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;
113 Drawable drawables[2];
114 BOOL refresh_drawables;
115 struct wine_glcontext *next;
116 struct wine_glcontext *prev;
119 typedef struct wine_glpbuffer {
122 WineGLPixelFormat* fmt;
128 int use_render_texture; /* This is also the internal texture format */
129 int texture_bind_target;
131 GLint texture_format;
132 GLuint texture_target;
138 static Wine_GLContext *context_list;
139 static struct WineGLInfo WineGLInfo = { 0 };
140 static int use_render_texture_emulation = 1;
141 static int use_render_texture_ati = 0;
142 static int swap_interval = 1;
144 #define MAX_EXTENSIONS 16
145 static const WineGLExtension *WineGLExtensionList[MAX_EXTENSIONS];
146 static int WineGLExtensionListSize;
148 static WineGLPixelFormat *WineGLPixelFormatList;
149 static int WineGLPixelFormatListSize = 0;
150 static int WineGLPixelFormatOnScreenSize = 0;
152 static void X11DRV_WineGL_LoadExtensions(void);
153 static BOOL glxRequireVersion(int requiredVersion);
154 static BOOL glxRequireExtension(const char *requiredExtension);
156 static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR *ppfd) {
157 TRACE(" - size / version : %d / %d\n", ppfd->nSize, ppfd->nVersion);
158 TRACE(" - dwFlags : ");
159 #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
160 TEST_AND_DUMP(ppfd->dwFlags, PFD_DEPTH_DONTCARE);
161 TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER);
162 TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER_DONTCARE);
163 TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_WINDOW);
164 TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_BITMAP);
165 TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_ACCELERATED);
166 TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_FORMAT);
167 TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_PALETTE);
168 TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_SYSTEM_PALETTE);
169 TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO);
170 TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO_DONTCARE);
171 TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_GDI);
172 TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_OPENGL);
173 TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_COPY);
174 TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_EXCHANGE);
175 TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_LAYER_BUFFERS);
176 /* PFD_SUPPORT_COMPOSITION is new in Vista, it is similar to composition
177 * under X e.g. COMPOSITE + GLX_EXT_TEXTURE_FROM_PIXMAP. */
178 TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_COMPOSITION);
182 TRACE(" - iPixelType : ");
183 switch (ppfd->iPixelType) {
184 case PFD_TYPE_RGBA: TRACE("PFD_TYPE_RGBA"); break;
185 case PFD_TYPE_COLORINDEX: TRACE("PFD_TYPE_COLORINDEX"); break;
189 TRACE(" - Color : %d\n", ppfd->cColorBits);
190 TRACE(" - Red : %d\n", ppfd->cRedBits);
191 TRACE(" - Green : %d\n", ppfd->cGreenBits);
192 TRACE(" - Blue : %d\n", ppfd->cBlueBits);
193 TRACE(" - Alpha : %d\n", ppfd->cAlphaBits);
194 TRACE(" - Accum : %d\n", ppfd->cAccumBits);
195 TRACE(" - Depth : %d\n", ppfd->cDepthBits);
196 TRACE(" - Stencil : %d\n", ppfd->cStencilBits);
197 TRACE(" - Aux : %d\n", ppfd->cAuxBuffers);
199 TRACE(" - iLayerType : ");
200 switch (ppfd->iLayerType) {
201 case PFD_MAIN_PLANE: TRACE("PFD_MAIN_PLANE"); break;
202 case PFD_OVERLAY_PLANE: TRACE("PFD_OVERLAY_PLANE"); break;
203 case (BYTE)PFD_UNDERLAY_PLANE: TRACE("PFD_UNDERLAY_PLANE"); break;
208 #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0)
209 #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0)
211 #define MAKE_FUNCPTR(f) static typeof(f) * p##f;
213 MAKE_FUNCPTR(glXChooseVisual)
214 MAKE_FUNCPTR(glXCopyContext)
215 MAKE_FUNCPTR(glXCreateContext)
216 MAKE_FUNCPTR(glXCreateGLXPixmap)
217 MAKE_FUNCPTR(glXGetCurrentContext)
218 MAKE_FUNCPTR(glXGetCurrentDrawable)
219 MAKE_FUNCPTR(glXDestroyContext)
220 MAKE_FUNCPTR(glXDestroyGLXPixmap)
221 MAKE_FUNCPTR(glXGetConfig)
222 MAKE_FUNCPTR(glXIsDirect)
223 MAKE_FUNCPTR(glXMakeCurrent)
224 MAKE_FUNCPTR(glXSwapBuffers)
225 MAKE_FUNCPTR(glXQueryExtension)
226 MAKE_FUNCPTR(glXQueryVersion)
227 MAKE_FUNCPTR(glXUseXFont)
230 MAKE_FUNCPTR(glXGetClientString)
231 MAKE_FUNCPTR(glXQueryExtensionsString)
232 MAKE_FUNCPTR(glXQueryServerString)
235 MAKE_FUNCPTR(glXGetFBConfigs)
236 MAKE_FUNCPTR(glXChooseFBConfig)
237 MAKE_FUNCPTR(glXCreatePbuffer)
238 MAKE_FUNCPTR(glXCreateNewContext)
239 MAKE_FUNCPTR(glXDestroyPbuffer)
240 MAKE_FUNCPTR(glXGetFBConfigAttrib)
241 MAKE_FUNCPTR(glXGetVisualFromFBConfig)
242 MAKE_FUNCPTR(glXMakeContextCurrent)
243 MAKE_FUNCPTR(glXQueryDrawable)
244 MAKE_FUNCPTR(glXGetCurrentReadDrawable)
247 static void* (*pglXGetProcAddressARB)(const GLubyte *);
248 static int (*pglXSwapIntervalSGI)(int);
250 /* ATI GLX Extensions */
251 static BOOL (*pglXBindTexImageATI)(Display *dpy, GLXPbuffer pbuffer, int buffer);
252 static BOOL (*pglXReleaseTexImageATI)(Display *dpy, GLXPbuffer pbuffer, int buffer);
253 static BOOL (*pglXDrawableAttribATI)(Display *dpy, GLXDrawable draw, const int *attribList);
255 /* NV GLX Extension */
256 static void* (*pglXAllocateMemoryNV)(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
257 static void (*pglXFreeMemoryNV)(GLvoid *pointer);
259 /* MESA GLX Extensions */
260 static void (*pglXCopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
262 /* Standard OpenGL */
263 MAKE_FUNCPTR(glBindTexture)
264 MAKE_FUNCPTR(glBitmap)
265 MAKE_FUNCPTR(glCopyTexSubImage1D)
266 MAKE_FUNCPTR(glCopyTexImage2D)
267 MAKE_FUNCPTR(glCopyTexSubImage2D)
268 MAKE_FUNCPTR(glDrawBuffer)
269 MAKE_FUNCPTR(glEndList)
270 MAKE_FUNCPTR(glGetError)
271 MAKE_FUNCPTR(glGetIntegerv)
272 MAKE_FUNCPTR(glGetString)
273 MAKE_FUNCPTR(glNewList)
274 MAKE_FUNCPTR(glPixelStorei)
275 MAKE_FUNCPTR(glReadPixels)
276 MAKE_FUNCPTR(glTexImage2D)
277 MAKE_FUNCPTR(glFinish)
278 MAKE_FUNCPTR(glFlush)
281 static BOOL X11DRV_WineGL_InitOpenglInfo(void)
283 static BOOL infoInitialized = FALSE;
285 int screen = DefaultScreen(gdi_display);
286 Window win = RootWindow(gdi_display, screen);
288 XVisualInfo template;
291 GLXContext ctx = NULL;
295 infoInitialized = TRUE;
299 visual = DefaultVisual(gdi_display, screen);
300 template.visualid = XVisualIDFromVisual(visual);
301 vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
303 WORD old_fs = wine_get_fs();
304 /* Create a GLX Context. Without one we can't query GL information */
305 ctx = pglXCreateContext(gdi_display, vis, None, GL_TRUE);
306 if (wine_get_fs() != old_fs)
308 wine_set_fs( old_fs );
310 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
311 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
317 pglXMakeCurrent(gdi_display, win, ctx);
319 ERR(" couldn't initialize OpenGL, expect problems\n");
324 WineGLInfo.glVersion = (const char *) pglGetString(GL_VERSION);
325 WineGLInfo.glExtensions = strdup((const char *) pglGetString(GL_EXTENSIONS));
327 /* Get the common GLX version supported by GLX client and server ( major/minor) */
328 pglXQueryVersion(gdi_display, &WineGLInfo.glxVersion[0], &WineGLInfo.glxVersion[1]);
330 WineGLInfo.glxServerVersion = pglXQueryServerString(gdi_display, screen, GLX_VERSION);
331 WineGLInfo.glxServerVendor = pglXQueryServerString(gdi_display, screen, GLX_VENDOR);
332 WineGLInfo.glxServerExtensions = pglXQueryServerString(gdi_display, screen, GLX_EXTENSIONS);
334 WineGLInfo.glxClientVersion = pglXGetClientString(gdi_display, GLX_VERSION);
335 WineGLInfo.glxClientVendor = pglXGetClientString(gdi_display, GLX_VENDOR);
336 WineGLInfo.glxClientExtensions = pglXGetClientString(gdi_display, GLX_EXTENSIONS);
338 WineGLInfo.glxExtensions = pglXQueryExtensionsString(gdi_display, screen);
339 WineGLInfo.glxDirect = pglXIsDirect(gdi_display, ctx);
341 TRACE("GL version : %s.\n", WineGLInfo.glVersion);
342 TRACE("GL renderer : %s.\n", pglGetString(GL_RENDERER));
343 TRACE("GLX version : %d.%d.\n", WineGLInfo.glxVersion[0], WineGLInfo.glxVersion[1]);
344 TRACE("Server GLX version : %s.\n", WineGLInfo.glxServerVersion);
345 TRACE("Server GLX vendor: : %s.\n", WineGLInfo.glxServerVendor);
346 TRACE("Client GLX version : %s.\n", WineGLInfo.glxClientVersion);
347 TRACE("Client GLX vendor: : %s.\n", WineGLInfo.glxClientVendor);
348 TRACE("Direct rendering enabled: %s\n", WineGLInfo.glxDirect ? "True" : "False");
352 pglXMakeCurrent(gdi_display, None, NULL);
353 pglXDestroyContext(gdi_display, ctx);
359 static BOOL has_opengl(void)
361 static int init_done;
362 static void *opengl_handle;
364 int error_base, event_base;
366 if (init_done) return (opengl_handle != NULL);
369 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
370 and include all dependencies */
371 opengl_handle = wine_dlopen(SONAME_LIBGL, RTLD_NOW|RTLD_GLOBAL, NULL, 0);
372 if (opengl_handle == NULL) return FALSE;
374 pglXGetProcAddressARB = wine_dlsym(opengl_handle, "glXGetProcAddressARB", NULL, 0);
375 if (pglXGetProcAddressARB == NULL) {
376 ERR("could not find glXGetProcAddressARB in libGL.\n");
380 #define LOAD_FUNCPTR(f) if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) goto sym_not_found;
382 LOAD_FUNCPTR(glXChooseVisual)
383 LOAD_FUNCPTR(glXCopyContext)
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(glDrawBuffer)
418 LOAD_FUNCPTR(glEndList)
419 LOAD_FUNCPTR(glGetError)
420 LOAD_FUNCPTR(glGetIntegerv)
421 LOAD_FUNCPTR(glGetString)
422 LOAD_FUNCPTR(glNewList)
423 LOAD_FUNCPTR(glPixelStorei)
424 LOAD_FUNCPTR(glReadPixels)
425 LOAD_FUNCPTR(glTexImage2D)
426 LOAD_FUNCPTR(glFinish)
427 LOAD_FUNCPTR(glFlush)
430 /* It doesn't matter if these fail. They'll only be used if the driver reports
431 the associated extension is available (and if a driver reports the extension
432 is available but fails to provide the functions, it's quite broken) */
433 #define LOAD_FUNCPTR(f) p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f);
434 /* NV GLX Extension */
435 LOAD_FUNCPTR(glXAllocateMemoryNV)
436 LOAD_FUNCPTR(glXFreeMemoryNV)
439 if(!X11DRV_WineGL_InitOpenglInfo()) {
440 wine_dlclose(opengl_handle, NULL, 0);
441 opengl_handle = NULL;
446 if (pglXQueryExtension(gdi_display, &error_base, &event_base) == True) {
447 TRACE("GLX is up and running error_base = %d\n", error_base);
449 wine_dlclose(opengl_handle, NULL, 0);
450 opengl_handle = NULL;
453 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
454 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
457 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
458 * depends on the reported GLX client / server version and on the client / server extension list.
459 * Those don't have to be the same.
461 * In general the server GLX information lists the capabilities in case of indirect rendering.
462 * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are
463 * available and in that case the client GLX informat can be used.
464 * OpenGL programs should use the 'intersection' of both sets of information which is advertised
465 * in the GLX version/extension list. When a program does this it works for certain for both
466 * direct and indirect rendering.
468 * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason
469 * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client
470 * extension list which causes this extension not to be listed. (Wine requires this extension).
471 * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among
472 * pbuffers is around.
474 * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect
475 * the ATI drivers and from then on use GLX client information for them.
