winex11.drv: pbuffer detection.
[wine/dibdrv.git] / dlls / winex11.drv / opengl.c
blobcb7366ae2dbeba617162e48b7fe09b4ecc7b55d2
1 /*
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
25 #include "config.h"
26 #include "wine/port.h"
28 #include <assert.h>
29 #include <stdlib.h>
30 #include <string.h>
32 #include "x11drv.h"
33 #include "winternl.h"
34 #include "wine/library.h"
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(wgl);
38 WINE_DECLARE_DEBUG_CHANNEL(opengl);
40 #if defined(HAVE_GL_GL_H) && defined(HAVE_GL_GLX_H)
42 #undef APIENTRY
43 #undef CALLBACK
44 #undef WINAPI
46 #ifdef HAVE_GL_GL_H
47 # include <GL/gl.h>
48 #endif
49 #ifdef HAVE_GL_GLX_H
50 # include <GL/glx.h>
51 #endif
52 #ifdef HAVE_GL_GLEXT_H
53 # include <GL/glext.h>
54 #endif
56 #include "wine/wgl.h"
58 #undef APIENTRY
59 #undef CALLBACK
60 #undef WINAPI
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_glcontext {
71 HDC hdc;
72 XVisualInfo *vis;
73 GLXFBConfig fb_conf;
74 GLXContext ctx;
75 BOOL do_escape;
76 X11DRV_PDEVICE *physDev;
77 RECT viewport;
78 RECT scissor;
79 BOOL scissor_enabled;
80 struct wine_glcontext *next;
81 struct wine_glcontext *prev;
82 } Wine_GLContext;
84 typedef struct wine_glpbuffer {
85 Drawable drawable;
86 Display* display;
87 int pixelFormat;
88 int width;
89 int height;
90 int* attribList;
91 HDC hdc;
93 int use_render_texture;
94 GLuint texture_target;
95 GLuint texture_bind_target;
96 GLuint texture;
97 int texture_level;
98 HDC prev_hdc;
99 HGLRC prev_ctx;
100 HDC render_hdc;
101 HGLRC render_ctx;
102 } Wine_GLPBuffer;
104 typedef struct wine_glextension {
105 const char *extName;
106 struct {
107 const char *funcName;
108 void *funcAddress;
109 } extEntryPoints[8];
110 } WineGLExtension;
112 struct WineGLInfo {
113 const char *glVersion;
114 const char *glExtensions;
116 int glxVersion[2];
118 const char *glxServerVersion;
119 const char *glxServerExtensions;
121 const char *glxClientVersion;
122 const char *glxClientExtensions;
124 const char *glxExtensions;
126 BOOL glxDirect;
127 char wglExtensions[4096];
130 typedef struct wine_glpixelformat {
131 int iPixelFormat;
132 int fbconfig;
133 int fmt_index;
134 } WineGLPixelFormat;
136 static Wine_GLContext *context_list;
137 static struct WineGLInfo WineGLInfo = { 0 };
138 static int use_render_texture_emulation = 0;
139 static int use_render_texture_ati = 0;
140 static int swap_interval = 1;
142 #define MAX_EXTENSIONS 16
143 static const WineGLExtension *WineGLExtensionList[MAX_EXTENSIONS];
144 static int WineGLExtensionListSize;
146 #define MAX_GLPIXELFORMATS 32
147 static WineGLPixelFormat WineGLPixelFormatList[MAX_GLPIXELFORMATS];
148 static int WineGLPixelFormatListSize = 0;
150 static void X11DRV_WineGL_LoadExtensions(void);
152 static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR *ppfd) {
153 TRACE(" - size / version : %d / %d\n", ppfd->nSize, ppfd->nVersion);
154 TRACE(" - dwFlags : ");
155 #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
156 TEST_AND_DUMP(ppfd->dwFlags, PFD_DEPTH_DONTCARE);
157 TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER);
158 TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER_DONTCARE);
159 TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_WINDOW);
160 TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_BITMAP);
161 TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_ACCELERATED);
162 TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_FORMAT);
163 TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_PALETTE);
164 TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_SYSTEM_PALETTE);
165 TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO);
166 TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO_DONTCARE);
167 TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_GDI);
168 TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_OPENGL);
169 TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_COPY);
170 TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_EXCHANGE);
171 TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_LAYER_BUFFERS);
172 #undef TEST_AND_DUMP
173 TRACE("\n");
175 TRACE(" - iPixelType : ");
176 switch (ppfd->iPixelType) {
177 case PFD_TYPE_RGBA: TRACE("PFD_TYPE_RGBA"); break;
178 case PFD_TYPE_COLORINDEX: TRACE("PFD_TYPE_COLORINDEX"); break;
180 TRACE("\n");
182 TRACE(" - Color : %d\n", ppfd->cColorBits);
183 TRACE(" - Red : %d\n", ppfd->cRedBits);
184 TRACE(" - Green : %d\n", ppfd->cGreenBits);
185 TRACE(" - Blue : %d\n", ppfd->cBlueBits);
186 TRACE(" - Alpha : %d\n", ppfd->cAlphaBits);
187 TRACE(" - Accum : %d\n", ppfd->cAccumBits);
188 TRACE(" - Depth : %d\n", ppfd->cDepthBits);
189 TRACE(" - Stencil : %d\n", ppfd->cStencilBits);
190 TRACE(" - Aux : %d\n", ppfd->cAuxBuffers);
192 TRACE(" - iLayerType : ");
193 switch (ppfd->iLayerType) {
194 case PFD_MAIN_PLANE: TRACE("PFD_MAIN_PLANE"); break;
195 case PFD_OVERLAY_PLANE: TRACE("PFD_OVERLAY_PLANE"); break;
196 case (BYTE)PFD_UNDERLAY_PLANE: TRACE("PFD_UNDERLAY_PLANE"); break;
198 TRACE("\n");
201 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient and
202 include all dependencies
204 #ifndef SONAME_LIBGL
205 #define SONAME_LIBGL "libGL.so"
206 #endif
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;
212 /* GLX 1.0 */
213 MAKE_FUNCPTR(glXChooseVisual)
214 MAKE_FUNCPTR(glXCreateContext)
215 MAKE_FUNCPTR(glXCreateGLXPixmap)
216 MAKE_FUNCPTR(glXGetCurrentContext)
217 MAKE_FUNCPTR(glXDestroyContext)
218 MAKE_FUNCPTR(glXDestroyGLXPixmap)
219 MAKE_FUNCPTR(glXGetConfig)
220 MAKE_FUNCPTR(glXIsDirect)
221 MAKE_FUNCPTR(glXMakeCurrent)
222 MAKE_FUNCPTR(glXSwapBuffers)
223 MAKE_FUNCPTR(glXQueryExtension)
224 MAKE_FUNCPTR(glXQueryVersion)
225 MAKE_FUNCPTR(glXUseXFont)
227 /* GLX 1.1 */
228 MAKE_FUNCPTR(glXGetClientString)
229 MAKE_FUNCPTR(glXQueryExtensionsString)
230 MAKE_FUNCPTR(glXQueryServerString)
232 /* GLX 1.3 */
233 MAKE_FUNCPTR(glXGetFBConfigs)
234 MAKE_FUNCPTR(glXChooseFBConfig)
235 MAKE_FUNCPTR(glXCreatePbuffer)
236 MAKE_FUNCPTR(glXDestroyPbuffer)
237 MAKE_FUNCPTR(glXGetFBConfigAttrib)
238 MAKE_FUNCPTR(glXGetVisualFromFBConfig)
239 MAKE_FUNCPTR(glXMakeContextCurrent)
240 MAKE_FUNCPTR(glXQueryDrawable)
241 MAKE_FUNCPTR(glXGetCurrentReadDrawable)
243 /* GLX Extensions */
244 static void* (*pglXGetProcAddressARB)(const GLubyte *);
245 static BOOL (*pglXBindTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
246 static BOOL (*pglXReleaseTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
247 static BOOL (*pglXDrawableAttribARB)(Display *dpy, GLXDrawable draw, const int *attribList);
248 static int (*pglXSwapIntervalSGI)(int);
250 /* NV GLX Extension */
251 static void* (*pglXAllocateMemoryNV)(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
252 static void (*pglXFreeMemoryNV)(GLvoid *pointer);
254 /* Standard OpenGL */
255 MAKE_FUNCPTR(glBindTexture)
256 MAKE_FUNCPTR(glBitmap)
257 MAKE_FUNCPTR(glCopyTexSubImage1D)
258 MAKE_FUNCPTR(glCopyTexSubImage2D)
259 MAKE_FUNCPTR(glDisable)
260 MAKE_FUNCPTR(glDrawBuffer)
261 MAKE_FUNCPTR(glEnable)
262 MAKE_FUNCPTR(glEndList)
263 MAKE_FUNCPTR(glGetError)
264 MAKE_FUNCPTR(glGetIntegerv)
265 MAKE_FUNCPTR(glGetString)
266 MAKE_FUNCPTR(glIsEnabled)
267 MAKE_FUNCPTR(glNewList)
268 MAKE_FUNCPTR(glPixelStorei)
269 MAKE_FUNCPTR(glScissor)
270 MAKE_FUNCPTR(glViewport)
271 #undef MAKE_FUNCPTR
273 static BOOL X11DRV_WineGL_InitOpenglInfo(void)
275 static BOOL infoInitialized = FALSE;
277 int screen = DefaultScreen(gdi_display);
278 Window win = RootWindow(gdi_display, screen);
279 Visual *visual;
280 XVisualInfo template;
281 XVisualInfo *vis;
282 int num;
283 GLXContext ctx = NULL;
285 if (infoInitialized)
286 return TRUE;
287 infoInitialized = TRUE;
289 wine_tsx11_lock();
291 visual = DefaultVisual(gdi_display, screen);
292 template.visualid = XVisualIDFromVisual(visual);
293 vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
294 if (vis) {
295 /* Create a GLX Context. Without one we can't query GL information */
296 ctx = pglXCreateContext(gdi_display, vis, None, GL_TRUE);
299 if (ctx) {
300 pglXMakeCurrent(gdi_display, win, ctx);
301 } else {
302 ERR(" couldn't initialize OpenGL, expect problems\n");
303 wine_tsx11_unlock();
304 return FALSE;
307 WineGLInfo.glVersion = (const char *) pglGetString(GL_VERSION);
308 WineGLInfo.glExtensions = (const char *) pglGetString(GL_EXTENSIONS);
310 /* Get the common GLX version supported by GLX client and server ( major/minor) */
311 pglXQueryVersion(gdi_display, &WineGLInfo.glxVersion[0], &WineGLInfo.glxVersion[1]);
313 WineGLInfo.glxServerVersion = pglXQueryServerString(gdi_display, screen, GLX_VERSION);
314 WineGLInfo.glxServerExtensions = pglXQueryServerString(gdi_display, screen, GLX_EXTENSIONS);
316 WineGLInfo.glxClientVersion = pglXGetClientString(gdi_display, GLX_VERSION);
317 WineGLInfo.glxClientExtensions = pglXGetClientString(gdi_display, GLX_EXTENSIONS);
319 WineGLInfo.glxExtensions = pglXQueryExtensionsString(gdi_display, screen);
320 WineGLInfo.glxDirect = pglXIsDirect(gdi_display, ctx);
322 TRACE("GL version : %s.\n", WineGLInfo.glVersion);
323 TRACE("GLX version : %d.%d.\n", WineGLInfo.glxVersion[0], WineGLInfo.glxVersion[1]);
324 TRACE("Server GLX version : %s.\n", WineGLInfo.glxServerVersion);
325 TRACE("Client GLX version : %s.\n", WineGLInfo.glxClientVersion);
326 TRACE("Direct rendering enabled: %s\n", WineGLInfo.glxDirect ? "True" : "False");
328 if(vis) XFree(vis);
329 if(ctx) {
330 pglXMakeCurrent(gdi_display, None, NULL);
331 pglXDestroyContext(gdi_display, ctx);
333 wine_tsx11_unlock();
334 return TRUE;
337 static BOOL has_opengl(void)
339 static int init_done;
340 static void *opengl_handle;
341 const char *glx_extensions;
343 int error_base, event_base;
345 if (init_done) return (opengl_handle != NULL);
346 init_done = 1;
348 opengl_handle = wine_dlopen(SONAME_LIBGL, RTLD_NOW|RTLD_GLOBAL, NULL, 0);
349 if (opengl_handle == NULL) return FALSE;
351 pglXGetProcAddressARB = wine_dlsym(opengl_handle, "glXGetProcAddressARB", NULL, 0);
352 if (pglXGetProcAddressARB == NULL) {
353 ERR("could not find glXGetProcAddressARB in libGL.\n");
354 return FALSE;
357 #define LOAD_FUNCPTR(f) if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) goto sym_not_found;
358 /* GLX 1.0 */
359 LOAD_FUNCPTR(glXChooseVisual)
360 LOAD_FUNCPTR(glXCreateContext)
361 LOAD_FUNCPTR(glXCreateGLXPixmap)
362 LOAD_FUNCPTR(glXGetCurrentContext)
363 LOAD_FUNCPTR(glXDestroyContext)
364 LOAD_FUNCPTR(glXDestroyGLXPixmap)
365 LOAD_FUNCPTR(glXGetConfig)
366 LOAD_FUNCPTR(glXIsDirect)
367 LOAD_FUNCPTR(glXMakeCurrent)
368 LOAD_FUNCPTR(glXSwapBuffers)
369 LOAD_FUNCPTR(glXQueryExtension)
370 LOAD_FUNCPTR(glXQueryVersion)
371 LOAD_FUNCPTR(glXUseXFont)
373 /* GLX 1.1 */
374 LOAD_FUNCPTR(glXGetClientString)
375 LOAD_FUNCPTR(glXQueryExtensionsString)
376 LOAD_FUNCPTR(glXQueryServerString)
378 /* GLX 1.3 */
379 LOAD_FUNCPTR(glXCreatePbuffer)
380 LOAD_FUNCPTR(glXDestroyPbuffer)
381 LOAD_FUNCPTR(glXMakeContextCurrent)
382 LOAD_FUNCPTR(glXGetCurrentReadDrawable)
383 LOAD_FUNCPTR(glXGetFBConfigs)
385 /* Standard OpenGL calls */
386 LOAD_FUNCPTR(glBindTexture)
387 LOAD_FUNCPTR(glBitmap)
388 LOAD_FUNCPTR(glCopyTexSubImage1D)
389 LOAD_FUNCPTR(glCopyTexSubImage2D)
390 LOAD_FUNCPTR(glDisable)
391 LOAD_FUNCPTR(glDrawBuffer)
392 LOAD_FUNCPTR(glEnable)
393 LOAD_FUNCPTR(glEndList)
394 LOAD_FUNCPTR(glGetError)
395 LOAD_FUNCPTR(glGetIntegerv)
396 LOAD_FUNCPTR(glGetString)
397 LOAD_FUNCPTR(glIsEnabled)
398 LOAD_FUNCPTR(glNewList)
399 LOAD_FUNCPTR(glPixelStorei)
400 LOAD_FUNCPTR(glScissor)
401 LOAD_FUNCPTR(glViewport)
402 #undef LOAD_FUNCPTR
404 /* It doesn't matter if these fail. They'll only be used if the driver reports
405 the associated extension is available (and if a driver reports the extension
406 is available but fails to provide the functions, it's quite broken) */
407 #define LOAD_FUNCPTR(f) p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f);
408 /* NV GLX Extension */
409 LOAD_FUNCPTR(glXAllocateMemoryNV)
410 LOAD_FUNCPTR(glXFreeMemoryNV)
411 #undef LOAD_FUNCPTR
413 if(!X11DRV_WineGL_InitOpenglInfo()) {
414 ERR("Intialization of OpenGL info failed, disabling OpenGL!\n");
415 wine_dlclose(opengl_handle, NULL, 0);
416 opengl_handle = NULL;
417 return FALSE;
420 wine_tsx11_lock();
421 if (pglXQueryExtension(gdi_display, &error_base, &event_base) == True) {
422 TRACE("GLX is up and running error_base = %d\n", error_base);
423 } else {
424 wine_dlclose(opengl_handle, NULL, 0);
425 opengl_handle = NULL;
428 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
429 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
430 * rendering is used.
