posx = 0x10000L;

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358 while (posy >= 0x10000L) {

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359 ++srcy;

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360 posy -= 0x10000L;

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361 }

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362 while (n--) {

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363 if (posx >= 0x10000L) {

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364 while (posx >= 0x10000L) {

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365 ++srcx;

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366 posx -= 0x10000L;

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367 }

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368 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

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369 }

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370 pixel = *src;

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371 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;

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372 if (flags & SDL_COPY_MODULATE_COLOR) {

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373 R = (R * modulateR) / 255;

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374 G = (G * modulateG) / 255;

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375 B = (B * modulateB) / 255;

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376 }

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377 if (flags & SDL_COPY_MODULATE_ALPHA) {

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378 A = (A * modulateA) / 255;

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379 }

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380 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

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381 *dst = pixel;

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382 posx += incx;

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383 ++dst;

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384 }

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385 posy += incy;

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386 info->dst += info->dst_pitch;

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387 }

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388 }

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389

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390 void SDL_Blit_RGB888_RGB888_Modulate_Blend(SDL_BlitInfo *info)

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391 {

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392 const int flags = info->flags;

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393 const Uint32 modulateR = info->r;

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394 const Uint32 modulateG = info->g;

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395 const Uint32 modulateB = info->b;

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396 const Uint32 modulateA = info->a;

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397 Uint32 srcpixel;

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398 Uint32 srcR, srcG, srcB, srcA;

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399 Uint32 dstpixel;

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400 Uint32 dstR, dstG, dstB, dstA;

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diff changeset

401

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402 while (info->dst_h--) {

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403 Uint32 *src = (Uint32 *)info->src;

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404 Uint32 *dst = (Uint32 *)info->dst;

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405 int n = info->dst_w;

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406 while (n--) {

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407 srcpixel = *src;

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408 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;

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409 dstpixel = *dst;

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410 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

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diff changeset

411 if (flags & SDL_COPY_MODULATE_COLOR) {

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412 srcR = (srcR * modulateR) / 255;

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413 srcG = (srcG * modulateG) / 255;

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414 srcB = (srcB * modulateB) / 255;

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415 }

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416 if (flags & SDL_COPY_MODULATE_ALPHA) {

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417 srcA = (srcA * modulateA) / 255;

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418 }

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419 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

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420 /* This goes away if we ever use premultiplied alpha */

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421 if (srcA < 255) {

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422 srcR = (srcR * srcA) / 255;

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423 srcG = (srcG * srcA) / 255;

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424 srcB = (srcB * srcA) / 255;

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425 }

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426 }

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427 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

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diff changeset

428 case SDL_COPY_MASK:

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429 if (srcA) {

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430 dstR = srcR;

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431 dstG = srcG;

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432 dstB = srcB;

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433 }

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diff changeset

434 break;

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435 case SDL_COPY_BLEND:

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diff changeset

436 dstR = srcR + ((255 - srcA) * dstR) / 255;

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diff changeset

437 dstG = srcG + ((255 - srcA) * dstG) / 255;

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438 dstB = srcB + ((255 - srcA) * dstB) / 255;

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diff changeset

439 break;

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440 case SDL_COPY_ADD:

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diff changeset

441 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

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442 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

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443 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

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diff changeset

444 break;

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diff changeset

445 case SDL_COPY_MOD:

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446 dstR = (srcR * dstR) / 255;

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447 dstG = (srcG * dstG) / 255;

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diff changeset

448 dstB = (srcB * dstB) / 255;

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diff changeset

449 break;

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diff changeset

450 }

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diff changeset

451 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

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diff changeset

452 *dst = dstpixel;

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diff changeset

453 ++src;

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454 ++dst;

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diff changeset

455 }

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diff changeset

456 info->src += info->src_pitch;

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diff changeset

457 info->dst += info->dst_pitch;

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diff changeset

458 }

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parents:

diff changeset

459 }

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parents:

diff changeset

460

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diff changeset

461 void SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)

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parents:

diff changeset

462 {

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diff changeset

463 const int flags = info->flags;

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diff changeset

464 const Uint32 modulateR = info->r;

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diff changeset

465 const Uint32 modulateG = info->g;

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diff changeset

466 const Uint32 modulateB = info->b;

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diff changeset

467 const Uint32 modulateA = info->a;

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diff changeset

468 Uint32 srcpixel;

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diff changeset

469 Uint32 srcR, srcG, srcB, srcA;

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diff changeset

470 Uint32 dstpixel;

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parents:

diff changeset

471 Uint32 dstR, dstG, dstB, dstA;

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diff changeset

472 int srcy, srcx;

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diff changeset

473 int posy, posx;

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diff changeset

474 int incy, incx;

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parents:

diff changeset

475

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diff changeset

476 srcy = 0;

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diff changeset

477 posy = 0;

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diff changeset

478 incy = (info->src_h << 16) / info->dst_h;

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diff changeset

479 incx = (info->src_w << 16) / info->dst_w;

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parents:

diff changeset

480

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parents:

diff changeset

481 while (info->dst_h--) {

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diff changeset

482 Uint32 *src;

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diff changeset

483 Uint32 *dst = (Uint32 *)info->dst;

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parents:

diff changeset

484 int n = info->dst_w;

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parents:

diff changeset

485 srcx = -1;

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parents:

diff changeset

486 posx = 0x10000L;

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parents:

diff changeset

487 while (posy >= 0x10000L) {

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parents:

diff changeset

488 ++srcy;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

489 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

490 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

491 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

492 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

493 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

494 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

495 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

496 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

497 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

498 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

499 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

500 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

501 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

502 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

503 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

504 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

505 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

506 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

507 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

508 if (flags & SDL_COPY_MODULATE_ALPHA) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

509 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

510 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

511 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

512 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

513 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

514 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

515 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

516 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

517 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

518 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

519 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

520 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

521 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

522 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

523 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

524 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

525 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

526 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

527 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

528 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

529 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

530 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

531 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

532 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

533 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

534 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

535 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

536 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

537 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

538 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

539 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

540 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

541 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

542 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

543 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

544 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

545 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

546 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

547 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

548 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

549 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

550 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

551 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

552

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

553 void SDL_Blit_RGB888_BGR888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

554 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

555 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

556 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

557 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

558 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

559 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

560 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

561

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

562 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

563 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

564 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

565 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

566

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

567 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

568 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

569 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

570 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

571 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

572 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

573 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

574 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

575 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

576 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

577 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

578 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

579 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

580 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

581 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

582 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

583 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

584 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

585 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

586 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

587 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

588 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

589 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

590 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

591 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

592 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

593 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

594 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

595 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

596

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

597 void SDL_Blit_RGB888_BGR888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

598 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

599 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

600 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

601 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

602 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

603 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

604

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

605 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

606 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

607 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

608 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

609 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

610 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

611 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

612 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

613 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

614 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

615 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

616 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

617 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

618 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

619 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

620 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

621 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

622 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

623 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

624 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

625 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

626 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

627 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

628 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

629 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

630 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

631 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

632 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

633 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

634 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

635 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

636 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

637 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

638 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

639 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

640 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

641 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

642 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

643 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

644 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

645 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

646 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

647 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

648 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

649 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

650 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

651 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

652 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

653 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

654 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

655

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

656 void SDL_Blit_RGB888_BGR888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

657 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

658 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

659 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

660 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

661 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

662 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

663 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

664 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

665 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

666

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

667 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

668 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

669 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

670 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

671

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

672 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

673 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

674 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

675 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

676 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

677 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

678 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

679 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

680 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

681 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

682 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

683 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

684 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

685 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

686 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

687 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

688 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

689 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

690 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

691 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

692 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

693 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

694 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

695 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

696 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

697 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

698 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

699 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

700 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

701 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

702 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

703 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

704 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

705 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

706 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

707 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

708 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

709 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

710 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

711 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

712 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

713 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

714 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

715 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

716 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

717 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

718 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

719 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

720 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

721 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

722 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

723 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

724 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

725 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

726 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

727 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

728 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

729 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

730 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

731 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

732 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

733 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

734 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

735

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

736 void SDL_Blit_RGB888_BGR888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

