sdl-ios-xcode: src/video/SDL_renderer

annotate src/video/SDL_renderer_gl.c @ 2835:f38257b5d936

Initial pixel shader support for YUV textures in the GL renderer. This work is not complete yet!

author	Ryan C. Gordon <icculus@icculus.org>
date	Sat, 06 Dec 2008 00:56:47 +0000
parents	c2e182a37f5f
children	b128b94ed31e

rev	line source
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	24 #if SDL_VIDEO_RENDER_OGL
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: 1919 diff changeset	25
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: 1919 diff changeset	26 #include "SDL_video.h"
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: 1919 diff changeset	27 #include "SDL_opengl.h"
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: 1919 diff changeset	28 #include "SDL_sysvideo.h"
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: 1919 diff changeset	29 #include "SDL_pixels_c.h"
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: 1919 diff changeset	30 #include "SDL_rect_c.h"
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: 1919 diff changeset	31 #include "SDL_yuv_sw_c.h"
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32
2246 75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	33 #ifdef __MACOSX__
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	34 #include <OpenGL/OpenGL.h>
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	35 #endif
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	36
2778 38dfc890ee6b Preliminary support for YUV textures Sam Lantinga <slouken@libsdl.org> parents: 2328 diff changeset	37
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 /* OpenGL renderer implementation */
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	40 /* Details on optimizing the texture path on Mac OS X:
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	41 http://developer.apple.com/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_texturedata/chapter_10_section_2.html
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	42 */
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	43
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	44 /* !!! FIXME: this should go in a higher level than the GL renderer. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	45 static __inline__ int
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	46 bytes_per_pixel(const Uint32 format)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	47 {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	48 switch (format) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	49 case SDL_PIXELFORMAT_UYVY:
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	50 /* !!! FIXME: other YUV formats here... */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	51 return 2;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	52 default:
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	53 return SDL_BYTESPERPIXEL(format);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	54 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	55 return -1; /* shouldn't ever hit this. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	56 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	57
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	58
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	59 static const float inv255f = 1.0f / 255.0f;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	60
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 static SDL_Renderer GL_CreateRenderer(SDL_Window window, Uint32 flags);
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	62 static int GL_ActivateRenderer(SDL_Renderer * renderer);
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	63 static int GL_DisplayModeChanged(SDL_Renderer * renderer);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	65 static int GL_QueryTexturePixels(SDL_Renderer * renderer,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	66 SDL_Texture * texture, void **pixels,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	67 int *pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 static int GL_SetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 const SDL_Color * colors, int firstcolor,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 int ncolors);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 static int GL_GetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 SDL_Texture * texture, SDL_Color * colors,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 int firstcolor, int ncolors);
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	75 static int GL_SetTextureColorMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	76 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	77 static int GL_SetTextureAlphaMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	78 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	79 static int GL_SetTextureBlendMode(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	80 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	81 static int GL_SetTextureScaleMode(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	82 SDL_Texture * texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 const SDL_Rect * rect, const void *pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 int pitch);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	87 const SDL_Rect * rect, int markDirty, void **pixels,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	88 int *pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 int numrects, const SDL_Rect * rects);
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	92 static int GL_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	93 Uint8 a, const SDL_Rect * rect);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	95 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 static void GL_RenderPresent(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 static void GL_DestroyRenderer(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 SDL_RenderDriver GL_RenderDriver = {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 GL_CreateRenderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 "opengl",
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	105 (SDL_RENDERER_SINGLEBUFFER \| SDL_RENDERER_PRESENTDISCARD \|
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	106 SDL_RENDERER_PRESENTVSYNC \| SDL_RENDERER_ACCELERATED),
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	107 (SDL_TEXTUREMODULATE_NONE \| SDL_TEXTUREMODULATE_COLOR \|
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	108 SDL_TEXTUREMODULATE_ALPHA),
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	109 (SDL_TEXTUREBLENDMODE_NONE \| SDL_TEXTUREBLENDMODE_MASK \|
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	110 SDL_TEXTUREBLENDMODE_BLEND \| SDL_TEXTUREBLENDMODE_ADD \|
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	111 SDL_TEXTUREBLENDMODE_MOD),
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	112 (SDL_TEXTURESCALEMODE_NONE \| SDL_TEXTURESCALEMODE_FAST \|
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	113 SDL_TEXTURESCALEMODE_SLOW),
2813 49243a6e9ff1 Removed the hacky stuff for YUV OpenGL textures, since Ryan's pixel shader code Sam Lantinga <slouken@libsdl.org> parents: 2812 diff changeset	114 15,
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	116 SDL_PIXELFORMAT_INDEX1LSB,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	117 SDL_PIXELFORMAT_INDEX1MSB,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	118 SDL_PIXELFORMAT_INDEX8,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	119 SDL_PIXELFORMAT_RGB332,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	120 SDL_PIXELFORMAT_RGB444,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	121 SDL_PIXELFORMAT_RGB555,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	122 SDL_PIXELFORMAT_ARGB4444,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	123 SDL_PIXELFORMAT_ARGB1555,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	124 SDL_PIXELFORMAT_RGB565,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	125 SDL_PIXELFORMAT_RGB24,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	126 SDL_PIXELFORMAT_BGR24,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	127 SDL_PIXELFORMAT_RGB888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	128 SDL_PIXELFORMAT_BGR888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	129 SDL_PIXELFORMAT_ARGB8888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	130 SDL_PIXELFORMAT_ABGR8888,
2813 49243a6e9ff1 Removed the hacky stuff for YUV OpenGL textures, since Ryan's pixel shader code Sam Lantinga <slouken@libsdl.org> parents: 2812 diff changeset	131 SDL_PIXELFORMAT_ARGB2101010},
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 0,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 0}
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 };
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 typedef struct
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 SDL_GLContext context;
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	139 SDL_bool updateSize;
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	140 SDL_bool GL_ARB_texture_rectangle_supported;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	141 SDL_bool GL_EXT_paletted_texture_supported;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	142 SDL_bool GL_ARB_fragment_program_supported;
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	143 int blendMode;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	144 int scaleMode;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	145
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	146 /* OpenGL functions */
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	147 #define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	148 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	149 #undef SDL_PROC
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	150
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	151 PFNGLCOLORTABLEEXTPROC glColorTableEXT;
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	152 void (*glTextureRangeAPPLE) (GLenum target, GLsizei length,
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	153 const GLvoid * pointer);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	154
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	155 PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	156 PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	157 PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	158 PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	159 PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	160 PFNGLBINDPROGRAMARBPROC glBindProgramARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	161 PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	162
