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
36 #include <sys/socket.h>
42 #include "xcomposite.h"
44 #include "wine/debug.h"
48 WINE_DEFAULT_DEBUG_CHANNEL(wgl
);
49 WINE_DECLARE_DEBUG_CHANNEL(winediag
);
52 #include "wine/wgl_driver.h"
54 typedef struct __GLXcontextRec
*GLXContext
;
55 typedef struct __GLXFBConfigRec
*GLXFBConfig
;
56 typedef XID GLXPixmap
;
57 typedef XID GLXDrawable
;
58 typedef XID GLXFBConfigID
;
59 typedef XID GLXContextID
;
60 typedef XID GLXWindow
;
61 typedef XID GLXPbuffer
;
64 #define GLX_BUFFER_SIZE 2
67 #define GLX_DOUBLEBUFFER 5
69 #define GLX_AUX_BUFFERS 7
70 #define GLX_RED_SIZE 8
71 #define GLX_GREEN_SIZE 9
72 #define GLX_BLUE_SIZE 10
73 #define GLX_ALPHA_SIZE 11
74 #define GLX_DEPTH_SIZE 12
75 #define GLX_STENCIL_SIZE 13
76 #define GLX_ACCUM_RED_SIZE 14
77 #define GLX_ACCUM_GREEN_SIZE 15
78 #define GLX_ACCUM_BLUE_SIZE 16
79 #define GLX_ACCUM_ALPHA_SIZE 17
81 #define GLX_BAD_SCREEN 1
82 #define GLX_BAD_ATTRIBUTE 2
83 #define GLX_NO_EXTENSION 3
84 #define GLX_BAD_VISUAL 4
85 #define GLX_BAD_CONTEXT 5
86 #define GLX_BAD_VALUE 6
87 #define GLX_BAD_ENUM 7
91 #define GLX_EXTENSIONS 3
93 #define GLX_CONFIG_CAVEAT 0x20
94 #define GLX_DONT_CARE 0xFFFFFFFF
95 #define GLX_X_VISUAL_TYPE 0x22
96 #define GLX_TRANSPARENT_TYPE 0x23
97 #define GLX_TRANSPARENT_INDEX_VALUE 0x24
98 #define GLX_TRANSPARENT_RED_VALUE 0x25
99 #define GLX_TRANSPARENT_GREEN_VALUE 0x26
100 #define GLX_TRANSPARENT_BLUE_VALUE 0x27
101 #define GLX_TRANSPARENT_ALPHA_VALUE 0x28
102 #define GLX_WINDOW_BIT 0x00000001
103 #define GLX_PIXMAP_BIT 0x00000002
104 #define GLX_PBUFFER_BIT 0x00000004
105 #define GLX_AUX_BUFFERS_BIT 0x00000010
106 #define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
107 #define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
108 #define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
109 #define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
110 #define GLX_DEPTH_BUFFER_BIT 0x00000020
111 #define GLX_STENCIL_BUFFER_BIT 0x00000040
112 #define GLX_ACCUM_BUFFER_BIT 0x00000080
113 #define GLX_NONE 0x8000
114 #define GLX_SLOW_CONFIG 0x8001
115 #define GLX_TRUE_COLOR 0x8002
116 #define GLX_DIRECT_COLOR 0x8003
117 #define GLX_PSEUDO_COLOR 0x8004
118 #define GLX_STATIC_COLOR 0x8005
119 #define GLX_GRAY_SCALE 0x8006
120 #define GLX_STATIC_GRAY 0x8007
121 #define GLX_TRANSPARENT_RGB 0x8008
122 #define GLX_TRANSPARENT_INDEX 0x8009
123 #define GLX_VISUAL_ID 0x800B
124 #define GLX_SCREEN 0x800C
125 #define GLX_NON_CONFORMANT_CONFIG 0x800D
126 #define GLX_DRAWABLE_TYPE 0x8010
127 #define GLX_RENDER_TYPE 0x8011
128 #define GLX_X_RENDERABLE 0x8012
129 #define GLX_FBCONFIG_ID 0x8013
130 #define GLX_RGBA_TYPE 0x8014
131 #define GLX_COLOR_INDEX_TYPE 0x8015
132 #define GLX_MAX_PBUFFER_WIDTH 0x8016
133 #define GLX_MAX_PBUFFER_HEIGHT 0x8017
134 #define GLX_MAX_PBUFFER_PIXELS 0x8018
135 #define GLX_PRESERVED_CONTENTS 0x801B
136 #define GLX_LARGEST_PBUFFER 0x801C
137 #define GLX_WIDTH 0x801D
138 #define GLX_HEIGHT 0x801E
139 #define GLX_EVENT_MASK 0x801F
140 #define GLX_DAMAGED 0x8020
141 #define GLX_SAVED 0x8021
142 #define GLX_WINDOW 0x8022
143 #define GLX_PBUFFER 0x8023
144 #define GLX_PBUFFER_HEIGHT 0x8040
145 #define GLX_PBUFFER_WIDTH 0x8041
146 #define GLX_SWAP_METHOD_OML 0x8060
147 #define GLX_SWAP_EXCHANGE_OML 0x8061
148 #define GLX_SWAP_COPY_OML 0x8062
149 #define GLX_SWAP_UNDEFINED_OML 0x8063
150 #define GLX_RGBA_BIT 0x00000001
151 #define GLX_COLOR_INDEX_BIT 0x00000002
152 #define GLX_PBUFFER_CLOBBER_MASK 0x08000000
154 /** GLX_ARB_multisample */
155 #define GLX_SAMPLE_BUFFERS_ARB 100000
156 #define GLX_SAMPLES_ARB 100001
157 /** GLX_ARB_framebuffer_sRGB */
158 #define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
159 /** GLX_EXT_fbconfig_packed_float */
160 #define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
161 #define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008
162 /** GLX_ARB_create_context */
163 #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
164 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
165 #define GLX_CONTEXT_FLAGS_ARB 0x2094
166 /** GLX_ARB_create_context_no_error */
167 #define GLX_CONTEXT_OPENGL_NO_ERROR_ARB 0x31B3
168 /** GLX_ARB_create_context_profile */
169 #define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
170 /** GLX_ATI_pixel_format_float */
171 #define GLX_RGBA_FLOAT_ATI_BIT 0x00000100
172 /** GLX_ARB_pixel_format_float */
173 #define GLX_RGBA_FLOAT_BIT 0x00000004
174 #define GLX_RGBA_FLOAT_TYPE 0x20B9
175 /** GLX_MESA_query_renderer */
176 #define GLX_RENDERER_ID_MESA 0x818E
177 /** GLX_NV_float_buffer */
178 #define GLX_FLOAT_COMPONENTS_NV 0x20B0
181 static char *glExtensions
;
182 static const char *glxExtensions
;
183 static char wglExtensions
[4096];
184 static int glxVersion
[2];
185 static int glx_opcode
;
187 struct glx_pixel_format
189 GLXFBConfig fbconfig
;
193 DWORD dwFlags
; /* We store some PFD_* flags in here for emulated bitmap formats */
199 BOOL has_been_current
;
202 const struct glx_pixel_format
*fmt
;
203 int numAttribs
; /* This is needed for delaying wglCreateContextAttribsARB */
204 int attribList
[16]; /* This is needed for delaying wglCreateContextAttribsARB */
206 struct gl_drawable
*drawables
[2];
207 struct gl_drawable
*new_drawables
[2];
213 DC_GL_NONE
, /* no GL support (pixel format not set yet) */
214 DC_GL_WINDOW
, /* normal top-level window */
215 DC_GL_CHILD_WIN
, /* child window using XComposite */
216 DC_GL_PIXMAP_WIN
, /* child window using intermediate pixmap */
217 DC_GL_PBUFFER
/* pseudo memory DC using a PBuffer */
222 LONG ref
; /* reference count */
223 enum dc_gl_type type
; /* type of GL surface */
225 GLXDrawable drawable
; /* drawable for rendering with GL */
226 Window window
; /* window if drawable is a GLXWindow */
227 Colormap colormap
; /* colormap for the client window */
228 Pixmap pixmap
; /* base pixmap if drawable is a GLXPixmap */
229 const struct glx_pixel_format
*format
; /* pixel format for the drawable */
230 SIZE pixmap_size
; /* pixmap size for GLXPixmap drawables */
232 BOOL refresh_swap_interval
;
238 struct gl_drawable
*gl
;
239 const struct glx_pixel_format
* fmt
;
243 int use_render_texture
; /* This is also the internal texture format */
244 int texture_bind_target
;
246 GLint texture_format
;
247 GLuint texture_target
;
251 GLXContext tmp_context
;
252 GLXContext prev_context
;
256 enum glx_swap_control_method
258 GLX_SWAP_CONTROL_NONE
,
259 GLX_SWAP_CONTROL_EXT
,
260 GLX_SWAP_CONTROL_SGI
,
261 GLX_SWAP_CONTROL_MESA
264 /* X context to associate a struct gl_drawable to an hwnd */
265 static XContext gl_hwnd_context
;
266 /* X context to associate a struct gl_drawable to a pbuffer hdc */
267 static XContext gl_pbuffer_context
;
269 static struct list context_list
= LIST_INIT( context_list
);
270 static struct list pbuffer_list
= LIST_INIT( pbuffer_list
);
271 static struct glx_pixel_format
*pixel_formats
;
272 static int nb_pixel_formats
, nb_onscreen_formats
;
273 static BOOL use_render_texture_emulation
= TRUE
;
275 /* Selects the preferred GLX swap control method for use by wglSwapIntervalEXT */
276 static enum glx_swap_control_method swap_control_method
= GLX_SWAP_CONTROL_NONE
;
277 /* Set when GLX_EXT_swap_control_tear is supported, requires GLX_SWAP_CONTROL_EXT */
278 static BOOL has_swap_control_tear
= FALSE
;
279 static BOOL has_swap_method
= FALSE
;
281 static pthread_mutex_t context_mutex
= PTHREAD_MUTEX_INITIALIZER
;
283 static const BOOL is_win64
= sizeof(void *) > sizeof(int);
285 static struct opengl_funcs opengl_funcs
;
287 #define USE_GL_FUNC(name) #name,
288 static const char *opengl_func_names
[] = { ALL_WGL_FUNCS
};
291 static void X11DRV_WineGL_LoadExtensions(void);
292 static void init_pixel_formats( Display
*display
);
293 static BOOL
glxRequireVersion(int requiredVersion
);
295 static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR
*ppfd
) {
296 TRACE( "size %u version %u flags %u type %u color %u %u,%u,%u,%u "
297 "accum %u depth %u stencil %u aux %u ",
298 ppfd
->nSize
, ppfd
->nVersion
, (int)ppfd
->dwFlags
, ppfd
->iPixelType
,
299 ppfd
->cColorBits
, ppfd
->cRedBits
, ppfd
->cGreenBits
, ppfd
->cBlueBits
, ppfd
->cAlphaBits
,
300 ppfd
->cAccumBits
, ppfd
->cDepthBits
, ppfd
->cStencilBits
, ppfd
->cAuxBuffers
);
301 #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
302 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DEPTH_DONTCARE
);
303 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER
);
304 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER_DONTCARE
);
305 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_WINDOW
);
306 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_BITMAP
);
307 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_ACCELERATED
);
308 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_FORMAT
);
309 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_PALETTE
);
310 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_SYSTEM_PALETTE
);
311 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO
);
312 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO_DONTCARE
);
313 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_GDI
);
314 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_OPENGL
);
315 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_COPY
);
316 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_EXCHANGE
);
317 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_LAYER_BUFFERS
);
318 /* PFD_SUPPORT_COMPOSITION is new in Vista, it is similar to composition
319 * under X e.g. COMPOSITE + GLX_EXT_TEXTURE_FROM_PIXMAP. */
320 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_COMPOSITION
);
325 #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0)
326 #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0)
329 static XVisualInfo
* (*pglXChooseVisual
)( Display
*dpy
, int screen
, int *attribList
);
330 static GLXContext (*pglXCreateContext
)( Display
*dpy
, XVisualInfo
*vis
, GLXContext shareList
, Bool direct
);
331 static void (*pglXDestroyContext
)( Display
*dpy
, GLXContext ctx
);
332 static Bool (*pglXMakeCurrent
)( Display
*dpy
, GLXDrawable drawable
, GLXContext ctx
);
333 static void (*pglXCopyContext
)( Display
*dpy
, GLXContext src
, GLXContext dst
, unsigned long mask
);
334 static void (*pglXSwapBuffers
)( Display
*dpy
, GLXDrawable drawable
);
335 static Bool (*pglXQueryVersion
)( Display
*dpy
, int *maj
, int *min
);
336 static Bool (*pglXIsDirect
)( Display
*dpy
, GLXContext ctx
);
337 static GLXContext (*pglXGetCurrentContext
)( void );
338 static GLXDrawable (*pglXGetCurrentDrawable
)( void );
341 static const char *(*pglXQueryExtensionsString
)( Display
*dpy
, int screen
);
342 static const char *(*pglXQueryServerString
)( Display
*dpy
, int screen
, int name
);
343 static const char *(*pglXGetClientString
)( Display
*dpy
, int name
);
346 static GLXFBConfig
*(*pglXChooseFBConfig
)( Display
*dpy
, int screen
, const int *attribList
, int *nitems
);
347 static int (*pglXGetFBConfigAttrib
)( Display
*dpy
, GLXFBConfig config
, int attribute
, int *value
);
348 static GLXFBConfig
*(*pglXGetFBConfigs
)( Display
*dpy
, int screen
, int *nelements
);
349 static XVisualInfo
*(*pglXGetVisualFromFBConfig
)( Display
*dpy
, GLXFBConfig config
);
350 static GLXPbuffer (*pglXCreatePbuffer
)( Display
*dpy
, GLXFBConfig config
, const int *attribList
);
351 static void (*pglXDestroyPbuffer
