Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11gl.c @ 1880:9d940db55a91
Fixed bug #260
Fixed SDL_GL_SWAP_CONTROL on Windows, and the query on Linux
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 24 Jun 2006 01:59:43 +0000 |
| parents | b42823412c3b |
| children | c121d94672cb 0e0883cb7137 |
| 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 |
| 1737 | 46 #ifndef GLX_EXT_visual_rating |
| 47 #define GLX_EXT_visual_rating | |
| 48 #define GLX_VISUAL_CAVEAT_EXT 0x20 | |
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49 #define GLX_NONE_EXT 0x8000 |
| 1737 | 50 #define GLX_SLOW_VISUAL_EXT 0x8001 |
| 51 #define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D | |
| 52 #endif | |
| 53 | |
| 54 #if SDL_VIDEO_OPENGL_GLX | |
| 55 static int glXExtensionSupported(_THIS, const char *extension) | |
| 56 { | |
| 57 const char *extensions; | |
| 58 const char *start; | |
| 59 const char *where, *terminator; | |
| 60 | |
| 61 /* Extension names should not have spaces. */ | |
| 62 where = SDL_strchr(extension, ' '); | |
| 63 if ( where || *extension == '\0' ) { | |
| 64 return 0; | |
| 65 } | |
| 66 | |
| 67 extensions = this->gl_data->glXQueryExtensionsString(GFX_Display,SDL_Screen); | |
| 68 /* It takes a bit of care to be fool-proof about parsing the | |
| 69 * OpenGL extensions string. Don't be fooled by sub-strings, etc. | |
| 70 */ | |
| 71 | |
| 72 start = extensions; | |
| 73 | |
| 74 for (;;) { | |
| 75 where = SDL_strstr(start, extension); | |
| 76 if (!where) break; | |
| 77 | |
| 78 terminator = where + strlen(extension); | |
| 79 if (where == start || *(where - 1) == ' ') | |
| 80 if (*terminator == ' ' || *terminator == '\0') return 1; | |
| 81 | |
| 82 start = terminator; | |
| 83 } | |
| 84 return 0; | |
| 85 } | |
| 86 #endif /* SDL_VIDEO_OPENGL_GLX */ | |
| 87 | |
| 0 | 88 XVisualInfo *X11_GL_GetVisual(_THIS) |
| 89 { | |
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90 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 91 /* 64 seems nice. */ |
| 92 int attribs[64]; | |
| 93 int i; | |
| 94 | |
| 95 /* load the gl driver from a default path */ | |
| 96 if ( ! this->gl_config.driver_loaded ) { | |
| 97 /* no driver has been loaded, use default (ourselves) */ | |
| 98 if ( X11_GL_LoadLibrary(this, NULL) < 0 ) { | |
| 99 return NULL; | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 /* See if we already have a window which we must use */ | |
| 104 if ( SDL_windowid ) { | |
| 105 XWindowAttributes a; | |
| 106 XVisualInfo vi_in; | |
| 107 int out_count; | |
| 108 | |
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109 XGetWindowAttributes(SDL_Display, SDL_Window, &a); |
| 0 | 110 vi_in.screen = SDL_Screen; |
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111 vi_in.visualid = XVisualIDFromVisual(a.visual); |
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112 glx_visualinfo = XGetVisualInfo(SDL_Display, |
| 0 | 113 VisualScreenMask|VisualIDMask, &vi_in, &out_count); |
| 114 return glx_visualinfo; | |
| 115 } | |
| 116 | |
| 117 /* Setup our GLX attributes according to the gl_config. */ | |
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118 i = 0; |
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119 attribs[i++] = GLX_RGBA; |
| 0 | 120 attribs[i++] = GLX_RED_SIZE; |
| 121 attribs[i++] = this->gl_config.red_size; | |
| 122 attribs[i++] = GLX_GREEN_SIZE; | |
| 123 attribs[i++] = this->gl_config.green_size; | |
| 124 attribs[i++] = GLX_BLUE_SIZE; | |
| 125 attribs[i++] = this->gl_config.blue_size; | |
| 126 | |
| 127 if( this->gl_config.alpha_size ) { | |
| 128 attribs[i++] = GLX_ALPHA_SIZE; | |
| 129 attribs[i++] = this->gl_config.alpha_size; | |
| 130 } | |
| 131 | |
| 132 if( this->gl_config.buffer_size ) { | |
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133 attribs[i++] = GLX_BUFFER_SIZE; |
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134 attribs[i++] = this->gl_config.buffer_size; |
| 0 | 135 } |
| 136 | |
| 137 if( this->gl_config.double_buffer ) { | |
| 138 attribs[i++] = GLX_DOUBLEBUFFER; | |
| 139 } | |
| 140 | |
| 141 attribs[i++] = GLX_DEPTH_SIZE; | |
