Release 20050930.
[wine/gsoc-2012-control.git] / dlls / opengl32 / wgl_ext.c
blob335554ab014250af34305892cbe771bf949cfb80
1 /* Support for window-specific OpenGL extensions.
3 * Copyright (c) 2004 Lionel Ulmer
4 * Copyright (c) 2005 Alex Woods
5 * Copyright (c) 2005 Raphael Junqueira
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "config.h"
23 #include "wine/port.h"
25 #include <stdarg.h>
26 #include <stdlib.h>
27 #include <string.h>
29 #include "windef.h"
30 #include "winbase.h"
31 #include "winuser.h"
32 #include "winerror.h"
34 #include "gdi.h"
35 #include "wgl.h"
36 #include "wgl_ext.h"
37 #include "opengl_ext.h"
38 #include "wine/library.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(opengl);
44 /* x11drv GDI escapes */
45 #define X11DRV_ESCAPE 6789
46 enum x11drv_escape_codes
48 X11DRV_GET_DISPLAY, /* get X11 display for a DC */
49 X11DRV_GET_DRAWABLE, /* get current drawable for a DC */
50 X11DRV_GET_FONT, /* get current X font for a DC */
51 X11DRV_SET_DRAWABLE, /* set current drawable for a DC */
53 struct x11drv_escape_set_drawable
55 enum x11drv_escape_codes code; /* escape code (X11DRV_SET_DRAWABLE) */
56 Drawable drawable; /* X drawable */
57 int mode; /* ClipByChildren or IncludeInferiors */
58 POINT org; /* origin of DC relative to drawable */
59 POINT drawable_org; /* origin of drawable relative to screen */
62 /* retrieve the X display to use on a given DC */
63 inline static Display *get_display( HDC hdc )
65 Display *display;
66 enum x11drv_escape_codes escape = X11DRV_GET_DISPLAY;
68 if (!ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPCSTR)&escape,
69 sizeof(display), (LPSTR)&display )) display = NULL;
70 return display;
72 inline static void set_drawable( HDC hdc, Drawable drawable )
74 struct x11drv_escape_set_drawable escape;
76 escape.code = X11DRV_SET_DRAWABLE;
77 escape.drawable = drawable;
78 escape.mode = IncludeInferiors;
79 escape.org.x = escape.org.y = 0;
80 escape.drawable_org.x = escape.drawable_org.y = 0;
82 ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPCSTR)&escape, 0, NULL );
85 /* Some WGL extensions... */
86 static const char *WGL_extensions_base = "WGL_ARB_extensions_string WGL_EXT_extensions_string";
87 static char *WGL_extensions = NULL;
89 /**
90 * Extensions-query functions
92 * @TODO: use a struct to handle parameters
94 BOOL query_function_make_current_read(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
95 const char* glx_version, const char *glx_extensions,
96 const char *server_glx_extensions, const char *client_glx_extensions)
98 return 0 <= strcmp("1.3", glx_version);
101 BOOL query_function_multisample(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
102 const char* glx_version, const char *glx_extensions,
103 const char *server_glx_extensions, const char *client_glx_extensions)
105 return NULL != strstr(glx_extensions, "GLX_ARB_multisample");
108 BOOL query_function_pbuffer(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
109 const char* glx_version, const char *glx_extensions,
110 const char *server_glx_extensions, const char *client_glx_extensions)
112 TRACE("gl_version is: \"%s\"\n", gl_version);
113 TRACE("glx_exts is: \"%s\"\n", glx_extensions);
115 return 0 <= strcmp("1.3", glx_version) || NULL != strstr(glx_extensions, "GLX_SGIX_pbuffer");
118 BOOL query_function_pixel_format(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
119 const char* glx_version, const char *glx_extensions,
120 const char *server_glx_extensions, const char *client_glx_extensions)
122 return TRUE;
125 /** GLX_ARB_render_texture */
127 * http://oss.sgi.com/projects/ogl-sample/registry/ARB/wgl_render_texture.txt
128 * ~/tmp/ogl/ogl_offscreen_rendering_3
130 Bool (*p_glXBindTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
131 Bool (*p_glXReleaseTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
132 Bool (*p_glXDrawableAttribARB)(Display *dpy, GLXDrawable draw, const int *attribList);
133 int use_render_texture_emulation = 0;
134 BOOL query_function_render_texture(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
135 const char* glx_version, const char *glx_extensions,
136 const char *server_glx_extensions, const char *client_glx_extensions)
138 BOOL bTest = (0 <= strcmp("1.3", glx_version) || NULL != strstr(glx_extensions, "GLX_SGIX_pbuffer"));
139 if (bTest) {
140 if (NULL != strstr(glx_extensions, "GLX_ARB_render_texture")) {
141 p_glXBindTexImageARB = proc( (const GLubyte *) "glXBindTexImageARB");
