annotate src/video/SDL_renderer_gl.c @ 3455:5a7b5760c875

Include the endpoint in the line we're drawing
author Sam Lantinga <slouken@libsdl.org>
date Thu, 19 Nov 2009 04:59:19 +0000
parents 77366fae0094
children 06e948183b59
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
2858
a38fcb093081 A little cleanup for SDL snapshot release
Sam Lantinga <slouken@libsdl.org>
parents: 2848
diff changeset
3 Copyright (C) 1997-2009 Sam Lantinga
1918
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) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
54 case SDL_PIXELFORMAT_YV12:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
55 case SDL_PIXELFORMAT_IYUV:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
56 case SDL_PIXELFORMAT_YUY2:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
57 case SDL_PIXELFORMAT_UYVY:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
58 case SDL_PIXELFORMAT_YVYU:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
59 return 2;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
60 default:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
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);
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
99 static int GL_RenderPoint(SDL_Renderer * renderer, int x, int y);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
100 static int GL_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
101 int y2);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
102 static int GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
103 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
104 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
105 static int GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
106 Uint32 pixel_format, void * pixels, int pitch);
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
107 static int GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
108 Uint32 pixel_format, const void * pixels, int pitch);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
109 static void GL_RenderPresent(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
110 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
111 static void GL_DestroyRenderer(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
112
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
113
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
114 SDL_RenderDriver GL_RenderDriver = {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
115 GL_CreateRenderer,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
116 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
117 "opengl",
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
118 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD |
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
119 SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED),
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
120 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
121 SDL_TEXTUREMODULATE_ALPHA),
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
122 (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK |
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
123 SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MOD),
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
124 (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST |
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
125 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
126 15,
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
127 {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
128 SDL_PIXELFORMAT_INDEX1LSB,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
129 SDL_PIXELFORMAT_INDEX1MSB,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
130 SDL_PIXELFORMAT_INDEX8,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
131 SDL_PIXELFORMAT_RGB332,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
132 SDL_PIXELFORMAT_RGB444,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
133 SDL_PIXELFORMAT_RGB555,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
134 SDL_PIXELFORMAT_ARGB4444,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
135 SDL_PIXELFORMAT_ARGB1555,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
136 SDL_PIXELFORMAT_RGB565,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
137 SDL_PIXELFORMAT_RGB24,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
138 SDL_PIXELFORMAT_BGR24,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
139 SDL_PIXELFORMAT_RGB888,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
140 SDL_PIXELFORMAT_BGR888,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
141 SDL_PIXELFORMAT_ARGB8888,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
142 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
143 SDL_PIXELFORMAT_ARGB2101010},
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 0,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 0}
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 };
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 typedef struct
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 SDL_GLContext context;
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
151 SDL_bool updateSize;
2233
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
152 SDL_bool GL_ARB_texture_rectangle_supported;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
153 SDL_bool GL_EXT_paletted_texture_supported;
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
154 SDL_bool GL_APPLE_ycbcr_422_supported;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
155 SDL_bool GL_MESA_ycbcr_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
156 SDL_bool GL_ARB_fragment_program_supported;
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
157 int blendMode;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
158 int scaleMode;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
159
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
160 /* OpenGL functions */
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
161 #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
162 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
163 #undef SDL_PROC
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
164
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
165 PFNGLCOLORTABLEEXTPROC glColorTableEXT;
2233
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
166 void (*glTextureRangeAPPLE) (GLenum target, GLsizei length,
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
167 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
168
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
169 PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
170 PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
171 PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
172 PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
173 PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
174 PFNGLBINDPROGRAMARBPROC glBindProgramARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
175 PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
176
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
177 /* (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
178 GLuint fragment_program_UYVY;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 } GL_RenderData;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 typedef struct
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 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
184 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
185 GLenum type;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 GLfloat texw;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 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
188 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
189 GLenum formattype;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
190 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 void *pixels;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 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
193 SDL_DirtyRectList dirty;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
194 int HACK_RYAN_FIXME;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 } GL_TextureData;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197
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
198 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
199 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
200 {
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 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
202
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 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
204 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
205 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
206 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
207 case GL_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
208 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
209 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
210 case GL_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
211 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
212 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
213 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
214 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
215 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
216 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
217 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
218 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
219 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
220 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
221 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
222 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
223 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
224 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
225 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
226 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
227 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
228 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
229 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
230 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
231 }
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
232 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
233 }
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
234
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
235 static int
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
236 GL_LoadFunctions(GL_RenderData * data)
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
237 {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
238 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
239 #define __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
240 #endif
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
241 #ifdef __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
242 #define SDL_PROC(ret,func,params) data->func=func;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
243 #else
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
244 #define SDL_PROC(ret,func,params) \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
245 do { \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
246 data->func = SDL_GL_GetProcAddress(#func); \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
247 if ( ! data->func ) { \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
248 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
249 return -1; \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
250 } \
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
251 } while ( 0 );
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
252 #endif /* __SDL_NOGETPROCADDR__ */
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
253
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
254 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
255 #undef SDL_PROC
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
256 return 0;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
257 }
