annotate src/video/SDL_renderer_gl.c @ 3013:8cc00819c8d6

Reverted Bob's indent checkin
author Sam Lantinga <slouken@libsdl.org>
date Sat, 10 Jan 2009 21:50:26 +0000
parents 8f4ed5ec2b06
children 20d65430e63c
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
1918
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
1952
420716272158 Implemented X11 OpenGL support.
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24 #if SDL_VIDEO_RENDER_OGL
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25
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
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26 #include "SDL_video.h"
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27 #include "SDL_opengl.h"
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28 #include "SDL_sysvideo.h"
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29 #include "SDL_pixels_c.h"
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30 #include "SDL_rect_c.h"
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31 #include "SDL_yuv_sw_c.h"
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32
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33 #ifdef __MACOSX__
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34 #include <OpenGL/OpenGL.h>
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35 #endif
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36
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37
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38 /* OpenGL renderer implementation */
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39
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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
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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);
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72 static int GL_QueryTexturePixels(SDL_Renderer * renderer,
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73 SDL_Texture * texture, void **pixels,
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74 int *pitch);
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75 static int GL_SetTexturePalette(SDL_Renderer * renderer,
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76 SDL_Texture * texture,
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77 const SDL_Color * colors, int firstcolor,
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78 int ncolors);
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79 static int GL_GetTexturePalette(SDL_Renderer * renderer,
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80 SDL_Texture * texture, SDL_Color * colors,
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81 int firstcolor, int ncolors);
1985
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82 static int GL_SetTextureColorMod(SDL_Renderer * renderer,
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83 SDL_Texture * texture);
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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
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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_RenderPoint(SDL_Renderer * renderer, int x, int y);
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100 static int GL_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2,
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101 int y2);
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102 static int GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect);
1918
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103 static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985
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104 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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105
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106 static void GL_RenderPresent(SDL_Renderer * renderer);
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107 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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108 static void GL_DestroyRenderer(SDL_Renderer * renderer);
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109
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110
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111 SDL_RenderDriver GL_RenderDriver = {
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112 GL_CreateRenderer,
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113 {
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114 "opengl",
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115 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD |
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116 SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED),
1985
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117 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
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118 SDL_TEXTUREMODULATE_ALPHA),
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119 (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK |
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120 SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MOD),
1965
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121 (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST |
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122 SDL_TEXTURESCALEMODE_SLOW),
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123 15,
1918
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124 {
1965
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125 SDL_PIXELFORMAT_INDEX1LSB,
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126 SDL_PIXELFORMAT_INDEX1MSB,
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127 SDL_PIXELFORMAT_INDEX8,
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128 SDL_PIXELFORMAT_RGB332,
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129 SDL_PIXELFORMAT_RGB444,
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130 SDL_PIXELFORMAT_RGB555,
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131 SDL_PIXELFORMAT_ARGB4444,
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132 SDL_PIXELFORMAT_ARGB1555,
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133 SDL_PIXELFORMAT_RGB565,
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134 SDL_PIXELFORMAT_RGB24,
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135 SDL_PIXELFORMAT_BGR24,
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136 SDL_PIXELFORMAT_RGB888,
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diff changeset
137 SDL_PIXELFORMAT_BGR888,
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diff changeset
138 SDL_PIXELFORMAT_ARGB8888,
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diff changeset
139 SDL_PIXELFORMAT_ABGR8888,
2813
49243a6e9ff1 Removed the hacky stuff for YUV OpenGL textures, since Ryan's pixel shader code
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diff changeset
140 SDL_PIXELFORMAT_ARGB2101010},
1918
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141 0,
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142 0}
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143 };
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144
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145 typedef struct
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146 {
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147 SDL_GLContext context;
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
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diff changeset
148 SDL_bool updateSize;
2233
fb01ee9716bc Test using glTextureRangeAPPLE
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diff changeset
149 SDL_bool GL_ARB_texture_rectangle_supported;
1974
70deaf574153 Added paletted OpenGL texture support.
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parents: 1970
diff changeset
150 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
151 SDL_bool GL_APPLE_ycbcr_422_supported;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
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parents: 2844
diff changeset
152 SDL_bool GL_MESA_ycbcr_texture_supported;
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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153 SDL_bool GL_ARB_fragment_program_supported;
1927
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154 int blendMode;
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diff changeset
155 int scaleMode;
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156
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157 /* OpenGL functions */
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diff changeset
158 #define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
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diff changeset
159 #include "SDL_glfuncs.h"
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diff changeset
160 #undef SDL_PROC
1974
70deaf574153 Added paletted OpenGL texture support.
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161
70deaf574153 Added paletted OpenGL texture support.
