annotate src/video/SDL_renderer_gl.c @ 2896:1ef2f1e75ff7

Date: Sat, 20 Dec 2008 23:25:19 +0100 From: Couriersud Subject: 32 & 16 bit versions of blendrect and blendline attached are 32, 16 and 15 bit versions of the blendrect and blendline functionality. There was an issue with the bresenham alg. in drawline which I also fixed.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 20 Dec 2008 23:19:20 +0000
parents e67f3f3bf221
children 133601e3b255
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
1952
420716272158 Implemented X11 OpenGL support.
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24 #if SDL_VIDEO_RENDER_OGL
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25
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
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26 #include "SDL_video.h"
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27 #include "SDL_opengl.h"
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28 #include "SDL_sysvideo.h"
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29 #include "SDL_pixels_c.h"
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30 #include "SDL_rect_c.h"
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31 #include "SDL_yuv_sw_c.h"
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32
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33 #ifdef __MACOSX__
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34 #include <OpenGL/OpenGL.h>
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35 #endif
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36
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37
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38 /* OpenGL renderer implementation */
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39
2230
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40 /* Details on optimizing the texture path on Mac OS X:
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41 http://developer.apple.com/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_texturedata/chapter_10_section_2.html
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42 */
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43
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44 /* !!! FIXME: this should go in a higher level than the GL renderer. */
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45 static __inline__ int
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46 bytes_per_pixel(const Uint32 format)
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47 {
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f89700cc9272 Progress, maybe. :)
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48 if (!SDL_ISPIXELFORMAT_FOURCC(format)) {
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49 return SDL_BYTESPERPIXEL(format);
f89700cc9272 Progress, maybe. :)
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50 }
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51
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52 /* FOURCC format */
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53 switch (format) {
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54 case SDL_PIXELFORMAT_YV12:
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55 case SDL_PIXELFORMAT_IYUV:
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56 case SDL_PIXELFORMAT_YUY2:
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57 case SDL_PIXELFORMAT_UYVY:
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58 case SDL_PIXELFORMAT_YVYU:
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59 return 2;
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60 default:
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61 return 1; /* shouldn't ever hit this. */
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62 }
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63 }
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64
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65
1985
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66 static const float inv255f = 1.0f / 255.0f;
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67
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68 static SDL_Renderer *GL_CreateRenderer(SDL_Window * window, Uint32 flags);
1923
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69 static int GL_ActivateRenderer(SDL_Renderer * renderer);
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
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70 static int GL_DisplayModeChanged(SDL_Renderer * renderer);
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71 static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
2222
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parents: 1986
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72 static int GL_QueryTexturePixels(SDL_Renderer * renderer,
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73 SDL_Texture * texture, void **pixels,
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74 int *pitch);
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75 static int GL_SetTexturePalette(SDL_Renderer * renderer,
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76 SDL_Texture * texture,
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77 const SDL_Color * colors, int firstcolor,
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78 int ncolors);
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79 static int GL_GetTexturePalette(SDL_Renderer * renderer,
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80 SDL_Texture * texture, SDL_Color * colors,
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81 int firstcolor, int ncolors);
1985
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82 static int GL_SetTextureColorMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support.
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parents: 1975
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83 SDL_Texture * texture);
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parents: 1975
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84 static int GL_SetTextureAlphaMod(SDL_Renderer * renderer,
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parents: 1975
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85 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support.
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parents: 1975
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86 static int GL_SetTextureBlendMode(SDL_Renderer * renderer,
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87 SDL_Texture * texture);
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88 static int GL_SetTextureScaleMode(SDL_Renderer * renderer,
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89 SDL_Texture * texture);
1918
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90 static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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91 const SDL_Rect * rect, const void *pixels,
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92 int pitch);
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93 static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
1985
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94 const SDL_Rect * rect, int markDirty, void **pixels,
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95 int *pitch);
1918
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96 static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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97 static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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98 int numrects, const SDL_Rect * rects);
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99 static int GL_SetDrawColor(SDL_Renderer * renderer);
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100 static int GL_SetDrawBlendMode(SDL_Renderer * renderer);
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101 static int GL_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2,
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102 int y2);
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103 static int GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect);
1918
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104 static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985
8055185ae4ed Added source color and alpha modulation support.
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parents: 1975
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105 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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106
1918
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107 static void GL_RenderPresent(SDL_Renderer * renderer);
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108 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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109 static void GL_DestroyRenderer(SDL_Renderer * renderer);
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110
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111
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112 SDL_RenderDriver GL_RenderDriver = {
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113 GL_CreateRenderer,
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114 {
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115 "opengl",
1974
70deaf574153 Added paletted OpenGL texture support.