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
258
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 GL_AddRenderDriver(_THIS)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 {
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
262 if (_this->GL_CreateContext) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 SDL_AddRenderDriver(0, &GL_RenderDriver);
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 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 SDL_Renderer *
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 GL_CreateRenderer(SDL_Window * window, Uint32 flags)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 GL_RenderData *data;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
272 GLint value;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
273 int doublebuffer;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
275 /* Render directly to the window, unless we're compositing */
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
276 #ifndef __MACOSX__
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
277 if (flags & SDL_RENDERER_SINGLEBUFFER) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
278 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
279 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
280 #endif
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 if (!(window->flags & SDL_WINDOW_OPENGL)) {
1928
861bc36f0ab3 Fixed crash with multiple windows
Sam Lantinga <slouken@libsdl.org>
parents: 1927
diff changeset
282 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
283 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
284 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286
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
287 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 if (!renderer) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292
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
293 data = (GL_RenderData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
300 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
301 renderer->DisplayModeChanged = GL_DisplayModeChanged;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 renderer->CreateTexture = GL_CreateTexture;
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
303 renderer->QueryTexturePixels = GL_QueryTexturePixels;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 renderer->SetTexturePalette = GL_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 renderer->GetTexturePalette = GL_GetTexturePalette;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
306 renderer->SetTextureColorMod = GL_SetTextureColorMod;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
307 renderer->SetTextureAlphaMod = GL_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
308 renderer->SetTextureBlendMode = GL_SetTextureBlendMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
309 renderer->SetTextureScaleMode = GL_SetTextureScaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 renderer->UpdateTexture = GL_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 renderer->LockTexture = GL_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 renderer->UnlockTexture = GL_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 renderer->DirtyTexture = GL_DirtyTexture;
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
314 renderer->RenderPoint = GL_RenderPoint;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
315 renderer->RenderLine = GL_RenderLine;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 renderer->RenderFill = GL_RenderFill;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 renderer->RenderCopy = GL_RenderCopy;
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
318 renderer->RenderReadPixels = GL_RenderReadPixels;
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
319 renderer->RenderWritePixels = GL_RenderWritePixels;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 renderer->info = GL_RenderDriver.info;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 renderer->window = window->id;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 renderer->info.flags =
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
328 (SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
330 if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
331 GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
332 return NULL;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
333 }
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
334
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 data->context = SDL_GL_CreateContext(window->id);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 }
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
344 #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
345 /* 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
346 /* 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
347 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
348 */
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
349 #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
350
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
351 if (flags & SDL_RENDERER_PRESENTVSYNC) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 } else {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 if (SDL_GL_GetSwapInterval() > 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
357 renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
360 if (SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &doublebuffer) == 0) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
361 if (!doublebuffer) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
362 renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
363 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
364 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
365
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
366 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
367 renderer->info.max_texture_width = value;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
368 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
369 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
370
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
371 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
372 || SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
373 data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
374 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
375 if (SDL_GL_ExtensionSupported("GL_EXT_paletted_texture")) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
376 data->GL_EXT_paletted_texture_supported = SDL_TRUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
377 data->glColorTableEXT =
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
378 (PFNGLCOLORTABLEEXTPROC) SDL_GL_GetProcAddress("glColorTableEXT");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
379 } else {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
380 /* 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
381 Uint32 i, j;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
382 SDL_RendererInfo *info = &renderer->info;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
383 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
384 if (info->texture_formats[i] != SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
385 info->texture_formats[j++] = info->texture_formats[i];
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
386 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
387 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
388 --info->num_texture_formats;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
389 }
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
390 if (SDL_GL_ExtensionSupported("GL_APPLE_ycbcr_422")) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
391 data->GL_APPLE_ycbcr_422_supported = SDL_TRUE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
392 }
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
393 if (SDL_GL_ExtensionSupported("GL_MESA_ycbcr_texture")) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
394 data->GL_MESA_ycbcr_texture_supported = SDL_TRUE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
395 }
2233
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
396 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
397 data->glTextureRangeAPPLE =
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
398 (void (*)(GLenum, GLsizei, const GLvoid *))
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
399 SDL_GL_GetProcAddress("glTextureRangeAPPLE");
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
400 }
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
401
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
402 /* 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
403 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
404 /* !!! 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
405 /* !!! 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
406 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
407 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
408 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
409 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
410 data->glProgramLocalParameter4fvARB =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
411 (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
412 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
413 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
414 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
415 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
416 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
417 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
418 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
419 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
420 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
421 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
422 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
423
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 /* Set up parameters for rendering */
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
425 data->blendMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
426 data->scaleMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
427 data->glDisable(GL_DEPTH_TEST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
428 data->glDisable(GL_CULL_FACE);
3262
e3d33bd599eb Stefan Ullinger
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
429 /* This ended up causing video discrepancies between OpenGL and Direct3D */
e3d33bd599eb Stefan Ullinger
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
430 /*data->glEnable(GL_LINE_SMOOTH);*/
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
431 if (data->GL_ARB_texture_rectangle_supported) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
432 data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
433 } else {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
434 data->glEnable(GL_TEXTURE_2D);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
435 }
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
436 data->updateSize = SDL_TRUE;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 return renderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
441 static int
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
442 GL_ActivateRenderer(SDL_Renderer * renderer)
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
443 {
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
444 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
445 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
446
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
447 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
448 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
449 }
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
450 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
451 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
452 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
453 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
