1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included 14 * in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 26 #ifndef GLX_H 27 #define GLX_H 28 29 30 #include <X11/Xlib.h> 31 #include <X11/Xutil.h> 32 #include <GL/gl.h> 33 34 35 #if defined(USE_MGL_NAMESPACE) 36 #include "glx_mangle.h" 37 #endif 38 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 45 #define GLX_VERSION_1_1 1 46 #define GLX_VERSION_1_2 1 47 #define GLX_VERSION_1_3 1 48 #define GLX_VERSION_1_4 1 49 50 #define GLX_EXTENSION_NAME "GLX" 51 52 53 54 /* 55 * Tokens for glXChooseVisual and glXGetConfig: 56 */ 57 #define GLX_USE_GL 1 58 #define GLX_BUFFER_SIZE 2 59 #define GLX_LEVEL 3 60 #define GLX_RGBA 4 61 #define GLX_DOUBLEBUFFER 5 62 #define GLX_STEREO 6 63 #define GLX_AUX_BUFFERS 7 64 #define GLX_RED_SIZE 8 65 #define GLX_GREEN_SIZE 9 66 #define GLX_BLUE_SIZE 10 67 #define GLX_ALPHA_SIZE 11 68 #define GLX_DEPTH_SIZE 12 69 #define GLX_STENCIL_SIZE 13 70 #define GLX_ACCUM_RED_SIZE 14 71 #define GLX_ACCUM_GREEN_SIZE 15 72 #define GLX_ACCUM_BLUE_SIZE 16 73 #define GLX_ACCUM_ALPHA_SIZE 17 74 75 76 /* 77 * Error codes returned by glXGetConfig: 78 */ 79 #define GLX_BAD_SCREEN 1 80 #define GLX_BAD_ATTRIBUTE 2 81 #define GLX_NO_EXTENSION 3 82 #define GLX_BAD_VISUAL 4 83 #define GLX_BAD_CONTEXT 5 84 #define GLX_BAD_VALUE 6 85 #define GLX_BAD_ENUM 7 86 87 88 /* 89 * GLX 1.1 and later: 90 */ 91 #define GLX_VENDOR 1 92 #define GLX_VERSION 2 93 #define GLX_EXTENSIONS 3 94 95 96 /* 97 * GLX 1.3 and later: 98 */ 99 #define GLX_CONFIG_CAVEAT 0x20 100 #define GLX_DONT_CARE 0xFFFFFFFF 101 #define GLX_X_VISUAL_TYPE 0x22 102 #define GLX_TRANSPARENT_TYPE 0x23 103 #define GLX_TRANSPARENT_INDEX_VALUE 0x24 104 #define GLX_TRANSPARENT_RED_VALUE 0x25 105 #define GLX_TRANSPARENT_GREEN_VALUE 0x26 106 #define GLX_TRANSPARENT_BLUE_VALUE 0x27 107 #define GLX_TRANSPARENT_ALPHA_VALUE 0x28 108 #define GLX_WINDOW_BIT 0x00000001 109 #define GLX_PIXMAP_BIT 0x00000002 110 #define GLX_PBUFFER_BIT 0x00000004 111 #define GLX_AUX_BUFFERS_BIT 0x00000010 112 #define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001 113 #define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002 114 #define GLX_BACK_LEFT_BUFFER_BIT 0x00000004 115 #define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008 116 #define GLX_DEPTH_BUFFER_BIT 0x00000020 117 #define GLX_STENCIL_BUFFER_BIT 0x00000040 118 #define GLX_ACCUM_BUFFER_BIT 0x00000080 119 #define GLX_NONE 0x8000 120 #define GLX_SLOW_CONFIG 0x8001 121 #define GLX_TRUE_COLOR 0x8002 122 #define GLX_DIRECT_COLOR 0x8003 123 #define GLX_PSEUDO_COLOR 0x8004 124 #define GLX_STATIC_COLOR 0x8005 125 #define GLX_GRAY_SCALE 0x8006 126 #define GLX_STATIC_GRAY 0x8007 127 #define GLX_TRANSPARENT_RGB 0x8008 128 #define GLX_TRANSPARENT_INDEX 0x8009 129 #define GLX_VISUAL_ID 0x800B 130 #define GLX_SCREEN 0x800C 131 #define GLX_NON_CONFORMANT_CONFIG 0x800D 132 #define GLX_DRAWABLE_TYPE 0x8010 133 #define GLX_RENDER_TYPE 0x8011 134 #define GLX_X_RENDERABLE 0x8012 135 #define GLX_FBCONFIG_ID 0x8013 136 #define GLX_RGBA_TYPE 0x8014 137 #define GLX_COLOR_INDEX_TYPE 0x8015 138 #define GLX_MAX_PBUFFER_WIDTH 0x8016 139 #define GLX_MAX_PBUFFER_HEIGHT 0x8017 140 #define GLX_MAX_PBUFFER_PIXELS 0x8018 141 #define GLX_PRESERVED_CONTENTS 0x801B 142 #define GLX_LARGEST_PBUFFER 0x801C 143 #define GLX_WIDTH 0x801D 144 #define GLX_HEIGHT 0x801E 145 #define GLX_EVENT_MASK 0x801F 146 #define GLX_DAMAGED 0x8020 147 #define GLX_SAVED 0x8021 148 #define GLX_WINDOW 0x8022 149 #define GLX_PBUFFER 0x8023 150 #define GLX_PBUFFER_HEIGHT 0x8040 151 #define