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parents: 1970
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116 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD |
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
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117 SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED),
1985
8055185ae4ed Added source color and alpha modulation support.
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parents: 1975
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118 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
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119 SDL_TEXTUREMODULATE_ALPHA),
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120 (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK |
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121 SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MOD),
1965
a788656ca29a SDL constants are all uppercase.
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parents: 1952
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122 (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST |
a788656ca29a SDL constants are all uppercase.
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parents: 1952
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123 SDL_TEXTURESCALEMODE_SLOW),
2813
49243a6e9ff1 Removed the hacky stuff for YUV OpenGL textures, since Ryan's pixel shader code
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parents: 2812
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124 15,
1918
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125 {
1965
a788656ca29a SDL constants are all uppercase.
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parents: 1952
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126 SDL_PIXELFORMAT_INDEX1LSB,
a788656ca29a SDL constants are all uppercase.
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127 SDL_PIXELFORMAT_INDEX1MSB,
a788656ca29a SDL constants are all uppercase.
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128 SDL_PIXELFORMAT_INDEX8,
a788656ca29a SDL constants are all uppercase.
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129 SDL_PIXELFORMAT_RGB332,
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130 SDL_PIXELFORMAT_RGB444,
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131 SDL_PIXELFORMAT_RGB555,
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132 SDL_PIXELFORMAT_ARGB4444,
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133 SDL_PIXELFORMAT_ARGB1555,
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134 SDL_PIXELFORMAT_RGB565,
a788656ca29a SDL constants are all uppercase.
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parents: 1952
diff changeset
135 SDL_PIXELFORMAT_RGB24,
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diff changeset
136 SDL_PIXELFORMAT_BGR24,
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diff changeset
137 SDL_PIXELFORMAT_RGB888,
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diff changeset
138 SDL_PIXELFORMAT_BGR888,
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diff changeset
139 SDL_PIXELFORMAT_ARGB8888,
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diff changeset
140 SDL_PIXELFORMAT_ABGR8888,
2813
49243a6e9ff1 Removed the hacky stuff for YUV OpenGL textures, since Ryan's pixel shader code
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parents: 2812
diff changeset
141 SDL_PIXELFORMAT_ARGB2101010},
1918
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142 0,
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143 0}
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144 };
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145
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146 typedef struct
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147 {
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148 SDL_GLContext context;
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
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diff changeset
149 SDL_bool updateSize;
2233
fb01ee9716bc Test using glTextureRangeAPPLE
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diff changeset
150 SDL_bool GL_ARB_texture_rectangle_supported;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
151 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
152 SDL_bool GL_APPLE_ycbcr_422_supported;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
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parents: 2844
diff changeset
153 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>
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diff changeset
154 SDL_bool GL_ARB_fragment_program_supported;
1927
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
155 int blendMode;
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diff changeset
156 int scaleMode;
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157
aeb8263d377a OpenGL renderer is feature complete!
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158 /* OpenGL functions */
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diff changeset
159 #define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
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diff changeset
160 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
161 #undef SDL_PROC
1974
70deaf574153 Added paletted OpenGL texture support.
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162
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
163 PFNGLCOLORTABLEEXTPROC glColorTableEXT;
2233
fb01ee9716bc Test using glTextureRangeAPPLE
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diff changeset
164 void (*glTextureRangeAPPLE) (GLenum target, GLsizei length,
fb01ee9716bc Test using glTextureRangeAPPLE
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diff changeset
165 const GLvoid * pointer);
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
166
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
167 PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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168 PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
169 PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
170 PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
171 PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
172 PFNGLBINDPROGRAMARBPROC glBindProgramARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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173 PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
174
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
175 /* (optional) fragment programs */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
176 GLuint fragment_program_UYVY;
1918
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177 } GL_RenderData;
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178
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179 typedef struct
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180 {
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diff changeset
181 GLuint texture;
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
182 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.
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diff changeset
183 GLenum type;
1918
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184 GLfloat texw;
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185 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.
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diff changeset
186 GLenum format;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
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diff changeset
187 GLenum formattype;
1974
70deaf574153 Added paletted OpenGL texture support.
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diff changeset
188 Uint8 *palette;
1918
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189 void *pixels;
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diff changeset
190 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.
