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(glXCreateContext)
215 MAKE_FUNCPTR(glXCreateGLXPixmap)
216 MAKE_FUNCPTR(glXGetCurrentContext)
217 MAKE_FUNCPTR(glXGetCurrentDrawable)
218 MAKE_FUNCPTR(glXDestroyContext)
219 MAKE_FUNCPTR(glXDestroyGLXPixmap)
220 MAKE_FUNCPTR(glXGetConfig)
221 MAKE_FUNCPTR(glXIsDirect)
222 MAKE_FUNCPTR(glXMakeCurrent)
223 MAKE_FUNCPTR(glXSwapBuffers)
224 MAKE_FUNCPTR(glXQueryExtension)
225 MAKE_FUNCPTR(glXQueryVersion)
226 MAKE_FUNCPTR(glXUseXFont)
229 MAKE_FUNCPTR(glXGetClientString)
230 MAKE_FUNCPTR(glXQueryExtensionsString)
231 MAKE_FUNCPTR(glXQueryServerString)
234 MAKE_FUNCPTR(glXGetFBConfigs)
235 MAKE_FUNCPTR(glXChooseFBConfig)
236 MAKE_FUNCPTR(glXCreatePbuffer)
237 MAKE_FUNCPTR(glXCreateNewContext)
238 MAKE_FUNCPTR(glXDestroyPbuffer)
239 MAKE_FUNCPTR(glXGetFBConfigAttrib)
240 MAKE_FUNCPTR(glXGetVisualFromFBConfig)
241 MAKE_FUNCPTR(glXMakeContextCurrent)
242 MAKE_FUNCPTR(glXQueryDrawable)
243 MAKE_FUNCPTR(glXGetCurrentReadDrawable)
246 static void* (*pglXGetProcAddressARB)(const GLubyte *);
247 static int (*pglXSwapIntervalSGI)(int);
249 /* ATI GLX Extensions */
250 static BOOL (*pglXBindTexImageATI)(Display *dpy, GLXPbuffer pbuffer, int buffer);
251 static BOOL (*pglXReleaseTexImageATI)(Display *dpy, GLXPbuffer pbuffer, int buffer);
252 static BOOL (*pglXDrawableAttribATI)(Display *dpy, GLXDrawable draw, const int *attribList);
254 /* NV GLX Extension */
255 static void* (*pglXAllocateMemoryNV)(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
256 static void (*pglXFreeMemoryNV)(GLvoid *pointer);
258 /* MESA GLX Extensions */
259 static void (*pglXCopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
261 /* Standard OpenGL */
262 MAKE_FUNCPTR(glBindTexture)
263 MAKE_FUNCPTR(glBitmap)
264 MAKE_FUNCPTR(glCopyTexSubImage1D)
265 MAKE_FUNCPTR(glCopyTexImage2D)
266 MAKE_FUNCPTR(glCopyTexSubImage2D)
267 MAKE_FUNCPTR(glDrawBuffer)
268 MAKE_FUNCPTR(glEndList)
269 MAKE_FUNCPTR(glGetError)
270 MAKE_FUNCPTR(glGetIntegerv)
271 MAKE_FUNCPTR(glGetString)
272 MAKE_FUNCPTR(glNewList)
273 MAKE_FUNCPTR(glPixelStorei)
274 MAKE_FUNCPTR(glReadPixels)
275 MAKE_FUNCPTR(glTexImage2D)
276 MAKE_FUNCPTR(glFinish)
277 MAKE_FUNCPTR(glFlush)
280 static BOOL X11DRV_WineGL_InitOpenglInfo(void)
282 static BOOL infoInitialized = FALSE;
284 int screen = DefaultScreen(gdi_display);
285 Window win = RootWindow(gdi_display, screen);
287 XVisualInfo template;
290 GLXContext ctx = NULL;
294 infoInitialized = TRUE;
298 visual = DefaultVisual(gdi_display, screen);
299 template.visualid = XVisualIDFromVisual(visual);
300 vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
302 WORD old_fs = wine_get_fs();
303 /* Create a GLX Context. Without one we can't query GL information */
304 ctx = pglXCreateContext(gdi_display, vis, None, GL_TRUE);
305 if (wine_get_fs() != old_fs)
307 wine_set_fs( old_fs );
309 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
310 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
316 pglXMakeCurrent(gdi_display, win, ctx);
318 ERR(" couldn't initialize OpenGL, expect problems\n");
323 WineGLInfo.glVersion = (const char *) pglGetString(GL_VERSION);
324 WineGLInfo.glExtensions = strdup((const char *) pglGetString(GL_EXTENSIONS));
326 /* Get the common GLX version supported by GLX client and server ( major/minor) */
327 pglXQueryVersion(gdi_display, &WineGLInfo.glxVersion[0], &WineGLInfo.glxVersion[1]);
329 WineGLInfo.glxServerVersion = pglXQueryServerString(gdi_display, screen, GLX_VERSION);
330 WineGLInfo.glxServerVendor = pglXQueryServerString(gdi_display, screen, GLX_VENDOR);
331 WineGLInfo.glxServerExtensions = pglXQueryServerString(gdi_display, screen, GLX_EXTENSIONS);
333 WineGLInfo.glxClientVersion = pglXGetClientString(gdi_display, GLX_VERSION);
334 WineGLInfo.glxClientVendor = pglXGetClientString(gdi_display, GLX_VENDOR);
335 WineGLInfo.glxClientExtensions = pglXGetClientString(gdi_display, GLX_EXTENSIONS);
337 WineGLInfo.glxExtensions = pglXQueryExtensionsString(gdi_display, screen);
338 WineGLInfo.glxDirect = pglXIsDirect(gdi_display, ctx);
340 TRACE("GL version : %s.\n", WineGLInfo.glVersion);
341 TRACE("GL renderer : %s.\n", pglGetString(GL_RENDERER));
342 TRACE("GLX version : %d.%d.\n", WineGLInfo.glxVersion[0], WineGLInfo.glxVersion[1]);
343 TRACE("Server GLX version : %s.\n", WineGLInfo.glxServerVersion);
344 TRACE("Server GLX vendor: : %s.\n", WineGLInfo.glxServerVendor);
345 TRACE("Client GLX version : %s.\n", WineGLInfo.glxClientVersion);
346 TRACE("Client GLX vendor: : %s.\n", WineGLInfo.glxClientVendor);
347 TRACE("Direct rendering enabled: %s\n", WineGLInfo.glxDirect ? "True" : "False");
351 pglXMakeCurrent(gdi_display, None, NULL);
352 pglXDestroyContext(gdi_display, ctx);
358 static BOOL has_opengl(void)
360 static int init_done;
361 static void *opengl_handle;
363 int error_base, event_base;
365 if (init_done) return (opengl_handle != NULL);
368 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
369 and include all dependencies */
370 opengl_handle = wine_dlopen(SONAME_LIBGL, RTLD_NOW|RTLD_GLOBAL, NULL, 0);
371 if (opengl_handle == NULL) return FALSE;
373 pglXGetProcAddressARB = wine_dlsym(opengl_handle, "glXGetProcAddressARB", NULL, 0);
374 if (pglXGetProcAddressARB == NULL) {
375 ERR("could not find glXGetProcAddressARB in libGL.\n");
379 #define LOAD_FUNCPTR(f) if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) goto sym_not_found;
381 LOAD_FUNCPTR(glXChooseVisual)
382 LOAD_FUNCPTR(glXCreateContext)
383 LOAD_FUNCPTR(glXCreateGLXPixmap)
384 LOAD_FUNCPTR(glXGetCurrentContext)
385 LOAD_FUNCPTR(glXGetCurrentDrawable)
386 LOAD_FUNCPTR(glXDestroyContext)
387 LOAD_FUNCPTR(glXDestroyGLXPixmap)
388 LOAD_FUNCPTR(glXGetConfig)
389 LOAD_FUNCPTR(glXIsDirect)
390 LOAD_FUNCPTR(glXMakeCurrent)
391 LOAD_FUNCPTR(glXSwapBuffers)
392 LOAD_FUNCPTR(glXQueryExtension)
393 LOAD_FUNCPTR(glXQueryVersion)
394 LOAD_FUNCPTR(glXUseXFont)
397 LOAD_FUNCPTR(glXGetClientString)
398 LOAD_FUNCPTR(glXQueryExtensionsString)
399 LOAD_FUNCPTR(glXQueryServerString)
402 LOAD_FUNCPTR(glXCreatePbuffer)
403 LOAD_FUNCPTR(glXCreateNewContext)
404 LOAD_FUNCPTR(glXDestroyPbuffer)
405 LOAD_FUNCPTR(glXMakeContextCurrent)
406 LOAD_FUNCPTR(glXGetCurrentReadDrawable)
407 LOAD_FUNCPTR(glXGetFBConfigs)
409 /* Standard OpenGL calls */
410 LOAD_FUNCPTR(glBindTexture)
411 LOAD_FUNCPTR(glBitmap)
412 LOAD_FUNCPTR(glCopyTexSubImage1D)
413 LOAD_FUNCPTR(glCopyTexImage2D)
414 LOAD_FUNCPTR(glCopyTexSubImage2D)
415 LOAD_FUNCPTR(glDrawBuffer)
416 LOAD_FUNCPTR(glEndList)
417 LOAD_FUNCPTR(glGetError)
418 LOAD_FUNCPTR(glGetIntegerv)
419 LOAD_FUNCPTR(glGetString)
420 LOAD_FUNCPTR(glNewList)
421 LOAD_FUNCPTR(glPixelStorei)
422 LOAD_FUNCPTR(glReadPixels)
423 LOAD_FUNCPTR(glTexImage2D)
424 LOAD_FUNCPTR(glFinish)
425 LOAD_FUNCPTR(glFlush)
428 /* It doesn't matter if these fail. They'll only be used if the driver reports
429 the associated extension is available (and if a driver reports the extension
430 is available but fails to provide the functions, it's quite broken) */
431 #define LOAD_FUNCPTR(f) p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f);
432 /* NV GLX Extension */
433 LOAD_FUNCPTR(glXAllocateMemoryNV)
434 LOAD_FUNCPTR(glXFreeMemoryNV)
437 if(!X11DRV_WineGL_InitOpenglInfo()) {
438 wine_dlclose(opengl_handle, NULL, 0);
439 opengl_handle = NULL;
444 if (pglXQueryExtension(gdi_display, &error_base, &event_base) == True) {
445 TRACE("GLX is up and running error_base = %d\n", error_base);
447 wine_dlclose(opengl_handle, NULL, 0);
448 opengl_handle = NULL;
451 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
452 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
455 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
456 * depends on the reported GLX client / server version and on the client / server extension list.
457 * Those don't have to be the same.
459 * In general the server GLX information lists the capabilities in case of indirect rendering.
460 * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are
461 * available and in that case the client GLX informat can be used.
462 * OpenGL programs should use the 'intersection' of both sets of information which is advertised
463 * in the GLX version/extension list. When a program does this it works for certain for both
464 * direct and indirect rendering.
466 * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason
467 * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client
468 * extension list which causes this extension not to be listed. (Wine requires this extension).
469 * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among
470 * pbuffers is around.
472 * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect
473 * the ATI drivers and from then on use GLX client information for them.
