Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11gl.c @ 1658:e49147870aac SDL-1.3
glSDL support
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 01 May 2006 06:58:33 +0000 |
| parents | 96c2f89cc7e1 |
| children | 14717b52abc0 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 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 |
| 0 | 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. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 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 |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 #include "SDL_x11video.h" | |
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25 #include "../../events/SDL_events_c.h" |
| 0 | 26 #include "SDL_x11dga_c.h" |
| 27 #include "SDL_x11gl_c.h" | |
| 28 | |
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29 #if defined(__IRIX__) |
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30 /* IRIX doesn't have a GL library versioning system */ |
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31 #define DEFAULT_OPENGL "libGL.so" |
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32 #elif defined(__MACOSX__) |
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33 #define DEFAULT_OPENGL "/usr/X11R6/lib/libGL.1.dylib" |
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34 #elif defined(__QNXNTO__) |
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35 #define DEFAULT_OPENGL "libGL.so.3" |
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36 #else |
| 0 | 37 #define DEFAULT_OPENGL "libGL.so.1" |
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38 #endif |
| 0 | 39 |
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40 #ifndef GLX_ARB_multisample |
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41 #define GLX_ARB_multisample |
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42 #define GLX_SAMPLE_BUFFERS_ARB 100000 |
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43 #define GLX_SAMPLES_ARB 100001 |
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44 #endif |
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45 |
| 1656 | 46 #ifndef GLX_EXT_visual_rating |
| 47 #define GLX_EXT_visual_rating | |
| 48 #define GLX_VISUAL_CAVEAT_EXT 0x20 | |
| 49 #define GLX_SLOW_VISUAL_EXT 0x8001 | |
| 50 #define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D | |
| 51 #endif | |
| 52 | |
| 53 #if SDL_VIDEO_OPENGL_GLX | |
| 54 static int glXExtensionSupported(_THIS, const char *extension) | |
| 55 { | |
| 56 const char *extensions; | |
| 57 const char *start; | |
| 58 const char *where, *terminator; | |
| 59 | |
| 60 /* Extension names should not have spaces. */ | |
| 61 where = SDL_strchr(extension, ' '); | |
| 62 if ( where || *extension == '\0' ) { | |
| 63 return 0; | |
| 64 } | |
| 65 | |
| 66 extensions = this->gl_data->glXQueryExtensionsString(GFX_Display,SDL_Screen); | |
| 67 /* It takes a bit of care to be fool-proof about parsing the | |
| 68 * OpenGL extensions string. Don't be fooled by sub-strings, etc. | |
| 69 */ | |
| 70 | |
| 71 start = extensions; | |
| 72 | |
| 73 for (;;) { | |
| 74 where = SDL_strstr(start, extension); | |
| 75 if (!where) break; | |
| 76 | |
| 77 terminator = where + strlen(extension); | |
| 78 if (where == start || *(where - 1) == ' ') | |
| 79 if (*terminator == ' ' || *terminator == '\0') return 1; | |
| 80 | |
| 81 start = terminator; | |
| 82 } | |
| 83 return 0; | |
| 84 } | |
| 85 #endif /* SDL_VIDEO_OPENGL_GLX */ | |
| 86 | |
| 0 | 87 XVisualInfo *X11_GL_GetVisual(_THIS) |
| 88 { | |
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89 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 90 /* 64 seems nice. */ |
| 91 int attribs[64]; | |
| 92 int i; | |
| 93 | |
| 94 /* load the gl driver from a default path */ | |
| 95 if ( ! this->gl_config.driver_loaded ) { | |
| 96 /* no driver has been loaded, use default (ourselves) */ | |
| 97 if ( X11_GL_LoadLibrary(this, NULL) < 0 ) { | |
| 98 return NULL; | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 /* See if we already have a window which we must use */ | |
| 103 if ( SDL_windowid ) { | |
| 104 XWindowAttributes a; | |
| 105 XVisualInfo vi_in; | |
| 106 int out_count; | |
| 107 | |
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108 XGetWindowAttributes(SDL_Display, SDL_Window, &a); |
| 0 | 109 vi_in.screen = SDL_Screen; |
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110 vi_in.visualid = XVisualIDFromVisual(a.visual); |
