Mercurial > sdl-ios-xcode
annotate src/video/SDL_renderer_gl.c @ 1970:db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 06 Aug 2006 04:39:13 +0000 |
parents | a788656ca29a |
children | 70deaf574153 |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2006 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 #include "SDL_config.h" |
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23 |
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24 #if SDL_VIDEO_RENDER_OGL |
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25 |
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26 #include "SDL_video.h" |
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27 #include "SDL_opengl.h" |
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28 #include "SDL_sysvideo.h" |
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29 #include "SDL_pixels_c.h" |
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30 #include "SDL_rect_c.h" |
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31 #include "SDL_yuv_sw_c.h" |
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32 |
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33 /* OpenGL renderer implementation */ |
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34 |
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35 static SDL_Renderer *GL_CreateRenderer(SDL_Window * window, Uint32 flags); |
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Switch OpenGL contexts when switching render contexts.
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36 static int GL_ActivateRenderer(SDL_Renderer * renderer); |
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37 static int GL_DisplayModeChanged(SDL_Renderer * renderer); |
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38 static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture); |
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39 static int GL_SetTexturePalette(SDL_Renderer * renderer, |
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40 SDL_Texture * texture, |
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41 const SDL_Color * colors, int firstcolor, |
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42 int ncolors); |
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43 static int GL_GetTexturePalette(SDL_Renderer * renderer, |
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44 SDL_Texture * texture, SDL_Color * colors, |
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45 int firstcolor, int ncolors); |
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46 static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
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47 const SDL_Rect * rect, const void *pixels, |
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48 int pitch); |
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49 static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
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50 const SDL_Rect * rect, int markDirty, |
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51 void **pixels, int *pitch); |
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52 static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture); |
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53 static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
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54 int numrects, const SDL_Rect * rects); |
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55 static int GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, |
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56 Uint32 color); |
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57 static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, |
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58 const SDL_Rect * srcrect, const SDL_Rect * dstrect, |
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59 int blendMode, int scaleMode); |
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60 static void GL_RenderPresent(SDL_Renderer * renderer); |
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61 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture); |
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62 static void GL_DestroyRenderer(SDL_Renderer * renderer); |
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63 |
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64 |
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65 SDL_RenderDriver GL_RenderDriver = { |
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66 GL_CreateRenderer, |
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67 { |
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68 "opengl", |
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69 (SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC | |
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70 SDL_RENDERER_ACCELERATED), |
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71 (SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK | |
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72 SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD | |
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73 SDL_TEXTUREBLENDMODE_MOD), |
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74 (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST | |
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75 SDL_TEXTURESCALEMODE_SLOW), |
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76 16, |
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77 { |
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78 SDL_PIXELFORMAT_INDEX1LSB, |
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79 SDL_PIXELFORMAT_INDEX1MSB, |
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80 SDL_PIXELFORMAT_INDEX8, |
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81 SDL_PIXELFORMAT_RGB332, |
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82 SDL_PIXELFORMAT_RGB444, |
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83 SDL_PIXELFORMAT_RGB555, |
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84 SDL_PIXELFORMAT_ARGB4444, |
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85 SDL_PIXELFORMAT_ARGB1555, |
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86 SDL_PIXELFORMAT_RGB565, |
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87 SDL_PIXELFORMAT_RGB24, |
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88 SDL_PIXELFORMAT_BGR24, |
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89 SDL_PIXELFORMAT_RGB888, |
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90 SDL_PIXELFORMAT_BGR888, |
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91 SDL_PIXELFORMAT_ARGB8888, |
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92 SDL_PIXELFORMAT_ABGR8888, |
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93 SDL_PIXELFORMAT_ARGB2101010}, |
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94 0, |
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95 0} |
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96 }; |
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97 |
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98 typedef struct |
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99 { |
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100 SDL_GLContext context; |
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101 SDL_bool updateSize; |
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102 SDL_bool GL_ARB_texture_rectangle_supported; |
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103 int blendMode; |
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104 int scaleMode; |
