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_RGBA_BIT 0x00000001
149 #define GLX_COLOR_INDEX_BIT 0x00000002
150 #define GLX_PBUFFER_CLOBBER_MASK 0x08000000
152 /** GLX_ARB_multisample */
153 #define GLX_SAMPLE_BUFFERS_ARB 100000
154 #define GLX_SAMPLES_ARB 100001
155 /** GLX_ARB_framebuffer_sRGB */
156 #define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
157 /** GLX_EXT_fbconfig_packed_float */
158 #define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
159 #define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008
160 /** GLX_ARB_create_context */
161 #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
162 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
163 #define GLX_CONTEXT_FLAGS_ARB 0x2094
164 /** GLX_ARB_create_context_profile */
165 #define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
166 /** GLX_ATI_pixel_format_float */
167 #define GLX_RGBA_FLOAT_ATI_BIT 0x00000100
168 /** GLX_ARB_pixel_format_float */
169 #define GLX_RGBA_FLOAT_BIT 0x00000004
170 #define GLX_RGBA_FLOAT_TYPE 0x20B9
171 /** GLX_NV_float_buffer */
172 #define GLX_FLOAT_COMPONENTS_NV 0x20B0
176 const char *glVersion
;
181 const char *glxServerVersion
;
182 const char *glxServerVendor
;
183 const char *glxServerExtensions
;
185 const char *glxClientVersion
;
186 const char *glxClientVendor
;
187 const char *glxClientExtensions
;
189 const char *glxExtensions
;
192 char wglExtensions
[4096];
195 struct wgl_pixel_format
197 GLXFBConfig fbconfig
;
200 DWORD dwFlags
; /* We store some PFD_* flags in here for emulated bitmap formats */
206 BOOL has_been_current
;
210 const struct wgl_pixel_format
*fmt
;
211 int numAttribs
; /* This is needed for delaying wglCreateContextAttribsARB */
212 int attribList
[16]; /* This is needed for delaying wglCreateContextAttribsARB */
214 Drawable drawables
[2];
215 BOOL refresh_drawables
;
222 const struct wgl_pixel_format
* fmt
;
226 int use_render_texture
; /* This is also the internal texture format */
227 int texture_bind_target
;
229 GLint texture_format
;
230 GLuint texture_target
;
238 DC_GL_NONE
, /* no GL support (pixel format not set yet) */
239 DC_GL_WINDOW
, /* normal top-level window */
240 DC_GL_CHILD_WIN
, /* child window using XComposite */
241 DC_GL_PIXMAP_WIN
, /* child window using intermediate pixmap */
242 DC_GL_PBUFFER
/* pseudo memory DC using a PBuffer */
247 enum dc_gl_type type
; /* type of GL surface */
248 Drawable drawable
; /* drawable for rendering to the client area */
249 Pixmap pixmap
; /* base pixmap if drawable is a GLXPixmap */
250 Colormap colormap
; /* colormap used for the drawable */
251 const struct wgl_pixel_format
*format
; /* pixel format for the drawable */
252 XVisualInfo
*visual
; /* information about the GL visual */
253 RECT rect
; /* drawable rect, relative to whole window drawable */
255 BOOL refresh_swap_interval
;
258 enum glx_swap_control_method
260 GLX_SWAP_CONTROL_NONE
,
261 GLX_SWAP_CONTROL_EXT
,
262 GLX_SWAP_CONTROL_SGI
,
263 GLX_SWAP_CONTROL_MESA
266 /* X context to associate a struct gl_drawable to an hwnd */
267 static XContext gl_hwnd_context
;
268 /* X context to associate a struct gl_drawable to a pbuffer hdc */
269 static XContext gl_pbuffer_context
;
271 static const struct gdi_dc_funcs glxdrv_funcs
;
273 static inline struct glx_physdev
*get_glxdrv_dev( PHYSDEV dev
)
275 return (struct glx_physdev
*)dev
;
278 static struct list context_list
= LIST_INIT( context_list
);
279 static struct WineGLInfo WineGLInfo
= { 0 };
280 static struct wgl_pixel_format
*pixel_formats
;
281 static int nb_pixel_formats
, nb_onscreen_formats
;
282 static BOOL use_render_texture_emulation
= TRUE
;
284 /* Selects the preferred GLX swap control method for use by wglSwapIntervalEXT */
285 static enum glx_swap_control_method swap_control_method
= GLX_SWAP_CONTROL_NONE
;
286 /* Set when GLX_EXT_swap_control_tear is supported, requires GLX_SWAP_CONTROL_EXT */
287 static BOOL has_swap_control_tear
= FALSE
;
289 static CRITICAL_SECTION context_section
;
290 static CRITICAL_SECTION_DEBUG critsect_debug
=
292 0, 0, &context_section
,
293 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
294 0, 0, { (DWORD_PTR
)(__FILE__
": context_section") }
296 static CRITICAL_SECTION context_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
298 static const BOOL is_win64
= sizeof(void *) > sizeof(int);
300 static struct opengl_funcs opengl_funcs
;
302 #define USE_GL_FUNC(name) #name,
303 static const char *opengl_func_names
[] = { ALL_WGL_FUNCS
};
306 static void X11DRV_WineGL_LoadExtensions(void);
307 static void init_pixel_formats( Display
*display
);
308 static BOOL
glxRequireVersion(int requiredVersion
);
310 static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR
*ppfd
) {
311 TRACE(" - size / version : %d / %d\n", ppfd
->nSize
, ppfd
->nVersion
);
312 TRACE(" - dwFlags : ");
313 #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
314 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DEPTH_DONTCARE