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111 glx_visualinfo = XGetVisualInfo(SDL_Display, |
| 0 | 112 VisualScreenMask|VisualIDMask, &vi_in, &out_count); |
| 113 return glx_visualinfo; | |
| 114 } | |
| 115 | |
| 116 /* Setup our GLX attributes according to the gl_config. */ | |
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117 i = 0; |
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118 attribs[i++] = GLX_RGBA; |
| 0 | 119 attribs[i++] = GLX_RED_SIZE; |
| 120 attribs[i++] = this->gl_config.red_size; | |
| 121 attribs[i++] = GLX_GREEN_SIZE; | |
| 122 attribs[i++] = this->gl_config.green_size; | |
| 123 attribs[i++] = GLX_BLUE_SIZE; | |
| 124 attribs[i++] = this->gl_config.blue_size; | |
| 125 | |
| 126 if( this->gl_config.alpha_size ) { | |
| 127 attribs[i++] = GLX_ALPHA_SIZE; | |
| 128 attribs[i++] = this->gl_config.alpha_size; | |
| 129 } | |
| 130 | |
| 131 if( this->gl_config.buffer_size ) { | |
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132 attribs[i++] = GLX_BUFFER_SIZE; |
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133 attribs[i++] = this->gl_config.buffer_size; |
| 0 | 134 } |
| 135 | |
| 136 if( this->gl_config.double_buffer ) { | |
| 137 attribs[i++] = GLX_DOUBLEBUFFER; | |
| 138 } | |
| 139 | |
| 140 attribs[i++] = GLX_DEPTH_SIZE; | |
| 141 attribs[i++] = this->gl_config.depth_size; | |
| 142 | |
| 143 if( this->gl_config.stencil_size ) { | |
| 144 attribs[i++] = GLX_STENCIL_SIZE; | |
| 145 attribs[i++] = this->gl_config.stencil_size; | |
| 146 } | |
| 147 | |
| 148 if( this->gl_config.accum_red_size ) { | |
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149 attribs[i++] = GLX_ACCUM_RED_SIZE; |
| 0 | 150 attribs[i++] = this->gl_config.accum_red_size; |
| 151 } | |
| 152 | |
| 153 if( this->gl_config.accum_green_size ) { | |
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154 attribs[i++] = GLX_ACCUM_GREEN_SIZE; |
| 0 | 155 attribs[i++] = this->gl_config.accum_green_size; |
| 156 } | |
| 157 | |
| 158 if( this->gl_config.accum_blue_size ) { | |
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159 attribs[i++] = GLX_ACCUM_BLUE_SIZE; |
| 0 | 160 attribs[i++] = this->gl_config.accum_blue_size; |
| 161 } | |
| 162 | |
| 163 if( this->gl_config.accum_alpha_size ) { | |
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164 attribs[i++] = GLX_ACCUM_ALPHA_SIZE; |
| 0 | 165 attribs[i++] = this->gl_config.accum_alpha_size; |
| 166 } | |
| 167 | |
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168 if( this->gl_config.stereo ) { |
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169 attribs[i++] = GLX_STEREO; |
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170 } |
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171 |
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172 if( this->gl_config.multisamplebuffers ) { |
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173 attribs[i++] = GLX_SAMPLE_BUFFERS_ARB; |
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174 attribs[i++] = this->gl_config.multisamplebuffers; |
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175 } |
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176 |
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177 if( this->gl_config.multisamplesamples ) { |
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178 attribs[i++] = GLX_SAMPLES_ARB; |
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179 attribs[i++] = this->gl_config.multisamplesamples; |
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180 } |
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181 |
| 1656 | 182 if( this->gl_config.accelerated >= 0 && |
| 183 glXExtensionSupported(this, "GLX_EXT_visual_rating") ) { | |
| 184 attribs[i++] = GLX_VISUAL_CAVEAT_EXT; | |
| 185 attribs[i++] = this->gl_config.accelerated ? GLX_NONE : GLX_DONT_CARE; | |
| 186 } | |
| 187 | |
| 0 | 188 #ifdef GLX_DIRECT_COLOR /* Try for a DirectColor visual for gamma support */ |
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189 if ( !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { |
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190 attribs[i++] = GLX_X_VISUAL_TYPE; |
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191 attribs[i++] = GLX_DIRECT_COLOR; |
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192 } |
| 0 | 193 #endif |
| 194 attribs[i++] = None; | |
| 195 | |