454 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
455 data->glViewport(0, 0, window->w, window->h);
3324
0f19b2fa4125 -0.5 is causing trouble according to comments in bug #783
Sam Lantinga <slouken@libsdl.org>
parents: 3283
diff changeset
456 data->glOrtho(0.0, (GLdouble) window->w,
0f19b2fa4125 -0.5 is causing trouble according to comments in bug #783
Sam Lantinga <slouken@libsdl.org>
parents: 3283
diff changeset
457 (GLdouble) window->h, 0.0, 0.0, 1.0);
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
458 data->updateSize = SDL_FALSE;
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
459 }
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
460 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
461 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
462
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
463 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
464 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
465 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
466 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
467
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
468 /* 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
469 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
470 return GL_ActivateRenderer(renderer);
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
471 }
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
472
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
473 static __inline__ int
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
474 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
475 {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
476 int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
477
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
478 while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
479 value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
480 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
481 return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
482 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
483
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
484
2858
a38fcb093081 A little cleanup for SDL snapshot release
Sam Lantinga <slouken@libsdl.org>
parents: 2848
diff changeset
485 //#define DEBUG_PROGRAM_COMPILE 1
2835
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 static GLuint
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
488 compile_shader(GL_RenderData * data, GLenum shader_type, const char *_code)
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
489 {
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
490 const int have_texture_rects = data->GL_ARB_texture_rectangle_supported;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
491 const char *replacement = have_texture_rects ? "RECT" : "2D";
2918
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
492 const size_t replacementlen = SDL_strlen(replacement);
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
493 const char *token = "%TEXTURETARGET%";
2918
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
494 const size_t tokenlen = SDL_strlen(token);
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
495 char *code = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
496 char *ptr = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
497 GLuint program = 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
498
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
499 /*
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
500 * The TEX instruction needs a different target depending on what we use.
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
501 * To handle this, we use "%TEXTURETARGET%" and replace the string before
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
502 * compiling the shader.
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
503 */
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
504 code = SDL_strdup(_code);
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
505 if (code == NULL)
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
506 return 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
507
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
508 for (ptr = SDL_strstr(code, token); ptr; ptr = SDL_strstr(ptr + 1, token)) {
2918
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
509 SDL_memcpy(ptr, replacement, replacementlen);
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
510 SDL_memmove(ptr + replacementlen, ptr + tokenlen,
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
511 SDL_strlen(ptr + tokenlen) + 1);
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
512 }
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
513
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
514 #if DEBUG_PROGRAM_COMPILE
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
515 printf("compiling shader:\n%s\n\n", code);
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
516 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
517
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
518 data->glGetError(); /* flush any existing error state. */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
519 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
520 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
521 data->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
3253
5d7ef5970073 Fixed issues building 64-bit Windows binary
Sam Lantinga <slouken@libsdl.org>
parents: 3041
diff changeset
522 (GLsizei)SDL_strlen(code), code);
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
523
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
524 SDL_free(code);
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
525
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
526 if (data->glGetError() == GL_INVALID_OPERATION) {
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
527 #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
528 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
529 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
530 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
531 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
532 printf("program compile error at position %d: %s\n\n",
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
533 (int) pos, (const char *) errstr);
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
534 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
535 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
536 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
537 return 0;
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
538 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
539
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
540 return program;
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
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
543
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
544 /*
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
545 * Fragment program that renders from UYVY textures.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
546 * The UYVY to RGB equasion is:
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
547 * R = 1.164(Y-16) + 1.596(Cr-128)
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
548 * G = 1.164(Y-16) - 0.813(Cr-128) - 0.391(Cb-128)
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
549 * B = 1.164(Y-16) + 2.018(Cb-128)
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
550 * Byte layout is Cb, Y1, Cr, Y2, stored in the R, G, B, A channels.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
551 * 4 bytes == 2 pixels: Y1/Cb/Cr, Y2/Cb/Cr
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
552 *
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
553 * !!! FIXME: this ignores blendmodes, etc.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
554 * !!! FIXME: this could be more efficient...use a dot product for green, etc.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
555 */
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
556 static const char *fragment_program_UYVY_source_code = "!!ARBfp1.0\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
557 /* outputs... */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
558 "OUTPUT outcolor = result.color;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
559 /* scratch registers... */
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
560 "TEMP uyvy;\n" "TEMP luminance;\n" "TEMP work;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
561 /* Halve the coordinates to grab the correct 32 bits for the fragment. */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
562 "MUL work, fragment.texcoord, { 0.5, 1.0, 1.0, 1.0 };\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
563 /* Sample the YUV texture. Cb, Y1, Cr, Y2, are stored in x, y, z, w. */
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
564 "TEX uyvy, work, texture[0], %TEXTURETARGET%;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
565 /* Do subtractions (128/255, 16/255, 128/255, 16/255) */
2846
3d7833d5a4be Slight optimization of the shader, no need to scale into 0..255
Sam Lantinga <slouken@libsdl.org>
parents: 2845
diff changeset
566 "SUB uyvy, uyvy, { 0.501960784313726, 0.06274509803922, 0.501960784313726, 0.06274509803922 };\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
567 /* Choose the luminance component by texcoord. */
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
568 /* !!! FIXME: laziness wins out for now... just average Y1 and Y2. */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
569 "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
570 "MUL luminance, luminance, { 0.5, 0.5, 0.5, 0.5 };\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
571 /* Multiply luminance by its magic value. */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
572 "MUL luminance, luminance, { 1.164, 1.164, 1.164, 1.164 };\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
573 /* uyvy.xyzw becomes Cr/Cr/Cb/Cb, with multiplications. */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
574 "MUL uyvy, uyvy.zzxx, { 1.596, -0.813, 2.018, -0.391 };\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
575 /* Add luminance to Cr and Cb, store to RGB channels. */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
576 "ADD work.rgb, luminance, uyvy;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
577 /* Do final addition for Green channel. (!!! FIXME: this should be a DPH?) */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
578 "ADD work.g, work.g, uyvy.w;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
579 /* Make sure alpha channel is fully opaque. (!!! FIXME: blend modes!) */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
580 "MOV work.a, { 1.0 };\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
581 /* Store out the final fragment color... */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
582 "MOV outcolor, work;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
583 /* ...and we're done! */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
584 "END\n";
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
585
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
586 static __inline__ SDL_bool
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
587 convert_format(GL_RenderData *renderdata, Uint32 pixel_format,
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
588 GLint* internalFormat, GLenum* format, GLenum* type)
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
589 {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
590 switch (pixel_format) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
591 case SDL_PIXELFORMAT_INDEX1LSB:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
592 case SDL_PIXELFORMAT_INDEX1MSB:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
593 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
594 *format = GL_COLOR_INDEX;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
595 *type = GL_BITMAP;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
