annotate src/video/SDL_renderer_gl.c @ 5081:f2d8e0b59cca

Trying to close Andreas' branch again.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 23 Jan 2011 22:34:19 -0800
parents 6cf71111cf68
children 9779093454d2
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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
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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
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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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48 if (!SDL_ISPIXELFORMAT_FOURCC(format)) {
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49 return SDL_BYTESPERPIXEL(format);
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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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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
8055185ae4ed Added source color and alpha modulation support.
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82 static int GL_SetTextureColorMod(SDL_Renderer * renderer,
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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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85 SDL_Texture * texture);
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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
8055185ae4ed Added source color and alpha modulation support.
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parents: 1975
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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_RenderClear(SDL_Renderer * renderer);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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100 static int GL_RenderDrawPoints(SDL_Renderer * renderer,
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101 const SDL_Point * points, int count);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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102 static int GL_RenderDrawLines(SDL_Renderer * renderer,
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103 const SDL_Point * points, int count);
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104 static int GL_RenderDrawRects(SDL_Renderer * renderer,
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105 const SDL_Rect ** rects, int count);
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106 static int GL_RenderFillRects(SDL_Renderer * renderer,
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107 const SDL_Rect ** rects, int count);
1918
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108 static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985
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parents: 1975
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109 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
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110 static int GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
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111 Uint32 pixel_format, void * pixels, int pitch);
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112 static int GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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113 Uint32 pixel_format, const void * pixels, int pitch);
1918
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114 static void GL_RenderPresent(SDL_Renderer * renderer);
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115 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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116 static void GL_DestroyRenderer(SDL_Renderer * renderer);
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117
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118
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119 SDL_RenderDriver GL_RenderDriver = {
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120 GL_CreateRenderer,
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121 {
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122 "opengl",
1974
70deaf574153 Added paletted OpenGL texture support.
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parents: 1970
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123 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD |
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parents: 1970
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124 SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED),
1985
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parents: 1975
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125 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
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126 SDL_TEXTUREMODULATE_ALPHA),
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127 (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK |
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128 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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129 (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST |
a788656ca29a SDL constants are all uppercase.
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parents: 1952
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130 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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131 15,
1918
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132 {
1965
a788656ca29a SDL constants are all uppercase.
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parents: 1952
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133 SDL_PIXELFORMAT_INDEX1LSB,
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parents: 1952
diff changeset
134 SDL_PIXELFORMAT_INDEX1MSB,
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parents: 1952
diff changeset
135 SDL_PIXELFORMAT_INDEX8,
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parents: 1952
diff changeset
136 SDL_PIXELFORMAT_RGB332,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
137 SDL_PIXELFORMAT_RGB444,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
138 SDL_PIXELFORMAT_RGB555,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
139 SDL_PIXELFORMAT_ARGB4444,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
140 SDL_PIXELFORMAT_ARGB1555,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
141 SDL_PIXELFORMAT_RGB565,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
142 SDL_PIXELFORMAT_RGB24,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
143 SDL_PIXELFORMAT_BGR24,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
144 SDL_PIXELFORMAT_RGB888,
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
145 SDL_PIXELFORMAT_BGR888,
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Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
146 SDL_PIXELFORMAT_ARGB8888,
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Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
147 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
148 SDL_PIXELFORMAT_ARGB2101010},
1918
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149 0,
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parents:
diff changeset
150 0}
092bd3a019c5 Starting on the OpenGL renderer...
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parents:
diff changeset
151 };
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152
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153 typedef struct
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parents:
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154 {
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parents:
diff changeset
155 SDL_GLContext context;
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
156 SDL_bool updateSize;
2233
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
157 SDL_bool GL_ARB_texture_rectangle_supported;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
158 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
159 SDL_bool GL_APPLE_ycbcr_422_supported;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
160 SDL_bool GL_MESA_ycbcr_texture_supported;
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
161 SDL_bool GL_ARB_fragment_program_supported;
1927
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
162 int blendMode;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
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diff changeset
163 int scaleMode;
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
164
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
165 /* OpenGL functions */
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diff changeset
166 #define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
167 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
168 #undef SDL_PROC
1974
70deaf574153 Added paletted OpenGL texture support.
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parents: 1970
diff changeset
169
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
170 PFNGLCOLORTABLEEXTPROC glColorTableEXT;
2233
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
171 void (*glTextureRangeAPPLE) (GLenum target, GLsizei length,
fb01ee9716bc Test using glTextureRangeAPPLE
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parents: 2230
diff changeset
172 const GLvoid * pointer);
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
173
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
174 PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
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 PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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parents: 2833
diff changeset
176 PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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parents: 2833
diff changeset
177 PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
178 PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
179 PFNGLBINDPROGRAMARBPROC glBindProgramARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
180 PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
181
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
182 /* (optional) fragment programs */
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
183 GLuint fragment_program_mask;
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
184 GLuint fragment_program_UYVY;
1918
092bd3a019c5 Starting on the OpenGL renderer...
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185 } GL_RenderData;
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186
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diff changeset
187 typedef struct
092bd3a019c5 Starting on the OpenGL renderer...
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188 {
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parents:
diff changeset
189 GLuint texture;
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
190 GLuint shader;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
191 GLenum type;
1918
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192 GLfloat texw;
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diff changeset
193 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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parents: 1919
diff changeset
194 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
195 GLenum formattype;
1974
70deaf574153 Added paletted OpenGL texture support.