| 196 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display, | |
| 197 SDL_Screen, attribs); | |
| 198 #ifdef GLX_DIRECT_COLOR | |
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199 if( !glx_visualinfo && !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { /* No DirectColor visual? Try again.. */ |
| 0 | 200 attribs[i-3] = None; |
| 201 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display, | |
| 202 SDL_Screen, attribs); | |
| 203 } | |
| 204 #endif | |
| 205 if( !glx_visualinfo ) { | |
| 206 SDL_SetError( "Couldn't find matching GLX visual"); | |
| 207 return NULL; | |
| 208 } | |
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209 /* |
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210 printf("Found GLX visual 0x%x\n", glx_visualinfo->visualid); |
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211 */ |
| 0 | 212 return glx_visualinfo; |
| 213 #else | |
| 214 SDL_SetError("X11 driver not configured with OpenGL"); | |
| 215 return NULL; | |
| 216 #endif | |
| 217 } | |
| 218 | |
| 219 int X11_GL_CreateWindow(_THIS, int w, int h) | |
| 220 { | |
| 221 int retval; | |
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222 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 223 XSetWindowAttributes attributes; |
| 224 unsigned long mask; | |
| 225 unsigned long black; | |
| 226 | |
| 227 black = (glx_visualinfo->visual == DefaultVisual(SDL_Display, | |
| 228 SDL_Screen)) | |
| 229 ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 230 attributes.background_pixel = black; | |
| 231 attributes.border_pixel = black; | |
| 232 attributes.colormap = SDL_XColorMap; | |
| 233 mask = CWBackPixel | CWBorderPixel | CWColormap; | |
| 234 | |
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235 SDL_Window = XCreateWindow(SDL_Display, WMwindow, |
| 0 | 236 0, 0, w, h, 0, glx_visualinfo->depth, |
| 237 InputOutput, glx_visualinfo->visual, | |
| 238 mask, &attributes); | |
| 239 if ( !SDL_Window ) { | |
| 240 SDL_SetError("Could not create window"); | |
| 241 return -1; | |
| 242 } | |
| 243 retval = 0; | |
| 244 #else | |
| 245 SDL_SetError("X11 driver not configured with OpenGL"); | |
| 246 retval = -1; | |
| 247 #endif | |
| 248 return(retval); | |
| 249 } | |
| 250 | |
| 251 int X11_GL_CreateContext(_THIS) | |
| 252 { | |
| 253 int retval; | |
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254 #if SDL_VIDEO_OPENGL_GLX |
| 1656 | 255 |
| 0 | 256 /* We do this to create a clean separation between X and GLX errors. */ |
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257 XSync( SDL_Display, False ); |
| 0 | 258 glx_context = this->gl_data->glXCreateContext(GFX_Display, |
| 259 glx_visualinfo, NULL, True); | |
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260 XSync( GFX_Display, False ); |
| 0 | 261 |
| 1656 | 262 if ( glx_context == NULL ) { |
| 0 | 263 SDL_SetError("Could not create GL context"); |
| 1656 | 264 return(-1); |
| 265 } | |
| 266 if ( X11_GL_MakeCurrent(this) < 0 ) { | |
| 267 return(-1); | |
| 268 } | |
| 269 gl_active = 1; | |
| 270 | |
| 271 if ( !glXExtensionSupported(this, "SGI_swap_control") ) { | |
| 272 this->gl_data->glXSwapIntervalSGI = NULL; | |
| 0 | 273 } |
| 1656 | 274 if ( !glXExtensionSupported(this, "GLX_MESA_swap_control") ) { |
| 275 this->gl_data->glXSwapIntervalMESA = NULL; | |
| 276 this->gl_data->glXGetSwapIntervalMESA = NULL; | |
| 277 } | |
| 278 if ( this->gl_config.swap_control >= 0 ) { | |
| 279 if ( this->gl_data->glXSwapIntervalMESA ) { | |
| 280 this->gl_data->glXSwapIntervalMESA(this->gl_config.swap_control); | |
| 281 } else if ( this->gl_data->glXSwapIntervalSGI ) { | |
| 282 this->gl_data->glXSwapIntervalSGI(this->gl_config.swap_control); | |
| 283 } | |
| 284 } | |
| 0 | 285 #else |
| 286 SDL_SetError("X11 driver not configured with OpenGL"); | |
| 287 #endif | |
| 288 if ( gl_active ) { | |
| 289 retval = 0; | |
| 290 } else { | |
| 291 retval = -1; | |
| 292 } | |
| 293 return(retval); | |
| 294 } | |
| 295 | |
| 296 void X11_GL_Shutdown(_THIS) | |
| 297 { | |
|
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298 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 299 /* Clean up OpenGL */ |
| 300 if( glx_context ) { | |
| 301 this->gl_data->glXMakeCurrent(GFX_Display, None, NULL); | |
| 302 | |
| 303 if (glx_context != NULL) | |
| 304 this->gl_data->glXDestroyContext(GFX_Display, glx_context); | |
| 305 | |
| 306 glx_context = NULL; | |
| 307 } | |
| 308 gl_active = 0; | |
