wgl: SetPixelFormat should fail on the root window.
[wine/hacks.git] / dlls / winex11.drv / opengl.c
blobb3cbeef3878abe938fe0c1559e2be489ea5db0ac
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 #ifdef SONAME_LIBGL
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_glextension {
71 const char *extName;
72 struct {
73 const char *funcName;
74 void *funcAddress;
75 } extEntryPoints[8];
76 } WineGLExtension;
78 struct WineGLInfo {
79 const char *glVersion;
80 const char *glExtensions;
82 int glxVersion[2];
84 const char *glxServerVersion;
85 const char *glxServerExtensions;
87 const char *glxClientVersion;
88 const char *glxClientExtensions;
90 const char *glxExtensions;
92 BOOL glxDirect;
93 char wglExtensions[4096];
96 typedef struct wine_glpixelformat {
97 int iPixelFormat;
98 GLXFBConfig fbconfig;
99 int fmt_id;
100 int render_type;
101 BOOL offscreenOnly;
102 } WineGLPixelFormat;
104 typedef struct wine_glcontext {
105 HDC hdc;
106 XVisualInfo *vis;
107 WineGLPixelFormat *fmt;
108 GLXContext ctx;
109 BOOL do_escape;
110 X11DRV_PDEVICE *physDev;
111 RECT viewport;
112 RECT scissor;
113 BOOL scissor_enabled;
114 struct wine_glcontext *next;
115 struct wine_glcontext *prev;
116 } Wine_GLContext;
118 typedef struct wine_glpbuffer {
119 Drawable drawable;
120 Display* display;
121 WineGLPixelFormat* fmt;
122 int width;
123 int height;
124 int* attribList;
125 HDC hdc;
127 int use_render_texture; /* This is also the internal texture format */
128 int texture_bind_target;
129 int texture_bpp;
130 GLint texture_format;
131 GLuint texture_target;
132 GLenum texture_type;
133 GLuint texture;
134 int texture_level;
135 } Wine_GLPBuffer;
137 static Wine_GLContext *context_list;
138 static struct WineGLInfo WineGLInfo = { 0 };
139 static int use_render_texture_emulation = 1;
140 static int use_render_texture_ati = 0;
141 static int swap_interval = 1;
143 #define MAX_EXTENSIONS 16
144 static const WineGLExtension *WineGLExtensionList[MAX_EXTENSIONS];
145 static int WineGLExtensionListSize;
147 static WineGLPixelFormat *WineGLPixelFormatList;
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 #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0)
202 #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0)
204 #define MAKE_FUNCPTR(f) static typeof(f) * p##f;
205 /* GLX 1.0 */
206 MAKE_FUNCPTR(glXChooseVisual)
207 MAKE_FUNCPTR(glXCreateContext)
208 MAKE_FUNCPTR(glXCreateGLXPixmap)
209 MAKE_FUNCPTR(glXGetCurrentContext)
210 MAKE_FUNCPTR(glXGetCurrentDrawable)
211 MAKE_FUNCPTR(glXDestroyContext)
212 MAKE_FUNCPTR(glXDestroyGLXPixmap)
213 MAKE_FUNCPTR(glXGetConfig)
214 MAKE_FUNCPTR(glXIsDirect)
215 MAKE_FUNCPTR(glXMakeCurrent)
216 MAKE_FUNCPTR(glXSwapBuffers)
217 MAKE_FUNCPTR(glXQueryExtension)
218 MAKE_FUNCPTR(glXQueryVersion)
219 MAKE_FUNCPTR(glXUseXFont)
221 /* GLX 1.1 */
222 MAKE_FUNCPTR(glXGetClientString)
223 MAKE_FUNCPTR(glXQueryExtensionsString)
224 MAKE_FUNCPTR(glXQueryServerString)
226 /* GLX 1.3 */
227 MAKE_FUNCPTR(glXGetFBConfigs)
228 MAKE_FUNCPTR(glXChooseFBConfig)
229 MAKE_FUNCPTR(glXCreatePbuffer)
230 MAKE_FUNCPTR(glXCreateNewContext)
231 MAKE_FUNCPTR(glXDestroyPbuffer)
232 MAKE_FUNCPTR(glXGetFBConfigAttrib)
233 MAKE_FUNCPTR(glXGetVisualFromFBConfig)
234 MAKE_FUNCPTR(glXMakeContextCurrent)
235 MAKE_FUNCPTR(glXQueryDrawable)
236 MAKE_FUNCPTR(glXGetCurrentReadDrawable)
238 /* GLX Extensions */
239 static void* (*pglXGetProcAddressARB)(const GLubyte *);
240 static BOOL (*pglXBindTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
241 static BOOL (*pglXReleaseTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
242 static BOOL (*pglXDrawableAttribARB)(Display *dpy, GLXDrawable draw, const int *attribList);
243 static int (*pglXSwapIntervalSGI)(int);
245 /* NV GLX Extension */
246 static void* (*pglXAllocateMemoryNV)(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
247 static void (*pglXFreeMemoryNV)(GLvoid *pointer);
249 /* Standard OpenGL */
250 MAKE_FUNCPTR(glBindTexture)
251 MAKE_FUNCPTR(glBitmap)
252 MAKE_FUNCPTR(glCopyTexSubImage1D)
253 MAKE_FUNCPTR(glCopyTexImage2D)
254 MAKE_FUNCPTR(glCopyTexSubImage2D)
255 MAKE_FUNCPTR(glDisable)
256 MAKE_FUNCPTR(glDrawBuffer)
257 MAKE_FUNCPTR(glEnable)
258 MAKE_FUNCPTR(glEndList)
259 MAKE_FUNCPTR(glGetError)
260 MAKE_FUNCPTR(glGetIntegerv)
261 MAKE_FUNCPTR(glGetString)
262 MAKE_FUNCPTR(glIsEnabled)
263 MAKE_FUNCPTR(glNewList)
264 MAKE_FUNCPTR(glPixelStorei)
265 MAKE_FUNCPTR(glReadPixels)
266 MAKE_FUNCPTR(glScissor)
267 MAKE_FUNCPTR(glTexImage2D)
268 MAKE_FUNCPTR(glViewport)
269 #undef MAKE_FUNCPTR
271 static BOOL X11DRV_WineGL_InitOpenglInfo(void)
273 static BOOL infoInitialized = FALSE;
275 int screen = DefaultScreen(gdi_display);
276 Window win = RootWindow(gdi_display, screen);
277 Visual *visual;
278 XVisualInfo template;
279 XVisualInfo *vis;
280 int num;
281 GLXContext ctx = NULL;
283 if (infoInitialized)
284 return TRUE;
285 infoInitialized = TRUE;
287 wine_tsx11_lock();
289 visual = DefaultVisual(gdi_display, screen);
290 template.visualid = XVisualIDFromVisual(visual);
291 vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
292 if (vis) {
293 WORD old_fs = wine_get_fs();
294 /* Create a GLX Context. Without one we can't query GL information */
295 ctx = pglXCreateContext(gdi_display, vis, None, GL_TRUE);
296 if (wine_get_fs() != old_fs)
298 wine_set_fs( old_fs );
299 wine_tsx11_unlock();
300 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
301 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
302 return FALSE;
306 if (ctx) {
307 pglXMakeCurrent(gdi_display, win, ctx);
308 } else {
309 ERR(" couldn't initialize OpenGL, expect problems\n");
310 wine_tsx11_unlock();
311 return FALSE;
314 WineGLInfo.glVersion = (const char *) pglGetString(GL_VERSION);
315 WineGLInfo.glExtensions = strdup((const char *) pglGetString(GL_EXTENSIONS));
317 /* Get the common GLX version supported by GLX client and server ( major/minor) */
318 pglXQueryVersion(gdi_display, &WineGLInfo.glxVersion[0], &WineGLInfo.glxVersion[1]);
320 WineGLInfo.glxServerVersion = pglXQueryServerString(gdi_display, screen, GLX_VERSION);
321 WineGLInfo.glxServerExtensions = pglXQueryServerString(gdi_display, screen, GLX_EXTENSIONS);
323 WineGLInfo.glxClientVersion = pglXGetClientString(gdi_display, GLX_VERSION);
324 WineGLInfo.glxClientExtensions = pglXGetClientString(gdi_display, GLX_EXTENSIONS);
326 WineGLInfo.glxExtensions = pglXQueryExtensionsString(gdi_display, screen);
327 WineGLInfo.glxDirect = pglXIsDirect(gdi_display, ctx);
329 TRACE("GL version : %s.\n", WineGLInfo.glVersion);
330 TRACE("GLX version : %d.%d.\n", WineGLInfo.glxVersion[0], WineGLInfo.glxVersion[1]);
331 TRACE("Server GLX version : %s.\n", WineGLInfo.glxServerVersion);
332 TRACE("Client GLX version : %s.\n", WineGLInfo.glxClientVersion);
333 TRACE("Direct rendering enabled: %s\n", WineGLInfo.glxDirect ? "True" : "False");
335 if(vis) XFree(vis);
336 if(ctx) {
337 pglXMakeCurrent(gdi_display, None, NULL);
338 pglXDestroyContext(gdi_display, ctx);
340 wine_tsx11_unlock();
341 return TRUE;
344 static BOOL has_opengl(void)
346 static int init_done;
347 static void *opengl_handle;
348 const char *glx_extensions;
350 int error_base, event_base;
352 if (init_done) return (opengl_handle != NULL);
353 init_done = 1;
355 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
356 and include all dependencies */
357 opengl_handle = wine_dlopen(SONAME_LIBGL, RTLD_NOW|RTLD_GLOBAL, NULL, 0);
358 if (opengl_handle == NULL) return FALSE;
360 pglXGetProcAddressARB = wine_dlsym(opengl_handle, "glXGetProcAddressARB", NULL, 0);
361 if (pglXGetProcAddressARB == NULL) {
362 ERR("could not find glXGetProcAddressARB in libGL.\n");
363 return FALSE;
366 #define LOAD_FUNCPTR(f) if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) goto sym_not_found;
367 /* GLX 1.0 */
368 LOAD_FUNCPTR(glXChooseVisual)
369 LOAD_FUNCPTR(glXCreateContext)
370 LOAD_FUNCPTR(glXCreateGLXPixmap)
371 LOAD_FUNCPTR(glXGetCurrentContext)
372 LOAD_FUNCPTR(glXGetCurrentDrawable)
373 LOAD_FUNCPTR(glXDestroyContext)
374 LOAD_FUNCPTR(glXDestroyGLXPixmap)
375 LOAD_FUNCPTR(glXGetConfig)
376 LOAD_FUNCPTR(glXIsDirect)
377 LOAD_FUNCPTR(glXMakeCurrent)
378 LOAD_FUNCPTR(glXSwapBuffers)
379 LOAD_FUNCPTR(glXQueryExtension)
380 LOAD_FUNCPTR(glXQueryVersion)
381 LOAD_FUNCPTR(glXUseXFont)
383 /* GLX 1.1 */
384 LOAD_FUNCPTR(glXGetClientString)
385 LOAD_FUNCPTR(glXQueryExtensionsString)
386 LOAD_FUNCPTR(glXQueryServerString)
388 /* GLX 1.3 */
389 LOAD_FUNCPTR(glXCreatePbuffer)
390 LOAD_FUNCPTR(glXCreateNewContext)
391 LOAD_FUNCPTR(glXDestroyPbuffer)
392 LOAD_FUNCPTR(glXMakeContextCurrent)
393 LOAD_FUNCPTR(glXGetCurrentReadDrawable)
394 LOAD_FUNCPTR(glXGetFBConfigs)
396 /* Standard OpenGL calls */
397 LOAD_FUNCPTR(glBindTexture)
398 LOAD_FUNCPTR(glBitmap)
399 LOAD_FUNCPTR(glCopyTexSubImage1D)
400 LOAD_FUNCPTR(glCopyTexImage2D)
401 LOAD_FUNCPTR(glCopyTexSubImage2D)
402 LOAD_FUNCPTR(glDisable)
403 LOAD_FUNCPTR(glDrawBuffer)
404 LOAD_FUNCPTR(glEnable)
405 LOAD_FUNCPTR(glEndList)
406 LOAD_FUNCPTR(glGetError)
407 LOAD_FUNCPTR(glGetIntegerv)
408 LOAD_FUNCPTR(glGetString)
409 LOAD_FUNCPTR(glIsEnabled)
410 LOAD_FUNCPTR(glNewList)
411 LOAD_FUNCPTR(glPixelStorei)
412 LOAD_FUNCPTR(glReadPixels)
413 LOAD_FUNCPTR(glScissor)
414 LOAD_FUNCPTR(glTexImage2D)
415 LOAD_FUNCPTR(glViewport)
416 #undef LOAD_FUNCPTR
418 /* It doesn't matter if these fail. They'll only be used if the driver reports
419 the associated extension is available (and if a driver reports the extension
420 is available but fails to provide the functions, it's quite broken) */
421 #define LOAD_FUNCPTR(f) p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f);
422 /* NV GLX Extension */
423 LOAD_FUNCPTR(glXAllocateMemoryNV)
424 LOAD_FUNCPTR(glXFreeMemoryNV)
425 #undef LOAD_FUNCPTR
427 if(!X11DRV_WineGL_InitOpenglInfo()) {
428 wine_dlclose(opengl_handle, NULL, 0);
429 opengl_handle = NULL;
430 return FALSE;
433 wine_tsx11_lock();
434 if (pglXQueryExtension(gdi_display, &error_base, &event_base) == True) {
435 TRACE("GLX is up and running error_base = %d\n", error_base);
436 } else {
437 wine_dlclose(opengl_handle, NULL, 0);
438 opengl_handle = NULL;
441 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
442 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
443 * rendering is used.
445 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
446 * depends on the reported GLX client / server version and on the client / server extension list.
447 * Those don't have to be the same.
449 * In general the server GLX information should be used in case of indirect rendering. When direct
450 * rendering is used, the OpenGL client library is responsible for which GLX calls are available.
451 * Nvidia's OpenGL drivers are the best in terms of GLX features. At the moment of writing their
452 * 8762 drivers support 1.3 for the server and 1.4 for the client and they support lots of extensions.
453 * Unfortunately it is much more complicated for Mesa/DRI-based drivers and ATI's drivers.
454 * Both sets of drivers report a server version of 1.2 and the client version can be 1.3 or 1.4.
455 * Further, in case of at least ATI's drivers, one crucial extension needed for our pixel format code
456 * is only available in the list of server extensions and not in the client list.
458 * The versioning checks below try to take into account the comments from above.
461 /* Depending on the use of direct or indirect rendering we need either the list of extensions
462 * exported by the client or by the server.
464 if(WineGLInfo.glxDirect)
465 glx_extensions = WineGLInfo.glxClientExtensions;
466 else
467 glx_extensions = WineGLInfo.glxServerExtensions;
469 /* Based on the default opengl context we decide whether direct or indirect rendering is used.