| 142 attribs[i++] = this->gl_config.depth_size; | |
| 143 | |
| 144 if( this->gl_config.stencil_size ) { | |
| 145 attribs[i++] = GLX_STENCIL_SIZE; | |
| 146 attribs[i++] = this->gl_config.stencil_size; | |
| 147 } | |
| 148 | |
| 149 if( this->gl_config.accum_red_size ) { | |
|
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150 attribs[i++] = GLX_ACCUM_RED_SIZE; |
| 0 | 151 attribs[i++] = this->gl_config.accum_red_size; |
| 152 } | |
| 153 | |
| 154 if( this->gl_config.accum_green_size ) { | |
|
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155 attribs[i++] = GLX_ACCUM_GREEN_SIZE; |
| 0 | 156 attribs[i++] = this->gl_config.accum_green_size; |
| 157 } | |
| 158 | |
| 159 if( this->gl_config.accum_blue_size ) { | |
|
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160 attribs[i++] = GLX_ACCUM_BLUE_SIZE; |
| 0 | 161 attribs[i++] = this->gl_config.accum_blue_size; |
| 162 } | |
| 163 | |
| 164 if( this->gl_config.accum_alpha_size ) { | |
|
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165 attribs[i++] = GLX_ACCUM_ALPHA_SIZE; |
| 0 | 166 attribs[i++] = this->gl_config.accum_alpha_size; |
| 167 } | |
| 168 | |
|
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169 if( this->gl_config.stereo ) { |
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170 attribs[i++] = GLX_STEREO; |
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171 } |
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172 |
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173 if( this->gl_config.multisamplebuffers ) { |
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174 attribs[i++] = GLX_SAMPLE_BUFFERS_ARB; |
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175 attribs[i++] = this->gl_config.multisamplebuffers; |
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176 } |
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177 |
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178 if( this->gl_config.multisamplesamples ) { |
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179 attribs[i++] = GLX_SAMPLES_ARB; |
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180 attribs[i++] = this->gl_config.multisamplesamples; |
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181 } |
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182 |
| 1737 | 183 if( this->gl_config.accelerated >= 0 && |
| 184 glXExtensionSupported(this, "GLX_EXT_visual_rating") ) { | |
| 185 attribs[i++] = GLX_VISUAL_CAVEAT_EXT; | |
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186 attribs[i++] = GLX_NONE_EXT; |
| 1737 | 187 } |
| 188 | |
| 0 | 189 #ifdef GLX_DIRECT_COLOR /* Try for a DirectColor visual for gamma support */ |
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190 if ( !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { |
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191 attribs[i++] = GLX_X_VISUAL_TYPE; |
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192 attribs[i++] = GLX_DIRECT_COLOR; |
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193 } |
| 0 | 194 #endif |
| 195 attribs[i++] = None; | |
| 196 | |
| 197 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display, | |
| 198 SDL_Screen, attribs); | |
| 199 #ifdef GLX_DIRECT_COLOR | |
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200 if( !glx_visualinfo && !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { /* No DirectColor visual? Try again.. */ |
| 0 | 201 attribs[i-3] = None; |
| 202 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display, | |
| 203 SDL_Screen, attribs); | |
| 204 } | |
| 205 #endif | |
| 206 if( !glx_visualinfo ) { | |
| 207 SDL_SetError( "Couldn't find matching GLX visual"); | |
| 208 return NULL; | |
| 209 } | |
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210 /* |
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211 printf("Found GLX visual 0x%x\n", glx_visualinfo->visualid); |
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212 */ |
| 0 | 213 return glx_visualinfo; |
| 214 #else | |
| 215 SDL_SetError("X11 driver not configured with OpenGL"); | |
| 216 return NULL; | |
| 217 #endif | |
| 218 } | |
| 219 | |
| 220 int X11_GL_CreateWindow(_THIS, int w, int h) | |