476 if(glxRequireVersion(3)) {
477 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig");
478 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib");
479 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig");
480 pglXQueryDrawable = (void*)pglXGetProcAddressARB((const GLubyte *) "glXQueryDrawable");
481 } else if(glxRequireExtension("GLX_SGIX_fbconfig")) {
482 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfigSGIX");
483 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttribSGIX");
484 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfigSGIX");
486 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
487 * enable this function when the Xserver understand GLX 1.3 or newer
489 pglXQueryDrawable = NULL;
490 } else if(strcmp("ATI", WineGLInfo.glxClientVendor) == 0) {
491 TRACE("Overriding ATI GLX capabilities!\n");
492 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig");
493 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib");
494 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig");
495 pglXQueryDrawable = (void*)pglXGetProcAddressARB((const GLubyte *) "glXQueryDrawable");
497 /* Use client GLX information in case of the ATI drivers. We override the
498 * capabilities over here and not somewhere else as ATI might better their
499 * life in the future. In case they release proper drivers this block of
500 * code won't be called. */
501 WineGLInfo.glxExtensions = WineGLInfo.glxClientExtensions;
503 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", WineGLInfo.glxServerVersion);
506 if(glxRequireExtension("GLX_ATI_render_texture")) {
507 use_render_texture_ati = 1;
508 pglXBindTexImageATI = (void*)pglXGetProcAddressARB((const GLubyte *) "glXBindTexImageATI");
509 pglXReleaseTexImageATI = (void*)pglXGetProcAddressARB((const GLubyte *) "glXReleaseTexImageATI");
510 pglXDrawableAttribATI = (void*)pglXGetProcAddressARB((const GLubyte *) "glXDrawableAttribATI");
513 if(glxRequireExtension("GLX_MESA_copy_sub_buffer")) {
514 pglXCopySubBufferMESA = (void*)pglXGetProcAddressARB((const GLubyte *) "glXCopySubBufferMESA");
517 X11DRV_WineGL_LoadExtensions();
520 return (opengl_handle != NULL);
523 wine_dlclose(opengl_handle, NULL, 0);
524 opengl_handle = NULL;
528 static inline Wine_GLContext *alloc_context(void)
532 if ((ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLContext))))
534 ret->next = context_list;
535 if (context_list) context_list->prev = ret;
541 static inline void free_context(Wine_GLContext *context)
543 if (context->next != NULL) context->next->prev = context->prev;
544 if (context->prev != NULL) context->prev->next = context->next;
545 else context_list = context->next;
547 if (context->vis) XFree(context->vis);
548 HeapFree(GetProcessHeap(), 0, context);
551 static inline BOOL is_valid_context( Wine_GLContext *ctx )
554 for (ptr = context_list; ptr; ptr = ptr->next) if (ptr == ctx) break;
555 return (ptr != NULL);
558 static int describeContext(Wine_GLContext* ctx) {
561 TRACE(" Context %p have (vis:%p):\n", ctx, ctx->vis);
562 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_FBCONFIG_ID, &tmp);
563 TRACE(" - FBCONFIG_ID 0x%x\n", tmp);
564 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_VISUAL_ID, &tmp);
565 TRACE(" - VISUAL_ID 0x%x\n", tmp);
570 static int describeDrawable(Wine_GLContext* ctx, Drawable drawable) {
573 int attribList[3] = { GLX_FBCONFIG_ID, 0, None };
576 if (pglXQueryDrawable == NULL) {
577 /** glXQueryDrawable not available so returns not supported */
581 TRACE(" Drawable %p have :\n", (void*) drawable);
582 pglXQueryDrawable(gdi_display, drawable, GLX_WIDTH, (unsigned int*) &tmp);
583 TRACE(" - WIDTH as %d\n", tmp);
584 pglXQueryDrawable(gdi_display, drawable, GLX_HEIGHT, (unsigned int*) &tmp);
585 TRACE(" - HEIGHT as %d\n", tmp);
586 pglXQueryDrawable(gdi_display, drawable, GLX_FBCONFIG_ID, (unsigned int*) &tmp);
587 TRACE(" - FBCONFIG_ID as 0x%x\n", tmp);
590 fbCfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribList, &nElements);
591 if (fbCfgs == NULL) {
595 pglXGetFBConfigAttrib(gdi_display, fbCfgs[0], GLX_VISUAL_ID, &tmp);
596 TRACE(" - VISUAL_ID as 0x%x\n", tmp);
603 static int ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, Wine_GLPBuffer* pbuf) {
608 int nvfloatattrib = GLX_DONT_CARE;
613 /* The list of WGL attributes is allowed to be NULL. We don't return here for NULL
614 * because we need to do fixups for GLX_DRAWABLE_TYPE/GLX_RENDER_TYPE/GLX_FLOAT_COMPONENTS_NV. */
615 while (iWGLAttr && 0 != iWGLAttr[cur]) {
616 TRACE("pAttr[%d] = %x\n", cur, iWGLAttr[cur]);
618 switch (iWGLAttr[cur]) {
619 case WGL_COLOR_BITS_ARB:
620 pop = iWGLAttr[++cur];
621 PUSH2(oGLXAttr, GLX_BUFFER_SIZE, pop);
622 TRACE("pAttr[%d] = GLX_BUFFER_SIZE: %d\n", cur, pop);
624 case WGL_BLUE_BITS_ARB:
625 pop = iWGLAttr[++cur];
626 PUSH2(oGLXAttr, GLX_BLUE_SIZE, pop);
627 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur, pop);
629 case WGL_RED_BITS_ARB:
630 pop = iWGLAttr[++cur];
631 PUSH2(oGLXAttr, GLX_RED_SIZE, pop);
632 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur, pop);
634 case WGL_GREEN_BITS_ARB:
635 pop = iWGLAttr[++cur];
636 PUSH2(oGLXAttr, GLX_GREEN_SIZE, pop);
637 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur, pop);
639 case WGL_ALPHA_BITS_ARB:
640 pop = iWGLAttr[++cur];
641 PUSH2(oGLXAttr, GLX_ALPHA_SIZE, pop);
642 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur, pop);
644 case WGL_DEPTH_BITS_ARB:
645 pop = iWGLAttr[++cur];
646 PUSH2(oGLXAttr, GLX_DEPTH_SIZE, pop);
647 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur, pop);
649 case WGL_STENCIL_BITS_ARB:
650 pop = iWGLAttr[++cur];
651 PUSH2(oGLXAttr, GLX_STENCIL_SIZE, pop);
652 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur, pop);
654 case WGL_DOUBLE_BUFFER_ARB:
655 pop = iWGLAttr[++cur];
656 PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, pop);
657 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur, pop);
661 case WGL_PIXEL_TYPE_ARB:
662 pop = iWGLAttr[++cur];
663 TRACE("pAttr[%d] = WGL_PIXEL_TYPE_ARB: %d\n", cur, pop);
665 case WGL_TYPE_COLORINDEX_ARB: pixelattrib = GLX_COLOR_INDEX_BIT; break ;
666 case WGL_TYPE_RGBA_ARB: pixelattrib = GLX_RGBA_BIT; break ;
667 /* 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 */
668 case WGL_TYPE_RGBA_FLOAT_ATI: pixelattrib = GLX_RGBA_FLOAT_BIT; break ;
670 ERR("unexpected PixelType(%x)\n", pop);
675 case WGL_SUPPORT_GDI_ARB:
676 pop = iWGLAttr[++cur];
677 PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
678 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur, pop);
682 case WGL_DRAW_TO_BITMAP_ARB:
683 pop = iWGLAttr[++cur];
684 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur, pop);
685 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
687 drawattrib |= GLX_PIXMAP_BIT;
691 case WGL_DRAW_TO_WINDOW_ARB:
692 pop = iWGLAttr[++cur];
693 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur, pop);
694 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
696 drawattrib |= GLX_WINDOW_BIT;
700 case WGL_DRAW_TO_PBUFFER_ARB:
701 pop = iWGLAttr[++cur];
702 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur, pop);
703 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
705 drawattrib |= GLX_PBUFFER_BIT;
709 case WGL_ACCELERATION_ARB:
710 case WGL_SUPPORT_OPENGL_ARB:
711 pop = iWGLAttr[++cur];
712 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
713 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur, pop);
716 case WGL_PBUFFER_LARGEST_ARB:
717 pop = iWGLAttr[++cur];
718 PUSH2(oGLXAttr, GLX_LARGEST_PBUFFER, pop);
719 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur, pop);
722 case WGL_SAMPLE_BUFFERS_ARB:
723 pop = iWGLAttr[++cur];
724 PUSH2(oGLXAttr, GLX_SAMPLE_BUFFERS_ARB, pop);
725 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur, pop);
728 case WGL_SAMPLES_ARB:
729 pop = iWGLAttr[++cur];
730 PUSH2(oGLXAttr, GLX_SAMPLES_ARB, pop);
731 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur, pop);
734 case WGL_TEXTURE_FORMAT_ARB:
735 case WGL_TEXTURE_TARGET_ARB:
736 case WGL_MIPMAP_TEXTURE_ARB:
737 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr[cur], iWGLAttr[cur + 1]);
738 pop = iWGLAttr[++cur];
740 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr[cur]);
742 if (use_render_texture_ati) {
743 /** nothing to do here */
745 else if (!use_render_texture_emulation) {
746 if (WGL_NO_TEXTURE_ARB != pop) {
747 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr[cur]);
748 return -1; /** error: don't support it */
750 PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
751 drawattrib |= GLX_PBUFFER_BIT;
755 case WGL_FLOAT_COMPONENTS_NV:
756 nvfloatattrib = iWGLAttr[++cur];
757 TRACE("pAttr[%d] = WGL_FLOAT_COMPONENTS_NV: %x\n", cur, nvfloatattrib);
759 case WGL_BIND_TO_TEXTURE_RGB_ARB:
760 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
761 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV:
762 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV:
763 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV:
764 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV:
765 pop = iWGLAttr[++cur];
766 /** cannot be converted, see direct handling on
767 * - wglGetPixelFormatAttribivARB
768 * TODO: wglChoosePixelFormat
773 FIXME("unsupported %x WGL Attribute\n", iWGLAttr[cur]);
781 WARN("Attempting double-buffered gdi format\n");
785 PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, False);
788 /* Apply the OR'd drawable type bitmask now EVEN when WGL_DRAW_TO* is unset.
789 * It is needed in all cases because GLX_DRAWABLE_TYPE default to GLX_WINDOW_BIT. */
790 PUSH2(oGLXAttr, GLX_DRAWABLE_TYPE, drawattrib);
791 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib);
793 /* Set GLX_RENDER_TYPE all the time */
794 PUSH2(oGLXAttr, GLX_RENDER_TYPE, pixelattrib);
795 TRACE("pAttr[?] = GLX_RENDER_TYPE: %#x\n", pixelattrib);
797 /* Set GLX_FLOAT_COMPONENTS_NV all the time */
798 if(strstr(WineGLInfo.glxExtensions, "GLX_NV_float_buffer")) {
799 PUSH2(oGLXAttr, GLX_FLOAT_COMPONENTS_NV, nvfloatattrib);
800 TRACE("pAttr[?] = GLX_FLOAT_COMPONENTS_NV: %#x\n", nvfloatattrib);
806 static int get_render_type_from_fbconfig(Display *display, GLXFBConfig fbconfig)
808 int render_type=0, render_type_bit;
809 pglXGetFBConfigAttrib(display, fbconfig, GLX_RENDER_TYPE, &render_type_bit);
810 switch(render_type_bit)
813 render_type = GLX_RGBA_TYPE;
815 case GLX_COLOR_INDEX_BIT:
816 render_type = GLX_COLOR_INDEX_TYPE;
818 case GLX_RGBA_FLOAT_BIT:
819 render_type = GLX_RGBA_FLOAT_TYPE;
822 ERR("Unknown render_type: %x\n", render_type);
827 static BOOL init_formats(Display *display, int screen, Visual *visual)
829 int fmt_id, tmp_fmt_id, nCfgs, i;
831 GLXFBConfig fbconfig = NULL;
832 XVisualInfo *visinfo;
833 VisualID visualid = XVisualIDFromVisual(visual);
834 int nOffscreenFormats = 0;
836 /* As mentioned in various parts of the code only the format of the main visual can be used for onscreen rendering.
837 * Next to this format there are also so called offscreen rendering formats (used for pbuffers) which can be supported
838 * because they don't need a visual. Below we use glXGetFBConfigs instead of glXChooseFBConfig to enumerate the fb configurations
839 * because this call lists both types of formats instead of only onscreen ones. */
840 cfgs = pglXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
841 if (NULL == cfgs || 0 == nCfgs) {
842 ERR("glXChooseFBConfig returns NULL\n");
843 if(cfgs != NULL) XFree(cfgs);
847 /* Count the number of offscreen formats to determine the size for our pixelformat list */
848 for(i=0; i<nCfgs; i++) {
849 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &tmp_fmt_id);
851 visinfo = pglXGetVisualFromFBConfig(display, cfgs[i]);
852 /* Onscreen formats have a corresponding XVisual, offscreen ones don't */
855 } else if(visinfo && visinfo->visualid == visualid) {
856 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &fmt_id);
861 TRACE("Number of offscreen formats: %d\n", nOffscreenFormats);
863 /* Allocate memory for all the offscreen pixelformats and the format of Wine's main visual */
864 WineGLPixelFormatList = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (1+nOffscreenFormats)*sizeof(WineGLPixelFormat));
865 WineGLPixelFormatList[0].iPixelFormat = 1;
866 WineGLPixelFormatList[0].fbconfig = fbconfig;
867 WineGLPixelFormatList[0].fmt_id = fmt_id;
868 WineGLPixelFormatList[0].render_type = get_render_type_from_fbconfig(display, fbconfig);
869 WineGLPixelFormatList[0].offscreenOnly = FALSE;
870 WineGLPixelFormatListSize = 1;
871 WineGLPixelFormatOnScreenSize = 1;
873 /* Fill the list with offscreen formats */
874 for(i=0; i<nCfgs; i++) {
875 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &tmp_fmt_id);
877 visinfo = pglXGetVisualFromFBConfig(display, cfgs[i]);
878 /* We have found an offscreen rendering format when there is no visualinfo :) */
880 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", tmp_fmt_id, WineGLPixelFormatListSize+1, i);
881 WineGLPixelFormatList[WineGLPixelFormatListSize].iPixelFormat = WineGLPixelFormatListSize+1; /* The index starts at 1 */
882 WineGLPixelFormatList[WineGLPixelFormatListSize].fbconfig = cfgs[i];
883 WineGLPixelFormatList[WineGLPixelFormatListSize].fmt_id = tmp_fmt_id;
884 WineGLPixelFormatList[WineGLPixelFormatListSize].render_type = get_render_type_from_fbconfig(display, cfgs[i]);
885 WineGLPixelFormatList[WineGLPixelFormatListSize].offscreenOnly = TRUE;
886 WineGLPixelFormatListSize++;
892 if(cfgs != NULL) XFree(cfgs);
897 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
898 * In our WGL implementation we only support a subset of these formats namely the format of
899 * Wine's main visual and offscreen formats (if they are available).