432 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
433 * depends on the reported GLX client / server version and on the client / server extension list.
434 * Those don't have to be the same.
436 * In general the server GLX information should be used in case of indirect rendering. When direct
437 * rendering is used, the OpenGL client library is responsible for which GLX calls are available.
438 * Nvidia's OpenGL drivers are the best in terms of GLX features. At the moment of writing their
439 * 8762 drivers support 1.3 for the server and 1.4 for the client and they support lots of extensions.
440 * Unfortunately it is much more complicated for Mesa/DRI-based drivers and ATI's drivers.
441 * Both sets of drivers report a server version of 1.2 and the client version can be 1.3 or 1.4.
442 * Further, in case of at least ATI's drivers, one crucial extension needed for our pixel format code
443 * is only available in the list of server extensions and not in the client list.
445 * The versioning checks below try to take into account the comments from above.
448 /* Depending on the use of direct or indirect rendering we need either the list of extensions
449 * exported by the client or by the server.
451 if(WineGLInfo.glxDirect)
452 glx_extensions = WineGLInfo.glxClientExtensions;
453 else
454 glx_extensions = WineGLInfo.glxServerExtensions;
456 /* Based on the default opengl context we decide whether direct or indirect rendering is used.
457 * In case of indirect rendering we check if the GLX version of the server is 1.2 and else
458 * the client version is checked.
460 if ((!WineGLInfo.glxDirect && !strcmp("1.2", WineGLInfo.glxServerVersion)) ||
461 (WineGLInfo.glxDirect && !strcmp("1.2", WineGLInfo.glxClientVersion)))
463 if (NULL != strstr(glx_extensions, "GLX_SGIX_fbconfig")) {
464 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfigSGIX");
465 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttribSGIX");
466 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfigSGIX");
467 } else {
468 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", WineGLInfo.glxClientVersion);
470 } else {
471 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig");
472 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib");
473 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig");
476 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
477 * enable this function when the Xserver understand GLX 1.3 or newer
479 if (!strcmp("1.2", WineGLInfo.glxServerVersion))
480 pglXQueryDrawable = NULL;
481 else
482 pglXQueryDrawable = wine_dlsym(RTLD_DEFAULT, "glXQueryDrawable", NULL, 0);
484 if (NULL != strstr(glx_extensions, "GLX_ATI_render_texture")) {
485 pglXBindTexImageARB = (void*)pglXGetProcAddressARB((const GLubyte *) "glXBindTexImageARB");
486 pglXReleaseTexImageARB = (void*)pglXGetProcAddressARB((const GLubyte *) "glXReleaseTexImageARB");
487 pglXDrawableAttribARB = (void*)pglXGetProcAddressARB((const GLubyte *) "glXDrawableAttribARB");
490 X11DRV_WineGL_LoadExtensions();
492 wine_tsx11_unlock();
493 return (opengl_handle != NULL);
495 sym_not_found:
496 wine_dlclose(opengl_handle, NULL, 0);
497 opengl_handle = NULL;
498 return FALSE;
501 static inline Wine_GLContext *alloc_context(void)
503 Wine_GLContext *ret;
505 if ((ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLContext))))
507 ret->next = context_list;
508 if (context_list) context_list->prev = ret;
509 context_list = ret;
511 return ret;
514 static inline void free_context(Wine_GLContext *context)
516 if (context->next != NULL) context->next->prev = context->prev;
517 if (context->prev != NULL) context->prev->next = context->next;
518 else context_list = context->next;
520 HeapFree(GetProcessHeap(), 0, context);
523 static inline Wine_GLContext *get_context_from_GLXContext(GLXContext ctx)
525 Wine_GLContext *ret;
526 if (!ctx) return NULL;
527 for (ret = context_list; ret; ret = ret->next) if (ctx == ret->ctx) break;
528 return ret;
532 * get_drawable (internal)
534 * Retrieve the GLX drawable to use on a given DC.
536 inline static Drawable get_drawable( HDC hdc )
538 GLXDrawable drawable;
539 enum x11drv_escape_codes escape = X11DRV_GET_GLX_DRAWABLE;
541 if (!ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPCSTR)&escape,
542 sizeof(drawable), (LPSTR)&drawable )) drawable = 0;
543 return drawable;
547 * get_hdc_from_Drawable (internal)
549 * For use by wglGetCurrentReadDCARB.
551 inline static HDC get_hdc_from_Drawable(GLXDrawable d)
553 Wine_GLContext *ret;
554 for (ret = context_list; ret; ret = ret->next) {
555 if (d == ret->physDev->drawable) {
556 return ret->hdc;
559 return NULL;
562 inline static BOOL is_valid_context( Wine_GLContext *ctx )
564 Wine_GLContext *ptr;
565 for (ptr = context_list; ptr; ptr = ptr->next) if (ptr == ctx) break;
566 return (ptr != NULL);
569 static int describeContext(Wine_GLContext* ctx) {
570 int tmp;
571 int ctx_vis_id;
572 TRACE(" Context %p have (vis:%p):\n", ctx, ctx->vis);
573 pglXGetFBConfigAttrib(gdi_display, ctx->fb_conf, GLX_FBCONFIG_ID, &tmp);
574 TRACE(" - FBCONFIG_ID 0x%x\n", tmp);
575 pglXGetFBConfigAttrib(gdi_display, ctx->fb_conf, GLX_VISUAL_ID, &tmp);
576 TRACE(" - VISUAL_ID 0x%x\n", tmp);
577 ctx_vis_id = tmp;
578 return ctx_vis_id;
581 static int describeDrawable(Wine_GLContext* ctx, Drawable drawable) {
582 int tmp;
583 int nElements;
584 int attribList[3] = { GLX_FBCONFIG_ID, 0, None };
585 GLXFBConfig *fbCfgs;
587 if (pglXQueryDrawable == NULL) {
588 /** glXQueryDrawable not available so returns not supported */
589 return -1;
592 TRACE(" Drawable %p have :\n", (void*) drawable);
593 pglXQueryDrawable(gdi_display, drawable, GLX_WIDTH, (unsigned int*) &tmp);
594 TRACE(" - WIDTH as %d\n", tmp);
595 pglXQueryDrawable(gdi_display, drawable, GLX_HEIGHT, (unsigned int*) &tmp);
596 TRACE(" - HEIGHT as %d\n", tmp);
597 pglXQueryDrawable(gdi_display, drawable, GLX_FBCONFIG_ID, (unsigned int*) &tmp);
598 TRACE(" - FBCONFIG_ID as 0x%x\n", tmp);
600 attribList[1] = tmp;
601 fbCfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribList, &nElements);
602 if (fbCfgs == NULL) {
603 return -1;
606 pglXGetFBConfigAttrib(gdi_display, fbCfgs[0], GLX_VISUAL_ID, &tmp);
607 TRACE(" - VISUAL_ID as 0x%x\n", tmp);
609 XFree(fbCfgs);
611 return tmp;
614 static int ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, Wine_GLPBuffer* pbuf) {
615 int nAttribs = 0;
616 unsigned cur = 0;
617 int pop;
618 int drawattrib = 0;
619 int isColor = 0;
620 int wantColorBits = 0;
621 int sz_alpha = 0;
623 while (0 != iWGLAttr[cur]) {
624 TRACE("pAttr[%d] = %x\n", cur, iWGLAttr[cur]);
626 switch (iWGLAttr[cur]) {
627 case WGL_COLOR_BITS_ARB:
628 pop = iWGLAttr[++cur];
629 wantColorBits = pop; /** see end */
630 break;
631 case WGL_BLUE_BITS_ARB:
632 pop = iWGLAttr[++cur];
633 PUSH2(oGLXAttr, GLX_BLUE_SIZE, pop);
634 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur, pop);
635 break;
636 case WGL_RED_BITS_ARB:
637 pop = iWGLAttr[++cur];
638 PUSH2(oGLXAttr, GLX_RED_SIZE, pop);
639 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur, pop);
640 break;
641 case WGL_GREEN_BITS_ARB:
642 pop = iWGLAttr[++cur];
643 PUSH2(oGLXAttr, GLX_GREEN_SIZE, pop);
644 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur, pop);
645 break;
646 case WGL_ALPHA_BITS_ARB:
647 pop = iWGLAttr[++cur];
648 sz_alpha = pop;
649 PUSH2(oGLXAttr, GLX_ALPHA_SIZE, pop);
650 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur, pop);
651 break;
652 case WGL_DEPTH_BITS_ARB:
653 pop = iWGLAttr[++cur];
654 PUSH2(oGLXAttr, GLX_DEPTH_SIZE, pop);
655 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur, pop);
656 break;
657 case WGL_STENCIL_BITS_ARB:
658 pop = iWGLAttr[++cur];
659 PUSH2(oGLXAttr, GLX_STENCIL_SIZE, pop);
660 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur, pop);
661 break;
662 case WGL_DOUBLE_BUFFER_ARB:
663 pop = iWGLAttr[++cur];
664 PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, pop);
665 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur, pop);
666 break;
668 case WGL_PIXEL_TYPE_ARB:
669 pop = iWGLAttr[++cur];
670 switch (pop) {
671 case WGL_TYPE_COLORINDEX_ARB: pop = GLX_COLOR_INDEX_BIT; isColor = 1; break ;
672 case WGL_TYPE_RGBA_ARB: pop = GLX_RGBA_BIT; break ;
673 case WGL_TYPE_RGBA_FLOAT_ATI: pop = GLX_RGBA_FLOAT_ATI_BIT; break ;
674 default:
675 ERR("unexpected PixelType(%x)\n", pop);
676 pop = 0;
678 PUSH2(oGLXAttr, GLX_RENDER_TYPE, pop);
679 TRACE("pAttr[%d] = GLX_RENDER_TYPE: %d\n", cur, pop);
680 break;
682 case WGL_SUPPORT_GDI_ARB:
683 pop = iWGLAttr[++cur];
684 /* We only support a limited number of formats which are all renderable by X (similar to GDI).
685 * Ignore this attribute to prevent us from not finding a match due to the limited
686 * amount of formats supported right now. This option could be matched to GLX_X_RENDERABLE
687 * but the issue is that when a program asks for no GDI support, there's no format we can return
688 * as all our supported formats are renderable by X.
690 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur, pop);
691 break;
693 case WGL_DRAW_TO_BITMAP_ARB:
694 pop = iWGLAttr[++cur];
695 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur, pop);
696 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
697 if (pop) {
698 drawattrib |= GLX_PIXMAP_BIT;
700 break;
702 case WGL_DRAW_TO_WINDOW_ARB:
703 pop = iWGLAttr[++cur];
704 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur, pop);
705 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
706 if (pop) {
707 drawattrib |= GLX_WINDOW_BIT;
709 break;
711 case WGL_DRAW_TO_PBUFFER_ARB:
712 pop = iWGLAttr[++cur];
713 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur, pop);
714 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
715 if (pop) {
716 drawattrib |= GLX_PBUFFER_BIT;
718 break;
720 case WGL_ACCELERATION_ARB:
721 case WGL_SUPPORT_OPENGL_ARB:
722 pop = iWGLAttr[++cur];
723 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
724 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur, pop);
725 break;
727 case WGL_PBUFFER_LARGEST_ARB:
728 pop = iWGLAttr[++cur];
729 PUSH2(oGLXAttr, GLX_LARGEST_PBUFFER, pop);
730 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur, pop);
731 break;
733 case WGL_SAMPLE_BUFFERS_ARB:
734 pop = iWGLAttr[++cur];
735 PUSH2(oGLXAttr, GLX_SAMPLE_BUFFERS_ARB, pop);
736 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur, pop);
737 break;
739 case WGL_SAMPLES_ARB:
740 pop = iWGLAttr[++cur];
741 PUSH2(oGLXAttr, GLX_SAMPLES_ARB, pop);
742 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur, pop);
743 break;
745 case WGL_TEXTURE_FORMAT_ARB:
746 case WGL_TEXTURE_TARGET_ARB:
747 case WGL_MIPMAP_TEXTURE_ARB:
748 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr[cur], iWGLAttr[cur + 1]);
749 pop = iWGLAttr[++cur];
750 if (NULL == pbuf) {
751 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr[cur]);
753 if (use_render_texture_ati) {
754 /** nothing to do here */
756 else if (!use_render_texture_emulation) {
757 if (WGL_NO_TEXTURE_ARB != pop) {
758 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr[cur]);
759 return -1; /** error: don't support it */
760 } else {
761 PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
762 drawattrib |= GLX_PBUFFER_BIT;
765 break ;
767 case WGL_BIND_TO_TEXTURE_RGB_ARB:
768 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
769 pop = iWGLAttr[++cur];
770 /** cannot be converted, see direct handling on
771 * - wglGetPixelFormatAttribivARB
772 * TODO: wglChoosePixelFormat
774 break ;
776 default:
777 FIXME("unsupported %x WGL Attribute\n", iWGLAttr[cur]);
778 break;
780 ++cur;
784 * Trick as WGL_COLOR_BITS_ARB != GLX_BUFFER_SIZE
785 * WGL_COLOR_BITS_ARB + WGL_ALPHA_BITS_ARB == GLX_BUFFER_SIZE
787 * WGL_COLOR_BITS_ARB
788 * The number of color bitplanes in each color buffer. For RGBA
789 * pixel types, it is the size of the color buffer, excluding the
790 * alpha bitplanes. For color-index pixels, it is the size of the
791 * color index buffer.