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parents: 1919
diff changeset
191 SDL_DirtyRectList dirty;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
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diff changeset
192 int HACK_RYAN_FIXME;
1918
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193 } GL_TextureData;
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194
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195
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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196 static void
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diff changeset
197 GL_SetError(const char *prefix, GLenum result)
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198 {
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diff changeset
199 const char *error;
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200
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diff changeset
201 switch (result) {
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202 case GL_NO_ERROR:
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203 error = "GL_NO_ERROR";
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diff changeset
204 break;
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diff changeset
205 case GL_INVALID_ENUM:
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diff changeset
206 error = "GL_INVALID_ENUM";
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diff changeset
207 break;
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diff changeset
208 case GL_INVALID_VALUE:
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diff changeset
209 error = "GL_INVALID_VALUE";
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diff changeset
210 break;
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diff changeset
211 case GL_INVALID_OPERATION:
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diff changeset
212 error = "GL_INVALID_OPERATION";
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diff changeset
213 break;
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diff changeset
214 case GL_STACK_OVERFLOW:
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diff changeset
215 error = "GL_STACK_OVERFLOW";
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diff changeset
216 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
217 case GL_STACK_UNDERFLOW:
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diff changeset
218 error = "GL_STACK_UNDERFLOW";
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diff changeset
219 break;
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diff changeset
220 case GL_OUT_OF_MEMORY:
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diff changeset
221 error = "GL_OUT_OF_MEMORY";
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diff changeset
222 break;
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diff changeset
223 case GL_TABLE_TOO_LARGE:
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diff changeset
224 error = "GL_TABLE_TOO_LARGE";
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diff changeset
225 break;
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diff changeset
226 default:
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diff changeset
227 error = "UNKNOWN";
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diff changeset
228 break;
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diff changeset
229 }
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diff changeset
230 SDL_SetError("%s: %s", prefix, error);
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diff changeset
231 }
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diff changeset
232
1927
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233 static int
aeb8263d377a OpenGL renderer is feature complete!
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234 GL_LoadFunctions(GL_RenderData * data)
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235 {
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diff changeset
236 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
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diff changeset
237 #define __SDL_NOGETPROCADDR__
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diff changeset
238 #elif defined(__MINT__)
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diff changeset
239 #define __SDL_NOGETPROCADDR__
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diff changeset
240 #endif
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diff changeset
241 #ifdef __SDL_NOGETPROCADDR__
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diff changeset
242 #define SDL_PROC(ret,func,params) data->func=func;
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diff changeset
243 #else
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diff changeset
244 #define SDL_PROC(ret,func,params) \
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diff changeset
245 do { \
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diff changeset
246 data->func = SDL_GL_GetProcAddress(#func); \
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diff changeset
247 if ( ! data->func ) { \
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248 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \
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diff changeset
249 return -1; \
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diff changeset
250 } \
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
251 } while ( 0 );
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
252 #endif /* __SDL_NOGETPROCADDR__ */
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253
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
254 #include "SDL_glfuncs.h"
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diff changeset
255 #undef SDL_PROC
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diff changeset
256 return 0;
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
257 }
aeb8263d377a OpenGL renderer is feature complete!
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258
1918
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
259 void
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diff changeset
260 GL_AddRenderDriver(_THIS)
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261 {
1920
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diff changeset
262 if (_this->GL_CreateContext) {
1918
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diff changeset
263 SDL_AddRenderDriver(0, &GL_RenderDriver);
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264 }
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265 }
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266
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diff changeset
267 SDL_Renderer *
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268 GL_CreateRenderer(SDL_Window * window, Uint32 flags)
