sdl-ios-xcode: src/video/SDL_renderer

annotate src/video/SDL_renderer_gl.c @ 2844:70b63882d2ef

The YCbCr texture extension works now that bytes_per_pixel() returns the correct value for YUV textures. Yay! I'm still cheering for Ryan's pixel shader instead, since once it works different shaders can handle all the YUV formats.

author	Sam Lantinga <slouken@libsdl.org>
date	Sat, 06 Dec 2008 18:37:06 +0000
parents	e919f2e3700d
children	1cc5d5b164e2

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 {
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	48 if (!SDL_ISPIXELFORMAT_FOURCC(format)) {
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	49 return SDL_BYTESPERPIXEL(format);
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	50 }
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	51
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	52 /* FOURCC format */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	53 switch (format) {
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	54 case SDL_PIXELFORMAT_YV12:
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	55 case SDL_PIXELFORMAT_IYUV:
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	56 case SDL_PIXELFORMAT_YUY2:
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	57 case SDL_PIXELFORMAT_UYVY:
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	58 case SDL_PIXELFORMAT_YVYU:
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	59 return 2;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	60 default:
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	61 return 1; /* shouldn't ever hit this. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	62 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	63 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	64
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	65
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	66 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	67
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 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	69 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	70 static int GL_DisplayModeChanged(SDL_Renderer * renderer);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 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	72 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	73 SDL_Texture * texture, void **pixels,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	74 int *pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 static int GL_SetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 const SDL_Color * colors, int firstcolor,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 int ncolors);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 static int GL_GetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 SDL_Texture * texture, SDL_Color * colors,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 int firstcolor, int ncolors);
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	82 static int GL_SetTextureColorMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	83 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	84 static int GL_SetTextureAlphaMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	85 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	86 static int GL_SetTextureBlendMode(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	87 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	88 static int GL_SetTextureScaleMode(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	89 SDL_Texture * texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 const SDL_Rect * rect, const void *pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 int pitch);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 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	94 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	95 int *pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 int numrects, const SDL_Rect * rects);
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	99 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	100 Uint8 a, const SDL_Rect * rect);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 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	102 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 static void GL_RenderPresent(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 static void GL_DestroyRenderer(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 SDL_RenderDriver GL_RenderDriver = {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 GL_CreateRenderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 "opengl",
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	112 (SDL_RENDERER_SINGLEBUFFER \| SDL_RENDERER_PRESENTDISCARD \|
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	113 SDL_RENDERER_PRESENTVSYNC \| SDL_RENDERER_ACCELERATED),
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	114 (SDL_TEXTUREMODULATE_NONE \| SDL_TEXTUREMODULATE_COLOR \|
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	115 SDL_TEXTUREMODULATE_ALPHA),
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	116 (SDL_TEXTUREBLENDMODE_NONE \| SDL_TEXTUREBLENDMODE_MASK \|
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	117 SDL_TEXTUREBLENDMODE_BLEND \| SDL_TEXTUREBLENDMODE_ADD \|
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	118 SDL_TEXTUREBLENDMODE_MOD),
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	119 (SDL_TEXTURESCALEMODE_NONE \| SDL_TEXTURESCALEMODE_FAST \|
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	120 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	121 15,
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	123 SDL_PIXELFORMAT_INDEX1LSB,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	124 SDL_PIXELFORMAT_INDEX1MSB,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	125 SDL_PIXELFORMAT_INDEX8,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	126 SDL_PIXELFORMAT_RGB332,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	127 SDL_PIXELFORMAT_RGB444,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	128 SDL_PIXELFORMAT_RGB555,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	129 SDL_PIXELFORMAT_ARGB4444,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	130 SDL_PIXELFORMAT_ARGB1555,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	131 SDL_PIXELFORMAT_RGB565,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	132 SDL_PIXELFORMAT_RGB24,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	133 SDL_PIXELFORMAT_BGR24,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	134 SDL_PIXELFORMAT_RGB888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	135 SDL_PIXELFORMAT_BGR888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	136 SDL_PIXELFORMAT_ARGB8888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	137 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	138 SDL_PIXELFORMAT_ARGB2101010},
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 0,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 0}
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 };
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 typedef struct
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 SDL_GLContext context;
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	146 SDL_bool updateSize;
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	147 SDL_bool GL_ARB_texture_rectangle_supported;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	148 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	149 SDL_bool GL_ARB_fragment_program_supported;
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	150 int blendMode;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	151 int scaleMode;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	152
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	153 /* OpenGL functions */
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	154 #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	155 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	156 #undef SDL_PROC
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	157
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	158 PFNGLCOLORTABLEEXTPROC glColorTableEXT;
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	159 void (*glTextureRangeAPPLE) (GLenum target, GLsizei length,
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	160 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	161
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	162 PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	163 PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	164 PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	165 PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	166 PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	167 PFNGLBINDPROGRAMARBPROC glBindProgramARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	168 PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	169
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	170 /* (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	171 GLuint fragment_program_UYVY;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 } GL_RenderData;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 typedef struct
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 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	177 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	178 GLenum type;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 GLfloat texw;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 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	181 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	182 GLenum formattype;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	183 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 void *pixels;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 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	186 SDL_DirtyRectList dirty;
2843 e919f2e3700d Fixed the shader fragment problems using 2 byte YUV data in a 4 byte RGB Sam Lantinga <slouken@libsdl.org> parents: 2840 diff changeset	187 int HACK_RYAN_FIXME;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 } GL_TextureData;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190