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105 |
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106 /* OpenGL functions */ |
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107 #define SDL_PROC(ret,func,params) ret (APIENTRY *func) params; |
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108 #include "SDL_glfuncs.h" |
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109 #undef SDL_PROC |
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110 } GL_RenderData; |
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111 |
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112 typedef struct |
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113 { |
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114 GLuint texture; |
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115 GLenum type; |
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116 GLfloat texw; |
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117 GLfloat texh; |
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118 GLenum format; |
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119 GLenum formattype; |
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120 void *pixels; |
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121 int pitch; |
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122 SDL_DirtyRectList dirty; |
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123 } GL_TextureData; |
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124 |
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125 |
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126 static void |
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127 GL_SetError(const char *prefix, GLenum result) |
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128 { |
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129 const char *error; |
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130 |
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131 switch (result) { |
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132 case GL_NO_ERROR: |
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133 error = "GL_NO_ERROR"; |
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134 break; |
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135 case GL_INVALID_ENUM: |
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136 error = "GL_INVALID_ENUM"; |
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137 break; |
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138 case GL_INVALID_VALUE: |
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139 error = "GL_INVALID_VALUE"; |
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140 break; |
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141 case GL_INVALID_OPERATION: |
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142 error = "GL_INVALID_OPERATION"; |
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143 break; |
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144 case GL_STACK_OVERFLOW: |
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145 error = "GL_STACK_OVERFLOW"; |
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146 break; |
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147 case GL_STACK_UNDERFLOW: |
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148 error = "GL_STACK_UNDERFLOW"; |
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149 break; |
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150 case GL_OUT_OF_MEMORY: |
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151 error = "GL_OUT_OF_MEMORY"; |
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152 break; |
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153 case GL_TABLE_TOO_LARGE: |
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154 error = "GL_TABLE_TOO_LARGE"; |
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155 break; |
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156 default: |
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157 error = "UNKNOWN"; |
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158 break; |
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159 } |
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160 SDL_SetError("%s: %s", prefix, error); |
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161 } |
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162 |
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163 static int |
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164 GL_LoadFunctions(GL_RenderData * data) |
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165 { |
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166 #if defined(__QNXNTO__) && (_NTO_VERSION < 630) |
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167 #define __SDL_NOGETPROCADDR__ |
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168 #elif defined(__MINT__) |
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169 #define __SDL_NOGETPROCADDR__ |
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170 #endif |
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171 #ifdef __SDL_NOGETPROCADDR__ |
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172 #define SDL_PROC(ret,func,params) data->func=func; |
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173 #else |
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174 #define SDL_PROC(ret,func,params) \ |
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175 do { \ |
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176 data->func = SDL_GL_GetProcAddress(#func); \ |
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177 if ( ! data->func ) { \ |
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178 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \ |
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179 return -1; \ |
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180 } \ |
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181 } while ( 0 ); |
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182 #endif /* __SDL_NOGETPROCADDR__ */ |
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183 |
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184 #include "SDL_glfuncs.h" |
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185 #undef SDL_PROC |
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186 return 0; |
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187 } |
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188 |
1918
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189 void |
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190 GL_AddRenderDriver(_THIS) |
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191 { |
1920
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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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192 if (_this->GL_CreateContext) { |
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193 SDL_AddRenderDriver(0, &GL_RenderDriver); |
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194 } |
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195 } |
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196 |
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197 SDL_Renderer * |
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198 GL_CreateRenderer(SDL_Window * window, Uint32 flags) |
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199 { |
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200 SDL_Renderer *renderer; |
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|
201 GL_RenderData *data; |
1952
420716272158
Implemented X11 OpenGL support.