);
315 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER
);
316 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER_DONTCARE
);
317 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_WINDOW
);
318 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_BITMAP
);
319 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_ACCELERATED
);
320 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_FORMAT
);
321 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_PALETTE
);
322 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_SYSTEM_PALETTE
);
323 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO
);
324 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO_DONTCARE
);
325 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_GDI
);
326 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_OPENGL
);
327 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_COPY
);
328 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_EXCHANGE
);
329 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_LAYER_BUFFERS
);
330 /* PFD_SUPPORT_COMPOSITION is new in Vista, it is similar to composition
331 * under X e.g. COMPOSITE + GLX_EXT_TEXTURE_FROM_PIXMAP. */
332 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_COMPOSITION
);
336 TRACE(" - iPixelType : ");
337 switch (ppfd
->iPixelType
) {
338 case PFD_TYPE_RGBA
: TRACE("PFD_TYPE_RGBA"); break;
339 case PFD_TYPE_COLORINDEX
: TRACE("PFD_TYPE_COLORINDEX"); break;
343 TRACE(" - Color : %d\n", ppfd
->cColorBits
);
344 TRACE(" - Red : %d\n", ppfd
->cRedBits
);
345 TRACE(" - Green : %d\n", ppfd
->cGreenBits
);
346 TRACE(" - Blue : %d\n", ppfd
->cBlueBits
);
347 TRACE(" - Alpha : %d\n", ppfd
->cAlphaBits
);
348 TRACE(" - Accum : %d\n", ppfd
->cAccumBits
);
349 TRACE(" - Depth : %d\n", ppfd
->cDepthBits
);
350 TRACE(" - Stencil : %d\n", ppfd
->cStencilBits
);
351 TRACE(" - Aux : %d\n", ppfd
->cAuxBuffers
);
353 TRACE(" - iLayerType : ");
354 switch (ppfd
->iLayerType
) {
355 case PFD_MAIN_PLANE
: TRACE("PFD_MAIN_PLANE"); break;
356 case PFD_OVERLAY_PLANE
: TRACE("PFD_OVERLAY_PLANE"); break;
357 case (BYTE
)PFD_UNDERLAY_PLANE
: TRACE("PFD_UNDERLAY_PLANE"); break;
362 #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0)
363 #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0)
366 static XVisualInfo
* (*pglXChooseVisual
)( Display
*dpy
, int screen
, int *attribList
);
367 static GLXContext (*pglXCreateContext
)( Display
*dpy
, XVisualInfo
*vis
, GLXContext shareList
, Bool direct
);
368 static void (*pglXDestroyContext
)( Display
*dpy
, GLXContext ctx
);
369 static Bool (*pglXMakeCurrent
)( Display
*dpy
, GLXDrawable drawable
, GLXContext ctx
);
370 static void (*pglXCopyContext
)( Display
*dpy
, GLXContext src
, GLXContext dst
, unsigned long mask
);
371 static void (*pglXSwapBuffers
)( Display
*dpy
, GLXDrawable drawable
);
372 static GLXPixmap (*pglXCreateGLXPixmap
)( Display
*dpy
, XVisualInfo
*visual
, Pixmap pixmap
);
373 static void (*pglXDestroyGLXPixmap
)( Display
*dpy
, GLXPixmap pixmap
);
374 static Bool (*pglXQueryExtension
)( Display
*dpy
, int *errorb
, int *event
);
375 static Bool (*pglXQueryVersion
)( Display
*dpy
, int *maj
, int *min
);
376 static Bool (*pglXIsDirect
)( Display
*dpy
, GLXContext ctx
);
377 static int (*pglXGetConfig
)( Display
*dpy
, XVisualInfo
*visual
, int attrib
, int *value
);
378 static GLXContext (*pglXGetCurrentContext
)( void );
379 static GLXDrawable (*pglXGetCurrentDrawable
)( void );
382 static const char *(*pglXQueryExtensionsString
)( Display
*dpy
, int screen
);
383 static const char *(*pglXQueryServerString
)( Display
*dpy
, int screen
, int name
);
384 static const char *(*pglXGetClientString
)( Display
*dpy
, int name
);
387 static GLXFBConfig
*(*pglXChooseFBConfig
)( Display
*dpy
, int screen
, const int *attribList
, int *nitems
);
388 static int (*pglXGetFBConfigAttrib
)( Display
*dpy
, GLXFBConfig config
, int attribute
, int *value
);
389 static GLXFBConfig
*(*pglXGetFBConfigs
)( Display
*dpy
, int screen
, int *nelements
);
390 static XVisualInfo
*(*pglXGetVisualFromFBConfig
)( Display
*dpy
, GLXFBConfig config
);
391 static GLXPbuffer (*pglXCreatePbuffer
)( Display
*dpy
, GLXFBConfig config
, const int *attribList
);
392 static void (*pglXDestroyPbuffer
)( Display
*dpy
, GLXPbuffer pbuf
);
393 static void (*pglXQueryDrawable
)( Display
*dpy
, GLXDrawable draw
, int attribute
, unsigned int *value
);
394 static GLXContext (*pglXCreateNewContext
)( Display
*dpy
, GLXFBConfig config
, int renderType
, GLXContext shareList
, Bool direct
);
395 static Bool (*pglXMakeContextCurrent
)( Display
*dpy
, GLXDrawable draw
, GLXDrawable read
, GLXContext ctx
);
398 static GLXContext (*pglXCreateContextAttribsARB
)(Display
*dpy
, GLXFBConfig config
, GLXContext share_context
, Bool direct
, const int *attrib_list
);
399 static void* (*pglXGetProcAddressARB
)(const GLubyte
*);
400 static void (*pglXSwapIntervalEXT
)(Display
*dpy
, GLXDrawable drawable
, int interval
);
