2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
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:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
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.
31 #include <X11/Xutil.h>
35 #if defined(USE_MGL_NAMESPACE)
36 #include "glx_mangle.h"
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
50 #define GLX_EXTENSION_NAME "GLX"
55 * Tokens for glXChooseVisual and glXGetConfig:
58 #define GLX_BUFFER_SIZE 2
61 #define GLX_DOUBLEBUFFER 5
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
77 * Error codes returned by glXGetConfig:
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
93 #define GLX_EXTENSIONS 3
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
160 #define GLX_SAMPLE_BUFFERS 0x186a0 /*100000*/
161 #define GLX_SAMPLES 0x186a1 /*100001*/
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;
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.
182 #define GLX_PbufferClobber 0
183 #define GLX_BufferSwapComplete 1
185 #define __GLX_NUMBER_EVENTS 17
187 extern XVisualInfo* glXChooseVisual( Display *dpy, int screen,
190 extern GLXContext glXCreateContext( Display *dpy, XVisualInfo *vis,
191 GLXContext shareList, Bool direct );
193 extern void glXDestroyContext( Display *dpy, GLXContext ctx );
195 extern Bool glXMakeCurrent( Display *dpy, GLXDrawable drawable,
198 extern void glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
199 unsigned long mask );
201 extern void glXSwapBuffers( Display *dpy, GLXDrawable drawable );
203 extern GLXPixmap glXCreateGLXPixmap( Display *dpy, XVisualInfo *visual,
206 extern void glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap );
208 extern Bool glXQueryExtension( Display *dpy, int *errorb, int *event );
210 extern Bool glXQueryVersion( Display *dpy, int *maj, int *min );
212 extern Bool glXIsDirect( Display *dpy, GLXContext ctx );
214 extern int glXGetConfig( Display *dpy, XVisualInfo *visual,
215 int attrib, int *value );
217 extern GLXContext glXGetCurrentContext( void );
219 extern GLXDrawable glXGetCurrentDrawable( void );
221 extern void glXWaitGL( void );
223 extern void glXWaitX( void );
225 extern void glXUseXFont( Font font, int first, int count, int list );
229 /* GLX 1.1 and later */
230 extern const char *glXQueryExtensionsString( Display *dpy, int screen );
232 extern const char *glXQueryServerString( Display *dpy, int screen, int name );
234 extern const char *glXGetClientString( Display *dpy, int name );
237 /* GLX 1.2 and later */
238 extern Display *glXGetCurrentDisplay( void );
241 /* GLX 1.3 and later */
242 extern GLXFBConfig *glXChooseFBConfig( Display *dpy, int screen,
243 const int *attribList, int *nitems );
245 extern int glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config,
246 int attribute, int *value );
248 extern GLXFBConfig *glXGetFBConfigs( Display *dpy, int screen,
251 extern XVisualInfo *glXGetVisualFromFBConfig( Display *dpy,
252 GLXFBConfig config );
254 extern GLXWindow glXCreateWindow( Display *dpy, GLXFBConfig config,
255 Window win, const int *attribList );
257 extern void glXDestroyWindow( Display *dpy, GLXWindow window );
259 extern GLXPixmap glXCreatePixmap( Display *dpy, GLXFBConfig config,
260 Pixmap pixmap, const int *attribList );
262 extern void glXDestroyPixmap( Display *dpy, GLXPixmap pixmap );
264 extern GLXPbuffer glXCreatePbuffer( Display *dpy, GLXFBConfig config,
265 const int *attribList );
267 extern void glXDestroyPbuffer( Display *dpy, GLXPbuffer pbuf );
269 extern void glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute,
270 unsigned int *value );
272 extern GLXContext glXCreateNewContext( Display *dpy, GLXFBConfig config,
273 int renderType, GLXContext shareList,
276 extern Bool glXMakeContextCurrent( Display *dpy, GLXDrawable draw,
277 GLXDrawable read, GLXContext ctx );
279 extern GLXDrawable glXGetCurrentReadDrawable( void );
281 extern int glXQueryContext( Display *dpy, GLXContext ctx, int attribute,
284 extern void glXSelectEvent( Display *dpy, GLXDrawable drawable,
285 unsigned long mask );
287 extern void glXGetSelectedEvent( Display *dpy, GLXDrawable drawable,
288 unsigned long *mask );
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);
312 * ARB 2. GLX_ARB_get_proc_address
314 #ifndef GLX_ARB_get_proc_address
315 #define GLX_ARB_get_proc_address 1
317 typedef void (*__GLXextFuncPtr)(void);
318 extern __GLXextFuncPtr glXGetProcAddressARB (const GLubyte *);
320 #endif /* GLX_ARB_get_proc_address */
324 /* GLX 1.4 and later */
325 extern void (*glXGetProcAddress(const GLubyte *procname))( void );
327 /* GLX 1.4 function pointer typedefs */
328 typedef __GLXextFuncPtr (* PFNGLXGETPROCADDRESSPROC) (const GLubyte *procName);
331 #ifndef GLX_GLXEXT_LEGACY
333 #include <GL/glxext.h>
335 #endif /* GLX_GLXEXT_LEGACY */
339 ** The following aren't in glxext.h yet.
344 * ???. GLX_NV_vertex_array_range
346 #ifndef GLX_NV_vertex_array_range
347 #define GLX_NV_vertex_array_range
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);
354 #endif /* GLX_NV_vertex_array_range */
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 * #?. GLX_MESA_swap_frame_usage
374 #ifndef GLX_MESA_swap_frame_usage
375 #define GLX_MESA_swap_frame_usage 1
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);
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);
387 #endif /* GLX_MESA_swap_frame_usage */
392 * #?. GLX_MESA_swap_control
394 #ifndef GLX_MESA_swap_control
395 #define GLX_MESA_swap_control 1
397 extern int glXSwapIntervalMESA(unsigned int interval);
398 extern int glXGetSwapIntervalMESA(void);
400 typedef int (*PFNGLXSWAPINTERVALMESAPROC)(unsigned int interval);
401 typedef int (*PFNGLXGETSWAPINTERVALMESAPROC)(void);
403 #endif /* GLX_MESA_swap_control */
406 /*** Should these go here, or in another header? */
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 */
421 int count; /* if nonzero, at least this many more */
422 } GLXPbufferClobberEvent;
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 */
434 } GLXBufferSwapComplete;
436 typedef union __GLXEvent {
437 GLXPbufferClobberEvent glxpbufferclobber;
438 GLXBufferSwapComplete glxbufferswapcomplete;