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|
202 GLint value; |
1918
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203 |
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|
204 if (!(window->flags & SDL_WINDOW_OPENGL)) { |
1928
861bc36f0ab3
Fixed crash with multiple windows
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205 if (SDL_RecreateWindow(window, window->flags | SDL_WINDOW_OPENGL) < 0) { |
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206 return NULL; |
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207 } |
1918
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208 } |
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209 |
1920
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210 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer)); |
1918
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211 if (!renderer) { |
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|
212 SDL_OutOfMemory(); |
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|
213 return NULL; |
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|
214 } |
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215 |
1920
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216 data = (GL_RenderData *) SDL_calloc(1, sizeof(*data)); |
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217 if (!data) { |
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218 GL_DestroyRenderer(renderer); |
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|
219 SDL_OutOfMemory(); |
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|
220 return NULL; |
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|
221 } |
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|
222 |
1923
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
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|
223 renderer->ActivateRenderer = GL_ActivateRenderer; |
1970
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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1965
diff
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|
224 renderer->DisplayModeChanged = GL_DisplayModeChanged; |
1918
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225 renderer->CreateTexture = GL_CreateTexture; |
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226 renderer->SetTexturePalette = GL_SetTexturePalette; |
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227 renderer->GetTexturePalette = GL_GetTexturePalette; |
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228 renderer->UpdateTexture = GL_UpdateTexture; |
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229 renderer->LockTexture = GL_LockTexture; |
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|
230 renderer->UnlockTexture = GL_UnlockTexture; |
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|
231 renderer->DirtyTexture = GL_DirtyTexture; |
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232 renderer->RenderFill = GL_RenderFill; |
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233 renderer->RenderCopy = GL_RenderCopy; |
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|
234 renderer->RenderPresent = GL_RenderPresent; |
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235 renderer->DestroyTexture = GL_DestroyTexture; |
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|
236 renderer->DestroyRenderer = GL_DestroyRenderer; |
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|
237 renderer->info = GL_RenderDriver.info; |
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|
238 renderer->window = window->id; |
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Starting on the OpenGL renderer...
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|
239 renderer->driverdata = data; |
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|
240 |
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Starting on the OpenGL renderer...
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diff
changeset
|
241 renderer->info.flags = |
1965
a788656ca29a
SDL constants are all uppercase.
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|
242 (SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED); |
1918
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Starting on the OpenGL renderer...
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|
243 |
1927
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OpenGL renderer is feature complete!
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|
244 if (GL_LoadFunctions(data) < 0) { |
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OpenGL renderer is feature complete!
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|
245 GL_DestroyRenderer(renderer); |
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OpenGL renderer is feature complete!
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|
246 return NULL; |
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|
247 } |
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|
248 |
1918
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Starting on the OpenGL renderer...
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|
249 data->context = SDL_GL_CreateContext(window->id); |
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Starting on the OpenGL renderer...
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changeset
|
250 if (!data->context) { |
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Starting on the OpenGL renderer...
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diff
changeset
|
251 GL_DestroyRenderer(renderer); |
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Starting on the OpenGL renderer...
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|
252 return NULL; |
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Starting on the OpenGL renderer...
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diff
changeset
|
253 } |
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Starting on the OpenGL renderer...
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diff
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|
254 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) { |
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Starting on the OpenGL renderer...
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diff
changeset
|
255 GL_DestroyRenderer(renderer); |
092bd3a019c5
Starting on the OpenGL renderer...
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changeset
|
256 return NULL; |
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Starting on the OpenGL renderer...
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diff
changeset
|
257 } |
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Starting on the OpenGL renderer...
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changeset
|
258 |
1965
a788656ca29a
SDL constants are all uppercase.
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1952
diff
changeset
|
259 if (flags & SDL_RENDERER_PRESENTVSYNC) { |
1918
092bd3a019c5
Starting on the OpenGL renderer...
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diff
changeset
|
260 SDL_GL_SetSwapInterval(1); |
092bd3a019c5
Starting on the OpenGL renderer...
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parents:
diff
changeset
|
261 } else { |
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Starting on the OpenGL renderer...
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diff
changeset
|
262 SDL_GL_SetSwapInterval(0); |
092bd3a019c5
Starting on the OpenGL renderer...
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parents:
diff
changeset
|
263 } |
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Starting on the OpenGL renderer...
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diff
changeset
|
264 if (SDL_GL_GetSwapInterval() > 0) { |
1965
a788656ca29a
SDL constants are all uppercase.
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1952
diff
changeset
|
265 renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC; |
1918
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Starting on the OpenGL renderer...
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changeset
|
266 } |
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Starting on the OpenGL renderer...
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diff
changeset
|
267 |
1952
420716272158
Implemented X11 OpenGL support.