470 * In case of indirect rendering we check if the GLX version of the server is 1.2 and else
471 * the client version is checked.
473 if ((!WineGLInfo.glxDirect && !strcmp("1.2", WineGLInfo.glxServerVersion)) ||
474 (WineGLInfo.glxDirect && !strcmp("1.2", WineGLInfo.glxClientVersion)))
476 if (NULL != strstr(glx_extensions, "GLX_SGIX_fbconfig")) {
477 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfigSGIX");
478 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttribSGIX");
479 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfigSGIX");
480 } else {
481 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", WineGLInfo.glxClientVersion);
483 } else {
484 pglXChooseFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXChooseFBConfig");
485 pglXGetFBConfigAttrib = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttrib");
486 pglXGetVisualFromFBConfig = (void*)pglXGetProcAddressARB((const GLubyte *) "glXGetVisualFromFBConfig");
489 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
490 * enable this function when the Xserver understand GLX 1.3 or newer
492 if (!strcmp("1.2", WineGLInfo.glxServerVersion))
493 pglXQueryDrawable = NULL;
494 else
495 pglXQueryDrawable = wine_dlsym(RTLD_DEFAULT, "glXQueryDrawable", NULL, 0);
497 if (NULL != strstr(glx_extensions, "GLX_ATI_render_texture")) {
498 pglXBindTexImageARB = (void*)pglXGetProcAddressARB((const GLubyte *) "glXBindTexImageARB");
499 pglXReleaseTexImageARB = (void*)pglXGetProcAddressARB((const GLubyte *) "glXReleaseTexImageARB");
500 pglXDrawableAttribARB = (void*)pglXGetProcAddressARB((const GLubyte *) "glXDrawableAttribARB");
503 X11DRV_WineGL_LoadExtensions();
505 wine_tsx11_unlock();
506 return (opengl_handle != NULL);
508 sym_not_found:
509 wine_dlclose(opengl_handle, NULL, 0);
510 opengl_handle = NULL;
511 return FALSE;
514 static inline Wine_GLContext *alloc_context(void)
516 Wine_GLContext *ret;
518 if ((ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLContext))))
520 ret->next = context_list;
521 if (context_list) context_list->prev = ret;
522 context_list = ret;
524 return ret;
527 static inline void free_context(Wine_GLContext *context)
529 if (context->next != NULL) context->next->prev = context->prev;
530 if (context->prev != NULL) context->prev->next = context->next;
531 else context_list = context->next;
533 HeapFree(GetProcessHeap(), 0, context);
536 static inline Wine_GLContext *get_context_from_GLXContext(GLXContext ctx)
538 Wine_GLContext *ret;
539 if (!ctx) return NULL;
540 for (ret = context_list; ret; ret = ret->next) if (ctx == ret->ctx) break;
541 return ret;
545 * get_hdc_from_Drawable (internal)
547 * For use by wglGetCurrentReadDCARB.
549 static inline HDC get_hdc_from_Drawable(GLXDrawable d)
551 Wine_GLContext *ret;
552 for (ret = context_list; ret; ret = ret->next) {
553 if (d == ret->physDev->drawable) {
554 return ret->hdc;
557 return NULL;
560 static inline BOOL is_valid_context( Wine_GLContext *ctx )
562 Wine_GLContext *ptr;
563 for (ptr = context_list; ptr; ptr = ptr->next) if (ptr == ctx) break;
564 return (ptr != NULL);
567 static int describeContext(Wine_GLContext* ctx) {
568 int tmp;
569 int ctx_vis_id;
570 TRACE(" Context %p have (vis:%p):\n", ctx, ctx->vis);
571 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_FBCONFIG_ID, &tmp);
572 TRACE(" - FBCONFIG_ID 0x%x\n", tmp);
573 pglXGetFBConfigAttrib(gdi_display, ctx->fmt->fbconfig, GLX_VISUAL_ID, &tmp);
574 TRACE(" - VISUAL_ID 0x%x\n", tmp);
575 ctx_vis_id = tmp;
576 return ctx_vis_id;
579 static int describeDrawable(Wine_GLContext* ctx, Drawable drawable) {
580 int tmp;
581 int nElements;
582 int attribList[3] = { GLX_FBCONFIG_ID, 0, None };
583 GLXFBConfig *fbCfgs;
585 if (pglXQueryDrawable == NULL) {
586 /** glXQueryDrawable not available so returns not supported */
587 return -1;
590 TRACE(" Drawable %p have :\n", (void*) drawable);
591 pglXQueryDrawable(gdi_display, drawable, GLX_WIDTH, (unsigned int*) &tmp);
592 TRACE(" - WIDTH as %d\n", tmp);
593 pglXQueryDrawable(gdi_display, drawable, GLX_HEIGHT, (unsigned int*) &tmp);
594 TRACE(" - HEIGHT as %d\n", tmp);
595 pglXQueryDrawable(gdi_display, drawable, GLX_FBCONFIG_ID, (unsigned int*) &tmp);
596 TRACE(" - FBCONFIG_ID as 0x%x\n", tmp);
598 attribList[1] = tmp;
599 fbCfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribList, &nElements);
600 if (fbCfgs == NULL) {
601 return -1;
604 pglXGetFBConfigAttrib(gdi_display, fbCfgs[0], GLX_VISUAL_ID, &tmp);
605 TRACE(" - VISUAL_ID as 0x%x\n", tmp);
607 XFree(fbCfgs);
609 return tmp;
612 static int ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, Wine_GLPBuffer* pbuf) {
613 int nAttribs = 0;
614 unsigned cur = 0;
615 int pop;
616 int drawattrib = 0;
617 int isColor = 0;
618 int wantColorBits = 0;
619 int sz_alpha = 0;
621 /* The list of WGL attributes is allowed to be NULL, so don't return -1 (error) but just 0 */
622 if(iWGLAttr == NULL)
623 return 0;
625 while (0 != iWGLAttr[cur]) {
626 TRACE("pAttr[%d] = %x\n", cur, iWGLAttr[cur]);
628 switch (iWGLAttr[cur]) {
629 case WGL_COLOR_BITS_ARB:
630 pop = iWGLAttr[++cur];
631 wantColorBits = pop; /** see end */
632 break;
633 case WGL_BLUE_BITS_ARB:
634 pop = iWGLAttr[++cur];
635 PUSH2(oGLXAttr, GLX_BLUE_SIZE, pop);
636 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur, pop);
637 break;
638 case WGL_RED_BITS_ARB:
639 pop = iWGLAttr[++cur];
640 PUSH2(oGLXAttr, GLX_RED_SIZE, pop);
641 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur, pop);
642 break;
643 case WGL_GREEN_BITS_ARB:
644 pop = iWGLAttr[++cur];
645 PUSH2(oGLXAttr, GLX_GREEN_SIZE, pop);
646 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur, pop);
647 break;
648 case WGL_ALPHA_BITS_ARB:
649 pop = iWGLAttr[++cur];
650 sz_alpha = pop;
651 PUSH2(oGLXAttr, GLX_ALPHA_SIZE, pop);
652 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur, pop);
653 break;
654 case WGL_DEPTH_BITS_ARB:
655 pop = iWGLAttr[++cur];
656 PUSH2(oGLXAttr, GLX_DEPTH_SIZE, pop);
657 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur, pop);
658 break;
659 case WGL_STENCIL_BITS_ARB:
660 pop = iWGLAttr[++cur];
661 PUSH2(oGLXAttr, GLX_STENCIL_SIZE, pop);
662 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur, pop);
663 break;
664 case WGL_DOUBLE_BUFFER_ARB:
665 pop = iWGLAttr[++cur];
666 PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, pop);
667 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur, pop);
668 break;
670 case WGL_PIXEL_TYPE_ARB:
671 pop = iWGLAttr[++cur];
672 switch (pop) {
673 case WGL_TYPE_COLORINDEX_ARB: pop = GLX_COLOR_INDEX_BIT; isColor = 1; break ;
674 case WGL_TYPE_RGBA_ARB: pop = GLX_RGBA_BIT; break ;
675 /* This is the same as WGL_TYPE_RGBA_FLOAT_ATI but the GLX constants differ, only the ARB GLX one is widely supported so use that */
676 case WGL_TYPE_RGBA_FLOAT_ATI: pop = GLX_RGBA_FLOAT_BIT; break ;
677 default:
678 ERR("unexpected PixelType(%x)\n", pop);
679 pop = 0;
681 PUSH2(oGLXAttr, GLX_RENDER_TYPE, pop);
682 TRACE("pAttr[%d] = GLX_RENDER_TYPE: %d\n", cur, pop);
683 break;
685 case WGL_SUPPORT_GDI_ARB:
686 pop = iWGLAttr[++cur];
687 /* We only support a limited number of formats which are all renderable by X (similar to GDI).
688 * Ignore this attribute to prevent us from not finding a match due to the limited
689 * amount of formats supported right now. This option could be matched to GLX_X_RENDERABLE
690 * but the issue is that when a program asks for no GDI support, there's no format we can return
691 * as all our supported formats are renderable by X.
693 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur, pop);
694 break;
696 case WGL_DRAW_TO_BITMAP_ARB:
697 pop = iWGLAttr[++cur];
698 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur, pop);
699 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
700 if (pop) {
701 drawattrib |= GLX_PIXMAP_BIT;
703 break;
705 case WGL_DRAW_TO_WINDOW_ARB:
706 pop = iWGLAttr[++cur];
707 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur, pop);
708 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
709 if (pop) {
710 drawattrib |= GLX_WINDOW_BIT;
712 break;
714 case WGL_DRAW_TO_PBUFFER_ARB:
715 pop = iWGLAttr[++cur];
716 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur, pop);
717 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
718 if (pop) {
719 drawattrib |= GLX_PBUFFER_BIT;
721 break;
723 case WGL_ACCELERATION_ARB:
724 case WGL_SUPPORT_OPENGL_ARB:
725 pop = iWGLAttr[++cur];
726 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
727 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur, pop);
728 break;
730 case WGL_PBUFFER_LARGEST_ARB:
731 pop = iWGLAttr[++cur];
732 PUSH2(oGLXAttr, GLX_LARGEST_PBUFFER, pop);
733 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur, pop);
734 break;
736 case WGL_SAMPLE_BUFFERS_ARB:
737 pop = iWGLAttr[++cur];
738 PUSH2(oGLXAttr, GLX_SAMPLE_BUFFERS_ARB, pop);
739 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur, pop);
740 break;
742 case WGL_SAMPLES_ARB:
743 pop = iWGLAttr[++cur];
744 PUSH2(oGLXAttr, GLX_SAMPLES_ARB, pop);
745 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur, pop);
746 break;
748 case WGL_TEXTURE_FORMAT_ARB:
749 case WGL_TEXTURE_TARGET_ARB:
750 case WGL_MIPMAP_TEXTURE_ARB:
751 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr[cur], iWGLAttr[cur + 1]);
752 pop = iWGLAttr[++cur];
753 if (NULL == pbuf) {
754 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr[cur]);
756 if (use_render_texture_ati) {
757 /** nothing to do here */
759 else if (!use_render_texture_emulation) {
760 if (WGL_NO_TEXTURE_ARB != pop) {
761 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr[cur]);
762 return -1; /** error: don't support it */
763 } else {
764 PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
765 drawattrib |= GLX_PBUFFER_BIT;
768 break ;
769 case WGL_FLOAT_COMPONENTS_NV:
770 pop = iWGLAttr[++cur];
771 PUSH2(oGLXAttr, GLX_FLOAT_COMPONENTS_NV, pop);
772 TRACE("pAttr[%d] = GLX_FLOAT_COMPONENTS_NV: %x\n", cur, pop);
773 break ;
774 case WGL_BIND_TO_TEXTURE_RGB_ARB:
775 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
776 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV:
777 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV:
778 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV:
779 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV:
780 pop = iWGLAttr[++cur];
781 /** cannot be converted, see direct handling on
782 * - wglGetPixelFormatAttribivARB
783 * TODO: wglChoosePixelFormat
785 break ;
787 default:
788 FIXME("unsupported %x WGL Attribute\n", iWGLAttr[cur]);
789 break;
791 ++cur;
795 * Trick as WGL_COLOR_BITS_ARB != GLX_BUFFER_SIZE
796 * WGL_COLOR_BITS_ARB + WGL_ALPHA_BITS_ARB == GLX_BUFFER_SIZE
798 * WGL_COLOR_BITS_ARB
799 * The number of color bitplanes in each color buffer. For RGBA
800 * pixel types, it is the size of the color buffer, excluding the
801 * alpha bitplanes. For color-index pixels, it is the size of the
802 * color index buffer.
804 * GLX_BUFFER_SIZE
805 * This attribute defines the number of bits per color buffer.
806 * For GLX FBConfigs that correspond to a PseudoColor or StaticColor visual,
807 * this is equal to the depth value reported in the X11 visual.
808 * For GLX FBConfigs that correspond to TrueColor or DirectColor visual,
809 * this is the sum of GLX_RED_SIZE, GLX_GREEN_SIZE, GLX_BLUE_SIZE, and GLX_ALPHA_SIZE.