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	163 /* (optional) fragment programs */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	164 GLuint fragment_program_UYVY;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 } GL_RenderData;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 typedef struct
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 GLuint texture;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	170 GLuint shader;
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: 1919 diff changeset	171 GLenum type;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 GLfloat texw;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 GLfloat texh;
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: 1919 diff changeset	174 GLenum format;
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: 1919 diff changeset	175 GLenum formattype;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	176 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 void *pixels;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 int pitch;
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: 1919 diff changeset	179 SDL_DirtyRectList dirty;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 } GL_TextureData;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	183 static void
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	184 GL_SetError(const char *prefix, GLenum result)
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	185 {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	186 const char *error;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	187
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	188 switch (result) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	189 case GL_NO_ERROR:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	190 error = "GL_NO_ERROR";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	191 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	192 case GL_INVALID_ENUM:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	193 error = "GL_INVALID_ENUM";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	194 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	195 case GL_INVALID_VALUE:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	196 error = "GL_INVALID_VALUE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	197 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	198 case GL_INVALID_OPERATION:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	199 error = "GL_INVALID_OPERATION";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	200 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	201 case GL_STACK_OVERFLOW:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	202 error = "GL_STACK_OVERFLOW";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	203 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	204 case GL_STACK_UNDERFLOW:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	205 error = "GL_STACK_UNDERFLOW";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	206 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	207 case GL_OUT_OF_MEMORY:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	208 error = "GL_OUT_OF_MEMORY";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	209 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	210 case GL_TABLE_TOO_LARGE:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	211 error = "GL_TABLE_TOO_LARGE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	212 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	213 default:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	214 error = "UNKNOWN";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	215 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	216 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	217 SDL_SetError("%s: %s", prefix, error);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	218 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	219
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	220 static int
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	221 GL_LoadFunctions(GL_RenderData * data)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	222 {
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	223 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	224 #define __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	225 #elif defined(__MINT__)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	226 #define __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	227 #endif
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	228 #ifdef __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	229 #define SDL_PROC(ret,func,params) data->func=func;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	230 #else
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	231 #define SDL_PROC(ret,func,params) \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	232 do { \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	233 data->func = SDL_GL_GetProcAddress(#func); \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	234 if ( ! data->func ) { \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	235 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	236 return -1; \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	237 } \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	238 } while ( 0 );
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	239 #endif /* __SDL_NOGETPROCADDR__ */
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	240
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	241 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	242 #undef SDL_PROC
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	243 return 0;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	244 }
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	245
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 GL_AddRenderDriver(_THIS)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 {
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: 1919 diff changeset	249 if (_this->GL_CreateContext) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 SDL_AddRenderDriver(0, &GL_RenderDriver);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 SDL_Renderer *
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 GL_CreateRenderer(SDL_Window * window, Uint32 flags)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 GL_RenderData *data;
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	259 GLint value;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	260 int doublebuffer;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	262 /* Render directly to the window, unless we're compositing */
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	263 #ifndef __MACOSX__
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	264 if (flags & SDL_RENDERER_SINGLEBUFFER) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	265 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	266 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	267 #endif
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 if (!(window->flags & SDL_WINDOW_OPENGL)) {
1928 861bc36f0ab3 Fixed crash with multiple windows Sam Lantinga <slouken@libsdl.org> parents: 1927 diff changeset	269 if (SDL_RecreateWindow(window, window->flags \| SDL_WINDOW_OPENGL) < 0) {
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	270 return NULL;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	271 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273
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: 1919 diff changeset	274 renderer = (SDL_Renderer ) SDL_calloc(1, sizeof(renderer));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 if (!renderer) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279
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: 1919 diff changeset	280 data = (GL_RenderData ) SDL_calloc(1, sizeof(data));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	287 renderer->ActivateRenderer = GL_ActivateRenderer;
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	288 renderer->DisplayModeChanged = GL_DisplayModeChanged;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 renderer->CreateTexture = GL_CreateTexture;
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	290 renderer->QueryTexturePixels = GL_QueryTexturePixels;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 renderer->SetTexturePalette = GL_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 renderer->GetTexturePalette = GL_GetTexturePalette;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	293 renderer->SetTextureColorMod = GL_SetTextureColorMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	294 renderer->SetTextureAlphaMod = GL_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	295 renderer->SetTextureBlendMode = GL_SetTextureBlendMode;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	296 renderer->SetTextureScaleMode = GL_SetTextureScaleMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 renderer->UpdateTexture = GL_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 renderer->LockTexture = GL_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 renderer->UnlockTexture = GL_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 renderer->DirtyTexture = GL_DirtyTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 renderer->RenderFill = GL_RenderFill;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 renderer->RenderCopy = GL_RenderCopy;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 renderer->info = GL_RenderDriver.info;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 renderer->window = window->id;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 renderer->info.flags =
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	311 (SDL_RENDERER_PRESENTDISCARD \| SDL_RENDERER_ACCELERATED);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	313 if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	314 GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	315 return NULL;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	316 }
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	317
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 data->context = SDL_GL_CreateContext(window->id);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 }
2246 75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	327 #ifdef __MACOSX__
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	328 /* Enable multi-threaded rendering */
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	329 /* Disabled until Ryan finishes his VBO/PBO code...
