sdl-ios-xcode: src/video/SDL_renderer

annotate src/video/SDL_renderer_sw.c @ 2094:7ba4a732e3d0

Merged r2985:2986 from branches/SDL-1.2: directfb yuv coop level fix.

author	Ryan C. Gordon <icculus@icculus.org>
date	Tue, 20 Feb 2007 21:08:00 +0000
parents	7387e0514595
children	3ee59c43d784

rev	line source
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #include "SDL_video.h"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 #include "SDL_sysvideo.h"
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	26 #include "SDL_pixels_c.h"
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 #include "SDL_rect_c.h"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 #include "SDL_yuv_sw_c.h"
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	29 #include "SDL_rendercopy.h"
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 /* SDL surface based renderer implementation */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	34 static SDL_Renderer SW_CreateRenderer(SDL_Window window, Uint32 flags);
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	35 static int SW_ActivateRenderer(SDL_Renderer * renderer);
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	36 static int SW_DisplayModeChanged(SDL_Renderer * renderer);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	37 static int SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	38 static int SW_QueryTexturePixels(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	39 SDL_Texture * texture, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	40 int *pitch);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	41 static int SW_SetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	42 SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	43 const SDL_Color * colors, int firstcolor,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	44 int ncolors);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	45 static int SW_GetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	46 SDL_Texture * texture, SDL_Color * colors,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	47 int firstcolor, int ncolors);
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	48 static int SW_SetTextureColorMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	49 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	50 static int SW_SetTextureAlphaMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	51 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	52 static int SW_SetTextureBlendMode(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	53 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	54 static int SW_SetTextureScaleMode(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	55 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	56 static int SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	57 const SDL_Rect * rect, const void *pixels,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	58 int pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	59 static int SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	60 const SDL_Rect * rect, int markDirty, void **pixels,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	61 int *pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	62 static void SW_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	63 static void SW_DirtyTexture(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	64 SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	65 const SDL_Rect * rects);
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	66 static int SW_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	67 Uint8 a, const SDL_Rect * rect);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	68 static int SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	69 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	70 static void SW_RenderPresent(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	71 static void SW_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	72 static void SW_DestroyRenderer(SDL_Renderer * renderer);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	75 SDL_RenderDriver SW_RenderDriver = {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	76 SW_CreateRenderer,
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 "software",
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	79 (SDL_RENDERER_SINGLEBUFFER \| SDL_RENDERER_PRESENTCOPY \|
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	80 SDL_RENDERER_PRESENTFLIP2 \| SDL_RENDERER_PRESENTFLIP3 \|
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	81 SDL_RENDERER_PRESENTDISCARD \| SDL_RENDERER_PRESENTVSYNC),
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	82 (SDL_TEXTUREMODULATE_NONE \| SDL_TEXTUREMODULATE_COLOR \|
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	83 SDL_TEXTUREMODULATE_ALPHA),
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	84 (SDL_TEXTUREBLENDMODE_NONE \| SDL_TEXTUREBLENDMODE_MASK \|
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	85 SDL_TEXTUREBLENDMODE_BLEND \| SDL_TEXTUREBLENDMODE_ADD \|
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	86 SDL_TEXTUREBLENDMODE_MOD),
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	87 (SDL_TEXTURESCALEMODE_NONE \| SDL_TEXTURESCALEMODE_FAST),
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 11,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	90 SDL_PIXELFORMAT_INDEX8,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	91 SDL_PIXELFORMAT_RGB555,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	92 SDL_PIXELFORMAT_RGB565,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	93 SDL_PIXELFORMAT_RGB888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	94 SDL_PIXELFORMAT_BGR888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	95 SDL_PIXELFORMAT_ARGB8888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	96 SDL_PIXELFORMAT_RGBA8888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	97 SDL_PIXELFORMAT_ABGR8888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	98 SDL_PIXELFORMAT_BGRA8888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	99 SDL_PIXELFORMAT_YUY2,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	100 SDL_PIXELFORMAT_UYVY},
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 0,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 0}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 };
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 typedef struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 {
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	107 Uint32 format;
1972 a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	108 SDL_bool updateSize;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	109 int current_texture;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	110 SDL_Texture *texture[3];
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	111 SDL_Surface surface;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 SDL_Renderer *renderer;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 SDL_DirtyRectList dirty;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	114 } SW_RenderData;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	116 static SDL_Texture *
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	117 CreateTexture(SDL_Renderer * renderer, Uint32 format, int w, int h)
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	118 {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	119 SDL_Texture *texture;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	120
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1918 diff changeset	121 texture = (SDL_Texture ) SDL_calloc(1, sizeof(texture));
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	122 if (!texture) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	123 SDL_OutOfMemory();
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	124 return NULL;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	125 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	126
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	127 texture->format = format;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	128 texture->access = SDL_TEXTUREACCESS_LOCAL;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	129 texture->w = w;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	130 texture->h = h;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	131 texture->renderer = renderer;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	132