737 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

738 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

739 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

740 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

741 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

742 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

743 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

744 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

745

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

746 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

747 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

748 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

749 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

750 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

751 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

752 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

753 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

754 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

755 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

756 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

757 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

758 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

759 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

760 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

761 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

762 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

763 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

764 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

765 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

766 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

767 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

768 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

769 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

770

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

771 void SDL_Blit_RGB888_BGR888_Modulate_Scale(SDL_BlitInfo *info)

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

772 {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

773 const int flags = info->flags;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

774 const Uint32 modulateR = info->r;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

775 const Uint32 modulateG = info->g;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

776 const Uint32 modulateB = info->b;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

777 const Uint32 modulateA = info->a;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

778 Uint32 pixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

779 Uint32 R, G, B, A;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

780 int srcy, srcx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

781 int posy, posx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

782 int incy, incx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

783

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

784 srcy = 0;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

785 posy = 0;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

786 incy = (info->src_h << 16) / info->dst_h;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

787 incx = (info->src_w << 16) / info->dst_w;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

788

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

789 while (info->dst_h--) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

790 Uint32 *src;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

791 Uint32 *dst = (Uint32 *)info->dst;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

792 int n = info->dst_w;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

793 srcx = -1;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

794 posx = 0x10000L;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

795 while (posy >= 0x10000L) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

796 ++srcy;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

797 posy -= 0x10000L;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

798 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

799 while (n--) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

800 if (posx >= 0x10000L) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

801 while (posx >= 0x10000L) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

802 ++srcx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

803 posx -= 0x10000L;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

804 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

805 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

806 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

807 pixel = *src;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

808 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

809 if (flags & SDL_COPY_MODULATE_COLOR) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

810 R = (R * modulateR) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

811 G = (G * modulateG) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

812 B = (B * modulateB) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

813 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

814 if (flags & SDL_COPY_MODULATE_ALPHA) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

815 A = (A * modulateA) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

816 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

817 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

818 *dst = pixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

819 posx += incx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

820 ++dst;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

821 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

822 posy += incy;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

823 info->dst += info->dst_pitch;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

824 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

825 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

826

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

827 void SDL_Blit_RGB888_BGR888_Modulate_Blend(SDL_BlitInfo *info)

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

828 {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

829 const int flags = info->flags;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

830 const Uint32 modulateR = info->r;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

831 const Uint32 modulateG = info->g;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

832 const Uint32 modulateB = info->b;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

833 const Uint32 modulateA = info->a;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

834 Uint32 srcpixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

835 Uint32 srcR, srcG, srcB, srcA;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

836 Uint32 dstpixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

837 Uint32 dstR, dstG, dstB, dstA;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

838

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

839 while (info->dst_h--) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

840 Uint32 *src = (Uint32 *)info->src;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

841 Uint32 *dst = (Uint32 *)info->dst;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

842 int n = info->dst_w;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

843 while (n--) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

844 srcpixel = *src;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

845 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

846 dstpixel = *dst;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

847 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

848 if (flags & SDL_COPY_MODULATE_COLOR) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

849 srcR = (srcR * modulateR) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

850 srcG = (srcG * modulateG) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

851 srcB = (srcB * modulateB) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

852 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

853 if (flags & SDL_COPY_MODULATE_ALPHA) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

854 srcA = (srcA * modulateA) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

855 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

856 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

857 /* This goes away if we ever use premultiplied alpha */

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

858 if (srcA < 255) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

859 srcR = (srcR * srcA) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

860 srcG = (srcG * srcA) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

861 srcB = (srcB * srcA) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

862 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

863 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

864 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

865 case SDL_COPY_MASK:

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

866 if (srcA) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

867 dstR = srcR;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

868 dstG = srcG;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

869 dstB = srcB;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

870 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

871 break;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

872 case SDL_COPY_BLEND:

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

873 dstR = srcR + ((255 - srcA) * dstR) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

874 dstG = srcG + ((255 - srcA) * dstG) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

875 dstB = srcB + ((255 - srcA) * dstB) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

876 break;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

877 case SDL_COPY_ADD:

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

878 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

879 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

880 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

881 break;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

882 case SDL_COPY_MOD:

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

883 dstR = (srcR * dstR) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

884 dstG = (srcG * dstG) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

885 dstB = (srcB * dstB) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

886 break;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

887 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

888 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

889 *dst = dstpixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

890 ++src;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

891 ++dst;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

892 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

893 info->src += info->src_pitch;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

894 info->dst += info->dst_pitch;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

895 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

896 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

897

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

898 void SDL_Blit_RGB888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

899 {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

900 const int flags = info->flags;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

901 const Uint32 modulateR = info->r;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

902 const Uint32 modulateG = info->g;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

903 const Uint32 modulateB = info->b;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

904 const Uint32 modulateA = info->a;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

905 Uint32 srcpixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

906 Uint32 srcR, srcG, srcB, srcA;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

907 Uint32 dstpixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

908 Uint32 dstR, dstG, dstB, dstA;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

909 int srcy, srcx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

910 int posy, posx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

911 int incy, incx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

912

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

913 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

914 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

915 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

916 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

917

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

918 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

919 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

920 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

921 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

922 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

923 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

924 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

925 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

926 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

927 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

928 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

929 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

930 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

931 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

932 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

933 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

934 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

935 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

936 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

937 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

938 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

939 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

940 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

941 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

942 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

943 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

944 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

945 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

946 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

947 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

948 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

949 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

950 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

951 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

952 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

953 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

954 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

955 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

956 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

957 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

958 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

959 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

960 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

961 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

962 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

963 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

964 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

965 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

966 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

967 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

968 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

969 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

970 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

971 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

972 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

973 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

974 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

975 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

976 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

977 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

978 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

979 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

980 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

981 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

982 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

983 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

984 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

985 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

986 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

987 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

988 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

989

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

990 void SDL_Blit_BGR888_RGB888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

991 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

992 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

993 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

994 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

995 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

996 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

997 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

998

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

999 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1000 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1001 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1002 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1003

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1004 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1005 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1006 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1007 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1008 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1009 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1010 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1011 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1012 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1013 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1014 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1015 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1016 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1017 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1018 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1019 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1020 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1021 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1022 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1023 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1024 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1025 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1026 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1027 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1028 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1029 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1030 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1031 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1032 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1033

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1034 void SDL_Blit_BGR888_RGB888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1035 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1036 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1037 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1038 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1039 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1040 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1041

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1042 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1043 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1044 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1045 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1046 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1047 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1048 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1049 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1050 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1051 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1052 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1053 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1054 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1055 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1056 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1057 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1058 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1059 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1060 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1061 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1062 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1063 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1064 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1065 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1066 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1067 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1068 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1069 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1070 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1071 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1072 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1073 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1074 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1075 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1076 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1077 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1078 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1079 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1080 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1081 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1082 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1083 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1084 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1085 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1086 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1087 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1088 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1089 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1090 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1091 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1092

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1093 void SDL_Blit_BGR888_RGB888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1094 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1095 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1096 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1097 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1098 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1099 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1100 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1101 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1102 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1103

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1104 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1105 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1106 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1107 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1108

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1109 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1110 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1111 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1112 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1113 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1114 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1115 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1116 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1117 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1118 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1119 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1120 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1121 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1122 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1123 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1124 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1125 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1126 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1127 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1128 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1129 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1130 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1131 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1132 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1133 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1134 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1135 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1136 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1137 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1138 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1139 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1140 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1141 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1142 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1143 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1144 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1145 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1146 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1147 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1148 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1149 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1150 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1151 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1152 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1153 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1154 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1155 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1156 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1157 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1158 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1159 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1160 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1161 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1162 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1163 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1164 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1165 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1166 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1167 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1168 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1169 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1170 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1171 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1172

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1173 void SDL_Blit_BGR888_RGB888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1174 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1175 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1176 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1177 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1178 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1179 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1180 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1181 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1182