401 static int (*pglXSwapIntervalSGI
)(int);
403 /* NV GLX Extension */
404 static void* (*pglXAllocateMemoryNV
)(GLsizei size
, GLfloat readfreq
, GLfloat writefreq
, GLfloat priority
);
405 static void (*pglXFreeMemoryNV
)(GLvoid
*pointer
);
407 /* MESA GLX Extensions */
408 static void (*pglXCopySubBufferMESA
)(Display
*dpy
, GLXDrawable drawable
, int x
, int y
, int width
, int height
);
409 static int (*pglXSwapIntervalMESA
)(unsigned int interval
);
411 /* Standard OpenGL */
412 static void (*pglFinish
)(void);
413 static void (*pglFlush
)(void);
414 static const GLubyte
*(*pglGetString
)(GLenum name
);
416 static void wglFinish(void);
417 static void wglFlush(void);
418 static const GLubyte
*wglGetString(GLenum name
);
420 /* check if the extension is present in the list */
421 static BOOL
has_extension( const char *list
, const char *ext
)
423 size_t len
= strlen( ext
);
427 while (*list
== ' ') list
++;
428 if (!strncmp( list
, ext
, len
) && (!list
[len
] || list
[len
] == ' ')) return TRUE
;
429 list
= strchr( list
, ' ' );
434 static int GLXErrorHandler(Display
*dpy
, XErrorEvent
*event
, void *arg
)
436 /* In the future we might want to find the exact X or GLX error to report back to the app */
440 static BOOL
X11DRV_WineGL_InitOpenglInfo(void)
442 static const char legacy_extensions
[] = " WGL_EXT_extensions_string WGL_EXT_swap_control";
444 int screen
= DefaultScreen(gdi_display
);
445 Window win
= 0, root
= 0;
446 const char *gl_renderer
;
449 GLXContext ctx
= NULL
;
450 XSetWindowAttributes attr
;
452 int attribList
[] = {GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
454 attr
.override_redirect
= True
;
455 attr
.colormap
= None
;
456 attr
.border_pixel
= 0;
458 vis
= pglXChooseVisual(gdi_display
, screen
, attribList
);
461 WORD old_fs
= wine_get_fs();
462 /* Create a GLX Context. Without one we can't query GL information */
463 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
464 if (wine_get_fs() != old_fs
)
466 wine_set_fs( old_fs
);
467 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
468 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
472 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
477 root
= RootWindow( gdi_display
, vis
->screen
);
478 if (vis
->visual
!= DefaultVisual( gdi_display
, vis
->screen
))
479 attr
.colormap
= XCreateColormap( gdi_display
, root
, vis
->visual
, AllocNone
);
480 if ((win
= XCreateWindow( gdi_display
, root
, -1, -1, 1, 1, 0, vis
->depth
, InputOutput
,
481 vis
->visual
, CWBorderPixel
| CWOverrideRedirect
| CWColormap
, &attr
)))
482 XMapWindow( gdi_display
, win
);
486 if(pglXMakeCurrent(gdi_display
, win
, ctx
) == 0)
488 ERR_(winediag
)( "Unable to activate OpenGL context, most likely your %s OpenGL drivers haven't been "
489 "installed correctly\n", is_win64
? "64-bit" : "32-bit" );
492 gl_renderer
= (const char *)opengl_funcs
.gl
.p_glGetString(GL_RENDERER
);
493 WineGLInfo
.glVersion
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_VERSION
);
494 str
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_EXTENSIONS
);
495 WineGLInfo
.glExtensions
= HeapAlloc(GetProcessHeap(), 0, strlen(str
)+sizeof(legacy_extensions
));
496 strcpy(WineGLInfo
.glExtensions
, str
);
497 strcat(WineGLInfo
.glExtensions
, legacy_extensions
);
499 /* Get the common GLX version supported by GLX client and server ( major/minor) */
500 pglXQueryVersion(gdi_display
, &WineGLInfo
.glxVersion
[0], &WineGLInfo
.glxVersion
[1]);
502 WineGLInfo
.glxServerVersion
= pglXQueryServerString(gdi_display
, screen
, GLX_VERSION
);
503 WineGLInfo
.glxServerVendor
= pglXQueryServerString(gdi_display
, screen
, GLX_VENDOR
);
504 WineGLInfo
.glxServerExtensions
= pglXQueryServerString(gdi_display
, screen
, GLX_EXTENSIONS
);
506 WineGLInfo
.glxClientVersion
= pglXGetClientString(gdi_display
, GLX_VERSION
);
507 WineGLInfo
.glxClientVendor
= pglXGetClientString(gdi_display
, GLX_VENDOR
);
508 WineGLInfo
.glxClientExtensions
= pglXGetClientString(gdi_display
, GLX_EXTENSIONS
);
510 WineGLInfo
.glxExtensions
= pglXQueryExtensionsString(gdi_display
, screen
);
511 WineGLInfo
.glxDirect
= pglXIsDirect(gdi_display
, ctx
);
513 TRACE("GL version : %s.\n", WineGLInfo
.glVersion
);
514 TRACE("GL renderer : %s.\n", gl_renderer
);
515 TRACE("GLX version : %d.%d.\n", WineGLInfo
.glxVersion
[0], WineGLInfo
.glxVersion
[1]);
516 TRACE("Server GLX version : %s.\n", WineGLInfo
.glxServerVersion
);
517 TRACE("Server GLX vendor: : %s.\n", WineGLInfo
.glxServerVendor
);
518 TRACE("Client GLX version : %s.\n", WineGLInfo
.glxClientVersion
);
519 TRACE("Client GLX vendor: : %s.\n", WineGLInfo
.glxClientVendor
);
520 TRACE("Direct rendering enabled: %s\n", WineGLInfo
.glxDirect
? "True" : "False");
522 if(!WineGLInfo
.glxDirect
)
524 int fd
= ConnectionNumber(gdi_display
);
525 struct sockaddr_un uaddr
;
526 unsigned int uaddrlen
= sizeof(struct sockaddr_un
);
528 /* In general indirect rendering on a local X11 server indicates a driver problem.