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	191 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	192 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	193 {
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 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	195
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 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	197 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	198 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	199 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	200 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	201 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	202 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	203 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	204 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	205 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	206 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	207 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	208 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	209 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	210 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	211 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	212 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	213 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	214 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	215 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	216 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	217 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	218 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	219 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	220 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	221 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	222 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	223 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	224 }
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	225 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	226 }
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	227
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	228 static int
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	229 GL_LoadFunctions(GL_RenderData * data)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	230 {
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	231 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	232 #define __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	233 #elif defined(__MINT__)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	234 #define __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	235 #endif
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	236 #ifdef __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	237 #define SDL_PROC(ret,func,params) data->func=func;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	238 #else
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	239 #define SDL_PROC(ret,func,params) \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	240 do { \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	241 data->func = SDL_GL_GetProcAddress(#func); \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	242 if ( ! data->func ) { \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	243 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	244 return -1; \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	245 } \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	246 } while ( 0 );
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	247 #endif /* __SDL_NOGETPROCADDR__ */
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	248
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	249 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	250 #undef SDL_PROC
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	251 return 0;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	252 }
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	253
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 GL_AddRenderDriver(_THIS)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 {
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	257 if (_this->GL_CreateContext) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 SDL_AddRenderDriver(0, &GL_RenderDriver);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 SDL_Renderer *
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 GL_CreateRenderer(SDL_Window * window, Uint32 flags)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 GL_RenderData *data;
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	267 GLint value;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	268 int doublebuffer;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	270 /* Render directly to the window, unless we're compositing */
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	271 #ifndef __MACOSX__
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	272 if (flags & SDL_RENDERER_SINGLEBUFFER) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	273 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	274 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	275 #endif
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 if (!(window->flags & SDL_WINDOW_OPENGL)) {
1928 861bc36f0ab3 Fixed crash with multiple windows Sam Lantinga <slouken@libsdl.org> parents: 1927 diff changeset	277 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	278 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	279 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281
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	282 renderer = (SDL_Renderer ) SDL_calloc(1, sizeof(renderer));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 if (!renderer) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287
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	288 data = (GL_RenderData ) SDL_calloc(1, sizeof(data));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	295 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	296 renderer->DisplayModeChanged = GL_DisplayModeChanged;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 renderer->CreateTexture = GL_CreateTexture;
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	298 renderer->QueryTexturePixels = GL_QueryTexturePixels;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 renderer->SetTexturePalette = GL_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 renderer->GetTexturePalette = GL_GetTexturePalette;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	301 renderer->SetTextureColorMod = GL_SetTextureColorMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	302 renderer->SetTextureAlphaMod = GL_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	303 renderer->SetTextureBlendMode = GL_SetTextureBlendMode;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	304 renderer->SetTextureScaleMode = GL_SetTextureScaleMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 renderer->UpdateTexture = GL_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 renderer->LockTexture = GL_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 renderer->UnlockTexture = GL_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 renderer->DirtyTexture = GL_DirtyTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 renderer->RenderFill = GL_RenderFill;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 renderer->RenderCopy = GL_RenderCopy;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 renderer->info = GL_RenderDriver.info;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 renderer->window = window->id;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 renderer->info.flags =
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	319 (SDL_RENDERER_PRESENTDISCARD \| SDL_RENDERER_ACCELERATED);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	321 if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	322 GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	323 return NULL;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	324 }
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	325
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 data->context = SDL_GL_CreateContext(window->id);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 }
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	335 #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	336 /* 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	337 /* 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	338 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	339 */
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	340 #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	341
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	342 if (flags & SDL_RENDERER_PRESENTVSYNC) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 } else {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 if (SDL_GL_GetSwapInterval() > 0) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	348 renderer->info.flags \|= SDL_RENDERER_PRESENTVSYNC;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	351 if (SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &doublebuffer) == 0) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	352 if (!doublebuffer) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	353 renderer->info.flags \|= SDL_RENDERER_SINGLEBUFFER;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	354 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	355 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	356
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	357 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	358 renderer->info.max_texture_width = value;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	359 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	360 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	361