)( Display
*dpy
, GLXPbuffer pbuf
);
352 static void (*pglXQueryDrawable
)( Display
*dpy
, GLXDrawable draw
, int attribute
, unsigned int *value
);
353 static GLXContext (*pglXCreateNewContext
)( Display
*dpy
, GLXFBConfig config
, int renderType
, GLXContext shareList
, Bool direct
);
354 static Bool (*pglXMakeContextCurrent
)( Display
*dpy
, GLXDrawable draw
, GLXDrawable read
, GLXContext ctx
);
355 static GLXPixmap (*pglXCreatePixmap
)( Display
*dpy
, GLXFBConfig config
, Pixmap pixmap
, const int *attrib_list
);
356 static void (*pglXDestroyPixmap
)( Display
*dpy
, GLXPixmap pixmap
);
357 static GLXWindow (*pglXCreateWindow
)( Display
*dpy
, GLXFBConfig config
, Window win
, const int *attrib_list
);
358 static void (*pglXDestroyWindow
)( Display
*dpy
, GLXWindow win
);
361 static GLXContext (*pglXCreateContextAttribsARB
)(Display
*dpy
, GLXFBConfig config
, GLXContext share_context
, Bool direct
, const int *attrib_list
);
362 static void* (*pglXGetProcAddressARB
)(const GLubyte
*);
363 static void (*pglXSwapIntervalEXT
)(Display
*dpy
, GLXDrawable drawable
, int interval
);
364 static int (*pglXSwapIntervalSGI
)(int);
366 /* NV GLX Extension */
367 static void* (*pglXAllocateMemoryNV
)(GLsizei size
, GLfloat readfreq
, GLfloat writefreq
, GLfloat priority
);
368 static void (*pglXFreeMemoryNV
)(GLvoid
*pointer
);
370 /* MESA GLX Extensions */
371 static void (*pglXCopySubBufferMESA
)(Display
*dpy
, GLXDrawable drawable
, int x
, int y
, int width
, int height
);
372 static int (*pglXSwapIntervalMESA
)(unsigned int interval
);
373 static Bool (*pglXQueryCurrentRendererIntegerMESA
)(int attribute
, unsigned int *value
);
374 static const char *(*pglXQueryCurrentRendererStringMESA
)(int attribute
);
375 static Bool (*pglXQueryRendererIntegerMESA
)(Display
*dpy
, int screen
, int renderer
, int attribute
, unsigned int *value
);
376 static const char *(*pglXQueryRendererStringMESA
)(Display
*dpy
, int screen
, int renderer
, int attribute
);
378 /* OpenML GLX Extensions */
379 static Bool (*pglXWaitForSbcOML
)( Display
*dpy
, GLXDrawable drawable
,
380 INT64 target_sbc
, INT64
*ust
, INT64
*msc
, INT64
*sbc
);
381 static INT64 (*pglXSwapBuffersMscOML
)( Display
*dpy
, GLXDrawable drawable
,
382 INT64 target_msc
, INT64 divisor
, INT64 remainder
);
384 /* Standard OpenGL */
385 static void (*pglFinish
)(void);
386 static void (*pglFlush
)(void);
387 static const GLubyte
*(*pglGetString
)(GLenum name
);
389 static void wglFinish(void);
390 static void wglFlush(void);
391 static const GLubyte
*wglGetString(GLenum name
);
393 /* check if the extension is present in the list */
394 static BOOL
has_extension( const char *list
, const char *ext
)
396 size_t len
= strlen( ext
);
400 while (*list
== ' ') list
++;
401 if (!strncmp( list
, ext
, len
) && (!list
[len
] || list
[len
] == ' ')) return TRUE
;
402 list
= strchr( list
, ' ' );
407 static int GLXErrorHandler(Display
*dpy
, XErrorEvent
*event
, void *arg
)
409 /* In the future we might want to find the exact X or GLX error to report back to the app */
410 if (event
->request_code
!= glx_opcode
)
415 static BOOL
X11DRV_WineGL_InitOpenglInfo(void)
417 static const char legacy_extensions
[] = " WGL_EXT_extensions_string WGL_EXT_swap_control";
419 int screen
= DefaultScreen(gdi_display
);
420 Window win
= 0, root
= 0;
421 const char *gl_version
;
422 const char *gl_renderer
;
426 GLXContext ctx
= NULL
;
427 XSetWindowAttributes attr
;
429 int attribList
[] = {GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
431 attr
.override_redirect
= True
;
432 attr
.colormap
= None
;
433 attr
.border_pixel
= 0;
435 vis
= pglXChooseVisual(gdi_display
, screen
, attribList
);
439 __asm__( "mov %%fs,%0" : "=r" (old_fs
) );
440 /* Create a GLX Context. Without one we can't query GL information */
441 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
442 __asm__( "mov %%fs,%0" : "=r" (new_fs
) );
443 __asm__( "mov %0,%%fs" :: "r" (old_fs
) );
444 if (old_fs
!= new_fs
)
446 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
447 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
451 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
456 root
= RootWindow( gdi_display
, vis
->screen
);
457 if (vis
->visual
!= DefaultVisual( gdi_display
, vis
->screen
))
458 attr
.colormap
= XCreateColormap( gdi_display
, root
, vis
->visual
, AllocNone
);
459 if ((win
= XCreateWindow( gdi_display
, root
, -1, -1, 1, 1, 0, vis
->depth
, InputOutput
,
460 vis
->visual
, CWBorderPixel
| CWOverrideRedirect
| CWColormap
, &attr
)))
461 XMapWindow( gdi_display
, win
);
465 if(pglXMakeCurrent(gdi_display
, win
, ctx
) == 0)
467 ERR_(winediag
)( "Unable to activate OpenGL context, most likely your %s OpenGL drivers haven't been "
468 "installed correctly\n", is_win64
? "64-bit" : "32-bit" );
471 gl_renderer
= (const char *)opengl_funcs
.gl
.p_glGetString(GL_RENDERER
);
472 gl_version
= (const char *)opengl_funcs
.gl
.p_glGetString(GL_VERSION
);
473 str
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_EXTENSIONS
);
474 glExtensions
= malloc( strlen(str
) + sizeof(legacy_extensions
) );
475 strcpy(glExtensions
, str
);
476 strcat(glExtensions
, legacy_extensions
);
478 /* Get the common GLX version supported by GLX client and server ( major/minor) */
479 pglXQueryVersion(gdi_display
, &glxVersion
[0], &glxVersion
[1]);
481 glxExtensions
= pglXQueryExtensionsString(gdi_display
, screen
);
482 glx_direct
= pglXIsDirect(gdi_display
, ctx
);
484 TRACE("GL version : %s.\n", gl_version
);
485 TRACE("GL renderer : %s.\n", gl_renderer
);
486 TRACE("GLX version : %d.%d.\n", glxVersion
[0], glxVersion
[1]);
487 TRACE("Server GLX version : %s.\n", pglXQueryServerString(gdi_display
, screen
, GLX_VERSION
));
488 TRACE("Server GLX vendor: : %s.\n", pglXQueryServerString(gdi_display
, screen
, GLX_VENDOR
));
489 TRACE("Client GLX version : %s.\n", pglXGetClientString(gdi_display
, GLX_VERSION
));
490 TRACE("Client GLX vendor: : %s.\n", pglXGetClientString(gdi_display
, GLX_VENDOR
));
491 TRACE("Direct rendering enabled: %s\n", glx_direct
? "True" : "False");
495 int fd
= ConnectionNumber(gdi_display
);
496 struct sockaddr_un uaddr
;
497 unsigned int uaddrlen
= sizeof(struct sockaddr_un
);
499 /* In general indirect rendering on a local X11 server indicates a driver problem.
500 * Detect a local X11 server by checking whether the X11 socket is a Unix socket.
502 if(!getsockname(fd
, (struct sockaddr
*)&uaddr
, &uaddrlen
) && uaddr
.sun_family
== AF_UNIX
)
503 ERR_(winediag
)("Direct rendering is disabled, most likely your %s OpenGL drivers "
504 "haven't been installed correctly (using GL renderer %s, version %s).\n",
505 is_win64
? "64-bit" : "32-bit", debugstr_a(gl_renderer
),
506 debugstr_a(gl_version
));
510 /* In general you would expect that if direct rendering is returned, that you receive hardware
511 * accelerated OpenGL rendering. The definition of direct rendering is that rendering is performed
512 * client side without sending all GL commands to X using the GLX protocol. When Mesa falls back to
513 * software rendering, it shows direct rendering.
515 * Depending on the cause of software rendering a different rendering string is shown. In case Mesa fails
516 * to load a DRI module 'Software Rasterizer' is returned. When Mesa is compiled as a OpenGL reference driver
517 * it shows 'Mesa X11'.
519 if(!strcmp(gl_renderer
, "Software Rasterizer") || !strcmp(gl_renderer
, "Mesa X11"))
520 ERR_(winediag
)("The Mesa OpenGL driver is using software rendering, most likely your %s OpenGL "
521 "drivers haven't been installed correctly (using GL renderer %s, version %s).\n",
522 is_win64
? "64-bit" : "32-bit", debugstr_a(gl_renderer
),
523 debugstr_a(gl_version
));
530 pglXMakeCurrent(gdi_display
, None
, NULL
);
531 pglXDestroyContext(gdi_display
, ctx
);
533 if (win
!= root
) XDestroyWindow( gdi_display
, win
);
534 if (attr
.colormap
) XFreeColormap( gdi_display
, attr
.colormap
);
535 if (!ret
) ERR(" couldn't initialize OpenGL, expect problems\n");
539 static void *opengl_handle
;
541 static void init_opengl(void)
543 int error_base
, event_base
;
546 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
547 and include all dependencies */
548 opengl_handle
= dlopen( SONAME_LIBGL
, RTLD_NOW
| RTLD_GLOBAL
);
549 if (opengl_handle
== NULL
)
551 ERR( "Failed to load libGL: %s\n", dlerror() );
552 ERR( "OpenGL support is disabled.\n");
556 for (i
= 0; i
< ARRAY_SIZE( opengl_func_names
); i
++)
558 if (!(((void **)&opengl_funcs
.gl
)[i
] = dlsym( opengl_handle
, opengl_func_names
[i
] )))
560 ERR( "%s not found in libGL, disabling OpenGL.\n", opengl_func_names
[i
] );
565 /* redirect some standard OpenGL functions */
566 #define REDIRECT(func) \
567 do { p##func = opengl_funcs.gl.p_##func; opengl_funcs.gl.p_##func = w##func; } while(0)
568 REDIRECT( glFinish
);
570 REDIRECT( glGetString
);
573 pglXGetProcAddressARB
= dlsym(opengl_handle
, "glXGetProcAddressARB");
574 if (pglXGetProcAddressARB
== NULL
) {
575 ERR("Could not find glXGetProcAddressARB in libGL, disabling OpenGL.\n");
579 #define LOAD_FUNCPTR(f) do if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) \
581 ERR( "%s not found in libGL, disabling OpenGL.\n", #f ); \
586 LOAD_FUNCPTR(glXChooseVisual
);
587 LOAD_FUNCPTR(glXCopyContext
);
588 LOAD_FUNCPTR(glXCreateContext
);
589 LOAD_FUNCPTR(glXGetCurrentContext
);
590 LOAD_FUNCPTR(glXGetCurrentDrawable
);
591 LOAD_FUNCPTR(glXDestroyContext
);
592 LOAD_FUNCPTR(glXIsDirect
);
593 LOAD_FUNCPTR(glXMakeCurrent
);
594 LOAD_FUNCPTR(glXSwapBuffers
);
595 LOAD_FUNCPTR(glXQueryVersion
);
598 LOAD_FUNCPTR(glXGetClientString
);
599 LOAD_FUNCPTR(glXQueryExtensionsString
);
600 LOAD_FUNCPTR(glXQueryServerString
);
603 LOAD_FUNCPTR(glXCreatePbuffer
);
604 LOAD_FUNCPTR(glXCreateNewContext
);
605 LOAD_FUNCPTR(glXDestroyPbuffer
);
606 LOAD_FUNCPTR(glXMakeContextCurrent
);
607 LOAD_FUNCPTR(glXGetFBConfigs
);
608 LOAD_FUNCPTR(glXCreatePixmap
);
609 LOAD_FUNCPTR(glXDestroyPixmap
);
610 LOAD_FUNCPTR(glXCreateWindow
);
611 LOAD_FUNCPTR(glXDestroyWindow
);
614 /* It doesn't matter if these fail. They'll only be used if the driver reports
615 the associated extension is available (and if a driver reports the extension
616 is available but fails to provide the functions, it's quite broken) */
617 #define LOAD_FUNCPTR(f) p##f = pglXGetProcAddressARB((const GLubyte *)#f)
618 /* ARB GLX Extension */
619 LOAD_FUNCPTR(glXCreateContextAttribsARB
);
620 /* EXT GLX Extension */
621 LOAD_FUNCPTR(glXSwapIntervalEXT
);
622 /* MESA GLX Extension */
623 LOAD_FUNCPTR(glXSwapIntervalMESA
);
624 /* SGI GLX Extension */
625 LOAD_FUNCPTR(glXSwapIntervalSGI
);
626 /* NV GLX Extension */
627 LOAD_FUNCPTR(glXAllocateMemoryNV
);
628 LOAD_FUNCPTR(glXFreeMemoryNV
);
631 if(!X11DRV_WineGL_InitOpenglInfo()) goto failed
;
633 if (XQueryExtension( gdi_display
, "GLX", &glx_opcode
, &event_base
, &error_base
))
635 TRACE("GLX is up and running error_base = %d\n", error_base
);
637 ERR( "GLX extension is missing, disabling OpenGL.\n" );
640 gl_hwnd_context
= XUniqueContext();
641 gl_pbuffer_context
= XUniqueContext();
643 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
644 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
647 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
648 * depends on the reported GLX client / server version and on the client / server extension list.