529 * Detect a local X11 server by checking whether the X11 socket is a Unix socket.
531 if(!getsockname(fd
, (struct sockaddr
*)&uaddr
, &uaddrlen
) && uaddr
.sun_family
== AF_UNIX
)
532 ERR_(winediag
)("Direct rendering is disabled, most likely your %s OpenGL drivers "
533 "haven't been installed correctly (using GL renderer %s, version %s).\n",
534 is_win64
? "64-bit" : "32-bit", debugstr_a(gl_renderer
),
535 debugstr_a(WineGLInfo
.glVersion
));
539 /* In general you would expect that if direct rendering is returned, that you receive hardware
540 * accelerated OpenGL rendering. The definition of direct rendering is that rendering is performed
541 * client side without sending all GL commands to X using the GLX protocol. When Mesa falls back to
542 * software rendering, it shows direct rendering.
544 * Depending on the cause of software rendering a different rendering string is shown. In case Mesa fails
545 * to load a DRI module 'Software Rasterizer' is returned. When Mesa is compiled as a OpenGL reference driver
546 * it shows 'Mesa X11'.
548 if(!strcmp(gl_renderer
, "Software Rasterizer") || !strcmp(gl_renderer
, "Mesa X11"))
549 ERR_(winediag
)("The Mesa OpenGL driver is using software rendering, most likely your %s OpenGL "
550 "drivers haven't been installed correctly (using GL renderer %s, version %s).\n",
551 is_win64
? "64-bit" : "32-bit", debugstr_a(gl_renderer
),
552 debugstr_a(WineGLInfo
.glVersion
));
559 pglXMakeCurrent(gdi_display
, None
, NULL
);
560 pglXDestroyContext(gdi_display
, ctx
);
562 if (win
!= root
) XDestroyWindow( gdi_display
, win
);
563 if (attr
.colormap
) XFreeColormap( gdi_display
, attr
.colormap
);
564 if (!ret
) ERR(" couldn't initialize OpenGL, expect problems\n");
568 static BOOL
has_opengl(void)
570 static BOOL init_done
= FALSE
;
571 static void *opengl_handle
;
574 int error_base
, event_base
;
577 if (init_done
) return (opengl_handle
!= NULL
);
580 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
581 and include all dependencies */
582 opengl_handle
= wine_dlopen(SONAME_LIBGL
, RTLD_NOW
|RTLD_GLOBAL
, buffer
, sizeof(buffer
));
583 if (opengl_handle
== NULL
)
585 ERR( "Failed to load libGL: %s\n", buffer
);
586 ERR( "OpenGL support is disabled.\n");
590 for (i
= 0; i
< sizeof(opengl_func_names
)/sizeof(opengl_func_names
[0]); i
++)
592 if (!(((void **)&opengl_funcs
.gl
)[i
] = wine_dlsym( opengl_handle
, opengl_func_names
[i
], NULL
, 0 )))
594 ERR( "%s not found in libGL, disabling OpenGL.\n", opengl_func_names
[i
] );
599 /* redirect some standard OpenGL functions */
600 #define REDIRECT(func) \
601 do { p##func = opengl_funcs.gl.p_##func; opengl_funcs.gl.p_##func = w##func; } while(0)
602 REDIRECT( glFinish
);
604 REDIRECT( glGetString
);
607 pglXGetProcAddressARB
= wine_dlsym(opengl_handle
, "glXGetProcAddressARB", NULL
, 0);
608 if (pglXGetProcAddressARB
== NULL
) {
609 ERR("Could not find glXGetProcAddressARB in libGL, disabling OpenGL.\n");
613 #define LOAD_FUNCPTR(f) do if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) \
615 ERR( "%s not found in libGL, disabling OpenGL.\n", #f ); \
620 LOAD_FUNCPTR(glXChooseVisual
);
621 LOAD_FUNCPTR(glXCopyContext
);
622 LOAD_FUNCPTR(glXCreateContext
);
623 LOAD_FUNCPTR(glXCreateGLXPixmap
);
624 LOAD_FUNCPTR(glXGetCurrentContext
);
625 LOAD_FUNCPTR(glXGetCurrentDrawable
);
626 LOAD_FUNCPTR(glXDestroyContext
);
627 LOAD_FUNCPTR(glXDestroyGLXPixmap
);
628 LOAD_FUNCPTR(glXGetConfig
);
629 LOAD_FUNCPTR(glXIsDirect
);
630 LOAD_FUNCPTR(glXMakeCurrent
);
631 LOAD_FUNCPTR(glXSwapBuffers
);
632 LOAD_FUNCPTR(glXQueryExtension
);
633 LOAD_FUNCPTR(glXQueryVersion
);
636 LOAD_FUNCPTR(glXGetClientString
);
637 LOAD_FUNCPTR(glXQueryExtensionsString
);
638 LOAD_FUNCPTR(glXQueryServerString
);
641 LOAD_FUNCPTR(glXCreatePbuffer
);
642 LOAD_FUNCPTR(glXCreateNewContext
);
643 LOAD_FUNCPTR(glXDestroyPbuffer
);
644 LOAD_FUNCPTR(glXMakeContextCurrent
);
645 LOAD_FUNCPTR(glXGetFBConfigs
);
648 /* It doesn't matter if these fail. They'll only be used if the driver reports
649 the associated extension is available (and if a driver reports the extension
650 is available but fails to provide the functions, it's quite broken) */
651 #define LOAD_FUNCPTR(f) p##f = pglXGetProcAddressARB((const GLubyte *)#f)
652 /* ARB GLX Extension */
653 LOAD_FUNCPTR(glXCreateContextAttribsARB
);
654 /* EXT GLX Extension */
655 LOAD_FUNCPTR(glXSwapIntervalEXT
);
656 /* MESA GLX Extension */
657 LOAD_FUNCPTR(glXSwapIntervalMESA
);
658 /* SGI GLX Extension */
659 LOAD_FUNCPTR(glXSwapIntervalSGI
);
660 /* NV GLX Extension */
661 LOAD_FUNCPTR(glXAllocateMemoryNV
);
662 LOAD_FUNCPTR(glXFreeMemoryNV
);
665 if(!X11DRV_WineGL_InitOpenglInfo()) goto failed
;
667 if (pglXQueryExtension(gdi_display
, &error_base
, &event_base
)) {
668 TRACE("GLX is up and running error_base = %d\n", error_base
);
670 ERR( "GLX extension is missing, disabling OpenGL.\n" );
673 gl_hwnd_context
= XUniqueContext();
674 gl_pbuffer_context
= XUniqueContext();
676 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
677 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
680 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
681 * depends on the reported GLX client / server version and on the client / server extension list.