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	362 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	363 \|\| SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	364 data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	365 }
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	366 if (SDL_GL_ExtensionSupported("GL_EXT_paletted_texture")) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	367 data->GL_EXT_paletted_texture_supported = SDL_TRUE;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	368 data->glColorTableEXT =
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	369 (PFNGLCOLORTABLEEXTPROC) SDL_GL_GetProcAddress("glColorTableEXT");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	370 } else {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	371 /* 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	372 Uint32 i, j;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	373 SDL_RendererInfo *info = &renderer->info;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	374 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	375 if (info->texture_formats[i] != SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	376 info->texture_formats[j++] = info->texture_formats[i];
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	377 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	378 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	379 --info->num_texture_formats;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	380 }
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	381 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	382 data->glTextureRangeAPPLE =
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	383 (void ()(GLenum, GLsizei, const GLvoid ))
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	384 SDL_GL_GetProcAddress("glTextureRangeAPPLE");
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	385 }
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	386
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	387 /* 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	388 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	389 /* !!! 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	390 /* !!! 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	391 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	392 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	393 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	394 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	395 data->glProgramLocalParameter4fvARB =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	396 (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC)
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("glProgramLocalParameter4fvARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	398 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	399 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	400 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	401 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	402 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	403 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	404 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	405 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	406 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	407 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	408
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 /* Set up parameters for rendering */
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	410 data->blendMode = -1;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	411 data->scaleMode = -1;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	412 data->glDisable(GL_DEPTH_TEST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	413 data->glDisable(GL_CULL_FACE);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	414 if (data->GL_ARB_texture_rectangle_supported) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	415 data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	416 } else {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	417 data->glEnable(GL_TEXTURE_2D);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	418 }
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	419 data->updateSize = SDL_TRUE;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 return renderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	424 static int
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	425 GL_ActivateRenderer(SDL_Renderer * renderer)
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	426 {
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	427 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	428 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	429
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	430 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	431 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	432 }
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	433 if (data->updateSize) {
2836 b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	434 data->glMatrixMode(GL_PROJECTION);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	435 data->glLoadIdentity();
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	436 data->glMatrixMode(GL_MODELVIEW);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	437 data->glLoadIdentity();
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	438 data->glViewport(0, 0, window->w, window->h);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	439 data->glOrtho(0.0, (GLdouble) window->w, (GLdouble) window->h, 0.0,
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	440 0.0, 1.0);
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	441 data->updateSize = SDL_FALSE;
c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	442 }
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	443 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	444 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	445
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	446 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	447 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	448 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	449 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	450
2836 b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	451 /* Rebind the context to the window area and update matrices */
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	452 data->updateSize = SDL_TRUE;
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	453 return GL_ActivateRenderer(renderer);
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	454 }
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	455
1922 4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	456 static __inline__ int
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	457 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	458 {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	459 int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	460
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	461 while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	462 value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	463 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	464 return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	465 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	466
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	467
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	468 #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	469
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	470 static GLuint
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	471 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	472 {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	473 #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	474 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	475 #endif
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 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	478
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	479 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	480 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	481 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	482 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	483 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	484
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	485 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	486 {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	487 #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	488 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	489 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	490 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	491 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	492 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	493 (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	494 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	495 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	496 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	497 return 0;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	498 } // if
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	499
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	500 return program;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	501 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	502
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	503 // 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	504 // 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	505 // 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	506 // 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	507 // 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	508 // 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	509 // !!! 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	510 // !!! 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	511 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	512 "!!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	513
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	514 // outputs...