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1183 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1184 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1185 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1186 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1187 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1188 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1189 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1190 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1191 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1192 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1193 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1194 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1195 if (flags & SDL_COPY_MODULATE_ALPHA) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1196 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1197 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1198 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1199 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1200 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1201 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1202 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1203 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1204 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1205 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1206 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1207

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1208 void SDL_Blit_BGR888_RGB888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1209 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1210 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1211 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1212 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1213 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1214 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1215 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1216 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1217 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1218 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1219 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1220

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1221 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1222 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1223 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1224 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1225

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1226 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1227 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1228 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1229 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1230 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1231 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1232 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1233 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1234 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1235 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1236 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1237 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1238 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1239 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1240 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1241 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1242 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1243 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1244 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1245 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1246 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1247 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1248 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1249 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1250 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1251 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1252 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1253 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1254 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1255 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1256 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1257 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1258 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1259 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1260 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1261 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1262 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1263

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1264 void SDL_Blit_BGR888_RGB888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1265 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1266 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1267 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1268 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1269 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1270 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1271 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1272 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1273 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1274 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1275

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1276 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1277 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1278 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1279 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1280 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1281 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1282 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1283 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1284 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1285 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1286 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1287 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1288 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1289 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1290 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1291 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1292 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1293 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1294 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1295 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1296 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1297 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1298 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1299 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1300 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1301 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1302 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1303 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1304 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1305 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1306 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1307 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1308 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1309 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1310 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1311 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1312 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1313 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1314 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1315 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1316 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1317 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1318 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1319 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1320 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1321 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1322 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1323 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1324 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1325 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1326 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1327 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1328 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1329 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1330 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1331 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1332 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1333 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1334

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1335 void SDL_Blit_BGR888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1336 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1337 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1338 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1339 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1340 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1341 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1342 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1343 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1344 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1345 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1346 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1347 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1348 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1349

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1350 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1351 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1352 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1353 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1354

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1355 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1356 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1357 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1358 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1359 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1360 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1361 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1362 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1363 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1364 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1365 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1366 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1367 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1368 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1369 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1370 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1371 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1372 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1373 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1374 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1375 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1376 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1377 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1378 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1379 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1380 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1381 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1382 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1383 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1384 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1385 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1386 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1387 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1388 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1389 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1390 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1391 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1392 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1393 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1394 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1395 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1396 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1397 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1398 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1399 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1400 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1401 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1402 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1403 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1404 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1405 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1406 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1407 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1408 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1409 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1410 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1411 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1412 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1413 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1414 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1415 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1416 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1417 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1418 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1419 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1420 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1421 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1422 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1423 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1424 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1425 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1426

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1427 void SDL_Blit_BGR888_BGR888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1428 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1429 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1430 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1431 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1432 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1433

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1434 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1435 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1436 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1437 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1438

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1439 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1440 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1441 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1442 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1443 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1444 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1445 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1446 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1447 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1448 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1449 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1450 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1451 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1452 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1453 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1454 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1455 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1456 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1457 *dst = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1458 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1459 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1460 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1461 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1462 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1463 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1464 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1465

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1466 void SDL_Blit_BGR888_BGR888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1467 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1468 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1469 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1470 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1471 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1472 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1473

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1474 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1475 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1476 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1477 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1478 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1479 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1480 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1481 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1482 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1483 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1484 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1485 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1486 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1487 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1488 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1489 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1490 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1491 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1492 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1493 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1494 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1495 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1496 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1497 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1498 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1499 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1500 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1501 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1502 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1503 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1504 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1505 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1506 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1507 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1508 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1509 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1510 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1511 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1512 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1513 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1514 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1515 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1516 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1517 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1518 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1519 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1520 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1521 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1522 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1523 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1524

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1525 void SDL_Blit_BGR888_BGR888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1526 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1527 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1528 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1529 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1530 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1531 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1532 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1533 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1534 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1535

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1536 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1537 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1538 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1539 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1540

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1541 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1542 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1543 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1544 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1545 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1546 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1547 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1548 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1549 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1550 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1551 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1552 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1553 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1554 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1555 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1556 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1557 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1558 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1559 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1560 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1561 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1562 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1563 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1564 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1565 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1566 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1567 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1568 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1569 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1570 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1571 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1572 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1573 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1574 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1575 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1576 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1577 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1578 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1579 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1580 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1581 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1582 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1583 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1584 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1585 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1586 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1587 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1588 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1589 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1590 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1591 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1592 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1593 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1594 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1595 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1596 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1597 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1598 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1599 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1600 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1601 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1602 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1603 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1604

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1605 void SDL_Blit_BGR888_BGR888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1606 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1607 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1608 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1609 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1610 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1611 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1612 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1613 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1614

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1615 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1616 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1617 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1618 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1619 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1620 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1621 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1622 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1623 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1624 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1625 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1626 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1627 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1628 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1629 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1630 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1631 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1632 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1633 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1634 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1635 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1636 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1637 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1638 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1639

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1640 void SDL_Blit_BGR888_BGR888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1641 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1642 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1643 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1644 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1645 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1646 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1647 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1648 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1649 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1650 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1651 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1652

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1653 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1654 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1655 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1656 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1657

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1658 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1659 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1660 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1661 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1662 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1663 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1664 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1665 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1666 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1667 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1668 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1669 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1670 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1671 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1672 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1673 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1674 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1675 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1676 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1677 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1678 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1679 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1680 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1681 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1682 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1683 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1684 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1685 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1686 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1687 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1688 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1689 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1690 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1691 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1692 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1693 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1694 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1695

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1696 void SDL_Blit_BGR888_BGR888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1697 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1698 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1699 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1700 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1701 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1702 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1703 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1704 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1705 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1706 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1707

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1708 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1709 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1710 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1711 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1712 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1713 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1714 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1715 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1716 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1717 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1718 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1719 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1720 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1721 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1722 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1723 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1724 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1725 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1726 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1727 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1728 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1729 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1730 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1731 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1732 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1733 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1734 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1735 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1736 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1737 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1738 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1739 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1740 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1741 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1742 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1743 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1744 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1745 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1746 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1747 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1748 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1749 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1750 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1751 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1752 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1753 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1754 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1755 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1756 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1757 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1758 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1759 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1760 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1761 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1762 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1763 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1764 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1765 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1766

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1767 void SDL_Blit_BGR888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1768 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1769 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1770 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1771 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1772 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1773 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1774 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1775 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1776 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1777 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1778 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1779 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1780 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1781

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1782 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1783 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1784 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1785 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1786

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1787 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1788 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1789 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1790 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1791 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1792 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1793 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1794 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1795 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1796 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1797 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1798 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1799 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1800 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1801 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1802 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1803 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1804 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1805 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1806 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1807 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1808 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1809 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1810 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1811 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1812 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1813 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1814 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1815 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1816 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1817 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1818 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1819 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1820 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1821 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1822 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1823 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1824 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1825 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1826 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1827 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1828 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1829 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1830 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1831 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1832 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1833 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1834 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1835 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1836 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1837 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1838 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1839 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1840 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1841 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1842 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1843 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1844 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1845 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1846 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1847 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1848 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1849 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1850 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1851 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1852 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1853 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1854 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1855 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1856 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1857 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1858

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1859 void SDL_Blit_ARGB8888_RGB888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1860 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1861 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1862 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1863 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1864 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1865 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1866 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1867

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1868 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1869 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1870 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1871 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1872

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1873 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1874 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1875 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1876 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1877 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1878 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1879 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1880 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1881 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1882 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1883 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1884 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1885 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1886 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1887 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1888 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1889 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1890 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1891 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1892 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1893 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1894 *dst = pixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1895 posx += incx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1896 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1897 }

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1898 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1899 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1900 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1901 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1902

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1903 void SDL_Blit_ARGB8888_RGB888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1904 {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1905 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1906 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1907 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1908 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1909 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1910

