2 * X11DRV OpenGL functions
4 * Copyright 2000 Lionel Ulmer
5 * Copyright 2005 Alex Woods
6 * Copyright 2005 Raphael Junqueira
7 * Copyright 2006 Roderick Colenbrander
8 * Copyright 2006 Tomas Carnecky
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include "wine/port.h"
34 #include "wine/library.h"
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(wgl);
38 WINE_DECLARE_DEBUG_CHANNEL(opengl);
52 #ifdef HAVE_GL_GLEXT_H
53 # include <GL/glext.h>
62 /* Redefines the constants */
63 #define CALLBACK __stdcall
64 #define WINAPI __stdcall
65 #define APIENTRY WINAPI
68 WINE_DECLARE_DEBUG_CHANNEL(fps);
70 typedef struct wine_glextension {
79 const char *glVersion;
80 const char *glExtensions;
84 const char *glxServerVersion;
85 const char *glxServerVendor;
86 const char *glxServerExtensions;
88 const char *glxClientVersion;
89 const char *glxClientVendor;
90 const char *glxClientExtensions;
92 const char *glxExtensions;
95 char wglExtensions[4096];
98 typedef struct wine_glpixelformat {
100 GLXFBConfig fbconfig;
106 typedef struct wine_glcontext {
109 WineGLPixelFormat *fmt;
112 X11DRV_PDEVICE *physDev;
113 X11DRV_PDEVICE *pReadDev;
116 BOOL scissor_enabled;
117 struct wine_glcontext *next;
118 struct wine_glcontext *prev;
121 typedef struct wine_glpbuffer {
124 WineGLPixelFormat* fmt;
130 int use_render_texture; /* This is also the internal texture format */
131 int texture_bind_target;
133 GLint texture_format;
134 GLuint texture_target;
140 static Wine_GLContext *context_list;
141 static struct WineGLInfo WineGLInfo = { 0 };
142 static int use_render_texture_emulation = 1;
143 static int use_render_texture_ati = 0;
144 static int swap_interval = 1;
146 #define MAX_EXTENSIONS 16
147 static const WineGLExtension *WineGLExtensionList[MAX_EXTENSIONS];
148 static int WineGLExtensionListSize;
150 static WineGLPixelFormat *WineGLPixelFormatList;
151 static int WineGLPixelFormatListSize = 0;
152 static int WineGLPixelFormatOnScreenSize = 0;
154 static void X11DRV_WineGL_LoadExtensions(void);
155 static BOOL glxRequireVersion(int requiredVersion);
156 static BOOL glxRequireExtension(const char *requiredExtension);
158 static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR *ppfd) {
159 TRACE(" - size / version : %d / %d\n", ppfd->nSize, ppfd->nVersion);
160 TRACE(" - dwFlags : ");
161 #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
162 TEST_AND_DUMP(ppfd->dwFlags, PFD_DEPTH_DONTCARE);
163 TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER);
164 TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER_DONTCARE);
165 TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_WINDOW);
166 TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_BITMAP);
167 TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_ACCELERATED);
168 TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_FORMAT);
169 TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_PALETTE);
170 TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_SYSTEM_PALETTE);
171 TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO);
172 TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO_DONTCARE);
173 TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_GDI);
174 TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_OPENGL);
175 TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_COPY);
176 TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_EXCHANGE);
177 TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_LAYER_BUFFERS);
178 /* PFD_SUPPORT_COMPOSITION is new in Vista, it is similar to composition
179 * under X e.g. COMPOSITE + GLX_EXT_TEXTURE_FROM_PIXMAP. */
180 TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_COMPOSITION);
184 TRACE(" - iPixelType : ");
185 switch (ppfd->iPixelType) {
186 case PFD_TYPE_RGBA: TRACE("PFD_TYPE_RGBA"); break;
187 case PFD_TYPE_COLORINDEX: TRACE("PFD_TYPE_COLORINDEX"); break;
191 TRACE(" - Color : %d\n", ppfd->cColorBits);
192 TRACE(" - Red : %d\n", ppfd->cRedBits);
193 TRACE(" - Green : %d\n", ppfd->cGreenBits);
194 TRACE(" - Blue : %d\n", ppfd->cBlueBits);
195 TRACE(" - Alpha : %d\n", ppfd->cAlphaBits);
196 TRACE(" - Accum : %d\n", ppfd->cAccumBits);
197 TRACE(" - Depth : %d\n", ppfd->cDepthBits);
198 TRACE(" - Stencil : %d\n", ppfd->cStencilBits);
199 TRACE(" - Aux : %d\n", ppfd->cAuxBuffers);
201 TRACE(" - iLayerType : ");
202 switch (ppfd->iLayerType) {
203 case PFD_MAIN_PLANE: TRACE("PFD_MAIN_PLANE"); break;
204 case PFD_OVERLAY_PLANE: TRACE("PFD_OVERLAY_PLANE"); break;
205 case (BYTE)PFD_UNDERLAY_PLANE: TRACE("PFD_UNDERLAY_PLANE"); break;
210 #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0)
211 #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0)
213 #define MAKE_FUNCPTR(f) static typeof(f) * p##f;
215 MAKE_FUNCPTR(glXChooseVisual)
216 MAKE_FUNCPTR(glXCreateContext)
217 MAKE_FUNCPTR(glXCreateGLXPixmap)
218 MAKE_FUNCPTR(glXGetCurrentContext)
219 MAKE_FUNCPTR(glXGetCurrentDrawable)
220 MAKE_FUNCPTR(glXDestroyContext)
221 MAKE_FUNCPTR(glXDestroyGLXPixmap)
222 MAKE_FUNCPTR(glXGetConfig)
223 MAKE_FUNCPTR(glXIsDirect)
224 MAKE_FUNCPTR(glXMakeCurrent)
225 MAKE_FUNCPTR(glXSwapBuffers)
226 MAKE_FUNCPTR(glXQueryExtension)
227 MAKE_FUNCPTR(glXQueryVersion)
228 MAKE_FUNCPTR(glXUseXFont)
231 MAKE_FUNCPTR(glXGetClientString)
232 MAKE_FUNCPTR(glXQueryExtensionsString)
233 MAKE_FUNCPTR(glXQueryServerString)
236 MAKE_FUNCPTR(glXGetFBConfigs)
237 MAKE_FUNCPTR(glXChooseFBConfig)
238 MAKE_FUNCPTR(glXCreatePbuffer)
239 MAKE_FUNCPTR(glXCreateNewContext)
240 MAKE_FUNCPTR(glXDestroyPbuffer)
241 MAKE_FUNCPTR(glXGetFBConfigAttrib)
242 MAKE_FUNCPTR(glXGetVisualFromFBConfig)
243 MAKE_FUNCPTR(glXMakeContextCurrent)
244 MAKE_FUNCPTR(glXQueryDrawable)
245 MAKE_FUNCPTR(glXGetCurrentReadDrawable)
248 static void* (*pglXGetProcAddressARB)(const GLubyte *);
249 static int (*pglXSwapIntervalSGI)(int);
251 /* ATI GLX Extensions */
252 static BOOL (*pglXBindTexImageATI)(Display *dpy, GLXPbuffer pbuffer, int buffer);
253 static BOOL (*pglXReleaseTexImageATI)(Display *dpy, GLXPbuffer pbuffer, int buffer);
254 static BOOL (*pglXDrawableAttribATI)(Display *dpy, GLXDrawable draw, const int *attribList);
256 /* NV GLX Extension */
257 static void* (*pglXAllocateMemoryNV)(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
258 static void (*pglXFreeMemoryNV)(GLvoid *pointer);
260 /* Standard OpenGL */
261 MAKE_FUNCPTR(glBindTexture)
262 MAKE_FUNCPTR(glBitmap)
263 MAKE_FUNCPTR(glCopyTexSubImage1D)
264 MAKE_FUNCPTR(glCopyTexImage2D)
265 MAKE_FUNCPTR(glCopyTexSubImage2D)
266 MAKE_FUNCPTR(glDisable)
267 MAKE_FUNCPTR(glDrawBuffer)
268 MAKE_FUNCPTR(glEnable)
269 MAKE_FUNCPTR(glEndList)
270 MAKE_FUNCPTR(glGetError)
271 MAKE_FUNCPTR(glGetIntegerv)
272 MAKE_FUNCPTR(glGetString)
273 MAKE_FUNCPTR(glIsEnabled)
274 MAKE_FUNCPTR(glNewList)
275 MAKE_FUNCPTR(glPixelStorei)
276 MAKE_FUNCPTR(glReadPixels)
277 MAKE_FUNCPTR(glScissor)
278 MAKE_FUNCPTR(glTexImage2D)
279 MAKE_FUNCPTR(glViewport)
282 static BOOL X11DRV_WineGL_InitOpenglInfo(void)
284 static BOOL infoInitialized = FALSE;
286 int screen = DefaultScreen(gdi_display);
287 Window win = RootWindow(gdi_display, screen);
289 XVisualInfo template;
292 GLXContext ctx = NULL;
296 infoInitialized = TRUE;
300 visual = DefaultVisual(gdi_display, screen);
301 template.visualid = XVisualIDFromVisual(visual);
302 vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
304 WORD old_fs = wine_get_fs();
305 /* Create a GLX Context. Without one we can't query GL information */
306 ctx = pglXCreateContext(gdi_display, vis, None, GL_TRUE);
307 if (wine_get_fs() != old_fs)
309 wine_set_fs( old_fs );
311 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
312 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
318 pglXMakeCurrent(gdi_display, win, ctx);
320 ERR(" couldn't initialize OpenGL, expect problems\n");
325 WineGLInfo.glVersion = (const char *) pglGetString(GL_VERSION);
326 WineGLInfo.glExtensions = strdup((const char *) pglGetString(GL_EXTENSIONS));
328 /* Get the common GLX version supported by GLX client and server ( major/minor) */
329 pglXQueryVersion(gdi_display, &WineGLInfo.glxVersion[0], &WineGLInfo.glxVersion[1]);
331 WineGLInfo.glxServerVersion = pglXQueryServerString(gdi_display, screen, GLX_VERSION);
332 WineGLInfo.glxServerVendor = pglXQueryServerString(gdi_display, screen, GLX_VENDOR);
333 WineGLInfo.glxServerExtensions = pglXQueryServerString(gdi_display, screen, GLX_EXTENSIONS);
335 WineGLInfo.glxClientVersion = pglXGetClientString(gdi_display, GLX_VERSION);
336 WineGLInfo.glxClientVendor = pglXGetClientString(gdi_display, GLX_VENDOR);
337 WineGLInfo.glxClientExtensions = pglXGetClientString(gdi_display, GLX_EXTENSIONS);
339 WineGLInfo.glxExtensions = pglXQueryExtensionsString(gdi_display, screen);
340 WineGLInfo.glxDirect = pglXIsDirect(gdi_display, ctx);
342 TRACE("GL version : %s.\n", WineGLInfo.glVersion);
343 TRACE("GL renderer : %s.\n", pglGetString(GL_RENDERER));
344 TRACE("GLX version : %d.%d.\n", WineGLInfo.glxVersion[0], WineGLInfo.glxVersion[1]);
345 TRACE("Server GLX version : %s.\n", WineGLInfo.glxServerVersion);
346 TRACE("Server GLX vendor: : %s.\n", WineGLInfo.glxServerVendor);
347 TRACE("Client GLX version : %s.\n", WineGLInfo.glxClientVersion);
348 TRACE("Client GLX vendor: : %s.\n", WineGLInfo.glxClientVendor);
349 TRACE("Direct rendering enabled: %s\n", WineGLInfo.glxDirect ? "True" : "False");
353 pglXMakeCurrent(gdi_display, None, NULL);
354 pglXDestroyContext(gdi_display, ctx);
360 static BOOL has_opengl(void)
362 static int init_done;
363 static void *opengl_handle;
365 int error_base, event_base;
367 if (init_done) return (opengl_handle != NULL);
370 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
371 and include all dependencies */
372 opengl_handle = wine_dlopen(SONAME_LIBGL, RTLD_NOW|RTLD_GLOBAL, NULL, 0);
373 if (opengl_handle == NULL) return FALSE;
375 pglXGetProcAddressARB = wine_dlsym(opengl_handle, "glXGetProcAddressARB", NULL, 0);
376 if (pglXGetProcAddressARB == NULL) {
377 ERR("could not find glXGetProcAddressARB in libGL.\n");
381 #define LOAD_FUNCPTR(f) if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) goto sym_not_found;
383 LOAD_FUNCPTR(glXChooseVisual)
384 LOAD_FUNCPTR(glXCreateContext)
385 LOAD_FUNCPTR(glXCreateGLXPixmap)
386 LOAD_FUNCPTR(glXGetCurrentContext)
387 LOAD_FUNCPTR(glXGetCurrentDrawable)
388 LOAD_FUNCPTR(glXDestroyContext)
389 LOAD_FUNCPTR(glXDestroyGLXPixmap)
390 LOAD_FUNCPTR(glXGetConfig)
391 LOAD_FUNCPTR(glXIsDirect)
392 LOAD_FUNCPTR(glXMakeCurrent)
393 LOAD_FUNCPTR(glXSwapBuffers)
394 LOAD_FUNCPTR(glXQueryExtension)
395 LOAD_FUNCPTR(glXQueryVersion)
396 LOAD_FUNCPTR(glXUseXFont)
399 LOAD_FUNCPTR(glXGetClientString)
400 LOAD_FUNCPTR(glXQueryExtensionsString)
401 LOAD_FUNCPTR(glXQueryServerString)
404 LOAD_FUNCPTR(glXCreatePbuffer)
405 LOAD_FUNCPTR(glXCreateNewContext)
406 LOAD_FUNCPTR(glXDestroyPbuffer)
407 LOAD_FUNCPTR(glXMakeContextCurrent)
408 LOAD_FUNCPTR(glXGetCurrentReadDrawable)
409 LOAD_FUNCPTR(glXGetFBConfigs)
411 /* Standard OpenGL calls */
412 LOAD_FUNCPTR(glBindTexture)
413 LOAD_FUNCPTR(glBitmap)
414 LOAD_FUNCPTR(glCopyTexSubImage1D)
415 LOAD_FUNCPTR(glCopyTexImage2D)
416 LOAD_FUNCPTR(glCopyTexSubImage2D)
417 LOAD_FUNCPTR(glDisable)
418 LOAD_FUNCPTR(glDrawBuffer)
419 LOAD_FUNCPTR(glEnable)
420 LOAD_FUNCPTR(glEndList)
421 LOAD_FUNCPTR(glGetError)
422 LOAD_FUNCPTR(glGetIntegerv)
423 LOAD_FUNCPTR(glGetString)
424 LOAD_FUNCPTR(glIsEnabled)
425 LOAD_FUNCPTR(glNewList)
426 LOAD_FUNCPTR(glPixelStorei)
427 LOAD_FUNCPTR(glReadPixels)
428 LOAD_FUNCPTR(glScissor)
429 LOAD_FUNCPTR(glTexImage2D)
430 LOAD_FUNCPTR(glViewport)
433 /* It doesn't matter if these fail. They'll only be used if the driver reports
434 the associated extension is available (and if a driver reports the extension
435 is available but fails to provide the functions, it's quite broken) */
436 #define LOAD_FUNCPTR(f) p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f);
437 /* NV GLX Extension */
438 LOAD_FUNCPTR(glXAllocateMemoryNV)
439 LOAD_FUNCPTR(glXFreeMemoryNV)
442 if(!X11DRV_WineGL_InitOpenglInfo()) {
443 wine_dlclose(opengl_handle, NULL, 0);
444 opengl_handle = NULL;
449 if (pglXQueryExtension(gdi_display, &error_base, &event_base) == True) {
450 TRACE("GLX is up and running error_base = %d\n", error_base);
452 wine_dlclose(opengl_handle, NULL, 0);
453 opengl_handle = NULL;
456 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
457 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
460 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
461 * depends on the reported GLX client / server version and on the client / server extension list.