|
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309 #endif /* SDL_VIDEO_OPENGL_GLX */ |
| 0 | 310 } |
| 311 | |
|
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312 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 313 |
| 314 /* Make the current context active */ | |
| 315 int X11_GL_MakeCurrent(_THIS) | |
| 316 { | |
| 317 int retval; | |
|
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318 |
| 0 | 319 retval = 0; |
| 320 if ( ! this->gl_data->glXMakeCurrent(GFX_Display, | |
| 321 SDL_Window, glx_context) ) { | |
| 322 SDL_SetError("Unable to make GL context current"); | |
| 323 retval = -1; | |
| 324 } | |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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|
325 XSync( GFX_Display, False ); |
| 0 | 326 |
| 327 /* More Voodoo X server workarounds... Grr... */ | |
| 328 SDL_Lock_EventThread(); | |
| 329 X11_CheckDGAMouse(this); | |
| 330 SDL_Unlock_EventThread(); | |
| 331 | |
| 332 return(retval); | |
| 333 } | |
| 334 | |
| 335 /* Get attribute data from glX. */ | |
| 336 int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value) | |
| 337 { | |
| 338 int retval; | |
| 339 int glx_attrib = None; | |
| 340 | |
| 341 switch( attrib ) { | |
| 342 case SDL_GL_RED_SIZE: | |
| 343 glx_attrib = GLX_RED_SIZE; | |
| 344 break; | |
| 345 case SDL_GL_GREEN_SIZE: | |
| 346 glx_attrib = GLX_GREEN_SIZE; | |
| 347 break; | |
| 348 case SDL_GL_BLUE_SIZE: | |
| 349 glx_attrib = GLX_BLUE_SIZE; | |
| 350 break; | |
| 351 case SDL_GL_ALPHA_SIZE: | |
| 352 glx_attrib = GLX_ALPHA_SIZE; | |
| 353 break; | |
| 354 case SDL_GL_DOUBLEBUFFER: | |
| 355 glx_attrib = GLX_DOUBLEBUFFER; | |
| 356 break; | |
| 357 case SDL_GL_BUFFER_SIZE: | |
| 358 glx_attrib = GLX_BUFFER_SIZE; | |
| 359 break; | |
| 360 case SDL_GL_DEPTH_SIZE: | |
| 361 glx_attrib = GLX_DEPTH_SIZE; | |
| 362 break; | |
| 363 case SDL_GL_STENCIL_SIZE: | |
| 364 glx_attrib = GLX_STENCIL_SIZE; | |
| 365 break; | |
| 366 case SDL_GL_ACCUM_RED_SIZE: | |
| 367 glx_attrib = GLX_ACCUM_RED_SIZE; | |
| 368 break; | |
| 369 case SDL_GL_ACCUM_GREEN_SIZE: | |
| 370 glx_attrib = GLX_ACCUM_GREEN_SIZE; | |
| 371 break; | |
| 372 case SDL_GL_ACCUM_BLUE_SIZE: | |
| 373 glx_attrib = GLX_ACCUM_BLUE_SIZE; | |
| 374 break; | |
| 375 case SDL_GL_ACCUM_ALPHA_SIZE: | |
| 376 glx_attrib = GLX_ACCUM_ALPHA_SIZE; | |
| 377 break; | |
|
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Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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378 case SDL_GL_STEREO: |
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Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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379 glx_attrib = GLX_STEREO; |
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Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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380 break; |
|
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
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381 case SDL_GL_MULTISAMPLEBUFFERS: |
|
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
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382 glx_attrib = GLX_SAMPLE_BUFFERS_ARB; |
|
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Date: Thu, 24 Apr 2003 15:13:47 -0400
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|
383 break; |
|
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
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diff
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384 case SDL_GL_MULTISAMPLESAMPLES: |
|
655
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385 glx_attrib = GLX_SAMPLES_ARB; |
|
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diff
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|
386 break; |
| 1656 | 387 case SDL_GL_ACCELERATED_VISUAL: |
| 388 if ( glXExtensionSupported(this, "GLX_EXT_visual_rating") ) { | |
| 389 glx_attrib = GLX_VISUAL_CAVEAT_EXT; | |
| 390 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value); | |
| 391 if ( *value == GLX_SLOW_VISUAL_EXT ) { | |
| 392 *value = SDL_FALSE; | |
| 393 } else { | |
| 394 *value = SDL_TRUE; | |
| 395 } | |
| 396 return retval; | |
| 397 } else { | |
| 398 return(-1); | |
| 399 } | |
| 400 break; | |
| 401 case SDL_GL_SWAP_CONTROL: | |
| 402 if ( this->gl_data->glXGetSwapIntervalMESA ) { | |
| 403 return this->gl_data->glXGetSwapIntervalMESA(); | |