478 if(glxRequireVersion(3)) {
479 pglXChooseFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig");
480 pglXGetFBConfigAttrib = pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib");
481 pglXGetVisualFromFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig");
482 pglXQueryDrawable = pglXGetProcAddressARB((const GLubyte *) "glXQueryDrawable");
483 } else if(glxRequireExtension("GLX_SGIX_fbconfig")) {
484 pglXChooseFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfigSGIX");
485 pglXGetFBConfigAttrib = pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttribSGIX");
486 pglXGetVisualFromFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfigSGIX");
488 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
489 * enable this function when the Xserver understand GLX 1.3 or newer
491 pglXQueryDrawable = NULL;
492 } else if(strcmp("ATI", WineGLInfo.glxClientVendor) == 0) {
493 TRACE("Overriding ATI GLX capabilities!\n");
494 pglXChooseFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig");
495 pglXGetFBConfigAttrib = pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib");
496 pglXGetVisualFromFBConfig = pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig");
497 pglXQueryDrawable = pglXGetProcAddressARB((const GLubyte *) "glXQueryDrawable");
499 /* Use client GLX information in case of the ATI drivers. We override the
500 * capabilities over here and not somewhere else as ATI might better their
501 * life in the future. In case they release proper drivers this block of
502 * code won't be called. */
503 WineGLInfo.glxExtensions = WineGLInfo.glxClientExtensions;
505 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", WineGLInfo.glxServerVersion);
508 if(glxRequireExtension("GLX_ATI_render_texture")) {
509 use_render_texture_ati = 1;
510 pglXBindTexImageATI = pglXGetProcAddressARB((const GLubyte *) "glXBindTexImageATI");
511 pglXReleaseTexImageATI = pglXGetProcAddressARB((const GLubyte *) "glXReleaseTexImageATI");
512 pglXDrawableAttribATI = pglXGetProcAddressARB((const GLubyte *) "glXDrawableAttribATI");
515 if(glxRequireExtension("GLX_MESA_copy_sub_buffer")) {
516 pglXCopySubBufferMESA = pglXGetProcAddressARB((const GLubyte *) "glXCopySubBufferMESA");
519 X11DRV_WineGL_LoadExtensions();
522 return (opengl_handle != NULL);
525 wine_dlclose(opengl_handle, NULL, 0);
526 opengl_handle = NULL;
530 static inline Wine_GLContext *alloc_context(void)
534 if ((ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLContext))))
536 ret->next = context_list;
537 if (context_list) context_list->prev = ret;
543 static inline void free_context(Wine_GLContext *context)
545 if (context->next != NULL) context->next->prev = context->prev;
546 if (context->prev != NULL) context->prev->next = context->next;
547 else context_list = context->next;
549 if (context->vis) XFree(context->vis);
550 HeapFree(GetProcessHeap(), 0, context);
553 static inline BOOL is_valid_context( Wine_GLContext *ctx )
556 for (ptr = context_list; ptr; ptr = ptr->next) if (ptr == ctx) break;
557 return (ptr != NULL);
560 static int describeContext(Wine_GLContext* ctx) {
563 TRACE(" Context %p have (vis:%p):\n", ctx, ctx->vis);
564 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_FBCONFIG_ID, &tmp);
565 TRACE(" - FBCONFIG_ID 0x%x\n", tmp);
566 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_VISUAL_ID, &tmp);
567 TRACE(" - VISUAL_ID 0x%x\n", tmp);
572 static int describeDrawable(Wine_GLContext* ctx, Drawable drawable) {
575 int attribList[3] = { GLX_FBCONFIG_ID, 0, None };
578 if (pglXQueryDrawable == NULL) {
579 /** glXQueryDrawable not available so returns not supported */
583 TRACE(" Drawable %p have :\n", (void*) drawable);
584 pglXQueryDrawable(gdi_display, drawable, GLX_WIDTH, (unsigned int*) &tmp);
585 TRACE(" - WIDTH as %d\n", tmp);
586 pglXQueryDrawable(gdi_display, drawable, GLX_HEIGHT, (unsigned int*) &tmp);
587 TRACE(" - HEIGHT as %d\n", tmp);
588 pglXQueryDrawable(gdi_display, drawable, GLX_FBCONFIG_ID, (unsigned int*) &tmp);
589 TRACE(" - FBCONFIG_ID as 0x%x\n", tmp);
592 fbCfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribList, &nElements);
593 if (fbCfgs == NULL) {
597 pglXGetFBConfigAttrib(gdi_display, fbCfgs[0], GLX_VISUAL_ID, &tmp);
598 TRACE(" - VISUAL_ID as 0x%x\n", tmp);
605 static int ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, Wine_GLPBuffer* pbuf) {
610 int nvfloatattrib = GLX_DONT_CARE;
615 /* The list of WGL attributes is allowed to be NULL. We don't return here for NULL
616 * because we need to do fixups for GLX_DRAWABLE_TYPE/GLX_RENDER_TYPE/GLX_FLOAT_COMPONENTS_NV. */
617 while (iWGLAttr && 0 != iWGLAttr[cur]) {
618 TRACE("pAttr[%d] = %x\n", cur, iWGLAttr[cur]);
620 switch (iWGLAttr[cur]) {
621 case WGL_AUX_BUFFERS_ARB:
622 pop = iWGLAttr[++cur];
623 PUSH2(oGLXAttr, GLX_AUX_BUFFERS, pop);
624 TRACE("pAttr[%d] = GLX_AUX_BUFFERS: %d\n", cur, pop);
626 case WGL_COLOR_BITS_ARB:
627 pop = iWGLAttr[++cur];
628 PUSH2(oGLXAttr, GLX_BUFFER_SIZE, pop);
629 TRACE("pAttr[%d] = GLX_BUFFER_SIZE: %d\n", cur, pop);
631 case WGL_BLUE_BITS_ARB:
632 pop = iWGLAttr[++cur];
633 PUSH2(oGLXAttr, GLX_BLUE_SIZE, pop);
634 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur, pop);
636 case WGL_RED_BITS_ARB:
637 pop = iWGLAttr[++cur];
638 PUSH2(oGLXAttr, GLX_RED_SIZE, pop);
639 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur, pop);
641 case WGL_GREEN_BITS_ARB:
642 pop = iWGLAttr[++cur];
643 PUSH2(oGLXAttr, GLX_GREEN_SIZE, pop);
644 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur, pop);
646 case WGL_ALPHA_BITS_ARB:
647 pop = iWGLAttr[++cur];
648 PUSH2(oGLXAttr, GLX_ALPHA_SIZE, pop);
649 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur, pop);
651 case WGL_DEPTH_BITS_ARB:
652 pop = iWGLAttr[++cur];
653 PUSH2(oGLXAttr, GLX_DEPTH_SIZE, pop);
654 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur, pop);
656 case WGL_STENCIL_BITS_ARB:
657 pop = iWGLAttr[++cur];
658 PUSH2(oGLXAttr, GLX_STENCIL_SIZE, pop);
659 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur, pop);
661 case WGL_DOUBLE_BUFFER_ARB:
662 pop = iWGLAttr[++cur];
663 PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, pop);
664 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur, pop);
668 case WGL_PIXEL_TYPE_ARB:
669 pop = iWGLAttr[++cur];
670 TRACE("pAttr[%d] = WGL_PIXEL_TYPE_ARB: %d\n", cur, pop);
672 case WGL_TYPE_COLORINDEX_ARB: pixelattrib = GLX_COLOR_INDEX_BIT; break ;
673 case WGL_TYPE_RGBA_ARB: pixelattrib = GLX_RGBA_BIT; break ;
674 /* 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 */
675 case WGL_TYPE_RGBA_FLOAT_ATI: pixelattrib = GLX_RGBA_FLOAT_BIT; break ;
677 ERR("unexpected PixelType(%x)\n", pop);
682 case WGL_SUPPORT_GDI_ARB:
683 pop = iWGLAttr[++cur];
684 PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
685 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur, pop);
689 case WGL_DRAW_TO_BITMAP_ARB:
690 pop = iWGLAttr[++cur];
691 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur, pop);
692 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
694 drawattrib |= GLX_PIXMAP_BIT;
698 case WGL_DRAW_TO_WINDOW_ARB:
699 pop = iWGLAttr[++cur];
700 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur, pop);
701 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
703 drawattrib |= GLX_WINDOW_BIT;
707 case WGL_DRAW_TO_PBUFFER_ARB:
708 pop = iWGLAttr[++cur];
709 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur, pop);
710 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
712 drawattrib |= GLX_PBUFFER_BIT;
716 case WGL_ACCELERATION_ARB:
717 case WGL_SUPPORT_OPENGL_ARB:
718 pop = iWGLAttr[++cur];
719 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
720 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur, pop);
723 case WGL_PBUFFER_LARGEST_ARB:
724 pop = iWGLAttr[++cur];
725 PUSH2(oGLXAttr, GLX_LARGEST_PBUFFER, pop);
726 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur, pop);
729 case WGL_SAMPLE_BUFFERS_ARB:
730 pop = iWGLAttr[++cur];
731 PUSH2(oGLXAttr, GLX_SAMPLE_BUFFERS_ARB, pop);
732 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur, pop);
735 case WGL_SAMPLES_ARB:
736 pop = iWGLAttr[++cur];
737 PUSH2(oGLXAttr, GLX_SAMPLES_ARB, pop);
738 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur, pop);
741 case WGL_TEXTURE_FORMAT_ARB:
742 case WGL_TEXTURE_TARGET_ARB:
743 case WGL_MIPMAP_TEXTURE_ARB:
744 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr[cur], iWGLAttr[cur + 1]);
745 pop = iWGLAttr[++cur];
747 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr[cur]);
749 if (use_render_texture_ati) {
750 /** nothing to do here */
752 else if (!use_render_texture_emulation) {
753 if (WGL_NO_TEXTURE_ARB != pop) {
754 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr[cur]);
755 return -1; /** error: don't support it */
757 PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
758 drawattrib |= GLX_PBUFFER_BIT;
762 case WGL_FLOAT_COMPONENTS_NV:
763 nvfloatattrib = iWGLAttr[++cur];
764 TRACE("pAttr[%d] = WGL_FLOAT_COMPONENTS_NV: %x\n", cur, nvfloatattrib);
766 case WGL_BIND_TO_TEXTURE_DEPTH_NV:
767 case WGL_BIND_TO_TEXTURE_RGB_ARB:
768 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
769 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV:
770 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV:
771 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV:
772 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV:
773 pop = iWGLAttr[++cur];
774 /** cannot be converted, see direct handling on
775 * - wglGetPixelFormatAttribivARB
776 * TODO: wglChoosePixelFormat
781 FIXME("unsupported %x WGL Attribute\n", iWGLAttr[cur]);
789 WARN("Attempting double-buffered gdi format\n");
793 PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, False);
796 /* Apply the OR'd drawable type bitmask now EVEN when WGL_DRAW_TO* is unset.
797 * It is needed in all cases because GLX_DRAWABLE_TYPE default to GLX_WINDOW_BIT. */
798 PUSH2(oGLXAttr, GLX_DRAWABLE_TYPE, drawattrib);
799 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib);
801 /* Set GLX_RENDER_TYPE all the time */
802 PUSH2(oGLXAttr, GLX_RENDER_TYPE, pixelattrib);
803 TRACE("pAttr[?] = GLX_RENDER_TYPE: %#x\n", pixelattrib);
805 /* Set GLX_FLOAT_COMPONENTS_NV all the time */
806 if(strstr(WineGLInfo.glxExtensions, "GLX_NV_float_buffer")) {
807 PUSH2(oGLXAttr, GLX_FLOAT_COMPONENTS_NV, nvfloatattrib);
808 TRACE("pAttr[?] = GLX_FLOAT_COMPONENTS_NV: %#x\n", nvfloatattrib);
814 static int get_render_type_from_fbconfig(Display *display, GLXFBConfig fbconfig)
816 int render_type=0, render_type_bit;
817 pglXGetFBConfigAttrib(display, fbconfig, GLX_RENDER_TYPE, &render_type_bit);
818 switch(render_type_bit)
821 render_type = GLX_RGBA_TYPE;
823 case GLX_COLOR_INDEX_BIT:
824 render_type = GLX_COLOR_INDEX_TYPE;
826 case GLX_RGBA_FLOAT_BIT:
827 render_type = GLX_RGBA_FLOAT_TYPE;
830 ERR("Unknown render_type: %x\n", render_type);
835 static BOOL init_formats(Display *display, int screen, Visual *visual)
837 int fmt_id, nCfgs, i, run;
839 XVisualInfo *visinfo;
841 cfgs = pglXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
842 if (NULL == cfgs || 0 == nCfgs) {
843 ERR("glXChooseFBConfig returns NULL\n");
844 if(cfgs != NULL) XFree(cfgs);
848 WineGLPixelFormatList = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nCfgs*sizeof(WineGLPixelFormat));
850 /* Fill the pixel format list. Put onscreen formats at the top and offscreen ones at the bottom.
851 * Do this as GLX doesn't guarantee that the list is sorted */
852 for(run=0; run < 2; run++)
854 for(i=0; i<nCfgs; i++) {
855 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &fmt_id);
856 visinfo = pglXGetVisualFromFBConfig(display, cfgs[i]);
858 /* The first run we only add onscreen formats (ones which have an associated X Visual).
859 * The second run we only set offscreen formats. */
862 /* We implement child window rendering using offscreen buffers (using composite or an XPixmap).
863 * The contents is copied to the destination using XCopyArea. For the copying to work
864 * the depth of the source and destination window should be the same. In general this should
865 * not be a problem for OpenGL as drivers only advertise formats with a similar depth (or no depth).
