2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 #include <GL/vms_x_fix.h>
33 /* VMS Xlib.h gives problems with C++.
34 * this avoids a bunch of trivial warnings */
35 #pragma message disable nosimpint
39 #include <X11/Xutil.h>
42 #pragma message enable nosimpint
48 #if defined(USE_MGL_NAMESPACE)
49 #include "glx_mangle.h"
58 #define GLX_VERSION_1_1 1
59 #define GLX_VERSION_1_2 1
60 #define GLX_VERSION_1_3 1
61 #define GLX_VERSION_1_4 1
63 #define GLX_EXTENSION_NAME "GLX"
68 * Tokens for glXChooseVisual and glXGetConfig:
71 #define GLX_BUFFER_SIZE 2
74 #define GLX_DOUBLEBUFFER 5
76 #define GLX_AUX_BUFFERS 7
77 #define GLX_RED_SIZE 8
78 #define GLX_GREEN_SIZE 9
79 #define GLX_BLUE_SIZE 10
80 #define GLX_ALPHA_SIZE 11
81 #define GLX_DEPTH_SIZE 12
82 #define GLX_STENCIL_SIZE 13
83 #define GLX_ACCUM_RED_SIZE 14
84 #define GLX_ACCUM_GREEN_SIZE 15
85 #define GLX_ACCUM_BLUE_SIZE 16
86 #define GLX_ACCUM_ALPHA_SIZE 17
90 * Error codes returned by glXGetConfig:
92 #define GLX_BAD_SCREEN 1
93 #define GLX_BAD_ATTRIBUTE 2
94 #define GLX_NO_EXTENSION 3
95 #define GLX_BAD_VISUAL 4
96 #define GLX_BAD_CONTEXT 5
97 #define GLX_BAD_VALUE 6
98 #define GLX_BAD_ENUM 7
105 #define GLX_VERSION 2
106 #define GLX_EXTENSIONS 3
112 #define GLX_CONFIG_CAVEAT 0x20
113 #define GLX_DONT_CARE 0xFFFFFFFF
114 #define GLX_X_VISUAL_TYPE 0x22
115 #define GLX_TRANSPARENT_TYPE 0x23
116 #define GLX_TRANSPARENT_INDEX_VALUE 0x24
117 #define GLX_TRANSPARENT_RED_VALUE 0x25
118 #define GLX_TRANSPARENT_GREEN_VALUE 0x26
119 #define GLX_TRANSPARENT_BLUE_VALUE 0x27
120 #define GLX_TRANSPARENT_ALPHA_VALUE 0x28
121 #define GLX_WINDOW_BIT 0x00000001
122 #define GLX_PIXMAP_BIT 0x00000002
123 #define GLX_PBUFFER_BIT 0x00000004
124 #define GLX_AUX_BUFFERS_BIT 0x00000010
125 #define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
126 #define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
127 #define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
128 #define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
129 #define GLX_DEPTH_BUFFER_BIT 0x00000020
130 #define GLX_STENCIL_BUFFER_BIT 0x00000040
131 #define GLX_ACCUM_BUFFER_BIT 0x00000080
132 #define GLX_NONE 0x8000
133 #define GLX_SLOW_CONFIG 0x8001
134 #define GLX_TRUE_COLOR 0x8002
135 #define GLX_DIRECT_COLOR 0x8003
136 #define GLX_PSEUDO_COLOR 0x8004
137 #define GLX_STATIC_COLOR 0x8005
138 #define GLX_GRAY_SCALE 0x8006
139 #define GLX_STATIC_GRAY 0x8007
140 #define GLX_TRANSPARENT_RGB 0x8008
141 #define GLX_TRANSPARENT_INDEX 0x8009
142 #define GLX_VISUAL_ID 0x800B
143 #define GLX_SCREEN 0x800C
144 #define GLX_NON_CONFORMANT_CONFIG 0x800D
145 #define GLX_DRAWABLE_TYPE 0x8010
146 #define GLX_RENDER_TYPE 0x8011
147 #define GLX_X_RENDERABLE 0x8012
148 #define GLX_FBCONFIG_ID 0x8013
149 #define GLX_RGBA_TYPE 0x8014
150 #define GLX_COLOR_INDEX_TYPE 0x8015
151 #define GLX_MAX_PBUFFER_WIDTH 0x8016
152 #define GLX_MAX_PBUFFER_HEIGHT 0x8017
153 #define GLX_MAX_PBUFFER_PIXELS 0x8018
154 #define GLX_PRESERVED_CONTENTS 0x801B
155 #define GLX_LARGEST_PBUFFER 0x801C
156 #define GLX_WIDTH 0x801D
157 #define GLX_HEIGHT 0x801E
158 #define GLX_EVENT_MASK 0x801F
159 #define GLX_DAMAGED 0x8020
160 #define GLX_SAVED 0x8021
161 #define GLX_WINDOW 0x8022
162 #define GLX_PBUFFER 0x8023