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diff changeset
196 Uint8 *palette;
1918
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diff changeset
197 void *pixels;
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diff changeset
198 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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diff changeset
199 SDL_DirtyRectList dirty;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
200 int HACK_RYAN_FIXME;
1918
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parents:
diff changeset
201 } GL_TextureData;
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202
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203
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
204 static void
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
205 GL_SetError(const char *prefix, GLenum result)
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
206 {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
207 const char *error;
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diff changeset
208
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
209 switch (result) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
210 case GL_NO_ERROR:
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diff changeset
211 error = "GL_NO_ERROR";
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diff changeset
212 break;
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diff changeset
213 case GL_INVALID_ENUM:
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diff changeset
214 error = "GL_INVALID_ENUM";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
215 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
216 case GL_INVALID_VALUE:
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diff changeset
217 error = "GL_INVALID_VALUE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
218 break;
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diff changeset
219 case GL_INVALID_OPERATION:
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diff changeset
220 error = "GL_INVALID_OPERATION";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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parents: 1923
diff changeset
221 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
222 case GL_STACK_OVERFLOW:
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diff changeset
223 error = "GL_STACK_OVERFLOW";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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parents: 1923
diff changeset
224 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
225 case GL_STACK_UNDERFLOW:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
226 error = "GL_STACK_UNDERFLOW";
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diff changeset
227 break;
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parents: 1923
diff changeset
228 case GL_OUT_OF_MEMORY:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
229 error = "GL_OUT_OF_MEMORY";
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parents: 1923
diff changeset
230 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
231 case GL_TABLE_TOO_LARGE:
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diff changeset
232 error = "GL_TABLE_TOO_LARGE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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parents: 1923
diff changeset
233 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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parents: 1923
diff changeset
234 default:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
235 error = "UNKNOWN";
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diff changeset
236 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
237 }
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
238 SDL_SetError("%s: %s", prefix, error);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
239 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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diff changeset
240
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
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diff changeset
241 static int
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
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diff changeset
242 GL_LoadFunctions(GL_RenderData * data)
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
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diff changeset
243 {
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
244 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
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diff changeset
245 #define __SDL_NOGETPROCADDR__
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246 #endif
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
247 #ifdef __SDL_NOGETPROCADDR__
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diff changeset
248 #define SDL_PROC(ret,func,params) data->func=func;
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diff changeset
249 #else
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diff changeset
250 #define SDL_PROC(ret,func,params) \
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diff changeset
251 do { \
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
252 data->func = SDL_GL_GetProcAddress(#func); \
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
253 if ( ! data->func ) { \
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254 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \
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255 return -1; \
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
256 } \
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
257 } while ( 0 );
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
258 #endif /* __SDL_NOGETPROCADDR__ */
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diff changeset
259
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
260 #include "SDL_glfuncs.h"
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diff changeset
261 #undef SDL_PROC
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diff changeset
262 return 0;
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
263 }
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
264
1918
092bd3a019c5 Starting on the OpenGL renderer...
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265 SDL_Renderer *
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
266 GL_CreateRenderer(SDL_Window * window, Uint32 flags)
092bd3a019c5 Starting on the OpenGL renderer...
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267 {
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diff changeset
268 SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 GL_RenderData *data;
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
270 GLint value;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
271 int doublebuffer;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
273 /* Render directly to the window, unless we're compositing */
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
274 #ifndef __MACOSX__
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
275 if (flags & SDL_RENDERER_SINGLEBUFFER) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
276 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
277 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
278 #endif
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 if (!(window->flags & SDL_WINDOW_OPENGL)) {
1928
861bc36f0ab3 Fixed crash with multiple windows
Sam Lantinga <slouken@libsdl.org>
parents: 1927
diff changeset
280 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
281 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
282 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284
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
285 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 if (!renderer) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290
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
291 data = (GL_RenderData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
298 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
299 renderer->DisplayModeChanged = GL_DisplayModeChanged;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 renderer->CreateTexture = GL_CreateTexture;
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
301 renderer->QueryTexturePixels = GL_QueryTexturePixels;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 renderer->SetTexturePalette = GL_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 renderer->GetTexturePalette = GL_GetTexturePalette;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
304 renderer->SetTextureColorMod = GL_SetTextureColorMod;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
305 renderer->SetTextureAlphaMod = GL_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
306 renderer->SetTextureBlendMode = GL_SetTextureBlendMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
307 renderer->SetTextureScaleMode = GL_SetTextureScaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 renderer->UpdateTexture = GL_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 renderer->LockTexture = GL_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 renderer->UnlockTexture = GL_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 renderer->DirtyTexture = GL_DirtyTexture;
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
312 renderer->RenderClear = GL_RenderClear;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
313 renderer->RenderDrawPoints = GL_RenderDrawPoints;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
314 renderer->RenderDrawLines = GL_RenderDrawLines;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
315 renderer->RenderDrawRects = GL_RenderDrawRects;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
316 renderer->RenderFillRects = GL_RenderFillRects;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 renderer->RenderCopy = GL_RenderCopy;
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
318 renderer->RenderReadPixels = GL_RenderReadPixels;
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
319 renderer->RenderWritePixels = GL_RenderWritePixels;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 renderer->info = GL_RenderDriver.info;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3607
diff changeset
324 renderer->window = window;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 renderer->info.flags =
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
328 (SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
330 if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
331 GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
332 return NULL;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
333 }
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
334
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3607
diff changeset
335 data->context = SDL_GL_CreateContext(window);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 }
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3607
diff changeset
340 if (SDL_GL_MakeCurrent(window, data->context) < 0) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 }
2246
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO
Sam Lantinga <slouken@libsdl.org>
parents: 2237
diff changeset
344 #ifdef __MACOSX__
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO
Sam Lantinga <slouken@libsdl.org>
parents: 2237
diff changeset
345 /* Enable multi-threaded rendering */
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO
Sam Lantinga <slouken@libsdl.org>
parents: 2237
diff changeset
346 /* Disabled until Ryan finishes his VBO/PBO code...
2295
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob.
Bob Pendleton <bob@pendleton.com>
parents: 2275
diff changeset
347 CGLEnable(CGLGetCurrentContext(), kCGLCEMPEngine);
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob.