793 * GLX_BUFFER_SIZE
794 * This attribute defines the number of bits per color buffer.
795 * For GLX FBConfigs that correspond to a PseudoColor or StaticColor visual,
796 * this is equal to the depth value reported in the X11 visual.
797 * For GLX FBConfigs that correspond to TrueColor or DirectColor visual,
798 * this is the sum of GLX_RED_SIZE, GLX_GREEN_SIZE, GLX_BLUE_SIZE, and GLX_ALPHA_SIZE.
801 if (0 < wantColorBits) {
802 if (!isColor) {
803 wantColorBits += sz_alpha;
805 if (32 < wantColorBits) {
806 ERR("buggy %d GLX_BUFFER_SIZE default to 32\n", wantColorBits);
807 wantColorBits = 32;
809 PUSH2(oGLXAttr, GLX_BUFFER_SIZE, wantColorBits);
810 TRACE("pAttr[%d] = WGL_COLOR_BITS_ARB: %d\n", cur, wantColorBits);
813 /* Apply the OR'd drawable type bitmask now. */
814 if (drawattrib) {
815 PUSH2(oGLXAttr, GLX_DRAWABLE_TYPE, drawattrib);
816 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib);
819 return nAttribs;
822 BOOL get_fbconfig_from_visualid(Display *display, Visual *visual, int *fmt_id, int *fmt_index)
824 GLXFBConfig* cfgs = NULL;
825 int i;
826 int nCfgs;
827 int tmp_fmt_id;
828 int tmp_vis_id;
829 VisualID visualid;
831 if(!display || !display) {
832 ERR("Invalid display or visual\n");
834 visualid = XVisualIDFromVisual(visual);
836 /* Get a list of all available framebuffer configurations */
837 cfgs = pglXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
838 if (NULL == cfgs || 0 == nCfgs) {
839 ERR("glXChooseFBConfig returns NULL\n");
840 if(cfgs != NULL) XFree(cfgs);
841 return 0;
844 /* Find the requested offscreen format and count the number of offscreen formats */
845 for(i=0; i<nCfgs; i++) {
846 pglXGetFBConfigAttrib(display, cfgs[i], GLX_VISUAL_ID, &tmp_vis_id);
847 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &tmp_fmt_id);
849 /* We are looking up the GLX index of our main visual and have found it :) */
850 if(visualid == tmp_vis_id) {
851 TRACE("Found FBCONFIG_ID 0x%x at index %d for VISUAL_ID 0x%x\n", tmp_fmt_id, i, tmp_vis_id);
852 XFree(cfgs);
853 *fmt_id = tmp_fmt_id;
854 *fmt_index = i;
855 return TRUE;
859 ERR("No fbconfig found for Wine's main visual (0x%lx), expect problems!\n", visualid);
860 XFree(cfgs);
861 return FALSE;
864 static BOOL init_formats(Display *display, int screen, Visual *visual)
866 int fmt_id, fmt_index;
868 /* Locate the fbconfig correspondig to our main visual */
869 if(!get_fbconfig_from_visualid(display, visual, &fmt_id, &fmt_index)) {
870 ERR("Can't get the FBCONFIG_ID for the main visual, expect problems!\n");
871 return FALSE;
874 /* Put Wine's internal format at the first index */
875 WineGLPixelFormatList[0].iPixelFormat = 1;
876 WineGLPixelFormatList[0].fbconfig = fmt_id;
877 WineGLPixelFormatList[0].fmt_index = fmt_index;
878 WineGLPixelFormatListSize = 1;
880 /* In the future test for compatible formats here */
882 return TRUE;
885 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
886 * In our WGL implementation we only support a subset of these formats namely the format of
887 * Wine's main visual and offscreen formats (if they are available).
888 * This function converts a WGL format to its corresponding GLX one. It returns the index (zero-based)
889 * into the GLX FB config table and it returns the number of supported WGL formats in fmt_count.
891 static BOOL ConvertPixelFormatWGLtoGLX(Display *display, int iPixelFormat, int *fmt_index, int *fmt_count)
893 int ret;
895 /* Init the list of pixel formats when we need it */
896 if(!WineGLPixelFormatListSize)
897 init_formats(display, DefaultScreen(display), visual);
899 if((iPixelFormat <= 0) || (iPixelFormat > WineGLPixelFormatListSize)) {
900 ERR("invalid iPixelFormat %d\n", iPixelFormat);
901 ret = FALSE;
902 *fmt_index = -1;
904 else {
905 ret = TRUE;
906 *fmt_index = WineGLPixelFormatList[iPixelFormat-1].fmt_index;
909 *fmt_count = WineGLPixelFormatListSize;
910 TRACE("Returning fmt_index=%d, fmt_count=%d for iPixelFormat=%d\n", *fmt_index, *fmt_count, iPixelFormat);
912 return ret;
915 /* Search our internal pixelformat list for the WGL format corresponding to the given fbconfig */
916 static int ConvertPixelFormatGLXtoWGL(Display *display, int fbconfig)
918 int i;
920 /* Init the list of pixel formats when we need it */
921 if(!WineGLPixelFormatListSize)
922 init_formats(display, DefaultScreen(display), visual);
924 for(i=0; i<WineGLPixelFormatListSize; i++) {
925 if(WineGLPixelFormatList[i].fbconfig == fbconfig) {
926 TRACE("Returning iPixelFormat %d for fbconfig 0x%x\n", WineGLPixelFormatList[i].iPixelFormat, fbconfig);
927 return WineGLPixelFormatList[i].iPixelFormat;
930 TRACE("No compatible format found for FBCONFIG_ID=0x%x\n", fbconfig);
931 return 0;
935 * X11DRV_ChoosePixelFormat
937 * Equivalent to glXChooseVisual.
939 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
940 const PIXELFORMATDESCRIPTOR *ppfd) {
941 GLXFBConfig* cfgs = NULL;
942 int ret = 0;
943 int nCfgs = 0;
944 int value = 0;
945 int fmt_index = 0;
947 if (!has_opengl()) {
948 ERR("No libGL on this box - disabling OpenGL support !\n");
949 return 0;
952 if (TRACE_ON(opengl)) {
953 TRACE("(%p,%p)\n", physDev, ppfd);
955 dump_PIXELFORMATDESCRIPTOR((const PIXELFORMATDESCRIPTOR *) ppfd);
958 wine_tsx11_lock();
959 if(!visual) {
960 ERR("Can't get an opengl visual!\n");
961 goto choose_exit;
964 /* Get a list containing all supported FB configurations */
965 cfgs = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs);
966 if (NULL == cfgs || 0 == nCfgs) {
967 ERR("glXGetFBConfigs returns NULL (glError: %d)\n", pglGetError());
968 goto choose_exit;
971 /* In case an fbconfig was found, check if it matches to the requirements of the ppfd */
972 if(!ConvertPixelFormatWGLtoGLX(gdi_display, 1 /* main visual */, &fmt_index, &value)) {
973 ERR("Can't find a matching FBCONFIG_ID for VISUAL_ID 0x%lx!\n", visual->visualid);
974 } else {
975 int dwFlags = 0;
976 int iPixelType = 0;
977 int value = 0;
979 /* Pixel type */
980 pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_RENDER_TYPE, &value);
981 if (value & GLX_RGBA_BIT)
982 iPixelType = PFD_TYPE_RGBA;
983 else
984 iPixelType = PFD_TYPE_COLORINDEX;
986 if (ppfd->iPixelType != iPixelType) {
987 TRACE("pixel type mismatch\n");
988 goto choose_exit;
991 /* Doublebuffer */
992 pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_DOUBLEBUFFER, &value); if (value) dwFlags |= PFD_DOUBLEBUFFER;
993 if (!(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && (ppfd->dwFlags & PFD_DOUBLEBUFFER)) {
994 if (!(dwFlags & PFD_DOUBLEBUFFER)) {
995 TRACE("dbl buffer mismatch\n");
996 goto choose_exit;
1000 /* Stereo */
1001 pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_STEREO, &value); if (value) dwFlags |= PFD_STEREO;
1002 if (!(ppfd->dwFlags & PFD_STEREO_DONTCARE) && (ppfd->dwFlags & PFD_STEREO)) {
1003 if (!(dwFlags & PFD_STEREO)) {
1004 TRACE("stereo mismatch\n");
1005 goto choose_exit;
1009 /* Alpha bits */
1010 pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_ALPHA_SIZE, &value);
1011 if (ppfd->iPixelType==PFD_TYPE_RGBA && ppfd->cAlphaBits && !value) {
1012 TRACE("alpha mismatch\n");
1013 goto choose_exit;
1016 /* Depth bits */
1017 pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_DEPTH_SIZE, &value);
1018 if (ppfd->cDepthBits && !value) {
1019 TRACE("depth mismatch\n");
1020 goto choose_exit;
1023 /* Stencil bits */
1024 pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_STENCIL_SIZE, &value);
1025 if (ppfd->cStencilBits && !value) {
1026 TRACE("stencil mismatch\n");
1027 goto choose_exit;
1030 /* Aux buffers */
1031 pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_AUX_BUFFERS, &value);
1032 if (ppfd->cAuxBuffers && !value) {
1033 TRACE("aux mismatch\n");
1034 goto choose_exit;
1037 /* When we pass all the checks we have found a matching format :) */
1038 ret = 1;
1039 TRACE("Successfully found a matching mode, returning index: %d\n", ret);
1042 choose_exit:
1043 if(!ret)
1044 TRACE("No matching mode was found returning 0\n");
1046 if (NULL != cfgs) XFree(cfgs);
1047 wine_tsx11_unlock();
1048 return ret;
1052 * X11DRV_DescribePixelFormat
1054 * Get the pixel-format descriptor associated to the given id
1056 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
1057 int iPixelFormat,
1058 UINT nBytes,
1059 PIXELFORMATDESCRIPTOR *ppfd) {
1060 /*XVisualInfo *vis;*/
1061 int value;
1062 int rb,gb,bb,ab;
1064 GLXFBConfig* cfgs = NULL;
1065 GLXFBConfig cur;
1066 int nCfgs = 0;
1067 int ret = 0;
1068 int fmt_count = 0;
1069 int fmt_index = 0;
1070 BOOL res = FALSE;
1072 if (!has_opengl()) {
1073 ERR("No libGL on this box - disabling OpenGL support !\n");
1074 return 0;
1077 TRACE("(%p,%d,%d,%p)\n", physDev, iPixelFormat, nBytes, ppfd);
1079 wine_tsx11_lock();
1080 cfgs = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs);
1081 wine_tsx11_unlock();
1083 if (NULL == cfgs || 0 == nCfgs) {
1084 ERR("unexpected iPixelFormat(%d), returns NULL\n", iPixelFormat);
1085 return 0; /* unespected error */
1088 /* 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 */
1089 res = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &fmt_count);
1091 if (ppfd == NULL) {
1092 /* The application is only querying the number of visuals */
1093 wine_tsx11_lock();
1094 if (NULL != cfgs) XFree(cfgs);
1095 wine_tsx11_unlock();
1096 return fmt_count;
1097 } else if(res == FALSE) {
1098 WARN("unexpected iPixelFormat(%d): not >=1 and <=nFormats(%d), returning NULL!\n", iPixelFormat, fmt_count);
1099 wine_tsx11_lock();
1100 if (NULL != cfgs) XFree(cfgs);
1101 wine_tsx11_unlock();
1102 return 0;
1105 if (nBytes < sizeof(PIXELFORMATDESCRIPTOR)) {
1106 ERR("Wrong structure size !\n");
1107 /* Should set error */
1108 return 0;
1111 ret = fmt_count;
1112 cur = cfgs[fmt_index];
1114 memset(ppfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
1115 ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
1116 ppfd->nVersion = 1;
1118 /* These flags are always the same... */
1119 ppfd->dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
1120 /* Now the flags extracted from the Visual */
1122 wine_tsx11_lock();
1124 pglXGetFBConfigAttrib(gdi_display, cur, GLX_CONFIG_CAVEAT, &value);
1125 if(value == GLX_SLOW_CONFIG)
1126 ppfd->dwFlags |= PFD_GENERIC_ACCELERATED;
1128 pglXGetFBConfigAttrib(gdi_display, cur, GLX_DOUBLEBUFFER, &value); if (value) ppfd->dwFlags |= PFD_DOUBLEBUFFER;
1129 pglXGetFBConfigAttrib(gdi_display, cur, GLX_STEREO, &value); if (value) ppfd->dwFlags |= PFD_STEREO;
1131 /* Pixel type */
1132 pglXGetFBConfigAttrib(gdi_display, cur, GLX_RENDER_TYPE, &value);
1133 if (value & GLX_RGBA_BIT)
1134 ppfd->iPixelType = PFD_TYPE_RGBA;
1135 else
1136 ppfd->iPixelType = PFD_TYPE_COLORINDEX;
1138 /* Color bits */
1139 pglXGetFBConfigAttrib(gdi_display, cur, GLX_BUFFER_SIZE, &value);
1140 ppfd->cColorBits = value;
1142 /* Red, green, blue and alpha bits / shifts */
1143 if (ppfd->iPixelType == PFD_TYPE_RGBA) {
1144 pglXGetFBConfigAttrib(gdi_display, cur, GLX_RED_SIZE, &rb);
1145 pglXGetFBConfigAttrib(gdi_display, cur, GLX_GREEN_SIZE, &gb);
1146 pglXGetFBConfigAttrib(gdi_display, cur, GLX_BLUE_SIZE, &bb);
1147 pglXGetFBConfigAttrib(gdi_display, cur, GLX_ALPHA_SIZE, &ab);
1149 ppfd->cRedBits = rb;
1150 ppfd->cRedShift = gb + bb + ab;
1151 ppfd->cBlueBits = bb;
1152 ppfd->cBlueShift = ab;
1153 ppfd->cGreenBits = gb;
1154 ppfd->cGreenShift = bb + ab;
1155 ppfd->cAlphaBits = ab;
1156 ppfd->cAlphaShift = 0;
1157 } else {
1158 ppfd->cRedBits = 0;
1159 ppfd->cRedShift = 0;
1160 ppfd->cBlueBits = 0;
1161 ppfd->cBlueShift = 0;
1162 ppfd->cGreenBits = 0;
1163 ppfd->cGreenShift = 0;
1164 ppfd->cAlphaBits = 0;
1165 ppfd->cAlphaShift = 0;
1167 /* Accums : to do ... */
1169 /* Depth bits */
1170 pglXGetFBConfigAttrib(gdi_display, cur, GLX_DEPTH_SIZE, &value);
1171 ppfd->cDepthBits = value;
1173 /* stencil bits */
1174 pglXGetFBConfigAttrib(gdi_display, cur, GLX_STENCIL_SIZE, &value);
1175 ppfd->cStencilBits = value;
1177 wine_tsx11_unlock();
1179 /* Aux : to do ... */
1181 ppfd->iLayerType = PFD_MAIN_PLANE;
1183 if (TRACE_ON(opengl)) {
1184 dump_PIXELFORMATDESCRIPTOR(ppfd);
1187 wine_tsx11_lock();
1188 if (NULL != cfgs) XFree(cfgs);
1189 wine_tsx11_unlock();
1191 return ret;
1195 * X11DRV_GetPixelFormat
1197 * Get the pixel-format id used by this DC
1199 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
1200 TRACE("(%p): returns %d\n", physDev, physDev->current_pf);
1202 return physDev->current_pf;
1206 * X11DRV_SetPixelFormat
1208 * Set the pixel-format id used by this DC
1210 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
1211 int iPixelFormat,
1212 const PIXELFORMATDESCRIPTOR *ppfd) {
1213 int fmt_index = 0;
1214 int value;
1216 TRACE("(%p,%d,%p)\n", physDev, iPixelFormat, ppfd);
1218 if (!has_opengl()) {
1219 ERR("No libGL on this box - disabling OpenGL support !\n");
1220 return 0;
1223 /* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
1224 if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &value)) {
1225 ERR("Invalid iPixelFormat: %d\n", iPixelFormat);
1226 return 0;
1229 physDev->current_pf = iPixelFormat;
1231 if (TRACE_ON(opengl)) {
1232 int nCfgs_fmt = 0;
1233 GLXFBConfig* cfgs_fmt = NULL;
1234 GLXFBConfig cur_cfg;
1235 int gl_test = 0;
1238 * How to test if hdc current drawable is compatible (visual/FBConfig) ?