462 * Those don't have to be the same.
464 * In general the server GLX information lists the capabilities in case of indirect rendering.
465 * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are
466 * available and in that case the client GLX informat can be used.
467 * OpenGL programs should use the 'intersection' of both sets of information which is advertised
468 * in the GLX version/extension list. When a program does this it works for certain for both
469 * direct and indirect rendering.
471 * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason
472 * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client
473 * extension list which causes this extension not to be listed. (Wine requires this extension).
474 * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among
475 * pbuffers is around.
477 * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect
478 * the ATI drivers and from then on use GLX client information for them.
481 if(glxRequireVersion(3)) {
482 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig");
483 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib");
484 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig");
485 pglXQueryDrawable = (void*)pglXGetProcAddressARB((const GLubyte *) "glXQueryDrawable");
486 } else if(glxRequireExtension("GLX_SGIX_fbconfig")) {
487 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfigSGIX");
488 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttribSGIX");
489 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfigSGIX");
491 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
492 * enable this function when the Xserver understand GLX 1.3 or newer
494 pglXQueryDrawable = NULL;
495 } else if(strcmp("ATI", WineGLInfo.glxClientVendor) == 0) {
496 TRACE("Overriding ATI GLX capabilities!\n");
497 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig");
498 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib");
499 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig");
500 pglXQueryDrawable = (void*)pglXGetProcAddressARB((const GLubyte *) "glXQueryDrawable");
502 /* Use client GLX information in case of the ATI drivers. We override the
503 * capabilities over here and not somewhere else as ATI might better their
504 * life in the future. In case they release proper drivers this block of
505 * code won't be called. */
506 WineGLInfo.glxExtensions = WineGLInfo.glxClientExtensions;
508 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", WineGLInfo.glxServerVersion);
511 if(glxRequireExtension("GLX_ATI_render_texture")) {
512 use_render_texture_ati = 1;
513 pglXBindTexImageATI = (void*)pglXGetProcAddressARB((const GLubyte *) "glXBindTexImageATI");
514 pglXReleaseTexImageATI = (void*)pglXGetProcAddressARB((const GLubyte *) "glXReleaseTexImageATI");
515 pglXDrawableAttribATI = (void*)pglXGetProcAddressARB((const GLubyte *) "glXDrawableAttribATI");
518 X11DRV_WineGL_LoadExtensions();
521 return (opengl_handle != NULL);
524 wine_dlclose(opengl_handle, NULL, 0);
525 opengl_handle = NULL;
529 static inline Wine_GLContext *alloc_context(void)
533 if ((ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLContext))))
535 ret->next = context_list;
536 if (context_list) context_list->prev = ret;
542 static inline void free_context(Wine_GLContext *context)
544 if (context->next != NULL) context->next->prev = context->prev;
545 if (context->prev != NULL) context->prev->next = context->next;
546 else context_list = context->next;
548 if (context->vis) XFree(context->vis);
549 HeapFree(GetProcessHeap(), 0, context);
552 static inline BOOL is_valid_context( Wine_GLContext *ctx )
555 for (ptr = context_list; ptr; ptr = ptr->next) if (ptr == ctx) break;
556 return (ptr != NULL);
559 static int describeContext(Wine_GLContext* ctx) {
562 TRACE(" Context %p have (vis:%p):\n", ctx, ctx->vis);
563 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_FBCONFIG_ID, &tmp);
564 TRACE(" - FBCONFIG_ID 0x%x\n", tmp);
565 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_VISUAL_ID, &tmp);
566 TRACE(" - VISUAL_ID 0x%x\n", tmp);
571 static int describeDrawable(Wine_GLContext* ctx, Drawable drawable) {
574 int attribList[3] = { GLX_FBCONFIG_ID, 0, None };
577 if (pglXQueryDrawable == NULL) {
578 /** glXQueryDrawable not available so returns not supported */
582 TRACE(" Drawable %p have :\n", (void*) drawable);
583 pglXQueryDrawable(gdi_display, drawable, GLX_WIDTH, (unsigned int*) &tmp);
584 TRACE(" - WIDTH as %d\n", tmp);
585 pglXQueryDrawable(gdi_display, drawable, GLX_HEIGHT, (unsigned int*) &tmp);
586 TRACE(" - HEIGHT as %d\n", tmp);
587 pglXQueryDrawable(gdi_display, drawable, GLX_FBCONFIG_ID, (unsigned int*) &tmp);
588 TRACE(" - FBCONFIG_ID as 0x%x\n", tmp);
591 fbCfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribList, &nElements);
592 if (fbCfgs == NULL) {
596 pglXGetFBConfigAttrib(gdi_display, fbCfgs[0], GLX_VISUAL_ID, &tmp);
597 TRACE(" - VISUAL_ID as 0x%x\n", tmp);
604 static int ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, Wine_GLPBuffer* pbuf) {
609 int nvfloatattrib = GLX_DONT_CARE;
612 /* The list of WGL attributes is allowed to be NULL. We don't return here for NULL
613 * because we need to do fixups for GLX_DRAWABLE_TYPE/GLX_RENDER_TYPE/GLX_FLOAT_COMPONENTS_NV. */
614 while (iWGLAttr && 0 != iWGLAttr[cur]) {
615 TRACE("pAttr[%d] = %x\n", cur, iWGLAttr[cur]);
617 switch (iWGLAttr[cur]) {
618 case WGL_COLOR_BITS_ARB:
619 pop = iWGLAttr[++cur];
620 PUSH2(oGLXAttr, GLX_BUFFER_SIZE, pop);
621 TRACE("pAttr[%d] = GLX_BUFFER_SIZE: %d\n", cur, pop);
623 case WGL_BLUE_BITS_ARB:
624 pop = iWGLAttr[++cur];
625 PUSH2(oGLXAttr, GLX_BLUE_SIZE, pop);
626 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur, pop);
628 case WGL_RED_BITS_ARB:
629 pop = iWGLAttr[++cur];
630 PUSH2(oGLXAttr, GLX_RED_SIZE, pop);
631 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur, pop);
633 case WGL_GREEN_BITS_ARB:
634 pop = iWGLAttr[++cur];
635 PUSH2(oGLXAttr, GLX_GREEN_SIZE, pop);
636 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur, pop);
638 case WGL_ALPHA_BITS_ARB:
639 pop = iWGLAttr[++cur];
640 PUSH2(oGLXAttr, GLX_ALPHA_SIZE, pop);
641 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur, pop);
643 case WGL_DEPTH_BITS_ARB:
644 pop = iWGLAttr[++cur];
645 PUSH2(oGLXAttr, GLX_DEPTH_SIZE, pop);
646 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur, pop);
648 case WGL_STENCIL_BITS_ARB:
649 pop = iWGLAttr[++cur];
650 PUSH2(oGLXAttr, GLX_STENCIL_SIZE, pop);
651 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur, pop);
653 case WGL_DOUBLE_BUFFER_ARB:
654 pop = iWGLAttr[++cur];
655 PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, pop);
656 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur, pop);
659 case WGL_PIXEL_TYPE_ARB:
660 pop = iWGLAttr[++cur];
661 TRACE("pAttr[%d] = WGL_PIXEL_TYPE_ARB: %d\n", cur, pop);
663 case WGL_TYPE_COLORINDEX_ARB: pixelattrib = GLX_COLOR_INDEX_BIT; break ;
664 case WGL_TYPE_RGBA_ARB: pixelattrib = GLX_RGBA_BIT; break ;
665 /* This is the same as WGL_TYPE_RGBA_FLOAT_ATI but the GLX constants differ, only the ARB GLX one is widely supported so use that */
666 case WGL_TYPE_RGBA_FLOAT_ATI: pixelattrib = GLX_RGBA_FLOAT_BIT; break ;
668 ERR("unexpected PixelType(%x)\n", pop);
673 case WGL_SUPPORT_GDI_ARB:
674 pop = iWGLAttr[++cur];
675 PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
676 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur, pop);
679 case WGL_DRAW_TO_BITMAP_ARB:
680 pop = iWGLAttr[++cur];
681 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur, pop);
682 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
684 drawattrib |= GLX_PIXMAP_BIT;
688 case WGL_DRAW_TO_WINDOW_ARB:
689 pop = iWGLAttr[++cur];
690 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur, pop);
691 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
693 drawattrib |= GLX_WINDOW_BIT;
697 case WGL_DRAW_TO_PBUFFER_ARB:
698 pop = iWGLAttr[++cur];
699 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur, pop);
700 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
702 drawattrib |= GLX_PBUFFER_BIT;
706 case WGL_ACCELERATION_ARB:
707 case WGL_SUPPORT_OPENGL_ARB:
708 pop = iWGLAttr[++cur];
709 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
710 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur, pop);
713 case WGL_PBUFFER_LARGEST_ARB:
714 pop = iWGLAttr[++cur];
715 PUSH2(oGLXAttr, GLX_LARGEST_PBUFFER, pop);
716 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur, pop);
719 case WGL_SAMPLE_BUFFERS_ARB:
720 pop = iWGLAttr[++cur];
721 PUSH2(oGLXAttr, GLX_SAMPLE_BUFFERS_ARB, pop);
722 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur, pop);
725 case WGL_SAMPLES_ARB:
726 pop = iWGLAttr[++cur];
727 PUSH2(oGLXAttr, GLX_SAMPLES_ARB, pop);
728 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur, pop);
731 case WGL_TEXTURE_FORMAT_ARB:
732 case WGL_TEXTURE_TARGET_ARB:
733 case WGL_MIPMAP_TEXTURE_ARB:
734 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr[cur], iWGLAttr[cur + 1]);
735 pop = iWGLAttr[++cur];
737 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr[cur]);
739 if (use_render_texture_ati) {
740 /** nothing to do here */
742 else if (!use_render_texture_emulation) {
743 if (WGL_NO_TEXTURE_ARB != pop) {
744 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr[cur]);
745 return -1; /** error: don't support it */
747 PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
748 drawattrib |= GLX_PBUFFER_BIT;
752 case WGL_FLOAT_COMPONENTS_NV:
753 nvfloatattrib = iWGLAttr[++cur];
754 TRACE("pAttr[%d] = WGL_FLOAT_COMPONENTS_NV: %x\n", cur, nvfloatattrib);
756 case WGL_BIND_TO_TEXTURE_RGB_ARB:
757 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
758 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV:
759 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV:
760 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV:
761 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV:
762 pop = iWGLAttr[++cur];
763 /** cannot be converted, see direct handling on
764 * - wglGetPixelFormatAttribivARB
765 * TODO: wglChoosePixelFormat
770 FIXME("unsupported %x WGL Attribute\n", iWGLAttr[cur]);
776 /* Apply the OR'd drawable type bitmask now EVEN when WGL_DRAW_TO* is unset.