142 p_glXReleaseTexImageARB = proc( (const GLubyte *) "glXReleaseTexImageARB");
143 p_glXDrawableAttribARB = proc( (const GLubyte *) "glXDrawableAttribARB");
144 bTest = (NULL != p_glXBindTexImageARB && NULL != p_glXReleaseTexImageARB && NULL != p_glXDrawableAttribARB);
145 } else {
146 use_render_texture_emulation = 0;
149 return bTest;
152 int (*p_glXSwapIntervalSGI)(int);
153 BOOL query_function_swap_control(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
154 const char* glx_version, const char *glx_extensions,
155 const char *server_glx_extensions, const char *client_glx_extensions)
157 BOOL bTest = (0 <= strcmp("1.3", glx_version) || NULL != strstr(glx_extensions, "GLX_SGI_swap_control"));
158 if (bTest) {
159 p_glXSwapIntervalSGI = proc( (const GLubyte *) "glXSwapIntervalSGI");
160 bTest = (NULL != p_glXSwapIntervalSGI);
162 return bTest;
165 /***********************************************************************
166 * wglGetExtensionsStringEXT(OPENGL32.@)
168 const char * WINAPI wglGetExtensionsStringEXT(void) {
169 TRACE("() returning \"%s\"\n", WGL_extensions);
171 return WGL_extensions;
174 /***********************************************************************
175 * wglGetExtensionsStringARB(OPENGL32.@)
177 const char * WINAPI wglGetExtensionsStringARB(HDC hdc) {
178 TRACE("() returning \"%s\"\n", WGL_extensions);
180 return WGL_extensions;
183 static int swap_interval = 1;
185 /***********************************************************************
186 * wglSwapIntervalEXT(OPENGL32.@)
188 BOOL WINAPI wglSwapIntervalEXT(int interval) {
189 TRACE("(%d)\n", interval);
190 swap_interval = interval;
191 if (NULL != p_glXSwapIntervalSGI) {
192 return 0 == p_glXSwapIntervalSGI(interval);
194 WARN("(): GLX_SGI_swap_control extension seems not supported \n");
195 return TRUE;
198 /***********************************************************************
199 * wglGetSwapIntervalEXT(OPENGL32.@)
201 int WINAPI wglGetSwapIntervalEXT(VOID) {
202 FIXME("(),stub!\n");
203 return swap_interval;
206 typedef struct wine_glpbuffer {
207 Drawable drawable;
208 Display* display;
209 int pixelFormat;
210 int width;
211 int height;
212 int* attribList;
213 HDC hdc;
215 int use_render_texture;
216 GLuint texture_target;
217 GLuint texture_bind_target;
218 GLuint texture;
219 int texture_level;
220 } Wine_GLPBuffer;
222 #define PUSH1(attribs,att) attribs[nAttribs++] = (att);
223 #define PUSH2(attribs,att,value) attribs[nAttribs++] = (att); attribs[nAttribs++] = (value);
225 #define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
226 #define WGL_DRAW_TO_WINDOW_ARB 0x2001
227 #define WGL_DRAW_TO_BITMAP_ARB 0x2002
228 #define WGL_ACCELERATION_ARB 0x2003
229 #define WGL_NEED_PALETTE_ARB 0x2004
230 #define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
231 #define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
232 #define WGL_SWAP_METHOD_ARB 0x2007
233 #define WGL_NUMBER_OVERLAYS_ARB 0x2008
234 #define WGL_NUMBER_UNDERLAYS_ARB 0x2009
235 #define WGL_TRANSPARENT_ARB 0x200A
236 #define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
237 #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
238 #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
239 #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
240 #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
241 #define WGL_SHARE_DEPTH_ARB 0x200C
242 #define WGL_SHARE_STENCIL_ARB 0x200D
243 #define WGL_SHARE_ACCUM_ARB 0x200E
244 #define WGL_SUPPORT_GDI_ARB 0x200F
245 #define WGL_SUPPORT_OPENGL_ARB 0x2010
246 #define WGL_DOUBLE_BUFFER_ARB 0x2011
247 #define WGL_STEREO_ARB 0x2012
248 #define WGL_PIXEL_TYPE_ARB 0x2013
249 #define WGL_COLOR_BITS_ARB 0x2014
250 #define WGL_RED_BITS_ARB 0x2015
251 #define WGL_RED_SHIFT_ARB 0x2016
252 #define WGL_GREEN_BITS_ARB 0x2017
253 #define WGL_GREEN_SHIFT_ARB 0x2018
254 #define WGL_BLUE_BITS_ARB 0x2019
255 #define WGL_BLUE_SHIFT_ARB 0x201A
256 #define WGL_ALPHA_BITS_ARB 0x201B
257 #define WGL_ALPHA_SHIFT_ARB 0x201C
258 #define WGL_ACCUM_BITS_ARB 0x201D
259 #define WGL_ACCUM_RED_BITS_ARB 0x201E
260 #define WGL_ACCUM_GREEN_BITS_ARB 0x201F
261 #define WGL_ACCUM_BLUE_BITS_ARB 0x2020
262 #define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
263 #define WGL_DEPTH_BITS_ARB 0x2022
264 #define WGL_STENCIL_BITS_ARB 0x2023
265 #define WGL_AUX_BUFFERS_ARB 0x2024
267 #define WGL_NO_ACCELERATION_ARB 0x2025
268 #define WGL_GENERIC_ACCELERATION_ARB 0x2026