900 * This function converts a WGL format to its corresponding GLX one. It returns a WineGLPixelFormat
901 * and it returns the number of supported WGL formats in fmt_count.
903 static WineGLPixelFormat* ConvertPixelFormatWGLtoGLX(Display *display, int iPixelFormat, BOOL AllowOffscreen, int *fmt_count)
905 WineGLPixelFormat *res = NULL;
907 /* Init the list of pixel formats when we need it */
908 if(!WineGLPixelFormatListSize)
909 init_formats(display, DefaultScreen(display), visual);
911 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
912 * iPixelFormat in case of probing the number of pixelformats.
914 if((iPixelFormat > 0) && (iPixelFormat <= WineGLPixelFormatListSize) &&
915 ((WineGLPixelFormatList[iPixelFormat-1].offscreenOnly == FALSE) ||
917 res = &WineGLPixelFormatList[iPixelFormat-1];
918 TRACE("Returning FBConfig=%p for iPixelFormat=%d\n", res->fbconfig, iPixelFormat);
922 *fmt_count = WineGLPixelFormatListSize;
924 *fmt_count = WineGLPixelFormatOnScreenSize;
926 TRACE("Number of returned pixelformats=%d\n", *fmt_count);
931 /* Search our internal pixelformat list for the WGL format corresponding to the given fbconfig */
932 static WineGLPixelFormat* ConvertPixelFormatGLXtoWGL(Display *display, int fmt_id)
936 /* Init the list of pixel formats when we need it */
937 if(!WineGLPixelFormatListSize)
938 init_formats(display, DefaultScreen(display), visual);
940 for(i=0; i<WineGLPixelFormatListSize; i++) {
941 if(WineGLPixelFormatList[i].fmt_id == fmt_id) {
942 TRACE("Returning iPixelFormat %d for fmt_id 0x%x\n", WineGLPixelFormatList[i].iPixelFormat, fmt_id);
943 return &WineGLPixelFormatList[i];
946 TRACE("No compatible format found for fmt_id 0x%x\n", fmt_id);
950 int pixelformat_from_fbconfig_id(XID fbconfig_id)
952 WineGLPixelFormat *fmt;
954 if (!fbconfig_id) return 0;
956 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fbconfig_id);
958 return fmt->iPixelFormat;
959 /* This will happen on hwnds without a pixel format set; it's ok */
964 /* Mark any allocated context using the glx drawable 'old' to use 'new' */
965 void mark_drawable_dirty(Drawable old, Drawable new)
968 for (ctx = context_list; ctx; ctx = ctx->next) {
969 if (old == ctx->drawables[0]) {
970 ctx->drawables[0] = new;
971 ctx->refresh_drawables = TRUE;
973 if (old == ctx->drawables[1]) {
974 ctx->drawables[1] = new;
975 ctx->refresh_drawables = TRUE;
980 /* Given the current context, make sure its drawable is sync'd */
981 static inline void sync_context(Wine_GLContext *context)
983 if(context && context->refresh_drawables) {
984 if (glxRequireVersion(3))
985 pglXMakeContextCurrent(gdi_display, context->drawables[0],
986 context->drawables[1], context->ctx);
988 pglXMakeCurrent(gdi_display, context->drawables[0], context->ctx);
989 context->refresh_drawables = FALSE;
994 Drawable create_glxpixmap(Display *display, XVisualInfo *vis, Pixmap parent)
996 return pglXCreateGLXPixmap(display, vis, parent);
1000 static XID create_bitmap_glxpixmap(X11DRV_PDEVICE *physDev, WineGLPixelFormat *fmt)
1007 vis = pglXGetVisualFromFBConfig(gdi_display, fmt->fbconfig);
1009 if(vis->depth == physDev->bitmap->pixmap_depth)
1010 ret = pglXCreateGLXPixmap(gdi_display, vis, physDev->bitmap->pixmap);
1013 wine_tsx11_unlock();
1014 TRACE("return %lx\n", ret);
1019 * X11DRV_ChoosePixelFormat
1021 * Equivalent to glXChooseVisual.
1023 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
1024 const PIXELFORMATDESCRIPTOR *ppfd) {
1025 WineGLPixelFormat *fmt = NULL;
1030 int bestFormat = -1;
1031 int bestDBuffer = -1;
1032 int bestStereo = -1;
1036 int bestStencil = -1;
1040 if (!has_opengl()) {
1041 ERR("No libGL on this box - disabling OpenGL support !\n");
1045 if (TRACE_ON(opengl)) {
1046 TRACE("(%p,%p)\n", physDev, ppfd);
1048 dump_PIXELFORMATDESCRIPTOR((const PIXELFORMATDESCRIPTOR *) ppfd);
1052 ConvertPixelFormatWGLtoGLX(gdi_display, 0, FALSE /* offscreen */, &nPixelFormats);
1053 for(i=0; i<nPixelFormats; i++)
1057 int alpha=0, color=0, depth=0, stencil=0, aux=0;
1059 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, i+1 /* 1-based index */, FALSE /* offscreen */, &value);
1063 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RENDER_TYPE, &value);
1064 if (value & GLX_RGBA_BIT)
1065 iPixelType = PFD_TYPE_RGBA;
1067 iPixelType = PFD_TYPE_COLORINDEX;
1069 if (ppfd->iPixelType != iPixelType)
1071 TRACE("pixel type mismatch for iPixelFormat=%d\n", i+1);
1075 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &value);
1076 if (value) dwFlags |= PFD_DOUBLEBUFFER;
1077 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STEREO, &value);
1078 if (value) dwFlags |= PFD_STEREO;
1079 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BUFFER_SIZE, &color); /* cColorBits */
1080 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &alpha); /* cAlphaBits */
1081 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DEPTH_SIZE, &depth); /* cDepthBits */
1082 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STENCIL_SIZE, &stencil); /* cStencilBits */
1083 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_AUX_BUFFERS, &aux); /* cAuxBuffers */
1085 /* The behavior of PDF_STEREO/PFD_STEREO_DONTCARE and PFD_DOUBLEBUFFER / PFD_DOUBLEBUFFER_DONTCARE
1086 * is not very clear on MSDN. They specify that ChoosePixelFormat tries to match pixel formats
1087 * with the flag (PFD_STEREO / PFD_DOUBLEBUFFERING) set. Otherwise it says that it tries to match
1088 * formats without the given flag set.
1089 * A test on Windows using a Radeon 9500pro on WinXP (the driver doesn't support Stereo)
1090 * has indicated that a format without stereo is returned when stereo is unavailable.
1091 * So in case PFD_STEREO is set, formats that support it should have priority above formats
1092 * without. In case PFD_STEREO_DONTCARE is set, stereo is ignored.
1094 * To summarize the following is most likely the correct behavior:
1095 * stereo not set -> prefer no-stereo formats, else also accept stereo formats
1096 * stereo set -> prefer stereo formats, else also accept no-stereo formats
1097 * stereo don't care -> it doesn't matter whether we get stereo or not
1099 * In Wine we will treat no-stereo the same way as don't care because it makes
1100 * format selection even more complicated and second drivers with Stereo advertise
1101 * each format twice anyway.
1104 /* Doublebuffer, see the comments above */
1105 if( !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) ) {
1106 if( ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != bestDBuffer) &&
1107 ((dwFlags & PFD_DOUBLEBUFFER) == (ppfd->dwFlags & PFD_DOUBLEBUFFER)) )
1109 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1110 bestStereo = dwFlags & PFD_STEREO;
1114 bestStencil = stencil;
1119 if(bestDBuffer != -1 && (dwFlags & PFD_DOUBLEBUFFER) != bestDBuffer)
1123 /* Stereo, see the comments above. */
1124 if( !(ppfd->dwFlags & PFD_STEREO_DONTCARE) ) {
1125 if( ((ppfd->dwFlags & PFD_STEREO) != bestStereo) &&
1126 ((dwFlags & PFD_STEREO) == (ppfd->dwFlags & PFD_STEREO)) )
1128 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1129 bestStereo = dwFlags & PFD_STEREO;
1133 bestStencil = stencil;
1138 if(bestStereo != -1 && (dwFlags & PFD_STEREO) != bestStereo)
1142 /* Below we will do a number of checks to select the 'best' pixelformat.
1143 * We assume the precedence cColorBits > cAlphaBits > cDepthBits > cStencilBits -> cAuxBuffers.
1144 * The code works by trying to match the most important options as close as possible.
1145 * When a reasonable format is found, we will try to match more options. */
1148 if( ((ppfd->cColorBits > bestColor) && (color > bestColor)) ||
1149 ((color >= ppfd->cColorBits) && (color < bestColor)) )
1151 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1152 bestStereo = dwFlags & PFD_STEREO;
1156 bestStencil = stencil;
1160 } else if(bestColor != color) { /* Do further checks if the format is compatible */
1161 TRACE("color mismatch for iPixelFormat=%d\n", i+1);
1166 if( ((ppfd->cAlphaBits > bestAlpha) && (alpha > bestAlpha)) ||
1167 ((alpha >= ppfd->cAlphaBits) && (alpha < bestAlpha)) )
1169 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1170 bestStereo = dwFlags & PFD_STEREO;
1174 bestStencil = stencil;
1178 } else if(bestAlpha != alpha) {
1179 TRACE("alpha mismatch for iPixelFormat=%d\n", i+1);
1184 if( ((ppfd->cDepthBits > bestDepth) && (depth > bestDepth)) ||
1185 ((depth >= ppfd->cDepthBits) && (depth < bestDepth)) )
1187 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1188 bestStereo = dwFlags & PFD_STEREO;
1192 bestStencil = stencil;
1196 } else if(bestDepth != depth) {
1197 TRACE("depth mismatch for iPixelFormat=%d\n", i+1);
1202 if( ((ppfd->cStencilBits > bestStencil) && (stencil > bestStencil)) ||
1203 ((stencil >= ppfd->cStencilBits) && (stencil < bestStencil)) )
1205 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1206 bestStereo = dwFlags & PFD_STEREO;
1210 bestStencil = stencil;
1214 } else if(bestStencil != stencil) {
1215 TRACE("stencil mismatch for iPixelFormat=%d\n", i+1);
1220 if( ((ppfd->cAuxBuffers > bestAux) && (aux > bestAux)) ||
1221 ((aux >= ppfd->cAuxBuffers) && (aux < bestAux)) )
1223 bestDBuffer = dwFlags & PFD_DOUBLEBUFFER;
1224 bestStereo = dwFlags & PFD_STEREO;
1228 bestStencil = stencil;
1232 } else if(bestAux != aux) {
1233 TRACE("aux mismatch for iPixelFormat=%d\n", i+1);
1238 if(bestFormat == -1) {
1239 TRACE("No matching mode was found returning 0\n");
1243 ret = bestFormat+1; /* the return value should be a 1-based index */
1244 TRACE("Successfully found a matching mode, returning index: %d %x\n", ret, WineGLPixelFormatList[bestFormat].fmt_id);
1247 wine_tsx11_unlock();
1252 * X11DRV_DescribePixelFormat
1254 * Get the pixel-format descriptor associated to the given id
1256 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
1259 PIXELFORMATDESCRIPTOR *ppfd) {
1260 /*XVisualInfo *vis;*/
1263 WineGLPixelFormat *fmt;
1267 if (!has_opengl()) {
1268 ERR("No libGL on this box - disabling OpenGL support !\n");
1272 TRACE("(%p,%d,%d,%p)\n", physDev, iPixelFormat, nBytes, ppfd);
1274 /* 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 */
1275 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &fmt_count);
1277 /* The application is only querying the number of pixelformats */
1279 } else if(fmt == NULL) {
1280 WARN("unexpected iPixelFormat(%d): not >=1 and <=nFormats(%d), returning NULL!\n", iPixelFormat, fmt_count);
1284 if (nBytes < sizeof(PIXELFORMATDESCRIPTOR)) {
1285 ERR("Wrong structure size !\n");
1286 /* Should set error */
1292 memset(ppfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
1293 ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
1296 /* These flags are always the same... */
1297 ppfd->dwFlags = PFD_SUPPORT_OPENGL;
1298 /* Now the flags extracted from the Visual */
1302 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_X_RENDERABLE, &value);
1304 ppfd->dwFlags |= PFD_SUPPORT_GDI;
1306 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1307 if(value & GLX_WINDOW_BIT)
1308 ppfd->dwFlags |= PFD_DRAW_TO_WINDOW;
1309 if(value & GLX_PIXMAP_BIT)
1310 ppfd->dwFlags |= PFD_DRAW_TO_BITMAP;
1312 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_CONFIG_CAVEAT, &value);
1313 if(value == GLX_SLOW_CONFIG)
1314 ppfd->dwFlags |= PFD_GENERIC_ACCELERATED;
1316 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &value);
1318 ppfd->dwFlags |= PFD_DOUBLEBUFFER;
1319 ppfd->dwFlags &= ~PFD_SUPPORT_GDI;
1321 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STEREO, &value); if (value) ppfd->dwFlags |= PFD_STEREO;
1324 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RENDER_TYPE, &value);
1325 if (value & GLX_RGBA_BIT)
1326 ppfd->iPixelType = PFD_TYPE_RGBA;
1328 ppfd->iPixelType = PFD_TYPE_COLORINDEX;
1331 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BUFFER_SIZE, &value);
1332 ppfd->cColorBits = value;
1334 /* Red, green, blue and alpha bits / shifts */
1335 if (ppfd->iPixelType == PFD_TYPE_RGBA) {
1336 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RED_SIZE, &rb);
1337 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_GREEN_SIZE, &gb);
1338 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BLUE_SIZE, &bb);
1339 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &ab);
1341 ppfd->cRedBits = rb;
1342 ppfd->cRedShift = gb + bb + ab;
1343 ppfd->cBlueBits = bb;
1344 ppfd->cBlueShift = ab;
1345 ppfd->cGreenBits = gb;
1346 ppfd->cGreenShift = bb + ab;
1347 ppfd->cAlphaBits = ab;
1348 ppfd->cAlphaShift = 0;
1351 ppfd->cRedShift = 0;
1352 ppfd->cBlueBits = 0;
1353 ppfd->cBlueShift = 0;
1354 ppfd->cGreenBits = 0;
1355 ppfd->cGreenShift = 0;
1356 ppfd->cAlphaBits = 0;
1357 ppfd->cAlphaShift = 0;
1360 /* Accum RGBA bits */
1361 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_RED_SIZE, &rb);
1362 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_GREEN_SIZE, &gb);
1363 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_BLUE_SIZE, &bb);
1364 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_ALPHA_SIZE, &ab);
1366 ppfd->cAccumBits = rb+gb+bb+ab;
1367 ppfd->cAccumRedBits = rb;
1368 ppfd->cAccumGreenBits = gb;
1369 ppfd->cAccumBlueBits = bb;
1370 ppfd->cAccumAlphaBits = ab;
1373 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DEPTH_SIZE, &value);
1374 ppfd->cDepthBits = value;
1377 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STENCIL_SIZE, &value);
1378 ppfd->cStencilBits = value;
1380 wine_tsx11_unlock();
1382 /* Aux : to do ... */
1384 ppfd->iLayerType = PFD_MAIN_PLANE;
1386 if (TRACE_ON(opengl)) {
1387 dump_PIXELFORMATDESCRIPTOR(ppfd);
1394 * X11DRV_GetPixelFormat
1396 * Get the pixel-format id used by this DC
1398 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
1399 WineGLPixelFormat *fmt;
1401 TRACE("(%p)\n", physDev);
1403 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, physDev->current_pf, TRUE, &tmp);
1406 /* This happens on HDCs on which SetPixelFormat wasn't called yet */
1407 ERR("Unable to find a WineGLPixelFormat for iPixelFormat=%d\n", physDev->current_pf);
1410 else if(fmt->offscreenOnly)
1412 /* Offscreen formats can't be used with traditional WGL calls.