682 * Those don't have to be the same.
684 * In general the server GLX information lists the capabilities in case of indirect rendering.
685 * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are
686 * available and in that case the client GLX informat can be used.
687 * OpenGL programs should use the 'intersection' of both sets of information which is advertised
688 * in the GLX version/extension list. When a program does this it works for certain for both
689 * direct and indirect rendering.
691 * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason
692 * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client
693 * extension list which causes this extension not to be listed. (Wine requires this extension).
694 * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among
695 * pbuffers is around.
697 * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect
698 * the ATI drivers and from then on use GLX client information for them.
701 if(glxRequireVersion(3)) {
702 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
703 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
704 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
705 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
706 } else if (has_extension( WineGLInfo
.glxExtensions
, "GLX_SGIX_fbconfig")) {
707 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfigSGIX");
708 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttribSGIX");
709 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfigSGIX");
711 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
712 * enable this function when the Xserver understand GLX 1.3 or newer
714 pglXQueryDrawable
= NULL
;
715 } else if(strcmp("ATI", WineGLInfo
.glxClientVendor
) == 0) {
716 TRACE("Overriding ATI GLX capabilities!\n");
717 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
718 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
719 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
720 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
722 /* Use client GLX information in case of the ATI drivers. We override the
723 * capabilities over here and not somewhere else as ATI might better their
724 * life in the future. In case they release proper drivers this block of
725 * code won't be called. */
726 WineGLInfo
.glxExtensions
= WineGLInfo
.glxClientExtensions
;
728 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", WineGLInfo
.glxServerVersion
);
731 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_MESA_copy_sub_buffer")) {
732 pglXCopySubBufferMESA
= pglXGetProcAddressARB((const GLubyte
*) "glXCopySubBufferMESA");
735 X11DRV_WineGL_LoadExtensions();
736 init_pixel_formats( gdi_display
);
740 wine_dlclose(opengl_handle
, NULL
, 0);
741 opengl_handle
= NULL
;
745 static int describeContext( struct wgl_context
*ctx
) {
748 TRACE(" Context %p have (vis:%p):\n", ctx
, ctx
->vis
);
749 pglXGetFBConfigAttrib(gdi_display
, ctx
->fmt
->fbconfig
, GLX_FBCONFIG_ID
, &tmp
);
750 TRACE(" - FBCONFIG_ID 0x%x\n", tmp
);
751 pglXGetFBConfigAttrib(gdi_display
, ctx
->fmt
->fbconfig
, GLX_VISUAL_ID
, &tmp
);
752 TRACE(" - VISUAL_ID 0x%x\n", tmp
);
757 static int ConvertAttribWGLtoGLX(const int* iWGLAttr
, int* oGLXAttr
, struct wgl_pbuffer
* pbuf
) {
762 int nvfloatattrib
= GLX_DONT_CARE
;
763 int pixelattrib
= GLX_DONT_CARE
;
765 /* The list of WGL attributes is allowed to be NULL. We don't return here for NULL
766 * because we need to do fixups for GLX_DRAWABLE_TYPE/GLX_RENDER_TYPE/GLX_FLOAT_COMPONENTS_NV. */
767 while (iWGLAttr
&& 0 != iWGLAttr
[cur
]) {
768 TRACE("pAttr[%d] = %x\n", cur
, iWGLAttr
[cur
]);
770 switch (iWGLAttr
[cur
]) {
771 case WGL_AUX_BUFFERS_ARB
:
772 pop
= iWGLAttr
[++cur
];
773 PUSH2(oGLXAttr
, GLX_AUX_BUFFERS
, pop
);
774 TRACE("pAttr[%d] = GLX_AUX_BUFFERS: %d\n", cur
, pop
);
776 case WGL_COLOR_BITS_ARB
:
777 pop
= iWGLAttr
[++cur
];
778 PUSH2(oGLXAttr
, GLX_BUFFER_SIZE
, pop
);
779 TRACE("pAttr[%d] = GLX_BUFFER_SIZE: %d\n", cur
, pop
);
781 case WGL_BLUE_BITS_ARB
:
782 pop
= iWGLAttr
[++cur
];
783 PUSH2(oGLXAttr
, GLX_BLUE_SIZE
, pop
);
784 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur
, pop
);
786 case WGL_RED_BITS_ARB
:
787 pop
= iWGLAttr
[++cur
];
788 PUSH2(oGLXAttr
, GLX_RED_SIZE
, pop
);
789 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur
, pop
);
791 case WGL_GREEN_BITS_ARB
:
792 pop
= iWGLAttr
[++cur
];
793 PUSH2(oGLXAttr
, GLX_GREEN_SIZE
, pop
);
794 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur
, pop
);
796 case WGL_ALPHA_BITS_ARB
:
797 pop
= iWGLAttr
[++cur
];
798 PUSH2(oGLXAttr
, GLX_ALPHA_SIZE
, pop
);
799 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur
, pop
);
801 case WGL_DEPTH_BITS_ARB