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diff changeset
162 PFNGLCOLORTABLEEXTPROC glColorTableEXT;
2233
fb01ee9716bc Test using glTextureRangeAPPLE
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diff changeset
163 void (*glTextureRangeAPPLE) (GLenum target, GLsizei length,
fb01ee9716bc Test using glTextureRangeAPPLE
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diff changeset
164 const GLvoid * pointer);
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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165
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
166 PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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167 PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
168 PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
169 PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
170 PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
171 PFNGLBINDPROGRAMARBPROC glBindProgramARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
172 PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
173
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
174 /* (optional) fragment programs */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
175 GLuint fragment_program_UYVY;
1918
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176 } GL_RenderData;
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177
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178 typedef struct
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179 {
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180 GLuint texture;
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
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diff changeset
181 GLuint shader;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
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diff changeset
182 GLenum type;
1918
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183 GLfloat texw;
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184 GLfloat texh;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
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diff changeset
185 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
186 GLenum formattype;
1974
70deaf574153 Added paletted OpenGL texture support.
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diff changeset
187 Uint8 *palette;
1918
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188 void *pixels;
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189 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
190 SDL_DirtyRectList dirty;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
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diff changeset
191 int HACK_RYAN_FIXME;
1918
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192 } GL_TextureData;
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193
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194
1924
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195 static void
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diff changeset
196 GL_SetError(const char *prefix, GLenum result)
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197 {
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diff changeset
198 const char *error;
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199
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diff changeset
200 switch (result) {
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diff changeset
201 case GL_NO_ERROR:
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202 error = "GL_NO_ERROR";
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diff changeset
203 break;
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diff changeset
204 case GL_INVALID_ENUM:
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diff changeset
205 error = "GL_INVALID_ENUM";
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diff changeset
206 break;
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diff changeset
207 case GL_INVALID_VALUE:
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diff changeset
208 error = "GL_INVALID_VALUE";
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diff changeset
209 break;
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diff changeset
210 case GL_INVALID_OPERATION:
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diff changeset
211 error = "GL_INVALID_OPERATION";
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diff changeset
212 break;
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diff changeset
213 case GL_STACK_OVERFLOW:
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diff changeset
214 error = "GL_STACK_OVERFLOW";
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diff changeset
215 break;
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diff changeset
216 case GL_STACK_UNDERFLOW:
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diff changeset
217 error = "GL_STACK_UNDERFLOW";
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diff changeset
218 break;
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diff changeset
219 case GL_OUT_OF_MEMORY:
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diff changeset
220 error = "GL_OUT_OF_MEMORY";
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diff changeset
221 break;
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diff changeset
222 case GL_TABLE_TOO_LARGE:
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diff changeset
223 error = "GL_TABLE_TOO_LARGE";
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diff changeset
224 break;
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diff changeset
225 default:
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diff changeset
226 error = "UNKNOWN";
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diff changeset
227 break;
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diff changeset
228 }
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diff changeset
229 SDL_SetError("%s: %s", prefix, error);
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230 }
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diff changeset
231
1927
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232 static int
aeb8263d377a OpenGL renderer is feature complete!
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233 GL_LoadFunctions(GL_RenderData * data)
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234 {
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235 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
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236 #define __SDL_NOGETPROCADDR__
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diff changeset
237 #elif defined(__MINT__)
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diff changeset
238 #define __SDL_NOGETPROCADDR__
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239 #endif
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diff changeset
240 #ifdef __SDL_NOGETPROCADDR__
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diff changeset
241 #define SDL_PROC(ret,func,params) data->func=func;
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diff changeset
242 #else
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diff changeset
243 #define SDL_PROC(ret,func,params) \
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diff changeset
244 do { \
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diff changeset
245 data->func = SDL_GL_GetProcAddress(#func); \
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
246 if ( ! data->func ) { \
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247 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \
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diff changeset
248 return -1; \
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
249 } \
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
250 } while ( 0 );
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
251 #endif /* __SDL_NOGETPROCADDR__ */
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252
aeb8263d377a OpenGL renderer is feature complete!
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diff changeset
253 #include "SDL_glfuncs.h"
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diff changeset
254 #undef SDL_PROC
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255 return 0;
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diff changeset
256 }
aeb8263d377a OpenGL renderer is feature complete!
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257
1918
092bd3a019c5 Starting on the OpenGL renderer...
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258 void
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diff changeset
259 GL_AddRenderDriver(_THIS)
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260 {
1920
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diff changeset
261 if (_this->GL_CreateContext) {
1918
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diff changeset
262 SDL_AddRenderDriver(0, &GL_RenderDriver);
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263 }
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264 }
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265
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diff changeset
266 SDL_Renderer *
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diff changeset
267 GL_CreateRenderer(SDL_Window * window, Uint32 flags)
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268 {
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diff changeset
269 SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer...
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diff changeset
270 GL_RenderData *data;
1952
420716272158 Implemented X11 OpenGL support.
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parents: 1928
diff changeset
271 GLint value;
1974
70deaf574153 Added paletted OpenGL texture support.