812 if (0 < wantColorBits) {
813 if (!isColor) {
814 wantColorBits += sz_alpha;
816 if (32 < wantColorBits) {
817 ERR("buggy %d GLX_BUFFER_SIZE default to 32\n", wantColorBits);
818 wantColorBits = 32;
820 PUSH2(oGLXAttr, GLX_BUFFER_SIZE, wantColorBits);
821 TRACE("pAttr[%d] = WGL_COLOR_BITS_ARB: %d\n", cur, wantColorBits);
824 /* Apply the OR'd drawable type bitmask now. */
825 if (drawattrib) {
826 PUSH2(oGLXAttr, GLX_DRAWABLE_TYPE, drawattrib);
827 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib);
830 return nAttribs;
833 static int get_render_type_from_fbconfig(Display *display, GLXFBConfig fbconfig)
835 int render_type=0, render_type_bit;
836 pglXGetFBConfigAttrib(display, fbconfig, GLX_RENDER_TYPE, &render_type_bit);
837 switch(render_type_bit)
839 case GLX_RGBA_BIT:
840 render_type = GLX_RGBA_TYPE;
841 break;
842 case GLX_COLOR_INDEX_BIT:
843 render_type = GLX_COLOR_INDEX_TYPE;
844 break;
845 case GLX_RGBA_FLOAT_BIT:
846 render_type = GLX_RGBA_FLOAT_TYPE;
847 break;
848 default:
849 ERR("Unknown render_type: %x\n", render_type);
851 return render_type;
854 static BOOL get_fbconfig_from_visualid(Display *display, Visual *visual, GLXFBConfig *fbconfig, int *fmt_id)
856 GLXFBConfig* cfgs = NULL;
857 int i;
858 int nCfgs;
859 int tmp_fmt_id;
860 int tmp_vis_id;
861 VisualID visualid;
863 if(!display || !visual) {
864 ERR("Invalid display or visual\n");
865 return FALSE;
867 visualid = XVisualIDFromVisual(visual);
869 /* Get a list of all available framebuffer configurations */
870 cfgs = pglXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
871 if (NULL == cfgs || 0 == nCfgs) {
872 ERR("glXChooseFBConfig returns NULL\n");
873 if(cfgs != NULL) XFree(cfgs);
874 return FALSE;
877 /* Find the requested offscreen format and count the number of offscreen formats */
878 for(i=0; i<nCfgs; i++) {
879 pglXGetFBConfigAttrib(display, cfgs[i], GLX_VISUAL_ID, &tmp_vis_id);
880 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &tmp_fmt_id);
882 /* We are looking up the GLX index of our main visual and have found it :) */
883 if(visualid == tmp_vis_id) {
884 TRACE("Found FBCONFIG_ID 0x%x at index %d for VISUAL_ID 0x%x\n", tmp_fmt_id, i, tmp_vis_id);
885 *fbconfig = cfgs[i];
886 *fmt_id = tmp_fmt_id;
887 XFree(cfgs);
888 return TRUE;
892 ERR("No fbconfig found for Wine's main visual (0x%lx), expect problems!\n", visualid);
893 XFree(cfgs);
894 return FALSE;
897 static BOOL init_formats(Display *display, int screen, Visual *visual)
899 int fmt_id, tmp_vis_id, tmp_fmt_id, nCfgs, i;
900 GLXFBConfig* cfgs;
901 GLXFBConfig fbconfig;
902 int nOffscreenFormats = 0;
904 /* Locate the fbconfig correspondig to our main visual */
905 if(!get_fbconfig_from_visualid(display, visual, &fbconfig, &fmt_id)) {
906 ERR("Can't get the FBCONFIG_ID for the main visual, expect problems!\n");
907 return FALSE;
910 /* As mentioned in various parts of the code only the format of the main visual can be used for onscreen rendering.
911 * Next to this format there are also so called offscreen rendering formats (used for pbuffers) which can be supported
912 * because they don't need a visual. Below we use glXGetFBConfigs instead of glXChooseFBConfig to enumerate the fb configurations
913 * because this call lists both types of formats instead of only onscreen ones. */
914 cfgs = pglXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
915 if (NULL == cfgs || 0 == nCfgs) {
916 WARN("glXChooseFBConfig returns NULL\n");
917 if(cfgs != NULL) XFree(cfgs);
919 /* We only have the single format of Wine's main visual */
920 WineGLPixelFormatList = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WineGLPixelFormat));
921 WineGLPixelFormatList[0].iPixelFormat = 1;
922 WineGLPixelFormatList[0].fbconfig = fbconfig;
923 WineGLPixelFormatList[0].fmt_id = fmt_id;
924 WineGLPixelFormatList[0].render_type = get_render_type_from_fbconfig(display, fbconfig);
925 WineGLPixelFormatList[0].offscreenOnly = FALSE;
926 WineGLPixelFormatListSize = 1;
928 else {
929 /* Count the number of offscreen formats to determine the size for our pixelformat list */
930 for(i=0; i<nCfgs; i++) {
931 pglXGetFBConfigAttrib(display, cfgs[i], GLX_VISUAL_ID, &tmp_vis_id);
933 /* We have found an offscreen rendering format :) */
934 if(tmp_vis_id == 0) {
935 nOffscreenFormats++;
938 TRACE("Number of offscreen formats: %d\n", nOffscreenFormats);
940 /* Allocate memory for all the offscreen pixelformats and the format of Wine's main visual */
941 WineGLPixelFormatList = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (1+nOffscreenFormats)*sizeof(WineGLPixelFormat));
942 WineGLPixelFormatList[0].iPixelFormat = 1;
943 WineGLPixelFormatList[0].fbconfig = fbconfig;
944 WineGLPixelFormatList[0].fmt_id = fmt_id;
945 WineGLPixelFormatList[0].render_type = get_render_type_from_fbconfig(display, fbconfig);
946 WineGLPixelFormatList[0].offscreenOnly = FALSE;
947 WineGLPixelFormatListSize = 1;
949 /* Fill the list with offscreen formats */
950 for(i=0; i<nCfgs; i++) {
951 pglXGetFBConfigAttrib(display, cfgs[i], GLX_VISUAL_ID, &tmp_vis_id);
952 pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &tmp_fmt_id);
954 /* We have found an offscreen rendering format :) */
955 if(tmp_vis_id == 0) {
956 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", tmp_fmt_id, WineGLPixelFormatListSize+1, i);
957 WineGLPixelFormatList[WineGLPixelFormatListSize].iPixelFormat = WineGLPixelFormatListSize+1; /* The index starts at 1 */
958 WineGLPixelFormatList[WineGLPixelFormatListSize].fbconfig = cfgs[i];
959 WineGLPixelFormatList[WineGLPixelFormatListSize].fmt_id = tmp_fmt_id;
960 WineGLPixelFormatList[WineGLPixelFormatListSize].render_type = get_render_type_from_fbconfig(display, cfgs[i]);
961 WineGLPixelFormatList[WineGLPixelFormatListSize].offscreenOnly = TRUE;
962 WineGLPixelFormatListSize++;
967 if(cfgs != NULL) XFree(cfgs);
969 return TRUE;
972 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
973 * In our WGL implementation we only support a subset of these formats namely the format of
974 * Wine's main visual and offscreen formats (if they are available).
975 * This function converts a WGL format to its corresponding GLX one. It returns a WineGLPixelFormat
976 * and it returns the number of supported WGL formats in fmt_count.
978 static WineGLPixelFormat* ConvertPixelFormatWGLtoGLX(Display *display, int iPixelFormat, BOOL AllowOffscreen, int *fmt_count)
980 WineGLPixelFormat *res = NULL;
982 /* Init the list of pixel formats when we need it */
983 if(!WineGLPixelFormatListSize)
984 init_formats(display, DefaultScreen(display), visual);
986 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
987 * iPixelFormat in case of probing the number of pixelformats.
989 if((iPixelFormat <= 0) || (iPixelFormat > WineGLPixelFormatListSize)) {
990 if(AllowOffscreen)
991 *fmt_count = WineGLPixelFormatListSize;
992 else
993 *fmt_count = 1; /* Only show the format of our main visual */
995 else if(iPixelFormat == 1) {
996 res = &WineGLPixelFormatList[0];
997 *fmt_count = 1; /* Only show the format of our main visual */
999 else if((WineGLPixelFormatList[iPixelFormat-1].offscreenOnly == TRUE) && AllowOffscreen) {
1000 res = &WineGLPixelFormatList[iPixelFormat-1];
1001 *fmt_count = WineGLPixelFormatListSize;
1002 TRACE("Returning FBConfig=%p for iPixelFormat=%d\n", res->fbconfig, iPixelFormat);
1005 TRACE("Number of returned pixelformats=%d\n", *fmt_count);
1007 return res;
1010 /* Search our internal pixelformat list for the WGL format corresponding to the given fbconfig */
1011 static int ConvertPixelFormatGLXtoWGL(Display *display, int fmt_id)
1013 int i;
1015 /* Init the list of pixel formats when we need it */
1016 if(!WineGLPixelFormatListSize)
1017 init_formats(display, DefaultScreen(display), visual);
1019 for(i=0; i<WineGLPixelFormatListSize; i++) {
1020 if(WineGLPixelFormatList[i].fmt_id == fmt_id) {
1021 TRACE("Returning iPixelFormat %d for fmt_id 0x%x\n", WineGLPixelFormatList[i].iPixelFormat, fmt_id);
1022 return WineGLPixelFormatList[i].iPixelFormat;
1025 TRACE("No compatible format found for fmt_id 0x%x\n", fmt_id);
1026 return 0;
1030 * X11DRV_ChoosePixelFormat
1032 * Equivalent to glXChooseVisual.
1034 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
1035 const PIXELFORMATDESCRIPTOR *ppfd) {
1036 WineGLPixelFormat *fmt;
1037 int ret = 0;
1038 int value = 0;
1040 if (!has_opengl()) {
1041 ERR("No libGL on this box - disabling OpenGL support !\n");
1042 return 0;
1045 if (TRACE_ON(opengl)) {
1046 TRACE("(%p,%p)\n", physDev, ppfd);
1048 dump_PIXELFORMATDESCRIPTOR((const PIXELFORMATDESCRIPTOR *) ppfd);
1051 wine_tsx11_lock();
1052 if(!visual) {
1053 ERR("Can't get an opengl visual!\n");
1054 goto choose_exit;
1057 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, 1 /* main visual */, FALSE /* offscreen */, &value);
1058 /* In case an fbconfig was found, check if it matches to the requirements of the ppfd */
1059 if(!fmt) {
1060 ERR("Can't find a matching FBCONFIG_ID for VISUAL_ID 0x%lx!\n", visual->visualid);
1061 } else {
1062 int dwFlags = 0;
1063 int iPixelType = 0;
1064 int value = 0;
1066 /* Pixel type */
1067 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RENDER_TYPE, &value);
1068 if (value & GLX_RGBA_BIT)
1069 iPixelType = PFD_TYPE_RGBA;
1070 else
1071 iPixelType = PFD_TYPE_COLORINDEX;
1073 if (ppfd->iPixelType != iPixelType) {
1074 TRACE("pixel type mismatch\n");
1075 goto choose_exit;
1078 /* Doublebuffer */
1079 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &value); if (value) dwFlags |= PFD_DOUBLEBUFFER;
1080 if (!(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && (ppfd->dwFlags & PFD_DOUBLEBUFFER)) {
1081 if (!(dwFlags & PFD_DOUBLEBUFFER)) {
1082 TRACE("dbl buffer mismatch\n");
1083 goto choose_exit;
1087 /* Stereo */
1088 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STEREO, &value); if (value) dwFlags |= PFD_STEREO;
1089 if (!(ppfd->dwFlags & PFD_STEREO_DONTCARE) && (ppfd->dwFlags & PFD_STEREO)) {
1090 if (!(dwFlags & PFD_STEREO)) {
1091 TRACE("stereo mismatch\n");
1092 goto choose_exit;
1096 /* Alpha bits */
1097 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &value);
1098 if (ppfd->iPixelType==PFD_TYPE_RGBA && ppfd->cAlphaBits && !value) {
1099 TRACE("alpha mismatch\n");
1100 goto choose_exit;
1103 /* Depth bits */
1104 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DEPTH_SIZE, &value);
1105 if (ppfd->cDepthBits && !value) {
1106 TRACE("depth mismatch\n");
1107 goto choose_exit;
1110 /* Stencil bits */
1111 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STENCIL_SIZE, &value);
1112 if (ppfd->cStencilBits && !value) {
1113 TRACE("stencil mismatch\n");
1114 goto choose_exit;
1117 /* Aux buffers */
1118 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_AUX_BUFFERS, &value);
1119 if (ppfd->cAuxBuffers && !value) {
1120 TRACE("aux mismatch\n");
1121 goto choose_exit;
1124 /* When we pass all the checks we have found a matching format :) */
1125 ret = 1;
1126 TRACE("Successfully found a matching mode, returning index: %d\n", ret);
1129 choose_exit:
1130 if(!ret)
1131 TRACE("No matching mode was found returning 0\n");
1133 wine_tsx11_unlock();
1134 return ret;
1138 * X11DRV_DescribePixelFormat
1140 * Get the pixel-format descriptor associated to the given id
1142 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
1143 int iPixelFormat,
1144 UINT nBytes,
1145 PIXELFORMATDESCRIPTOR *ppfd) {
1146 /*XVisualInfo *vis;*/
1147 int value;
1148 int rb,gb,bb,ab;
1149 WineGLPixelFormat *fmt;
1150 int ret = 0;
1151 int fmt_count = 0;
1153 if (!has_opengl()) {
1154 ERR("No libGL on this box - disabling OpenGL support !\n");
1155 return 0;
1158 TRACE("(%p,%d,%d,%p)\n", physDev, iPixelFormat, nBytes, ppfd);
1160 /* 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 */
1161 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &fmt_count);
1162 if (ppfd == NULL) {
1163 /* The application is only querying the number of pixelformats */
1164 return fmt_count;
1165 } else if(fmt == NULL) {
1166 WARN("unexpected iPixelFormat(%d): not >=1 and <=nFormats(%d), returning NULL!\n", iPixelFormat, fmt_count);
1167 return 0;
1170 if (nBytes < sizeof(PIXELFORMATDESCRIPTOR)) {
1171 ERR("Wrong structure size !\n");
1172 /* Should set error */
1173 return 0;
1176 ret = fmt_count;
1178 memset(ppfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
1179 ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
1180 ppfd->nVersion = 1;
1182 /* These flags are always the same... */
1183 ppfd->dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
1184 /* Now the flags extracted from the Visual */
1186 wine_tsx11_lock();
1188 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_CONFIG_CAVEAT, &value);
1189 if(value == GLX_SLOW_CONFIG)
1190 ppfd->dwFlags |= PFD_GENERIC_ACCELERATED;
1192 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DOUBLEBUFFER, &value); if (value) ppfd->dwFlags |= PFD_DOUBLEBUFFER;
1193 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STEREO, &value); if (value) ppfd->dwFlags |= PFD_STEREO;
1195 /* Pixel type */
1196 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RENDER_TYPE, &value);
1197 if (value & GLX_RGBA_BIT)
1198 ppfd->iPixelType = PFD_TYPE_RGBA;
1199 else
1200 ppfd->iPixelType = PFD_TYPE_COLORINDEX;
1202 /* Color bits */
1203 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BUFFER_SIZE, &value);
1204 ppfd->cColorBits = value;
1206 /* Red, green, blue and alpha bits / shifts */
1207 if (ppfd->iPixelType == PFD_TYPE_RGBA) {
1208 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_RED_SIZE, &rb);
1209 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_GREEN_SIZE, &gb);
1210 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BLUE_SIZE, &bb);
1211 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &ab);
1213 ppfd->cRedBits = rb;
1214 ppfd->cRedShift = gb + bb + ab;
1215 ppfd->cBlueBits = bb;
1216 ppfd->cBlueShift = ab;
1217 ppfd->cGreenBits = gb;
1218 ppfd->cGreenShift = bb + ab;
1219 ppfd->cAlphaBits = ab;
1220 ppfd->cAlphaShift = 0;
1221 } else {
1222 ppfd->cRedBits = 0;
1223 ppfd->cRedShift = 0;
1224 ppfd->cBlueBits = 0;
1225 ppfd->cBlueShift = 0;
1226 ppfd->cGreenBits = 0;
1227 ppfd->cGreenShift = 0;
1228 ppfd->cAlphaBits = 0;
1229 ppfd->cAlphaShift = 0;
1231 /* Accums : to do ... */
1233 /* Depth bits */
1234 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DEPTH_SIZE, &value);
1235 ppfd->cDepthBits = value;
1237 /* stencil bits */
1238 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_STENCIL_SIZE, &value);
1239 ppfd->cStencilBits = value;
1241 wine_tsx11_unlock();
1243 /* Aux : to do ... */
1245 ppfd->iLayerType = PFD_MAIN_PLANE;
1247 if (TRACE_ON(opengl)) {
1248 dump_PIXELFORMATDESCRIPTOR(ppfd);
1251 return ret;
1255 * X11DRV_GetPixelFormat
1257 * Get the pixel-format id used by this DC
1259 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
1260 WineGLPixelFormat *fmt;
1261 int tmp;
1262 TRACE("(%p)\n", physDev);
1264 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, physDev->current_pf, TRUE, &tmp);
1265 if(!fmt)
1267 /* This happens on HDCs on which SetPixelFormat wasn't called yet */
1268 ERR("Unable to find a WineGLPixelFormat for iPixelFormat=%d\n", physDev->current_pf);
1269 return 0;
1271 else if(fmt->offscreenOnly)
1273 /* Offscreen formats can't be used with traditional WGL calls.