649 * Those don't have to be the same.
651 * In general the server GLX information lists the capabilities in case of indirect rendering.
652 * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are
653 * available and in that case the client GLX informat can be used.
654 * OpenGL programs should use the 'intersection' of both sets of information which is advertised
655 * in the GLX version/extension list. When a program does this it works for certain for both
656 * direct and indirect rendering.
658 * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason
659 * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client
660 * extension list which causes this extension not to be listed. (Wine requires this extension).
661 * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among
662 * pbuffers is around.
664 * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect
665 * the ATI drivers and from then on use GLX client information for them.
668 if(glxRequireVersion(3)) {
669 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
670 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
671 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
672 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
673 } else if (has_extension( glxExtensions
, "GLX_SGIX_fbconfig")) {
674 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfigSGIX");
675 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttribSGIX");
676 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfigSGIX");
678 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
679 * enable this function when the Xserver understand GLX 1.3 or newer
681 pglXQueryDrawable
= NULL
;
682 } else if(strcmp("ATI", pglXGetClientString(gdi_display
, GLX_VENDOR
)) == 0) {
683 TRACE("Overriding ATI GLX capabilities!\n");
684 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
685 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
686 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
687 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
689 /* Use client GLX information in case of the ATI drivers. We override the
690 * capabilities over here and not somewhere else as ATI might better their
691 * life in the future. In case they release proper drivers this block of
692 * code won't be called. */
693 glxExtensions
= pglXGetClientString(gdi_display
, GLX_EXTENSIONS
);
695 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n",
696 pglXQueryServerString(gdi_display
, DefaultScreen(gdi_display
), GLX_VERSION
));
699 if (has_extension( glxExtensions
, "GLX_MESA_copy_sub_buffer")) {
700 pglXCopySubBufferMESA
= pglXGetProcAddressARB((const GLubyte
*) "glXCopySubBufferMESA");
703 if (has_extension( glxExtensions
, "GLX_MESA_query_renderer" ))
705 pglXQueryCurrentRendererIntegerMESA
= pglXGetProcAddressARB(
706 (const GLubyte
*)"glXQueryCurrentRendererIntegerMESA" );
707 pglXQueryCurrentRendererStringMESA
= pglXGetProcAddressARB(
708 (const GLubyte
*)"glXQueryCurrentRendererStringMESA" );
709 pglXQueryRendererIntegerMESA
= pglXGetProcAddressARB( (const GLubyte
*)"glXQueryRendererIntegerMESA" );
710 pglXQueryRendererStringMESA
= pglXGetProcAddressARB( (const GLubyte
*)"glXQueryRendererStringMESA" );
713 if (has_extension( glxExtensions
, "GLX_OML_sync_control" ))
715 pglXWaitForSbcOML
= pglXGetProcAddressARB( (const GLubyte
*)"glXWaitForSbcOML" );
716 pglXSwapBuffersMscOML
= pglXGetProcAddressARB( (const GLubyte
*)"glXSwapBuffersMscOML" );
719 X11DRV_WineGL_LoadExtensions();
720 init_pixel_formats( gdi_display
);
724 dlclose(opengl_handle
);
725 opengl_handle
= NULL
;
728 static BOOL
has_opengl(void)
730 static pthread_once_t init_once
= PTHREAD_ONCE_INIT
;
732 return !pthread_once( &init_once
, init_opengl
);
735 static const char *debugstr_fbconfig( GLXFBConfig fbconfig
)
737 int id
, visual
, drawable
;
739 if (pglXGetFBConfigAttrib( gdi_display
, fbconfig
, GLX_FBCONFIG_ID
, &id
))
740 return "*** invalid fbconfig";
741 pglXGetFBConfigAttrib( gdi_display
, fbconfig
, GLX_VISUAL_ID
, &visual
);
742 pglXGetFBConfigAttrib( gdi_display
, fbconfig
, GLX_DRAWABLE_TYPE
, &drawable
);
743 return wine_dbg_sprintf( "fbconfig %#x visual id %#x drawable type %#x", id
, visual
, drawable
);
746 static int get_render_type_from_fbconfig(Display
*display
, GLXFBConfig fbconfig
)
748 int render_type
, render_type_bit
;
749 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_RENDER_TYPE
, &render_type_bit
);
750 switch(render_type_bit
)
753 render_type
= GLX_RGBA_TYPE
;
755 case GLX_COLOR_INDEX_BIT
:
756 render_type
= GLX_COLOR_INDEX_TYPE
;
758 case GLX_RGBA_FLOAT_BIT
:
759 render_type
= GLX_RGBA_FLOAT_TYPE
;
761 case GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
:
762 render_type
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
765 ERR("Unknown render_type: %x\n", render_type_bit
);
771 /* Check whether a fbconfig is suitable for Windows-style bitmap rendering */
772 static BOOL
check_fbconfig_bitmap_capability(Display
*display
, GLXFBConfig fbconfig
)
775 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_DOUBLEBUFFER
, &dbuf
);
776 pglXGetFBConfigAttrib(gdi_display
, fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
778 /* Windows only supports bitmap rendering on single buffered formats, further the fbconfig needs to have
779 * the GLX_PIXMAP_BIT set. */
780 return !dbuf
&& (value
& GLX_PIXMAP_BIT
);
783 static void init_pixel_formats( Display
*display
)
785 struct glx_pixel_format
*list
;
786 int size
= 0, onscreen_size
= 0;
787 int fmt_id
, nCfgs
, i
, run
, bmp_formats
;
789 XVisualInfo
*visinfo
;
791 cfgs
= pglXGetFBConfigs(display
, DefaultScreen(display
), &nCfgs
);
792 if (NULL
== cfgs
|| 0 == nCfgs
) {
793 if(cfgs
!= NULL
) XFree(cfgs
);
794 ERR("glXChooseFBConfig returns NULL\n");
798 /* Bitmap rendering on Windows implies the use of the Microsoft GDI software renderer.
799 * Further most GLX drivers only offer pixmap rendering using indirect rendering (except for modern drivers which support 'AIGLX' / composite).
800 * Indirect rendering can indicate software rendering (on Nvidia it is hw accelerated)
801 * Since bitmap rendering implies the use of software rendering we can safely use indirect rendering for bitmaps.
803 * Below we count the number of formats which are suitable for bitmap rendering. Windows restricts bitmap rendering to single buffered formats.
805 for(i
=0, bmp_formats
=0; i
<nCfgs
; i
++)
807 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
810 TRACE("Found %d bitmap capable fbconfigs\n", bmp_formats
);
812 list
= calloc( 1, (nCfgs
+ bmp_formats
) * sizeof(*list
) );
814 /* Fill the pixel format list. Put onscreen formats at the top and offscreen ones at the bottom.
815 * Do this as GLX doesn't guarantee that the list is sorted */
816 for(run
=0; run
< 2; run
++)
818 for(i
=0; i
<nCfgs
; i
++) {
819 pglXGetFBConfigAttrib(display
, cfgs
[i
], GLX_FBCONFIG_ID
, &fmt_id
);
820 visinfo
= pglXGetVisualFromFBConfig(display
, cfgs
[i
]);
822 /* The first run we only add onscreen formats (ones which have an associated X Visual).
823 * The second run we only set offscreen formats. */
826 /* We implement child window rendering using offscreen buffers (using composite or an XPixmap).
827 * The contents is copied to the destination using XCopyArea. For the copying to work
828 * the depth of the source and destination window should be the same. In general this should
829 * not be a problem for OpenGL as drivers only advertise formats with a similar depth (or no depth).
830 * As of the introduction of composition managers at least Nvidia now also offers ARGB visuals
831 * with a depth of 32 in addition to the default 24 bit. In order to prevent BadMatch errors we only
832 * list formats with the same depth. */
833 if(visinfo
->depth
!= default_visual
.depth
)
839 TRACE("Found onscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
840 list
[size
].fbconfig
= cfgs
[i
];
841 list
[size
].visual
= visinfo
;
842 list
[size
].fmt_id
= fmt_id
;
843 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
844 list
[size
].dwFlags
= 0;
848 /* Clone a format if it is bitmap capable for indirect rendering to bitmaps */
849 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
851 TRACE("Found bitmap capable format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
852 list
[size
].fbconfig
= cfgs
[i
];
853 list
[size
].visual
= visinfo
;
854 list
[size
].fmt_id
= fmt_id
;
855 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
856 list
[size
].dwFlags
= PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
| PFD_GENERIC_FORMAT
;
860 } else if(run
&& !visinfo
) {
861 int window_drawable
=0;
862 pglXGetFBConfigAttrib(gdi_display
, cfgs
[i
], GLX_DRAWABLE_TYPE
, &window_drawable
);
864 /* Recent Nvidia drivers and DRI drivers offer window drawable formats without a visual.
865 * This are formats like 16-bit rgb on a 24-bit desktop. In order to support these formats
866 * onscreen we would have to use glXCreateWindow instead of XCreateWindow. Further it will
867 * likely make our child window opengl rendering more complicated since likely you can't use
868 * XCopyArea on a GLX Window.
869 * For now ignore fbconfigs which are window drawable but lack a visual. */
870 if(window_drawable
& GLX_WINDOW_BIT
)
872 TRACE("Skipping FBCONFIG_ID 0x%x as an offscreen format because it is window_drawable\n", fmt_id
);
876 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
877 list
[size
].fbconfig
= cfgs
[i
];
878 list
[size
].fmt_id
= fmt_id
;
879 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
880 list
[size
].dwFlags
= 0;
883 else if (visinfo
) XFree(visinfo
);
889 pixel_formats
= list
;
890 nb_pixel_formats
= size
;
891 nb_onscreen_formats
= onscreen_size
;
894 static inline BOOL
is_valid_pixel_format( int format
)
896 return format
> 0 && format
<= nb_pixel_formats
;
899 static inline BOOL
is_onscreen_pixel_format( int format
)
901 return format
> 0 && format
<= nb_onscreen_formats
;
904 static inline int pixel_format_index( const struct glx_pixel_format
*format
)
906 return format
- pixel_formats
+ 1;
909 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
910 * In our WGL implementation we only support a subset of these formats namely the format of
911 * Wine's main visual and offscreen formats (if they are available).
912 * This function converts a WGL format to its corresponding GLX one.
914 static const struct glx_pixel_format
*get_pixel_format(Display
*display
, int iPixelFormat
, BOOL AllowOffscreen
)
916 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
917 * iPixelFormat in case of probing the number of pixelformats.
919 if (is_valid_pixel_format( iPixelFormat
) &&
920 (is_onscreen_pixel_format( iPixelFormat
) || AllowOffscreen
)) {
921 TRACE("Returning fmt_id=%#x for iPixelFormat=%d\n",
922 pixel_formats
[iPixelFormat
-1].fmt_id
, iPixelFormat
);
923 return &pixel_formats
[iPixelFormat
-1];
928 static struct gl_drawable
*grab_gl_drawable( struct gl_drawable
*gl
)
930 InterlockedIncrement( &gl
->ref
);
934 static void release_gl_drawable( struct gl_drawable
*gl
)
937 if (InterlockedDecrement( &gl
->ref
)) return;
941 case DC_GL_CHILD_WIN
:
942 TRACE( "destroying %lx drawable %lx\n", gl
->window
, gl
->drawable
);
943 pglXDestroyWindow( gdi_display
, gl
->drawable
);
944 destroy_client_window( gl
->hwnd
, gl
->window
);
945 XFreeColormap( gdi_display
, gl
->colormap
);
947 case DC_GL_PIXMAP_WIN
:
948 TRACE( "destroying pixmap %lx drawable %lx\n", gl
->pixmap
, gl
->drawable
);
949 pglXDestroyPixmap( gdi_display
, gl
->drawable
);
950 XFreePixmap( gdi_display
, gl
->pixmap
);
953 TRACE( "destroying pbuffer drawable %lx\n", gl
->drawable
);
954 pglXDestroyPbuffer( gdi_display
, gl
->drawable
);
962 /* Mark any allocated context using the glx drawable 'old' to use 'new' */
963 static void mark_drawable_dirty( struct gl_drawable
*old
, struct gl_drawable
*new )
965 struct wgl_context
*ctx
;
967 pthread_mutex_lock( &context_mutex
);
968 LIST_FOR_EACH_ENTRY( ctx
, &context_list
, struct wgl_context
, entry
)
970 if (old
== ctx
->drawables
[0] || old
== ctx
->new_drawables
[0])
972 release_gl_drawable( ctx
->new_drawables
[0] );
973 ctx
->new_drawables
[0] = grab_gl_drawable( new );
975 if (old
== ctx
->drawables
[1] || old
== ctx
->new_drawables
[1])
977 release_gl_drawable( ctx
->new_drawables
[1] );
978 ctx
->new_drawables
[1] = grab_gl_drawable( new );
981 pthread_mutex_unlock( &context_mutex
);
984 /* Given the current context, make sure its drawable is sync'd */
985 static inline void sync_context(struct wgl_context
*context
)
987 BOOL refresh
= FALSE
;
988 struct gl_drawable
*old
[2] = { NULL
};
990 pthread_mutex_lock( &context_mutex
);
991 if (context
->new_drawables
[0])
993 old
[0] = context
->drawables
[0];
994 context
->drawables
[0] = context
->new_drawables
[0];
995 context
->new_drawables
[0] = NULL
;
998 if (context
->new_drawables
[1])
1000 old
[1] = context
->drawables
[1];
1001 context
->drawables
[1] = context
->new_drawables
[1];
1002 context
->new_drawables
[1] = NULL
;
1007 if (glxRequireVersion(3))
1008 pglXMakeContextCurrent(gdi_display
, context
->drawables
[0]->drawable
,
1009 context
->drawables
[1]->drawable
, context
->ctx
);
1011 pglXMakeCurrent(gdi_display
, context
->drawables
[0]->drawable
, context
->ctx
);
1012 release_gl_drawable( old
[0] );
1013 release_gl_drawable( old
[1] );
1015 pthread_mutex_unlock( &context_mutex
);
1018 static BOOL
set_swap_interval(GLXDrawable drawable
, int interval
)
1022 switch (swap_control_method
)
1024 case GLX_SWAP_CONTROL_EXT
:
1025 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
1026 pglXSwapIntervalEXT(gdi_display
, drawable
, interval
);
1027 XSync(gdi_display
, False
);
1028 ret
= !X11DRV_check_error();
1031 case GLX_SWAP_CONTROL_MESA
:
1032 ret
= !pglXSwapIntervalMESA(interval
);
1035 case GLX_SWAP_CONTROL_SGI
:
1036 /* wglSwapIntervalEXT considers an interval value of zero to mean that
1037 * vsync should be disabled, but glXSwapIntervalSGI considers such a
1038 * value to be an error. Just silently ignore the request for now.
