2 * X11DRV OpenGL functions
4 * Copyright 2000 Lionel Ulmer
5 * Copyright 2005 Alex Woods
6 * Copyright 2005 Raphael Junqueira
7 * Copyright 2006-2009 Roderick Colenbrander
8 * Copyright 2006 Tomas Carnecky
9 * Copyright 2012 Alexandre Julliard
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 #include "wine/port.h"
33 #ifdef HAVE_SYS_SOCKET_H
34 #include <sys/socket.h>
50 #include "xcomposite.h"
52 #include "wine/library.h"
53 #include "wine/debug.h"
55 WINE_DEFAULT_DEBUG_CHANNEL(wgl
);
59 WINE_DECLARE_DEBUG_CHANNEL(winediag
);
61 #include "wine/wgl_driver.h"
62 #include "wine/wglext.h"
64 /* For compatibility with old Mesa headers */
65 #ifndef GLX_SAMPLE_BUFFERS_ARB
66 # define GLX_SAMPLE_BUFFERS_ARB 100000
68 #ifndef GLX_SAMPLES_ARB
69 # define GLX_SAMPLES_ARB 100001
71 #ifndef GL_TEXTURE_CUBE_MAP
72 # define GL_TEXTURE_CUBE_MAP 0x8513
74 #ifndef GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
75 # define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
77 #ifndef GLX_EXT_fbconfig_packed_float
78 # define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
79 # define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008
81 #ifndef GLX_ARB_create_context
82 # define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
83 # define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
84 # define GLX_CONTEXT_FLAGS_ARB 0x2094
86 #ifndef GLX_ARB_create_context_profile
87 # define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
89 /** GLX_ATI_pixel_format_float */
90 #define GLX_RGBA_FLOAT_ATI_BIT 0x00000100
91 /** GLX_ARB_pixel_format_float */
92 #define GLX_RGBA_FLOAT_BIT 0x00000004
93 #define GLX_RGBA_FLOAT_TYPE 0x20B9
94 /** GL_NV_float_buffer */
95 #define GL_FLOAT_R_NV 0x8880
96 #define GL_FLOAT_RG_NV 0x8881
97 #define GL_FLOAT_RGB_NV 0x8882
98 #define GL_FLOAT_RGBA_NV 0x8883
99 #define GL_FLOAT_R16_NV 0x8884
100 #define GL_FLOAT_R32_NV 0x8885
101 #define GL_FLOAT_RG16_NV 0x8886
102 #define GL_FLOAT_RG32_NV 0x8887
103 #define GL_FLOAT_RGB16_NV 0x8888
104 #define GL_FLOAT_RGB32_NV 0x8889
105 #define GL_FLOAT_RGBA16_NV 0x888A
106 #define GL_FLOAT_RGBA32_NV 0x888B
107 #define GL_TEXTURE_FLOAT_COMPONENTS_NV 0x888C
108 #define GL_FLOAT_CLEAR_COLOR_VALUE_NV 0x888D
109 #define GL_FLOAT_RGBA_MODE_NV 0x888E
110 /** GLX_NV_float_buffer */
111 #define GLX_FLOAT_COMPONENTS_NV 0x20B0
115 const char *glVersion
;
120 const char *glxServerVersion
;
121 const char *glxServerVendor
;
122 const char *glxServerExtensions
;
124 const char *glxClientVersion
;
125 const char *glxClientVendor
;
126 const char *glxClientExtensions
;
128 const char *glxExtensions
;
131 char wglExtensions
[4096];
134 struct wgl_pixel_format
136 GLXFBConfig fbconfig
;
139 DWORD dwFlags
; /* We store some PFD_* flags in here for emulated bitmap formats */
145 BOOL has_been_current
;
149 const struct wgl_pixel_format
*fmt
;
150 int numAttribs
; /* This is needed for delaying wglCreateContextAttribsARB */
151 int attribList
[16]; /* This is needed for delaying wglCreateContextAttribsARB */
153 Drawable drawables
[2];
154 BOOL refresh_drawables
;
161 const struct wgl_pixel_format
* fmt
;
165 int use_render_texture
; /* This is also the internal texture format */
166 int texture_bind_target
;
168 GLint texture_format
;
169 GLuint texture_target
;
177 DC_GL_NONE
, /* no GL support (pixel format not set yet) */
178 DC_GL_WINDOW
, /* normal top-level window */
179 DC_GL_CHILD_WIN
, /* child window using XComposite */
180 DC_GL_PIXMAP_WIN
, /* child window using intermediate pixmap */
181 DC_GL_PBUFFER
/* pseudo memory DC using a PBuffer */
186 enum dc_gl_type type
; /* type of GL surface */
187 Drawable drawable
; /* drawable for rendering to the client area */
188 Pixmap pixmap
; /* base pixmap if drawable is a GLXPixmap */
189 Colormap colormap
; /* colormap used for the drawable */
190 const struct wgl_pixel_format
*format
; /* pixel format for the drawable */
191 XVisualInfo
*visual
; /* information about the GL visual */
192 RECT rect
; /* drawable rect, relative to whole window drawable */
195 /* X context to associate a struct gl_drawable to an hwnd */
196 static XContext gl_hwnd_context
;
197 /* X context to associate a struct gl_drawable to a pbuffer hdc */
198 static XContext gl_pbuffer_context
;
200 static const struct gdi_dc_funcs glxdrv_funcs
;
202 static inline struct glx_physdev
*get_glxdrv_dev( PHYSDEV dev
)
204 return (struct glx_physdev
*)dev
;
207 static struct list context_list
= LIST_INIT( context_list
);
208 static struct WineGLInfo WineGLInfo
= { 0 };
209 static struct wgl_pixel_format
*pixel_formats
;
210 static int nb_pixel_formats
, nb_onscreen_formats
;
211 static int use_render_texture_emulation
= 1;
212 static BOOL has_swap_control
;
213 static int swap_interval
= 1;
215 static CRITICAL_SECTION context_section
;
216 static CRITICAL_SECTION_DEBUG critsect_debug
=
218 0, 0, &context_section
,
219 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
220 0, 0, { (DWORD_PTR
)(__FILE__
": context_section") }
222 static CRITICAL_SECTION context_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
224 static struct opengl_funcs opengl_funcs
;
226 #define USE_GL_FUNC(name) #name,
227 static const char *opengl_func_names
[] = { ALL_WGL_FUNCS
};
230 static void X11DRV_WineGL_LoadExtensions(void);
231 static void init_pixel_formats( Display
*display
);
232 static BOOL
glxRequireVersion(int requiredVersion
);
234 static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR
*ppfd
) {
235 TRACE(" - size / version : %d / %d\n", ppfd
->nSize
, ppfd
->nVersion
);
236 TRACE(" - dwFlags : ");
237 #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
238 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DEPTH_DONTCARE
);
239 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER
);
240 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER_DONTCARE
);
241 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_WINDOW
);
242 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_BITMAP
);
243 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_ACCELERATED
);
244 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_FORMAT
);
245 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_PALETTE
);
246 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_SYSTEM_PALETTE
);
247 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO
);
248 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO_DONTCARE
);
249 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_GDI
);
250 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_OPENGL
);
251 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_COPY
);
252 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_EXCHANGE
);
253 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_LAYER_BUFFERS
);
254 /* PFD_SUPPORT_COMPOSITION is new in Vista, it is similar to composition
255 * under X e.g. COMPOSITE + GLX_EXT_TEXTURE_FROM_PIXMAP. */
256 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_COMPOSITION
);
260 TRACE(" - iPixelType : ");
261 switch (ppfd
->iPixelType
) {
262 case PFD_TYPE_RGBA
: TRACE("PFD_TYPE_RGBA"); break;
263 case PFD_TYPE_COLORINDEX
: TRACE("PFD_TYPE_COLORINDEX"); break;
267 TRACE(" - Color : %d\n", ppfd
->cColorBits
);
268 TRACE(" - Red : %d\n", ppfd
->cRedBits
);
269 TRACE(" - Green : %d\n", ppfd
->cGreenBits
);
270 TRACE(" - Blue : %d\n", ppfd
->cBlueBits
);
271 TRACE(" - Alpha : %d\n", ppfd
->cAlphaBits
);
272 TRACE(" - Accum : %d\n", ppfd
->cAccumBits
);
273 TRACE(" - Depth : %d\n", ppfd
->cDepthBits
);
274 TRACE(" - Stencil : %d\n", ppfd
->cStencilBits
);
275 TRACE(" - Aux : %d\n", ppfd
->cAuxBuffers
);
277 TRACE(" - iLayerType : ");
278 switch (ppfd
->iLayerType
) {
279 case PFD_MAIN_PLANE
: TRACE("PFD_MAIN_PLANE"); break;
280 case PFD_OVERLAY_PLANE
: TRACE("PFD_OVERLAY_PLANE"); break;
281 case (BYTE
)PFD_UNDERLAY_PLANE
: TRACE("PFD_UNDERLAY_PLANE"); break;
286 #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0)
287 #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0)
289 #define MAKE_FUNCPTR(f) static typeof(f) * p##f;
291 MAKE_FUNCPTR(glXChooseVisual
)
292 MAKE_FUNCPTR(glXCopyContext
)
293 MAKE_FUNCPTR(glXCreateContext
)
294 MAKE_FUNCPTR(glXCreateGLXPixmap
)
295 MAKE_FUNCPTR(glXGetCurrentContext
)
296 MAKE_FUNCPTR(glXGetCurrentDrawable
)
297 MAKE_FUNCPTR(glXDestroyContext
)
298 MAKE_FUNCPTR(glXDestroyGLXPixmap
)
299 MAKE_FUNCPTR(glXGetConfig
)
300 MAKE_FUNCPTR(glXIsDirect
)
301 MAKE_FUNCPTR(glXMakeCurrent
)
302 MAKE_FUNCPTR(glXSwapBuffers
)
303 MAKE_FUNCPTR(glXQueryExtension
)
304 MAKE_FUNCPTR(glXQueryVersion
)
307 MAKE_FUNCPTR(glXGetClientString
)
308 MAKE_FUNCPTR(glXQueryExtensionsString
)
309 MAKE_FUNCPTR(glXQueryServerString
)
312 MAKE_FUNCPTR(glXGetFBConfigs
)
313 MAKE_FUNCPTR(glXChooseFBConfig
)
314 MAKE_FUNCPTR(glXCreatePbuffer
)
315 MAKE_FUNCPTR(glXCreateNewContext
)
316 MAKE_FUNCPTR(glXDestroyPbuffer
)
317 MAKE_FUNCPTR(glXGetFBConfigAttrib
)
318 MAKE_FUNCPTR(glXGetVisualFromFBConfig
)
319 MAKE_FUNCPTR(glXMakeContextCurrent
)
320 MAKE_FUNCPTR(glXQueryDrawable
)
321 MAKE_FUNCPTR(glXGetCurrentReadDrawable
)
325 static GLXContext (*pglXCreateContextAttribsARB
)(Display
*dpy
, GLXFBConfig config
, GLXContext share_context
, Bool direct
, const int *attrib_list
);
326 static void* (*pglXGetProcAddressARB
)(const GLubyte
*);
327 static int (*pglXSwapIntervalSGI
)(int);
329 /* NV GLX Extension */
330 static void* (*pglXAllocateMemoryNV
)(GLsizei size
, GLfloat readfreq
, GLfloat writefreq
, GLfloat priority
);
331 static void (*pglXFreeMemoryNV
)(GLvoid
*pointer
);
333 /* MESA GLX Extensions */
334 static void (*pglXCopySubBufferMESA
)(Display
*dpy
, GLXDrawable drawable
, int x
, int y
, int width
, int height
);
336 /* Standard OpenGL */
337 static void (*pglFinish
)(void);
338 static void (*pglFlush
)(void);
340 static void wglFinish(void);
341 static void wglFlush(void);
343 /* check if the extension is present in the list */
344 static BOOL
has_extension( const char *list
, const char *ext
)
346 size_t len
= strlen( ext
);
350 while (*list
== ' ') list
++;
351 if (!strncmp( list
, ext
, len
) && (!list
[len
] || list
[len
] == ' ')) return TRUE
;
352 list
= strchr( list
, ' ' );
357 static int GLXErrorHandler(Display
*dpy
, XErrorEvent
*event
, void *arg
)
359 /* In the future we might want to find the exact X or GLX error to report back to the app */
363 static BOOL
X11DRV_WineGL_InitOpenglInfo(void)
365 int screen
= DefaultScreen(gdi_display
);
366 Window win
= 0, root
= 0;
367 const char *gl_renderer
;
370 GLXContext ctx
= NULL
;
371 XSetWindowAttributes attr
;
373 int attribList
[] = {GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
375 attr
.override_redirect
= True
;
376 attr
.colormap
= None
;
377 attr
.border_pixel
= 0;
379 vis
= pglXChooseVisual(gdi_display
, screen
, attribList
);
382 WORD old_fs
= wine_get_fs();
383 /* Create a GLX Context. Without one we can't query GL information */
384 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
385 if (wine_get_fs() != old_fs
)
387 wine_set_fs( old_fs
);
388 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
389 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
393 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
398 root
= RootWindow( gdi_display
, vis
->screen
);
399 if (vis
->visual
!= DefaultVisual( gdi_display
, vis
->screen
))
400 attr
.colormap
= XCreateColormap( gdi_display
, root
, vis
->visual
, AllocNone
);
401 if ((win
= XCreateWindow( gdi_display
, root
, -1, -1, 1, 1, 0, vis
->depth
, InputOutput
,
402 vis
->visual
, CWBorderPixel
| CWOverrideRedirect
| CWColormap
, &attr
)))
403 XMapWindow( gdi_display
, win
);
407 if(pglXMakeCurrent(gdi_display
, win
, ctx
) == 0)
409 ERR_(winediag
)( "Unable to activate OpenGL context, most likely your OpenGL drivers haven't been installed correctly\n" );
412 gl_renderer
= (const char *)opengl_funcs
.gl
.p_glGetString(GL_RENDERER
);
413 WineGLInfo
.glVersion
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_VERSION
);
414 str
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_EXTENSIONS
);
415 WineGLInfo
.glExtensions
= HeapAlloc(GetProcessHeap(), 0, strlen(str
)+1);
416 strcpy(WineGLInfo
.glExtensions
, str
);
418 /* Get the common GLX version supported by GLX client and server ( major/minor) */
419 pglXQueryVersion(gdi_display
, &WineGLInfo
.glxVersion
[0], &WineGLInfo
.glxVersion
[1]);
421 WineGLInfo
.glxServerVersion
= pglXQueryServerString(gdi_display
, screen
, GLX_VERSION
);
422 WineGLInfo
.glxServerVendor
= pglXQueryServerString(gdi_display
, screen
, GLX_VENDOR
);
423 WineGLInfo
.glxServerExtensions
= pglXQueryServerString(gdi_display
, screen
, GLX_EXTENSIONS
);
425 WineGLInfo
.glxClientVersion
= pglXGetClientString(gdi_display
, GLX_VERSION
);
426 WineGLInfo
.glxClientVendor
= pglXGetClientString(gdi_display
, GLX_VENDOR
);
427 WineGLInfo
.glxClientExtensions
= pglXGetClientString(gdi_display
, GLX_EXTENSIONS
);
429 WineGLInfo
.glxExtensions
= pglXQueryExtensionsString(gdi_display
, screen
);
430 WineGLInfo
.glxDirect
= pglXIsDirect(gdi_display
, ctx
);
432 TRACE("GL version : %s.\n", WineGLInfo
.glVersion
);
433 TRACE("GL renderer : %s.\n", gl_renderer
);
434 TRACE("GLX version : %d.%d.\n", WineGLInfo
.glxVersion
[0], WineGLInfo
.glxVersion
[1]);
435 TRACE("Server GLX version : %s.\n", WineGLInfo
.glxServerVersion
);
436 TRACE("Server GLX vendor: : %s.\n", WineGLInfo
.glxServerVendor
);
437 TRACE("Client GLX version : %s.\n", WineGLInfo
.glxClientVersion
);
438 TRACE("Client GLX vendor: : %s.\n", WineGLInfo
.glxClientVendor
);
439 TRACE("Direct rendering enabled: %s\n", WineGLInfo
.glxDirect
? "True" : "False");
441 if(!WineGLInfo
.glxDirect
)
443 int fd
= ConnectionNumber(gdi_display
);
444 struct sockaddr_un uaddr
;
445 unsigned int uaddrlen
= sizeof(struct sockaddr_un
);
447 /* In general indirect rendering on a local X11 server indicates a driver problem.