163 #define GLX_PBUFFER_HEIGHT 0x8040
164 #define GLX_PBUFFER_WIDTH 0x8041
165 #define GLX_RGBA_BIT 0x00000001
166 #define GLX_COLOR_INDEX_BIT 0x00000002
167 #define GLX_PBUFFER_CLOBBER_MASK 0x08000000
173 #define GLX_SAMPLE_BUFFERS 0x186a0 /*100000*/
174 #define GLX_SAMPLES 0x186a1 /*100001*/
178 typedef struct __GLXcontextRec *GLXContext;
179 typedef XID GLXPixmap;
180 typedef XID GLXDrawable;
181 /* GLX 1.3 and later */
182 typedef struct __GLXFBConfigRec *GLXFBConfig;
183 typedef XID GLXFBConfigID;
184 typedef XID GLXContextID;
185 typedef XID GLXWindow;
186 typedef XID GLXPbuffer;
191 ** __GLX_NUMBER_EVENTS is set to 17 to account for the BufferClobberSGIX
192 ** event - this helps initialization if the server supports the pbuffer
193 ** extension and the client doesn't.
195 #define GLX_PbufferClobber 0
196 #define GLX_BufferSwapComplete 1
198 #define __GLX_NUMBER_EVENTS 17
200 extern XVisualInfo* glXChooseVisual( Display *dpy, int screen,
203 extern GLXContext glXCreateContext( Display *dpy, XVisualInfo *vis,
204 GLXContext shareList, Bool direct );
206 extern void glXDestroyContext( Display *dpy, GLXContext ctx );
208 extern Bool glXMakeCurrent( Display *dpy, GLXDrawable drawable,
211 extern void glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
212 unsigned long mask );
214 extern void glXSwapBuffers( Display *dpy, GLXDrawable drawable );
216 extern GLXPixmap glXCreateGLXPixmap( Display *dpy, XVisualInfo *visual,
219 extern void glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap );
221 extern Bool glXQueryExtension( Display *dpy, int *errorb, int *event );
223 extern Bool glXQueryVersion( Display *dpy, int *maj, int *min );
225 extern Bool glXIsDirect( Display *dpy, GLXContext ctx );
227 extern int glXGetConfig( Display *dpy, XVisualInfo *visual,
228 int attrib, int *value );
230 extern GLXContext glXGetCurrentContext( void );
232 extern GLXDrawable glXGetCurrentDrawable( void );
234 extern void glXWaitGL( void );
236 extern void glXWaitX( void );
238 extern void glXUseXFont( Font font, int first, int count, int list );
242 /* GLX 1.1 and later */
243 extern const char *glXQueryExtensionsString( Display *dpy, int screen );
245 extern const char *glXQueryServerString( Display *dpy, int screen, int name );
247 extern const char *glXGetClientString( Display *dpy, int name );
250 /* GLX 1.2 and later */
251 extern Display *glXGetCurrentDisplay( void );
254 /* GLX 1.3 and later */
255 extern GLXFBConfig *glXChooseFBConfig( Display *dpy, int screen,
256 const int *attribList, int *nitems );
258 extern int glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config,
259 int attribute, int *value );
261 extern GLXFBConfig *glXGetFBConfigs( Display *dpy, int screen,
264 extern XVisualInfo *glXGetVisualFromFBConfig( Display *dpy,
265 GLXFBConfig config );
267 extern GLXWindow glXCreateWindow( Display *dpy, GLXFBConfig config,
268 Window win, const int *attribList );
270 extern void glXDestroyWindow( Display *dpy, GLXWindow window );
272 extern GLXPixmap glXCreatePixmap( Display *dpy, GLXFBConfig config,
273 Pixmap pixmap, const int *attribList );
275 extern void glXDestroyPixmap( Display *dpy, GLXPixmap pixmap );