Sam Lantinga <slouken@libsdl.org>
parents:
1928
diff
changeset
|
268 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value); |
420716272158
Implemented X11 OpenGL support.
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diff
changeset
|
269 renderer->info.max_texture_width = value; |
420716272158
Implemented X11 OpenGL support.
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1928
diff
changeset
|
270 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value); |
420716272158
Implemented X11 OpenGL support.
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parents:
1928
diff
changeset
|
271 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.
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|
272 |
1926
307355678142
Added SDL_GL_ExtensionSupported()
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1924
diff
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|
273 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle") |
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Added SDL_GL_ExtensionSupported()
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|
274 || SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) { |
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Added SDL_GL_ExtensionSupported()
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changeset
|
275 data->GL_ARB_texture_rectangle_supported = SDL_TRUE; |
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Added SDL_GL_ExtensionSupported()
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|
276 } |
1920
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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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|
277 |
1918
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Starting on the OpenGL renderer...
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|
278 /* Set up parameters for rendering */ |
1927
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OpenGL renderer is feature complete!
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|
279 data->blendMode = -1; |
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|
280 data->scaleMode = -1; |
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|
281 data->glDisable(GL_DEPTH_TEST); |
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OpenGL renderer is feature complete!
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|
282 data->glDisable(GL_CULL_FACE); |
1926
307355678142
Added SDL_GL_ExtensionSupported()
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parents:
1924
diff
changeset
|
283 if (data->GL_ARB_texture_rectangle_supported) { |
1927
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OpenGL renderer is feature complete!
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changeset
|
284 data->glEnable(GL_TEXTURE_RECTANGLE_ARB); |
1926
307355678142
Added SDL_GL_ExtensionSupported()
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diff
changeset
|
285 } else { |
1927
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diff
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|
286 data->glEnable(GL_TEXTURE_2D); |
1926
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Added SDL_GL_ExtensionSupported()
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|
287 } |
1970
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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1965
diff
changeset
|
288 data->updateSize = SDL_TRUE; |
1918
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diff
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|
289 |
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Starting on the OpenGL renderer...
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diff
changeset
|
290 return renderer; |
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Starting on the OpenGL renderer...
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parents:
diff
changeset
|
291 } |
092bd3a019c5
Starting on the OpenGL renderer...
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changeset
|
292 |
1923
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
293 static int |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
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1922
diff
changeset
|
294 GL_ActivateRenderer(SDL_Renderer * renderer) |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
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1922
diff
changeset
|
295 { |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
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1922
diff
changeset
|
296 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
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1922
diff
changeset
|
297 SDL_Window *window = SDL_GetWindowFromID(renderer->window); |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
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1922
diff
changeset
|
298 |
1970
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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parents:
1965
diff
changeset
|
299 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) { |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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parents:
1965
diff
changeset
|
300 return -1; |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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1965
diff
changeset
|
301 } |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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parents:
1965
diff
changeset
|
302 if (data->updateSize) { |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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parents:
1965
diff
changeset
|
303 data->glMatrixMode(GL_PROJECTION); |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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parents:
1965
diff
changeset
|
304 data->glLoadIdentity(); |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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parents:
1965
diff
changeset
|
305 data->glMatrixMode(GL_MODELVIEW); |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
306 data->glLoadIdentity(); |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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parents:
1965
diff
changeset
|
307 data->glViewport(0, 0, window->w, window->h); |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
308 data->glOrtho(0.0, (GLdouble) window->w, (GLdouble) window->h, 0.0, |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
309 0.0, 1.0); |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
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parents:
1965
diff
changeset
|
310 data->updateSize = SDL_FALSE; |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
311 } |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
312 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
|
313 } |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
314 |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
315 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
|
316 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
|
317 { |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
318 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
|
319 |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
320 data->updateSize = SDL_TRUE; |
db3ba6c0d0df
Allow the render context to do necessary work when the video mode changes.