2295 dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	330 CGLEnable(CGLGetCurrentContext(), kCGLCEMPEngine);
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	331 */
2246 75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	332 #endif
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	333
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	334 if (flags & SDL_RENDERER_PRESENTVSYNC) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 } else {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 if (SDL_GL_GetSwapInterval() > 0) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	340 renderer->info.flags \|= SDL_RENDERER_PRESENTVSYNC;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	343 if (SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &doublebuffer) == 0) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	344 if (!doublebuffer) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	345 renderer->info.flags \|= SDL_RENDERER_SINGLEBUFFER;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	346 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	347 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	348
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	349 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	350 renderer->info.max_texture_width = value;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	351 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	352 renderer->info.max_texture_height = value;
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: 1919 diff changeset	353
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	354 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	355 \|\| SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	356 data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	357 }
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	358 if (SDL_GL_ExtensionSupported("GL_EXT_paletted_texture")) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	359 data->GL_EXT_paletted_texture_supported = SDL_TRUE;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	360 data->glColorTableEXT =
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	361 (PFNGLCOLORTABLEEXTPROC) SDL_GL_GetProcAddress("glColorTableEXT");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	362 } else {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	363 /* Don't advertise support for 8-bit indexed texture format */
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	364 Uint32 i, j;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	365 SDL_RendererInfo *info = &renderer->info;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	366 for (i = 0, j = 0; i < info->num_texture_formats; ++i) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	367 if (info->texture_formats[i] != SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	368 info->texture_formats[j++] = info->texture_formats[i];
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	369 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	370 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	371 --info->num_texture_formats;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	372 }
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	373 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	374 data->glTextureRangeAPPLE =
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	375 (void ()(GLenum, GLsizei, const GLvoid ))
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	376 SDL_GL_GetProcAddress("glTextureRangeAPPLE");
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	377 }
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: 1919 diff changeset	378
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	379 /* we might use fragment programs for YUV data, etc. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	380 if (SDL_GL_ExtensionSupported("GL_ARB_fragment_program")) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	381 /* !!! FIXME: this doesn't check for errors. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	382 /* !!! FIXME: this should really reuse the glfuncs.h stuff. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	383 data->glGetProgramivARB = (PFNGLGETPROGRAMIVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	384 SDL_GL_GetProcAddress("glGetProgramivARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	385 data->glGetProgramStringARB = (PFNGLGETPROGRAMSTRINGARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	386 SDL_GL_GetProcAddress("glGetProgramStringARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	387 data->glProgramLocalParameter4fvARB =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	388 (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	389 SDL_GL_GetProcAddress("glProgramLocalParameter4fvARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	390 data->glDeleteProgramsARB = (PFNGLDELETEPROGRAMSARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	391 SDL_GL_GetProcAddress("glDeleteProgramsARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	392 data->glGenProgramsARB = (PFNGLGENPROGRAMSARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	393 SDL_GL_GetProcAddress("glGenProgramsARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	394 data->glBindProgramARB = (PFNGLBINDPROGRAMARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	395 SDL_GL_GetProcAddress("glBindProgramARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	396 data->glProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	397 SDL_GL_GetProcAddress("glProgramStringARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	398 data->GL_ARB_fragment_program_supported = SDL_TRUE;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	399 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	400
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 /* Set up parameters for rendering */
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	402 data->blendMode = -1;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	403 data->scaleMode = -1;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	404 data->glDisable(GL_DEPTH_TEST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	405 data->glDisable(GL_CULL_FACE);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	406 if (data->GL_ARB_texture_rectangle_supported) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	407 data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	408 } else {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	409 data->glEnable(GL_TEXTURE_2D);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	410 }
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	411 data->updateSize = SDL_TRUE;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 return renderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	416 static int
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	417 GL_ActivateRenderer(SDL_Renderer * renderer)
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	418 {
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	419 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	420 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	421
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	422 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	423 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	424 }
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	425 if (data->updateSize) {
c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	426 GL_DisplayModeChanged(renderer);
c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	427 data->updateSize = SDL_FALSE;
c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	428 }
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	429 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	430 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	431
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	432 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	433 GL_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	434 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	435 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
2832 0379769e8caa The matrices have already been set, so you don't have to re-set them. Sam Lantinga <slouken@libsdl.org> parents: 2813 diff changeset	436 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	437
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	438 data->glMatrixMode(GL_PROJECTION);
c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	439 data->glLoadIdentity();
c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	440 data->glMatrixMode(GL_MODELVIEW);
c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	441 data->glLoadIdentity();
2832 0379769e8caa The matrices have already been set, so you don't have to re-set them. Sam Lantinga <slouken@libsdl.org> parents: 2813 diff changeset	442 data->glViewport(0, 0, window->w, window->h);
0379769e8caa The matrices have already been set, so you don't have to re-set them. Sam Lantinga <slouken@libsdl.org> parents: 2813 diff changeset	443 data->glOrtho(0.0, (GLdouble) window->w, (GLdouble) window->h, 0.0, 0.0,
0379769e8caa The matrices have already been set, so you don't have to re-set them. Sam Lantinga <slouken@libsdl.org> parents: 2813 diff changeset	444 1.0);