:
802 pop
= iWGLAttr
[++cur
];
803 PUSH2(oGLXAttr
, GLX_DEPTH_SIZE
, pop
);
804 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur
, pop
);
806 case WGL_STENCIL_BITS_ARB
:
807 pop
= iWGLAttr
[++cur
];
808 PUSH2(oGLXAttr
, GLX_STENCIL_SIZE
, pop
);
809 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur
, pop
);
811 case WGL_DOUBLE_BUFFER_ARB
:
812 pop
= iWGLAttr
[++cur
];
813 PUSH2(oGLXAttr
, GLX_DOUBLEBUFFER
, pop
);
814 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur
, pop
);
817 pop
= iWGLAttr
[++cur
];
818 PUSH2(oGLXAttr
, GLX_STEREO
, pop
);
819 TRACE("pAttr[%d] = GLX_STEREO: %d\n", cur
, pop
);
822 case WGL_PIXEL_TYPE_ARB
:
823 pop
= iWGLAttr
[++cur
];
824 TRACE("pAttr[%d] = WGL_PIXEL_TYPE_ARB: %d\n", cur
, pop
);
826 case WGL_TYPE_COLORINDEX_ARB
: pixelattrib
= GLX_COLOR_INDEX_BIT
; break ;
827 case WGL_TYPE_RGBA_ARB
: pixelattrib
= GLX_RGBA_BIT
; break ;
828 /* 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 */
829 case WGL_TYPE_RGBA_FLOAT_ATI
: pixelattrib
= GLX_RGBA_FLOAT_BIT
; break ;
830 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
: pixelattrib
= GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
; break ;
832 ERR("unexpected PixelType(%x)\n", pop
);
837 case WGL_SUPPORT_GDI_ARB
:
838 /* This flag is set in a pixel format */
839 pop
= iWGLAttr
[++cur
];
840 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur
, pop
);
843 case WGL_DRAW_TO_BITMAP_ARB
:
844 /* This flag is set in a pixel format */
845 pop
= iWGLAttr
[++cur
];
846 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur
, pop
);
849 case WGL_DRAW_TO_WINDOW_ARB
:
850 pop
= iWGLAttr
[++cur
];
851 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur
, pop
);
852 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
854 drawattrib
|= GLX_WINDOW_BIT
;
858 case WGL_DRAW_TO_PBUFFER_ARB
:
859 pop
= iWGLAttr
[++cur
];
860 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur
, pop
);
861 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
863 drawattrib
|= GLX_PBUFFER_BIT
;
867 case WGL_ACCELERATION_ARB
:
868 /* This flag is set in a pixel format */
869 pop
= iWGLAttr
[++cur
];
870 TRACE("pAttr[%d] = WGL_ACCELERATION_ARB: %d\n", cur
, pop
);
873 case WGL_SUPPORT_OPENGL_ARB
:
874 pop
= iWGLAttr
[++cur
];
875 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
876 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur
, pop
);
879 case WGL_SWAP_METHOD_ARB
:
880 pop
= iWGLAttr
[++cur
];
881 /* For now we ignore this and just return SWAP_EXCHANGE */
882 TRACE("pAttr[%d] = WGL_SWAP_METHOD_ARB: %#x\n", cur
, pop
);
885 case WGL_PBUFFER_LARGEST_ARB
:
886 pop
= iWGLAttr
[++cur
];
887 PUSH2(oGLXAttr
, GLX_LARGEST_PBUFFER
, pop
);
888 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur
, pop
);
891 case WGL_SAMPLE_BUFFERS_ARB
:
892 pop
= iWGLAttr
[++cur
];
893 PUSH2(oGLXAttr
, GLX_SAMPLE_BUFFERS_ARB
, pop
);
894 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur
, pop
);
897 case WGL_SAMPLES_ARB
:
898 pop
= iWGLAttr
[++cur
];
899 PUSH2(oGLXAttr
, GLX_SAMPLES_ARB
, pop
);
900 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur
, pop
);
903 case WGL_TEXTURE_FORMAT_ARB
:
904 case WGL_TEXTURE_TARGET_ARB
:
905 case WGL_MIPMAP_TEXTURE_ARB
:
906 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr
[cur
], iWGLAttr
[cur
+ 1]);
907 pop
= iWGLAttr
[++cur
];
909 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr
[cur
]);
911 if (!use_render_texture_emulation
) {
912 if (WGL_NO_TEXTURE_ARB
!= pop
) {
913 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr
[cur
]);
914 return -1; /** error: don't support it */
916 drawattrib
|= GLX_PBUFFER_BIT
;
920 case WGL_FLOAT_COMPONENTS_NV
:
921 nvfloatattrib
= iWGLAttr
[++cur
];
922 TRACE("pAttr[%d] = WGL_FLOAT_COMPONENTS_NV: %x\n", cur
, nvfloatattrib
);
924 case WGL_BIND_TO_TEXTURE_DEPTH_NV
:
925 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
926 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
927 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV
:
928 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV
:
929 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV
:
930 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV
:
931 pop
= iWGLAttr
[++cur
];
932 /** cannot be converted, see direct handling on
933 * - wglGetPixelFormatAttribivARB
934 * TODO: wglChoosePixelFormat
937 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
938 pop
= iWGLAttr
[++cur
];
939 PUSH2(oGLXAttr
, GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
, pop
);
940 TRACE("pAttr[%d] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT: %x\n", cur
, pop
);
943 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
944 pop
= iWGLAttr