1274 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1275 TRACE("Returning iPixelFormat=1 for offscreen format: %d\n", fmt->iPixelFormat);
1276 return 1;
1279 return physDev->current_pf;
1280 TRACE("(%p): returns %d\n", physDev, physDev->current_pf);
1284 * X11DRV_SetPixelFormat
1286 * Set the pixel-format id used by this DC
1288 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
1289 int iPixelFormat,
1290 const PIXELFORMATDESCRIPTOR *ppfd) {
1291 WineGLPixelFormat *fmt;
1292 int value;
1294 TRACE("(%p,%d,%p)\n", physDev, iPixelFormat, ppfd);
1296 if (!has_opengl()) {
1297 ERR("No libGL on this box - disabling OpenGL support !\n");
1298 return 0;
1301 /* SetPixelFormat is not allowed on the X root_window e.g. GetDC(0) */
1302 if(get_glxdrawable(physDev) == root_window)
1304 ERR("Invalid operation on root_window\n");
1305 return 0;
1308 /* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
1309 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &value);
1310 if(!fmt) {
1311 ERR("Invalid iPixelFormat: %d\n", iPixelFormat);
1312 return 0;
1315 physDev->current_pf = iPixelFormat;
1317 if (TRACE_ON(opengl)) {
1318 int gl_test = 0;
1321 * How to test if hdc current drawable is compatible (visual/FBConfig) ?
1323 * in case of root window created HDCs we crash here :(
1325 Drawable drawable = get_drawable( physDev->hdc );
1326 TRACE(" drawable (%p,%p) have :\n", drawable, root_window);
1327 pglXQueryDrawable(gdi_display, drawable, GLX_FBCONFIG_ID, (unsigned int*) &value);
1328 TRACE(" - FBCONFIG_ID as 0x%x\n", tmp);
1329 pglXQueryDrawable(gdi_display, drawable, GLX_VISUAL_ID, (unsigned int*) &value);
1330 TRACE(" - VISUAL_ID as 0x%x\n", tmp);
1331 pglXQueryDrawable(gdi_display, drawable, GLX_WIDTH, (unsigned int*) &value);
1332 TRACE(" - WIDTH as %d\n", tmp);
1333 pglXQueryDrawable(gdi_display, drawable, GLX_HEIGHT, (unsigned int*) &value);
1334 TRACE(" - HEIGHT as %d\n", tmp);
1336 gl_test = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_FBCONFIG_ID, &value);
1337 if (gl_test) {
1338 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1339 } else {
1340 TRACE(" FBConfig have :\n");
1341 TRACE(" - FBCONFIG_ID 0x%x\n", value);
1342 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_VISUAL_ID, &value);
1343 TRACE(" - VISUAL_ID 0x%x\n", value);
1344 pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
1345 TRACE(" - DRAWABLE_TYPE 0x%x\n", value);
1348 return TRUE;
1352 * X11DRV_wglCreateContext
1354 * For OpenGL32 wglCreateContext.
1356 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev)
1358 Wine_GLContext *ret;
1359 WineGLPixelFormat *fmt;
1360 int hdcPF = physDev->current_pf;
1361 int fmt_count = 0;
1362 int value = 0;
1363 int gl_test = 0;
1364 HDC hdc = physDev->hdc;
1366 TRACE("(%p)->(PF:%d)\n", hdc, hdcPF);
1368 if (!has_opengl()) {
1369 ERR("No libGL on this box - disabling OpenGL support !\n");
1370 return 0;
1373 /* First, get the visual in use by the X11DRV */
1374 if (!gdi_display) return 0;
1376 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, hdcPF, TRUE /* Offscreen */, &fmt_count);
1377 /* We can render using the iPixelFormat (1) of Wine's Main visual AND using some offscreen formats.
1378 * Note that standard WGL-calls don't recognize offscreen-only formats. For that reason pbuffers
1379 * use a sort of 'proxy' HDC (wglGetPbufferDCARB).
1380 * If this fails something is very wrong on the system. */
1381 if(!fmt) {
1382 ERR("Cannot get FB Config for iPixelFormat %d, expect problems!\n", hdcPF);
1383 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1384 return NULL;
1387 if (fmt_count < hdcPF) {
1388 ERR("(%p): unexpected pixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, hdcPF, fmt_count);
1389 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1390 return NULL;
1393 gl_test = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_FBCONFIG_ID, &value);
1394 if (gl_test) {
1395 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1396 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
1397 return NULL;
1400 /* The context will be allocated in the wglMakeCurrent call */
1401 wine_tsx11_lock();
1402 ret = alloc_context();
1403 wine_tsx11_unlock();
1404 ret->hdc = hdc;
1405 ret->physDev = physDev;
1406 ret->fmt = fmt;
1408 /*ret->vis = vis;*/
1409 ret->vis = pglXGetVisualFromFBConfig(gdi_display, fmt->fbconfig);
1411 TRACE(" creating context %p (GL context creation delayed)\n", ret);
1412 return (HGLRC) ret;
1416 * X11DRV_wglDeleteContext
1418 * For OpenGL32 wglDeleteContext.
1420 BOOL X11DRV_wglDeleteContext(HGLRC hglrc)
1422 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1423 BOOL ret = TRUE;
1425 TRACE("(%p)\n", hglrc);
1427 if (!has_opengl()) {
1428 ERR("No libGL on this box - disabling OpenGL support !\n");
1429 return 0;
1432 wine_tsx11_lock();
1433 /* A game (Half Life not to name it) deletes twice the same context,
1434 * so make sure it is valid first */
1435 if (is_valid_context( ctx ))
1437 if (ctx->ctx) pglXDestroyContext(gdi_display, ctx->ctx);
1438 free_context(ctx);
1440 else
1442 WARN("Error deleting context !\n");
1443 SetLastError(ERROR_INVALID_HANDLE);
1444 ret = FALSE;
1446 wine_tsx11_unlock();
1448 return ret;
1452 * X11DRV_wglGetCurrentReadDCARB
1454 * For OpenGL32 wglGetCurrentReadDCARB.
1456 static HDC WINAPI X11DRV_wglGetCurrentReadDCARB(void)
1458 GLXDrawable gl_d;
1459 HDC ret;
1461 TRACE("()\n");
1463 wine_tsx11_lock();
1464 gl_d = pglXGetCurrentReadDrawable();
1465 ret = get_hdc_from_Drawable(gl_d);
1466 wine_tsx11_unlock();
1468 TRACE(" returning %p (GL drawable %lu)\n", ret, gl_d);
1469 return ret;
1473 * X11DRV_wglGetProcAddress
1475 * For OpenGL32 wglGetProcAddress.
1477 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc)
1479 int i, j;
1480 const WineGLExtension *ext;
1482 int padding = 32 - strlen(lpszProc);
1483 if (padding < 0)
1484 padding = 0;
1486 if (!has_opengl()) {
1487 ERR("No libGL on this box - disabling OpenGL support !\n");
1488 return 0;
1491 /* Check the table of WGL extensions to see if we need to return a WGL extension
1492 * or a function pointer to a native OpenGL function. */
1493 if(strncmp(lpszProc, "wgl", 3) != 0) {
1494 return pglXGetProcAddressARB((const GLubyte*)lpszProc);
1495 } else {
1496 TRACE("('%s'):%*s", lpszProc, padding, " ");
1497 for (i = 0; i < WineGLExtensionListSize; ++i) {
1498 ext = WineGLExtensionList[i];
1499 for (j = 0; ext->extEntryPoints[j].funcName; ++j) {
1500 if (strcmp(ext->extEntryPoints[j].funcName, lpszProc) == 0) {
1501 TRACE("(%p) - WineGL\n", ext->extEntryPoints[j].funcAddress);
1502 return ext->extEntryPoints[j].funcAddress;
1508 ERR("(%s) - not found\n", lpszProc);
1509 return NULL;
1512 /***********************************************************************
1513 * sync_current_drawable
1515 * Adjust the current viewport and scissor in order to position
1516 * and size the current drawable correctly on the parent window.
1518 static void sync_current_drawable(BOOL updatedc)
1520 int dy;
1521 int width;
1522 int height;
1523 RECT rc;
1524 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1526 TRACE("\n");
1528 if (ctx && ctx->physDev)
1530 if (updatedc)
1531 GetClipBox(ctx->physDev->hdc, &rc); /* Make sure physDev is up to date */
1533 dy = ctx->physDev->drawable_rect.bottom - ctx->physDev->drawable_rect.top -
1534 ctx->physDev->dc_rect.bottom;
1535 width = ctx->physDev->dc_rect.right - ctx->physDev->dc_rect.left;
1536 height = ctx->physDev->dc_rect.bottom - ctx->physDev->dc_rect.top;
1538 wine_tsx11_lock();
1540 pglViewport(ctx->physDev->dc_rect.left + ctx->viewport.left,
1541 dy + ctx->viewport.top,
1542 ctx->viewport.right ? (ctx->viewport.right - ctx->viewport.left) : width,
1543 ctx->viewport.bottom ? (ctx->viewport.bottom - ctx->viewport.top) : height);
1545 pglEnable(GL_SCISSOR_TEST);
1547 if (ctx->scissor_enabled)
1548 pglScissor(ctx->physDev->dc_rect.left + min(width, max(0, ctx->scissor.left)),
1549 dy + min(height, max(0, ctx->scissor.top)),
1550 min(width, max(0, ctx->scissor.right - ctx->scissor.left)),
1551 min(height, max(0, ctx->scissor.bottom - ctx->scissor.top)));
1552 else
1553 pglScissor(ctx->physDev->dc_rect.left, dy, width, height);
1555 wine_tsx11_unlock();
1560 * X11DRV_wglMakeCurrent
1562 * For OpenGL32 wglMakeCurrent.
1564 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
1565 BOOL ret;
1566 HDC hdc = physDev->hdc;
1567 DWORD type = GetObjectType(hdc);
1569 TRACE("(%p,%p)\n", hdc, hglrc);
1571 if (!has_opengl()) {
1572 ERR("No libGL on this box - disabling OpenGL support !\n");
1573 return 0;
1576 wine_tsx11_lock();
1577 if (hglrc == NULL) {
1578 ret = pglXMakeCurrent(gdi_display, None, NULL);
1579 NtCurrentTeb()->glContext = NULL;
1580 } else {
1581 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1582 Drawable drawable = get_glxdrawable(physDev);
1583 if (ctx->ctx == NULL) {
1584 /* The describe lines below are for debugging purposes only */
1585 if (TRACE_ON(wgl)) {
1586 describeDrawable(ctx, drawable);
1587 describeContext(ctx);
1590 /* Create a GLX context using the same visual as chosen earlier in wglCreateContext.
1591 * We are certain that the drawable and context are compatible as we only allow compatible formats.
1593 TRACE(" Creating GLX Context\n");
1594 if(ctx->vis)
1595 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, type == OBJ_MEMDC ? False : True);
1596 else /* Create a GLX Context for a pbuffer */
1597 ctx->ctx = pglXCreateNewContext(gdi_display, ctx->fmt->fbconfig, ctx->fmt->render_type, NULL, True);
1599 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1601 TRACE(" make current for dis %p, drawable %p, ctx %p\n", gdi_display, (void*) drawable, ctx->ctx);
1602 ret = pglXMakeCurrent(gdi_display, drawable, ctx->ctx);
1603 NtCurrentTeb()->glContext = ctx;
1604 if(ret)
1606 ctx->physDev = physDev;
1608 if (type == OBJ_MEMDC)
1610 ctx->do_escape = TRUE;
1611 pglDrawBuffer(GL_FRONT_LEFT);
1613 else
1615 sync_current_drawable(FALSE);
1619 wine_tsx11_unlock();
1620 TRACE(" returning %s\n", (ret ? "True" : "False"));
1621 return ret;
1625 * X11DRV_wglMakeContextCurrentARB
1627 * For OpenGL32 wglMakeContextCurrentARB
1629 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* hDrawDev, X11DRV_PDEVICE* hReadDev, HGLRC hglrc)
1631 BOOL ret;
1632 TRACE("(%p,%p,%p)\n", hDrawDev, hReadDev, hglrc);
1634 if (!has_opengl()) {
1635 ERR("No libGL on this box - disabling OpenGL support !\n");
1636 return 0;
1639 wine_tsx11_lock();
1640 if (hglrc == NULL) {
1641 ret = pglXMakeCurrent(gdi_display, None, NULL);
1642 NtCurrentTeb()->glContext = NULL;
1643 } else {
1644 if (NULL == pglXMakeContextCurrent) {
1645 ret = FALSE;
1646 } else {
1647 Wine_GLContext *ctx = (Wine_GLContext *) hglrc;
1648 Drawable d_draw = get_glxdrawable(hDrawDev);
1649 Drawable d_read = get_glxdrawable(hReadDev);
1651 if (ctx->ctx == NULL) {
1652 ctx->ctx = pglXCreateContext(gdi_display, ctx->vis, NULL, GetObjectType(hDrawDev->hdc) == OBJ_MEMDC ? False : True);
1653 TRACE(" created a delayed OpenGL context (%p)\n", ctx->ctx);
1655 ret = pglXMakeContextCurrent(gdi_display, d_draw, d_read, ctx->ctx);
1656 NtCurrentTeb()->glContext = ctx;
1659 wine_tsx11_unlock();
1661 TRACE(" returning %s\n", (ret ? "True" : "False"));
1662 return ret;
1666 * X11DRV_wglShareLists
1668 * For OpenGL32 wglShaderLists.