269 #define WGL_FULL_ACCELERATION_ARB 0x2027
271 #define WGL_PBUFFER_WIDTH_ARB 0x2034
272 #define WGL_PBUFFER_HEIGHT_ARB 0x2035
273 #define WGL_PBUFFER_LOST_ARB 0x2036
274 #define WGL_DRAW_TO_PBUFFER_ARB 0x202D
275 #define WGL_MAX_PBUFFER_PIXELS_ARB 0x202E
276 #define WGL_MAX_PBUFFER_WIDTH_ARB 0x202F
277 #define WGL_MAX_PBUFFER_HEIGHT_ARB 0x2030
278 #define WGL_PBUFFER_LARGEST_ARB 0x2033
280 #define WGL_TYPE_RGBA_ARB 0x202B
281 #define WGL_TYPE_COLORINDEX_ARB 0x202C
283 #define WGL_SAMPLE_BUFFERS_ARB 0x2041
284 #define WGL_SAMPLES_ARB 0x2042
287 * WGL_render_texture
289 /** GetPixelFormat/ChoosePixelFormat */
290 #define WGL_BIND_TO_TEXTURE_RGB_ARB 0x2070
291 #define WGL_BIND_TO_TEXTURE_RGBA_ARB 0x2071
292 /** CreatePbuffer / QueryPbuffer */
293 #define WGL_TEXTURE_FORMAT_ARB 0x2072
294 #define WGL_TEXTURE_TARGET_ARB 0x2073
295 #define WGL_MIPMAP_TEXTURE_ARB 0x2074
296 /** CreatePbuffer / QueryPbuffer */
297 #define WGL_TEXTURE_RGB_ARB 0x2075
298 #define WGL_TEXTURE_RGBA_ARB 0x2076
299 #define WGL_NO_TEXTURE_ARB 0x2077
300 /** CreatePbuffer / QueryPbuffer */
301 #define WGL_TEXTURE_CUBE_MAP_ARB 0x2078
302 #define WGL_TEXTURE_1D_ARB 0x2079
303 #define WGL_TEXTURE_2D_ARB 0x207A
304 #define WGL_NO_TEXTURE_ARB 0x2077
305 /** SetPbufferAttribARB/QueryPbufferARB parameters */
306 #define WGL_MIPMAP_LEVEL_ARB 0x207B
307 #define WGL_CUBE_MAP_FACE_ARB 0x207C
308 /** SetPbufferAttribARB/QueryPbufferARB attribs */
309 #define WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x207D
310 #define WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x207E
311 #define WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x207F
312 #define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x2080
313 #define WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x2081
314 #define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x2082
315 /** BindTexImageARB/ReleaseTexImageARB */
316 #define WGL_FRONT_LEFT_ARB 0x2083
317 #define WGL_FRONT_RIGHT_ARB 0x2084
318 #define WGL_BACK_LEFT_ARB 0x2085
319 #define WGL_BACK_RIGHT_ARB 0x2086
320 #define WGL_AUX0_ARB 0x2087
321 #define WGL_AUX1_ARB 0x2088
322 #define WGL_AUX2_ARB 0x2089
323 #define WGL_AUX3_ARB 0x208A
324 #define WGL_AUX4_ARB 0x208B
325 #define WGL_AUX5_ARB 0x208C
326 #define WGL_AUX6_ARB 0x208D
327 #define WGL_AUX7_ARB 0x208E
328 #define WGL_AUX8_ARB 0x208F
329 #define WGL_AUX9_ARB 0x2090
331 #if 0 /* not used yet */
332 static unsigned ConvertAttribGLXtoWGL(const int* iWGLAttr, int* oGLXAttr) {
333 unsigned nAttribs = 0;
334 FIXME("not yet implemented!\n");
335 return nAttribs;
337 #endif
339 static unsigned ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, Wine_GLPBuffer* pbuf) {
340 unsigned nAttribs = 0;
341 unsigned cur = 0;
342 int pop;
344 while (0 != iWGLAttr[cur]) {
345 TRACE("pAttr[%d] = %x\n", cur, iWGLAttr[cur]);
347 switch (iWGLAttr[cur]) {
348 case WGL_COLOR_BITS_ARB:
349 pop = iWGLAttr[++cur];
350 PUSH2(oGLXAttr, GLX_BUFFER_SIZE, pop);
351 TRACE("pAttr[%d] = WGL_COLOR_BITS_ARB: %d\n", cur, pop);
352 break;
353 case WGL_BLUE_BITS_ARB:
354 pop = iWGLAttr[++cur];
355 PUSH2(oGLXAttr, GLX_BLUE_SIZE, pop);
356 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur, pop);
357 break;
358 case WGL_RED_BITS_ARB:
359 pop = iWGLAttr[++cur];
360 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur, pop);
361 PUSH2(oGLXAttr, GLX_RED_SIZE, pop);
362 break;
363 case WGL_GREEN_BITS_ARB:
364 pop = iWGLAttr[++cur];
365 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur, pop);
366 PUSH2(oGLXAttr, GLX_GREEN_SIZE, pop);
367 break;
368 case WGL_ALPHA_BITS_ARB:
369 pop = iWGLAttr[++cur];
370 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur, pop);
371 PUSH2(oGLXAttr, GLX_ALPHA_SIZE, pop);
372 break;
373 case WGL_DEPTH_BITS_ARB:
374 pop = iWGLAttr[++cur];
375 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur, pop);
376 PUSH2(oGLXAttr, GLX_DEPTH_SIZE, pop);
377 break;
378 case WGL_STENCIL_BITS_ARB:
379 pop = iWGLAttr[++cur];
380 PUSH2(oGLXAttr, GLX_STENCIL_SIZE, pop);
381 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur, pop);
382 break;
383 case WGL_DOUBLE_BUFFER_ARB:
384 pop = iWGLAttr[++cur];
385 PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, pop);
386 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur, pop);
387 break;
389 case WGL_PIXEL_TYPE_ARB:
390 pop = iWGLAttr[++cur];
391 switch (pop) {
392 case WGL_TYPE_RGBA_ARB: pop = GLX_RGBA_BIT; break ;
393 case WGL_TYPE_COLORINDEX_ARB: pop = GLX_COLOR_INDEX_BIT; break ;