448 * Detect a local X11 server by checking whether the X11 socket is a Unix socket.
450 if(!getsockname(fd
, (struct sockaddr
*)&uaddr
, &uaddrlen
) && uaddr
.sun_family
== AF_UNIX
)
451 ERR_(winediag
)("Direct rendering is disabled, most likely your OpenGL drivers "
452 "haven't been installed correctly (using GL renderer %s, version %s).\n",
453 debugstr_a(gl_renderer
), debugstr_a(WineGLInfo
.glVersion
));
457 /* In general you would expect that if direct rendering is returned, that you receive hardware
458 * accelerated OpenGL rendering. The definition of direct rendering is that rendering is performed
459 * client side without sending all GL commands to X using the GLX protocol. When Mesa falls back to
460 * software rendering, it shows direct rendering.
462 * Depending on the cause of software rendering a different rendering string is shown. In case Mesa fails
463 * to load a DRI module 'Software Rasterizer' is returned. When Mesa is compiled as a OpenGL reference driver
464 * it shows 'Mesa X11'.
466 if(!strcmp(gl_renderer
, "Software Rasterizer") || !strcmp(gl_renderer
, "Mesa X11"))
467 ERR_(winediag
)("The Mesa OpenGL driver is using software rendering, most likely your OpenGL "
468 "drivers haven't been installed correctly (using GL renderer %s, version %s).\n",
469 debugstr_a(gl_renderer
), debugstr_a(WineGLInfo
.glVersion
));
476 pglXMakeCurrent(gdi_display
, None
, NULL
);
477 pglXDestroyContext(gdi_display
, ctx
);
479 if (win
!= root
) XDestroyWindow( gdi_display
, win
);
480 if (attr
.colormap
) XFreeColormap( gdi_display
, attr
.colormap
);
481 if (!ret
) ERR(" couldn't initialize OpenGL, expect problems\n");
485 static BOOL
has_opengl(void)
487 static int init_done
;
488 static void *opengl_handle
;
491 int error_base
, event_base
;
494 if (init_done
) return (opengl_handle
!= NULL
);
497 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
498 and include all dependencies */
499 opengl_handle
= wine_dlopen(SONAME_LIBGL
, RTLD_NOW
|RTLD_GLOBAL
, buffer
, sizeof(buffer
));
500 if (opengl_handle
== NULL
)
502 ERR( "Failed to load libGL: %s\n", buffer
);
503 ERR( "OpenGL support is disabled.\n");
507 for (i
= 0; i
< sizeof(opengl_func_names
)/sizeof(opengl_func_names
[0]); i
++)
509 if (!(((void **)&opengl_funcs
.gl
)[i
] = wine_dlsym( opengl_handle
, opengl_func_names
[i
], NULL
, 0 )))
511 ERR( "%s not found in libGL, disabling OpenGL.\n", opengl_func_names
[i
] );
516 /* redirect some standard OpenGL functions */
517 #define REDIRECT(func) \
518 do { p##func = opengl_funcs.gl.p_##func; opengl_funcs.gl.p_##func = w##func; } while(0)
519 REDIRECT( glFinish
);
523 pglXGetProcAddressARB
= wine_dlsym(opengl_handle
, "glXGetProcAddressARB", NULL
, 0);
524 if (pglXGetProcAddressARB
== NULL
) {
525 ERR("Could not find glXGetProcAddressARB in libGL, disabling OpenGL.\n");
529 #define LOAD_FUNCPTR(f) do if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) \
531 ERR( "%s not found in libGL, disabling OpenGL.\n", #f ); \
536 LOAD_FUNCPTR(glXChooseVisual
);
537 LOAD_FUNCPTR(glXCopyContext
);
538 LOAD_FUNCPTR(glXCreateContext
);
539 LOAD_FUNCPTR(glXCreateGLXPixmap
);
540 LOAD_FUNCPTR(glXGetCurrentContext
);
541 LOAD_FUNCPTR(glXGetCurrentDrawable
);
542 LOAD_FUNCPTR(glXDestroyContext
);
543 LOAD_FUNCPTR(glXDestroyGLXPixmap
);
544 LOAD_FUNCPTR(glXGetConfig
);
545 LOAD_FUNCPTR(glXIsDirect
);
546 LOAD_FUNCPTR(glXMakeCurrent
);
547 LOAD_FUNCPTR(glXSwapBuffers
);
548 LOAD_FUNCPTR(glXQueryExtension
);
549 LOAD_FUNCPTR(glXQueryVersion
);
552 LOAD_FUNCPTR(glXGetClientString
);
553 LOAD_FUNCPTR(glXQueryExtensionsString
);
554 LOAD_FUNCPTR(glXQueryServerString
);
557 LOAD_FUNCPTR(glXCreatePbuffer
);
558 LOAD_FUNCPTR(glXCreateNewContext
);
559 LOAD_FUNCPTR(glXDestroyPbuffer
);
560 LOAD_FUNCPTR(glXMakeContextCurrent
);
561 LOAD_FUNCPTR(glXGetCurrentReadDrawable
);
562 LOAD_FUNCPTR(glXGetFBConfigs
);
565 /* It doesn't matter if these fail. They'll only be used if the driver reports
566 the associated extension is available (and if a driver reports the extension
567 is available but fails to provide the functions, it's quite broken) */
568 #define LOAD_FUNCPTR(f) p##f = pglXGetProcAddressARB((const GLubyte *)#f)
569 /* ARB GLX Extension */
570 LOAD_FUNCPTR(glXCreateContextAttribsARB
);
571 /* SGI GLX Extension */
572 LOAD_FUNCPTR(glXSwapIntervalSGI
);
573 /* NV GLX Extension */
574 LOAD_FUNCPTR(glXAllocateMemoryNV
);
575 LOAD_FUNCPTR(glXFreeMemoryNV
);
578 if(!X11DRV_WineGL_InitOpenglInfo()) goto failed
;
580 if (pglXQueryExtension(gdi_display
, &error_base
, &event_base
)) {
581 TRACE("GLX is up and running error_base = %d\n", error_base
);
583 ERR( "GLX extension is missing, disabling OpenGL.\n" );
586 gl_hwnd_context
= XUniqueContext();
587 gl_pbuffer_context
= XUniqueContext();
589 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
590 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
593 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
594 * depends on the reported GLX client / server version and on the client / server extension list.
595 * Those don't have to be the same.
597 * In general the server GLX information lists the capabilities in case of indirect rendering.
598 * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are
599 * available and in that case the client GLX informat can be used.
600 * OpenGL programs should use the 'intersection' of both sets of information which is advertised
601 * in the GLX version/extension list. When a program does this it works for certain for both
602 * direct and indirect rendering.
604 * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason
605 * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client
606 * extension list which causes this extension not to be listed. (Wine requires this extension).
607 * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among
608 * pbuffers is around.
610 * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect
611 * the ATI drivers and from then on use GLX client information for them.
614 if(glxRequireVersion(3)) {
615 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
616 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
617 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
618 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
619 } else if (has_extension( WineGLInfo
.glxExtensions
, "GLX_SGIX_fbconfig")) {
620 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfigSGIX");
621 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttribSGIX");
622 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfigSGIX");
624 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
625 * enable this function when the Xserver understand GLX 1.3 or newer
627 pglXQueryDrawable
= NULL
;
628 } else if(strcmp("ATI", WineGLInfo
.glxClientVendor
) == 0) {
629 TRACE("Overriding ATI GLX capabilities!\n");
630 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
631 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
632 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
633 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
635 /* Use client GLX information in case of the ATI drivers. We override the
636 * capabilities over here and not somewhere else as ATI might better their
637 * life in the future. In case they release proper drivers this block of
638 * code won't be called. */
639 WineGLInfo
.glxExtensions
= WineGLInfo
.glxClientExtensions
;
641 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", WineGLInfo
.glxServerVersion
);
644 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_MESA_copy_sub_buffer")) {
645 pglXCopySubBufferMESA
= pglXGetProcAddressARB((const GLubyte
*) "glXCopySubBufferMESA");
648 X11DRV_WineGL_LoadExtensions();
649 init_pixel_formats( gdi_display
);
653 wine_dlclose(opengl_handle
, NULL
, 0);
654 opengl_handle
= NULL
;
658 static int describeContext( struct wgl_context
*ctx
) {
661 TRACE(" Context %p have (vis:%p):\n", ctx
, ctx
->vis
);
662 pglXGetFBConfigAttrib(gdi_display
, ctx
->fmt
->fbconfig
, GLX_FBCONFIG_ID
, &tmp
);
663 TRACE(" - FBCONFIG_ID 0x%x\n", tmp
);
664 pglXGetFBConfigAttrib(gdi_display
, ctx
->fmt
->fbconfig
, GLX_VISUAL_ID
, &tmp
);
665 TRACE(" - VISUAL_ID 0x%x\n", tmp
);
670 static int ConvertAttribWGLtoGLX(const int* iWGLAttr
, int* oGLXAttr
, struct wgl_pbuffer
* pbuf
) {
675 int nvfloatattrib
= GLX_DONT_CARE
;
676 int pixelattrib
= GLX_DONT_CARE
;
678 /* The list of WGL attributes is allowed to be NULL. We don't return here for NULL
679 * because we need to do fixups for GLX_DRAWABLE_TYPE/GLX_RENDER_TYPE/GLX_FLOAT_COMPONENTS_NV. */
680 while (iWGLAttr
&& 0 != iWGLAttr
[cur
]) {
681 TRACE("pAttr[%d] = %x\n", cur
, iWGLAttr
[cur
]);
683 switch (iWGLAttr
[cur
]) {
684 case WGL_AUX_BUFFERS_ARB
:
685 pop
= iWGLAttr
[++cur
];
686 PUSH2(oGLXAttr
, GLX_AUX_BUFFERS
, pop
);
687 TRACE("pAttr[%d] = GLX_AUX_BUFFERS: %d\n", cur
, pop
);
689 case WGL_COLOR_BITS_ARB
:
690 pop
= iWGLAttr
[++cur
];
691 PUSH2(oGLXAttr
, GLX_BUFFER_SIZE
, pop
);
692 TRACE("pAttr[%d] = GLX_BUFFER_SIZE: %d\n", cur
, pop
);
694 case WGL_BLUE_BITS_ARB
:
695 pop
= iWGLAttr
[++cur
];
696 PUSH2(oGLXAttr
, GLX_BLUE_SIZE
, pop
);
697 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur
, pop
);
699 case WGL_RED_BITS_ARB
:
700 pop
= iWGLAttr
[++cur
];
701 PUSH2(oGLXAttr
, GLX_RED_SIZE
, pop
);
702 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur
, pop
);
704 case WGL_GREEN_BITS_ARB
:
705 pop
= iWGLAttr
[++cur
];
706 PUSH2(oGLXAttr
, GLX_GREEN_SIZE
, pop
);
707 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur
, pop
);
709 case WGL_ALPHA_BITS_ARB
:
710 pop
= iWGLAttr
[++cur
];
711 PUSH2(oGLXAttr
, GLX_ALPHA_SIZE
, pop
);
712 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur
, pop
);
714 case WGL_DEPTH_BITS_ARB
:
715 pop
= iWGLAttr
[++cur
];
716 PUSH2(oGLXAttr
, GLX_DEPTH_SIZE
, pop
);
717 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur
, pop
);
719 case WGL_STENCIL_BITS_ARB
:
720 pop
= iWGLAttr
[++cur
];
721 PUSH2(oGLXAttr
, GLX_STENCIL_SIZE
, pop
);
722 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur
, pop
);
724 case WGL_DOUBLE_BUFFER_ARB
:
725 pop
= iWGLAttr
[++cur
];
726 PUSH2(oGLXAttr
, GLX_DOUBLEBUFFER
, pop
);
727 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur
, pop
);
730 pop
= iWGLAttr
[++cur
];
731 PUSH2(oGLXAttr
, GLX_STEREO
, pop
);
732 TRACE("pAttr[%d] = GLX_STEREO: %d\n", cur
, pop
);
735 case WGL_PIXEL_TYPE_ARB
:
736 pop
= iWGLAttr
[++cur
];
737 TRACE("pAttr[%d] = WGL_PIXEL_TYPE_ARB: %d\n", cur
, pop
);
739 case WGL_TYPE_COLORINDEX_ARB
: pixelattrib
= GLX_COLOR_INDEX_BIT
; break ;
740 case WGL_TYPE_RGBA_ARB
: pixelattrib
= GLX_RGBA_BIT
; break ;
741 /* 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 */
742 case WGL_TYPE_RGBA_FLOAT_ATI
: pixelattrib
= GLX_RGBA_FLOAT_BIT
; break ;
743 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
: pixelattrib
= GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
; break ;
745 ERR("unexpected PixelType(%x)\n", pop
);
750 case WGL_SUPPORT_GDI_ARB
:
751 /* This flag is set in a pixel format */
752 pop
= iWGLAttr
[++cur
];