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diff changeset
272 int doublebuffer;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
274 /* Render directly to the window, unless we're compositing */
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
275 #ifndef __MACOSX__
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
276 if (flags & SDL_RENDERER_SINGLEBUFFER) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
277 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
278 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
279 #endif
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 if (!(window->flags & SDL_WINDOW_OPENGL)) {
1928
861bc36f0ab3 Fixed crash with multiple windows
Sam Lantinga <slouken@libsdl.org>
parents: 1927
diff changeset
281 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
282 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
283 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285
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
286 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 if (!renderer) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291
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
292 data = (GL_RenderData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
299 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
300 renderer->DisplayModeChanged = GL_DisplayModeChanged;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 renderer->CreateTexture = GL_CreateTexture;
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
302 renderer->QueryTexturePixels = GL_QueryTexturePixels;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 renderer->SetTexturePalette = GL_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 renderer->GetTexturePalette = GL_GetTexturePalette;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
305 renderer->SetTextureColorMod = GL_SetTextureColorMod;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
306 renderer->SetTextureAlphaMod = GL_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
307 renderer->SetTextureBlendMode = GL_SetTextureBlendMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
308 renderer->SetTextureScaleMode = GL_SetTextureScaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 renderer->UpdateTexture = GL_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 renderer->LockTexture = GL_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 renderer->UnlockTexture = GL_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 renderer->DirtyTexture = GL_DirtyTexture;
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
313 renderer->RenderPoint = GL_RenderPoint;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
314 renderer->RenderLine = GL_RenderLine;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 renderer->RenderFill = GL_RenderFill;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 renderer->RenderCopy = GL_RenderCopy;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 renderer->info = GL_RenderDriver.info;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 renderer->window = window->id;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 renderer->info.flags =
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
325 (SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
327 if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
328 GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
329 return NULL;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
330 }
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
331
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 data->context = SDL_GL_CreateContext(window->id);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 return NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 }
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
341 #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
342 /* 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
343 /* 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
344 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
345 */
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
346 #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
347
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
348 if (flags & SDL_RENDERER_PRESENTVSYNC) {
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 } else {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 if (SDL_GL_GetSwapInterval() > 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
354 renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
1918
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
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
357 if (SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &doublebuffer) == 0) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
358 if (!doublebuffer) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
359 renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
360 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
361 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
362
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
363 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
364 renderer->info.max_texture_width = value;
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
365 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
366 renderer->info.max_texture_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
367
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
368 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
369 || SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
370 data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
371 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
372 if (SDL_GL_ExtensionSupported("GL_EXT_paletted_texture")) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
373 data->GL_EXT_paletted_texture_supported = SDL_TRUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
374 data->glColorTableEXT =
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
375 (PFNGLCOLORTABLEEXTPROC) SDL_GL_GetProcAddress("glColorTableEXT");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
376 } else {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
377 /* 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
378 Uint32 i, j;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
379 SDL_RendererInfo *info = &renderer->info;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
380 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
381 if (info->texture_formats[i] != SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
382 info->texture_formats[j++] = info->texture_formats[i];
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
383 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
384 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
385 --info->num_texture_formats;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
386 }
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
387 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
388 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
389 }
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_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
391 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
392 }
2233
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
393 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
394 data->glTextureRangeAPPLE =
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
395 (void (*)(GLenum, GLsizei, const GLvoid *))
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
396 SDL_GL_GetProcAddress("glTextureRangeAPPLE");
fb01ee9716bc Test using glTextureRangeAPPLE
Sam Lantinga <slouken@libsdl.org>
parents: 2230
diff changeset
397 }
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
398
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
399 /* 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
400 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
401 /* !!! 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
402 /* !!! 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
403 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
404 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
405 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
406 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
407 data->glProgramLocalParameter4fvARB =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
408 (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC)
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("glProgramLocalParameter4fvARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
410 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
411 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
412 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
413 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
414 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
415 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
416 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
417 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
418 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
419 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
420
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 /* Set up parameters for rendering */
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
422 data->blendMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
423 data->scaleMode = -1;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
424 data->glDisable(GL_DEPTH_TEST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
425 data->glDisable(GL_CULL_FACE);
2893
e67f3f3bf221 Turn on line antialiasing (requires blending to be enabled)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
426 data->glEnable(GL_LINE_SMOOTH);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
427 if (data->GL_ARB_texture_rectangle_supported) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
428 data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
429 } else {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
430 data->glEnable(GL_TEXTURE_2D);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
431 }