Bob Pendleton <bob@pendleton.com>
parents: 2275
diff changeset
348 */
2246
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO
Sam Lantinga <slouken@libsdl.org>
parents: 2237
diff changeset
349 #endif
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO
Sam Lantinga <slouken@libsdl.org>
parents: 2237
diff changeset
350
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
351 if (flags & SDL_RENDERER_PRESENTVSYNC) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 } else {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 if (SDL_GL_GetSwapInterval() > 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
357 renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
360 if (SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &doublebuffer) == 0) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
361 if (!doublebuffer) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
362 renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
363 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
364 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
365
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
366 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
367 renderer->info.max_texture_width = value;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
368 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
369 renderer->info.max_texture_height = value;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
370
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
371 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
372 || SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
373 data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
374 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
375 if (SDL_GL_ExtensionSupported("GL_EXT_paletted_texture")) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
376 data->GL_EXT_paletted_texture_supported = SDL_TRUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
377 data->glColorTableEXT =
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
378 (PFNGLCOLORTABLEEXTPROC) SDL_GL_GetProcAddress("glColorTableEXT");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
379 } else {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
380 /* Don't advertise support for 8-bit indexed texture format */
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
381 Uint32 i, j;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
382 SDL_RendererInfo *info = &renderer->info;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
383 for (i = 0, j = 0; i < info->num_texture_formats; ++i) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
384 if (info->texture_formats[i] != SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
385 info->texture_formats[j++] = info->texture_formats[i];
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
386 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
387 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
388 --info->num_texture_formats;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
389 }
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
390 if (SDL_GL_ExtensionSupported("GL_APPLE_ycbcr_422")) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
391 data->GL_APPLE_ycbcr_422_supported = SDL_TRUE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
392 }
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
393 if (SDL_GL_ExtensionSupported("GL_MESA_ycbcr_texture")) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
394 data->GL_MESA_ycbcr_texture_supported = SDL_TRUE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
395 }
2233
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
396 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
397 data->glTextureRangeAPPLE =
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
398 (void (*)(GLenum, GLsizei, const GLvoid *))
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
399 SDL_GL_GetProcAddress("glTextureRangeAPPLE");
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
400 }
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
401
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
402 /* we might use fragment programs for YUV data, etc. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
403 if (SDL_GL_ExtensionSupported("GL_ARB_fragment_program")) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
404 /* !!! FIXME: this doesn't check for errors. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
405 /* !!! FIXME: this should really reuse the glfuncs.h stuff. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
406 data->glGetProgramivARB = (PFNGLGETPROGRAMIVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
407 SDL_GL_GetProcAddress("glGetProgramivARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
408 data->glGetProgramStringARB = (PFNGLGETPROGRAMSTRINGARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
409 SDL_GL_GetProcAddress("glGetProgramStringARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
410 data->glProgramLocalParameter4fvARB =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
411 (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
412 SDL_GL_GetProcAddress("glProgramLocalParameter4fvARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
413 data->glDeleteProgramsARB = (PFNGLDELETEPROGRAMSARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
414 SDL_GL_GetProcAddress("glDeleteProgramsARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
415 data->glGenProgramsARB = (PFNGLGENPROGRAMSARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
416 SDL_GL_GetProcAddress("glGenProgramsARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
417 data->glBindProgramARB = (PFNGLBINDPROGRAMARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
418 SDL_GL_GetProcAddress("glBindProgramARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
419 data->glProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
420 SDL_GL_GetProcAddress("glProgramStringARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
421 data->GL_ARB_fragment_program_supported = SDL_TRUE;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
422 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
423
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 /* Set up parameters for rendering */
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
425 data->blendMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
426 data->scaleMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
427 data->glDisable(GL_DEPTH_TEST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
428 data->glDisable(GL_CULL_FACE);
3262
e3d33bd599eb Stefan Ullinger
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
429 /* This ended up causing video discrepancies between OpenGL and Direct3D */
e3d33bd599eb Stefan Ullinger
Sam Lantinga <slouken@libsdl.org>
parents: 3253
diff changeset
430 /*data->glEnable(GL_LINE_SMOOTH);*/
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
431 if (data->GL_ARB_texture_rectangle_supported) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
432 data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
433 } else {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
434 data->glEnable(GL_TEXTURE_2D);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
435 }
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
436 data->updateSize = SDL_TRUE;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 return renderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
441 static int
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
442 GL_ActivateRenderer(SDL_Renderer * renderer)
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
443 {
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
444 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3607
diff changeset
445 SDL_Window *window = renderer->window;
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
446
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3607
diff changeset
447 if (SDL_GL_MakeCurrent(window, data->context) < 0) {
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
448 return -1;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
449 }
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
450 if (data->updateSize) {
2836
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
451 data->glMatrixMode(GL_PROJECTION);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
452 data->glLoadIdentity();
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
453 data->glMatrixMode(GL_MODELVIEW);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
454 data->glLoadIdentity();
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
455 data->glViewport(0, 0, window->w, window->h);
3324
0f19b2fa4125 -0.5 is causing trouble according to comments in bug #783
Sam Lantinga <slouken@libsdl.org>
parents: 3283
diff changeset
456 data->glOrtho(0.0, (GLdouble) window->w,
0f19b2fa4125 -0.5 is causing trouble according to comments in bug #783
Sam Lantinga <slouken@libsdl.org>
parents: 3283
diff changeset
457 (GLdouble) window->h, 0.0, 0.0, 1.0);
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
458 data->updateSize = SDL_FALSE;
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
459 }
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
460 return 0;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
461 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
462
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
463 static int
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
464 GL_DisplayModeChanged(SDL_Renderer * renderer)
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
465 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
466 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
467
2836
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
468 /* Rebind the context to the window area and update matrices */
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
469 data->updateSize = SDL_TRUE;
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
470 return GL_ActivateRenderer(renderer);
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
471 }
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
472
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
473 static __inline__ int
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
474 power_of_2(int input)
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
475 {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
476 int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
477
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
478 while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
479 value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
480 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
481 return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
482 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
483
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
484
2858
a38fcb093081 A little cleanup for SDL snapshot release
Sam Lantinga <slouken@libsdl.org>
parents: 2848
diff changeset
485 //#define DEBUG_PROGRAM_COMPILE 1
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
486
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
487 static void
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
488 set_shader_error(GL_RenderData * data, const char *prefix)
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
489 {
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
490 GLint pos = 0;
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
491 const GLubyte *errstr;
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
492 data->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
493 errstr = data->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
3479
6f887204fa7a Whoops, actually set the SDL error, don't just print the error.
Sam Lantinga <slouken@libsdl.org>
parents: 3475
diff changeset
494 SDL_SetError("%s: shader compile error at position %d: %s",
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
495 prefix, (int) pos, (const char *) errstr);
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
496 }
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
497
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
498 static GLuint
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
499 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
500 {
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
501 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
502 const char *replacement = have_texture_rects ? "RECT" : "2D";
2918
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
503 const size_t replacementlen = SDL_strlen(replacement);
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
504 const char *token = "%TEXTURETARGET%";
2918
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
505 const size_t tokenlen = SDL_strlen(token);
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
506 char *code = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
507 char *ptr = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
508 GLuint program = 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
509
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
510 /*
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
511 * 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
512 * 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
513 * compiling the shader.