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	133 if (renderer->CreateTexture(renderer, texture) < 0) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	134 SDL_free(texture);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	135 return NULL;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	136 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	137 return texture;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	138 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	139
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	140 static void
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	141 DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	142 {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	143 renderer->DestroyTexture(renderer, texture);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	144 SDL_free(texture);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	145 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	146
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	147 static int
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	148 DisplayPaletteChanged(void userdata, SDL_Palette palette)
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	149 {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	150 SW_RenderData data = (SW_RenderData ) userdata;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	151 int i;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	152
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	153 for (i = 0; i < SDL_arraysize(data->texture); ++i) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	154 if (data->texture[i] && data->renderer->SetTexturePalette) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	155 data->renderer->SetTexturePalette(data->renderer,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	156 data->texture[i],
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	157 palette->colors, 0,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	158 palette->ncolors);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	159 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	160 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	161 return 0;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	162 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	163
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 SDL_Renderer *
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	165 SW_CreateRenderer(SDL_Window * window, Uint32 flags)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 SDL_DisplayMode *displayMode = &display->current_mode;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 SDL_Renderer *renderer;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	170 SW_RenderData *data;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 int i, n;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 int bpp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 Uint32 Rmask, Gmask, Bmask, Amask;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	174 Uint32 renderer_flags;
1929 595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	175 const char *desired_driver;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 if (!SDL_PixelFormatEnumToMasks
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 (displayMode->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 SDL_SetError("Unknown display format");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 renderer = (SDL_Renderer ) SDL_calloc(1, sizeof(renderer));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 if (!renderer) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1918 diff changeset	189 data = (SW_RenderData ) SDL_calloc(1, sizeof(data));
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 if (!data) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	191 SW_DestroyRenderer(renderer);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 }
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	195 renderer->ActivateRenderer = SW_ActivateRenderer;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	196 renderer->DisplayModeChanged = SW_DisplayModeChanged;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	197 renderer->CreateTexture = SW_CreateTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	198 renderer->QueryTexturePixels = SW_QueryTexturePixels;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	199 renderer->SetTexturePalette = SW_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	200 renderer->GetTexturePalette = SW_GetTexturePalette;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	201 renderer->SetTextureColorMod = SW_SetTextureColorMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	202 renderer->SetTextureAlphaMod = SW_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	203 renderer->SetTextureBlendMode = SW_SetTextureBlendMode;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	204 renderer->SetTextureScaleMode = SW_SetTextureScaleMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	205 renderer->UpdateTexture = SW_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	206 renderer->LockTexture = SW_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	207 renderer->UnlockTexture = SW_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	208 renderer->DirtyTexture = SW_DirtyTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	209 renderer->RenderFill = SW_RenderFill;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	210 renderer->RenderCopy = SW_RenderCopy;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	211 renderer->RenderPresent = SW_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	212 renderer->DestroyTexture = SW_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	213 renderer->DestroyRenderer = SW_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	214 renderer->info = SW_RenderDriver.info;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 renderer->window = window->id;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 renderer->driverdata = data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	218 renderer->info.flags = 0;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	220 if (flags & SDL_RENDERER_PRESENTFLIP2) {
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	221 renderer->info.flags \|= SDL_RENDERER_PRESENTFLIP2;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 n = 2;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	223 } else if (flags & SDL_RENDERER_PRESENTFLIP3) {
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	224 renderer->info.flags \|= SDL_RENDERER_PRESENTFLIP3;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 n = 3;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 } else {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	227 renderer->info.flags \|= SDL_RENDERER_PRESENTCOPY;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 n = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 }
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	230 data->format = displayMode->format;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 /* Find a render driver that we can use to display data */
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	233 renderer_flags = (SDL_RENDERER_SINGLEBUFFER \|
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	234 SDL_RENDERER_PRESENTDISCARD);
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	235 if (flags & SDL_RENDERER_PRESENTVSYNC) {
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	236 renderer_flags \|= SDL_RENDERER_PRESENTVSYNC;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	237 }
1929 595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	238 desired_driver = SDL_getenv("SDL_VIDEO_RENDERER_SWDRIVER");
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 for (i = 0; i < display->num_render_drivers; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 SDL_RenderDriver *driver = &display->render_drivers[i];
1929 595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	241 if (driver->info.name == SW_RenderDriver.info.name) {
595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	242 continue;
595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	243 }
595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	244 if (desired_driver