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1911 while (info->dst_h--) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1912 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1913 Uint32 *dst = (Uint32 *)info->dst;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1914 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1915 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1916 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1917 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1918 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1919 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1920 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1921 /* This goes away if we ever use premultiplied alpha */

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1922 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1923 srcR = (srcR * srcA) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1924 srcG = (srcG * srcA) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1925 srcB = (srcB * srcA) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1926 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1927 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1928 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1929 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1930 if (srcA) {

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1931 dstR = srcR;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1932 dstG = srcG;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1933 dstB = srcB;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1934 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1935 break;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1936 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1937 dstR = srcR + ((255 - srcA) * dstR) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1938 dstG = srcG + ((255 - srcA) * dstG) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1939 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1940 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1941 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1942 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1943 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1944 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1945 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1946 case SDL_COPY_MOD:

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1947 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1948 dstG = (srcG * dstG) / 255;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1949 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1950 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1951 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1952 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1953 *dst = dstpixel;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1954 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1955 ++dst;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1956 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1957 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1958 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1959 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1960 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1961

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1962 void SDL_Blit_ARGB8888_RGB888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1963 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1964 const int flags = info->flags;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1965 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1966 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1967 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1968 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1969 int srcy, srcx;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1970 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1971 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1972

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1973 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1974 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1975 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1976 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1977

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1978 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1979 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1980 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1981 int n = info->dst_w;

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Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1982 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1983 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1984 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1985 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1986 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1987 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1988 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1989 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1990 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1991 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1992 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1993 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1994 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1995 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1996 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1997 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1998 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

1999 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2000 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2001 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2002 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2003 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2004 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2005 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2006 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2007 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2008 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2009 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2010 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2011 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2012 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2013 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2014 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2015 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2016 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2017 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2018 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2019 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2020 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2021 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2022 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2023 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2024 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2025 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2026 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2027 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2028 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2029 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2030 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2031 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2032 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2033 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2034 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2035 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2036 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2037 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2038 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2039 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2040 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2041

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2042 void SDL_Blit_ARGB8888_RGB888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2043 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2044 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2045 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2046 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2047 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2048 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2049 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2050 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2051

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2052 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2053 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2054 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2055 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2056 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2057 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2058 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2059 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2060 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2061 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2062 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2063 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2064 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2065 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2066 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2067 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2068 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2069 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2070 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2071 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2072 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2073 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2074 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2075 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2076

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2077 void SDL_Blit_ARGB8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2078 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2079 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2080 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2081 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2082 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2083 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2084 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2085 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2086 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2087 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2088 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2089

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2090 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2091 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2092 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2093 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2094

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2095 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2096 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2097 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2098 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2099 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2100 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2101 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2102 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2103 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2104 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2105 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2106 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2107 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2108 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2109 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2110 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2111 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2112 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2113 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2114 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2115 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2116 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2117 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2118 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2119 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2120 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2121 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2122 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2123 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2124 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2125 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2126 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2127 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2128 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2129 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2130 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2131 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2132

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2133 void SDL_Blit_ARGB8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2134 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2135 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2136 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2137 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2138 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2139 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2140 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2141 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2142 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2143 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2144

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2145 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2146 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2147 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2148 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2149 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2150 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2151 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2152 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2153 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2154 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2155 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2156 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2157 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2158 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2159 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2160 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2161 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2162 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2163 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2164 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2165 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2166 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2167 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2168 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2169 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2170 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2171 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2172 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2173 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2174 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2175 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2176 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2177 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2178 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2179 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2180 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2181 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2182 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2183 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2184 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2185 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2186 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2187 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2188 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2189 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2190 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2191 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2192 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2193 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2194 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2195 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2196 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2197 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2198 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2199 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2200 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2201 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2202 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2203

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2204 void SDL_Blit_ARGB8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2205 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2206 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2207 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2208 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2209 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2210 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2211 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2212 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2213 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2214 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2215 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2216 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2217 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2218

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2219 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2220 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2221 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2222 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2223

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2224 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2225 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2226 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2227 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2228 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2229 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2230 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2231 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2232 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2233 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2234 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2235 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2236 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2237 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2238 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2239 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2240 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2241 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2242 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2243 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2244 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2245 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2246 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2247 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2248 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2249 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2250 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2251 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2252 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2253 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2254 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2255 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2256 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2257 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2258 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2259 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2260 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2261 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2262 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2263 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2264 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2265 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2266 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2267 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2268 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2269 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2270 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2271 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2272 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2273 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2274 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2275 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2276 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2277 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2278 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2279 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2280 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2281 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2282 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2283 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2284 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2285 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2286 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2287 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2288 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2289 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2290 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2291 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2292 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2293 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2294 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2295

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2296 void SDL_Blit_ARGB8888_BGR888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2297 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2298 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2299 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2300 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2301 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2302 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2303 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2304

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2305 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2306 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2307 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2308 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2309

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2310 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2311 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2312 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2313 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2314 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2315 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2316 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2317 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2318 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2319 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2320 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2321 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2322 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2323 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2324 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2325 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2326 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2327 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2328 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2329 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2330 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2331 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2332 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2333 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2334 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2335 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2336 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2337 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2338 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2339

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2340 void SDL_Blit_ARGB8888_BGR888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2341 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2342 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2343 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2344 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2345 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2346 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2347

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2348 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2349 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2350 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2351 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2352 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2353 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2354 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2355 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2356 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2357 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2358 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2359 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2360 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2361 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2362 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2363 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2364 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2365 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2366 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2367 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2368 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2369 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2370 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2371 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2372 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2373 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2374 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2375 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2376 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2377 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2378 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2379 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2380 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2381 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2382 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2383 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2384 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2385 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2386 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2387 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2388 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2389 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2390 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2391 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2392 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2393 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2394 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2395 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2396 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2397 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2398

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2399 void SDL_Blit_ARGB8888_BGR888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2400 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2401 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2402 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2403 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2404 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2405 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2406 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2407 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2408 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2409

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2410 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2411 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2412 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2413 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2414

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2415 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2416 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2417 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2418 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2419 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2420 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2421 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2422 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2423 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2424 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2425 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2426 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2427 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2428 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2429 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2430 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2431 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2432 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2433 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2434 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2435 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2436 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2437 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2438 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2439 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2440 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2441 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2442 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2443 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2444 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2445 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2446 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2447 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2448 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2449 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2450 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2451 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2452 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2453 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2454 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2455 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2456 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2457 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2458 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2459 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2460 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2461 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2462 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2463 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2464 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2465 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2466 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2467 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2468 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2469 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2470 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2471 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2472 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2473 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2474 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2475 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2476 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2477 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2478

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2479 void SDL_Blit_ARGB8888_BGR888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2480 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2481 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2482 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2483 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2484 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2485 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2486 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2487 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2488

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2489 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2490 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2491 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2492 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2493 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2494 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2495 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2496 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2497 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2498 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2499 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2500 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2501 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2502 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2503 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2504 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2505 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2506 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2507 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2508 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2509 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2510 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2511 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2512 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2513

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2514 void SDL_Blit_ARGB8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2515 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2516 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2517 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2518 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2519 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2520 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2521 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2522 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2523 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2524 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2525 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2526

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2527 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2528 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2529 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2530 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2531

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2532 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2533 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2534 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2535 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2536 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2537 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2538 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2539 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2540 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2541 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2542 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2543 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2544 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2545 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2546 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2547 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2548 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2549 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2550 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2551 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2552 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2553 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2554 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2555 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2556 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2557 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2558 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2559 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2560 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2561 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2562 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2563 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2564 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2565 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2566 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2567 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2568 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2569

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2570 void SDL_Blit_ARGB8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2571 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2572 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2573 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2574 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2575 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2576 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2577 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2578 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2579 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2580 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2581

