sdl-ios-xcode: src/render/software/SDL

annotate src/render/software/SDL_blendline.c @ 5284:96a22141cf86 tip

Changed output directory of Universal libSDL.a for iOS to respect build configurations. Template generator was updated to reflect these changes as well.

author	Eric Wing <ewing . public \|-at-\| gmail . com>
date	Sat, 12 Feb 2011 21:52:30 -0800
parents	b530ef003506
children

rev	line source
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
5267 b530ef003506 Happy 2011! :) Sam Lantinga <slouken@libsdl.org> parents: 5231 diff changeset	3 Copyright (C) 1997-2011 Sam Lantinga
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
5231 710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render Sam Lantinga <slouken@libsdl.org> parents: 5187 diff changeset	24 #if !SDL_RENDER_DISABLED
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render Sam Lantinga <slouken@libsdl.org> parents: 5187 diff changeset	25
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	26 #include "SDL_draw.h"
5166 d72793305335 Making the API simpler, moved the surface drawing functions to the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 5143 diff changeset	27 #include "SDL_blendline.h"
5169 4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface. Sam Lantinga <slouken@libsdl.org> parents: 5166 diff changeset	28 #include "SDL_blendpoint.h"
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	29
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	30
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	31 static void
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	32 SDL_BlendLine_RGB2(SDL_Surface * dst, int x1, int y1, int x2, int y2,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	33 SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a,
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	34 SDL_bool draw_end)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	35 {
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	36 const SDL_PixelFormat *fmt = dst->format;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	37 unsigned r, g, b, a, inva;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	38
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	39 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	40 r = DRAW_MUL(_r, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	41 g = DRAW_MUL(_g, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	42 b = DRAW_MUL(_b, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	43 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	44 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	45 r = _r;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	46 g = _g;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	47 b = _b;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	48 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	49 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	50 inva = (a ^ 0xff);
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	52 if (y1 == y2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	53 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	54 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	55 HLINE(Uint16, DRAW_SETPIXEL_BLEND_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	56 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	57 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	58 HLINE(Uint16, DRAW_SETPIXEL_ADD_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	59 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	60 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	61 HLINE(Uint16, DRAW_SETPIXEL_MOD_RGB, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	62 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	63 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	64 HLINE(Uint16, DRAW_SETPIXEL_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	65 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	66 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	67 } else if (x1 == x2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	68 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	69 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	70 VLINE(Uint16, DRAW_SETPIXEL_BLEND_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	71 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	72 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	73 VLINE(Uint16, DRAW_SETPIXEL_ADD_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	74 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	75 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	76 VLINE(Uint16, DRAW_SETPIXEL_MOD_RGB, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	77 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	78 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	79 VLINE(Uint16, DRAW_SETPIXEL_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	80 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	81 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	82 } else if (ABS(x1 - x2) == ABS(y1 - y2)) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	83 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	84 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	85 DLINE(Uint16, DRAW_SETPIXEL_BLEND_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	86 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	87 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	88 DLINE(Uint16, DRAW_SETPIXEL_ADD_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	89 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	90 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	91 DLINE(Uint16, DRAW_SETPIXEL_MOD_RGB, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	92 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	93 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	94 DLINE(Uint16, DRAW_SETPIXEL_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	95 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	96 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	97 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	98 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	99 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	100 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	101 DRAW_SETPIXELXY2_BLEND_RGB, DRAW_SETPIXELXY2_BLEND_RGB,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	102 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	103 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	104 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	105 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	106 DRAW_SETPIXELXY2_ADD_RGB, DRAW_SETPIXELXY2_ADD_RGB,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	107 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	108 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	109 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	110 AALINE(x1, y1, x2, y2,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	111 DRAW_SETPIXELXY2_MOD_RGB, DRAW_SETPIXELXY2_MOD_RGB,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	112 draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	113 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	114 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	115 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	116 DRAW_SETPIXELXY2_RGB, DRAW_SETPIXELXY2_BLEND_RGB,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	117 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	118 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	119 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	120 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	121 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	122
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	123 static void
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	124 SDL_BlendLine_RGB555(SDL_Surface * dst, int x1, int y1, int x2, int y2,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	125 SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a,