595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	245 && SDL_strcasecmp(desired_driver, driver->info.name) != 0) {
595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	246 continue;
595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	247 }
595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	248 data->renderer = driver->CreateRenderer(window, renderer_flags);
595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	249 if (data->renderer) {
595ac54a8f9f Added an environment variable to select which driver the software renderer will use. Sam Lantinga <slouken@libsdl.org> parents: 1920 diff changeset	250 break;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 if (i == display->num_render_drivers) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	254 SW_DestroyRenderer(renderer);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 SDL_SetError("Couldn't find display render driver");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 }
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	258 if (data->renderer->info.flags & SDL_RENDERER_PRESENTVSYNC) {
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	259 renderer->info.flags \|= SDL_RENDERER_PRESENTVSYNC;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	260 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	261
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	262 /* Create the textures we'll use for display */
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	263 for (i = 0; i < n; ++i) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	264 data->texture[i] =
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	265 CreateTexture(data->renderer, data->format, window->w, window->h);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	266 if (!data->texture[i]) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	267 SW_DestroyRenderer(renderer);
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	268 return NULL;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	269 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	270 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	271 data->current_texture = 0;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	272
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	273 /* Create a surface we'll use for rendering */
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	274 data->surface.flags = SDL_PREALLOC;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	275 data->surface.format = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	276 if (!data->surface.format) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	277 SW_DestroyRenderer(renderer);
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	278 return NULL;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	279 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	280 SDL_SetSurfacePalette(&data->surface, display->palette);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	281
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	282 /* Set up a palette watch on the display palette */
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	283 if (display->palette) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	284 SDL_AddPaletteWatch(display->palette, DisplayPaletteChanged, data);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	285 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	286
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 return renderer;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 static int
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	291 SW_ActivateRenderer(SDL_Renderer * renderer)
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	292 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	293 SW_RenderData data = (SW_RenderData ) renderer->driverdata;
1972 a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	294 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	295 int i, n;
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	296
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	297 if (data->renderer && data->renderer->ActivateRenderer) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	298 if (data->renderer->ActivateRenderer(data->renderer) < 0) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	299 return -1;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	300 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	301 }
1972 a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	302 if (data->updateSize) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	303 /* Recreate the textures for the new window size */
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	304 if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	305 n = 2;
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	306 } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	307 n = 3;
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	308 } else {
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	309 n = 1;
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	310 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	311 for (i = 0; i < n; ++i) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	312 if (data->texture[i]) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	313 DestroyTexture(data->renderer, data->texture[i]);
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	314 data->texture[i] = 0;
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	315 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	316 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	317 for (i = 0; i < n; ++i) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	318 data->texture[i] =
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	319 CreateTexture(data->renderer, data->format, window->w,
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	320 window->h);
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	321 if (!data->texture[i]) {
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	322 return -1;
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	323 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	324 }
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	325 data->updateSize = SDL_FALSE;
a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	326 }
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	327 return 0;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	328 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	329
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	330 static int
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	331 SW_DisplayModeChanged(SDL_Renderer * renderer)
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	332 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	333 SW_RenderData data = (SW_RenderData ) renderer->driverdata;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	334
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	335 if (data->renderer && data->renderer->DisplayModeChanged) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	336 if (data->renderer->DisplayModeChanged(data->renderer) < 0) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	337 return -1;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	338 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	339 }
1972 a0e278364188 Fixed bug recreating OpenGL textures on window resize Sam Lantinga <slouken@libsdl.org> parents: 1971 diff changeset	340 data->updateSize = SDL_TRUE;
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	341 return 0;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	342 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	343
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	344 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	345 SW_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 texture->driverdata = SDL_SW_CreateYUVTexture(texture);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 } else {
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	350 SDL_Surface *surface;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 int bpp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 Uint32 Rmask, Gmask, Bmask, Amask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 if (!SDL_PixelFormatEnumToMasks