| 221 { | |
| 222 int retval; | |
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223 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 224 XSetWindowAttributes attributes; |
| 225 unsigned long mask; | |
| 226 unsigned long black; | |
| 227 | |
| 228 black = (glx_visualinfo->visual == DefaultVisual(SDL_Display, | |
| 229 SDL_Screen)) | |
| 230 ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 231 attributes.background_pixel = black; | |
| 232 attributes.border_pixel = black; | |
| 233 attributes.colormap = SDL_XColorMap; | |
| 234 mask = CWBackPixel | CWBorderPixel | CWColormap; | |
| 235 | |
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236 SDL_Window = XCreateWindow(SDL_Display, WMwindow, |
| 0 | 237 0, 0, w, h, 0, glx_visualinfo->depth, |
| 238 InputOutput, glx_visualinfo->visual, | |
| 239 mask, &attributes); | |
| 240 if ( !SDL_Window ) { | |
| 241 SDL_SetError("Could not create window"); | |
| 242 return -1; | |
| 243 } | |
| 244 retval = 0; | |
| 245 #else | |
| 246 SDL_SetError("X11 driver not configured with OpenGL"); | |
| 247 retval = -1; | |
| 248 #endif | |
| 249 return(retval); | |
| 250 } | |
| 251 | |
| 252 int X11_GL_CreateContext(_THIS) | |
| 253 { | |
| 254 int retval; | |
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255 #if SDL_VIDEO_OPENGL_GLX |
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256 |
| 0 | 257 /* We do this to create a clean separation between X and GLX errors. */ |
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258 XSync( SDL_Display, False ); |
| 0 | 259 glx_context = this->gl_data->glXCreateContext(GFX_Display, |
| 260 glx_visualinfo, NULL, True); | |
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261 XSync( GFX_Display, False ); |
| 0 | 262 |
|
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263 if ( glx_context == NULL ) { |
| 0 | 264 SDL_SetError("Could not create GL context"); |
|
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265 return(-1); |
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266 } |
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267 if ( X11_GL_MakeCurrent(this) < 0 ) { |
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268 return(-1); |
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269 } |
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270 gl_active = 1; |
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271 |
| 1737 | 272 if ( !glXExtensionSupported(this, "SGI_swap_control") ) { |
|
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273 this->gl_data->glXSwapIntervalSGI = NULL; |
| 0 | 274 } |
| 1737 | 275 if ( !glXExtensionSupported(this, "GLX_MESA_swap_control") ) { |
|
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276 this->gl_data->glXSwapIntervalMESA = NULL; |
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277 this->gl_data->glXGetSwapIntervalMESA = NULL; |
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278 } |
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279 if ( this->gl_config.swap_control >= 0 ) { |
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280 if ( this->gl_data->glXSwapIntervalMESA ) { |
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281 this->gl_data->glXSwapIntervalMESA(this->gl_config.swap_control); |
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282 } else if ( this->gl_data->glXSwapIntervalSGI ) { |
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283 this->gl_data->glXSwapIntervalSGI(this->gl_config.swap_control); |
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284 } |
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285 } |
| 0 | 286 #else |
| 287 SDL_SetError("X11 driver not configured with OpenGL"); | |
| 288 #endif | |
| 289 if ( gl_active ) { | |
| 290 retval = 0; | |
| 291 } else { | |
| 292 retval = -1; | |
| 293 } | |
| 294 return(retval); | |
| 295 } | |
| 296 | |
| 297 void X11_GL_Shutdown(_THIS) | |
| 298 { | |
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299 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 300 /* Clean up OpenGL */ |
| 301 if( glx_context ) { | |
| 302 this->gl_data->glXMakeCurrent(GFX_Display, None, NULL); | |