394 default:
395 ERR("unexpected PixelType(%x)\n", pop);
396 pop = 0;
398 PUSH2(oGLXAttr, GLX_RENDER_TYPE, pop);
399 TRACE("pAttr[%d] = GLX_RENDER_TYPE: %d\n", cur, pop);
400 break;
402 case WGL_SUPPORT_GDI_ARB:
403 case WGL_DRAW_TO_WINDOW_ARB:
404 case WGL_DRAW_TO_BITMAP_ARB:
405 case WGL_DRAW_TO_PBUFFER_ARB:
406 pop = iWGLAttr[++cur];
407 PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
408 TRACE("pAttr[%d] = GLX_RENDERABLE: %d\n", cur, pop);
409 break;
411 case WGL_ACCELERATION_ARB:
412 case WGL_SUPPORT_OPENGL_ARB:
413 pop = iWGLAttr[++cur];
414 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
415 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur, pop);
416 break;
418 case WGL_PBUFFER_LARGEST_ARB:
419 pop = iWGLAttr[++cur];
420 PUSH2(oGLXAttr, GLX_LARGEST_PBUFFER, pop);
421 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur, pop);
422 break;
424 case WGL_SAMPLE_BUFFERS_ARB:
425 pop = iWGLAttr[++cur];
426 PUSH2(oGLXAttr, GLX_SAMPLE_BUFFERS_ARB, pop);
427 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur, pop);
428 break;
430 case WGL_SAMPLES_ARB:
431 pop = iWGLAttr[++cur];
432 PUSH2(oGLXAttr, GLX_SAMPLES_ARB, pop);
433 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur, pop);
434 break;
436 case WGL_TEXTURE_FORMAT_ARB:
437 case WGL_TEXTURE_TARGET_ARB:
438 case WGL_MIPMAP_TEXTURE_ARB:
439 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr[cur], iWGLAttr[cur + 1]);
440 if (NULL == pbuf) {
441 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr[cur]);
443 if (!use_render_texture_emulation) {
444 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr[cur]);
446 pop = iWGLAttr[++cur];
447 break ;
449 default:
450 FIXME("unsupported %x WGL Attribute\n", iWGLAttr[cur]);
451 break;
453 ++cur;
455 return nAttribs;
458 GLboolean WINAPI wglGetPixelFormatAttribivARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues)
460 Display* display = get_display( hdc );
461 UINT i;
462 GLXFBConfig* cfgs = NULL;
463 GLXFBConfig curCfg = NULL;
464 int nCfgs = 0;
465 int hTest;
466 int tmp;
467 int curGLXAttr = 0;
469 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, piValues);
471 if (0 < iLayerPlane) {
472 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane);
473 return GL_FALSE;
476 cfgs = glXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
477 if (NULL == cfgs) {
478 ERR("no FB Configs found for display(%p)\n", display);
479 return GL_FALSE;
482 for (i = 0; i < nAttributes; ++i) {
483 const int curWGLAttr = piAttributes[i];
484 TRACE("pAttr[%d] = %x\n", i, curWGLAttr);
486 switch (curWGLAttr) {
487 case WGL_NUMBER_PIXEL_FORMATS_ARB:
488 piValues[i] = nCfgs;
489 continue ;
491 case WGL_SUPPORT_OPENGL_ARB:
492 piValues[i] = GL_TRUE;
493 continue ;
495 case WGL_ACCELERATION_ARB:
496 curGLXAttr = GLX_CONFIG_CAVEAT;
497 if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
498 curCfg = cfgs[iPixelFormat - 1];
499 hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, &tmp);
500 if (hTest) goto get_error;
501 switch (tmp) {
502 case GLX_NONE: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
503 case GLX_SLOW_CONFIG: piValues[i] = WGL_NO_ACCELERATION_ARB; break;
504 case GLX_NON_CONFORMANT_CONFIG: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
505 default:
506 ERR("unexpected Config Caveat(%x)\n", tmp);
507 piValues[i] = WGL_NO_ACCELERATION_ARB;
509 continue ;
511 case WGL_TRANSPARENT_ARB:
512 curGLXAttr = GLX_TRANSPARENT_TYPE;
513 if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
514 curCfg = cfgs[iPixelFormat - 1];
515 hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, &tmp);
516 if (hTest) goto get_error;
517 piValues[i] = GL_FALSE;
518 if (GLX_NONE != tmp) piValues[i] = GL_TRUE;
519 continue ;
521 case WGL_PIXEL_TYPE_ARB:
522 curGLXAttr = GLX_RENDER_TYPE;
523 if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
524 curCfg = cfgs[iPixelFormat - 1];
525 hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, &tmp);
526 if (hTest) goto get_error;
527 switch (tmp) {
528 case GLX_RGBA_BIT: piValues[i] = WGL_TYPE_RGBA_ARB; break;
529 case GLX_COLOR_INDEX_BIT: piValues[i] = WGL_TYPE_COLORINDEX_ARB; break ;
530 default:
531 ERR("unexpected RenderType(%x)\n", tmp);
532 piValues[i] = WGL_TYPE_RGBA_ARB;
534 continue ;
536 case WGL_COLOR_BITS_ARB:
537 curGLXAttr = GLX_BUFFER_SIZE;
538 break;
539 case WGL_BLUE_BITS_ARB:
540 curGLXAttr = GLX_BLUE_SIZE;
541 break;
542 case WGL_RED_BITS_ARB:
543 curGLXAttr = GLX_RED_SIZE;
544 break;
545 case WGL_GREEN_BITS_ARB:
546 curGLXAttr = GLX_GREEN_SIZE;
547 break;
548 case WGL_ALPHA_BITS_ARB:
549 curGLXAttr = GLX_ALPHA_SIZE;
550 break;
551 case WGL_DEPTH_BITS_ARB:
552 curGLXAttr = GLX_DEPTH_SIZE;
553 break;
554 case WGL_STENCIL_BITS_ARB:
555 curGLXAttr = GLX_STENCIL_SIZE;
556 break;
557 case WGL_DOUBLE_BUFFER_ARB:
558 curGLXAttr = GLX_DOUBLEBUFFER;
559 break;
560 case WGL_STEREO_ARB:
561 curGLXAttr = GLX_STEREO;
562 break;
563 case WGL_AUX_BUFFERS_ARB:
564 curGLXAttr = GLX_AUX_BUFFERS;
565 break;
567 case WGL_SUPPORT_GDI_ARB:
568 case WGL_DRAW_TO_WINDOW_ARB:
569 case WGL_DRAW_TO_BITMAP_ARB:
570 case WGL_DRAW_TO_PBUFFER_ARB:
571 curGLXAttr = GLX_X_RENDERABLE;
572 break;
574 case WGL_PBUFFER_LARGEST_ARB:
575 curGLXAttr = GLX_LARGEST_PBUFFER;
576 break;
578 case WGL_SAMPLE_BUFFERS_ARB:
579 curGLXAttr = GLX_SAMPLE_BUFFERS_ARB;
580 break;
582 case WGL_SAMPLES_ARB:
583 curGLXAttr = GLX_SAMPLES_ARB;
584 break;
586 case WGL_BIND_TO_TEXTURE_RGB_ARB:
587 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
588 if (!use_render_texture_emulation) {
589 piValues[i] = GL_FALSE;
590 continue ;
592 curGLXAttr = GLX_RENDER_TYPE;
593 if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
594 curCfg = cfgs[iPixelFormat - 1];
595 hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, &tmp);
596 if (hTest) goto get_error;
597 if (GLX_COLOR_INDEX_BIT == tmp) {
598 piValues[i] = GL_FALSE;
599 continue ;
601 curGLXAttr = GLX_X_RENDERABLE;
602 break;
604 default:
605 FIXME("unsupported %x WGL Attribute\n", curWGLAttr);
608 if (0 != curGLXAttr) {
609 if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
610 curCfg = cfgs[iPixelFormat - 1];
611 hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, piValues + i);
612 if (hTest) goto get_error;
613 } else {
614 piValues[i] = GL_FALSE;
618 return GL_TRUE;
620 get_error:
621 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc, curGLXAttr);
622 XFree(cfgs);
623 return GL_FALSE;
625 pix_error:
626 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc, iPixelFormat, nCfgs);
627 XFree(cfgs);
628 return GL_FALSE;
631 GLboolean WINAPI wglGetPixelFormatAttribfvARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues)
633 FIXME("(%p, %d, %d, %d, %p, %p): stub\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, pfValues);
634 return GL_FALSE;
637 * http://publib.boulder.ibm.com/infocenter/pseries/index.jsp?topic=/com.ibm.aix.doc/libs/openglrf/glXChooseFBConfig.htm
639 GLboolean WINAPI wglChoosePixelFormatARB(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats)
641 Display* display = get_display( hdc );
642 int gl_test = 0;
643 int attribs[256];
644 unsigned nAttribs = 0;
646 GLXFBConfig* cfgs = NULL;
647 int nCfgs = 0;
648 UINT it;
649 int fmt_id;
651 GLXFBConfig* cfgs_fmt = NULL;
652 int nCfgs_fmt = 0;
653 UINT it_fmt;
654 int tmp_fmt_id;
656 int pfmt_it = 0;
658 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc, piAttribIList, pfAttribFList, nMaxFormats, piFormats, nNumFormats);
659 if (NULL != pfAttribFList) {
660 FIXME("unused pfAttribFList\n");
663 nAttribs = ConvertAttribWGLtoGLX(piAttribIList, attribs, NULL);
664 PUSH1(attribs, None);
666 cfgs = glXChooseFBConfig(display, DefaultScreen(display), attribs, &nCfgs);
667 if (NULL == cfgs) {
668 WARN("Compatible Pixel Format not found\n");
669 return GL_FALSE;
672 cfgs_fmt = glXGetFBConfigs(display, DefaultScreen(display), &nCfgs_fmt);
673 if (NULL == cfgs_fmt) {
674 ERR("Failed to get All FB Configs\n");
675 XFree(cfgs);
676 return GL_FALSE;
679 for (it = 0; it < nMaxFormats && it < nCfgs; ++it) {
680 gl_test = glXGetFBConfigAttrib(display, cfgs[it], GLX_FBCONFIG_ID, &fmt_id);
681 if (gl_test) {
682 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
683 continue ;
685 for (it_fmt = 0; it_fmt < nCfgs_fmt; ++it_fmt) {
686 gl_test = glXGetFBConfigAttrib(display, cfgs_fmt[it_fmt], GLX_FBCONFIG_ID, &tmp_fmt_id);
687 if (gl_test) {
688 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
689 continue ;
691 if (fmt_id == tmp_fmt_id) {
692 piFormats[pfmt_it] = it_fmt + 1;
693 ++pfmt_it;
694 break ;
697 if (it_fmt == nCfgs_fmt) {
698 ERR("Failed to get valid fmt for %d. Try next.\n", it);
699 continue ;
701 TRACE("at %d/%d found FBCONFIG_ID(%d/%d)\n", it + 1, nCfgs, piFormats[it], nCfgs_fmt);
704 *nNumFormats = pfmt_it;
705 /** free list */
706 XFree(cfgs);
707 XFree(cfgs_fmt);
708 return GL_TRUE;
711 #define HPBUFFERARB void *