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
432 data->updateSize = SDL_TRUE;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 return renderer;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
437 static int
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
438 GL_ActivateRenderer(SDL_Renderer * renderer)
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
439 {
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
440 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
441 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
442
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
443 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
444 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
445 }
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
446 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
447 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
448 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
449 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
450 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
451 data->glViewport(0, 0, window->w, window->h);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
452 data->glOrtho(0.0, (GLdouble) window->w, (GLdouble) window->h, 0.0,
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes
Sam Lantinga <slouken@libsdl.org>
parents: 2835
diff changeset
453 0.0, 1.0);
2833
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
454 data->updateSize = SDL_FALSE;
c2e182a37f5f Whoops, can't call glOrtho() repeatedly
Sam Lantinga <slouken@libsdl.org>
parents: 2832
diff changeset
455 }
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
456 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
457 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
458
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
459 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
460 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
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 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
463
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
464 /* 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
465 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
466 return GL_ActivateRenderer(renderer);
1923
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
467 }
d4572b97b08f Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents: 1922
diff changeset
468
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
469 static __inline__ int
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
470 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
471 {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
472 int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
473
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
474 while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
475 value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
476 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
477 return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
478 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
479
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
480
2858
a38fcb093081 A little cleanup for SDL snapshot release
Sam Lantinga <slouken@libsdl.org>
parents: 2848
diff changeset
481 //#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
482
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
483 static GLuint
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
484 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
485 {
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
486 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
487 const char *replacement = have_texture_rects ? "RECT" : "2D";
2918
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
488 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
489 const char *token = "%TEXTURETARGET%";
2918
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
490 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
491 char *code = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
492 char *ptr = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
493 GLuint program = 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
494
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
495 /*
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
496 * 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
497 * 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
498 * compiling the shader.
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
499 */
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
500 code = SDL_strdup(_code);
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
501 if (code == NULL)
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
502 return 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
503
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
504 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
505 SDL_memcpy(ptr, replacement, replacementlen);
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
506 SDL_memmove(ptr + replacementlen, ptr + tokenlen,
bd518fc76f28 Updated to build on Windows
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
507 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
508 }
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
509
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
510 #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
511 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
512 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
513
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
514 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
515 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
516 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
517 data->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
2847
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
518 SDL_strlen(code), code);
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
519
7d020441fa81 Don't hardcode RECT for fragment program texture targets.
Ryan C. Gordon <icculus@icculus.org>
parents: 2846
diff changeset
520 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
521
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
522 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
523 #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
524 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
525 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
526 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
527 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
528 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
529 (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
530 #endif
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, 0);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
532 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
533 return 0;
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
534 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
535
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
536 return program;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
537 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
538
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
539
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
540 /*
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
541 * Fragment program that renders from UYVY textures.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
542 * The UYVY to RGB equasion is:
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
543 * R = 1.164(Y-16) + 1.596(Cr-128)
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
544 * 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
545 * B = 1.164(Y-16) + 2.018(Cb-128)
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
546 * 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
547 * 4 bytes == 2 pixels: Y1/Cb/Cr, Y2/Cb/Cr
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
548 *
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
549 * !!! FIXME: this ignores blendmodes, etc.
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
550 * !!! 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
551 */
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
552 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
553 /* outputs... */
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
554 "OUTPUT outcolor = result.color;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
555 /* scratch registers... */
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
556 "TEMP uyvy;\n" "TEMP luminance;\n" "TEMP work;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
557 /* 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
558 "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
559 /* 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
560 "TEX uyvy, work, texture[0], %TEXTURETARGET%;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
561 /* 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
562 "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
563 /* Choose the luminance component by texcoord. */
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
564 /* !!! 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
565 "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
566 "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
567 /* 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
568 "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
569 /* 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
570 "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
571 /* 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
572 "ADD work.rgb, luminance, uyvy;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
573 /* 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
574 "ADD work.g, work.g, uyvy.w;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
575 /* 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
576 "MOV work.a, { 1.0 };\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
577 /* 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
578 "MOV outcolor, work;\n"
2848
8a3aa505ecba Comment cleanup.