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2582 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2583 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2584 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2585 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2586 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2587 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2588 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2589 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2590 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2591 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2592 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2593 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2594 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2595 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2596 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2597 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2598 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2599 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2600 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2601 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2602 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2603 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2604 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2605 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2606 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2607 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2608 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2609 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2610 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2611 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2612 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2613 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2614 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2615 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2616 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2617 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2618 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2619 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2620 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2621 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2622 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2623 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2624 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2625 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2626 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2627 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2628 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2629 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2630 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2631 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2632 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2633 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2634 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2635 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2636 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2637 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2638 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2639 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2640

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2641 void SDL_Blit_ARGB8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2642 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2643 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2644 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2645 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2646 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2647 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2648 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2649 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2650 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2651 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2652 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2653 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2654 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2655

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2656 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2657 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2658 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2659 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2660

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2661 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2662 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2663 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2664 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2665 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2666 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2667 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2668 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2669 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2670 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2671 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2672 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2673 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2674 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2675 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2676 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2677 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2678 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2679 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2680 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2681 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2682 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2683 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2684 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2685 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2686 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2687 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2688 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2689 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2690 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2691 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2692 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2693 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2694 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2695 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2696 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2697 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2698 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2699 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2700 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2701 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2702 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2703 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2704 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2705 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2706 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2707 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2708 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2709 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2710 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2711 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2712 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2713 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2714 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2715 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2716 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2717 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2718 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2719 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2720 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2721 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2722 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2723 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2724 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2725 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2726 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2727 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2728 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2729 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2730 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2731 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2732

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2733 void SDL_Blit_RGBA8888_RGB888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2734 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2735 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2736 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2737 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2738 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2739 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2740 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2741

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2742 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2743 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2744 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2745 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2746

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2747 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2748 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2749 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2750 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2751 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2752 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2753 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2754 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2755 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2756 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2757 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2758 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2759 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2760 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2761 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2762 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2763 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2764 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2765 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2766 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2767 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2768 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2769 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2770 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2771 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2772 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2773 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2774 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2775 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2776

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2777 void SDL_Blit_RGBA8888_RGB888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2778 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2779 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2780 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2781 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2782 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2783 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2784

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2785 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2786 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2787 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2788 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2789 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2790 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2791 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2792 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2793 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2794 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2795 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2796 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2797 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2798 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2799 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2800 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2801 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2802 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2803 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2804 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2805 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2806 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2807 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2808 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2809 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2810 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2811 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2812 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2813 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2814 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2815 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2816 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2817 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2818 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2819 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2820 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2821 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2822 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2823 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2824 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2825 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2826 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2827 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2828 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2829 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2830 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2831 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2832 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2833 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2834 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2835

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2836 void SDL_Blit_RGBA8888_RGB888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2837 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2838 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2839 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2840 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2841 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2842 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2843 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2844 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2845 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2846

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2847 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2848 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2849 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2850 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2851

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2852 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2853 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2854 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2855 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2856 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2857 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2858 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2859 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2860 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2861 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2862 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2863 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2864 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2865 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2866 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2867 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2868 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2869 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2870 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2871 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2872 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2873 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2874 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2875 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2876 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2877 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2878 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2879 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2880 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2881 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2882 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2883 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2884 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2885 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2886 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2887 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2888 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2889 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2890 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2891 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2892 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2893 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2894 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2895 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2896 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2897 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2898 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2899 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2900 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2901 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2902 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2903 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2904 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2905 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2906 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2907 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2908 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2909 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2910 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2911 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2912 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2913 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2914 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2915

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2916 void SDL_Blit_RGBA8888_RGB888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2917 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2918 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2919 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2920 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2921 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2922 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2923 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2924 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2925

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2926 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2927 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2928 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2929 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2930 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2931 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2932 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2933 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2934 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2935 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2936 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2937 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2938 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2939 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2940 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2941 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2942 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2943 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2944 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2945 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2946 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2947 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2948 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2949 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2950

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2951 void SDL_Blit_RGBA8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2952 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2953 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2954 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2955 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2956 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2957 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2958 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2959 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2960 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2961 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2962 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2963

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2964 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2965 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2966 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2967 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2968

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2969 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2970 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2971 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2972 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2973 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2974 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2975 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2976 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2977 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2978 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2979 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2980 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2981 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2982 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2983 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2984 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2985 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2986 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2987 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2988 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2989 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2990 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2991 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2992 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2993 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2994 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2995 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2996 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2997 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2998 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

2999 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3000 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3001 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3002 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3003 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3004 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3005 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3006

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3007 void SDL_Blit_RGBA8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3008 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3009 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3010 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3011 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3012 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3013 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3014 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3015 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3016 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3017 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3018

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3019 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3020 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3021 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3022 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3023 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3024 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3025 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3026 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3027 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3028 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3029 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3030 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3031 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3032 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3033 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3034 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3035 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3036 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3037 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3038 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3039 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3040 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3041 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3042 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3043 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3044 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3045 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3046 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3047 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3048 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3049 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3050 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3051 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3052 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3053 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3054 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3055 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3056 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3057 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3058 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3059 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3060 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3061 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3062 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3063 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3064 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3065 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3066 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3067 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3068 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3069 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3070 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3071 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3072 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3073 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3074 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3075 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3076 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3077

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3078 void SDL_Blit_RGBA8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3079 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3080 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3081 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3082 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3083 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3084 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3085 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3086 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3087 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3088 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3089 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3090 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3091 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3092

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3093 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3094 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3095 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3096 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3097

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3098 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3099 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3100 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3101 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3102 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3103 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3104 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3105 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3106 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3107 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3108 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3109 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3110 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3111 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3112 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3113 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3114 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3115 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3116 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3117 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3118 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3119 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3120 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3121 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3122 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3123 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3124 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3125 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3126 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3127 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3128 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3129 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3130 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3131 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3132 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3133 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3134 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3135 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3136 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3137 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3138 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3139 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3140 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3141 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3142 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3143 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3144 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3145 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3146 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3147 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3148 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3149 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3150 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3151 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3152 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3153 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3154 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3155 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3156 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3157 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3158 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3159 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3160 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3161 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3162 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3163 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3164 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3165 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3166 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3167 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3168 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3169

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3170 void SDL_Blit_RGBA8888_BGR888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3171 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3172 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3173 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3174 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3175 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3176 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3177 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3178

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3179 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3180 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3181 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3182 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3183

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3184 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3185 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3186 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3187 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3188 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3189 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3190 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3191 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3192 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3193 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3194 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3195 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3196 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3197 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3198 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3199 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3200 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3201 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3202 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3203 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3204 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3205 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3206 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3207 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3208 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3209 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3210 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3211 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3212 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3213

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3214 void SDL_Blit_RGBA8888_BGR888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3215 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3216 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3217 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3218 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3219 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3220 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3221

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3222 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3223 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3224 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3225 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3226 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3227 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3228 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3229 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3230 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3231 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3232 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3233 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3234 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3235 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3236 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3237 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3238 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3239 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3240 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3241 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3242 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3243 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3244 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3245 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3246 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3247 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3248 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3249 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3250 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3251 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3252 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3253 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3254 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3255 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3256 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3257 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3258 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3259 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3260 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3261 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3262 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3263 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3264 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3265 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3266 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3267 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3268 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3269 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3270 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3271 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3272

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3273 void SDL_Blit_RGBA8888_BGR888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3274 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3275 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3276 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3277 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3278 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3279 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3280 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3281 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3282 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3283

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3284 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3285 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3286 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3287 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3288

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3289 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3290 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3291 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3292 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3293 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3294 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3295 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3296 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3297 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3298 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3299 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3300 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3301 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3302 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3303 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3304 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3305 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3306 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3307 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3308 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3309 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3310 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3311 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3312 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3313 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3314 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3315 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3316 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3317 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3318 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3319 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3320 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3321 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3322 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3323 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3324 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3325 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3326 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3327 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3328 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3329 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3330 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3331 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3332 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3333 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3334 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3335 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3336 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3337 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3338 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3339 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3340 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3341 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3342 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3343 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3344 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3345 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3346 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3347 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3348 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3349 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3350 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3351 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3352

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3353 void SDL_Blit_RGBA8888_BGR888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3354 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3355 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3356 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3357 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3358 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3359 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3360 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3361 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3362