1670 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
1671 Wine_GLContext *org = (Wine_GLContext *) hglrc1;
1672 Wine_GLContext *dest = (Wine_GLContext *) hglrc2;
1674 TRACE("(%p, %p)\n", org, dest);
1676 if (!has_opengl()) {
1677 ERR("No libGL on this box - disabling OpenGL support !\n");
1678 return 0;
1681 if (NULL != dest && dest->ctx != NULL) {
1682 ERR("Could not share display lists, context already created !\n");
1683 return FALSE;
1684 } else {
1685 if (org->ctx == NULL) {
1686 wine_tsx11_lock();
1687 describeContext(org);
1689 if(org->vis)
1690 org->ctx = pglXCreateContext(gdi_display, org->vis, NULL, GetObjectType(org->physDev->hdc) == OBJ_MEMDC ? False : True);
1691 else /* Create a GLX Context for a pbuffer */
1692 org->ctx = pglXCreateNewContext(gdi_display, org->fmt->fbconfig, org->fmt->render_type, NULL, True);
1693 wine_tsx11_unlock();
1694 TRACE(" created a delayed OpenGL context (%p) for Wine context %p\n", org->ctx, org);
1696 if (NULL != dest) {
1697 wine_tsx11_lock();
1698 describeContext(dest);
1699 /* Create the destination context with display lists shared */
1700 if(dest->vis)
1701 dest->ctx = pglXCreateContext(gdi_display, dest->vis, org->ctx, GetObjectType(org->physDev->hdc) == OBJ_MEMDC ? False : True);
1702 else /* Create a GLX Context for a pbuffer */
1703 dest->ctx = pglXCreateNewContext(gdi_display, dest->fmt->fbconfig, dest->fmt->render_type, org->ctx, True);
1704 wine_tsx11_unlock();
1705 TRACE(" created a delayed OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest->ctx, dest, org->ctx);
1706 return TRUE;
1709 return FALSE;
1712 static BOOL internal_wglUseFontBitmaps(HDC hdc, DWORD first, DWORD count, DWORD listBase, DWORD (WINAPI *GetGlyphOutline_ptr)(HDC,UINT,UINT,LPGLYPHMETRICS,DWORD,LPVOID,const MAT2*))
1714 /* We are running using client-side rendering fonts... */
1715 GLYPHMETRICS gm;
1716 unsigned int glyph;
1717 int size = 0;
1718 void *bitmap = NULL, *gl_bitmap = NULL;
1719 int org_alignment;
1721 wine_tsx11_lock();
1722 pglGetIntegerv(GL_UNPACK_ALIGNMENT, &org_alignment);
1723 pglPixelStorei(GL_UNPACK_ALIGNMENT, 4);
1724 wine_tsx11_unlock();
1726 for (glyph = first; glyph < first + count; glyph++) {
1727 unsigned int needed_size = GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, 0, NULL, NULL);
1728 int height, width_int;
1730 TRACE("Glyph : %3d / List : %d\n", glyph, listBase);
1731 if (needed_size == GDI_ERROR) {
1732 TRACE(" - needed size : %d (GDI_ERROR)\n", needed_size);
1733 goto error;
1734 } else {
1735 TRACE(" - needed size : %d\n", needed_size);
1738 if (needed_size > size) {
1739 size = needed_size;
1740 HeapFree(GetProcessHeap(), 0, bitmap);
1741 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1742 bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1743 gl_bitmap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
1745 if (GetGlyphOutline_ptr(hdc, glyph, GGO_BITMAP, &gm, size, bitmap, NULL) == GDI_ERROR) goto error;
1746 if (TRACE_ON(opengl)) {
1747 unsigned int height, width, bitmask;
1748 unsigned char *bitmap_ = (unsigned char *) bitmap;
1750 TRACE(" - bbox : %d x %d\n", gm.gmBlackBoxX, gm.gmBlackBoxY);
1751 TRACE(" - origin : (%d , %d)\n", gm.gmptGlyphOrigin.x, gm.gmptGlyphOrigin.y);
1752 TRACE(" - increment : %d - %d\n", gm.gmCellIncX, gm.gmCellIncY);
1753 if (needed_size != 0) {
1754 TRACE(" - bitmap :\n");
1755 for (height = 0; height < gm.gmBlackBoxY; height++) {
1756 TRACE(" ");
1757 for (width = 0, bitmask = 0x80; width < gm.gmBlackBoxX; width++, bitmask >>= 1) {
1758 if (bitmask == 0) {
1759 bitmap_ += 1;
1760 bitmask = 0x80;
1762 if (*bitmap_ & bitmask)
1763 TRACE("*");
1764 else
1765 TRACE(" ");
1767 bitmap_ += (4 - ((UINT_PTR)bitmap_ & 0x03));
1768 TRACE("\n");
1773 /* In OpenGL, the bitmap is drawn from the bottom to the top... So we need to invert the
1774 * glyph for it to be drawn properly.
1776 if (needed_size != 0) {
1777 width_int = (gm.gmBlackBoxX + 31) / 32;
1778 for (height = 0; height < gm.gmBlackBoxY; height++) {
1779 int width;
1780 for (width = 0; width < width_int; width++) {
1781 ((int *) gl_bitmap)[(gm.gmBlackBoxY - height - 1) * width_int + width] =
1782 ((int *) bitmap)[height * width_int + width];
1787 wine_tsx11_lock();
1788 pglNewList(listBase++, GL_COMPILE);
1789 if (needed_size != 0) {
1790 pglBitmap(gm.gmBlackBoxX, gm.gmBlackBoxY,
1791 0 - (int) gm.gmptGlyphOrigin.x, (int) gm.gmBlackBoxY - (int) gm.gmptGlyphOrigin.y,
1792 gm.gmCellIncX, gm.gmCellIncY,
1793 gl_bitmap);
1794 } else {
1795 /* This is the case of 'empty' glyphs like the space character */
1796 pglBitmap(0, 0, 0, 0, gm.gmCellIncX, gm.gmCellIncY, NULL);
1798 pglEndList();
1799 wine_tsx11_unlock();
1802 wine_tsx11_lock();
1803 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1804 wine_tsx11_unlock();
1806 HeapFree(GetProcessHeap(), 0, bitmap);
1807 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1808 return TRUE;
1810 error:
1811 wine_tsx11_lock();
1812 pglPixelStorei(GL_UNPACK_ALIGNMENT, org_alignment);
1813 wine_tsx11_unlock();
1815 HeapFree(GetProcessHeap(), 0, bitmap);
1816 HeapFree(GetProcessHeap(), 0, gl_bitmap);
1817 return FALSE;
1821 * X11DRV_wglUseFontBitmapsA
1823 * For OpenGL32 wglUseFontBitmapsA.
1825 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
1827 Font fid = physDev->font;
1829 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
1831 if (!has_opengl()) {
1832 ERR("No libGL on this box - disabling OpenGL support !\n");
1833 return 0;
1836 if (fid == 0) {
1837 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineA);
1840 wine_tsx11_lock();
1841 /* I assume that the glyphs are at the same position for X and for Windows */
1842 pglXUseXFont(fid, first, count, listBase);
1843 wine_tsx11_unlock();
1844 return TRUE;
1848 * X11DRV_wglUseFontBitmapsW
1850 * For OpenGL32 wglUseFontBitmapsW.
1852 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
1854 Font fid = physDev->font;
1856 TRACE("(%p, %d, %d, %d) using font %ld\n", physDev->hdc, first, count, listBase, fid);
1858 if (!has_opengl()) {
1859 ERR("No libGL on this box - disabling OpenGL support !\n");
1860 return 0;
1863 if (fid == 0) {
1864 return internal_wglUseFontBitmaps(physDev->hdc, first, count, listBase, GetGlyphOutlineW);
1867 WARN("Using the glX API for the WCHAR variant - some characters may come out incorrectly !\n");
1869 wine_tsx11_lock();
1870 /* I assume that the glyphs are at the same position for X and for Windows */
1871 pglXUseXFont(fid, first, count, listBase);
1872 wine_tsx11_unlock();
1873 return TRUE;
1876 static void WINAPI X11DRV_wglDisable(GLenum cap)
1878 if (cap == GL_SCISSOR_TEST)
1880 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1882 if (ctx)
1883 ctx->scissor_enabled = FALSE;
1885 else
1887 wine_tsx11_lock();
1888 pglDisable(cap);
1889 wine_tsx11_unlock();
1893 static void WINAPI X11DRV_wglEnable(GLenum cap)
1895 if (cap == GL_SCISSOR_TEST)
1897 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1899 if (ctx)
1900 ctx->scissor_enabled = TRUE;
1902 else
1904 wine_tsx11_lock();
1905 pglEnable(cap);
1906 wine_tsx11_unlock();
1910 /* WGL helper function which handles differences in glGetIntegerv from WGL and GLX */
1911 static void WINAPI X11DRV_wglGetIntegerv(GLenum pname, GLint* params)
1913 wine_tsx11_lock();
1914 switch(pname)
1916 case GL_DEPTH_BITS:
1918 GLXContext gl_ctx = pglXGetCurrentContext();
1919 Wine_GLContext* ret = get_context_from_GLXContext(gl_ctx);
1921 pglGetIntegerv(pname, params);
1923 * if we cannot find a Wine Context
1924 * we only have the default wine desktop context,
1925 * so if we have only a 24 depth say we have 32
1927 if (NULL == ret && 24 == *params) {
1928 *params = 32;
1930 TRACE("returns GL_DEPTH_BITS as '%d'\n", *params);
1931 break;
1933 case GL_ALPHA_BITS:
1935 GLXContext gl_ctx = pglXGetCurrentContext();
1936 Wine_GLContext* ret = get_context_from_GLXContext(gl_ctx);
1938 pglXGetFBConfigAttrib(gdi_display, ret->fmt->fbconfig, GLX_ALPHA_SIZE, params);
1939 TRACE("returns GL_ALPHA_BITS as '%d'\n", *params);
1940 break;
1942 default:
1943 pglGetIntegerv(pname, params);
1944 break;
1946 wine_tsx11_unlock();
1949 static GLboolean WINAPI X11DRV_wglIsEnabled(GLenum cap)
1951 GLboolean enabled = False;
1953 if (cap == GL_SCISSOR_TEST)
1955 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1957 if (ctx)
1958 enabled = ctx->scissor_enabled;
1960 else
1962 wine_tsx11_lock();
1963 enabled = pglIsEnabled(cap);
1964 wine_tsx11_unlock();
1966 return enabled;
1969 static void WINAPI X11DRV_wglScissor(GLint x, GLint y, GLsizei width, GLsizei height)
1971 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1973 if (ctx)
1975 ctx->scissor.left = x;
1976 ctx->scissor.top = y;
1977 ctx->scissor.right = x + width;
1978 ctx->scissor.bottom = y + height;
1980 sync_current_drawable(TRUE);
1984 static void WINAPI X11DRV_wglViewport(GLint x, GLint y, GLsizei width, GLsizei height)
1986 Wine_GLContext *ctx = (Wine_GLContext *) NtCurrentTeb()->glContext;
1988 if (ctx)
1990 ctx->viewport.left = x;
1991 ctx->viewport.top = y;
1992 ctx->viewport.right = x + width;
1993 ctx->viewport.bottom = y + height;
1995 sync_current_drawable(TRUE);
2000 * X11DRV_wglGetExtensionsStringARB
2002 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
2004 static const char * WINAPI X11DRV_wglGetExtensionsStringARB(HDC hdc) {
2005 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
2006 return WineGLInfo.wglExtensions;
2010 * X11DRV_wglCreatePbufferARB
2012 * WGL_ARB_pbuffer: wglCreatePbufferARB
2014 static HPBUFFERARB WINAPI X11DRV_wglCreatePbufferARB(HDC hdc, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList)
2016 Wine_GLPBuffer* object = NULL;
2017 WineGLPixelFormat *fmt = NULL;
2018 int nCfgs = 0;
2019 int attribs[256];
2020 int nAttribs = 0;
2022 TRACE("(%p, %d, %d, %d, %p)\n", hdc, iPixelFormat, iWidth, iHeight, piAttribList);
2024 if (0 >= iPixelFormat) {
2025 ERR("(%p): unexpected iPixelFormat(%d) <= 0, returns NULL\n", hdc, iPixelFormat);
2026 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
2027 return NULL; /* unexpected error */
2030 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
2031 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, TRUE /* Offscreen */, &nCfgs);
2032 if(!fmt) {
2033 ERR("(%p): unexpected iPixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, iPixelFormat, nCfgs);
2034 SetLastError(ERROR_INVALID_PIXEL_FORMAT);
2035 goto create_failed; /* unexpected error */
2038 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLPBuffer));
2039 if (NULL == object) {
2040 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
2041 goto create_failed; /* unexpected error */
2043 object->hdc = hdc;
2044 object->display = gdi_display;
2045 object->width = iWidth;
2046 object->height = iHeight;
2047 object->fmt = fmt;
2049 nAttribs = ConvertAttribWGLtoGLX(piAttribList, attribs, object);
2050 if (-1 == nAttribs) {
2051 WARN("Cannot convert WGL to GLX attributes\n");
2052 goto create_failed;
2054 PUSH2(attribs, GLX_PBUFFER_WIDTH, iWidth);
2055 PUSH2(attribs, GLX_PBUFFER_HEIGHT, iHeight);
2056 while (piAttribList && 0 != *piAttribList) {
2057 int attr_v;
2058 switch (*piAttribList) {
2059 case WGL_TEXTURE_FORMAT_ARB: {
2060 ++piAttribList;
2061 attr_v = *piAttribList;
2062 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v);
2063 if (use_render_texture_ati) {
2064 int type = 0;
2065 switch (attr_v) {
2066 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
2067 case WGL_TEXTURE_RGB_ARB: type = GLX_TEXTURE_RGB_ATI; break ;
2068 case WGL_TEXTURE_RGBA_ARB: type = GLX_TEXTURE_RGBA_ATI; break ;
2069 default:
2070 SetLastError(ERROR_INVALID_DATA);
2071 goto create_failed;
2073 object->use_render_texture = 1;
2074 PUSH2(attribs, GLX_TEXTURE_FORMAT_ATI, type);
2075 } else {
2076 if (WGL_NO_TEXTURE_ARB == attr_v) {
2077 object->use_render_texture = 0;
2078 } else {
2079 if (!use_render_texture_emulation) {