1041 WARN("Request to disable vertical sync is not handled\n");
1043 ret
= !pglXSwapIntervalSGI(interval
);
1046 case GLX_SWAP_CONTROL_NONE
:
1047 /* Unlikely to happen on modern GLX implementations */
1048 WARN("Request to adjust swap interval is not handled\n");
1055 static struct gl_drawable
*get_gl_drawable( HWND hwnd
, HDC hdc
)
1057 struct gl_drawable
*gl
;
1059 pthread_mutex_lock( &context_mutex
);
1060 if (hwnd
&& !XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
))
1061 gl
= grab_gl_drawable( gl
);
1062 else if (hdc
&& !XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
))
1063 gl
= grab_gl_drawable( gl
);
1066 pthread_mutex_unlock( &context_mutex
);
1070 static GLXContext
create_glxcontext(Display
*display
, struct wgl_context
*context
, GLXContext shareList
)
1074 if(context
->gl3_context
)
1076 if(context
->numAttribs
)
1077 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, GL_TRUE
, context
->attribList
);
1079 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, GL_TRUE
, NULL
);
1081 else if(context
->fmt
->visual
)
1082 ctx
= pglXCreateContext(gdi_display
, context
->fmt
->visual
, shareList
, GL_TRUE
);
1083 else /* Create a GLX Context for a pbuffer */
1084 ctx
= pglXCreateNewContext(gdi_display
, context
->fmt
->fbconfig
, context
->fmt
->render_type
, shareList
, TRUE
);
1090 /***********************************************************************
1091 * create_gl_drawable
1093 static struct gl_drawable
*create_gl_drawable( HWND hwnd
, const struct glx_pixel_format
*format
, BOOL known_child
,
1096 struct gl_drawable
*gl
, *prev
;
1097 XVisualInfo
*visual
= format
->visual
;
1101 NtUserGetClientRect( hwnd
, &rect
, get_win_monitor_dpi( hwnd
) );
1102 width
= min( max( 1, rect
.right
), 65535 );
1103 height
= min( max( 1, rect
.bottom
), 65535 );
1105 if (!(gl
= calloc( 1, sizeof(*gl
) ))) return NULL
;
1107 /* Default GLX and WGL swap interval is 1, but in case of glXSwapIntervalSGI
1108 * there is no way to query it, so we have to store it here.
1110 gl
->swap_interval
= 1;
1111 gl
->refresh_swap_interval
= TRUE
;
1112 gl
->format
= format
;
1115 gl
->mutable_pf
= mutable_pf
;
1117 if (!known_child
&& !NtUserGetWindowRelative( hwnd
, GW_CHILD
) &&
1118 NtUserGetAncestor( hwnd
, GA_PARENT
) == NtUserGetDesktopWindow()) /* childless top-level window */
1120 gl
->type
= DC_GL_WINDOW
;
1121 gl
->colormap
= XCreateColormap( gdi_display
, get_dummy_parent(), visual
->visual
,
1122 (visual
->class == PseudoColor
|| visual
->class == GrayScale
||
1123 visual
->class == DirectColor
) ? AllocAll
: AllocNone
);
1124 gl
->window
= create_client_window( hwnd
, visual
, gl
->colormap
);
1126 gl
->drawable
= pglXCreateWindow( gdi_display
, gl
->format
->fbconfig
, gl
->window
, NULL
);
1127 TRACE( "%p created client %lx drawable %lx\n", hwnd
, gl
->window
, gl
->drawable
);
1129 #ifdef SONAME_LIBXCOMPOSITE
1130 else if(usexcomposite
)
1132 gl
->type
= DC_GL_CHILD_WIN
;
1133 gl
->colormap
= XCreateColormap( gdi_display
, get_dummy_parent(), visual
->visual
,
1134 (visual
->class == PseudoColor
|| visual
->class == GrayScale
||
1135 visual
->class == DirectColor
) ? AllocAll
: AllocNone
);
1136 gl
->window
= create_client_window( hwnd
, visual
, gl
->colormap
);
1139 gl
->drawable
= pglXCreateWindow( gdi_display
, gl
->format
->fbconfig
, gl
->window
, NULL
);
1140 pXCompositeRedirectWindow( gdi_display
, gl
->window
, CompositeRedirectManual
);
1142 TRACE( "%p created child %lx drawable %lx\n", hwnd
, gl
->window
, gl
->drawable
);
1147 static unsigned int once
;
1150 ERR_(winediag
)("XComposite is not available, using GLXPixmap hack.\n");
1151 WARN("XComposite is not available, using GLXPixmap hack.\n");
1153 gl
->type
= DC_GL_PIXMAP_WIN
;
1154 gl
->pixmap
= XCreatePixmap( gdi_display
, root_window
, width
, height
, visual
->depth
);
1157 gl
->drawable
= pglXCreatePixmap( gdi_display
, gl
->format
->fbconfig
, gl
->pixmap
, NULL
);
1158 if (!gl
->drawable
) XFreePixmap( gdi_display
, gl
->pixmap
);
1159 gl
->pixmap_size
.cx
= width
;
1160 gl
->pixmap_size
.cy
= height
;
1170 pthread_mutex_lock( &context_mutex
);
1171 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&prev
))
1173 gl
->swap_interval
= prev
->swap_interval
;
1174 release_gl_drawable( prev
);
1176 XSaveContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char *)grab_gl_drawable(gl
) );
1177 pthread_mutex_unlock( &context_mutex
);
1182 /***********************************************************************
1185 static BOOL
set_win_format( HWND hwnd
, const struct glx_pixel_format
*format
, BOOL internal
)
1187 struct gl_drawable
*old
, *gl
;
1189 if (!format
->visual
) return FALSE
;
1191 old
= get_gl_drawable( hwnd
, 0 );
1193 if (!(gl
= create_gl_drawable( hwnd
, format
, FALSE
, internal
)))
1195 release_gl_drawable( old
);
1199 TRACE( "created GL drawable %lx for win %p %s\n",
1200 gl
->drawable
, hwnd
, debugstr_fbconfig( format
->fbconfig
));
1203 mark_drawable_dirty( old
, gl
);
1205 XFlush( gdi_display
);
1206 release_gl_drawable( gl
);
1207 release_gl_drawable( old
);
1209 win32u_set_window_pixel_format( hwnd
, pixel_format_index( format
), internal
);
1214 static BOOL
set_pixel_format( HDC hdc
, int format
, BOOL internal
)
1216 const struct glx_pixel_format
*fmt
;
1218 HWND hwnd
= NtUserWindowFromDC( hdc
);
1221 TRACE("(%p,%d)\n", hdc
, format
);
1223 if (!hwnd
|| hwnd
== NtUserGetDesktopWindow())
1225 WARN( "not a valid window DC %p/%p\n", hdc
, hwnd
);
1229 fmt
= get_pixel_format(gdi_display
, format
, FALSE
/* Offscreen */);
1232 ERR( "Invalid format %d\n", format
);
1236 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1237 if (!(value
& GLX_WINDOW_BIT
))
1239 WARN( "Pixel format %d is not compatible for window rendering\n", format
);
1243 /* Even for internal pixel format fail setting it if the app has already set a
1244 * different pixel format. Let wined3d create a backup GL context instead.
1245 * Switching pixel format involves drawable recreation and is much more expensive
1246 * than blitting from backup context. */
1247 if ((prev
= win32u_get_window_pixel_format( hwnd
)))
1248 return prev
== format
;
1250 return set_win_format( hwnd
, fmt
, internal
);
1254 /***********************************************************************
1257 void sync_gl_drawable( HWND hwnd
, BOOL known_child
)
1259 struct gl_drawable
*old
, *new;
1261 if (!(old
= get_gl_drawable( hwnd
, 0 ))) return;
1266 if (!known_child
) break; /* Still a childless top-level window */
1268 case DC_GL_PIXMAP_WIN
:
1269 if (!(new = create_gl_drawable( hwnd
, old
->format
, known_child
, old
->mutable_pf
))) break;
1270 mark_drawable_dirty( old
, new );
1271 XFlush( gdi_display
);
1272 TRACE( "Recreated GL drawable %lx to replace %lx\n", new->drawable
, old
->drawable
);
1273 release_gl_drawable( new );
1278 release_gl_drawable( old
);
1282 /***********************************************************************
1283 * set_gl_drawable_parent
1285 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
1287 struct gl_drawable
*old
, *new;
1289 if (!(old
= get_gl_drawable( hwnd
, 0 ))) return;
1291 TRACE( "setting drawable %lx parent %p\n", old
->drawable
, parent
);
1297 case DC_GL_CHILD_WIN
:
1298 case DC_GL_PIXMAP_WIN
:
1299 if (parent
== NtUserGetDesktopWindow()) break;
1302 release_gl_drawable( old
);
1306 if ((new = create_gl_drawable( hwnd
, old
->format
, FALSE
, old
->mutable_pf
)))
1308 mark_drawable_dirty( old
, new );
1309 release_gl_drawable( new );
1313 destroy_gl_drawable( hwnd
);
1314 win32u_set_window_pixel_format( hwnd
, 0, FALSE
);
1316 release_gl_drawable( old
);
1320 /***********************************************************************
1321 * destroy_gl_drawable
1323 void destroy_gl_drawable( HWND hwnd
)
1325 struct gl_drawable
*gl
;
1327 pthread_mutex_lock( &context_mutex
);
1328 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
))
1330 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1331 release_gl_drawable( gl
);
1333 pthread_mutex_unlock( &context_mutex
);
1338 * describe_pixel_format
1340 * Get the wgl_pixel_format description for the given id
1342 static int describe_pixel_format( int iPixelFormat
, struct wgl_pixel_format
*pf
)
1344 int value
, drawable_type
= 0, render_type
= 0;
1346 const struct glx_pixel_format
*fmt
;
1348 if (!has_opengl()) return 0;
1350 /* Look for the iPixelFormat in our list of supported formats. If it is
1351 * supported we get the index in the FBConfig table and the number of
1352 * supported formats back */
1353 fmt
= get_pixel_format( gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
1356 WARN( "unexpected format %d\n", iPixelFormat
);
1360 /* If we can't get basic information, there is no point continuing */
1361 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &drawable_type
)) return 0;
1362 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_RENDER_TYPE
, &render_type
)) return 0;
1364 memset( pf
, 0, sizeof(*pf
) );
1365 pf
->pfd
.nSize
= sizeof(PIXELFORMATDESCRIPTOR
);
1366 pf
->pfd
.nVersion
= 1;
1368 /* These flags are always the same... */
1369 pf
->pfd
.dwFlags
= PFD_SUPPORT_OPENGL
;
1370 /* Now the flags extracted from the Visual */
1372 if (drawable_type
& GLX_WINDOW_BIT
) pf
->pfd
.dwFlags
|= PFD_DRAW_TO_WINDOW
;
1374 /* On Windows bitmap rendering is only offered using the GDI Software
1375 * renderer. We reserve some formats (see get_formats for more info) for
1376 * bitmap rendering since we require indirect rendering for this. Further
1377 * pixel format logs of a GeforceFX, Geforce8800GT, Radeon HD3400 and a
1378 * Radeon 9000 indicated that all bitmap formats have PFD_SUPPORT_GDI.