3594 c8bed77b0386 Added SDL_DrawRect(), SDL_DrawRects(), SDL_BlendRect() and SDL_BlendRects() Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	126 SDL_bool draw_end)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	127 {
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	128 const SDL_PixelFormat *fmt = dst->format;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	129 unsigned r, g, b, a, inva;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	130
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	131 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	132 r = DRAW_MUL(_r, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	133 g = DRAW_MUL(_g, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	134 b = DRAW_MUL(_b, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	135 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	136 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	137 r = _r;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	138 g = _g;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	139 b = _b;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	140 a = _a;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	141 }
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	142 inva = (a ^ 0xff);
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	143
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	144 if (y1 == y2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	145 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	146 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	147 HLINE(Uint16, DRAW_SETPIXEL_BLEND_RGB555, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	148 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	149 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	150 HLINE(Uint16, DRAW_SETPIXEL_ADD_RGB555, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	151 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	152 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	153 HLINE(Uint16, DRAW_SETPIXEL_MOD_RGB555, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	154 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	155 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	156 HLINE(Uint16, DRAW_SETPIXEL_RGB555, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	157 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	158 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	159 } else if (x1 == x2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	160 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	161 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	162 VLINE(Uint16, DRAW_SETPIXEL_BLEND_RGB555, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	163 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	164 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	165 VLINE(Uint16, DRAW_SETPIXEL_ADD_RGB555, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	166 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	167 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	168 VLINE(Uint16, DRAW_SETPIXEL_MOD_RGB555, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	169 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	170 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	171 VLINE(Uint16, DRAW_SETPIXEL_RGB555, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	172 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	173 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	174 } else if (ABS(x1 - x2) == ABS(y1 - y2)) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	175 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	176 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	177 DLINE(Uint16, DRAW_SETPIXEL_BLEND_RGB555, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	178 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	179 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	180 DLINE(Uint16, DRAW_SETPIXEL_ADD_RGB555, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	181 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	182 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	183 DLINE(Uint16, DRAW_SETPIXEL_MOD_RGB555, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	184 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	185 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	186 DLINE(Uint16, DRAW_SETPIXEL_RGB555, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	187 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	188 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	189 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	190 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	191 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	192 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	193 DRAW_SETPIXELXY_BLEND_RGB555, DRAW_SETPIXELXY_BLEND_RGB555,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	194 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	195 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	196 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	197 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	198 DRAW_SETPIXELXY_ADD_RGB555, DRAW_SETPIXELXY_ADD_RGB555,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	199 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	200 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	201 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	202 AALINE(x1, y1, x2, y2,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	203 DRAW_SETPIXELXY_MOD_RGB555, DRAW_SETPIXELXY_MOD_RGB555,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	204 draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	205 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	206 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	207 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	208 DRAW_SETPIXELXY_RGB555, DRAW_SETPIXELXY_BLEND_RGB555,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	209 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	210 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	211 }
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	212 }
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	213 }
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	214
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	215 static void
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	216 SDL_BlendLine_RGB565(SDL_Surface * dst, int x1, int y1, int x2, int y2,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	217 SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a,
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	218 SDL_bool draw_end)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	219 {
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	220 const SDL_PixelFormat *fmt = dst->format;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	221 unsigned r, g, b, a, inva;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	222
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	223 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	224 r = DRAW_MUL(_r, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	225 g = DRAW_MUL(_g, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	226 b = DRAW_MUL(_b, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	227 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	228 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	229 r = _r;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	230 g = _g;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	231 b = _b;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	232 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	233 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	234 inva = (a ^ 0xff);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	235
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	236 if (y1 == y2) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	237 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	238 case SDL_BLENDMODE_BLEND:
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	239 HLINE(Uint16, DRAW_SETPIXEL_BLEND_RGB565, draw_end);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	240 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	241 case SDL_BLENDMODE_ADD:
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	242 HLINE(Uint16, DRAW_SETPIXEL_ADD_RGB565, draw_end);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	243 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	244 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	245 HLINE(Uint16, DRAW_SETPIXEL_MOD_RGB565, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	246 break;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	247 default:
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	248 HLINE(Uint16, DRAW_SETPIXEL_RGB565, draw_end);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	249 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	250 }
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	251 } else if (x1 == x2) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	252 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	253 case SDL_BLENDMODE_BLEND:
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	254 VLINE(Uint16, DRAW_SETPIXEL_BLEND_RGB565, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	255 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	256 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	257 VLINE(Uint16, DRAW_SETPIXEL_ADD_RGB565, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	258 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	259 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	260 VLINE(Uint16, DRAW_SETPIXEL_MOD_RGB565, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	261 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	262 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	263 VLINE(Uint16, DRAW_SETPIXEL_RGB565, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	264 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	265 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	266 } else if (ABS(x1 - x2) == ABS(y1 - y2)) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	267 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	268 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	269 DLINE(Uint16, DRAW_SETPIXEL_BLEND_RGB565, draw_end);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	270 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	271 case SDL_BLENDMODE_ADD:
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	272 DLINE(Uint16, DRAW_SETPIXEL_ADD_RGB565, draw_end);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	273 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	274 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	275 DLINE(Uint16, DRAW_SETPIXEL_MOD_RGB565, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	276 break;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	277 default:
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	278 DLINE(Uint16, DRAW_SETPIXEL_RGB565, draw_end);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	279 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	280 }
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	281 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	282 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	283 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	284 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	285 DRAW_SETPIXELXY_BLEND_RGB565, DRAW_SETPIXELXY_BLEND_RGB565,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	286 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	287 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	288 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	289 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	290 DRAW_SETPIXELXY_ADD_RGB565, DRAW_SETPIXELXY_ADD_RGB565,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	291 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	292 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	293 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	294 AALINE(x1, y1, x2, y2,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	295 DRAW_SETPIXELXY_MOD_RGB565, DRAW_SETPIXELXY_MOD_RGB565,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	296 draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	297 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	298 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	299 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	300 DRAW_SETPIXELXY_RGB565, DRAW_SETPIXELXY_BLEND_RGB565,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	301 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	302 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	303 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	304 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	305 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	306
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	307 static void
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	308 SDL_BlendLine_RGB4(SDL_Surface * dst, int x1, int y1, int x2, int y2,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	309 SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a,
3594 c8bed77b0386 Added SDL_DrawRect(), SDL_DrawRects(), SDL_BlendRect() and SDL_BlendRects() Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	310 SDL_bool draw_end)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	311 {
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	312 const SDL_PixelFormat *fmt = dst->format;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	313 unsigned r, g, b, a, inva;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	314
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	315 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	316 r = DRAW_MUL(_r, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	317 g = DRAW_MUL(_g, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	318 b = DRAW_MUL(_b, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	319 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	320 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	321 r = _r;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	322 g = _g;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	323 b = _b;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	324 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	325 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	326 inva = (a ^ 0xff);
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	327
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	328 if (y1 == y2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	329 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	330 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	331 HLINE(Uint32, DRAW_SETPIXEL_BLEND_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	332 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	333 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	334 HLINE(Uint32, DRAW_SETPIXEL_ADD_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	335 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	336 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	337 HLINE(Uint32, DRAW_SETPIXEL_MOD_RGB, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	338 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	339 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	340 HLINE(Uint32, DRAW_SETPIXEL_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	341 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	342 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	343 } else if (x1 == x2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	344 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	345 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	346 VLINE(Uint32, DRAW_SETPIXEL_BLEND_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	347 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	348 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	