866 * As of the introduction of composition managers at least Nvidia now also offers ARGB visuals
867 * with a depth of 32 in addition to the default 24 bit. In order to prevent BadMatch errors we only
868 * list formats with the same depth. */
869 if(visinfo->depth != screen_depth)
872 TRACE("Found onscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id, WineGLPixelFormatListSize+1, i);
873 WineGLPixelFormatList[WineGLPixelFormatListSize].iPixelFormat = WineGLPixelFormatListSize+1; /* The index starts at 1 */
874 WineGLPixelFormatList[WineGLPixelFormatListSize].fbconfig = cfgs[i];
875 WineGLPixelFormatList[WineGLPixelFormatListSize].fmt_id = fmt_id;
876 WineGLPixelFormatList[WineGLPixelFormatListSize].render_type = get_render_type_from_fbconfig(display, cfgs[i]);
878 WineGLPixelFormatList[WineGLPixelFormatListSize].offscreenOnly = FALSE;
879 WineGLPixelFormatListSize++;
880 WineGLPixelFormatOnScreenSize++;
882 } else if(run && !visinfo) {
883 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id, WineGLPixelFormatListSize+1, i);
884 WineGLPixelFormatList[WineGLPixelFormatListSize].iPixelFormat = WineGLPixelFormatListSize+1; /* The index starts at 1 */
885 WineGLPixelFormatList[WineGLPixelFormatListSize].fbconfig = cfgs[i];
886 WineGLPixelFormatList[WineGLPixelFormatListSize].fmt_id = fmt_id;
887 WineGLPixelFormatList[WineGLPixelFormatListSize].render_type = get_render_type_from_fbconfig(display, cfgs[i]);
889 WineGLPixelFormatList[WineGLPixelFormatListSize].offscreenOnly = TRUE;
890 WineGLPixelFormatListSize++;
895 if(cfgs != NULL) XFree(cfgs);
900 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
901 * In our WGL implementation we only support a subset of these formats namely the format of
902 * Wine's main visual and offscreen formats (if they are available).
903 * This function converts a WGL format to its corresponding GLX one. It returns a WineGLPixelFormat
904 * and it returns the number of supported WGL formats in fmt_count.
906 static WineGLPixelFormat* ConvertPixelFormatWGLtoGLX(Display *display, int iPixelFormat, BOOL AllowOffscreen, int *fmt_count)
908 WineGLPixelFormat *res = NULL;
910 /* Init the list of pixel formats when we need it */
911 if(!WineGLPixelFormatListSize)
912 init_formats(display, DefaultScreen(display), visual);
914 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
915 * iPixelFormat in case of probing the number of pixelformats.
917 if((iPixelFormat > 0) && (iPixelFormat <= WineGLPixelFormatListSize) &&
918 ((WineGLPixelFormatList[iPixelFormat-1].offscreenOnly == FALSE) ||
920 res = &WineGLPixelFormatList[iPixelFormat-1];
921 TRACE("Returning FBConfig=%p for iPixelFormat=%d\n", res->fbconfig, iPixelFormat);
925 *fmt_count = WineGLPixelFormatListSize;
927 *fmt_count = WineGLPixelFormatOnScreenSize;
929 TRACE("Number of returned pixelformats=%d\n", *fmt_count);
934 /* Search our internal pixelformat list for the WGL format corresponding to the given fbconfig */
935 static WineGLPixelFormat* ConvertPixelFormatGLXtoWGL(Display *display, int fmt_id)
939 /* Init the list of pixel formats when we need it */
940 if(!WineGLPixelFormatListSize)
941 init_formats(display, DefaultScreen(display), visual);
943 for(i=0; i<WineGLPixelFormatListSize; i++) {
944 if(WineGLPixelFormatList[i].fmt_id == fmt_id) {
945 TRACE("Returning iPixelFormat %d for fmt_id 0x%x\n", WineGLPixelFormatList[i].iPixelFormat, fmt_id);
946 return &WineGLPixelFormatList[i];
949 TRACE("No compatible format found for fmt_id 0x%x\n", fmt_id);
953 int pixelformat_from_fbconfig_id(XID fbconfig_id)
955 WineGLPixelFormat *fmt;
957 if (!fbconfig_id) return 0;
959 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fbconfig_id);
961 return fmt->iPixelFormat;
962 /* This will happen on hwnds without a pixel format set; it's ok */
967 /* Mark any allocated context using the glx drawable 'old' to use 'new' */
968 void mark_drawable_dirty(Drawable old, Drawable new)
971 for (ctx = context_list; ctx; ctx = ctx->next) {
972 if (old == ctx->drawables[0]) {
973 ctx->drawables[0] = new;
974 ctx->refresh_drawables = TRUE;
976 if (old == ctx->drawables[1]) {
977 ctx->drawables[1] = new;
978 ctx->refresh_drawables = TRUE;
983 /* Given the current context, make sure its drawable is sync'd */
984 static inline void sync_context(Wine_GLContext *context)
986 if(context && context->refresh_drawables) {
987 if (glxRequireVersion(3))
988 pglXMakeContextCurrent(gdi_display, context->drawables[0],
989 context->drawables[1], context->ctx);
991 pglXMakeCurrent(gdi_display, context->drawables[0], context->ctx);
992 context->refresh_drawables = FALSE;
997 Drawable create_glxpixmap(Display *display, XVisualInfo *vis, Pixmap parent)
999 return pglXCreateGLXPixmap(display, vis, parent);
1003 static XID create_bitmap_glxpixmap(X11DRV_PDEVICE *physDev, WineGLPixelFormat *fmt)
1010 vis = pglXGetVisualFromFBConfig(gdi_display, fmt->fbconfig);
1012 if(vis->depth == physDev->bitmap->pixmap_depth)
1013 ret = pglXCreateGLXPixmap(gdi_display, vis, physDev->bitmap->pixmap);
1016 wine_tsx11_unlock();
1017 TRACE("return %lx\n", ret);
1022 * X11DRV_ChoosePixelFormat
1024 * Equivalent to glXChooseVisual.
1026 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
1027 const PIXELFORMATDESCRIPTOR *ppfd) {
1028 WineGLPixelFormat *fmt = NULL;
1033 int bestFormat = -1;
1034 int bestDBuffer = -1;
1035 int bestStereo = -1;
1039 int bestStencil = -1;
1043 if (!has_opengl()) {
1044 ERR("No libGL on this box - disabling OpenGL support !\n");
1048 if (TRACE_ON(opengl)) {
1049 TRACE("(%p,%p)\n", physDev, ppfd);
1051 dump_PIXELFORMATDESCRIPTOR(ppfd);
1055 ConvertPixelFormatWGLtoGLX(gdi_display, 0, FALSE /* offscreen */, &nPixelFormats);
1056 for(i=0; i<nPixelFormats; i++)
1060 int alpha=0, color=0, depth=0, stencil=0, aux=0;
1062 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, i+1 /* 1-based index */, FALSE /* offscreen */, &value);
1066 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RENDER_TYPE, &value);
1067 if (value & GLX_RGBA_BIT)
1068 iPixelType = PFD_TYPE_RGBA;
1070 iPixelType = PFD_TYPE_COLORINDEX;
1072 if (ppfd->iPixelType != iPixelType)
1074 TRACE("pixel type mismatch for iPixelFormat=%d\n", i+1);
1078 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &value);
1079 if (value) dwFlags |= PFD_DOUBLEBUFFER;
1080 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STEREO, &value);
1081 if (value) dwFlags |= PFD_STEREO;
1082 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BUFFER_SIZE, &color); /* cColorBits */
1083 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &alpha); /* cAlphaBits */
1084 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DEPTH_SIZE, &depth); /* cDepthBits */
1085 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STENCIL_SIZE, &stencil); /* cStencilBits */
1086 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_AUX_BUFFERS, &aux); /* cAuxBuffers */
1088 /* The behavior of PDF_STEREO/PFD_STEREO_DONTCARE and PFD_DOUBLEBUFFER / PFD_DOUBLEBUFFER_DONTCARE
1089 * is not very clear on MSDN. They specify that ChoosePixelFormat tries to match pixel formats
1090 * with the flag (PFD_STEREO / PFD_DOUBLEBUFFERING) set. Otherwise it says that it tries to match
1091 * formats without the given flag set.
1092 * A test on Windows using a Radeon 9500pro on WinXP (the driver doesn't support Stereo)
1093 * has indicated that a format without stereo is returned when stereo is unavailable.
1094 * So in case PFD_STEREO is set, formats that support it should have priority above formats
1095 * without. In case PFD_STEREO_DONTCARE is set, stereo is ignored.
1097 * To summarize the following is most likely the correct behavior:
1098 * stereo not set -> prefer no-stereo formats, else also accept stereo formats
1099 * stereo set -> prefer stereo formats, else also accept no-stereo formats
1100 * stereo don't care -> it doesn't matter whether we get stereo or not
1102 * In Wine we will treat no-stereo the same way as don't care because it makes
1103 * format selection even more complicated and second drivers with Stereo advertise
1104 * each format twice anyway.
1107 /* Doublebuffer, see the comments above */
1108 if( !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) ) {
1109 if( ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != bestDBuffer) &&
1110 ((dwFlags & PFD_DOUBLEBUFFER) == (ppfd->dwFlags & PFD_DOUBLEBUFFER)) )
1112 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1113 bestStereo = dwFlags & PFD_STEREO;
1117 bestStencil = stencil;
1122 if(bestDBuffer != -1 && (dwFlags & PFD_DOUBLEBUFFER) != bestDBuffer)
1126 /* Stereo, see the comments above. */
1127 if( !(ppfd->dwFlags & PFD_STEREO_DONTCARE) ) {
1128 if( ((ppfd->dwFlags & PFD_STEREO) != bestStereo) &&
1129 ((dwFlags & PFD_STEREO) == (ppfd->dwFlags & PFD_STEREO)) )
1131 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1132 bestStereo = dwFlags & PFD_STEREO;
1136 bestStencil = stencil;
1141 if(bestStereo != -1 && (dwFlags & PFD_STEREO) != bestStereo)
1145 /* Below we will do a number of checks to select the 'best' pixelformat.
1146 * We assume the precedence cColorBits > cAlphaBits > cDepthBits > cStencilBits -> cAuxBuffers.
1147 * The code works by trying to match the most important options as close as possible.
1148 * When a reasonable format is found, we will try to match more options. */
1151 if( ((ppfd->cColorBits > bestColor) && (color > bestColor)) ||
1152 ((color >= ppfd->cColorBits) && (color < bestColor)) )
1154 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1155 bestStereo = dwFlags & PFD_STEREO;
1159 bestStencil = stencil;
1163 } else if(bestColor != color) { /* Do further checks if the format is compatible */
1164 TRACE("color mismatch for iPixelFormat=%d\n", i+1);
1169 if( ((ppfd->cAlphaBits > bestAlpha) && (alpha > bestAlpha)) ||
1170 ((alpha >= ppfd->cAlphaBits) && (alpha < bestAlpha)) )
1172 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1173 bestStereo = dwFlags & PFD_STEREO;
1177 bestStencil = stencil;
1181 } else if(bestAlpha != alpha) {
1182 TRACE("alpha mismatch for iPixelFormat=%d\n", i+1);
1187 if( ((ppfd->cDepthBits > bestDepth) && (depth > bestDepth)) ||
1188 ((depth >= ppfd->cDepthBits) && (depth < bestDepth)) )
1190 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1191 bestStereo = dwFlags & PFD_STEREO;
1195 bestStencil = stencil;
1199 } else if(bestDepth != depth) {
1200 TRACE("depth mismatch for iPixelFormat=%d\n", i+1);
1205 if( ((ppfd->cStencilBits > bestStencil) && (stencil > bestStencil)) ||
1206 ((stencil >= ppfd->cStencilBits) && (stencil < bestStencil)) )
1208 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1209 bestStereo = dwFlags & PFD_STEREO;
1213 bestStencil = stencil;
1217 } else if(bestStencil != stencil) {
1218 TRACE("stencil mismatch for iPixelFormat=%d\n", i+1);
1223 if( ((ppfd->cAuxBuffers > bestAux) && (aux > bestAux)) ||
1224 ((aux >= ppfd->cAuxBuffers) && (aux < bestAux)) )
1226 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1227 bestStereo = dwFlags & PFD_STEREO;
1231 bestStencil = stencil;
1235 } else if(bestAux != aux) {
1236 TRACE("aux mismatch for iPixelFormat=%d\n", i+1);
1241 if(bestFormat == -1) {
1242 TRACE("No matching mode was found returning 0\n");
1246 ret = bestFormat+1; /* the return value should be a 1-based index */
1247 TRACE("Successfully found a matching mode, returning index: %d %x\n", ret, WineGLPixelFormatList[bestFormat].fmt_id);
1250 wine_tsx11_unlock();
1255 * X11DRV_DescribePixelFormat
1257 * Get the pixel-format descriptor associated to the given id
1259 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
1262 PIXELFORMATDESCRIPTOR *ppfd) {
1263 /*XVisualInfo *vis;*/
1266 WineGLPixelFormat *fmt;
1270 if (!has_opengl()) {
1271 ERR("No libGL on this box - disabling OpenGL support !\n");
1275 TRACE("(%p,%d,%d,%p)\n", physDev, iPixelFormat, nBytes, ppfd);
1277 /* 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 */
1278 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &fmt_count);
1280 /* The application is only querying the number of pixelformats */
1282 } else if(fmt == NULL) {
1283 WARN("unexpected iPixelFormat(%d): not >=1 and <=nFormats(%d), returning NULL!\n", iPixelFormat, fmt_count);
1287 if (nBytes < sizeof(PIXELFORMATDESCRIPTOR)) {
1288 ERR("Wrong structure size !\n");
1289 /* Should set error */
1295 memset(ppfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
1296 ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
1299 /* These flags are always the same... */
1300 ppfd->dwFlags = PFD_SUPPORT_OPENGL;
1301 /* Now the flags extracted from the Visual */
1305 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_X_RENDERABLE, &value);
1307 ppfd->dwFlags |= PFD_SUPPORT_GDI;
1309 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1310 if(value & GLX_WINDOW_BIT)
1311 ppfd->dwFlags |= PFD_DRAW_TO_WINDOW;
1312 if(value & GLX_PIXMAP_BIT)
1313 ppfd->dwFlags |= PFD_DRAW_TO_BITMAP;
1315 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_CONFIG_CAVEAT, &value);
1316 if(value == GLX_SLOW_CONFIG)
1317 ppfd->dwFlags |= PFD_GENERIC_ACCELERATED;
1319 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &value);
1321 ppfd->dwFlags |= PFD_DOUBLEBUFFER;
1322 ppfd->dwFlags &= ~PFD_SUPPORT_GDI;
1324 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STEREO, &value); if (value) ppfd->dwFlags |= PFD_STEREO;
1327 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RENDER_TYPE, &value);
1328 if (value & GLX_RGBA_BIT)
1329 ppfd->iPixelType = PFD_TYPE_RGBA;
1331 ppfd->iPixelType = PFD_TYPE_COLORINDEX;
1334 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BUFFER_SIZE, &value);
1335 ppfd->cColorBits = value;
1337 /* Red, green, blue and alpha bits / shifts */
1338 if (ppfd->iPixelType == PFD_TYPE_RGBA) {
1339 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RED_SIZE, &rb);
1340 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_GREEN_SIZE, &gb);
1341 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BLUE_SIZE, &bb);
1342 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &ab);
1344 ppfd->cRedBits = rb;
1345 ppfd->cRedShift = gb + bb + ab;
1346 ppfd->cBlueBits = bb;
1347 ppfd->cBlueShift = ab;
1348 ppfd->cGreenBits = gb;
1349 ppfd->cGreenShift = bb + ab;
1350 ppfd->cAlphaBits = ab;
1351 ppfd->cAlphaShift = 0;
1354 ppfd->cRedShift = 0;
1355 ppfd->cBlueBits = 0;
1356 ppfd->cBlueShift = 0;
1357 ppfd->cGreenBits = 0;
1358 ppfd->cGreenShift = 0;
1359 ppfd->cAlphaBits = 0;
1360 ppfd->cAlphaShift = 0;
1363 /* Accum RGBA bits */
1364 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_RED_SIZE, &rb);
1365 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_GREEN_SIZE, &gb);
1366 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_BLUE_SIZE, &bb);
1367 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_ALPHA_SIZE, &ab);
1369 ppfd->cAccumBits = rb+gb+bb+ab;
1370 ppfd->cAccumRedBits = rb;
1371 ppfd->cAccumGreenBits = gb;
1372 ppfd->cAccumBlueBits = bb;
1373 ppfd->cAccumAlphaBits = ab;
1376 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_AUX_BUFFERS, &value);
1377 ppfd->cAuxBuffers = value;
1380 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DEPTH_SIZE, &value);
1381 ppfd->cDepthBits = value;
1384 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STENCIL_SIZE, &value);
1385 ppfd->cStencilBits = value;
1387 wine_tsx11_unlock();
1389 ppfd->iLayerType = PFD_MAIN_PLANE;
1391 if (TRACE_ON(opengl)) {
1392 dump_PIXELFORMATDESCRIPTOR(ppfd);
1399 * X11DRV_GetPixelFormat
1401 * Get the pixel-format id used by this DC
1403 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
1404 WineGLPixelFormat *fmt;
1406 TRACE("(%p)\n", physDev);
1408 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, physDev->current_pf, TRUE, &tmp);
1411 /* This happens on HDCs on which SetPixelFormat wasn't called yet */
1412 ERR("Unable to find a WineGLPixelFormat for iPixelFormat=%d\n", physDev->current_pf);
1415 else if(fmt->offscreenOnly)
1417 /* Offscreen formats can't be used with traditional WGL calls.