777 * It is needed in all cases because GLX_DRAWABLE_TYPE default to GLX_WINDOW_BIT. */
778 PUSH2(oGLXAttr, GLX_DRAWABLE_TYPE, drawattrib);
779 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib);
781 /* Set GLX_RENDER_TYPE all the time */
782 PUSH2(oGLXAttr, GLX_RENDER_TYPE, pixelattrib);
783 TRACE("pAttr[?] = GLX_RENDER_TYPE: %#x\n", pixelattrib);
785 /* Set GLX_FLOAT_COMPONENTS_NV all the time */
786 if(strstr(WineGLInfo.glxExtensions, "GLX_NV_float_buffer")) {
787 PUSH2(oGLXAttr, GLX_FLOAT_COMPONENTS_NV, nvfloatattrib);
788 TRACE("pAttr[?] = GLX_FLOAT_COMPONENTS_NV: %#x\n", nvfloatattrib);
794 static int get_render_type_from_fbconfig(Display *display, GLXFBConfig fbconfig)
796 int render_type=0, render_type_bit;
797 pglXGetFBConfigAttrib(display, fbconfig, GLX_RENDER_TYPE, &render_type_bit);
798 switch(render_type_bit)
801 render_type = GLX_RGBA_TYPE;
803 case GLX_COLOR_INDEX_BIT:
804 render_type = GLX_COLOR_INDEX_TYPE;
806 case GLX_RGBA_FLOAT_BIT:
807 render_type = GLX_RGBA_FLOAT_TYPE;
810 ERR("Unknown render_type: %x\n", render_type);
815 static BOOL init_formats(Display *display, int screen, Visual *visual)
817 int fmt_id, tmp_fmt_id, nCfgs, i;
819 GLXFBConfig fbconfig = NULL;
820 XVisualInfo *visinfo;
821 VisualID visualid = XVisualIDFromVisual(visual);
822 int nOffscreenFormats = 0;
824 /* As mentioned in various parts of the code only the format of the main visual can be used for onscreen rendering.
825 * Next to this format there are also so called offscreen rendering formats (used for pbuffers) which can be supported
826 * because they don't need a visual. Below we use glXGetFBConfigs instead of glXChooseFBConfig to enumerate the fb configurations
827 * because this call lists both types of formats instead of only onscreen ones. */
828 cfgs = pglXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
829 if (NULL == cfgs || 0 == nCfgs) {
830 ERR("glXChooseFBConfig returns NULL\n");
831 if(cfgs != NULL) XFree(cfgs);
835 /* Count the number of offscreen formats to determine the size for our pixelformat list */
836 for(i=0; i<nCfgs; i++) {
837 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &tmp_fmt_id);
839 visinfo = pglXGetVisualFromFBConfig(display, cfgs[i]);
840 /* Onscreen formats have a corresponding XVisual, offscreen ones don't */
843 } else if(visinfo && visinfo->visualid == visualid) {
844 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &fmt_id);
849 TRACE("Number of offscreen formats: %d\n", nOffscreenFormats);
851 /* Allocate memory for all the offscreen pixelformats and the format of Wine's main visual */
852 WineGLPixelFormatList = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (1+nOffscreenFormats)*sizeof(WineGLPixelFormat));
853 WineGLPixelFormatList[0].iPixelFormat = 1;
854 WineGLPixelFormatList[0].fbconfig = fbconfig;
855 WineGLPixelFormatList[0].fmt_id = fmt_id;
856 WineGLPixelFormatList[0].render_type = get_render_type_from_fbconfig(display, fbconfig);
857 WineGLPixelFormatList[0].offscreenOnly = FALSE;
858 WineGLPixelFormatListSize = 1;
859 WineGLPixelFormatOnScreenSize = 1;
861 /* Fill the list with offscreen formats */
862 for(i=0; i<nCfgs; i++) {
863 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &tmp_fmt_id);
865 visinfo = pglXGetVisualFromFBConfig(display, cfgs[i]);
866 /* We have found an offscreen rendering format when there is no visualinfo :) */
868 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", tmp_fmt_id, WineGLPixelFormatListSize+1, i);
869 WineGLPixelFormatList[WineGLPixelFormatListSize].iPixelFormat = WineGLPixelFormatListSize+1; /* The index starts at 1 */
870 WineGLPixelFormatList[WineGLPixelFormatListSize].fbconfig = cfgs[i];
871 WineGLPixelFormatList[WineGLPixelFormatListSize].fmt_id = tmp_fmt_id;
872 WineGLPixelFormatList[WineGLPixelFormatListSize].render_type = get_render_type_from_fbconfig(display, cfgs[i]);
873 WineGLPixelFormatList[WineGLPixelFormatListSize].offscreenOnly = TRUE;
874 WineGLPixelFormatListSize++;
880 if(cfgs != NULL) XFree(cfgs);
885 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
886 * In our WGL implementation we only support a subset of these formats namely the format of
887 * Wine's main visual and offscreen formats (if they are available).
888 * This function converts a WGL format to its corresponding GLX one. It returns a WineGLPixelFormat
889 * and it returns the number of supported WGL formats in fmt_count.
891 static WineGLPixelFormat* ConvertPixelFormatWGLtoGLX(Display *display, int iPixelFormat, BOOL AllowOffscreen, int *fmt_count)
893 WineGLPixelFormat *res = NULL;
895 /* Init the list of pixel formats when we need it */
896 if(!WineGLPixelFormatListSize)
897 init_formats(display, DefaultScreen(display), visual);
899 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
900 * iPixelFormat in case of probing the number of pixelformats.
902 if((iPixelFormat > 0) && (iPixelFormat <= WineGLPixelFormatListSize) &&
903 ((WineGLPixelFormatList[iPixelFormat-1].offscreenOnly == FALSE) ||
905 res = &WineGLPixelFormatList[iPixelFormat-1];
906 TRACE("Returning FBConfig=%p for iPixelFormat=%d\n", res->fbconfig, iPixelFormat);
910 *fmt_count = WineGLPixelFormatListSize;
912 *fmt_count = WineGLPixelFormatOnScreenSize;
914 TRACE("Number of returned pixelformats=%d\n", *fmt_count);
919 /* Search our internal pixelformat list for the WGL format corresponding to the given fbconfig */
920 static WineGLPixelFormat* ConvertPixelFormatGLXtoWGL(Display *display, int fmt_id)
924 /* Init the list of pixel formats when we need it */
925 if(!WineGLPixelFormatListSize)
926 init_formats(display, DefaultScreen(display), visual);
928 for(i=0; i<WineGLPixelFormatListSize; i++) {
929 if(WineGLPixelFormatList[i].fmt_id == fmt_id) {
930 TRACE("Returning iPixelFormat %d for fmt_id 0x%x\n", WineGLPixelFormatList[i].iPixelFormat, fmt_id);
931 return &WineGLPixelFormatList[i];
934 TRACE("No compatible format found for fmt_id 0x%x\n", fmt_id);
938 int pixelformat_from_fbconfig_id(XID fbconfig_id)
940 WineGLPixelFormat *fmt;
942 if (!fbconfig_id) return 0;
944 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fbconfig_id);
946 return fmt->iPixelFormat;
947 /* This will happen on hwnds without a pixel format set; it's ok */
953 * X11DRV_ChoosePixelFormat
955 * Equivalent to glXChooseVisual.
957 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
958 const PIXELFORMATDESCRIPTOR *ppfd) {
959 WineGLPixelFormat *fmt = NULL;
965 int bestDBuffer = -1;
970 int bestStencil = -1;
975 ERR("No libGL on this box - disabling OpenGL support !\n");
979 if (TRACE_ON(opengl)) {
980 TRACE("(%p,%p)\n", physDev, ppfd);
982 dump_PIXELFORMATDESCRIPTOR((const PIXELFORMATDESCRIPTOR *) ppfd);
986 ConvertPixelFormatWGLtoGLX(gdi_display, 0, FALSE /* offscreen */, &nPixelFormats);
987 for(i=0; i<nPixelFormats; i++)
991 int alpha=0, color=0, depth=0, stencil=0, aux=0;
993 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, i+1 /* 1-based index */, FALSE /* offscreen */, &value);
997 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RENDER_TYPE, &value);
998 if (value & GLX_RGBA_BIT)
999 iPixelType = PFD_TYPE_RGBA;
1001 iPixelType = PFD_TYPE_COLORINDEX;
1003 if (ppfd->iPixelType != iPixelType)
1005 TRACE("pixel type mismatch for iPixelFormat=%d\n", i+1);
1009 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &value);
1010 if (value) dwFlags |= PFD_DOUBLEBUFFER;
1011 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STEREO, &value);
1012 if (value) dwFlags |= PFD_STEREO;
1013 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BUFFER_SIZE, &color); /* cColorBits */
1014 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &alpha); /* cAlphaBits */
1015 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DEPTH_SIZE, &depth); /* cDepthBits */
1016 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STENCIL_SIZE, &stencil); /* cStencilBits */
1017 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_AUX_BUFFERS, &aux); /* cAuxBuffers */
1019 /* The behavior of PDF_STEREO/PFD_STEREO_DONTCARE and PFD_DOUBLEBUFFER / PFD_DOUBLEBUFFER_DONTCARE
1020 * is not very clear on MSDN. They specify that ChoosePixelFormat tries to match pixel formats
1021 * with the flag (PFD_STEREO / PFD_DOUBLEBUFFERING) set. Otherwise it says that it tries to match
1022 * formats without the given flag set.
1023 * A test on Windows using a Radeon 9500pro on WinXP (the driver doesn't support Stereo)
1024 * has indicated that a format without stereo is returned when stereo is unavailable.
1025 * So in case PFD_STEREO is set, formats that support it should have priority above formats
1026 * without. In case PFD_STEREO_DONTCARE is set, stereo is ignored.
1028 * To summarize the following is most likely the correct behavior:
1029 * stereo not set -> prefer no-stereo formats, else also accept stereo formats
1030 * stereo set -> prefer stereo formats, else also accept no-stereo formats
1031 * stereo don't care -> it doesn't matter whether we get stereo or not
1033 * In Wine we will treat no-stereo the same way as don't care because it makes
1034 * format selection even more complicated and second drivers with Stereo advertise
1035 * each format twice anyway.
1038 /* Doublebuffer, see the comments above */
1039 if( !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) ) {
1040 if( ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != bestDBuffer) &&
1041 ((dwFlags & PFD_DOUBLEBUFFER) == (ppfd->dwFlags & PFD_DOUBLEBUFFER)) )
1043 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1044 bestStereo = dwFlags & PFD_STEREO;
1048 bestStencil = stencil;
1053 if(bestDBuffer != -1 && (dwFlags & PFD_DOUBLEBUFFER) != bestDBuffer)
1057 /* Stereo, see the comments above. */
1058 if( !(ppfd->dwFlags & PFD_STEREO_DONTCARE) ) {
1059 if( ((ppfd->dwFlags & PFD_STEREO) != bestStereo) &&
1060 ((dwFlags & PFD_STEREO) == (ppfd->dwFlags & PFD_STEREO)) )
1062 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1063 bestStereo = dwFlags & PFD_STEREO;
1067 bestStencil = stencil;
1072 if(bestStereo != -1 && (dwFlags & PFD_STEREO) != bestStereo)
1076 /* Below we will do a number of checks to select the 'best' pixelformat.
1077 * We assume the precedence cColorBits > cAlphaBits > cDepthBits > cStencilBits -> cAuxBuffers.
1078 * The code works by trying to match the most important options as close as possible.