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269 {
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diff changeset
270 SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer...
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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;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
314 renderer->SetDrawColor = GL_SetDrawColor;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
315 renderer->SetDrawBlendMode = GL_SetDrawBlendMode;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
316 renderer->RenderLine = GL_RenderLine;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 renderer->RenderFill = GL_RenderFill;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 renderer->RenderCopy = GL_RenderCopy;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 renderer->info = GL_RenderDriver.info;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 renderer->window = window->id;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 renderer->info.flags =
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
327 (SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
329 if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
330 GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
331 return NULL;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
332 }
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
333
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 data->context = SDL_GL_CreateContext(window->id);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 }
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
343 #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
344 /* 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
345 /* 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
346 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
347 */
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
348 #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
349
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
350 if (flags & SDL_RENDERER_PRESENTVSYNC) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 } else {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 if (SDL_GL_GetSwapInterval() > 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
356 renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
359 if (SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &doublebuffer) == 0) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
360 if (!doublebuffer) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
361 renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
362 }
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
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
365 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
366 renderer->info.max_texture_width = value;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
367 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
368 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
369
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
370 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
371 || SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
372 data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
373 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
374 if (SDL_GL_ExtensionSupported("GL_EXT_paletted_texture")) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
375 data->GL_EXT_paletted_texture_supported = SDL_TRUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
376 data->glColorTableEXT =
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
377 (PFNGLCOLORTABLEEXTPROC) SDL_GL_GetProcAddress("glColorTableEXT");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
378 } else {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
379 /* 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
380 Uint32 i, j;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
381 SDL_RendererInfo *info = &renderer->info;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
382 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
383 if (info->texture_formats[i] != SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
384 info->texture_formats[j++] = info->texture_formats[i];
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
385 }
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 --info->num_texture_formats;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
388 }
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
389 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
390 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
391 }
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
392 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
393 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
394 }
2233
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
395 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
396 data->glTextureRangeAPPLE =
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
397 (void (*)(GLenum, GLsizei, const GLvoid *))
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
398 SDL_GL_GetProcAddress("glTextureRangeAPPLE");
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
399 }
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
400
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
401 /* 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
402 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
403 /* !!! 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
404 /* !!! 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
405 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
406 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
407 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
408 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
409 data->glProgramLocalParameter4fvARB =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
410 (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
411 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
412 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
413 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
414 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
415 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
416 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
417 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
418 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
419 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
420 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
421 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
422
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 /* Set up parameters for rendering */
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
424 data->blendMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
425 data->scaleMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
426 data->glDisable(GL_DEPTH_TEST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
427 data->glDisable(GL_CULL_FACE);
2893
e67f3f3bf221 Turn on line antialiasing (requires blending to be enabled)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
428 data->glEnable(GL_LINE_SMOOTH);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
429 if (data->GL_ARB_texture_rectangle_supported) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
430 data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
431 } else {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
432 data->glEnable(GL_TEXTURE_2D);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
433 }
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
434 data->updateSize = SDL_TRUE;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 return renderer;
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
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
439 static void
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
440 SetBlendMode(GL_RenderData * data, int blendMode)
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
441 {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
442 if (blendMode != data->blendMode) {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
443 switch (blendMode) {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
444 case SDL_BLENDMODE_NONE:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
445 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
446 data->glDisable(GL_BLEND);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
447 break;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
448 case SDL_BLENDMODE_MASK:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
449 case SDL_BLENDMODE_BLEND:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
450 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
451 data->glEnable(GL_BLEND);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
452 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
453 break;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
454 case SDL_BLENDMODE_ADD:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
455 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
456 data->glEnable(GL_BLEND);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
457 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
458 break;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
459 case SDL_BLENDMODE_MOD:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
460 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
461 data->glEnable(GL_BLEND);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
462 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
463 break;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
464 }
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
465 data->blendMode = blendMode;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
466 }
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
467 }
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
468
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
469 static int
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
470 GL_ActivateRenderer(SDL_Renderer * renderer)
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 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
473 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
474
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
475 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
476 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
477 }
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
478 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
479 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
480 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
481 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
482 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
483 data->glViewport(0, 0, window->w, window->h);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
484 data->glOrtho(0.0, (GLdouble) window->w, (GLdouble) window->h, 0.0,
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
485 0.0, 1.0);
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
486 data->updateSize = SDL_FALSE;
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
487 }
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
488 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
489 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
490
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
491 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
492 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
493 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
494 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
495
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
496 /* 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
497 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
498 return GL_ActivateRenderer(renderer);
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
499 }
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
500
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
501 static __inline__ int
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
502 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
503 {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
504 int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
505
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
506 while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
507 value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
508 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
509 return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
510 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
511
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
512
2858
a38fcb093081 A little cleanup for SDL snapshot release
Sam Lantinga <slouken@libsdl.org>
parents: 2848
diff changeset
513 //#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
514
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
515 static GLuint
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
516 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
517 {
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
518 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
519 const char *replacement = have_texture_rects ? "RECT" : "2D";
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
520 const size_t replacementlen = strlen(replacement);
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
521 const char *token = "%TEXTURETARGET%";
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
522 const size_t tokenlen = strlen(token);
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
523 char *code = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
524 char *ptr = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
525 GLuint program = 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
526
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
527 /*
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
528 * 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
529 * 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
530 * compiling the shader.