596 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
597 case SDL_PIXELFORMAT_INDEX8:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
598 if (!renderdata->GL_EXT_paletted_texture_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
599 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
600 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
601 *internalFormat = GL_COLOR_INDEX8_EXT;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
602 *format = GL_COLOR_INDEX;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
603 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
604 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
605 case SDL_PIXELFORMAT_RGB332:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
606 *internalFormat = GL_R3_G3_B2;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
607 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
608 *type = GL_UNSIGNED_BYTE_3_3_2;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
609 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
610 case SDL_PIXELFORMAT_RGB444:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
611 *internalFormat = GL_RGB4;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
612 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
613 *type = GL_UNSIGNED_SHORT_4_4_4_4;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
614 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
615 case SDL_PIXELFORMAT_RGB555:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
616 *internalFormat = GL_RGB5;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
617 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
618 *type = GL_UNSIGNED_SHORT_5_5_5_1;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
619 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
620 case SDL_PIXELFORMAT_ARGB4444:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
621 *internalFormat = GL_RGBA4;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
622 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
623 *type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
624 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
625 case SDL_PIXELFORMAT_ARGB1555:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
626 *internalFormat = GL_RGB5_A1;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
627 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
628 *type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
629 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
630 case SDL_PIXELFORMAT_RGB565:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
631 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
632 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
633 *type = GL_UNSIGNED_SHORT_5_6_5;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
634 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
635 case SDL_PIXELFORMAT_RGB24:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
636 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
637 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
638 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
639 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
640 case SDL_PIXELFORMAT_RGB888:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
641 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
642 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
643 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
644 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
645 case SDL_PIXELFORMAT_BGR24:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
646 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
647 *format = GL_BGR;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
648 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
649 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
650 case SDL_PIXELFORMAT_BGR888:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
651 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
652 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
653 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
654 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
655 case SDL_PIXELFORMAT_ARGB8888:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
656 #ifdef __MACOSX__
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
657 *internalFormat = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
658 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
659 *type = GL_UNSIGNED_INT_8_8_8_8_REV;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
660 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
661 *internalFormat = GL_RGBA8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
662 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
663 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
664 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
665 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
666 case SDL_PIXELFORMAT_ABGR8888:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
667 *internalFormat = GL_RGBA8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
668 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
669 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
670 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
671 case SDL_PIXELFORMAT_ARGB2101010:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
672 *internalFormat = GL_RGB10_A2;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
673 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
674 *type = GL_UNSIGNED_INT_2_10_10_10_REV;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
675 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
676 case SDL_PIXELFORMAT_UYVY:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
677 if (renderdata->GL_APPLE_ycbcr_422_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
678 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
679 *format = GL_YCBCR_422_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
680 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
681 *type = GL_UNSIGNED_SHORT_8_8_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
682 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
683 *type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
684 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
685 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
686 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
687 *format = GL_YCBCR_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
688 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
689 *type = GL_UNSIGNED_SHORT_8_8_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
690 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
691 *type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
692 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
693 } else if (renderdata->GL_ARB_fragment_program_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
694 *internalFormat = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
695 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
696 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
697 } else {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
698 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
699 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
700 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
701 case SDL_PIXELFORMAT_YUY2:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
702 if (renderdata->GL_APPLE_ycbcr_422_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
703 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
704 *format = GL_YCBCR_422_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
705 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
706 *type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
707 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
708 *type = GL_UNSIGNED_SHORT_8_8_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
709 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
710 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
711 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
712 *format = GL_YCBCR_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
713 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
714 *type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
715 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
716 *type = GL_UNSIGNED_SHORT_8_8_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
717 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
718 } else {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
719 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
720 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
721 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
722 default:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
723 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
724 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
725 return SDL_TRUE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
726 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
727
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
728 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
729 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
730 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
731 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
732 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
733 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
734 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
735 GLenum format, type;
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
736 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
737 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
738 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
739
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
740 if (!convert_format(renderdata, texture->format, &internalFormat,
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
741 &format, &type)) {
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
742 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
743 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
744 }
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
745 if (texture->format == SDL_PIXELFORMAT_UYVY &&
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
746 !renderdata->GL_APPLE_ycbcr_422_supported &&
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
747 !renderdata->GL_MESA_ycbcr_texture_supported &&
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
748 renderdata->GL_ARB_fragment_program_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
749 if (renderdata->fragment_program_UYVY == 0) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
750 renderdata->fragment_program_UYVY =
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
751 compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB,
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
752 fragment_program_UYVY_source_code);
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
753 if (renderdata->fragment_program_UYVY == 0) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
754 SDL_SetError("Fragment program compile error");
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
755 return -1;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
756 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
757 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
758 shader = renderdata->fragment_program_UYVY;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
759 }
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
760
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
761 data = (GL_TextureData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
762 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
763 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
764 return -1;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
765 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
766
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
767 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
768