349 VLINE(Uint32, DRAW_SETPIXEL_ADD_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	350 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	351 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	352 VLINE(Uint32, DRAW_SETPIXEL_MOD_RGB, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	353 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	354 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	355 VLINE(Uint32, DRAW_SETPIXEL_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	356 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	357 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	358 } else if (ABS(x1 - x2) == ABS(y1 - y2)) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	359 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	360 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	361 DLINE(Uint32, DRAW_SETPIXEL_BLEND_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	362 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	363 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	364 DLINE(Uint32, DRAW_SETPIXEL_ADD_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	365 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	366 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	367 DLINE(Uint32, DRAW_SETPIXEL_MOD_RGB, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	368 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	369 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	370 DLINE(Uint32, DRAW_SETPIXEL_RGB, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	371 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	372 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	373 } else {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	374 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	375 case SDL_BLENDMODE_BLEND:
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	376 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	377 DRAW_SETPIXELXY4_BLEND_RGB, DRAW_SETPIXELXY4_BLEND_RGB,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	378 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	379 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	380 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	381 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	382 DRAW_SETPIXELXY4_ADD_RGB, DRAW_SETPIXELXY4_ADD_RGB,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	383 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	384 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	385 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	386 AALINE(x1, y1, x2, y2,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	387 DRAW_SETPIXELXY4_MOD_RGB, DRAW_SETPIXELXY4_MOD_RGB,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	388 draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	389 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	390 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	391 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	392 DRAW_SETPIXELXY4_RGB, DRAW_SETPIXELXY4_BLEND_RGB,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	393 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	394 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	395 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	396 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	397 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	398
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	399 static void
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	400 SDL_BlendLine_RGBA4(SDL_Surface * dst, int x1, int y1, int x2, int y2,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	401 SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a,
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	402 SDL_bool draw_end)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	403 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	404 const SDL_PixelFormat *fmt = dst->format;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	405 unsigned r, g, b, a, inva;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	406
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	407 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	408 r = DRAW_MUL(_r, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	409 g = DRAW_MUL(_g, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	410 b = DRAW_MUL(_b, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	411 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	412 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	413 r = _r;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	414 g = _g;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	415 b = _b;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	416 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	417 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	418 inva = (a ^ 0xff);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	419
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	420 if (y1 == y2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	421 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	422 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	423 HLINE(Uint32, DRAW_SETPIXEL_BLEND_RGBA, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	424 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	425 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	426 HLINE(Uint32, DRAW_SETPIXEL_ADD_RGBA, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	427 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	428 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	429 HLINE(Uint32, DRAW_SETPIXEL_MOD_RGBA, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	430 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	431 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	432 HLINE(Uint32, DRAW_SETPIXEL_RGBA, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	433 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	434 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	435 } else if (x1 == x2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	436 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	437 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	438 VLINE(Uint32, DRAW_SETPIXEL_BLEND_RGBA, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	439 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	440 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	441 VLINE(Uint32, DRAW_SETPIXEL_ADD_RGBA, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	442 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	443 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	444 VLINE(Uint32, DRAW_SETPIXEL_MOD_RGBA, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	445 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	446 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	447 VLINE(Uint32, DRAW_SETPIXEL_RGBA, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	448 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	449 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	450 } else if (ABS(x1 - x2) == ABS(y1 - y2)) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	451 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	452 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	453 DLINE(Uint32, DRAW_SETPIXEL_BLEND_RGBA, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	454 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	455 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	456 DLINE(Uint32, DRAW_SETPIXEL_ADD_RGBA, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	457 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	458 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	459 DLINE(Uint32, DRAW_SETPIXEL_MOD_RGBA, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	460 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	461 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	462 DLINE(Uint32, DRAW_SETPIXEL_RGBA, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	463 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	464 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	465 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	466 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	467 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	468 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	469 DRAW_SETPIXELXY4_BLEND_RGBA, DRAW_SETPIXELXY4_BLEND_RGBA,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	470 draw_end);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	471 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	472 case SDL_BLENDMODE_ADD:
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	473 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	474 DRAW_SETPIXELXY4_ADD_RGBA, DRAW_SETPIXELXY4_ADD_RGBA,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	475 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	476 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	477 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	478 AALINE(x1, y1, x2, y2,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	479 DRAW_SETPIXELXY4_MOD_RGBA, DRAW_SETPIXELXY4_MOD_RGBA,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	480 draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	481 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	482 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	483 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	484 DRAW_SETPIXELXY4_RGBA, DRAW_SETPIXELXY4_BLEND_RGBA,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	485 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	486 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	487 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	488 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	489 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	490
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	491 static void
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	492 SDL_BlendLine_RGB888(SDL_Surface * dst, int x1, int y1, int x2, int y2,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	493 SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a,
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	494 SDL_bool draw_end)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	495 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	496 const SDL_PixelFormat *fmt = dst->format;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	497 unsigned r, g, b, a, inva;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	498
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	499 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	500 r = DRAW_MUL(_r, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	501 g = DRAW_MUL(_g, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	502 b = DRAW_MUL(_b, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	503 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	504 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	505 r = _r;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	506 g = _g;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	507 b = _b;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	508 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	509 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	510 inva = (a ^ 0xff);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	511
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	512 if (y1 == y2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	513 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	514 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	515 HLINE(Uint32, DRAW_SETPIXEL_BLEND_RGB888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	516 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	517 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	518 HLINE(Uint32, DRAW_SETPIXEL_ADD_RGB888, draw_end);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	519 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	520 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	521 HLINE(Uint32, DRAW_SETPIXEL_MOD_RGB888, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	522 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	523 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	524 HLINE(Uint32, DRAW_SETPIXEL_RGB888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	525 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	526 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	527 } else if (x1 == x2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	528 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	529 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	530 VLINE(Uint32, DRAW_SETPIXEL_BLEND_RGB888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	531 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	532 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	533 VLINE(Uint32, DRAW_SETPIXEL_ADD_RGB888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	534 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	535 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	536 VLINE(Uint32, DRAW_SETPIXEL_MOD_RGB888, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	537 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	538 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	539 VLINE(Uint32, DRAW_SETPIXEL_RGB888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	540 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	541 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	542 } else if (ABS(x1 - x2) == ABS(y1 - y2)) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	543 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	544 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	545 DLINE(Uint32, DRAW_SETPIXEL_BLEND_RGB888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	546 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	547 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	548 DLINE(Uint32, DRAW_SETPIXEL_ADD_RGB888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	549 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	550 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	551 DLINE(Uint32, DRAW_SETPIXEL_MOD_RGB888, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	552 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	553 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	554 DLINE(Uint32, DRAW_SETPIXEL_RGB888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	555 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	556 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	557 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	558 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	559 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	560 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	561 DRAW_SETPIXELXY_BLEND_RGB888, DRAW_SETPIXELXY_BLEND_RGB888,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	562 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	563 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	564 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	565 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	566 DRAW_SETPIXELXY_ADD_RGB888, DRAW_SETPIXELXY_ADD_RGB888,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	567 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	568 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	569 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	570 AALINE(x1, y1, x2, y2,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	571 DRAW_SETPIXELXY_MOD_RGB888, DRAW_SETPIXELXY_MOD_RGB888,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	572 draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	573 break;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	574 default:
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	575 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	576 DRAW_SETPIXELXY_RGB888, DRAW_SETPIXELXY_BLEND_RGB888,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	577 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	578 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	579 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	580 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	581 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	582
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	583 static void
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	584 SDL_BlendLine_ARGB8888(SDL_Surface * dst, int x1, int y1, int x2, int y2,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	585 SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a,
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	586 SDL_bool draw_end)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	587 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	588 const SDL_PixelFormat *fmt = dst->format;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	589 unsigned r, g, b, a, inva;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	590
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	591 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	592 r = DRAW_MUL(_r, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	593 g = DRAW_MUL(_g, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	594 b = DRAW_MUL(_b, _a);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	595 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	596 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	597 r = _r;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	598 g = _g;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	599 b = _b;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	600 a = _a;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	601 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	602 inva = (a ^ 0xff);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	603
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	604 if (y1 == y2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	605 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	606 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	607 HLINE(Uint32, DRAW_SETPIXEL_BLEND_ARGB8888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	608 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	609 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	610 HLINE(Uint32, DRAW_SETPIXEL_ADD_ARGB8888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	611 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	612 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	613 HLINE(Uint32, DRAW_SETPIXEL_MOD_ARGB8888, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	614 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	615 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	616 HLINE(Uint32, DRAW_SETPIXEL_ARGB8888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	617 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	618 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	619 } else if (x1 == x2) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	620 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	621 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	622 VLINE(Uint32, DRAW_SETPIXEL_BLEND_ARGB8888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	623 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	624 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	625 VLINE(Uint32, DRAW_SETPIXEL_ADD_ARGB8888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	626 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	627 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	628 VLINE(Uint32, DRAW_SETPIXEL_MOD_ARGB8888, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	629 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	630 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	631 VLINE(Uint32, DRAW_SETPIXEL_ARGB8888, draw_end);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	632 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	633 }
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	634 } else if (ABS(x1 - x2) == ABS(y1 - y2)) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	635 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	636 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	637 DLINE(Uint32, DRAW_SETPIXEL_BLEND_ARGB8888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	638 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	639 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	640 DLINE(Uint32, DRAW_SETPIXEL_ADD_ARGB8888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	641 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	642 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	643 DLINE(Uint32, DRAW_SETPIXEL_MOD_ARGB8888, draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	644 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	645 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	646 DLINE(Uint32, DRAW_SETPIXEL_ARGB8888, draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	647 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	648 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	649 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	650 switch (blendMode) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	651 case SDL_BLENDMODE_BLEND:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	652 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	653 DRAW_SETPIXELXY_BLEND_ARGB8888, DRAW_SETPIXELXY_BLEND_ARGB8888,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	654 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	655 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	656 case SDL_BLENDMODE_ADD:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	657 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	658 DRAW_SETPIXELXY_ADD_ARGB8888, DRAW_SETPIXELXY_ADD_ARGB8888,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	659 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	660 break;
5187 d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	661 case SDL_BLENDMODE_MOD:
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	662 AALINE(x1, y1, x2, y2,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	663 DRAW_SETPIXELXY_MOD_ARGB8888, DRAW_SETPIXELXY_MOD_ARGB8888,
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	664 draw_end);
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME Sam Lantinga <slouken@libsdl.org> parents: 5169 diff changeset	665 break;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	666 default:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	667 AALINE(x1, y1, x2, y2,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	668 DRAW_SETPIXELXY_ARGB8888, DRAW_SETPIXELXY_BLEND_ARGB8888,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	669 draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	670 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	671 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	672 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	673 }
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	674
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	675 typedef void (BlendLineFunc) (SDL_Surface dst,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	676 int x1, int y1, int x2, int y2,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	677 SDL_BlendMode blendMode,
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	678 Uint8 r, Uint8 g, Uint8 b, Uint8 a,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	679 SDL_bool draw_end);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	680
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	681 static BlendLineFunc
