Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11gl.c @ 1642:f1211a4b7380
Fixed bug #189
Clip the overlay destination rectangle to the screen area on X11
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 17 Apr 2006 05:38:33 +0000 |
| parents | d75c2d78e87d |
| children | 96c2f89cc7e1 3b2a92126f4d |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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Updated copyright information and removed rcs id lines (problematic in branch merges)
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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 |
| 0 | 46 XVisualInfo *X11_GL_GetVisual(_THIS) |
| 47 { | |
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48 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 49 /* 64 seems nice. */ |
| 50 int attribs[64]; | |
| 51 int i; | |
| 52 | |
| 53 /* load the gl driver from a default path */ | |
| 54 if ( ! this->gl_config.driver_loaded ) { | |
| 55 /* no driver has been loaded, use default (ourselves) */ | |
| 56 if ( X11_GL_LoadLibrary(this, NULL) < 0 ) { | |
| 57 return NULL; | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 /* See if we already have a window which we must use */ | |
| 62 if ( SDL_windowid ) { | |
| 63 XWindowAttributes a; | |
| 64 XVisualInfo vi_in; | |
| 65 int out_count; | |
| 66 | |
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Updated dynamic X11 code. See details in Bugzilla #170.
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67 XGetWindowAttributes(SDL_Display, SDL_Window, &a); |
| 0 | 68 vi_in.screen = SDL_Screen; |
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69 vi_in.visualid = XVisualIDFromVisual(a.visual); |
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70 glx_visualinfo = XGetVisualInfo(SDL_Display, |
| 0 | 71 VisualScreenMask|VisualIDMask, &vi_in, &out_count); |
| 72 return glx_visualinfo; | |
| 73 } | |
| 74 | |
| 75 /* Setup our GLX attributes according to the gl_config. */ | |
|
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76 i = 0; |
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77 attribs[i++] = GLX_RGBA; |
| 0 | 78 attribs[i++] = GLX_RED_SIZE; |
| 79 attribs[i++] = this->gl_config.red_size; | |
| 80 attribs[i++] = GLX_GREEN_SIZE; | |
| 81 attribs[i++] = this->gl_config.green_size; | |
| 82 attribs[i++] = GLX_BLUE_SIZE; | |
| 83 attribs[i++] = this->gl_config.blue_size; | |
| 84 | |
| 85 if( this->gl_config.alpha_size ) { | |
| 86 attribs[i++] = GLX_ALPHA_SIZE; | |
| 87 attribs[i++] = this->gl_config.alpha_size; | |
| 88 } | |
| 89 | |
| 90 if( this->gl_config.buffer_size ) { | |
|
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91 attribs[i++] = GLX_BUFFER_SIZE; |
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92 attribs[i++] = this->gl_config.buffer_size; |
| 0 | 93 } |
| 94 | |
| 95 if( this->gl_config.double_buffer ) { | |
| 96 attribs[i++] = GLX_DOUBLEBUFFER; | |
| 97 } | |
| 98 | |
| 99 attribs[i++] = GLX_DEPTH_SIZE; | |
| 100 attribs[i++] = this->gl_config.depth_size; | |
| 101 | |
| 102 if( this->gl_config.stencil_size ) { | |
| 103 attribs[i++] = GLX_STENCIL_SIZE; | |
| 104 attribs[i++] = this->gl_config.stencil_size; | |
| 105 } | |
| 106 | |
| 107 if( this->gl_config.accum_red_size ) { | |
|
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108 attribs[i++] = GLX_ACCUM_RED_SIZE; |
| 0 | 109 attribs[i++] = this->gl_config.accum_red_size; |
| 110 } | |
| 111 | |
| 112 if( this->gl_config.accum_green_size ) { | |
|
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113 attribs[i++] = GLX_ACCUM_GREEN_SIZE; |
| 0 | 114 attribs[i++] = this->gl_config.accum_green_size; |
| 115 } | |
| 116 | |
| 117 if( this->gl_config.accum_blue_size ) { | |
|
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118 attribs[i++] = GLX_ACCUM_BLUE_SIZE; |
| 0 | 119 attribs[i++] = this->gl_config.accum_blue_size; |
| 120 } | |
| 121 | |
| 122 if( this->gl_config.accum_alpha_size ) { | |
|
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123 attribs[i++] = GLX_ACCUM_ALPHA_SIZE; |
| 0 | 124 attribs[i++] = this->gl_config.accum_alpha_size; |
| 125 } | |
| 126 | |
|