1379 * Except for 2 formats on the Radeon 9000 none of the hw accelerated
1380 * formats offered the GDI bit either. */
1381 pf
->pfd
.dwFlags
|= fmt
->dwFlags
& (PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
);
1383 /* PFD_GENERIC_FORMAT - gdi software rendering
1384 * PFD_GENERIC_ACCELERATED - some parts are accelerated by a display driver
1385 * (MCD e.g. 3dfx minigl) none set - full hardware accelerated by a ICD
1387 * We only set PFD_GENERIC_FORMAT on bitmap formats (see get_formats) as
1388 * that's what ATI and Nvidia Windows drivers do */
1389 pf
->pfd
.dwFlags
|= fmt
->dwFlags
& (PFD_GENERIC_FORMAT
| PFD_GENERIC_ACCELERATED
);
1391 if (!(pf
->pfd
.dwFlags
& PFD_GENERIC_FORMAT
)) pf
->pfd
.dwFlags
|= PFD_SUPPORT_COMPOSITION
;
1393 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_DOUBLEBUFFER
, &value
);
1396 pf
->pfd
.dwFlags
|= PFD_DOUBLEBUFFER
;
1397 pf
->pfd
.dwFlags
&= ~PFD_SUPPORT_GDI
;
1399 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_STEREO
, &value
);
1400 if (value
) pf
->pfd
.dwFlags
|= PFD_STEREO
;
1403 if (render_type
& GLX_RGBA_BIT
) pf
->pfd
.iPixelType
= PFD_TYPE_RGBA
;
1404 else pf
->pfd
.iPixelType
= PFD_TYPE_COLORINDEX
;
1407 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_BUFFER_SIZE
, &value
);
1408 pf
->pfd
.cColorBits
= value
;
1410 /* Red, green, blue and alpha bits / shifts */
1411 if (pf
->pfd
.iPixelType
== PFD_TYPE_RGBA
)
1413 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_RED_SIZE
, &rb
);
1414 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_GREEN_SIZE
, &gb
);
1415 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_BLUE_SIZE
, &bb
);
1416 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_ALPHA_SIZE
, &ab
);
1418 pf
->pfd
.cBlueBits
= bb
;
1419 pf
->pfd
.cBlueShift
= 0;
1420 pf
->pfd
.cGreenBits
= gb
;
1421 pf
->pfd
.cGreenShift
= bb
;
1422 pf
->pfd
.cRedBits
= rb
;
1423 pf
->pfd
.cRedShift
= gb
+ bb
;
1424 pf
->pfd
.cAlphaBits
= ab
;
1425 if (ab
) pf
->pfd
.cAlphaShift
= rb
+ gb
+ bb
;
1426 else pf
->pfd
.cAlphaShift
= 0;
1430 pf
->pfd
.cRedBits
= 0;
1431 pf
->pfd
.cRedShift
= 0;
1432 pf
->pfd
.cBlueBits
= 0;
1433 pf
->pfd
.cBlueShift
= 0;
1434 pf
->pfd
.cGreenBits
= 0;
1435 pf
->pfd
.cGreenShift
= 0;
1436 pf
->pfd
.cAlphaBits
= 0;
1437 pf
->pfd
.cAlphaShift
= 0;
1440 /* Accum RGBA bits */
1441 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &rb
);
1442 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &gb
);
1443 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &bb
);
1444 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &ab
);
1446 pf
->pfd
.cAccumBits
= rb
+ gb
+ bb
+ ab
;
1447 pf
->pfd
.cAccumRedBits
= rb
;
1448 pf
->pfd
.cAccumGreenBits
= gb
;
1449 pf
->pfd
.cAccumBlueBits
= bb
;
1450 pf
->pfd
.cAccumAlphaBits
= ab
;
1453 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_AUX_BUFFERS
, &value
);
1454 pf
->pfd
.cAuxBuffers
= value
;
1457 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_DEPTH_SIZE
, &value
);
1458 pf
->pfd
.cDepthBits
= value
;
1461 pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_STENCIL_SIZE
, &value
);
1462 pf
->pfd
.cStencilBits
= value
;
1464 pf
->pfd
.iLayerType
= PFD_MAIN_PLANE
;
1466 if (!has_swap_method
) pf
->swap_method
= WGL_SWAP_EXCHANGE_ARB
;
1467 else if (!pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_SWAP_METHOD_OML
, &value
))
1470 case GLX_SWAP_EXCHANGE_OML
: pf
->swap_method
= WGL_SWAP_EXCHANGE_ARB
; break;
1471 case GLX_SWAP_COPY_OML
: pf
->swap_method
= WGL_SWAP_COPY_ARB
; break;
1472 case GLX_SWAP_UNDEFINED_OML
: pf
->swap_method
= WGL_SWAP_UNDEFINED_ARB
; break;
1473 default: { ERR( "Unexpected swap method %x.\n", value
); pf
->swap_method
= -1; break; }
1476 else pf
->swap_method
= -1;
1478 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_TRANSPARENT_TYPE
, &value
) ) pf
->transparent
= -1;
1479 else pf
->transparent
= value
!= GLX_NONE
;
1481 if (render_type
& GLX_RGBA_BIT
) pf
->pixel_type
= WGL_TYPE_RGBA_ARB
;
1482 else if (render_type
& GLX_COLOR_INDEX_BIT
) pf
->pixel_type
= WGL_TYPE_COLORINDEX_ARB
;
1483 else if (render_type
& GLX_RGBA_FLOAT_BIT
) pf
->pixel_type
= WGL_TYPE_RGBA_FLOAT_ATI
;
1484 else if (render_type
& GLX_RGBA_FLOAT_ATI_BIT
) pf
->pixel_type
= WGL_TYPE_RGBA_FLOAT_ATI
;
1485 else if (render_type
& GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
) pf
->pixel_type
= WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
;
1486 else { ERR( "unexpected RenderType(%x)\n", render_type
); pf
->pixel_type
= -1; }
1488 pf
->draw_to_pbuffer
= (drawable_type
& GLX_PBUFFER_BIT
) ? GL_TRUE
: GL_FALSE
;
1489 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_MAX_PBUFFER_PIXELS
, &value
)) value
= -1;
1490 pf
->max_pbuffer_pixels
= value
;
1491 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_MAX_PBUFFER_WIDTH
, &value
)) value
= -1;
1492 pf
->max_pbuffer_width
= value
;
1493 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_MAX_PBUFFER_HEIGHT
, &value
)) value
= -1;
1494 pf
->max_pbuffer_height
= value
;
1496 if (!pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_TRANSPARENT_RED_VALUE
, &value
))
1498 pf
->transparent_red_value_valid
= GL_TRUE
;
1499 pf
->transparent_red_value
= value
;
1501 if (!pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_TRANSPARENT_GREEN_VALUE
, &value
))
1503 pf
->transparent_green_value_valid
= GL_TRUE
;
1504 pf
->transparent_green_value
= value
;
1506 if (!pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_TRANSPARENT_BLUE_VALUE
, &value
))
1508 pf
->transparent_blue_value_valid
= GL_TRUE
;
1509 pf
->transparent_blue_value
= value
;
1511 if (!pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_TRANSPARENT_ALPHA_VALUE
, &value
))
1513 pf
->transparent_alpha_value_valid
= GL_TRUE
;
1514 pf
->transparent_alpha_value
= value
;
1516 if (!pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_TRANSPARENT_INDEX_VALUE
, &value
))
1518 pf
->transparent_index_value_valid
= GL_TRUE
;
1519 pf
->transparent_index_value
= value
;
1522 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_SAMPLE_BUFFERS_ARB
, &value
)) value
= -1;
1523 pf
->sample_buffers
= value
;
1524 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_SAMPLES_ARB
, &value
)) value
= -1;
1525 pf
->samples
= value
;
1527 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
, &value
)) value
= -1;
1528 pf
->framebuffer_srgb_capable
= value
;
1530 pf
->bind_to_texture_rgb
= pf
->bind_to_texture_rgba
=
1531 use_render_texture_emulation
&& render_type
!= GLX_COLOR_INDEX_BIT
&& (render_type
& GLX_PBUFFER_BIT
);
1532 pf
->bind_to_texture_rectangle_rgb
= pf
->bind_to_texture_rectangle_rgba
= GL_FALSE
;
1534 if (pglXGetFBConfigAttrib( gdi_display
, fmt
->fbconfig
, GLX_FLOAT_COMPONENTS_NV
, &value
)) value
= -1;
1535 pf
->float_components
= value
;
1537 if (TRACE_ON(wgl
)) dump_PIXELFORMATDESCRIPTOR( &pf
->pfd
);
1539 return nb_onscreen_formats
;
1543 /***********************************************************************
1544 * glxdrv_wglGetPixelFormat
1546 static int glxdrv_wglGetPixelFormat( HDC hdc
)
1548 struct gl_drawable
*gl
;
1552 if ((hwnd
= NtUserWindowFromDC( hdc
)))
1553 return win32u_get_window_pixel_format( hwnd
);
1555 if ((gl
= get_gl_drawable( NULL
, hdc
)))
1557 ret
= pixel_format_index( gl
->format
);
1558 /* Offscreen formats can't be used with traditional WGL calls.
1559 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1560 if (!is_onscreen_pixel_format( ret
)) ret
= 1;
1561 release_gl_drawable( gl
);
1563 TRACE( "%p -> %d\n", hdc
, ret
);
1567 /***********************************************************************
1568 * glxdrv_wglSetPixelFormat
1570 static BOOL
glxdrv_wglSetPixelFormat( HDC hdc
, int iPixelFormat
, const PIXELFORMATDESCRIPTOR
*ppfd
)
1572 return set_pixel_format(hdc
, iPixelFormat
, FALSE
);
1575 /***********************************************************************
1576 * glxdrv_wglCopyContext
1578 static BOOL
glxdrv_wglCopyContext(struct wgl_context
*src
, struct wgl_context
*dst
, UINT mask
)
1580 TRACE("%p -> %p mask %#x\n", src
, dst
, mask
);
1582 X11DRV_expect_error( gdi_display
, GLXErrorHandler
, NULL
);
1583 pglXCopyContext( gdi_display
, src
->ctx
, dst
->ctx
, mask
);
1584 XSync( gdi_display
, False
);
1585 if (X11DRV_check_error())
1587 static unsigned int once
;
1591 ERR("glXCopyContext failed. glXCopyContext() for direct rendering contexts not "
1592 "implemented in the host graphics driver?\n");
1600 /***********************************************************************
1601 * glxdrv_wglCreateContext
1603 static struct wgl_context
*glxdrv_wglCreateContext( HDC hdc
)
1605 struct wgl_context
*ret
;
1606 struct gl_drawable
*gl
;
1608 if (!(gl
= get_gl_drawable( NtUserWindowFromDC( hdc
), hdc
)))
1610 RtlSetLastWin32Error( ERROR_INVALID_PIXEL_FORMAT
);
1614 if ((ret
= calloc( 1, sizeof(*ret
) )))
1617 ret
->fmt
= gl
->format
;
1618 ret
->ctx
= create_glxcontext(gdi_display
, ret
, NULL
);
1619 pthread_mutex_lock( &context_mutex
);
1620 list_add_head( &context_list
, &ret
->entry
);
1621 pthread_mutex_unlock( &context_mutex
);
1623 release_gl_drawable( gl
);
1624 TRACE( "%p -> %p\n", hdc
, ret
);
1628 /***********************************************************************
1629 * glxdrv_wglDeleteContext
1631 static BOOL
glxdrv_wglDeleteContext(struct wgl_context
*ctx
)
1633 struct wgl_pbuffer
*pb
;
1635 TRACE("(%p)\n", ctx
);
1637 pthread_mutex_lock( &context_mutex
);
1638 list_remove( &ctx
->entry
);
1639 LIST_FOR_EACH_ENTRY( pb
, &pbuffer_list
, struct wgl_pbuffer
, entry
)
1641 if (pb
->prev_context
== ctx
->ctx
) {
1642 pglXDestroyContext(gdi_display
, pb
->tmp_context
);
1643 pb
->prev_context
= pb
->tmp_context
= NULL
;
1646 pthread_mutex_unlock( &context_mutex
);
1648 if (ctx
->ctx
) pglXDestroyContext( gdi_display
, ctx
->ctx
);
1649 release_gl_drawable( ctx
->drawables
[0] );
1650 release_gl_drawable( ctx
->drawables
[1] );
1651 release_gl_drawable( ctx
->new_drawables
[0] );
1652 release_gl_drawable( ctx
->new_drawables
[1] );
1657 /***********************************************************************
1658 * glxdrv_wglGetProcAddress
1660 static PROC
glxdrv_wglGetProcAddress(LPCSTR lpszProc
)
1662 if (!strncmp(lpszProc
, "wgl", 3)) return NULL
;
1663 return pglXGetProcAddressARB((const GLubyte
*)lpszProc
);
1666 static void set_context_drawables( struct wgl_context
*ctx
, struct gl_drawable
*draw
,
1667 struct gl_drawable
*read
)
1669 struct gl_drawable
*prev
[4];
1672 prev
[0] = ctx
->drawables
[0];
1673 prev
[1] = ctx
->drawables
[1];
1674 prev
[2] = ctx
->new_drawables
[0];
1675 prev
[3] = ctx
->new_drawables
[1];
1676 ctx
->drawables
[0] = grab_gl_drawable( draw
);
1677 ctx
->drawables
[1] = read
? grab_gl_drawable( read
) : NULL
;
1678 ctx
->new_drawables
[0] = ctx
->new_drawables
[1] = NULL
;
1679 for (i
= 0; i
< 4; i
++) release_gl_drawable( prev
[i
] );
1682 /***********************************************************************
1683 * glxdrv_wglMakeCurrent
1685 static BOOL
glxdrv_wglMakeCurrent(HDC hdc
, struct wgl_context
*ctx
)
1688 struct gl_drawable
*gl
;
1690 TRACE("(%p,%p)\n", hdc
, ctx
);
1694 pglXMakeCurrent(gdi_display
, None
, NULL
);
1695 NtCurrentTeb()->glContext
= NULL
;
1699 if ((gl
= get_gl_drawable( NtUserWindowFromDC( hdc
), hdc
)))
1701 if (ctx
->fmt
!= gl
->format
)
1703 WARN( "mismatched pixel format hdc %p %p ctx %p %p\n", hdc
, gl
->format
, ctx
, ctx
->fmt
);
1704 RtlSetLastWin32Error( ERROR_INVALID_PIXEL_FORMAT
);
1708 TRACE("hdc %p drawable %lx fmt %p ctx %p %s\n", hdc
, gl
->drawable
, gl
->format
, ctx
->ctx
,
1709 debugstr_fbconfig( gl
->format
->fbconfig
));
1711 pthread_mutex_lock( &context_mutex
);
1712 ret
= pglXMakeCurrent(gdi_display
, gl
->drawable
, ctx
->ctx
);
1715 NtCurrentTeb()->glContext
= ctx
;
1716 ctx
->has_been_current
= TRUE
;
1718 set_context_drawables( ctx
, gl
, gl
);
1719 pthread_mutex_unlock( &context_mutex
);
1722 pthread_mutex_unlock( &context_mutex
);
1724 RtlSetLastWin32Error( ERROR_INVALID_HANDLE
);
1727 release_gl_drawable( gl
);
1728 TRACE( "%p,%p returning %d\n", hdc
, ctx
, ret
);
1732 /***********************************************************************
1733 * X11DRV_wglMakeContextCurrentARB
1735 static BOOL
X11DRV_wglMakeContextCurrentARB( HDC draw_hdc
, HDC read_hdc
, struct wgl_context
*ctx
)
1738 struct gl_drawable
*draw_gl
, *read_gl
= NULL
;
1740 TRACE("(%p,%p,%p)\n", draw_hdc
, read_hdc
, ctx
);
1744 pglXMakeCurrent(gdi_display
, None
, NULL
);
1745 NtCurrentTeb()->glContext
= NULL
;
1749 if (!pglXMakeContextCurrent
) return FALSE
;
1751 if ((draw_gl
= get_gl_drawable( NtUserWindowFromDC( draw_hdc
), draw_hdc
)))
1753 read_gl
= get_gl_drawable( NtUserWindowFromDC( read_hdc
), read_hdc
);
1755 pthread_mutex_lock( &context_mutex
);
1756 ret
= pglXMakeContextCurrent(gdi_display
, draw_gl
->drawable
,
1757 read_gl
? read_gl
->drawable
: 0, ctx
->ctx
);
1760 ctx
->has_been_current
= TRUE
;
1761 ctx
->hdc
= draw_hdc
;
1762 set_context_drawables( ctx
, draw_gl
, read_gl
);
1763 NtCurrentTeb()->glContext
= ctx
;
1764 pthread_mutex_unlock( &context_mutex
);
1767 pthread_mutex_unlock( &context_mutex
);
1769 RtlSetLastWin32Error( ERROR_INVALID_HANDLE
);
1771 release_gl_drawable( read_gl
);
1772 release_gl_drawable( draw_gl
);
1773 TRACE( "%p,%p,%p returning %d\n", draw_hdc
, read_hdc
, ctx
, ret
);
1777 /***********************************************************************
1778 * glxdrv_wglShareLists
1780 static BOOL
glxdrv_wglShareLists(struct wgl_context
*org
, struct wgl_context
*dest
)
1782 struct wgl_context
*keep
, *clobber
;
1784 TRACE("(%p, %p)\n", org
, dest
);
1786 /* Sharing of display lists works differently in GLX and WGL. In case of GLX it is done
1787 * at context creation time but in case of WGL it is done using wglShareLists.