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	445 return 0;
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	446 }
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	447
1922 4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	448 static __inline__ int
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	449 power_of_2(int input)
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	450 {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	451 int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	452
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	453 while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	454 value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	455 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	456 return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	457 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	458
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	459
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	460 #define DEBUG_PROGRAM_COMPILE 1
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	461
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	462 static GLuint
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	463 compile_shader(GL_RenderData data, GLenum shader_type, const char source)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	464 {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	465 #if DEBUG_PROGRAM_COMPILE
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	466 printf("compiling shader:\n%s\n\n", source);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	467 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	468
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	469 GLuint program = 0;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	470
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	471 data->glGetError(); /* flush any existing error state. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	472 data->glGenProgramsARB(1, &program);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	473 data->glBindProgramARB(shader_type, program);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	474 data->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	475 SDL_strlen(source), source);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	476
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	477 if (data->glGetError() == GL_INVALID_OPERATION)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	478 {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	479 #if DEBUG_PROGRAM_COMPILE
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	480 GLint pos = 0;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	481 const GLubyte *errstr;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	482 data->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	483 errstr = data->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	484 printf("program compile error at position %d: %s\n\n",
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	485 (int) pos, (const char *) errstr);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	486 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	487 data->glBindProgramARB(shader_type, 0);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	488 data->glDeleteProgramsARB(1, &program);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	489 return 0;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	490 } // if
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	491
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	492 return program;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	493 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	494
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	495 // UYVY to RGB equasion...
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	496 // R = 1.164(Y-16) + 1.596(Cr-128)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	497 // G = 1.164(Y-16) - 0.813(Cr-128) - 0.391(Cb-128)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	498 // B = 1.164(Y-16) + 2.018(Cb-128)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	499 // Byte layout is Cb, Y1, Cr, Y2.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	500 // 4 bytes == 2 pixels: Y1/Cb/Cr, Y2/Cb/Cr
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	501 // !!! FIXME: this ignores blendmodes, etc.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	502 // !!! FIXME: this could be more efficient...use a dot product for green, not convert to 255.0 range, etc.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	503 static const char *fragment_program_UYVY_source_code =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	504 "!!ARBfp1.0\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	505
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	506 // outputs...
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	507 "OUTPUT outcolor = result.color;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	508
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	509 // scratch registers...
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	510 "TEMP uyvy;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	511 "TEMP luminance;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	512 "TEMP work;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	513
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	514 // We need 32 bits to store the data, but each pixel is 16 bits in itself.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	515 // halve the coordinates to grab the correct 32 bits for the fragment.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	516 "MUL work, fragment.texcoord, { 0.5, 1.0, 1.0, 1.0 };\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	517
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	518 // Sample the YUV texture. Cb, Y1, Cr, Y2, are stored in r,g,b,a.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	519 // !!! FIXME: "RECT" needs to be "2D" if we're not using texture_rectangle extension. :/
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	520 "TEX uyvy, work, texture[0], RECT;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	521
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	522 // Scale from 0.0/1.0 to 0.0/255.0 and do subtractions. (!!! FIXME: optimize!)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	523 "MUL uyvy, uyvy, { 255.0, 255.0, 255.0, 255.0 };\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	524 "SUB uyvy, uyvy, { 128.0, 16.0, 128.0, 16.0 };\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	525
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	526 // Choose the luminance component by texcoord.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	527 // !!! FIXME: laziness wins out for now... just average Y1 and Y2.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	528 "ADD luminance, uyvy.yyyy, uyvy.wwww;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	529 "MUL luminance, luminance, { 0.5, 0.5, 0.5, 0.5 };\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	530
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	531 // Multiply luminance by its magic value.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	532 "MUL luminance, luminance, { 1.164, 1.164, 1.164, 1.164 };\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	533
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	534 // uyvy.xyzw becomes Cr/Cr/Cb/Cb, with multiplications.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	535 "MUL uyvy, uyvy.zzxx, { 1.596, -0.813, 2.018, -0.391 };\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	536
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	537 // Add luminance Cr and Cb, store to RGB channels.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	538 "ADD work.rgb, luminance, uyvy;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	539
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	540 // Do final addition for Green channel. (!!! FIXME: this should be a DPH?)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	541 "ADD work.g, work.g, uyvy.w;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	542
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	543 // Scale back to 0.0/1.0. (this number is 1.0/255.0).
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	544 "MUL work, work, { 0.0039215686274509803, 0.0039215686274509803, 0.0039215686274509803, 0.0039215686274509803 };\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	545
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	546 // Make sure alpha channel is fully opaque. (!!! FIXME: blend modes!)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	547 "MOV work.a, { 1.0 };\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	548
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	549 // Store out the final fragment color.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	550 "MOV outcolor, work;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	551
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	552 // ...and we're done.