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	515 "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	516
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	517 // scratch registers...
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	518 "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	519 "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	520 "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	521
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	522 // 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	523 // 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	524 "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	525
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	526 // 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	527 // !!! 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	528 "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	529
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	530 // 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	531 "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	532 "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	533
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	534 // 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	535 // !!! 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	536 "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	537 "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	538
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	539 // 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	540 "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	541
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	542 // 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	543 "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	544
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	545 // 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	546 "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	547
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	548 // 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	549 "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	550
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	551 // 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	552 "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	553
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	554 // 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	555 "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	556
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	557 // 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	558 "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	559
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	560 // ...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	561 "END\n";
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	562
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	563
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 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	570 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	571 GLenum format, type;
1922 4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	572 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	573 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	574 GLenum result;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575
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	576 switch (texture->format) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	577 case SDL_PIXELFORMAT_INDEX1LSB:
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	578 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	579 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	580 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	581 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	582 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	583 case SDL_PIXELFORMAT_INDEX8:
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	584 if (!renderdata->GL_EXT_paletted_texture_supported) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	585 SDL_SetError("Unsupported texture format");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	586 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	587 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	588 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	589 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	590 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	591 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	592 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	593 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	594 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	595 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	596 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	597 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	598 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	599 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	600 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	601 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	602 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	603 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	604 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	605 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	606 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	607 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	608 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	609 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	610 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	611 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	612 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	613 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	614 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	615 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	616 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	617 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	618 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	619 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	620 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	621 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	622 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	623 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	624 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	625 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	626 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	627 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	628 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	629 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	630 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	631 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	632 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	633 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	634 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	635 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	636 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	637 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	638 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	639 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	640 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	641 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	642 case SDL_PIXELFORMAT_ARGB8888:
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	643 #ifdef __MACOSX__
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	644 internalFormat = GL_RGBA;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	645 format = GL_BGRA;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	646 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	647 #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	648 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	649 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	650 type = GL_UNSIGNED_BYTE;
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	651 #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	652 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	653 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	654 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	655 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	656 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	657 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	658 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	659 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	660 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	661 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	662 break;
2844 70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	663 #if 0 /* Ryan's pixel shader code should be better, once it works. :) */
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	664 case SDL_PIXELFORMAT_UYVY:
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	665 // if (renderdata->GL_MESA_ycbcr_texture) {
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	666 // internalFormat = 3;
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	667 // format = GL_YCBCR_MESA;
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	668 // type = GL_UNSIGNED_SHORT_8_8_MESA;
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	669 // } else if (renderdata->GL_APPLE_ycbcr_422) {
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	670 internalFormat = GL_RGB;
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	671 format = GL_YCBCR_422_APPLE;
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	672 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	673 type = GL_UNSIGNED_SHORT_8_8_APPLE;
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	674 #else
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	675 type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	676 #endif
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	677 // } else {
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	678 // SDL_SetError("Unsupported texture format");
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	679 // return -1;
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	680 // }
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	681 break;
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	682 #else
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	683 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	684 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	685 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	686 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	687 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	688 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	689 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	690 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	691 return -1;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	692 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	693 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	694 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	695 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	696 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	697 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	698 } else {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	699 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	700 return -1;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	701 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	702 break;
