2 * X11DRV OpenGL functions
4 * Copyright 2000 Lionel Ulmer
5 * Copyright 2005 Alex Woods
6 * Copyright 2005 Raphael Junqueira
7 * Copyright 2006-2009 Roderick Colenbrander
8 * Copyright 2006 Tomas Carnecky
9 * Copyright 2012 Alexandre Julliard
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 #include "wine/port.h"
33 #ifdef HAVE_SYS_SOCKET_H
34 #include <sys/socket.h>
41 #include "xcomposite.h"
43 #include "wine/library.h"
44 #include "wine/debug.h"
46 WINE_DEFAULT_DEBUG_CHANNEL(wgl
);
50 WINE_DECLARE_DEBUG_CHANNEL(winediag
);
53 #include "wine/wgl_driver.h"
54 #include "wine/wglext.h"
56 typedef struct __GLXcontextRec
*GLXContext
;
57 typedef struct __GLXFBConfigRec
*GLXFBConfig
;
58 typedef XID GLXPixmap
;
59 typedef XID GLXDrawable
;
60 typedef XID GLXFBConfigID
;
61 typedef XID GLXContextID
;
62 typedef XID GLXWindow
;
63 typedef XID GLXPbuffer
;
66 #define GLX_BUFFER_SIZE 2
69 #define GLX_DOUBLEBUFFER 5
71 #define GLX_AUX_BUFFERS 7
72 #define GLX_RED_SIZE 8
73 #define GLX_GREEN_SIZE 9
74 #define GLX_BLUE_SIZE 10
75 #define GLX_ALPHA_SIZE 11
76 #define GLX_DEPTH_SIZE 12
77 #define GLX_STENCIL_SIZE 13
78 #define GLX_ACCUM_RED_SIZE 14
79 #define GLX_ACCUM_GREEN_SIZE 15
80 #define GLX_ACCUM_BLUE_SIZE 16
81 #define GLX_ACCUM_ALPHA_SIZE 17
83 #define GLX_BAD_SCREEN 1
84 #define GLX_BAD_ATTRIBUTE 2
85 #define GLX_NO_EXTENSION 3
86 #define GLX_BAD_VISUAL 4
87 #define GLX_BAD_CONTEXT 5
88 #define GLX_BAD_VALUE 6
89 #define GLX_BAD_ENUM 7
93 #define GLX_EXTENSIONS 3
95 #define GLX_CONFIG_CAVEAT 0x20
96 #define GLX_DONT_CARE 0xFFFFFFFF
97 #define GLX_X_VISUAL_TYPE 0x22
98 #define GLX_TRANSPARENT_TYPE 0x23
99 #define GLX_TRANSPARENT_INDEX_VALUE 0x24
100 #define GLX_TRANSPARENT_RED_VALUE 0x25
101 #define GLX_TRANSPARENT_GREEN_VALUE 0x26
102 #define GLX_TRANSPARENT_BLUE_VALUE 0x27
103 #define GLX_TRANSPARENT_ALPHA_VALUE 0x28
104 #define GLX_WINDOW_BIT 0x00000001
105 #define GLX_PIXMAP_BIT 0x00000002
106 #define GLX_PBUFFER_BIT 0x00000004
107 #define GLX_AUX_BUFFERS_BIT 0x00000010
108 #define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
109 #define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
110 #define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
111 #define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
112 #define GLX_DEPTH_BUFFER_BIT 0x00000020
113 #define GLX_STENCIL_BUFFER_BIT 0x00000040
114 #define GLX_ACCUM_BUFFER_BIT 0x00000080
115 #define GLX_NONE 0x8000
116 #define GLX_SLOW_CONFIG 0x8001
117 #define GLX_TRUE_COLOR 0x8002
118 #define GLX_DIRECT_COLOR 0x8003
119 #define GLX_PSEUDO_COLOR 0x8004
120 #define GLX_STATIC_COLOR 0x8005
121 #define GLX_GRAY_SCALE 0x8006
122 #define GLX_STATIC_GRAY 0x8007
123 #define GLX_TRANSPARENT_RGB 0x8008
124 #define GLX_TRANSPARENT_INDEX 0x8009
125 #define GLX_VISUAL_ID 0x800B
126 #define GLX_SCREEN 0x800C
127 #define GLX_NON_CONFORMANT_CONFIG 0x800D
128 #define GLX_DRAWABLE_TYPE 0x8010
129 #define GLX_RENDER_TYPE 0x8011
130 #define GLX_X_RENDERABLE 0x8012
131 #define GLX_FBCONFIG_ID 0x8013
132 #define GLX_RGBA_TYPE 0x8014
133 #define GLX_COLOR_INDEX_TYPE 0x8015
134 #define GLX_MAX_PBUFFER_WIDTH 0x8016
135 #define GLX_MAX_PBUFFER_HEIGHT 0x8017
136 #define GLX_MAX_PBUFFER_PIXELS 0x8018
137 #define GLX_PRESERVED_CONTENTS 0x801B
138 #define GLX_LARGEST_PBUFFER 0x801C
139 #define GLX_WIDTH 0x801D
140 #define GLX_HEIGHT 0x801E
141 #define GLX_EVENT_MASK 0x801F
142 #define GLX_DAMAGED 0x8020
143 #define GLX_SAVED 0x8021
144 #define GLX_WINDOW 0x8022
145 #define GLX_PBUFFER 0x8023
146 #define GLX_PBUFFER_HEIGHT 0x8040
147 #define GLX_PBUFFER_WIDTH 0x8041
148 #define GLX_SWAP_METHOD_OML 0x8060
149 #define GLX_SWAP_EXCHANGE_OML 0x8061
150 #define GLX_SWAP_COPY_OML 0x8062
151 #define GLX_SWAP_UNDEFINED_OML 0x8063
152 #define GLX_RGBA_BIT 0x00000001
153 #define GLX_COLOR_INDEX_BIT 0x00000002
154 #define GLX_PBUFFER_CLOBBER_MASK 0x08000000
156 /** GLX_ARB_multisample */
157 #define GLX_SAMPLE_BUFFERS_ARB 100000
158 #define GLX_SAMPLES_ARB 100001
159 /** GLX_ARB_framebuffer_sRGB */
160 #define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
161 /** GLX_EXT_fbconfig_packed_float */
162 #define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
163 #define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008
164 /** GLX_ARB_create_context */
165 #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
166 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
167 #define GLX_CONTEXT_FLAGS_ARB 0x2094
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_NV_float_buffer */
176 #define GLX_FLOAT_COMPONENTS_NV 0x20B0
180 const char *glVersion
;
185 const char *glxServerVersion
;
186 const char *glxServerVendor
;
187 const char *glxServerExtensions
;
189 const char *glxClientVersion
;
190 const char *glxClientVendor
;
191 const char *glxClientExtensions
;
193 const char *glxExtensions
;
196 char wglExtensions
[4096];
199 struct wgl_pixel_format
201 GLXFBConfig fbconfig
;
204 DWORD dwFlags
; /* We store some PFD_* flags in here for emulated bitmap formats */
210 BOOL has_been_current
;
214 const struct wgl_pixel_format
*fmt
;
215 int numAttribs
; /* This is needed for delaying wglCreateContextAttribsARB */
216 int attribList
[16]; /* This is needed for delaying wglCreateContextAttribsARB */
218 Drawable drawables
[2];
219 BOOL refresh_drawables
;
226 const struct wgl_pixel_format
* fmt
;
230 int use_render_texture
; /* This is also the internal texture format */
231 int texture_bind_target
;
233 GLint texture_format
;
234 GLuint texture_target
;
242 DC_GL_NONE
, /* no GL support (pixel format not set yet) */
243 DC_GL_WINDOW
, /* normal top-level window */
244 DC_GL_CHILD_WIN
, /* child window using XComposite */
245 DC_GL_PIXMAP_WIN
, /* child window using intermediate pixmap */
246 DC_GL_PBUFFER
/* pseudo memory DC using a PBuffer */
251 enum dc_gl_type type
; /* type of GL surface */
252 Drawable drawable
; /* drawable for rendering to the client area */
253 Pixmap pixmap
; /* base pixmap if drawable is a GLXPixmap */
254 Colormap colormap
; /* colormap used for the drawable */
255 const struct wgl_pixel_format
*format
; /* pixel format for the drawable */
256 XVisualInfo
*visual
; /* information about the GL visual */
257 RECT rect
; /* drawable rect, relative to whole window drawable */
259 BOOL refresh_swap_interval
;
262 enum glx_swap_control_method
264 GLX_SWAP_CONTROL_NONE
,
265 GLX_SWAP_CONTROL_EXT
,
266 GLX_SWAP_CONTROL_SGI
,
267 GLX_SWAP_CONTROL_MESA
270 /* X context to associate a struct gl_drawable to an hwnd */
271 static XContext gl_hwnd_context
;
272 /* X context to associate a struct gl_drawable to a pbuffer hdc */
273 static XContext gl_pbuffer_context
;
275 static struct list context_list
= LIST_INIT( context_list
);
276 static struct WineGLInfo WineGLInfo
= { 0 };
277 static struct wgl_pixel_format
*pixel_formats
;
278 static int nb_pixel_formats
, nb_onscreen_formats
;
279 static BOOL use_render_texture_emulation
= TRUE
;
281 /* Selects the preferred GLX swap control method for use by wglSwapIntervalEXT */
282 static enum glx_swap_control_method swap_control_method
= GLX_SWAP_CONTROL_NONE
;
283 /* Set when GLX_EXT_swap_control_tear is supported, requires GLX_SWAP_CONTROL_EXT */
284 static BOOL has_swap_control_tear
= FALSE
;
285 static BOOL has_swap_method
= FALSE
;
287 static CRITICAL_SECTION context_section
;
288 static CRITICAL_SECTION_DEBUG critsect_debug
=
290 0, 0, &context_section
,
291 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
292 0, 0, { (DWORD_PTR
)(__FILE__
": context_section") }
294 static CRITICAL_SECTION context_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
296 static const BOOL is_win64
= sizeof(void *) > sizeof(int);
298 static struct opengl_funcs opengl_funcs
;
300 #define USE_GL_FUNC(name) #name,
301 static const char *opengl_func_names
[] = { ALL_WGL_FUNCS
};
304 static void X11DRV_WineGL_LoadExtensions(void);
305 static void init_pixel_formats( Display
*display
);
306 static BOOL
glxRequireVersion(int requiredVersion
);
308 static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR
*ppfd
) {
309 TRACE(" - size / version : %d / %d\n", ppfd
->nSize
, ppfd
->nVersion
);
310 TRACE(" - dwFlags : ");
311 #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
312 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DEPTH_DONTCARE
);
313 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER
);
314 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER_DONTCARE
);
315 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_WINDOW
);
316 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_BITMAP
);
317 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_ACCELERATED
);
318 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_FORMAT
);
319 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_PALETTE
);
320 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_SYSTEM_PALETTE
);
321 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO
);
322 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO_DONTCARE
);
323 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_GDI
);
324 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_OPENGL
);
325 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_COPY
);
326 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_EXCHANGE
);
327 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_LAYER_BUFFERS
);
328 /* PFD_SUPPORT_COMPOSITION is new in Vista, it is similar to composition
329 * under X e.g. COMPOSITE + GLX_EXT_TEXTURE_FROM_PIXMAP. */
330 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_COMPOSITION
);
334 TRACE(" - iPixelType : ");
335 switch (ppfd
->iPixelType
) {
336 case PFD_TYPE_RGBA
: TRACE("PFD_TYPE_RGBA"); break;
337 case PFD_TYPE_COLORINDEX
: TRACE("PFD_TYPE_COLORINDEX"); break;
341 TRACE(" - Color : %d\n", ppfd
->cColorBits
);
342 TRACE(" - Red : %d\n", ppfd
->cRedBits
);
343 TRACE(" - Green : %d\n", ppfd
->cGreenBits
);
344 TRACE(" - Blue : %d\n", ppfd
->cBlueBits
);
345 TRACE(" - Alpha : %d\n", ppfd
->cAlphaBits
);
346 TRACE(" - Accum : %d\n", ppfd
->cAccumBits
);
347 TRACE(" - Depth : %d\n", ppfd
->cDepthBits
);
348 TRACE(" - Stencil : %d\n", ppfd
->cStencilBits
);
349 TRACE(" - Aux : %d\n", ppfd
->cAuxBuffers
);
351 TRACE(" - iLayerType : ");
352 switch (ppfd
->iLayerType
) {
353 case PFD_MAIN_PLANE
: TRACE("PFD_MAIN_PLANE"); break;
354 case PFD_OVERLAY_PLANE
: TRACE("PFD_OVERLAY_PLANE"); break;
355 case (BYTE
)PFD_UNDERLAY_PLANE
: TRACE("PFD_UNDERLAY_PLANE"); break;
360 #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0)
361 #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0)
364 static XVisualInfo
* (*pglXChooseVisual
)( Display
*dpy
, int screen
, int *attribList
);
365 static GLXContext (*pglXCreateContext
)( Display
*dpy
, XVisualInfo
*vis
, GLXContext shareList
, Bool direct
);
366 static void (*pglXDestroyContext
)( Display
*dpy
, GLXContext ctx
);
367 static Bool (*pglXMakeCurrent
)( Display
*dpy
, GLXDrawable drawable
, GLXContext ctx
);
368 static void (*pglXCopyContext
)( Display
*dpy
, GLXContext src
, GLXContext dst
, unsigned long mask
);
369 static void (*pglXSwapBuffers
)( Display
*dpy
, GLXDrawable drawable
);
370 static GLXPixmap (*pglXCreateGLXPixmap
)( Display
*dpy
, XVisualInfo
*visual
, Pixmap pixmap
);
371 static void (*pglXDestroyGLXPixmap
)( Display
*dpy
, GLXPixmap pixmap
);
372 static Bool (*pglXQueryExtension
)( Display
*dpy
, int *errorb
, int *event
);
373 static Bool (*pglXQueryVersion
)( Display
*dpy
, int *maj
, int *min
);
374 static Bool (*pglXIsDirect
)( Display
*dpy
, GLXContext ctx
);
375 static int (*pglXGetConfig
)( Display
*dpy
, XVisualInfo
*visual
, int attrib
, int *value
);
376 static GLXContext (*pglXGetCurrentContext
)( void );
377 static GLXDrawable (*pglXGetCurrentDrawable
)( void );
380 static const char *(*pglXQueryExtensionsString
)( Display
*dpy
, int screen
);
381 static const char *(*pglXQueryServerString
)( Display
*dpy
, int screen
, int name
);
382 static const char *(*pglXGetClientString
)( Display
*dpy
, int name
);
385 static GLXFBConfig
*(*pglXChooseFBConfig
)( Display
*dpy
, int screen
, const int *attribList
, int *nitems
);
386 static int (*pglXGetFBConfigAttrib
)( Display
*dpy
, GLXFBConfig config
, int attribute
, int *value
);