[++cur
];
945 PUSH2(oGLXAttr
, GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
, pop
);
946 TRACE("pAttr[%d] = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT: %x\n", cur
, pop
);
949 FIXME("unsupported %x WGL Attribute\n", iWGLAttr
[cur
]);
956 /* By default glXChooseFBConfig defaults to GLX_WINDOW_BIT. wglChoosePixelFormatARB searches through
957 * all formats. Unless drawattrib is set to a non-zero value override it with GLX_DONT_CARE, so that
958 * pixmap and pbuffer formats appear as well. */
959 if (!drawattrib
) drawattrib
= GLX_DONT_CARE
;
960 PUSH2(oGLXAttr
, GLX_DRAWABLE_TYPE
, drawattrib
);
961 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib
);
963 /* By default glXChooseFBConfig uses GLX_RGBA_BIT as the default value. Since wglChoosePixelFormatARB
964 * searches in all formats we have to do the same. For this reason we set GLX_RENDER_TYPE to
965 * GLX_DONT_CARE unless it is overridden. */
966 PUSH2(oGLXAttr
, GLX_RENDER_TYPE
, pixelattrib
);
967 TRACE("pAttr[?] = GLX_RENDER_TYPE: %#x\n", pixelattrib
);
969 /* Set GLX_FLOAT_COMPONENTS_NV all the time */
970 if (has_extension(WineGLInfo
.glxExtensions
, "GLX_NV_float_buffer")) {
971 PUSH2(oGLXAttr
, GLX_FLOAT_COMPONENTS_NV
, nvfloatattrib
);
972 TRACE("pAttr[?] = GLX_FLOAT_COMPONENTS_NV: %#x\n", nvfloatattrib
);
978 static int get_render_type_from_fbconfig(Display
*display
, GLXFBConfig fbconfig
)
980 int render_type
=0, render_type_bit
;
981 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_RENDER_TYPE
, &render_type_bit
);
982 switch(render_type_bit
)
985 render_type
= GLX_RGBA_TYPE
;
987 case GLX_COLOR_INDEX_BIT
:
988 render_type
= GLX_COLOR_INDEX_TYPE
;
990 case GLX_RGBA_FLOAT_BIT
:
991 render_type
= GLX_RGBA_FLOAT_TYPE
;
993 case GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
:
994 render_type
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
997 ERR("Unknown render_type: %x\n", render_type_bit
);
1002 /* Check whether a fbconfig is suitable for Windows-style bitmap rendering */
1003 static BOOL
check_fbconfig_bitmap_capability(Display
*display
, GLXFBConfig fbconfig
)
1006 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_DOUBLEBUFFER
, &dbuf
);
1007 pglXGetFBConfigAttrib(gdi_display
, fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1009 /* Windows only supports bitmap rendering on single buffered formats, further the fbconfig needs to have
1010 * the GLX_PIXMAP_BIT set. */
1011 return !dbuf
&& (value
& GLX_PIXMAP_BIT
);
1014 static void init_pixel_formats( Display
*display
)
1016 struct wgl_pixel_format
*list
;
1017 int size
= 0, onscreen_size
= 0;
1018 int fmt_id
, nCfgs
, i
, run
, bmp_formats
;
1020 XVisualInfo
*visinfo
;
1022 cfgs
= pglXGetFBConfigs(display
, DefaultScreen(display
), &nCfgs
);
1023 if (NULL
== cfgs
|| 0 == nCfgs
) {
1024 if(cfgs
!= NULL
) XFree(cfgs
);
1025 ERR("glXChooseFBConfig returns NULL\n");
1029 /* Bitmap rendering on Windows implies the use of the Microsoft GDI software renderer.
1030 * Further most GLX drivers only offer pixmap rendering using indirect rendering (except for modern drivers which support 'AIGLX' / composite).
1031 * Indirect rendering can indicate software rendering (on Nvidia it is hw accelerated)
1032 * Since bitmap rendering implies the use of software rendering we can safely use indirect rendering for bitmaps.
1034 * Below we count the number of formats which are suitable for bitmap rendering. Windows restricts bitmap rendering to single buffered formats.
1036 for(i
=0, bmp_formats
=0; i
<nCfgs
; i
++)
1038 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
1041 TRACE("Found %d bitmap capable fbconfigs\n", bmp_formats
);
1043 list
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (nCfgs
+ bmp_formats
) * sizeof(*list
));
1045 /* Fill the pixel format list. Put onscreen formats at the top and offscreen ones at the bottom.
1046 * Do this as GLX doesn't guarantee that the list is sorted */
1047 for(run
=0; run
< 2; run
++)
1049 for(i
=0; i
<nCfgs
; i
++) {
1050 pglXGetFBConfigAttrib(display
, cfgs
[i
], GLX_FBCONFIG_ID
, &fmt_id
);
1051 visinfo
= pglXGetVisualFromFBConfig(display
, cfgs
[i
]);
1053 /* The first run we only add onscreen formats (ones which have an associated X Visual).
1054 * The second run we only set offscreen formats. */
1057 /* We implement child window rendering using offscreen buffers (using composite or an XPixmap).
1058 * The contents is copied to the destination using XCopyArea. For the copying to work
1059 * the depth of the source and destination window should be the same. In general this should
1060 * not be a problem for OpenGL as drivers only advertise formats with a similar depth (or no depth).