1788 * In the past we tried to emulate wglShareLists by delaying GLX context creation until
1789 * either a wglMakeCurrent or wglShareLists. This worked fine for most apps but it causes
1790 * issues for OpenGL 3 because there wglCreateContextAttribsARB can fail in a lot of cases,
1791 * so there delaying context creation doesn't work.
1793 * The new approach is to create a GLX context in wglCreateContext / wglCreateContextAttribsARB
1794 * and when a program requests sharing we recreate the destination or source context if it
1795 * hasn't been made current and it hasn't shared display lists before.
1798 if (!dest
->has_been_current
&& !dest
->sharing
)
1803 else if (!org
->has_been_current
&& !org
->sharing
)
1810 ERR("Could not share display lists because both of the contexts have already been current or shared\n");
1814 pglXDestroyContext(gdi_display
, clobber
->ctx
);
1815 clobber
->ctx
= create_glxcontext(gdi_display
, clobber
, keep
->ctx
);
1816 TRACE("re-created context (%p) for Wine context %p (%s) sharing lists with ctx %p (%s)\n",
1817 clobber
->ctx
, clobber
, debugstr_fbconfig(clobber
->fmt
->fbconfig
),
1818 keep
->ctx
, debugstr_fbconfig(keep
->fmt
->fbconfig
));
1820 org
->sharing
= TRUE
;
1821 dest
->sharing
= TRUE
;
1825 static void wglFinish(void)
1827 struct x11drv_escape_flush_gl_drawable escape
;
1828 struct gl_drawable
*gl
;
1829 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1831 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1832 escape
.gl_drawable
= 0;
1833 escape
.flush
= FALSE
;
1835 if ((gl
= get_gl_drawable( NtUserWindowFromDC( ctx
->hdc
), 0 )))
1839 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1840 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->window
; break;
1844 release_gl_drawable( gl
);
1848 if (escape
.gl_drawable
)
1849 NtGdiExtEscape( ctx
->hdc
, NULL
, 0, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
1852 static void wglFlush(void)
1854 struct x11drv_escape_flush_gl_drawable escape
;
1855 struct gl_drawable
*gl
;
1856 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1858 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1859 escape
.gl_drawable
= 0;
1860 escape
.flush
= FALSE
;
1862 if ((gl
= get_gl_drawable( NtUserWindowFromDC( ctx
->hdc
), 0 )))
1866 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1867 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->window
; break;
1871 release_gl_drawable( gl
);
1875 if (escape
.gl_drawable
)
1876 NtGdiExtEscape( ctx
->hdc
, NULL
, 0, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
1879 static const GLubyte
*wglGetString(GLenum name
)
1881 if (name
== GL_EXTENSIONS
&& glExtensions
) return (const GLubyte
*)glExtensions
;
1882 return pglGetString(name
);
1885 /***********************************************************************
1886 * X11DRV_wglCreateContextAttribsARB
1888 static struct wgl_context
*X11DRV_wglCreateContextAttribsARB( HDC hdc
, struct wgl_context
*hShareContext
,
1889 const int* attribList
)
1891 struct wgl_context
*ret
;
1892 struct gl_drawable
*gl
;
1895 TRACE("(%p %p %p)\n", hdc
, hShareContext
, attribList
);
1897 if (!(gl
= get_gl_drawable( NtUserWindowFromDC( hdc
), hdc
)))
1899 RtlSetLastWin32Error( ERROR_INVALID_PIXEL_FORMAT
);
1903 if ((ret
= calloc( 1, sizeof(*ret
) )))
1906 ret
->fmt
= gl
->format
;
1907 ret
->gl3_context
= TRUE
;
1910 int *pContextAttribList
= &ret
->attribList
[0];
1911 /* attribList consists of pairs {token, value] terminated with 0 */
1912 while(attribList
[0] != 0)
1914 TRACE("%#x %#x\n", attribList
[0], attribList
[1]);
1915 switch(attribList
[0])
1917 case WGL_CONTEXT_MAJOR_VERSION_ARB
:
1918 pContextAttribList
[0] = GLX_CONTEXT_MAJOR_VERSION_ARB
;
1919 pContextAttribList
[1] = attribList
[1];
1920 pContextAttribList
+= 2;
1923 case WGL_CONTEXT_MINOR_VERSION_ARB
:
1924 pContextAttribList
[0] = GLX_CONTEXT_MINOR_VERSION_ARB
;
1925 pContextAttribList
[1] = attribList
[1];
1926 pContextAttribList
+= 2;
1929 case WGL_CONTEXT_LAYER_PLANE_ARB
:
1931 case WGL_CONTEXT_FLAGS_ARB
:
1932 pContextAttribList
[0] = GLX_CONTEXT_FLAGS_ARB
;
1933 pContextAttribList
[1] = attribList
[1];
1934 pContextAttribList
+= 2;
1937 case WGL_CONTEXT_OPENGL_NO_ERROR_ARB
:
1938 pContextAttribList
[0] = GLX_CONTEXT_OPENGL_NO_ERROR_ARB
;
1939 pContextAttribList
[1] = attribList
[1];
1940 pContextAttribList
+= 2;
1943 case WGL_CONTEXT_PROFILE_MASK_ARB
:
1944 pContextAttribList
[0] = GLX_CONTEXT_PROFILE_MASK_ARB
;
1945 pContextAttribList
[1] = attribList
[1];
1946 pContextAttribList
+= 2;
1949 case WGL_RENDERER_ID_WINE
:
1950 pContextAttribList
[0] = GLX_RENDERER_ID_MESA
;
1951 pContextAttribList
[1] = attribList
[1];
1952 pContextAttribList
+= 2;
1956 ERR("Unhandled attribList pair: %#x %#x\n", attribList
[0], attribList
[1]);
1962 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
1963 ret
->ctx
= create_glxcontext(gdi_display
, ret
, hShareContext
? hShareContext
->ctx
: NULL
);
1964 XSync(gdi_display
, False
);
1965 if ((err
= X11DRV_check_error()) || !ret
->ctx
)
1967 /* In the future we should convert the GLX error to a win32 one here if needed */
1968 WARN("Context creation failed (error %#x).\n", err
);
1974 pthread_mutex_lock( &context_mutex
);
1975 list_add_head( &context_list
, &ret
->entry
);
1976 pthread_mutex_unlock( &context_mutex
);
1980 release_gl_drawable( gl
);
1981 TRACE( "%p -> %p\n", hdc
, ret
);
1986 * X11DRV_wglGetExtensionsStringARB
1988 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
1990 static const char *X11DRV_wglGetExtensionsStringARB(HDC hdc
)
1992 TRACE("() returning \"%s\"\n", wglExtensions
);
1993 return wglExtensions
;
1997 * X11DRV_wglCreatePbufferARB
1999 * WGL_ARB_pbuffer: wglCreatePbufferARB
2001 static struct wgl_pbuffer
*X11DRV_wglCreatePbufferARB( HDC hdc
, int iPixelFormat
, int iWidth
, int iHeight
,
2002 const int *piAttribList
)
2004 struct wgl_pbuffer
* object
;
2005 const struct glx_pixel_format
*fmt
;
2009 TRACE("(%p, %d, %d, %d, %p)\n", hdc
, iPixelFormat
, iWidth
, iHeight
, piAttribList
);
2011 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
2012 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2014 ERR("(%p): invalid pixel format %d\n", hdc
, iPixelFormat
);
2015 RtlSetLastWin32Error(ERROR_INVALID_PIXEL_FORMAT
);
2019 object
= calloc( 1, sizeof(*object
) );
2020 if (NULL
== object
) {
2021 RtlSetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES
);
2024 object
->width
= iWidth
;
2025 object
->height
= iHeight
;
2028 PUSH2(attribs
, GLX_PBUFFER_WIDTH
, iWidth
);
2029 PUSH2(attribs
, GLX_PBUFFER_HEIGHT
, iHeight
);
2030 while (piAttribList
&& 0 != *piAttribList
) {
2032 switch (*piAttribList
) {
2033 case WGL_PBUFFER_LARGEST_ARB
: {
2035 attr_v
= *piAttribList
;
2036 TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v
);
2037 PUSH2(attribs
, GLX_LARGEST_PBUFFER
, attr_v
);
2041 case WGL_TEXTURE_FORMAT_ARB
: {
2043 attr_v
= *piAttribList
;
2044 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v
);
2045 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2046 object
->use_render_texture
= 0;
2048 if (!use_render_texture_emulation
) {
2049 RtlSetLastWin32Error(ERROR_INVALID_DATA
);
2053 case WGL_TEXTURE_RGB_ARB
:
2054 object
->use_render_texture
= GL_RGB
;
2055 object
->texture_bpp
= 3;
2056 object
->texture_format
= GL_RGB
;
2057 object
->texture_type
= GL_UNSIGNED_BYTE
;
2059 case WGL_TEXTURE_RGBA_ARB
:
2060 object
->use_render_texture
= GL_RGBA
;
2061 object
->texture_bpp
= 4;
2062 object
->texture_format
= GL_RGBA
;
2063 object
->texture_type
= GL_UNSIGNED_BYTE
;
2066 /* WGL_FLOAT_COMPONENTS_NV */
2067 case WGL_TEXTURE_FLOAT_R_NV
:
2068 object
->use_render_texture
= GL_FLOAT_R_NV
;
2069 object
->texture_bpp
= 4;
2070 object
->texture_format
= GL_RED
;
2071 object
->texture_type
= GL_FLOAT
;
2073 case WGL_TEXTURE_FLOAT_RG_NV
:
2074 object
->use_render_texture
= GL_FLOAT_RG_NV
;
2075 object
->texture_bpp
= 8;
2076 object
->texture_format
= GL_LUMINANCE_ALPHA
;
2077 object
->texture_type
= GL_FLOAT
;
2079 case WGL_TEXTURE_FLOAT_RGB_NV
:
2080 object
->use_render_texture
= GL_FLOAT_RGB_NV
;
2081 object
->texture_bpp
= 12;
2082 object
->texture_format
= GL_RGB
;
2083 object
->texture_type
= GL_FLOAT
;
2085 case WGL_TEXTURE_FLOAT_RGBA_NV
:
2086 object
->use_render_texture
= GL_FLOAT_RGBA_NV
;
2087 object
->texture_bpp
= 16;
2088 object
->texture_format
= GL_RGBA
;
2089 object
->texture_type
= GL_FLOAT
;
2092 ERR("Unknown texture format: %x\n", attr_v
);
2093 RtlSetLastWin32Error(ERROR_INVALID_DATA
);
2100 case WGL_TEXTURE_TARGET_ARB
: {
2102 attr_v
= *piAttribList
;
2103 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v
);
2104 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2105 object
->texture_target
= 0;
2107 if (!use_render_texture_emulation
) {
2108 RtlSetLastWin32Error(ERROR_INVALID_DATA
);
2112 case WGL_TEXTURE_CUBE_MAP_ARB
: {
2113 if (iWidth
!= iHeight
) {
2114 RtlSetLastWin32Error(ERROR_INVALID_DATA
);
2117 object
->texture_target
= GL_TEXTURE_CUBE_MAP
;
2118 object
->texture_bind_target
= GL_TEXTURE_BINDING_CUBE_MAP
;
2121 case WGL_TEXTURE_1D_ARB
: {
2123 RtlSetLastWin32Error(ERROR_INVALID_DATA
);
2126 object
->texture_target
= GL_TEXTURE_1D
;
2127 object
->texture_bind_target
= GL_TEXTURE_BINDING_1D
;
2130 case WGL_TEXTURE_2D_ARB
: {
2131 object
->texture_target
= GL_TEXTURE_2D
;
2132 object
->texture_bind_target
= GL_TEXTURE_BINDING_2D
;
2135 case WGL_TEXTURE_RECTANGLE_NV
: {
2136 object
->texture_target
= GL_TEXTURE_RECTANGLE_NV
;
2137 object
->texture_bind_target
= GL_TEXTURE_BINDING_RECTANGLE_NV
;
2141 ERR("Unknown texture target: %x\n", attr_v
);
2142 RtlSetLastWin32Error(ERROR_INVALID_DATA
);
2149 case WGL_MIPMAP_TEXTURE_ARB
: {
2151 attr_v
= *piAttribList
;
2152 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v
);
2153 if (!use_render_texture_emulation
) {
2154 RtlSetLastWin32Error(ERROR_INVALID_DATA