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
514 */
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
515 code = SDL_strdup(_code);
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
516 if (code == NULL)
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
517 return 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
518
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
519 for (ptr = SDL_strstr(code, token); ptr; ptr = SDL_strstr(ptr + 1, token)) {
2918
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
520 SDL_memcpy(ptr, replacement, replacementlen);
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
521 SDL_memmove(ptr + replacementlen, ptr + tokenlen,
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
522 SDL_strlen(ptr + tokenlen) + 1);
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
523 }
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
524
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
525 #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
526 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
527 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
528
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
529 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
530 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
531 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
532 data->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
3253
5d7ef5970073 Fixed issues building 64-bit Windows binary
Sam Lantinga <slouken@libsdl.org>
parents: 3041
diff changeset
533 (GLsizei)SDL_strlen(code), code);
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
534
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
535 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
536
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
537 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
538 #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
539 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
540 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
541 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
542 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
543 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
544 (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
545 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
546 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
547 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
548 return 0;
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
549 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
550
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
551 return program;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
552 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
553
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
554
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
555 /*
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
556 * Fragment program that implements mask semantics
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
557 */
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
558 static const char *fragment_program_mask_source_code = "!!ARBfp1.0\n"
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
559 "OUTPUT output = result.color;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
560 "TEMP value;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
561 "TEX value, fragment.texcoord[0], texture[0], %TEXTURETARGET%;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
562 "MUL value, fragment.color, value;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
563 "SGE value.a, value.a, 0.001;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
564 "MOV output, value;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
565 "END";
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
566
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
567 /*
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
568 * Fragment program that renders from UYVY textures.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
569 * The UYVY to RGB equasion is:
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
570 * R = 1.164(Y-16) + 1.596(Cr-128)
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
571 * 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
572 * B = 1.164(Y-16) + 2.018(Cb-128)
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
573 * 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
574 * 4 bytes == 2 pixels: Y1/Cb/Cr, Y2/Cb/Cr
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
575 *
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
576 * !!! FIXME: this ignores blendmodes, etc.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
577 * !!! 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
578 */
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
579 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
580 /* outputs... */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
581 "OUTPUT outcolor = result.color;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
582 /* scratch registers... */
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
583 "TEMP uyvy;\n" "TEMP luminance;\n" "TEMP work;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
584 /* 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
585 "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
586 /* 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
587 "TEX uyvy, work, texture[0], %TEXTURETARGET%;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
588 /* 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
589 "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
590 /* Choose the luminance component by texcoord. */
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
591 /* !!! 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
592 "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
593 "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
594 /* 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
595 "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
596 /* 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
597 "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
598 /* 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
599 "ADD work.rgb, luminance, uyvy;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
600 /* 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
601 "ADD work.g, work.g, uyvy.w;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
602 /* 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
603 "MOV work.a, { 1.0 };\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
604 /* 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
605 "MOV outcolor, work;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
606 /* ...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
607 "END\n";
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
608
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
609 static __inline__ SDL_bool
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
610 convert_format(GL_RenderData *renderdata, Uint32 pixel_format,
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
611 GLint* internalFormat, GLenum* format, GLenum* type)
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
612 {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
613 switch (pixel_format) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
614 case SDL_PIXELFORMAT_INDEX1LSB:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
615 case SDL_PIXELFORMAT_INDEX1MSB:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
616 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
617 *format = GL_COLOR_INDEX;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
618 *type = GL_BITMAP;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
619 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
620 case SDL_PIXELFORMAT_INDEX8:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
621 if (!renderdata->GL_EXT_paletted_texture_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
622 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
623 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
624 *internalFormat = GL_COLOR_INDEX8_EXT;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
625 *format = GL_COLOR_INDEX;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
626 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
627 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
628 case SDL_PIXELFORMAT_RGB332:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
629 *internalFormat = GL_R3_G3_B2;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
630 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
631 *type = GL_UNSIGNED_BYTE_3_3_2;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
632 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
633 case SDL_PIXELFORMAT_RGB444:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
634 *internalFormat = GL_RGB4;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
635 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
636 *type = GL_UNSIGNED_SHORT_4_4_4_4;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
637 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
638 case SDL_PIXELFORMAT_RGB555:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
639 *internalFormat = GL_RGB5;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
640 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
641 *type = GL_UNSIGNED_SHORT_5_5_5_1;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
642 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
643 case SDL_PIXELFORMAT_ARGB4444:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
644 *internalFormat = GL_RGBA4;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
645 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
646 *type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
647 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
648 case SDL_PIXELFORMAT_ARGB1555:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
649 *internalFormat = GL_RGB5_A1;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
650 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
651 *type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
652 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
653 case SDL_PIXELFORMAT_RGB565:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
654 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
655 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
656 *type = GL_UNSIGNED_SHORT_5_6_5;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
657 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
658 case SDL_PIXELFORMAT_RGB24:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
659 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
660 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
661 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
662 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
663 case SDL_PIXELFORMAT_RGB888:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
664 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
665 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
666 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
667 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
668 case SDL_PIXELFORMAT_BGR24:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
669 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
670 *format = GL_BGR;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
671 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
672 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
673 case SDL_PIXELFORMAT_BGR888:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
674 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
675 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
676 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
677 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
678 case SDL_PIXELFORMAT_ARGB8888:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
679 #ifdef __MACOSX__
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
680 *internalFormat = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
681 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
682 *type = GL_UNSIGNED_INT_8_8_8_8_REV;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
683 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
684 *internalFormat = GL_RGBA8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
685 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
686 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
687 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
688 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
689 case SDL_PIXELFORMAT_ABGR8888:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
690 *internalFormat = GL_RGBA8;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
691 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
692 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
693 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
694 case SDL_PIXELFORMAT_ARGB2101010:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
695 *internalFormat = GL_RGB10_A2;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
696 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
697 *type = GL_UNSIGNED_INT_2_10_10_10_REV;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
698 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
699 case SDL_PIXELFORMAT_UYVY:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
700 if (renderdata->GL_APPLE_ycbcr_422_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
701 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
702 *format = GL_YCBCR_422_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
703 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
704 *type = GL_UNSIGNED_SHORT_8_8_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
705 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
706 *type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
707 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
708 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
3494
61d95a87c327 Adam Strzelecki to SDL
Sam Lantinga <slouken@libsdl.org>
parents: 3479
diff changeset
709 *internalFormat = GL_YCBCR_MESA;
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
710 *format = GL_YCBCR_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
711 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
712 *type = GL_UNSIGNED_SHORT_8_8_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
713 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
714 *type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
715 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
716 } else if (renderdata->GL_ARB_fragment_program_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
717 *internalFormat = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
718 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
719 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
720 } else {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
721 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
722 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
723 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
724 case SDL_PIXELFORMAT_YUY2:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
725 if (renderdata->GL_APPLE_ycbcr_422_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
726 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
727 *format = GL_YCBCR_422_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
728 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
729 *type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
730 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
731 *type = GL_UNSIGNED_SHORT_8_8_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
732 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
733 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
3494
61d95a87c327 Adam Strzelecki to SDL
Sam Lantinga <slouken@libsdl.org>
parents: 3479
diff changeset
734 *internalFormat = GL_YCBCR_MESA;
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