712 HPBUFFERARB WINAPI wglCreatePbufferARB(HDC hdc, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList)
714 Wine_GLPBuffer* object = NULL;
715 Display* display = get_display( hdc );
716 GLXFBConfig* cfgs = NULL;
717 int nCfgs = 0;
718 int attribs[256];
719 unsigned nAttribs = 0;
721 TRACE("(%p, %d, %d, %d, %p)\n", hdc, iPixelFormat, iWidth, iHeight, piAttribList);
723 if (0 >= iPixelFormat) {
724 ERR("(%p): unexpected iPixelFormat(%d) <= 0, returns NULL\n", hdc, iPixelFormat);
725 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
726 return NULL; /* unespected error */
729 cfgs = glXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
731 if (NULL == cfgs || 0 == nCfgs) {
732 ERR("(%p): Cannot get FB Configs for iPixelFormat(%d), returns NULL\n", hdc, iPixelFormat);
733 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
734 return NULL; /* unespected error */
736 if (nCfgs < iPixelFormat) {
737 ERR("(%p): unexpected iPixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, iPixelFormat, nCfgs);
738 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
739 goto create_failed; /* unespected error */
742 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLPBuffer));
743 if (NULL == object) {
744 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
745 goto create_failed; /* unespected error */
747 object->hdc = hdc;
748 object->display = display;
749 object->width = iWidth;
750 object->height = iHeight;
751 object->pixelFormat = iPixelFormat;
753 nAttribs = ConvertAttribWGLtoGLX(piAttribList, attribs, object);
754 PUSH2(attribs, GLX_PBUFFER_WIDTH, iWidth);
755 PUSH2(attribs, GLX_PBUFFER_HEIGHT, iHeight);
756 PUSH1(attribs, None);
758 while (0 != *piAttribList) {
759 int attr_v;
760 switch (*piAttribList) {
761 case WGL_TEXTURE_FORMAT_ARB: {
762 if (!use_render_texture_emulation) {
763 SetLastError(ERROR_INVALID_DATA);
764 goto create_failed;
766 ++piAttribList;
767 attr_v = *piAttribList;
768 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v);
769 switch (attr_v) {
770 case WGL_TEXTURE_RGB_ARB:
771 case WGL_TEXTURE_RGBA_ARB:
772 case WGL_NO_TEXTURE_ARB:
773 break;
774 default:
775 SetLastError(ERROR_INVALID_DATA);
776 goto create_failed;
778 break;
781 case WGL_TEXTURE_TARGET_ARB: {
782 if (!use_render_texture_emulation) {
783 SetLastError(ERROR_INVALID_DATA);
784 goto create_failed;
786 ++piAttribList;
787 attr_v = *piAttribList;
788 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v);
789 switch (attr_v) {
790 case WGL_TEXTURE_CUBE_MAP_ARB: {
791 if (iWidth != iHeight) {
792 SetLastError(ERROR_INVALID_DATA);
793 goto create_failed;
795 object->texture_target = GL_TEXTURE_CUBE_MAP;
796 object->texture_bind_target = GL_TEXTURE_CUBE_MAP;
797 break;
799 case WGL_TEXTURE_1D_ARB: {
800 if (1 != iHeight) {
801 SetLastError(ERROR_INVALID_DATA);
802 goto create_failed;
804 object->texture_target = GL_TEXTURE_1D;
805 object->texture_bind_target = GL_TEXTURE_1D;
806 break;
808 case WGL_TEXTURE_2D_ARB: {
809 object->texture_target = GL_TEXTURE_2D;
810 object->texture_bind_target = GL_TEXTURE_2D;
811 break;
813 case WGL_NO_TEXTURE_ARB:
814 break;
815 default:
816 SetLastError(ERROR_INVALID_DATA);
817 goto create_failed;
819 break;
822 case WGL_MIPMAP_TEXTURE_ARB: {
823 if (!use_render_texture_emulation) {
824 SetLastError(ERROR_INVALID_DATA);
825 goto create_failed;
827 ++piAttribList;
828 attr_v = *piAttribList;
829 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v);
830 if (0 != attr_v) {
831 SetLastError(ERROR_INVALID_DATA);
832 goto create_failed;
834 break ;
838 ++piAttribList;
841 object->drawable = glXCreatePbuffer(display, cfgs[iPixelFormat - 1], attribs);
842 TRACE("new Pbuffer drawable as %p\n", (void*) object->drawable);
843 if (!object->drawable) {
844 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
845 goto create_failed; /* unespected error */
847 TRACE("->(%p)\n", object);
849 /** free list */
850 XFree(cfgs);
851 return (HPBUFFERARB) object;
853 create_failed:
854 if (NULL != cfgs) XFree(cfgs);
855 if (NULL != object) HeapFree(GetProcessHeap(), 0, object);
856 TRACE("->(FAILED)\n");
857 return (HPBUFFERARB) NULL;
860 HDC WINAPI wglGetPbufferDCARB(HPBUFFERARB hPbuffer)
862 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
863 HDC hDC;
864 if (NULL == object) {
865 SetLastError(ERROR_INVALID_HANDLE);
866 return NULL;
868 hDC = CreateCompatibleDC(object->hdc);
869 set_drawable(hDC, object->drawable); /* works ?? */
870 TRACE("(%p)->(%p)\n", hPbuffer, hDC);