277 extern GLXPbuffer glXCreatePbuffer( Display *dpy, GLXFBConfig config,
278 const int *attribList );
280 extern void glXDestroyPbuffer( Display *dpy, GLXPbuffer pbuf );
282 extern void glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute,
283 unsigned int *value );
285 extern GLXContext glXCreateNewContext( Display *dpy, GLXFBConfig config,
286 int renderType, GLXContext shareList,
289 extern Bool glXMakeContextCurrent( Display *dpy, GLXDrawable draw,
290 GLXDrawable read, GLXContext ctx );
292 extern GLXDrawable glXGetCurrentReadDrawable( void );
294 extern int glXQueryContext( Display *dpy, GLXContext ctx, int attribute,
297 extern void glXSelectEvent( Display *dpy, GLXDrawable drawable,
298 unsigned long mask );
300 extern void glXGetSelectedEvent( Display *dpy, GLXDrawable drawable,
301 unsigned long *mask );
303 /* GLX 1.3 function pointer typedefs */
304 typedef GLXFBConfig * (* PFNGLXGETFBCONFIGSPROC) (Display *dpy, int screen, int *nelements);
305 typedef GLXFBConfig * (* PFNGLXCHOOSEFBCONFIGPROC) (Display *dpy, int screen, const int *attrib_list, int *nelements);
306 typedef int (* PFNGLXGETFBCONFIGATTRIBPROC) (Display *dpy, GLXFBConfig config, int attribute, int *value);
307 typedef XVisualInfo * (* PFNGLXGETVISUALFROMFBCONFIGPROC) (Display *dpy, GLXFBConfig config);
308 typedef GLXWindow (* PFNGLXCREATEWINDOWPROC) (Display *dpy, GLXFBConfig config, Window win, const int *attrib_list);
309 typedef void (* PFNGLXDESTROYWINDOWPROC) (Display *dpy, GLXWindow win);
310 typedef GLXPixmap (* PFNGLXCREATEPIXMAPPROC) (Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list);
311 typedef void (* PFNGLXDESTROYPIXMAPPROC) (Display *dpy, GLXPixmap pixmap);
312 typedef GLXPbuffer (* PFNGLXCREATEPBUFFERPROC) (Display *dpy, GLXFBConfig config, const int *attrib_list);
313 typedef void (* PFNGLXDESTROYPBUFFERPROC) (Display *dpy, GLXPbuffer pbuf);
314 typedef void (* PFNGLXQUERYDRAWABLEPROC) (Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
315 typedef GLXContext (* PFNGLXCREATENEWCONTEXTPROC) (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
316 typedef Bool (* PFNGLXMAKECONTEXTCURRENTPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
317 typedef GLXDrawable (* PFNGLXGETCURRENTREADDRAWABLEPROC) (void);
318 typedef Display * (* PFNGLXGETCURRENTDISPLAYPROC) (void);
319 typedef int (* PFNGLXQUERYCONTEXTPROC) (Display *dpy, GLXContext ctx, int attribute, int *value);
320 typedef void (* PFNGLXSELECTEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long event_mask);
321 typedef void (* PFNGLXGETSELECTEDEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long *event_mask);
325 * ARB 2. GLX_ARB_get_proc_address
327 #ifndef GLX_ARB_get_proc_address
328 #define GLX_ARB_get_proc_address 1
330 typedef void (*__GLXextFuncPtr)(void);
331 extern __GLXextFuncPtr glXGetProcAddressARB (const GLubyte *);
333 #endif /* GLX_ARB_get_proc_address */
337 /* GLX 1.4 and later */
338 extern void (*glXGetProcAddress(const GLubyte *procname))( void );
340 /* GLX 1.4 function pointer typedefs */
341 typedef __GLXextFuncPtr (* PFNGLXGETPROCADDRESSPROC) (const GLubyte *procName);
344 #ifndef GLX_GLXEXT_LEGACY
346 #include <GL/glxext.h>
348 #endif /* GLX_GLXEXT_LEGACY */
352 ** The following aren't in glxext.h yet.