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 (texture->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 SDL_SetError("Unknown texture format");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 texture->driverdata =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 SDL_CreateRGBSurface(0, texture->w, texture->h, bpp, Rmask, Gmask,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 Bmask, Amask);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 if (!texture->driverdata) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	372 SW_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	373 void *pixels, int pitch)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 return SDL_SW_QueryYUVTexturePixels((SDL_SW_YUVTexture *) texture->
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 driverdata, pixels, pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 SDL_Surface surface = (SDL_Surface ) texture->driverdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 *pixels = surface->pixels;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 *pitch = surface->pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	388 SW_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	389 const SDL_Color * colors, int firstcolor, int ncolors)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 SDL_SetError("YUV textures don't have a palette");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 SDL_Surface surface = (SDL_Surface ) texture->driverdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 return SDL_SetPaletteColors(surface->format->palette, colors,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 firstcolor, ncolors);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	403 SW_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	404 SDL_Color * colors, int firstcolor, int ncolors)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 SDL_SetError("YUV textures don't have a palette");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 SDL_Surface surface = (SDL_Surface ) texture->driverdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 SDL_memcpy(colors, &surface->format->palette->colors[firstcolor],
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 ncolors * sizeof(*colors));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	418 static void
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	419 SW_UpdateRenderCopyFunc(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	420 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	421 SW_RenderData data = (SW_RenderData ) renderer->driverdata;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	422 SDL_Surface surface = (SDL_Surface ) texture->driverdata;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	423
1992 7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	424 /* We only need a special copy function for advanced features */
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	425 if (texture->modMode
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	426 \|\| (texture->
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	427 blendMode & (SDL_TEXTUREBLENDMODE_ADD \| SDL_TEXTUREBLENDMODE_MOD))
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	428 \|\| texture->scaleMode) {
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	429 surface->userdata =
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	430 SDL_GetRenderCopyFunc(texture->format, data->format,
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	431 texture->modMode, texture->blendMode,
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	432 texture->scaleMode);
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	433 } else {
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	434 surface->userdata = NULL;
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits. Sam Lantinga <slouken@libsdl.org> parents: 1989 diff changeset	435 }
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	436 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	437
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	438 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	439 SW_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	440 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	441 SW_UpdateRenderCopyFunc(renderer, texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	442 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	443 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	444
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	445 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	446 SW_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	447 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	448 SW_UpdateRenderCopyFunc(renderer, texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	449 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	450 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	451
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	452 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	453 SW_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	454 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	455 switch (texture->blendMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	456 case SDL_TEXTUREBLENDMODE_NONE:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	457 case SDL_TEXTUREBLENDMODE_MASK:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	458 case SDL_TEXTUREBLENDMODE_BLEND:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	459 case SDL_TEXTUREBLENDMODE_ADD:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	460 case SDL_TEXTUREBLENDMODE_MOD:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	461 SW_UpdateRenderCopyFunc(renderer, texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	462 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	463 default:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	464 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	465 texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	466 SW_UpdateRenderCopyFunc(renderer, texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	467 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	468 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	469 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	470
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	471 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	472 SW_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	473 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	474 switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	475 case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	476 case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	477 SW_UpdateRenderCopyFunc(renderer, texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	478 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	479 case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	480 case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	481 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	482 texture->scaleMode = SDL_TEXTURESCALEMODE_FAST;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	483 SW_UpdateRenderCopyFunc(renderer, texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	484 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	485 default:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	486 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	487 texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	488 SW_UpdateRenderCopyFunc(renderer, texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	489 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	490 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	491 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	492
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	494 SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	495 const SDL_Rect * rect, const void *pixels, int pitch)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 return SDL_SW_UpdateYUVTexture((SDL_SW_YUVTexture *) texture->
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 driverdata, rect, pixels, pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 SDL_Surface surface = (SDL_Surface ) texture->driverdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 Uint8 src, dst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 int row;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 size_t length;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 src = (Uint8 *) pixels;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 dst =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 (Uint8 ) surface->pixels + rect->y surface->pitch +