| 404 } else { | |
| 405 return(-1)/*(this->gl_config.swap_control > 0)*/; | |
| 406 } | |
| 407 break; | |
| 0 | 408 default: |
| 409 return(-1); | |
| 410 } | |
| 411 | |
| 412 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value); | |
| 413 | |
| 414 return retval; | |
| 415 } | |
| 416 | |
| 417 void X11_GL_SwapBuffers(_THIS) | |
| 418 { | |
| 419 this->gl_data->glXSwapBuffers(GFX_Display, SDL_Window); | |
| 420 } | |
| 421 | |
|
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422 #endif /* SDL_VIDEO_OPENGL_GLX */ |
| 0 | 423 |
| 424 void X11_GL_UnloadLibrary(_THIS) | |
| 425 { | |
|
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426 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 427 if ( this->gl_config.driver_loaded ) { |
|
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428 |
|
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429 SDL_UnloadObject(this->gl_config.dll_handle); |
| 0 | 430 |
| 431 this->gl_data->glXGetProcAddress = NULL; | |
| 432 this->gl_data->glXChooseVisual = NULL; | |
| 433 this->gl_data->glXCreateContext = NULL; | |
| 434 this->gl_data->glXDestroyContext = NULL; | |
| 435 this->gl_data->glXMakeCurrent = NULL; | |
| 436 this->gl_data->glXSwapBuffers = NULL; | |
| 1656 | 437 this->gl_data->glXSwapIntervalSGI = NULL; |
| 438 this->gl_data->glXSwapIntervalMESA = NULL; | |
| 439 this->gl_data->glXGetSwapIntervalMESA = NULL; | |
| 0 | 440 |
| 441 this->gl_config.dll_handle = NULL; | |
| 442 this->gl_config.driver_loaded = 0; | |
| 443 } | |
| 444 #endif | |
| 445 } | |
| 446 | |
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447 #if SDL_VIDEO_OPENGL_GLX |
|
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X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
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|
448 |
| 0 | 449 /* Passing a NULL path means load pointers from the application */ |
| 450 int X11_GL_LoadLibrary(_THIS, const char* path) | |
| 451 { | |
|
1191
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Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
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452 void* handle = NULL; |
| 0 | 453 |
|
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454 if ( gl_active ) { |
|
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455 SDL_SetError("OpenGL context already created"); |
|
e8e8dcb68e7a
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456 return -1; |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
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457 } |
|
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|
458 |
|
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459 if ( path == NULL ) { |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
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parents:
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diff
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460 path = SDL_getenv("SDL_VIDEO_GL_DRIVER"); |
| 0 | 461 if ( path == NULL ) { |
| 462 path = DEFAULT_OPENGL; | |
| 463 } | |
|
1191
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Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
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diff
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|
464 } |
|
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
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|
465 |
|
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466 handle = SDL_LoadObject(path); |
|
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467 if ( handle == NULL ) { |
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468 /* SDL_LoadObject() will call SDL_SetError() for us. */ |
|
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469 return -1; |
| 0 | 470 } |
| 471 | |
| 472 /* Unload the old driver and reset the pointers */ | |
| 473 X11_GL_UnloadLibrary(this); | |
| 474 | |
| 475 /* Load new function pointers */ | |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
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diff
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|
476 this->gl_data->glXGetProcAddress = |
|
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|
477 (void *(*)(const GLubyte *)) SDL_LoadFunction(handle, "glXGetProcAddressARB"); |
|
180
578815880307
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|
478 this->gl_data->glXChooseVisual = |
|