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
769 if (texture->format == SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
770 data->palette = (Uint8 *) SDL_malloc(3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
771 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
772 SDL_OutOfMemory();
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
773 SDL_free(data);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
774 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
775 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
776 SDL_memset(data->palette, 0xFF, 3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
777 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
778
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
779 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
780 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
781 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
782 if (!data->pixels) {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
783 SDL_OutOfMemory();
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
784 SDL_free(data);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
785 return -1;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
786 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
787 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
788
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
789 texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
790
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
791 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
792 renderdata->glGenTextures(1, &data->texture);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
793 if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
794 data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
795 texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
796 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
797 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
798 data->texh = (GLfloat) texture_h;
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
799 } else {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
800 data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
801 texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
802 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
803 data->texw = (GLfloat) (texture->w) / texture_w;
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
804 data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
805 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
806
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
807 /* YUV formats use RGBA but are really two bytes per pixel */
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
808 if (internalFormat == GL_RGBA && bytes_per_pixel(texture->format) < 4) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
809 data->HACK_RYAN_FIXME = 2;
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
810 } else {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
811 data->HACK_RYAN_FIXME = 1;
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
812 }
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
813 texture_w /= data->HACK_RYAN_FIXME;
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
814
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
815 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
816 data->formattype = type;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
817 renderdata->glEnable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
818 renderdata->glBindTexture(data->type, data->texture);
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
819 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
820 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
821 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
822 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
823 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
824 GL_CLAMP_TO_EDGE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
825 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
826 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
827 #ifdef __MACOSX__
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
828 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
829 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
830 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
831 #ifndef STORAGE_CACHED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
832 #define STORAGE_CACHED_APPLE 0x85BE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
833 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
834 #ifndef STORAGE_SHARED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
835 #define STORAGE_SHARED_APPLE 0x85BF
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
836 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
837 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
838 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
839 GL_STORAGE_SHARED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
840 } else {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
841 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
842 GL_STORAGE_CACHED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
843 }
2809
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay
Sam Lantinga <slouken@libsdl.org>
parents: 2808
diff changeset
844 /* 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
845 #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
846 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
847 && 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
848 /*
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
849 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
850 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
851 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
852 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
853 }
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
854 */
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
855 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
856 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
857 texture_h, 0, format, type, data->pixels);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
858 } else
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
859 #endif
2809
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay
Sam Lantinga <slouken@libsdl.org>
parents: 2808
diff changeset
860 #endif
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
861 {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
862 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
863 texture_h, 0, format, type, NULL);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
864 }
3041
20d65430e63c Fixed OpenGL state issue reported by Dmytro Bogovych
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
865 renderdata->glDisable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
866 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
867 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
868 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
869 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
870 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
871 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
872 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
873
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
874 static int
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
875 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
876 void **pixels, int *pitch)
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
877 {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
878 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
879
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
880 *pixels = data->pixels;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
881 *pitch = data->pitch;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
882 return 0;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
883 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
884
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
885 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
886 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
887 const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
888 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
889 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
890 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
891 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
892
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
893 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
894 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
895 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
896 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
897 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
898 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
899 *palette++ = colors->r;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
900 *palette++ = colors->g;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
901 *palette++ = colors->b;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
902 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
903 }
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
904 renderdata->glEnable(data->type);
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
905 renderdata->glBindTexture(data->type, data->texture);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
906 renderdata->glColorTableEXT(data->type, GL_RGB8, 256, GL_RGB,
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
907 GL_UNSIGNED_BYTE, data->palette);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
908 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
909 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
910
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
911 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
912 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
913 SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
914 {
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
915 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
916 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
917 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
918
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
919 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
920 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
921 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
922 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
923 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
924 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
925 colors->r = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
926 colors->g = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
927 colors->b = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
928 colors->unused = SDL_ALPHA_OPAQUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
929 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
930 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
931 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
932 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
933
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
934 static void
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
935 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
936 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
937 {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
938 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
939 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
940 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
941 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
942 }
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
943 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
944 renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH,
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
945 (pitch / bytes_per_pixel(texture->format)) /
3013
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