Ryan C. Gordon <icculus@icculus.org>
parents: 2847
diff changeset
579 /* ...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
580 "END\n";
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
581
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
582
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
583 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
584 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
585 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
586 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
587 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
588 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
589 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
590 GLenum format, type;
1922
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents: 1921
diff changeset
591 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
592 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
593 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
594
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
595 switch (texture->format) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
596 case SDL_PIXELFORMAT_INDEX1LSB:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
597 case SDL_PIXELFORMAT_INDEX1MSB:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
598 internalFormat = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
599 format = GL_COLOR_INDEX;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
600 type = GL_BITMAP;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
601 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
602 case SDL_PIXELFORMAT_INDEX8:
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
603 if (!renderdata->GL_EXT_paletted_texture_supported) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
604 SDL_SetError("Unsupported texture format");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
605 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
606 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
607 internalFormat = GL_COLOR_INDEX8_EXT;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
608 format = GL_COLOR_INDEX;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
609 type = GL_UNSIGNED_BYTE;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
610 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
611 case SDL_PIXELFORMAT_RGB332:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
612 internalFormat = GL_R3_G3_B2;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
613 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
614 type = GL_UNSIGNED_BYTE_3_3_2;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
615 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
616 case SDL_PIXELFORMAT_RGB444:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
617 internalFormat = GL_RGB4;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
618 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
619 type = GL_UNSIGNED_SHORT_4_4_4_4;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
620 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
621 case SDL_PIXELFORMAT_RGB555:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
622 internalFormat = GL_RGB5;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
623 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
624 type = GL_UNSIGNED_SHORT_5_5_5_1;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
625 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
626 case SDL_PIXELFORMAT_ARGB4444:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
627 internalFormat = GL_RGBA4;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
628 format = GL_BGRA;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
629 type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
630 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
631 case SDL_PIXELFORMAT_ARGB1555:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
632 internalFormat = GL_RGB5_A1;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
633 format = GL_BGRA;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
634 type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
635 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
636 case SDL_PIXELFORMAT_RGB565:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
637 internalFormat = GL_RGB8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
638 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
639 type = GL_UNSIGNED_SHORT_5_6_5;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
640 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
641 case SDL_PIXELFORMAT_RGB24:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
642 internalFormat = GL_RGB8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
643 format = GL_RGB;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
644 type = GL_UNSIGNED_BYTE;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
645 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
646 case SDL_PIXELFORMAT_RGB888:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
647 internalFormat = GL_RGB8;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
648 format = GL_BGRA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
649 type = GL_UNSIGNED_BYTE;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
650 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
651 case SDL_PIXELFORMAT_BGR24:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
652 internalFormat = GL_RGB8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
653 format = GL_BGR;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
654 type = GL_UNSIGNED_BYTE;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
655 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
656 case SDL_PIXELFORMAT_BGR888:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
657 internalFormat = GL_RGB8;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
658 format = GL_RGBA;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
659 type = GL_UNSIGNED_BYTE;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
660 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
661 case SDL_PIXELFORMAT_ARGB8888:
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
662 #ifdef __MACOSX__
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
663 internalFormat = GL_RGBA;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
664 format = GL_BGRA;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
665 type = GL_UNSIGNED_INT_8_8_8_8_REV;
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
666 #else
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
667 internalFormat = GL_RGBA8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
668 format = GL_BGRA;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
669 type = GL_UNSIGNED_BYTE;
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
670 #endif
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
671 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
672 case SDL_PIXELFORMAT_ABGR8888:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
673 internalFormat = GL_RGBA8;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
674 format = GL_RGBA;
1924
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
Sam Lantinga <slouken@libsdl.org>
parents: 1923
diff changeset
675 type = GL_UNSIGNED_BYTE;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
676 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
677 case SDL_PIXELFORMAT_ARGB2101010:
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
678 internalFormat = GL_RGB10_A2;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
679 format = GL_BGRA;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
680 type = GL_UNSIGNED_INT_2_10_10_10_REV;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
681 break;
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
682 case SDL_PIXELFORMAT_UYVY:
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
683 if (renderdata->GL_APPLE_ycbcr_422_supported) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
684 internalFormat = GL_RGB;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
685 format = GL_YCBCR_422_APPLE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
686 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
687 type = GL_UNSIGNED_SHORT_8_8_APPLE;
2844
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the
Sam Lantinga <slouken@libsdl.org>
parents: 2843
diff changeset
688 #else
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
689 type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
690 #endif
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
691 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
692 internalFormat = GL_RGB;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
693 format = GL_YCBCR_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
694 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
695 type = GL_UNSIGNED_SHORT_8_8_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
696 #else
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
697 type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
698 #endif
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
699 } else if (renderdata->GL_ARB_fragment_program_supported) {
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
700 if (renderdata->fragment_program_UYVY == 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
701 renderdata->fragment_program_UYVY =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
702 compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB,
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
703 fragment_program_UYVY_source_code);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
704 if (renderdata->fragment_program_UYVY == 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
705 SDL_SetError("Fragment program compile error");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
706 return -1;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
707 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
708 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
709 shader = renderdata->fragment_program_UYVY;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
710 internalFormat = GL_RGBA;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
711 format = GL_RGBA;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
712 type = GL_UNSIGNED_BYTE;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
713 } else {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
714 SDL_SetError("Unsupported texture format");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
715 return -1;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
716 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
717 break;
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
718 case SDL_PIXELFORMAT_YUY2:
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
719 if (renderdata->GL_APPLE_ycbcr_422_supported) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
720 internalFormat = GL_RGB;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
721 format = GL_YCBCR_422_APPLE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
722 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
723 type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
724 #else
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
725 type = GL_UNSIGNED_SHORT_8_8_APPLE;
2844
70b63882d2ef The YCbCr texture extension works now that bytes_per_pixel() returns the
Sam Lantinga <slouken@libsdl.org>
parents: 2843
diff changeset
726 #endif
2845
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
727 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
728 internalFormat = GL_RGB;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
729 format = GL_YCBCR_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
730 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
731 type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
732 #else
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
733 type = GL_UNSIGNED_SHORT_8_8_MESA;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
734 #endif
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
735 } else {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
736 SDL_SetError("Unsupported texture format");
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
737 return -1;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
738 }
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
Sam Lantinga <slouken@libsdl.org>
parents: 2844
diff changeset
739 break;