1079 * When a reasonable format is found, we will try to match more options. */
1082 if( ((ppfd->cColorBits > bestColor) && (color > bestColor)) ||
1083 ((color >= ppfd->cColorBits) && (color < bestColor)) )
1085 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1086 bestStereo = dwFlags & PFD_STEREO;
1090 bestStencil = stencil;
1094 } else if(bestColor != color) { /* Do further checks if the format is compatible */
1095 TRACE("color mismatch for iPixelFormat=%d\n", i+1);
1100 if( ((ppfd->cAlphaBits > bestAlpha) && (alpha > bestAlpha)) ||
1101 ((alpha >= ppfd->cAlphaBits) && (alpha < bestAlpha)) )
1103 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1104 bestStereo = dwFlags & PFD_STEREO;
1108 bestStencil = stencil;
1112 } else if(bestAlpha != alpha) {
1113 TRACE("alpha mismatch for iPixelFormat=%d\n", i+1);
1118 if( ((ppfd->cDepthBits > bestDepth) && (depth > bestDepth)) ||
1119 ((depth >= ppfd->cDepthBits) && (depth < bestDepth)) )
1121 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1122 bestStereo = dwFlags & PFD_STEREO;
1126 bestStencil = stencil;
1130 } else if(bestDepth != depth) {
1131 TRACE("depth mismatch for iPixelFormat=%d\n", i+1);
1136 if( ((ppfd->cStencilBits > bestStencil) && (stencil > bestStencil)) ||
1137 ((stencil >= ppfd->cStencilBits) && (stencil < bestStencil)) )
1139 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1140 bestStereo = dwFlags & PFD_STEREO;
1144 bestStencil = stencil;
1148 } else if(bestStencil != stencil) {
1149 TRACE("stencil mismatch for iPixelFormat=%d\n", i+1);
1154 if( ((ppfd->cAuxBuffers > bestAux) && (aux > bestAux)) ||
1155 ((aux >= ppfd->cAuxBuffers) && (aux < bestAux)) )
1157 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1158 bestStereo = dwFlags & PFD_STEREO;
1162 bestStencil = stencil;
1166 } else if(bestAux != aux) {
1167 TRACE("aux mismatch for iPixelFormat=%d\n", i+1);
1172 if(bestFormat == -1) {
1173 TRACE("No matching mode was found returning 0\n");
1177 ret = bestFormat+1; /* the return value should be a 1-based index */
1178 TRACE("Successfully found a matching mode, returning index: %d %x\n", ret, WineGLPixelFormatList[bestFormat].fmt_id);
1181 wine_tsx11_unlock();
1186 * X11DRV_DescribePixelFormat
1188 * Get the pixel-format descriptor associated to the given id
1190 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
1193 PIXELFORMATDESCRIPTOR *ppfd) {
1194 /*XVisualInfo *vis;*/
1197 WineGLPixelFormat *fmt;
1201 if (!has_opengl()) {
1202 ERR("No libGL on this box - disabling OpenGL support !\n");
1206 TRACE("(%p,%d,%d,%p)\n", physDev, iPixelFormat, nBytes, ppfd);
1208 /* Look for the iPixelFormat in our list of supported formats. If it is supported we get the index in the FBConfig table and the number of supported formats back */
1209 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &fmt_count);
1211 /* The application is only querying the number of pixelformats */
1213 } else if(fmt == NULL) {
1214 WARN("unexpected iPixelFormat(%d): not >=1 and <=nFormats(%d), returning NULL!\n", iPixelFormat, fmt_count);
1218 if (nBytes < sizeof(PIXELFORMATDESCRIPTOR)) {
1219 ERR("Wrong structure size !\n");
1220 /* Should set error */
1226 memset(ppfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
1227 ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
1230 /* These flags are always the same... */
1231 ppfd->dwFlags = PFD_SUPPORT_OPENGL;
1232 /* Now the flags extracted from the Visual */
1236 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_X_RENDERABLE, &value);
1238 ppfd->dwFlags |= PFD_SUPPORT_GDI;
1240 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1241 if(value & GLX_WINDOW_BIT)
1242 ppfd->dwFlags |= PFD_DRAW_TO_WINDOW;
1243 if(value & GLX_PIXMAP_BIT)
1244 ppfd->dwFlags |= PFD_DRAW_TO_BITMAP;
1246 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_CONFIG_CAVEAT, &value);
1247 if(value == GLX_SLOW_CONFIG)
1248 ppfd->dwFlags |= PFD_GENERIC_ACCELERATED;
1250 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &value);
1252 ppfd->dwFlags |= PFD_DOUBLEBUFFER;
1253 ppfd->dwFlags &= ~PFD_SUPPORT_GDI;
1255 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STEREO, &value); if (value) ppfd->dwFlags |= PFD_STEREO;
1258 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RENDER_TYPE, &value);
1259 if (value & GLX_RGBA_BIT)
1260 ppfd->iPixelType = PFD_TYPE_RGBA;
1262 ppfd->iPixelType = PFD_TYPE_COLORINDEX;
1265 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BUFFER_SIZE, &value);
1266 ppfd->cColorBits = value;
1268 /* Red, green, blue and alpha bits / shifts */
1269 if (ppfd->iPixelType == PFD_TYPE_RGBA) {
1270 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RED_SIZE, &rb);
1271 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_GREEN_SIZE, &gb);
1272 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BLUE_SIZE, &bb);
1273 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &ab);
1275 ppfd->cRedBits = rb;
1276 ppfd->cRedShift = gb + bb + ab;
1277 ppfd->cBlueBits = bb;
1278 ppfd->cBlueShift = ab;
1279 ppfd->cGreenBits = gb;
1280 ppfd->cGreenShift = bb + ab;
1281 ppfd->cAlphaBits = ab;
1282 ppfd->cAlphaShift = 0;
1285 ppfd->cRedShift = 0;
1286 ppfd->cBlueBits = 0;
1287 ppfd->cBlueShift = 0;
1288 ppfd->cGreenBits = 0;
1289 ppfd->cGreenShift = 0;
1290 ppfd->cAlphaBits = 0;
1291 ppfd->cAlphaShift = 0;
1294 /* Accum RGBA bits */
1295 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_RED_SIZE, &rb);
1296 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_GREEN_SIZE, &gb);
1297 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_BLUE_SIZE, &bb);
1298 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_ALPHA_SIZE, &ab);
1300 ppfd->cAccumBits = rb+gb+bb+ab;
1301 ppfd->cAccumRedBits = rb;
1302 ppfd->cAccumGreenBits = gb;
1303 ppfd->cAccumBlueBits = bb;
1304 ppfd->cAccumAlphaBits = ab;
1307 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DEPTH_SIZE, &value);
1308 ppfd->cDepthBits = value;
1311 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STENCIL_SIZE, &value);
1312 ppfd->cStencilBits = value;
1314 wine_tsx11_unlock();
1316 /* Aux : to do ... */
1318 ppfd->iLayerType = PFD_MAIN_PLANE;
1320 if (TRACE_ON(opengl)) {
1321 dump_PIXELFORMATDESCRIPTOR(ppfd);
1328 * X11DRV_GetPixelFormat
1330 * Get the pixel-format id used by this DC
1332 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
1333 WineGLPixelFormat *fmt;
1335 TRACE("(%p)\n", physDev);
1337 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, physDev->current_pf, TRUE, &tmp);
1340 /* This happens on HDCs on which SetPixelFormat wasn't called yet */
1341 ERR("Unable to find a WineGLPixelFormat for iPixelFormat=%d\n", physDev->current_pf);
1344 else if(fmt->offscreenOnly)
1346 /* Offscreen formats can't be used with traditional WGL calls.
1347 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1348 TRACE("Returning iPixelFormat=1 for offscreen format: %d\n", fmt->iPixelFormat);
1352 TRACE("(%p): returns %d\n", physDev, physDev->current_pf);
1353 return physDev->current_pf;
1357 * X11DRV_SetPixelFormat
1359 * Set the pixel-format id used by this DC
1361 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
1363 const PIXELFORMATDESCRIPTOR *ppfd) {
1364 WineGLPixelFormat *fmt;
1368 TRACE("(%p,%d,%p)\n", physDev, iPixelFormat, ppfd);
1370 if (!has_opengl()) {
1371 ERR("No libGL on this box - disabling OpenGL support !\n");
1375 /* SetPixelFormat is not allowed on the X root_window e.g. GetDC(0) */
1376 if(get_glxdrawable(physDev) == root_window)
1378 ERR("Invalid operation on root_window\n");
1382 /* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
1383 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &value);
1385 ERR("Invalid iPixelFormat: %d\n", iPixelFormat);
1389 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1391 hwnd = WindowFromDC(physDev->hdc);
1393 if(!(value&GLX_WINDOW_BIT)) {
1394 WARN("Pixel format %d is not compatible for window rendering\n", iPixelFormat);
1398 if(!SendMessageW(hwnd, WM_X11DRV_SET_WIN_FORMAT, (WPARAM)fmt->fmt_id, 0)) {
1399 ERR("Couldn't set format of the window, returning failure\n");
1404 physDev->current_pf = iPixelFormat;
1406 if (TRACE_ON(opengl)) {
1409 gl_test = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_FBCONFIG_ID, &value);
1411 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1413 TRACE(" FBConfig have :\n");
1414 TRACE(" - FBCONFIG_ID 0x%x\n", value);
1415 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_VISUAL_ID, &value);
1416 TRACE(" - VISUAL_ID 0x%x\n", value);
1417 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1418 TRACE(" - DRAWABLE_TYPE 0x%x\n", value);
1425 * X11DRV_wglCreateContext
1427 * For OpenGL32 wglCreateContext.
1429 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev)
1431 Wine_GLContext *ret;
1432 WineGLPixelFormat *fmt;
1433 int hdcPF = physDev->current_pf;
1435 HDC hdc = physDev->hdc;
1437 TRACE("(%p)->(PF:%d)\n", hdc, hdcPF);
1439 if (!has_opengl()) {
1440 ERR("No libGL on this box - disabling OpenGL support !\n");
1444 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, hdcPF, TRUE /* Offscreen */, &fmt_count);
1445 /* We can render using the iPixelFormat (1) of Wine's Main visual AND using some offscreen formats.
1446 * Note that standard WGL-calls don't recognize offscreen-only formats. For that reason pbuffers
1447 * use a sort of 'proxy' HDC (wglGetPbufferDCARB).
1448 * If this fails something is very wrong on the system. */
1450 ERR("Cannot get FB Config for iPixelFormat %d, expect problems!\n", hdcPF);
1451 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1455 /* The context will be allocated in the wglMakeCurrent call */
1457 ret = alloc_context();
1458 wine_tsx11_unlock();
1460 ret->physDev = physDev;
1464 ret->vis = pglXGetVisualFromFBConfig(gdi_display, fmt->fbconfig);
1466 TRACE(" creating context %p (GL context creation delayed)\n", ret);
1471 * X11DRV_wglDeleteContext
1473 * For OpenGL32 wglDeleteContext.
1475 BOOL X11DRV_wglDeleteContext(HGLRC hglrc)
1477 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1480 TRACE("(%p)\n", hglrc);
1482 if (!has_opengl()) {
1483 ERR("No libGL on this box - disabling OpenGL support !\n");
1488 /* A game (Half Life not to name it) deletes twice the same context,
1489 * so make sure it is valid first */
1490 if (is_valid_context( ctx ))
1492 if (ctx->ctx) pglXDestroyContext(gdi_display, ctx->ctx);
1497 WARN("Error deleting context !\n");
1498 SetLastError(ERROR_INVALID_HANDLE);
1501 wine_tsx11_unlock();
1507 * X11DRV_wglGetCurrentReadDCARB
1509 * For OpenGL32 wglGetCurrentReadDCARB.
1511 static HDC WINAPI X11DRV_wglGetCurrentReadDCARB(void)
1514 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
1515 X11DRV_PDEVICE *physDev = ctx ? ctx->pReadDev : NULL;
1520 TRACE(" returning %p (GL drawable %lu)\n", ret, physDev ? physDev->drawable : 0);
1525 * X11DRV_wglGetProcAddress
1527 * For OpenGL32 wglGetProcAddress.
1529 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc)
1532 const WineGLExtension *ext;
1534 int padding = 32 - strlen(lpszProc);
1538 if (!has_opengl()) {
1539 ERR("No libGL on this box - disabling OpenGL support !\n");
1543 /* Check the table of WGL extensions to see if we need to return a WGL extension
1544 * or a function pointer to a native OpenGL function. */
1545 if(strncmp(lpszProc, "wgl", 3) != 0) {
1546 return pglXGetProcAddressARB((const GLubyte*)lpszProc);
1548 TRACE("('%s'):%*s", lpszProc, padding, " ");
1549 for (i = 0; i < WineGLExtensionListSize; ++i) {
1550 ext = WineGLExtensionList[i];
1551 for (j = 0; ext->extEntryPoints[j].funcName; ++j) {
1552 if (strcmp(ext->extEntryPoints[j].funcName, lpszProc) == 0) {
1553 TRACE("(%p) - WineGL\n", ext->extEntryPoints[j].funcAddress);
1554 return ext->extEntryPoints[j].funcAddress;
1560 WARN("(%s) - not found\n", lpszProc);
1564 /***********************************************************************
1565 * sync_current_drawable
1567 * Adjust the current viewport and scissor in order to position
1568 * and size the current drawable correctly on the parent window.
1570 static void sync_current_drawable(BOOL updatedc)
1576 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1580 if (ctx && ctx->physDev)
1583 GetClipBox(ctx->physDev->hdc, &rc); /* Make sure physDev is up to date */
1585 dy = ctx->physDev->drawable_rect.bottom - ctx->physDev->drawable_rect.top -
1586 ctx->physDev->dc_rect.bottom;
1587 width = ctx->physDev->dc_rect.right - ctx->physDev->dc_rect.left;
1588 height = ctx->physDev->dc_rect.bottom - ctx->physDev->dc_rect.top;
1592 pglViewport(ctx->physDev->dc_rect.left + ctx->viewport.left,
1593 dy + ctx->viewport.top,
1594 ctx->viewport.right ? (ctx->viewport.right - ctx->viewport.left) : width,
1595 ctx->viewport.bottom ? (ctx->viewport.bottom - ctx->viewport.top) : height);
1597 pglEnable(GL_SCISSOR_TEST);
1599 if (ctx->scissor_enabled)
1600 pglScissor(ctx->physDev->dc_rect.left + min(width, max(0, ctx->scissor.left)),
1601 dy + min(height, max(0, ctx->scissor.top)),
1602 min(width, max(0, ctx->scissor.right - ctx->scissor.left)),
1603 min(height, max(0, ctx->scissor.bottom - ctx->scissor.top)));
1605 pglScissor(ctx->physDev->dc_rect.left, dy, width, height);
1607 wine_tsx11_unlock();
1612 * X11DRV_wglMakeCurrent
1614 * For OpenGL32 wglMakeCurrent.
1616 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
1618 HDC hdc = physDev->hdc;
1619 DWORD type = GetObjectType(hdc);
1621 TRACE("(%p,%p)\n", hdc, hglrc);
1623 if (!has_opengl()) {
1624 ERR("No libGL on this box - disabling OpenGL support !\n");
1629 if (hglrc == NULL) {
1630 ret = pglXMakeCurrent(gdi_display, None, NULL);
1631 NtCurrentTeb()->glContext = NULL;
1633 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1634 Drawable drawable = get_glxdrawable(physDev);
1635 if (ctx->ctx == NULL) {
1636 /* The describe lines below are for debugging purposes only */
1637 if (TRACE_ON(wgl)) {
1638 describeDrawable(ctx, drawable);
1639 describeContext(ctx);
1642 /* Create a GLX context using the same visual as chosen earlier in wglCreateContext.
1643 * We are certain that the drawable and context are compatible as we only allow compatible formats.