2844 70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	703 #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	704 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	705 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	706 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	707 }
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	708
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	709 data = (GL_TextureData ) SDL_calloc(1, sizeof(data));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 return -1;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	715 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	716
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	717 if (texture->format == SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	718 data->palette = (Uint8 ) SDL_malloc(3 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	719 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	720 SDL_OutOfMemory();
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	721 SDL_free(data);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	722 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	723 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	724 SDL_memset(data->palette, 0xFF, 3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	725 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	726
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	727 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	728 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	729 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	730 if (!data->pixels) {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	731 SDL_OutOfMemory();
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	732 SDL_free(data);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	733 return -1;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	734 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	735 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	736
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737 texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	739 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	740 renderdata->glGenTextures(1, &data->texture);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	741 if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	742 data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	743 texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	744 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	745 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	746 data->texh = (GLfloat) texture_h;
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	747 } else {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	748 data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	749 texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	750 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	751 data->texw = (GLfloat) (texture->w) / texture_w;
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	752 data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	753 }
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	754
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	755 /* YUV formats use RGBA but are really two bytes per pixel */
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	756 if (internalFormat == GL_RGBA && bytes_per_pixel(texture->format) < 4) {
2843 e919f2e3700d Fixed the shader fragment problems using 2 byte YUV data in a 4 byte RGB Sam Lantinga <slouken@libsdl.org> parents: 2840 diff changeset	757 data->HACK_RYAN_FIXME = 2;
e919f2e3700d Fixed the shader fragment problems using 2 byte YUV data in a 4 byte RGB Sam Lantinga <slouken@libsdl.org> parents: 2840 diff changeset	758 } else {
e919f2e3700d Fixed the shader fragment problems using 2 byte YUV data in a 4 byte RGB Sam Lantinga <slouken@libsdl.org> parents: 2840 diff changeset	759 data->HACK_RYAN_FIXME = 1;
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	760 }
2843 e919f2e3700d Fixed the shader fragment problems using 2 byte YUV data in a 4 byte RGB Sam Lantinga <slouken@libsdl.org> parents: 2840 diff changeset	761 texture_w /= data->HACK_RYAN_FIXME;
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	762
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	763 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	764 data->formattype = type;
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	765 renderdata->glBindTexture(data->type, data->texture);
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	766 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	767 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	768 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	769 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	770 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	771 GL_CLAMP_TO_EDGE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	772 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	773 GL_CLAMP_TO_EDGE);
2840 53ca0d758b0a The previous checkin fixes the crash, so at least we're not overrunning Sam Lantinga <slouken@libsdl.org> parents: 2839 diff changeset	774 #ifdef __MACOSX__
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	775 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	776 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	777 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	778 #ifndef STORAGE_CACHED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	779 #define STORAGE_CACHED_APPLE 0x85BE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	780 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	781 #ifndef STORAGE_SHARED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	782 #define STORAGE_SHARED_APPLE 0x85BF
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	783 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	784 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	785 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	786 GL_STORAGE_SHARED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	787 } else {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	788 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	789 GL_STORAGE_CACHED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	790 }
2809 7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	791 /* 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	792 #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	793 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	794 && 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	795 /*
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	796 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	797 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	798 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	799 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	800 }
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	801 */
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	802 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	803 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	804 texture_h, 0, format, type, data->pixels);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	805 } else
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	806 #endif
2809 7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	807 #endif
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	808 {
2840 53ca0d758b0a The previous checkin fixes the crash, so at least we're not overrunning Sam Lantinga <slouken@libsdl.org> parents: 2839 diff changeset	809 printf("teximage2d(%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	810 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	811 texture_h, 0, format, type, NULL);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	812 }
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	813 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	814 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	815 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	816 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	817 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	818 return 0;
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
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	821 static int
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	822 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	823 void *pixels, int pitch)
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	824 {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	825 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	826
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	827 *pixels = data->pixels;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	828 *pitch = data->pitch;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	829 return 0;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	830 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	831
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	832 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	833 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	834 const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	835 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	836 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	837 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	838 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	839
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	840 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	841 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	842 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	843 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	844 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	845 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	846 *palette++ = colors->r;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	847 *palette++ = colors->g;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	848 *palette++ = colors->b;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	849 ++colors;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	850 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	851 renderdata->glBindTexture(data->type, data->texture);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	852 renderdata->glColorTableEXT(data->type, GL_RGB8, 256, GL_RGB,
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	853 GL_UNSIGNED_BYTE, data->palette);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	854 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	855 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	856