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	553 "END\n";
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	554
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	555
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561 GL_TextureData *data;
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: 1919 diff changeset	562 GLint internalFormat;
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: 1919 diff changeset	563 GLenum format, type;
1922 4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	564 int texture_w, texture_h;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	565 GLuint shader = 0;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	566 GLenum result;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567
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: 1919 diff changeset	568 switch (texture->format) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	569 case SDL_PIXELFORMAT_INDEX1LSB:
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	570 case SDL_PIXELFORMAT_INDEX1MSB:
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: 1919 diff changeset	571 internalFormat = GL_RGB;
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: 1919 diff changeset	572 format = GL_COLOR_INDEX;
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: 1919 diff changeset	573 type = GL_BITMAP;
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: 1919 diff changeset	574 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	575 case SDL_PIXELFORMAT_INDEX8:
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	576 if (!renderdata->GL_EXT_paletted_texture_supported) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	577 SDL_SetError("Unsupported texture format");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	578 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	579 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	580 internalFormat = GL_COLOR_INDEX8_EXT;
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: 1919 diff changeset	581 format = GL_COLOR_INDEX;
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: 1919 diff changeset	582 type = GL_UNSIGNED_BYTE;
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: 1919 diff changeset	583 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	584 case SDL_PIXELFORMAT_RGB332:
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: 1919 diff changeset	585 internalFormat = GL_R3_G3_B2;
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: 1919 diff changeset	586 format = GL_RGB;
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: 1919 diff changeset	587 type = GL_UNSIGNED_BYTE_3_3_2;
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: 1919 diff changeset	588 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	589 case SDL_PIXELFORMAT_RGB444:
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: 1919 diff changeset	590 internalFormat = GL_RGB4;
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: 1919 diff changeset	591 format = GL_RGB;
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: 1919 diff changeset	592 type = GL_UNSIGNED_SHORT_4_4_4_4;
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: 1919 diff changeset	593 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	594 case SDL_PIXELFORMAT_RGB555:
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: 1919 diff changeset	595 internalFormat = GL_RGB5;
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: 1919 diff changeset	596 format = GL_RGB;
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: 1919 diff changeset	597 type = GL_UNSIGNED_SHORT_5_5_5_1;
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: 1919 diff changeset	598 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	599 case SDL_PIXELFORMAT_ARGB4444:
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: 1919 diff changeset	600 internalFormat = GL_RGBA4;
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: 1919 diff changeset	601 format = GL_BGRA;
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: 1919 diff changeset	602 type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
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: 1919 diff changeset	603 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	604 case SDL_PIXELFORMAT_ARGB1555:
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: 1919 diff changeset	605 internalFormat = GL_RGB5_A1;
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: 1919 diff changeset	606 format = GL_BGRA;
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: 1919 diff changeset	607 type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
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: 1919 diff changeset	608 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	609 case SDL_PIXELFORMAT_RGB565:
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: 1919 diff changeset	610 internalFormat = GL_RGB8;
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: 1919 diff changeset	611 format = GL_RGB;
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: 1919 diff changeset	612 type = GL_UNSIGNED_SHORT_5_6_5;
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: 1919 diff changeset	613 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	614 case SDL_PIXELFORMAT_RGB24:
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: 1919 diff changeset	615 internalFormat = GL_RGB8;
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: 1919 diff changeset	616 format = GL_RGB;
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: 1919 diff changeset	617 type = GL_UNSIGNED_BYTE;
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: 1919 diff changeset	618 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	619 case SDL_PIXELFORMAT_RGB888:
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: 1919 diff changeset	620 internalFormat = GL_RGB8;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	621 format = GL_BGRA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	622 type = GL_UNSIGNED_BYTE;
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: 1919 diff changeset	623 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	624 case SDL_PIXELFORMAT_BGR24:
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: 1919 diff changeset	625 internalFormat = GL_RGB8;
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: 1919 diff changeset	626 format = GL_BGR;
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: 1919 diff changeset	627 type = GL_UNSIGNED_BYTE;
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: 1919 diff changeset	628 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	629 case SDL_PIXELFORMAT_BGR888:
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: 1919 diff changeset	630 internalFormat = GL_RGB8;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	631 format = GL_RGBA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	632 type = GL_UNSIGNED_BYTE;
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: 1919 diff changeset	633 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	634 case SDL_PIXELFORMAT_ARGB8888:
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	635 #ifdef __MACOSX__
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	636 internalFormat = GL_RGBA;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	637 format = GL_BGRA;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	638 type = GL_UNSIGNED_INT_8_8_8_8_REV;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	639 #else
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: 1919 diff changeset	640 internalFormat = GL_RGBA8;
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: 1919 diff changeset	641 format = GL_BGRA;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	642 type = GL_UNSIGNED_BYTE;
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	643 #endif
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: 1919 diff changeset	644 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	645 case SDL_PIXELFORMAT_ABGR8888:
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: 1919 diff changeset	646 internalFormat = GL_RGBA8;
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: 1919 diff changeset	647 format = GL_RGBA;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	648 type = GL_UNSIGNED_BYTE;
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: 1919 diff changeset	649 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	650 case SDL_PIXELFORMAT_ARGB2101010:
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: 1919 diff changeset	651 internalFormat = GL_RGB10_A2;
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: 1919 diff changeset	652 format = GL_BGRA;
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: 1919 diff changeset	653 type = GL_UNSIGNED_INT_2_10_10_10_REV;
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: 1919 diff changeset	654 break;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	655 case SDL_PIXELFORMAT_UYVY:
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	656 if (renderdata->GL_ARB_fragment_program_supported) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	657 if (renderdata->fragment_program_UYVY == 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	658 renderdata->fragment_program_UYVY =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	659 compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB,
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	660 fragment_program_UYVY_source_code);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	661 if (renderdata->fragment_program_UYVY == 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	662 SDL_SetError("Fragment program compile error");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	663 return -1;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	664 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	665 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	666 shader = renderdata->fragment_program_UYVY;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	667 internalFormat = GL_RGBA;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	668 format = GL_RGBA;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	669 type = GL_UNSIGNED_BYTE;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	670 } else {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	671 SDL_SetError("Unsupported texture format");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	672 return -1;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	673 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	674 break;
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: 1919 diff changeset	675 default:
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: 1919 diff changeset	676 SDL_SetError("Unsupported texture format");
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: 1919 diff changeset	677 return -1;
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: 1919 diff changeset	678 }
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: 1919 diff changeset	679
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: 1919 diff changeset	680 data = (GL_TextureData ) SDL_calloc(1, sizeof(data));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	681 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683 return -1;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	684 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	686 data->shader = shader;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	687