735 *format = GL_YCBCR_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
736 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
737 *type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
738 #else
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
739 *type = GL_UNSIGNED_SHORT_8_8_MESA;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
740 #endif
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
741 } else {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
742 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
743 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
744 break;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
745 default:
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
746 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
747 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
748 return SDL_TRUE;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
749 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
750
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
751 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
752 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
753 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
754 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
755 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
756 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
757 GLenum format, type;
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
758 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
759 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
760 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
761
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
762 if (!convert_format(renderdata, texture->format, &internalFormat,
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
763 &format, &type)) {
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
764 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
765 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
766 }
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
767 if (texture->format == SDL_PIXELFORMAT_UYVY &&
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
768 !renderdata->GL_APPLE_ycbcr_422_supported &&
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
769 !renderdata->GL_MESA_ycbcr_texture_supported &&
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
770 renderdata->GL_ARB_fragment_program_supported) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
771 if (renderdata->fragment_program_UYVY == 0) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
772 renderdata->fragment_program_UYVY =
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
773 compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB,
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
774 fragment_program_UYVY_source_code);
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
775 if (renderdata->fragment_program_UYVY == 0) {
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
776 set_shader_error(renderdata, "UYVY");
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
777 return -1;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
778 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
779 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
780 shader = renderdata->fragment_program_UYVY;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
781 }
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
782
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
783 data = (GL_TextureData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
784 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
785 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
786 return -1;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
787 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
788
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
789 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
790
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
791 if (texture->format == SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
792 data->palette = (Uint8 *) SDL_malloc(3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
793 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
794 SDL_OutOfMemory();
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
795 SDL_free(data);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
796 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
797 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
798 SDL_memset(data->palette, 0xFF, 3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
799 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
800
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
801 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
802 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
803 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
804 if (!data->pixels) {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
805 SDL_OutOfMemory();
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
806 SDL_free(data);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
807 return -1;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
808 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
809 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
810
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
811 texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
812
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
813 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
814 renderdata->glGenTextures(1, &data->texture);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
815 if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
816 data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
817 texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
818 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
819 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
820 data->texh = (GLfloat) texture_h;
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
821 } else {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
822 data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
823 texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
824 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
825 data->texw = (GLfloat) (texture->w) / texture_w;
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
826 data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
827 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
828
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
829 /* YUV formats use RGBA but are really two bytes per pixel */
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
830 if (internalFormat == GL_RGBA && bytes_per_pixel(texture->format) < 4) {
3707
d8308bc267bc Adam Strzelecki to SDL
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
831 texture_w /= 2;
d8308bc267bc Adam Strzelecki to SDL
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
832 if (data->type == GL_TEXTURE_2D) {
d8308bc267bc Adam Strzelecki to SDL
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
833 data->texw *= 2.0f;
d8308bc267bc Adam Strzelecki to SDL
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
834 }
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
835 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
836 } else {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
837 data->HACK_RYAN_FIXME = 1;
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
838 }
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
839
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
840 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
841 data->formattype = type;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
842 renderdata->glEnable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
843 renderdata->glBindTexture(data->type, data->texture);
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
844 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
845 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
846 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
847 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
848 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
849 GL_CLAMP_TO_EDGE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
850 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
851 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
852 #ifdef __MACOSX__
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
853 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
854 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
855 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
856 #ifndef STORAGE_CACHED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
857 #define STORAGE_CACHED_APPLE 0x85BE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
858 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
859 #ifndef STORAGE_SHARED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
860 #define STORAGE_SHARED_APPLE 0x85BF
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
861 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
862 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
863 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
864 GL_STORAGE_SHARED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
865 } else {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
866 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
867 GL_STORAGE_CACHED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
868 }
2809
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay
Sam Lantinga <slouken@libsdl.org>
parents: 2808
diff changeset
869 /* 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
870 #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
871 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
872 && 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
873 /*
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
874 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
875 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
876 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
877 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
878 }
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
879 */
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
880 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
881 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
882 texture_h, 0, format, type, data->pixels);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
883 } else
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
884 #endif
2809
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay
Sam Lantinga <slouken@libsdl.org>
parents: 2808
diff changeset
885 #endif
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
886 {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
887 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
888 texture_h, 0, format, type, NULL);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
889 }
3041
20d65430e63c Fixed OpenGL state issue reported by Dmytro Bogovych
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
890 renderdata->glDisable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
891 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
892 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
893 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
894 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
895 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
896 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
897 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
898
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
899 static int
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
900 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
901 void **pixels, int *pitch)
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
902 {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
903 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
904
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
905 *pixels = data->pixels;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
906 *pitch = data->pitch;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
907 return 0;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
908 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
909
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
910 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
911 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
912 const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
913 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
914 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
915 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
916 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
917
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
918 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
919 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
920 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
921 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
922 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
923 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
924 *palette++ = colors->r;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
925 *palette++ = colors->g;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
926 *palette++ = colors->b;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
927 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
928 }
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
929 renderdata->glEnable(data->type);
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
930 renderdata->glBindTexture(data->type, data->texture);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
931 renderdata->glColorTableEXT(data->type, GL_RGB8, 256, GL_RGB,
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
932 GL_UNSIGNED_BYTE, data->palette);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
933 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
934 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
935
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
936 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
937 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
938 SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
939 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
940 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
941 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
942
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
943 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
944 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
945 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
946 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
947 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
948 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
949 colors->r = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
950 colors->g = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
951 colors->b = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
952 colors->unused = SDL_ALPHA_OPAQUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
953 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
954 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
955 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
956 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
957
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
958 static void
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
959 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
960 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
961 {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
962 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
963 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
964 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
965 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
966 }
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
967 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
968 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
969 (pitch / bytes_per_pixel(texture->format)) /
3013