1413 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1414 TRACE("Returning iPixelFormat=1 for offscreen format: %d\n", fmt->iPixelFormat);
1418 TRACE("(%p): returns %d\n", physDev, physDev->current_pf);
1419 return physDev->current_pf;
1423 * X11DRV_SetPixelFormat
1425 * Set the pixel-format id used by this DC
1427 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
1429 const PIXELFORMATDESCRIPTOR *ppfd) {
1430 WineGLPixelFormat *fmt;
1434 TRACE("(%p,%d,%p)\n", physDev, iPixelFormat, ppfd);
1436 if (!has_opengl()) {
1437 ERR("No libGL on this box - disabling OpenGL support !\n");
1441 /* SetPixelFormat is not allowed on the X root_window e.g. GetDC(0) */
1442 if(get_glxdrawable(physDev) == root_window)
1444 ERR("Invalid operation on root_window\n");
1448 /* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
1449 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &value);
1451 ERR("Invalid iPixelFormat: %d\n", iPixelFormat);
1455 if(physDev->current_pf) /* cannot change it if already set */
1456 return (physDev->current_pf == iPixelFormat);
1458 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1460 hwnd = WindowFromDC(physDev->hdc);
1462 if(!(value&GLX_WINDOW_BIT)) {
1463 WARN("Pixel format %d is not compatible for window rendering\n", iPixelFormat);
1467 if(!SendMessageW(hwnd, WM_X11DRV_SET_WIN_FORMAT, (WPARAM)fmt->fmt_id, 0)) {
1468 ERR("Couldn't set format of the window, returning failure\n");
1472 physDev->gl_drawable = X11DRV_get_gl_drawable(hwnd);
1474 else if(physDev->bitmap) {
1475 if(!(value&GLX_PIXMAP_BIT)) {
1476 WARN("Pixel format %d is not compatible for bitmap rendering\n", iPixelFormat);
1480 physDev->bitmap->glxpixmap = create_bitmap_glxpixmap(physDev, fmt);
1481 if(!physDev->bitmap->glxpixmap) {
1482 WARN("Couldn't create glxpixmap for pixel format %d\n", iPixelFormat);
1487 FIXME("called on a non-window, non-bitmap object?\n");
1490 physDev->current_pf = iPixelFormat;
1492 if (TRACE_ON(opengl)) {
1495 gl_test = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_FBCONFIG_ID, &value);
1497 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1499 TRACE(" FBConfig have :\n");
1500 TRACE(" - FBCONFIG_ID 0x%x\n", value);
1501 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_VISUAL_ID, &value);
1502 TRACE(" - VISUAL_ID 0x%x\n", value);
1503 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1504 TRACE(" - DRAWABLE_TYPE 0x%x\n", value);
1511 * X11DRV_wglCreateContext
1513 * For OpenGL32 wglCreateContext.
1515 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev)
1517 Wine_GLContext *ret;
1518 WineGLPixelFormat *fmt;
1519 int hdcPF = physDev->current_pf;
1521 HDC hdc = physDev->hdc;
1523 TRACE("(%p)->(PF:%d)\n", hdc, hdcPF);
1525 if (!has_opengl()) {
1526 ERR("No libGL on this box - disabling OpenGL support !\n");
1530 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, hdcPF, TRUE /* Offscreen */, &fmt_count);
1531 /* We can render using the iPixelFormat (1) of Wine's Main visual AND using some offscreen formats.
1532 * Note that standard WGL-calls don't recognize offscreen-only formats. For that reason pbuffers
1533 * use a sort of 'proxy' HDC (wglGetPbufferDCARB).
1534 * If this fails something is very wrong on the system. */
1536 ERR("Cannot get FB Config for iPixelFormat %d, expect problems!\n", hdcPF);
1537 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1541 /* The context will be allocated in the wglMakeCurrent call */
1543 ret = alloc_context();
1544 wine_tsx11_unlock();
1549 ret->vis = pglXGetVisualFromFBConfig(gdi_display, fmt->fbconfig);
1551 TRACE(" creating context %p (GL context creation delayed)\n", ret);
1556 * X11DRV_wglDeleteContext
1558 * For OpenGL32 wglDeleteContext.
1560 BOOL X11DRV_wglDeleteContext(HGLRC hglrc)
1562 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1565 TRACE("(%p)\n", hglrc);
1567 if (!has_opengl()) {
1568 ERR("No libGL on this box - disabling OpenGL support !\n");
1573 /* A game (Half Life not to name it) deletes twice the same context,
1574 * so make sure it is valid first */
1575 if (is_valid_context( ctx ))
1577 if (ctx->ctx) pglXDestroyContext(gdi_display, ctx->ctx);
1582 WARN("Error deleting context !\n");
1583 SetLastError(ERROR_INVALID_HANDLE);
1586 wine_tsx11_unlock();
1592 * X11DRV_wglGetCurrentReadDCARB
1594 * For OpenGL32 wglGetCurrentReadDCARB.
1596 static HDC WINAPI X11DRV_wglGetCurrentReadDCARB(void)
1599 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
1601 if (ctx) ret = ctx->read_hdc;
1603 TRACE(" returning %p (GL drawable %lu)\n", ret, ctx ? ctx->drawables[1] : 0);
1608 * X11DRV_wglGetProcAddress
1610 * For OpenGL32 wglGetProcAddress.
1612 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc)
1615 const WineGLExtension *ext;
1617 int padding = 32 - strlen(lpszProc);
1621 if (!has_opengl()) {
1622 ERR("No libGL on this box - disabling OpenGL support !\n");
1626 /* Check the table of WGL extensions to see if we need to return a WGL extension
1627 * or a function pointer to a native OpenGL function. */
1628 if(strncmp(lpszProc, "wgl", 3) != 0) {
1629 return pglXGetProcAddressARB((const GLubyte*)lpszProc);
1631 TRACE("('%s'):%*s", lpszProc, padding, " ");
1632 for (i = 0; i < WineGLExtensionListSize; ++i) {
1633 ext = WineGLExtensionList[i];
1634 for (j = 0; ext->extEntryPoints[j].funcName; ++j) {
1635 if (strcmp(ext->extEntryPoints[j].funcName, lpszProc) == 0) {
1636 TRACE("(%p) - WineGL\n", ext->extEntryPoints[j].funcAddress);
1637 return ext->extEntryPoints[j].funcAddress;
1643 WARN("(%s) - not found\n", lpszProc);
1648 * X11DRV_wglMakeCurrent
1650 * For OpenGL32 wglMakeCurrent.
1652 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
1654 HDC hdc = physDev->hdc;
1655 DWORD type = GetObjectType(hdc);
1657 TRACE("(%p,%p)\n", hdc, hglrc);
1659 if (!has_opengl()) {
1660 ERR("No libGL on this box - disabling OpenGL support !\n");
1665 if (hglrc == NULL) {
1666 ret = pglXMakeCurrent(gdi_display, None, NULL);
1667 NtCurrentTeb()->glContext = NULL;
1669 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1670 Drawable drawable = get_glxdrawable(physDev);
1671 if (ctx->ctx == NULL) {
1672 /* The describe lines below are for debugging purposes only */
1673 if (TRACE_ON(wgl)) {
1674 describeDrawable(ctx, drawable);
1675 describeContext(ctx);
1678 /* Create a GLX context using the same visual as chosen earlier in wglCreateContext.
1679 * We are certain that the drawable and context are compatible as we only allow compatible formats.
1681 TRACE(" Creating GLX Context\n");
1683 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, type == OBJ_MEMDC ? False : True);
1684 else /* Create a GLX Context for a pbuffer */
1685 ctx->ctx = pglXCreateNewContext(gdi_display, ctx->fmt->fbconfig, ctx->fmt->render_type, NULL, True);
1687 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1689 TRACE(" make current for dis %p, drawable %p, ctx %p\n", gdi_display, (void*) drawable, ctx->ctx);
1690 ret = pglXMakeCurrent(gdi_display, drawable, ctx->ctx);
1691 NtCurrentTeb()->glContext = ctx;
1695 ctx->read_hdc = hdc;
1696 ctx->drawables[0] = drawable;
1697 ctx->drawables[1] = drawable;
1698 ctx->refresh_drawables = FALSE;
1700 if (type == OBJ_MEMDC)
1702 ctx->do_escape = TRUE;
1703 pglDrawBuffer(GL_FRONT_LEFT);
1707 wine_tsx11_unlock();
1708 TRACE(" returning %s\n", (ret ? "True" : "False"));
1713 * X11DRV_wglMakeContextCurrentARB
1715 * For OpenGL32 wglMakeContextCurrentARB
1717 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* pDrawDev, X11DRV_PDEVICE* pReadDev, HGLRC hglrc)
1720 int indirect = (GetObjectType(pDrawDev->hdc) == OBJ_MEMDC);
1722 TRACE("(%p,%p,%p)\n", pDrawDev, pReadDev, hglrc);
1724 if (!has_opengl()) {
1725 ERR("No libGL on this box - disabling OpenGL support !\n");
1730 if (hglrc == NULL) {
1731 ret = pglXMakeCurrent(gdi_display, None, NULL);
1732 NtCurrentTeb()->glContext = NULL;
1734 if (NULL == pglXMakeContextCurrent) {
1737 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1738 Drawable d_draw = get_glxdrawable(pDrawDev);
1739 Drawable d_read = get_glxdrawable(pReadDev);
1741 if (ctx->ctx == NULL) {
1742 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, !indirect);
1743 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1745 ctx->hdc = pDrawDev->hdc;
1746 ctx->read_hdc = pReadDev->hdc;
1747 ctx->drawables[0] = d_draw;
1748 ctx->drawables[1] = d_read;
1749 ctx->refresh_drawables = FALSE;
1750 ret = pglXMakeContextCurrent(gdi_display, d_draw, d_read, ctx->ctx);
1751 NtCurrentTeb()->glContext = ctx;
1754 wine_tsx11_unlock();
1756 TRACE(" returning %s\n", (ret ? "True" : "False"));
1761 * X11DRV_wglShareLists
1763 * For OpenGL32 wglShaderLists.