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
531 */
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
532 code = SDL_strdup(_code);
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
533 if (code == NULL)
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
534 return 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
535
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
536 for (ptr = SDL_strstr(code, token); ptr; ptr = SDL_strstr(ptr + 1, token)) {
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
537 memcpy(ptr, replacement, replacementlen);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
538 memmove(ptr + replacementlen, ptr + tokenlen,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
539 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
540 }
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
541
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
542 #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
543 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
544 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
545
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
546 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
547 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
548 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
549 data->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
550 SDL_strlen(code), code);
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
551
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
552 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
553
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
554 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
555 #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
556 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
557 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
558 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
559 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
560 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
561 (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
562 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
563 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
564 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
565 return 0;
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
566 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
567
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
568 return program;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
569 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
570
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
571
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
572 /*
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
573 * Fragment program that renders from UYVY textures.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
574 * The UYVY to RGB equasion is:
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
575 * R = 1.164(Y-16) + 1.596(Cr-128)
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
576 * 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
577 * B = 1.164(Y-16) + 2.018(Cb-128)
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
578 * 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
579 * 4 bytes == 2 pixels: Y1/Cb/Cr, Y2/Cb/Cr
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
580 *
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
581 * !!! FIXME: this ignores blendmodes, etc.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
582 * !!! 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
583 */
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
584 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
585 /* outputs... */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
586 "OUTPUT outcolor = result.color;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
587 /* scratch registers... */
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
588 "TEMP uyvy;\n" "TEMP luminance;\n" "TEMP work;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
589 /* 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
590 "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
591 /* 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
592 "TEX uyvy, work, texture[0], %TEXTURETARGET%;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
593 /* 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
594 "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
595 /* Choose the luminance component by texcoord. */
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
596 /* !!! 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
597 "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
598 "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
599 /* 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
600 "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
601 /* 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
602 "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
603 /* 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
604 "ADD work.rgb, luminance, uyvy;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
605 /* 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
606 "ADD work.g, work.g, uyvy.w;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
607 /* 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
608 "MOV work.a, { 1.0 };\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
609 /* 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
610 "MOV outcolor, work;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
611 /* ...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
612 "END\n";
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
613
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
614
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
615 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
616 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
617 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
618 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
619 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
620 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
621 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
622 GLenum format, type;
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
623 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
624 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
625 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
626
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
627 switch (texture->format) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
628 case SDL_PIXELFORMAT_INDEX1LSB:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
629 case SDL_PIXELFORMAT_INDEX1MSB:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
630 internalFormat = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
631 format = GL_COLOR_INDEX;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
632 type = GL_BITMAP;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
633 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
634 case SDL_PIXELFORMAT_INDEX8:
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
635 if (!renderdata->GL_EXT_paletted_texture_supported) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
636 SDL_SetError("Unsupported texture format");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
637 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
638 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
639 internalFormat = GL_COLOR_INDEX8_EXT;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
640 format = GL_COLOR_INDEX;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
641 type = GL_UNSIGNED_BYTE;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
642 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
643 case SDL_PIXELFORMAT_RGB332:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
644 internalFormat = GL_R3_G3_B2;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
645 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
646 type = GL_UNSIGNED_BYTE_3_3_2;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
647 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
648 case SDL_PIXELFORMAT_RGB444:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
649 internalFormat = GL_RGB4;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
650 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
651 type = GL_UNSIGNED_SHORT_4_4_4_4;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
652 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
653 case SDL_PIXELFORMAT_RGB555:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
654 internalFormat = GL_RGB5;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
655 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
656 type = GL_UNSIGNED_SHORT_5_5_5_1;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
657 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
658 case SDL_PIXELFORMAT_ARGB4444:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
659 internalFormat = GL_RGBA4;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
660 format = GL_BGRA;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
661 type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
662 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
663 case SDL_PIXELFORMAT_ARGB1555:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
664 internalFormat = GL_RGB5_A1;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
665 format = GL_BGRA;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
666 type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
667 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
668 case SDL_PIXELFORMAT_RGB565:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
669 internalFormat = GL_RGB8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
670 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
671 type = GL_UNSIGNED_SHORT_5_6_5;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
672 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
673 case SDL_PIXELFORMAT_RGB24:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
674 internalFormat = GL_RGB8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
675 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
676 type = GL_UNSIGNED_BYTE;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
677 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
678 case SDL_PIXELFORMAT_RGB888:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
679 internalFormat = GL_RGB8;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
680 format = GL_BGRA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
681 type = GL_UNSIGNED_BYTE;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
682 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
683 case SDL_PIXELFORMAT_BGR24:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
684 internalFormat = GL_RGB8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
685 format = GL_BGR;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
686 type = GL_UNSIGNED_BYTE;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
687 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
688 case SDL_PIXELFORMAT_BGR888:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
689 internalFormat = GL_RGB8;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
690 format = GL_RGBA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
691 type = GL_UNSIGNED_BYTE;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
692 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
693 case SDL_PIXELFORMAT_ARGB8888:
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
694 #ifdef __MACOSX__
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
695 internalFormat = GL_RGBA;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
696 format = GL_BGRA;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
697 type = GL_UNSIGNED_INT_8_8_8_8_REV;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
698 #else
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
699 internalFormat = GL_RGBA8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
700 format = GL_BGRA;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
701 type = GL_UNSIGNED_BYTE;
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
702 #endif
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
703 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
704 case SDL_PIXELFORMAT_ABGR8888:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
705 internalFormat = GL_RGBA8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
706 format = GL_RGBA;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
707 type = GL_UNSIGNED_BYTE;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
708 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