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|
479 (XVisualInfo *(*)(Display *, int, int *)) SDL_LoadFunction(handle, "glXChooseVisual"); |
|
180
578815880307
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|
480 this->gl_data->glXCreateContext = |
|
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481 (GLXContext (*)(Display *, XVisualInfo *, GLXContext, int)) SDL_LoadFunction(handle, "glXCreateContext"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
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diff
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482 this->gl_data->glXDestroyContext = |
|
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changeset
|
483 (void (*)(Display *, GLXContext)) SDL_LoadFunction(handle, "glXDestroyContext"); |
|
180
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484 this->gl_data->glXMakeCurrent = |
|
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|
485 (int (*)(Display *, GLXDrawable, GLXContext)) SDL_LoadFunction(handle, "glXMakeCurrent"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
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|
486 this->gl_data->glXSwapBuffers = |
|
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|
487 (void (*)(Display *, GLXDrawable)) SDL_LoadFunction(handle, "glXSwapBuffers"); |
|
180
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488 this->gl_data->glXGetConfig = |
|
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changeset
|
489 (int (*)(Display *, XVisualInfo *, int, int *)) SDL_LoadFunction(handle, "glXGetConfig"); |
|
638
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
490 this->gl_data->glXQueryExtensionsString = |
|
1361
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diff
changeset
|
491 (const char *(*)(Display *, int)) SDL_LoadFunction(handle, "glXQueryExtensionsString"); |
| 1656 | 492 this->gl_data->glXSwapIntervalSGI = |
| 493 (int (*)(int)) SDL_LoadFunction(handle, "glXSwapIntervalSGI"); | |
| 494 this->gl_data->glXSwapIntervalMESA = | |
| 495 (GLint (*)(unsigned)) SDL_LoadFunction(handle, "glXSwapIntervalMESA"); | |
| 496 this->gl_data->glXGetSwapIntervalMESA = | |
| 497 (GLint (*)(void)) SDL_LoadFunction(handle, "glXGetSwapIntervalMESA"); | |
|
1315
e94b0d7c33bc
Merged useful fixes from 1.3 branch
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|
498 |
| 0 | 499 if ( (this->gl_data->glXChooseVisual == NULL) || |
| 500 (this->gl_data->glXCreateContext == NULL) || | |
| 501 (this->gl_data->glXDestroyContext == NULL) || | |
| 502 (this->gl_data->glXMakeCurrent == NULL) || | |
| 503 (this->gl_data->glXSwapBuffers == NULL) || | |
|
638
b0108e9dea53
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diff
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|
504 (this->gl_data->glXGetConfig == NULL) || |
|
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
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|
505 (this->gl_data->glXQueryExtensionsString == NULL)) { |
| 0 | 506 SDL_SetError("Could not retrieve OpenGL functions"); |
| 507 return -1; | |
| 508 } | |
| 509 | |
| 510 this->gl_config.dll_handle = handle; | |
| 511 this->gl_config.driver_loaded = 1; | |
| 512 if ( path ) { | |
|
1379
c0a74f199ecf
Use only safe string functions
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diff
changeset
|
513 SDL_strlcpy(this->gl_config.driver_path, path, |
|
c0a74f199ecf
Use only safe string functions
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diff
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|
514 SDL_arraysize(this->gl_config.driver_path)); |
| 0 | 515 } else { |
|
1379
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diff
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|
516 *this->gl_config.driver_path = '\0'; |
| 0 | 517 } |
| 518 return 0; | |
| 519 } | |
| 520 | |
| 521 void *X11_GL_GetProcAddress(_THIS, const char* proc) | |
| 522 { | |
| 523 void* handle; | |
| 524 | |
| 525 handle = this->gl_config.dll_handle; | |
| 526 if ( this->gl_data->glXGetProcAddress ) { | |
|
1196
b81f54c3963f
Fixed compile warnings with gcc 4
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changeset
|
527 return this->gl_data->glXGetProcAddress((const GLubyte *)proc); |
| 0 | 528 } |
|
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|
529 return SDL_LoadFunction(handle, proc); |
| 0 | 530 } |
| 531 | |
|
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|
532 #endif /* SDL_VIDEO_OPENGL_GLX */ |