387 static GLXFBConfig
*(*pglXGetFBConfigs
)( Display
*dpy
, int screen
, int *nelements
);
388 static XVisualInfo
*(*pglXGetVisualFromFBConfig
)( Display
*dpy
, GLXFBConfig config
);
389 static GLXPbuffer (*pglXCreatePbuffer
)( Display
*dpy
, GLXFBConfig config
, const int *attribList
);
390 static void (*pglXDestroyPbuffer
)( Display
*dpy
, GLXPbuffer pbuf
);
391 static void (*pglXQueryDrawable
)( Display
*dpy
, GLXDrawable draw
, int attribute
, unsigned int *value
);
392 static GLXContext (*pglXCreateNewContext
)( Display
*dpy
, GLXFBConfig config
, int renderType
, GLXContext shareList
, Bool direct
);
393 static Bool (*pglXMakeContextCurrent
)( Display
*dpy
, GLXDrawable draw
, GLXDrawable read
, GLXContext ctx
);
396 static GLXContext (*pglXCreateContextAttribsARB
)(Display
*dpy
, GLXFBConfig config
, GLXContext share_context
, Bool direct
, const int *attrib_list
);
397 static void* (*pglXGetProcAddressARB
)(const GLubyte
*);
398 static void (*pglXSwapIntervalEXT
)(Display
*dpy
, GLXDrawable drawable
, int interval
);
399 static int (*pglXSwapIntervalSGI
)(int);
401 /* NV GLX Extension */
402 static void* (*pglXAllocateMemoryNV
)(GLsizei size
, GLfloat readfreq
, GLfloat writefreq
, GLfloat priority
);
403 static void (*pglXFreeMemoryNV
)(GLvoid
*pointer
);
405 /* MESA GLX Extensions */
406 static void (*pglXCopySubBufferMESA
)(Display
*dpy
, GLXDrawable drawable
, int x
, int y
, int width
, int height
);
407 static int (*pglXSwapIntervalMESA
)(unsigned int interval
);
409 /* Standard OpenGL */
410 static void (*pglFinish
)(void);
411 static void (*pglFlush
)(void);
412 static const GLubyte
*(*pglGetString
)(GLenum name
);
414 static void wglFinish(void);
415 static void wglFlush(void);
416 static const GLubyte
*wglGetString(GLenum name
);
418 /* check if the extension is present in the list */
419 static BOOL
has_extension( const char *list
, const char *ext
)
421 size_t len
= strlen( ext
);
425 while (*list
== ' ') list
++;
426 if (!strncmp( list
, ext
, len
) && (!list
[len
] || list
[len
] == ' ')) return TRUE
;
427 list
= strchr( list
, ' ' );
432 static int GLXErrorHandler(Display
*dpy
, XErrorEvent
*event
, void *arg
)
434 /* In the future we might want to find the exact X or GLX error to report back to the app */
438 static BOOL
X11DRV_WineGL_InitOpenglInfo(void)
440 static const char legacy_extensions
[] = " WGL_EXT_extensions_string WGL_EXT_swap_control";
442 int screen
= DefaultScreen(gdi_display
);
443 Window win
= 0, root
= 0;
444 const char *gl_renderer
;
447 GLXContext ctx
= NULL
;
448 XSetWindowAttributes attr
;
450 int attribList
[] = {GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
452 attr
.override_redirect
= True
;
453 attr
.colormap
= None
;
454 attr
.border_pixel
= 0;
456 vis
= pglXChooseVisual(gdi_display
, screen
, attribList
);
459 WORD old_fs
= wine_get_fs();
460 /* Create a GLX Context. Without one we can't query GL information */
461 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
462 if (wine_get_fs() != old_fs
)
464 wine_set_fs( old_fs
);
465 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
466 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
470 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
475 root
= RootWindow( gdi_display
, vis
->screen
);
476 if (vis
->visual
!= DefaultVisual( gdi_display
, vis
->screen
))
477 attr
.colormap
= XCreateColormap( gdi_display
, root
, vis
->visual
, AllocNone
);
478 if ((win
= XCreateWindow( gdi_display
, root
, -1, -1, 1, 1, 0, vis
->depth
, InputOutput
,
479 vis
->visual
, CWBorderPixel
| CWOverrideRedirect
| CWColormap
, &attr
)))
480 XMapWindow( gdi_display
, win
);
484 if(pglXMakeCurrent(gdi_display
, win
, ctx
) == 0)
486 ERR_(winediag
)( "Unable to activate OpenGL context, most likely your %s OpenGL drivers haven't been "
487 "installed correctly\n", is_win64
? "64-bit" : "32-bit" );
490 gl_renderer
= (const char *)opengl_funcs
.gl
.p_glGetString(GL_RENDERER
);
491 WineGLInfo
.glVersion
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_VERSION
);
492 str
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_EXTENSIONS
);
493 WineGLInfo
.glExtensions
= HeapAlloc(GetProcessHeap(), 0, strlen(str
)+sizeof(legacy_extensions
));
494 strcpy(WineGLInfo
.glExtensions
, str
);
495 strcat(WineGLInfo
.glExtensions
, legacy_extensions
);
497 /* Get the common GLX version supported by GLX client and server ( major/minor) */
498 pglXQueryVersion(gdi_display
, &WineGLInfo
.glxVersion
[0], &WineGLInfo
.glxVersion
[1]);
500 WineGLInfo
.glxServerVersion
= pglXQueryServerString(gdi_display
, screen
, GLX_VERSION
);
501 WineGLInfo
.glxServerVendor
= pglXQueryServerString(gdi_display
, screen
, GLX_VENDOR
);
502 WineGLInfo
.glxServerExtensions
= pglXQueryServerString(gdi_display
, screen
, GLX_EXTENSIONS
);
504 WineGLInfo
.glxClientVersion
= pglXGetClientString(gdi_display
, GLX_VERSION
);
505 WineGLInfo
.glxClientVendor
= pglXGetClientString(gdi_display
, GLX_VENDOR
);
506 WineGLInfo
.glxClientExtensions
= pglXGetClientString(gdi_display
, GLX_EXTENSIONS
);
508 WineGLInfo
.glxExtensions
= pglXQueryExtensionsString(gdi_display
, screen
);
509 WineGLInfo
.glxDirect
= pglXIsDirect(gdi_display
, ctx
);
511 TRACE("GL version : %s.\n", WineGLInfo
.glVersion
);
512 TRACE("GL renderer : %s.\n", gl_renderer
);
513 TRACE("GLX version : %d.%d.\n", WineGLInfo
.glxVersion
[0], WineGLInfo
.glxVersion
[1]);
514 TRACE("Server GLX version : %s.\n", WineGLInfo
.glxServerVersion
);
515 TRACE("Server GLX vendor: : %s.\n", WineGLInfo
.glxServerVendor
);
516 TRACE("Client GLX version : %s.\n", WineGLInfo
.glxClientVersion
);
517 TRACE("Client GLX vendor: : %s.\n", WineGLInfo
.glxClientVendor
);
518 TRACE("Direct rendering enabled: %s\n", WineGLInfo
.glxDirect
? "True" : "False");
520 if(!WineGLInfo
.glxDirect
)
522 int fd
= ConnectionNumber(gdi_display
);
523 struct sockaddr_un uaddr
;
524 unsigned int uaddrlen
= sizeof(struct sockaddr_un
);
526 /* In general indirect rendering on a local X11 server indicates a driver problem.
527 * Detect a local X11 server by checking whether the X11 socket is a Unix socket.
529 if(!getsockname(fd
, (struct sockaddr
*)&uaddr
, &uaddrlen
) && uaddr
.sun_family
== AF_UNIX
)
530 ERR_(winediag
)("Direct rendering is disabled, most likely your %s OpenGL drivers "
531 "haven't been installed correctly (using GL renderer %s, version %s).\n",
532 is_win64
? "64-bit" : "32-bit", debugstr_a(gl_renderer
),
533 debugstr_a(WineGLInfo
.glVersion
));
537 /* In general you would expect that if direct rendering is returned, that you receive hardware
538 * accelerated OpenGL rendering. The definition of direct rendering is that rendering is performed
539 * client side without sending all GL commands to X using the GLX protocol. When Mesa falls back to
540 * software rendering, it shows direct rendering.
542 * Depending on the cause of software rendering a different rendering string is shown. In case Mesa fails
543 * to load a DRI module 'Software Rasterizer' is returned. When Mesa is compiled as a OpenGL reference driver
544 * it shows 'Mesa X11'.
546 if(!strcmp(gl_renderer
, "Software Rasterizer") || !strcmp(gl_renderer
, "Mesa X11"))
547 ERR_(winediag
)("The Mesa OpenGL driver is using software rendering, most likely your %s OpenGL "
548 "drivers haven't been installed correctly (using GL renderer %s, version %s).\n",
549 is_win64
? "64-bit" : "32-bit", debugstr_a(gl_renderer
),
550 debugstr_a(WineGLInfo
.glVersion
));
557 pglXMakeCurrent(gdi_display
, None
, NULL
);
558 pglXDestroyContext(gdi_display
, ctx
);
560 if (win
!= root
) XDestroyWindow( gdi_display
, win
);
561 if (attr
.colormap
) XFreeColormap( gdi_display
, attr
.colormap
);
562 if (!ret
) ERR(" couldn't initialize OpenGL, expect problems\n");
566 static BOOL
has_opengl(void)
568 static BOOL init_done
= FALSE
;
569 static void *opengl_handle
;
572 int error_base
, event_base
;
575 if (init_done
) return (opengl_handle
!= NULL
);
578 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
579 and include all dependencies */
580 opengl_handle
= wine_dlopen(SONAME_LIBGL
, RTLD_NOW
|RTLD_GLOBAL
, buffer
, sizeof(buffer
));
581 if (opengl_handle
== NULL
)
583 ERR( "Failed to load libGL: %s\n", buffer
);
584 ERR( "OpenGL support is disabled.\n");
588 for (i
= 0; i
< sizeof(opengl_func_names
)/sizeof(opengl_func_names
[0]); i
++)
590 if (!(((void **)&opengl_funcs
.gl
)[i
] = wine_dlsym( opengl_handle
, opengl_func_names
[i
], NULL
, 0 )))
592 ERR( "%s not found in libGL, disabling OpenGL.\n", opengl_func_names
[i
] );
597 /* redirect some standard OpenGL functions */
598 #define REDIRECT(func) \
599 do { p##func = opengl_funcs.gl.p_##func; opengl_funcs.gl.p_##func = w##func; } while(0)
600 REDIRECT( glFinish
);
602 REDIRECT( glGetString
);
605 pglXGetProcAddressARB
= wine_dlsym(opengl_handle
, "glXGetProcAddressARB", NULL
, 0);
606 if (pglXGetProcAddressARB
== NULL
) {
607 ERR("Could not find glXGetProcAddressARB in libGL, disabling OpenGL.\n");
611 #define LOAD_FUNCPTR(f) do if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) \
613 ERR( "%s not found in libGL, disabling OpenGL.\n", #f ); \
618 LOAD_FUNCPTR(glXChooseVisual
);
619 LOAD_FUNCPTR(glXCopyContext
);
620 LOAD_FUNCPTR(glXCreateContext
);
621 LOAD_FUNCPTR(glXCreateGLXPixmap
);
622 LOAD_FUNCPTR(glXGetCurrentContext
);
623 LOAD_FUNCPTR(glXGetCurrentDrawable
);
624 LOAD_FUNCPTR(glXDestroyContext
);
625 LOAD_FUNCPTR(glXDestroyGLXPixmap
);
626 LOAD_FUNCPTR(glXGetConfig
);
627 LOAD_FUNCPTR(glXIsDirect
);
628 LOAD_FUNCPTR(glXMakeCurrent
);
629 LOAD_FUNCPTR(glXSwapBuffers
);
630 LOAD_FUNCPTR(glXQueryExtension
);
631 LOAD_FUNCPTR(glXQueryVersion
);
634 LOAD_FUNCPTR(glXGetClientString
);
635 LOAD_FUNCPTR(glXQueryExtensionsString
);
636 LOAD_FUNCPTR(glXQueryServerString
);
639 LOAD_FUNCPTR(glXCreatePbuffer
);
640 LOAD_FUNCPTR(glXCreateNewContext
);
641 LOAD_FUNCPTR(glXDestroyPbuffer
);
642 LOAD_FUNCPTR(glXMakeContextCurrent
);
643 LOAD_FUNCPTR(glXGetFBConfigs
);
646 /* It doesn't matter if these fail. They'll only be used if the driver reports
647 the associated extension is available (and if a driver reports the extension
648 is available but fails to provide the functions, it's quite broken) */
649 #define LOAD_FUNCPTR(f) p##f = pglXGetProcAddressARB((const GLubyte *)#f)
650 /* ARB GLX Extension */
651 LOAD_FUNCPTR(glXCreateContextAttribsARB
);
652 /* EXT GLX Extension */
653 LOAD_FUNCPTR(glXSwapIntervalEXT
);
654 /* MESA GLX Extension */
655 LOAD_FUNCPTR(glXSwapIntervalMESA
);
656 /* SGI GLX Extension */
657 LOAD_FUNCPTR(glXSwapIntervalSGI
);
658 /* NV GLX Extension */
659 LOAD_FUNCPTR(glXAllocateMemoryNV
);
660 LOAD_FUNCPTR(glXFreeMemoryNV
);
663 if(!X11DRV_WineGL_InitOpenglInfo()) goto failed
;
665 if (pglXQueryExtension(gdi_display
, &error_base
, &event_base
)) {
666 TRACE("GLX is up and running error_base = %d\n", error_base
);
668 ERR( "GLX extension is missing, disabling OpenGL.\n" );
671 gl_hwnd_context
= XUniqueContext();
672 gl_pbuffer_context
= XUniqueContext();
674 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
675 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
678 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
679 * depends on the reported GLX client / server version and on the client / server extension list.
680 * Those don't have to be the same.
682 * In general the server GLX information lists the capabilities in case of indirect rendering.
683 * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are
684 * available and in that case the client GLX informat can be used.
685 * OpenGL programs should use the 'intersection' of both sets of information which is advertised
686 * in the GLX version/extension list. When a program does this it works for certain for both
687 * direct and indirect rendering.
689 * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason
690 * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client
691 * extension list which causes this extension not to be listed. (Wine requires this extension).
692 * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among
693 * pbuffers is around.
695 * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect
696 * the ATI drivers and from then on use GLX client information for them.