);
2163 PUSH1(attribs
, None
);
2164 if (!(object
->gl
= calloc( 1, sizeof(*object
->gl
) )))
2166 RtlSetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES
);
2169 object
->gl
->type
= DC_GL_PBUFFER
;
2170 object
->gl
->format
= object
->fmt
;
2171 object
->gl
->ref
= 1;
2173 object
->gl
->drawable
= pglXCreatePbuffer(gdi_display
, fmt
->fbconfig
, attribs
);
2174 TRACE("new Pbuffer drawable as %p (%lx)\n", object
->gl
, object
->gl
->drawable
);
2175 if (!object
->gl
->drawable
) {
2177 RtlSetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES
);
2178 goto create_failed
; /* unexpected error */
2180 pthread_mutex_lock( &context_mutex
);
2181 list_add_head( &pbuffer_list
, &object
->entry
);
2182 pthread_mutex_unlock( &context_mutex
);
2183 TRACE("->(%p)\n", object
);
2188 TRACE("->(FAILED)\n");
2193 * X11DRV_wglDestroyPbufferARB
2195 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2197 static BOOL
X11DRV_wglDestroyPbufferARB( struct wgl_pbuffer
*object
)
2199 TRACE("(%p)\n", object
);
2201 pthread_mutex_lock( &context_mutex
);
2202 list_remove( &object
->entry
);
2203 pthread_mutex_unlock( &context_mutex
);
2204 release_gl_drawable( object
->gl
);
2205 if (object
->tmp_context
)
2206 pglXDestroyContext(gdi_display
, object
->tmp_context
);
2212 * X11DRV_wglGetPbufferDCARB
2214 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2216 static HDC
X11DRV_wglGetPbufferDCARB( struct wgl_pbuffer
*object
)
2218 struct x11drv_escape_set_drawable escape
;
2219 struct gl_drawable
*prev
;
2222 hdc
= NtGdiOpenDCW( NULL
, NULL
, NULL
, 0, TRUE
, NULL
, NULL
, NULL
);
2225 pthread_mutex_lock( &context_mutex
);
2226 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&prev
))
2227 release_gl_drawable( prev
);
2228 grab_gl_drawable( object
->gl
);
2229 XSaveContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char *)object
->gl
);
2230 pthread_mutex_unlock( &context_mutex
);
2232 escape
.code
= X11DRV_SET_DRAWABLE
;
2233 escape
.drawable
= object
->gl
->drawable
;
2234 escape
.mode
= IncludeInferiors
;
2235 SetRect( &escape
.dc_rect
, 0, 0, object
->width
, object
->height
);
2236 NtGdiExtEscape( hdc
, NULL
, 0, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2238 TRACE( "(%p)->(%p)\n", object
, hdc
);
2243 * X11DRV_wglQueryPbufferARB
2245 * WGL_ARB_pbuffer: wglQueryPbufferARB
2247 static BOOL
X11DRV_wglQueryPbufferARB( struct wgl_pbuffer
*object
, int iAttribute
, int *piValue
)
2249 TRACE("(%p, 0x%x, %p)\n", object
, iAttribute
, piValue
);
2251 switch (iAttribute
) {
2252 case WGL_PBUFFER_WIDTH_ARB
:
2253 pglXQueryDrawable(gdi_display
, object
->gl
->drawable
, GLX_WIDTH
, (unsigned int*) piValue
);
2255 case WGL_PBUFFER_HEIGHT_ARB
:
2256 pglXQueryDrawable(gdi_display
, object
->gl
->drawable
, GLX_HEIGHT
, (unsigned int*) piValue
);
2259 case WGL_PBUFFER_LOST_ARB
:
2260 /* GLX Pbuffers cannot be lost by default. We can support this by
2261 * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent
2262 * to receive pixel buffer clobber events, however that may or may
2263 * not give any benefit */
2264 *piValue
= GL_FALSE
;
2267 case WGL_TEXTURE_FORMAT_ARB
:
2268 if (!object
->use_render_texture
) {
2269 *piValue
= WGL_NO_TEXTURE_ARB
;
2271 if (!use_render_texture_emulation
) {
2272 RtlSetLastWin32Error(ERROR_INVALID_HANDLE
);
2275 switch(object
->use_render_texture
) {
2277 *piValue
= WGL_TEXTURE_RGB_ARB
;
2280 *piValue
= WGL_TEXTURE_RGBA_ARB
;
2282 /* WGL_FLOAT_COMPONENTS_NV */
2284 *piValue
= WGL_TEXTURE_FLOAT_R_NV
;
2286 case GL_FLOAT_RG_NV
:
2287 *piValue
= WGL_TEXTURE_FLOAT_RG_NV
;
2289 case GL_FLOAT_RGB_NV
:
2290 *piValue
= WGL_TEXTURE_FLOAT_RGB_NV
;
2292 case GL_FLOAT_RGBA_NV
:
2293 *piValue
= WGL_TEXTURE_FLOAT_RGBA_NV
;
2296 ERR("Unknown texture format: %x\n", object
->use_render_texture
);
2301 case WGL_TEXTURE_TARGET_ARB
:
2302 if (!object
->texture_target
){
2303 *piValue
= WGL_NO_TEXTURE_ARB
;
2305 if (!use_render_texture_emulation
) {
2306 RtlSetLastWin32Error(ERROR_INVALID_DATA
);
2309 switch (object
->texture_target
) {
2310 case GL_TEXTURE_1D
: *piValue
= WGL_TEXTURE_1D_ARB
; break;
2311 case GL_TEXTURE_2D
: *piValue
= WGL_TEXTURE_2D_ARB
; break;
2312 case GL_TEXTURE_CUBE_MAP
: *piValue
= WGL_TEXTURE_CUBE_MAP_ARB
; break;
2313 case GL_TEXTURE_RECTANGLE_NV
: *piValue
= WGL_TEXTURE_RECTANGLE_NV
; break;
2318 case WGL_MIPMAP_TEXTURE_ARB
:
2319 *piValue
= GL_FALSE
; /** don't support that */
2320 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute
);
2324 FIXME("unexpected attribute %x\n", iAttribute
);
2332 * X11DRV_wglReleasePbufferDCARB
2334 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2336 static int X11DRV_wglReleasePbufferDCARB( struct wgl_pbuffer
*object
, HDC hdc
)
2338 struct gl_drawable
*gl
;
2340 TRACE("(%p, %p)\n", object
, hdc
);
2342 pthread_mutex_lock( &context_mutex
);
2344 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
))
2346 XDeleteContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
);
2347 release_gl_drawable( gl
);
2351 pthread_mutex_unlock( &context_mutex
);
2353 return hdc
&& NtGdiDeleteObjectApp(hdc
);
2357 * X11DRV_wglSetPbufferAttribARB
2359 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2361 static BOOL
X11DRV_wglSetPbufferAttribARB( struct wgl_pbuffer
*object
, const int *piAttribList
)
2363 GLboolean ret
= GL_FALSE
;
2365 WARN("(%p, %p): alpha-testing, report any problem\n", object
, piAttribList
);
2367 if (!object
->use_render_texture
) {
2368 RtlSetLastWin32Error(ERROR_INVALID_HANDLE
);
2371 if (use_render_texture_emulation
) {
2378 * X11DRV_wglBindTexImageARB
2380 * WGL_ARB_render_texture: wglBindTexImageARB
2382 static BOOL
X11DRV_wglBindTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2384 GLboolean ret
= GL_FALSE
;
2386 TRACE("(%p, %d)\n", object
, iBuffer
);
2388 if (!object
->use_render_texture
) {
2389 RtlSetLastWin32Error(ERROR_INVALID_HANDLE
);
2393 if (use_render_texture_emulation
) {
2394 static BOOL initialized
= FALSE
;
2395 int prev_binded_texture
= 0;
2396 GLXContext prev_context
;
2397 GLXDrawable prev_drawable
;
2399 prev_context
= pglXGetCurrentContext();
2400 prev_drawable
= pglXGetCurrentDrawable();
2402 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2403 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2404 isn't ideal performance wise but I wasn't able to get other ways working.
2407 initialized
= TRUE
; /* Only show the FIXME once for performance reasons */
2408 FIXME("partial stub!\n");
2411 TRACE("drawable=%p (%lx), context=%p\n", object
->gl
, object
->gl
->drawable
, prev_context
);
2412 if (!object
->tmp_context
|| object
->prev_context
!= prev_context
) {
2413 if (object
->tmp_context
)
2414 pglXDestroyContext(gdi_display
, object
->tmp_context
);
2415 object
->tmp_context
= pglXCreateNewContext(gdi_display
, object
->fmt
->fbconfig
, object
->fmt
->render_type
, prev_context
, True
);
2416 object
->prev_context
= prev_context
;
2419 opengl_funcs
.gl
.p_glGetIntegerv(object
->texture_bind_target
, &prev_binded_texture
);
2421 /* Switch to our pbuffer */
2422 pglXMakeCurrent(gdi_display
, object
->gl
->drawable
, object
->tmp_context
);
2424 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2425 * After that copy the pbuffer texture data. */
2426 opengl_funcs
.gl
.p_glBindTexture(object
->texture_target
, prev_binded_texture
);
2427 opengl_funcs
.gl
.p_glCopyTexImage2D(object
->texture_target
, 0, object
->use_render_texture
, 0, 0, object
->width
, object
->height
, 0);
2429 /* Switch back to the original drawable and context */
2430 pglXMakeCurrent(gdi_display
, prev_drawable
, prev_context
);
2438 * X11DRV_wglReleaseTexImageARB
2440 * WGL_ARB_render_texture: wglReleaseTexImageARB
2442 static BOOL
X11DRV_wglReleaseTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2444 GLboolean ret
= GL_FALSE
;
2446 TRACE("(%p, %d)\n", object
, iBuffer
);
2448 if (!object
->use_render_texture
) {
2449 RtlSetLastWin32Error(ERROR_INVALID_HANDLE
);
2452 if (use_render_texture_emulation
) {
2459 * X11DRV_wglGetExtensionsStringEXT
2461 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2463 static const char *X11DRV_wglGetExtensionsStringEXT(void)
2465 TRACE("() returning \"%s\"\n", wglExtensions
);
2466 return wglExtensions
;
2470 * X11DRV_wglGetSwapIntervalEXT
2472 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
2474 static int X11DRV_wglGetSwapIntervalEXT(void)
2476 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
2477 struct gl_drawable
*gl
;
2482 if (!(gl
= get_gl_drawable( NtUserWindowFromDC( ctx
->hdc
), ctx
->hdc
)))
2484 /* This can't happen because a current WGL context is required to get
2485 * here. Likely the application is buggy.
2487 WARN("No GL drawable found, returning swap interval 0\n");
2491 swap_interval
= gl
->swap_interval
;
2492 release_gl_drawable(gl
);
2494 return swap_interval
;
2498 * X11DRV_wglSwapIntervalEXT
2500 * WGL_EXT_swap_control: wglSwapIntervalEXT
2502 static BOOL
X11DRV_wglSwapIntervalEXT(int interval
)
2504 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
2505 struct gl_drawable
*gl
;
2508 TRACE("(%d)\n", interval
);
2510 /* Without WGL/GLX_EXT_swap_control_tear a negative interval
2513 if (interval
< 0 && !has_swap_control_tear
)
2515 RtlSetLastWin32Error(ERROR_INVALID_DATA
);
2519 if (!(gl
= get_gl_drawable( NtUserWindowFromDC( ctx
->hdc
), ctx
->hdc
)))
2521 RtlSetLastWin32Error(ERROR_DC_NOT_FOUND
);
2525 pthread_mutex_lock( &context_mutex
);
2526 ret
= set_swap_interval(gl
->drawable
, interval
);
2527 gl
->refresh_swap_interval
= FALSE
;
2529 gl
->swap_interval
= interval
;
2531 RtlSetLastWin32Error(ERROR_DC_NOT_FOUND
);
2533 pthread_mutex_unlock( &context_mutex
);
2534 release_gl_drawable(gl
);
2540 * X11DRV_wglSetPixelFormatWINE
2542 * WGL_WINE_pixel_format_passthrough: wglSetPixelFormatWINE
2543 * This is a WINE-specific wglSetPixelFormat which can set the pixel format multiple times.