2080 SetLastError(ERROR_INVALID_DATA);
2081 goto create_failed;
2083 switch (attr_v) {
2084 case WGL_TEXTURE_RGB_ARB:
2085 object->use_render_texture = GL_RGB;
2086 object->texture_bpp = 3;
2087 object->texture_format = GL_RGB;
2088 object->texture_type = GL_UNSIGNED_BYTE;
2089 break;
2090 case WGL_TEXTURE_RGBA_ARB:
2091 object->use_render_texture = GL_RGBA;
2092 object->texture_bpp = 4;
2093 object->texture_format = GL_RGBA;
2094 object->texture_type = GL_UNSIGNED_BYTE;
2095 break;
2097 /* WGL_FLOAT_COMPONENTS_NV */
2098 case WGL_TEXTURE_FLOAT_R_NV:
2099 object->use_render_texture = GL_FLOAT_R_NV;
2100 object->texture_bpp = 4;
2101 object->texture_format = GL_RED;
2102 object->texture_type = GL_FLOAT;
2103 break;
2104 case WGL_TEXTURE_FLOAT_RG_NV:
2105 object->use_render_texture = GL_FLOAT_RG_NV;
2106 object->texture_bpp = 8;
2107 object->texture_format = GL_LUMINANCE_ALPHA;
2108 object->texture_type = GL_FLOAT;
2109 break;
2110 case WGL_TEXTURE_FLOAT_RGB_NV:
2111 object->use_render_texture = GL_FLOAT_RGB_NV;
2112 object->texture_bpp = 12;
2113 object->texture_format = GL_RGB;
2114 object->texture_type = GL_FLOAT;
2115 break;
2116 case WGL_TEXTURE_FLOAT_RGBA_NV:
2117 object->use_render_texture = GL_FLOAT_RGBA_NV;
2118 object->texture_bpp = 16;
2119 object->texture_format = GL_RGBA;
2120 object->texture_type = GL_FLOAT;
2121 break;
2122 default:
2123 ERR("Unknown texture format: %x\n", attr_v);
2124 SetLastError(ERROR_INVALID_DATA);
2125 goto create_failed;
2129 break;
2132 case WGL_TEXTURE_TARGET_ARB: {
2133 ++piAttribList;
2134 attr_v = *piAttribList;
2135 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v);
2136 if (use_render_texture_ati) {
2137 int type = 0;
2138 switch (attr_v) {
2139 case WGL_NO_TEXTURE_ARB: type = GLX_NO_TEXTURE_ATI; break ;
2140 case WGL_TEXTURE_CUBE_MAP_ARB: type = GLX_TEXTURE_CUBE_MAP_ATI; break ;
2141 case WGL_TEXTURE_1D_ARB: type = GLX_TEXTURE_1D_ATI; break ;
2142 case WGL_TEXTURE_2D_ARB: type = GLX_TEXTURE_2D_ATI; break ;
2143 default:
2144 SetLastError(ERROR_INVALID_DATA);
2145 goto create_failed;
2147 PUSH2(attribs, GLX_TEXTURE_TARGET_ATI, type);
2148 } else {
2149 if (WGL_NO_TEXTURE_ARB == attr_v) {
2150 object->texture_target = 0;
2151 } else {
2152 if (!use_render_texture_emulation) {
2153 SetLastError(ERROR_INVALID_DATA);
2154 goto create_failed;
2156 switch (attr_v) {
2157 case WGL_TEXTURE_CUBE_MAP_ARB: {
2158 if (iWidth != iHeight) {
2159 SetLastError(ERROR_INVALID_DATA);
2160 goto create_failed;
2162 object->texture_target = GL_TEXTURE_CUBE_MAP;
2163 object->texture_bind_target = GL_TEXTURE_BINDING_CUBE_MAP;
2164 break;
2166 case WGL_TEXTURE_1D_ARB: {
2167 if (1 != iHeight) {
2168 SetLastError(ERROR_INVALID_DATA);
2169 goto create_failed;
2171 object->texture_target = GL_TEXTURE_1D;
2172 object->texture_bind_target = GL_TEXTURE_BINDING_1D;
2173 break;
2175 case WGL_TEXTURE_2D_ARB: {
2176 object->texture_target = GL_TEXTURE_2D;
2177 object->texture_bind_target = GL_TEXTURE_BINDING_2D;
2178 break;
2180 case WGL_TEXTURE_RECTANGLE_NV: {
2181 object->texture_target = GL_TEXTURE_RECTANGLE_NV;
2182 object->texture_bind_target = GL_TEXTURE_BINDING_RECTANGLE_NV;
2183 break;
2185 default:
2186 ERR("Unknown texture target: %x\n", attr_v);
2187 SetLastError(ERROR_INVALID_DATA);
2188 goto create_failed;
2192 break;
2195 case WGL_MIPMAP_TEXTURE_ARB: {
2196 ++piAttribList;
2197 attr_v = *piAttribList;
2198 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v);
2199 if (use_render_texture_ati) {
2200 PUSH2(attribs, GLX_MIPMAP_TEXTURE_ATI, attr_v);
2201 } else {
2202 if (!use_render_texture_emulation) {
2203 SetLastError(ERROR_INVALID_DATA);
2204 goto create_failed;
2207 break;
2210 ++piAttribList;
2213 PUSH1(attribs, None);
2214 object->drawable = pglXCreatePbuffer(gdi_display, fmt->fbconfig, attribs);
2215 TRACE("new Pbuffer drawable as %p\n", (void*) object->drawable);
2216 if (!object->drawable) {
2217 SetLastError(ERROR_NO_SYSTEM_RESOURCES);
2218 goto create_failed; /* unexpected error */
2220 TRACE("->(%p)\n", object);
2221 return (HPBUFFERARB) object;
2223 create_failed:
2224 HeapFree(GetProcessHeap(), 0, object);
2225 TRACE("->(FAILED)\n");
2226 return (HPBUFFERARB) NULL;
2230 * X11DRV_wglDestroyPbufferARB
2232 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2234 static GLboolean WINAPI X11DRV_wglDestroyPbufferARB(HPBUFFERARB hPbuffer)
2236 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2237 TRACE("(%p)\n", hPbuffer);
2238 if (NULL == object) {
2239 SetLastError(ERROR_INVALID_HANDLE);
2240 return GL_FALSE;
2242 pglXDestroyPbuffer(object->display, object->drawable);
2243 HeapFree(GetProcessHeap(), 0, object);
2244 return GL_TRUE;
2248 * X11DRV_wglGetPbufferDCARB
2250 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2251 * The function wglGetPbufferDCARB returns a device context for a pbuffer.
2252 * Gdi32 implements the part of this function which creates a device context.
2253 * This part associates the physDev with the X drawable of the pbuffer.
2255 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *physDev, HPBUFFERARB hPbuffer)
2257 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2258 if (NULL == object) {
2259 SetLastError(ERROR_INVALID_HANDLE);
2260 return NULL;
2263 /* The function wglGetPbufferDCARB returns a DC to which the pbuffer can be connected.
2264 * All formats in our pixelformat list are compatible with each other and the main drawable. */
2265 physDev->current_pf = object->fmt->iPixelFormat;
2266 physDev->drawable = object->drawable;
2267 SetRect( &physDev->drawable_rect, 0, 0, object->width, object->height );
2268 physDev->dc_rect = physDev->drawable_rect;
2270 TRACE("(%p)->(%p)\n", hPbuffer, physDev->hdc);
2271 return physDev->hdc;
2275 * X11DRV_wglQueryPbufferARB
2277 * WGL_ARB_pbuffer: wglQueryPbufferARB
2279 static GLboolean WINAPI X11DRV_wglQueryPbufferARB(HPBUFFERARB hPbuffer, int iAttribute, int *piValue)
2281 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2282 TRACE("(%p, 0x%x, %p)\n", hPbuffer, iAttribute, piValue);
2283 if (NULL == object) {
2284 SetLastError(ERROR_INVALID_HANDLE);
2285 return GL_FALSE;
2287 switch (iAttribute) {
2288 case WGL_PBUFFER_WIDTH_ARB:
2289 pglXQueryDrawable(object->display, object->drawable, GLX_WIDTH, (unsigned int*) piValue);
2290 break;
2291 case WGL_PBUFFER_HEIGHT_ARB:
2292 pglXQueryDrawable(object->display, object->drawable, GLX_HEIGHT, (unsigned int*) piValue);
2293 break;
2295 case WGL_PBUFFER_LOST_ARB:
2296 FIXME("unsupported WGL_PBUFFER_LOST_ARB (need glXSelectEvent/GLX_DAMAGED work)\n");
2297 break;
2299 case WGL_TEXTURE_FORMAT_ARB:
2300 if (use_render_texture_ati) {
2301 unsigned int tmp;
2302 int type = WGL_NO_TEXTURE_ARB;
2303 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_FORMAT_ATI, &tmp);
2304 switch (tmp) {
2305 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2306 case GLX_TEXTURE_RGB_ATI: type = WGL_TEXTURE_RGB_ARB; break ;
2307 case GLX_TEXTURE_RGBA_ATI: type = WGL_TEXTURE_RGBA_ARB; break ;
2309 *piValue = type;
2310 } else {
2311 if (!object->use_render_texture) {
2312 *piValue = WGL_NO_TEXTURE_ARB;
2313 } else {
2314 if (!use_render_texture_emulation) {
2315 SetLastError(ERROR_INVALID_HANDLE);
2316 return GL_FALSE;
2318 switch(object->use_render_texture) {
2319 case GL_RGB:
2320 *piValue = WGL_TEXTURE_RGB_ARB;
2321 break;
2322 case GL_RGBA:
2323 *piValue = WGL_TEXTURE_RGBA_ARB;
2324 break;
2325 /* WGL_FLOAT_COMPONENTS_NV */
2326 case GL_FLOAT_R_NV:
2327 *piValue = WGL_TEXTURE_FLOAT_R_NV;
2328 break;
2329 case GL_FLOAT_RG_NV:
2330 *piValue = WGL_TEXTURE_FLOAT_RG_NV;
2331 break;
2332 case GL_FLOAT_RGB_NV:
2333 *piValue = WGL_TEXTURE_FLOAT_RGB_NV;
2334 break;
2335 case GL_FLOAT_RGBA_NV:
2336 *piValue = WGL_TEXTURE_FLOAT_RGBA_NV;
2337 break;
2338 default:
2339 ERR("Unknown texture format: %x\n", object->use_render_texture);
2343 break;
2345 case WGL_TEXTURE_TARGET_ARB:
2346 if (use_render_texture_ati) {
2347 unsigned int tmp;
2348 int type = WGL_NO_TEXTURE_ARB;
2349 pglXQueryDrawable(object->display, object->drawable, GLX_TEXTURE_TARGET_ATI, &tmp);
2350 switch (tmp) {
2351 case GLX_NO_TEXTURE_ATI: type = WGL_NO_TEXTURE_ARB; break ;
2352 case GLX_TEXTURE_CUBE_MAP_ATI: type = WGL_TEXTURE_CUBE_MAP_ARB; break ;
2353 case GLX_TEXTURE_1D_ATI: type = WGL_TEXTURE_1D_ARB; break ;
2354 case GLX_TEXTURE_2D_ATI: type = WGL_TEXTURE_2D_ARB; break ;
2356 *piValue = type;
2357 } else {
2358 if (!object->texture_target) {
2359 *piValue = WGL_NO_TEXTURE_ARB;
2360 } else {
2361 if (!use_render_texture_emulation) {
2362 SetLastError(ERROR_INVALID_DATA);
2363 return GL_FALSE;
2365 switch (object->texture_target) {
2366 case GL_TEXTURE_1D: *piValue = WGL_TEXTURE_1D_ARB; break;
2367 case GL_TEXTURE_2D: *piValue = WGL_TEXTURE_2D_ARB; break;
2368 case GL_TEXTURE_CUBE_MAP: *piValue = WGL_TEXTURE_CUBE_MAP_ARB; break;
2369 case GL_TEXTURE_RECTANGLE_NV: *piValue = WGL_TEXTURE_RECTANGLE_NV; break;
2373 break;
2375 case WGL_MIPMAP_TEXTURE_ARB:
2376 if (use_render_texture_ati) {
2377 pglXQueryDrawable(object->display, object->drawable, GLX_MIPMAP_TEXTURE_ATI, (unsigned int*) piValue);
2378 } else {
2379 *piValue = GL_FALSE; /** don't support that */
2380 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute);
2382 break;
2384 default:
2385 FIXME("unexpected attribute %x\n", iAttribute);
2386 break;
2389 return GL_TRUE;
2393 * X11DRV_wglReleasePbufferDCARB
2395 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2397 static int WINAPI X11DRV_wglReleasePbufferDCARB(HPBUFFERARB hPbuffer, HDC hdc)
2399 TRACE("(%p, %p)\n", hPbuffer, hdc);
2400 DeleteDC(hdc);
2401 return 0;
2405 * X11DRV_wglSetPbufferAttribARB
2407 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2409 static GLboolean WINAPI X11DRV_wglSetPbufferAttribARB(HPBUFFERARB hPbuffer, const int *piAttribList)
2411 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2412 WARN("(%p, %p): alpha-testing, report any problem\n", hPbuffer, piAttribList);
2413 if (NULL == object) {
2414 SetLastError(ERROR_INVALID_HANDLE);
2415 return GL_FALSE;
2417 if (!object->use_render_texture) {
2418 SetLastError(ERROR_INVALID_HANDLE);
2419 return GL_FALSE;
2421 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2422 return GL_TRUE;
2424 if (NULL != pglXDrawableAttribARB) {
2425 if (use_render_texture_ati) {
2426 FIXME("Need conversion for GLX_ATI_render_texture\n");
2428 return pglXDrawableAttribARB(object->display, object->drawable, piAttribList);
2430 return GL_FALSE;
2434 * X11DRV_wglChoosePixelFormatARB
2436 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2438 static GLboolean WINAPI X11DRV_wglChoosePixelFormatARB(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats)
2440 int gl_test = 0;
2441 int attribs[256];
2442 int nAttribs = 0;
2443 GLXFBConfig* cfgs = NULL;
2444 int nCfgs = 0;
2445 UINT it;
2446 int fmt_id;
2448 GLXFBConfig* cfgs_fmt = NULL;
2449 int nCfgs_fmt = 0;
2451 int fmt = 0;
2452 int pfmt_it = 0;
2454 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc, piAttribIList, pfAttribFList, nMaxFormats, piFormats, nNumFormats);
2455 if (NULL != pfAttribFList) {
2456 FIXME("unused pfAttribFList\n");
2459 nAttribs = ConvertAttribWGLtoGLX(piAttribIList, attribs, NULL);
2460 if (-1 == nAttribs) {
2461 WARN("Cannot convert WGL to GLX attributes\n");
2462 return GL_FALSE;
2464 PUSH1(attribs, None);
2466 /* Search for FB configurations matching the requirements in attribs */
2467 cfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), attribs, &nCfgs);
2468 if (NULL == cfgs) {
2469 WARN("Compatible Pixel Format not found\n");
2470 return GL_FALSE;
2473 /* Get a list of all FB configurations */
2474 cfgs_fmt = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs_fmt);
2475 if (NULL == cfgs_fmt) {
2476 ERR("Failed to get All FB Configs\n");
2477 XFree(cfgs);
2478 return GL_FALSE;
2481 /* Loop through all matching formats and check if they are suitable.