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
740 default:
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
741 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
742 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
743 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
744
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
745 data = (GL_TextureData *) SDL_calloc(1, sizeof(*data));
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
746 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
747 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
748 return -1;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
749 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
750
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
751 data->shader = shader;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
752
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
753 if (texture->format == SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
754 data->palette = (Uint8 *) SDL_malloc(3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
755 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
756 SDL_OutOfMemory();
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
757 SDL_free(data);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
758 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
759 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
760 SDL_memset(data->palette, 0xFF, 3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
761 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
762
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
763 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
764 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
765 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
766 if (!data->pixels) {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
767 SDL_OutOfMemory();
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
768 SDL_free(data);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
769 return -1;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
770 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
771 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
772
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
773 texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
774
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
775 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
776 renderdata->glGenTextures(1, &data->texture);
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
777 if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
778 data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
779 texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
780 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
781 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
782 data->texh = (GLfloat) texture_h;
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
783 } else {
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
784 data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
785 texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
786 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
787 data->texw = (GLfloat) (texture->w) / texture_w;
1926
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
788 data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents: 1924
diff changeset
789 }
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
790
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
791 /* YUV formats use RGBA but are really two bytes per pixel */
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
792 if (internalFormat == GL_RGBA && bytes_per_pixel(texture->format) < 4) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
793 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
794 } else {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
795 data->HACK_RYAN_FIXME = 1;
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
796 }
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
797 texture_w /= data->HACK_RYAN_FIXME;
2839
f89700cc9272 Progress, maybe. :)
Sam Lantinga <slouken@libsdl.org>
parents: 2836
diff changeset
798
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
799 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
800 data->formattype = type;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
801 renderdata->glEnable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
802 renderdata->glBindTexture(data->type, data->texture);
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
803 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
804 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
805 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
806 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
807 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
808 GL_CLAMP_TO_EDGE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
809 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
810 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
811 #ifdef __MACOSX__
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
812 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
813 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
814 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
815 #ifndef STORAGE_CACHED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
816 #define STORAGE_CACHED_APPLE 0x85BE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
817 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
818 #ifndef STORAGE_SHARED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
819 #define STORAGE_SHARED_APPLE 0x85BF
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
820 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
821 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
822 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
823 GL_STORAGE_SHARED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
824 } else {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
825 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
826 GL_STORAGE_CACHED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
827 }
2809
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay
Sam Lantinga <slouken@libsdl.org>
parents: 2808
diff changeset
828 /* 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
829 #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
830 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
831 && 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
832 /*
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
833 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
834 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
835 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
836 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
837 }
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
838 */
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
839 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
840 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
841 texture_h, 0, format, type, data->pixels);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
842 } else
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
843 #endif
2809
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay
Sam Lantinga <slouken@libsdl.org>
parents: 2808
diff changeset
844 #endif
2230
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
845 {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
846 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
847 texture_h, 0, format, type, NULL);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
848 }
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
849 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
850 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
851 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
852 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
853 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
854 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
855 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
856
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
857 static int
2222
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
858 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
859 void **pixels, int *pitch)
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
860 {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
861 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
862
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
863 *pixels = data->pixels;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
864 *pitch = data->pitch;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
865 return 0;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
866 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
867
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents: 1986
diff changeset
868 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
869 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
870 const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
871 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
872 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
873 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
874 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
875
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
876 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
877 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
878 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
879 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
880 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
881 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
882 *palette++ = colors->r;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
883 *palette++ = colors->g;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
884 *palette++ = colors->b;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
885 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
886 }
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
887 renderdata->glEnable(data->type);
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
888 renderdata->glBindTexture(data->type, data->texture);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
889 renderdata->glColorTableEXT(data->type, GL_RGB8, 256, GL_RGB,
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
890 GL_UNSIGNED_BYTE, data->palette);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
891 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
892 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
893
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
894 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
895 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
896 SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
897 {
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
898 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
899 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
900 Uint8 *palette;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
901
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
902 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
903 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
904 return -1;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
905 }
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
906 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
907 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
908 colors->r = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
909 colors->g = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
910 colors->b = *palette++;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
911 colors->unused = SDL_ALPHA_OPAQUE;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
912 ++colors;
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
913 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
914 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
915 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
916
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
917 static void
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
918 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
919 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
920 {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
921 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
922 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
923 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