753 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur
, pop
);
756 case WGL_DRAW_TO_BITMAP_ARB
:
757 /* This flag is set in a pixel format */
758 pop
= iWGLAttr
[++cur
];
759 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur
, pop
);
762 case WGL_DRAW_TO_WINDOW_ARB
:
763 pop
= iWGLAttr
[++cur
];
764 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur
, pop
);
765 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
767 drawattrib
|= GLX_WINDOW_BIT
;
771 case WGL_DRAW_TO_PBUFFER_ARB
:
772 pop
= iWGLAttr
[++cur
];
773 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur
, pop
);
774 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
776 drawattrib
|= GLX_PBUFFER_BIT
;
780 case WGL_ACCELERATION_ARB
:
781 /* This flag is set in a pixel format */
782 pop
= iWGLAttr
[++cur
];
783 TRACE("pAttr[%d] = WGL_ACCELERATION_ARB: %d\n", cur
, pop
);
786 case WGL_SUPPORT_OPENGL_ARB
:
787 pop
= iWGLAttr
[++cur
];
788 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
789 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur
, pop
);
792 case WGL_SWAP_METHOD_ARB
:
793 pop
= iWGLAttr
[++cur
];
794 /* For now we ignore this and just return SWAP_EXCHANGE */
795 TRACE("pAttr[%d] = WGL_SWAP_METHOD_ARB: %#x\n", cur
, pop
);
798 case WGL_PBUFFER_LARGEST_ARB
:
799 pop
= iWGLAttr
[++cur
];
800 PUSH2(oGLXAttr
, GLX_LARGEST_PBUFFER
, pop
);
801 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur
, pop
);
804 case WGL_SAMPLE_BUFFERS_ARB
:
805 pop
= iWGLAttr
[++cur
];
806 PUSH2(oGLXAttr
, GLX_SAMPLE_BUFFERS_ARB
, pop
);
807 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur
, pop
);
810 case WGL_SAMPLES_ARB
:
811 pop
= iWGLAttr
[++cur
];
812 PUSH2(oGLXAttr
, GLX_SAMPLES_ARB
, pop
);
813 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur
, pop
);
816 case WGL_TEXTURE_FORMAT_ARB
:
817 case WGL_TEXTURE_TARGET_ARB
:
818 case WGL_MIPMAP_TEXTURE_ARB
:
819 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr
[cur
], iWGLAttr
[cur
+ 1]);
820 pop
= iWGLAttr
[++cur
];
822 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr
[cur
]);
824 if (!use_render_texture_emulation
) {
825 if (WGL_NO_TEXTURE_ARB
!= pop
) {
826 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr
[cur
]);
827 return -1; /** error: don't support it */
829 drawattrib
|= GLX_PBUFFER_BIT
;
833 case WGL_FLOAT_COMPONENTS_NV
:
834 nvfloatattrib
= iWGLAttr
[++cur
];
835 TRACE("pAttr[%d] = WGL_FLOAT_COMPONENTS_NV: %x\n", cur
, nvfloatattrib
);
837 case WGL_BIND_TO_TEXTURE_DEPTH_NV
:
838 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
839 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
840 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV
:
841 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV
:
842 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV
:
843 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV
:
844 pop
= iWGLAttr
[++cur
];
845 /** cannot be converted, see direct handling on
846 * - wglGetPixelFormatAttribivARB
847 * TODO: wglChoosePixelFormat
850 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
851 pop
= iWGLAttr
[++cur
];
852 PUSH2(oGLXAttr
, GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
, pop
);
853 TRACE("pAttr[%d] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT: %x\n", cur
, pop
);
856 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
857 pop
= iWGLAttr
[++cur
];
858 PUSH2(oGLXAttr
, GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
, pop
);
859 TRACE("pAttr[%d] = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT: %x\n", cur
, pop
);
862 FIXME("unsupported %x WGL Attribute\n", iWGLAttr
[cur
]);
868 /* By default glXChooseFBConfig defaults to GLX_WINDOW_BIT. wglChoosePixelFormatARB searches through
869 * all formats. Unless drawattrib is set to a non-zero value override it with GLX_DONT_CARE, so that
870 * pixmap and pbuffer formats appear as well. */
871 if (!drawattrib
) drawattrib
= GLX_DONT_CARE
;
872 PUSH2(oGLXAttr
, GLX_DRAWABLE_TYPE
, drawattrib
);
873 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib
);
875 /* By default glXChooseFBConfig uses GLX_RGBA_BIT as the default value. Since wglChoosePixelFormatARB
876 * searches in all formats we have to do the same. For this reason we set GLX_RENDER_TYPE to
877 * GLX_DONT_CARE unless it is overridden. */
878 PUSH2(oGLXAttr
, GLX_RENDER_TYPE
, pixelattrib
);
879 TRACE("pAttr[?] = GLX_RENDER_TYPE: %#x\n", pixelattrib
);
881 /* Set GLX_FLOAT_COMPONENTS_NV all the time */
882 if (has_extension(WineGLInfo
.glxExtensions
, "GLX_NV_float_buffer")) {
883 PUSH2(oGLXAttr
, GLX_FLOAT_COMPONENTS_NV
, nvfloatattrib
);
884 TRACE("pAttr[?] = GLX_FLOAT_COMPONENTS_NV: %#x\n", nvfloatattrib
);
890 static int get_render_type_from_fbconfig(Display
*display
, GLXFBConfig fbconfig
)
892 int render_type
=0, render_type_bit
;
893 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_RENDER_TYPE
, &render_type_bit
);
894 switch(render_type_bit
)
897 render_type
= GLX_RGBA_TYPE
;
899 case GLX_COLOR_INDEX_BIT
:
900 render_type
= GLX_COLOR_INDEX_TYPE
;
902 case GLX_RGBA_FLOAT_BIT
:
903 render_type
= GLX_RGBA_FLOAT_TYPE
;
905 case GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
:
906 render_type
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
909 ERR("Unknown render_type: %x\n", render_type_bit
);
914 /* Check whether a fbconfig is suitable for Windows-style bitmap rendering */
915 static BOOL
check_fbconfig_bitmap_capability(Display
*display
, GLXFBConfig fbconfig
)
918 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_DOUBLEBUFFER
, &dbuf
);
919 pglXGetFBConfigAttrib(gdi_display
, fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
921 /* Windows only supports bitmap rendering on single buffered formats, further the fbconfig needs to have
922 * the GLX_PIXMAP_BIT set. */
923 return !dbuf
&& (value
& GLX_PIXMAP_BIT
);
926 static void init_pixel_formats( Display
*display
)
928 struct wgl_pixel_format
*list
;
929 int size
= 0, onscreen_size
= 0;
930 int fmt_id
, nCfgs
, i
, run
, bmp_formats
;
932 XVisualInfo
*visinfo
;
934 cfgs
= pglXGetFBConfigs(display
, DefaultScreen(display
), &nCfgs
);
935 if (NULL
== cfgs
|| 0 == nCfgs
) {
936 if(cfgs
!= NULL
) XFree(cfgs
);
937 ERR("glXChooseFBConfig returns NULL\n");
941 /* Bitmap rendering on Windows implies the use of the Microsoft GDI software renderer.
942 * Further most GLX drivers only offer pixmap rendering using indirect rendering (except for modern drivers which support 'AIGLX' / composite).
943 * Indirect rendering can indicate software rendering (on Nvidia it is hw accelerated)
944 * Since bitmap rendering implies the use of software rendering we can safely use indirect rendering for bitmaps.
946 * Below we count the number of formats which are suitable for bitmap rendering. Windows restricts bitmap rendering to single buffered formats.
948 for(i
=0, bmp_formats
=0; i
<nCfgs
; i
++)
950 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
953 TRACE("Found %d bitmap capable fbconfigs\n", bmp_formats
);
955 list
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (nCfgs
+ bmp_formats
) * sizeof(*list
));
957 /* Fill the pixel format list. Put onscreen formats at the top and offscreen ones at the bottom.
958 * Do this as GLX doesn't guarantee that the list is sorted */
959 for(run
=0; run
< 2; run
++)
961 for(i
=0; i
<nCfgs
; i
++) {
962 pglXGetFBConfigAttrib(display
, cfgs
[i
], GLX_FBCONFIG_ID
, &fmt_id
);
963 visinfo
= pglXGetVisualFromFBConfig(display
, cfgs
[i
]);
965 /* The first run we only add onscreen formats (ones which have an associated X Visual).
966 * The second run we only set offscreen formats. */
969 /* We implement child window rendering using offscreen buffers (using composite or an XPixmap).
970 * The contents is copied to the destination using XCopyArea. For the copying to work
971 * the depth of the source and destination window should be the same. In general this should
972 * not be a problem for OpenGL as drivers only advertise formats with a similar depth (or no depth).
973 * As of the introduction of composition managers at least Nvidia now also offers ARGB visuals
974 * with a depth of 32 in addition to the default 24 bit. In order to prevent BadMatch errors we only
975 * list formats with the same depth. */
976 if(visinfo
->depth
!= default_visual
.depth
)
982 TRACE("Found onscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
983 list
[size
].fbconfig
= cfgs
[i
];
984 list
[size
].fmt_id
= fmt_id
;
985 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
986 list
[size
].dwFlags
= 0;
990 /* Clone a format if it is bitmap capable for indirect rendering to bitmaps */
991 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
993 TRACE("Found bitmap capable format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
994 list
[size
].fbconfig
= cfgs
[i
];
995 list
[size
].fmt_id
= fmt_id
;
996 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
997 list
[size
].dwFlags
= PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
| PFD_GENERIC_FORMAT
;
1001 } else if(run
&& !visinfo
) {
1002 int window_drawable
=0;
1003 pglXGetFBConfigAttrib(gdi_display
, cfgs
[i
], GLX_DRAWABLE_TYPE
, &window_drawable
);
1005 /* Recent Nvidia drivers and DRI drivers offer window drawable formats without a visual.
1006 * This are formats like 16-bit rgb on a 24-bit desktop. In order to support these formats
1007 * onscreen we would have to use glXCreateWindow instead of XCreateWindow. Further it will
1008 * likely make our child window opengl rendering more complicated since likely you can't use
1009 * XCopyArea on a GLX Window.
1010 * For now ignore fbconfigs which are window drawable but lack a visual. */
1011 if(window_drawable
& GLX_WINDOW_BIT
)
1013 TRACE("Skipping FBCONFIG_ID 0x%x as an offscreen format because it is window_drawable\n", fmt_id
);
1017 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1018 list
[size
].fbconfig
= cfgs
[i
];
1019 list
[size
].fmt_id
= fmt_id
;
1020 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1021 list
[size
].dwFlags
= 0;
1025 if (visinfo
) XFree(visinfo
);
1031 pixel_formats
= list
;
1032 nb_pixel_formats
= size
;
1033 nb_onscreen_formats
= onscreen_size
;
1036 static inline BOOL
is_valid_pixel_format( int format
)
1038 return format
> 0 && format
<= nb_pixel_formats
;
1041 static inline BOOL
is_onscreen_pixel_format( int format
)
1043 return format
> 0 && format
<= nb_onscreen_formats
;
1046 static inline int pixel_format_index( const struct wgl_pixel_format
*format
)
1048 return format
- pixel_formats
+ 1;
1051 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
1052 * In our WGL implementation we only support a subset of these formats namely the format of
1053 * Wine's main visual and offscreen formats (if they are available).
1054 * This function converts a WGL format to its corresponding GLX one.
1056 static const struct wgl_pixel_format
*get_pixel_format(Display
*display
, int iPixelFormat
, BOOL AllowOffscreen
)
1058 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
1059 * iPixelFormat in case of probing the number of pixelformats.