357 * ???. GLX_NV_vertex_array_range
359 #ifndef GLX_NV_vertex_array_range
360 #define GLX_NV_vertex_array_range
362 extern void *glXAllocateMemoryNV(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
363 extern void glXFreeMemoryNV(GLvoid *pointer);
364 typedef void * ( * PFNGLXALLOCATEMEMORYNVPROC) (GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
365 typedef void ( * PFNGLXFREEMEMORYNVPROC) (GLvoid *pointer);
367 #endif /* GLX_NV_vertex_array_range */
371 * ARB ?. GLX_ARB_render_texture
372 * XXX This was never finalized!
374 #ifndef GLX_ARB_render_texture
375 #define GLX_ARB_render_texture 1
377 extern Bool glXBindTexImageARB(Display *dpy, GLXPbuffer pbuffer, int buffer);
378 extern Bool glXReleaseTexImageARB(Display *dpy, GLXPbuffer pbuffer, int buffer);
379 extern Bool glXDrawableAttribARB(Display *dpy, GLXDrawable draw, const int *attribList);
381 #endif /* GLX_ARB_render_texture */
385 * Remove this when glxext.h is updated.
387 #ifndef GLX_NV_float_buffer
388 #define GLX_NV_float_buffer 1
390 #define GLX_FLOAT_COMPONENTS_NV 0x20B0
392 #endif /* GLX_NV_float_buffer */
397 * #?. GLX_MESA_swap_frame_usage
399 #ifndef GLX_MESA_swap_frame_usage
400 #define GLX_MESA_swap_frame_usage 1
402 extern int glXGetFrameUsageMESA(Display *dpy, GLXDrawable drawable, float *usage);
403 extern int glXBeginFrameTrackingMESA(Display *dpy, GLXDrawable drawable);
404 extern int glXEndFrameTrackingMESA(Display *dpy, GLXDrawable drawable);
405 extern int glXQueryFrameTrackingMESA(Display *dpy, GLXDrawable drawable, int64_t *swapCount, int64_t *missedFrames, float *lastMissedUsage);
407 typedef int (*PFNGLXGETFRAMEUSAGEMESAPROC) (Display *dpy, GLXDrawable drawable, float *usage);
408 typedef int (*PFNGLXBEGINFRAMETRACKINGMESAPROC)(Display *dpy, GLXDrawable drawable);
409 typedef int (*PFNGLXENDFRAMETRACKINGMESAPROC)(Display *dpy, GLXDrawable drawable);
410 typedef int (*PFNGLXQUERYFRAMETRACKINGMESAPROC)(Display *dpy, GLXDrawable drawable, int64_t *swapCount, int64_t *missedFrames, float *lastMissedUsage);
412 #endif /* GLX_MESA_swap_frame_usage */
417 * #?. GLX_MESA_swap_control
419 #ifndef GLX_MESA_swap_control
420 #define GLX_MESA_swap_control 1
422 extern int glXSwapIntervalMESA(unsigned int interval);
423 extern int glXGetSwapIntervalMESA(void);
425 typedef int (*PFNGLXSWAPINTERVALMESAPROC)(unsigned int interval);
426 typedef int (*PFNGLXGETSWAPINTERVALMESAPROC)(void);
428 #endif /* GLX_MESA_swap_control */
433 * #?. GLX_EXT_texture_from_pixmap
436 #ifndef GLX_EXT_texture_from_pixmap
437 #define GLX_EXT_texture_from_pixmap 1
439 #define GLX_BIND_TO_TEXTURE_RGB_EXT 0x20D0