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	857 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	858 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	859 SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	860 {
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	861 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	862 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	863 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	864
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	865 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	866 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	867 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	868 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	869 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	870 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	871 colors->r = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	872 colors->g = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	873 colors->b = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	874 colors->unused = SDL_ALPHA_OPAQUE;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	875 ++colors;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	876 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	877 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	878 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	879
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	880 static void
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	881 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	882 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	883 {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	884 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	885 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	886 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	887 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	888 }
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	889 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	890 renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH,
2844 70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the Sam Lantinga <slouken@libsdl.org> parents: 2843 diff changeset	891 (pitch / bytes_per_pixel(texture->format)) / ((GL_TextureData *)texture->driverdata)->HACK_RYAN_FIXME);
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	892 }
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	893
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	894 static int
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	895 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	896 {
1986 f4c65e3bfaed Cleanup for the last checkin Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	897 return 0;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	898 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	899
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	900 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	901 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	902 {
1986 f4c65e3bfaed Cleanup for the last checkin Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	903 return 0;
1985 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
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	906 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	907 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	908 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	909 switch (texture->blendMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	910 case SDL_TEXTUREBLENDMODE_NONE:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	911 case SDL_TEXTUREBLENDMODE_MASK:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	912 case SDL_TEXTUREBLENDMODE_BLEND:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	913 case SDL_TEXTUREBLENDMODE_ADD:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	914 case SDL_TEXTUREBLENDMODE_MOD:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	915 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	916 default:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	917 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	918 texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	919 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	920 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	921 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	922
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	923 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	924 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	925 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	926 switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	927 case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	928 case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	929 case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	930 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	931 case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	932 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	933 texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	934 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	935 default:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	936 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	937 texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	938 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	939 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	940 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	941
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	942 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	943 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	944 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	945 {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	946 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	947 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	948 GLenum result;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	949
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	950 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	951 SetupTextureUpdate(renderdata, texture, pitch);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	952 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	953 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	954 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	955 rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	956 pixels);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	957 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	958 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	959 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	960 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	961 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	962 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	963 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	964
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	965 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	966 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	967 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	968 int *pitch)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	969 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	970 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	971
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	972 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	973 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	974 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	975
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	976 *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	977 (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	978 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	979 *pitch = data->pitch;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	980 return 0;
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
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	983 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	984 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	985 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	986 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	987
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	988 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	989 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	990 const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	991 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	992 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	993 int i;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	994
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	995 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	996 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	997 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	998 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	999
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1000 static int
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1001 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	1002 const SDL_Rect * rect)
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1003 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1004 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1005 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1006
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1007 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	1008 (GLclampf) b * inv255f, (GLclampf) a * inv255f);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1009 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	1010 data->glClear(GL_COLOR_BUFFER_BIT);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1011 data->glViewport(0, 0, window->w, window->h);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1012 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1013 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1014
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1015 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1016 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	1017 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1018 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1019 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1020 GL_TextureData texturedata = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1021 int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1022 GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1023
2275 12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers. Sam Lantinga <slouken@libsdl.org> parents: 2246 diff changeset	1024 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	1025 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	1026 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	1027 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	1028 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	1029