1061 if (is_valid_pixel_format( iPixelFormat
) &&
1062 (is_onscreen_pixel_format( iPixelFormat
) || AllowOffscreen
)) {
1063 TRACE("Returning fmt_id=%#x for iPixelFormat=%d\n",
1064 pixel_formats
[iPixelFormat
-1].fmt_id
, iPixelFormat
);
1065 return &pixel_formats
[iPixelFormat
-1];
1070 /* Mark any allocated context using the glx drawable 'old' to use 'new' */
1071 static void mark_drawable_dirty(Drawable old
, Drawable
new)
1073 struct wgl_context
*ctx
;
1075 LIST_FOR_EACH_ENTRY( ctx
, &context_list
, struct wgl_context
, entry
)
1077 if (old
== ctx
->drawables
[0]) {
1078 ctx
->drawables
[0] = new;
1079 ctx
->refresh_drawables
= TRUE
;
1081 if (old
== ctx
->drawables
[1]) {
1082 ctx
->drawables
[1] = new;
1083 ctx
->refresh_drawables
= TRUE
;
1088 /* Given the current context, make sure its drawable is sync'd */
1089 static inline void sync_context(struct wgl_context
*context
)
1091 if (context
->refresh_drawables
) {
1092 if (glxRequireVersion(3))
1093 pglXMakeContextCurrent(gdi_display
, context
->drawables
[0],
1094 context
->drawables
[1], context
->ctx
);
1096 pglXMakeCurrent(gdi_display
, context
->drawables
[0], context
->ctx
);
1097 context
->refresh_drawables
= FALSE
;
1101 static struct gl_drawable
*get_gl_drawable( HWND hwnd
, HDC hdc
)
1103 struct gl_drawable
*gl
;
1105 EnterCriticalSection( &context_section
);
1106 if (hwnd
&& !XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
)) return gl
;
1107 if (hdc
&& !XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
)) return gl
;
1108 LeaveCriticalSection( &context_section
);
1112 static void release_gl_drawable( struct gl_drawable
*gl
)
1114 if (gl
) LeaveCriticalSection( &context_section
);
1117 static GLXContext
create_glxcontext(Display
*display
, struct wgl_context
*context
, GLXContext shareList
)
1121 /* We use indirect rendering for rendering to bitmaps. See get_formats for a comment about this. */
1122 BOOL indirect
= !(context
->fmt
->dwFlags
& PFD_DRAW_TO_BITMAP
);
1124 if(context
->gl3_context
)
1126 if(context
->numAttribs
)
1127 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, indirect
, context
->attribList
);
1129 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, indirect
, NULL
);
1131 else if(context
->vis
)
1132 ctx
= pglXCreateContext(gdi_display
, context
->vis
, shareList
, indirect
);
1133 else /* Create a GLX Context for a pbuffer */
1134 ctx
= pglXCreateNewContext(gdi_display
, context
->fmt
->fbconfig
, context
->fmt
->render_type
, shareList
, TRUE
);
1140 /***********************************************************************
1143 static void free_gl_drawable( struct gl_drawable
*gl
)
1148 case DC_GL_CHILD_WIN
:
1149 XDestroyWindow( gdi_display
, gl
->drawable
);
1150 XFreeColormap( gdi_display
, gl
->colormap
);
1152 case DC_GL_PIXMAP_WIN
:
1153 pglXDestroyGLXPixmap( gdi_display
, gl
->drawable
);
1154 XFreePixmap( gdi_display
, gl
->pixmap
);
1159 if (gl
->visual
) XFree( gl
->visual
);
1160 HeapFree( GetProcessHeap(), 0, gl
);
1164 /***********************************************************************
1165 * create_gl_drawable
1167 static BOOL
create_gl_drawable( HWND hwnd
, HWND parent
, struct gl_drawable
*gl
)
1169 XSetWindowAttributes attrib
;
1173 if (GetAncestor( hwnd
, GA_PARENT
) == GetDesktopWindow()) /* top-level window */
1175 Window parent
= X11DRV_get_whole_window( hwnd
);
1177 gl
->type
= DC_GL_WINDOW
;
1178 gl
->colormap
= XCreateColormap( gdi_display
, root_window
, gl
->visual
->visual
,
1179 (gl
->visual
->class == PseudoColor
||
1180 gl
->visual
->class == GrayScale
||
1181 gl
->visual
->class == DirectColor
) ? AllocAll
: AllocNone
);
1182 attrib
.colormap
= gl
->colormap
;
1183 attrib
.bit_gravity
= NorthWestGravity
;
1184 attrib
.win_gravity
= NorthWestGravity
;
1185 attrib
.backing_store
= NotUseful
;
1186 /* put the initial rect outside of the window, it will be moved into place by SetWindowPos */
1187 OffsetRect( &gl
->rect
, gl
->rect
.right
, gl
->rect
.bottom
);
1189 gl
->drawable
= XCreateWindow( gdi_display
, parent
, gl
->rect
.left
, gl
->rect
.top
,
1190 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1191 0, default_visual
.depth
, InputOutput
, gl
->visual
->visual
,
1192 CWBitGravity
| CWWinGravity
| CWBackingStore
| CWColormap
,
1195 XMapWindow( gdi_display
, gl
->drawable
);
1197 XFreeColormap( gdi_display
, gl
->colormap
);
1199 #ifdef SONAME_LIBXCOMPOSITE
1200 else if(usexcomposite
)
1202 static Window dummy_parent
;
1204 attrib
.override_redirect
= True
;
1207 dummy_parent
= XCreateWindow( gdi_display
, root_window
, -1, -1, 1, 1, 0, default_visual
.depth
,
1208 InputOutput
, default_visual
.visual
, CWOverrideRedirect
, &attrib
);
1209 XMapWindow( gdi_display
, dummy_parent
);
1211 gl
->colormap
= XCreateColormap(gdi_display
, dummy_parent
, gl
->visual
->visual
,
1212 (gl
->visual
->class == PseudoColor
||
1213 gl
->visual
->class == GrayScale
||
1214 gl
->visual
->class == DirectColor
) ?
1215 AllocAll
: AllocNone
);
1216 attrib
.colormap
= gl
->colormap
;
1217 XInstallColormap(gdi_display
, attrib
.colormap
);
1219 gl
->type
= DC_GL_CHILD_WIN
;
1220 gl
->drawable
= XCreateWindow( gdi_display
, dummy_parent
, 0, 0,
1221 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1222 0, gl
->visual
->depth
, InputOutput
, gl
->visual
->visual
,
1223 CWColormap
| CWOverrideRedirect
, &attrib
);
1226 pXCompositeRedirectWindow(gdi_display
, gl
->drawable
, CompositeRedirectManual
);
1227 XMapWindow(gdi_display
, gl
->drawable
);
1229 else XFreeColormap( gdi_display
, gl
->colormap
);
1234 WARN("XComposite is not available, using GLXPixmap hack\n");
1236 gl
->type
= DC_GL_PIXMAP_WIN
;
1237 gl
->pixmap
= XCreatePixmap( gdi_display
, root_window
,
1238 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1239 gl
->visual
->depth
);
1242 gl
->drawable
= pglXCreateGLXPixmap( gdi_display
, gl
->visual
, gl
->pixmap
);
1243 if (!gl
->drawable
) XFreePixmap( gdi_display
, gl
->pixmap
);
1247 return gl
->drawable
!= 0;
1251 /***********************************************************************
1254 static BOOL
set_win_format( HWND hwnd
, const struct wgl_pixel_format
*format
)
1256 HWND parent
= GetAncestor( hwnd
, GA_PARENT
);
1257 struct gl_drawable
*gl
, *prev
;
1259 gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) );
1260 gl
->format
= format
;
1261 gl
->visual
= pglXGetVisualFromFBConfig( gdi_display
, format
->fbconfig
);
1264 HeapFree( GetProcessHeap(), 0, gl
);
1268 GetClientRect( hwnd
, &gl
->rect
);
1269 gl
->rect
.right
= min( max( 1, gl
->rect
.right
), 65535 );
1270 gl
->rect
.bottom
= min( max( 1, gl
->rect
.bottom
), 65535 );
1272 if (!create_gl_drawable( hwnd
, parent
, gl
))
1274 XFree( gl
->visual
);
1275 HeapFree( GetProcessHeap(), 0, gl
);
1279 TRACE("created GL drawable %lx for win %p format %x\n", gl
->drawable
, hwnd
, format
->fmt_id
);
1281 XFlush( gdi_display
);
1283 EnterCriticalSection( &context_section
);
1284 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&prev
))
1285 free_gl_drawable( prev
);
1286 XSaveContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char *)gl
);
1287 LeaveCriticalSection( &context_section
);
1289 __wine_set_pixel_format( hwnd
, pixel_format_index( format
));
1293 /***********************************************************************
1296 void sync_gl_drawable( HWND hwnd
, const RECT
*visible_rect
, const RECT
*client_rect
)
1298 struct gl_drawable
*gl
;
1302 XWindowChanges changes
;
1304 changes
.x
= client_rect
->left
- visible_rect
->left
;
1305 changes
.y
= client_rect
->top
- visible_rect
->top
;
1306 changes
.width
= min( max( 1, client_rect
->right
- client_rect
->left
), 65535 );
1307 changes
.height
= min( max( 1, client_rect
->bottom
- client_rect
->top
), 65535 );
1309 if (!(gl
= get_gl_drawable( hwnd
, 0 ))) return;
1311 if (changes
.width
!= gl
->rect
.right
- gl
->rect
.left
) mask
|= CWWidth
;
1312 if (changes
.height
!= gl
->rect
.bottom
- gl
->rect
.top
) mask
|= CWHeight
;
1314 TRACE( "setting drawable %lx pos %d,%d,%dx%d\n",
1315 gl
->drawable
, changes
.x
, changes
.y
, changes
.width
, changes
.height
);
1320 if (changes
.x
!= gl
->rect
.left
) mask
|= CWX
;
1321 if (changes
.y
!= gl
->rect
.top
) mask
|= CWY
;
1323 case DC_GL_CHILD_WIN
:
1324 if (mask
) XConfigureWindow( gdi_display
, gl
->drawable
, mask
, &changes
);
1326 case DC_GL_PIXMAP_WIN
:
1328 pix
= XCreatePixmap(gdi_display
, root_window
, changes
.width
, changes
.height
, gl
->visual
->depth
);
1329 if (!pix
) goto done
;
1330 glxp
= pglXCreateGLXPixmap(gdi_display
, gl
->visual
, pix
);
1333 XFreePixmap(gdi_display
, pix
);
1336 mark_drawable_dirty(gl
->drawable
, glxp
);
1337 XFlush( gdi_display
);
1339 XFreePixmap(gdi_display
, gl
->pixmap
);
1340 pglXDestroyGLXPixmap(gdi_display
, gl
->drawable
);
1341 TRACE( "Recreated GL drawable %lx to replace %lx\n", glxp
, gl
->drawable
);
1344 gl
->drawable
= glxp
;
1349 SetRect( &gl
->rect
, changes
.x
, changes
.y
, changes
.x
+ changes
.width
, changes
.y
+ changes
.height
);
1351 release_gl_drawable( gl
);
1355 /***********************************************************************
1356 * set_gl_drawable_parent
1358 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
1360 struct gl_drawable
*gl
;
1361 Drawable old_drawable
;
1363 if (!(gl
= get_gl_drawable( hwnd
, 0 ))) return;
1365 TRACE( "setting drawable %lx parent %p\n", gl
->drawable
, parent
);
1367 old_drawable
= gl
->drawable
;
1371 XDestroyWindow( gdi_display
, gl
->drawable
);
1372 XFreeColormap( gdi_display
, gl
->colormap
);
1374 case DC_GL_CHILD_WIN
:
1375 if (parent
!= GetDesktopWindow()) goto done
;
1376 XDestroyWindow( gdi_display
, gl
->drawable
);
1377 XFreeColormap( gdi_display
, gl
->colormap
);
1379 case DC_GL_PIXMAP_WIN
:
1380 if (parent
!= GetDesktopWindow()) goto done
;
1381 pglXDestroyGLXPixmap( gdi_display
, gl
->drawable
);
1382 XFreePixmap( gdi_display
, gl
->pixmap
);
1388 if (!create_gl_drawable( hwnd
, parent
, gl
))
1390 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1391 release_gl_drawable( gl
);
1392 XFree( gl
->visual
);
1393 HeapFree( GetProcessHeap(), 0, gl
);
1394 __wine_set_pixel_format( hwnd
, 0 );
1397 mark_drawable_dirty( old_drawable
, gl
->drawable
);
1400 release_gl_drawable( gl
);
1405 /***********************************************************************
1406 * destroy_gl_drawable
1408 void destroy_gl_drawable( HWND hwnd
)
1410 struct gl_drawable
*gl
;
1412 EnterCriticalSection( &context_section
);
1413 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
))
1415 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1416 free_gl_drawable( gl
);
1418 LeaveCriticalSection( &context_section
);
1423 * glxdrv_DescribePixelFormat
1425 * Get the pixel-format descriptor associated to the given id
1427 static int glxdrv_wglDescribePixelFormat( HDC hdc
, int iPixelFormat
,
1428 UINT nBytes
, PIXELFORMATDESCRIPTOR
*ppfd
)
1430 /*XVisualInfo *vis;*/
1433 const struct wgl_pixel_format
*fmt
;
1435 if (!has_opengl()) return 0;
1437 TRACE("(%p,%d,%d,%p)\n", hdc
, iPixelFormat
, nBytes
, ppfd
);
1439 if (!ppfd
) return nb_onscreen_formats
;
1441 /* 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 */
1442 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, FALSE
/* Offscreen */);
1444 WARN("unexpected format %d\n", iPixelFormat
);
1448 if (nBytes
< sizeof(PIXELFORMATDESCRIPTOR
)) {
1449 ERR("Wrong structure size !\n");
1450 /* Should set error */
1454 memset(ppfd
, 0, sizeof(PIXELFORMATDESCRIPTOR
));
1455 ppfd
->nSize
= sizeof(PIXELFORMATDESCRIPTOR
);
1458 /* These flags are always the same... */
1459 ppfd
->dwFlags
= PFD_SUPPORT_OPENGL
;
1460 /* Now the flags extracted from the Visual */
1462 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1463 if(value
& GLX_WINDOW_BIT
)
1464 ppfd
->dwFlags
|= PFD_DRAW_TO_WINDOW
;
1466 /* On Windows bitmap rendering is only offered using the GDI Software renderer. We reserve some formats (see get_formats for more info)
1467 * for bitmap rendering since we require indirect rendering for this. Further pixel format logs of a GeforceFX, Geforce8800GT, Radeon HD3400 and a
1468 * Radeon 9000 indicated that all bitmap formats have PFD_SUPPORT_GDI. Except for 2 formats on the Radeon 9000 none of the hw accelerated formats
1469 * offered the GDI bit either. */
1470 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
);
1472 /* PFD_GENERIC_FORMAT - gdi software rendering
1473 * PFD_GENERIC_ACCELERATED - some parts are accelerated by a display driver (MCD e.g. 3dfx minigl)
1474 * none set - full hardware accelerated by a ICD
1476 * We only set PFD_GENERIC_FORMAT on bitmap formats (see get_formats) as that's what ATI and Nvidia Windows drivers do */
1477 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_GENERIC_FORMAT
| PFD_GENERIC_ACCELERATED
);
1479 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DOUBLEBUFFER
, &value
);
1481 ppfd
->dwFlags
|= PFD_DOUBLEBUFFER
;
1482 ppfd
->dwFlags
&= ~PFD_SUPPORT_GDI
;
1484 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STEREO
, &value
); if (value
) ppfd
->dwFlags
|= PFD_STEREO
;
1487 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RENDER_TYPE
, &value
);
1488 if (value
& GLX_RGBA_BIT
)
1489 ppfd
->iPixelType
= PFD_TYPE_RGBA
;
1491 ppfd
->iPixelType
= PFD_TYPE_COLORINDEX
;
1494 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BUFFER_SIZE
, &value
);
1495 ppfd
->cColorBits
= value
;
1497 /* Red, green, blue and alpha bits / shifts */
1498 if (ppfd
->iPixelType
== PFD_TYPE_RGBA
) {
1499 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RED_SIZE
, &rb
);
1500 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_GREEN_SIZE
, &gb
);
1501 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BLUE_SIZE
, &bb
);
1502 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ALPHA_SIZE
, &ab
);
1504 ppfd
->cRedBits
= rb
;
1505 ppfd
->cRedShift
= gb
+ bb
+ ab
;
1506 ppfd
->cBlueBits
= bb
;
1507 ppfd
->cBlueShift
= ab
;
1508 ppfd
->cGreenBits
= gb
;
1509 ppfd
->cGreenShift
= bb
+ ab
;
1510 ppfd
->cAlphaBits
= ab
;
1511 ppfd
->cAlphaShift
= 0;
1514 ppfd
->cRedShift
= 0;
1515 ppfd
->cBlueBits
= 0;
1516 ppfd
->cBlueShift
= 0;
1517 ppfd
->cGreenBits
= 0;
1518 ppfd
->cGreenShift
= 0;
1519 ppfd
->cAlphaBits
= 0;
1520 ppfd
->cAlphaShift
= 0;
1523 /* Accum RGBA bits */
1524 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &rb
);
1525 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &gb
);
1526 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &bb
);
1527 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &ab
);
1529 ppfd
->cAccumBits
= rb
+gb
+bb
+ab
;
1530 ppfd
->cAccumRedBits
= rb
;
1531 ppfd
->cAccumGreenBits
= gb
;
1532 ppfd
->cAccumBlueBits
= bb
;
1533 ppfd
->cAccumAlphaBits
= ab
;
1536 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_AUX_BUFFERS
, &value
);
1537 ppfd
->cAuxBuffers
= value
;
1540 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DEPTH_SIZE
, &value
);
1541 ppfd
->cDepthBits
= value
;
1544 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STENCIL_SIZE
, &value
);
1545 ppfd
->cStencilBits
= value
;
1547 ppfd
->iLayerType
= PFD_MAIN_PLANE
;
1549 if (TRACE_ON(wgl
)) {
1550 dump_PIXELFORMATDESCRIPTOR(ppfd
);
1553 return nb_onscreen_formats
;
1556 /***********************************************************************
1557 * glxdrv_wglGetPixelFormat
1559 static int glxdrv_wglGetPixelFormat( HDC hdc
)
1561 struct gl_drawable
*gl
;
1564 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1566 ret
= pixel_format_index( gl
->format
);
1567 /* Offscreen formats can't be used with traditional WGL calls.