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3363 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3364 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3365 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3366 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3367 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3368 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3369 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3370 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3371 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3372 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3373 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3374 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3375 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3376 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3377 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3378 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3379 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3380 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3381 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3382 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3383 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3384 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3385 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3386 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3387

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3388 void SDL_Blit_RGBA8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3389 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3390 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3391 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3392 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3393 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3394 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3395 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3396 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3397 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3398 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3399 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3400

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3401 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3402 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3403 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3404 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3405

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3406 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3407 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3408 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3409 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3410 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3411 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3412 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3413 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3414 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3415 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3416 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3417 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3418 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3419 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3420 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3421 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3422 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3423 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3424 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3425 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3426 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3427 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3428 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3429 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3430 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3431 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3432 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3433 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3434 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3435 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3436 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3437 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3438 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3439 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3440 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3441 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3442 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3443

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3444 void SDL_Blit_RGBA8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3445 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3446 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3447 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3448 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3449 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3450 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3451 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3452 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3453 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3454 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3455

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3456 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3457 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3458 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3459 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3460 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3461 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3462 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3463 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3464 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3465 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3466 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3467 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3468 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3469 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3470 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3471 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3472 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3473 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3474 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3475 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3476 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3477 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3478 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3479 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3480 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3481 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3482 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3483 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3484 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3485 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3486 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3487 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3488 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3489 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3490 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3491 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3492 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3493 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3494 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3495 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3496 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3497 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3498 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3499 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3500 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3501 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3502 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3503 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3504 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3505 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3506 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3507 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3508 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3509 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3510 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3511 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3512 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3513 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3514

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3515 void SDL_Blit_RGBA8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3516 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3517 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3518 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3519 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3520 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3521 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3522 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3523 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3524 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3525 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3526 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3527 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3528 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3529

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3530 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3531 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3532 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3533 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3534

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3535 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3536 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3537 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3538 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3539 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3540 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3541 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3542 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3543 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3544 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3545 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3546 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3547 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3548 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3549 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3550 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3551 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3552 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3553 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3554 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3555 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3556 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3557 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3558 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3559 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3560 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3561 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3562 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3563 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3564 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3565 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3566 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3567 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3568 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3569 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3570 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3571 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3572 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3573 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3574 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3575 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3576 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3577 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3578 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3579 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3580 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3581 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3582 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3583 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3584 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3585 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3586 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3587 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3588 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3589 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3590 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3591 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3592 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3593 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3594 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3595 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3596 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3597 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3598 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3599 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3600 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3601 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3602 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3603 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3604 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3605 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3606

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3607 void SDL_Blit_ABGR8888_RGB888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3608 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3609 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3610 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3611 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3612 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3613 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3614 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3615

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3616 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3617 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3618 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3619 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3620

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3621 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3622 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3623 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3624 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3625 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3626 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3627 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3628 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3629 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3630 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3631 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3632 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3633 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3634 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3635 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3636 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3637 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3638 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3639 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3640 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3641 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3642 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3643 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3644 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3645 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3646 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3647 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3648 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3649 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3650

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3651 void SDL_Blit_ABGR8888_RGB888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3652 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3653 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3654 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3655 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3656 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3657 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3658

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3659 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3660 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3661 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3662 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3663 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3664 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3665 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3666 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3667 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3668 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3669 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3670 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3671 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3672 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3673 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3674 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3675 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3676 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3677 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3678 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3679 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3680 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3681 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3682 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3683 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3684 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3685 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3686 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3687 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3688 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3689 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3690 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3691 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3692 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3693 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3694 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3695 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3696 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3697 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3698 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3699 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3700 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3701 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3702 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3703 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3704 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3705 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3706 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3707 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3708 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3709

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3710 void SDL_Blit_ABGR8888_RGB888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3711 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3712 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3713 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3714 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3715 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3716 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3717 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3718 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3719 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3720

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3721 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3722 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3723 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3724 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3725

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3726 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3727 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3728 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3729 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3730 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3731 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3732 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3733 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3734 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3735 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3736 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3737 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3738 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3739 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3740 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3741 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3742 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3743 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3744 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3745 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3746 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3747 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3748 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3749 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3750 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3751 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3752 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3753 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3754 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3755 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3756 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3757 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3758 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3759 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3760 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3761 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3762 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3763 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3764 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3765 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3766 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3767 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3768 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3769 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3770 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3771 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3772 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3773 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3774 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3775 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3776 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3777 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3778 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3779 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3780 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3781 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3782 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3783 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3784 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3785 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3786 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3787 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3788 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3789

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3790 void SDL_Blit_ABGR8888_RGB888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3791 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3792 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3793 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3794 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3795 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3796 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3797 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3798 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3799

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3800 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3801 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3802 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3803 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3804 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3805 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3806 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3807 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3808 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3809 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3810 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3811 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3812 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3813 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3814 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3815 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3816 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3817 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3818 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3819 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3820 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3821 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3822 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3823 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3824

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3825 void SDL_Blit_ABGR8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3826 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3827 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3828 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3829 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3830 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3831 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3832 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3833 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3834 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3835 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3836 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3837

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3838 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3839 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3840 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3841 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3842

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3843 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3844 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3845 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3846 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3847 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3848 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3849 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3850 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3851 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3852 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3853 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3854 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3855 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3856 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3857 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3858 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3859 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3860 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3861 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3862 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3863 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3864 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3865 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3866 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3867 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3868 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3869 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3870 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3871 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3872 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3873 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3874 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3875 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3876 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3877 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3878 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3879 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3880

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3881 void SDL_Blit_ABGR8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3882 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3883 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3884 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3885 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3886 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3887 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3888 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3889 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3890 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3891 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3892

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3893 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3894 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3895 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3896 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3897 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3898 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3899 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3900 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3901 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3902 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3903 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3904 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3905 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3906 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3907 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3908 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3909 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3910 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3911 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3912 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3913 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3914 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3915 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3916 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3917 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3918 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3919 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3920 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3921 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3922 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3923 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3924 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3925 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3926 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3927 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3928 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3929 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3930 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3931 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3932 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3933 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3934 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3935 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3936 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3937 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3938 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3939 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3940 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3941 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3942 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3943 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3944 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3945 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3946 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3947 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3948 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3949 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3950 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3951

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3952 void SDL_Blit_ABGR8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3953 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3954 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3955 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3956 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3957 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3958 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3959 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3960 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3961 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3962 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3963 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3964 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3965 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3966

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3967 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3968 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3969 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3970 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3971

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3972 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3973 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3974 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3975 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3976 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3977 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3978 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3979 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3980 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3981 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3982 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3983 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3984 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3985 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3986 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3987 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3988 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3989 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3990 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3991 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3992 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3993 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3994 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3995 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3996 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3997 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3998 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

3999 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4000 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4001 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4002 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4003 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4004 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4005 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4006 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4007 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4008 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4009 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4010 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4011 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4012 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4013 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4014 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4015 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4016 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4017 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4018 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4019 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4020 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4021 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4022 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4023 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4024 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4025 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4026 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4027 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4028 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4029 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4030 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4031 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4032 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4033 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4034 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4035 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4036 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4037 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4038 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4039 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4040 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4041 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4042 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4043

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4044 void SDL_Blit_ABGR8888_BGR888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4045 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4046 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4047 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4048 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4049 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4050 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4051 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4052

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4053 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4054 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4055 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4056 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4057

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4058 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4059 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4060 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4061 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4062 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4063 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4064 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4065 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4066 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4067 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4068 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4069 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4070 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4071 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4072 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4073 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4074 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4075 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4076 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4077 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4078 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4079 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4080 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4081 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4082 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4083 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4084 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4085 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4086 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4087

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4088 void SDL_Blit_ABGR8888_BGR888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4089 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4090 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4091 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4092 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4093 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4094 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4095