1240 * in case of root window created HDCs we crash here :(
1242 Drawable drawable = get_drawable( physDev->hdc );
1243 TRACE(" drawable (%p,%p) have :\n", drawable, root_window);
1244 pglXQueryDrawable(gdi_display, drawable, GLX_FBCONFIG_ID, (unsigned int*) &value);
1245 TRACE(" - FBCONFIG_ID as 0x%x\n", tmp);
1246 pglXQueryDrawable(gdi_display, drawable, GLX_VISUAL_ID, (unsigned int*) &value);
1247 TRACE(" - VISUAL_ID as 0x%x\n", tmp);
1248 pglXQueryDrawable(gdi_display, drawable, GLX_WIDTH, (unsigned int*) &value);
1249 TRACE(" - WIDTH as %d\n", tmp);
1250 pglXQueryDrawable(gdi_display, drawable, GLX_HEIGHT, (unsigned int*) &value);
1251 TRACE(" - HEIGHT as %d\n", tmp);
1253 cfgs_fmt = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs_fmt);
1254 cur_cfg = cfgs_fmt[fmt_index];
1255 gl_test = pglXGetFBConfigAttrib(gdi_display, cur_cfg, GLX_FBCONFIG_ID, &value);
1256 if (gl_test) {
1257 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1258 } else {
1259 TRACE(" FBConfig have :\n");
1260 TRACE(" - FBCONFIG_ID 0x%x\n", value);
1261 pglXGetFBConfigAttrib(gdi_display, cur_cfg, GLX_VISUAL_ID, &value);
1262 TRACE(" - VISUAL_ID 0x%x\n", value);
1263 pglXGetFBConfigAttrib(gdi_display, cur_cfg, GLX_DRAWABLE_TYPE, &value);
1264 TRACE(" - DRAWABLE_TYPE 0x%x\n", value);
1266 XFree(cfgs_fmt);
1268 return TRUE;
1272 * X11DRV_wglCreateContext
1274 * For OpenGL32 wglCreateContext.
1276 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev)
1278 Wine_GLContext *ret;
1279 GLXFBConfig* cfgs_fmt = NULL;
1280 GLXFBConfig cur_cfg;
1281 int hdcPF = physDev->current_pf;
1282 int fmt_count = 0;
1283 int fmt_index = 0;
1284 int nCfgs_fmt = 0;
1285 int value = 0;
1286 int gl_test = 0;
1287 HDC hdc = physDev->hdc;
1289 TRACE("(%p)->(PF:%d)\n", hdc, hdcPF);
1291 if (!has_opengl()) {
1292 ERR("No libGL on this box - disabling OpenGL support !\n");
1293 return 0;
1296 /* First, get the visual in use by the X11DRV */
1297 if (!gdi_display) return 0;
1299 /* We can only render using the iPixelFormat (1) of Wine's Main visual, we need to get the corresponding GLX format.
1300 * If this fails something is very wrong on the system. */
1301 if(!ConvertPixelFormatWGLtoGLX(gdi_display, hdcPF, &fmt_index, &fmt_count)) {
1302 ERR("Cannot get FB Config for main iPixelFormat 1, expect problems!\n");
1303 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1304 return NULL;
1307 cfgs_fmt = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs_fmt);
1308 if (NULL == cfgs_fmt || 0 == nCfgs_fmt) {
1309 ERR("Cannot get FB Configs, expect problems.\n");
1310 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1311 return NULL;
1314 if (fmt_count < hdcPF) {
1315 ERR("(%p): unexpected pixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, hdcPF, fmt_count);
1316 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1317 return NULL;
1320 cur_cfg = cfgs_fmt[fmt_index];
1321 gl_test = pglXGetFBConfigAttrib(gdi_display, cur_cfg, GLX_FBCONFIG_ID, &value);
1322 if (gl_test) {
1323 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1324 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1325 return NULL;
1327 XFree(cfgs_fmt);
1329 /* The context will be allocated in the wglMakeCurrent call */
1330 wine_tsx11_lock();
1331 ret = alloc_context();
1332 wine_tsx11_unlock();
1333 ret->hdc = hdc;
1334 ret->physDev = physDev;
1335 ret->fb_conf = cur_cfg;
1336 /*ret->vis = vis;*/
1337 ret->vis = pglXGetVisualFromFBConfig(gdi_display, cur_cfg);
1339 TRACE(" creating context %p (GL context creation delayed)\n", ret);
1340 return (HGLRC) ret;
1344 * X11DRV_wglDeleteContext
1346 * For OpenGL32 wglDeleteContext.
1348 BOOL X11DRV_wglDeleteContext(HGLRC hglrc)
1350 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1351 BOOL ret = TRUE;
1353 TRACE("(%p)\n", hglrc);
1355 if (!has_opengl()) {
1356 ERR("No libGL on this box - disabling OpenGL support !\n");
1357 return 0;
1360 wine_tsx11_lock();
1361 /* A game (Half Life not to name it) deletes twice the same context,
1362 * so make sure it is valid first */
1363 if (is_valid_context( ctx ))
1365 if (ctx->ctx) pglXDestroyContext(gdi_display, ctx->ctx);
1366 free_context(ctx);
1368 else
1370 WARN("Error deleting context !\n");
1371 SetLastError(ERROR_INVALID_HANDLE);
1372 ret = FALSE;
1374 wine_tsx11_unlock();
1376 return ret;
1380 * X11DRV_wglGetCurrentReadDCARB
1382 * For OpenGL32 wglGetCurrentReadDCARB.
1384 static HDC WINAPI X11DRV_wglGetCurrentReadDCARB(void)
1386 GLXDrawable gl_d;
1387 HDC ret;
1389 TRACE("()\n");
1391 wine_tsx11_lock();
1392 gl_d = pglXGetCurrentReadDrawable();
1393 ret = get_hdc_from_Drawable(gl_d);
1394 wine_tsx11_unlock();
1396 TRACE(" returning %p (GL drawable %lu)\n", ret, gl_d);
1397 return ret;
1401 * X11DRV_wglGetProcAddress
1403 * For OpenGL32 wglGetProcAddress.
1405 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc)
1407 int i, j;
1408 const WineGLExtension *ext;
1410 int padding = 32 - strlen(lpszProc);
1411 if (padding < 0)
1412 padding = 0;
1414 if (!has_opengl()) {
1415 ERR("No libGL on this box - disabling OpenGL support !\n");
1416 return 0;
1419 /* Check the table of WGL extensions to see if we need to return a WGL extension
1420 * or a function pointer to a native OpenGL function. */
1421 if(strncmp(lpszProc, "wgl", 3) != 0) {
1422 return pglXGetProcAddressARB((const GLubyte*)lpszProc);
1423 } else {
1424 TRACE("('%s'):%*s", lpszProc, padding, " ");
1425 for (i = 0; i < WineGLExtensionListSize; ++i) {
1426 ext = WineGLExtensionList[i];
1427 for (j = 0; ext->extEntryPoints[j].funcName; ++j) {
1428 if (strcmp(ext->extEntryPoints[j].funcName, lpszProc) == 0) {
1429 TRACE("(%p) - WineGL\n", ext->extEntryPoints[j].funcAddress);
1430 return ext->extEntryPoints[j].funcAddress;
1436 ERR("(%s) - not found\n", lpszProc);
1437 return NULL;
1440 /***********************************************************************
1441 * sync_current_drawable
1443 * Adjust the current viewport and scissor in order to position
1444 * and size the current drawable correctly on the parent window.
1446 static void sync_current_drawable(BOOL updatedc)
1448 int dy;
1449 int width;
1450 int height;
1451 RECT rc;
1452 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1454 TRACE("\n");
1456 if (ctx && ctx->physDev)
1458 if (updatedc)
1459 GetClipBox(ctx->physDev->hdc, &rc); /* Make sure physDev is up to date */
1461 dy = ctx->physDev->drawable_rect.bottom - ctx->physDev->drawable_rect.top -
1462 ctx->physDev->dc_rect.bottom;
1463 width = ctx->physDev->dc_rect.right - ctx->physDev->dc_rect.left;
1464 height = ctx->physDev->dc_rect.bottom - ctx->physDev->dc_rect.top;
1466 wine_tsx11_lock();
1468 pglViewport(ctx->physDev->dc_rect.left + ctx->viewport.left,
1469 dy + ctx->viewport.top,
1470 ctx->viewport.right ? (ctx->viewport.right - ctx->viewport.left) : width,
1471 ctx->viewport.bottom ? (ctx->viewport.bottom - ctx->viewport.top) : height);
1473 pglEnable(GL_SCISSOR_TEST);
1475 if (ctx->scissor_enabled)
1476 pglScissor(ctx->physDev->dc_rect.left + min(width, max(0, ctx->scissor.left)),
1477 dy + min(height, max(0, ctx->scissor.top)),
1478 min(width, max(0, ctx->scissor.right - ctx->scissor.left)),
1479 min(height, max(0, ctx->scissor.bottom - ctx->scissor.top)));
1480 else
1481 pglScissor(ctx->physDev->dc_rect.left, dy, width, height);
1483 wine_tsx11_unlock();
1488 * X11DRV_wglMakeCurrent
1490 * For OpenGL32 wglMakeCurrent.
1492 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
1493 BOOL ret;
1494 HDC hdc = physDev->hdc;
1495 DWORD type = GetObjectType(hdc);
1497 TRACE("(%p,%p)\n", hdc, hglrc);
1499 if (!has_opengl()) {
1500 ERR("No libGL on this box - disabling OpenGL support !\n");
1501 return 0;
1504 wine_tsx11_lock();
1505 if (hglrc == NULL) {
1506 ret = pglXMakeCurrent(gdi_display, None, NULL);
1507 NtCurrentTeb()->glContext = NULL;
1508 } else {
1509 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1510 Drawable drawable = physDev->drawable;
1511 if (ctx->ctx == NULL) {
1512 /* The describe lines below are for debugging purposes only */
1513 if (TRACE_ON(wgl)) {
1514 describeDrawable(ctx, drawable);
1515 describeContext(ctx);
1518 /* Create a GLX context using the same visual as chosen earlier in wglCreateContext.
1519 * We are certain that the drawable and context are compatible as we only allow compatible formats.
1521 TRACE(" Creating GLX Context\n");
1522 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, type == OBJ_MEMDC ? False : True);
1523 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1525 TRACE(" make current for dis %p, drawable %p, ctx %p\n", gdi_display, (void*) drawable, ctx->ctx);
1526 ret = pglXMakeCurrent(gdi_display, drawable, ctx->ctx);
1527 NtCurrentTeb()->glContext = ctx;
1528 if(ret)
1530 ctx->physDev = physDev;
1532 if (type == OBJ_MEMDC)
1534 ctx->do_escape = TRUE;
1535 pglDrawBuffer(GL_FRONT_LEFT);
1537 else
1539 sync_current_drawable(FALSE);
1543 wine_tsx11_unlock();
1544 TRACE(" returning %s\n", (ret ? "True" : "False"));
1545 return ret;
1549 * X11DRV_wglMakeContextCurrentARB
1551 * For OpenGL32 wglMakeContextCurrentARB
1553 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* hDrawDev, X11DRV_PDEVICE* hReadDev, HGLRC hglrc)
1555 BOOL ret;
1556 TRACE("(%p,%p,%p)\n", hDrawDev, hReadDev, hglrc);
1558 if (!has_opengl()) {
1559 ERR("No libGL on this box - disabling OpenGL support !\n");
1560 return 0;
1563 wine_tsx11_lock();
1564 if (hglrc == NULL) {
1565 ret = pglXMakeCurrent(gdi_display, None, NULL);
1566 NtCurrentTeb()->glContext = NULL;
1567 } else {
1568 if (NULL == pglXMakeContextCurrent) {
1569 ret = FALSE;
1570 } else {
1571 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1572 Drawable d_draw = get_glxdrawable(hDrawDev);
1573 Drawable d_read = get_glxdrawable(hReadDev);
1575 if (ctx->ctx == NULL) {
1576 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, GetObjectType(hDrawDev->hdc) == OBJ_MEMDC ? False : True);
1577 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1579 ret = pglXMakeContextCurrent(gdi_display, d_draw, d_read, ctx->ctx);
1580 NtCurrentTeb()->glContext = ctx;
1583 wine_tsx11_unlock();
1585 TRACE(" returning %s\n", (ret ? "True" : "False"));
1586 return ret;
1590 * X11DRV_wglShareLists
1592 * For OpenGL32 wglShaderLists.