1568 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1569 if (!is_onscreen_pixel_format( ret
)) ret
= 1;
1570 release_gl_drawable( gl
);
1572 TRACE( "%p -> %d\n", hdc
, ret
);
1576 /***********************************************************************
1577 * glxdrv_wglSetPixelFormat
1579 static BOOL
glxdrv_wglSetPixelFormat( HDC hdc
, int iPixelFormat
, const PIXELFORMATDESCRIPTOR
*ppfd
)
1581 const struct wgl_pixel_format
*fmt
;
1583 struct gl_drawable
*gl
;
1584 HWND hwnd
= WindowFromDC( hdc
);
1586 TRACE("(%p,%d,%p)\n", hdc
, iPixelFormat
, ppfd
);
1588 if (!hwnd
|| hwnd
== GetDesktopWindow())
1590 WARN( "not a proper window DC %p/%p\n", hdc
, hwnd
);
1594 /* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
1595 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, FALSE
/* Offscreen */);
1597 ERR("Invalid iPixelFormat: %d\n", iPixelFormat
);
1601 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1602 if (!(value
& GLX_WINDOW_BIT
))
1604 WARN("Pixel format %d is not compatible for window rendering\n", iPixelFormat
);
1608 if ((gl
= get_gl_drawable( hwnd
, hdc
)))
1610 int prev
= pixel_format_index( gl
->format
);
1611 release_gl_drawable( gl
);
1612 return prev
== iPixelFormat
; /* cannot change it if already set */
1615 if (TRACE_ON(wgl
)) {
1618 gl_test
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_FBCONFIG_ID
, &value
);
1620 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1622 TRACE(" FBConfig have :\n");
1623 TRACE(" - FBCONFIG_ID 0x%x\n", value
);
1624 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_VISUAL_ID
, &value
);
1625 TRACE(" - VISUAL_ID 0x%x\n", value
);
1626 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1627 TRACE(" - DRAWABLE_TYPE 0x%x\n", value
);
1631 return set_win_format( hwnd
, fmt
);
1634 /***********************************************************************
1635 * glxdrv_wglCopyContext
1637 static BOOL
glxdrv_wglCopyContext(struct wgl_context
*src
, struct wgl_context
*dst
, UINT mask
)
1639 TRACE("%p -> %p mask %#x\n", src
, dst
, mask
);
1641 pglXCopyContext(gdi_display
, src
->ctx
, dst
->ctx
, mask
);
1643 /* As opposed to wglCopyContext, glXCopyContext doesn't return anything, so hopefully we passed */
1647 /***********************************************************************
1648 * glxdrv_wglCreateContext
1650 static struct wgl_context
*glxdrv_wglCreateContext( HDC hdc
)
1652 struct wgl_context
*ret
= NULL
;
1653 struct gl_drawable
*gl
;
1655 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1657 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1661 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
1664 ret
->fmt
= gl
->format
;
1665 ret
->vis
= pglXGetVisualFromFBConfig(gdi_display
, gl
->format
->fbconfig
);
1666 ret
->ctx
= create_glxcontext(gdi_display
, ret
, NULL
);
1667 list_add_head( &context_list
, &ret
->entry
);
1669 release_gl_drawable( gl
);
1670 TRACE( "%p -> %p\n", hdc
, ret
);
1674 /***********************************************************************
1675 * glxdrv_wglDeleteContext
1677 static void glxdrv_wglDeleteContext(struct wgl_context
*ctx
)
1679 TRACE("(%p)\n", ctx
);
1681 EnterCriticalSection( &context_section
);
1682 list_remove( &ctx
->entry
);
1683 LeaveCriticalSection( &context_section
);
1685 if (ctx
->ctx
) pglXDestroyContext( gdi_display
, ctx
->ctx
);
1686 if (ctx
->vis
) XFree( ctx
->vis
);
1687 HeapFree( GetProcessHeap(), 0, ctx
);
1690 /***********************************************************************
1691 * glxdrv_wglGetProcAddress
1693 static PROC
glxdrv_wglGetProcAddress(LPCSTR lpszProc
)
1695 if (!strncmp(lpszProc
, "wgl", 3)) return NULL
;
1696 return pglXGetProcAddressARB((const GLubyte
*)lpszProc
);
1699 /***********************************************************************
1700 * glxdrv_wglMakeCurrent
1702 static BOOL
glxdrv_wglMakeCurrent(HDC hdc
, struct wgl_context
*ctx
)
1705 struct gl_drawable
*gl
;
1707 TRACE("(%p,%p)\n", hdc
, ctx
);
1711 pglXMakeCurrent(gdi_display
, None
, NULL
);
1712 NtCurrentTeb()->glContext
= NULL
;
1716 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1718 if (ctx
->fmt
!= gl
->format
)
1720 WARN( "mismatched pixel format hdc %p %p ctx %p %p\n", hdc
, gl
->format
, ctx
, ctx
->fmt
);
1721 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1725 if (TRACE_ON(wgl
)) {
1726 describeContext(ctx
);
1727 TRACE("hdc %p drawable %lx fmt %p ctx %p\n", hdc
, gl
->drawable
, gl
->format
, ctx
->ctx
);
1730 ret
= pglXMakeCurrent(gdi_display
, gl
->drawable
, ctx
->ctx
);
1733 NtCurrentTeb()->glContext
= ctx
;
1734 ctx
->has_been_current
= TRUE
;
1736 ctx
->drawables
[0] = gl
->drawable
;
1737 ctx
->drawables
[1] = gl
->drawable
;
1738 ctx
->refresh_drawables
= FALSE
;
1742 SetLastError( ERROR_INVALID_HANDLE
);
1745 release_gl_drawable( gl
);
1746 TRACE( "%p,%p returning %d\n", hdc
, ctx
, ret
);
1750 /***********************************************************************
1751 * X11DRV_wglMakeContextCurrentARB
1753 static BOOL
X11DRV_wglMakeContextCurrentARB( HDC draw_hdc
, HDC read_hdc
, struct wgl_context
*ctx
)
1756 struct gl_drawable
*draw_gl
, *read_gl
= NULL
;
1758 TRACE("(%p,%p,%p)\n", draw_hdc
, read_hdc
, ctx
);
1762 pglXMakeCurrent(gdi_display
, None
, NULL
);
1763 NtCurrentTeb()->glContext
= NULL
;
1767 if (!pglXMakeContextCurrent
) return FALSE
;
1769 if ((draw_gl
= get_gl_drawable( WindowFromDC( draw_hdc
), draw_hdc
)))
1771 read_gl
= get_gl_drawable( WindowFromDC( read_hdc
), read_hdc
);
1772 ret
= pglXMakeContextCurrent(gdi_display
, draw_gl
->drawable
,
1773 read_gl
? read_gl
->drawable
: 0, ctx
->ctx
);
1776 ctx
->has_been_current
= TRUE
;
1777 ctx
->hdc
= draw_hdc
;
1778 ctx
->drawables
[0] = draw_gl
->drawable
;
1779 ctx
->drawables
[1] = read_gl
? read_gl
->drawable
: 0;
1780 ctx
->refresh_drawables
= FALSE
;
1781 NtCurrentTeb()->glContext
= ctx
;
1785 SetLastError( ERROR_INVALID_HANDLE
);
1787 release_gl_drawable( read_gl
);
1788 release_gl_drawable( draw_gl
);
1789 TRACE( "%p,%p,%p returning %d\n", draw_hdc
, read_hdc
, ctx
, ret
);
1793 /***********************************************************************
1794 * glxdrv_wglShareLists
1796 static BOOL
glxdrv_wglShareLists(struct wgl_context
*org
, struct wgl_context
*dest
)
1798 TRACE("(%p, %p)\n", org
, dest
);
1800 /* Sharing of display lists works differently in GLX and WGL. In case of GLX it is done
1801 * at context creation time but in case of WGL it is done using wglShareLists.
1802 * In the past we tried to emulate wglShareLists by delaying GLX context creation until
1803 * either a wglMakeCurrent or wglShareLists. This worked fine for most apps but it causes
1804 * issues for OpenGL 3 because there wglCreateContextAttribsARB can fail in a lot of cases,
1805 * so there delaying context creation doesn't work.
1807 * The new approach is to create a GLX context in wglCreateContext / wglCreateContextAttribsARB
1808 * and when a program requests sharing we recreate the destination context if it hasn't been made
1809 * current or when it hasn't shared display lists before.