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
970 ((GL_TextureData *) texture->driverdata)->
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
971 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
972 }
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
973
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
974 static int
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
975 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
976 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
977 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
978 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
979
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
980 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
981 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
982 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
983 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
984 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
986 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
987 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
988 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
989 switch (texture->blendMode) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
990 case SDL_BLENDMODE_NONE:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
991 case SDL_BLENDMODE_MASK:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
992 case SDL_BLENDMODE_BLEND:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
993 case SDL_BLENDMODE_ADD:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
994 case SDL_BLENDMODE_MOD:
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
995 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
996 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
997 SDL_Unsupported();
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
998 texture->blendMode = SDL_BLENDMODE_NONE;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
999 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1000 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1001 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1002
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1003 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1004 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
1005 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1006 switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1007 case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1008 case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1009 case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1010 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1011 case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1012 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1013 texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1014 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1015 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1016 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1017 texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1018 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1019 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1020 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1021
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1022 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1023 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1024 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1025 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1026 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1027 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
1028 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1029
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1030 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1031 SetupTextureUpdate(renderdata, texture, pitch);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1032 renderdata->glEnable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1033 renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1034 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
1035 rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1036 pixels);
3041
20d65430e63c Fixed OpenGL state issue reported by Dmytro Bogovych
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
1037 renderdata->glDisable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1038 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
1039 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
1040 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
1041 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
1042 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1043 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1044 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1045
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1046 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1047 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1048 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1049 int *pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1050 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1051 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1052
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1053 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
1054 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
1055 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1056
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1057 *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
1058 (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
1059 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
1060 *pitch = data->pitch;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1061 return 0;
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
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1064 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1065 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1066 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1067 }
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 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1070 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1071 const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1072 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1073 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1074 int i;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1075
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1076 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
1077 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1078 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1079 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1080
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1081 static void
3458
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1082 GL_SetBlendMode(GL_RenderData * data, int blendMode, int isprimitive)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1083 {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1084 if (blendMode != data->blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1085 switch (blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1086 case SDL_BLENDMODE_NONE:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1087 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1088 data->glDisable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1089 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1090 case SDL_BLENDMODE_MASK:
3458
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1091 if (isprimitive) {
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1092 /* The same as SDL_BLENDMODE_NONE */
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1093 blendMode = SDL_BLENDMODE_NONE;
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1094 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1095 data->glDisable(GL_BLEND);
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1096 } else {
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1097 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1098 data->glEnable(GL_BLEND);
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1099 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1100 }
3457
06e948183b59 Found a way to implement mask semantics in OpenGL
Sam Lantinga <slouken@libsdl.org>
parents: 3455
diff changeset
1101 break;
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1102 case SDL_BLENDMODE_BLEND:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1103 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1104 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1105 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1106 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1107 case SDL_BLENDMODE_ADD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1108 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1109 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1110 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1111 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1112 case SDL_BLENDMODE_MOD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1113 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1114 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1115 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1116 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1117 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1118 data->blendMode = blendMode;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1119 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1120 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1121
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1122 static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1123 GL_RenderClear(SDL_Renderer * renderer)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1124 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1125 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1126
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1127 data->glClearColor((GLfloat) renderer->r * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1128 (GLfloat) renderer->g * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1129 (GLfloat) renderer->b * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1130 (GLfloat) renderer->a * inv255f);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1131
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1132 data->glClear(GL_COLOR_BUFFER_BIT);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1133
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1134 return 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1135 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1136
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1137 static int
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1138 GL_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1139 int count)
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1140 {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1141 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1142 int i;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1143
3458
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1144 GL_SetBlendMode(data, renderer->blendMode, 1);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1145
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1146 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
1147 (GLfloat) renderer->g * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1148 (GLfloat) renderer->b * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1149 (GLfloat) renderer->a * inv255f);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1150
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1151 data->glBegin(GL_POINTS);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1152 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1153 data->glVertex2f(0.5f + points[i].x, 0.5f + points[i].y);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1154 }
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1155 data->glEnd();
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1156
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1157 return 0;
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1158 }
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1159
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1160 static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1161 GL_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1162 int count)
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1163 {
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1164 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1165 int i;
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1166
3458
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1167 GL_SetBlendMode(data, renderer->blendMode, 1);
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1168
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1169 data->glColor4f((GLfloat) renderer->r * inv255f,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1170 (GLfloat) renderer->g * inv255f,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1171 (GLfloat) renderer->b * inv255f,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1172 (GLfloat) renderer->a * inv255f);
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1173
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1174 if (count > 2 &&
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1175 points[0].x == points[count-1].x && points[0].y == points[count-1].y) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1176 data->glBegin(GL_LINE_LOOP);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1177 /* GL_LINE_LOOP takes care of the final segment */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1178 --count;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1179 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1180 data->glVertex2f(0.5f + points[i].x, 0.5f + points[i].y);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1181 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1182 data->glEnd();
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1183 } else {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1184 data->glBegin(GL_LINE_STRIP);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1185 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1186 data->glVertex2f(0.5f + points[i].x, 0.5f + points[i].y);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1187 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1188 data->glEnd();
3474
1edb86163d62 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later.
Sam Lantinga <slouken@libsdl.org>
parents: 3473
diff changeset
1189
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1190 /* The line is half open, so we need one more point to complete it.
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1191 * http://www.opengl.org/documentation/specs/version1.1/glspec1.1/node47.html
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1192 * If we have to, we can use vertical line and horizontal line textures
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1193 * for vertical and horizontal lines, and then create custom textures
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1194 * for diagonal lines and software render those. It's terrible, but at
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1195 * least it would be pixel perfect.
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1196 */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1197 data->glBegin(GL_POINTS);
3533
40b9b0177e9a This fixes the OpenGL rendering test, at least with my ATI card...
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
1198 #if defined(__APPLE__) || defined(__WIN32__)
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1199 /* Mac OS X and Windows seem to always leave the second point open */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1200 data->glVertex2f(0.5f + points[count-1].x, 0.5f + points[count-1].y);
3474
1edb86163d62 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later.