Sam Lantinga <slouken@libsdl.org>
parents:
1965
diff
changeset
|
321 return 0; |
1923
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
322 } |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
323 |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
324 static __inline__ int |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
325 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
|
326 { |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
327 int value = 1; |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
328 |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
329 while (value < input) { |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
330 value <<= 1; |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
331 } |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
332 return value; |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
333 } |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
334 |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
335 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
336 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
337 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
338 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
339 SDL_Window *window = SDL_GetWindowFromID(renderer->window); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
340 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
|
341 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
|
342 GLenum format, type; |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
343 int texture_w, texture_h; |
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
|
344 GLenum result; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
345 |
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
|
346 switch (texture->format) { |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
347 case SDL_PIXELFORMAT_INDEX1LSB: |
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
348 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
|
349 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
|
350 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
|
351 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
|
352 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
353 case SDL_PIXELFORMAT_INDEX8: |
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
|
354 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
|
355 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
|
356 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
|
357 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
358 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
|
359 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
|
360 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
|
361 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
|
362 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
363 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
|
364 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
|
365 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
|
366 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
|
367 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
368 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
|
369 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
|
370 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
|
371 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
|
372 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
373 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
|
374 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
|
375 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
|
376 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
|
377 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
378 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
|
379 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
|
380 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
|
381 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
|
382 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
383 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
|
384 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
|
385 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
|
386 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
|
387 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
388 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
|
389 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
|
390 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
|
391 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
|
392 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
393 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
|
394 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
|
395 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
|
396 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
|
397 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
398 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
|
399 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
|
400 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
|
401 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
|
402 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
403 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
|
404 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
|
405 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
|
406 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
|
407 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
408 case SDL_PIXELFORMAT_ARGB8888: |
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
|
409 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
|
410 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
|
411 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
|
412 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
413 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
|
414 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
|
415 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
|
416 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
|
417 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
418 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
|
419 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
|
420 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
|
421 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
|
422 break; |
8a162bfdc838
Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents:
1919
diff
changeset
|
423 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
|
424 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
|
425 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
|
426 } |
8a162bfdc838
Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents:
1919
diff
changeset
|
427 |
8a162bfdc838
Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents:
1919
diff
changeset
|
428 data = (GL_TextureData *) SDL_calloc(1, sizeof(*data)); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
429 if (!data) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
430 SDL_OutOfMemory(); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
431 return -1; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
432 } |
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 texture->driverdata = data; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
435 |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
436 renderdata->glGetError(); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
437 renderdata->glGenTextures(1, &data->texture); |
1926
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
438 if (renderdata->GL_ARB_texture_rectangle_supported) { |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
439 data->type = GL_TEXTURE_RECTANGLE_ARB; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
440 texture_w = texture->w; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
441 texture_h = texture->h; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
442 data->texw = (GLfloat) texture->w; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
443 data->texh = (GLfloat) texture->h; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
444 } else { |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
445 data->type = GL_TEXTURE_2D; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
446 texture_w = power_of_2(texture->w); |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
447 texture_h = power_of_2(texture->h); |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
448 data->texw = (GLfloat) texture->w / texture_w; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
449 data->texh = (GLfloat) texture->h / texture_h; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
450 } |
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
|
451 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
|
452 data->formattype = type; |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
453 renderdata->glBindTexture(data->type, data->texture); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
454 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w, |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
455 texture_h, 0, format, type, NULL); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
456 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
|
457 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
|
458 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
|
459 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
|
460 } |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
461 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
462 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
463 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
464 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
465 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
466 const SDL_Color * colors, int firstcolor, int ncolors) |
092bd3a019c5
Starting on the OpenGL renderer...
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|
467 { |
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Starting on the OpenGL renderer...
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|
468 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
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|
469 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
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Starting on the OpenGL renderer...
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parents:
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|
470 |
092bd3a019c5
Starting on the OpenGL renderer...
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parents:
diff
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|
471 return 0; |
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Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
472 } |
092bd3a019c5
Starting on the OpenGL renderer...
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parents:
diff
changeset
|
473 |
092bd3a019c5
Starting on the OpenGL renderer...
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parents:
diff
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|
474 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
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|
475 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
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|
476 SDL_Color * colors, int firstcolor, int ncolors) |
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Starting on the OpenGL renderer...