1418 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1419 TRACE("Returning iPixelFormat=1 for offscreen format: %d\n", fmt->iPixelFormat);
1423 TRACE("(%p): returns %d\n", physDev, physDev->current_pf);
1424 return physDev->current_pf;
1428 * X11DRV_SetPixelFormat
1430 * Set the pixel-format id used by this DC
1432 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
1434 const PIXELFORMATDESCRIPTOR *ppfd) {
1435 WineGLPixelFormat *fmt;
1439 TRACE("(%p,%d,%p)\n", physDev, iPixelFormat, ppfd);
1441 if (!has_opengl()) {
1442 ERR("No libGL on this box - disabling OpenGL support !\n");
1446 /* SetPixelFormat is not allowed on the X root_window e.g. GetDC(0) */
1447 if(get_glxdrawable(physDev) == root_window)
1449 ERR("Invalid operation on root_window\n");
1453 /* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
1454 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &value);
1456 ERR("Invalid iPixelFormat: %d\n", iPixelFormat);
1460 if(physDev->current_pf) /* cannot change it if already set */
1461 return (physDev->current_pf == iPixelFormat);
1463 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1465 hwnd = WindowFromDC(physDev->hdc);
1467 if(!(value&GLX_WINDOW_BIT)) {
1468 WARN("Pixel format %d is not compatible for window rendering\n", iPixelFormat);
1472 if(!SendMessageW(hwnd, WM_X11DRV_SET_WIN_FORMAT, (WPARAM)fmt->fmt_id, 0)) {
1473 ERR("Couldn't set format of the window, returning failure\n");
1477 else if(physDev->bitmap) {
1478 if(!(value&GLX_PIXMAP_BIT)) {
1479 WARN("Pixel format %d is not compatible for bitmap rendering\n", iPixelFormat);
1483 physDev->bitmap->glxpixmap = create_bitmap_glxpixmap(physDev, fmt);
1484 if(!physDev->bitmap->glxpixmap) {
1485 WARN("Couldn't create glxpixmap for pixel format %d\n", iPixelFormat);
1490 FIXME("called on a non-window, non-bitmap object?\n");
1493 physDev->current_pf = iPixelFormat;
1495 if (TRACE_ON(opengl)) {
1498 gl_test = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_FBCONFIG_ID, &value);
1500 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1502 TRACE(" FBConfig have :\n");
1503 TRACE(" - FBCONFIG_ID 0x%x\n", value);
1504 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_VISUAL_ID, &value);
1505 TRACE(" - VISUAL_ID 0x%x\n", value);
1506 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1507 TRACE(" - DRAWABLE_TYPE 0x%x\n", value);
1514 * X11DRV_wglCopyContext
1516 * For OpenGL32 wglCopyContext.
1518 BOOL X11DRV_wglCopyContext(HGLRC hglrcSrc, HGLRC hglrcDst, UINT mask) {
1519 Wine_GLContext *src = (Wine_GLContext*)hglrcSrc;
1520 Wine_GLContext *dst = (Wine_GLContext*)hglrcDst;
1522 TRACE("hglrcSrc: (%p), hglrcDst: (%p), mask: %#x\n", hglrcSrc, hglrcDst, mask);
1524 /* There is a slight difference in the way GL contexts share display lists in WGL and GLX.
1525 * In case of GLX you need to specify this at context creation time but in case of WGL you
1526 * do this using wglShareLists which you can call after creating the context.
1527 * To emulate WGL we try to delay the creation of the context until wglShareLists or wglMakeCurrent.
1528 * Up to now that works fine.
1530 * The delayed GLX context creation could cause issues for wglCopyContext as it might get called
1531 * when there is no GLX context yet. The chance this will cause problems is small as at the time of
1532 * writing Wine has had OpenGL support for more than 7 years and this function has remained a stub
1535 if(!src->ctx || !dst->ctx) {
1536 /* NOTE: As a special case, if both GLX contexts are NULL, that means
1537 * neither WGL context was made current. In that case, both contexts
1538 * are in a default state, so any copy would no-op.
1540 if(!src->ctx && !dst->ctx) {
1541 TRACE("No source or destination contexts set. No-op.\n");
1546 DWORD type = GetObjectType(src->hdc);
1549 src->ctx = pglXCreateContext(gdi_display, src->vis, NULL, type == OBJ_MEMDC ? False : True);
1550 else /* Create a GLX Context for a pbuffer */
1551 src->ctx = pglXCreateNewContext(gdi_display, src->fmt->fbconfig, src->fmt->render_type, NULL, True);
1552 TRACE(" created a delayed OpenGL context (%p)\n", src->ctx);
1554 else if (!dst->ctx) {
1555 DWORD type = GetObjectType(dst->hdc);
1558 dst->ctx = pglXCreateContext(gdi_display, dst->vis, NULL, type == OBJ_MEMDC ? False : True);
1559 else /* Create a GLX Context for a pbuffer */
1560 dst->ctx = pglXCreateNewContext(gdi_display, dst->fmt->fbconfig, dst->fmt->render_type, NULL, True);
1561 TRACE(" created a delayed OpenGL context (%p)\n", dst->ctx);
1567 pglXCopyContext(gdi_display, src->ctx, dst->ctx, mask);
1568 wine_tsx11_unlock();
1570 /* As opposed to wglCopyContext, glXCopyContext doesn't return anything, so hopefully we passed */
1575 * X11DRV_wglCreateContext
1577 * For OpenGL32 wglCreateContext.
1579 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev)
1581 Wine_GLContext *ret;
1582 WineGLPixelFormat *fmt;
1583 int hdcPF = physDev->current_pf;
1585 HDC hdc = physDev->hdc;
1587 TRACE("(%p)->(PF:%d)\n", hdc, hdcPF);
1589 if (!has_opengl()) {
1590 ERR("No libGL on this box - disabling OpenGL support !\n");
1594 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, hdcPF, TRUE /* Offscreen */, &fmt_count);
1595 /* We can render using the iPixelFormat (1) of Wine's Main visual AND using some offscreen formats.
1596 * Note that standard WGL-calls don't recognize offscreen-only formats. For that reason pbuffers
1597 * use a sort of 'proxy' HDC (wglGetPbufferDCARB).
1598 * If this fails something is very wrong on the system. */
1600 ERR("Cannot get FB Config for iPixelFormat %d, expect problems!\n", hdcPF);
1601 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1605 /* The context will be allocated in the wglMakeCurrent call */
1607 ret = alloc_context();
1608 wine_tsx11_unlock();
1613 ret->vis = pglXGetVisualFromFBConfig(gdi_display, fmt->fbconfig);
1615 TRACE(" creating context %p (GL context creation delayed)\n", ret);
1620 * X11DRV_wglDeleteContext
1622 * For OpenGL32 wglDeleteContext.
1624 BOOL X11DRV_wglDeleteContext(HGLRC hglrc)
1626 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1629 TRACE("(%p)\n", hglrc);
1631 if (!has_opengl()) {
1632 ERR("No libGL on this box - disabling OpenGL support !\n");
1637 /* A game (Half Life not to name it) deletes twice the same context,
1638 * so make sure it is valid first */
1639 if (is_valid_context( ctx ))
1641 if (ctx->ctx) pglXDestroyContext(gdi_display, ctx->ctx);
1646 WARN("Error deleting context !\n");
1647 SetLastError(ERROR_INVALID_HANDLE);
1650 wine_tsx11_unlock();
1656 * X11DRV_wglGetCurrentReadDCARB
1658 * For OpenGL32 wglGetCurrentReadDCARB.
1660 static HDC WINAPI X11DRV_wglGetCurrentReadDCARB(void)
1663 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
1665 if (ctx) ret = ctx->read_hdc;
1667 TRACE(" returning %p (GL drawable %lu)\n", ret, ctx ? ctx->drawables[1] : 0);
1672 * X11DRV_wglGetProcAddress
1674 * For OpenGL32 wglGetProcAddress.
1676 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc)
1679 const WineGLExtension *ext;
1681 int padding = 32 - strlen(lpszProc);
1685 if (!has_opengl()) {
1686 ERR("No libGL on this box - disabling OpenGL support !\n");
1690 /* Check the table of WGL extensions to see if we need to return a WGL extension
1691 * or a function pointer to a native OpenGL function. */
1692 if(strncmp(lpszProc, "wgl", 3) != 0) {
1693 return pglXGetProcAddressARB((const GLubyte*)lpszProc);
1695 TRACE("('%s'):%*s", lpszProc, padding, " ");
1696 for (i = 0; i < WineGLExtensionListSize; ++i) {
1697 ext = WineGLExtensionList[i];
1698 for (j = 0; ext->extEntryPoints[j].funcName; ++j) {
1699 if (strcmp(ext->extEntryPoints[j].funcName, lpszProc) == 0) {
1700 TRACE("(%p) - WineGL\n", ext->extEntryPoints[j].funcAddress);
1701 return ext->extEntryPoints[j].funcAddress;
1707 WARN("(%s) - not found\n", lpszProc);
1712 * X11DRV_wglMakeCurrent
1714 * For OpenGL32 wglMakeCurrent.
1716 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
1718 HDC hdc = physDev->hdc;
1719 DWORD type = GetObjectType(hdc);
1721 TRACE("(%p,%p)\n", hdc, hglrc);
1723 if (!has_opengl()) {
1724 ERR("No libGL on this box - disabling OpenGL support !\n");
1729 if (hglrc == NULL) {
1730 ret = pglXMakeCurrent(gdi_display, None, NULL);
1731 NtCurrentTeb()->glContext = NULL;
1733 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1734 Drawable drawable = get_glxdrawable(physDev);
1735 if (ctx->ctx == NULL) {
1736 /* The describe lines below are for debugging purposes only */
1737 if (TRACE_ON(wgl)) {
1738 describeDrawable(ctx, drawable);
1739 describeContext(ctx);
1742 /* Create a GLX context using the same visual as chosen earlier in wglCreateContext.
1743 * We are certain that the drawable and context are compatible as we only allow compatible formats.