709 case SDL_PIXELFORMAT_ARGB2101010:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
710 internalFormat = GL_RGB10_A2;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
711 format = GL_BGRA;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
712 type = GL_UNSIGNED_INT_2_10_10_10_REV;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
713 break;
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
714 case SDL_PIXELFORMAT_UYVY:
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
715 if (renderdata->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
716 internalFormat = GL_RGB;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
717 format = GL_YCBCR_422_APPLE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
718 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
719 type = GL_UNSIGNED_SHORT_8_8_APPLE;
2844
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the
Sam Lantinga <slouken@libsdl.org>
parents: 2843
diff changeset
720 #else
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
721 type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
722 #endif
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
723 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
724 internalFormat = GL_RGB;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
725 format = GL_YCBCR_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
726 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
727 type = GL_UNSIGNED_SHORT_8_8_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
728 #else
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
729 type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
730 #endif
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
731 } else if (renderdata->GL_ARB_fragment_program_supported) {
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
732 if (renderdata->fragment_program_UYVY == 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
733 renderdata->fragment_program_UYVY =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
734 compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB,
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
735 fragment_program_UYVY_source_code);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
736 if (renderdata->fragment_program_UYVY == 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
737 SDL_SetError("Fragment program compile error");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
738 return -1;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
739 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
740 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
741 shader = renderdata->fragment_program_UYVY;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
742 internalFormat = GL_RGBA;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
743 format = GL_RGBA;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
744 type = GL_UNSIGNED_BYTE;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
745 } else {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
746 SDL_SetError("Unsupported texture format");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
747 return -1;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
748 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
749 break;
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
750 case SDL_PIXELFORMAT_YUY2:
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
751 if (renderdata->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
752 internalFormat = GL_RGB;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
753 format = GL_YCBCR_422_APPLE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
754 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
755 type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
756 #else
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
757 type = GL_UNSIGNED_SHORT_8_8_APPLE;
2844
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the
Sam Lantinga <slouken@libsdl.org>
parents: 2843
diff changeset
758 #endif
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
759 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
760 internalFormat = GL_RGB;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
761 format = GL_YCBCR_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
762 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
763 type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
764 #else
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
765 type = GL_UNSIGNED_SHORT_8_8_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
766 #endif
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
767 } else {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
768 SDL_SetError("Unsupported texture format");
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
769 return -1;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
770 }
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
771 break;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
772 default:
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
773 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
774 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
775 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
776
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
777 data = (GL_TextureData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
778 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
779 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
780 return -1;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
781 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
782
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
783 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
784
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
785 if (texture->format == SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
786 data->palette = (Uint8 *) SDL_malloc(3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
787 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
788 SDL_OutOfMemory();
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
789 SDL_free(data);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
790 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
791 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
792 SDL_memset(data->palette, 0xFF, 3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
793 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
794
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
795 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
796 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
797 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
798 if (!data->pixels) {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
799 SDL_OutOfMemory();
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
800 SDL_free(data);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
801 return -1;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
802 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
803 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
804
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
805 texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
806
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
807 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
808 renderdata->glGenTextures(1, &data->texture);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
809 if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
810 data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
811 texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
812 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
813 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
814 data->texh = (GLfloat) texture_h;
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
815 } else {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
816 data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
817 texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
818 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
819 data->texw = (GLfloat) (texture->w) / texture_w;
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
820 data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
821 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
822
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
823 /* YUV formats use RGBA but are really two bytes per pixel */
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
824 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
825 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
826 } else {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
827 data->HACK_RYAN_FIXME = 1;
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
828 }
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
829 texture_w /= data->HACK_RYAN_FIXME;
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
830
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
831 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
832 data->formattype = type;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
833 renderdata->glEnable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
834 renderdata->glBindTexture(data->type, data->texture);
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
835 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
836 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
837 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
838 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
839 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
840 GL_CLAMP_TO_EDGE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
841 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
842 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
843 #ifdef __MACOSX__
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
844 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
845 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
846 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
847 #ifndef STORAGE_CACHED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
848 #define STORAGE_CACHED_APPLE 0x85BE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
849 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
850 #ifndef STORAGE_SHARED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
851 #define STORAGE_SHARED_APPLE 0x85BF
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
852 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
853 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
854 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
855 GL_STORAGE_SHARED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
856 } else {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
857 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
858 GL_STORAGE_CACHED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
859 }
2809
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay
Sam Lantinga <slouken@libsdl.org>
parents: 2808
diff changeset
860 /* 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
861 #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
862 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
863 && 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
864 /*
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
865 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
866 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
867 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
868 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
869 }
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
870 */
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
871 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
872 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
873 texture_h, 0, format, type, data->pixels);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
874 } else
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
875 #endif
2809
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay
Sam Lantinga <slouken@libsdl.org>
parents: 2808
diff changeset
876 #endif
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
877 {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
878 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
879 texture_h, 0, format, type, NULL);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
880 }
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
881 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
882 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
883 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
884 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
885 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
886 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
887 }
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 static int