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parents:
diff
changeset
|
477 { |
092bd3a019c5
Starting on the OpenGL renderer...
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parents:
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|
478 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
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Starting on the OpenGL renderer...
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parents:
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|
479 |
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Starting on the OpenGL renderer...
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parents:
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changeset
|
480 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
481 } |
092bd3a019c5
Starting on the OpenGL renderer...
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parents:
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|
482 |
1924
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If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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|
483 static void |
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OpenGL renderer is feature complete!
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484 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture, |
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OpenGL renderer is feature complete!
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485 int pitch) |
1924
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If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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|
486 { |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
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|
487 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) { |
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OpenGL renderer is feature complete!
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488 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1); |
1965
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SDL constants are all uppercase.
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1952
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489 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) { |
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OpenGL renderer is feature complete!
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490 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 0); |
1924
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If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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|
491 } |
1927
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OpenGL renderer is feature complete!
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492 renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1); |
aeb8263d377a
OpenGL renderer is feature complete!
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493 renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH, |
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OpenGL renderer is feature complete!
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494 pitch / SDL_BYTESPERPIXEL(texture->format)); |
1924
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If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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495 } |
69217fdd2c0a
If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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|
496 |
1918
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Starting on the OpenGL renderer...
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|
497 static int |
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Starting on the OpenGL renderer...
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498 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
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Starting on the OpenGL renderer...
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499 const SDL_Rect * rect, const void *pixels, int pitch) |
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Starting on the OpenGL renderer...
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|
500 { |
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OpenGL renderer is feature complete!
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501 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata; |
1918
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Starting on the OpenGL renderer...
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|
502 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
1924
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If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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|
503 GLenum result; |
1918
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Starting on the OpenGL renderer...
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|
504 |
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OpenGL renderer is feature complete!
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|
505 renderdata->glGetError(); |
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OpenGL renderer is feature complete!
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506 SetupTextureUpdate(renderdata, texture, pitch); |
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OpenGL renderer is feature complete!
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507 renderdata->glBindTexture(data->type, data->texture); |
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OpenGL renderer is feature complete!
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508 renderdata->glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w, |
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OpenGL renderer is feature complete!
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509 rect->h, data->format, data->formattype, |
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OpenGL renderer is feature complete!
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510 pixels); |
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OpenGL renderer is feature complete!
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511 result = renderdata->glGetError(); |
1924
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If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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|
512 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>
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513 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>
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514 return -1; |
69217fdd2c0a
If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled.
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515 } |
1918
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Starting on the OpenGL renderer...
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516 return 0; |
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Starting on the OpenGL renderer...
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|
517 } |
092bd3a019c5
Starting on the OpenGL renderer...
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diff
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|
518 |
092bd3a019c5
Starting on the OpenGL renderer...
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|
519 static int |
092bd3a019c5
Starting on the OpenGL renderer...
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parents:
diff
changeset
|
520 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
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Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
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|
521 const SDL_Rect * rect, int markDirty, void **pixels, |
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Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
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|
522 int *pitch) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
523 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
524 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
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Starting on the OpenGL renderer...
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|
525 |
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
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|
526 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
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|
527 data->pitch = texture->w * SDL_BYTESPERPIXEL(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
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|
528 data->pixels = SDL_malloc(texture->h * data->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
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|
529 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
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|
530 SDL_OutOfMemory(); |
8a162bfdc838
Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents:
1919
diff
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|
531 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
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|
532 } |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
533 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
534 |
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
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|
535 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>
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1919
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|
536 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
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|
537 } |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
538 |
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
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|
539 *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
|
540 (void *) ((Uint8 *) data->pixels + rect->y * data->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
|
541 rect->x * SDL_BYTESPERPIXEL(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
|
542 *pitch = data->pitch; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
543 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
544 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
545 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
546 static void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
547 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
548 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
549 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
550 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
551 static void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
552 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
553 const SDL_Rect * rects) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
554 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
555 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
556 int i; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
557 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
558 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
|
559 SDL_AddDirtyRect(&data->dirty, &rects[i]); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
560 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
561 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
562 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
563 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
564 GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
565 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
566 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
567 SDL_Window *window = SDL_GetWindowFromID(renderer->window); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
568 GLclampf r, g, b, a; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
569 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
570 a = ((GLclampf) ((color >> 24) & 0xFF)) / 255.0f; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
571 r = ((GLclampf) ((color >> 16) & 0xFF)) / 255.0f; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
572 g = ((GLclampf) ((color >> 8) & 0xFF)) / 255.0f; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
573 b = ((GLclampf) (color & 0xFF)) / 255.0f; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
574 |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
575 data->glClearColor(r, g, b, a); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
576 data->glViewport(rect->x, window->h - rect->y, rect->w, rect->h); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
577 data->glClear(GL_COLOR_BUFFER_BIT); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
578 data->glViewport(0, 0, window->w, window->h); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
579 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
580 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
581 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
582 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
583 GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
584 const SDL_Rect * srcrect, const SDL_Rect * dstrect, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
585 int blendMode, int scaleMode) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
586 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
587 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; |
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Starting on the OpenGL renderer...