1645 TRACE(" Creating GLX Context\n");
1647 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, type == OBJ_MEMDC ? False : True);
1648 else /* Create a GLX Context for a pbuffer */
1649 ctx->ctx = pglXCreateNewContext(gdi_display, ctx->fmt->fbconfig, ctx->fmt->render_type, NULL, True);
1651 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1653 TRACE(" make current for dis %p, drawable %p, ctx %p\n", gdi_display, (void*) drawable, ctx->ctx);
1654 ret = pglXMakeCurrent(gdi_display, drawable, ctx->ctx);
1655 NtCurrentTeb()->glContext = ctx;
1659 ctx->physDev = physDev;
1660 ctx->pReadDev = physDev;
1662 if (type == OBJ_MEMDC)
1664 ctx->do_escape = TRUE;
1665 pglDrawBuffer(GL_FRONT_LEFT);
1669 sync_current_drawable(FALSE);
1673 wine_tsx11_unlock();
1674 TRACE(" returning %s\n", (ret ? "True" : "False"));
1679 * X11DRV_wglMakeContextCurrentARB
1681 * For OpenGL32 wglMakeContextCurrentARB
1683 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* pDrawDev, X11DRV_PDEVICE* pReadDev, HGLRC hglrc)
1686 TRACE("(%p,%p,%p)\n", pDrawDev, pReadDev, hglrc);
1688 if (!has_opengl()) {
1689 ERR("No libGL on this box - disabling OpenGL support !\n");
1694 if (hglrc == NULL) {
1695 ret = pglXMakeCurrent(gdi_display, None, NULL);
1696 NtCurrentTeb()->glContext = NULL;
1698 if (NULL == pglXMakeContextCurrent) {
1701 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1702 Drawable d_draw = get_glxdrawable(pDrawDev);
1703 Drawable d_read = get_glxdrawable(pReadDev);
1705 if (ctx->ctx == NULL) {
1706 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, GetObjectType(pDrawDev->hdc) == OBJ_MEMDC ? False : True);
1707 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1709 ctx->hdc = pDrawDev->hdc;
1710 ctx->physDev = pDrawDev;
1711 ctx->pReadDev = pReadDev;
1712 ret = pglXMakeContextCurrent(gdi_display, d_draw, d_read, ctx->ctx);
1713 NtCurrentTeb()->glContext = ctx;
1716 wine_tsx11_unlock();
1718 TRACE(" returning %s\n", (ret ? "True" : "False"));
1723 * X11DRV_wglShareLists
1725 * For OpenGL32 wglShaderLists.
1727 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
1728 Wine_GLContext *org = (Wine_GLContext *) hglrc1;
1729 Wine_GLContext *dest = (Wine_GLContext *) hglrc2;
1731 TRACE("(%p, %p)\n", org, dest);
1733 if (!has_opengl()) {
1734 ERR("No libGL on this box - disabling OpenGL support !\n");
1738 if (NULL != dest && dest->ctx != NULL) {
1739 ERR("Could not share display lists, context already created !\n");
1742 if (org->ctx == NULL) {
1744 describeContext(org);
1747 org->ctx = pglXCreateContext(gdi_display, org->vis, NULL, GetObjectType(org->hdc) == OBJ_MEMDC ? False : True);
1748 else /* Create a GLX Context for a pbuffer */
1749 org->ctx = pglXCreateNewContext(gdi_display, org->fmt->fbconfig, org->fmt->render_type, NULL, True);
1750 wine_tsx11_unlock();
1751 TRACE(" created a delayed OpenGL context (%p) for Wine context %p\n", org->ctx, org);
1755 describeContext(dest);
1756 /* Create the destination context with display lists shared */
1758 dest->ctx = pglXCreateContext(gdi_display, dest->vis, org->ctx, GetObjectType(org->hdc) == OBJ_MEMDC ? False : True);
1759 else /* Create a GLX Context for a pbuffer */
1760 dest->ctx = pglXCreateNewContext(gdi_display, dest->fmt->fbconfig, dest->fmt->render_type, org->ctx, True);
1761 wine_tsx11_unlock();
1762 TRACE(" created a delayed OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest->ctx, dest, org->ctx);
1769 static BOOL internal_wglUseFontBitmaps(HDC hdc, DWORD first, DWORD count, DWORD listBase, DWORD (WINAPI *GetGlyphOutline_ptr)(HDC,UINT,UINT,LPGLYPHMETRICS,DWORD,LPVOID,const MAT2*))
1771 /* We are running using client-side rendering fonts... */
1775 void *bitmap = NULL, *gl_bitmap = NULL;
1779 pglGetIntegerv(GL_UNPACK_ALIGNMENT, &org_alignment);
1780 pglPixelStorei(GL_UNPACK_ALIGNMENT, 4);
1781 wine_tsx11_unlock();
1783 for (glyph = first; glyph < first + count; glyph++) {
1784 unsigned int needed_size = GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, 0, NULL, NULL);
1785 int height, width_int;
1787 TRACE("Glyph : %3d / List : %d\n", glyph, listBase);
1788 if (needed_size == GDI_ERROR) {
1789 TRACE(" - needed size : %d (GDI_ERROR)\n", needed_size);
1792 TRACE(" - needed size : %d\n", needed_size);
1795 if (needed_size > size) {
1797 HeapFree(GetProcessHeap(), 0, bitmap);
1798 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1799 bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1800 gl_bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1802 if (GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, size, bitmap, NULL) == GDI_ERROR) goto error;
1803 if (TRACE_ON(opengl)) {
1804 unsigned int height, width, bitmask;
1805 unsigned char *bitmap_ = (unsigned char *) bitmap;
1807 TRACE(" - bbox : %d x %d\n", gm.gmBlackBoxX, gm.gmBlackBoxY);
1808 TRACE(" - origin : (%d , %d)\n", gm.gmptGlyphOrigin.x, gm.gmptGlyphOrigin.y);
1809 TRACE(" - increment : %d - %d\n", gm.gmCellIncX, gm.gmCellIncY);
1810 if (needed_size != 0) {
1811 TRACE(" - bitmap :\n");
1812 for (height = 0; height < gm.gmBlackBoxY; height++) {
1814 for (width = 0, bitmask = 0x80; width < gm.gmBlackBoxX; width++, bitmask >>= 1) {
1819 if (*bitmap_ & bitmask)
1824 bitmap_ += (4 - ((UINT_PTR)bitmap_ & 0x03));
1830 /* In OpenGL, the bitmap is drawn from the bottom to the top... So we need to invert the
1831 * glyph for it to be drawn properly.
1833 if (needed_size != 0) {
1834 width_int = (gm.gmBlackBoxX + 31) / 32;
1835 for (height = 0; height < gm.gmBlackBoxY; height++) {
1837 for (width = 0; width < width_int; width++) {
1838 ((int *) gl_bitmap)[(gm.gmBlackBoxY - height - 1) * width_int + width] =
1839 ((int *) bitmap)[height * width_int + width];
1845 pglNewList(listBase++, GL_COMPILE);
1846 if (needed_size != 0) {
1847 pglBitmap(gm.gmBlackBoxX, gm.gmBlackBoxY,
1848 0 - (int) gm.gmptGlyphOrigin.x, (int) gm.gmBlackBoxY - (int) gm.gmptGlyphOrigin.y,
1849 gm.gmCellIncX, gm.gmCellIncY,
1852 /* This is the case of 'empty' glyphs like the space character */
1853 pglBitmap(0, 0, 0, 0, gm.gmCellIncX, gm.gmCellIncY, NULL);
1856 wine_tsx11_unlock();
1860 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1861 wine_tsx11_unlock();
1863 HeapFree(GetProcessHeap(), 0, bitmap);
1864 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1869 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1870 wine_tsx11_unlock();
1872 HeapFree(GetProcessHeap(), 0, bitmap);
1873 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1878 * X11DRV_wglUseFontBitmapsA
1880 * For OpenGL32 wglUseFontBitmapsA.
1882 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
1884 Font fid = physDev->font;
1886 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
1888 if (!has_opengl()) {
1889 ERR("No libGL on this box - disabling OpenGL support !\n");
1894 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineA);
1898 /* I assume that the glyphs are at the same position for X and for Windows */
1899 pglXUseXFont(fid, first, count, listBase);
1900 wine_tsx11_unlock();
1905 * X11DRV_wglUseFontBitmapsW
1907 * For OpenGL32 wglUseFontBitmapsW.
1909 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
1911 Font fid = physDev->font;
1913 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
1915 if (!has_opengl()) {
1916 ERR("No libGL on this box - disabling OpenGL support !\n");
1921 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineW);
1924 WARN("Using the glX API for the WCHAR variant - some characters may come out incorrectly !\n");
1927 /* I assume that the glyphs are at the same position for X and for Windows */
1928 pglXUseXFont(fid, first, count, listBase);
1929 wine_tsx11_unlock();
1933 static void WINAPI X11DRV_wglDisable(GLenum cap)
1935 if (cap == GL_SCISSOR_TEST)
1937 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1940 ctx->scissor_enabled = FALSE;
1946 wine_tsx11_unlock();
1950 static void WINAPI X11DRV_wglEnable(GLenum cap)
1952 if (cap == GL_SCISSOR_TEST)
1954 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1957 ctx->scissor_enabled = TRUE;
1963 wine_tsx11_unlock();
1967 /* WGL helper function which handles differences in glGetIntegerv from WGL and GLX */
1968 static void WINAPI X11DRV_wglGetIntegerv(GLenum pname, GLint* params)
1975 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
1977 pglGetIntegerv(pname, params);
1979 * if we cannot find a Wine Context
1980 * we only have the default wine desktop context,
1981 * so if we have only a 24 depth say we have 32
1983 if (!ctx && *params == 24) {
1986 TRACE("returns GL_DEPTH_BITS as '%d'\n", *params);
1991 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
1993 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_ALPHA_SIZE, params);
1994 TRACE("returns GL_ALPHA_BITS as '%d'\n", *params);
1998 pglGetIntegerv(pname, params);
2001 wine_tsx11_unlock();
2004 static GLboolean WINAPI X11DRV_wglIsEnabled(GLenum cap)
2006 GLboolean enabled = False;
2008 if (cap == GL_SCISSOR_TEST)
2010 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
2013 enabled = ctx->scissor_enabled;
2018 enabled = pglIsEnabled(cap);
2019 wine_tsx11_unlock();
2024 static void WINAPI X11DRV_wglScissor(GLint x, GLint y, GLsizei width, GLsizei height)
2026 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
2030 ctx->scissor.left = x;
2031 ctx->scissor.top = y;
2032 ctx->scissor.right = x + width;
2033 ctx->scissor.bottom = y + height;
2035 sync_current_drawable(TRUE);
2039 static void WINAPI X11DRV_wglViewport(GLint x, GLint y, GLsizei width, GLsizei height)
2041 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
2045 ctx->viewport.left = x;
2046 ctx->viewport.top = y;
2047 ctx->viewport.right = x + width;
2048 ctx->viewport.bottom = y + height;
2050 sync_current_drawable(TRUE);
2055 * X11DRV_wglGetExtensionsStringARB
2057 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
2059 static const char * WINAPI X11DRV_wglGetExtensionsStringARB(HDC hdc) {
2060 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
2061 return WineGLInfo.wglExtensions;
2065 * X11DRV_wglCreatePbufferARB
2067 * WGL_ARB_pbuffer: wglCreatePbufferARB
2069 static HPBUFFERARB WINAPI X11DRV_wglCreatePbufferARB(HDC hdc, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList)
2071 Wine_GLPBuffer* object = NULL;
2072 WineGLPixelFormat *fmt = NULL;
2077 TRACE("(%p, %d, %d, %d, %p)\n", hdc, iPixelFormat, iWidth, iHeight, piAttribList);
2079 if (0 >= iPixelFormat) {
2080 ERR("(%p): unexpected iPixelFormat(%d) <= 0, returns NULL\n", hdc, iPixelFormat);
2081 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
2082 return NULL; /* unexpected error */
2085 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
2086 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, TRUE /* Offscreen */, &nCfgs);
2088 ERR("(%p): unexpected iPixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, iPixelFormat, nCfgs);
2089 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
2090 goto create_failed; /* unexpected error */
2093 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLPBuffer));
2094 if (NULL == object) {
2095 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
2096 goto create_failed; /* unexpected error */
2099 object->display = gdi_display;
2100 object->width = iWidth;
2101 object->height = iHeight;
2104 PUSH2(attribs, GLX_PBUFFER_WIDTH, iWidth);
2105 PUSH2(attribs, GLX_PBUFFER_HEIGHT, iHeight);
2106 while (piAttribList && 0 != *piAttribList) {
2108 switch (*piAttribList) {
2109 case WGL_PBUFFER_LARGEST_ARB: {
2111 attr_v = *piAttribList;
2112 TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v);
2113 PUSH2(attribs, GLX_LARGEST_PBUFFER, attr_v);
2117 case WGL_TEXTURE_FORMAT_ARB: {
2119 attr_v = *piAttribList;
2120 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v);
2121 if (use_render_texture_ati) {
2124 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