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 rect->x * surface->format->BytesPerPixel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 length = rect->w * surface->format->BytesPerPixel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 for (row = 0; row < rect->h; ++row) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512 SDL_memcpy(dst, src, length);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513 src += pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514 dst += surface->pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	521 SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	522 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	523 int *pitch)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 return SDL_SW_LockYUVTexture((SDL_SW_YUVTexture *) texture->
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 driverdata, rect, markDirty, pixels,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528 pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 SDL_Surface surface = (SDL_Surface ) texture->driverdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 *pixels =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 (void ) ((Uint8 ) surface->pixels + rect->y * surface->pitch +
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 rect->x * surface->format->BytesPerPixel);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 *pitch = surface->pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 static void
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	541 SW_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 SDL_SW_UnlockYUVTexture((SDL_SW_YUVTexture *) texture->driverdata);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	545 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 static void
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	549 SW_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	550 int numrects, const SDL_Rect * rects)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 static int
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	555 SW_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	556 const SDL_Rect * rect)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	558 SW_RenderData data = (SW_RenderData ) renderer->driverdata;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	559 Uint32 color;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	560 SDL_Rect real_rect;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	561 int status;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	563 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
1897 c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	564 SDL_AddDirtyRect(&data->dirty, rect);
c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	565 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	567 color = SDL_MapRGBA(data->surface.format, r, g, b, a);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	569 if (data->renderer->
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	570 LockTexture(data->renderer, data->texture[data->current_texture],
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	571 rect, 1, &data->surface.pixels,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	572 &data->surface.pitch) < 0) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	573 return -1;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	574 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	575 data->surface.w = rect->w;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	576 data->surface.h = rect->h;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	577 data->surface.clip_rect.w = rect->w;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	578 data->surface.clip_rect.h = rect->h;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	579 real_rect = data->surface.clip_rect;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	580
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	581 status = SDL_FillRect(&data->surface, &real_rect, color);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	582
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	583 data->renderer->UnlockTexture(data->renderer,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	584 data->texture[data->current_texture]);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	585 return status;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	589 SW_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	590 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591 {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	592 SW_RenderData data = (SW_RenderData ) renderer->driverdata;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	594 int status;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	595
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	596 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	597 SDL_AddDirtyRect(&data->dirty, dstrect);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	598 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	600 if (data->renderer->
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	601 LockTexture(data->renderer, data->texture[data->current_texture],
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	602 dstrect, 1, &data->surface.pixels,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	603 &data->surface.pitch) < 0) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	604 return -1;
1897 c2a27da60b18 Solved the performance problems by introducing the concept of a single-buffered Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	605 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	608 status =
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	609 SDL_SW_CopyYUVToRGB((SDL_SW_YUVTexture *) texture->driverdata,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	610 srcrect, data->format, dstrect->w, dstrect->h,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	611 data->surface.pixels, data->surface.pitch);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613 SDL_Surface surface = (SDL_Surface ) texture->driverdata;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	614 SDL_RenderCopyFunc copyfunc = (SDL_RenderCopyFunc) surface->userdata;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	615
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	616 if (copyfunc) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	617 SDL_RenderCopyData copydata;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	619 copydata.src =
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	620 (Uint8 ) surface->pixels + srcrect->y surface->pitch +
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	621 srcrect->x * surface->format->BytesPerPixel;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	622 copydata.src_w = srcrect->w;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	623 copydata.src_h = srcrect->h;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	624 copydata.src_pitch = surface->pitch;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	625 copydata.dst = (Uint8 *) data->surface.pixels;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	626 copydata.dst_w = dstrect->w;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	627 copydata.dst_h = dstrect->h;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	628 copydata.dst_pitch = data->surface.pitch;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	629 copydata.flags = 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	630 if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	631 copydata.flags \|= SDL_RENDERCOPY_MODULATE_COLOR;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	632 copydata.r = texture->r;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	633 copydata.g = texture->g;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	634 copydata.b = texture->b;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	635 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	636 if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	637 copydata.flags \|= SDL_RENDERCOPY_MODULATE_ALPHA;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	638 copydata.a = texture->a;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	639 }