924 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
925 }
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
926 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
927 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
928 (pitch / bytes_per_pixel(texture->format)) /
3013
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
929 ((GL_TextureData *) texture->driverdata)->
8cc00819c8d6 Reverted Bob's indent checkin
Sam Lantinga <slouken@libsdl.org>
parents: 3011
diff changeset
930 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
931 }
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
932
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
933 static int
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
934 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
935 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
936 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
937 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
938
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
939 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
940 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
941 {
1986
f4c65e3bfaed Cleanup for the last checkin
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
942 return 0;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
943 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
944
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
945 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
946 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
947 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
948 switch (texture->blendMode) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
949 case SDL_BLENDMODE_NONE:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
950 case SDL_BLENDMODE_MASK:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
951 case SDL_BLENDMODE_BLEND:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
952 case SDL_BLENDMODE_ADD:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
953 case SDL_BLENDMODE_MOD:
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
954 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
955 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
956 SDL_Unsupported();
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
957 texture->blendMode = SDL_BLENDMODE_NONE;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
958 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
959 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
960 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
961
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
962 static int
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
963 GL_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
964 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
965 switch (texture->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
966 case SDL_TEXTURESCALEMODE_NONE:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
967 case SDL_TEXTURESCALEMODE_FAST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
968 case SDL_TEXTURESCALEMODE_SLOW:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
969 return 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
970 case SDL_TEXTURESCALEMODE_BEST:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
971 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
972 texture->scaleMode = SDL_TEXTURESCALEMODE_SLOW;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
973 return -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
974 default:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
975 SDL_Unsupported();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
976 texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
977 return -1;
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
981 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
982 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
983 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
984 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
985 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
986 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
987 GLenum result;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
988
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
989 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
990 SetupTextureUpdate(renderdata, texture, pitch);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
991 renderdata->glEnable(data->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
992 renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
993 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
994 rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
995 pixels);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
996 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
997 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
998 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
999 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
1000 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1001 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1002 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1003
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1004 static int
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1005 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1006 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1007 int *pitch)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1008 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1009 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1010
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
1011 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
1012 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
1013 }
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1014
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
1015 *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
1016 (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
1017 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
1018 *pitch = data->pitch;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1019 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1020 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1021
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1022 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1023 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1024 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1025 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1026
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1027 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1028 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1029 const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1030 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1031 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1032 int i;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1033
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1034 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
1035 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1036 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1037 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1038
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1039 static void
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1040 GL_SetBlendMode(GL_RenderData * data, int blendMode)
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1041 {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1042 if (blendMode != data->blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1043 switch (blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1044 case SDL_BLENDMODE_NONE:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1045 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
1046 data->glDisable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1047 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1048 case SDL_BLENDMODE_MASK:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1049 case SDL_BLENDMODE_BLEND:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1050 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
1051 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1052 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
1053 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1054 case SDL_BLENDMODE_ADD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1055 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
1056 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1057 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
1058 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1059 case SDL_BLENDMODE_MOD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1060 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
1061 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1062 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
1063 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1064 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1065 data->blendMode = blendMode;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1066 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1067 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1068
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1069 static int
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1070 GL_RenderPoint(SDL_Renderer * renderer, int x, int y)
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1071 {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1072 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1073
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1074 GL_SetBlendMode(data, renderer->blendMode);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1075
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1076 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
1077 (GLfloat) renderer->g * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1078 (GLfloat) renderer->b * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1079 (GLfloat) renderer->a * inv255f);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1080
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1081 data->glBegin(GL_POINTS);
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1082 data->glVertex2i(x, y);
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1083 data->glEnd();
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1084
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1085 return 0;
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1086 }
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1087
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1088 static int
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1089 GL_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1090 {
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1091 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1092
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1093 GL_SetBlendMode(data, renderer->blendMode);
2901
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1094
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1095 data->glColor4f((GLfloat) renderer->r * inv255f,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1096 (GLfloat) renderer->g * inv255f,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1097 (GLfloat) renderer->b * inv255f,
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1098 (GLfloat) renderer->a * inv255f);
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1099
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1100 data->glBegin(GL_LINES);
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1101 data->glVertex2i(x1, y1);
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1102 data->glVertex2i(x2, y2);
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1103 data->glEnd();
133601e3b255 Added RenderPiont() API
Sam Lantinga <slouken@libsdl.org>
parents: 2893
diff changeset
1104
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1105 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1106 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1107
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1108 static int
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1109 GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1110 {
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1111 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1112