2125 case WGL_TEXTURE_RGB_ARB: type = GLX_TEXTURE_RGB_ATI; break ;
2126 case WGL_TEXTURE_RGBA_ARB: type = GLX_TEXTURE_RGBA_ATI; break ;
2128 SetLastError(ERROR_INVALID_DATA);
2131 object->use_render_texture = 1;
2132 PUSH2(attribs, GLX_TEXTURE_FORMAT_ATI, type);
2134 if (WGL_NO_TEXTURE_ARB == attr_v) {
2135 object->use_render_texture = 0;
2137 if (!use_render_texture_emulation) {
2138 SetLastError(ERROR_INVALID_DATA);
2142 case WGL_TEXTURE_RGB_ARB:
2143 object->use_render_texture = GL_RGB;
2144 object->texture_bpp = 3;
2145 object->texture_format = GL_RGB;
2146 object->texture_type = GL_UNSIGNED_BYTE;
2148 case WGL_TEXTURE_RGBA_ARB:
2149 object->use_render_texture = GL_RGBA;
2150 object->texture_bpp = 4;
2151 object->texture_format = GL_RGBA;
2152 object->texture_type = GL_UNSIGNED_BYTE;
2155 /* WGL_FLOAT_COMPONENTS_NV */
2156 case WGL_TEXTURE_FLOAT_R_NV:
2157 object->use_render_texture = GL_FLOAT_R_NV;
2158 object->texture_bpp = 4;
2159 object->texture_format = GL_RED;
2160 object->texture_type = GL_FLOAT;
2162 case WGL_TEXTURE_FLOAT_RG_NV:
2163 object->use_render_texture = GL_FLOAT_RG_NV;
2164 object->texture_bpp = 8;
2165 object->texture_format = GL_LUMINANCE_ALPHA;
2166 object->texture_type = GL_FLOAT;
2168 case WGL_TEXTURE_FLOAT_RGB_NV:
2169 object->use_render_texture = GL_FLOAT_RGB_NV;
2170 object->texture_bpp = 12;
2171 object->texture_format = GL_RGB;
2172 object->texture_type = GL_FLOAT;
2174 case WGL_TEXTURE_FLOAT_RGBA_NV:
2175 object->use_render_texture = GL_FLOAT_RGBA_NV;
2176 object->texture_bpp = 16;
2177 object->texture_format = GL_RGBA;
2178 object->texture_type = GL_FLOAT;
2181 ERR("Unknown texture format: %x\n", attr_v);
2182 SetLastError(ERROR_INVALID_DATA);
2190 case WGL_TEXTURE_TARGET_ARB: {
2192 attr_v = *piAttribList;
2193 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v);
2194 if (use_render_texture_ati) {
2197 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
2198 case WGL_TEXTURE_CUBE_MAP_ARB: type = GLX_TEXTURE_CUBE_MAP_ATI; break ;
2199 case WGL_TEXTURE_1D_ARB: type = GLX_TEXTURE_1D_ATI; break ;
2200 case WGL_TEXTURE_2D_ARB: type = GLX_TEXTURE_2D_ATI; break ;
2202 SetLastError(ERROR_INVALID_DATA);
2205 PUSH2(attribs, GLX_TEXTURE_TARGET_ATI, type);
2207 if (WGL_NO_TEXTURE_ARB == attr_v) {
2208 object->texture_target = 0;
2210 if (!use_render_texture_emulation) {
2211 SetLastError(ERROR_INVALID_DATA);
2215 case WGL_TEXTURE_CUBE_MAP_ARB: {
2216 if (iWidth != iHeight) {
2217 SetLastError(ERROR_INVALID_DATA);
2220 object->texture_target = GL_TEXTURE_CUBE_MAP;
2221 object->texture_bind_target = GL_TEXTURE_BINDING_CUBE_MAP;
2224 case WGL_TEXTURE_1D_ARB: {
2226 SetLastError(ERROR_INVALID_DATA);
2229 object->texture_target = GL_TEXTURE_1D;
2230 object->texture_bind_target = GL_TEXTURE_BINDING_1D;
2233 case WGL_TEXTURE_2D_ARB: {
2234 object->texture_target = GL_TEXTURE_2D;
2235 object->texture_bind_target = GL_TEXTURE_BINDING_2D;
2238 case WGL_TEXTURE_RECTANGLE_NV: {
2239 object->texture_target = GL_TEXTURE_RECTANGLE_NV;
2240 object->texture_bind_target = GL_TEXTURE_BINDING_RECTANGLE_NV;
2244 ERR("Unknown texture target: %x\n", attr_v);
2245 SetLastError(ERROR_INVALID_DATA);
2253 case WGL_MIPMAP_TEXTURE_ARB: {
2255 attr_v = *piAttribList;
2256 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v);
2257 if (use_render_texture_ati) {
2258 PUSH2(attribs, GLX_MIPMAP_TEXTURE_ATI, attr_v);
2260 if (!use_render_texture_emulation) {
2261 SetLastError(ERROR_INVALID_DATA);
2271 PUSH1(attribs, None);
2272 object->drawable = pglXCreatePbuffer(gdi_display, fmt->fbconfig, attribs);
2273 TRACE("new Pbuffer drawable as %p\n", (void*) object->drawable);
2274 if (!object->drawable) {
2275 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
2276 goto create_failed; /* unexpected error */
2278 TRACE("->(%p)\n", object);
2279 return (HPBUFFERARB) object;
2282 HeapFree(GetProcessHeap(), 0, object);
2283 TRACE("->(FAILED)\n");
2284 return (HPBUFFERARB) NULL;
2288 * X11DRV_wglDestroyPbufferARB
2290 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2292 static GLboolean WINAPI X11DRV_wglDestroyPbufferARB(HPBUFFERARB hPbuffer)
2294 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2295 TRACE("(%p)\n", hPbuffer);
2296 if (NULL == object) {
2297 SetLastError(ERROR_INVALID_HANDLE);
2300 pglXDestroyPbuffer(object->display, object->drawable);
2301 HeapFree(GetProcessHeap(), 0, object);
2306 * X11DRV_wglGetPbufferDCARB
2308 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2309 * The function wglGetPbufferDCARB returns a device context for a pbuffer.
2310 * Gdi32 implements the part of this function which creates a device context.
2311 * This part associates the physDev with the X drawable of the pbuffer.
2313 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *physDev, HPBUFFERARB hPbuffer)
2315 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2316 if (NULL == object) {
2317 SetLastError(ERROR_INVALID_HANDLE);
2321 /* The function wglGetPbufferDCARB returns a DC to which the pbuffer can be connected.
2322 * All formats in our pixelformat list are compatible with each other and the main drawable. */
2323 physDev->current_pf = object->fmt->iPixelFormat;
2324 physDev->drawable = object->drawable;
2325 SetRect( &physDev->drawable_rect, 0, 0, object->width, object->height );
2326 physDev->dc_rect = physDev->drawable_rect;
2328 TRACE("(%p)->(%p)\n", hPbuffer, physDev->hdc);
2329 return physDev->hdc;
2333 * X11DRV_wglQueryPbufferARB
2335 * WGL_ARB_pbuffer: wglQueryPbufferARB
2337 static GLboolean WINAPI X11DRV_wglQueryPbufferARB(HPBUFFERARB hPbuffer, int iAttribute, int *piValue)
2339 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2340 TRACE("(%p, 0x%x, %p)\n", hPbuffer, iAttribute, piValue);
2341 if (NULL == object) {
2342 SetLastError(ERROR_INVALID_HANDLE);
2345 switch (iAttribute) {
2346 case WGL_PBUFFER_WIDTH_ARB:
2347 pglXQueryDrawable(object->display, object->drawable, GLX_WIDTH, (unsigned int*) piValue);
2349 case WGL_PBUFFER_HEIGHT_ARB:
2350 pglXQueryDrawable(object->display, object->drawable, GLX_HEIGHT, (unsigned int*) piValue);
2353 case WGL_PBUFFER_LOST_ARB:
2354 /* GLX Pbuffers cannot be lost by default. We can support this by
2355 * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent
2356 * to receive pixel buffer clobber events, however that may or may
2357 * not give any benefit */
2358 *piValue = GL_FALSE;
2361 case WGL_TEXTURE_FORMAT_ARB:
2362 if (use_render_texture_ati) {
2364 int type = WGL_NO_TEXTURE_ARB;
2365 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_FORMAT_ATI, &tmp);
2367 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2368 case GLX_TEXTURE_RGB_ATI: type = WGL_TEXTURE_RGB_ARB; break ;
2369 case GLX_TEXTURE_RGBA_ATI: type = WGL_TEXTURE_RGBA_ARB; break ;
2373 if (!object->use_render_texture) {
2374 *piValue = WGL_NO_TEXTURE_ARB;
2376 if (!use_render_texture_emulation) {
2377 SetLastError(ERROR_INVALID_HANDLE);
2380 switch(object->use_render_texture) {
2382 *piValue = WGL_TEXTURE_RGB_ARB;
2385 *piValue = WGL_TEXTURE_RGBA_ARB;
2387 /* WGL_FLOAT_COMPONENTS_NV */
2389 *piValue = WGL_TEXTURE_FLOAT_R_NV;
2391 case GL_FLOAT_RG_NV:
2392 *piValue = WGL_TEXTURE_FLOAT_RG_NV;
2394 case GL_FLOAT_RGB_NV:
2395 *piValue = WGL_TEXTURE_FLOAT_RGB_NV;
2397 case GL_FLOAT_RGBA_NV:
2398 *piValue = WGL_TEXTURE_FLOAT_RGBA_NV;
2401 ERR("Unknown texture format: %x\n", object->use_render_texture);
2407 case WGL_TEXTURE_TARGET_ARB:
2408 if (use_render_texture_ati) {
2410 int type = WGL_NO_TEXTURE_ARB;
2411 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_TARGET_ATI, &tmp);
2413 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2414 case GLX_TEXTURE_CUBE_MAP_ATI: type = WGL_TEXTURE_CUBE_MAP_ARB; break ;
2415 case GLX_TEXTURE_1D_ATI: type = WGL_TEXTURE_1D_ARB; break ;
2416 case GLX_TEXTURE_2D_ATI: type = WGL_TEXTURE_2D_ARB; break ;
2420 if (!object->texture_target) {
2421 *piValue = WGL_NO_TEXTURE_ARB;
2423 if (!use_render_texture_emulation) {
2424 SetLastError(ERROR_INVALID_DATA);
2427 switch (object->texture_target) {
2428 case GL_TEXTURE_1D: *piValue = WGL_TEXTURE_1D_ARB; break;
2429 case GL_TEXTURE_2D: *piValue = WGL_TEXTURE_2D_ARB; break;
2430 case GL_TEXTURE_CUBE_MAP: *piValue = WGL_TEXTURE_CUBE_MAP_ARB; break;
2431 case GL_TEXTURE_RECTANGLE_NV: *piValue = WGL_TEXTURE_RECTANGLE_NV; break;
2437 case WGL_MIPMAP_TEXTURE_ARB:
2438 if (use_render_texture_ati) {
2439 pglXQueryDrawable(object->display, object->drawable, GLX_MIPMAP_TEXTURE_ATI, (unsigned int*) piValue);
2441 *piValue = GL_FALSE; /** don't support that */
2442 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute);
2447 FIXME("unexpected attribute %x\n", iAttribute);
2455 * X11DRV_wglReleasePbufferDCARB
2457 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2459 static int WINAPI X11DRV_wglReleasePbufferDCARB(HPBUFFERARB hPbuffer, HDC hdc)
2461 TRACE("(%p, %p)\n", hPbuffer, hdc);
2467 * X11DRV_wglSetPbufferAttribARB
2469 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2471 static GLboolean WINAPI X11DRV_wglSetPbufferAttribARB(HPBUFFERARB hPbuffer, const int *piAttribList)
2473 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2474 WARN("(%p, %p): alpha-testing, report any problem\n", hPbuffer, piAttribList);
2475 if (NULL == object) {
2476 SetLastError(ERROR_INVALID_HANDLE);
2479 if (!object->use_render_texture) {
2480 SetLastError(ERROR_INVALID_HANDLE);
2483 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2486 if (NULL != pglXDrawableAttribATI) {
2487 if (use_render_texture_ati) {
2488 FIXME("Need conversion for GLX_ATI_render_texture\n");
2490 return pglXDrawableAttribATI(object->display, object->drawable, piAttribList);
2496 * X11DRV_wglChoosePixelFormatARB
2498 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2500 static GLboolean WINAPI X11DRV_wglChoosePixelFormatARB(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats)
2505 GLXFBConfig* cfgs = NULL;
2509 WineGLPixelFormat *fmt;
2513 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc, piAttribIList, pfAttribFList, nMaxFormats, piFormats, nNumFormats);
2514 if (NULL != pfAttribFList) {
2515 FIXME("unused pfAttribFList\n");
2518 nAttribs = ConvertAttribWGLtoGLX(piAttribIList, attribs, NULL);
2519 if (-1 == nAttribs) {
2520 WARN("Cannot convert WGL to GLX attributes\n");
2523 PUSH1(attribs, None);
2525 /* Search for FB configurations matching the requirements in attribs */
2526 cfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribs, &nCfgs);
2528 WARN("Compatible Pixel Format not found\n");
2532 /* Loop through all matching formats and check if they are suitable.
2533 * Note that this function should at max return nMaxFormats different formats */
2534 for(run=0; run < 2; run++)
2536 for (it = 0; it < nCfgs; ++it) {
2537 gl_test = pglXGetFBConfigAttrib(gdi_display, cfgs[it], GLX_FBCONFIG_ID, &fmt_id);
2539 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2543 /* Search for the format in our list of compatible formats */
2544 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fmt_id);
2548 /* During the first run we only want onscreen formats and during the second only offscreen 'XOR' */
2549 if( ((run == 0) && fmt->offscreenOnly) || ((run == 1) && !fmt->offscreenOnly) )
2552 if(pfmt_it < nMaxFormats) {
2553 piFormats[pfmt_it] = fmt->iPixelFormat;
2554 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n", it + 1, nCfgs, fmt_id, piFormats[pfmt_it]);
2560 *nNumFormats = pfmt_it;
2567 * X11DRV_wglGetPixelFormatAttribivARB
2569 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2571 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues)
2574 WineGLPixelFormat *fmt = NULL;
2578 int nWGLFormats = 0;
2580 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, piValues);
2582 if (0 < iLayerPlane) {
2583 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane);
2587 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supoprted.