699 if(glxRequireVersion(3)) {
700 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
701 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
702 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
703 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
704 } else if (has_extension( WineGLInfo
.glxExtensions
, "GLX_SGIX_fbconfig")) {
705 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfigSGIX");
706 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttribSGIX");
707 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfigSGIX");
709 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
710 * enable this function when the Xserver understand GLX 1.3 or newer
712 pglXQueryDrawable
= NULL
;
713 } else if(strcmp("ATI", WineGLInfo
.glxClientVendor
) == 0) {
714 TRACE("Overriding ATI GLX capabilities!\n");
715 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
716 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
717 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
718 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
720 /* Use client GLX information in case of the ATI drivers. We override the
721 * capabilities over here and not somewhere else as ATI might better their
722 * life in the future. In case they release proper drivers this block of
723 * code won't be called. */
724 WineGLInfo
.glxExtensions
= WineGLInfo
.glxClientExtensions
;
726 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", WineGLInfo
.glxServerVersion
);
729 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_MESA_copy_sub_buffer")) {
730 pglXCopySubBufferMESA
= pglXGetProcAddressARB((const GLubyte
*) "glXCopySubBufferMESA");
733 X11DRV_WineGL_LoadExtensions();
734 init_pixel_formats( gdi_display
);
738 wine_dlclose(opengl_handle
, NULL
, 0);
739 opengl_handle
= NULL
;
743 static int describeContext( struct wgl_context
*ctx
) {
746 TRACE(" Context %p have (vis:%p):\n", ctx
, ctx
->vis
);
747 pglXGetFBConfigAttrib(gdi_display
, ctx
->fmt
->fbconfig
, GLX_FBCONFIG_ID
, &tmp
);
748 TRACE(" - FBCONFIG_ID 0x%x\n", tmp
);
749 pglXGetFBConfigAttrib(gdi_display
, ctx
->fmt
->fbconfig
, GLX_VISUAL_ID
, &tmp
);
750 TRACE(" - VISUAL_ID 0x%x\n", tmp
);
755 static int ConvertAttribWGLtoGLX(const int* iWGLAttr
, int* oGLXAttr
, struct wgl_pbuffer
* pbuf
) {
760 int nvfloatattrib
= GLX_DONT_CARE
;
761 int pixelattrib
= GLX_DONT_CARE
;
763 /* The list of WGL attributes is allowed to be NULL. We don't return here for NULL
764 * because we need to do fixups for GLX_DRAWABLE_TYPE/GLX_RENDER_TYPE/GLX_FLOAT_COMPONENTS_NV. */
765 while (iWGLAttr
&& 0 != iWGLAttr
[cur
]) {
766 TRACE("pAttr[%d] = %x\n", cur
, iWGLAttr
[cur
]);
768 switch (iWGLAttr
[cur
]) {
769 case WGL_AUX_BUFFERS_ARB
:
770 pop
= iWGLAttr
[++cur
];
771 PUSH2(oGLXAttr
, GLX_AUX_BUFFERS
, pop
);
772 TRACE("pAttr[%d] = GLX_AUX_BUFFERS: %d\n", cur
, pop
);
774 case WGL_COLOR_BITS_ARB
:
775 pop
= iWGLAttr
[++cur
];
776 PUSH2(oGLXAttr
, GLX_BUFFER_SIZE
, pop
);
777 TRACE("pAttr[%d] = GLX_BUFFER_SIZE: %d\n", cur
, pop
);
779 case WGL_BLUE_BITS_ARB
:
780 pop
= iWGLAttr
[++cur
];
781 PUSH2(oGLXAttr
, GLX_BLUE_SIZE
, pop
);
782 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur
, pop
);
784 case WGL_RED_BITS_ARB
:
785 pop
= iWGLAttr
[++cur
];
786 PUSH2(oGLXAttr
, GLX_RED_SIZE
, pop
);
787 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur
, pop
);
789 case WGL_GREEN_BITS_ARB
:
790 pop
= iWGLAttr
[++cur
];
791 PUSH2(oGLXAttr
, GLX_GREEN_SIZE
, pop
);
792 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur
, pop
);
794 case WGL_ALPHA_BITS_ARB
:
795 pop
= iWGLAttr
[++cur
];
796 PUSH2(oGLXAttr
, GLX_ALPHA_SIZE
, pop
);
797 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur
, pop
);
799 case WGL_DEPTH_BITS_ARB
:
800 pop
= iWGLAttr
[++cur
];
801 PUSH2(oGLXAttr
, GLX_DEPTH_SIZE
, pop
);
802 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur
, pop
);
804 case WGL_STENCIL_BITS_ARB
:
805 pop
= iWGLAttr
[++cur
];
806 PUSH2(oGLXAttr
, GLX_STENCIL_SIZE
, pop
);
807 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur
, pop
);
809 case WGL_DOUBLE_BUFFER_ARB
:
810 pop
= iWGLAttr
[++cur
];
811 PUSH2(oGLXAttr
, GLX_DOUBLEBUFFER
, pop
);
812 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur
, pop
);
815 pop
= iWGLAttr
[++cur
];
816 PUSH2(oGLXAttr
, GLX_STEREO
, pop
);
817 TRACE("pAttr[%d] = GLX_STEREO: %d\n", cur
, pop
);
820 case WGL_PIXEL_TYPE_ARB
:
821 pop
= iWGLAttr
[++cur
];
822 TRACE("pAttr[%d] = WGL_PIXEL_TYPE_ARB: %d\n", cur
, pop
);
824 case WGL_TYPE_COLORINDEX_ARB
: pixelattrib
= GLX_COLOR_INDEX_BIT
; break ;
825 case WGL_TYPE_RGBA_ARB
: pixelattrib
= GLX_RGBA_BIT
; break ;
826 /* This is the same as WGL_TYPE_RGBA_FLOAT_ATI but the GLX constants differ, only the ARB GLX one is widely supported so use that */
827 case WGL_TYPE_RGBA_FLOAT_ATI
: pixelattrib
= GLX_RGBA_FLOAT_BIT
; break ;
828 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
: pixelattrib
= GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
; break ;
830 ERR("unexpected PixelType(%x)\n", pop
);
835 case WGL_SUPPORT_GDI_ARB
:
836 /* This flag is set in a pixel format */
837 pop
= iWGLAttr
[++cur
];
838 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur
, pop
);
841 case WGL_DRAW_TO_BITMAP_ARB
:
842 /* This flag is set in a pixel format */
843 pop
= iWGLAttr
[++cur
];
844 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur
, pop
);
847 case WGL_DRAW_TO_WINDOW_ARB
:
848 pop
= iWGLAttr
[++cur
];
849 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur
, pop
);
850 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
852 drawattrib
|= GLX_WINDOW_BIT
;
856 case WGL_DRAW_TO_PBUFFER_ARB
:
857 pop
= iWGLAttr
[++cur
];
858 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur
, pop
);
859 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
861 drawattrib
|= GLX_PBUFFER_BIT
;
865 case WGL_ACCELERATION_ARB
:
866 /* This flag is set in a pixel format */
867 pop
= iWGLAttr
[++cur
];
868 TRACE("pAttr[%d] = WGL_ACCELERATION_ARB: %d\n", cur
, pop
);
871 case WGL_SUPPORT_OPENGL_ARB
:
872 pop
= iWGLAttr
[++cur
];
873 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
874 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur
, pop
);
877 case WGL_SWAP_METHOD_ARB
:
878 pop
= iWGLAttr
[++cur
];
879 TRACE("pAttr[%d] = WGL_SWAP_METHOD_ARB: %#x\n", cur
, pop
);
884 case WGL_SWAP_EXCHANGE_ARB
:
885 pop
= GLX_SWAP_EXCHANGE_OML
;
887 case WGL_SWAP_COPY_ARB
:
888 pop
= GLX_SWAP_COPY_OML
;
890 case WGL_SWAP_UNDEFINED_ARB
:
891 pop
= GLX_SWAP_UNDEFINED_OML
;
894 ERR("Unexpected swap method %#x.\n", pop
);
897 PUSH2(oGLXAttr
, GLX_SWAP_METHOD_OML
, pop
);
901 WARN("GLX_OML_swap_method not supported, ignoring attribute.\n");
905 case WGL_PBUFFER_LARGEST_ARB
:
906 pop
= iWGLAttr
[++cur
];
907 PUSH2(oGLXAttr
, GLX_LARGEST_PBUFFER
, pop
);
908 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur
, pop
);
911 case WGL_SAMPLE_BUFFERS_ARB
:
912 pop
= iWGLAttr
[++cur
];
913 PUSH2(oGLXAttr
, GLX_SAMPLE_BUFFERS_ARB
, pop
);
914 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur
, pop
);
917 case WGL_SAMPLES_ARB
:
918 pop
= iWGLAttr
[++cur
];
919 PUSH2(oGLXAttr
, GLX_SAMPLES_ARB
, pop
);
920 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur
, pop
);
923 case WGL_TEXTURE_FORMAT_ARB
:
924 case WGL_TEXTURE_TARGET_ARB
:
925 case WGL_MIPMAP_TEXTURE_ARB
:
926 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr
[cur
], iWGLAttr
[cur
+ 1]);
927 pop
= iWGLAttr
[++cur
];
929 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr
[cur
]);
931 if (!use_render_texture_emulation
) {
932 if (WGL_NO_TEXTURE_ARB
!= pop
) {
933 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr
[cur
]);
934 return -1; /** error: don't support it */
936 drawattrib
|= GLX_PBUFFER_BIT
;
940 case WGL_FLOAT_COMPONENTS_NV
:
941 nvfloatattrib
= iWGLAttr
[++cur
];
942 TRACE("pAttr[%d] = WGL_FLOAT_COMPONENTS_NV: %x\n", cur
, nvfloatattrib
);
944 case WGL_BIND_TO_TEXTURE_DEPTH_NV
:
945 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
946 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
947 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV
:
948 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV
:
949 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV
:
950 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV
:
951 pop
= iWGLAttr
[++cur
];
952 /** cannot be converted, see direct handling on
953 * - wglGetPixelFormatAttribivARB
954 * TODO: wglChoosePixelFormat
957 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
958 pop
= iWGLAttr
[++cur
];
959 PUSH2(oGLXAttr
, GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
, pop
);
960 TRACE("pAttr[%d] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT: %x\n", cur
, pop
);
963 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
964 pop
= iWGLAttr
[++cur
];
965 PUSH2(oGLXAttr
, GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
, pop
);
966 TRACE("pAttr[%d] = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT: %x\n", cur
, pop
);
969 FIXME("unsupported %x WGL Attribute\n", iWGLAttr
[cur
]);
976 /* By default glXChooseFBConfig defaults to GLX_WINDOW_BIT. wglChoosePixelFormatARB searches through
977 * all formats. Unless drawattrib is set to a non-zero value override it with GLX_DONT_CARE, so that
978 * pixmap and pbuffer formats appear as well. */
979 if (!drawattrib
) drawattrib
= GLX_DONT_CARE
;
980 PUSH2(oGLXAttr
, GLX_DRAWABLE_TYPE
, drawattrib
);
981 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib
);
983 /* By default glXChooseFBConfig uses GLX_RGBA_BIT as the default value. Since wglChoosePixelFormatARB
984 * searches in all formats we have to do the same. For this reason we set GLX_RENDER_TYPE to
985 * GLX_DONT_CARE unless it is overridden. */
986 PUSH2(oGLXAttr
, GLX_RENDER_TYPE
, pixelattrib
);
987 TRACE("pAttr[?] = GLX_RENDER_TYPE: %#x\n", pixelattrib
);
989 /* Set GLX_FLOAT_COMPONENTS_NV all the time */
990 if (has_extension(WineGLInfo
.glxExtensions
, "GLX_NV_float_buffer")) {
991 PUSH2(oGLXAttr
, GLX_FLOAT_COMPONENTS_NV
, nvfloatattrib
);
992 TRACE("pAttr[?] = GLX_FLOAT_COMPONENTS_NV: %#x\n", nvfloatattrib
);
998 static int get_render_type_from_fbconfig(Display
*display
, GLXFBConfig fbconfig
)
1000 int render_type
=0, render_type_bit
;
1001 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_RENDER_TYPE
, &render_type_bit
);
1002 switch(render_type_bit
)
1005 render_type
= GLX_RGBA_TYPE
;
1007 case GLX_COLOR_INDEX_BIT
:
1008 render_type
= GLX_COLOR_INDEX_TYPE
;
1010 case GLX_RGBA_FLOAT_BIT
:
1011 render_type
= GLX_RGBA_FLOAT_TYPE
;
1013 case GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
:
1014 render_type
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
1017 ERR("Unknown render_type: %x\n", render_type_bit
);
1022 /* Check whether a fbconfig is suitable for Windows-style bitmap rendering */
1023 static BOOL
check_fbconfig_bitmap_capability(Display
*display
, GLXFBConfig fbconfig
)
1026 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_DOUBLEBUFFER
, &dbuf
);
1027 pglXGetFBConfigAttrib(gdi_display
, fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1029 /* Windows only supports bitmap rendering on single buffered formats, further the fbconfig needs to have
1030 * the GLX_PIXMAP_BIT set. */
1031 return !dbuf
&& (value
& GLX_PIXMAP_BIT
);
1034 static void init_pixel_formats( Display
*display
)
1036 struct wgl_pixel_format
*list
;
1037 int size
= 0, onscreen_size
= 0;
1038 int fmt_id
, nCfgs
, i
, run
, bmp_formats
;
1040 XVisualInfo
*visinfo
;
1042 cfgs
= pglXGetFBConfigs(display
, DefaultScreen(display
), &nCfgs
);
1043 if (NULL
== cfgs
|| 0 == nCfgs
) {
1044 if(cfgs
!= NULL
) XFree(cfgs
);
1045 ERR("glXChooseFBConfig returns NULL\n");
1049 /* Bitmap rendering on Windows implies the use of the Microsoft GDI software renderer.
1050 * Further most GLX drivers only offer pixmap rendering using indirect rendering (except for modern drivers which support 'AIGLX' / composite).
1051 * Indirect rendering can indicate software rendering (on Nvidia it is hw accelerated)
1052 * Since bitmap rendering implies the use of software rendering we can safely use indirect rendering for bitmaps.
1054 * Below we count the number of formats which are suitable for bitmap rendering. Windows restricts bitmap rendering to single buffered formats.
1056 for(i
=0, bmp_formats
=0; i
<nCfgs
; i
++)
1058 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
1061 TRACE("Found %d bitmap capable fbconfigs\n", bmp_formats
);
1063 list
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (nCfgs
+ bmp_formats
) * sizeof(*list
));
1065 /* Fill the pixel format list. Put onscreen formats at the top and offscreen ones at the bottom.
1066 * Do this as GLX doesn't guarantee that the list is sorted */
1067 for(run
=0; run
< 2; run
++)
1069 for(i
=0; i
<nCfgs
; i
++) {
1070 pglXGetFBConfigAttrib(display
, cfgs
[i
], GLX_FBCONFIG_ID
, &fmt_id
);
1071 visinfo
= pglXGetVisualFromFBConfig(display
, cfgs
[i
]);
1073 /* The first run we only add onscreen formats (ones which have an associated X Visual).
1074 * The second run we only set offscreen formats. */
1077 /* We implement child window rendering using offscreen buffers (using composite or an XPixmap).