946 ((GL_TextureData *) texture->driverdata)->
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
947 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
948 }
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
949
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
950 static int
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
951 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
952 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
953 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
954 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
955
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
956 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
957 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
958 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
959 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
960 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
961
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
962 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
963 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
964 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
965 switch (texture->blendMode) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
966 case SDL_BLENDMODE_NONE:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
967 case SDL_BLENDMODE_MASK:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
968 case SDL_BLENDMODE_BLEND:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
969 case SDL_BLENDMODE_ADD:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
970 case SDL_BLENDMODE_MOD:
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
971 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
972 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
973 SDL_Unsupported();
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
974 texture->blendMode = SDL_BLENDMODE_NONE;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
975 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
976 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
977 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
978
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
979 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
980 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
981 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
982 switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
983 case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
984 case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
985 case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
986 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
987 case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
988 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
989 texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
990 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
991 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
992 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
993 texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
994 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
995 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
996 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
997
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
998 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
999 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1000 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1001 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1002 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1003 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
1004 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1005
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1006 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1007 SetupTextureUpdate(renderdata, texture, pitch);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1008 renderdata->glEnable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1009 renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1010 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
1011 rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1012 pixels);
3041
20d65430e63c Fixed OpenGL state issue reported by Dmytro Bogovych
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
1013 renderdata->glDisable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1014 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
1015 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
1016 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
1017 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
1018 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1019 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1020 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1021
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1022 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1023 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1024 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1025 int *pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1026 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1027 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1028
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
1029 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
1030 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
1031 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1032
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
1033 *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
1034 (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
1035 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
1036 *pitch = data->pitch;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1037 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1038 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1039
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1040 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1041 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1042 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1043 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1044
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1045 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1046 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1047 const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1048 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1049 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1050 int i;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1051
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1052 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
1053 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1054 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1055 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1056
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1057 static void
3393
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1058 GL_SetBlendMode(GL_RenderData * data, int blendMode, int isprimitive)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1059 {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1060 if (blendMode != data->blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1061 switch (blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1062 case SDL_BLENDMODE_NONE:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1063 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1064 data->glDisable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1065 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1066 case SDL_BLENDMODE_MASK:
3393
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1067 if (isprimitive) {
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1068 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1069 data->glDisable(GL_BLEND);
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1070 /* The same as SDL_BLENDMODE_NONE */
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1071 blendMode = SDL_BLENDMODE_NONE;
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1072 break;
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1073 }
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1074 /* fall through */
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1075 case SDL_BLENDMODE_BLEND:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1076 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1077 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1078 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1079 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1080 case SDL_BLENDMODE_ADD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1081 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1082 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1083 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1084 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1085 case SDL_BLENDMODE_MOD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1086 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1087 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1088 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1089 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1090 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1091 data->blendMode = blendMode;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1092 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1093 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1094
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1095 static int
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1096 GL_RenderPoint(SDL_Renderer * renderer, int x, int y)
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1097 {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1098 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1099
3393
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1100 GL_SetBlendMode(data, renderer->blendMode, 1);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1101
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1102 data->glColor4f((GLfloat) renderer->r * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1103 (GLfloat) renderer->g * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1104 (GLfloat) renderer->b * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1105 (GLfloat) renderer->a * inv255f);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1106
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1107 data->glBegin(GL_POINTS);
3454
77366fae0094 Adjust the vertices to be over the texel center.
Sam Lantinga <slouken@libsdl.org>
parents: 3447
diff changeset
1108 data->glVertex2f(0.5f + x, 0.5f + y);
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1109 data->glEnd();
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1110
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1111 return 0;
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1112 }
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1113
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1114 static int
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1115 GL_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1116 {
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1117 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1118
3393
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1119 GL_SetBlendMode(data, renderer->blendMode, 1);
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1120
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1121 data->glColor4f((GLfloat) renderer->r * inv255f,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1122 (GLfloat) renderer->g * inv255f,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1123 (GLfloat) renderer->b * inv255f,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1124 (GLfloat) renderer->a * inv255f);
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1125
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1126 data->glBegin(GL_LINES);
3454
77366fae0094 Adjust the vertices to be over the texel center.