1989 5b5f5de5433f Optimized the copy blitters a little bit Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	640 if (texture->blendMode & SDL_TEXTUREBLENDMODE_MASK) {
5b5f5de5433f Optimized the copy blitters a little bit Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	641 copydata.flags \|= SDL_RENDERCOPY_MASK;
5b5f5de5433f Optimized the copy blitters a little bit Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	642 } else if (texture->blendMode & SDL_TEXTUREBLENDMODE_BLEND) {
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	643 copydata.flags \|= SDL_RENDERCOPY_BLEND;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	644 } else if (texture->blendMode & SDL_TEXTUREBLENDMODE_ADD) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	645 copydata.flags \|= SDL_RENDERCOPY_ADD;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	646 } else if (texture->blendMode & SDL_TEXTUREBLENDMODE_MOD) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	647 copydata.flags \|= SDL_RENDERCOPY_MOD;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	648 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	649 if (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	650 copydata.flags \|= SDL_RENDERCOPY_NEAREST;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	651 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	652 status = copyfunc(&copydata);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653 } else {
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	654 SDL_Rect real_srcrect = *srcrect;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	655 SDL_Rect real_dstrect;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	656
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	657 data->surface.w = dstrect->w;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	658 data->surface.h = dstrect->h;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	659 data->surface.clip_rect.w = dstrect->w;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	660 data->surface.clip_rect.h = dstrect->h;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	661 real_dstrect = data->surface.clip_rect;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	662
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	663 status =
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	664 SDL_LowerBlit(surface, &real_srcrect, &data->surface,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	665 &real_dstrect);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	666 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667 }
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	668 data->renderer->UnlockTexture(data->renderer,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	669 data->texture[data->current_texture]);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	670 return status;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	671 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	672
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 static void
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	674 SW_RenderPresent(SDL_Renderer * renderer)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675 {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	676 SW_RenderData data = (SW_RenderData ) renderer->driverdata;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	677 SDL_Texture *texture = data->texture[data->current_texture];
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	679 /* Send the data to the display */
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	680 if (data->renderer->info.flags & SDL_RENDERER_PRESENTCOPY) {
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	681 SDL_DirtyRect *dirty;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	682 for (dirty = data->dirty.list; dirty; dirty = dirty->next) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	683 data->renderer->RenderCopy(data->renderer, texture, &dirty->rect,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	684 &dirty->rect);
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	685 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	686 SDL_ClearDirtyRects(&data->dirty);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	687 } else {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	688 SDL_Rect rect;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	689 rect.x = 0;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	690 rect.y = 0;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	691 rect.w = texture->w;
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	692 rect.h = texture->h;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1972 diff changeset	693 data->renderer->RenderCopy(data->renderer, texture, &rect, &rect);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	694 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	695 data->renderer->RenderPresent(data->renderer);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	696
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697 /* Update the flipping chain, if any */
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	698 if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	699 data->current_texture = (data->current_texture + 1) % 2;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1930 diff changeset	700 } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	701 data->current_texture = (data->current_texture + 1) % 3;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	705 static void
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	706 SW_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	707 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 SDL_SW_DestroyYUVTexture((SDL_SW_YUVTexture *) texture->driverdata);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 SDL_Surface surface = (SDL_Surface ) texture->driverdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 SDL_FreeSurface(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 static void
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	718 SW_DestroyRenderer(SDL_Renderer * renderer)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: 1907 diff changeset	720 SW_RenderData data = (SW_RenderData ) renderer->driverdata;
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	721 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	722 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723 int i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	724
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 if (data) {
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	726 for (i = 0; i < SDL_arraysize(data->texture); ++i) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	727 if (data->texture[i]) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	728 DestroyTexture(data->renderer, data->texture[i]);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	730 }
1907 06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	731 if (data->surface.format) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	732 SDL_SetSurfacePalette(&data->surface, NULL);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	733 SDL_FreeFormat(data->surface.format);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	734 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	735 if (display->palette) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	736 SDL_DelPaletteWatch(display->palette, DisplayPaletteChanged,
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	737 data);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	738 }
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	739 if (data->renderer) {
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	740 data->renderer->DestroyRenderer(data->renderer);
06c27a737b7a Streamlined the API a bit and optimized the software renderer. Sam Lantinga <slouken@libsdl.org> parents: 1897 diff changeset	741 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	742 SDL_FreeDirtyRects(&data->dirty);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	743 SDL_free(data);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745 SDL_free(renderer);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	747
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_renderer_sw.c @ 2094:7ba4a732e3d0