2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2005 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;
190 extern XVisualInfo* glXChooseVisual( Display *dpy, int screen,
193 extern GLXContext glXCreateContext( Display *dpy, XVisualInfo *vis,
194 GLXContext shareList, Bool direct );
196 extern void glXDestroyContext( Display *dpy, GLXContext ctx );
198 extern Bool glXMakeCurrent( Display *dpy, GLXDrawable drawable,
201 extern void glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
202 unsigned long mask );
204 extern void glXSwapBuffers( Display *dpy, GLXDrawable drawable );
206 extern GLXPixmap glXCreateGLXPixmap( Display *dpy, XVisualInfo *visual,
209 extern void glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap );
211 extern Bool glXQueryExtension( Display *dpy, int *errorb, int *event );
213 extern Bool glXQueryVersion( Display *dpy, int *maj, int *min );
215 extern Bool glXIsDirect( Display *dpy, GLXContext ctx );
217 extern int glXGetConfig( Display *dpy, XVisualInfo *visual,
218 int attrib, int *value );
220 extern GLXContext glXGetCurrentContext( void );
222 extern GLXDrawable glXGetCurrentDrawable( void );
224 extern void glXWaitGL( void );
226 extern void glXWaitX( void );
228 extern void glXUseXFont( Font font, int first, int count, int list );
232 /* GLX 1.1 and later */
233 extern const char *glXQueryExtensionsString( Display *dpy, int screen );
235 extern const char *glXQueryServerString( Display *dpy, int screen, int name );
237 extern const char *glXGetClientString( Display *dpy, int name );
240 /* GLX 1.2 and later */
241 extern Display *glXGetCurrentDisplay( void );
244 /* GLX 1.3 and later */
245 extern GLXFBConfig *glXChooseFBConfig( Display *dpy, int screen,
246 const int *attribList, int *nitems );
248 extern int glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config,
249 int attribute, int *value );
251 extern GLXFBConfig *glXGetFBConfigs( Display *dpy, int screen,
254 extern XVisualInfo *glXGetVisualFromFBConfig( Display *dpy,
255 GLXFBConfig config );
257 extern GLXWindow glXCreateWindow( Display *dpy, GLXFBConfig config,
258 Window win, const int *attribList );
260 extern void glXDestroyWindow( Display *dpy, GLXWindow window );
262 extern GLXPixmap glXCreatePixmap( Display *dpy, GLXFBConfig config,
263 Pixmap pixmap, const int *attribList );
265 extern void glXDestroyPixmap( Display *dpy, GLXPixmap pixmap );
267 extern GLXPbuffer glXCreatePbuffer( Display *dpy, GLXFBConfig config,
268 const int *attribList );
270 extern void glXDestroyPbuffer( Display *dpy, GLXPbuffer pbuf );
272 extern void glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute,
273 unsigned int *value );
275 extern GLXContext glXCreateNewContext( Display *dpy, GLXFBConfig config,
276 int renderType, GLXContext shareList,
279 extern Bool glXMakeContextCurrent( Display *dpy, GLXDrawable draw,
280 GLXDrawable read, GLXContext ctx );
282 extern GLXDrawable glXGetCurrentReadDrawable( void );
284 extern int glXQueryContext( Display *dpy, GLXContext ctx, int attribute,
287 extern void glXSelectEvent( Display *dpy, GLXDrawable drawable,
288 unsigned long mask );
290 extern void glXGetSelectedEvent( Display *dpy, GLXDrawable drawable,
291 unsigned long *mask );
294 /* GLX 1.4 and later */
295 extern void (*glXGetProcAddress(const GLubyte *procname))( void );
298 #ifndef GLX_GLXEXT_LEGACY
300 #include <GL/glxext.h>
307 * ARB 2. GLX_ARB_get_proc_address
309 #ifndef GLX_ARB_get_proc_address
310 #define GLX_ARB_get_proc_address 1
312 typedef void (*__GLXextFuncPtr)(void);
313 extern __GLXextFuncPtr glXGetProcAddressARB (const GLubyte *);
315 #endif /* GLX_ARB_get_proc_address */
319 #endif /* GLX_GLXEXT_LEGACY */
323 ** The following aren't in glxext.h yet.