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	682 SDL_CalculateBlendLineFunc(const SDL_PixelFormat * fmt)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	683 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	684 switch (fmt->BytesPerPixel) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	685 case 2:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	686 if (fmt->Rmask == 0x7C00) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	687 return SDL_BlendLine_RGB555;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	688 } else if (fmt->Rmask == 0xF800) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	689 return SDL_BlendLine_RGB565;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	690 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	691 return SDL_BlendLine_RGB2;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	692 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	693 break;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	694 case 4:
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	695 if (fmt->Rmask == 0x00FF0000) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	696 if (fmt->Amask) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	697 return SDL_BlendLine_ARGB8888;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	698 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	699 return SDL_BlendLine_RGB888;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	700 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	701 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	702 if (fmt->Amask) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	703 return SDL_BlendLine_RGBA4;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	704 } else {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	705 return SDL_BlendLine_RGB4;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	706 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	707 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	708 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	709 return NULL;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	710 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	711
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 int
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 SDL_BlendLine(SDL_Surface * dst, int x1, int y1, int x2, int y2,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	714 SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 {
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	716 BlendLineFunc func;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	717
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	718 if (!dst) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	719 SDL_SetError("SDL_BlendLine(): Passed NULL destination surface");
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	720 return -1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	721 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	722
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	723 func = SDL_CalculateBlendLineFunc(dst->format);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	724 if (!func) {
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 SDL_SetError("SDL_BlendLine(): Unsupported surface format");
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	726 return -1;
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	727 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729 /* Perform clipping */
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	730 /* FIXME: We don't actually want to clip, as it may change line slope */
2910 27d8b12e0e8e Fixed argument order to the line clipping routine Sam Lantinga <slouken@libsdl.org> parents: 2909 diff changeset	731 if (!SDL_IntersectRectAndLine(&dst->clip_rect, &x1, &y1, &x2, &y2)) {
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	732 return 0;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	733 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	734
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	735 func(dst, x1, y1, x2, y2, blendMode, r, g, b, a, SDL_TRUE);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	736 return 0;
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	739 int
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	740 SDL_BlendLines(SDL_Surface * dst, const SDL_Point * points, int count,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	741 SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	742 {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	743 int i;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	744 int x1, y1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	745 int x2, y2;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	746 SDL_bool draw_end;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	747 BlendLineFunc func;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	748
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	749 if (!dst) {
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	750 SDL_SetError("SDL_BlendLines(): Passed NULL destination surface");
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	751 return -1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	752 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	753
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	754 func = SDL_CalculateBlendLineFunc(dst->format);
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	755 if (!func) {
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	756 SDL_SetError("SDL_BlendLines(): Unsupported surface format");
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	757 return -1;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	758 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	759
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	760 for (i = 1; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	761 x1 = points[i-1].x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	762 y1 = points[i-1].y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	763 x2 = points[i].x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	764 y2 = points[i].y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	765
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	766 /* Perform clipping */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	767 /* FIXME: We don't actually want to clip, as it may change line slope */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	768 if (!SDL_IntersectRectAndLine(&dst->clip_rect, &x1, &y1, &x2, &y2)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	769 continue;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	770 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	771
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	772 /* Draw the end if it was clipped */
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	773 draw_end = (x2 != points[i].x \|\| y2 != points[i].y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	774
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	775 func(dst, x1, y1, x2, y2, blendMode, r, g, b, a, draw_end);
3594 c8bed77b0386 Added SDL_DrawRect(), SDL_DrawRects(), SDL_BlendRect() and SDL_BlendRects() Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	776 }
c8bed77b0386 Added SDL_DrawRect(), SDL_DrawRects(), SDL_BlendRect() and SDL_BlendRects() Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	777 if (points[0].x != points[count-1].x \|\| points[0].y != points[count-1].y) {
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	778 SDL_BlendPoint(dst, points[count-1].x, points[count-1].y,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	779 blendMode, r, g, b, a);
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	780 }
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	781 return 0;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	782 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2910 diff changeset	783
5231 710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render Sam Lantinga <slouken@libsdl.org> parents: 5187 diff changeset	784 #endif /* !SDL_RENDER_DISABLED */
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render Sam Lantinga <slouken@libsdl.org> parents: 5187 diff changeset	785
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	786 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/render/software/SDL_blendline.c @ 5284:96a22141cf86 tip