1745 TRACE(" Creating GLX Context\n");
1747 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, type == OBJ_MEMDC ? False : True);
1748 else /* Create a GLX Context for a pbuffer */
1749 ctx->ctx = pglXCreateNewContext(gdi_display, ctx->fmt->fbconfig, ctx->fmt->render_type, NULL, True);
1751 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1753 TRACE(" make current for dis %p, drawable %p, ctx %p\n", gdi_display, (void*) drawable, ctx->ctx);
1754 ret = pglXMakeCurrent(gdi_display, drawable, ctx->ctx);
1755 NtCurrentTeb()->glContext = ctx;
1759 ctx->read_hdc = hdc;
1760 ctx->drawables[0] = drawable;
1761 ctx->drawables[1] = drawable;
1762 ctx->refresh_drawables = FALSE;
1764 if (type == OBJ_MEMDC)
1766 ctx->do_escape = TRUE;
1767 pglDrawBuffer(GL_FRONT_LEFT);
1771 wine_tsx11_unlock();
1772 TRACE(" returning %s\n", (ret ? "True" : "False"));
1777 * X11DRV_wglMakeContextCurrentARB
1779 * For OpenGL32 wglMakeContextCurrentARB
1781 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* pDrawDev, X11DRV_PDEVICE* pReadDev, HGLRC hglrc)
1784 int indirect = (GetObjectType(pDrawDev->hdc) == OBJ_MEMDC);
1786 TRACE("(%p,%p,%p)\n", pDrawDev, pReadDev, hglrc);
1788 if (!has_opengl()) {
1789 ERR("No libGL on this box - disabling OpenGL support !\n");
1794 if (hglrc == NULL) {
1795 ret = pglXMakeCurrent(gdi_display, None, NULL);
1796 NtCurrentTeb()->glContext = NULL;
1798 if (NULL == pglXMakeContextCurrent) {
1801 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1802 Drawable d_draw = get_glxdrawable(pDrawDev);
1803 Drawable d_read = get_glxdrawable(pReadDev);
1805 if (ctx->ctx == NULL) {
1806 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, !indirect);
1807 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1809 ctx->hdc = pDrawDev->hdc;
1810 ctx->read_hdc = pReadDev->hdc;
1811 ctx->drawables[0] = d_draw;
1812 ctx->drawables[1] = d_read;
1813 ctx->refresh_drawables = FALSE;
1814 ret = pglXMakeContextCurrent(gdi_display, d_draw, d_read, ctx->ctx);
1815 NtCurrentTeb()->glContext = ctx;
1818 wine_tsx11_unlock();
1820 TRACE(" returning %s\n", (ret ? "True" : "False"));
1825 * X11DRV_wglShareLists
1827 * For OpenGL32 wglShaderLists.
1829 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
1830 Wine_GLContext *org = (Wine_GLContext *) hglrc1;
1831 Wine_GLContext *dest = (Wine_GLContext *) hglrc2;
1833 TRACE("(%p, %p)\n", org, dest);
1835 if (!has_opengl()) {
1836 ERR("No libGL on this box - disabling OpenGL support !\n");
1840 if (NULL != dest && dest->ctx != NULL) {
1841 ERR("Could not share display lists, context already created !\n");
1844 if (org->ctx == NULL) {
1845 int indirect = (GetObjectType(org->hdc) == OBJ_MEMDC);
1847 describeContext(org);
1850 org->ctx = pglXCreateContext(gdi_display, org->vis, NULL, !indirect);
1851 else /* Create a GLX Context for a pbuffer */
1852 org->ctx = pglXCreateNewContext(gdi_display, org->fmt->fbconfig, org->fmt->render_type, NULL, True);
1853 wine_tsx11_unlock();
1854 TRACE(" created a delayed OpenGL context (%p) for Wine context %p\n", org->ctx, org);
1857 int indirect = (GetObjectType(dest->hdc) == OBJ_MEMDC);
1859 describeContext(dest);
1860 /* Create the destination context with display lists shared */
1862 dest->ctx = pglXCreateContext(gdi_display, dest->vis, org->ctx, !indirect);
1863 else /* Create a GLX Context for a pbuffer */
1864 dest->ctx = pglXCreateNewContext(gdi_display, dest->fmt->fbconfig, dest->fmt->render_type, org->ctx, True);
1865 wine_tsx11_unlock();
1866 TRACE(" created a delayed OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest->ctx, dest, org->ctx);
1873 static BOOL internal_wglUseFontBitmaps(HDC hdc, DWORD first, DWORD count, DWORD listBase, DWORD (WINAPI *GetGlyphOutline_ptr)(HDC,UINT,UINT,LPGLYPHMETRICS,DWORD,LPVOID,const MAT2*))
1875 /* We are running using client-side rendering fonts... */
1879 void *bitmap = NULL, *gl_bitmap = NULL;
1883 pglGetIntegerv(GL_UNPACK_ALIGNMENT, &org_alignment);
1884 pglPixelStorei(GL_UNPACK_ALIGNMENT, 4);
1885 wine_tsx11_unlock();
1887 for (glyph = first; glyph < first + count; glyph++) {
1888 unsigned int needed_size = GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, 0, NULL, NULL);
1889 int height, width_int;
1891 TRACE("Glyph : %3d / List : %d\n", glyph, listBase);
1892 if (needed_size == GDI_ERROR) {
1893 TRACE(" - needed size : %d (GDI_ERROR)\n", needed_size);
1896 TRACE(" - needed size : %d\n", needed_size);
1899 if (needed_size > size) {
1901 HeapFree(GetProcessHeap(), 0, bitmap);
1902 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1903 bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1904 gl_bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1906 if (GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, size, bitmap, NULL) == GDI_ERROR) goto error;
1907 if (TRACE_ON(opengl)) {
1908 unsigned int height, width, bitmask;
1909 unsigned char *bitmap_ = (unsigned char *) bitmap;
1911 TRACE(" - bbox : %d x %d\n", gm.gmBlackBoxX, gm.gmBlackBoxY);
1912 TRACE(" - origin : (%d , %d)\n", gm.gmptGlyphOrigin.x, gm.gmptGlyphOrigin.y);
1913 TRACE(" - increment : %d - %d\n", gm.gmCellIncX, gm.gmCellIncY);
1914 if (needed_size != 0) {
1915 TRACE(" - bitmap :\n");
1916 for (height = 0; height < gm.gmBlackBoxY; height++) {
1918 for (width = 0, bitmask = 0x80; width < gm.gmBlackBoxX; width++, bitmask >>= 1) {
1923 if (*bitmap_ & bitmask)
1928 bitmap_ += (4 - ((UINT_PTR)bitmap_ & 0x03));
1934 /* In OpenGL, the bitmap is drawn from the bottom to the top... So we need to invert the
1935 * glyph for it to be drawn properly.
1937 if (needed_size != 0) {
1938 width_int = (gm.gmBlackBoxX + 31) / 32;
1939 for (height = 0; height < gm.gmBlackBoxY; height++) {
1941 for (width = 0; width < width_int; width++) {
1942 ((int *) gl_bitmap)[(gm.gmBlackBoxY - height - 1) * width_int + width] =
1943 ((int *) bitmap)[height * width_int + width];
1949 pglNewList(listBase++, GL_COMPILE);
1950 if (needed_size != 0) {
1951 pglBitmap(gm.gmBlackBoxX, gm.gmBlackBoxY,
1952 0 - gm.gmptGlyphOrigin.x, (int) gm.gmBlackBoxY - gm.gmptGlyphOrigin.y,
1953 gm.gmCellIncX, gm.gmCellIncY,
1956 /* This is the case of 'empty' glyphs like the space character */
1957 pglBitmap(0, 0, 0, 0, gm.gmCellIncX, gm.gmCellIncY, NULL);
1960 wine_tsx11_unlock();
1964 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1965 wine_tsx11_unlock();
1967 HeapFree(GetProcessHeap(), 0, bitmap);
1968 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1973 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1974 wine_tsx11_unlock();
1976 HeapFree(GetProcessHeap(), 0, bitmap);
1977 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1982 * X11DRV_wglUseFontBitmapsA
1984 * For OpenGL32 wglUseFontBitmapsA.
1986 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
1988 Font fid = physDev->font;
1990 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
1992 if (!has_opengl()) {
1993 ERR("No libGL on this box - disabling OpenGL support !\n");
1998 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineA);
2002 /* I assume that the glyphs are at the same position for X and for Windows */
2003 pglXUseXFont(fid, first, count, listBase);
2004 wine_tsx11_unlock();
2009 * X11DRV_wglUseFontBitmapsW
2011 * For OpenGL32 wglUseFontBitmapsW.
2013 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
2015 Font fid = physDev->font;
2017 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
2019 if (!has_opengl()) {
2020 ERR("No libGL on this box - disabling OpenGL support !\n");
2025 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineW);
2028 WARN("Using the glX API for the WCHAR variant - some characters may come out incorrectly !\n");
2031 /* I assume that the glyphs are at the same position for X and for Windows */
2032 pglXUseXFont(fid, first, count, listBase);
2033 wine_tsx11_unlock();
2037 /* WGL helper function which handles differences in glGetIntegerv from WGL and GLX */
2038 static void WINAPI X11DRV_wglGetIntegerv(GLenum pname, GLint* params)
2045 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
2047 pglGetIntegerv(pname, params);
2049 * if we cannot find a Wine Context
2050 * we only have the default wine desktop context,
2051 * so if we have only a 24 depth say we have 32
2053 if (!ctx && *params == 24) {
2056 TRACE("returns GL_DEPTH_BITS as '%d'\n", *params);
2061 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
2063 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_ALPHA_SIZE, params);
2064 TRACE("returns GL_ALPHA_BITS as '%d'\n", *params);
2068 pglGetIntegerv(pname, params);
2071 wine_tsx11_unlock();
2074 void flush_gl_drawable(X11DRV_PDEVICE *physDev)
2078 if(!physDev->gl_drawable)
2081 w = physDev->dc_rect.right - physDev->dc_rect.left;
2082 h = physDev->dc_rect.bottom - physDev->dc_rect.top;
2084 if(w > 0 && h > 0) {
2085 Drawable src = physDev->pixmap;
2086 if(!src) src = physDev->gl_drawable;
2088 /* The GL drawable may be lagged behind if we don't flush first, so
2089 * flush the display make sure we copy up-to-date data */
2091 XFlush(gdi_display);
2092 XCopyArea(gdi_display, src, physDev->drawable, physDev->gc, 0, 0, w, h,
2093 physDev->dc_rect.left, physDev->dc_rect.top);
2094 wine_tsx11_unlock();
2099 static void WINAPI X11DRV_wglFinish(void)
2101 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
2102 enum x11drv_escape_codes code = X11DRV_FLUSH_GL_DRAWABLE;
2107 wine_tsx11_unlock();
2108 ExtEscape(ctx->hdc, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );
2111 static void WINAPI X11DRV_wglFlush(void)
2113 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
2114 enum x11drv_escape_codes code = X11DRV_FLUSH_GL_DRAWABLE;
2119 wine_tsx11_unlock();
2120 ExtEscape(ctx->hdc, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );
2124 * X11DRV_wglGetExtensionsStringARB
2126 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
2128 static const char * WINAPI X11DRV_wglGetExtensionsStringARB(HDC hdc) {
2129 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
2130 return WineGLInfo.wglExtensions;
2134 * X11DRV_wglCreatePbufferARB
2136 * WGL_ARB_pbuffer: wglCreatePbufferARB
2138 static HPBUFFERARB WINAPI X11DRV_wglCreatePbufferARB(HDC hdc, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList)
2140 Wine_GLPBuffer* object = NULL;
2141 WineGLPixelFormat *fmt = NULL;
2146 TRACE("(%p, %d, %d, %d, %p)\n", hdc, iPixelFormat, iWidth, iHeight, piAttribList);
2148 if (0 >= iPixelFormat) {
2149 ERR("(%p): unexpected iPixelFormat(%d) <= 0, returns NULL\n", hdc, iPixelFormat);
2150 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
2151 return NULL; /* unexpected error */
2154 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
2155 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, TRUE /* Offscreen */, &nCfgs);
2157 ERR("(%p): unexpected iPixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, iPixelFormat, nCfgs);
2158 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
2159 goto create_failed; /* unexpected error */
2162 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLPBuffer));
2163 if (NULL == object) {
2164 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
2165 goto create_failed; /* unexpected error */
2168 object->display = gdi_display;
2169 object->width = iWidth;
2170 object->height = iHeight;
2173 PUSH2(attribs, GLX_PBUFFER_WIDTH, iWidth);
2174 PUSH2(attribs, GLX_PBUFFER_HEIGHT, iHeight);
2175 while (piAttribList && 0 != *piAttribList) {
2177 switch (*piAttribList) {
2178 case WGL_PBUFFER_LARGEST_ARB: {
2180 attr_v = *piAttribList;
2181 TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v);
2182 PUSH2(attribs, GLX_LARGEST_PBUFFER, attr_v);
2186 case WGL_TEXTURE_FORMAT_ARB: {
2188 attr_v = *piAttribList;
2189 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v);
2190 if (use_render_texture_ati) {
2193 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