1765 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
1766 Wine_GLContext *org = (Wine_GLContext *) hglrc1;
1767 Wine_GLContext *dest = (Wine_GLContext *) hglrc2;
1769 TRACE("(%p, %p)\n", org, dest);
1771 if (!has_opengl()) {
1772 ERR("No libGL on this box - disabling OpenGL support !\n");
1776 if (NULL != dest && dest->ctx != NULL) {
1777 ERR("Could not share display lists, context already created !\n");
1780 if (org->ctx == NULL) {
1781 int indirect = (GetObjectType(org->hdc) == OBJ_MEMDC);
1783 describeContext(org);
1786 org->ctx = pglXCreateContext(gdi_display, org->vis, NULL, !indirect);
1787 else /* Create a GLX Context for a pbuffer */
1788 org->ctx = pglXCreateNewContext(gdi_display, org->fmt->fbconfig, org->fmt->render_type, NULL, True);
1789 wine_tsx11_unlock();
1790 TRACE(" created a delayed OpenGL context (%p) for Wine context %p\n", org->ctx, org);
1793 int indirect = (GetObjectType(dest->hdc) == OBJ_MEMDC);
1795 describeContext(dest);
1796 /* Create the destination context with display lists shared */
1798 dest->ctx = pglXCreateContext(gdi_display, dest->vis, org->ctx, !indirect);
1799 else /* Create a GLX Context for a pbuffer */
1800 dest->ctx = pglXCreateNewContext(gdi_display, dest->fmt->fbconfig, dest->fmt->render_type, org->ctx, True);
1801 wine_tsx11_unlock();
1802 TRACE(" created a delayed OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest->ctx, dest, org->ctx);
1809 static BOOL internal_wglUseFontBitmaps(HDC hdc, DWORD first, DWORD count, DWORD listBase, DWORD (WINAPI *GetGlyphOutline_ptr)(HDC,UINT,UINT,LPGLYPHMETRICS,DWORD,LPVOID,const MAT2*))
1811 /* We are running using client-side rendering fonts... */
1815 void *bitmap = NULL, *gl_bitmap = NULL;
1819 pglGetIntegerv(GL_UNPACK_ALIGNMENT, &org_alignment);
1820 pglPixelStorei(GL_UNPACK_ALIGNMENT, 4);
1821 wine_tsx11_unlock();
1823 for (glyph = first; glyph < first + count; glyph++) {
1824 unsigned int needed_size = GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, 0, NULL, NULL);
1825 int height, width_int;
1827 TRACE("Glyph : %3d / List : %d\n", glyph, listBase);
1828 if (needed_size == GDI_ERROR) {
1829 TRACE(" - needed size : %d (GDI_ERROR)\n", needed_size);
1832 TRACE(" - needed size : %d\n", needed_size);
1835 if (needed_size > size) {
1837 HeapFree(GetProcessHeap(), 0, bitmap);
1838 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1839 bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1840 gl_bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1842 if (GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, size, bitmap, NULL) == GDI_ERROR) goto error;
1843 if (TRACE_ON(opengl)) {
1844 unsigned int height, width, bitmask;
1845 unsigned char *bitmap_ = (unsigned char *) bitmap;
1847 TRACE(" - bbox : %d x %d\n", gm.gmBlackBoxX, gm.gmBlackBoxY);
1848 TRACE(" - origin : (%d , %d)\n", gm.gmptGlyphOrigin.x, gm.gmptGlyphOrigin.y);
1849 TRACE(" - increment : %d - %d\n", gm.gmCellIncX, gm.gmCellIncY);
1850 if (needed_size != 0) {
1851 TRACE(" - bitmap :\n");
1852 for (height = 0; height < gm.gmBlackBoxY; height++) {
1854 for (width = 0, bitmask = 0x80; width < gm.gmBlackBoxX; width++, bitmask >>= 1) {
1859 if (*bitmap_ & bitmask)
1864 bitmap_ += (4 - ((UINT_PTR)bitmap_ & 0x03));
1870 /* In OpenGL, the bitmap is drawn from the bottom to the top... So we need to invert the
1871 * glyph for it to be drawn properly.
1873 if (needed_size != 0) {
1874 width_int = (gm.gmBlackBoxX + 31) / 32;
1875 for (height = 0; height < gm.gmBlackBoxY; height++) {
1877 for (width = 0; width < width_int; width++) {
1878 ((int *) gl_bitmap)[(gm.gmBlackBoxY - height - 1) * width_int + width] =
1879 ((int *) bitmap)[height * width_int + width];
1885 pglNewList(listBase++, GL_COMPILE);
1886 if (needed_size != 0) {
1887 pglBitmap(gm.gmBlackBoxX, gm.gmBlackBoxY,
1888 0 - (int) gm.gmptGlyphOrigin.x, (int) gm.gmBlackBoxY - (int) gm.gmptGlyphOrigin.y,
1889 gm.gmCellIncX, gm.gmCellIncY,
1892 /* This is the case of 'empty' glyphs like the space character */
1893 pglBitmap(0, 0, 0, 0, gm.gmCellIncX, gm.gmCellIncY, NULL);
1896 wine_tsx11_unlock();
1900 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1901 wine_tsx11_unlock();
1903 HeapFree(GetProcessHeap(), 0, bitmap);
1904 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1909 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1910 wine_tsx11_unlock();
1912 HeapFree(GetProcessHeap(), 0, bitmap);
1913 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1918 * X11DRV_wglUseFontBitmapsA
1920 * For OpenGL32 wglUseFontBitmapsA.
1922 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
1924 Font fid = physDev->font;
1926 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
1928 if (!has_opengl()) {
1929 ERR("No libGL on this box - disabling OpenGL support !\n");
1934 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineA);
1938 /* I assume that the glyphs are at the same position for X and for Windows */
1939 pglXUseXFont(fid, first, count, listBase);
1940 wine_tsx11_unlock();
1945 * X11DRV_wglUseFontBitmapsW
1947 * For OpenGL32 wglUseFontBitmapsW.
1949 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
1951 Font fid = physDev->font;
1953 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
1955 if (!has_opengl()) {
1956 ERR("No libGL on this box - disabling OpenGL support !\n");
1961 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineW);
1964 WARN("Using the glX API for the WCHAR variant - some characters may come out incorrectly !\n");
1967 /* I assume that the glyphs are at the same position for X and for Windows */
1968 pglXUseXFont(fid, first, count, listBase);
1969 wine_tsx11_unlock();
1973 /* WGL helper function which handles differences in glGetIntegerv from WGL and GLX */
1974 static void WINAPI X11DRV_wglGetIntegerv(GLenum pname, GLint* params)
1981 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
1983 pglGetIntegerv(pname, params);
1985 * if we cannot find a Wine Context
1986 * we only have the default wine desktop context,
1987 * so if we have only a 24 depth say we have 32
1989 if (!ctx && *params == 24) {
1992 TRACE("returns GL_DEPTH_BITS as '%d'\n", *params);
1997 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
1999 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_ALPHA_SIZE, params);
2000 TRACE("returns GL_ALPHA_BITS as '%d'\n", *params);
2004 pglGetIntegerv(pname, params);
2007 wine_tsx11_unlock();
2010 void flush_gl_drawable(X11DRV_PDEVICE *physDev)
2014 if(!physDev->gl_drawable)
2017 w = physDev->dc_rect.right - physDev->dc_rect.left;
2018 h = physDev->dc_rect.bottom - physDev->dc_rect.top;
2020 if(w > 0 && h > 0) {
2021 Drawable src = physDev->pixmap;
2022 if(!src) src = physDev->gl_drawable;
2024 /* The GL drawable may be lagged behind if we don't flush first, so
2025 * flush the display make sure we copy up-to-date data */
2027 XFlush(gdi_display);
2028 XCopyArea(gdi_display, src, physDev->drawable, physDev->gc, 0, 0, w, h,
2029 physDev->dc_rect.left, physDev->dc_rect.top);
2030 wine_tsx11_unlock();
2035 static void WINAPI X11DRV_wglFinish(void)
2037 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
2038 enum x11drv_escape_codes code = X11DRV_FLUSH_GL_DRAWABLE;
2043 wine_tsx11_unlock();
2044 ExtEscape(ctx->hdc, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );
2047 static void WINAPI X11DRV_wglFlush(void)
2049 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
2050 enum x11drv_escape_codes code = X11DRV_FLUSH_GL_DRAWABLE;
2055 wine_tsx11_unlock();
2056 ExtEscape(ctx->hdc, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );
2060 * X11DRV_wglGetExtensionsStringARB
2062 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
2064 static const char * WINAPI X11DRV_wglGetExtensionsStringARB(HDC hdc) {
2065 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
2066 return WineGLInfo.wglExtensions;
2070 * X11DRV_wglCreatePbufferARB
2072 * WGL_ARB_pbuffer: wglCreatePbufferARB
2074 static HPBUFFERARB WINAPI X11DRV_wglCreatePbufferARB(HDC hdc, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList)
2076 Wine_GLPBuffer* object = NULL;
2077 WineGLPixelFormat *fmt = NULL;
2082 TRACE("(%p, %d, %d, %d, %p)\n", hdc, iPixelFormat, iWidth, iHeight, piAttribList);
2084 if (0 >= iPixelFormat) {
2085 ERR("(%p): unexpected iPixelFormat(%d) <= 0, returns NULL\n", hdc, iPixelFormat);
2086 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
2087 return NULL; /* unexpected error */
2090 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
2091 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, TRUE /* Offscreen */, &nCfgs);
2093 ERR("(%p): unexpected iPixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, iPixelFormat, nCfgs);
2094 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
2095 goto create_failed; /* unexpected error */
2098 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLPBuffer));
2099 if (NULL == object) {
2100 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
2101 goto create_failed; /* unexpected error */
2104 object->display = gdi_display;
2105 object->width = iWidth;
2106 object->height = iHeight;
2109 PUSH2(attribs, GLX_PBUFFER_WIDTH, iWidth);
2110 PUSH2(attribs, GLX_PBUFFER_HEIGHT, iHeight);
2111 while (piAttribList && 0 != *piAttribList) {
2113 switch (*piAttribList) {
2114 case WGL_PBUFFER_LARGEST_ARB: {
2116 attr_v = *piAttribList;
2117 TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v);
2118 PUSH2(attribs, GLX_LARGEST_PBUFFER, attr_v);
2122 case WGL_TEXTURE_FORMAT_ARB: {
2124 attr_v = *piAttribList;
2125 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v);
2126 if (use_render_texture_ati) {
2129 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
2130 case WGL_TEXTURE_RGB_ARB: type = GLX_TEXTURE_RGB_ATI; break ;
2131 case WGL_TEXTURE_RGBA_ARB: type = GLX_TEXTURE_RGBA_ATI; break ;
2133 SetLastError(ERROR_INVALID_DATA);
2136 object->use_render_texture = 1;
2137 PUSH2(attribs, GLX_TEXTURE_FORMAT_ATI, type);
2139 if (WGL_NO_TEXTURE_ARB == attr_v) {
2140 object->use_render_texture = 0;
2142 if (!use_render_texture_emulation) {
2143 SetLastError(ERROR_INVALID_DATA);
2147 case WGL_TEXTURE_RGB_ARB:
2148 object->use_render_texture = GL_RGB;
2149 object->texture_bpp = 3;
2150 object->texture_format = GL_RGB;
2151 object->texture_type = GL_UNSIGNED_BYTE;
2153 case WGL_TEXTURE_RGBA_ARB:
2154 object->use_render_texture = GL_RGBA;
2155 object->texture_bpp = 4;
2156 object->texture_format = GL_RGBA;
2157 object->texture_type = GL_UNSIGNED_BYTE;
2160 /* WGL_FLOAT_COMPONENTS_NV */
2161 case WGL_TEXTURE_FLOAT_R_NV:
2162 object->use_render_texture = GL_FLOAT_R_NV;
2163 object->texture_bpp = 4;
2164 object->texture_format = GL_RED;
2165 object->texture_type = GL_FLOAT;
2167 case WGL_TEXTURE_FLOAT_RG_NV:
2168 object->use_render_texture = GL_FLOAT_RG_NV;
2169 object->texture_bpp = 8;
2170 object->texture_format = GL_LUMINANCE_ALPHA;
2171 object->texture_type = GL_FLOAT;
2173 case WGL_TEXTURE_FLOAT_RGB_NV:
2174 object->use_render_texture = GL_FLOAT_RGB_NV;
2175 object->texture_bpp = 12;
2176 object->texture_format = GL_RGB;
2177 object->texture_type = GL_FLOAT;
2179 case WGL_TEXTURE_FLOAT_RGBA_NV:
2180 object->use_render_texture = GL_FLOAT_RGBA_NV;
2181 object->texture_bpp = 16;
2182 object->texture_format = GL_RGBA;
2183 object->texture_type = GL_FLOAT;
2186 ERR("Unknown texture format: %x\n", attr_v);
2187 SetLastError(ERROR_INVALID_DATA);
2195 case WGL_TEXTURE_TARGET_ARB: {
2197 attr_v = *piAttribList;
2198 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v);
2199 if (use_render_texture_ati) {
2202 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
2203 case WGL_TEXTURE_CUBE_MAP_ARB: type = GLX_TEXTURE_CUBE_MAP_ATI; break ;
2204 case WGL_TEXTURE_1D_ARB: type = GLX_TEXTURE_1D_ATI; break ;
2205 case WGL_TEXTURE_2D_ARB: type = GLX_TEXTURE_2D_ATI; break ;
2207 SetLastError(ERROR_INVALID_DATA);
2210 PUSH2(attribs, GLX_TEXTURE_TARGET_ATI, type);
2212 if (WGL_NO_TEXTURE_ARB == attr_v) {
2213 object->texture_target = 0;
2215 if (!use_render_texture_emulation) {
2216 SetLastError(ERROR_INVALID_DATA);
2220 case WGL_TEXTURE_CUBE_MAP_ARB: {
2221 if (iWidth != iHeight) {
2222 SetLastError(ERROR_INVALID_DATA);
2225 object->texture_target = GL_TEXTURE_CUBE_MAP;
2226 object->texture_bind_target = GL_TEXTURE_BINDING_CUBE_MAP;
2229 case WGL_TEXTURE_1D_ARB: {
2231 SetLastError(ERROR_INVALID_DATA);
2234 object->texture_target = GL_TEXTURE_1D;
2235 object->texture_bind_target = GL_TEXTURE_BINDING_1D;
2238 case WGL_TEXTURE_2D_ARB: {
2239 object->texture_target = GL_TEXTURE_2D;
2240 object->texture_bind_target = GL_TEXTURE_BINDING_2D;
2243 case WGL_TEXTURE_RECTANGLE_NV: {
2244 object->texture_target = GL_TEXTURE_RECTANGLE_NV;
2245 object->texture_bind_target = GL_TEXTURE_BINDING_RECTANGLE_NV;
2249 ERR("Unknown texture target: %x\n", attr_v);
2250 SetLastError(ERROR_INVALID_DATA);
2258 case WGL_MIPMAP_TEXTURE_ARB: {
2260 attr_v = *piAttribList;
2261 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v);
2262 if (use_render_texture_ati) {
2263 PUSH2(attribs, GLX_MIPMAP_TEXTURE_ATI, attr_v);
2265 if (!use_render_texture_emulation) {
2266 SetLastError(ERROR_INVALID_DATA);
2276 PUSH1(attribs, None);
2277 object->drawable = pglXCreatePbuffer(gdi_display, fmt->fbconfig, attribs);
2278 TRACE("new Pbuffer drawable as %p\n", (void*) object->drawable);
2279 if (!object->drawable) {
2280 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
2281 goto create_failed; /* unexpected error */
2283 TRACE("->(%p)\n", object);
2284 return (HPBUFFERARB) object;
2287 HeapFree(GetProcessHeap(), 0, object);
2288 TRACE("->(FAILED)\n");
2289 return (HPBUFFERARB) NULL;
2293 * X11DRV_wglDestroyPbufferARB
2295 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2297 static GLboolean WINAPI X11DRV_wglDestroyPbufferARB(HPBUFFERARB hPbuffer)
2299 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2300 TRACE("(%p)\n", hPbuffer);
2301 if (NULL == object) {
2302 SetLastError(ERROR_INVALID_HANDLE);
2305 pglXDestroyPbuffer(object->display, object->drawable);
2306 HeapFree(GetProcessHeap(), 0, object);
2311 * X11DRV_wglGetPbufferDCARB
2313 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2314 * The function wglGetPbufferDCARB returns a device context for a pbuffer.