| 303 | |
| 304 if (glx_context != NULL) | |
| 305 this->gl_data->glXDestroyContext(GFX_Display, glx_context); | |
| 306 | |
| 307 glx_context = NULL; | |
| 308 } | |
| 309 gl_active = 0; | |
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310 #endif /* SDL_VIDEO_OPENGL_GLX */ |
| 0 | 311 } |
| 312 | |
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313 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 314 |
| 315 /* Make the current context active */ | |
| 316 int X11_GL_MakeCurrent(_THIS) | |
| 317 { | |
| 318 int retval; | |
|
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319 |
| 0 | 320 retval = 0; |
| 321 if ( ! this->gl_data->glXMakeCurrent(GFX_Display, | |
| 322 SDL_Window, glx_context) ) { | |
| 323 SDL_SetError("Unable to make GL context current"); | |
| 324 retval = -1; | |
| 325 } | |
|
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parents:
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326 XSync( GFX_Display, False ); |
| 0 | 327 |
| 328 /* More Voodoo X server workarounds... Grr... */ | |
| 329 SDL_Lock_EventThread(); | |
| 330 X11_CheckDGAMouse(this); | |
| 331 SDL_Unlock_EventThread(); | |
| 332 | |
| 333 return(retval); | |
| 334 } | |
| 335 | |
| 336 /* Get attribute data from glX. */ | |
| 337 int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value) | |
| 338 { | |
| 339 int retval; | |
| 340 int glx_attrib = None; | |
| 341 | |
| 342 switch( attrib ) { | |
| 343 case SDL_GL_RED_SIZE: | |
| 344 glx_attrib = GLX_RED_SIZE; | |
| 345 break; | |
| 346 case SDL_GL_GREEN_SIZE: | |
| 347 glx_attrib = GLX_GREEN_SIZE; | |
| 348 break; | |
| 349 case SDL_GL_BLUE_SIZE: | |
| 350 glx_attrib = GLX_BLUE_SIZE; | |
| 351 break; | |
| 352 case SDL_GL_ALPHA_SIZE: | |
| 353 glx_attrib = GLX_ALPHA_SIZE; | |
| 354 break; | |
| 355 case SDL_GL_DOUBLEBUFFER: | |
| 356 glx_attrib = GLX_DOUBLEBUFFER; | |
| 357 break; | |
| 358 case SDL_GL_BUFFER_SIZE: | |
| 359 glx_attrib = GLX_BUFFER_SIZE; | |
| 360 break; | |
| 361 case SDL_GL_DEPTH_SIZE: | |
| 362 glx_attrib = GLX_DEPTH_SIZE; | |
| 363 break; | |
| 364 case SDL_GL_STENCIL_SIZE: | |
| 365 glx_attrib = GLX_STENCIL_SIZE; | |
| 366 break; | |
| 367 case SDL_GL_ACCUM_RED_SIZE: | |
| 368 glx_attrib = GLX_ACCUM_RED_SIZE; | |
| 369 break; | |
| 370 case SDL_GL_ACCUM_GREEN_SIZE: | |
| 371 glx_attrib = GLX_ACCUM_GREEN_SIZE; | |
| 372 break; | |
| 373 case SDL_GL_ACCUM_BLUE_SIZE: | |
| 374 glx_attrib = GLX_ACCUM_BLUE_SIZE; | |
| 375 break; | |
| 376 case SDL_GL_ACCUM_ALPHA_SIZE: | |
| 377 glx_attrib = GLX_ACCUM_ALPHA_SIZE; | |
| 378 break; | |
|
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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379 case SDL_GL_STEREO: |
|
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Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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380 glx_attrib = GLX_STEREO; |
|
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Added SDL_GL_STEREO for stereoscopic OpenGL contexts
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381 break; |
|
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
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382 case SDL_GL_MULTISAMPLEBUFFERS: |
|
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
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383 glx_attrib = GLX_SAMPLE_BUFFERS_ARB; |
|
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384 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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|
385 case SDL_GL_MULTISAMPLESAMPLES: |
|
655
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386 glx_attrib = GLX_SAMPLES_ARB; |
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387 break; |
| 1737 | 388 case SDL_GL_ACCELERATED_VISUAL: |
| 389 if ( glXExtensionSupported(this, "GLX_EXT_visual_rating") ) { | |
| 390 glx_attrib = GLX_VISUAL_CAVEAT_EXT; | |
| 391 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value); | |
| 392 if ( *value == GLX_SLOW_VISUAL_EXT ) { | |
| 393 *value = SDL_FALSE; | |
| 394 } else { | |
| 395 *value = SDL_TRUE; | |
| 396 } | |
| 397 return retval; | |