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	688 if (texture->format == SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	689 data->palette = (Uint8 ) SDL_malloc(3 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	690 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	691 SDL_OutOfMemory();
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	692 SDL_free(data);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	693 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	694 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	695 SDL_memset(data->palette, 0xFF, 3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	696 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	697
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	698 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	699 data->pitch = texture->w * bytes_per_pixel(texture->format);
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	700 data->pixels = SDL_malloc(texture->h * data->pitch);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	701 if (!data->pixels) {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	702 SDL_OutOfMemory();
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	703 SDL_free(data);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	704 return -1;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	705 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	706 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	707
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	710 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	711 renderdata->glGenTextures(1, &data->texture);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	712 if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	713 data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	714 texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	715 texture_h = texture->h;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	716 data->texw = (GLfloat) texture_w;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	717 data->texh = (GLfloat) texture_h;
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	718 } else {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	719 data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	720 texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	721 texture_h = power_of_2(texture->h);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	722 data->texw = (GLfloat) (texture->w) / texture_w;
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	723 data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	724 }
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	725
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: 1919 diff changeset	726 data->format = format;
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: 1919 diff changeset	727 data->formattype = type;
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	728 renderdata->glBindTexture(data->type, data->texture);
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	729 renderdata->glTexParameteri(data->type, GL_TEXTURE_MIN_FILTER,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	730 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	731 renderdata->glTexParameteri(data->type, GL_TEXTURE_MAG_FILTER,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	732 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	733 renderdata->glTexParameteri(data->type, GL_TEXTURE_WRAP_S,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	734 GL_CLAMP_TO_EDGE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	735 renderdata->glTexParameteri(data->type, GL_TEXTURE_WRAP_T,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	736 GL_CLAMP_TO_EDGE);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	737 #if 0 //def __MACOSX__
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	738 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	739 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	740 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	741 #ifndef STORAGE_CACHED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	742 #define STORAGE_CACHED_APPLE 0x85BE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	743 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	744 #ifndef STORAGE_SHARED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	745 #define STORAGE_SHARED_APPLE 0x85BF
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	746 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	747 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	748 renderdata->glTexParameteri(data->type, GL_TEXTURE_STORAGE_HINT_APPLE,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	749 GL_STORAGE_SHARED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	750 } else {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	751 renderdata->glTexParameteri(data->type, GL_TEXTURE_STORAGE_HINT_APPLE,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	752 GL_STORAGE_CACHED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	753 }
2809 7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	754 /* This causes a crash in testoverlay for some reason. Apple bug? */
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	755 #if 0
2295 dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	756 if (texture->access == SDL_TEXTUREACCESS_STREAMING
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	757 && texture->format == SDL_PIXELFORMAT_ARGB8888) {
2237 e57a883ffa86 Advertise the most efficient format for the screen. Of course SDL code needs Sam Lantinga <slouken@libsdl.org> parents: 2236 diff changeset	758 /*
2295 dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	759 if (renderdata->glTextureRangeAPPLE) {
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	760 renderdata->glTextureRangeAPPLE(data->type,
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	761 texture->h * data->pitch,
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	762 data->pixels);
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	763 }
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	764 */
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	765 renderdata->glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	766 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	767 texture_h, 0, format, type, data->pixels);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	768 } else
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	769 #endif
2809 7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	770 #endif
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	771 {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	772 printf("teximage2d(%d,%d,%d,%d)\n", (int) texture_w, (int) texture_h);
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	773 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	774 texture_h, 0, format, type, NULL);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	775 }
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	776 result = renderdata->glGetError();
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	777 if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	778 GL_SetError("glTexImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	779 return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	780 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	782 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	783
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	784 static int
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	785 GL_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	786 void *pixels, int pitch)
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	787 {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	788 GL_TextureData data = (GL_TextureData ) texture->driverdata;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	789
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	790 *pixels = data->pixels;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	791 *pitch = data->pitch;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	792 return 0;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	793 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	794
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	795 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	796 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	797 const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	798 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	799 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	800 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	801 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	802
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	803 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	804 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	805 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	806 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	807 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	808 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	809 *palette++ = colors->r;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	810 *palette++ = colors->g;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	811 *palette++ = colors->b;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	812 ++colors;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	813 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	814 renderdata->glBindTexture(data->type, data->texture);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	815 renderdata->glColorTableEXT(data->type, GL_RGB8, 256, GL_RGB,
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	816 GL_UNSIGNED_BYTE, data->palette);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	817 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	818 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	819
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	820 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	821 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	822 SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	823 {
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	824 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	825 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	826 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	827
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	828 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	829 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	830 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	831 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	832 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	833 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	834 colors->r = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	835 colors->g = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	836 colors->b = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	837 colors->unused = SDL_ALPHA_OPAQUE;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	838 ++colors;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	839 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	840 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	841 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	842
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	843 static void
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	844 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	845 int pitch)
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	846 {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	847 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	848 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	849 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	850 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	851 }