GLX_PBUFFER_WIDTH 0x8041 152 #define GLX_RGBA_BIT 0x00000001 153 #define GLX_COLOR_INDEX_BIT 0x00000002 154 #define GLX_PBUFFER_CLOBBER_MASK 0x08000000 155 156 157 /* 158 * GLX 1.4 and later: 159 */ 160 #define GLX_SAMPLE_BUFFERS 0x186a0 /*100000*/ 161 #define GLX_SAMPLES 0x186a1 /*100001*/ 162 163 164 165 typedef struct __GLXcontextRec *GLXContext; 166 typedef XID GLXPixmap; 167 typedef XID GLXDrawable; 168 /* GLX 1.3 and later */ 169 typedef struct __GLXFBConfigRec *GLXFBConfig; 170 typedef XID GLXFBConfigID; 171 typedef XID GLXContextID; 172 typedef XID GLXWindow; 173 typedef XID GLXPbuffer; 174 175 176 /* 177 ** Events. 178 ** __GLX_NUMBER_EVENTS is set to 17 to account for the BufferClobberSGIX 179 ** event - this helps initialization if the server supports the pbuffer 180 ** extension and the client doesn't. 181 */ 182 #define GLX_PbufferClobber 0 183 #define GLX_BufferSwapComplete 1 184 185 #define __GLX_NUMBER_EVENTS 17 186 187 extern XVisualInfo* glXChooseVisual( Display *dpy, int screen, 188 int *attribList ); 189 190 extern GLXContext glXCreateContext( Display *dpy, XVisualInfo *vis, 191 GLXContext shareList, Bool direct ); 192 193 extern void glXDestroyContext( Display *dpy, GLXContext ctx ); 194 195 extern Bool glXMakeCurrent( Display *dpy, GLXDrawable drawable, 196 GLXContext ctx); 197 198 extern void glXCopyContext( Display *dpy, GLXContext src, GLXContext dst, 199 unsigned long mask ); 200 201 extern void glXSwapBuffers( Display *dpy, GLXDrawable drawable ); 202 203 extern GLXPixmap glXCreateGLXPixmap( Display *dpy, XVisualInfo *visual, 204 Pixmap pixmap ); 205 206 extern void glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap ); 207 208 extern Bool glXQueryExtension( Display *dpy, int *errorb, int *event ); 209 210 extern Bool glXQueryVersion( Display *dpy, int *maj, int *min ); 211 212 extern Bool glXIsDirect( Display *dpy, GLXContext ctx ); 213 214 extern int glXGetConfig( Display *dpy, XVisualInfo *visual, 215 int attrib, int *value ); 216 217 extern GLXContext glXGetCurrentContext( void ); 218 219 extern GLXDrawable glXGetCurrentDrawable( void ); 220 221 extern void glXWaitGL( void ); 222 223 extern void glXWaitX( void ); 224 225 extern void glXUseXFont( Font font, int first, int count, int list ); 226 227 228 229 /* GLX 1.1 and later */ 230 extern const char *glXQueryExtensionsString( Display *dpy, int screen ); 231 232 extern const char *glXQueryServerString( Display *dpy, int screen, int name ); 233 234 extern const char *glXGetClientString( Display *dpy, int name ); 235 236 237 /* GLX 1.2 and later */ 238 extern Display *glXGetCurrentDisplay( void ); 239 240 241 /* GLX 1.3 and later */ 242 extern GLXFBConfig *glXChooseFBConfig( Display *dpy, int screen, 243 const int *attribList, int *nitems ); 244 245 extern int glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config, 246 int attribute, int *value ); 247 248 extern GLXFBConfig *glXGetFBConfigs( Display *dpy, int screen, 249 int *nelements ); 250 251 extern XVisualInfo *glXGetVisualFromFBConfig( Display *dpy, 252 GLXFBConfig config ); 253 254 extern GLXWindow glXCreateWindow( Display *dpy, GLXFBConfig config, 255 Window win, const int *attribList ); 256 257 extern void glXDestroyWindow( Display *dpy, GLXWindow window ); 258 259 extern GLXPixmap glXCreatePixmap( Display *dpy, GLXFBConfig config, 260 Pixmap pixmap, const int *attribList ); 261 262 extern void glXDestroyPixmap( Display *dpy, GLXPixmap pixmap ); 263 264 extern GLXPbuffer glXCreatePbuffer( Display *dpy, GLXFBConfig config, 265 const int *attribList ); 266 267 extern void glXDestroyPbuffer( Display *dpy, GLXPbuffer pbuf ); 268 269 extern void glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute, 270 unsigned int *value ); 271 272 extern GLXContext glXCreateNewContext( Display *dpy, GLXFBConfig config, 273 int renderType, GLXContext shareList, 274 Bool direct ); 275 276 extern Bool glXMakeContextCurrent( Display *dpy, GLXDrawable draw, 277 GLXDrawable read, GLXContext ctx ); 278 279 extern GLXDrawable glXGetCurrentReadDrawable( void ); 280 281 extern int glXQueryContext( Display *dpy, GLXContext ctx, int attribute, 282 int *value ); 283 284 extern void glXSelectEvent( Display *dpy, GLXDrawable drawable, 285 unsigned long mask ); 286 287 extern void glXGetSelectedEvent( Display *dpy, GLXDrawable drawable, 288 unsigned long *mask ); 289 290 /* GLX 1.3 function pointer typedefs */ 291 typedef GLXFBConfig * (* PFNGLXGETFBCONFIGSPROC) (Display *dpy, int screen, int *nelements); 292 typedef GLXFBConfig * (* PFNGLXCHOOSEFBCONFIGPROC) (Display *dpy, int screen, const int *attrib_list, int *nelements); 293 typedef int (* PFNGLXGETFBCONFIGATTRIBPROC) (Display *dpy, GLXFBConfig config, int attribute, int *value); 294 typedef XVisualInfo * (* PFNGLXGETVISUALFROMFBCONFIGPROC) (Display *dpy, GLXFBConfig config); 295 typedef GLXWindow (* PFNGLXCREATEWINDOWPROC) (Display *dpy, GLXFBConfig config, Window win, const int *attrib_list); 296 typedef void (* PFNGLXDESTROYWINDOWPROC) (Display *dpy, GLXWindow win); 297 typedef GLXPixmap (* PFNGLXCREATEPIXMAPPROC) (Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list); 298 typedef void (* PFNGLXDESTROYPIXMAPPROC) (Display *dpy, GLXPixmap pixmap); 299 typedef GLXPbuffer (* PFNGLXCREATEPBUFFERPROC) (Display *dpy, GLXFBConfig config, const int *attrib_list); 300 typedef void (* PFNGLXDESTROYPBUFFERPROC) (Display *dpy, GLXPbuffer pbuf); 301 typedef void (* PFNGLXQUERYDRAWABLEPROC) (Display *dpy, GLXDrawable draw, int attribute, unsigned int *value); 302 typedef GLXContext (* PFNGLXCREATENEWCONTEXTPROC) (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct); 303 typedef Bool (* PFNGLXMAKECONTEXTCURRENTPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx); 304 typedef GLXDrawable (* PFNGLXGETCURRENTREADDRAWABLEPROC) (void); 305 typedef Display * (* PFNGLXGETCURRENTDISPLAYPROC) (void); 306 typedef int (* PFNGLXQUERYCONTEXTPROC) (Display *dpy, GLXContext ctx, int attribute, int *value); 307 typedef void (* PFNGLXSELECTEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long event_mask); 308 typedef void (* PFNGLXGETSELECTEDEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long *event_mask); 309 310 311 /* 312 * ARB 2. GLX_ARB_get_proc_address 313 */ 314 #ifndef GLX_ARB_get_proc_address 315 #define GLX_ARB_get_proc_address 1 316 317 typedef void (*__GLXextFuncPtr)(void); 318 extern __GLXextFuncPtr glXGetProcAddressARB (const GLubyte *); 319 320 #endif /* GLX_ARB_get_proc_address */ 321 322 323 324 /* GLX 1.4 and later */ 325 extern void (*glXGetProcAddress(const GLubyte *procname))( void ); 326 327 /* GLX 1.4 function pointer typedefs */ 328 typedef __GLXextFuncPtr (* PFNGLXGETPROCADDRESSPROC) (const GLubyte *procName); 329 330 331 #ifndef GLX_GLXEXT_LEGACY 332 333 #include <GL/glxext.h> 334 335 #endif /* GLX_GLXEXT_LEGACY */ 336 337 338 /** 339 ** The following aren't in glxext.h yet. 340 **/ 341 342 343 /* 344 * ???. GLX_NV_vertex_array_range 345 */ 346 #ifndef GLX_NV_vertex_array_range 347 #define GLX_NV_vertex_array_range 348 349 extern void *glXAllocateMemoryNV(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority); 350 extern void glXFreeMemoryNV(GLvoid *pointer); 351 typedef void * ( * PFNGLXALLOCATEMEMORYNVPROC) (GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority); 352 typedef void ( * PFNGLXFREEMEMORYNVPROC) (GLvoid *pointer); 353 354 #endif /* GLX_NV_vertex_array_range */ 355 356 357 /* 358 * ARB ?. GLX_ARB_render_texture 359 * XXX This was never finalized! 