1812 if((org
->has_been_current
&& dest
->has_been_current
) || dest
->has_been_current
)
1814 ERR("Could not share display lists, one of the contexts has been current already !\n");
1817 else if(dest
->sharing
)
1819 ERR("Could not share display lists because hglrc2 has already shared lists before\n");
1824 describeContext(org
);
1825 describeContext(dest
);
1827 /* Re-create the GLX context and share display lists */
1828 pglXDestroyContext(gdi_display
, dest
->ctx
);
1829 dest
->ctx
= create_glxcontext(gdi_display
, dest
, org
->ctx
);
1830 TRACE(" re-created an OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest
->ctx
, dest
, org
->ctx
);
1832 org
->sharing
= TRUE
;
1833 dest
->sharing
= TRUE
;
1839 static void wglFinish(void)
1841 struct x11drv_escape_flush_gl_drawable escape
;
1842 struct gl_drawable
*gl
;
1843 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1845 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1846 escape
.gl_drawable
= 0;
1848 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
1852 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1853 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->drawable
; break;
1857 release_gl_drawable( gl
);
1861 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
1864 static void wglFlush(void)
1866 struct x11drv_escape_flush_gl_drawable escape
;
1867 struct gl_drawable
*gl
;
1868 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1870 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1871 escape
.gl_drawable
= 0;
1873 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
1877 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1878 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->drawable
; break;
1882 release_gl_drawable( gl
);
1886 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
1889 /***********************************************************************
1890 * X11DRV_wglCreateContextAttribsARB
1892 static struct wgl_context
*X11DRV_wglCreateContextAttribsARB( HDC hdc
, struct wgl_context
*hShareContext
,
1893 const int* attribList
)
1895 struct wgl_context
*ret
= NULL
;
1896 struct gl_drawable
*gl
;
1898 TRACE("(%p %p %p)\n", hdc
, hShareContext
, attribList
);
1900 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1902 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1906 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
1909 ret
->fmt
= gl
->format
;
1910 ret
->vis
= NULL
; /* glXCreateContextAttribsARB requires a fbconfig instead of a visual */
1911 ret
->gl3_context
= TRUE
;
1912 ret
->numAttribs
= 0;
1915 int *pContextAttribList
= &ret
->attribList
[0];
1916 /* attribList consists of pairs {token, value] terminated with 0 */
1917 while(attribList
[0] != 0)
1919 TRACE("%#x %#x\n", attribList
[0], attribList
[1]);
1920 switch(attribList
[0])
1922 case WGL_CONTEXT_MAJOR_VERSION_ARB
:
1923 pContextAttribList
[0] = GLX_CONTEXT_MAJOR_VERSION_ARB
;
1924 pContextAttribList
[1] = attribList
[1];
1926 case WGL_CONTEXT_MINOR_VERSION_ARB
:
1927 pContextAttribList
[0] = GLX_CONTEXT_MINOR_VERSION_ARB
;
1928 pContextAttribList
[1] = attribList
[1];
1930 case WGL_CONTEXT_LAYER_PLANE_ARB
:
1932 case WGL_CONTEXT_FLAGS_ARB
:
1933 pContextAttribList
[0] = GLX_CONTEXT_FLAGS_ARB
;
1934 pContextAttribList
[1] = attribList
[1];
1936 case WGL_CONTEXT_PROFILE_MASK_ARB
:
1937 pContextAttribList
[0] = GLX_CONTEXT_PROFILE_MASK_ARB
;
1938 pContextAttribList
[1] = attribList
[1];
1941 ERR("Unhandled attribList pair: %#x %#x\n", attribList
[0], attribList
[1]);
1945 pContextAttribList
+= 2;
1949 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
1950 ret
->ctx
= create_glxcontext(gdi_display
, ret
, NULL
);
1951 XSync(gdi_display
, False
);
1952 if (X11DRV_check_error() || !ret
->ctx
)
1954 /* In the future we should convert the GLX error to a win32 one here if needed */
1955 ERR("Context creation failed\n");
1956 HeapFree( GetProcessHeap(), 0, ret
);
1959 else list_add_head( &context_list
, &ret
->entry
);
1962 release_gl_drawable( gl
);
1963 TRACE( "%p -> %p\n", hdc
, ret
);
1968 * X11DRV_wglGetExtensionsStringARB
1970 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
1972 static const GLubyte
*X11DRV_wglGetExtensionsStringARB(HDC hdc
)
1974 TRACE("() returning \"%s\"\n", WineGLInfo
.wglExtensions
);
1975 return (const GLubyte
*)WineGLInfo
.wglExtensions
;
1979 * X11DRV_wglCreatePbufferARB
1981 * WGL_ARB_pbuffer: wglCreatePbufferARB
1983 static struct wgl_pbuffer
*X11DRV_wglCreatePbufferARB( HDC hdc
, int iPixelFormat
, int iWidth
, int iHeight
,
1984 const int *piAttribList
)
1986 struct wgl_pbuffer
* object
= NULL
;
1987 const struct wgl_pixel_format
*fmt
= NULL
;
1991 TRACE("(%p, %d, %d, %d, %p)\n", hdc
, iPixelFormat
, iWidth
, iHeight
, piAttribList
);
1993 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
1994 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
1996 ERR("(%p): invalid pixel format %d\n", hdc
, iPixelFormat
);
1997 SetLastError(ERROR_INVALID_PIXEL_FORMAT
);
2001 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
2002 if (NULL
== object
) {
2003 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2006 object
->width
= iWidth
;
2007 object
->height
= iHeight
;
2010 PUSH2(attribs
, GLX_PBUFFER_WIDTH
, iWidth
);
2011 PUSH2(attribs
, GLX_PBUFFER_HEIGHT
, iHeight
);
2012 while (piAttribList
&& 0 != *piAttribList
) {
2014 switch (*piAttribList
) {
2015 case WGL_PBUFFER_LARGEST_ARB
: {
2017 attr_v
= *piAttribList
;
2018 TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v
);
2019 PUSH2(attribs
, GLX_LARGEST_PBUFFER
, attr_v
);
2023 case WGL_TEXTURE_FORMAT_ARB
: {
2025 attr_v
= *piAttribList
;
2026 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v
);
2027 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2028 object
->use_render_texture
= 0;
2030 if (!use_render_texture_emulation
) {
2031 SetLastError(ERROR_INVALID_DATA
);
2035 case WGL_TEXTURE_RGB_ARB
:
2036 object
->use_render_texture
= GL_RGB
;
2037 object
->texture_bpp
= 3;
2038 object
->texture_format
= GL_RGB
;
2039 object
->texture_type
= GL_UNSIGNED_BYTE
;
2041 case WGL_TEXTURE_RGBA_ARB
:
2042 object
->use_render_texture
= GL_RGBA
;
2043 object
->texture_bpp
= 4;
2044 object
->texture_format
= GL_RGBA
;
2045 object
->texture_type
= GL_UNSIGNED_BYTE
;
2048 /* WGL_FLOAT_COMPONENTS_NV */
2049 case WGL_TEXTURE_FLOAT_R_NV
:
2050 object
->use_render_texture
= GL_FLOAT_R_NV
;
2051 object
->texture_bpp
= 4;
2052 object
->texture_format
= GL_RED
;
2053 object
->texture_type
= GL_FLOAT
;
2055 case WGL_TEXTURE_FLOAT_RG_NV
:
2056 object
->use_render_texture
= GL_FLOAT_RG_NV
;
2057 object
->texture_bpp
= 8;
2058 object
->texture_format
= GL_LUMINANCE_ALPHA
;
2059 object
->texture_type
= GL_FLOAT
;
2061 case WGL_TEXTURE_FLOAT_RGB_NV
:
2062 object
->use_render_texture
= GL_FLOAT_RGB_NV
;
2063 object
->texture_bpp
= 12;
2064 object
->texture_format
= GL_RGB
;
2065 object
->texture_type
= GL_FLOAT
;
2067 case WGL_TEXTURE_FLOAT_RGBA_NV
:
2068 object
->use_render_texture
= GL_FLOAT_RGBA_NV
;
2069 object
->texture_bpp
= 16;
2070 object
->texture_format
= GL_RGBA
;
2071 object
->texture_type
= GL_FLOAT
;
2074 ERR("Unknown texture format: %x\n", attr_v
);
2075 SetLastError(ERROR_INVALID_DATA
);
2082 case WGL_TEXTURE_TARGET_ARB
: {
2084 attr_v
= *piAttribList
;
2085 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v
);
2086 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2087 object
->texture_target
= 0;
2089 if (!use_render_texture_emulation
) {
2090 SetLastError(ERROR_INVALID_DATA
);
2094 case WGL_TEXTURE_CUBE_MAP_ARB
: {
2095 if (iWidth
!= iHeight
) {
2096 SetLastError(ERROR_INVALID_DATA
);
2099 object
->texture_target
= GL_TEXTURE_CUBE_MAP
;
2100 object
->texture_bind_target
= GL_TEXTURE_BINDING_CUBE_MAP
;
2103 case WGL_TEXTURE_1D_ARB
: {
2105 SetLastError(ERROR_INVALID_DATA
);
2108 object
->texture_target
= GL_TEXTURE_1D
;
2109 object
->texture_bind_target
= GL_TEXTURE_BINDING_1D
;
2112 case WGL_TEXTURE_2D_ARB
: {
2113 object
->texture_target
= GL_TEXTURE_2D
;
2114 object
->texture_bind_target
= GL_TEXTURE_BINDING_2D
;
2117 case WGL_TEXTURE_RECTANGLE_NV
: {
2118 object
->texture_target
= GL_TEXTURE_RECTANGLE_NV
;
2119 object
->texture_bind_target
= GL_TEXTURE_BINDING_RECTANGLE_NV
;
2123 ERR("Unknown texture target: %x\n", attr_v
);
2124 SetLastError(ERROR_INVALID_DATA
);
2131 case WGL_MIPMAP_TEXTURE_ARB
: {
2133 attr_v
= *piAttribList
;
2134 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v
);
2135 if (!use_render_texture_emulation
) {
2136 SetLastError(ERROR_INVALID_DATA
);
2145 PUSH1(attribs
, None
);
2146 object
->drawable
= pglXCreatePbuffer(gdi_display
, fmt
->fbconfig
, attribs
);
2147 TRACE("new Pbuffer drawable as %lx\n", object
->drawable
);
2148 if (!object
->drawable
) {
2149 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2150 goto create_failed
; /* unexpected error */
2152 TRACE("->(%p)\n", object
);
2156 HeapFree(GetProcessHeap(), 0, object
);
2157 TRACE("->(FAILED)\n");
2162 * X11DRV_wglDestroyPbufferARB
2164 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2166 static BOOL
X11DRV_wglDestroyPbufferARB( struct wgl_pbuffer
*object
)
2168 TRACE("(%p)\n", object
);
2170 pglXDestroyPbuffer(gdi_display
, object
->drawable
);
2171 HeapFree(GetProcessHeap(), 0, object
);
2176 * X11DRV_wglGetPbufferDCARB
2178 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2180 static HDC
X11DRV_wglGetPbufferDCARB( struct wgl_pbuffer
*object
)
2182 struct x11drv_escape_set_drawable escape
;
2183 struct gl_drawable
*gl
, *prev
;
2186 hdc
= CreateDCA( "DISPLAY", NULL
, NULL
, NULL
);
2189 if (!(gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) )))
2194 gl
->type
= DC_GL_PBUFFER
;
2195 gl
->drawable
= object
->drawable
;
2196 gl
->format
= object
->fmt
;
2198 EnterCriticalSection( &context_section
);
2199 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&prev
))
2200 free_gl_drawable( prev
);
2201 XSaveContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char *)gl
);
2202 LeaveCriticalSection( &context_section
);
2204 escape
.code
= X11DRV_SET_DRAWABLE
;
2206 escape
.drawable
= object
->drawable
;
2207 escape
.mode
= IncludeInferiors
;
2208 SetRect( &escape
.dc_rect
, 0, 0, object
->width
, object
->height
);
2209 escape
.fbconfig_id
= object
->fmt
->fmt_id
;
2210 ExtEscape( hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2212 TRACE( "(%p)->(%p)\n", object
, hdc
);
2217 * X11DRV_wglQueryPbufferARB
2219 * WGL_ARB_pbuffer: wglQueryPbufferARB
2221 static BOOL
X11DRV_wglQueryPbufferARB( struct wgl_pbuffer
*object
, int iAttribute
, int *piValue
)
2223 TRACE("(%p, 0x%x, %p)\n", object
, iAttribute
, piValue
);
2225 switch (iAttribute
) {
2226 case WGL_PBUFFER_WIDTH_ARB
:
2227 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_WIDTH
, (unsigned int*) piValue
);
2229 case WGL_PBUFFER_HEIGHT_ARB
:
2230 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_HEIGHT
, (unsigned int*) piValue
);
2233 case WGL_PBUFFER_LOST_ARB
:
2234 /* GLX Pbuffers cannot be lost by default. We can support this by
2235 * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent
2236 * to receive pixel buffer clobber events, however that may or may
2237 * not give any benefit */
2238 *piValue
= GL_FALSE
;
2241 case WGL_TEXTURE_FORMAT_ARB
:
2242 if (!object
->use_render_texture
) {
2243 *piValue
= WGL_NO_TEXTURE_ARB
;
2245 if (!use_render_texture_emulation
) {
2246 SetLastError(ERROR_INVALID_HANDLE
);
2249 switch(object
->use_render_texture
) {
2251 *piValue
= WGL_TEXTURE_RGB_ARB
;
2254 *piValue
= WGL_TEXTURE_RGBA_ARB
;
2256 /* WGL_FLOAT_COMPONENTS_NV */
2258 *piValue
= WGL_TEXTURE_FLOAT_R_NV
;
2260 case GL_FLOAT_RG_NV
:
2261 *piValue
= WGL_TEXTURE_FLOAT_RG_NV
;
2263 case GL_FLOAT_RGB_NV
:
2264 *piValue
= WGL_TEXTURE_FLOAT_RGB_NV
;
2266 case GL_FLOAT_RGBA_NV
:
2267 *piValue
= WGL_TEXTURE_FLOAT_RGBA_NV
;
2270 ERR("Unknown texture format: %x\n", object
->use_render_texture
);
2275 case WGL_TEXTURE_TARGET_ARB
:
2276 if (!object
->texture_target
){
2277 *piValue
= WGL_NO_TEXTURE_ARB
;
2279 if (!use_render_texture_emulation
) {
2280 SetLastError(ERROR_INVALID_DATA
);
2283 switch (object
->texture_target
) {
2284 case GL_TEXTURE_1D
: *piValue
= WGL_TEXTURE_1D_ARB
; break;
2285 case GL_TEXTURE_2D
: *piValue
= WGL_TEXTURE_2D_ARB
; break;
2286 case GL_TEXTURE_CUBE_MAP
: *piValue
= WGL_TEXTURE_CUBE_MAP_ARB
; break;
2287 case GL_TEXTURE_RECTANGLE_NV
: *piValue
= WGL_TEXTURE_RECTANGLE_NV
; break;
2292 case WGL_MIPMAP_TEXTURE_ARB
:
2293 *piValue
= GL_FALSE
; /** don't support that */
2294 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute
);
2298 FIXME("unexpected attribute %x\n", iAttribute
);
2306 * X11DRV_wglReleasePbufferDCARB
2308 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2310 static int X11DRV_wglReleasePbufferDCARB( struct wgl_pbuffer
*object
, HDC hdc
)
2312 struct gl_drawable
*gl
;
2314 TRACE("(%p, %p)\n", object
, hdc
);
2316 EnterCriticalSection( &context_section
);
2318 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
))
2320 XDeleteContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
);
2321 free_gl_drawable( gl
);
2325 LeaveCriticalSection( &context_section
);
2327 return hdc
&& DeleteDC(hdc
);
2331 * X11DRV_wglSetPbufferAttribARB
2333 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2335 static BOOL
X11DRV_wglSetPbufferAttribARB( struct wgl_pbuffer
*object
, const int *piAttribList
)
2337 GLboolean ret
= GL_FALSE
;
2339 WARN("(%p, %p): alpha-testing, report any problem\n", object
, piAttribList
);
2341 if (!object
->use_render_texture
) {
2342 SetLastError(ERROR_INVALID_HANDLE
);
2345 if (1 == use_render_texture_emulation
) {
2352 * X11DRV_wglChoosePixelFormatARB
2354 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2356 static BOOL
X11DRV_wglChoosePixelFormatARB( HDC hdc
, const int *piAttribIList
, const FLOAT
*pfAttribFList
,
2357 UINT nMaxFormats
, int *piFormats
, UINT
*nNumFormats
)
2361 GLXFBConfig
* cfgs
= NULL
;
2371 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc
, piAttribIList
, pfAttribFList
, nMaxFormats
, piFormats
, nNumFormats
);
2372 if (NULL
!= pfAttribFList
) {
2373 FIXME("unused pfAttribFList\n");
2376 nAttribs
= ConvertAttribWGLtoGLX(piAttribIList
, attribs
, NULL
);
2377 if (-1 == nAttribs
) {
2378 WARN("Cannot convert WGL to GLX attributes\n");
2381 PUSH1(attribs
, None
);
2383 /* There is no 1:1 mapping between GLX and WGL formats because we duplicate some GLX formats for bitmap rendering (see get_formats).