2315 * Gdi32 implements the part of this function which creates a device context.
2316 * This part associates the physDev with the X drawable of the pbuffer.
2318 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *physDev, HPBUFFERARB hPbuffer)
2320 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2321 if (NULL == object) {
2322 SetLastError(ERROR_INVALID_HANDLE);
2326 /* The function wglGetPbufferDCARB returns a DC to which the pbuffer can be connected.
2327 * All formats in our pixelformat list are compatible with each other and the main drawable. */
2328 physDev->current_pf = object->fmt->iPixelFormat;
2329 physDev->drawable = object->drawable;
2330 SetRect( &physDev->drawable_rect, 0, 0, object->width, object->height );
2331 physDev->dc_rect = physDev->drawable_rect;
2333 TRACE("(%p)->(%p)\n", hPbuffer, physDev->hdc);
2334 return physDev->hdc;
2338 * X11DRV_wglQueryPbufferARB
2340 * WGL_ARB_pbuffer: wglQueryPbufferARB
2342 static GLboolean WINAPI X11DRV_wglQueryPbufferARB(HPBUFFERARB hPbuffer, int iAttribute, int *piValue)
2344 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2345 TRACE("(%p, 0x%x, %p)\n", hPbuffer, iAttribute, piValue);
2346 if (NULL == object) {
2347 SetLastError(ERROR_INVALID_HANDLE);
2350 switch (iAttribute) {
2351 case WGL_PBUFFER_WIDTH_ARB:
2352 pglXQueryDrawable(object->display, object->drawable, GLX_WIDTH, (unsigned int*) piValue);
2354 case WGL_PBUFFER_HEIGHT_ARB:
2355 pglXQueryDrawable(object->display, object->drawable, GLX_HEIGHT, (unsigned int*) piValue);
2358 case WGL_PBUFFER_LOST_ARB:
2359 /* GLX Pbuffers cannot be lost by default. We can support this by
2360 * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent
2361 * to receive pixel buffer clobber events, however that may or may
2362 * not give any benefit */
2363 *piValue = GL_FALSE;
2366 case WGL_TEXTURE_FORMAT_ARB:
2367 if (use_render_texture_ati) {
2369 int type = WGL_NO_TEXTURE_ARB;
2370 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_FORMAT_ATI, &tmp);
2372 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2373 case GLX_TEXTURE_RGB_ATI: type = WGL_TEXTURE_RGB_ARB; break ;
2374 case GLX_TEXTURE_RGBA_ATI: type = WGL_TEXTURE_RGBA_ARB; break ;
2378 if (!object->use_render_texture) {
2379 *piValue = WGL_NO_TEXTURE_ARB;
2381 if (!use_render_texture_emulation) {
2382 SetLastError(ERROR_INVALID_HANDLE);
2385 switch(object->use_render_texture) {
2387 *piValue = WGL_TEXTURE_RGB_ARB;
2390 *piValue = WGL_TEXTURE_RGBA_ARB;
2392 /* WGL_FLOAT_COMPONENTS_NV */
2394 *piValue = WGL_TEXTURE_FLOAT_R_NV;
2396 case GL_FLOAT_RG_NV:
2397 *piValue = WGL_TEXTURE_FLOAT_RG_NV;
2399 case GL_FLOAT_RGB_NV:
2400 *piValue = WGL_TEXTURE_FLOAT_RGB_NV;
2402 case GL_FLOAT_RGBA_NV:
2403 *piValue = WGL_TEXTURE_FLOAT_RGBA_NV;
2406 ERR("Unknown texture format: %x\n", object->use_render_texture);
2412 case WGL_TEXTURE_TARGET_ARB:
2413 if (use_render_texture_ati) {
2415 int type = WGL_NO_TEXTURE_ARB;
2416 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_TARGET_ATI, &tmp);
2418 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2419 case GLX_TEXTURE_CUBE_MAP_ATI: type = WGL_TEXTURE_CUBE_MAP_ARB; break ;
2420 case GLX_TEXTURE_1D_ATI: type = WGL_TEXTURE_1D_ARB; break ;
2421 case GLX_TEXTURE_2D_ATI: type = WGL_TEXTURE_2D_ARB; break ;
2425 if (!object->texture_target) {
2426 *piValue = WGL_NO_TEXTURE_ARB;
2428 if (!use_render_texture_emulation) {
2429 SetLastError(ERROR_INVALID_DATA);
2432 switch (object->texture_target) {
2433 case GL_TEXTURE_1D: *piValue = WGL_TEXTURE_1D_ARB; break;
2434 case GL_TEXTURE_2D: *piValue = WGL_TEXTURE_2D_ARB; break;
2435 case GL_TEXTURE_CUBE_MAP: *piValue = WGL_TEXTURE_CUBE_MAP_ARB; break;
2436 case GL_TEXTURE_RECTANGLE_NV: *piValue = WGL_TEXTURE_RECTANGLE_NV; break;
2442 case WGL_MIPMAP_TEXTURE_ARB:
2443 if (use_render_texture_ati) {
2444 pglXQueryDrawable(object->display, object->drawable, GLX_MIPMAP_TEXTURE_ATI, (unsigned int*) piValue);
2446 *piValue = GL_FALSE; /** don't support that */
2447 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute);
2452 FIXME("unexpected attribute %x\n", iAttribute);
2460 * X11DRV_wglReleasePbufferDCARB
2462 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2464 static int WINAPI X11DRV_wglReleasePbufferDCARB(HPBUFFERARB hPbuffer, HDC hdc)
2466 TRACE("(%p, %p)\n", hPbuffer, hdc);
2472 * X11DRV_wglSetPbufferAttribARB
2474 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2476 static GLboolean WINAPI X11DRV_wglSetPbufferAttribARB(HPBUFFERARB hPbuffer, const int *piAttribList)
2478 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2479 WARN("(%p, %p): alpha-testing, report any problem\n", hPbuffer, piAttribList);
2480 if (NULL == object) {
2481 SetLastError(ERROR_INVALID_HANDLE);
2484 if (!object->use_render_texture) {
2485 SetLastError(ERROR_INVALID_HANDLE);
2488 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2491 if (NULL != pglXDrawableAttribATI) {
2492 if (use_render_texture_ati) {
2493 FIXME("Need conversion for GLX_ATI_render_texture\n");
2495 return pglXDrawableAttribATI(object->display, object->drawable, piAttribList);
2501 * X11DRV_wglChoosePixelFormatARB
2503 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2505 static GLboolean WINAPI X11DRV_wglChoosePixelFormatARB(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats)
2510 GLXFBConfig* cfgs = NULL;
2514 WineGLPixelFormat *fmt;
2518 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc, piAttribIList, pfAttribFList, nMaxFormats, piFormats, nNumFormats);
2519 if (NULL != pfAttribFList) {
2520 FIXME("unused pfAttribFList\n");
2523 nAttribs = ConvertAttribWGLtoGLX(piAttribIList, attribs, NULL);
2524 if (-1 == nAttribs) {
2525 WARN("Cannot convert WGL to GLX attributes\n");
2528 PUSH1(attribs, None);
2530 /* Search for FB configurations matching the requirements in attribs */
2531 cfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribs, &nCfgs);
2533 WARN("Compatible Pixel Format not found\n");
2537 /* Loop through all matching formats and check if they are suitable.
2538 * Note that this function should at max return nMaxFormats different formats */
2539 for(run=0; run < 2; run++)
2541 for (it = 0; it < nCfgs; ++it) {
2542 gl_test = pglXGetFBConfigAttrib(gdi_display, cfgs[it], GLX_FBCONFIG_ID, &fmt_id);
2544 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2548 /* Search for the format in our list of compatible formats */
2549 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fmt_id);
2553 /* During the first run we only want onscreen formats and during the second only offscreen 'XOR' */
2554 if( ((run == 0) && fmt->offscreenOnly) || ((run == 1) && !fmt->offscreenOnly) )
2557 if(pfmt_it < nMaxFormats) {
2558 piFormats[pfmt_it] = fmt->iPixelFormat;
2559 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n", it + 1, nCfgs, fmt_id, piFormats[pfmt_it]);
2565 *nNumFormats = pfmt_it;
2572 * X11DRV_wglGetPixelFormatAttribivARB
2574 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2576 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues)
2579 WineGLPixelFormat *fmt = NULL;
2583 int nWGLFormats = 0;
2585 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, piValues);
2587 if (0 < iLayerPlane) {
2588 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane);
2592 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supoprted.