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127 if( this->gl_config.stereo ) { |
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128 attribs[i++] = GLX_STEREO; |
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129 } |
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130 |
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131 if( this->gl_config.multisamplebuffers ) { |
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132 attribs[i++] = GLX_SAMPLE_BUFFERS_ARB; |
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133 attribs[i++] = this->gl_config.multisamplebuffers; |
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134 } |
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135 |
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136 if( this->gl_config.multisamplesamples ) { |
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137 attribs[i++] = GLX_SAMPLES_ARB; |
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138 attribs[i++] = this->gl_config.multisamplesamples; |
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139 } |
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140 |
| 0 | 141 #ifdef GLX_DIRECT_COLOR /* Try for a DirectColor visual for gamma support */ |
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142 if ( !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { |
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143 attribs[i++] = GLX_X_VISUAL_TYPE; |
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144 attribs[i++] = GLX_DIRECT_COLOR; |
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145 } |
| 0 | 146 #endif |
| 147 attribs[i++] = None; | |
| 148 | |
| 149 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display, | |
| 150 SDL_Screen, attribs); | |
| 151 #ifdef GLX_DIRECT_COLOR | |
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152 if( !glx_visualinfo && !SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) { /* No DirectColor visual? Try again.. */ |
| 0 | 153 attribs[i-3] = None; |
| 154 glx_visualinfo = this->gl_data->glXChooseVisual(GFX_Display, | |
| 155 SDL_Screen, attribs); | |
| 156 } | |
| 157 #endif | |
| 158 if( !glx_visualinfo ) { | |
| 159 SDL_SetError( "Couldn't find matching GLX visual"); | |
| 160 return NULL; | |
| 161 } | |
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162 /* |
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163 printf("Found GLX visual 0x%x\n", glx_visualinfo->visualid); |
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164 */ |
| 0 | 165 return glx_visualinfo; |
| 166 #else | |
| 167 SDL_SetError("X11 driver not configured with OpenGL"); | |
| 168 return NULL; | |
| 169 #endif | |
| 170 } | |
| 171 | |
| 172 int X11_GL_CreateWindow(_THIS, int w, int h) | |
| 173 { | |
| 174 int retval; | |
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175 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 176 XSetWindowAttributes attributes; |
| 177 unsigned long mask; | |
| 178 unsigned long black; | |
| 179 | |
| 180 black = (glx_visualinfo->visual == DefaultVisual(SDL_Display, | |
| 181 SDL_Screen)) | |
| 182 ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 183 attributes.background_pixel = black; | |
| 184 attributes.border_pixel = black; | |
| 185 attributes.colormap = SDL_XColorMap; | |
| 186 mask = CWBackPixel | CWBorderPixel | CWColormap; | |
| 187 | |
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188 SDL_Window = XCreateWindow(SDL_Display, WMwindow, |
| 0 | 189 0, 0, w, h, 0, glx_visualinfo->depth, |
| 190 InputOutput, glx_visualinfo->visual, | |
| 191 mask, &attributes); | |
| 192 if ( !SDL_Window ) { | |
| 193 SDL_SetError("Could not create window"); | |
| 194 return -1; | |
| 195 } | |
| 196 retval = 0; | |
| 197 #else | |
| 198 SDL_SetError("X11 driver not configured with OpenGL"); | |
| 199 retval = -1; | |
| 200 #endif | |
| 201 return(retval); | |
| 202 } | |
| 203 | |
| 204 int X11_GL_CreateContext(_THIS) | |
| 205 { | |
| 206 int retval; | |
|
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207 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 208 /* We do this to create a clean separation between X and GLX errors. */ |