2482 * Note that this function should at max return nMaxFormats different formats */
2483 for (it = 0; pfmt_it < nMaxFormats && it < nCfgs; ++it) {
2484 gl_test = pglXGetFBConfigAttrib(gdi_display, cfgs[it], GLX_FBCONFIG_ID, &fmt_id);
2485 if (gl_test) {
2486 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2487 continue;
2490 /* Search for the format in our list of compatible formats */
2491 fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fmt_id);
2492 if(!fmt)
2493 continue;
2495 piFormats[pfmt_it] = fmt;
2496 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d/%d)\n", it + 1, nCfgs, fmt_id, piFormats[pfmt_it], nCfgs_fmt);
2497 pfmt_it++;
2500 *nNumFormats = pfmt_it;
2501 /** free list */
2502 XFree(cfgs);
2503 XFree(cfgs_fmt);
2504 return GL_TRUE;
2508 * X11DRV_wglGetPixelFormatAttribivARB
2510 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2512 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues)
2514 UINT i;
2515 WineGLPixelFormat *fmt = NULL;
2516 int hTest;
2517 int tmp;
2518 int curGLXAttr = 0;
2519 int nWGLFormats = 0;
2521 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, piValues);
2523 if (0 < iLayerPlane) {
2524 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane);
2525 return GL_FALSE;
2528 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supoprted.
2529 * We don't have to fail yet as a program can specify an invaled iPixelFormat (lets say 0) if it wants to query
2530 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2531 fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, TRUE /* Offscreen */, &nWGLFormats);
2532 if(!fmt) {
2533 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat);
2536 for (i = 0; i < nAttributes; ++i) {
2537 const int curWGLAttr = piAttributes[i];
2538 TRACE("pAttr[%d] = %x\n", i, curWGLAttr);
2540 switch (curWGLAttr) {
2541 case WGL_NUMBER_PIXEL_FORMATS_ARB:
2542 piValues[i] = nWGLFormats;
2543 continue;
2545 case WGL_SUPPORT_OPENGL_ARB:
2546 piValues[i] = GL_TRUE;
2547 continue;
2549 case WGL_ACCELERATION_ARB:
2550 curGLXAttr = GLX_CONFIG_CAVEAT;
2551 if (!fmt) goto pix_error;
2552 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2553 if (hTest) goto get_error;
2554 switch (tmp) {
2555 case GLX_NONE: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2556 case GLX_SLOW_CONFIG: piValues[i] = WGL_NO_ACCELERATION_ARB; break;
2557 case GLX_NON_CONFORMANT_CONFIG: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
2558 default:
2559 ERR("unexpected Config Caveat(%x)\n", tmp);
2560 piValues[i] = WGL_NO_ACCELERATION_ARB;
2562 continue;
2564 case WGL_TRANSPARENT_ARB:
2565 curGLXAttr = GLX_TRANSPARENT_TYPE;
2566 if (!fmt) goto pix_error;
2567 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2568 if (hTest) goto get_error;
2569 piValues[i] = GL_FALSE;
2570 if (GLX_NONE != tmp) piValues[i] = GL_TRUE;
2571 continue;
2573 case WGL_PIXEL_TYPE_ARB:
2574 curGLXAttr = GLX_RENDER_TYPE;
2575 if (!fmt) goto pix_error;
2576 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2577 if (hTest) goto get_error;
2578 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp);
2579 if (tmp & GLX_RGBA_BIT) { piValues[i] = WGL_TYPE_RGBA_ARB; }
2580 else if (tmp & GLX_COLOR_INDEX_BIT) { piValues[i] = WGL_TYPE_COLORINDEX_ARB; }
2581 else if (tmp & GLX_RGBA_FLOAT_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2582 else if (tmp & GLX_RGBA_FLOAT_ATI_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
2583 else {
2584 ERR("unexpected RenderType(%x)\n", tmp);
2585 piValues[i] = WGL_TYPE_RGBA_ARB;
2587 continue;
2589 case WGL_COLOR_BITS_ARB:
2590 /** see ConvertAttribWGLtoGLX for explain */
2591 if (!fmt) goto pix_error;
2592 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_BUFFER_SIZE, piValues + i);
2593 if (hTest) goto get_error;
2594 TRACE("WGL_COLOR_BITS_ARB: GLX_BUFFER_SIZE = %d\n", piValues[i]);
2595 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_ALPHA_SIZE, &tmp);
2596 if (hTest) goto get_error;
2597 TRACE("WGL_COLOR_BITS_ARB: GLX_ALPHA_SIZE = %d\n", tmp);
2598 piValues[i] = piValues[i] - tmp;
2599 continue;
2601 case WGL_BIND_TO_TEXTURE_RGB_ARB:
2602 if (use_render_texture_ati) {
2603 curGLXAttr = GLX_BIND_TO_TEXTURE_RGB_ATI;
2604 break;
2606 case WGL_BIND_TO_TEXTURE_RGBA_ARB:
2607 if (use_render_texture_ati) {
2608 curGLXAttr = GLX_BIND_TO_TEXTURE_RGBA_ATI;
2609 break;
2611 if (!use_render_texture_emulation) {
2612 piValues[i] = GL_FALSE;
2613 continue;
2615 curGLXAttr = GLX_RENDER_TYPE;
2616 if (!fmt) goto pix_error;
2617 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, &tmp);
2618 if (hTest) goto get_error;
2619 if (GLX_COLOR_INDEX_BIT == tmp) {
2620 piValues[i] = GL_FALSE;
2621 continue;
2623 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp);
2624 if (hTest) goto get_error;
2625 piValues[i] = (tmp & GLX_PBUFFER_BIT) ? GL_TRUE : GL_FALSE;
2626 continue;
2628 case WGL_BLUE_BITS_ARB:
2629 curGLXAttr = GLX_BLUE_SIZE;
2630 break;
2631 case WGL_RED_BITS_ARB:
2632 curGLXAttr = GLX_RED_SIZE;
2633 break;
2634 case WGL_GREEN_BITS_ARB:
2635 curGLXAttr = GLX_GREEN_SIZE;
2636 break;
2637 case WGL_ALPHA_BITS_ARB:
2638 curGLXAttr = GLX_ALPHA_SIZE;
2639 break;
2640 case WGL_DEPTH_BITS_ARB:
2641 curGLXAttr = GLX_DEPTH_SIZE;
2642 break;
2643 case WGL_STENCIL_BITS_ARB:
2644 curGLXAttr = GLX_STENCIL_SIZE;
2645 break;
2646 case WGL_DOUBLE_BUFFER_ARB:
2647 curGLXAttr = GLX_DOUBLEBUFFER;
2648 break;
2649 case WGL_STEREO_ARB:
2650 curGLXAttr = GLX_STEREO;
2651 break;
2652 case WGL_AUX_BUFFERS_ARB:
2653 curGLXAttr = GLX_AUX_BUFFERS;
2654 break;
2655 case WGL_SUPPORT_GDI_ARB:
2656 case WGL_DRAW_TO_WINDOW_ARB:
2657 case WGL_DRAW_TO_BITMAP_ARB:
2658 /* We only supported a limited number of formats right now which are all renderable by X 'GLX_X_RENDERABLE' */
2659 piValues[i] = GL_TRUE;
2660 continue;
2661 case WGL_DRAW_TO_PBUFFER_ARB:
2662 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &tmp);
2663 if (hTest) goto get_error;
2664 piValues[i] = (tmp & GLX_PBUFFER_BIT) ? GL_TRUE : GL_FALSE;
2665 continue;
2667 case WGL_PBUFFER_LARGEST_ARB:
2668 curGLXAttr = GLX_LARGEST_PBUFFER;
2669 break;
2671 case WGL_SAMPLE_BUFFERS_ARB:
2672 curGLXAttr = GLX_SAMPLE_BUFFERS_ARB;
2673 break;
2675 case WGL_SAMPLES_ARB:
2676 curGLXAttr = GLX_SAMPLES_ARB;
2677 break;
2679 default:
2680 FIXME("unsupported %x WGL Attribute\n", curWGLAttr);
2683 /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
2684 * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
2685 * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
2687 * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
2688 * and check which options can work using iPixelFormat=0 and which not.
2689 * A problem would be that this function is an extension. This would
2690 * mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
2692 if (0 != curGLXAttr && iPixelFormat != 0) {
2693 if (!fmt) goto pix_error;
2694 hTest = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, curGLXAttr, piValues + i);
2695 if (hTest) goto get_error;
2696 curGLXAttr = 0;
2697 } else {
2698 piValues[i] = GL_FALSE;
2701 return GL_TRUE;
2703 get_error:
2704 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc, curGLXAttr);
2705 return GL_FALSE;
2707 pix_error:
2708 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc, iPixelFormat, nWGLFormats);
2709 return GL_FALSE;
2713 * X11DRV_wglGetPixelFormatAttribfvARB
2715 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2717 static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribfvARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues)
2719 int *attr;
2720 int ret;
2721 int i;
2723 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, pfValues);
2725 /* Allocate a temporary array to store integer values */
2726 attr = HeapAlloc(GetProcessHeap(), 0, nAttributes * sizeof(int));
2727 if (!attr) {
2728 ERR("couldn't allocate %d array\n", nAttributes);
2729 return GL_FALSE;
2732 /* Piggy-back on wglGetPixelFormatAttribivARB */
2733 ret = X11DRV_wglGetPixelFormatAttribivARB(hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, attr);
2734 if (ret) {
2735 /* Convert integer values to float. Should also check for attributes
2736 that can give decimal values here */
2737 for (i=0; i<nAttributes;i++) {
2738 pfValues[i] = attr[i];
2742 HeapFree(GetProcessHeap(), 0, attr);
2743 return ret;
2747 * X11DRV_wglBindTexImageARB
2749 * WGL_ARB_render_texture: wglBindTexImageARB
2751 static GLboolean WINAPI X11DRV_wglBindTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
2753 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2754 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
2755 if (NULL == object) {
2756 SetLastError(ERROR_INVALID_HANDLE);
2757 return GL_FALSE;
2759 if (!object->use_render_texture) {
2760 SetLastError(ERROR_INVALID_HANDLE);
2761 return GL_FALSE;
2764 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2765 static int init = 0;
2766 int prev_binded_texture = 0;
2767 GLXContext prev_context = pglXGetCurrentContext();
2768 Drawable prev_drawable = pglXGetCurrentDrawable();
2769 GLXContext tmp_context;
2771 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2772 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2773 isn't ideal performance wise but I wasn't able to get other ways working.
2775 if(!init) {
2776 init = 1; /* Only show the FIXME once for performance reasons */
2777 FIXME("partial stub!\n");
2780 TRACE("drawable=%p, context=%p\n", (void*)object->drawable, prev_context);
2781 tmp_context = pglXCreateNewContext(gdi_display, object->fmt->fbconfig, object->fmt->render_type, prev_context, True);
2783 pglGetIntegerv(object->texture_bind_target, &prev_binded_texture);
2785 /* Switch to our pbuffer */
2786 pglXMakeCurrent(gdi_display, object->drawable, tmp_context);
2788 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2789 * After that upload the pbuffer texture data. */
2790 pglBindTexture(object->texture_target, prev_binded_texture);
2791 pglCopyTexImage2D(object->texture_target, 0, object->use_render_texture, 0, 0, object->width, object->height, 0);
2793 /* Switch back to the original drawable and upload the pbuffer-texture */
2794 pglXMakeCurrent(object->display, prev_drawable, prev_context);
2795 pglXDestroyContext(gdi_display, tmp_context);
2796 return GL_TRUE;
2799 if (NULL != pglXBindTexImageARB) {
2800 return pglXBindTexImageARB(object->display, object->drawable, iBuffer);
2802 return GL_FALSE;
2806 * X11DRV_wglReleaseTexImageARB
2808 * WGL_ARB_render_texture: wglReleaseTexImageARB
2810 static GLboolean WINAPI X11DRV_wglReleaseTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
2812 Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
2813 TRACE("(%p, %d)\n", hPbuffer, iBuffer);
2814 if (NULL == object) {
2815 SetLastError(ERROR_INVALID_HANDLE);
2816 return GL_FALSE;
2818 if (!object->use_render_texture) {
2819 SetLastError(ERROR_INVALID_HANDLE);
2820 return GL_FALSE;
2822 if (!use_render_texture_ati && 1 == use_render_texture_emulation) {
2823 return GL_TRUE;
2825 if (NULL != pglXReleaseTexImageARB) {
2826 return pglXReleaseTexImageARB(object->display, object->drawable, iBuffer);
2828 return GL_FALSE;
2832 * X11DRV_wglGetExtensionsStringEXT
2834 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2836 static const char * WINAPI X11DRV_wglGetExtensionsStringEXT(void) {
2837 TRACE("() returning \"%s\"\n", WineGLInfo.wglExtensions);
2838 return WineGLInfo.wglExtensions;
2842 * X11DRV_wglGetSwapIntervalEXT
2844 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
2846 static int WINAPI X11DRV_wglGetSwapIntervalEXT(VOID) {
2847 FIXME("(),stub!\n");
2848 return swap_interval;
2852 * X11DRV_wglSwapIntervalEXT
2854 * WGL_EXT_swap_control: wglSwapIntervalEXT
2856 static BOOL WINAPI X11DRV_wglSwapIntervalEXT(int interval) {
2857 TRACE("(%d)\n", interval);
2858 swap_interval = interval;
2859 if (NULL != pglXSwapIntervalSGI) {
2860 return 0 == pglXSwapIntervalSGI(interval);
2862 WARN("(): GLX_SGI_swap_control extension seems not supported\n");
2863 return TRUE;
2867 * X11DRV_wglAllocateMemoryNV
2869 * WGL_NV_vertex_array_range: wglAllocateMemoryNV
2871 static void* WINAPI X11DRV_wglAllocateMemoryNV(GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority) {
2872 TRACE("(%d, %f, %f, %f)\n", size, readfreq, writefreq, priority );
2873 if (pglXAllocateMemoryNV == NULL)
2874 return NULL;
2876 return pglXAllocateMemoryNV(size, readfreq, writefreq, priority);
2880 * X11DRV_wglFreeMemoryNV
2882 * WGL_NV_vertex_array_range: wglFreeMemoryNV
2884 static void WINAPI X11DRV_wglFreeMemoryNV(GLvoid* pointer) {
2885 TRACE("(%p)\n", pointer);
2886 if (pglXFreeMemoryNV == NULL)
2887 return;
2889 pglXFreeMemoryNV(pointer);
2893 * glxRequireVersion (internal)
2895 * Check if the supported GLX version matches requiredVersion.