440 #define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1
441 #define GLX_BIND_TO_MIPMAP_TEXTURE_EXT 0x20D2
442 #define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3
443 #define GLX_Y_INVERTED_EXT 0x20D4
445 #define GLX_TEXTURE_FORMAT_EXT 0x20D5
446 #define GLX_TEXTURE_TARGET_EXT 0x20D6
447 #define GLX_MIPMAP_TEXTURE_EXT 0x20D7
449 #define GLX_TEXTURE_FORMAT_NONE_EXT 0x20D8
450 #define GLX_TEXTURE_FORMAT_RGB_EXT 0x20D9
451 #define GLX_TEXTURE_FORMAT_RGBA_EXT 0x20DA
453 #define GLX_TEXTURE_1D_BIT_EXT 0x00000001
454 #define GLX_TEXTURE_2D_BIT_EXT 0x00000002
455 #define GLX_TEXTURE_RECTANGLE_BIT_EXT 0x00000004
457 #define GLX_TEXTURE_1D_EXT 0x20DB
458 #define GLX_TEXTURE_2D_EXT 0x20DC
459 #define GLX_TEXTURE_RECTANGLE_EXT 0x20DD
461 #define GLX_FRONT_LEFT_EXT 0x20DE
462 #define GLX_FRONT_RIGHT_EXT 0x20DF
463 #define GLX_BACK_LEFT_EXT 0x20E0
464 #define GLX_BACK_RIGHT_EXT 0x20E1
465 #define GLX_FRONT_EXT GLX_FRONT_LEFT_EXT
466 #define GLX_BACK_EXT GLX_BACK_LEFT_EXT
467 #define GLX_AUX0_EXT 0x20E2
468 #define GLX_AUX1_EXT 0x20E3
469 #define GLX_AUX2_EXT 0x20E4
470 #define GLX_AUX3_EXT 0x20E5
471 #define GLX_AUX4_EXT 0x20E6
472 #define GLX_AUX5_EXT 0x20E7
473 #define GLX_AUX6_EXT 0x20E8
474 #define GLX_AUX7_EXT 0x20E9
475 #define GLX_AUX8_EXT 0x20EA
476 #define GLX_AUX9_EXT 0x20EB
478 extern void glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer, const int *attrib_list);
479 extern void glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer);
481 #endif /* GLX_EXT_texture_from_pixmap */
486 /*** Should these go here, or in another header? */
491 int event_type; /* GLX_DAMAGED or GLX_SAVED */
492 int draw_type; /* GLX_WINDOW or GLX_PBUFFER */
493 unsigned long serial; /* # of last request processed by server */
494 Bool send_event; /* true if this came for SendEvent request */
495 Display *display; /* display the event was read from */
496 GLXDrawable drawable; /* XID of Drawable */
497 unsigned int buffer_mask; /* mask indicating which buffers are affected */
498 unsigned int aux_buffer; /* which aux buffer was affected */
501 int count; /* if nonzero, at least this many more */
502 } GLXPbufferClobberEvent;
506 unsigned long serial; /* # of last request processed by server */
507 Bool send_event; /* true if this came from a SendEvent request */
508 Display *display; /* Display the event was read from */
509 GLXDrawable drawable; /* drawable on which event was requested in event mask */
514 } GLXBufferSwapComplete;
516 typedef union __GLXEvent {
517 GLXPbufferClobberEvent glxpbufferclobber;
518 GLXBufferSwapComplete glxbufferswapcomplete;