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1113 GL_SetBlendMode(data, renderer->blendMode);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1114
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1115 data->glColor4f((GLfloat) renderer->r * inv255f,
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1116 (GLfloat) renderer->g * inv255f,
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1117 (GLfloat) renderer->b * inv255f,
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1118 (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
1119
2925
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1120 data->glRecti(rect->x, rect->y, rect->x + rect->w, rect->y + rect->h);
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1121
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1122 return 0;
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1123 }
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1124
7e21f7662208 Swapped functions to match the other renderer files
Sam Lantinga <slouken@libsdl.org>
parents: 2922
diff changeset
1125 static int
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1126 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
1127 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1128 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1129 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1130 GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1131 int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1132 GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1133
2275
12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents: 2246
diff changeset
1134 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
1135 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
1136 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
1137 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
1138 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
1139
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1140 SetupTextureUpdate(data, texture, pitch);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1141 data->glEnable(texturedata->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1142 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
1143 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
1144 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
1145 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
1146 (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
1147 rect->x * bpp);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1148 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
1149 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
1150 rect->h, texturedata->format,
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1151 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
1152 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1153 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
1154 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1155
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1156 minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1157 miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1158 maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1159 maxy = dstrect->y + dstrect->h;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1160
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1161 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
1162 minu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1163 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
1164 maxu *= texturedata->texw;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1165 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
1166 minv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1167 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
1168 maxv *= texturedata->texh;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1169
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1170 data->glEnable(texturedata->type);
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1171 data->glBindTexture(texturedata->type, texturedata->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1172
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1173 if (texture->modMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1174 data->glColor4f((GLfloat) texture->r * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1175 (GLfloat) texture->g * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1176 (GLfloat) texture->b * inv255f,
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1177 (GLfloat) texture->a * inv255f);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1178 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1179 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
1180 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1181
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
1182 GL_SetBlendMode(data, texture->blendMode);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1183
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1184 if (texture->scaleMode != data->scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1185 switch (texture->scaleMode) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1186 case SDL_TEXTURESCALEMODE_NONE:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1187 case SDL_TEXTURESCALEMODE_FAST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1188 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1189 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1190 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1191 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1192 break;
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1193 case SDL_TEXTURESCALEMODE_SLOW:
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1952
diff changeset
1194 case SDL_TEXTURESCALEMODE_BEST:
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1195 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1196 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1197 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1198 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1199 break;
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1200 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1975
diff changeset
1201 data->scaleMode = texture->scaleMode;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1202 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1203
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1204 if (texturedata->shader != 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1205 data->glEnable(GL_FRAGMENT_PROGRAM_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1206 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, texturedata->shader);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1207 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1208
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1209 data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1210 data->glTexCoord2f(minu, minv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1211 data->glVertex2i(minx, miny);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1212 data->glTexCoord2f(maxu, minv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1213 data->glVertex2i(maxx, miny);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1214 data->glTexCoord2f(minu, maxv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1215 data->glVertex2i(minx, maxy);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1216 data->glTexCoord2f(maxu, maxv);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1217 data->glVertex2i(maxx, maxy);
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1218 data->glEnd();
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1219
2835
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1220 if (texturedata->shader != 0) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1221 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
1222 }
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1223
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1224 data->glDisable(texturedata->type);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1225
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1226 return 0;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1227 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1228
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1229 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1230 GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1231 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1232 SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1233 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1234
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1235 static void
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1236 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1237 {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1238 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata;
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1239 GL_TextureData *data = (GL_TextureData *) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1240
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1241 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1242 return;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1243 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1244 if (data->texture) {
1927
aeb8263d377a OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents: 1926
diff changeset
1245 renderdata->glDeleteTextures(1, &data->texture);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1246 }
1974
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1247 if (data->palette) {
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1248 SDL_free(data->palette);
70deaf574153 Added paletted OpenGL texture support.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
1249 }
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
1250 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
1251 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
1252 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1919
diff changeset
1253 SDL_FreeDirtyRects(&data->dirty);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1254 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1255 texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1256 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1257
1975
ccef0d0c40c6 Added resize support for GDI and Direct3D renderers
Sam Lantinga <slouken@libsdl.org>
parents: 1974
diff changeset
1258 static void
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1259 GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1260 {
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1261 GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1262
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1263 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
1264 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
1265 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
1266 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
1267 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, 0);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1268 if (data->fragment_program_UYVY != 0) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1269 data->glDeleteProgramsARB(1,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2858
diff changeset
1270 &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
1271 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1272 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer.
Ryan C. Gordon <icculus@icculus.org>
parents: 2833
diff changeset
1273
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
1274 /* 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
1275 SDL_GL_DeleteContext(data->context);
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1276 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1277 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1278 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1279 SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1280 }
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1281
1952
420716272158 Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents: 1928
diff changeset
1282 #endif /* SDL_VIDEO_RENDER_OGL */
1918
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1283
092bd3a019c5 Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1284 /* vi: set ts=4 sw=4 expandtab: */