1078 * The contents is copied to the destination using XCopyArea. For the copying to work
1079 * the depth of the source and destination window should be the same. In general this should
1080 * not be a problem for OpenGL as drivers only advertise formats with a similar depth (or no depth).
1081 * As of the introduction of composition managers at least Nvidia now also offers ARGB visuals
1082 * with a depth of 32 in addition to the default 24 bit. In order to prevent BadMatch errors we only
1083 * list formats with the same depth. */
1084 if(visinfo
->depth
!= default_visual
.depth
)
1090 TRACE("Found onscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1091 list
[size
].fbconfig
= cfgs
[i
];
1092 list
[size
].fmt_id
= fmt_id
;
1093 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1094 list
[size
].dwFlags
= 0;
1098 /* Clone a format if it is bitmap capable for indirect rendering to bitmaps */
1099 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
1101 TRACE("Found bitmap capable format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1102 list
[size
].fbconfig
= cfgs
[i
];
1103 list
[size
].fmt_id
= fmt_id
;
1104 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1105 list
[size
].dwFlags
= PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
| PFD_GENERIC_FORMAT
;
1109 } else if(run
&& !visinfo
) {
1110 int window_drawable
=0;
1111 pglXGetFBConfigAttrib(gdi_display
, cfgs
[i
], GLX_DRAWABLE_TYPE
, &window_drawable
);
1113 /* Recent Nvidia drivers and DRI drivers offer window drawable formats without a visual.
1114 * This are formats like 16-bit rgb on a 24-bit desktop. In order to support these formats
1115 * onscreen we would have to use glXCreateWindow instead of XCreateWindow. Further it will
1116 * likely make our child window opengl rendering more complicated since likely you can't use
1117 * XCopyArea on a GLX Window.
1118 * For now ignore fbconfigs which are window drawable but lack a visual. */
1119 if(window_drawable
& GLX_WINDOW_BIT
)
1121 TRACE("Skipping FBCONFIG_ID 0x%x as an offscreen format because it is window_drawable\n", fmt_id
);
1125 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1126 list
[size
].fbconfig
= cfgs
[i
];
1127 list
[size
].fmt_id
= fmt_id
;
1128 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1129 list
[size
].dwFlags
= 0;
1133 if (visinfo
) XFree(visinfo
);
1139 pixel_formats
= list
;
1140 nb_pixel_formats
= size
;
1141 nb_onscreen_formats
= onscreen_size
;
1144 static inline BOOL
is_valid_pixel_format( int format
)
1146 return format
> 0 && format
<= nb_pixel_formats
;
1149 static inline BOOL
is_onscreen_pixel_format( int format
)
1151 return format
> 0 && format
<= nb_onscreen_formats
;
1154 static inline int pixel_format_index( const struct wgl_pixel_format
*format
)
1156 return format
- pixel_formats
+ 1;
1159 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
1160 * In our WGL implementation we only support a subset of these formats namely the format of
1161 * Wine's main visual and offscreen formats (if they are available).
1162 * This function converts a WGL format to its corresponding GLX one.
1164 static const struct wgl_pixel_format
*get_pixel_format(Display
*display
, int iPixelFormat
, BOOL AllowOffscreen
)
1166 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
1167 * iPixelFormat in case of probing the number of pixelformats.
1169 if (is_valid_pixel_format( iPixelFormat
) &&
1170 (is_onscreen_pixel_format( iPixelFormat
) || AllowOffscreen
)) {
1171 TRACE("Returning fmt_id=%#x for iPixelFormat=%d\n",
1172 pixel_formats
[iPixelFormat
-1].fmt_id
, iPixelFormat
);
1173 return &pixel_formats
[iPixelFormat
-1];
1178 /* Mark any allocated context using the glx drawable 'old' to use 'new' */
1179 static void mark_drawable_dirty(Drawable old
, Drawable
new)
1181 struct wgl_context
*ctx
;
1183 LIST_FOR_EACH_ENTRY( ctx
, &context_list
, struct wgl_context
, entry
)
1185 if (old
== ctx
->drawables
[0]) {
1186 ctx
->drawables
[0] = new;
1187 ctx
->refresh_drawables
= TRUE
;
1189 if (old
== ctx
->drawables
[1]) {
1190 ctx
->drawables
[1] = new;
1191 ctx
->refresh_drawables
= TRUE
;
1196 /* Given the current context, make sure its drawable is sync'd */
1197 static inline void sync_context(struct wgl_context
*context
)
1199 if (context
->refresh_drawables
) {
1200 if (glxRequireVersion(3))
1201 pglXMakeContextCurrent(gdi_display
, context
->drawables
[0],
1202 context
->drawables
[1], context
->ctx
);
1204 pglXMakeCurrent(gdi_display
, context
->drawables
[0], context
->ctx
);
1205 context
->refresh_drawables
= FALSE
;
1209 static BOOL
set_swap_interval(Drawable drawable
, int interval
)
1213 switch (swap_control_method
)
1215 case GLX_SWAP_CONTROL_EXT
:
1216 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
1217 pglXSwapIntervalEXT(gdi_display
, drawable
, interval
);
1218 XSync(gdi_display
, False
);
1219 ret
= !X11DRV_check_error();
1222 case GLX_SWAP_CONTROL_MESA
:
1223 ret
= !pglXSwapIntervalMESA(interval
);
1226 case GLX_SWAP_CONTROL_SGI
:
1227 /* wglSwapIntervalEXT considers an interval value of zero to mean that
1228 * vsync should be disabled, but glXSwapIntervalSGI considers such a
1229 * value to be an error. Just silently ignore the request for now.
1232 WARN("Request to disable vertical sync is not handled\n");
1234 ret
= !pglXSwapIntervalSGI(interval
);
1237 case GLX_SWAP_CONTROL_NONE
:
1238 /* Unlikely to happen on modern GLX implementations */
1239 WARN("Request to adjust swap interval is not handled\n");
1246 static struct gl_drawable
*get_gl_drawable( HWND hwnd
, HDC hdc
)
1248 struct gl_drawable
*gl
;
1250 EnterCriticalSection( &context_section
);
1251 if (hwnd
&& !XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
)) return gl
;
1252 if (hdc
&& !XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
)) return gl
;
1253 LeaveCriticalSection( &context_section
);
1257 static void release_gl_drawable( struct gl_drawable
*gl
)
1259 if (gl
) LeaveCriticalSection( &context_section
);
1262 static GLXContext
create_glxcontext(Display
*display
, struct wgl_context
*context
, GLXContext shareList
)
1266 /* We use indirect rendering for rendering to bitmaps. See get_formats for a comment about this. */
1267 BOOL indirect
= !(context
->fmt
->dwFlags
& PFD_DRAW_TO_BITMAP
);
1269 if(context
->gl3_context
)
1271 if(context
->numAttribs
)
1272 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, indirect
, context
->attribList
);
1274 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, indirect
, NULL
);
1276 else if(context
->vis
)
1277 ctx
= pglXCreateContext(gdi_display
, context
->vis
, shareList
, indirect
);
1278 else /* Create a GLX Context for a pbuffer */
1279 ctx
= pglXCreateNewContext(gdi_display
, context
->fmt
->fbconfig
, context
->fmt
->render_type
, shareList
, TRUE
);
1285 /***********************************************************************
1288 static void free_gl_drawable( struct gl_drawable
*gl
)
1292 case DC_GL_CHILD_WIN
:
1293 XDestroyWindow( gdi_display
, gl
->drawable
);
1294 XFreeColormap( gdi_display
, gl
->colormap
);
1296 case DC_GL_PIXMAP_WIN
:
1297 pglXDestroyGLXPixmap( gdi_display
, gl
->drawable
);
1298 XFreePixmap( gdi_display
, gl
->pixmap
);
1303 if (gl
->visual
) XFree( gl
->visual
);
1304 HeapFree( GetProcessHeap(), 0, gl
);
1308 /***********************************************************************
1309 * create_gl_drawable
1311 static BOOL
create_gl_drawable( HWND hwnd
, struct gl_drawable
*gl
)
1315 if (GetAncestor( hwnd
, GA_PARENT
) == GetDesktopWindow()) /* top-level window */
1317 struct x11drv_win_data
*data
= get_win_data( hwnd
);
1321 gl
->type
= DC_GL_WINDOW
;
1322 gl
->drawable
= create_client_window( data
, gl
->visual
);
1323 release_win_data( data
);
1326 #ifdef SONAME_LIBXCOMPOSITE
1327 else if(usexcomposite
)
1329 static Window dummy_parent
;
1330 XSetWindowAttributes attrib
;
1332 attrib
.override_redirect
= True
;
1335 dummy_parent
= XCreateWindow( gdi_display
, root_window
, -1, -1, 1, 1, 0, default_visual
.depth
,
1336 InputOutput
, default_visual
.visual
, CWOverrideRedirect
, &attrib
);
1337 XMapWindow( gdi_display
, dummy_parent
);
1339 gl
->colormap
= XCreateColormap(gdi_display
, dummy_parent
, gl
->visual
->visual
,
1340 (gl
->visual
->class == PseudoColor
||
1341 gl
->visual
->class == GrayScale
||
1342 gl
->visual
->class == DirectColor
) ?
1343 AllocAll
: AllocNone
);
1344 attrib
.colormap
= gl
->colormap
;
1345 XInstallColormap(gdi_display
, attrib
.colormap
);
1347 gl
->type
= DC_GL_CHILD_WIN
;
1348 gl
->drawable
= XCreateWindow( gdi_display
, dummy_parent
, 0, 0,
1349 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1350 0, gl
->visual
->depth
, InputOutput
, gl
->visual
->visual
,
1351 CWColormap
| CWOverrideRedirect
, &attrib
);
1354 pXCompositeRedirectWindow(gdi_display
, gl
->drawable
, CompositeRedirectManual
);
1355 XMapWindow(gdi_display
, gl
->drawable
);
1357 else XFreeColormap( gdi_display
, gl
->colormap
);
1362 WARN("XComposite is not available, using GLXPixmap hack\n");
1364 gl
->type
= DC_GL_PIXMAP_WIN
;
1365 gl
->pixmap
= XCreatePixmap( gdi_display
, root_window
,
1366 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1367 gl
->visual
->depth
);
1370 gl
->drawable
= pglXCreateGLXPixmap( gdi_display
, gl
->visual
, gl
->pixmap
);
1371 if (!gl
->drawable
) XFreePixmap( gdi_display
, gl
->pixmap
);
1376 gl
->refresh_swap_interval
= TRUE
;
1377 return gl
->drawable
!= 0;
1381 /***********************************************************************
1384 static BOOL
set_win_format( HWND hwnd
, const struct wgl_pixel_format
*format
)
1386 struct gl_drawable
*gl
, *prev
;
1388 gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) );
1389 /* Default GLX and WGL swap interval is 1, but in case of glXSwapIntervalSGI
1390 * there is no way to query it, so we have to store it here.