2384 * Flags like PFD_SUPPORT_GDI, PFD_DRAW_TO_BITMAP and others are a property of the pixel format. We don't query these attributes
2385 * using glXChooseFBConfig but we filter the result of glXChooseFBConfig later on.
2387 for(i
=0; piAttribIList
[i
] != 0; i
+=2)
2389 switch(piAttribIList
[i
])
2391 case WGL_DRAW_TO_BITMAP_ARB
:
2392 if(piAttribIList
[i
+1])
2393 dwFlags
|= PFD_DRAW_TO_BITMAP
;
2395 case WGL_ACCELERATION_ARB
:
2396 switch(piAttribIList
[i
+1])
2398 case WGL_NO_ACCELERATION_ARB
:
2399 dwFlags
|= PFD_GENERIC_FORMAT
;
2401 case WGL_GENERIC_ACCELERATION_ARB
:
2402 dwFlags
|= PFD_GENERIC_ACCELERATED
;
2404 case WGL_FULL_ACCELERATION_ARB
:
2409 case WGL_SUPPORT_GDI_ARB
:
2410 if(piAttribIList
[i
+1])
2411 dwFlags
|= PFD_SUPPORT_GDI
;
2416 /* Search for FB configurations matching the requirements in attribs */
2417 cfgs
= pglXChooseFBConfig(gdi_display
, DefaultScreen(gdi_display
), attribs
, &nCfgs
);
2419 WARN("Compatible Pixel Format not found\n");
2423 /* Loop through all matching formats and check if they are suitable.
2424 * Note that this function should at max return nMaxFormats different formats */
2425 for(run
=0; run
< 2; run
++)
2427 for (it
= 0; it
< nCfgs
&& pfmt_it
< nMaxFormats
; ++it
)
2429 if (pglXGetFBConfigAttrib(gdi_display
, cfgs
[it
], GLX_FBCONFIG_ID
, &fmt_id
))
2431 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2435 /* During the first run we only want onscreen formats and during the second only offscreen */
2436 start
= run
== 1 ? nb_onscreen_formats
: 0;
2437 end
= run
== 1 ? nb_pixel_formats
: nb_onscreen_formats
;
2439 for (i
= start
; i
< end
; i
++)
2441 if (pixel_formats
[i
].fmt_id
== fmt_id
&& (pixel_formats
[i
].dwFlags
& dwFlags
) == dwFlags
)
2443 piFormats
[pfmt_it
++] = i
+ 1;
2444 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n",
2445 it
+ 1, nCfgs
, fmt_id
, piFormats
[pfmt_it
]);
2452 *nNumFormats
= pfmt_it
;
2459 * X11DRV_wglGetPixelFormatAttribivARB
2461 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2463 static BOOL
X11DRV_wglGetPixelFormatAttribivARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2464 UINT nAttributes
, const int *piAttributes
, int *piValues
)
2467 const struct wgl_pixel_format
*fmt
= NULL
;
2472 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, piValues
);
2474 if (0 < iLayerPlane
) {
2475 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane
);
2479 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supported.
2480 * We don't have to fail yet as a program can specify an invalid iPixelFormat (lets say 0) if it wants to query
2481 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2482 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2484 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat
);
2487 for (i
= 0; i
< nAttributes
; ++i
) {
2488 const int curWGLAttr
= piAttributes
[i
];
2489 TRACE("pAttr[%d] = %x\n", i
, curWGLAttr
);
2491 switch (curWGLAttr
) {
2492 case WGL_NUMBER_PIXEL_FORMATS_ARB
:
2493 piValues
[i
] = nb_pixel_formats
;
2496 case WGL_SUPPORT_OPENGL_ARB
:
2497 piValues
[i
] = GL_TRUE
;
2500 case WGL_ACCELERATION_ARB
:
2501 curGLXAttr
= GLX_CONFIG_CAVEAT
;
2502 if (!fmt
) goto pix_error
;
2503 if(fmt
->dwFlags
& PFD_GENERIC_FORMAT
)
2504 piValues
[i
] = WGL_NO_ACCELERATION_ARB
;
2505 else if(fmt
->dwFlags
& PFD_GENERIC_ACCELERATED
)
2506 piValues
[i
] = WGL_GENERIC_ACCELERATION_ARB
;
2508 piValues
[i
] = WGL_FULL_ACCELERATION_ARB
;
2511 case WGL_TRANSPARENT_ARB
:
2512 curGLXAttr
= GLX_TRANSPARENT_TYPE
;
2513 if (!fmt
) goto pix_error
;
2514 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2515 if (hTest
) goto get_error
;
2516 piValues
[i
] = GL_FALSE
;
2517 if (GLX_NONE
!= tmp
) piValues
[i
] = GL_TRUE
;
2520 case WGL_PIXEL_TYPE_ARB
:
2521 curGLXAttr
= GLX_RENDER_TYPE
;
2522 if (!fmt
) goto pix_error
;
2523 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2524 if (hTest
) goto get_error
;
2525 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp
);
2526 if (tmp
& GLX_RGBA_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_ARB
; }
2527 else if (tmp
& GLX_COLOR_INDEX_BIT
) { piValues
[i
] = WGL_TYPE_COLORINDEX_ARB
; }
2528 else if (tmp
& GLX_RGBA_FLOAT_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2529 else if (tmp
& GLX_RGBA_FLOAT_ATI_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2530 else if (tmp
& GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
) { piValues
[i
] = WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
; }
2532 ERR("unexpected RenderType(%x)\n", tmp
);
2533 piValues
[i
] = WGL_TYPE_RGBA_ARB
;
2537 case WGL_COLOR_BITS_ARB
:
2538 curGLXAttr
= GLX_BUFFER_SIZE
;
2541 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
2542 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
2543 if (!use_render_texture_emulation
) {
2544 piValues
[i
] = GL_FALSE
;
2547 curGLXAttr
= GLX_RENDER_TYPE
;
2548 if (!fmt
) goto pix_error
;
2549 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2550 if (hTest
) goto get_error
;
2551 if (GLX_COLOR_INDEX_BIT
== tmp
) {
2552 piValues
[i
] = GL_FALSE
;
2555 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2556 if (hTest
) goto get_error
;
2557 piValues
[i
] = (tmp
& GLX_PBUFFER_BIT
) ? GL_TRUE
: GL_FALSE
;
2560 case WGL_BLUE_BITS_ARB
:
2561 curGLXAttr
= GLX_BLUE_SIZE
;
2563 case WGL_RED_BITS_ARB
:
2564 curGLXAttr
= GLX_RED_SIZE
;
2566 case WGL_GREEN_BITS_ARB
:
2567 curGLXAttr
= GLX_GREEN_SIZE
;
2569 case WGL_ALPHA_BITS_ARB
:
2570 curGLXAttr
= GLX_ALPHA_SIZE
;
2572 case WGL_DEPTH_BITS_ARB
:
2573 curGLXAttr
= GLX_DEPTH_SIZE
;
2575 case WGL_STENCIL_BITS_ARB
:
2576 curGLXAttr
= GLX_STENCIL_SIZE
;
2578 case WGL_DOUBLE_BUFFER_ARB
:
2579 curGLXAttr
= GLX_DOUBLEBUFFER
;
2581 case WGL_STEREO_ARB
:
2582 curGLXAttr
= GLX_STEREO
;
2584 case WGL_AUX_BUFFERS_ARB
:
2585 curGLXAttr
= GLX_AUX_BUFFERS
;
2588 case WGL_SUPPORT_GDI_ARB
:
2589 if (!fmt
) goto pix_error
;
2590 piValues
[i
] = (fmt
->dwFlags
& PFD_SUPPORT_GDI
) != 0;
2593 case WGL_DRAW_TO_BITMAP_ARB
:
2594 if (!fmt
) goto pix_error
;
2595 piValues
[i
] = (fmt
->dwFlags
& PFD_DRAW_TO_BITMAP
) != 0;
2598 case WGL_DRAW_TO_WINDOW_ARB
:
2599 case WGL_DRAW_TO_PBUFFER_ARB
:
2600 if (!fmt
) goto pix_error
;
2601 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2602 if (hTest
) goto get_error
;
2603 if((curWGLAttr
== WGL_DRAW_TO_WINDOW_ARB
&& (tmp
&GLX_WINDOW_BIT
)) ||
2604 (curWGLAttr
== WGL_DRAW_TO_PBUFFER_ARB
&& (tmp
&GLX_PBUFFER_BIT
)))
2605 piValues
[i
] = GL_TRUE
;
2607 piValues
[i
] = GL_FALSE
;
2610 case WGL_SWAP_METHOD_ARB
:
2611 /* For now return SWAP_EXCHANGE_ARB which is the best type of buffer switch available.
2612 * Later on we can also use GLX_OML_swap_method on drivers which support this. At this
2613 * point only ATI offers this.
2615 piValues
[i
] = WGL_SWAP_EXCHANGE_ARB
;
2618 case WGL_PBUFFER_LARGEST_ARB
:
2619 curGLXAttr
= GLX_LARGEST_PBUFFER
;
2622 case WGL_SAMPLE_BUFFERS_ARB
:
2623 curGLXAttr
= GLX_SAMPLE_BUFFERS_ARB
;
2626 case WGL_SAMPLES_ARB
:
2627 curGLXAttr
= GLX_SAMPLES_ARB
;
2630 case WGL_FLOAT_COMPONENTS_NV
:
2631 curGLXAttr
= GLX_FLOAT_COMPONENTS_NV
;
2634 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
2635 curGLXAttr
= GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
;
2638 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
2639 curGLXAttr
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
2642 case WGL_ACCUM_RED_BITS_ARB
:
2643 curGLXAttr
= GLX_ACCUM_RED_SIZE
;
2645 case WGL_ACCUM_GREEN_BITS_ARB
:
2646 curGLXAttr
= GLX_ACCUM_GREEN_SIZE
;
2648 case WGL_ACCUM_BLUE_BITS_ARB
:
2649 curGLXAttr
= GLX_ACCUM_BLUE_SIZE
;
2651 case WGL_ACCUM_ALPHA_BITS_ARB
:
2652 curGLXAttr
= GLX_ACCUM_ALPHA_SIZE
;
2654 case WGL_ACCUM_BITS_ARB
:
2655 if (!fmt
) goto pix_error
;
2656 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &tmp
);
2657 if (hTest
) goto get_error
;
2659 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &tmp
);
2660 if (hTest
) goto get_error
;
2662 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &tmp
);
2663 if (hTest
) goto get_error
;
2665 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &tmp
);
2666 if (hTest
) goto get_error
;
2671 FIXME("unsupported %x WGL Attribute\n", curWGLAttr
);
2674 /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
2675 * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
2676 * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
2678 * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
2679 * and check which options can work using iPixelFormat=0 and which not.
2680 * A problem would be that this function is an extension. This would
2681 * mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
2683 if (0 != curGLXAttr
&& iPixelFormat
!= 0) {
2684 if (!fmt
) goto pix_error
;
2685 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, piValues
+ i
);
2686 if (hTest
) goto get_error
;
2689 piValues
[i
] = GL_FALSE
;
2695 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc
, curGLXAttr
);
2699 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc
, iPixelFormat
, nb_pixel_formats
);
2704 * X11DRV_wglGetPixelFormatAttribfvARB
2706 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2708 static BOOL
X11DRV_wglGetPixelFormatAttribfvARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2709 UINT nAttributes
, const int *piAttributes
, FLOAT
*pfValues
)
2715 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, pfValues
);
2717 /* Allocate a temporary array to store integer values */
2718 attr
= HeapAlloc(GetProcessHeap(), 0, nAttributes
* sizeof(int));
2720 ERR("couldn't allocate %d array\n", nAttributes
);
2724 /* Piggy-back on wglGetPixelFormatAttribivARB */
2725 ret
= X11DRV_wglGetPixelFormatAttribivARB(hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, attr
);
2727 /* Convert integer values to float. Should also check for attributes
2728 that can give decimal values here */
2729 for (i
=0; i
<nAttributes
;i
++) {
2730 pfValues
[i
] = attr
[i
];
2734 HeapFree(GetProcessHeap(), 0, attr
);
2739 * X11DRV_wglBindTexImageARB
2741 * WGL_ARB_render_texture: wglBindTexImageARB
2743 static BOOL
X11DRV_wglBindTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2745 GLboolean ret
= GL_FALSE
;
2747 TRACE("(%p, %d)\n", object
, iBuffer
);
2749 if (!object
->use_render_texture
) {
2750 SetLastError(ERROR_INVALID_HANDLE
);
2754 if (1 == use_render_texture_emulation
) {
2755 static int init
= 0;
2756 int prev_binded_texture
= 0;
2757 GLXContext prev_context
;
2758 Drawable prev_drawable
;
2759 GLXContext tmp_context
;
2761 prev_context
= pglXGetCurrentContext();
2762 prev_drawable
= pglXGetCurrentDrawable();
2764 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2765 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2766 isn't ideal performance wise but I wasn't able to get other ways working.