1594 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
1595 Wine_GLContext *org = (Wine_GLContext *) hglrc1;
1596 Wine_GLContext *dest = (Wine_GLContext *) hglrc2;
1598 TRACE("(%p, %p)\n", org, dest);
1600 if (!has_opengl()) {
1601 ERR("No libGL on this box - disabling OpenGL support !\n");
1602 return 0;
1605 if (NULL != dest && dest->ctx != NULL) {
1606 ERR("Could not share display lists, context already created !\n");
1607 return FALSE;
1608 } else {
1609 if (org->ctx == NULL) {
1610 wine_tsx11_lock();
1611 describeContext(org);
1612 org->ctx = pglXCreateContext(gdi_display, org->vis, NULL, GetObjectType(org->physDev->hdc) == OBJ_MEMDC ? False : True);
1613 wine_tsx11_unlock();
1614 TRACE(" created a delayed OpenGL context (%p) for Wine context %p\n", org->ctx, org);
1616 if (NULL != dest) {
1617 wine_tsx11_lock();
1618 describeContext(dest);
1619 /* Create the destination context with display lists shared */
1620 dest->ctx = pglXCreateContext(gdi_display, dest->vis, org->ctx, GetObjectType(org->physDev->hdc) == OBJ_MEMDC ? False : True);
1621 wine_tsx11_unlock();
1622 TRACE(" created a delayed OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest->ctx, dest, org->ctx);
1623 return TRUE;
1626 return FALSE;
1629 static BOOL internal_wglUseFontBitmaps(HDC hdc, DWORD first, DWORD count, DWORD listBase, DWORD (WINAPI *GetGlyphOutline_ptr)(HDC,UINT,UINT,LPGLYPHMETRICS,DWORD,LPVOID,const MAT2*))
1631 /* We are running using client-side rendering fonts... */
1632 GLYPHMETRICS gm;
1633 unsigned int glyph;
1634 int size = 0;
1635 void *bitmap = NULL, *gl_bitmap = NULL;
1636 int org_alignment;
1638 wine_tsx11_lock();
1639 pglGetIntegerv(GL_UNPACK_ALIGNMENT, &org_alignment);
1640 pglPixelStorei(GL_UNPACK_ALIGNMENT, 4);
1641 wine_tsx11_unlock();
1643 for (glyph = first; glyph < first + count; glyph++) {
1644 unsigned int needed_size = GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, 0, NULL, NULL);
1645 int height, width_int;
1647 TRACE("Glyph : %3d / List : %d\n", glyph, listBase);
1648 if (needed_size == GDI_ERROR) {
1649 TRACE(" - needed size : %d (GDI_ERROR)\n", needed_size);
1650 goto error;
1651 } else {
1652 TRACE(" - needed size : %d\n", needed_size);
1655 if (needed_size > size) {
1656 size = needed_size;
1657 HeapFree(GetProcessHeap(), 0, bitmap);
1658 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1659 bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1660 gl_bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1662 if (GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, size, bitmap, NULL) == GDI_ERROR) goto error;
1663 if (TRACE_ON(opengl)) {
1664 unsigned int height, width, bitmask;
1665 unsigned char *bitmap_ = (unsigned char *) bitmap;
1667 TRACE(" - bbox : %d x %d\n", gm.gmBlackBoxX, gm.gmBlackBoxY);
1668 TRACE(" - origin : (%d , %d)\n", gm.gmptGlyphOrigin.x, gm.gmptGlyphOrigin.y);
1669 TRACE(" - increment : %d - %d\n", gm.gmCellIncX, gm.gmCellIncY);
1670 if (needed_size != 0) {
1671 TRACE(" - bitmap :\n");
1672 for (height = 0; height < gm.gmBlackBoxY; height++) {
1673 TRACE(" ");
1674 for (width = 0, bitmask = 0x80; width < gm.gmBlackBoxX; width++, bitmask >>= 1) {
1675 if (bitmask == 0) {
1676 bitmap_ += 1;
1677 bitmask = 0x80;
1679 if (*bitmap_ & bitmask)
1680 TRACE("*");
1681 else
1682 TRACE(" ");
1684 bitmap_ += (4 - ((UINT_PTR)bitmap_ & 0x03));
1685 TRACE("\n");
1690 /* In OpenGL, the bitmap is drawn from the bottom to the top... So we need to invert the
1691 * glyph for it to be drawn properly.
1693 if (needed_size != 0) {
1694 width_int = (gm.gmBlackBoxX + 31) / 32;
1695 for (height = 0; height < gm.gmBlackBoxY; height++) {
1696 int width;
1697 for (width = 0; width < width_int; width++) {
1698 ((int *) gl_bitmap)[(gm.gmBlackBoxY - height - 1) * width_int + width] =
1699 ((int *) bitmap)[height * width_int + width];
1704 wine_tsx11_lock();
1705 pglNewList(listBase++, GL_COMPILE);
1706 if (needed_size != 0) {
1707 pglBitmap(gm.gmBlackBoxX, gm.gmBlackBoxY,
1708 0 - (int) gm.gmptGlyphOrigin.x, (int) gm.gmBlackBoxY - (int) gm.gmptGlyphOrigin.y,
1709 gm.gmCellIncX, gm.gmCellIncY,
1710 gl_bitmap);
1711 } else {
1712 /* This is the case of 'empty' glyphs like the space character */
1713 pglBitmap(0, 0, 0, 0, gm.gmCellIncX, gm.gmCellIncY, NULL);
1715 pglEndList();
1716 wine_tsx11_unlock();
1719 wine_tsx11_lock();
1720 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1721 wine_tsx11_unlock();
1723 HeapFree(GetProcessHeap(), 0, bitmap);
1724 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1725 return TRUE;
1727 error:
1728 wine_tsx11_lock();
1729 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1730 wine_tsx11_unlock();
1732 HeapFree(GetProcessHeap(), 0, bitmap);
1733 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1734 return FALSE;
1738 * X11DRV_wglUseFontBitmapsA
1740 * For OpenGL32 wglUseFontBitmapsA.
1742 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
1744 Font fid = physDev->font;
1746 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
1748 if (!has_opengl()) {
1749 ERR("No libGL on this box - disabling OpenGL support !\n");
1750 return 0;
1753 if (fid == 0) {
1754 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineA);
1757 wine_tsx11_lock();
1758 /* I assume that the glyphs are at the same position for X and for Windows */
1759 pglXUseXFont(fid, first, count, listBase);
1760 wine_tsx11_unlock();
1761 return TRUE;
1765 * X11DRV_wglUseFontBitmapsW
1767 * For OpenGL32 wglUseFontBitmapsW.
1769 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
1771 Font fid = physDev->font;
1773 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
1775 if (!has_opengl()) {
1776 ERR("No libGL on this box - disabling OpenGL support !\n");
1777 return 0;
1780 if (fid == 0) {
1781 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineW);
1784 WARN("Using the glX API for the WCHAR variant - some characters may come out incorrectly !\n");
1786 wine_tsx11_lock();
1787 /* I assume that the glyphs are at the same position for X and for Windows */
1788 pglXUseXFont(fid, first, count, listBase);
1789 wine_tsx11_unlock();
1790 return TRUE;
1793 static void WINAPI X11DRV_wglDisable(GLenum cap)
1795 if (cap == GL_SCISSOR_TEST)
1797 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1799 if (ctx)
1800 ctx->scissor_enabled = FALSE;
1802 else
1804 wine_tsx11_lock();
1805 pglDisable(cap);
1806 wine_tsx11_unlock();
1810 static void WINAPI X11DRV_wglEnable(GLenum cap)
1812 if (cap == GL_SCISSOR_TEST)
1814 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1816 if (ctx)
1817 ctx->scissor_enabled = TRUE;
1819 else
1821 wine_tsx11_lock();
1822 pglEnable(cap);
1823 wine_tsx11_unlock();
1827 /* WGL helper function which handles differences in glGetIntegerv from WGL and GLX */
1828 static void WINAPI X11DRV_wglGetIntegerv(GLenum pname, GLint* params)
1830 wine_tsx11_lock();
1831 switch(pname)
1833 case GL_DEPTH_BITS:
1835 GLXContext gl_ctx = pglXGetCurrentContext();
1836 Wine_GLContext* ret = get_context_from_GLXContext(gl_ctx);
1838 pglGetIntegerv(pname, params);
1840 * if we cannot find a Wine Context
1841 * we only have the default wine desktop context,
1842 * so if we have only a 24 depth say we have 32
1844 if (NULL == ret && 24 == *params) {
1845 *params = 32;
1847 TRACE("returns GL_DEPTH_BITS as '%d'\n", *params);
1848 break;
1850 case GL_ALPHA_BITS:
1852 GLXContext gl_ctx = pglXGetCurrentContext();
1853 Wine_GLContext* ret = get_context_from_GLXContext(gl_ctx);
1855 pglXGetFBConfigAttrib(gdi_display, ret->fb_conf, GLX_ALPHA_SIZE, params);
1856 TRACE("returns GL_ALPHA_BITS as '%d'\n", *params);
1857 break;
1859 default:
1860 pglGetIntegerv(pname, params);
1861 break;
1863 wine_tsx11_unlock();
1866 static GLboolean WINAPI X11DRV_wglIsEnabled(GLenum cap)
1868 GLboolean enabled = False;
1870 if (cap == GL_SCISSOR_TEST)
1872 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1874 if (ctx)
1875 enabled = ctx->scissor_enabled;
1877 else
1879 wine_tsx11_lock();
1880 enabled = pglIsEnabled(cap);
1881 wine_tsx11_unlock();
1883 return enabled;
1886 static void WINAPI X11DRV_wglScissor(GLint x, GLint y, GLsizei width, GLsizei height)
1888 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1890 if (ctx)
1892 ctx->scissor.left = x;
1893 ctx->scissor.top = y;
1894 ctx->scissor.right = x + width;
1895 ctx->scissor.bottom = y + height;
1897 sync_current_drawable(TRUE);
1901 static void WINAPI X11DRV_wglViewport(GLint x, GLint y, GLsizei width, GLsizei height)
1903 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1905 if (ctx)
1907 ctx->viewport.left = x;
1908 ctx->viewport.top = y;
1909 ctx->viewport.right = x + width;
1910 ctx->viewport.bottom = y + height;
1912 sync_current_drawable(TRUE);
1917 * X11DRV_wglGetExtensionsStringARB
1919 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
1921 static const char * WINAPI X11DRV_wglGetExtensionsStringARB(HDC hdc) {
1922 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
1923 return WineGLInfo.wglExtensions;
1927 * X11DRV_wglCreatePbufferARB
1929 * WGL_ARB_pbuffer: wglCreatePbufferARB
1931 static HPBUFFERARB WINAPI X11DRV_wglCreatePbufferARB(HDC hdc, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList)
1933 Wine_GLPBuffer* object = NULL;
1934 GLXFBConfig* cfgs = NULL;
1935 int nCfgs = 0;
1936 int attribs[256];
1937 unsigned nAttribs = 0;
1938 int fmt_index = 0;
1940 TRACE("(%p, %d, %d, %d, %p)\n", hdc, iPixelFormat, iWidth, iHeight, piAttribList);
1942 if (0 >= iPixelFormat) {
1943 ERR("(%p): unexpected iPixelFormat(%d) <= 0, returns NULL\n", hdc, iPixelFormat);
1944 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1945 return NULL; /* unexpected error */
1948 cfgs = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs);
1950 if (NULL == cfgs || 0 == nCfgs) {
1951 ERR("(%p): Cannot get FB Configs for iPixelFormat(%d), returns NULL\n", hdc, iPixelFormat);
1952 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1953 return NULL; /* unexpected error */
1956 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
1957 if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &nCfgs)) {
1958 ERR("(%p): unexpected iPixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, iPixelFormat, nCfgs);
1959 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1960 goto create_failed; /* unexpected error */
1963 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLPBuffer));
1964 if (NULL == object) {
1965 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
1966 goto create_failed; /* unexpected error */
1968 object->hdc = hdc;
1969 object->display = gdi_display;
1970 object->width = iWidth;
1971 object->height = iHeight;
1972 object->pixelFormat = iPixelFormat;
1974 nAttribs = ConvertAttribWGLtoGLX(piAttribList, attribs, object);
1975 if (-1 == nAttribs) {
1976 WARN("Cannot convert WGL to GLX attributes\n");
1977 goto create_failed;
1979 PUSH2(attribs, GLX_PBUFFER_WIDTH, iWidth);
1980 PUSH2(attribs, GLX_PBUFFER_HEIGHT, iHeight);
1981 while (0 != *piAttribList) {
1982 int attr_v;
1983 switch (*piAttribList) {
1984 case WGL_TEXTURE_FORMAT_ARB: {
1985 ++piAttribList;
1986 attr_v = *piAttribList;
1987 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v);
1988 if (use_render_texture_ati) {
1989 int type = 0;
1990 switch (attr_v) {
1991 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
1992 case WGL_TEXTURE_RGB_ARB: type = GLX_TEXTURE_RGB_ATI; break ;
1993 case WGL_TEXTURE_RGBA_ARB: type = GLX_TEXTURE_RGBA_ATI; break ;
1994 default:
1995 SetLastError(ERROR_INVALID_DATA);
1996 goto create_failed;
1998 object->use_render_texture = 1;
1999 PUSH2(attribs, GLX_TEXTURE_FORMAT_ATI, type);
2000 } else {
2001 if (WGL_NO_TEXTURE_ARB == attr_v) {
2002 object->use_render_texture = 0;
2003 } else {
2004 if (!use_render_texture_emulation) {
2005 SetLastError(ERROR_INVALID_DATA);
2006 goto create_failed;
2008 switch (attr_v) {
2009 case WGL_TEXTURE_RGB_ARB:
2010 object->use_render_texture = GL_RGB;
2011 break;
2012 case WGL_TEXTURE_RGBA_ARB:
2013 object->use_render_texture = GL_RGBA;
2014 break;
2015 default:
2016 SetLastError(ERROR_INVALID_DATA);
2017 goto create_failed;
2021 break;
2024 case WGL_TEXTURE_TARGET_ARB: {
2025 ++piAttribList;
2026 attr_v = *piAttribList;
2027 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v);
2028 if (use_render_texture_ati) {
2029 int type = 0;
2030 switch (attr_v) {
2031 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
2032 case WGL_TEXTURE_CUBE_MAP_ARB: type = GLX_TEXTURE_CUBE_MAP_ATI; break ;
2033 case WGL_TEXTURE_1D_ARB: type = GLX_TEXTURE_1D_ATI; break ;
2034 case WGL_TEXTURE_2D_ARB: type = GLX_TEXTURE_2D_ATI; break ;
2035 default:
2036 SetLastError(ERROR_INVALID_DATA);
2037 goto create_failed;
2039 PUSH2(attribs, GLX_TEXTURE_TARGET_ATI, type);
2040 } else {
2041 if (WGL_NO_TEXTURE_ARB == attr_v) {
2042 object->texture_target = 0;
2043 } else {
2044 if (!use_render_texture_emulation) {
2045 SetLastError(ERROR_INVALID_DATA);
2046 goto create_failed;
2048 switch (attr_v) {
2049 case WGL_TEXTURE_CUBE_MAP_ARB: {
2050 if (iWidth != iHeight) {
2051 SetLastError(ERROR_INVALID_DATA);
2052 goto create_failed;
2054 object->texture_target = GL_TEXTURE_CUBE_MAP;
2055 object->texture_bind_target = GL_TEXTURE_CUBE_MAP;
2056 break;
2058 case WGL_TEXTURE_1D_ARB: {
2059 if (1 != iHeight) {
2060 SetLastError(ERROR_INVALID_DATA);
2061 goto create_failed;
2063 object->texture_target = GL_TEXTURE_1D;
2064 object->texture_bind_target = GL_TEXTURE_1D;
2065 break;
2067 case WGL_TEXTURE_2D_ARB: {
2068 object->texture_target = GL_TEXTURE_2D;
2069 object->texture_bind_target = GL_TEXTURE_2D;
2070 break;
2072 default:
2073 SetLastError(ERROR_INVALID_DATA);
2074 goto create_failed;
2078 break;
2081 case WGL_MIPMAP_TEXTURE_ARB: {
2082 ++piAttribList;
2083 attr_v = *piAttribList;
2084 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v);
2085 if (use_render_texture_ati) {
2086 PUSH2(attribs, GLX_MIPMAP_TEXTURE_ATI, attr_v);
2087 } else {
2088 if (!use_render_texture_emulation) {
2089 SetLastError(ERROR_INVALID_DATA);
2090 goto create_failed;
2093 break;
2096 ++piAttribList;
2099 PUSH1(attribs, None);
2100 object->drawable = pglXCreatePbuffer(gdi_display, cfgs[fmt_index], attribs);
2101 TRACE("new Pbuffer drawable as %p\n", (void*) object->drawable);
2102 if (!object->drawable) {
2103 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
2104 goto create_failed; /* unexpected error */
2106 TRACE("->(%p)\n", object);
2108 /** free list */
2109 XFree(cfgs);
2110 return (HPBUFFERARB) object;
2112 create_failed:
2113 if (NULL != cfgs) XFree(cfgs);
2114 HeapFree(GetProcessHeap(), 0, object);
2115 TRACE("->(FAILED)\n");
2116 return (HPBUFFERARB) NULL;
2120 * X11DRV_wglDestroyPbufferARB
2122 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2124 static GLboolean WINAPI X11DRV_wglDestroyPbufferARB(HPBUFFERARB hPbuffer)
2126 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2127 TRACE("(%p)\n", hPbuffer);
2128 if (NULL == object) {
2129 SetLastError(ERROR_INVALID_HANDLE);
2130 return GL_FALSE;
2132 pglXDestroyPbuffer(object->display, object->drawable);
2133 HeapFree(GetProcessHeap(), 0, object);
2134 return GL_TRUE;
2138 * X11DRV_wglGetPbufferDCARB
2140 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2141 * The function wglGetPbufferDCARB returns a device context for a pbuffer.