2593 * We don't have to fail yet as a program can specify an invaled iPixelFormat (lets say 0) if it wants to query
2594 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2595 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, TRUE /* Offscreen */, &nWGLFormats);
2597 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat);
2600 for (i = 0; i < nAttributes; ++i) {
2601 const int curWGLAttr = piAttributes[i];
2602 TRACE("pAttr[%d] = %x\n", i, curWGLAttr);
2604 switch (curWGLAttr) {
2605 case WGL_NUMBER_PIXEL_FORMATS_ARB:
2606 piValues[i] = nWGLFormats;
2609 case WGL_SUPPORT_OPENGL_ARB:
2610 piValues[i] = GL_TRUE;
2613 case WGL_ACCELERATION_ARB:
2614 curGLXAttr = GLX_CONFIG_CAVEAT;
2615 if (!fmt) goto pix_error;
2616 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2617 if (hTest) goto get_error;
2619 case GLX_NONE: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2620 case GLX_SLOW_CONFIG: piValues[i] = WGL_GENERIC_ACCELERATION_ARB; break;
2621 case GLX_NON_CONFORMANT_CONFIG: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2623 ERR("unexpected Config Caveat(%x)\n", tmp);
2624 piValues[i] = WGL_NO_ACCELERATION_ARB;
2628 case WGL_TRANSPARENT_ARB:
2629 curGLXAttr = GLX_TRANSPARENT_TYPE;
2630 if (!fmt) goto pix_error;
2631 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2632 if (hTest) goto get_error;
2633 piValues[i] = GL_FALSE;
2634 if (GLX_NONE != tmp) piValues[i] = GL_TRUE;
2637 case WGL_PIXEL_TYPE_ARB:
2638 curGLXAttr = GLX_RENDER_TYPE;
2639 if (!fmt) goto pix_error;
2640 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2641 if (hTest) goto get_error;
2642 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp);
2643 if (tmp & GLX_RGBA_BIT) { piValues[i] = WGL_TYPE_RGBA_ARB; }
2644 else if (tmp & GLX_COLOR_INDEX_BIT) { piValues[i] = WGL_TYPE_COLORINDEX_ARB; }
2645 else if (tmp & GLX_RGBA_FLOAT_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2646 else if (tmp & GLX_RGBA_FLOAT_ATI_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2648 ERR("unexpected RenderType(%x)\n", tmp);
2649 piValues[i] = WGL_TYPE_RGBA_ARB;
2653 case WGL_COLOR_BITS_ARB:
2654 curGLXAttr = GLX_BUFFER_SIZE;
2657 case WGL_BIND_TO_TEXTURE_RGB_ARB:
2658 if (use_render_texture_ati) {
2659 curGLXAttr = GLX_BIND_TO_TEXTURE_RGB_ATI;
2662 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
2663 if (use_render_texture_ati) {
2664 curGLXAttr = GLX_BIND_TO_TEXTURE_RGBA_ATI;
2667 if (!use_render_texture_emulation) {
2668 piValues[i] = GL_FALSE;
2671 curGLXAttr = GLX_RENDER_TYPE;
2672 if (!fmt) goto pix_error;
2673 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2674 if (hTest) goto get_error;
2675 if (GLX_COLOR_INDEX_BIT == tmp) {
2676 piValues[i] = GL_FALSE;
2679 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp);
2680 if (hTest) goto get_error;
2681 piValues[i] = (tmp & GLX_PBUFFER_BIT) ? GL_TRUE : GL_FALSE;
2684 case WGL_BLUE_BITS_ARB:
2685 curGLXAttr = GLX_BLUE_SIZE;
2687 case WGL_RED_BITS_ARB:
2688 curGLXAttr = GLX_RED_SIZE;
2690 case WGL_GREEN_BITS_ARB:
2691 curGLXAttr = GLX_GREEN_SIZE;
2693 case WGL_ALPHA_BITS_ARB:
2694 curGLXAttr = GLX_ALPHA_SIZE;
2696 case WGL_DEPTH_BITS_ARB:
2697 curGLXAttr = GLX_DEPTH_SIZE;
2699 case WGL_STENCIL_BITS_ARB:
2700 curGLXAttr = GLX_STENCIL_SIZE;
2702 case WGL_DOUBLE_BUFFER_ARB:
2703 curGLXAttr = GLX_DOUBLEBUFFER;
2705 case WGL_STEREO_ARB:
2706 curGLXAttr = GLX_STEREO;
2708 case WGL_AUX_BUFFERS_ARB:
2709 curGLXAttr = GLX_AUX_BUFFERS;
2712 case WGL_SUPPORT_GDI_ARB:
2713 if (!fmt) goto pix_error;
2714 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &tmp);
2715 if (hTest) goto get_error;
2717 piValues[i] = GL_FALSE;
2720 curGLXAttr = GLX_X_RENDERABLE;
2723 case WGL_DRAW_TO_WINDOW_ARB:
2724 case WGL_DRAW_TO_BITMAP_ARB:
2725 case WGL_DRAW_TO_PBUFFER_ARB:
2726 if (!fmt) goto pix_error;
2727 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp);
2728 if (hTest) goto get_error;
2729 if((curWGLAttr == WGL_DRAW_TO_WINDOW_ARB && (tmp&GLX_WINDOW_BIT)) ||
2730 (curWGLAttr == WGL_DRAW_TO_BITMAP_ARB && (tmp&GLX_PIXMAP_BIT)) ||
2731 (curWGLAttr == WGL_DRAW_TO_PBUFFER_ARB && (tmp&GLX_PBUFFER_BIT)))
2732 piValues[i] = GL_TRUE;
2734 piValues[i] = GL_FALSE;
2737 case WGL_PBUFFER_LARGEST_ARB:
2738 curGLXAttr = GLX_LARGEST_PBUFFER;
2741 case WGL_SAMPLE_BUFFERS_ARB:
2742 curGLXAttr = GLX_SAMPLE_BUFFERS_ARB;
2745 case WGL_SAMPLES_ARB:
2746 curGLXAttr = GLX_SAMPLES_ARB;
2749 case WGL_FLOAT_COMPONENTS_NV:
2750 curGLXAttr = GLX_FLOAT_COMPONENTS_NV;
2753 case WGL_ACCUM_RED_BITS_ARB:
2754 curGLXAttr = GLX_ACCUM_RED_SIZE;
2756 case WGL_ACCUM_GREEN_BITS_ARB:
2757 curGLXAttr = GLX_ACCUM_GREEN_SIZE;
2759 case WGL_ACCUM_BLUE_BITS_ARB:
2760 curGLXAttr = GLX_ACCUM_BLUE_SIZE;
2762 case WGL_ACCUM_ALPHA_BITS_ARB:
2763 curGLXAttr = GLX_ACCUM_ALPHA_SIZE;
2765 case WGL_ACCUM_BITS_ARB:
2766 if (!fmt) goto pix_error;
2767 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_RED_SIZE, &tmp);
2768 if (hTest) goto get_error;
2770 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_GREEN_SIZE, &tmp);
2771 if (hTest) goto get_error;
2773 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_BLUE_SIZE, &tmp);
2774 if (hTest) goto get_error;
2776 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ACCUM_ALPHA_SIZE, &tmp);
2777 if (hTest) goto get_error;
2782 FIXME("unsupported %x WGL Attribute\n", curWGLAttr);
2785 /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
2786 * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
2787 * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
2789 * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
2790 * and check which options can work using iPixelFormat=0 and which not.
2791 * A problem would be that this function is an extension. This would
2792 * mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
2794 if (0 != curGLXAttr && iPixelFormat != 0) {
2795 if (!fmt) goto pix_error;
2796 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, piValues + i);
2797 if (hTest) goto get_error;
2800 piValues[i] = GL_FALSE;
2806 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc, curGLXAttr);
2810 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc, iPixelFormat, nWGLFormats);
2815 * X11DRV_wglGetPixelFormatAttribfvARB
2817 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2819 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribfvARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues)
2825 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, pfValues);
2827 /* Allocate a temporary array to store integer values */
2828 attr = HeapAlloc(GetProcessHeap(), 0, nAttributes * sizeof(int));
2830 ERR("couldn't allocate %d array\n", nAttributes);
2834 /* Piggy-back on wglGetPixelFormatAttribivARB */
2835 ret = X11DRV_wglGetPixelFormatAttribivARB(hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, attr);
2837 /* Convert integer values to float. Should also check for attributes
2838 that can give decimal values here */
2839 for (i=0; i<nAttributes;i++) {
2840 pfValues[i] = attr[i];
2844 HeapFree(GetProcessHeap(), 0, attr);
2849 * X11DRV_wglBindTexImageARB
2851 * WGL_ARB_render_texture: wglBindTexImageARB
2853 static GLboolean WINAPI X11DRV_wglBindTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
2855 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2856 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
2857 if (NULL == object) {
2858 SetLastError(ERROR_INVALID_HANDLE);
2861 if (!object->use_render_texture) {
2862 SetLastError(ERROR_INVALID_HANDLE);
2866 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2867 static int init = 0;
2868 int prev_binded_texture = 0;
2869 GLXContext prev_context = pglXGetCurrentContext();
2870 Drawable prev_drawable = pglXGetCurrentDrawable();
2871 GLXContext tmp_context;
2873 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2874 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2875 isn't ideal performance wise but I wasn't able to get other ways working.
2878 init = 1; /* Only show the FIXME once for performance reasons */
2879 FIXME("partial stub!\n");
2882 TRACE("drawable=%p, context=%p\n", (void*)object->drawable, prev_context);
2883 tmp_context = pglXCreateNewContext(gdi_display, object->fmt->fbconfig, object->fmt->render_type, prev_context, True);
2885 pglGetIntegerv(object->texture_bind_target, &prev_binded_texture);
2887 /* Switch to our pbuffer */
2888 pglXMakeCurrent(gdi_display, object->drawable, tmp_context);
2890 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2891 * After that upload the pbuffer texture data. */
2892 pglBindTexture(object->texture_target, prev_binded_texture);
2893 pglCopyTexImage2D(object->texture_target, 0, object->use_render_texture, 0, 0, object->width, object->height, 0);
2895 /* Switch back to the original drawable and upload the pbuffer-texture */
2896 pglXMakeCurrent(object->display, prev_drawable, prev_context);
2897 pglXDestroyContext(gdi_display, tmp_context);
2901 if (NULL != pglXBindTexImageATI) {
2906 case WGL_FRONT_LEFT_ARB:
2907 buffer = GLX_FRONT_LEFT_ATI;
2909 case WGL_FRONT_RIGHT_ARB:
2910 buffer = GLX_FRONT_RIGHT_ATI;
2912 case WGL_BACK_LEFT_ARB:
2913 buffer = GLX_BACK_LEFT_ATI;
2915 case WGL_BACK_RIGHT_ARB:
2916 buffer = GLX_BACK_RIGHT_ATI;
2919 ERR("Unknown iBuffer=%#x\n", iBuffer);
2923 /* In the sample 'ogl_offscreen_rendering_3' from codesampler.net I get garbage on the screen.
2924 * I'm not sure if that's a bug in the ATI extension or in the program. I think that the program
2925 * expected a single buffering format since it didn't ask for double buffering. A buffer swap
2926 * fixed the program. I don't know what the correct behavior is. On the other hand that demo
2927 * works fine using our pbuffer emulation path.
2929 return pglXBindTexImageATI(object->display, object->drawable, buffer);
2935 * X11DRV_wglReleaseTexImageARB
2937 * WGL_ARB_render_texture: wglReleaseTexImageARB
2939 static GLboolean WINAPI X11DRV_wglReleaseTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
2941 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2942 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
2943 if (NULL == object) {
2944 SetLastError(ERROR_INVALID_HANDLE);
2947 if (!object->use_render_texture) {
2948 SetLastError(ERROR_INVALID_HANDLE);
2951 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2954 if (NULL != pglXReleaseTexImageATI) {
2959 case WGL_FRONT_LEFT_ARB:
2960 buffer = GLX_FRONT_LEFT_ATI;
2962 case WGL_FRONT_RIGHT_ARB:
2963 buffer = GLX_FRONT_RIGHT_ATI;
2965 case WGL_BACK_LEFT_ARB:
2966 buffer = GLX_BACK_LEFT_ATI;
2968 case WGL_BACK_RIGHT_ARB:
2969 buffer = GLX_BACK_RIGHT_ATI;
2972 ERR("Unknown iBuffer=%#x\n", iBuffer);
2975 return pglXReleaseTexImageATI(object->display, object->drawable, buffer);
2981 * X11DRV_wglGetExtensionsStringEXT
2983 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2985 static const char * WINAPI X11DRV_wglGetExtensionsStringEXT(void) {
2986 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
2987 return WineGLInfo.wglExtensions;
2991 * X11DRV_wglGetSwapIntervalEXT
2993 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
2995 static int WINAPI X11DRV_wglGetSwapIntervalEXT(VOID) {
2996 FIXME("(),stub!\n");
2997 return swap_interval;
3001 * X11DRV_wglSwapIntervalEXT
3003 * WGL_EXT_swap_control: wglSwapIntervalEXT
3005 static BOOL WINAPI X11DRV_wglSwapIntervalEXT(int interval) {
3006 TRACE("(%d)\n", interval);
3007 swap_interval = interval;
3008 if (NULL != pglXSwapIntervalSGI) {
3009 return 0 == pglXSwapIntervalSGI(interval);
3011 WARN("(): GLX_SGI_swap_control extension seems not supported\n");
3016 * X11DRV_wglAllocateMemoryNV
3018 * WGL_NV_vertex_array_range: wglAllocateMemoryNV
3020 static void* WINAPI X11DRV_wglAllocateMemoryNV(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority) {
3021 TRACE("(%d, %f, %f, %f)\n", size, readfreq, writefreq, priority );
3022 if (pglXAllocateMemoryNV == NULL)
3025 return pglXAllocateMemoryNV(size, readfreq, writefreq, priority);
3029 * X11DRV_wglFreeMemoryNV
3031 * WGL_NV_vertex_array_range: wglFreeMemoryNV
3033 static void WINAPI X11DRV_wglFreeMemoryNV(GLvoid* pointer) {
3034 TRACE("(%p)\n", pointer);
3035 if (pglXFreeMemoryNV == NULL)
3038 pglXFreeMemoryNV(pointer);
3042 * glxRequireVersion (internal)
3044 * Check if the supported GLX version matches requiredVersion.