2897 static BOOL glxRequireVersion(int requiredVersion)
2899 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
2900 if(requiredVersion <= WineGLInfo.glxVersion[1])
2901 return TRUE;
2903 return FALSE;
2906 static BOOL glxRequireExtension(const char *requiredExtension)
2908 if (strstr(WineGLInfo.glxClientExtensions, requiredExtension) == NULL) {
2909 return FALSE;
2912 return TRUE;
2915 static void register_extension_string(const char *ext)
2917 strcat(WineGLInfo.wglExtensions, " ");
2918 strcat(WineGLInfo.wglExtensions, ext);
2920 TRACE("'%s'\n", ext);
2923 static BOOL register_extension(const WineGLExtension * ext)
2925 int i;
2927 assert( WineGLExtensionListSize < MAX_EXTENSIONS );
2928 WineGLExtensionList[WineGLExtensionListSize++] = ext;
2930 strcat(WineGLInfo.wglExtensions, " ");
2931 strcat(WineGLInfo.wglExtensions, ext->extName);
2933 TRACE("'%s'\n", ext->extName);
2935 for (i = 0; ext->extEntryPoints[i].funcName; ++i)
2936 TRACE(" - '%s'\n", ext->extEntryPoints[i].funcName);
2938 return TRUE;
2941 static const WineGLExtension WGL_internal_functions =
2945 { "wglDisable", X11DRV_wglDisable },
2946 { "wglEnable", X11DRV_wglEnable },
2947 { "wglGetIntegerv", X11DRV_wglGetIntegerv },
2948 { "wglIsEnabled", X11DRV_wglIsEnabled },
2949 { "wglScissor", X11DRV_wglScissor },
2950 { "wglViewport", X11DRV_wglViewport },
2955 static const WineGLExtension WGL_ARB_extensions_string =
2957 "WGL_ARB_extensions_string",
2959 { "wglGetExtensionsStringARB", X11DRV_wglGetExtensionsStringARB },
2963 static const WineGLExtension WGL_ARB_make_current_read =
2965 "WGL_ARB_make_current_read",
2967 { "wglGetCurrentReadDCARB", X11DRV_wglGetCurrentReadDCARB },
2968 { "wglMakeContextCurrentARB", X11DRV_wglMakeContextCurrentARB },
2972 static const WineGLExtension WGL_ARB_multisample =
2974 "WGL_ARB_multisample",
2977 static const WineGLExtension WGL_ARB_pbuffer =
2979 "WGL_ARB_pbuffer",
2981 { "wglCreatePbufferARB", X11DRV_wglCreatePbufferARB },
2982 { "wglDestroyPbufferARB", X11DRV_wglDestroyPbufferARB },
2983 { "wglGetPbufferDCARB", X11DRV_wglGetPbufferDCARB },
2984 { "wglQueryPbufferARB", X11DRV_wglQueryPbufferARB },
2985 { "wglReleasePbufferDCARB", X11DRV_wglReleasePbufferDCARB },
2986 { "wglSetPbufferAttribARB", X11DRV_wglSetPbufferAttribARB },
2990 static const WineGLExtension WGL_ARB_pixel_format =
2992 "WGL_ARB_pixel_format",
2994 { "wglChoosePixelFormatARB", X11DRV_wglChoosePixelFormatARB },
2995 { "wglGetPixelFormatAttribfvARB", X11DRV_wglGetPixelFormatAttribfvARB },
2996 { "wglGetPixelFormatAttribivARB", X11DRV_wglGetPixelFormatAttribivARB },
3000 static const WineGLExtension WGL_ARB_render_texture =
3002 "WGL_ARB_render_texture",
3004 { "wglBindTexImageARB", X11DRV_wglBindTexImageARB },
3005 { "wglReleaseTexImageARB", X11DRV_wglReleaseTexImageARB },
3009 static const WineGLExtension WGL_EXT_extensions_string =
3011 "WGL_EXT_extensions_string",
3013 { "wglGetExtensionsStringEXT", X11DRV_wglGetExtensionsStringEXT },
3017 static const WineGLExtension WGL_EXT_swap_control =
3019 "WGL_EXT_swap_control",
3021 { "wglSwapIntervalEXT", X11DRV_wglSwapIntervalEXT },
3022 { "wglGetSwapIntervalEXT", X11DRV_wglGetSwapIntervalEXT },
3026 static const WineGLExtension WGL_NV_vertex_array_range =
3028 "WGL_NV_vertex_array_range",
3030 { "wglAllocateMemoryNV", X11DRV_wglAllocateMemoryNV },
3031 { "wglFreeMemoryNV", X11DRV_wglFreeMemoryNV },
3036 * X11DRV_WineGL_LoadExtensions
3038 static void X11DRV_WineGL_LoadExtensions(void)
3040 WineGLInfo.wglExtensions[0] = 0;
3042 /* Load Wine internal functions */
3043 register_extension(&WGL_internal_functions);
3045 /* ARB Extensions */
3047 if(glxRequireExtension("GLX_ARB_fbconfig_float"))
3049 register_extension_string("WGL_ARB_pixel_format_float");
3050 register_extension_string("WGL_ATI_pixel_format_float");
3053 register_extension(&WGL_ARB_extensions_string);
3055 if (glxRequireVersion(3))
3056 register_extension(&WGL_ARB_make_current_read);
3058 if (glxRequireExtension("GLX_ARB_multisample"))
3059 register_extension(&WGL_ARB_multisample);
3061 /* In general pbuffer functionality requires support in the X-server. The functionality is
3062 * available either when the GLX_SGIX_pbuffer is present or when the GLX server version is 1.3.
3063 * All display drivers except for Nvidia's use the GLX module from Xfree86/Xorg which only
3064 * supports GLX 1.2. The endresult is that only Nvidia's drivers support pbuffers.
3066 * The only other drive which has pbuffer support is Ati's FGLRX driver. They provide clientside GLX 1.3 support
3067 * without support in the X-server (which other Mesa based drivers require).
3069 * Support pbuffers when the GLX version is 1.3 and GLX_SGIX_pbuffer is available. Further pbuffers can
3070 * also be supported when GLX_ATI_render_texture is available. This extension depends on pbuffers, so when it
3071 * is available pbuffers must be available too. */
3072 if ( (glxRequireVersion(3) && glxRequireExtension("GLX_SGIX_pbuffer")) || glxRequireExtension("GLX_ATI_render_texture"))
3073 register_extension(&WGL_ARB_pbuffer);
3075 register_extension(&WGL_ARB_pixel_format);
3077 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
3078 if (glxRequireExtension("GLX_ATI_render_texture") ||
3079 glxRequireExtension("GLX_ARB_render_texture") ||
3080 (glxRequireVersion(3) && glxRequireExtension("GLX_SGIX_pbuffer") && use_render_texture_emulation))
3082 register_extension(&WGL_ARB_render_texture);
3084 /* The WGL version of GLX_NV_float_buffer requires render_texture */
3085 if(glxRequireExtension("GLX_NV_float_buffer"))
3086 register_extension_string("WGL_NV_float_buffer");
3088 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
3089 if(strstr(WineGLInfo.glExtensions, "GL_NV_texture_rectangle") != NULL)
3090 register_extension_string("WGL_NV_texture_rectangle");
3093 /* EXT Extensions */
3095 register_extension(&WGL_EXT_extensions_string);
3097 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
3098 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
3099 register_extension(&WGL_EXT_swap_control);
3101 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
3102 if(strstr(WineGLInfo.glExtensions, "GL_NV_vertex_array_range") != NULL)
3103 register_extension(&WGL_NV_vertex_array_range);
3107 static XID create_glxpixmap(X11DRV_PDEVICE *physDev)
3109 GLXPixmap ret;
3110 XVisualInfo *vis;
3111 XVisualInfo template;
3112 int num;
3114 wine_tsx11_lock();
3116 /* Retrieve the visualid from our main visual which is the only visual we can use */
3117 template.visualid = XVisualIDFromVisual(visual);
3118 vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
3120 ret = pglXCreateGLXPixmap(gdi_display, vis, physDev->bitmap->pixmap);
3121 XFree(vis);
3122 wine_tsx11_unlock();
3123 TRACE("return %lx\n", ret);
3124 return ret;
3127 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3129 Drawable ret;
3131 if(physDev->bitmap)
3133 if (physDev->bitmap->hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
3134 ret = physDev->drawable; /* PBuffer */
3135 else
3137 if(!physDev->bitmap->glxpixmap)
3138 physDev->bitmap->glxpixmap = create_glxpixmap(physDev);
3139 ret = physDev->bitmap->glxpixmap;
3142 else
3143 ret = physDev->drawable;
3144 return ret;
3147 BOOL destroy_glxpixmap(XID glxpixmap)
3149 wine_tsx11_lock();
3150 pglXDestroyGLXPixmap(gdi_display, glxpixmap);
3151 wine_tsx11_unlock();
3152 return TRUE;
3156 * X11DRV_SwapBuffers
3158 * Swap the buffers of this DC
3160 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev)
3162 GLXDrawable drawable;
3163 if (!has_opengl()) {
3164 ERR("No libGL on this box - disabling OpenGL support !\n");
3165 return 0;
3168 TRACE_(opengl)("(%p)\n", physDev);
3170 drawable = get_glxdrawable(physDev);
3171 wine_tsx11_lock();
3172 pglXSwapBuffers(gdi_display, drawable);
3173 wine_tsx11_unlock();
3175 /* FPS support */
3176 if (TRACE_ON(fps))
3178 static long prev_time, frames;
3180 DWORD time = GetTickCount();
3181 frames++;
3182 /* every 1.5 seconds */
3183 if (time - prev_time > 1500) {
3184 TRACE_(fps)("@ approx %.2ffps\n", 1000.0*frames/(time - prev_time));
3185 prev_time = time;
3186 frames = 0;
3190 return TRUE;
3193 /***********************************************************************
3194 * X11DRV_setup_opengl_visual
3196 * Setup the default visual used for OpenGL and Direct3D, and the desktop
3197 * window (if it exists). If OpenGL isn't available, the visual is simply
3198 * set to the default visual for the display
3200 XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
3202 XVisualInfo *visual = NULL;
3203 int i;
3205 /* In order to support OpenGL or D3D, we require a double-buffered visual and stencil buffer support,
3206 * D3D and some applications can make use of aux buffers.
3208 int visualProperties[][11] = {
3209 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 24, GLX_STENCIL_SIZE, 8, GLX_ALPHA_SIZE, 8, GLX_AUX_BUFFERS, 1, None },
3210 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 24, GLX_STENCIL_SIZE, 8, GLX_ALPHA_SIZE, 8, None },
3211 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 16, GLX_STENCIL_SIZE, 8, None },
3212 { GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 16, None },
3215 if (!has_opengl())
3216 return NULL;
3218 wine_tsx11_lock();
3219 for (i = 0; i < sizeof(visualProperties)/sizeof(visualProperties[0]); ++i) {
3220 visual = pglXChooseVisual(display, DefaultScreen(display), visualProperties[i]);
3221 if (visual)
3222 break;
3224 wine_tsx11_unlock();
3226 if (visual)
3227 TRACE("Visual ID %lx Chosen\n", visual->visualid);
3228 else
3229 WARN("No suitable visual found\n");
3231 return visual;
3234 #else /* no OpenGL includes */
3236 /***********************************************************************
3237 * ChoosePixelFormat (X11DRV.@)
3239 int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
3240 const PIXELFORMATDESCRIPTOR *ppfd) {
3241 ERR("No OpenGL support compiled in.\n");
3243 return 0;
3246 /***********************************************************************
3247 * DescribePixelFormat (X11DRV.@)
3249 int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
3250 int iPixelFormat,
3251 UINT nBytes,
3252 PIXELFORMATDESCRIPTOR *ppfd) {
3253 ERR("No OpenGL support compiled in.\n");
3255 return 0;
3258 /***********************************************************************
3259 * GetPixelFormat (X11DRV.@)
3261 int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
3262 ERR("No OpenGL support compiled in.\n");
3264 return 0;
3267 /***********************************************************************
3268 * SetPixelFormat (X11DRV.@)
3270 BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
3271 int iPixelFormat,
3272 const PIXELFORMATDESCRIPTOR *ppfd) {
3273 ERR("No OpenGL support compiled in.\n");
3275 return FALSE;
3278 /***********************************************************************
3279 * SwapBuffers (X11DRV.@)
3281 BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev) {
3282 ERR_(opengl)("No OpenGL support compiled in.\n");
3284 return FALSE;
3288 * X11DRV_wglCreateContext
3290 * For OpenGL32 wglCreateContext.
3292 HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev) {
3293 ERR_(opengl)("No OpenGL support compiled in.\n");
3294 return NULL;
3298 * X11DRV_wglDeleteContext
3300 * For OpenGL32 wglDeleteContext.
3302 BOOL X11DRV_wglDeleteContext(HGLRC hglrc) {
3303 ERR_(opengl)("No OpenGL support compiled in.\n");
3304 return FALSE;
3308 * X11DRV_wglGetProcAddress
3310 * For OpenGL32 wglGetProcAddress.
3312 PROC X11DRV_wglGetProcAddress(LPCSTR lpszProc) {
3313 ERR_(opengl)("No OpenGL support compiled in.\n");
3314 return NULL;
3317 HDC X11DRV_wglGetPbufferDCARB(X11DRV_PDEVICE *hDevice, void *hPbuffer)
3319 ERR_(opengl)("No OpenGL support compiled in.\n");
3320 return NULL;
3323 BOOL X11DRV_wglMakeContextCurrentARB(X11DRV_PDEVICE* hDrawDev, X11DRV_PDEVICE* hReadDev, HGLRC hglrc) {
3324 ERR_(opengl)("No OpenGL support compiled in.\n");
3325 return FALSE;
3329 * X11DRV_wglMakeCurrent
3331 * For OpenGL32 wglMakeCurrent.
3333 BOOL X11DRV_wglMakeCurrent(X11DRV_PDEVICE *physDev, HGLRC hglrc) {
3334 ERR_(opengl)("No OpenGL support compiled in.\n");
3335 return FALSE;
3339 * X11DRV_wglShareLists
3341 * For OpenGL32 wglShaderLists.
3343 BOOL X11DRV_wglShareLists(HGLRC hglrc1, HGLRC hglrc2) {
3344 ERR_(opengl)("No OpenGL support compiled in.\n");
3345 return FALSE;
3349 * X11DRV_wglUseFontBitmapsA
3351 * For OpenGL32 wglUseFontBitmapsA.
3353 BOOL X11DRV_wglUseFontBitmapsA(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3355 ERR_(opengl)("No OpenGL support compiled in.\n");
3356 return FALSE;
3360 * X11DRV_wglUseFontBitmapsW
3362 * For OpenGL32 wglUseFontBitmapsW.
3364 BOOL X11DRV_wglUseFontBitmapsW(X11DRV_PDEVICE *physDev, DWORD first, DWORD count, DWORD listBase)
3366 ERR_(opengl)("No OpenGL support compiled in.\n");
3367 return FALSE;
3370 XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
3372 return NULL;
3375 Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
3377 return 0;
3380 BOOL destroy_glxpixmap(XID glxpixmap)
3382 return FALSE;
3385 #endif /* defined(HAVE_OPENGL) */