| 398 } else { | |
| 399 return(-1); | |
| 400 } | |
| 401 break; | |
|
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402 case SDL_GL_SWAP_CONTROL: |
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403 if ( this->gl_data->glXGetSwapIntervalMESA ) { |
| 1880 | 404 *value = this->gl_data->glXGetSwapIntervalMESA(); |
| 405 return(0); | |
|
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406 } else { |
| 1880 | 407 return(-1); |
|
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408 } |
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409 break; |
| 0 | 410 default: |
| 411 return(-1); | |
| 412 } | |
| 413 | |
| 414 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value); | |
| 415 | |
| 416 return retval; | |
| 417 } | |
| 418 | |
| 419 void X11_GL_SwapBuffers(_THIS) | |
| 420 { | |
| 421 this->gl_data->glXSwapBuffers(GFX_Display, SDL_Window); | |
| 422 } | |
| 423 | |
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424 #endif /* SDL_VIDEO_OPENGL_GLX */ |
| 0 | 425 |
| 1861 | 426 #define OPENGL_REQUIRS_DLOPEN |
| 427 #if defined(OPENGL_REQUIRS_DLOPEN) && defined(SDL_LOADSO_DLOPEN) | |
| 428 #include <dlfcn.h> | |
| 429 #define GL_LoadObject(X) dlopen(X, (RTLD_NOW|RTLD_GLOBAL)) | |
| 430 #define GL_LoadFunction dlsym | |
| 431 #define GL_UnloadObject dlclose | |
| 432 #else | |
| 433 #define GL_LoadObject SDL_LoadObject | |
| 434 #define GL_LoadFunction SDL_LoadFunction | |
| 435 #define GL_UnloadObject SDL_UnloadObject | |
| 436 #endif | |
| 437 | |
| 0 | 438 void X11_GL_UnloadLibrary(_THIS) |
| 439 { | |
|
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440 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 441 if ( this->gl_config.driver_loaded ) { |
|
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Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
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442 |
| 1861 | 443 GL_UnloadObject(this->gl_config.dll_handle); |
| 0 | 444 |
| 445 this->gl_data->glXGetProcAddress = NULL; | |
| 446 this->gl_data->glXChooseVisual = NULL; | |
| 447 this->gl_data->glXCreateContext = NULL; | |
| 448 this->gl_data->glXDestroyContext = NULL; | |
| 449 this->gl_data->glXMakeCurrent = NULL; | |
| 450 this->gl_data->glXSwapBuffers = NULL; | |
|
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|
451 this->gl_data->glXSwapIntervalSGI = NULL; |
|
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|
452 this->gl_data->glXSwapIntervalMESA = NULL; |
|
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|
453 this->gl_data->glXGetSwapIntervalMESA = NULL; |
| 0 | 454 |
| 455 this->gl_config.dll_handle = NULL; | |
| 456 this->gl_config.driver_loaded = 0; | |
| 457 } | |
| 458 #endif | |
| 459 } | |
| 460 | |
|
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New configure-based build system. Still work in progress, but much improved
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461 #if SDL_VIDEO_OPENGL_GLX |
|
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462 |
| 0 | 463 /* Passing a NULL path means load pointers from the application */ |
| 464 int X11_GL_LoadLibrary(_THIS, const char* path) | |
| 465 { | |
|
1191
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
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|
466 void* handle = NULL; |
| 0 | 467 |
|
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468 if ( gl_active ) { |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
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diff
changeset
|
469 SDL_SetError("OpenGL context already created"); |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
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470 return -1; |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
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|
471 } |
|
e8e8dcb68e7a
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|
472 |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
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|
473 if ( path == NULL ) { |
|
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3692456e7b0f
Use SDL_ prefixed versions of C library functions.