328 * ???. GLX_NV_vertex_array_range
330 #ifndef GLX_NV_vertex_array_range
331 #define GLX_NV_vertex_array_range
333 extern void *glXAllocateMemoryNV(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
334 extern void glXFreeMemoryNV(GLvoid *pointer);
335 typedef void * ( * PFNGLXALLOCATEMEMORYNVPROC) (GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
336 typedef void ( * PFNGLXFREEMEMORYNVPROC) (GLvoid *pointer);
338 #endif /* GLX_NV_vertex_array_range */
342 * ???. GLX_MESA_allocate_memory
344 #ifndef GLX_MESA_allocate_memory
345 #define GLX_MESA_allocate_memory 1
347 extern void *glXAllocateMemoryMESA(Display *dpy, int scrn, size_t size, float readfreq, float writefreq, float priority);
348 extern void glXFreeMemoryMESA(Display *dpy, int scrn, void *pointer);
349 extern GLuint glXGetMemoryOffsetMESA(Display *dpy, int scrn, const void *pointer);
350 typedef void * ( * PFNGLXALLOCATEMEMORYMESAPROC) (Display *dpy, int scrn, size_t size, float readfreq, float writefreq, float priority);
351 typedef void ( * PFNGLXFREEMEMORYMESAPROC) (Display *dpy, int scrn, void *pointer);
352 typedef GLuint (* PFNGLXGETMEMORYOFFSETMESAPROC) (Display *dpy, int scrn, const void *pointer);
354 #endif /* GLX_MESA_allocate_memory */
358 * ARB ?. GLX_ARB_render_texture
359 * XXX This was never finalized!
361 #ifndef GLX_ARB_render_texture
362 #define GLX_ARB_render_texture 1
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);
368 #endif /* GLX_ARB_render_texture */
372 * Remove this when glxext.h is updated.
374 #ifndef GLX_NV_float_buffer
375 #define GLX_NV_float_buffer 1
377 #define GLX_FLOAT_COMPONENTS_NV 0x20B0
379 #endif /* GLX_NV_float_buffer */
384 * #?. GLX_MESA_swap_frame_usage
386 #ifndef GLX_MESA_swap_frame_usage
387 #define GLX_MESA_swap_frame_usage 1
389 extern int glXGetFrameUsageMESA(Display *dpy, GLXDrawable drawable, float *usage);
390 extern int glXBeginFrameTrackingMESA(Display *dpy, GLXDrawable drawable);
391 extern int glXEndFrameTrackingMESA(Display *dpy, GLXDrawable drawable);
392 extern int glXQueryFrameTrackingMESA(Display *dpy, GLXDrawable drawable, int64_t *swapCount, int64_t *missedFrames, float *lastMissedUsage);
394 typedef int (*PFNGLXGETFRAMEUSAGEMESAPROC) (Display *dpy, GLXDrawable drawable, float *usage);
395 typedef int (*PFNGLXBEGINFRAMETRACKINGMESAPROC)(Display *dpy, GLXDrawable drawable);
396 typedef int (*PFNGLXENDFRAMETRACKINGMESAPROC)(Display *dpy, GLXDrawable drawable);
397 typedef int (*PFNGLXQUERYFRAMETRACKINGMESAPROC)(Display *dpy, GLXDrawable drawable, int64_t *swapCount, int64_t *missedFrames, float *lastMissedUsage);
399 #endif /* GLX_MESA_swap_frame_usage */
404 * #?. GLX_MESA_swap_control
406 #ifndef GLX_MESA_swap_control
407 #define GLX_MESA_swap_control 1
409 extern int glXSwapIntervalMESA(unsigned int interval);
410 extern int glXGetSwapIntervalMESA(void);
412 typedef int (*PFNGLXSWAPINTERVALMESAPROC)(unsigned int interval);
413 typedef int (*PFNGLXGETSWAPINTERVALMESAPROC)(void);
415 #endif /* GLX_MESA_swap_control */
420 * #?. GLX_EXT_texture_from_pixmap
423 #ifndef GLX_EXT_texture_from_pixmap
424 #define GLX_EXT_texture_from_pixmap 1
426 /* XXX need enums/tokens! */
428 extern Bool glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer);
429 extern Bool glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer);
431 #endif /* GLX_EXT_texture_from_pixmap */
436 /*** Should these go here, or in another header? */
441 int event_type; /* GLX_DAMAGED or GLX_SAVED */
442 int draw_type; /* GLX_WINDOW or GLX_PBUFFER */
443 unsigned long serial; /* # of last request processed by server */
444 Bool send_event; /* true if this came for SendEvent request */
445 Display *display; /* display the event was read from */
446 GLXDrawable drawable; /* XID of Drawable */
447 unsigned int buffer_mask; /* mask indicating which buffers are affected */
448 unsigned int aux_buffer; /* which aux buffer was affected */
451 int count; /* if nonzero, at least this many more */
452 } GLXPbufferClobberEvent;
454 typedef union __GLXEvent {
455 GLXPbufferClobberEvent glxpbufferclobber;