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588 GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata; |
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Starting on the OpenGL renderer...
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diff
changeset
|
589 int minx, miny, maxx, maxy; |
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Starting on the OpenGL renderer...
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diff
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|
590 GLfloat minu, maxu, minv, maxv; |
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Starting on the OpenGL renderer...
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diff
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|
591 |
1920
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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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1919
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|
592 if (texturedata->dirty.count > 0) { |
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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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|
593 SDL_DirtyRect *dirty; |
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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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|
594 void *pixels; |
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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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|
595 int bpp = SDL_BYTESPERPIXEL(texture->format); |
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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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|
596 int pitch = texturedata->pitch; |
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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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|
597 |
1927
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OpenGL renderer is feature complete!
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|
598 SetupTextureUpdate(data, texture, pitch); |
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OpenGL renderer is feature complete!
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|
599 data->glBindTexture(texturedata->type, texturedata->texture); |
1920
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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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|
600 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.
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1919
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601 SDL_Rect *rect = &dirty->rect; |
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Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
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1919
diff
changeset
|
602 pixels = |
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Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
603 (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.
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parents:
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diff
changeset
|
604 rect->x * bpp); |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
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diff
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|
605 data->glTexSubImage2D(texturedata->type, 0, rect->x, rect->y, |
aeb8263d377a
OpenGL renderer is feature complete!
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diff
changeset
|
606 rect->w, rect->h, texturedata->format, |
aeb8263d377a
OpenGL renderer is feature complete!
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1926
diff
changeset
|
607 texturedata->formattype, pixels); |
1920
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Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
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parents:
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|
608 } |
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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1919
diff
changeset
|
609 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
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|
610 } |
8a162bfdc838
Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
611 |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
612 minx = dstrect->x; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
613 miny = dstrect->y; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
614 maxx = dstrect->x + dstrect->w; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
615 maxy = dstrect->y + dstrect->h; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
616 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
617 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
|
618 minu *= texturedata->texw; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
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diff
changeset
|
619 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
|
620 maxu *= texturedata->texw; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
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diff
changeset
|
621 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.
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1919
diff
changeset
|
622 minv *= texturedata->texh; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
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diff
changeset
|
623 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.
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parents:
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diff
changeset
|
624 maxv *= texturedata->texh; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
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diff
changeset
|
625 |
1927
aeb8263d377a
OpenGL renderer is feature complete!
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|
626 data->glBindTexture(texturedata->type, texturedata->texture); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
627 |
1927
aeb8263d377a
OpenGL renderer is feature complete!
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diff
changeset
|
628 if (blendMode != data->blendMode) { |
aeb8263d377a
OpenGL renderer is feature complete!
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|
629 switch (blendMode) { |
1965
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SDL constants are all uppercase.
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diff
changeset
|
630 case SDL_TEXTUREBLENDMODE_NONE: |
1927
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OpenGL renderer is feature complete!
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|
631 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); |
aeb8263d377a
OpenGL renderer is feature complete!
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1926
diff
changeset
|
632 data->glDisable(GL_BLEND); |
aeb8263d377a
OpenGL renderer is feature complete!