2142 * Gdi32 implements the part of this function which creates a device context.
2143 * This part associates the physDev with the X drawable of the pbuffer.
2145 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *physDev, HPBUFFERARB hPbuffer)
2147 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2148 if (NULL == object) {
2149 SetLastError(ERROR_INVALID_HANDLE);
2150 return NULL;
2153 /* The function wglGetPbufferDCARB returns a DC to which the pbuffer can be connected.
2154 * All formats in our pixelformat list are compatible with each other and the main drawable. */
2155 physDev->current_pf = object->pixelFormat;
2156 physDev->drawable = object->drawable;
2158 TRACE("(%p)->(%p)\n", hPbuffer, physDev->hdc);
2159 return physDev->hdc;
2163 * X11DRV_wglQueryPbufferARB
2165 * WGL_ARB_pbuffer: wglQueryPbufferARB
2167 static GLboolean WINAPI X11DRV_wglQueryPbufferARB(HPBUFFERARB hPbuffer, int iAttribute, int *piValue)
2169 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2170 TRACE("(%p, 0x%x, %p)\n", hPbuffer, iAttribute, piValue);
2171 if (NULL == object) {
2172 SetLastError(ERROR_INVALID_HANDLE);
2173 return GL_FALSE;
2175 switch (iAttribute) {
2176 case WGL_PBUFFER_WIDTH_ARB:
2177 pglXQueryDrawable(object->display, object->drawable, GLX_WIDTH, (unsigned int*) piValue);
2178 break;
2179 case WGL_PBUFFER_HEIGHT_ARB:
2180 pglXQueryDrawable(object->display, object->drawable, GLX_HEIGHT, (unsigned int*) piValue);
2181 break;
2183 case WGL_PBUFFER_LOST_ARB:
2184 FIXME("unsupported WGL_PBUFFER_LOST_ARB (need glXSelectEvent/GLX_DAMAGED work)\n");
2185 break;
2187 case WGL_TEXTURE_FORMAT_ARB:
2188 if (use_render_texture_ati) {
2189 unsigned int tmp;
2190 int type = WGL_NO_TEXTURE_ARB;
2191 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_FORMAT_ATI, &tmp);
2192 switch (tmp) {
2193 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2194 case GLX_TEXTURE_RGB_ATI: type = WGL_TEXTURE_RGB_ARB; break ;
2195 case GLX_TEXTURE_RGBA_ATI: type = WGL_TEXTURE_RGBA_ARB; break ;
2197 *piValue = type;
2198 } else {
2199 if (!object->use_render_texture) {
2200 *piValue = WGL_NO_TEXTURE_ARB;
2201 } else {
2202 if (!use_render_texture_emulation) {
2203 SetLastError(ERROR_INVALID_HANDLE);
2204 return GL_FALSE;
2206 if (GL_RGBA == object->use_render_texture) {
2207 *piValue = WGL_TEXTURE_RGBA_ARB;
2208 } else {
2209 *piValue = WGL_TEXTURE_RGB_ARB;
2213 break;
2215 case WGL_TEXTURE_TARGET_ARB:
2216 if (use_render_texture_ati) {
2217 unsigned int tmp;
2218 int type = WGL_NO_TEXTURE_ARB;
2219 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_TARGET_ATI, &tmp);
2220 switch (tmp) {
2221 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2222 case GLX_TEXTURE_CUBE_MAP_ATI: type = WGL_TEXTURE_CUBE_MAP_ARB; break ;
2223 case GLX_TEXTURE_1D_ATI: type = WGL_TEXTURE_1D_ARB; break ;
2224 case GLX_TEXTURE_2D_ATI: type = WGL_TEXTURE_2D_ARB; break ;
2226 *piValue = type;
2227 } else {
2228 if (!object->texture_target) {
2229 *piValue = WGL_NO_TEXTURE_ARB;
2230 } else {
2231 if (!use_render_texture_emulation) {
2232 SetLastError(ERROR_INVALID_DATA);
2233 return GL_FALSE;
2235 switch (object->texture_target) {
2236 case GL_TEXTURE_1D: *piValue = WGL_TEXTURE_CUBE_MAP_ARB; break;
2237 case GL_TEXTURE_2D: *piValue = WGL_TEXTURE_1D_ARB; break;
2238 case GL_TEXTURE_CUBE_MAP: *piValue = WGL_TEXTURE_2D_ARB; break;
2242 break;
2244 case WGL_MIPMAP_TEXTURE_ARB:
2245 if (use_render_texture_ati) {
2246 pglXQueryDrawable(object->display, object->drawable, GLX_MIPMAP_TEXTURE_ATI, (unsigned int*) piValue);
2247 } else {
2248 *piValue = GL_FALSE; /** don't support that */
2249 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute);
2251 break;
2253 default:
2254 FIXME("unexpected attribute %x\n", iAttribute);
2255 break;
2258 return GL_TRUE;
2262 * X11DRV_wglReleasePbufferDCARB
2264 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2266 static int WINAPI X11DRV_wglReleasePbufferDCARB(HPBUFFERARB hPbuffer, HDC hdc)
2268 TRACE("(%p, %p)\n", hPbuffer, hdc);
2269 DeleteDC(hdc);
2270 return 0;
2274 * X11DRV_wglSetPbufferAttribARB
2276 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2278 static GLboolean WINAPI X11DRV_wglSetPbufferAttribARB(HPBUFFERARB hPbuffer, const int *piAttribList)
2280 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2281 WARN("(%p, %p): alpha-testing, report any problem\n", hPbuffer, piAttribList);
2282 if (NULL == object) {
2283 SetLastError(ERROR_INVALID_HANDLE);
2284 return GL_FALSE;
2286 if (!object->use_render_texture) {
2287 SetLastError(ERROR_INVALID_HANDLE);
2288 return GL_FALSE;
2290 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2291 return GL_TRUE;
2293 if (NULL != pglXDrawableAttribARB) {
2294 if (use_render_texture_ati) {
2295 FIXME("Need conversion for GLX_ATI_render_texture\n");
2297 return pglXDrawableAttribARB(object->display, object->drawable, piAttribList);
2299 return GL_FALSE;
2303 * X11DRV_wglChoosePixelFormatARB
2305 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2307 static GLboolean WINAPI X11DRV_wglChoosePixelFormatARB(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats)
2309 int gl_test = 0;
2310 int attribs[256];
2311 int nAttribs = 0;
2312 GLXFBConfig* cfgs = NULL;
2313 int nCfgs = 0;
2314 UINT it;
2315 int fmt_id;
2317 GLXFBConfig* cfgs_fmt = NULL;
2318 int nCfgs_fmt = 0;
2320 int fmt = 0;
2321 int pfmt_it = 0;
2323 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc, piAttribIList, pfAttribFList, nMaxFormats, piFormats, nNumFormats);
2324 if (NULL != pfAttribFList) {
2325 FIXME("unused pfAttribFList\n");
2328 nAttribs = ConvertAttribWGLtoGLX(piAttribIList, attribs, NULL);
2329 if (-1 == nAttribs) {
2330 WARN("Cannot convert WGL to GLX attributes\n");
2331 return GL_FALSE;
2333 PUSH1(attribs, None);
2335 /* Search for FB configurations matching the requirements in attribs */
2336 cfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribs, &nCfgs);
2337 if (NULL == cfgs) {
2338 WARN("Compatible Pixel Format not found\n");
2339 return GL_FALSE;
2342 /* Get a list of all FB configurations */
2343 cfgs_fmt = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs_fmt);
2344 if (NULL == cfgs_fmt) {
2345 ERR("Failed to get All FB Configs\n");
2346 XFree(cfgs);
2347 return GL_FALSE;
2350 /* Loop through all matching formats and check if they are suitable.
2351 * Note that this function should at max return nMaxFormats different formats */
2352 for (it = 0; pfmt_it < nMaxFormats && it < nCfgs; ++it) {
2353 gl_test = pglXGetFBConfigAttrib(gdi_display, cfgs[it], GLX_FBCONFIG_ID, &fmt_id);
2354 if (gl_test) {
2355 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2356 continue;
2359 /* Search for the format in our list of compatible formats */
2360 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fmt_id);
2361 if(!fmt)
2362 continue;
2364 piFormats[pfmt_it] = fmt;
2365 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d/%d)\n", it + 1, nCfgs, fmt_id, piFormats[pfmt_it], nCfgs_fmt);
2366 pfmt_it++;
2369 *nNumFormats = pfmt_it;
2370 /** free list */
2371 XFree(cfgs);
2372 XFree(cfgs_fmt);
2373 return GL_TRUE;
2377 * X11DRV_wglGetPixelFormatAttribivARB
2379 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2381 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues)
2383 UINT i;
2384 GLXFBConfig* cfgs = NULL;
2385 GLXFBConfig curCfg = NULL;
2386 int nCfgs = 0;
2387 int hTest;
2388 int tmp;
2389 int curGLXAttr = 0;
2390 int nWGLFormats = 0;
2391 int fmt_index = 0;
2393 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, piValues);
2395 if (0 < iLayerPlane) {
2396 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane);
2397 return GL_FALSE;
2400 cfgs = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs);
2401 if (NULL == cfgs) {
2402 ERR("no FB Configs found for display(%p)\n", gdi_display);
2403 return GL_FALSE;
2406 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supoprted.