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|
474 path = SDL_getenv("SDL_VIDEO_GL_DRIVER"); |
| 0 | 475 if ( path == NULL ) { |
| 476 path = DEFAULT_OPENGL; | |
| 477 } | |
|
1191
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
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|
478 } |
|
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
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|
479 |
| 1861 | 480 handle = GL_LoadObject(path); |
|
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|
481 if ( handle == NULL ) { |
|
19418e4422cb
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|
482 /* SDL_LoadObject() will call SDL_SetError() for us. */ |
|
19418e4422cb
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|
483 return -1; |
| 0 | 484 } |
| 485 | |
| 486 /* Unload the old driver and reset the pointers */ | |
| 487 X11_GL_UnloadLibrary(this); | |
| 488 | |
| 489 /* Load new function pointers */ | |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
490 this->gl_data->glXGetProcAddress = |
| 1861 | 491 (void *(*)(const GLubyte *)) GL_LoadFunction(handle, "glXGetProcAddressARB"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
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diff
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|
492 this->gl_data->glXChooseVisual = |
| 1861 | 493 (XVisualInfo *(*)(Display *, int, int *)) GL_LoadFunction(handle, "glXChooseVisual"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
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diff
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|
494 this->gl_data->glXCreateContext = |
| 1861 | 495 (GLXContext (*)(Display *, XVisualInfo *, GLXContext, int)) GL_LoadFunction(handle, "glXCreateContext"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
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diff
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|
496 this->gl_data->glXDestroyContext = |
| 1861 | 497 (void (*)(Display *, GLXContext)) GL_LoadFunction(handle, "glXDestroyContext"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
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diff
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|
498 this->gl_data->glXMakeCurrent = |
| 1861 | 499 (int (*)(Display *, GLXDrawable, GLXContext)) GL_LoadFunction(handle, "glXMakeCurrent"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
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diff
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|
500 this->gl_data->glXSwapBuffers = |
| 1861 | 501 (void (*)(Display *, GLXDrawable)) GL_LoadFunction(handle, "glXSwapBuffers"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
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diff
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|
502 this->gl_data->glXGetConfig = |
| 1861 | 503 (int (*)(Display *, XVisualInfo *, int, int *)) GL_LoadFunction(handle, "glXGetConfig"); |
|
638
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
566
diff
changeset
|
504 this->gl_data->glXQueryExtensionsString = |
| 1861 | 505 (const char *(*)(Display *, int)) GL_LoadFunction(handle, "glXQueryExtensionsString"); |
|
1736
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Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
506 this->gl_data->glXSwapIntervalSGI = |
| 1861 | 507 (int (*)(int)) GL_LoadFunction(handle, "glXSwapIntervalSGI"); |
|
1736
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Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
508 this->gl_data->glXSwapIntervalMESA = |
| 1861 | 509 (GLint (*)(unsigned)) GL_LoadFunction(handle, "glXSwapIntervalMESA"); |
|
1736
3b2a92126f4d
Implemented bug #2, 117:
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
510 this->gl_data->glXGetSwapIntervalMESA = |
| 1861 | 511 (GLint (*)(void)) GL_LoadFunction(handle, "glXGetSwapIntervalMESA"); |
|
1315
e94b0d7c33bc
Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
512 |
| 0 | 513 if ( (this->gl_data->glXChooseVisual == NULL) || |
| 514 (this->gl_data->glXCreateContext == NULL) || | |
| 515 (this->gl_data->glXDestroyContext == NULL) || | |
| 516 (this->gl_data->glXMakeCurrent == NULL) || | |
| 517 (this->gl_data->glXSwapBuffers == NULL) || | |
|
638
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
566
diff
changeset
|
518 (this->gl_data->glXGetConfig == NULL) || |
|
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
566
diff
changeset
|
519 (this->gl_data->glXQueryExtensionsString == NULL)) { |
| 0 | 520 SDL_SetError("Could not retrieve OpenGL functions"); |
| 521 return -1; | |
| 522 } | |
| 523 | |
| 524 this->gl_config.dll_handle = handle; | |
| 525 this->gl_config.driver_loaded = 1; | |
| 526 if ( path ) { | |
|
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
527 SDL_strlcpy(this->gl_config.driver_path, path, |
|
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
528 SDL_arraysize(this->gl_config.driver_path)); |
| 0 | 529 } else { |
|
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
530 *this->gl_config.driver_path = '\0'; |
| 0 | 531 } |
| 532 return 0; | |
| 533 } | |
| 534 | |
| 535 void *X11_GL_GetProcAddress(_THIS, const char* proc) | |
| 536 { | |
| 537 void* handle; | |
| 538 | |
| 539 handle = this->gl_config.dll_handle; | |
| 540 if ( this->gl_data->glXGetProcAddress ) { | |
|
1196
b81f54c3963f
Fixed compile warnings with gcc 4
Sam Lantinga <slouken@libsdl.org>
parents:
1191
diff
changeset
|
541 return this->gl_data->glXGetProcAddress((const GLubyte *)proc); |
| 0 | 542 } |
| 1861 | 543 return GL_LoadFunction(handle, proc); |
| 0 | 544 } |
| 545 | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
546 #endif /* SDL_VIDEO_OPENGL_GLX */ |