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parents:
1926
diff
changeset
|
633 break; |
1965
a788656ca29a
SDL constants are all uppercase.
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1952
diff
changeset
|
634 case SDL_TEXTUREBLENDMODE_MASK: |
a788656ca29a
SDL constants are all uppercase.
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parents:
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diff
changeset
|
635 case SDL_TEXTUREBLENDMODE_BLEND: |
1927
aeb8263d377a
OpenGL renderer is feature complete!
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1926
diff
changeset
|
636 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
aeb8263d377a
OpenGL renderer is feature complete!
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parents:
1926
diff
changeset
|
637 data->glEnable(GL_BLEND); |
aeb8263d377a
OpenGL renderer is feature complete!
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parents:
1926
diff
changeset
|
638 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
639 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
640 case SDL_TEXTUREBLENDMODE_ADD: |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
641 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
642 data->glEnable(GL_BLEND); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
643 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
644 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
645 case SDL_TEXTUREBLENDMODE_MOD: |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
646 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
aeb8263d377a
OpenGL renderer is feature complete!
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parents:
1926
diff
changeset
|
647 data->glEnable(GL_BLEND); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
648 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
649 break; |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
650 } |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
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1926
diff
changeset
|
651 data->blendMode = blendMode; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
652 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
653 |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
654 if (scaleMode != data->scaleMode) { |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
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1926
diff
changeset
|
655 switch (scaleMode) { |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
656 case SDL_TEXTURESCALEMODE_NONE: |
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
657 case SDL_TEXTURESCALEMODE_FAST: |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
658 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER, |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
659 GL_NEAREST); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
660 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER, |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
661 GL_NEAREST); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
662 break; |
1965
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
663 case SDL_TEXTURESCALEMODE_SLOW: |
a788656ca29a
SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents:
1952
diff
changeset
|
664 case SDL_TEXTURESCALEMODE_BEST: |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
665 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER, |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
666 GL_LINEAR); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
667 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER, |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
668 GL_LINEAR); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
669 break; |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
670 } |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
671 data->scaleMode = scaleMode; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
672 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
673 |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
674 data->glBegin(GL_TRIANGLE_STRIP); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
675 data->glTexCoord2f(minu, minv); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
676 data->glVertex2i(minx, miny); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
677 data->glTexCoord2f(maxu, minv); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
678 data->glVertex2i(maxx, miny); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
679 data->glTexCoord2f(minu, maxv); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
680 data->glVertex2i(minx, maxy); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
681 data->glTexCoord2f(maxu, maxv); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
682 data->glVertex2i(maxx, maxy); |
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
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1926
diff
changeset
|
683 data->glEnd(); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
684 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
685 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
686 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
687 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
688 static void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
689 GL_RenderPresent(SDL_Renderer * renderer) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
690 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
691 SDL_GL_SwapWindow(renderer->window); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
692 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
693 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
694 static void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
695 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
696 { |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
697 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
698 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
699 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
700 if (!data) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
701 return; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
702 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
703 if (data->texture) { |
1927
aeb8263d377a
OpenGL renderer is feature complete!
Sam Lantinga <slouken@libsdl.org>
parents:
1926
diff
changeset
|
704 renderdata->glDeleteTextures(1, &data->texture); |
1918
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705 } |
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706 if (data->pixels) { |
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707 SDL_free(data->pixels); |
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708 } |
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709 SDL_FreeDirtyRects(&data->dirty); |
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710 SDL_free(data); |
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711 texture->driverdata = NULL; |
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712 } |
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713 |
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714 void |
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715 GL_DestroyRenderer(SDL_Renderer * renderer) |
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716 { |
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717 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; |
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718 |
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719 if (data) { |
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720 if (data->context) { |
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721 SDL_GL_MakeCurrent(0, NULL); |
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722 SDL_GL_DeleteContext(data->context); |
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723 } |
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724 SDL_free(data); |
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725 } |
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726 SDL_free(renderer); |
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727 } |
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728 |
1952
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Implemented X11 OpenGL support.
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729 #endif /* SDL_VIDEO_RENDER_OGL */ |
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730 |
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731 /* vi: set ts=4 sw=4 expandtab: */ |