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
890 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
891 void **pixels, int *pitch)
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
892 {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
893 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
894
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
895 *pixels = data->pixels;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
896 *pitch = data->pitch;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
897 return 0;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
898 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
899
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
900 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
901 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
902 const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
903 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
904 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
905 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
906 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
907
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
908 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
909 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
910 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
911 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
912 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
913 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
914 *palette++ = colors->r;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
915 *palette++ = colors->g;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
916 *palette++ = colors->b;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
917 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
918 }
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
919 renderdata->glEnable(data->type);
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
920 renderdata->glBindTexture(data->type, data->texture);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
921 renderdata->glColorTableEXT(data->type, GL_RGB8, 256, GL_RGB,
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
922 GL_UNSIGNED_BYTE, data->palette);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
923 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
924 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
925
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
926 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
927 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
928 SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
929 {
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
930 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
931 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
932 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
933
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
934 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
935 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
936 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
937 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
938 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
939 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
940 colors->r = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
941 colors->g = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
942 colors->b = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
943 colors->unused = SDL_ALPHA_OPAQUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
944 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
945 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
946 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
947 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
948
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
949 static void
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
950 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
951 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
952 {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
953 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
954 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
955 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
956 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
957 }
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
958 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
959 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
960 (pitch / bytes_per_pixel(texture->format)) /
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
961 ((GL_TextureData *) texture->driverdata)->
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
962 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
963 }
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
964
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
965 static int
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
966 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
967 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
968 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
969 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
970
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
971 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
972 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
973 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
974 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
975 }
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 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
978 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
979 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
980 switch (texture->blendMode) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
981 case SDL_BLENDMODE_NONE:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
982 case SDL_BLENDMODE_MASK:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
983 case SDL_BLENDMODE_BLEND:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
984 case SDL_BLENDMODE_ADD:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
985 case SDL_BLENDMODE_MOD:
1985
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 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
988 SDL_Unsupported();
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
989 texture->blendMode = SDL_BLENDMODE_NONE;
1985
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 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
992 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
993
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
994 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
995 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
996 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
997 switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
998 case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
999 case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1000 case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1001 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1002 case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1003 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1004 texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1005 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1006 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1007 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1008 texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1009 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1010 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1011 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1012
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1013 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1014 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1015 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1016 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1017 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1018 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
1019 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1020
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1021 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1022 SetupTextureUpdate(renderdata, texture, pitch);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1023 renderdata->glEnable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1024 renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1025 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
1026 rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1027 pixels);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1028 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
1029 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
1030 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
1031 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
1032 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1033 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1034 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1035
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1036 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1037 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1038 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1039 int *pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1040 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1041 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1042
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
1043 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
1044 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
1045 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1046
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
1047 *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
1048 (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
1049 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
1050 *pitch = data->pitch;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1051 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1052 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1053
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1054 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1055 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1056 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1057 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1058
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1059 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1060 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1061 const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1062 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1063 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1064 int i;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1065
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1066 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
1067 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1068 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1069 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1070
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1071 static int
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1072 GL_SetDrawColor(SDL_Renderer * renderer)
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1073 {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1074 return 0;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1075 }
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1076
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1077 static int
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1078 GL_SetDrawBlendMode(SDL_Renderer * renderer)
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1079 {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1080 return 0;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1081 }
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1082
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1083 static int
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1084 GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1085 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1086 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1087 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1088
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1089 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
1090 (GLfloat) renderer->g * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1091 (GLfloat) renderer->b * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1092 (GLfloat) renderer->a * inv255f);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1093 SetBlendMode(data, renderer->blendMode);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1094 data->glRecti(rect->x, rect->y, rect->x + rect->w, rect->y + rect->h);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1095