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209 XSync( SDL_Display, False ); |
| 0 | 210 glx_context = this->gl_data->glXCreateContext(GFX_Display, |
| 211 glx_visualinfo, NULL, True); | |
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212 XSync( GFX_Display, False ); |
| 0 | 213 |
| 214 if (glx_context == NULL) { | |
| 215 SDL_SetError("Could not create GL context"); | |
| 216 return -1; | |
| 217 } | |
| 218 | |
| 219 gl_active = 1; | |
| 220 #else | |
| 221 SDL_SetError("X11 driver not configured with OpenGL"); | |
| 222 #endif | |
| 223 if ( gl_active ) { | |
| 224 retval = 0; | |
| 225 } else { | |
| 226 retval = -1; | |
| 227 } | |
| 228 return(retval); | |
| 229 } | |
| 230 | |
| 231 void X11_GL_Shutdown(_THIS) | |
| 232 { | |
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233 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 234 /* Clean up OpenGL */ |
| 235 if( glx_context ) { | |
| 236 this->gl_data->glXMakeCurrent(GFX_Display, None, NULL); | |
| 237 | |
| 238 if (glx_context != NULL) | |
| 239 this->gl_data->glXDestroyContext(GFX_Display, glx_context); | |
| 240 | |
| 241 glx_context = NULL; | |
| 242 } | |
| 243 gl_active = 0; | |
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244 #endif /* SDL_VIDEO_OPENGL_GLX */ |
| 0 | 245 } |
| 246 | |
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247 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 248 |
| 249 /* Make the current context active */ | |
| 250 int X11_GL_MakeCurrent(_THIS) | |
| 251 { | |
| 252 int retval; | |
|
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253 |
| 0 | 254 retval = 0; |
| 255 if ( ! this->gl_data->glXMakeCurrent(GFX_Display, | |
| 256 SDL_Window, glx_context) ) { | |
| 257 SDL_SetError("Unable to make GL context current"); | |
| 258 retval = -1; | |
| 259 } | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1402
diff
changeset
|
260 XSync( GFX_Display, False ); |
| 0 | 261 |
| 262 /* More Voodoo X server workarounds... Grr... */ | |
| 263 SDL_Lock_EventThread(); | |
| 264 X11_CheckDGAMouse(this); | |
| 265 SDL_Unlock_EventThread(); | |
| 266 | |
| 267 return(retval); | |
| 268 } | |
| 269 | |
| 270 /* Get attribute data from glX. */ | |
| 271 int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value) | |
| 272 { | |
| 273 int retval; | |
| 274 int glx_attrib = None; | |
| 275 | |
| 276 switch( attrib ) { | |
| 277 case SDL_GL_RED_SIZE: | |
| 278 glx_attrib = GLX_RED_SIZE; | |
| 279 break; | |
| 280 case SDL_GL_GREEN_SIZE: | |
| 281 glx_attrib = GLX_GREEN_SIZE; | |
| 282 break; | |
| 283 case SDL_GL_BLUE_SIZE: | |
| 284 glx_attrib = GLX_BLUE_SIZE; | |
| 285 break; | |
| 286 case SDL_GL_ALPHA_SIZE: | |
| 287 glx_attrib = GLX_ALPHA_SIZE; | |
| 288 break; | |
| 289 case SDL_GL_DOUBLEBUFFER: | |
| 290 glx_attrib = GLX_DOUBLEBUFFER; | |
| 291 break; | |
| 292 case SDL_GL_BUFFER_SIZE: | |
| 293 glx_attrib = GLX_BUFFER_SIZE; | |
| 294 break; | |
| 295 case SDL_GL_DEPTH_SIZE: | |
| 296 glx_attrib = GLX_DEPTH_SIZE; | |
| 297 break; | |
| 298 case SDL_GL_STENCIL_SIZE: | |
| 299 glx_attrib = GLX_STENCIL_SIZE; | |
| 300 break; | |
| 301 case SDL_GL_ACCUM_RED_SIZE: | |
| 302 glx_attrib = GLX_ACCUM_RED_SIZE; | |
| 303 break; | |
| 304 case SDL_GL_ACCUM_GREEN_SIZE: | |
| 305 glx_attrib = GLX_ACCUM_GREEN_SIZE; | |
| 306 break; | |
| 307 case SDL_GL_ACCUM_BLUE_SIZE: | |
| 308 glx_attrib = GLX_ACCUM_BLUE_SIZE; | |
| 309 break; | |
| 310 case SDL_GL_ACCUM_ALPHA_SIZE: | |
| 311 glx_attrib = GLX_ACCUM_ALPHA_SIZE; | |
| 312 break; | |
|
450
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
313 case SDL_GL_STEREO: |
|
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
314 glx_attrib = GLX_STEREO; |
|
8a43e0cbf02f
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
315 break; |
|
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
316 case SDL_GL_MULTISAMPLEBUFFERS: |
|
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
317 glx_attrib = GLX_SAMPLE_BUFFERS_ARB; |
|
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
318 break; |
|
656
864e2d2a9a55
Merged in Ryan's multisample code for MacOS, and changed the constants to match.