871 return hDC;
874 int WINAPI wglReleasePbufferDCARB(HPBUFFERARB hPbuffer, HDC hdc)
876 TRACE("(%p, %p)\n", hPbuffer, hdc);
877 DeleteDC(hdc);
878 return 0;
881 GLboolean WINAPI wglDestroyPbufferARB(HPBUFFERARB hPbuffer)
883 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
884 TRACE("(%p)\n", hPbuffer);
885 if (NULL == object) {
886 SetLastError(ERROR_INVALID_HANDLE);
887 return GL_FALSE;
889 glXDestroyPbuffer(object->display, object->drawable);
890 HeapFree(GetProcessHeap(), 0, object);
891 return GL_TRUE;
894 GLboolean WINAPI wglQueryPbufferARB(HPBUFFERARB hPbuffer, int iAttribute, int *piValue)
896 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
897 TRACE("(%p, 0x%x, %p)\n", hPbuffer, iAttribute, piValue);
898 if (NULL == object) {
899 SetLastError(ERROR_INVALID_HANDLE);
900 return GL_FALSE;
902 switch (iAttribute) {
903 case WGL_PBUFFER_WIDTH_ARB:
904 glXQueryDrawable(object->display, object->drawable, GLX_WIDTH, (unsigned int*) piValue);
905 break;
906 case WGL_PBUFFER_HEIGHT_ARB:
907 glXQueryDrawable(object->display, object->drawable, GLX_HEIGHT, (unsigned int*) piValue);
908 break;
910 case WGL_PBUFFER_LOST_ARB:
911 FIXME("unsupported WGL_PBUFFER_LOST_ARB (need glXSelectEvent/GLX_DAMAGED work)\n");
912 break;
914 case WGL_TEXTURE_FORMAT_ARB:
915 case WGL_TEXTURE_TARGET_ARB:
916 case WGL_MIPMAP_TEXTURE_ARB:
917 if (!object->use_render_texture) {
918 SetLastError(ERROR_INVALID_HANDLE);
919 return GL_FALSE;
921 if (!use_render_texture_emulation) {
922 SetLastError(ERROR_INVALID_DATA);
923 return GL_FALSE; /** how to FIX ? */
925 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute);
926 break;
928 default:
929 FIXME("unexpected attribute %x\n", iAttribute);
930 break;
933 return GL_TRUE;
936 GLboolean WINAPI wglBindTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
938 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
939 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
940 if (NULL == object) {
941 SetLastError(ERROR_INVALID_HANDLE);
942 return GL_FALSE;
944 if (!object->use_render_texture) {
945 SetLastError(ERROR_INVALID_HANDLE);
946 return GL_FALSE;
948 if (1 == use_render_texture_emulation) {
949 return GL_TRUE;
951 if (NULL != p_glXBindTexImageARB) {
952 return p_glXBindTexImageARB(object->display, object->drawable, iBuffer);
954 return GL_FALSE;
957 GLboolean WINAPI wglReleaseTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
959 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
960 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
961 if (NULL == object) {
962 SetLastError(ERROR_INVALID_HANDLE);
963 return GL_FALSE;
965 if (!object->use_render_texture) {
966 SetLastError(ERROR_INVALID_HANDLE);
967 return GL_FALSE;
969 if (1 == use_render_texture_emulation) {
970 GLint prev_binded_tex;
971 glGetIntegerv(object->texture_target, &prev_binded_tex);
972 glBindTexture(object->texture_target, object->texture);
973 if (GL_TEXTURE_1D == object->texture_target) {
974 glCopyTexSubImage1D(object->texture_bind_target, object->texture_level, 0, 0, 0, object->width);
975 } else {
976 glCopyTexSubImage2D(object->texture_bind_target, object->texture_level, 0, 0, 0, 0, object->width, object->height);
978 glBindTexture(object->texture_target, prev_binded_tex);
979 return GL_TRUE;
981 if (NULL != p_glXReleaseTexImageARB) {
982 return p_glXReleaseTexImageARB(object->display, object->drawable, iBuffer);
984 return GL_FALSE;
987 GLboolean WINAPI wglSetPbufferAttribARB(HPBUFFERARB hPbuffer, const int *piAttribList)
989 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
990 WARN("(%p, %p): alpha-testing, report any problem\n", hPbuffer, piAttribList);
991 if (NULL == object) {
992 SetLastError(ERROR_INVALID_HANDLE);
993 return GL_FALSE;
995 if (!object->use_render_texture) {
996 SetLastError(ERROR_INVALID_HANDLE);
997 return GL_FALSE;
999 if (1 == use_render_texture_emulation) {
1000 return GL_TRUE;
1002 if (NULL != p_glXDrawableAttribARB) {
1003 return p_glXDrawableAttribARB(object->display, object->drawable, piAttribList);
1005 return GL_FALSE;
1008 static const struct {
1009 const char *name;
1010 BOOL (*query_function)(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
1011 const char *glx_version, const char *glx_extensions,
1012 const char *server_glx_extensions, const char *client_glx_extensions);
1013 } extension_list[] = {
1014 { "WGL_ARB_make_current_read", query_function_make_current_read },