2194 case WGL_TEXTURE_RGB_ARB: type = GLX_TEXTURE_RGB_ATI; break ;
2195 case WGL_TEXTURE_RGBA_ARB: type = GLX_TEXTURE_RGBA_ATI; break ;
2197 SetLastError(ERROR_INVALID_DATA);
2200 object->use_render_texture = 1;
2201 PUSH2(attribs, GLX_TEXTURE_FORMAT_ATI, type);
2203 if (WGL_NO_TEXTURE_ARB == attr_v) {
2204 object->use_render_texture = 0;
2206 if (!use_render_texture_emulation) {
2207 SetLastError(ERROR_INVALID_DATA);
2211 case WGL_TEXTURE_RGB_ARB:
2212 object->use_render_texture = GL_RGB;
2213 object->texture_bpp = 3;
2214 object->texture_format = GL_RGB;
2215 object->texture_type = GL_UNSIGNED_BYTE;
2217 case WGL_TEXTURE_RGBA_ARB:
2218 object->use_render_texture = GL_RGBA;
2219 object->texture_bpp = 4;
2220 object->texture_format = GL_RGBA;
2221 object->texture_type = GL_UNSIGNED_BYTE;
2224 /* WGL_FLOAT_COMPONENTS_NV */
2225 case WGL_TEXTURE_FLOAT_R_NV:
2226 object->use_render_texture = GL_FLOAT_R_NV;
2227 object->texture_bpp = 4;
2228 object->texture_format = GL_RED;
2229 object->texture_type = GL_FLOAT;
2231 case WGL_TEXTURE_FLOAT_RG_NV:
2232 object->use_render_texture = GL_FLOAT_RG_NV;
2233 object->texture_bpp = 8;
2234 object->texture_format = GL_LUMINANCE_ALPHA;
2235 object->texture_type = GL_FLOAT;
2237 case WGL_TEXTURE_FLOAT_RGB_NV:
2238 object->use_render_texture = GL_FLOAT_RGB_NV;
2239 object->texture_bpp = 12;
2240 object->texture_format = GL_RGB;
2241 object->texture_type = GL_FLOAT;
2243 case WGL_TEXTURE_FLOAT_RGBA_NV:
2244 object->use_render_texture = GL_FLOAT_RGBA_NV;
2245 object->texture_bpp = 16;
2246 object->texture_format = GL_RGBA;
2247 object->texture_type = GL_FLOAT;
2250 ERR("Unknown texture format: %x\n", attr_v);
2251 SetLastError(ERROR_INVALID_DATA);
2259 case WGL_TEXTURE_TARGET_ARB: {
2261 attr_v = *piAttribList;
2262 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v);
2263 if (use_render_texture_ati) {
2266 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
2267 case WGL_TEXTURE_CUBE_MAP_ARB: type = GLX_TEXTURE_CUBE_MAP_ATI; break ;
2268 case WGL_TEXTURE_1D_ARB: type = GLX_TEXTURE_1D_ATI; break ;
2269 case WGL_TEXTURE_2D_ARB: type = GLX_TEXTURE_2D_ATI; break ;
2271 SetLastError(ERROR_INVALID_DATA);
2274 PUSH2(attribs, GLX_TEXTURE_TARGET_ATI, type);
2276 if (WGL_NO_TEXTURE_ARB == attr_v) {
2277 object->texture_target = 0;
2279 if (!use_render_texture_emulation) {
2280 SetLastError(ERROR_INVALID_DATA);
2284 case WGL_TEXTURE_CUBE_MAP_ARB: {
2285 if (iWidth != iHeight) {
2286 SetLastError(ERROR_INVALID_DATA);
2289 object->texture_target = GL_TEXTURE_CUBE_MAP;
2290 object->texture_bind_target = GL_TEXTURE_BINDING_CUBE_MAP;
2293 case WGL_TEXTURE_1D_ARB: {
2295 SetLastError(ERROR_INVALID_DATA);
2298 object->texture_target = GL_TEXTURE_1D;
2299 object->texture_bind_target = GL_TEXTURE_BINDING_1D;
2302 case WGL_TEXTURE_2D_ARB: {
2303 object->texture_target = GL_TEXTURE_2D;
2304 object->texture_bind_target = GL_TEXTURE_BINDING_2D;
2307 case WGL_TEXTURE_RECTANGLE_NV: {
2308 object->texture_target = GL_TEXTURE_RECTANGLE_NV;
2309 object->texture_bind_target = GL_TEXTURE_BINDING_RECTANGLE_NV;
2313 ERR("Unknown texture target: %x\n", attr_v);
2314 SetLastError(ERROR_INVALID_DATA);
2322 case WGL_MIPMAP_TEXTURE_ARB: {
2324 attr_v = *piAttribList;
2325 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v);
2326 if (use_render_texture_ati) {
2327 PUSH2(attribs, GLX_MIPMAP_TEXTURE_ATI, attr_v);
2329 if (!use_render_texture_emulation) {
2330 SetLastError(ERROR_INVALID_DATA);
2340 PUSH1(attribs, None);
2341 object->drawable = pglXCreatePbuffer(gdi_display, fmt->fbconfig, attribs);
2342 TRACE("new Pbuffer drawable as %p\n", (void*) object->drawable);
2343 if (!object->drawable) {
2344 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
2345 goto create_failed; /* unexpected error */
2347 TRACE("->(%p)\n", object);
2348 return (HPBUFFERARB) object;
2351 HeapFree(GetProcessHeap(), 0, object);
2352 TRACE("->(FAILED)\n");
2357 * X11DRV_wglDestroyPbufferARB
2359 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2361 static GLboolean WINAPI X11DRV_wglDestroyPbufferARB(HPBUFFERARB hPbuffer)
2363 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2364 TRACE("(%p)\n", hPbuffer);
2365 if (NULL == object) {
2366 SetLastError(ERROR_INVALID_HANDLE);
2369 pglXDestroyPbuffer(object->display, object->drawable);
2370 HeapFree(GetProcessHeap(), 0, object);
2375 * X11DRV_wglGetPbufferDCARB
2377 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2378 * The function wglGetPbufferDCARB returns a device context for a pbuffer.
2379 * Gdi32 implements the part of this function which creates a device context.
2380 * This part associates the physDev with the X drawable of the pbuffer.
2382 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *physDev, HPBUFFERARB hPbuffer)
2384 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2385 if (NULL == object) {
2386 SetLastError(ERROR_INVALID_HANDLE);
2390 /* The function wglGetPbufferDCARB returns a DC to which the pbuffer can be connected.
2391 * All formats in our pixelformat list are compatible with each other and the main drawable. */
2392 physDev->current_pf = object->fmt->iPixelFormat;
2393 physDev->drawable = object->drawable;
2394 SetRect( &physDev->drawable_rect, 0, 0, object->width, object->height );
2395 physDev->dc_rect = physDev->drawable_rect;
2397 TRACE("(%p)->(%p)\n", hPbuffer, physDev->hdc);
2398 return physDev->hdc;
2402 * X11DRV_wglQueryPbufferARB
2404 * WGL_ARB_pbuffer: wglQueryPbufferARB
2406 static GLboolean WINAPI X11DRV_wglQueryPbufferARB(HPBUFFERARB hPbuffer, int iAttribute, int *piValue)
2408 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2409 TRACE("(%p, 0x%x, %p)\n", hPbuffer, iAttribute, piValue);
2410 if (NULL == object) {
2411 SetLastError(ERROR_INVALID_HANDLE);
2414 switch (iAttribute) {
2415 case WGL_PBUFFER_WIDTH_ARB:
2416 pglXQueryDrawable(object->display, object->drawable, GLX_WIDTH, (unsigned int*) piValue);
2418 case WGL_PBUFFER_HEIGHT_ARB:
2419 pglXQueryDrawable(object->display, object->drawable, GLX_HEIGHT, (unsigned int*) piValue);
2422 case WGL_PBUFFER_LOST_ARB:
2423 /* GLX Pbuffers cannot be lost by default. We can support this by
2424 * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent
2425 * to receive pixel buffer clobber events, however that may or may
2426 * not give any benefit */
2427 *piValue = GL_FALSE;
2430 case WGL_TEXTURE_FORMAT_ARB:
2431 if (use_render_texture_ati) {
2433 int type = WGL_NO_TEXTURE_ARB;
2434 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_FORMAT_ATI, &tmp);
2436 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2437 case GLX_TEXTURE_RGB_ATI: type = WGL_TEXTURE_RGB_ARB; break ;
2438 case GLX_TEXTURE_RGBA_ATI: type = WGL_TEXTURE_RGBA_ARB; break ;
2442 if (!object->use_render_texture) {
2443 *piValue = WGL_NO_TEXTURE_ARB;
2445 if (!use_render_texture_emulation) {
2446 SetLastError(ERROR_INVALID_HANDLE);
2449 switch(object->use_render_texture) {
2451 *piValue = WGL_TEXTURE_RGB_ARB;
2454 *piValue = WGL_TEXTURE_RGBA_ARB;
2456 /* WGL_FLOAT_COMPONENTS_NV */
2458 *piValue = WGL_TEXTURE_FLOAT_R_NV;
2460 case GL_FLOAT_RG_NV:
2461 *piValue = WGL_TEXTURE_FLOAT_RG_NV;
2463 case GL_FLOAT_RGB_NV:
2464 *piValue = WGL_TEXTURE_FLOAT_RGB_NV;
2466 case GL_FLOAT_RGBA_NV:
2467 *piValue = WGL_TEXTURE_FLOAT_RGBA_NV;
2470 ERR("Unknown texture format: %x\n", object->use_render_texture);
2476 case WGL_TEXTURE_TARGET_ARB:
2477 if (use_render_texture_ati) {
2479 int type = WGL_NO_TEXTURE_ARB;
2480 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_TARGET_ATI, &tmp);
2482 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2483 case GLX_TEXTURE_CUBE_MAP_ATI: type = WGL_TEXTURE_CUBE_MAP_ARB; break ;
2484 case GLX_TEXTURE_1D_ATI: type = WGL_TEXTURE_1D_ARB; break ;
2485 case GLX_TEXTURE_2D_ATI: type = WGL_TEXTURE_2D_ARB; break ;
2489 if (!object->texture_target) {
2490 *piValue = WGL_NO_TEXTURE_ARB;
2492 if (!use_render_texture_emulation) {
2493 SetLastError(ERROR_INVALID_DATA);
2496 switch (object->texture_target) {
2497 case GL_TEXTURE_1D: *piValue = WGL_TEXTURE_1D_ARB; break;
2498 case GL_TEXTURE_2D: *piValue = WGL_TEXTURE_2D_ARB; break;
2499 case GL_TEXTURE_CUBE_MAP: *piValue = WGL_TEXTURE_CUBE_MAP_ARB; break;
2500 case GL_TEXTURE_RECTANGLE_NV: *piValue = WGL_TEXTURE_RECTANGLE_NV; break;
2506 case WGL_MIPMAP_TEXTURE_ARB:
2507 if (use_render_texture_ati) {
2508 pglXQueryDrawable(object->display, object->drawable, GLX_MIPMAP_TEXTURE_ATI, (unsigned int*) piValue);
2510 *piValue = GL_FALSE; /** don't support that */
2511 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute);
2516 FIXME("unexpected attribute %x\n", iAttribute);
2524 * X11DRV_wglReleasePbufferDCARB
2526 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2528 static int WINAPI X11DRV_wglReleasePbufferDCARB(HPBUFFERARB hPbuffer, HDC hdc)
2530 TRACE("(%p, %p)\n", hPbuffer, hdc);
2536 * X11DRV_wglSetPbufferAttribARB
2538 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2540 static GLboolean WINAPI X11DRV_wglSetPbufferAttribARB(HPBUFFERARB hPbuffer, const int *piAttribList)
2542 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2543 WARN("(%p, %p): alpha-testing, report any problem\n", hPbuffer, piAttribList);
2544 if (NULL == object) {
2545 SetLastError(ERROR_INVALID_HANDLE);
2548 if (!object->use_render_texture) {
2549 SetLastError(ERROR_INVALID_HANDLE);
2552 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2555 if (NULL != pglXDrawableAttribATI) {
2556 if (use_render_texture_ati) {
2557 FIXME("Need conversion for GLX_ATI_render_texture\n");
2559 return pglXDrawableAttribATI(object->display, object->drawable, piAttribList);
2565 * X11DRV_wglChoosePixelFormatARB
2567 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2569 static GLboolean WINAPI X11DRV_wglChoosePixelFormatARB(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats)
2574 GLXFBConfig* cfgs = NULL;
2578 WineGLPixelFormat *fmt;
2582 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc, piAttribIList, pfAttribFList, nMaxFormats, piFormats, nNumFormats);
2583 if (NULL != pfAttribFList) {
2584 FIXME("unused pfAttribFList\n");
2587 nAttribs = ConvertAttribWGLtoGLX(piAttribIList, attribs, NULL);
2588 if (-1 == nAttribs) {
2589 WARN("Cannot convert WGL to GLX attributes\n");
2592 PUSH1(attribs, None);
2594 /* Search for FB configurations matching the requirements in attribs */
2595 cfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribs, &nCfgs);
2597 WARN("Compatible Pixel Format not found\n");
2601 /* Loop through all matching formats and check if they are suitable.
2602 * Note that this function should at max return nMaxFormats different formats */
2603 for(run=0; run < 2; run++)
2605 for (it = 0; it < nCfgs; ++it) {
2606 gl_test = pglXGetFBConfigAttrib(gdi_display, cfgs[it], GLX_FBCONFIG_ID, &fmt_id);
2608 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2612 /* Search for the format in our list of compatible formats */
2613 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fmt_id);
2617 /* During the first run we only want onscreen formats and during the second only offscreen 'XOR' */
2618 if( ((run == 0) && fmt->offscreenOnly) || ((run == 1) && !fmt->offscreenOnly) )
2621 if(pfmt_it < nMaxFormats) {
2622 piFormats[pfmt_it] = fmt->iPixelFormat;
2623 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n", it + 1, nCfgs, fmt_id, piFormats[pfmt_it]);
2629 *nNumFormats = pfmt_it;
2636 * X11DRV_wglGetPixelFormatAttribivARB
2638 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2640 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues)
2643 WineGLPixelFormat *fmt = NULL;
2647 int nWGLFormats = 0;
2649 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, piValues);
2651 if (0 < iLayerPlane) {
2652 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane);
2656 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supported.