2769 init
= 1; /* Only show the FIXME once for performance reasons */
2770 FIXME("partial stub!\n");
2773 TRACE("drawable=%lx, context=%p\n", object
->drawable
, prev_context
);
2774 tmp_context
= pglXCreateNewContext(gdi_display
, object
->fmt
->fbconfig
, object
->fmt
->render_type
, prev_context
, True
);
2776 opengl_funcs
.gl
.p_glGetIntegerv(object
->texture_bind_target
, &prev_binded_texture
);
2778 /* Switch to our pbuffer */
2779 pglXMakeCurrent(gdi_display
, object
->drawable
, tmp_context
);
2781 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2782 * After that upload the pbuffer texture data. */
2783 opengl_funcs
.gl
.p_glBindTexture(object
->texture_target
, prev_binded_texture
);
2784 opengl_funcs
.gl
.p_glCopyTexImage2D(object
->texture_target
, 0, object
->use_render_texture
, 0, 0, object
->width
, object
->height
, 0);
2786 /* Switch back to the original drawable and upload the pbuffer-texture */
2787 pglXMakeCurrent(gdi_display
, prev_drawable
, prev_context
);
2788 pglXDestroyContext(gdi_display
, tmp_context
);
2796 * X11DRV_wglReleaseTexImageARB
2798 * WGL_ARB_render_texture: wglReleaseTexImageARB
2800 static BOOL
X11DRV_wglReleaseTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2802 GLboolean ret
= GL_FALSE
;
2804 TRACE("(%p, %d)\n", object
, iBuffer
);
2806 if (!object
->use_render_texture
) {
2807 SetLastError(ERROR_INVALID_HANDLE
);
2810 if (1 == use_render_texture_emulation
) {
2817 * X11DRV_wglGetExtensionsStringEXT
2819 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2821 static const GLubyte
*X11DRV_wglGetExtensionsStringEXT(void)
2823 TRACE("() returning \"%s\"\n", WineGLInfo
.wglExtensions
);
2824 return (const GLubyte
*)WineGLInfo
.wglExtensions
;
2828 * X11DRV_wglGetSwapIntervalEXT
2830 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
2832 static int X11DRV_wglGetSwapIntervalEXT(void)
2834 /* GLX_SGI_swap_control doesn't have any provisions for getting the swap
2835 * interval, so the swap interval has to be tracked. */
2837 return swap_interval
;
2841 * X11DRV_wglSwapIntervalEXT
2843 * WGL_EXT_swap_control: wglSwapIntervalEXT
2845 static BOOL
X11DRV_wglSwapIntervalEXT(int interval
)
2849 TRACE("(%d)\n", interval
);
2853 SetLastError(ERROR_INVALID_DATA
);
2856 else if (!has_swap_control
&& interval
== 0)
2858 /* wglSwapIntervalEXT considers an interval value of zero to mean that
2859 * vsync should be disabled, but glXSwapIntervalSGI considers such a
2860 * value to be an error. Just silently ignore the request for now. */
2861 WARN("Request to disable vertical sync is not handled\n");
2866 if (pglXSwapIntervalSGI
)
2867 ret
= !pglXSwapIntervalSGI(interval
);
2869 WARN("GLX_SGI_swap_control extension is not available\n");
2872 swap_interval
= interval
;
2874 SetLastError(ERROR_DC_NOT_FOUND
);
2881 * X11DRV_wglSetPixelFormatWINE
2883 * WGL_WINE_pixel_format_passthrough: wglSetPixelFormatWINE
2884 * This is a WINE-specific wglSetPixelFormat which can set the pixel format multiple times.
2886 static BOOL
X11DRV_wglSetPixelFormatWINE(HDC hdc
, int format
)
2888 const struct wgl_pixel_format
*fmt
;
2892 TRACE("(%p,%d)\n", hdc
, format
);
2894 fmt
= get_pixel_format(gdi_display
, format
, FALSE
/* Offscreen */);
2897 ERR( "Invalid format %d\n", format
);
2901 hwnd
= WindowFromDC( hdc
);
2902 if (!hwnd
|| hwnd
== GetDesktopWindow())
2904 ERR( "not a valid window DC %p\n", hdc
);
2908 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
2909 if (!(value
& GLX_WINDOW_BIT
))
2911 WARN( "Pixel format %d is not compatible for window rendering\n", format
);
2915 return set_win_format( hwnd
, fmt
);
2919 * glxRequireVersion (internal)
2921 * Check if the supported GLX version matches requiredVersion.
2923 static BOOL
glxRequireVersion(int requiredVersion
)
2925 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
2926 if(requiredVersion
<= WineGLInfo
.glxVersion
[1])
2932 static void register_extension(const char *ext
)
2934 if (WineGLInfo
.wglExtensions
[0])
2935 strcat(WineGLInfo
.wglExtensions
, " ");
2936 strcat(WineGLInfo
.wglExtensions
, ext
);
2938 TRACE("'%s'\n", ext
);
2942 * X11DRV_WineGL_LoadExtensions
2944 static void X11DRV_WineGL_LoadExtensions(void)
2946 WineGLInfo
.wglExtensions
[0] = 0;
2948 /* ARB Extensions */
2950 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_create_context"))
2952 register_extension( "WGL_ARB_create_context" );
2953 opengl_funcs
.ext
.p_wglCreateContextAttribsARB
= X11DRV_wglCreateContextAttribsARB
;
2955 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_create_context_profile"))
2956 register_extension("WGL_ARB_create_context_profile");
2959 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_fbconfig_float"))
2961 register_extension("WGL_ARB_pixel_format_float");
2962 register_extension("WGL_ATI_pixel_format_float");
2965 register_extension( "WGL_ARB_extensions_string" );
2966 opengl_funcs
.ext
.p_wglGetExtensionsStringARB
= X11DRV_wglGetExtensionsStringARB
;
2968 if (glxRequireVersion(3))
2970 register_extension( "WGL_ARB_make_current_read" );
2971 opengl_funcs
.ext
.p_wglGetCurrentReadDCARB
= (void *)1; /* never called */
2972 opengl_funcs
.ext
.p_wglMakeContextCurrentARB
= X11DRV_wglMakeContextCurrentARB
;
2975 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_multisample")) register_extension( "WGL_ARB_multisample" );
2977 /* In general pbuffer functionality requires support in the X-server. The functionality is
2978 * available either when the GLX_SGIX_pbuffer is present or when the GLX server version is 1.3.
2980 if ( glxRequireVersion(3) && has_extension( WineGLInfo
.glxExtensions
, "GLX_SGIX_pbuffer") )
2982 register_extension( "WGL_ARB_pbuffer" );
2983 opengl_funcs
.ext
.p_wglCreatePbufferARB
= X11DRV_wglCreatePbufferARB
;
2984 opengl_funcs
.ext
.p_wglDestroyPbufferARB
= X11DRV_wglDestroyPbufferARB
;
2985 opengl_funcs
.ext
.p_wglGetPbufferDCARB
= X11DRV_wglGetPbufferDCARB
;
2986 opengl_funcs
.ext
.p_wglQueryPbufferARB
= X11DRV_wglQueryPbufferARB
;
2987 opengl_funcs
.ext
.p_wglReleasePbufferDCARB
= X11DRV_wglReleasePbufferDCARB
;
2988 opengl_funcs
.ext
.p_wglSetPbufferAttribARB
= X11DRV_wglSetPbufferAttribARB
;
2991 register_extension( "WGL_ARB_pixel_format" );
2992 opengl_funcs
.ext
.p_wglChoosePixelFormatARB
= X11DRV_wglChoosePixelFormatARB
;
2993 opengl_funcs
.ext
.p_wglGetPixelFormatAttribfvARB
= X11DRV_wglGetPixelFormatAttribfvARB
;
2994 opengl_funcs
.ext
.p_wglGetPixelFormatAttribivARB
= X11DRV_wglGetPixelFormatAttribivARB
;
2996 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
2997 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_render_texture") ||
2998 (glxRequireVersion(3) && has_extension( WineGLInfo
.glxExtensions
, "GLX_SGIX_pbuffer") && use_render_texture_emulation
))
3000 register_extension( "WGL_ARB_render_texture" );
3001 opengl_funcs
.ext
.p_wglBindTexImageARB
= X11DRV_wglBindTexImageARB
;
3002 opengl_funcs
.ext
.p_wglReleaseTexImageARB
= X11DRV_wglReleaseTexImageARB
;
3004 /* The WGL version of GLX_NV_float_buffer requires render_texture */
3005 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_NV_float_buffer"))
3006 register_extension("WGL_NV_float_buffer");
3008 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
3009 if (has_extension(WineGLInfo
.glExtensions
, "GL_NV_texture_rectangle"))
3010 register_extension("WGL_NV_render_texture_rectangle");
3013 /* EXT Extensions */
3015 register_extension( "WGL_EXT_extensions_string" );
3016 opengl_funcs
.ext
.p_wglGetExtensionsStringEXT
= X11DRV_wglGetExtensionsStringEXT
;
3018 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
3019 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
3020 register_extension( "WGL_EXT_swap_control" );
3021 opengl_funcs
.ext
.p_wglSwapIntervalEXT
= X11DRV_wglSwapIntervalEXT
;
3022 opengl_funcs
.ext
.p_wglGetSwapIntervalEXT
= X11DRV_wglGetSwapIntervalEXT
;
3024 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_framebuffer_sRGB"))
3025 register_extension("WGL_EXT_framebuffer_sRGB");
3027 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_fbconfig_packed_float"))
3028 register_extension("WGL_EXT_pixel_format_packed_float");
3030 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_swap_control"))
3031 has_swap_control
= TRUE
;
3033 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
3034 if (has_extension(WineGLInfo
.glExtensions
, "GL_NV_vertex_array_range"))
3036 register_extension( "WGL_NV_vertex_array_range" );
3037 opengl_funcs
.ext
.p_wglAllocateMemoryNV
= pglXAllocateMemoryNV
;
3038 opengl_funcs
.ext
.p_wglFreeMemoryNV
= pglXFreeMemoryNV
;
3041 /* WINE-specific WGL Extensions */
3043 /* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset).
3044 * The default wglSetPixelFormat doesn't allow this, so add our own which allows it.
3046 register_extension( "WGL_WINE_pixel_format_passthrough" );
3047 opengl_funcs
.ext
.p_wglSetPixelFormatWINE
= X11DRV_wglSetPixelFormatWINE
;
3052 * glxdrv_SwapBuffers
3054 * Swap the buffers of this DC
3056 static BOOL
glxdrv_wglSwapBuffers( HDC hdc
)
3058 struct x11drv_escape_flush_gl_drawable escape
;
3059 struct gl_drawable
*gl
;
3060 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
3062 TRACE("(%p)\n", hdc
);
3064 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
3065 escape
.gl_drawable
= 0;
3067 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
3069 SetLastError( ERROR_INVALID_HANDLE
);
3075 case DC_GL_PIXMAP_WIN
:
3076 if (ctx
) sync_context( ctx
);
3077 escape
.gl_drawable
= gl
->pixmap
;
3078 if (pglXCopySubBufferMESA
) {
3079 /* (glX)SwapBuffers has an implicit glFlush effect, however
3080 * GLX_MESA_copy_sub_buffer doesn't. Make sure GL is flushed before
3083 pglXCopySubBufferMESA( gdi_display
, gl
->drawable
, 0, 0,
3084 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
);
3087 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3089 case DC_GL_CHILD_WIN
:
3090 escape
.gl_drawable
= gl
->drawable
;
3093 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3097 release_gl_drawable( gl
);
3099 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
3103 static struct opengl_funcs opengl_funcs
=
3106 glxdrv_wglCopyContext
, /* p_wglCopyContext */
3107 glxdrv_wglCreateContext
, /* p_wglCreateContext */
3108 glxdrv_wglDeleteContext
, /* p_wglDeleteContext */
3109 glxdrv_wglDescribePixelFormat
, /* p_wglDescribePixelFormat */
3110 glxdrv_wglGetPixelFormat
, /* p_wglGetPixelFormat */
3111 glxdrv_wglGetProcAddress
, /* p_wglGetProcAddress */
3112 glxdrv_wglMakeCurrent
, /* p_wglMakeCurrent */
3113 glxdrv_wglSetPixelFormat
, /* p_wglSetPixelFormat */
3114 glxdrv_wglShareLists
, /* p_wglShareLists */
3115 glxdrv_wglSwapBuffers
, /* p_wglSwapBuffers */
3119 struct opengl_funcs
*get_glx_driver( UINT version
)
3121 if (version
!= WINE_WGL_DRIVER_VERSION
)
3123 ERR( "version mismatch, opengl32 wants %u but driver has %u\n", version
, WINE_WGL_DRIVER_VERSION
);
3126 if (has_opengl()) return &opengl_funcs
;
3130 #else /* no OpenGL includes */
3132 struct opengl_funcs
*get_glx_driver( UINT version
)
3137 void sync_gl_drawable( HWND hwnd
, const RECT
*visible_rect
, const RECT
*client_rect
)
3141 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
3145 void destroy_gl_drawable( HWND hwnd
)
3149 #endif /* defined(SONAME_LIBGL) */