2588 * We don't have to fail yet as a program can specify an invaled iPixelFormat (lets say 0) if it wants to query
2589 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2590 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, TRUE /* Offscreen */, &nWGLFormats);
2592 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat);
2595 for (i = 0; i < nAttributes; ++i) {
2596 const int curWGLAttr = piAttributes[i];
2597 TRACE("pAttr[%d] = %x\n", i, curWGLAttr);
2599 switch (curWGLAttr) {
2600 case WGL_NUMBER_PIXEL_FORMATS_ARB:
2601 piValues[i] = nWGLFormats;
2604 case WGL_SUPPORT_OPENGL_ARB:
2605 piValues[i] = GL_TRUE;
2608 case WGL_ACCELERATION_ARB:
2609 curGLXAttr = GLX_CONFIG_CAVEAT;
2610 if (!fmt) goto pix_error;
2611 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2612 if (hTest) goto get_error;
2614 case GLX_NONE: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2615 case GLX_SLOW_CONFIG: piValues[i] = WGL_GENERIC_ACCELERATION_ARB; break;
2616 case GLX_NON_CONFORMANT_CONFIG: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2618 ERR("unexpected Config Caveat(%x)\n", tmp);
2619 piValues[i] = WGL_NO_ACCELERATION_ARB;
2623 case WGL_TRANSPARENT_ARB:
2624 curGLXAttr = GLX_TRANSPARENT_TYPE;
2625 if (!fmt) goto pix_error;
2626 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2627 if (hTest) goto get_error;
2628 piValues[i] = GL_FALSE;
2629 if (GLX_NONE != tmp) piValues[i] = GL_TRUE;
2632 case WGL_PIXEL_TYPE_ARB:
2633 curGLXAttr = GLX_RENDER_TYPE;
2634 if (!fmt) goto pix_error;
2635 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2636 if (hTest) goto get_error;
2637 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp);
2638 if (tmp & GLX_RGBA_BIT) { piValues[i] = WGL_TYPE_RGBA_ARB; }
2639 else if (tmp & GLX_COLOR_INDEX_BIT) { piValues[i] = WGL_TYPE_COLORINDEX_ARB; }
2640 else if (tmp & GLX_RGBA_FLOAT_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2641 else if (tmp & GLX_RGBA_FLOAT_ATI_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2643 ERR("unexpected RenderType(%x)\n", tmp);
2644 piValues[i] = WGL_TYPE_RGBA_ARB;
2648 case WGL_COLOR_BITS_ARB:
2649 curGLXAttr = GLX_BUFFER_SIZE;
2652 case WGL_BIND_TO_TEXTURE_RGB_ARB:
2653 if (use_render_texture_ati) {
2654 curGLXAttr = GLX_BIND_TO_TEXTURE_RGB_ATI;
2657 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
2658 if (use_render_texture_ati) {
2659 curGLXAttr = GLX_BIND_TO_TEXTURE_RGBA_ATI;
2662 if (!use_render_texture_emulation) {
2663 piValues[i] = GL_FALSE;
2666 curGLXAttr = GLX_RENDER_TYPE;
2667 if (!fmt) goto pix_error;
2668 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2669 if (hTest) goto get_error;
2670 if (GLX_COLOR_INDEX_BIT == tmp) {
2671 piValues[i] = GL_FALSE;
2674 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp);
2675 if (hTest) goto get_error;
2676 piValues[i] = (tmp & GLX_PBUFFER_BIT) ? GL_TRUE : GL_FALSE;
2679 case WGL_BLUE_BITS_ARB:
2680 curGLXAttr = GLX_BLUE_SIZE;
2682 case WGL_RED_BITS_ARB:
2683 curGLXAttr = GLX_RED_SIZE;
2685 case WGL_GREEN_BITS_ARB:
2686 curGLXAttr = GLX_GREEN_SIZE;
2688 case WGL_ALPHA_BITS_ARB:
2689 curGLXAttr = GLX_ALPHA_SIZE;
2691 case WGL_DEPTH_BITS_ARB:
2692 curGLXAttr = GLX_DEPTH_SIZE;
2694 case WGL_STENCIL_BITS_ARB:
2695 curGLXAttr = GLX_STENCIL_SIZE;
2697 case WGL_DOUBLE_BUFFER_ARB:
2698 curGLXAttr = GLX_DOUBLEBUFFER;
2700 case WGL_STEREO_ARB:
2701 curGLXAttr = GLX_STEREO;
2703 case WGL_AUX_BUFFERS_ARB:
2704 curGLXAttr = GLX_AUX_BUFFERS;
2707 case WGL_SUPPORT_GDI_ARB:
2708 if (!fmt) goto pix_error;
2709 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &tmp);
2710 if (hTest) goto get_error;
2712 piValues[i] = GL_FALSE;
2715 curGLXAttr = GLX_X_RENDERABLE;
2718 case WGL_DRAW_TO_WINDOW_ARB:
2719 case WGL_DRAW_TO_BITMAP_ARB:
2720 case WGL_DRAW_TO_PBUFFER_ARB:
2721 if (!fmt) goto pix_error;
2722 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp);
2723 if (hTest) goto get_error;
2724 if((curWGLAttr == WGL_DRAW_TO_WINDOW_ARB && (tmp&GLX_WINDOW_BIT)) ||
2725 (curWGLAttr == WGL_DRAW_TO_BITMAP_ARB && (tmp&GLX_PIXMAP_BIT)) ||
2726 (curWGLAttr == WGL_DRAW_TO_PBUFFER_ARB && (tmp&GLX_PBUFFER_BIT)))
2727 piValues[i] = GL_TRUE;
2729 piValues[i] = GL_FALSE;
2732 case WGL_PBUFFER_LARGEST_ARB:
2733 curGLXAttr = GLX_LARGEST_PBUFFER;
2736 case WGL_SAMPLE_BUFFERS_ARB:
2737 curGLXAttr = GLX_SAMPLE_BUFFERS_ARB;
2740 case WGL_SAMPLES_ARB:
2741 curGLXAttr = GLX_SAMPLES_ARB;
2744 case WGL_FLOAT_COMPONENTS_NV:
2745 curGLXAttr = GLX_FLOAT_COMPONENTS_NV;
2748 case WGL_ACCUM_RED_BITS_ARB:
2749 curGLXAttr = GLX_ACCUM_RED_SIZE;
2751 case WGL_ACCUM_GREEN_BITS_ARB:
2752 curGLXAttr = GLX_ACCUM_GREEN_SIZE;
2754 case WGL_ACCUM_BLUE_BITS_ARB:
2755 curGLXAttr = GLX_ACCUM_BLUE_SIZE;
2757 case WGL_ACCUM_ALPHA_BITS_ARB:
2758 curGLXAttr = GLX_ACCUM_ALPHA_SIZE;
2760 case WGL_ACCUM_BITS_ARB:
2761 if (!fmt) goto pix_error;
2762 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_RED_SIZE, &tmp);
2763 if (hTest) goto get_error;
2765 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_GREEN_SIZE, &tmp);
2766 if (hTest) goto get_error;
2768 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_BLUE_SIZE, &tmp);
2769 if (hTest) goto get_error;
2771 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_ALPHA_SIZE, &tmp);
2772 if (hTest) goto get_error;
2777 FIXME("unsupported %x WGL Attribute\n", curWGLAttr);
2780 /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
2781 * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
2782 * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
2784 * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
2785 * and check which options can work using iPixelFormat=0 and which not.
2786 * A problem would be that this function is an extension. This would
2787 * mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
2789 if (0 != curGLXAttr && iPixelFormat != 0) {
2790 if (!fmt) goto pix_error;
2791 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, piValues + i);
2792 if (hTest) goto get_error;
2795 piValues[i] = GL_FALSE;
2801 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc, curGLXAttr);
2805 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc, iPixelFormat, nWGLFormats);
2810 * X11DRV_wglGetPixelFormatAttribfvARB
2812 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2814 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribfvARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues)
2820 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, pfValues);
2822 /* Allocate a temporary array to store integer values */
2823 attr = HeapAlloc(GetProcessHeap(), 0, nAttributes * sizeof(int));
2825 ERR("couldn't allocate %d array\n", nAttributes);
2829 /* Piggy-back on wglGetPixelFormatAttribivARB */
2830 ret = X11DRV_wglGetPixelFormatAttribivARB(hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, attr);
2832 /* Convert integer values to float. Should also check for attributes
2833 that can give decimal values here */
2834 for (i=0; i<nAttributes;i++) {
2835 pfValues[i] = attr[i];
2839 HeapFree(GetProcessHeap(), 0, attr);
2844 * X11DRV_wglBindTexImageARB
2846 * WGL_ARB_render_texture: wglBindTexImageARB
2848 static GLboolean WINAPI X11DRV_wglBindTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
2850 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2851 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
2852 if (NULL == object) {
2853 SetLastError(ERROR_INVALID_HANDLE);
2856 if (!object->use_render_texture) {
2857 SetLastError(ERROR_INVALID_HANDLE);
2861 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2862 static int init = 0;
2863 int prev_binded_texture = 0;
2864 GLXContext prev_context = pglXGetCurrentContext();
2865 Drawable prev_drawable = pglXGetCurrentDrawable();
2866 GLXContext tmp_context;
2868 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2869 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2870 isn't ideal performance wise but I wasn't able to get other ways working.
2873 init = 1; /* Only show the FIXME once for performance reasons */
2874 FIXME("partial stub!\n");
2877 TRACE("drawable=%p, context=%p\n", (void*)object->drawable, prev_context);
2878 tmp_context = pglXCreateNewContext(gdi_display, object->fmt->fbconfig, object->fmt->render_type, prev_context, True);
2880 pglGetIntegerv(object->texture_bind_target, &prev_binded_texture);
2882 /* Switch to our pbuffer */
2883 pglXMakeCurrent(gdi_display, object->drawable, tmp_context);
2885 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2886 * After that upload the pbuffer texture data. */
2887 pglBindTexture(object->texture_target, prev_binded_texture);
2888 pglCopyTexImage2D(object->texture_target, 0, object->use_render_texture, 0, 0, object->width, object->height, 0);
2890 /* Switch back to the original drawable and upload the pbuffer-texture */
2891 pglXMakeCurrent(object->display, prev_drawable, prev_context);
2892 pglXDestroyContext(gdi_display, tmp_context);
2896 if (NULL != pglXBindTexImageATI) {
2901 case WGL_FRONT_LEFT_ARB:
2902 buffer = GLX_FRONT_LEFT_ATI;
2904 case WGL_FRONT_RIGHT_ARB:
2905 buffer = GLX_FRONT_RIGHT_ATI;
2907 case WGL_BACK_LEFT_ARB:
2908 buffer = GLX_BACK_LEFT_ATI;
2910 case WGL_BACK_RIGHT_ARB:
2911 buffer = GLX_BACK_RIGHT_ATI;
2914 ERR("Unknown iBuffer=%#x\n", iBuffer);
2918 /* In the sample 'ogl_offscreen_rendering_3' from codesampler.net I get garbage on the screen.
2919 * I'm not sure if that's a bug in the ATI extension or in the program. I think that the program
2920 * expected a single buffering format since it didn't ask for double buffering. A buffer swap
2921 * fixed the program. I don't know what the correct behavior is. On the other hand that demo
2922 * works fine using our pbuffer emulation path.
2924 return pglXBindTexImageATI(object->display, object->drawable, buffer);
2930 * X11DRV_wglReleaseTexImageARB
2932 * WGL_ARB_render_texture: wglReleaseTexImageARB
2934 static GLboolean WINAPI X11DRV_wglReleaseTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
2936 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2937 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
2938 if (NULL == object) {
2939 SetLastError(ERROR_INVALID_HANDLE);
2942 if (!object->use_render_texture) {
2943 SetLastError(ERROR_INVALID_HANDLE);
2946 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2949 if (NULL != pglXReleaseTexImageATI) {
2954 case WGL_FRONT_LEFT_ARB:
2955 buffer = GLX_FRONT_LEFT_ATI;
2957 case WGL_FRONT_RIGHT_ARB:
2958 buffer = GLX_FRONT_RIGHT_ATI;
2960 case WGL_BACK_LEFT_ARB:
2961 buffer = GLX_BACK_LEFT_ATI;
2963 case WGL_BACK_RIGHT_ARB:
2964 buffer = GLX_BACK_RIGHT_ATI;
2967 ERR("Unknown iBuffer=%#x\n", iBuffer);
2970 return pglXReleaseTexImageATI(object->display, object->drawable, buffer);
2976 * X11DRV_wglGetExtensionsStringEXT
2978 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2980 static const char * WINAPI X11DRV_wglGetExtensionsStringEXT(void) {
2981 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
2982 return WineGLInfo.wglExtensions;
2986 * X11DRV_wglGetSwapIntervalEXT
2988 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
2990 static int WINAPI X11DRV_wglGetSwapIntervalEXT(VOID) {
2991 FIXME("(),stub!\n");
2992 return swap_interval;
2996 * X11DRV_wglSwapIntervalEXT
2998 * WGL_EXT_swap_control: wglSwapIntervalEXT
3000 static BOOL WINAPI X11DRV_wglSwapIntervalEXT(int interval) {
3001 TRACE("(%d)\n", interval);
3002 swap_interval = interval;
3003 if (NULL != pglXSwapIntervalSGI) {
3004 return 0 == pglXSwapIntervalSGI(interval);
3006 WARN("(): GLX_SGI_swap_control extension seems not supported\n");
3011 * X11DRV_wglAllocateMemoryNV
3013 * WGL_NV_vertex_array_range: wglAllocateMemoryNV
3015 static void* WINAPI X11DRV_wglAllocateMemoryNV(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority) {
3016 TRACE("(%d, %f, %f, %f)\n", size, readfreq, writefreq, priority );
3017 if (pglXAllocateMemoryNV == NULL)
3020 return pglXAllocateMemoryNV(size, readfreq, writefreq, priority);
3024 * X11DRV_wglFreeMemoryNV
3026 * WGL_NV_vertex_array_range: wglFreeMemoryNV
3028 static void WINAPI X11DRV_wglFreeMemoryNV(GLvoid* pointer) {
3029 TRACE("(%p)\n", pointer);
3030 if (pglXFreeMemoryNV == NULL)
3033 pglXFreeMemoryNV(pointer);
3037 * glxRequireVersion (internal)
3039 * Check if the supported GLX version matches requiredVersion.