Sam Lantinga <slouken@libsdl.org>
parents:
655
diff
changeset
|
319 case SDL_GL_MULTISAMPLESAMPLES: |
|
655
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
320 glx_attrib = GLX_SAMPLES_ARB; |
|
9c42ee1b7d77
Date: Thu, 24 Apr 2003 15:13:47 -0400
Sam Lantinga <slouken@libsdl.org>
parents:
646
diff
changeset
|
321 break; |
| 0 | 322 default: |
| 323 return(-1); | |
| 324 } | |
| 325 | |
| 326 retval = this->gl_data->glXGetConfig(GFX_Display, glx_visualinfo, glx_attrib, value); | |
| 327 | |
| 328 return retval; | |
| 329 } | |
| 330 | |
| 331 void X11_GL_SwapBuffers(_THIS) | |
| 332 { | |
| 333 this->gl_data->glXSwapBuffers(GFX_Display, SDL_Window); | |
| 334 } | |
| 335 | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
336 #endif /* SDL_VIDEO_OPENGL_GLX */ |
| 0 | 337 |
| 338 void X11_GL_UnloadLibrary(_THIS) | |
| 339 { | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
340 #if SDL_VIDEO_OPENGL_GLX |
| 0 | 341 if ( this->gl_config.driver_loaded ) { |
|
1191
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
342 |
|
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
343 SDL_UnloadObject(this->gl_config.dll_handle); |
| 0 | 344 |
| 345 this->gl_data->glXGetProcAddress = NULL; | |
| 346 this->gl_data->glXChooseVisual = NULL; | |
| 347 this->gl_data->glXCreateContext = NULL; | |
| 348 this->gl_data->glXDestroyContext = NULL; | |
| 349 this->gl_data->glXMakeCurrent = NULL; | |
| 350 this->gl_data->glXSwapBuffers = NULL; | |
| 351 | |
| 352 this->gl_config.dll_handle = NULL; | |
| 353 this->gl_config.driver_loaded = 0; | |
| 354 } | |
| 355 #endif | |
| 356 } | |
| 357 | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
358 #if SDL_VIDEO_OPENGL_GLX |
|
1182
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
359 |
| 0 | 360 /* Passing a NULL path means load pointers from the application */ |
| 361 int X11_GL_LoadLibrary(_THIS, const char* path) | |
| 362 { | |
|
1191
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
363 void* handle = NULL; |
| 0 | 364 |
|
1182
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
365 if ( gl_active ) { |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
366 SDL_SetError("OpenGL context already created"); |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
367 return -1; |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
368 } |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
369 |
|
e8e8dcb68e7a
X11 driver now chooses "libGL.so.1" as a default when a NULL is passed to
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
370 if ( path == NULL ) { |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1315
diff
changeset
|
371 path = SDL_getenv("SDL_VIDEO_GL_DRIVER"); |
| 0 | 372 if ( path == NULL ) { |
| 373 path = DEFAULT_OPENGL; | |
| 374 } | |
|
1191
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
375 } |
|
2bd4cec0de63
Seperate glX from HAVE_OPENGL, for platforms that have both an X server and
Ryan C. Gordon <icculus@icculus.org>
parents:
1182
diff
changeset
|
376 |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
377 handle = SDL_LoadObject(path); |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
378 if ( handle == NULL ) { |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
379 /* SDL_LoadObject() will call SDL_SetError() for us. */ |
|
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
380 return -1; |
| 0 | 381 } |
| 382 | |
| 383 /* Unload the old driver and reset the pointers */ | |
| 384 X11_GL_UnloadLibrary(this); | |
| 385 | |
| 386 /* Load new function pointers */ | |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
387 this->gl_data->glXGetProcAddress = |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