Sam Lantinga <slouken@libsdl.org>
parents: 3473
diff changeset
1201 #else
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1202 /* Linux seems to leave the right-most or bottom-most point open */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1203 int x1 = points[0].x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1204 int y1 = points[0].y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1205 int x2 = points[count-1].x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1206 int y2 = points[count-1].y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1207
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1208 if (x1 > x2) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1209 data->glVertex2f(0.5f + x1, 0.5f + y1);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1210 } else if (x2 > x1) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1211 data->glVertex2f(0.5f + x2, 0.5f + y2);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1212 } else if (y1 > y2) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1213 data->glVertex2f(0.5f + x1, 0.5f + y1);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1214 } else if (y2 > y1) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1215 data->glVertex2f(0.5f + x2, 0.5f + y2);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1216 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1217 #endif
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1218 data->glEnd();
3474
1edb86163d62 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later.
Sam Lantinga <slouken@libsdl.org>
parents: 3473
diff changeset
1219 }
3455
5a7b5760c875 Include the endpoint in the line we're drawing
Sam Lantinga <slouken@libsdl.org>
parents: 3454
diff changeset
1220
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1221 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1222 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1223
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1224 static int
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1225 GL_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1226 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1227 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1228 int i, x, y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1229
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1230 GL_SetBlendMode(data, renderer->blendMode, 1);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1231
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1232 data->glColor4f((GLfloat) renderer->r * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1233 (GLfloat) renderer->g * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1234 (GLfloat) renderer->b * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1235 (GLfloat) renderer->a * inv255f);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1236
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1237 data->glBegin(GL_LINE_LOOP);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1238 for (i = 0; i < count; ++i) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1239 const SDL_Rect *rect = rects[i];
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1240
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1241 x = rect->x;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1242 y = rect->y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1243 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1244
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1245 x = rect->x+rect->w-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1246 y = rect->y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1247 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1248
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1249 x = rect->x+rect->w-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1250 y = rect->y+rect->h-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1251 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1252
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1253 x = rect->x;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1254 y = rect->y+rect->h-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1255 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1256 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1257 data->glEnd();
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1258
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1259 return 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1260 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1261
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1262 static int
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
1263 GL_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1264 {
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1265 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1266 int i;
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1267
3458
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1268 GL_SetBlendMode(data, renderer->blendMode, 1);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1269
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1270 data->glColor4f((GLfloat) renderer->r * inv255f,
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1271 (GLfloat) renderer->g * inv255f,
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1272 (GLfloat) renderer->b * inv255f,
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1273 (GLfloat) renderer->a * inv255f);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1274
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1275 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1276 const SDL_Rect *rect = rects[i];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1277
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1278 data->glRecti(rect->x, rect->y, rect->x + rect->w, rect->y + rect->h);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3533
diff changeset
1279 }
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1280
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1281 return 0;
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1282 }
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1283
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1284 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1285 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
1286 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1287 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1288 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1289 GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1290 GLuint shader = 0;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1291 int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1292 GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1293
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents: 2246
diff changeset
1294 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
1295 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
1296 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
1297 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
1298 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
1299
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1300 SetupTextureUpdate(data, texture, pitch);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1301 data->glEnable(texturedata->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1302 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
1303 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
1304 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
1305 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
1306 (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
1307 rect->x * bpp);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1308 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
1309 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
1310 rect->h, texturedata->format,
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1311 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
1312 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1313 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
1314 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1315
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1316 minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1317 miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1318 maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1319 maxy = dstrect->y + dstrect->h;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1320
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1321 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
1322 minu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1323 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
1324 maxu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1325 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
1326 minv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1327 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
1328 maxv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1329
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1330 data->glEnable(texturedata->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1331 data->glBindTexture(texturedata->type, texturedata->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1332
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1333 if (texture->modMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1334 data->glColor4f((GLfloat) texture->r * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1335 (GLfloat) texture->g * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1336 (GLfloat) texture->b * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1337 (GLfloat) texture->a * inv255f);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1338 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1339 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
1340 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1341
3458
0aed0755d1f1 Mike Gorchak to Sam
Sam Lantinga <slouken@libsdl.org>
parents: 3457
diff changeset
1342 GL_SetBlendMode(data, texture->blendMode, 0);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1343
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1344 /* Set up the shader for the copy, we have a special one for MASK */
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1345 shader = texturedata->shader;
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1346 if (texture->blendMode == SDL_BLENDMODE_MASK && !shader) {
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1347 if (data->fragment_program_mask == 0) {
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1348 data->fragment_program_mask =
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1349 compile_shader(data, GL_FRAGMENT_PROGRAM_ARB,
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1350 fragment_program_mask_source_code);
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1351 if (data->fragment_program_mask == 0) {
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1352 /* That's okay, we'll just miss some of the blend semantics */
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1353 data->fragment_program_mask = ~0;
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1354 }
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1355 }
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1356 if (data->fragment_program_mask != ~0) {
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1357 shader = data->fragment_program_mask;
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1358 }
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1359 }
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1360
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1361 if (texture->scaleMode != data->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1362 switch (texture->scaleMode) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1363 case SDL_TEXTURESCALEMODE_NONE:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1364 case SDL_TEXTURESCALEMODE_FAST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1365 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1366 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1367 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1368 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1369 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1370 case SDL_TEXTURESCALEMODE_SLOW:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1371 case SDL_TEXTURESCALEMODE_BEST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1372 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1373 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1374 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1375 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1376 break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1377 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1378 data->scaleMode = texture->scaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1379 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1380
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1381 if (shader) {
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1382 data->glEnable(GL_FRAGMENT_PROGRAM_ARB);
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1383 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, shader);
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1384 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1385
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1386 data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1387 data->glTexCoord2f(minu, minv);
3472
fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits
Sam Lantinga <slouken@libsdl.org>
parents: 3470
diff changeset
1388 data->glVertex2f((GLfloat) minx, (GLfloat) miny);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1389 data->glTexCoord2f(maxu, minv);
3472
fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits
Sam Lantinga <slouken@libsdl.org>
parents: 3470
diff changeset
1390 data->glVertex2f((GLfloat) maxx, (GLfloat) miny);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1391 data->glTexCoord2f(minu, maxv);
3472
fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits
Sam Lantinga <slouken@libsdl.org>
parents: 3470
diff changeset
1392 data->glVertex2f((GLfloat) minx, (GLfloat) maxy);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1393 data->glTexCoord2f(maxu, maxv);
3472
fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits
Sam Lantinga <slouken@libsdl.org>
parents: 3470
diff changeset
1394 data->glVertex2f((GLfloat) maxx, (GLfloat) maxy);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1395 data->glEnd();
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1396
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1397 if (shader) {
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1398 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
1399 }
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1400
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1401 data->glDisable(texturedata->type);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1402
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1403 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1404 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1405
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1406 static int
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1407 GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1408 Uint32 pixel_format, void * pixels, int pitch)
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1409 {
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1410 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3607
diff changeset
1411 SDL_Window *window = renderer->window;
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1412 GLint internalFormat;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1413 GLenum format, type;
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1414 Uint8 *src, *dst, *tmp;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1415 int length, rows;
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1416
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1417 if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1418 /* FIXME: Do a temp copy to a format that is supported */
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1419 SDL_SetError("Unsupported pixel format");
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1420 return -1;
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1421 }
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1422
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1423 if (pixel_format == SDL_PIXELFORMAT_INDEX1LSB) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1424 data->glPixelStorei(GL_PACK_LSB_FIRST, 1);
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1425 } else if (pixel_format == SDL_PIXELFORMAT_INDEX1MSB) {
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1426 data->glPixelStorei(GL_PACK_LSB_FIRST, 0);
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1427 }
3446
0f969d273f65 First pass (untested) at RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3443
diff changeset
1428 data->glPixelStorei(GL_PACK_ALIGNMENT, 1);
0f969d273f65 First pass (untested) at RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3443
diff changeset
1429 data->glPixelStorei(GL_PACK_ROW_LENGTH,
0f969d273f65 First pass (untested) at RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3443
diff changeset
1430 (pitch / bytes_per_pixel(pixel_format)));
3433
ad845d9835aa Hmm, this isn't going to work, is it?