2407 * We don't have to fail yet as a program can specify an invaled iPixelFormat (lets say 0) if it wants to query
2408 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2409 if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &nWGLFormats)) {
2410 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat);
2413 for (i = 0; i < nAttributes; ++i) {
2414 const int curWGLAttr = piAttributes[i];
2415 TRACE("pAttr[%d] = %x\n", i, curWGLAttr);
2417 switch (curWGLAttr) {
2418 case WGL_NUMBER_PIXEL_FORMATS_ARB:
2419 piValues[i] = nWGLFormats;
2420 continue;
2422 case WGL_SUPPORT_OPENGL_ARB:
2423 piValues[i] = GL_TRUE;
2424 continue;
2426 case WGL_ACCELERATION_ARB:
2427 curGLXAttr = GLX_CONFIG_CAVEAT;
2429 if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
2430 curCfg = cfgs[iPixelFormat - 1];
2432 hTest = pglXGetFBConfigAttrib(gdi_display, curCfg, curGLXAttr, &tmp);
2433 if (hTest) goto get_error;
2434 switch (tmp) {
2435 case GLX_NONE: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2436 case GLX_SLOW_CONFIG: piValues[i] = WGL_NO_ACCELERATION_ARB; break;
2437 case GLX_NON_CONFORMANT_CONFIG: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2438 default:
2439 ERR("unexpected Config Caveat(%x)\n", tmp);
2440 piValues[i] = WGL_NO_ACCELERATION_ARB;
2442 continue;
2444 case WGL_TRANSPARENT_ARB:
2445 curGLXAttr = GLX_TRANSPARENT_TYPE;
2446 /* Check if the format is supported by checking if iPixelFormat isn't larger than the max number of
2447 * supported WGLFormats and also check if the GLX fmt_index is valid. */
2448 if((iPixelFormat > nWGLFormats) || (fmt_index > nCfgs)) goto pix_error;
2449 curCfg = cfgs[fmt_index];
2450 hTest = pglXGetFBConfigAttrib(gdi_display, curCfg, curGLXAttr, &tmp);
2451 if (hTest) goto get_error;
2452 piValues[i] = GL_FALSE;
2453 if (GLX_NONE != tmp) piValues[i] = GL_TRUE;
2454 continue;
2456 case WGL_PIXEL_TYPE_ARB:
2457 curGLXAttr = GLX_RENDER_TYPE;
2458 /* Check if the format is supported by checking if iPixelFormat isn't larger than the max number of
2459 * supported WGLFormats and also check if the GLX fmt_index is valid. */
2460 if((iPixelFormat > nWGLFormats) || (fmt_index > nCfgs)) goto pix_error;
2461 curCfg = cfgs[fmt_index];
2462 hTest = pglXGetFBConfigAttrib(gdi_display, curCfg, curGLXAttr, &tmp);
2463 if (hTest) goto get_error;
2464 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp);
2465 if (tmp & GLX_RGBA_BIT) { piValues[i] = WGL_TYPE_RGBA_ARB; }
2466 else if (tmp & GLX_COLOR_INDEX_BIT) { piValues[i] = WGL_TYPE_COLORINDEX_ARB; }
2467 else if (tmp & GLX_RGBA_FLOAT_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2468 else if (tmp & GLX_RGBA_FLOAT_ATI_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2469 else {
2470 ERR("unexpected RenderType(%x)\n", tmp);
2471 piValues[i] = WGL_TYPE_RGBA_ARB;
2473 continue;
2475 case WGL_COLOR_BITS_ARB:
2476 /** see ConvertAttribWGLtoGLX for explain */
2477 /* Check if the format is supported by checking if iPixelFormat isn't larger than the max number of
2478 * supported WGLFormats and also check if the GLX fmt_index is valid. */
2479 if((iPixelFormat > nWGLFormats) || (fmt_index > nCfgs)) goto pix_error;
2480 curCfg = cfgs[fmt_index];
2481 hTest = pglXGetFBConfigAttrib(gdi_display, curCfg, GLX_BUFFER_SIZE, piValues + i);
2482 if (hTest) goto get_error;
2483 TRACE("WGL_COLOR_BITS_ARB: GLX_BUFFER_SIZE = %d\n", piValues[i]);
2484 hTest = pglXGetFBConfigAttrib(gdi_display, curCfg, GLX_ALPHA_SIZE, &tmp);
2485 if (hTest) goto get_error;
2486 TRACE("WGL_COLOR_BITS_ARB: GLX_ALPHA_SIZE = %d\n", tmp);
2487 piValues[i] = piValues[i] - tmp;
2488 continue;
2490 case WGL_BIND_TO_TEXTURE_RGB_ARB:
2491 if (use_render_texture_ati) {
2492 curGLXAttr = GLX_BIND_TO_TEXTURE_RGB_ATI;
2493 break;
2495 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
2496 if (use_render_texture_ati) {
2497 curGLXAttr = GLX_BIND_TO_TEXTURE_RGBA_ATI;
2498 break;
2500 if (!use_render_texture_emulation) {
2501 piValues[i] = GL_FALSE;
2502 continue;
2504 curGLXAttr = GLX_RENDER_TYPE;
2505 /* Check if the format is supported by checking if iPixelFormat isn't larger than the max number of
2506 * supported WGLFormats and also check if the GLX fmt_index is valid. */
2507 if((iPixelFormat > nWGLFormats) || (fmt_index > nCfgs)) goto pix_error;
2508 curCfg = cfgs[fmt_index];
2509 hTest = pglXGetFBConfigAttrib(gdi_display, curCfg, curGLXAttr, &tmp);
2510 if (hTest) goto get_error;
2511 if (GLX_COLOR_INDEX_BIT == tmp) {
2512 piValues[i] = GL_FALSE;
2513 continue;
2515 hTest = pglXGetFBConfigAttrib(gdi_display, curCfg, GLX_DRAWABLE_TYPE, &tmp);
2516 if (hTest) goto get_error;
2517 piValues[i] = (tmp & GLX_PBUFFER_BIT) ? GL_TRUE : GL_FALSE;
2518 continue;
2520 case WGL_BLUE_BITS_ARB:
2521 curGLXAttr = GLX_BLUE_SIZE;
2522 break;
2523 case WGL_RED_BITS_ARB:
2524 curGLXAttr = GLX_RED_SIZE;
2525 break;
2526 case WGL_GREEN_BITS_ARB:
2527 curGLXAttr = GLX_GREEN_SIZE;
2528 break;
2529 case WGL_ALPHA_BITS_ARB:
2530 curGLXAttr = GLX_ALPHA_SIZE;
2531 break;
2532 case WGL_DEPTH_BITS_ARB:
2533 curGLXAttr = GLX_DEPTH_SIZE;
2534 break;
2535 case WGL_STENCIL_BITS_ARB:
2536 curGLXAttr = GLX_STENCIL_SIZE;
2537 break;
2538 case WGL_DOUBLE_BUFFER_ARB:
2539 curGLXAttr = GLX_DOUBLEBUFFER;
2540 break;
2541 case WGL_STEREO_ARB:
2542 curGLXAttr = GLX_STEREO;
2543 break;
2544 case WGL_AUX_BUFFERS_ARB:
2545 curGLXAttr = GLX_AUX_BUFFERS;
2546 break;
2547 case WGL_SUPPORT_GDI_ARB:
2548 case WGL_DRAW_TO_WINDOW_ARB:
2549 case WGL_DRAW_TO_BITMAP_ARB:
2550 /* We only supported a limited number of formats right now which are all renderable by X 'GLX_X_RENDERABLE' */
2551 piValues[i] = GL_TRUE;
2552 continue;
2553 case WGL_DRAW_TO_PBUFFER_ARB:
2554 hTest = pglXGetFBConfigAttrib(gdi_display, curCfg, GLX_DRAWABLE_TYPE, &tmp);
2555 if (hTest) goto get_error;
2556 piValues[i] = (tmp & GLX_PBUFFER_BIT) ? GL_TRUE : GL_FALSE;
2557 continue;
2559 case WGL_PBUFFER_LARGEST_ARB:
2560 curGLXAttr = GLX_LARGEST_PBUFFER;
2561 break;
2563 case WGL_SAMPLE_BUFFERS_ARB:
2564 curGLXAttr = GLX_SAMPLE_BUFFERS_ARB;
2565 break;
2567 case WGL_SAMPLES_ARB:
2568 curGLXAttr = GLX_SAMPLES_ARB;
2569 break;
2571 default:
2572 FIXME("unsupported %x WGL Attribute\n", curWGLAttr);
2575 if (0 != curGLXAttr) {
2576 /* Check if the format is supported by checking if iPixelFormat isn't larger than the max number of
2577 * supported WGLFormats and also check if the GLX fmt_index is valid. */
2578 if((iPixelFormat > 0) && ((iPixelFormat > nWGLFormats) || (fmt_index > nCfgs))) goto pix_error;
2579 curCfg = cfgs[fmt_index];
2580 hTest = pglXGetFBConfigAttrib(gdi_display, curCfg, curGLXAttr, piValues + i);
2581 if (hTest) goto get_error;
2582 curGLXAttr = 0;
2583 } else {
2584 piValues[i] = GL_FALSE;
2587 return GL_TRUE;
2589 get_error:
2590 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc, curGLXAttr);
2591 XFree(cfgs);
2592 return GL_FALSE;
2594 pix_error:
2595 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc, iPixelFormat, nCfgs);
2596 XFree(cfgs);
2597 return GL_FALSE;
2601 * X11DRV_wglGetPixelFormatAttribfvARB
2603 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2605 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribfvARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues)
2607 int *attr;
2608 int ret;
2609 int i;
2611 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, pfValues);
2613 /* Allocate a temporary array to store integer values */
2614 attr = HeapAlloc(GetProcessHeap(), 0, nAttributes * sizeof(int));
2615 if (!attr) {
2616 ERR("couldn't allocate %d array\n", nAttributes);
2617 return GL_FALSE;
2620 /* Piggy-back on wglGetPixelFormatAttribivARB */
2621 ret = X11DRV_wglGetPixelFormatAttribivARB(hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, attr);
2622 if (ret) {
2623 /* Convert integer values to float. Should also check for attributes
2624 that can give decimal values here */
2625 for (i=0; i<nAttributes;i++) {
2626 pfValues[i] = attr[i];
2630 HeapFree(GetProcessHeap(), 0, attr);
2631 return ret;
2635 * X11DRV_wglBindTexImageARB
2637 * WGL_ARB_render_texture: wglBindTexImageARB
2639 static GLboolean WINAPI X11DRV_wglBindTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
2641 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2642 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
2643 if (NULL == object) {
2644 SetLastError(ERROR_INVALID_HANDLE);
2645 return GL_FALSE;
2647 if (!object->use_render_texture) {
2648 SetLastError(ERROR_INVALID_HANDLE);
2649 return GL_FALSE;
2651 /* Disable WGL_ARB_render_texture support until it is implemented properly
2652 * using pbuffers or FBOs */
2653 #if 0
2654 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2655 int do_init = 0;
2656 GLint prev_binded_tex;
2657 pglGetIntegerv(object->texture_target, &prev_binded_tex);
2658 if (NULL == object->render_ctx) {
2659 object->render_hdc = X11DRV_wglGetPbufferDCARB(hPbuffer);
2660 /* FIXME: This is routed through gdi32.dll to winex11.drv, replace this with GLX calls */
2661 object->render_ctx = wglCreateContext(object->render_hdc);
2662 do_init = 1;
2664 object->prev_hdc = wglGetCurrentDC();
2665 object->prev_ctx = wglGetCurrentContext();
2666 /* FIXME: This is routed through gdi32.dll to winex11.drv, replace this with GLX calls */
2667 wglMakeCurrent(object->render_hdc, object->render_ctx);
2669 if (do_init) {
2670 glBindTexture(object->texture_target, object->texture);
2671 if (GL_RGBA == object->use_render_texture) {
2672 glTexImage2D(object->texture_target, 0, GL_RGBA8, object->width, object->height, 0, GL_RGBA, GL_FLOAT, NULL);
2673 } else {
2674 glTexImage2D(object->texture_target, 0, GL_RGB8, object->width, object->height, 0, GL_RGB, GL_FLOAT, NULL);
2678 object->texture = prev_binded_tex;
2679 return GL_TRUE;
2681 #endif
2682 if (NULL != pglXBindTexImageARB) {
2683 return pglXBindTexImageARB(object->display, object->drawable, iBuffer);
2685 return GL_FALSE;
2689 * X11DRV_wglReleaseTexImageARB
2691 * WGL_ARB_render_texture: wglReleaseTexImageARB
2693 static GLboolean WINAPI X11DRV_wglReleaseTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
2695 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2696 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
2697 if (NULL == object) {
2698 SetLastError(ERROR_INVALID_HANDLE);
2699 return GL_FALSE;
2701 if (!object->use_render_texture) {
2702 SetLastError(ERROR_INVALID_HANDLE);
2703 return GL_FALSE;
2705 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2707 GLint prev_binded_tex;
2708 glGetIntegerv(object->texture_target, &prev_binded_tex);
2709 if (GL_TEXTURE_1D == object->texture_target) {
2710 glCopyTexSubImage1D(object->texture_target, object->texture_level, 0, 0, 0, object->width);
2711 } else {
2712 glCopyTexSubImage2D(object->texture_target, object->texture_level, 0, 0, 0, 0, object->width, object->height);
2714 glBindTexture(object->texture_target, prev_binded_tex);
2715 SwapBuffers(object->render_hdc);
2717 pglBindTexture(object->texture_target, object->texture);
2718 if (GL_TEXTURE_1D == object->texture_target) {
2719 pglCopyTexSubImage1D(object->texture_target, object->texture_level, 0, 0, 0, object->width);
2720 } else {
2721 pglCopyTexSubImage2D(object->texture_target, object->texture_level, 0, 0, 0, 0, object->width, object->height);
2724 /* FIXME: This is routed through gdi32.dll to winex11.drv, replace this with GLX calls */
2725 wglMakeCurrent(object->prev_hdc, object->prev_ctx);
2726 return GL_TRUE;
2728 if (NULL != pglXReleaseTexImageARB) {
2729 return pglXReleaseTexImageARB(object->display, object->drawable, iBuffer);
2731 return GL_FALSE;
2735 * X11DRV_wglGetExtensionsStringEXT
2737 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2739 static const char * WINAPI X11DRV_wglGetExtensionsStringEXT(void) {
2740 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
2741 return WineGLInfo.wglExtensions;
2745 * X11DRV_wglGetSwapIntervalEXT
2747 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
2749 static int WINAPI X11DRV_wglGetSwapIntervalEXT(VOID) {
2750 FIXME("(),stub!\n");
2751 return swap_interval;
2755 * X11DRV_wglSwapIntervalEXT
2757 * WGL_EXT_swap_control: wglSwapIntervalEXT
2759 static BOOL WINAPI X11DRV_wglSwapIntervalEXT(int interval) {
2760 TRACE("(%d)\n", interval);
2761 swap_interval = interval;
2762 if (NULL != pglXSwapIntervalSGI) {
2763 return 0 == pglXSwapIntervalSGI(interval);
2765 WARN("(): GLX_SGI_swap_control extension seems not supported\n");
2766 return TRUE;
2770 * X11DRV_wglAllocateMemoryNV
2772 * WGL_NV_vertex_array_range: wglAllocateMemoryNV
2774 static void* WINAPI X11DRV_wglAllocateMemoryNV(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority) {
2775 TRACE("(%d, %f, %f, %f)\n", size, readfreq, writefreq, priority );
2776 if (pglXAllocateMemoryNV == NULL)
2777 return NULL;
2779 return pglXAllocateMemoryNV(size, readfreq, writefreq, priority);
2783 * X11DRV_wglFreeMemoryNV
2785 * WGL_NV_vertex_array_range: wglFreeMemoryNV
2787 static void WINAPI X11DRV_wglFreeMemoryNV(GLvoid* pointer) {
2788 TRACE("(%p)\n", pointer);
2789 if (pglXFreeMemoryNV == NULL)
2790 return;
2792 pglXFreeMemoryNV(pointer);
2796 * glxRequireVersion (internal)
2798 * Check if the supported GLX version matches requiredVersion.