1392 gl
->swap_interval
= 1;
1393 gl
->refresh_swap_interval
= TRUE
;
1394 gl
->format
= format
;
1395 gl
->visual
= pglXGetVisualFromFBConfig( gdi_display
, format
->fbconfig
);
1398 HeapFree( GetProcessHeap(), 0, gl
);
1402 GetClientRect( hwnd
, &gl
->rect
);
1403 gl
->rect
.right
= min( max( 1, gl
->rect
.right
), 65535 );
1404 gl
->rect
.bottom
= min( max( 1, gl
->rect
.bottom
), 65535 );
1406 if (!create_gl_drawable( hwnd
, gl
))
1408 XFree( gl
->visual
);
1409 HeapFree( GetProcessHeap(), 0, gl
);
1413 TRACE("created GL drawable %lx for win %p format %x\n", gl
->drawable
, hwnd
, format
->fmt_id
);
1415 XFlush( gdi_display
);
1417 EnterCriticalSection( &context_section
);
1418 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&prev
))
1420 gl
->swap_interval
= prev
->swap_interval
;
1421 free_gl_drawable( prev
);
1423 XSaveContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char *)gl
);
1424 LeaveCriticalSection( &context_section
);
1426 __wine_set_pixel_format( hwnd
, pixel_format_index( format
));
1431 static BOOL
set_pixel_format(HDC hdc
, int format
, BOOL allow_change
)
1433 const struct wgl_pixel_format
*fmt
;
1435 HWND hwnd
= WindowFromDC( hdc
);
1437 TRACE("(%p,%d)\n", hdc
, format
);
1439 if (!hwnd
|| hwnd
== GetDesktopWindow())
1441 WARN( "not a valid window DC %p/%p\n", hdc
, hwnd
);
1445 fmt
= get_pixel_format(gdi_display
, format
, FALSE
/* Offscreen */);
1448 ERR( "Invalid format %d\n", format
);
1452 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1453 if (!(value
& GLX_WINDOW_BIT
))
1455 WARN( "Pixel format %d is not compatible for window rendering\n", format
);
1461 struct gl_drawable
*gl
;
1462 if ((gl
= get_gl_drawable( hwnd
, hdc
)))
1464 int prev
= pixel_format_index( gl
->format
);
1465 release_gl_drawable( gl
);
1466 return prev
== format
; /* cannot change it if already set */
1470 if (TRACE_ON(wgl
)) {
1473 gl_test
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_FBCONFIG_ID
, &value
);
1475 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1477 TRACE(" FBConfig have :\n");
1478 TRACE(" - FBCONFIG_ID 0x%x\n", value
);
1479 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_VISUAL_ID
, &value
);
1480 TRACE(" - VISUAL_ID 0x%x\n", value
);
1481 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1482 TRACE(" - DRAWABLE_TYPE 0x%x\n", value
);
1486 return set_win_format( hwnd
, fmt
);
1490 /***********************************************************************
1493 void sync_gl_drawable( HWND hwnd
, const RECT
*visible_rect
, const RECT
*client_rect
)
1495 struct gl_drawable
*gl
;
1499 XWindowChanges changes
;
1501 changes
.width
= min( max( 1, client_rect
->right
- client_rect
->left
), 65535 );
1502 changes
.height
= min( max( 1, client_rect
->bottom
- client_rect
->top
), 65535 );
1504 if (!(gl
= get_gl_drawable( hwnd
, 0 ))) return;
1506 if (changes
.width
!= gl
->rect
.right
- gl
->rect
.left
) mask
|= CWWidth
;
1507 if (changes
.height
!= gl
->rect
.bottom
- gl
->rect
.top
) mask
|= CWHeight
;
1509 TRACE( "setting drawable %lx size %dx%d\n", gl
->drawable
, changes
.width
, changes
.height
);
1513 case DC_GL_CHILD_WIN
:
1514 if (mask
) XConfigureWindow( gdi_display
, gl
->drawable
, mask
, &changes
);
1516 case DC_GL_PIXMAP_WIN
:
1518 pix
= XCreatePixmap(gdi_display
, root_window
, changes
.width
, changes
.height
, gl
->visual
->depth
);
1519 if (!pix
) goto done
;
1520 glxp
= pglXCreateGLXPixmap(gdi_display
, gl
->visual
, pix
);
1523 XFreePixmap(gdi_display
, pix
);
1526 mark_drawable_dirty(gl
->drawable
, glxp
);
1527 XFlush( gdi_display
);
1529 XFreePixmap(gdi_display
, gl
->pixmap
);
1530 pglXDestroyGLXPixmap(gdi_display
, gl
->drawable
);
1531 TRACE( "Recreated GL drawable %lx to replace %lx\n", glxp
, gl
->drawable
);
1534 gl
->drawable
= glxp
;
1539 SetRect( &gl
->rect
, 0, 0, changes
.width
, changes
.height
);
1541 release_gl_drawable( gl
);
1545 /***********************************************************************
1546 * set_gl_drawable_parent
1548 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
1550 struct gl_drawable
*gl
;
1551 Drawable old_drawable
;
1553 if (!(gl
= get_gl_drawable( hwnd
, 0 ))) return;
1555 TRACE( "setting drawable %lx parent %p\n", gl
->drawable
, parent
);
1557 old_drawable
= gl
->drawable
;
1562 case DC_GL_CHILD_WIN
:
1563 if (parent
!= GetDesktopWindow()) goto done
;
1564 XDestroyWindow( gdi_display
, gl
->drawable
);
1565 XFreeColormap( gdi_display
, gl
->colormap
);
1567 case DC_GL_PIXMAP_WIN
:
1568 if (parent
!= GetDesktopWindow()) goto done
;
1569 pglXDestroyGLXPixmap( gdi_display
, gl
->drawable
);
1570 XFreePixmap( gdi_display
, gl
->pixmap
);
1576 if (!create_gl_drawable( hwnd
, gl
))
1578 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1579 release_gl_drawable( gl
);
1580 XFree( gl
->visual
);
1581 HeapFree( GetProcessHeap(), 0, gl
);
1582 __wine_set_pixel_format( hwnd
, 0 );
1585 mark_drawable_dirty( old_drawable
, gl
->drawable
);
1588 release_gl_drawable( gl
);
1593 /***********************************************************************
1594 * destroy_gl_drawable
1596 void destroy_gl_drawable( HWND hwnd
)
1598 struct gl_drawable
*gl
;
1600 EnterCriticalSection( &context_section
);
1601 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
))
1603 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1604 free_gl_drawable( gl
);
1606 LeaveCriticalSection( &context_section
);
1611 * glxdrv_DescribePixelFormat
1613 * Get the pixel-format descriptor associated to the given id
1615 static int glxdrv_wglDescribePixelFormat( HDC hdc
, int iPixelFormat
,
1616 UINT nBytes
, PIXELFORMATDESCRIPTOR
*ppfd
)
1618 /*XVisualInfo *vis;*/
1621 const struct wgl_pixel_format
*fmt
;
1623 if (!has_opengl()) return 0;
1625 TRACE("(%p,%d,%d,%p)\n", hdc
, iPixelFormat
, nBytes
, ppfd
);
1627 if (!ppfd
) return nb_onscreen_formats
;
1629 /* Look for the iPixelFormat in our list of supported formats. If it is supported we get the index in the FBConfig table and the number of supported formats back */
1630 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, FALSE
/* Offscreen */);
1632 WARN("unexpected format %d\n", iPixelFormat
);
1636 if (nBytes
< sizeof(PIXELFORMATDESCRIPTOR
)) {
1637 ERR("Wrong structure size !\n");
1638 /* Should set error */
1642 memset(ppfd
, 0, sizeof(PIXELFORMATDESCRIPTOR
));
1643 ppfd
->nSize
= sizeof(PIXELFORMATDESCRIPTOR
);
1646 /* These flags are always the same... */
1647 ppfd
->dwFlags
= PFD_SUPPORT_OPENGL
;
1648 /* Now the flags extracted from the Visual */
1650 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1651 if(value
& GLX_WINDOW_BIT
)
1652 ppfd
->dwFlags
|= PFD_DRAW_TO_WINDOW
;
1654 /* On Windows bitmap rendering is only offered using the GDI Software renderer. We reserve some formats (see get_formats for more info)
1655 * for bitmap rendering since we require indirect rendering for this. Further pixel format logs of a GeforceFX, Geforce8800GT, Radeon HD3400 and a
1656 * Radeon 9000 indicated that all bitmap formats have PFD_SUPPORT_GDI. Except for 2 formats on the Radeon 9000 none of the hw accelerated formats
1657 * offered the GDI bit either. */
1658 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
);
1660 /* PFD_GENERIC_FORMAT - gdi software rendering
1661 * PFD_GENERIC_ACCELERATED - some parts are accelerated by a display driver (MCD e.g. 3dfx minigl)
1662 * none set - full hardware accelerated by a ICD
1664 * We only set PFD_GENERIC_FORMAT on bitmap formats (see get_formats) as that's what ATI and Nvidia Windows drivers do */
1665 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_GENERIC_FORMAT
| PFD_GENERIC_ACCELERATED
);
1667 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DOUBLEBUFFER
, &value
);
1669 ppfd
->dwFlags
|= PFD_DOUBLEBUFFER
;
1670 ppfd
->dwFlags
&= ~PFD_SUPPORT_GDI
;
1672 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STEREO
, &value
); if (value
) ppfd
->dwFlags
|= PFD_STEREO
;
1675 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RENDER_TYPE
, &value
);
1676 if (value
& GLX_RGBA_BIT
)
1677 ppfd
->iPixelType
= PFD_TYPE_RGBA
;
1679 ppfd
->iPixelType
= PFD_TYPE_COLORINDEX
;
1682 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BUFFER_SIZE
, &value
);
1683 ppfd
->cColorBits
= value
;
1685 /* Red, green, blue and alpha bits / shifts */
1686 if (ppfd
->iPixelType
== PFD_TYPE_RGBA
) {
1687 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RED_SIZE
, &rb
);
1688 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_GREEN_SIZE
, &gb
);
1689 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BLUE_SIZE
, &bb
);
1690 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ALPHA_SIZE
, &ab
);
1692 ppfd
->cRedBits
= rb
;
1693 ppfd
->cRedShift
= gb
+ bb
+ ab
;
1694 ppfd
->cBlueBits
= bb
;
1695 ppfd
->cBlueShift
= ab
;
1696 ppfd
->cGreenBits
= gb
;
1697 ppfd
->cGreenShift
= bb
+ ab
;
1698 ppfd
->cAlphaBits
= ab
;
1699 ppfd
->cAlphaShift
= 0;
1702 ppfd
->cRedShift
= 0;
1703 ppfd
->cBlueBits
= 0;
1704 ppfd
->cBlueShift
= 0;
1705 ppfd
->cGreenBits
= 0;
1706 ppfd
->cGreenShift
= 0;
1707 ppfd
->cAlphaBits
= 0;
1708 ppfd
->cAlphaShift
= 0;
1711 /* Accum RGBA bits */
1712 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &rb
);
1713 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &gb
);
1714 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &bb
);
1715 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &ab
);
1717 ppfd
->cAccumBits
= rb
+gb
+bb
+ab
;
1718 ppfd
->cAccumRedBits
= rb
;
1719 ppfd
->cAccumGreenBits
= gb
;
1720 ppfd
->cAccumBlueBits
= bb
;
1721 ppfd
->cAccumAlphaBits
= ab
;
1724 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_AUX_BUFFERS
, &value
);
1725 ppfd
->cAuxBuffers
= value
;
1728 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DEPTH_SIZE
, &value
);
1729 ppfd
->cDepthBits
= value
;
1732 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STENCIL_SIZE
, &value
);
1733 ppfd
->cStencilBits
= value
;
1735 ppfd
->iLayerType
= PFD_MAIN_PLANE
;
1737 if (TRACE_ON(wgl
)) {
1738 dump_PIXELFORMATDESCRIPTOR(ppfd
);
1741 return nb_onscreen_formats
;
1744 /***********************************************************************
1745 * glxdrv_wglGetPixelFormat
1747 static int glxdrv_wglGetPixelFormat( HDC hdc
)
1749 struct gl_drawable
*gl
;
1752 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1754 ret
= pixel_format_index( gl
->format
);
1755 /* Offscreen formats can't be used with traditional WGL calls.
1756 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1757 if (!is_onscreen_pixel_format( ret
)) ret
= 1;
1758 release_gl_drawable( gl
);
1760 TRACE( "%p -> %d\n", hdc
, ret
);
1764 /***********************************************************************
1765 * glxdrv_wglSetPixelFormat
1767 static BOOL
glxdrv_wglSetPixelFormat( HDC hdc
, int iPixelFormat
, const PIXELFORMATDESCRIPTOR
*ppfd
)
1769 return set_pixel_format(hdc
, iPixelFormat
, FALSE
);
1772 /***********************************************************************
1773 * glxdrv_wglCopyContext
1775 static BOOL
glxdrv_wglCopyContext(struct wgl_context
*src
, struct wgl_context
*dst
, UINT mask
)
1777 TRACE("%p -> %p mask %#x\n", src
, dst
, mask
);
1779 pglXCopyContext(gdi_display
, src
->ctx
, dst
->ctx
, mask
);
1781 /* As opposed to wglCopyContext, glXCopyContext doesn't return anything, so hopefully we passed */
1785 /***********************************************************************
1786 * glxdrv_wglCreateContext
1788 static struct wgl_context
*glxdrv_wglCreateContext( HDC hdc
)
1790 struct wgl_context
*ret
= NULL
;
1791 struct gl_drawable
*gl
;
1793 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1795 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1799 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
1802 ret
->fmt
= gl
->format
;
1803 ret
->vis
= pglXGetVisualFromFBConfig(gdi_display
, gl
->format
->fbconfig
);
1804 ret
->ctx
= create_glxcontext(gdi_display
, ret
, NULL
);
1805 list_add_head( &context_list
, &ret
->entry
);
1807 release_gl_drawable( gl
);
1808 TRACE( "%p -> %p\n", hdc
, ret
);
1812 /***********************************************************************
1813 * glxdrv_wglDeleteContext
1815 static void glxdrv_wglDeleteContext(struct wgl_context
*ctx
)
1817 TRACE("(%p)\n", ctx
);
1819 EnterCriticalSection( &context_section
);
1820 list_remove( &ctx
->entry
);
1821 LeaveCriticalSection( &context_section
);
1823 if (ctx
->ctx
) pglXDestroyContext( gdi_display
, ctx
->ctx
);
1824 if (ctx
->vis
) XFree( ctx
->vis
);
1825 HeapFree( GetProcessHeap(), 0, ctx
);
1828 /***********************************************************************
1829 * glxdrv_wglGetProcAddress
1831 static PROC
glxdrv_wglGetProcAddress(LPCSTR lpszProc
)
1833 if (!strncmp(lpszProc
, "wgl", 3)) return NULL
;
1834 return pglXGetProcAddressARB((const GLubyte
*)lpszProc
);
1837 /***********************************************************************
1838 * glxdrv_wglMakeCurrent
1840 static BOOL
glxdrv_wglMakeCurrent(HDC hdc
, struct wgl_context
*ctx
)
1843 struct gl_drawable
*gl
;
1845 TRACE("(%p,%p)\n", hdc
, ctx
);
1849 pglXMakeCurrent(gdi_display
, None
, NULL
);
1850 NtCurrentTeb()->glContext
= NULL
;
1854 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1856 if (ctx
->fmt
!= gl
->format
)
1858 WARN( "mismatched pixel format hdc %p %p ctx %p %p\n", hdc
, gl
->format
, ctx
, ctx
->fmt
);
1859 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1863 if (TRACE_ON(wgl
)) {
1864 describeContext(ctx
);
1865 TRACE("hdc %p drawable %lx fmt %p ctx %p\n", hdc
, gl
->drawable
, gl
->format
, ctx
->ctx
);
1868 ret
= pglXMakeCurrent(gdi_display
, gl
->drawable
, ctx
->ctx
);
1871 NtCurrentTeb()->glContext
= ctx
;
1872 ctx
->has_been_current
= TRUE
;
1874 ctx
->drawables
[0] = gl
->drawable
;
1875 ctx
->drawables
[1] = gl
->drawable
;
1876 ctx
->refresh_drawables
= FALSE
;
1880 SetLastError( ERROR_INVALID_HANDLE
);
1883 release_gl_drawable( gl
);
1884 TRACE( "%p,%p returning %d\n", hdc
, ctx
, ret
);
1888 /***********************************************************************
1889 * X11DRV_wglMakeContextCurrentARB
1891 static BOOL
X11DRV_wglMakeContextCurrentARB( HDC draw_hdc
, HDC read_hdc
, struct wgl_context
*ctx
)
1894 struct gl_drawable
*draw_gl
, *read_gl
= NULL
;
1896 TRACE("(%p,%p,%p)\n", draw_hdc
, read_hdc
, ctx
);
1900 pglXMakeCurrent(gdi_display
, None
, NULL
);
1901 NtCurrentTeb()->glContext
= NULL
;
1905 if (!pglXMakeContextCurrent
) return FALSE
;
1907 if ((draw_gl
= get_gl_drawable( WindowFromDC( draw_hdc
), draw_hdc
)))
1909 read_gl
= get_gl_drawable( WindowFromDC( read_hdc
), read_hdc
);
1910 ret
= pglXMakeContextCurrent(gdi_display
, draw_gl
->drawable
,
1911 read_gl
? read_gl
->drawable
: 0, ctx
->ctx
);
1914 ctx
->has_been_current
= TRUE
;
1915 ctx
->hdc
= draw_hdc
;
1916 ctx
->drawables
[0] = draw_gl
->drawable
;
1917 ctx
->drawables
[1] = read_gl
? read_gl
->drawable
: 0;
1918 ctx
->refresh_drawables
= FALSE
;
1919 NtCurrentTeb()->glContext
= ctx
;
1923 SetLastError( ERROR_INVALID_HANDLE
);
1925 release_gl_drawable( read_gl
);
1926 release_gl_drawable( draw_gl
);
1927 TRACE( "%p,%p,%p returning %d\n", draw_hdc
, read_hdc
, ctx
, ret
);
1931 /***********************************************************************
1932 * glxdrv_wglShareLists
1934 static BOOL
glxdrv_wglShareLists(struct wgl_context
*org
, struct wgl_context
*dest
)
1936 TRACE("(%p, %p)\n", org
, dest
);
1938 /* Sharing of display lists works differently in GLX and WGL. In case of GLX it is done
1939 * at context creation time but in case of WGL it is done using wglShareLists.
1940 * In the past we tried to emulate wglShareLists by delaying GLX context creation until
1941 * either a wglMakeCurrent or wglShareLists. This worked fine for most apps but it causes
1942 * issues for OpenGL 3 because there wglCreateContextAttribsARB can fail in a lot of cases,
1943 * so there delaying context creation doesn't work.