2657 * We don't have to fail yet as a program can specify an invalid iPixelFormat (lets say 0) if it wants to query
2658 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2659 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, TRUE /* Offscreen */, &nWGLFormats);
2661 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat);
2664 for (i = 0; i < nAttributes; ++i) {
2665 const int curWGLAttr = piAttributes[i];
2666 TRACE("pAttr[%d] = %x\n", i, curWGLAttr);
2668 switch (curWGLAttr) {
2669 case WGL_NUMBER_PIXEL_FORMATS_ARB:
2670 piValues[i] = nWGLFormats;
2673 case WGL_SUPPORT_OPENGL_ARB:
2674 piValues[i] = GL_TRUE;
2677 case WGL_ACCELERATION_ARB:
2678 curGLXAttr = GLX_CONFIG_CAVEAT;
2679 if (!fmt) goto pix_error;
2680 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2681 if (hTest) goto get_error;
2683 case GLX_NONE: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2684 case GLX_SLOW_CONFIG: piValues[i] = WGL_GENERIC_ACCELERATION_ARB; break;
2685 case GLX_NON_CONFORMANT_CONFIG: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2687 ERR("unexpected Config Caveat(%x)\n", tmp);
2688 piValues[i] = WGL_NO_ACCELERATION_ARB;
2692 case WGL_TRANSPARENT_ARB:
2693 curGLXAttr = GLX_TRANSPARENT_TYPE;
2694 if (!fmt) goto pix_error;
2695 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2696 if (hTest) goto get_error;
2697 piValues[i] = GL_FALSE;
2698 if (GLX_NONE != tmp) piValues[i] = GL_TRUE;
2701 case WGL_PIXEL_TYPE_ARB:
2702 curGLXAttr = GLX_RENDER_TYPE;
2703 if (!fmt) goto pix_error;
2704 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2705 if (hTest) goto get_error;
2706 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp);
2707 if (tmp & GLX_RGBA_BIT) { piValues[i] = WGL_TYPE_RGBA_ARB; }
2708 else if (tmp & GLX_COLOR_INDEX_BIT) { piValues[i] = WGL_TYPE_COLORINDEX_ARB; }
2709 else if (tmp & GLX_RGBA_FLOAT_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2710 else if (tmp & GLX_RGBA_FLOAT_ATI_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2712 ERR("unexpected RenderType(%x)\n", tmp);
2713 piValues[i] = WGL_TYPE_RGBA_ARB;
2717 case WGL_COLOR_BITS_ARB:
2718 curGLXAttr = GLX_BUFFER_SIZE;
2721 case WGL_BIND_TO_TEXTURE_RGB_ARB:
2722 if (use_render_texture_ati) {
2723 curGLXAttr = GLX_BIND_TO_TEXTURE_RGB_ATI;
2726 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
2727 if (use_render_texture_ati) {
2728 curGLXAttr = GLX_BIND_TO_TEXTURE_RGBA_ATI;
2731 if (!use_render_texture_emulation) {
2732 piValues[i] = GL_FALSE;
2735 curGLXAttr = GLX_RENDER_TYPE;
2736 if (!fmt) goto pix_error;
2737 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2738 if (hTest) goto get_error;
2739 if (GLX_COLOR_INDEX_BIT == tmp) {
2740 piValues[i] = GL_FALSE;
2743 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp);
2744 if (hTest) goto get_error;
2745 piValues[i] = (tmp & GLX_PBUFFER_BIT) ? GL_TRUE : GL_FALSE;
2748 case WGL_BLUE_BITS_ARB:
2749 curGLXAttr = GLX_BLUE_SIZE;
2751 case WGL_RED_BITS_ARB:
2752 curGLXAttr = GLX_RED_SIZE;
2754 case WGL_GREEN_BITS_ARB:
2755 curGLXAttr = GLX_GREEN_SIZE;
2757 case WGL_ALPHA_BITS_ARB:
2758 curGLXAttr = GLX_ALPHA_SIZE;
2760 case WGL_DEPTH_BITS_ARB:
2761 curGLXAttr = GLX_DEPTH_SIZE;
2763 case WGL_STENCIL_BITS_ARB:
2764 curGLXAttr = GLX_STENCIL_SIZE;
2766 case WGL_DOUBLE_BUFFER_ARB:
2767 curGLXAttr = GLX_DOUBLEBUFFER;
2769 case WGL_STEREO_ARB:
2770 curGLXAttr = GLX_STEREO;
2772 case WGL_AUX_BUFFERS_ARB:
2773 curGLXAttr = GLX_AUX_BUFFERS;
2776 case WGL_SUPPORT_GDI_ARB:
2777 if (!fmt) goto pix_error;
2778 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &tmp);
2779 if (hTest) goto get_error;
2781 piValues[i] = GL_FALSE;
2784 curGLXAttr = GLX_X_RENDERABLE;
2787 case WGL_DRAW_TO_WINDOW_ARB:
2788 case WGL_DRAW_TO_BITMAP_ARB:
2789 case WGL_DRAW_TO_PBUFFER_ARB:
2790 if (!fmt) goto pix_error;
2791 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp);
2792 if (hTest) goto get_error;
2793 if((curWGLAttr == WGL_DRAW_TO_WINDOW_ARB && (tmp&GLX_WINDOW_BIT)) ||
2794 (curWGLAttr == WGL_DRAW_TO_BITMAP_ARB && (tmp&GLX_PIXMAP_BIT)) ||
2795 (curWGLAttr == WGL_DRAW_TO_PBUFFER_ARB && (tmp&GLX_PBUFFER_BIT)))
2796 piValues[i] = GL_TRUE;
2798 piValues[i] = GL_FALSE;
2801 case WGL_PBUFFER_LARGEST_ARB:
2802 curGLXAttr = GLX_LARGEST_PBUFFER;
2805 case WGL_SAMPLE_BUFFERS_ARB:
2806 curGLXAttr = GLX_SAMPLE_BUFFERS_ARB;
2809 case WGL_SAMPLES_ARB:
2810 curGLXAttr = GLX_SAMPLES_ARB;
2813 case WGL_FLOAT_COMPONENTS_NV:
2814 curGLXAttr = GLX_FLOAT_COMPONENTS_NV;
2817 case WGL_ACCUM_RED_BITS_ARB:
2818 curGLXAttr = GLX_ACCUM_RED_SIZE;
2820 case WGL_ACCUM_GREEN_BITS_ARB:
2821 curGLXAttr = GLX_ACCUM_GREEN_SIZE;
2823 case WGL_ACCUM_BLUE_BITS_ARB:
2824 curGLXAttr = GLX_ACCUM_BLUE_SIZE;
2826 case WGL_ACCUM_ALPHA_BITS_ARB:
2827 curGLXAttr = GLX_ACCUM_ALPHA_SIZE;
2829 case WGL_ACCUM_BITS_ARB:
2830 if (!fmt) goto pix_error;
2831 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_RED_SIZE, &tmp);
2832 if (hTest) goto get_error;
2834 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_GREEN_SIZE, &tmp);
2835 if (hTest) goto get_error;
2837 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_BLUE_SIZE, &tmp);
2838 if (hTest) goto get_error;
2840 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_ALPHA_SIZE, &tmp);
2841 if (hTest) goto get_error;
2846 FIXME("unsupported %x WGL Attribute\n", curWGLAttr);
2849 /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
2850 * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
2851 * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
2853 * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
2854 * and check which options can work using iPixelFormat=0 and which not.
2855 * A problem would be that this function is an extension. This would
2856 * mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
2858 if (0 != curGLXAttr && iPixelFormat != 0) {
2859 if (!fmt) goto pix_error;
2860 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, piValues + i);
2861 if (hTest) goto get_error;
2864 piValues[i] = GL_FALSE;
2870 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc, curGLXAttr);
2874 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc, iPixelFormat, nWGLFormats);
2879 * X11DRV_wglGetPixelFormatAttribfvARB
2881 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2883 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribfvARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues)
2889 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, pfValues);
2891 /* Allocate a temporary array to store integer values */
2892 attr = HeapAlloc(GetProcessHeap(), 0, nAttributes * sizeof(int));
2894 ERR("couldn't allocate %d array\n", nAttributes);
2898 /* Piggy-back on wglGetPixelFormatAttribivARB */
2899 ret = X11DRV_wglGetPixelFormatAttribivARB(hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, attr);
2901 /* Convert integer values to float. Should also check for attributes
2902 that can give decimal values here */
2903 for (i=0; i<nAttributes;i++) {
2904 pfValues[i] = attr[i];
2908 HeapFree(GetProcessHeap(), 0, attr);
2913 * X11DRV_wglBindTexImageARB
2915 * WGL_ARB_render_texture: wglBindTexImageARB
2917 static GLboolean WINAPI X11DRV_wglBindTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
2919 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2920 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
2921 if (NULL == object) {
2922 SetLastError(ERROR_INVALID_HANDLE);
2925 if (!object->use_render_texture) {
2926 SetLastError(ERROR_INVALID_HANDLE);
2930 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2931 static int init = 0;
2932 int prev_binded_texture = 0;
2933 GLXContext prev_context = pglXGetCurrentContext();
2934 Drawable prev_drawable = pglXGetCurrentDrawable();
2935 GLXContext tmp_context;
2937 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2938 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2939 isn't ideal performance wise but I wasn't able to get other ways working.
2942 init = 1; /* Only show the FIXME once for performance reasons */
2943 FIXME("partial stub!\n");
2946 TRACE("drawable=%p, context=%p\n", (void*)object->drawable, prev_context);
2947 tmp_context = pglXCreateNewContext(gdi_display, object->fmt->fbconfig, object->fmt->render_type, prev_context, True);
2949 pglGetIntegerv(object->texture_bind_target, &prev_binded_texture);
2951 /* Switch to our pbuffer */
2952 pglXMakeCurrent(gdi_display, object->drawable, tmp_context);
2954 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2955 * After that upload the pbuffer texture data. */
2956 pglBindTexture(object->texture_target, prev_binded_texture);
2957 pglCopyTexImage2D(object->texture_target, 0, object->use_render_texture, 0, 0, object->width, object->height, 0);
2959 /* Switch back to the original drawable and upload the pbuffer-texture */
2960 pglXMakeCurrent(object->display, prev_drawable, prev_context);
2961 pglXDestroyContext(gdi_display, tmp_context);
2965 if (NULL != pglXBindTexImageATI) {
2970 case WGL_FRONT_LEFT_ARB:
2971 buffer = GLX_FRONT_LEFT_ATI;
2973 case WGL_FRONT_RIGHT_ARB:
2974 buffer = GLX_FRONT_RIGHT_ATI;
2976 case WGL_BACK_LEFT_ARB:
2977 buffer = GLX_BACK_LEFT_ATI;
2979 case WGL_BACK_RIGHT_ARB:
2980 buffer = GLX_BACK_RIGHT_ATI;
2983 ERR("Unknown iBuffer=%#x\n", iBuffer);
2987 /* In the sample 'ogl_offscreen_rendering_3' from codesampler.net I get garbage on the screen.
2988 * I'm not sure if that's a bug in the ATI extension or in the program. I think that the program
2989 * expected a single buffering format since it didn't ask for double buffering. A buffer swap
2990 * fixed the program. I don't know what the correct behavior is. On the other hand that demo
2991 * works fine using our pbuffer emulation path.
2993 return pglXBindTexImageATI(object->display, object->drawable, buffer);
2999 * X11DRV_wglReleaseTexImageARB
3001 * WGL_ARB_render_texture: wglReleaseTexImageARB
3003 static GLboolean WINAPI X11DRV_wglReleaseTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
3005 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
3006 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
3007 if (NULL == object) {
3008 SetLastError(ERROR_INVALID_HANDLE);
3011 if (!object->use_render_texture) {
3012 SetLastError(ERROR_INVALID_HANDLE);
3015 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
3018 if (NULL != pglXReleaseTexImageATI) {
3023 case WGL_FRONT_LEFT_ARB:
3024 buffer = GLX_FRONT_LEFT_ATI;
3026 case WGL_FRONT_RIGHT_ARB:
3027 buffer = GLX_FRONT_RIGHT_ATI;
3029 case WGL_BACK_LEFT_ARB:
3030 buffer = GLX_BACK_LEFT_ATI;
3032 case WGL_BACK_RIGHT_ARB:
3033 buffer = GLX_BACK_RIGHT_ATI;
3036 ERR("Unknown iBuffer=%#x\n", iBuffer);
3039 return pglXReleaseTexImageATI(object->display, object->drawable, buffer);
3045 * X11DRV_wglGetExtensionsStringEXT
3047 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
3049 static const char * WINAPI X11DRV_wglGetExtensionsStringEXT(void) {
3050 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
3051 return WineGLInfo.wglExtensions;
3055 * X11DRV_wglGetSwapIntervalEXT
3057 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
3059 static int WINAPI X11DRV_wglGetSwapIntervalEXT(VOID) {
3060 FIXME("(),stub!\n");
3061 return swap_interval;
3065 * X11DRV_wglSwapIntervalEXT
3067 * WGL_EXT_swap_control: wglSwapIntervalEXT
3069 static BOOL WINAPI X11DRV_wglSwapIntervalEXT(int interval) {
3070 TRACE("(%d)\n", interval);
3071 swap_interval = interval;
3072 if (NULL != pglXSwapIntervalSGI) {
3073 return 0 == pglXSwapIntervalSGI(interval);
3075 WARN("(): GLX_SGI_swap_control extension seems not supported\n");
3080 * X11DRV_wglAllocateMemoryNV
3082 * WGL_NV_vertex_array_range: wglAllocateMemoryNV
3084 static void* WINAPI X11DRV_wglAllocateMemoryNV(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority) {
3085 TRACE("(%d, %f, %f, %f)\n", size, readfreq, writefreq, priority );
3086 if (pglXAllocateMemoryNV == NULL)
3089 return pglXAllocateMemoryNV(size, readfreq, writefreq, priority);
3093 * X11DRV_wglFreeMemoryNV
3095 * WGL_NV_vertex_array_range: wglFreeMemoryNV
3097 static void WINAPI X11DRV_wglFreeMemoryNV(GLvoid* pointer) {
3098 TRACE("(%p)\n", pointer);
3099 if (pglXFreeMemoryNV == NULL)
3102 pglXFreeMemoryNV(pointer);
3106 * glxRequireVersion (internal)
3108 * Check if the supported GLX version matches requiredVersion.