3041 static BOOL glxRequireVersion(int requiredVersion)
3043 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
3044 if(requiredVersion <= WineGLInfo.glxVersion[1])
3050 static BOOL glxRequireExtension(const char *requiredExtension)
3052 if (strstr(WineGLInfo.glxExtensions, requiredExtension) == NULL) {
3059 static void register_extension_string(const char *ext)
3061 if (WineGLInfo.wglExtensions[0])
3062 strcat(WineGLInfo.wglExtensions, " ");
3063 strcat(WineGLInfo.wglExtensions, ext);
3065 TRACE("'%s'\n", ext);
3068 static BOOL register_extension(const WineGLExtension * ext)
3072 assert( WineGLExtensionListSize < MAX_EXTENSIONS );
3073 WineGLExtensionList[WineGLExtensionListSize++] = ext;
3075 register_extension_string(ext->extName);
3077 for (i = 0; ext->extEntryPoints[i].funcName; ++i)
3078 TRACE(" - '%s'\n", ext->extEntryPoints[i].funcName);
3083 static const WineGLExtension WGL_internal_functions =
3087 { "wglDisable", X11DRV_wglDisable },
3088 { "wglEnable", X11DRV_wglEnable },
3089 { "wglGetIntegerv", X11DRV_wglGetIntegerv },
3090 { "wglIsEnabled", X11DRV_wglIsEnabled },
3091 { "wglScissor", X11DRV_wglScissor },
3092 { "wglViewport", X11DRV_wglViewport },
3097 static const WineGLExtension WGL_ARB_extensions_string =
3099 "WGL_ARB_extensions_string",
3101 { "wglGetExtensionsStringARB", X11DRV_wglGetExtensionsStringARB },
3105 static const WineGLExtension WGL_ARB_make_current_read =
3107 "WGL_ARB_make_current_read",
3109 { "wglGetCurrentReadDCARB", X11DRV_wglGetCurrentReadDCARB },
3110 { "wglMakeContextCurrentARB", X11DRV_wglMakeContextCurrentARB },
3114 static const WineGLExtension WGL_ARB_multisample =
3116 "WGL_ARB_multisample",
3119 static const WineGLExtension WGL_ARB_pbuffer =
3123 { "wglCreatePbufferARB", X11DRV_wglCreatePbufferARB },
3124 { "wglDestroyPbufferARB", X11DRV_wglDestroyPbufferARB },
3125 { "wglGetPbufferDCARB", X11DRV_wglGetPbufferDCARB },
3126 { "wglQueryPbufferARB", X11DRV_wglQueryPbufferARB },
3127 { "wglReleasePbufferDCARB", X11DRV_wglReleasePbufferDCARB },
3128 { "wglSetPbufferAttribARB", X11DRV_wglSetPbufferAttribARB },
3132 static const WineGLExtension WGL_ARB_pixel_format =
3134 "WGL_ARB_pixel_format",
3136 { "wglChoosePixelFormatARB", X11DRV_wglChoosePixelFormatARB },
3137 { "wglGetPixelFormatAttribfvARB", X11DRV_wglGetPixelFormatAttribfvARB },
3138 { "wglGetPixelFormatAttribivARB", X11DRV_wglGetPixelFormatAttribivARB },
3142 static const WineGLExtension WGL_ARB_render_texture =
3144 "WGL_ARB_render_texture",
3146 { "wglBindTexImageARB", X11DRV_wglBindTexImageARB },
3147 { "wglReleaseTexImageARB", X11DRV_wglReleaseTexImageARB },
3151 static const WineGLExtension WGL_EXT_extensions_string =
3153 "WGL_EXT_extensions_string",
3155 { "wglGetExtensionsStringEXT", X11DRV_wglGetExtensionsStringEXT },
3159 static const WineGLExtension WGL_EXT_swap_control =
3161 "WGL_EXT_swap_control",
3163 { "wglSwapIntervalEXT", X11DRV_wglSwapIntervalEXT },
3164 { "wglGetSwapIntervalEXT", X11DRV_wglGetSwapIntervalEXT },
3168 static const WineGLExtension WGL_NV_vertex_array_range =
3170 "WGL_NV_vertex_array_range",
3172 { "wglAllocateMemoryNV", X11DRV_wglAllocateMemoryNV },
3173 { "wglFreeMemoryNV", X11DRV_wglFreeMemoryNV },
3178 * X11DRV_WineGL_LoadExtensions
3180 static void X11DRV_WineGL_LoadExtensions(void)
3182 WineGLInfo.wglExtensions[0] = 0;
3184 /* Load Wine internal functions */
3185 register_extension(&WGL_internal_functions);
3187 /* ARB Extensions */
3189 if(glxRequireExtension("GLX_ARB_fbconfig_float"))
3191 register_extension_string("WGL_ARB_pixel_format_float");
3192 register_extension_string("WGL_ATI_pixel_format_float");
3195 register_extension(&WGL_ARB_extensions_string);
3197 if (glxRequireVersion(3))
3198 register_extension(&WGL_ARB_make_current_read);
3200 if (glxRequireExtension("GLX_ARB_multisample"))
3201 register_extension(&WGL_ARB_multisample);
3203 /* In general pbuffer functionality requires support in the X-server. The functionality is
3204 * available either when the GLX_SGIX_pbuffer is present or when the GLX server version is 1.3.
3205 * All display drivers except for Nvidia's use the GLX module from Xfree86/Xorg which only
3206 * supports GLX 1.2. The endresult is that only Nvidia's drivers support pbuffers.
3208 * The only other drive which has pbuffer support is Ati's FGLRX driver. They provide clientside GLX 1.3 support
3209 * without support in the X-server (which other Mesa based drivers require).
3211 * Support pbuffers when the GLX version is 1.3 and GLX_SGIX_pbuffer is available. Further pbuffers can
3212 * also be supported when GLX_ATI_render_texture is available. This extension depends on pbuffers, so when it
3213 * is available pbuffers must be available too. */
3214 if ( (glxRequireVersion(3) && glxRequireExtension("GLX_SGIX_pbuffer")) || glxRequireExtension("GLX_ATI_render_texture"))
3215 register_extension(&WGL_ARB_pbuffer);
3217 register_extension(&WGL_ARB_pixel_format);
3219 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
3220 if (glxRequireExtension("GLX_ATI_render_texture") ||
3221 glxRequireExtension("GLX_ARB_render_texture") ||
3222 (glxRequireVersion(3) && glxRequireExtension("GLX_SGIX_pbuffer") && use_render_texture_emulation))
3224 register_extension(&WGL_ARB_render_texture);
3226 /* The WGL version of GLX_NV_float_buffer requires render_texture */
3227 if(glxRequireExtension("GLX_NV_float_buffer"))
3228 register_extension_string("WGL_NV_float_buffer");
3230 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
3231 if(strstr(WineGLInfo.glExtensions, "GL_NV_texture_rectangle") != NULL)
3232 register_extension_string("WGL_NV_texture_rectangle");
3235 /* EXT Extensions */
3237 register_extension(&WGL_EXT_extensions_string);
3239 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
3240 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
3241 register_extension(&WGL_EXT_swap_control);
3243 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
3244 if(strstr(WineGLInfo.glExtensions, "GL_NV_vertex_array_range") != NULL)
3245 register_extension(&WGL_NV_vertex_array_range);
3249 static XID create_glxpixmap(X11DRV_PDEVICE *physDev)
3253 XVisualInfo template;
3258 /* Retrieve the visualid from our main visual which is the only visual we can use */
3259 template.visualid = XVisualIDFromVisual(visual);
3260 vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
3262 ret = pglXCreateGLXPixmap(gdi_display, vis, physDev->bitmap->pixmap);
3264 wine_tsx11_unlock();
3265 TRACE("return %lx\n", ret);
3269 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3275 if (physDev->bitmap->hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
3276 ret = physDev->drawable; /* PBuffer */
3279 if(!physDev->bitmap->glxpixmap)
3280 physDev->bitmap->glxpixmap = create_glxpixmap(physDev);
3281 ret = physDev->bitmap->glxpixmap;
3285 ret = physDev->drawable;
3289 BOOL destroy_glxpixmap(XID glxpixmap)
3292 pglXDestroyGLXPixmap(gdi_display, glxpixmap);
3293 wine_tsx11_unlock();
3298 * X11DRV_SwapBuffers
3300 * Swap the buffers of this DC
3302 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev)
3304 GLXDrawable drawable;
3305 if (!has_opengl()) {
3306 ERR("No libGL on this box - disabling OpenGL support !\n");
3310 TRACE_(opengl)("(%p)\n", physDev);
3312 drawable = get_glxdrawable(physDev);
3314 pglXSwapBuffers(gdi_display, drawable);
3315 wine_tsx11_unlock();
3320 static long prev_time, frames;
3322 DWORD time = GetTickCount();
3324 /* every 1.5 seconds */
3325 if (time - prev_time > 1500) {
3326 TRACE_(fps)("@ approx %.2ffps\n", 1000.0*frames/(time - prev_time));
3335 /***********************************************************************
3336 * X11DRV_setup_opengl_visual
3338 * Setup the default visual used for OpenGL and Direct3D, and the desktop
3339 * window (if it exists). If OpenGL isn't available, the visual is simply
3340 * set to the default visual for the display
3342 XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
3344 XVisualInfo *visual = NULL;
3347 /* In order to support OpenGL or D3D, we require a double-buffered visual and stencil buffer support,
3348 * D3D and some applications can make use of aux buffers.
3350 int visualProperties[][11] = {
3351 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 24, GLX_STENCIL_SIZE, 8, GLX_ALPHA_SIZE, 8, GLX_AUX_BUFFERS, 1, None },
3352 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 24, GLX_STENCIL_SIZE, 8, GLX_ALPHA_SIZE, 8, None },
3353 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 16, GLX_STENCIL_SIZE, 8, None },
3354 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 16, None },
3361 for (i = 0; i < sizeof(visualProperties)/sizeof(visualProperties[0]); ++i) {
3362 visual = pglXChooseVisual(display, DefaultScreen(display), visualProperties[i]);
3366 wine_tsx11_unlock();
3369 TRACE("Visual ID %lx Chosen\n", visual->visualid);
3371 WARN("No suitable visual found\n");
3376 #else /* no OpenGL includes */
3378 int pixelformat_from_fbconfig_id(XID fbconfig_id)
3383 /***********************************************************************
3384 * ChoosePixelFormat (X11DRV.@)
3386 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
3387 const PIXELFORMATDESCRIPTOR *ppfd) {
3388 ERR("No OpenGL support compiled in.\n");
3393 /***********************************************************************
3394 * DescribePixelFormat (X11DRV.@)
3396 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
3399 PIXELFORMATDESCRIPTOR *ppfd) {
3400 ERR("No OpenGL support compiled in.\n");
3405 /***********************************************************************
3406 * GetPixelFormat (X11DRV.@)
3408 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
3409 ERR("No OpenGL support compiled in.\n");
3414 /***********************************************************************
3415 * SetPixelFormat (X11DRV.@)
3417 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
3419 const PIXELFORMATDESCRIPTOR *ppfd) {
3420 ERR("No OpenGL support compiled in.\n");
3425 /***********************************************************************
3426 * SwapBuffers (X11DRV.@)
3428 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev) {
3429 ERR_(opengl)("No OpenGL support compiled in.\n");
3435 * X11DRV_wglCreateContext
3437 * For OpenGL32 wglCreateContext.
3439 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev) {
3440 ERR_(opengl)("No OpenGL support compiled in.\n");
3445 * X11DRV_wglDeleteContext
3447 * For OpenGL32 wglDeleteContext.
3449 BOOL X11DRV_wglDeleteContext(HGLRC hglrc) {
3450 ERR_(opengl)("No OpenGL support compiled in.\n");
3455 * X11DRV_wglGetProcAddress
3457 * For OpenGL32 wglGetProcAddress.
3459 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc) {
3460 ERR_(opengl)("No OpenGL support compiled in.\n");
3464 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *hDevice, void *hPbuffer)
3466 ERR_(opengl)("No OpenGL support compiled in.\n");
3470 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* hDrawDev, X11DRV_PDEVICE* hReadDev, HGLRC hglrc) {
3471 ERR_(opengl)("No OpenGL support compiled in.\n");
3476 * X11DRV_wglMakeCurrent
3478 * For OpenGL32 wglMakeCurrent.
3480 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
3481 ERR_(opengl)("No OpenGL support compiled in.\n");
3486 * X11DRV_wglShareLists
3488 * For OpenGL32 wglShaderLists.
3490 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
3491 ERR_(opengl)("No OpenGL support compiled in.\n");
3496 * X11DRV_wglUseFontBitmapsA
3498 * For OpenGL32 wglUseFontBitmapsA.
3500 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3502 ERR_(opengl)("No OpenGL support compiled in.\n");
3507 * X11DRV_wglUseFontBitmapsW
3509 * For OpenGL32 wglUseFontBitmapsW.
3511 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3513 ERR_(opengl)("No OpenGL support compiled in.\n");
3517 XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
3522 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3527 BOOL destroy_glxpixmap(XID glxpixmap)
3532 #endif /* defined(HAVE_OPENGL) */