Sam Lantinga <slouken@libsdl.org>
parents: 3431
diff changeset
1431
3447
294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3446
diff changeset
1432 data->glReadPixels(rect->x, (window->h-rect->y)-rect->h, rect->w, rect->h,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1433 format, type, pixels);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1434
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1435 /* Flip the rows to be top-down */
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1436 length = rect->w * bytes_per_pixel(pixel_format);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1437 src = (Uint8*)pixels + (rect->h-1)*pitch;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1438 dst = (Uint8*)pixels;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1439 tmp = SDL_stack_alloc(Uint8, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1440 rows = rect->h / 2;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1441 while (rows--) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1442 SDL_memcpy(tmp, dst, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1443 SDL_memcpy(dst, src, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1444 SDL_memcpy(src, tmp, length);
3447
294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3446
diff changeset
1445 dst += pitch;
294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3446
diff changeset
1446 src -= pitch;
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1447 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1448 SDL_stack_free(tmp);
3440
e9502d56ae94 Added missing return values
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
1449
e9502d56ae94 Added missing return values
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
1450 return 0;
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1451 }
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1452
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1453 static int
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1454 GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1455 Uint32 pixel_format, const void * pixels, int pitch)
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1456 {
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1457 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3607
diff changeset
1458 SDL_Window *window = renderer->window;
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1459 GLint internalFormat;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1460 GLenum format, type;
3607
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1461 Uint8 *src, *dst, *tmp;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1462 int length, rows;
3435
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1463
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1464 if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1465 /* FIXME: Do a temp copy to a format that is supported */
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1466 SDL_SetError("Unsupported pixel format");
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1467 return -1;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1468 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1469
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1470 if (pixel_format == SDL_PIXELFORMAT_INDEX1LSB) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1471 data->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1472 } else if (pixel_format == SDL_PIXELFORMAT_INDEX1MSB) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1473 data->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1474 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1475 data->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1476 data->glPixelStorei(GL_UNPACK_ROW_LENGTH,
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1477 (pitch / bytes_per_pixel(pixel_format)));
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3433
diff changeset
1478
3607
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1479 /* Flip the rows to be bottom-up */
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1480 length = rect->h * rect->w * pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1481 tmp = SDL_stack_alloc(Uint8, length);
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1482 src = (Uint8*)pixels + (rect->h-1)*pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1483 dst = (Uint8*)tmp;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1484 rows = rect->h;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1485 while (rows--) {
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1486 SDL_memcpy(dst, src, pitch);
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1487 dst += pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1488 src -= pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1489 }
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1490
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1491 data->glRasterPos2i(rect->x, (window->h-rect->y));
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1492 data->glDrawPixels(rect->w, rect->h, format, type, tmp);
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan!
Sam Lantinga <slouken@libsdl.org>
parents: 3599
diff changeset
1493 SDL_stack_free(tmp);
3440
e9502d56ae94 Added missing return values
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
1494
e9502d56ae94 Added missing return values
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
1495 return 0;
3431
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1496 }
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface
Sam Lantinga <slouken@libsdl.org>
parents: 3393
diff changeset
1497
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1498 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1499 GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1500 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1501 SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1502 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1503
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1504 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1505 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1506 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1507 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1508 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1509
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1510 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1511 return;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1512 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1513 if (data->texture) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1514 renderdata->glDeleteTextures(1, &data->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1515 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1516 if (data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1517 SDL_free(data->palette);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1518 }
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
1519 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
1520 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
1521 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1522 SDL_FreeDirtyRects(&data->dirty);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1523 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1524 texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1525 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1526
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1974
diff changeset
1527 static void
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1528 GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1529 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1530 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1531
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1532 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
1533 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
1534 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
1535 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
1536 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, 0);
3468
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1537 if (data->fragment_program_mask &&
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1538 data->fragment_program_mask != ~0) {
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1539 data->glDeleteProgramsARB(1,
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1540 &data->fragment_program_mask);
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1541 }
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1542 if (data->fragment_program_UYVY &&
789b97008d8a My first OpenGL shader! Momma will be so proud!
Sam Lantinga <slouken@libsdl.org>
parents: 3458
diff changeset
1543 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
1544 data->glDeleteProgramsARB(1,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1545 &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
1546 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1547 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1548
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
1549 /* 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
1550 SDL_GL_DeleteContext(data->context);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1551 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1552 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1553 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1554 SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1555 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1556
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
1557 #endif /* SDL_VIDEO_RENDER_OGL */
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1558
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1559 /* vi: set ts=4 sw=4 expandtab: */