1945 * The new approach is to create a GLX context in wglCreateContext / wglCreateContextAttribsARB
1946 * and when a program requests sharing we recreate the destination context if it hasn't been made
1947 * current or when it hasn't shared display lists before.
1950 if((org
->has_been_current
&& dest
->has_been_current
) || dest
->has_been_current
)
1952 ERR("Could not share display lists, one of the contexts has been current already !\n");
1955 else if(dest
->sharing
)
1957 ERR("Could not share display lists because hglrc2 has already shared lists before\n");
1962 describeContext(org
);
1963 describeContext(dest
);
1965 /* Re-create the GLX context and share display lists */
1966 pglXDestroyContext(gdi_display
, dest
->ctx
);
1967 dest
->ctx
= create_glxcontext(gdi_display
, dest
, org
->ctx
);
1968 TRACE(" re-created an OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest
->ctx
, dest
, org
->ctx
);
1970 org
->sharing
= TRUE
;
1971 dest
->sharing
= TRUE
;
1977 static void wglFinish(void)
1979 struct x11drv_escape_flush_gl_drawable escape
;
1980 struct gl_drawable
*gl
;
1981 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1983 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1984 escape
.gl_drawable
= 0;
1986 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
1990 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1991 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->drawable
; break;
1995 release_gl_drawable( gl
);
1999 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2002 static void wglFlush(void)
2004 struct x11drv_escape_flush_gl_drawable escape
;
2005 struct gl_drawable
*gl
;
2006 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
2008 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
2009 escape
.gl_drawable
= 0;
2011 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
2015 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
2016 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->drawable
; break;
2020 release_gl_drawable( gl
);
2024 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2027 static const GLubyte
*wglGetString(GLenum name
)
2029 if (name
== GL_EXTENSIONS
&& WineGLInfo
.glExtensions
)
2030 return (const GLubyte
*)WineGLInfo
.glExtensions
;
2031 return pglGetString(name
);
2034 /***********************************************************************
2035 * X11DRV_wglCreateContextAttribsARB
2037 static struct wgl_context
*X11DRV_wglCreateContextAttribsARB( HDC hdc
, struct wgl_context
*hShareContext
,
2038 const int* attribList
)
2040 struct wgl_context
*ret
= NULL
;
2041 struct gl_drawable
*gl
;
2044 TRACE("(%p %p %p)\n", hdc
, hShareContext
, attribList
);
2046 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
2048 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
2052 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
2055 ret
->fmt
= gl
->format
;
2056 ret
->vis
= NULL
; /* glXCreateContextAttribsARB requires a fbconfig instead of a visual */
2057 ret
->gl3_context
= TRUE
;
2060 int *pContextAttribList
= &ret
->attribList
[0];
2061 /* attribList consists of pairs {token, value] terminated with 0 */
2062 while(attribList
[0] != 0)
2064 TRACE("%#x %#x\n", attribList
[0], attribList
[1]);
2065 switch(attribList
[0])
2067 case WGL_CONTEXT_MAJOR_VERSION_ARB
:
2068 pContextAttribList
[0] = GLX_CONTEXT_MAJOR_VERSION_ARB
;
2069 pContextAttribList
[1] = attribList
[1];
2070 pContextAttribList
+= 2;
2073 case WGL_CONTEXT_MINOR_VERSION_ARB
:
2074 pContextAttribList
[0] = GLX_CONTEXT_MINOR_VERSION_ARB
;
2075 pContextAttribList
[1] = attribList
[1];
2076 pContextAttribList
+= 2;
2079 case WGL_CONTEXT_LAYER_PLANE_ARB
:
2081 case WGL_CONTEXT_FLAGS_ARB
:
2082 pContextAttribList
[0] = GLX_CONTEXT_FLAGS_ARB
;
2083 pContextAttribList
[1] = attribList
[1];
2084 pContextAttribList
+= 2;
2087 case WGL_CONTEXT_PROFILE_MASK_ARB
:
2088 pContextAttribList
[0] = GLX_CONTEXT_PROFILE_MASK_ARB
;
2089 pContextAttribList
[1] = attribList
[1];
2090 pContextAttribList
+= 2;
2094 ERR("Unhandled attribList pair: %#x %#x\n", attribList
[0], attribList
[1]);
2100 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
2101 ret
->ctx
= create_glxcontext(gdi_display
, ret
, hShareContext
? hShareContext
->ctx
: NULL
);
2102 XSync(gdi_display
, False
);
2103 if ((err
= X11DRV_check_error()) || !ret
->ctx
)
2105 /* In the future we should convert the GLX error to a win32 one here if needed */
2106 ERR("Context creation failed (error %x)\n", err
);
2107 HeapFree( GetProcessHeap(), 0, ret
);
2110 else list_add_head( &context_list
, &ret
->entry
);
2113 release_gl_drawable( gl
);
2114 TRACE( "%p -> %p\n", hdc
, ret
);
2119 * X11DRV_wglGetExtensionsStringARB
2121 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
2123 static const char *X11DRV_wglGetExtensionsStringARB(HDC hdc
)
2125 TRACE("() returning \"%s\"\n", WineGLInfo
.wglExtensions
);
2126 return WineGLInfo
.wglExtensions
;
2130 * X11DRV_wglCreatePbufferARB
2132 * WGL_ARB_pbuffer: wglCreatePbufferARB
2134 static struct wgl_pbuffer
*X11DRV_wglCreatePbufferARB( HDC hdc
, int iPixelFormat
, int iWidth
, int iHeight
,
2135 const int *piAttribList
)
2137 struct wgl_pbuffer
* object
= NULL
;
2138 const struct wgl_pixel_format
*fmt
= NULL
;
2142 TRACE("(%p, %d, %d, %d, %p)\n", hdc
, iPixelFormat
, iWidth
, iHeight
, piAttribList
);
2144 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
2145 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2147 ERR("(%p): invalid pixel format %d\n", hdc
, iPixelFormat
);
2148 SetLastError(ERROR_INVALID_PIXEL_FORMAT
);
2152 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
2153 if (NULL
== object
) {
2154 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2157 object
->width
= iWidth
;
2158 object
->height
= iHeight
;
2161 PUSH2(attribs
, GLX_PBUFFER_WIDTH
, iWidth
);
2162 PUSH2(attribs
, GLX_PBUFFER_HEIGHT
, iHeight
);
2163 while (piAttribList
&& 0 != *piAttribList
) {
2165 switch (*piAttribList
) {
2166 case WGL_PBUFFER_LARGEST_ARB
: {
2168 attr_v
= *piAttribList
;
2169 TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v
);
2170 PUSH2(attribs
, GLX_LARGEST_PBUFFER
, attr_v
);
2174 case WGL_TEXTURE_FORMAT_ARB
: {
2176 attr_v
= *piAttribList
;
2177 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v
);
2178 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2179 object
->use_render_texture
= 0;
2181 if (!use_render_texture_emulation
) {
2182 SetLastError(ERROR_INVALID_DATA
);
2186 case WGL_TEXTURE_RGB_ARB
:
2187 object
->use_render_texture
= GL_RGB
;
2188 object
->texture_bpp
= 3;
2189 object
->texture_format
= GL_RGB
;
2190 object
->texture_type
= GL_UNSIGNED_BYTE
;
2192 case WGL_TEXTURE_RGBA_ARB
:
2193 object
->use_render_texture
= GL_RGBA
;
2194 object
->texture_bpp
= 4;
2195 object
->texture_format
= GL_RGBA
;
2196 object
->texture_type
= GL_UNSIGNED_BYTE
;
2199 /* WGL_FLOAT_COMPONENTS_NV */
2200 case WGL_TEXTURE_FLOAT_R_NV
:
2201 object
->use_render_texture
= GL_FLOAT_R_NV
;
2202 object
->texture_bpp
= 4;
2203 object
->texture_format
= GL_RED
;
2204 object
->texture_type
= GL_FLOAT
;
2206 case WGL_TEXTURE_FLOAT_RG_NV
:
2207 object
->use_render_texture
= GL_FLOAT_RG_NV
;
2208 object
->texture_bpp
= 8;
2209 object
->texture_format
= GL_LUMINANCE_ALPHA
;
2210 object
->texture_type
= GL_FLOAT
;
2212 case WGL_TEXTURE_FLOAT_RGB_NV
:
2213 object
->use_render_texture
= GL_FLOAT_RGB_NV
;
2214 object
->texture_bpp
= 12;
2215 object
->texture_format
= GL_RGB
;
2216 object
->texture_type
= GL_FLOAT
;
2218 case WGL_TEXTURE_FLOAT_RGBA_NV
:
2219 object
->use_render_texture
= GL_FLOAT_RGBA_NV
;
2220 object
->texture_bpp
= 16;
2221 object
->texture_format
= GL_RGBA
;
2222 object
->texture_type
= GL_FLOAT
;
2225 ERR("Unknown texture format: %x\n", attr_v
);
2226 SetLastError(ERROR_INVALID_DATA
);
2233 case WGL_TEXTURE_TARGET_ARB
: {
2235 attr_v
= *piAttribList
;
2236 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v
);
2237 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2238 object
->texture_target
= 0;
2240 if (!use_render_texture_emulation
) {
2241 SetLastError(ERROR_INVALID_DATA
);
2245 case WGL_TEXTURE_CUBE_MAP_ARB
: {
2246 if (iWidth
!= iHeight
) {
2247 SetLastError(ERROR_INVALID_DATA
);
2250 object
->texture_target
= GL_TEXTURE_CUBE_MAP
;
2251 object
->texture_bind_target
= GL_TEXTURE_BINDING_CUBE_MAP
;
2254 case WGL_TEXTURE_1D_ARB
: {
2256 SetLastError(ERROR_INVALID_DATA
);
2259 object
->texture_target
= GL_TEXTURE_1D
;
2260 object
->texture_bind_target
= GL_TEXTURE_BINDING_1D
;
2263 case WGL_TEXTURE_2D_ARB
: {
2264 object
->texture_target
= GL_TEXTURE_2D
;
2265 object
->texture_bind_target
= GL_TEXTURE_BINDING_2D
;
2268 case WGL_TEXTURE_RECTANGLE_NV
: {
2269 object
->texture_target
= GL_TEXTURE_RECTANGLE_NV
;
2270 object
->texture_bind_target
= GL_TEXTURE_BINDING_RECTANGLE_NV
;
2274 ERR("Unknown texture target: %x\n", attr_v
);
2275 SetLastError(ERROR_INVALID_DATA
);
2282 case WGL_MIPMAP_TEXTURE_ARB
: {
2284 attr_v
= *piAttribList
;
2285 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v
);
2286 if (!use_render_texture_emulation
) {
2287 SetLastError(ERROR_INVALID_DATA
);
2296 PUSH1(attribs
, None
);
2297 object
->drawable
= pglXCreatePbuffer(gdi_display
, fmt
->fbconfig
, attribs
);
2298 TRACE("new Pbuffer drawable as %lx\n", object
->drawable
);
2299 if (!object
->drawable
) {
2300 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2301 goto create_failed
; /* unexpected error */
2303 TRACE("->(%p)\n", object
);
2307 HeapFree(GetProcessHeap(), 0, object
);
2308 TRACE("->(FAILED)\n");
2313 * X11DRV_wglDestroyPbufferARB
2315 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2317 static BOOL
X11DRV_wglDestroyPbufferARB( struct wgl_pbuffer
*object
)
2319 TRACE("(%p)\n", object
);
2321 pglXDestroyPbuffer(gdi_display
, object
->drawable
);
2322 HeapFree(GetProcessHeap(), 0, object
);
2327 * X11DRV_wglGetPbufferDCARB
2329 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2331 static HDC
X11DRV_wglGetPbufferDCARB( struct wgl_pbuffer
*object
)
2333 struct x11drv_escape_set_drawable escape
;
2334 struct gl_drawable
*gl
, *prev
;
2337 hdc
= CreateDCA( "DISPLAY", NULL
, NULL
, NULL
);
2340 if (!(gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) )))
2345 gl
->type
= DC_GL_PBUFFER
;
2346 gl
->drawable
= object
->drawable
;
2347 gl
->format
= object
->fmt
;
2349 EnterCriticalSection( &context_section
);
2350 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&prev
))
2351 free_gl_drawable( prev
);
2352 XSaveContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char *)gl
);
2353 LeaveCriticalSection( &context_section
);
2355 escape
.code
= X11DRV_SET_DRAWABLE
;
2356 escape
.drawable
= object
->drawable
;
2357 escape
.mode
= IncludeInferiors
;
2358 SetRect( &escape
.dc_rect
, 0, 0, object
->width
, object
->height
);
2359 ExtEscape( hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2361 TRACE( "(%p)->(%p)\n", object
, hdc
);
2366 * X11DRV_wglQueryPbufferARB
2368 * WGL_ARB_pbuffer: wglQueryPbufferARB
2370 static BOOL
X11DRV_wglQueryPbufferARB( struct wgl_pbuffer
*object
, int iAttribute
, int *piValue
)
2372 TRACE("(%p, 0x%x, %p)\n", object
, iAttribute
, piValue
);
2374 switch (iAttribute
) {
2375 case WGL_PBUFFER_WIDTH_ARB
:
2376 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_WIDTH
, (unsigned int*) piValue
);
2378 case WGL_PBUFFER_HEIGHT_ARB
:
2379 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_HEIGHT
, (unsigned int*) piValue
);
2382 case WGL_PBUFFER_LOST_ARB
:
2383 /* GLX Pbuffers cannot be lost by default. We can support this by
2384 * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent
2385 * to receive pixel buffer clobber events, however that may or may
2386 * not give any benefit */
2387 *piValue
= GL_FALSE
;
2390 case WGL_TEXTURE_FORMAT_ARB
:
2391 if (!object
->use_render_texture
) {
2392 *piValue
= WGL_NO_TEXTURE_ARB
;
2394 if (!use_render_texture_emulation
) {
2395 SetLastError(ERROR_INVALID_HANDLE
);
2398 switch(object
->use_render_texture
) {
2400 *piValue
= WGL_TEXTURE_RGB_ARB
;
2403 *piValue
= WGL_TEXTURE_RGBA_ARB
;
2405 /* WGL_FLOAT_COMPONENTS_NV */
2407 *piValue
= WGL_TEXTURE_FLOAT_R_NV
;
2409 case GL_FLOAT_RG_NV
:
2410 *piValue
= WGL_TEXTURE_FLOAT_RG_NV
;
2412 case GL_FLOAT_RGB_NV
:
2413 *piValue
= WGL_TEXTURE_FLOAT_RGB_NV
;
2415 case GL_FLOAT_RGBA_NV
:
2416 *piValue
= WGL_TEXTURE_FLOAT_RGBA_NV
;
2419 ERR("Unknown texture format: %x\n", object
->use_render_texture
);
2424 case WGL_TEXTURE_TARGET_ARB
:
2425 if (!object
->texture_target
){
2426 *piValue
= WGL_NO_TEXTURE_ARB
;
2428 if (!use_render_texture_emulation
) {
2429 SetLastError(ERROR_INVALID_DATA
);
2432 switch (object
->texture_target
) {
2433 case GL_TEXTURE_1D
: *piValue
= WGL_TEXTURE_1D_ARB
; break;
2434 case GL_TEXTURE_2D
: *piValue
= WGL_TEXTURE_2D_ARB
; break;
2435 case GL_TEXTURE_CUBE_MAP
: *piValue
= WGL_TEXTURE_CUBE_MAP_ARB
; break;
2436 case GL_TEXTURE_RECTANGLE_NV
: *piValue
= WGL_TEXTURE_RECTANGLE_NV
; break;
2441 case WGL_MIPMAP_TEXTURE_ARB
:
2442 *piValue
= GL_FALSE
; /** don't support that */
2443 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute
);
2447 FIXME("unexpected attribute %x\n", iAttribute
);
2455 * X11DRV_wglReleasePbufferDCARB
2457 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2459 static int X11DRV_wglReleasePbufferDCARB( struct wgl_pbuffer
*object
, HDC hdc
)
2461 struct gl_drawable
*gl
;
2463 TRACE("(%p, %p)\n", object
, hdc
);
2465 EnterCriticalSection( &context_section
);
2467 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
))
2469 XDeleteContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
);
2470 free_gl_drawable( gl
);
2474 LeaveCriticalSection( &context_section
);
2476 return hdc
&& DeleteDC(hdc
);
2480 * X11DRV_wglSetPbufferAttribARB
2482 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2484 static BOOL
X11DRV_wglSetPbufferAttribARB( struct wgl_pbuffer
*object
, const int *piAttribList
)
2486 GLboolean ret
= GL_FALSE
;
2488 WARN("(%p, %p): alpha-testing, report any problem\n", object
, piAttribList
);
2490 if (!object
->use_render_texture
) {
2491 SetLastError(ERROR_INVALID_HANDLE
);
2494 if (use_render_texture_emulation
) {
2501 * X11DRV_wglChoosePixelFormatARB
2503 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2505 static BOOL
X11DRV_wglChoosePixelFormatARB( HDC hdc
, const int *piAttribIList
, const FLOAT
*pfAttribFList
,
2506 UINT nMaxFormats
, int *piFormats
, UINT
*nNumFormats
)
2510 GLXFBConfig
* cfgs
= NULL
;
2520 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc
, piAttribIList
, pfAttribFList
, nMaxFormats
, piFormats
, nNumFormats
);
2521 if (NULL
!= pfAttribFList
) {
2522 FIXME("unused pfAttribFList\n");
2525 nAttribs
= ConvertAttribWGLtoGLX(piAttribIList
, attribs
, NULL
);
2526 if (-1 == nAttribs
) {
2527 WARN("Cannot convert WGL to GLX attributes\n");
2530 PUSH1(attribs
, None
);
2532 /* There is no 1:1 mapping between GLX and WGL formats because we duplicate some GLX formats for bitmap rendering (see get_formats).