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	852 renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
2808 368410632f2d Whoops, we need this for subrect updates (testsprite) Sam Lantinga <slouken@libsdl.org> parents: 2804 diff changeset	853 renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH,
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	854 pitch / bytes_per_pixel(texture->format));
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	855 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	856
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	857 static int
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	858 GL_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	859 {
1986 f4c65e3bfaed Cleanup for the last checkin Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	860 return 0;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	861 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	862
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	863 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	864 GL_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	865 {
1986 f4c65e3bfaed Cleanup for the last checkin Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	866 return 0;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	867 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	868
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	869 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	870 GL_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	871 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	872 switch (texture->blendMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	873 case SDL_TEXTUREBLENDMODE_NONE:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	874 case SDL_TEXTUREBLENDMODE_MASK:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	875 case SDL_TEXTUREBLENDMODE_BLEND:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	876 case SDL_TEXTUREBLENDMODE_ADD:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	877 case SDL_TEXTUREBLENDMODE_MOD:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	878 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	879 default:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	880 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	881 texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	882 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	883 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	884 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	885
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	886 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	887 GL_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	888 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	889 switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	890 case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	891 case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	892 case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	893 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	894 case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	895 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	896 texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	897 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	898 default:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	899 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	900 texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	901 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	902 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	903 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	904
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	905 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	906 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	907 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	908 {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	909 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	910 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	911 GLenum result;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	912
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	913 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	914 SetupTextureUpdate(renderdata, texture, pitch);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	915 renderdata->glBindTexture(data->type, data->texture);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	916 printf("texsubimage2d(%d,%d,%d,%d)\n", (int) rect->x, (int) rect->y, (int) rect->w, (int) rect->h);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	917 renderdata->glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	918 rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	919 pixels);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	920 result = renderdata->glGetError();
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	921 if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	922 GL_SetError("glTexSubImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	923 return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	924 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	925 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	926 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	927
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	928 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	929 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	930 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	931 int *pitch)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	932 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	933 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	934
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: 1919 diff changeset	935 if (markDirty) {
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: 1919 diff changeset	936 SDL_AddDirtyRect(&data->dirty, rect);
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: 1919 diff changeset	937 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	938
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: 1919 diff changeset	939 *pixels =
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: 1919 diff changeset	940 (void ) ((Uint8 ) data->pixels + rect->y * data->pitch +
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	941 rect->x * bytes_per_pixel(texture->format));
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: 1919 diff changeset	942 *pitch = data->pitch;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	943 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	944 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	945
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	946 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	947 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	948 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	949 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	950
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	951 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	952 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	953 const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	954 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	955 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	956 int i;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	957
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	958 for (i = 0; i < numrects; ++i) {
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: 1919 diff changeset	959 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	960 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	961 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	962
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	963 static int
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	964 GL_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: 1975 diff changeset	965 const SDL_Rect * rect)
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	966 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	967 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	968 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	969
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	970 data->glClearColor((GLclampf) r * inv255f, (GLclampf) g * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	971 (GLclampf) b * inv255f, (GLclampf) a * inv255f);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	972 data->glViewport(rect->x, window->h - rect->y, rect->w, rect->h);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	973 data->glClear(GL_COLOR_BUFFER_BIT);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	974 data->glViewport(0, 0, window->w, window->h);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	975 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	976 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	977
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	978 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	979 GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	980 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	981 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	982 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	983 GL_TextureData texturedata = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	984 int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	985 GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	986
2275 12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers. Sam Lantinga <slouken@libsdl.org> parents: 2246 diff changeset	987 if (texturedata->dirty.list) {
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: 1919 diff changeset	988 SDL_DirtyRect *dirty;
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: 1919 diff changeset	989 void *pixels;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	990 int bpp = bytes_per_pixel(texture->format);
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: 1919 diff changeset	991 int pitch = texturedata->pitch;
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: 1919 diff changeset	992
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	993 SetupTextureUpdate(data, texture, pitch);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	994 data->glBindTexture(texturedata->type, texturedata->texture);
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: 1919 diff changeset	995 for (dirty = texturedata->dirty.list; dirty; dirty = dirty->next) {
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: 1919 diff changeset	996 SDL_Rect *rect = &dirty->rect;
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: 1919 diff changeset	997 pixels =
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: 1919 diff changeset	998 (void ) ((Uint8 ) texturedata->pixels + rect->y * pitch +
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: 1919 diff changeset	999 rect->x * bpp);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1000 printf("texsubimage2d(%d,%d,%d,%d)\n", (int) rect->x, (int) rect->y, (int) rect->w, (int) rect->h);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1001 data->glTexSubImage2D(texturedata->type, 0, rect->x, rect->y,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1002 rect->w, rect->h, texturedata->format,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1003 texturedata->formattype, pixels);
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: 1919 diff changeset	1004 }