2545 static BOOL
X11DRV_wglSetPixelFormatWINE(HDC hdc
, int format
)
2547 return set_pixel_format(hdc
, format
, TRUE
);
2550 static BOOL
X11DRV_wglQueryCurrentRendererIntegerWINE( GLenum attribute
, GLuint
*value
)
2552 return pglXQueryCurrentRendererIntegerMESA( attribute
, value
);
2555 static const char *X11DRV_wglQueryCurrentRendererStringWINE( GLenum attribute
)
2557 return pglXQueryCurrentRendererStringMESA( attribute
);
2560 static BOOL
X11DRV_wglQueryRendererIntegerWINE( HDC dc
, GLint renderer
, GLenum attribute
, GLuint
*value
)
2562 return pglXQueryRendererIntegerMESA( gdi_display
, DefaultScreen(gdi_display
), renderer
, attribute
, value
);
2565 static const char *X11DRV_wglQueryRendererStringWINE( HDC dc
, GLint renderer
, GLenum attribute
)
2567 return pglXQueryRendererStringMESA( gdi_display
, DefaultScreen(gdi_display
), renderer
, attribute
);
2571 * glxRequireVersion (internal)
2573 * Check if the supported GLX version matches requiredVersion.
2575 static BOOL
glxRequireVersion(int requiredVersion
)
2577 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
2578 return (requiredVersion
<= glxVersion
[1]);
2581 static void register_extension(const char *ext
)
2583 if (wglExtensions
[0])
2584 strcat(wglExtensions
, " ");
2585 strcat(wglExtensions
, ext
);
2587 TRACE("'%s'\n", ext
);
2591 * X11DRV_WineGL_LoadExtensions
2593 static void X11DRV_WineGL_LoadExtensions(void)
2595 wglExtensions
[0] = 0;
2597 /* ARB Extensions */
2599 if (has_extension( glxExtensions
, "GLX_ARB_create_context"))
2601 register_extension( "WGL_ARB_create_context" );
2602 opengl_funcs
.ext
.p_wglCreateContextAttribsARB
= X11DRV_wglCreateContextAttribsARB
;
2604 if (has_extension( glxExtensions
, "GLX_ARB_create_context_no_error" ))
2605 register_extension( "WGL_ARB_create_context_no_error" );
2606 if (has_extension( glxExtensions
, "GLX_ARB_create_context_profile"))
2607 register_extension("WGL_ARB_create_context_profile");
2611 register_extension( "WGL_ARB_extensions_string" );
2612 opengl_funcs
.ext
.p_wglGetExtensionsStringARB
= X11DRV_wglGetExtensionsStringARB
;
2614 if (glxRequireVersion(3))
2616 register_extension( "WGL_ARB_make_current_read" );
2617 opengl_funcs
.ext
.p_wglGetCurrentReadDCARB
= (void *)1; /* never called */
2618 opengl_funcs
.ext
.p_wglMakeContextCurrentARB
= X11DRV_wglMakeContextCurrentARB
;
2621 if (has_extension( glxExtensions
, "GLX_ARB_multisample")) register_extension( "WGL_ARB_multisample" );
2623 if (glxRequireVersion(3))
2625 register_extension( "WGL_ARB_pbuffer" );
2626 opengl_funcs
.ext
.p_wglCreatePbufferARB
= X11DRV_wglCreatePbufferARB
;
2627 opengl_funcs
.ext
.p_wglDestroyPbufferARB
= X11DRV_wglDestroyPbufferARB
;
2628 opengl_funcs
.ext
.p_wglGetPbufferDCARB
= X11DRV_wglGetPbufferDCARB
;
2629 opengl_funcs
.ext
.p_wglQueryPbufferARB
= X11DRV_wglQueryPbufferARB
;
2630 opengl_funcs
.ext
.p_wglReleasePbufferDCARB
= X11DRV_wglReleasePbufferDCARB
;
2631 opengl_funcs
.ext
.p_wglSetPbufferAttribARB
= X11DRV_wglSetPbufferAttribARB
;
2634 register_extension( "WGL_ARB_pixel_format" );
2635 opengl_funcs
.ext
.p_wglChoosePixelFormatARB
= (void *)1; /* never called */
2636 opengl_funcs
.ext
.p_wglGetPixelFormatAttribfvARB
= (void *)1; /* never called */
2637 opengl_funcs
.ext
.p_wglGetPixelFormatAttribivARB
= (void *)1; /* never called */
2639 if (has_extension( glxExtensions
, "GLX_ARB_fbconfig_float"))
2641 register_extension("WGL_ARB_pixel_format_float");
2642 register_extension("WGL_ATI_pixel_format_float");
2645 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
2646 if (has_extension( glxExtensions
, "GLX_ARB_render_texture") ||
2647 (glxRequireVersion(3) && use_render_texture_emulation
))
2649 register_extension( "WGL_ARB_render_texture" );
2650 opengl_funcs
.ext
.p_wglBindTexImageARB
= X11DRV_wglBindTexImageARB
;
2651 opengl_funcs
.ext
.p_wglReleaseTexImageARB
= X11DRV_wglReleaseTexImageARB
;
2653 /* The WGL version of GLX_NV_float_buffer requires render_texture */
2654 if (has_extension( glxExtensions
, "GLX_NV_float_buffer"))
2655 register_extension("WGL_NV_float_buffer");
2657 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
2658 if (has_extension(glExtensions
, "GL_NV_texture_rectangle"))
2659 register_extension("WGL_NV_render_texture_rectangle");
2662 /* EXT Extensions */
2664 register_extension( "WGL_EXT_extensions_string" );
2665 opengl_funcs
.ext
.p_wglGetExtensionsStringEXT
= X11DRV_wglGetExtensionsStringEXT
;
2667 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
2668 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
2669 register_extension( "WGL_EXT_swap_control" );
2670 opengl_funcs
.ext
.p_wglSwapIntervalEXT
= X11DRV_wglSwapIntervalEXT
;
2671 opengl_funcs
.ext
.p_wglGetSwapIntervalEXT
= X11DRV_wglGetSwapIntervalEXT
;
2673 if (has_extension( glxExtensions
, "GLX_EXT_framebuffer_sRGB"))
2674 register_extension("WGL_EXT_framebuffer_sRGB");
2676 if (has_extension( glxExtensions
, "GLX_EXT_fbconfig_packed_float"))
2677 register_extension("WGL_EXT_pixel_format_packed_float");
2679 if (has_extension( glxExtensions
, "GLX_EXT_swap_control"))
2681 swap_control_method
= GLX_SWAP_CONTROL_EXT
;
2682 if (has_extension( glxExtensions
, "GLX_EXT_swap_control_tear"))
2684 register_extension("WGL_EXT_swap_control_tear");
2685 has_swap_control_tear
= TRUE
;
2688 else if (has_extension( glxExtensions
, "GLX_MESA_swap_control"))
2690 swap_control_method
= GLX_SWAP_CONTROL_MESA
;
2692 else if (has_extension( glxExtensions
, "GLX_SGI_swap_control"))
2694 swap_control_method
= GLX_SWAP_CONTROL_SGI
;
2697 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
2698 if (has_extension(glExtensions
, "GL_NV_vertex_array_range"))
2700 register_extension( "WGL_NV_vertex_array_range" );
2701 opengl_funcs
.ext
.p_wglAllocateMemoryNV
= pglXAllocateMemoryNV
;
2702 opengl_funcs
.ext
.p_wglFreeMemoryNV
= pglXFreeMemoryNV
;
2705 if (has_extension(glxExtensions
, "GLX_OML_swap_method"))
2706 has_swap_method
= TRUE
;
2708 /* WINE-specific WGL Extensions */
2710 /* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset).
2711 * The default wglSetPixelFormat doesn't allow this, so add our own which allows it.
2713 register_extension( "WGL_WINE_pixel_format_passthrough" );
2714 opengl_funcs
.ext
.p_wglSetPixelFormatWINE
= X11DRV_wglSetPixelFormatWINE
;
2716 if (has_extension( glxExtensions
, "GLX_MESA_query_renderer" ))
2718 register_extension( "WGL_WINE_query_renderer" );
2719 opengl_funcs
.ext
.p_wglQueryCurrentRendererIntegerWINE
= X11DRV_wglQueryCurrentRendererIntegerWINE
;
2720 opengl_funcs
.ext
.p_wglQueryCurrentRendererStringWINE
= X11DRV_wglQueryCurrentRendererStringWINE
;
2721 opengl_funcs
.ext
.p_wglQueryRendererIntegerWINE
= X11DRV_wglQueryRendererIntegerWINE
;
2722 opengl_funcs
.ext
.p_wglQueryRendererStringWINE
= X11DRV_wglQueryRendererStringWINE
;
2728 * glxdrv_SwapBuffers
2730 * Swap the buffers of this DC
2732 static BOOL
glxdrv_wglSwapBuffers( HDC hdc
)
2734 struct x11drv_escape_flush_gl_drawable escape
;
2735 struct gl_drawable
*gl
;
2736 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
2737 INT64 ust
, msc
, sbc
, target_sbc
= 0;
2739 TRACE("(%p)\n", hdc
);
2741 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
2742 escape
.gl_drawable
= 0;
2743 escape
.flush
= !pglXWaitForSbcOML
;
2745 if (!(gl
= get_gl_drawable( NtUserWindowFromDC( hdc
), hdc
)))
2747 RtlSetLastWin32Error( ERROR_INVALID_HANDLE
);
2751 pthread_mutex_lock( &context_mutex
);
2752 if (gl
->refresh_swap_interval
)
2754 set_swap_interval(gl
->drawable
, gl
->swap_interval
);
2755 gl
->refresh_swap_interval
= FALSE
;
2757 pthread_mutex_unlock( &context_mutex
);
2761 case DC_GL_PIXMAP_WIN
:
2762 if (ctx
) sync_context( ctx
);
2763 escape
.gl_drawable
= gl
->pixmap
;
2764 if (ctx
&& pglXCopySubBufferMESA
) {
2765 /* (glX)SwapBuffers has an implicit glFlush effect, however
2766 * GLX_MESA_copy_sub_buffer doesn't. Make sure GL is flushed before
2769 pglXCopySubBufferMESA( gdi_display
, gl
->drawable
, 0, 0,
2770 gl
->pixmap_size
.cx
, gl
->pixmap_size
.cy
);
2773 if (ctx
&& pglXSwapBuffersMscOML
)
2776 target_sbc
= pglXSwapBuffersMscOML( gdi_display
, gl
->drawable
, 0, 0, 0 );
2779 pglXSwapBuffers(gdi_display
, gl
->drawable
);
2782 case DC_GL_CHILD_WIN
:
2783 if (ctx
) sync_context( ctx
);
2784 if (gl
->type
== DC_GL_CHILD_WIN
) escape
.gl_drawable
= gl
->window
;
2787 if (ctx
&& escape
.gl_drawable
&& pglXSwapBuffersMscOML
)
2790 target_sbc
= pglXSwapBuffersMscOML( gdi_display
, gl
->drawable
, 0, 0, 0 );
2793 pglXSwapBuffers(gdi_display
, gl
->drawable
);
2797 if (ctx
&& escape
.gl_drawable
&& pglXWaitForSbcOML
)
2798 pglXWaitForSbcOML( gdi_display
, gl
->drawable
, target_sbc
, &ust
, &msc
, &sbc
);
2800 release_gl_drawable( gl
);
2802 if (escape
.gl_drawable
)
2803 NtGdiExtEscape( ctx
? ctx
->hdc
: hdc
, NULL
, 0, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2807 static void glxdrv_get_pixel_formats( struct wgl_pixel_format
*formats
,
2808 UINT max_formats
, UINT
*num_formats
,
2809 UINT
*num_onscreen_formats
)
2815 *num_formats
= *num_onscreen_formats
= 0;
2820 for (i
= 0; i
< min( max_formats
, nb_pixel_formats
); ++i
)
2821 describe_pixel_format( i
+ 1, &formats
[i
] );
2823 *num_formats
= nb_pixel_formats
;
2824 *num_onscreen_formats
= nb_onscreen_formats
;
2827 static struct opengl_funcs opengl_funcs
=
2830 glxdrv_wglCopyContext
, /* p_wglCopyContext */
2831 glxdrv_wglCreateContext
, /* p_wglCreateContext */
2832 glxdrv_wglDeleteContext
, /* p_wglDeleteContext */
2833 glxdrv_wglGetPixelFormat
, /* p_wglGetPixelFormat */
2834 glxdrv_wglGetProcAddress
, /* p_wglGetProcAddress */
2835 glxdrv_wglMakeCurrent
, /* p_wglMakeCurrent */
2836 glxdrv_wglSetPixelFormat
, /* p_wglSetPixelFormat */
2837 glxdrv_wglShareLists
, /* p_wglShareLists */
2838 glxdrv_wglSwapBuffers
, /* p_wglSwapBuffers */
2839 glxdrv_get_pixel_formats
, /* p_get_pixel_formats */
2843 struct opengl_funcs
*get_glx_driver( UINT version
)
2845 if (version
!= WINE_WGL_DRIVER_VERSION
)
2847 ERR( "version mismatch, opengl32 wants %u but driver has %u\n", version
, WINE_WGL_DRIVER_VERSION
);
2850 if (has_opengl()) return &opengl_funcs
;
2854 #else /* no OpenGL includes */
2856 struct opengl_funcs
*get_glx_driver( UINT version
)
2861 void sync_gl_drawable( HWND hwnd
, BOOL known_child
)
2865 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
2869 void destroy_gl_drawable( HWND hwnd
)
2873 #endif /* defined(SONAME_LIBGL) */