2533 * Flags like PFD_SUPPORT_GDI, PFD_DRAW_TO_BITMAP and others are a property of the pixel format. We don't query these attributes
2534 * using glXChooseFBConfig but we filter the result of glXChooseFBConfig later on.
2536 for(i
=0; piAttribIList
[i
] != 0; i
+=2)
2538 switch(piAttribIList
[i
])
2540 case WGL_DRAW_TO_BITMAP_ARB
:
2541 if(piAttribIList
[i
+1])
2542 dwFlags
|= PFD_DRAW_TO_BITMAP
;
2544 case WGL_ACCELERATION_ARB
:
2545 switch(piAttribIList
[i
+1])
2547 case WGL_NO_ACCELERATION_ARB
:
2548 dwFlags
|= PFD_GENERIC_FORMAT
;
2550 case WGL_GENERIC_ACCELERATION_ARB
:
2551 dwFlags
|= PFD_GENERIC_ACCELERATED
;
2553 case WGL_FULL_ACCELERATION_ARB
:
2558 case WGL_SUPPORT_GDI_ARB
:
2559 if(piAttribIList
[i
+1])
2560 dwFlags
|= PFD_SUPPORT_GDI
;
2565 /* Search for FB configurations matching the requirements in attribs */
2566 cfgs
= pglXChooseFBConfig(gdi_display
, DefaultScreen(gdi_display
), attribs
, &nCfgs
);
2568 WARN("Compatible Pixel Format not found\n");
2572 /* Loop through all matching formats and check if they are suitable.
2573 * Note that this function should at max return nMaxFormats different formats */
2574 for(run
=0; run
< 2; run
++)
2576 for (it
= 0; it
< nCfgs
&& pfmt_it
< nMaxFormats
; ++it
)
2578 if (pglXGetFBConfigAttrib(gdi_display
, cfgs
[it
], GLX_FBCONFIG_ID
, &fmt_id
))
2580 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2584 /* During the first run we only want onscreen formats and during the second only offscreen */
2585 start
= run
== 1 ? nb_onscreen_formats
: 0;
2586 end
= run
== 1 ? nb_pixel_formats
: nb_onscreen_formats
;
2588 for (i
= start
; i
< end
; i
++)
2590 if (pixel_formats
[i
].fmt_id
== fmt_id
&& (pixel_formats
[i
].dwFlags
& dwFlags
) == dwFlags
)
2592 piFormats
[pfmt_it
++] = i
+ 1;
2593 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n",
2594 it
+ 1, nCfgs
, fmt_id
, i
+ 1);
2601 *nNumFormats
= pfmt_it
;
2608 * X11DRV_wglGetPixelFormatAttribivARB
2610 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2612 static BOOL
X11DRV_wglGetPixelFormatAttribivARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2613 UINT nAttributes
, const int *piAttributes
, int *piValues
)
2616 const struct wgl_pixel_format
*fmt
= NULL
;
2621 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, piValues
);
2623 if (0 < iLayerPlane
) {
2624 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane
);
2628 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supported.
2629 * We don't have to fail yet as a program can specify an invalid iPixelFormat (lets say 0) if it wants to query
2630 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2631 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2633 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat
);
2636 for (i
= 0; i
< nAttributes
; ++i
) {
2637 const int curWGLAttr
= piAttributes
[i
];
2638 TRACE("pAttr[%d] = %x\n", i
, curWGLAttr
);
2640 switch (curWGLAttr
) {
2641 case WGL_NUMBER_PIXEL_FORMATS_ARB
:
2642 piValues
[i
] = nb_pixel_formats
;
2645 case WGL_SUPPORT_OPENGL_ARB
:
2646 piValues
[i
] = GL_TRUE
;
2649 case WGL_ACCELERATION_ARB
:
2650 curGLXAttr
= GLX_CONFIG_CAVEAT
;
2651 if (!fmt
) goto pix_error
;
2652 if(fmt
->dwFlags
& PFD_GENERIC_FORMAT
)
2653 piValues
[i
] = WGL_NO_ACCELERATION_ARB
;
2654 else if(fmt
->dwFlags
& PFD_GENERIC_ACCELERATED
)
2655 piValues
[i
] = WGL_GENERIC_ACCELERATION_ARB
;
2657 piValues
[i
] = WGL_FULL_ACCELERATION_ARB
;
2660 case WGL_TRANSPARENT_ARB
:
2661 curGLXAttr
= GLX_TRANSPARENT_TYPE
;
2662 if (!fmt
) goto pix_error
;
2663 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2664 if (hTest
) goto get_error
;
2665 piValues
[i
] = GL_FALSE
;
2666 if (GLX_NONE
!= tmp
) piValues
[i
] = GL_TRUE
;
2669 case WGL_PIXEL_TYPE_ARB
:
2670 curGLXAttr
= GLX_RENDER_TYPE
;
2671 if (!fmt
) goto pix_error
;
2672 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2673 if (hTest
) goto get_error
;
2674 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp
);
2675 if (tmp
& GLX_RGBA_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_ARB
; }
2676 else if (tmp
& GLX_COLOR_INDEX_BIT
) { piValues
[i
] = WGL_TYPE_COLORINDEX_ARB
; }
2677 else if (tmp
& GLX_RGBA_FLOAT_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2678 else if (tmp
& GLX_RGBA_FLOAT_ATI_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2679 else if (tmp
& GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
) { piValues
[i
] = WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
; }
2681 ERR("unexpected RenderType(%x)\n", tmp
);
2682 piValues
[i
] = WGL_TYPE_RGBA_ARB
;
2686 case WGL_COLOR_BITS_ARB
:
2687 curGLXAttr
= GLX_BUFFER_SIZE
;
2690 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
2691 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
2692 if (!use_render_texture_emulation
) {
2693 piValues
[i
] = GL_FALSE
;
2696 curGLXAttr
= GLX_RENDER_TYPE
;
2697 if (!fmt
) goto pix_error
;
2698 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2699 if (hTest
) goto get_error
;
2700 if (GLX_COLOR_INDEX_BIT
== tmp
) {
2701 piValues
[i
] = GL_FALSE
;
2704 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2705 if (hTest
) goto get_error
;
2706 piValues
[i
] = (tmp
& GLX_PBUFFER_BIT
) ? GL_TRUE
: GL_FALSE
;
2709 case WGL_BLUE_BITS_ARB
:
2710 curGLXAttr
= GLX_BLUE_SIZE
;
2712 case WGL_RED_BITS_ARB
:
2713 curGLXAttr
= GLX_RED_SIZE
;
2715 case WGL_GREEN_BITS_ARB
:
2716 curGLXAttr
= GLX_GREEN_SIZE
;
2718 case WGL_ALPHA_BITS_ARB
:
2719 curGLXAttr
= GLX_ALPHA_SIZE
;
2721 case WGL_DEPTH_BITS_ARB
:
2722 curGLXAttr
= GLX_DEPTH_SIZE
;
2724 case WGL_STENCIL_BITS_ARB
:
2725 curGLXAttr
= GLX_STENCIL_SIZE
;
2727 case WGL_DOUBLE_BUFFER_ARB
:
2728 curGLXAttr
= GLX_DOUBLEBUFFER
;
2730 case WGL_STEREO_ARB
:
2731 curGLXAttr
= GLX_STEREO
;
2733 case WGL_AUX_BUFFERS_ARB
:
2734 curGLXAttr
= GLX_AUX_BUFFERS
;
2737 case WGL_SUPPORT_GDI_ARB
:
2738 if (!fmt
) goto pix_error
;
2739 piValues
[i
] = (fmt
->dwFlags
& PFD_SUPPORT_GDI
) != 0;
2742 case WGL_DRAW_TO_BITMAP_ARB
:
2743 if (!fmt
) goto pix_error
;
2744 piValues
[i
] = (fmt
->dwFlags
& PFD_DRAW_TO_BITMAP
) != 0;
2747 case WGL_DRAW_TO_WINDOW_ARB
:
2748 case WGL_DRAW_TO_PBUFFER_ARB
:
2749 if (!fmt
) goto pix_error
;
2750 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2751 if (hTest
) goto get_error
;
2752 if((curWGLAttr
== WGL_DRAW_TO_WINDOW_ARB
&& (tmp
&GLX_WINDOW_BIT
)) ||
2753 (curWGLAttr
== WGL_DRAW_TO_PBUFFER_ARB
&& (tmp
&GLX_PBUFFER_BIT
)))
2754 piValues
[i
] = GL_TRUE
;
2756 piValues
[i
] = GL_FALSE
;
2759 case WGL_SWAP_METHOD_ARB
:
2760 if (has_swap_method
)
2762 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2763 if (hTest
) goto get_error
;
2766 case GLX_SWAP_EXCHANGE_OML
:
2767 piValues
[i
] = WGL_SWAP_EXCHANGE_ARB
;
2769 case GLX_SWAP_COPY_OML
:
2770 piValues
[i
] = WGL_SWAP_COPY_ARB
;
2772 case GLX_SWAP_UNDEFINED_OML
:
2773 piValues
[i
] = WGL_SWAP_UNDEFINED_ARB
;
2776 ERR("Unexpected swap method %x.\n", tmp
);
2781 WARN("GLX_OML_swap_method not supported, returning WGL_SWAP_EXCHANGE_ARB.\n");
2782 piValues
[i
] = WGL_SWAP_EXCHANGE_ARB
;
2786 case WGL_PBUFFER_LARGEST_ARB
:
2787 curGLXAttr
= GLX_LARGEST_PBUFFER
;
2790 case WGL_SAMPLE_BUFFERS_ARB
:
2791 curGLXAttr
= GLX_SAMPLE_BUFFERS_ARB
;
2794 case WGL_SAMPLES_ARB
:
2795 curGLXAttr
= GLX_SAMPLES_ARB
;
2798 case WGL_FLOAT_COMPONENTS_NV
:
2799 curGLXAttr
= GLX_FLOAT_COMPONENTS_NV
;
2802 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
2803 curGLXAttr
= GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
;
2806 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
2807 curGLXAttr
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
2810 case WGL_ACCUM_RED_BITS_ARB
:
2811 curGLXAttr
= GLX_ACCUM_RED_SIZE
;
2813 case WGL_ACCUM_GREEN_BITS_ARB
:
2814 curGLXAttr
= GLX_ACCUM_GREEN_SIZE
;
2816 case WGL_ACCUM_BLUE_BITS_ARB
:
2817 curGLXAttr
= GLX_ACCUM_BLUE_SIZE
;
2819 case WGL_ACCUM_ALPHA_BITS_ARB
:
2820 curGLXAttr
= GLX_ACCUM_ALPHA_SIZE
;
2822 case WGL_ACCUM_BITS_ARB
:
2823 if (!fmt
) goto pix_error
;
2824 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &tmp
);
2825 if (hTest
) goto get_error
;
2827 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &tmp
);
2828 if (hTest
) goto get_error
;
2830 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &tmp
);
2831 if (hTest
) goto get_error
;
2833 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &tmp
);
2834 if (hTest
) goto get_error
;
2839 FIXME("unsupported %x WGL Attribute\n", curWGLAttr
);
2842 /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
2843 * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
2844 * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
2846 * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
2847 * and check which options can work using iPixelFormat=0 and which not.