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4096 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4097 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4098 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4099 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4100 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4101 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4102 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4103 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4104 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4105 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4106 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4107 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4108 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4109 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4110 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4111 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4112 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4113 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4114 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4115 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4116 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4117 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4118 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4119 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4120 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4121 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4122 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4123 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4124 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4125 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4126 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4127 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4128 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4129 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4130 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4131 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4132 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4133 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4134 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4135 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4136 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4137 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4138 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4139 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4140 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4141 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4142 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4143 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4144 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4145 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4146

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4147 void SDL_Blit_ABGR8888_BGR888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4148 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4149 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4150 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4151 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4152 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4153 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4154 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4155 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4156 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4157

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4158 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4159 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4160 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4161 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4162

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4163 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4164 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4165 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4166 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4167 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4168 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4169 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4170 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4171 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4172 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4173 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4174 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4175 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4176 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4177 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4178 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4179 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4180 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4181 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4182 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4183 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4184 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4185 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4186 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4187 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4188 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4189 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4190 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4191 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4192 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4193 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4194 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4195 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4196 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4197 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4198 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4199 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4200 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4201 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4202 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4203 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4204 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4205 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4206 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4207 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4208 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4209 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4210 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4211 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4212 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4213 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4214 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4215 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4216 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4217 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4218 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4219 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4220 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4221 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4222 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4223 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4224 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4225 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4226

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4227 void SDL_Blit_ABGR8888_BGR888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4228 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4229 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4230 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4231 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4232 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4233 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4234 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4235 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4236

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4237 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4238 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4239 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4240 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4241 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4242 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4243 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4244 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4245 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4246 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4247 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4248 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4249 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4250 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4251 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4252 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4253 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4254 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4255 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4256 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4257 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4258 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4259 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4260 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4261

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4262 void SDL_Blit_ABGR8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4263 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4264 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4265 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4266 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4267 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4268 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4269 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4270 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4271 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4272 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4273 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4274

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4275 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4276 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4277 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4278 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4279

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4280 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4281 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4282 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4283 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4284 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4285 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4286 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4287 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4288 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4289 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4290 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4291 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4292 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4293 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4294 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4295 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4296 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4297 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4298 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4299 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4300 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4301 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4302 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4303 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4304 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4305 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4306 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4307 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4308 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4309 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4310 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4311 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4312 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4313 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4314 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4315 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4316 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4317

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4318 void SDL_Blit_ABGR8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4319 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4320 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4321 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4322 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4323 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4324 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4325 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4326 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4327 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4328 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4329

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4330 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4331 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4332 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4333 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4334 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4335 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4336 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4337 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4338 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4339 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4340 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4341 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4342 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4343 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4344 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4345 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4346 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4347 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4348 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4349 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4350 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4351 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4352 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4353 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4354 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4355 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4356 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4357 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4358 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4359 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4360 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4361 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4362 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4363 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4364 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4365 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4366 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4367 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4368 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4369 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4370 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4371 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4372 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4373 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4374 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4375 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4376 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4377 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4378 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4379 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4380 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4381 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4382 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4383 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4384 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4385 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4386 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4387 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4388

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4389 void SDL_Blit_ABGR8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4390 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4391 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4392 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4393 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4394 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4395 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4396 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4397 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4398 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4399 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4400 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4401 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4402 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4403

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4404 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4405 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4406 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4407 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4408

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4409 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4410 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4411 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4412 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4413 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4414 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4415 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4416 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4417 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4418 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4419 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4420 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4421 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4422 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4423 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4424 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4425 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4426 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4427 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4428 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4429 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4430 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4431 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4432 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4433 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4434 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4435 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4436 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4437 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4438 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4439 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4440 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4441 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4442 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4443 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4444 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4445 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4446 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4447 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4448 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4449 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4450 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4451 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4452 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4453 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4454 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4455 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4456 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4457 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4458 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4459 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4460 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4461 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4462 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4463 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4464 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4465 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4466 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4467 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4468 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4469 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4470 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4471 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4472 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4473 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4474 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4475 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4476 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4477 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4478 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4479 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4480

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4481 void SDL_Blit_BGRA8888_RGB888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4482 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4483 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4484 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4485 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4486 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4487 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4488 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4489

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4490 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4491 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4492 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4493 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4494

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4495 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4496 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4497 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4498 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4499 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4500 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4501 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4502 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4503 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4504 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4505 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4506 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4507 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4508 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4509 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4510 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4511 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4512 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4513 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4514 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4515 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4516 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4517 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4518 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4519 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4520 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4521 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4522 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4523 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4524

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4525 void SDL_Blit_BGRA8888_RGB888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4526 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4527 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4528 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4529 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4530 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4531 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4532

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4533 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4534 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4535 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4536 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4537 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4538 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4539 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4540 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4541 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4542 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4543 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4544 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4545 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4546 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4547 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4548 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4549 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4550 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4551 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4552 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4553 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4554 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4555 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4556 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4557 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4558 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4559 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4560 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4561 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4562 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4563 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4564 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4565 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4566 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4567 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4568 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4569 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4570 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4571 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4572 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4573 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4574 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4575 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4576 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4577 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4578 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4579 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4580 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4581 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4582 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4583

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4584 void SDL_Blit_BGRA8888_RGB888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4585 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4586 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4587 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4588 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4589 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4590 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4591 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4592 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4593 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4594

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4595 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4596 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4597 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4598 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4599

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4600 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4601 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4602 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4603 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4604 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4605 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4606 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4607 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4608 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4609 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4610 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4611 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4612 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4613 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4614 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4615 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4616 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4617 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4618 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4619 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4620 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4621 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4622 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4623 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4624 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4625 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4626 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4627 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4628 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4629 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4630 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4631 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4632 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4633 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4634 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4635 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4636 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4637 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4638 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4639 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4640 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4641 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4642 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4643 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4644 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4645 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4646 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4647 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4648 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4649 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4650 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4651 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4652 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4653 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4654 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4655 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4656 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4657 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4658 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4659 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4660 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4661 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4662 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4663

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4664 void SDL_Blit_BGRA8888_RGB888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4665 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4666 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4667 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4668 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4669 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4670 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4671 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4672 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4673

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4674 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4675 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4676 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4677 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4678 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4679 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4680 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4681 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4682 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4683 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4684 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4685 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4686 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4687 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4688 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4689 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4690 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4691 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4692 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4693 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4694 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4695 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4696 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4697 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4698

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4699 void SDL_Blit_BGRA8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4700 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4701 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4702 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4703 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4704 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4705 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4706 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4707 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4708 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4709 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4710 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4711

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4712 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4713 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4714 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4715 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4716

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4717 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4718 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4719 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4720 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4721 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4722 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4723 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4724 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4725 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4726 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4727 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4728 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4729 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4730 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4731 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4732 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4733 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4734 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4735 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4736 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4737 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4738 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4739 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4740 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4741 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4742 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4743 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4744 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4745 pixel = ((Uint32)R << 16) | ((Uint32)G << 8) | B;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4746 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4747 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4748 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4749 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4750 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4751 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4752 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4753 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4754

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4755 void SDL_Blit_BGRA8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4756 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4757 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4758 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4759 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4760 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4761 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4762 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4763 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4764 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4765 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4766

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4767 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4768 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4769 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4770 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4771 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4772 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4773 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4774 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4775 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4776 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4777 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4778 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4779 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4780 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4781 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4782 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4783 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4784 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4785 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4786 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4787 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4788 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4789 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4790 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4791 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4792 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4793 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4794 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4795 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4796 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4797 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4798 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4799 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4800 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4801 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4802 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4803 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4804 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4805 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4806 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4807 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4808 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4809 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4810 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4811 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4812 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4813 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4814 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4815 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4816 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4817 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4818 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4819 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4820 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4821 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4822 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4823 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4824 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4825

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4826 void SDL_Blit_BGRA8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4827 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4828 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4829 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4830 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4831 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4832 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4833 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4834 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4835 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4836 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4837 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4838 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4839 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4840

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4841 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4842 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4843 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4844 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4845