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: 1919 diff changeset	1005 SDL_ClearDirtyRects(&texturedata->dirty);
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: 1919 diff changeset	1006 }
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: 1919 diff changeset	1007
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1008 minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1009 miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1010 maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1011 maxy = dstrect->y + dstrect->h;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1012
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1013 minu = (GLfloat) srcrect->x / texture->w;
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: 1919 diff changeset	1014 minu *= texturedata->texw;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1015 maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
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: 1919 diff changeset	1016 maxu *= texturedata->texw;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1017 minv = (GLfloat) srcrect->y / texture->h;
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: 1919 diff changeset	1018 minv *= texturedata->texh;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1019 maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
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: 1919 diff changeset	1020 maxv *= texturedata->texh;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1021
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1022 data->glBindTexture(texturedata->type, texturedata->texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1023
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1024 if (texture->modMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1025 data->glColor4f((GLfloat) texture->r * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1026 (GLfloat) texture->g * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1027 (GLfloat) texture->b * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1028 (GLfloat) texture->a * inv255f);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1029 } else {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1030 data->glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1031 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1032
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1033 if (texture->blendMode != data->blendMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1034 switch (texture->blendMode) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1035 case SDL_TEXTUREBLENDMODE_NONE:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1036 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1037 data->glDisable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1038 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1039 case SDL_TEXTUREBLENDMODE_MASK:
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1040 case SDL_TEXTUREBLENDMODE_BLEND:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1041 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1042 data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1043 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1044 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1045 case SDL_TEXTUREBLENDMODE_ADD:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1046 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1047 data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1048 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1049 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1050 case SDL_TEXTUREBLENDMODE_MOD:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1051 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1052 data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1053 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1054 break;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1055 }
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1056 data->blendMode = texture->blendMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1057 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1058
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1059 if (texture->scaleMode != data->scaleMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1060 switch (texture->scaleMode) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1061 case SDL_TEXTURESCALEMODE_NONE:
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1062 case SDL_TEXTURESCALEMODE_FAST:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1063 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1064 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1065 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1066 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1067 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1068 case SDL_TEXTURESCALEMODE_SLOW:
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1069 case SDL_TEXTURESCALEMODE_BEST:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1070 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1071 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1072 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1073 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1074 break;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1075 }
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1076 data->scaleMode = texture->scaleMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1077 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1078
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1079 if (texturedata->shader != 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1080 data->glEnable(GL_FRAGMENT_PROGRAM_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1081 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, texturedata->shader);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1082 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1083
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1084 data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1085 data->glTexCoord2f(minu, minv);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1086 data->glVertex2i(minx, miny);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1087 data->glTexCoord2f(maxu, minv);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1088 data->glVertex2i(maxx, miny);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1089 data->glTexCoord2f(minu, maxv);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1090 data->glVertex2i(minx, maxy);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1091 data->glTexCoord2f(maxu, maxv);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1092 data->glVertex2i(maxx, maxy);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1093 data->glEnd();
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1094
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1095 if (texturedata->shader != 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1096 data->glDisable(GL_FRAGMENT_PROGRAM_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1097 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1098 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1099 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1100
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1101 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1102 GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1103 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1104 SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1105 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1106
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1107 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1108 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1109 {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1110 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1111 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1112
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1113 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1114 return;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1115 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1116 if (data->texture) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1117 renderdata->glDeleteTextures(1, &data->texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1118 }
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1119 if (data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1120 SDL_free(data->palette);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1121 }
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: 1919 diff changeset	1122 if (data->pixels) {
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: 1919 diff changeset	1123 SDL_free(data->pixels);
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: 1919 diff changeset	1124 }
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: 1919 diff changeset	1125 SDL_FreeDirtyRects(&data->dirty);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1126 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1127 texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1128 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1129
1975 ccef0d0c40c6 Added resize support for GDI and Direct3D renderers Sam Lantinga <slouken@libsdl.org> parents: 1974 diff changeset	1130 static void
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1131 GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1132 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1133 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1134
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1135 if (data) {
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: 1919 diff changeset	1136 if (data->context) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1137 if (data->GL_ARB_fragment_program_supported) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1138 data->glDisable(GL_FRAGMENT_PROGRAM_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1139 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, 0);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1140 if (data->fragment_program_UYVY != 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1141 data->glDeleteProgramsARB(1, &data->fragment_program_UYVY);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1142 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1143 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1144
2328 91e601d9df8b re: bug#563. checking in some commented out trace code and a fix so that the in testalpha.c the background only flashes when alpha == 255. The problem that is being Bob Pendleton <bob@pendleton.com> parents: 2295 diff changeset	1145 /* SDL_GL_MakeCurrent(0, NULL); // doesn't do anything */
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: 1919 diff changeset	1146 SDL_GL_DeleteContext(data->context);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1147 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1148 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1149 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1150 SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1151 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1152
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	1153 #endif /* SDL_VIDEO_RENDER_OGL */
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1154
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1155 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_renderer_gl.c @ 2835:f38257b5d936