2848 * A problem would be that this function is an extension. This would
2849 * mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
2851 if (0 != curGLXAttr
&& iPixelFormat
!= 0) {
2852 if (!fmt
) goto pix_error
;
2853 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, piValues
+ i
);
2854 if (hTest
) goto get_error
;
2857 piValues
[i
] = GL_FALSE
;
2863 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc
, curGLXAttr
);
2867 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc
, iPixelFormat
, nb_pixel_formats
);
2872 * X11DRV_wglGetPixelFormatAttribfvARB
2874 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2876 static BOOL
X11DRV_wglGetPixelFormatAttribfvARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2877 UINT nAttributes
, const int *piAttributes
, FLOAT
*pfValues
)
2883 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, pfValues
);
2885 /* Allocate a temporary array to store integer values */
2886 attr
= HeapAlloc(GetProcessHeap(), 0, nAttributes
* sizeof(int));
2888 ERR("couldn't allocate %d array\n", nAttributes
);
2892 /* Piggy-back on wglGetPixelFormatAttribivARB */
2893 ret
= X11DRV_wglGetPixelFormatAttribivARB(hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, attr
);
2895 /* Convert integer values to float. Should also check for attributes
2896 that can give decimal values here */
2897 for (i
=0; i
<nAttributes
;i
++) {
2898 pfValues
[i
] = attr
[i
];
2902 HeapFree(GetProcessHeap(), 0, attr
);
2907 * X11DRV_wglBindTexImageARB
2909 * WGL_ARB_render_texture: wglBindTexImageARB
2911 static BOOL
X11DRV_wglBindTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2913 GLboolean ret
= GL_FALSE
;
2915 TRACE("(%p, %d)\n", object
, iBuffer
);
2917 if (!object
->use_render_texture
) {
2918 SetLastError(ERROR_INVALID_HANDLE
);
2922 if (use_render_texture_emulation
) {
2923 static BOOL initialized
= FALSE
;
2924 int prev_binded_texture
= 0;
2925 GLXContext prev_context
;
2926 Drawable prev_drawable
;
2927 GLXContext tmp_context
;
2929 prev_context
= pglXGetCurrentContext();
2930 prev_drawable
= pglXGetCurrentDrawable();
2932 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2933 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2934 isn't ideal performance wise but I wasn't able to get other ways working.
2937 initialized
= TRUE
; /* Only show the FIXME once for performance reasons */
2938 FIXME("partial stub!\n");
2941 TRACE("drawable=%lx, context=%p\n", object
->drawable
, prev_context
);
2942 tmp_context
= pglXCreateNewContext(gdi_display
, object
->fmt
->fbconfig
, object
->fmt
->render_type
, prev_context
, True
);
2944 opengl_funcs
.gl
.p_glGetIntegerv(object
->texture_bind_target
, &prev_binded_texture
);
2946 /* Switch to our pbuffer */
2947 pglXMakeCurrent(gdi_display
, object
->drawable
, tmp_context
);
2949 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2950 * After that upload the pbuffer texture data. */
2951 opengl_funcs
.gl
.p_glBindTexture(object
->texture_target
, prev_binded_texture
);
2952 opengl_funcs
.gl
.p_glCopyTexImage2D(object
->texture_target
, 0, object
->use_render_texture
, 0, 0, object
->width
, object
->height
, 0);
2954 /* Switch back to the original drawable and upload the pbuffer-texture */
2955 pglXMakeCurrent(gdi_display
, prev_drawable
, prev_context
);
2956 pglXDestroyContext(gdi_display
, tmp_context
);
2964 * X11DRV_wglReleaseTexImageARB
2966 * WGL_ARB_render_texture: wglReleaseTexImageARB
2968 static BOOL
X11DRV_wglReleaseTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2970 GLboolean ret
= GL_FALSE
;
2972 TRACE("(%p, %d)\n", object
, iBuffer
);
2974 if (!object
->use_render_texture
) {
2975 SetLastError(ERROR_INVALID_HANDLE
);
2978 if (use_render_texture_emulation
) {
2985 * X11DRV_wglGetExtensionsStringEXT
2987 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2989 static const char *X11DRV_wglGetExtensionsStringEXT(void)
2991 TRACE("() returning \"%s\"\n", WineGLInfo
.wglExtensions
);
2992 return WineGLInfo
.wglExtensions
;
2996 * X11DRV_wglGetSwapIntervalEXT
2998 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
3000 static int X11DRV_wglGetSwapIntervalEXT(void)
3002 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
3003 struct gl_drawable
*gl
;
3008 if (!(gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), ctx
->hdc
)))
3010 /* This can't happen because a current WGL context is required to get
3011 * here. Likely the application is buggy.
3013 WARN("No GL drawable found, returning swap interval 0\n");
3017 swap_interval
= gl
->swap_interval
;
3018 release_gl_drawable(gl
);
3020 return swap_interval
;
3024 * X11DRV_wglSwapIntervalEXT
3026 * WGL_EXT_swap_control: wglSwapIntervalEXT
3028 static BOOL
X11DRV_wglSwapIntervalEXT(int interval
)
3030 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
3031 struct gl_drawable
*gl
;
3034 TRACE("(%d)\n", interval
);
3036 /* Without WGL/GLX_EXT_swap_control_tear a negative interval
3039 if (interval
< 0 && !has_swap_control_tear
)
3041 SetLastError(ERROR_INVALID_DATA
);
3045 if (!(gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), ctx
->hdc
)))
3047 SetLastError(ERROR_DC_NOT_FOUND
);
3051 ret
= set_swap_interval(gl
->drawable
, interval
);
3052 gl
->refresh_swap_interval
= FALSE
;
3054 gl
->swap_interval
= interval
;
3056 SetLastError(ERROR_DC_NOT_FOUND
);
3058 release_gl_drawable(gl
);
3064 * X11DRV_wglSetPixelFormatWINE
3066 * WGL_WINE_pixel_format_passthrough: wglSetPixelFormatWINE
3067 * This is a WINE-specific wglSetPixelFormat which can set the pixel format multiple times.
3069 static BOOL
X11DRV_wglSetPixelFormatWINE(HDC hdc
, int format
)
3071 return set_pixel_format(hdc
, format
, TRUE
);
3075 * glxRequireVersion (internal)
3077 * Check if the supported GLX version matches requiredVersion.
3079 static BOOL
glxRequireVersion(int requiredVersion
)
3081 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
3082 if(requiredVersion
<= WineGLInfo
.glxVersion
[1])
3088 static void register_extension(const char *ext
)
3090 if (WineGLInfo
.wglExtensions
[0])
3091 strcat(WineGLInfo
.wglExtensions
, " ");
3092 strcat(WineGLInfo
.wglExtensions
, ext
);
3094 TRACE("'%s'\n", ext
);
3098 * X11DRV_WineGL_LoadExtensions
3100 static void X11DRV_WineGL_LoadExtensions(void)
3102 WineGLInfo
.wglExtensions
[0] = 0;
3104 /* ARB Extensions */
3106 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_create_context"))
3108 register_extension( "WGL_ARB_create_context" );
3109 opengl_funcs
.ext
.p_wglCreateContextAttribsARB
= X11DRV_wglCreateContextAttribsARB
;
3111 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_create_context_profile"))
3112 register_extension("WGL_ARB_create_context_profile");
3115 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_fbconfig_float"))
3117 register_extension("WGL_ARB_pixel_format_float");
3118 register_extension("WGL_ATI_pixel_format_float");
3121 register_extension( "WGL_ARB_extensions_string" );
3122 opengl_funcs
.ext
.p_wglGetExtensionsStringARB
= X11DRV_wglGetExtensionsStringARB
;
3124 if (glxRequireVersion(3))
3126 register_extension( "WGL_ARB_make_current_read" );
3127 opengl_funcs
.ext
.p_wglGetCurrentReadDCARB
= (void *)1; /* never called */
3128 opengl_funcs
.ext
.p_wglMakeContextCurrentARB
= X11DRV_wglMakeContextCurrentARB
;
3131 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_multisample")) register_extension( "WGL_ARB_multisample" );
3133 if (glxRequireVersion(3))
3135 register_extension( "WGL_ARB_pbuffer" );
3136 opengl_funcs
.ext
.p_wglCreatePbufferARB
= X11DRV_wglCreatePbufferARB
;
3137 opengl_funcs
.ext
.p_wglDestroyPbufferARB
= X11DRV_wglDestroyPbufferARB
;
3138 opengl_funcs
.ext
.p_wglGetPbufferDCARB
= X11DRV_wglGetPbufferDCARB
;
3139 opengl_funcs
.ext
.p_wglQueryPbufferARB
= X11DRV_wglQueryPbufferARB
;
3140 opengl_funcs
.ext
.p_wglReleasePbufferDCARB
= X11DRV_wglReleasePbufferDCARB
;
3141 opengl_funcs
.ext
.p_wglSetPbufferAttribARB
= X11DRV_wglSetPbufferAttribARB
;
3144 register_extension( "WGL_ARB_pixel_format" );
3145 opengl_funcs
.ext
.p_wglChoosePixelFormatARB
= X11DRV_wglChoosePixelFormatARB
;
3146 opengl_funcs
.ext
.p_wglGetPixelFormatAttribfvARB
= X11DRV_wglGetPixelFormatAttribfvARB
;
3147 opengl_funcs
.ext
.p_wglGetPixelFormatAttribivARB
= X11DRV_wglGetPixelFormatAttribivARB
;
3149 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
3150 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_render_texture") ||
3151 (glxRequireVersion(3) && use_render_texture_emulation
))
3153 register_extension( "WGL_ARB_render_texture" );
3154 opengl_funcs
.ext
.p_wglBindTexImageARB
= X11DRV_wglBindTexImageARB
;
3155 opengl_funcs
.ext
.p_wglReleaseTexImageARB
= X11DRV_wglReleaseTexImageARB
;
3157 /* The WGL version of GLX_NV_float_buffer requires render_texture */
3158 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_NV_float_buffer"))
3159 register_extension("WGL_NV_float_buffer");
3161 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
3162 if (has_extension(WineGLInfo
.glExtensions
, "GL_NV_texture_rectangle"))
3163 register_extension("WGL_NV_render_texture_rectangle");
3166 /* EXT Extensions */
3168 register_extension( "WGL_EXT_extensions_string" );
3169 opengl_funcs
.ext
.p_wglGetExtensionsStringEXT
= X11DRV_wglGetExtensionsStringEXT
;
3171 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
3172 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
3173 register_extension( "WGL_EXT_swap_control" );
3174 opengl_funcs
.ext
.p_wglSwapIntervalEXT
= X11DRV_wglSwapIntervalEXT
;
3175 opengl_funcs
.ext
.p_wglGetSwapIntervalEXT
= X11DRV_wglGetSwapIntervalEXT
;
3177 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_framebuffer_sRGB"))
3178 register_extension("WGL_EXT_framebuffer_sRGB");
3180 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_fbconfig_packed_float"))
3181 register_extension("WGL_EXT_pixel_format_packed_float");
3183 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_swap_control"))
3185 swap_control_method
= GLX_SWAP_CONTROL_EXT
;
3186 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_swap_control_tear"))
3188 register_extension("WGL_EXT_swap_control_tear");
3189 has_swap_control_tear
= TRUE
;
3192 else if (has_extension( WineGLInfo
.glxExtensions
, "GLX_MESA_swap_control"))
3194 swap_control_method
= GLX_SWAP_CONTROL_MESA
;
3196 else if (has_extension( WineGLInfo
.glxExtensions
, "GLX_SGI_swap_control"))
3198 swap_control_method
= GLX_SWAP_CONTROL_SGI
;
3201 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
3202 if (has_extension(WineGLInfo
.glExtensions
, "GL_NV_vertex_array_range"))
3204 register_extension( "WGL_NV_vertex_array_range" );
3205 opengl_funcs
.ext
.p_wglAllocateMemoryNV
= pglXAllocateMemoryNV
;
3206 opengl_funcs
.ext
.p_wglFreeMemoryNV
= pglXFreeMemoryNV
;
3209 if (has_extension(WineGLInfo
.glxExtensions
, "GLX_OML_swap_method"))
3210 has_swap_method
= TRUE
;
3212 /* WINE-specific WGL Extensions */
3214 /* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset).
3215 * The default wglSetPixelFormat doesn't allow this, so add our own which allows it.
3217 register_extension( "WGL_WINE_pixel_format_passthrough" );
3218 opengl_funcs
.ext
.p_wglSetPixelFormatWINE
= X11DRV_wglSetPixelFormatWINE
;
3223 * glxdrv_SwapBuffers
3225 * Swap the buffers of this DC
3227 static BOOL
glxdrv_wglSwapBuffers( HDC hdc
)
3229 struct x11drv_escape_flush_gl_drawable escape
;
3230 struct gl_drawable
*gl
;
3231 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
3233 TRACE("(%p)\n", hdc
);
3235 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
3236 escape
.gl_drawable
= 0;
3238 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
3240 SetLastError( ERROR_INVALID_HANDLE
);
3244 if (gl
->refresh_swap_interval
)
3246 set_swap_interval(gl
->drawable
, gl
->swap_interval
);
3247 gl
->refresh_swap_interval
= FALSE
;
3252 case DC_GL_PIXMAP_WIN
:
3253 if (ctx
) sync_context( ctx
);
3254 escape
.gl_drawable
= gl
->pixmap
;
3255 if (pglXCopySubBufferMESA
) {
3256 /* (glX)SwapBuffers has an implicit glFlush effect, however
3257 * GLX_MESA_copy_sub_buffer doesn't. Make sure GL is flushed before
3260 pglXCopySubBufferMESA( gdi_display
, gl
->drawable
, 0, 0,
3261 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
);
3264 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3266 case DC_GL_CHILD_WIN
:
3267 if (ctx
) sync_context( ctx
);
3268 escape
.gl_drawable
= gl
->drawable
;
3271 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3275 release_gl_drawable( gl
);
3277 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
3281 static struct opengl_funcs opengl_funcs
=
3284 glxdrv_wglCopyContext
, /* p_wglCopyContext */
3285 glxdrv_wglCreateContext
, /* p_wglCreateContext */
3286 glxdrv_wglDeleteContext
, /* p_wglDeleteContext */
3287 glxdrv_wglDescribePixelFormat
, /* p_wglDescribePixelFormat */
3288 glxdrv_wglGetPixelFormat
, /* p_wglGetPixelFormat */
3289 glxdrv_wglGetProcAddress
, /* p_wglGetProcAddress */
3290 glxdrv_wglMakeCurrent
, /* p_wglMakeCurrent */
3291 glxdrv_wglSetPixelFormat
, /* p_wglSetPixelFormat */
3292 glxdrv_wglShareLists
, /* p_wglShareLists */
3293 glxdrv_wglSwapBuffers
, /* p_wglSwapBuffers */
3297 struct opengl_funcs
*get_glx_driver( UINT version
)
3299 if (version
!= WINE_WGL_DRIVER_VERSION
)
3301 ERR( "version mismatch, opengl32 wants %u but driver has %u\n", version
, WINE_WGL_DRIVER_VERSION
);
3304 if (has_opengl()) return &opengl_funcs
;
3308 #else /* no OpenGL includes */
3310 struct opengl_funcs
*get_glx_driver( UINT version
)
3315 void sync_gl_drawable( HWND hwnd
, const RECT
*visible_rect
, const RECT
*client_rect
)
3319 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
3323 void destroy_gl_drawable( HWND hwnd
)
3327 #endif /* defined(SONAME_LIBGL) */