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1030 SetupTextureUpdate(data, texture, pitch);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1031 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	1032 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	1033 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	1034 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	1035 (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	1036 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	1037 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	1038 data->glTexSubImage2D(texturedata->type, 0, rect->x, rect->y,
2843 e919f2e3700d Fixed the shader fragment problems using 2 byte YUV data in a 4 byte RGB Sam Lantinga <slouken@libsdl.org> parents: 2840 diff changeset	1039 rect->w / texturedata->HACK_RYAN_FIXME, rect->h, texturedata->format,
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1040 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	1041 }
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	1042 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	1043 }
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	1044
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1045 minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1046 miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1047 maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1048 maxy = dstrect->y + dstrect->h;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1049
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1050 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	1051 minu *= texturedata->texw;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1052 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	1053 maxu *= texturedata->texw;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1054 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	1055 minv *= texturedata->texh;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1056 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	1057 maxv *= texturedata->texh;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1058
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1059 data->glBindTexture(texturedata->type, texturedata->texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1060
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1061 if (texture->modMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1062 data->glColor4f((GLfloat) texture->r * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1063 (GLfloat) texture->g * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1064 (GLfloat) texture->b * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1065 (GLfloat) texture->a * inv255f);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1066 } else {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1067 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	1068 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1069
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1070 if (texture->blendMode != data->blendMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1071 switch (texture->blendMode) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1072 case SDL_TEXTUREBLENDMODE_NONE:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1073 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	1074 data->glDisable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1075 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1076 case SDL_TEXTUREBLENDMODE_MASK:
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1077 case SDL_TEXTUREBLENDMODE_BLEND:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1078 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	1079 data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1080 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	1081 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1082 case SDL_TEXTUREBLENDMODE_ADD:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1083 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	1084 data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1085 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1086 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1087 case SDL_TEXTUREBLENDMODE_MOD:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1088 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	1089 data->glEnable(GL_BLEND);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1090 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1091 break;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1092 }
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1093 data->blendMode = texture->blendMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1094 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1095
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1096 if (texture->scaleMode != data->scaleMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1097 switch (texture->scaleMode) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1098 case SDL_TEXTURESCALEMODE_NONE:
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1099 case SDL_TEXTURESCALEMODE_FAST:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1100 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1101 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1102 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1103 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1104 break;
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1105 case SDL_TEXTURESCALEMODE_SLOW:
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	1106 case SDL_TEXTURESCALEMODE_BEST:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1107 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1108 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1109 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1110 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1111 break;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1112 }
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1113 data->scaleMode = texture->scaleMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1114 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1115
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1116 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	1117 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	1118 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	1119 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1120
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1121 data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1122 data->glTexCoord2f(minu, minv);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1123 data->glVertex2i(minx, miny);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1124 data->glTexCoord2f(maxu, minv);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1125 data->glVertex2i(maxx, miny);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1126 data->glTexCoord2f(minu, maxv);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1127 data->glVertex2i(minx, maxy);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1128 data->glTexCoord2f(maxu, maxv);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1129 data->glVertex2i(maxx, maxy);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1130 data->glEnd();
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1131
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1132 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	1133 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	1134 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1135 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1136 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1137
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1138 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1139 GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1140 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1141 SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1142 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1143
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1144 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1145 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1146 {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1147 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1148 GL_TextureData data = (GL_TextureData ) texture->driverdata;
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 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1151 return;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1152 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1153 if (data->texture) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1154 renderdata->glDeleteTextures(1, &data->texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1155 }
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1156 if (data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1157 SDL_free(data->palette);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1158 }
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	1159 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	1160 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	1161 }
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	1162 SDL_FreeDirtyRects(&data->dirty);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1163 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1164 texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1165 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1166
1975 ccef0d0c40c6 Added resize support for GDI and Direct3D renderers Sam Lantinga <slouken@libsdl.org> parents: 1974 diff changeset	1167 static void
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1168 GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1169 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1170 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1171
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1172 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	1173 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	1174 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	1175 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	1176 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	1177 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	1178 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	1179 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1180 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1181
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	1182 /* 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	1183 SDL_GL_DeleteContext(data->context);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1184 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1185 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1186 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1187 SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1188 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1189
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	1190 #endif /* SDL_VIDEO_RENDER_OGL */
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1191
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1192 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_renderer_gl.c @ 2844:70b63882d2ef