1015 { "WGL_ARB_multisample", query_function_multisample },
1016 { "WGL_ARB_pbuffer", query_function_pbuffer },
1017 { "WGL_ARB_pixel_format" , query_function_pixel_format },
1018 { "WGL_ARB_render_texture", query_function_render_texture },
1019 { "WGL_EXT_swap_control", query_function_swap_control }
1022 /* Used to initialize the WGL extension string at DLL loading */
1023 void wgl_ext_initialize_extensions(Display *display, int screen, glXGetProcAddressARB_t proc, const char* disabled_extensions)
1025 int size = strlen(WGL_extensions_base);
1026 const char *glx_extensions = glXQueryExtensionsString(display, screen);
1027 const char *server_glx_extensions = glXQueryServerString(display, screen, GLX_EXTENSIONS);
1028 const char *client_glx_extensions = glXGetClientString(display, GLX_EXTENSIONS);
1029 const char *gl_extensions = (const char *) glGetString(GL_EXTENSIONS);
1030 const char *gl_version = (const char *) glGetString(GL_VERSION);
1031 const char *glx_version = glXGetClientString(display, GLX_VERSION);
1032 int i;
1034 TRACE("GL version : %s.\n", debugstr_a(gl_version));
1035 TRACE("GL exts : %s.\n", debugstr_a(gl_extensions));
1036 TRACE("GLX exts : %s.\n", debugstr_a(glx_extensions));
1037 TRACE("Server GLX exts : %s.\n", debugstr_a(server_glx_extensions));
1038 TRACE("Client GLX exts : %s.\n", debugstr_a(client_glx_extensions));
1040 for (i = 0; i < (sizeof(extension_list) / sizeof(extension_list[0])); i++) {
1041 if (strstr(disabled_extensions, extension_list[i].name)) continue ; /* disabled by config, next */
1042 if (extension_list[i].query_function(proc,
1043 gl_version, gl_extensions,
1044 glx_version, glx_extensions,
1045 server_glx_extensions, client_glx_extensions)) {
1046 size += strlen(extension_list[i].name) + 1;
1050 /* For the moment, only 'base' extensions are supported. */
1051 WGL_extensions = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size + 1);
1052 if (WGL_extensions == NULL) {
1053 WGL_extensions = (char *) WGL_extensions_base;
1054 } else {
1055 strcpy(WGL_extensions, WGL_extensions_base);
1056 for (i = 0; i < (sizeof(extension_list) / sizeof(extension_list[0])); i++) {
1057 if (strstr(disabled_extensions, extension_list[i].name)) continue ; /* disabled by config, next */
1058 if (extension_list[i].query_function(proc,
1059 gl_version, gl_extensions,
1060 glx_version, glx_extensions,
1061 server_glx_extensions, client_glx_extensions)) {
1062 strcat(WGL_extensions, " ");
1063 strcat(WGL_extensions, extension_list[i].name);
1068 TRACE("Supporting following WGL extensions : %s.\n", debugstr_a(WGL_extensions));
1071 void wgl_ext_finalize_extensions(void)
1073 if (WGL_extensions != WGL_extensions_base) {
1074 HeapFree(GetProcessHeap(), 0, WGL_extensions);
1079 * Putting this at the end to prevent having to write the prototypes :-)
1081 * @WARNING: this list must be ordered by name
1083 * @TODO: real handle caps on providing some func_init functions (third param, ex: to check extensions)
1085 WGL_extension wgl_extension_registry[] = {
1086 { "wglBindTexImageARB", (void *) wglBindTexImageARB, NULL, NULL},
1087 { "wglChoosePixelFormatARB", (void *) wglChoosePixelFormatARB, NULL, NULL},
1088 { "wglCreatePbufferARB", (void *) wglCreatePbufferARB, NULL, NULL},
1089 { "wglDestroyPbufferARB", (void *) wglDestroyPbufferARB, NULL, NULL},
1090 { "wglGetCurrentReadDCARB", (void *) wglGetCurrentReadDCARB, NULL, NULL},
1091 { "wglGetExtensionsStringARB", (void *) wglGetExtensionsStringARB, NULL, NULL},
1092 { "wglGetExtensionsStringEXT", (void *) wglGetExtensionsStringEXT, NULL, NULL},
1093 { "wglGetPbufferDCARB", (void *) wglGetPbufferDCARB, NULL, NULL},
1094 { "wglGetPixelFormatAttribfvARB", (void *) wglGetPixelFormatAttribfvARB, NULL, NULL},
1095 { "wglGetPixelFormatAttribivARB", (void *) wglGetPixelFormatAttribivARB, NULL, NULL},
1096 { "wglGetSwapIntervalEXT", (void *) wglGetSwapIntervalEXT, NULL, NULL},
1097 { "wglMakeContextCurrentARB", (void *) wglMakeContextCurrentARB, NULL, NULL },
1098 { "wglQueryPbufferARB", (void *) wglQueryPbufferARB, NULL, NULL},
1099 { "wglReleasePbufferDCARB", (void *) wglReleasePbufferDCARB, NULL, NULL},
1100 { "wglReleaseTexImageARB", (void *) wglReleaseTexImageARB, NULL, NULL},
1101 { "wglSetPbufferAttribARB", (void *) wglSetPbufferAttribARB, NULL, NULL},
1102 { "wglSwapIntervalEXT", (void *) wglSwapIntervalEXT, NULL, NULL}
1104 int wgl_extension_registry_size = sizeof(wgl_extension_registry) / sizeof(wgl_extension_registry[0]);