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1096 return 0;
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
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1099 static int
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1100 GL_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
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 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
1103 //data->glLineWidth(1.0);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1104 //data->glPointSize(1.0);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1105
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1106 SetBlendMode(data, renderer->blendMode);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1107
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1108 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
1109 (GLfloat) renderer->g * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1110 (GLfloat) renderer->b * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1111 (GLfloat) renderer->a * inv255f);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1112
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1113 if ((x1 == x2) && (y1 == y2)) {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1114 data->glBegin(GL_POINTS);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1115 data->glVertex2i(x1, y1);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1116 data->glEnd();
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1117 } else {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1118 data->glBegin(GL_LINES);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1119 data->glVertex2i(x1, y1);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1120 data->glVertex2i(x2, y2);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1121 data->glEnd();
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1122 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1123 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1124 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1125
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1126 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1127 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
1128 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1129 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1130 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1131 GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1132 int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1133 GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1134
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents: 2246
diff changeset
1135 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
1136 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
1137 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
1138 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
1139 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
1140
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1141 SetupTextureUpdate(data, texture, pitch);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1142 data->glEnable(texturedata->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1143 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
1144 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
1145 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
1146 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
1147 (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
1148 rect->x * bpp);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1149 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
1150 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
1151 rect->h, texturedata->format,
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1152 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
1153 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1154 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
1155 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1156
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1157 minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1158 miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1159 maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1160 maxy = dstrect->y + dstrect->h;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1161
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1162 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
1163 minu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1164 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
1165 maxu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1166 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
1167 minv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1168 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
1169 maxv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1170
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1171 data->glEnable(texturedata->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1172 data->glBindTexture(texturedata->type, texturedata->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1173
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1174 if (texture->modMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1175 data->glColor4f((GLfloat) texture->r * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1176 (GLfloat) texture->g * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1177 (GLfloat) texture->b * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1178 (GLfloat) texture->a * inv255f);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1179 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1180 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
1181 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1182
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1183 SetBlendMode(data, texture->blendMode);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1184
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1185 if (texture->scaleMode != data->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1186 switch (texture->scaleMode) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1187 case SDL_TEXTURESCALEMODE_NONE:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1188 case SDL_TEXTURESCALEMODE_FAST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1189 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1190 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1191 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1192 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1193 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1194 case SDL_TEXTURESCALEMODE_SLOW:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1195 case SDL_TEXTURESCALEMODE_BEST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1196 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1197 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1198 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1199 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1200 break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1201 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1202 data->scaleMode = texture->scaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1203 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1204
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1205 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
1206 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
1207 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
1208 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1209
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1210 data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1211 data->glTexCoord2f(minu, minv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1212 data->glVertex2i(minx, miny);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1213 data->glTexCoord2f(maxu, minv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1214 data->glVertex2i(maxx, miny);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1215 data->glTexCoord2f(minu, maxv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1216 data->glVertex2i(minx, maxy);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1217 data->glTexCoord2f(maxu, maxv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1218 data->glVertex2i(maxx, maxy);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1219 data->glEnd();
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1220
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1221 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
1222 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
1223 }
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1224
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1225 data->glDisable(texturedata->type);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1226
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1227 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1228 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1229
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1230 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1231 GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1232 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1233 SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1234 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1235
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1236 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1237 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1238 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1239 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1240 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1241
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1242 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1243 return;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1244 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1245 if (data->texture) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1246 renderdata->glDeleteTextures(1, &data->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1247 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1248 if (data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1249 SDL_free(data->palette);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1250 }
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
1251 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
1252 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
1253 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1254 SDL_FreeDirtyRects(&data->dirty);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1255 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1256 texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1257 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1258
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1974
diff changeset
1259 static void
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1260 GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1261 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1262 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1263
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1264 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
1265 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
1266 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
1267 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
1268 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
1269 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
1270 data->glDeleteProgramsARB(1,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1271 &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
1272 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1273 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1274
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
1275 /* 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
1276 SDL_GL_DeleteContext(data->context);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1277 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1278 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1279 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1280 SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1281 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1282
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
1283 #endif /* SDL_VIDEO_RENDER_OGL */
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1284
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1285 /* vi: set ts=4 sw=4 expandtab: */