388 (void *(*)(const GLubyte *)) SDL_LoadFunction(handle, "glXGetProcAddressARB"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
389 this->gl_data->glXChooseVisual = |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
390 (XVisualInfo *(*)(Display *, int, int *)) SDL_LoadFunction(handle, "glXChooseVisual"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
391 this->gl_data->glXCreateContext = |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
392 (GLXContext (*)(Display *, XVisualInfo *, GLXContext, int)) SDL_LoadFunction(handle, "glXCreateContext"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
393 this->gl_data->glXDestroyContext = |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
394 (void (*)(Display *, GLXContext)) SDL_LoadFunction(handle, "glXDestroyContext"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
395 this->gl_data->glXMakeCurrent = |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
396 (int (*)(Display *, GLXDrawable, GLXContext)) SDL_LoadFunction(handle, "glXMakeCurrent"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
397 this->gl_data->glXSwapBuffers = |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
398 (void (*)(Display *, GLXDrawable)) SDL_LoadFunction(handle, "glXSwapBuffers"); |
|
180
578815880307
Do proper typecasting so this compiles on IRIX
Sam Lantinga <slouken@libsdl.org>
parents:
127
diff
changeset
|
399 this->gl_data->glXGetConfig = |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
400 (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:
566
diff
changeset
|
401 this->gl_data->glXQueryExtensionsString = |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
402 (const char *(*)(Display *, int)) SDL_LoadFunction(handle, "glXQueryExtensionsString"); |
|
638
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
566
diff
changeset
|
403 |
|
1315
e94b0d7c33bc
Merged useful fixes from 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
404 |
| 0 | 405 if ( (this->gl_data->glXChooseVisual == NULL) || |
| 406 (this->gl_data->glXCreateContext == NULL) || | |
| 407 (this->gl_data->glXDestroyContext == NULL) || | |
| 408 (this->gl_data->glXMakeCurrent == NULL) || | |
| 409 (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
|
410 (this->gl_data->glXGetConfig == NULL) || |
|
b0108e9dea53
Date: Sun, 11 May 2003 19:59:06 +0300
Sam Lantinga <slouken@libsdl.org>
parents:
566
diff
changeset
|
411 (this->gl_data->glXQueryExtensionsString == NULL)) { |
| 0 | 412 SDL_SetError("Could not retrieve OpenGL functions"); |
| 413 return -1; | |
| 414 } | |
| 415 | |
| 416 this->gl_config.dll_handle = handle; | |
| 417 this->gl_config.driver_loaded = 1; | |
| 418 if ( path ) { | |
|
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
419 SDL_strlcpy(this->gl_config.driver_path, path, |
|
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
420 SDL_arraysize(this->gl_config.driver_path)); |
| 0 | 421 } else { |
|
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
422 *this->gl_config.driver_path = '\0'; |
| 0 | 423 } |
| 424 return 0; | |
| 425 } | |
| 426 | |
| 427 void *X11_GL_GetProcAddress(_THIS, const char* proc) | |
| 428 { | |
| 429 void* handle; | |
| 430 | |
| 431 handle = this->gl_config.dll_handle; | |
| 432 if ( this->gl_data->glXGetProcAddress ) { | |
|
1196
b81f54c3963f
Fixed compile warnings with gcc 4
Sam Lantinga <slouken@libsdl.org>
parents:
1191
diff
changeset
|
433 return this->gl_data->glXGetProcAddress((const GLubyte *)proc); |
| 0 | 434 } |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
435 return SDL_LoadFunction(handle, proc); |
| 0 | 436 } |
| 437 | |
|
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
438 #endif /* SDL_VIDEO_OPENGL_GLX */ |