2800 static BOOL glxRequireVersion(int requiredVersion)
2802 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
2803 if(requiredVersion <= WineGLInfo.glxVersion[1])
2804 return TRUE;
2806 return FALSE;
2809 static BOOL glxRequireExtension(const char *requiredExtension)
2811 if (strstr(WineGLInfo.glxClientExtensions, requiredExtension) == NULL) {
2812 return FALSE;
2815 return TRUE;
2818 static BOOL register_extension(const WineGLExtension * ext)
2820 int i;
2822 assert( WineGLExtensionListSize < MAX_EXTENSIONS );
2823 WineGLExtensionList[WineGLExtensionListSize++] = ext;
2825 strcat(WineGLInfo.wglExtensions, " ");
2826 strcat(WineGLInfo.wglExtensions, ext->extName);
2828 TRACE("'%s'\n", ext->extName);
2830 for (i = 0; ext->extEntryPoints[i].funcName; ++i)
2831 TRACE(" - '%s'\n", ext->extEntryPoints[i].funcName);
2833 return TRUE;
2836 static const WineGLExtension WGL_internal_functions =
2840 { "wglDisable", X11DRV_wglDisable },
2841 { "wglEnable", X11DRV_wglEnable },
2842 { "wglGetIntegerv", X11DRV_wglGetIntegerv },
2843 { "wglIsEnabled", X11DRV_wglIsEnabled },
2844 { "wglScissor", X11DRV_wglScissor },
2845 { "wglViewport", X11DRV_wglViewport },
2850 static const WineGLExtension WGL_ARB_extensions_string =
2852 "WGL_ARB_extensions_string",
2854 { "wglGetExtensionsStringARB", X11DRV_wglGetExtensionsStringARB },
2858 static const WineGLExtension WGL_ARB_make_current_read =
2860 "WGL_ARB_make_current_read",
2862 { "wglGetCurrentReadDCARB", X11DRV_wglGetCurrentReadDCARB },
2863 { "wglMakeContextCurrentARB", X11DRV_wglMakeContextCurrentARB },
2867 static const WineGLExtension WGL_ARB_multisample =
2869 "WGL_ARB_multisample",
2872 static const WineGLExtension WGL_ARB_pbuffer =
2874 "WGL_ARB_pbuffer",
2876 { "wglCreatePbufferARB", X11DRV_wglCreatePbufferARB },
2877 { "wglDestroyPbufferARB", X11DRV_wglDestroyPbufferARB },
2878 { "wglGetPbufferDCARB", X11DRV_wglGetPbufferDCARB },
2879 { "wglQueryPbufferARB", X11DRV_wglQueryPbufferARB },
2880 { "wglReleasePbufferDCARB", X11DRV_wglReleasePbufferDCARB },
2881 { "wglSetPbufferAttribARB", X11DRV_wglSetPbufferAttribARB },
2885 static const WineGLExtension WGL_ARB_pixel_format =
2887 "WGL_ARB_pixel_format",
2889 { "wglChoosePixelFormatARB", X11DRV_wglChoosePixelFormatARB },
2890 { "wglGetPixelFormatAttribfvARB", X11DRV_wglGetPixelFormatAttribfvARB },
2891 { "wglGetPixelFormatAttribivARB", X11DRV_wglGetPixelFormatAttribivARB },
2895 static const WineGLExtension WGL_ARB_render_texture =
2897 "WGL_ARB_render_texture",
2899 { "wglBindTexImageARB", X11DRV_wglBindTexImageARB },
2900 { "wglReleaseTexImageARB", X11DRV_wglReleaseTexImageARB },
2904 static const WineGLExtension WGL_EXT_extensions_string =
2906 "WGL_EXT_extensions_string",
2908 { "wglGetExtensionsStringEXT", X11DRV_wglGetExtensionsStringEXT },
2912 static const WineGLExtension WGL_EXT_swap_control =
2914 "WGL_EXT_swap_control",
2916 { "wglSwapIntervalEXT", X11DRV_wglSwapIntervalEXT },
2917 { "wglGetSwapIntervalEXT", X11DRV_wglGetSwapIntervalEXT },
2921 static const WineGLExtension WGL_NV_vertex_array_range =
2923 "WGL_NV_vertex_array_range",
2925 { "wglAllocateMemoryNV", X11DRV_wglAllocateMemoryNV },
2926 { "wglFreeMemoryNV", X11DRV_wglFreeMemoryNV },
2931 * X11DRV_WineGL_LoadExtensions
2933 static void X11DRV_WineGL_LoadExtensions(void)
2935 WineGLInfo.wglExtensions[0] = 0;
2937 /* Load Wine internal functions */
2938 register_extension(&WGL_internal_functions);
2940 /* ARB Extensions */
2942 register_extension(&WGL_ARB_extensions_string);
2944 if (glxRequireVersion(3))
2945 register_extension(&WGL_ARB_make_current_read);
2947 if (glxRequireExtension("GLX_ARB_multisample"))
2948 register_extension(&WGL_ARB_multisample);
2950 /* In general pbuffer functionality requires support in the X-server. The functionality is
2951 * available either when the GLX_SGIX_pbuffer is present or when the GLX server version is 1.3.
2952 * All display drivers except for Nvidia's use the GLX module from Xfree86/Xorg which only
2953 * supports GLX 1.2. The endresult is that only Nvidia's drivers support pbuffers.
2955 * The only other drive which has pbuffer support is Ati's FGLRX driver. They provide clientside GLX 1.3 support
2956 * without support in the X-server (which other Mesa based drivers require).
2958 * Support pbuffers when the GLX version is 1.3 and GLX_SGIX_pbuffer is available. Further pbuffers can
2959 * also be supported when GLX_ATI_render_texture is available. This extension depends on pbuffers, so when it
2960 * is available pbuffers must be available too. */
2961 if ( (glxRequireVersion(3) && glxRequireExtension("GLX_SGIX_pbuffer")) || glxRequireExtension("GLX_ATI_render_texture"))
2962 register_extension(&WGL_ARB_pbuffer);
2964 register_extension(&WGL_ARB_pixel_format);
2966 if (glxRequireExtension("GLX_ATI_render_texture") ||
2967 glxRequireExtension("GLX_ARB_render_texture"))
2968 register_extension(&WGL_ARB_render_texture);
2970 /* EXT Extensions */
2972 register_extension(&WGL_EXT_extensions_string);
2974 if (glxRequireExtension("GLX_SGI_swap_control"))
2975 register_extension(&WGL_EXT_swap_control);
2977 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
2978 if(strstr(WineGLInfo.glExtensions, "GL_NV_vertex_array_range") != NULL)
2979 register_extension(&WGL_NV_vertex_array_range);
2983 static XID create_glxpixmap(X11DRV_PDEVICE *physDev)
2985 GLXPixmap ret;
2986 XVisualInfo *vis;
2987 XVisualInfo template;
2988 int num;
2990 wine_tsx11_lock();
2992 /* Retrieve the visualid from our main visual which is the only visual we can use */
2993 template.visualid = XVisualIDFromVisual(visual);
2994 vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
2996 ret = pglXCreateGLXPixmap(gdi_display, vis, physDev->bitmap->pixmap);
2997 XFree(vis);
2998 wine_tsx11_unlock();
2999 TRACE("return %lx\n", ret);
3000 return ret;
3003 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3005 Drawable ret;
3007 if(physDev->bitmap)
3009 if (physDev->bitmap->hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
3010 ret = physDev->drawable; /* PBuffer */
3011 else
3013 if(!physDev->bitmap->glxpixmap)
3014 physDev->bitmap->glxpixmap = create_glxpixmap(physDev);
3015 ret = physDev->bitmap->glxpixmap;
3018 else
3019 ret = physDev->drawable;
3020 return ret;
3023 BOOL destroy_glxpixmap(XID glxpixmap)
3025 wine_tsx11_lock();
3026 pglXDestroyGLXPixmap(gdi_display, glxpixmap);
3027 wine_tsx11_unlock();
3028 return TRUE;
3032 * X11DRV_SwapBuffers
3034 * Swap the buffers of this DC
3036 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev)
3038 GLXDrawable drawable;
3039 if (!has_opengl()) {
3040 ERR("No libGL on this box - disabling OpenGL support !\n");
3041 return 0;
3044 TRACE_(opengl)("(%p)\n", physDev);
3046 drawable = get_glxdrawable(physDev);
3047 wine_tsx11_lock();
3048 pglXSwapBuffers(gdi_display, drawable);
3049 wine_tsx11_unlock();
3051 /* FPS support */
3052 if (TRACE_ON(fps))
3054 static long prev_time, frames;
3056 DWORD time = GetTickCount();
3057 frames++;
3058 /* every 1.5 seconds */
3059 if (time - prev_time > 1500) {
3060 TRACE_(fps)("@ approx %.2ffps\n", 1000.0*frames/(time - prev_time));
3061 prev_time = time;
3062 frames = 0;
3066 return TRUE;
3069 /***********************************************************************
3070 * X11DRV_setup_opengl_visual
3072 * Setup the default visual used for OpenGL and Direct3D, and the desktop
3073 * window (if it exists). If OpenGL isn't available, the visual is simply
3074 * set to the default visual for the display
3076 XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
3078 XVisualInfo *visual = NULL;
3079 /* In order to support OpenGL or D3D, we require a double-buffered visual and stencil buffer support, */
3080 int dblBuf[] = {GLX_RGBA,GLX_DEPTH_SIZE, 24, GLX_STENCIL_SIZE, 8, GLX_ALPHA_SIZE, 8, GLX_DOUBLEBUFFER, None};
3081 if (!has_opengl()) return NULL;
3083 wine_tsx11_lock();
3084 visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf);
3085 wine_tsx11_unlock();
3086 if (visual == NULL) {
3087 /* fallback to 16 bits depth, no alpha */
3088 int dblBuf2[] = {GLX_RGBA,GLX_DEPTH_SIZE, 16, GLX_STENCIL_SIZE, 8, GLX_DOUBLEBUFFER, None};
3089 WARN("Failed to get a visual with at least 24 bits depth\n");
3091 wine_tsx11_lock();
3092 visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf2);
3093 wine_tsx11_unlock();
3094 if (visual == NULL) {
3095 /* fallback to no stencil */
3096 int dblBuf2[] = {GLX_RGBA,GLX_DEPTH_SIZE, 16, GLX_DOUBLEBUFFER, None};
3097 WARN("Failed to get a visual with at least 8 bits of stencil\n");
3099 wine_tsx11_lock();
3100 visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf2);
3101 wine_tsx11_unlock();
3102 if (visual == NULL) {
3103 /* This should only happen if we cannot find a match with a depth size 16 */
3104 FIXME("Failed to find a suitable visual\n");
3105 return visual;
3109 TRACE("Visual ID %lx Chosen\n",visual->visualid);
3110 return visual;
3113 #else /* no OpenGL includes */
3115 /***********************************************************************
3116 * ChoosePixelFormat (X11DRV.@)
3118 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
3119 const PIXELFORMATDESCRIPTOR *ppfd) {
3120 ERR("No OpenGL support compiled in.\n");
3122 return 0;
3125 /***********************************************************************
3126 * DescribePixelFormat (X11DRV.@)
3128 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
3129 int iPixelFormat,
3130 UINT nBytes,
3131 PIXELFORMATDESCRIPTOR *ppfd) {
3132 ERR("No OpenGL support compiled in.\n");
3134 return 0;
3137 /***********************************************************************
3138 * GetPixelFormat (X11DRV.@)
3140 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
3141 ERR("No OpenGL support compiled in.\n");
3143 return 0;
3146 /***********************************************************************
3147 * SetPixelFormat (X11DRV.@)
3149 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
3150 int iPixelFormat,
3151 const PIXELFORMATDESCRIPTOR *ppfd) {
3152 ERR("No OpenGL support compiled in.\n");
3154 return FALSE;
3157 /***********************************************************************
3158 * SwapBuffers (X11DRV.@)
3160 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev) {
3161 ERR_(opengl)("No OpenGL support compiled in.\n");
3163 return FALSE;
3167 * X11DRV_wglCreateContext
3169 * For OpenGL32 wglCreateContext.
3171 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev) {
3172 ERR_(opengl)("No OpenGL support compiled in.\n");
3173 return NULL;
3177 * X11DRV_wglDeleteContext
3179 * For OpenGL32 wglDeleteContext.
3181 BOOL X11DRV_wglDeleteContext(HGLRC hglrc) {
3182 ERR_(opengl)("No OpenGL support compiled in.\n");
3183 return FALSE;
3187 * X11DRV_wglGetProcAddress
3189 * For OpenGL32 wglGetProcAddress.
3191 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc) {
3192 ERR_(opengl)("No OpenGL support compiled in.\n");
3193 return NULL;
3196 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *hDevice, void *hPbuffer)
3198 ERR_(opengl)("No OpenGL support compiled in.\n");
3199 return NULL;
3202 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* hDrawDev, X11DRV_PDEVICE* hReadDev, HGLRC hglrc) {
3203 ERR_(opengl)("No OpenGL support compiled in.\n");
3204 return FALSE;
3208 * X11DRV_wglMakeCurrent
3210 * For OpenGL32 wglMakeCurrent.
3212 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
3213 ERR_(opengl)("No OpenGL support compiled in.\n");
3214 return FALSE;
3218 * X11DRV_wglShareLists
3220 * For OpenGL32 wglShaderLists.
3222 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
3223 ERR_(opengl)("No OpenGL support compiled in.\n");
3224 return FALSE;
3228 * X11DRV_wglUseFontBitmapsA
3230 * For OpenGL32 wglUseFontBitmapsA.
3232 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3234 ERR_(opengl)("No OpenGL support compiled in.\n");
3235 return FALSE;
3239 * X11DRV_wglUseFontBitmapsW
3241 * For OpenGL32 wglUseFontBitmapsW.
3243 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3245 ERR_(opengl)("No OpenGL support compiled in.\n");
3246 return FALSE;
3249 XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
3251 return NULL;
3254 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3256 return 0;
3259 BOOL destroy_glxpixmap(XID glxpixmap)
3261 return FALSE;
3264 #endif /* defined(HAVE_OPENGL) */