Sam Lantinga <slouken@libsdl.org>
parents: 3447
diff changeset
1127 data->glVertex2f(0.5f + x1, 0.5f + y1);
77366fae0094 Adjust the vertices to be over the texel center.
Sam Lantinga <slouken@libsdl.org>
parents: 3447
diff changeset
1128 data->glVertex2f(0.5f + x2, 0.5f + y2);
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1129 data->glEnd();
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1130
3455
5a7b5760c875 Include the endpoint in the line we're drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3454
diff changeset
1131 /* For some reason the second endpoint is skipped */
5a7b5760c875 Include the endpoint in the line we're drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3454
diff changeset
1132 data->glBegin(GL_POINTS);
5a7b5760c875 Include the endpoint in the line we're drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3454
diff changeset
1133 data->glVertex2f(0.5f + x2, 0.5f + y2);
5a7b5760c875 Include the endpoint in the line we're drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3454
diff changeset
1134 data->glEnd();
5a7b5760c875 Include the endpoint in the line we're drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3454
diff changeset
1135
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1136 return 0;
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
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1139 static int
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1140 GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1141 {
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1142 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1143
3393
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1144 GL_SetBlendMode(data, renderer->blendMode, 1);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1145
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1146 data->glColor4f((GLfloat) renderer->r * inv255f,
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1147 (GLfloat) renderer->g * inv255f,
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1148 (GLfloat) renderer->b * inv255f,
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1149 (GLfloat) renderer->a * inv255f);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1150
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1151 data->glRecti(rect->x, rect->y, rect->x + rect->w, rect->y + rect->h);
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1152
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1153 return 0;
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1154 }
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1155
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1156 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1157 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
1158 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1159 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1160 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1161 GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1162 int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1163 GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1164
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents: 2246
diff changeset
1165 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
1166 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
1167 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
1168 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
1169 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
1170
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1171 SetupTextureUpdate(data, texture, pitch);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1172 data->glEnable(texturedata->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1173 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
1174 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
1175 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
1176 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
1177 (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
1178 rect->x * bpp);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1179 data->glTexSubImage2D(texturedata->type, 0, rect->x, rect->y,
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1180 rect->w / texturedata->HACK_RYAN_FIXME,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1181 rect->h, texturedata->format,
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1182 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
1183 }
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
1184 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
1185 }
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
1186
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1187 minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1188 miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1189 maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1190 maxy = dstrect->y + dstrect->h;
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 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
1193 minu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1194 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
1195 maxu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1196 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
1197 minv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1198 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
1199 maxv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1200
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1201 data->glEnable(texturedata->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1202 data->glBindTexture(texturedata->type, texturedata->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1203
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1204 if (texture->modMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1205 data->glColor4f((GLfloat) texture->r * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1206 (GLfloat) texture->g * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1207 (GLfloat) texture->b * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1208 (GLfloat) texture->a * inv255f);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1209 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1210 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
1211 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1212
3393
fe2f10481878 Fixed SDL_BLENDMODE_MASK for GL and GLES renderers, now blending works like in software renderer.
Mike Gorchak <lestat@i.com.ua>
parents: 3324
diff changeset
1213 GL_SetBlendMode(data, texture->blendMode, 0);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1214
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1215 if (texture->scaleMode != data->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1216 switch (texture->scaleMode) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1217 case SDL_TEXTURESCALEMODE_NONE:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1218 case SDL_TEXTURESCALEMODE_FAST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1219 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1220 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1221 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1222 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1223 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1224 case SDL_TEXTURESCALEMODE_SLOW:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1225 case SDL_TEXTURESCALEMODE_BEST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1226 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1227 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1228 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1229 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1230 break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1231 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1232 data->scaleMode = texture->scaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1233 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1234
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1235 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
1236 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
1237 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
1238 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1239
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1240 data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1241 data->glTexCoord2f(minu, minv);
3454
77366fae0094 Adjust the vertices to be over the texel center.
Sam Lantinga <slouken@libsdl.org>
parents: 3447
diff changeset
1242 data->glVertex2f(0.5f + minx, 0.5f + miny);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1243 data->glTexCoord2f(maxu, minv);
3454
77366fae0094 Adjust the vertices to be over the texel center.
Sam Lantinga <slouken@libsdl.org>
parents: 3447
diff changeset
1244 data->glVertex2f(0.5f + maxx, 0.5f + miny);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1245 data->glTexCoord2f(minu, maxv);
3454
77366fae0094 Adjust the vertices to be over the texel center.
Sam Lantinga <slouken@libsdl.org>
parents: 3447
diff changeset
1246 data->glVertex2f(0.5f + minx, 0.5f + maxy);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1247 data->glTexCoord2f(maxu, maxv);
3454
77366fae0094 Adjust the vertices to be over the texel center.