3046 static BOOL glxRequireVersion(int requiredVersion)
3048 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
3049 if(requiredVersion <= WineGLInfo.glxVersion[1])
3055 static BOOL glxRequireExtension(const char *requiredExtension)
3057 if (strstr(WineGLInfo.glxExtensions, requiredExtension) == NULL) {
3064 static void register_extension_string(const char *ext)
3066 if (WineGLInfo.wglExtensions[0])
3067 strcat(WineGLInfo.wglExtensions, " ");
3068 strcat(WineGLInfo.wglExtensions, ext);
3070 TRACE("'%s'\n", ext);
3073 static BOOL register_extension(const WineGLExtension * ext)
3077 assert( WineGLExtensionListSize < MAX_EXTENSIONS );
3078 WineGLExtensionList[WineGLExtensionListSize++] = ext;
3080 register_extension_string(ext->extName);
3082 for (i = 0; ext->extEntryPoints[i].funcName; ++i)
3083 TRACE(" - '%s'\n", ext->extEntryPoints[i].funcName);
3088 static const WineGLExtension WGL_internal_functions =
3092 { "wglGetIntegerv", X11DRV_wglGetIntegerv },
3093 { "wglFinish", X11DRV_wglFinish },
3094 { "wglFlush", X11DRV_wglFlush },
3099 static const WineGLExtension WGL_ARB_extensions_string =
3101 "WGL_ARB_extensions_string",
3103 { "wglGetExtensionsStringARB", X11DRV_wglGetExtensionsStringARB },
3107 static const WineGLExtension WGL_ARB_make_current_read =
3109 "WGL_ARB_make_current_read",
3111 { "wglGetCurrentReadDCARB", X11DRV_wglGetCurrentReadDCARB },
3112 { "wglMakeContextCurrentARB", X11DRV_wglMakeContextCurrentARB },
3116 static const WineGLExtension WGL_ARB_multisample =
3118 "WGL_ARB_multisample",
3121 static const WineGLExtension WGL_ARB_pbuffer =
3125 { "wglCreatePbufferARB", X11DRV_wglCreatePbufferARB },
3126 { "wglDestroyPbufferARB", X11DRV_wglDestroyPbufferARB },
3127 { "wglGetPbufferDCARB", X11DRV_wglGetPbufferDCARB },
3128 { "wglQueryPbufferARB", X11DRV_wglQueryPbufferARB },
3129 { "wglReleasePbufferDCARB", X11DRV_wglReleasePbufferDCARB },
3130 { "wglSetPbufferAttribARB", X11DRV_wglSetPbufferAttribARB },
3134 static const WineGLExtension WGL_ARB_pixel_format =
3136 "WGL_ARB_pixel_format",
3138 { "wglChoosePixelFormatARB", X11DRV_wglChoosePixelFormatARB },
3139 { "wglGetPixelFormatAttribfvARB", X11DRV_wglGetPixelFormatAttribfvARB },
3140 { "wglGetPixelFormatAttribivARB", X11DRV_wglGetPixelFormatAttribivARB },
3144 static const WineGLExtension WGL_ARB_render_texture =
3146 "WGL_ARB_render_texture",
3148 { "wglBindTexImageARB", X11DRV_wglBindTexImageARB },
3149 { "wglReleaseTexImageARB", X11DRV_wglReleaseTexImageARB },
3153 static const WineGLExtension WGL_EXT_extensions_string =
3155 "WGL_EXT_extensions_string",
3157 { "wglGetExtensionsStringEXT", X11DRV_wglGetExtensionsStringEXT },
3161 static const WineGLExtension WGL_EXT_swap_control =
3163 "WGL_EXT_swap_control",
3165 { "wglSwapIntervalEXT", X11DRV_wglSwapIntervalEXT },
3166 { "wglGetSwapIntervalEXT", X11DRV_wglGetSwapIntervalEXT },
3170 static const WineGLExtension WGL_NV_vertex_array_range =
3172 "WGL_NV_vertex_array_range",
3174 { "wglAllocateMemoryNV", X11DRV_wglAllocateMemoryNV },
3175 { "wglFreeMemoryNV", X11DRV_wglFreeMemoryNV },
3180 * X11DRV_WineGL_LoadExtensions
3182 static void X11DRV_WineGL_LoadExtensions(void)
3184 WineGLInfo.wglExtensions[0] = 0;
3186 /* Load Wine internal functions */
3187 register_extension(&WGL_internal_functions);
3189 /* ARB Extensions */
3191 if(glxRequireExtension("GLX_ARB_fbconfig_float"))
3193 register_extension_string("WGL_ARB_pixel_format_float");
3194 register_extension_string("WGL_ATI_pixel_format_float");
3197 register_extension(&WGL_ARB_extensions_string);
3199 if (glxRequireVersion(3))
3200 register_extension(&WGL_ARB_make_current_read);
3202 if (glxRequireExtension("GLX_ARB_multisample"))
3203 register_extension(&WGL_ARB_multisample);
3205 /* In general pbuffer functionality requires support in the X-server. The functionality is
3206 * available either when the GLX_SGIX_pbuffer is present or when the GLX server version is 1.3.
3207 * All display drivers except for Nvidia's use the GLX module from Xfree86/Xorg which only
3208 * supports GLX 1.2. The endresult is that only Nvidia's drivers support pbuffers.
3210 * The only other drive which has pbuffer support is Ati's FGLRX driver. They provide clientside GLX 1.3 support
3211 * without support in the X-server (which other Mesa based drivers require).
3213 * Support pbuffers when the GLX version is 1.3 and GLX_SGIX_pbuffer is available. Further pbuffers can
3214 * also be supported when GLX_ATI_render_texture is available. This extension depends on pbuffers, so when it
3215 * is available pbuffers must be available too. */
3216 if ( (glxRequireVersion(3) && glxRequireExtension("GLX_SGIX_pbuffer")) || glxRequireExtension("GLX_ATI_render_texture"))
3217 register_extension(&WGL_ARB_pbuffer);
3219 register_extension(&WGL_ARB_pixel_format);
3221 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
3222 if (glxRequireExtension("GLX_ATI_render_texture") ||
3223 glxRequireExtension("GLX_ARB_render_texture") ||
3224 (glxRequireVersion(3) && glxRequireExtension("GLX_SGIX_pbuffer") && use_render_texture_emulation))
3226 register_extension(&WGL_ARB_render_texture);
3228 /* The WGL version of GLX_NV_float_buffer requires render_texture */
3229 if(glxRequireExtension("GLX_NV_float_buffer"))
3230 register_extension_string("WGL_NV_float_buffer");
3232 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
3233 if(strstr(WineGLInfo.glExtensions, "GL_NV_texture_rectangle") != NULL)
3234 register_extension_string("WGL_NV_texture_rectangle");
3237 /* EXT Extensions */
3239 register_extension(&WGL_EXT_extensions_string);
3241 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
3242 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
3243 register_extension(&WGL_EXT_swap_control);
3245 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
3246 if(strstr(WineGLInfo.glExtensions, "GL_NV_vertex_array_range") != NULL)
3247 register_extension(&WGL_NV_vertex_array_range);
3251 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3257 if (physDev->bitmap->hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
3258 ret = physDev->drawable; /* PBuffer */
3260 ret = physDev->bitmap->glxpixmap;
3262 else if(physDev->gl_drawable)
3263 ret = physDev->gl_drawable;
3265 ret = physDev->drawable;
3269 BOOL destroy_glxpixmap(Display *display, XID glxpixmap)
3272 pglXDestroyGLXPixmap(display, glxpixmap);
3273 wine_tsx11_unlock();
3278 * X11DRV_SwapBuffers
3280 * Swap the buffers of this DC
3282 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev)
3284 GLXDrawable drawable;
3285 Wine_GLContext *ctx = NtCurrentTeb()->glContext;
3287 if (!has_opengl()) {
3288 ERR("No libGL on this box - disabling OpenGL support !\n");
3292 TRACE_(opengl)("(%p)\n", physDev);
3294 drawable = get_glxdrawable(physDev);
3298 if(physDev->pixmap) {
3299 if(pglXCopySubBufferMESA) {
3300 int w = physDev->dc_rect.right - physDev->dc_rect.left;
3301 int h = physDev->dc_rect.bottom - physDev->dc_rect.top;
3303 /* (glX)SwapBuffers has an implicit glFlush effect, however
3304 * GLX_MESA_copy_sub_buffer doesn't. Make sure GL is flushed before
3308 pglXCopySubBufferMESA(gdi_display, drawable, 0, 0, w, h);
3311 pglXSwapBuffers(gdi_display, drawable);
3314 pglXSwapBuffers(gdi_display, drawable);
3316 flush_gl_drawable(physDev);
3317 wine_tsx11_unlock();
3322 static long prev_time, frames;
3324 DWORD time = GetTickCount();
3326 /* every 1.5 seconds */
3327 if (time - prev_time > 1500) {
3328 TRACE_(fps)("@ approx %.2ffps\n", 1000.0*frames/(time - prev_time));
3337 /***********************************************************************
3338 * X11DRV_setup_opengl_visual
3340 * Setup the default visual used for OpenGL and Direct3D, and the desktop
3341 * window (if it exists). If OpenGL isn't available, the visual is simply
3342 * set to the default visual for the display
3344 XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
3346 XVisualInfo *visual = NULL;
3349 /* In order to support OpenGL or D3D, we require a double-buffered visual and stencil buffer support,
3350 * D3D and some applications can make use of aux buffers.
3352 int visualProperties[][11] = {
3353 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 24, GLX_STENCIL_SIZE, 8, GLX_ALPHA_SIZE, 8, GLX_AUX_BUFFERS, 1, None },
3354 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 24, GLX_STENCIL_SIZE, 8, GLX_ALPHA_SIZE, 8, None },
3355 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 16, GLX_STENCIL_SIZE, 8, None },
3356 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 16, None },
3363 for (i = 0; i < sizeof(visualProperties)/sizeof(visualProperties[0]); ++i) {
3364 visual = pglXChooseVisual(display, DefaultScreen(display), visualProperties[i]);
3368 wine_tsx11_unlock();
3371 TRACE("Visual ID %lx Chosen\n", visual->visualid);
3373 WARN("No suitable visual found\n");
3378 XVisualInfo *visual_from_fbconfig_id( XID fbconfig_id )
3380 WineGLPixelFormat *fmt;
3382 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fbconfig_id);
3385 return pglXGetVisualFromFBConfig(gdi_display, fmt->fbconfig);
3388 #else /* no OpenGL includes */
3390 int pixelformat_from_fbconfig_id(XID fbconfig_id)
3395 void mark_drawable_dirty(Drawable old, Drawable new)
3399 void flush_gl_drawable(X11DRV_PDEVICE *physDev)
3403 Drawable create_glxpixmap(Display *display, XVisualInfo *vis, Pixmap parent)
3408 /***********************************************************************
3409 * ChoosePixelFormat (X11DRV.@)
3411 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
3412 const PIXELFORMATDESCRIPTOR *ppfd) {
3413 ERR("No OpenGL support compiled in.\n");
3418 /***********************************************************************
3419 * DescribePixelFormat (X11DRV.@)
3421 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
3424 PIXELFORMATDESCRIPTOR *ppfd) {
3425 ERR("No OpenGL support compiled in.\n");
3430 /***********************************************************************
3431 * GetPixelFormat (X11DRV.@)
3433 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
3434 ERR("No OpenGL support compiled in.\n");
3439 /***********************************************************************
3440 * SetPixelFormat (X11DRV.@)
3442 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
3444 const PIXELFORMATDESCRIPTOR *ppfd) {
3445 ERR("No OpenGL support compiled in.\n");
3450 /***********************************************************************
3451 * SwapBuffers (X11DRV.@)
3453 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev) {
3454 ERR_(opengl)("No OpenGL support compiled in.\n");
3460 * X11DRV_wglCreateContext
3462 * For OpenGL32 wglCreateContext.
3464 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev) {
3465 ERR_(opengl)("No OpenGL support compiled in.\n");
3470 * X11DRV_wglDeleteContext
3472 * For OpenGL32 wglDeleteContext.
3474 BOOL X11DRV_wglDeleteContext(HGLRC hglrc) {
3475 ERR_(opengl)("No OpenGL support compiled in.\n");
3480 * X11DRV_wglGetProcAddress
3482 * For OpenGL32 wglGetProcAddress.
3484 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc) {
3485 ERR_(opengl)("No OpenGL support compiled in.\n");
3489 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *hDevice, void *hPbuffer)
3491 ERR_(opengl)("No OpenGL support compiled in.\n");
3495 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* hDrawDev, X11DRV_PDEVICE* hReadDev, HGLRC hglrc) {
3496 ERR_(opengl)("No OpenGL support compiled in.\n");
3501 * X11DRV_wglMakeCurrent
3503 * For OpenGL32 wglMakeCurrent.
3505 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
3506 ERR_(opengl)("No OpenGL support compiled in.\n");
3511 * X11DRV_wglShareLists
3513 * For OpenGL32 wglShaderLists.
3515 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
3516 ERR_(opengl)("No OpenGL support compiled in.\n");
3521 * X11DRV_wglUseFontBitmapsA
3523 * For OpenGL32 wglUseFontBitmapsA.
3525 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3527 ERR_(opengl)("No OpenGL support compiled in.\n");
3532 * X11DRV_wglUseFontBitmapsW
3534 * For OpenGL32 wglUseFontBitmapsW.
3536 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3538 ERR_(opengl)("No OpenGL support compiled in.\n");
3542 XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
3547 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3552 BOOL destroy_glxpixmap(Display *display, XID glxpixmap)
3557 XVisualInfo *visual_from_fbconfig_id( XID fbconfig_id )
3562 #endif /* defined(HAVE_OPENGL) */