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4846 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4847 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4848 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4849 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4850 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4851 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4852 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4853 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4854 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4855 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4856 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4857 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4858 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4859 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4860 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4861 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4862 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4863 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4864 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4865 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4866 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4867 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4868 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4869 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4870 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4871 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4872 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4873 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4874 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4875 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4876 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4877 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4878 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4879 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4880 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4881 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4882 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4883 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4884 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4885 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4886 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4887 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4888 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4889 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4890 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4891 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4892 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4893 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4894 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4895 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4896 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4897 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4898 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4899 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4900 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4901 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4902 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4903 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4904 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4905 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4906 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4907 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4908 dstpixel = ((Uint32)dstR << 16) | ((Uint32)dstG << 8) | dstB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4909 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4910 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4911 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4912 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4913 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4914 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4915 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4916 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4917

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4918 void SDL_Blit_BGRA8888_BGR888_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4919 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4920 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4921 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4922 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4923 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4924 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4925 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4926

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4927 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4928 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4929 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4930 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4931

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4932 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4933 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4934 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4935 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4936 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4937 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4938 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4939 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4940 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4941 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4942 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4943 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4944 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4945 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4946 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4947 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4948 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4949 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4950 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4951 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4952 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4953 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4954 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4955 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4956 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4957 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4958 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4959 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4960 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4961

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4962 void SDL_Blit_BGRA8888_BGR888_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4963 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4964 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4965 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4966 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4967 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4968 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4969

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4970 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4971 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4972 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4973 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4974 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4975 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4976 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4977 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4978 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4979 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4980 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4981 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4982 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4983 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4984 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4985 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4986 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4987 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4988 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4989 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4990 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4991 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4992 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4993 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4994 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4995 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4996 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4997 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4998 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

4999 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5000 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5001 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5002 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5003 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5004 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5005 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5006 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5007 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5008 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5009 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5010 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5011 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5012 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5013 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5014 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5015 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5016 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5017 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5018 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5019 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5020

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5021 void SDL_Blit_BGRA8888_BGR888_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5022 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5023 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5024 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5025 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5026 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5027 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5028 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5029 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5030 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5031

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5032 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5033 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5034 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5035 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5036

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5037 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5038 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5039 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5040 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5041 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5042 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5043 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5044 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5045 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5046 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5047 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5048 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5049 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5050 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5051 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5052 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5053 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5054 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5055 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5056 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5057 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5058 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5059 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5060 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5061 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5062 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5063 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5064 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5065 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5066 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5067 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5068 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5069 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5070 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5071 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5072 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5073 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5074 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5075 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5076 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5077 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5078 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5079 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5080 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5081 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5082 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5083 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5084 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5085 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5086 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5087 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5088 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5089 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5090 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5091 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5092 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5093 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5094 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5095 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5096 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5097 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5098 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5099 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5100

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5101 void SDL_Blit_BGRA8888_BGR888_Modulate(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5102 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5103 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5104 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5105 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5106 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5107 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5108 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5109 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5110

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5111 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5112 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5113 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5114 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5115 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5116 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5117 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5118 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5119 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5120 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5121 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5122 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5123 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5124 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5125 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5126 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5127 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5128 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5129 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5130 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5131 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5132 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5133 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5134 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5135

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5136 void SDL_Blit_BGRA8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5137 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5138 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5139 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5140 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5141 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5142 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5143 Uint32 pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5144 Uint32 R, G, B, A;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5145 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5146 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5147 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5148

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5149 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5150 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5151 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5152 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5153

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5154 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5155 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5156 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5157 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5158 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5159 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5160 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5161 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5162 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5163 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5164 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5165 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5166 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5167 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5168 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5169 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5170 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5171 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5172 pixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5173 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5174 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5175 R = (R * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5176 G = (G * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5177 B = (B * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5178 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5179 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5180 A = (A * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5181 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5182 pixel = ((Uint32)B << 16) | ((Uint32)G << 8) | R;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5183 *dst = pixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5184 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5185 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5186 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5187 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5188 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5189 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5190 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5191

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5192 void SDL_Blit_BGRA8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5193 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5194 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5195 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5196 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5197 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5198 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5199 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5200 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5201 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5202 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5203

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5204 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5205 Uint32 *src = (Uint32 *)info->src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5206 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5207 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5208 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5209 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5210 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5211 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5212 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5213 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5214 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5215 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5216 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5217 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5218 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5219 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5220 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5221 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5222 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5223 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5224 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5225 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5226 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5227 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5228 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5229 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5230 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5231 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5232 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5233 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5234 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5235 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5236 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5237 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5238 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5239 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5240 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5241 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5242 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5243 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5244 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5245 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5246 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5247 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5248 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5249 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5250 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5251 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5252 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5253 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5254 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5255 ++src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5256 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5257 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5258 info->src += info->src_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5259 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5260 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5261 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5262

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5263 void SDL_Blit_BGRA8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5264 {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5265 const int flags = info->flags;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5266 const Uint32 modulateR = info->r;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5267 const Uint32 modulateG = info->g;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5268 const Uint32 modulateB = info->b;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5269 const Uint32 modulateA = info->a;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5270 Uint32 srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5271 Uint32 srcR, srcG, srcB, srcA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5272 Uint32 dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5273 Uint32 dstR, dstG, dstB, dstA;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5274 int srcy, srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5275 int posy, posx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5276 int incy, incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5277

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5278 srcy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5279 posy = 0;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5280 incy = (info->src_h << 16) / info->dst_h;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5281 incx = (info->src_w << 16) / info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5282

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5283 while (info->dst_h--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5284 Uint32 *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5285 Uint32 *dst = (Uint32 *)info->dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5286 int n = info->dst_w;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5287 srcx = -1;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5288 posx = 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5289 while (posy >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5290 ++srcy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5291 posy -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5292 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5293 while (n--) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5294 if (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5295 while (posx >= 0x10000L) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5296 ++srcx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5297 posx -= 0x10000L;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5298 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5299 src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5300 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5301 srcpixel = *src;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5302 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5303 dstpixel = *dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5304 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5305 if (flags & SDL_COPY_MODULATE_COLOR) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5306 srcR = (srcR * modulateR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5307 srcG = (srcG * modulateG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5308 srcB = (srcB * modulateB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5309 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5310 if (flags & SDL_COPY_MODULATE_ALPHA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5311 srcA = (srcA * modulateA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5312 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5313 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5314 /* This goes away if we ever use premultiplied alpha */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5315 if (srcA < 255) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5316 srcR = (srcR * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5317 srcG = (srcG * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5318 srcB = (srcB * srcA) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5319 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5320 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5321 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5322 case SDL_COPY_MASK:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5323 if (srcA) {

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5324 dstR = srcR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5325 dstG = srcG;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5326 dstB = srcB;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5327 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5328 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5329 case SDL_COPY_BLEND:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5330 dstR = srcR + ((255 - srcA) * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5331 dstG = srcG + ((255 - srcA) * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5332 dstB = srcB + ((255 - srcA) * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5333 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5334 case SDL_COPY_ADD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5335 dstR = srcR + dstR; if (dstR > 255) dstR = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5336 dstG = srcG + dstG; if (dstG > 255) dstG = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5337 dstB = srcB + dstB; if (dstB > 255) dstB = 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5338 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5339 case SDL_COPY_MOD:

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5340 dstR = (srcR * dstR) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5341 dstG = (srcG * dstG) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5342 dstB = (srcB * dstB) / 255;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5343 break;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5344 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5345 dstpixel = ((Uint32)dstB << 16) | ((Uint32)dstG << 8) | dstR;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5346 *dst = dstpixel;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5347 posx += incx;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5348 ++dst;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5349 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5350 posy += incy;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5351 info->dst += info->dst_pitch;

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5352 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5353 }

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5354

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5355 /* *INDENT-ON* */

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5356

bee005ace1bf Work in progress: merging new texture features into SDL blit system

Sam Lantinga <slouken@libsdl.org>

parents:

diff changeset

5357 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blit_auto.c @ 2262:bee005ace1bf