Sam Lantinga <slouken@libsdl.org>
parents: 3447
diff changeset
1248 data->glVertex2f(0.5f + maxx, 0.5f + maxy);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1249 data->glEnd();
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1250
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1251 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
1252 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
1253 }
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1254
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1255 data->glDisable(texturedata->type);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1256
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1257 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1258 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1259
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1260 static int
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1261 GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1262 Uint32 pixel_format, void * pixels, int pitch)
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1263 {
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1264 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
3447
294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3446
diff changeset
1265 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1266 GLint internalFormat;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1267 GLenum format, type;
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1268 Uint8 *src, *dst, *tmp;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1269 int length, rows;
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1270
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1271 if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1272 /* FIXME: Do a temp copy to a format that is supported */
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1273 SDL_SetError("Unsupported pixel format");
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1274 return -1;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1275 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1276
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1277 if (pixel_format == SDL_PIXELFORMAT_INDEX1LSB) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1278 data->glPixelStorei(GL_PACK_LSB_FIRST, 1);
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1279 } else if (pixel_format == SDL_PIXELFORMAT_INDEX1MSB) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1280 data->glPixelStorei(GL_PACK_LSB_FIRST, 0);
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1281 }
3446
0f969d273f65 First pass (untested) at RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3443
diff changeset
1282 data->glPixelStorei(GL_PACK_ALIGNMENT, 1);
0f969d273f65 First pass (untested) at RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3443
diff changeset
1283 data->glPixelStorei(GL_PACK_ROW_LENGTH,
0f969d273f65 First pass (untested) at RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3443
diff changeset
1284 (pitch / bytes_per_pixel(pixel_format)));
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1285
3447
294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3446
diff changeset
1286 data->glReadPixels(rect->x, (window->h-rect->y)-rect->h, rect->w, rect->h,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1287 format, type, pixels);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1288
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1289 /* Flip the rows to be top-down */
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1290 length = rect->w * bytes_per_pixel(pixel_format);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1291 src = (Uint8*)pixels + (rect->h-1)*pitch;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1292 dst = (Uint8*)pixels;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1293 tmp = SDL_stack_alloc(Uint8, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1294 rows = rect->h / 2;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1295 while (rows--) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1296 SDL_memcpy(tmp, dst, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1297 SDL_memcpy(dst, src, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1298 SDL_memcpy(src, tmp, length);
3447
294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3446
diff changeset
1299 dst += pitch;
294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3446
diff changeset
1300 src -= pitch;
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1301 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1302 SDL_stack_free(tmp);
3440
e9502d56ae94 Added missing return values
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
1303
e9502d56ae94 Added missing return values
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
1304 return 0;
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1305 }
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1306
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1307 static int
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1308 GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1309 Uint32 pixel_format, const void * pixels, int pitch)
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1310 {
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1311 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1312 GLint internalFormat;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1313 GLenum format, type;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1314
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1315 if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1316 /* FIXME: Do a temp copy to a format that is supported */
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1317 SDL_SetError("Unsupported pixel format");
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1318 return -1;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1319 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1320
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1321 /* FIXME: We need to copy the data and flip it */
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1322
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1323 if (pixel_format == SDL_PIXELFORMAT_INDEX1LSB) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1324 data->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1325 } else if (pixel_format == SDL_PIXELFORMAT_INDEX1MSB) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1326 data->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1327 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1328 data->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1329 data->glPixelStorei(GL_UNPACK_ROW_LENGTH,
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1330 (pitch / bytes_per_pixel(pixel_format)));
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1331
3446
0f969d273f65 First pass (untested) at RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3443
diff changeset
1332 data->glRasterPos2i(rect->x, rect->y);
0f969d273f65 First pass (untested) at RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3443
diff changeset
1333 data->glDrawPixels(rect->w, rect->h, format, type, pixels);
3440
e9502d56ae94 Added missing return values
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
1334
e9502d56ae94 Added missing return values
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
1335 return 0;
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1336 }
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1337
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1338 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1339 GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1340 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1341 SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1342 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1343
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1344 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1345 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1346 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1347 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1348 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1349
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1350 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1351 return;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1352 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1353 if (data->texture) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1354 renderdata->glDeleteTextures(1, &data->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1355 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1356 if (data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1357 SDL_free(data->palette);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1358 }
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
1359 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
1360 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
1361 }
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
1362 SDL_FreeDirtyRects(&data->dirty);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1363 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1364 texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1365 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1366
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1974
diff changeset
1367 static void
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1368 GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1369 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1370 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1371
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1372 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
1373 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
1374 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
1375 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
1376 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
1377 if (data->fragment_program_UYVY != 0) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1378 data->glDeleteProgramsARB(1,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1379 &data->fragment_program_UYVY);
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1380 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1381 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1382
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
1383 /* 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
1384 SDL_GL_DeleteContext(data->context);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1385 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1386 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1387 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1388 SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1389 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1390
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
1391 #endif /* SDL_VIDEO_RENDER_OGL */
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1392
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1393 /* vi: set ts=4 sw=4 expandtab: */