3110 static BOOL glxRequireVersion(int requiredVersion)
3112 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
3113 if(requiredVersion <= WineGLInfo.glxVersion[1])
3119 static BOOL glxRequireExtension(const char *requiredExtension)
3121 if (strstr(WineGLInfo.glxExtensions, requiredExtension) == NULL) {
3128 static void register_extension_string(const char *ext)
3130 if (WineGLInfo.wglExtensions[0])
3131 strcat(WineGLInfo.wglExtensions, " ");
3132 strcat(WineGLInfo.wglExtensions, ext);
3134 TRACE("'%s'\n", ext);
3137 static BOOL register_extension(const WineGLExtension * ext)
3141 assert( WineGLExtensionListSize < MAX_EXTENSIONS );
3142 WineGLExtensionList[WineGLExtensionListSize++] = ext;
3144 register_extension_string(ext->extName);
3146 for (i = 0; ext->extEntryPoints[i].funcName; ++i)
3147 TRACE(" - '%s'\n", ext->extEntryPoints[i].funcName);
3152 static const WineGLExtension WGL_internal_functions =
3156 { "wglGetIntegerv", X11DRV_wglGetIntegerv },
3157 { "wglFinish", X11DRV_wglFinish },
3158 { "wglFlush", X11DRV_wglFlush },
3163 static const WineGLExtension WGL_ARB_extensions_string =
3165 "WGL_ARB_extensions_string",
3167 { "wglGetExtensionsStringARB", X11DRV_wglGetExtensionsStringARB },
3171 static const WineGLExtension WGL_ARB_make_current_read =
3173 "WGL_ARB_make_current_read",
3175 { "wglGetCurrentReadDCARB", X11DRV_wglGetCurrentReadDCARB },
3176 { "wglMakeContextCurrentARB", X11DRV_wglMakeContextCurrentARB },
3180 static const WineGLExtension WGL_ARB_multisample =
3182 "WGL_ARB_multisample",
3185 static const WineGLExtension WGL_ARB_pbuffer =
3189 { "wglCreatePbufferARB", X11DRV_wglCreatePbufferARB },
3190 { "wglDestroyPbufferARB", X11DRV_wglDestroyPbufferARB },
3191 { "wglGetPbufferDCARB", X11DRV_wglGetPbufferDCARB },
3192 { "wglQueryPbufferARB", X11DRV_wglQueryPbufferARB },
3193 { "wglReleasePbufferDCARB", X11DRV_wglReleasePbufferDCARB },
3194 { "wglSetPbufferAttribARB", X11DRV_wglSetPbufferAttribARB },
3198 static const WineGLExtension WGL_ARB_pixel_format =
3200 "WGL_ARB_pixel_format",
3202 { "wglChoosePixelFormatARB", X11DRV_wglChoosePixelFormatARB },
3203 { "wglGetPixelFormatAttribfvARB", X11DRV_wglGetPixelFormatAttribfvARB },
3204 { "wglGetPixelFormatAttribivARB", X11DRV_wglGetPixelFormatAttribivARB },
3208 static const WineGLExtension WGL_ARB_render_texture =
3210 "WGL_ARB_render_texture",
3212 { "wglBindTexImageARB", X11DRV_wglBindTexImageARB },
3213 { "wglReleaseTexImageARB", X11DRV_wglReleaseTexImageARB },
3217 static const WineGLExtension WGL_EXT_extensions_string =
3219 "WGL_EXT_extensions_string",
3221 { "wglGetExtensionsStringEXT", X11DRV_wglGetExtensionsStringEXT },
3225 static const WineGLExtension WGL_EXT_swap_control =
3227 "WGL_EXT_swap_control",
3229 { "wglSwapIntervalEXT", X11DRV_wglSwapIntervalEXT },
3230 { "wglGetSwapIntervalEXT", X11DRV_wglGetSwapIntervalEXT },
3234 static const WineGLExtension WGL_NV_vertex_array_range =
3236 "WGL_NV_vertex_array_range",
3238 { "wglAllocateMemoryNV", X11DRV_wglAllocateMemoryNV },
3239 { "wglFreeMemoryNV", X11DRV_wglFreeMemoryNV },
3244 * X11DRV_WineGL_LoadExtensions
3246 static void X11DRV_WineGL_LoadExtensions(void)
3248 WineGLInfo.wglExtensions[0] = 0;
3250 /* Load Wine internal functions */
3251 register_extension(&WGL_internal_functions);
3253 /* ARB Extensions */
3255 if(glxRequireExtension("GLX_ARB_fbconfig_float"))
3257 register_extension_string("WGL_ARB_pixel_format_float");
3258 register_extension_string("WGL_ATI_pixel_format_float");
3261 register_extension(&WGL_ARB_extensions_string);
3263 if (glxRequireVersion(3))
3264 register_extension(&WGL_ARB_make_current_read);
3266 if (glxRequireExtension("GLX_ARB_multisample"))
3267 register_extension(&WGL_ARB_multisample);
3269 /* In general pbuffer functionality requires support in the X-server. The functionality is
3270 * available either when the GLX_SGIX_pbuffer is present or when the GLX server version is 1.3.
3271 * All display drivers except for Nvidia's use the GLX module from Xfree86/Xorg which only
3272 * supports GLX 1.2. The endresult is that only Nvidia's drivers support pbuffers.
3274 * The only other drive which has pbuffer support is Ati's FGLRX driver. They provide clientside GLX 1.3 support
3275 * without support in the X-server (which other Mesa based drivers require).
3277 * Support pbuffers when the GLX version is 1.3 and GLX_SGIX_pbuffer is available. Further pbuffers can
3278 * also be supported when GLX_ATI_render_texture is available. This extension depends on pbuffers, so when it
3279 * is available pbuffers must be available too. */
3280 if ( (glxRequireVersion(3) && glxRequireExtension("GLX_SGIX_pbuffer")) || glxRequireExtension("GLX_ATI_render_texture"))
3281 register_extension(&WGL_ARB_pbuffer);
3283 register_extension(&WGL_ARB_pixel_format);
3285 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
3286 if (glxRequireExtension("GLX_ATI_render_texture") ||
3287 glxRequireExtension("GLX_ARB_render_texture") ||
3288 (glxRequireVersion(3) && glxRequireExtension("GLX_SGIX_pbuffer") && use_render_texture_emulation))
3290 register_extension(&WGL_ARB_render_texture);
3292 /* The WGL version of GLX_NV_float_buffer requires render_texture */
3293 if(glxRequireExtension("GLX_NV_float_buffer"))
3294 register_extension_string("WGL_NV_float_buffer");
3296 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
3297 if(strstr(WineGLInfo.glExtensions, "GL_NV_texture_rectangle") != NULL)
3298 register_extension_string("WGL_NV_texture_rectangle");
3301 /* EXT Extensions */
3303 register_extension(&WGL_EXT_extensions_string);
3305 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
3306 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
3307 register_extension(&WGL_EXT_swap_control);
3309 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
3310 if(strstr(WineGLInfo.glExtensions, "GL_NV_vertex_array_range") != NULL)
3311 register_extension(&WGL_NV_vertex_array_range);
3315 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3321 if (physDev->bitmap->hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
3322 ret = physDev->drawable; /* PBuffer */
3324 ret = physDev->bitmap->glxpixmap;
3326 else if(physDev->gl_drawable)
3327 ret = physDev->gl_drawable;
3329 ret = physDev->drawable;
3333 BOOL destroy_glxpixmap(Display *display, XID glxpixmap)
3336 pglXDestroyGLXPixmap(display, glxpixmap);
3337 wine_tsx11_unlock();
3342 * X11DRV_SwapBuffers
3344 * Swap the buffers of this DC
3346 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev)
3348 GLXDrawable drawable;
3349 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
3351 if (!has_opengl()) {
3352 ERR("No libGL on this box - disabling OpenGL support !\n");
3356 TRACE_(opengl)("(%p)\n", physDev);
3358 drawable = get_glxdrawable(physDev);
3362 if(physDev->pixmap) {
3363 if(pglXCopySubBufferMESA) {
3364 int w = physDev->dc_rect.right - physDev->dc_rect.left;
3365 int h = physDev->dc_rect.bottom - physDev->dc_rect.top;
3367 /* (glX)SwapBuffers has an implicit glFlush effect, however
3368 * GLX_MESA_copy_sub_buffer doesn't. Make sure GL is flushed before
3372 pglXCopySubBufferMESA(gdi_display, drawable, 0, 0, w, h);
3375 pglXSwapBuffers(gdi_display, drawable);
3378 pglXSwapBuffers(gdi_display, drawable);
3380 flush_gl_drawable(physDev);
3381 wine_tsx11_unlock();
3386 static long prev_time, frames;
3388 DWORD time = GetTickCount();
3390 /* every 1.5 seconds */
3391 if (time - prev_time > 1500) {
3392 TRACE_(fps)("@ approx %.2ffps\n", 1000.0*frames/(time - prev_time));
3401 XVisualInfo *visual_from_fbconfig_id( XID fbconfig_id )
3403 WineGLPixelFormat *fmt;
3405 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fbconfig_id);
3408 return pglXGetVisualFromFBConfig(gdi_display, fmt->fbconfig);
3411 #else /* no OpenGL includes */
3413 int pixelformat_from_fbconfig_id(XID fbconfig_id)
3418 void mark_drawable_dirty(Drawable old, Drawable new)
3422 void flush_gl_drawable(X11DRV_PDEVICE *physDev)
3426 Drawable create_glxpixmap(Display *display, XVisualInfo *vis, Pixmap parent)
3431 /***********************************************************************
3432 * ChoosePixelFormat (X11DRV.@)
3434 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
3435 const PIXELFORMATDESCRIPTOR *ppfd) {
3436 ERR("No OpenGL support compiled in.\n");
3441 /***********************************************************************
3442 * DescribePixelFormat (X11DRV.@)
3444 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
3447 PIXELFORMATDESCRIPTOR *ppfd) {
3448 ERR("No OpenGL support compiled in.\n");
3453 /***********************************************************************
3454 * GetPixelFormat (X11DRV.@)
3456 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
3457 ERR("No OpenGL support compiled in.\n");
3462 /***********************************************************************
3463 * SetPixelFormat (X11DRV.@)
3465 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
3467 const PIXELFORMATDESCRIPTOR *ppfd) {
3468 ERR("No OpenGL support compiled in.\n");
3473 /***********************************************************************
3474 * SwapBuffers (X11DRV.@)
3476 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev) {
3477 ERR_(opengl)("No OpenGL support compiled in.\n");
3483 * X11DRV_wglCopyContext
3485 * For OpenGL32 wglCopyContext.
3487 BOOL X11DRV_wglCopyContext(HGLRC hglrcSrc, HGLRC hglrcDst, UINT mask) {
3488 ERR_(opengl)("No OpenGL support compiled in.\n");
3493 * X11DRV_wglCreateContext
3495 * For OpenGL32 wglCreateContext.
3497 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev) {
3498 ERR_(opengl)("No OpenGL support compiled in.\n");
3503 * X11DRV_wglDeleteContext
3505 * For OpenGL32 wglDeleteContext.
3507 BOOL X11DRV_wglDeleteContext(HGLRC hglrc) {
3508 ERR_(opengl)("No OpenGL support compiled in.\n");
3513 * X11DRV_wglGetProcAddress
3515 * For OpenGL32 wglGetProcAddress.
3517 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc) {
3518 ERR_(opengl)("No OpenGL support compiled in.\n");
3522 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *hDevice, void *hPbuffer)
3524 ERR_(opengl)("No OpenGL support compiled in.\n");
3528 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* hDrawDev, X11DRV_PDEVICE* hReadDev, HGLRC hglrc) {
3529 ERR_(opengl)("No OpenGL support compiled in.\n");
3534 * X11DRV_wglMakeCurrent
3536 * For OpenGL32 wglMakeCurrent.
3538 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
3539 ERR_(opengl)("No OpenGL support compiled in.\n");
3544 * X11DRV_wglShareLists
3546 * For OpenGL32 wglShaderLists.
3548 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
3549 ERR_(opengl)("No OpenGL support compiled in.\n");
3554 * X11DRV_wglUseFontBitmapsA
3556 * For OpenGL32 wglUseFontBitmapsA.
3558 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3560 ERR_(opengl)("No OpenGL support compiled in.\n");
3565 * X11DRV_wglUseFontBitmapsW
3567 * For OpenGL32 wglUseFontBitmapsW.
3569 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3571 ERR_(opengl)("No OpenGL support compiled in.\n");
3575 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3580 BOOL destroy_glxpixmap(Display *display, XID glxpixmap)
3585 XVisualInfo *visual_from_fbconfig_id( XID fbconfig_id )
3590 #endif /* defined(HAVE_OPENGL) */