360 */ 361 #ifndef GLX_ARB_render_texture 362 #define GLX_ARB_render_texture 1 363 364 extern Bool glXBindTexImageARB(Display *dpy, GLXPbuffer pbuffer, int buffer); 365 extern Bool glXReleaseTexImageARB(Display *dpy, GLXPbuffer pbuffer, int buffer); 366 extern Bool glXDrawableAttribARB(Display *dpy, GLXDrawable draw, const int *attribList); 367 368 #endif /* GLX_ARB_render_texture */ 369 370 371 /* 372 * #?. GLX_MESA_swap_frame_usage 373 */ 374 #ifndef GLX_MESA_swap_frame_usage 375 #define GLX_MESA_swap_frame_usage 1 376 377 extern int glXGetFrameUsageMESA(Display *dpy, GLXDrawable drawable, float *usage); 378 extern int glXBeginFrameTrackingMESA(Display *dpy, GLXDrawable drawable); 379 extern int glXEndFrameTrackingMESA(Display *dpy, GLXDrawable drawable); 380 extern int glXQueryFrameTrackingMESA(Display *dpy, GLXDrawable drawable, int64_t *swapCount, int64_t *missedFrames, float *lastMissedUsage); 381 382 typedef int (*PFNGLXGETFRAMEUSAGEMESAPROC) (Display *dpy, GLXDrawable drawable, float *usage); 383 typedef int (*PFNGLXBEGINFRAMETRACKINGMESAPROC)(Display *dpy, GLXDrawable drawable); 384 typedef int (*PFNGLXENDFRAMETRACKINGMESAPROC)(Display *dpy, GLXDrawable drawable); 385 typedef int (*PFNGLXQUERYFRAMETRACKINGMESAPROC)(Display *dpy, GLXDrawable drawable, int64_t *swapCount, int64_t *missedFrames, float *lastMissedUsage); 386 387 #endif /* GLX_MESA_swap_frame_usage */ 388 389 390 391 /* 392 * #?. GLX_MESA_swap_control 393 */ 394 #ifndef GLX_MESA_swap_control 395 #define GLX_MESA_swap_control 1 396 397 extern int glXSwapIntervalMESA(unsigned int interval); 398 extern int glXGetSwapIntervalMESA(void); 399 400 typedef int (*PFNGLXSWAPINTERVALMESAPROC)(unsigned int interval); 401 typedef int (*PFNGLXGETSWAPINTERVALMESAPROC)(void); 402 403 #endif /* GLX_MESA_swap_control */ 404 405 406 /*** Should these go here, or in another header? */ 407 /* 408 ** GLX Events 409 */ 410 typedef struct { 411 int event_type; /* GLX_DAMAGED or GLX_SAVED */ 412 int draw_type; /* GLX_WINDOW or GLX_PBUFFER */ 413 unsigned long serial; /* # of last request processed by server */ 414 Bool send_event; /* true if this came for SendEvent request */ 415 Display *display; /* display the event was read from */ 416 GLXDrawable drawable; /* XID of Drawable */ 417 unsigned int buffer_mask; /* mask indicating which buffers are affected */ 418 unsigned int aux_buffer; /* which aux buffer was affected */ 419 int x, y; 420 int width, height; 421 int count; /* if nonzero, at least this many more */ 422 } GLXPbufferClobberEvent; 423 424 typedef struct { 425 int type; 426 unsigned long serial; /* # of last request processed by server */ 427 Bool send_event; /* true if this came from a SendEvent request */ 428 Display *display; /* Display the event was read from */ 429 Drawable drawable; /* drawable on which event was requested in event mask */ 430 int event_type; 431 int64_t ust; 432 int64_t msc; 433 int64_t sbc; 434 } GLXBufferSwapComplete; 435 436 typedef union __GLXEvent { 437 GLXPbufferClobberEvent glxpbufferclobber; 438 GLXBufferSwapComplete glxbufferswapcomplete; 439 long pad[24]; 440 } GLXEvent; 441 442 #ifdef __cplusplus 443 } 444 #endif 445 446 #endif 447