1061 * As of the introduction of composition managers at least Nvidia now also offers ARGB visuals
1062 * with a depth of 32 in addition to the default 24 bit. In order to prevent BadMatch errors we only
1063 * list formats with the same depth. */
1064 if(visinfo
->depth
!= default_visual
.depth
)
1070 TRACE("Found onscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1071 list
[size
].fbconfig
= cfgs
[i
];
1072 list
[size
].fmt_id
= fmt_id
;
1073 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1074 list
[size
].dwFlags
= 0;
1078 /* Clone a format if it is bitmap capable for indirect rendering to bitmaps */
1079 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
1081 TRACE("Found bitmap capable format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1082 list
[size
].fbconfig
= cfgs
[i
];
1083 list
[size
].fmt_id
= fmt_id
;
1084 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1085 list
[size
].dwFlags
= PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
| PFD_GENERIC_FORMAT
;
1089 } else if(run
&& !visinfo
) {
1090 int window_drawable
=0;
1091 pglXGetFBConfigAttrib(gdi_display
, cfgs
[i
], GLX_DRAWABLE_TYPE
, &window_drawable
);
1093 /* Recent Nvidia drivers and DRI drivers offer window drawable formats without a visual.
1094 * This are formats like 16-bit rgb on a 24-bit desktop. In order to support these formats
1095 * onscreen we would have to use glXCreateWindow instead of XCreateWindow. Further it will
1096 * likely make our child window opengl rendering more complicated since likely you can't use
1097 * XCopyArea on a GLX Window.
1098 * For now ignore fbconfigs which are window drawable but lack a visual. */
1099 if(window_drawable
& GLX_WINDOW_BIT
)
1101 TRACE("Skipping FBCONFIG_ID 0x%x as an offscreen format because it is window_drawable\n", fmt_id
);
1105 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1106 list
[size
].fbconfig
= cfgs
[i
];
1107 list
[size
].fmt_id
= fmt_id
;
1108 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1109 list
[size
].dwFlags
= 0;
1113 if (visinfo
) XFree(visinfo
);
1119 pixel_formats
= list
;
1120 nb_pixel_formats
= size
;
1121 nb_onscreen_formats
= onscreen_size
;
1124 static inline BOOL
is_valid_pixel_format( int format
)
1126 return format
> 0 && format
<= nb_pixel_formats
;
1129 static inline BOOL
is_onscreen_pixel_format( int format
)
1131 return format
> 0 && format
<= nb_onscreen_formats
;
1134 static inline int pixel_format_index( const struct wgl_pixel_format
*format
)
1136 return format
- pixel_formats
+ 1;
1139 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
1140 * In our WGL implementation we only support a subset of these formats namely the format of
1141 * Wine's main visual and offscreen formats (if they are available).
1142 * This function converts a WGL format to its corresponding GLX one.
1144 static const struct wgl_pixel_format
*get_pixel_format(Display
*display
, int iPixelFormat
, BOOL AllowOffscreen
)
1146 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
1147 * iPixelFormat in case of probing the number of pixelformats.
1149 if (is_valid_pixel_format( iPixelFormat
) &&
1150 (is_onscreen_pixel_format( iPixelFormat
) || AllowOffscreen
)) {
1151 TRACE("Returning fmt_id=%#x for iPixelFormat=%d\n",
1152 pixel_formats
[iPixelFormat
-1].fmt_id
, iPixelFormat
);
1153 return &pixel_formats
[iPixelFormat
-1];
1158 /* Mark any allocated context using the glx drawable 'old' to use 'new' */
1159 static void mark_drawable_dirty(Drawable old
, Drawable
new)
1161 struct wgl_context
*ctx
;
1163 LIST_FOR_EACH_ENTRY( ctx
, &context_list
, struct wgl_context
, entry
)
1165 if (old
== ctx
->drawables
[0]) {
1166 ctx
->drawables
[0] = new;
1167 ctx
->refresh_drawables
= TRUE
;
1169 if (old
== ctx
->drawables
[1]) {
1170 ctx
->drawables
[1] = new;
1171 ctx
->refresh_drawables
= TRUE
;
1176 /* Given the current context, make sure its drawable is sync'd */
1177 static inline void sync_context(struct wgl_context
*context
)
1179 if (context
->refresh_drawables
) {
1180 if (glxRequireVersion(3))
1181 pglXMakeContextCurrent(gdi_display
, context
->drawables
[0],
1182 context
->drawables
[1], context
->ctx
);
1184 pglXMakeCurrent(gdi_display
, context
->drawables
[0], context
->ctx
);
1185 context
->refresh_drawables
= FALSE
;
1189 static BOOL
set_swap_interval(Drawable drawable
, int interval
)
1193 switch (swap_control_method
)
1195 case GLX_SWAP_CONTROL_EXT
:
1196 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
1197 pglXSwapIntervalEXT(gdi_display
, drawable
, interval
);
1198 XSync(gdi_display
, False
);
1199 ret
= !X11DRV_check_error();
1202 case GLX_SWAP_CONTROL_MESA
:
1203 ret
= !pglXSwapIntervalMESA(interval
);
1206 case GLX_SWAP_CONTROL_SGI
:
1207 /* wglSwapIntervalEXT considers an interval value of zero to mean that
1208 * vsync should be disabled, but glXSwapIntervalSGI considers such a
1209 * value to be an error. Just silently ignore the request for now.
1212 WARN("Request to disable vertical sync is not handled\n");
1214 ret
= !pglXSwapIntervalSGI(interval
);
1217 case GLX_SWAP_CONTROL_NONE
:
1218 /* Unlikely to happen on modern GLX implementations */
1219 WARN("Request to adjust swap interval is not handled\n");
1226 static struct gl_drawable
*get_gl_drawable( HWND hwnd
, HDC hdc
)
1228 struct gl_drawable
*gl
;
1230 EnterCriticalSection( &context_section
);
1231 if (hwnd
&& !XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
)) return gl
;
1232 if (hdc
&& !XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
)) return gl
;
1233 LeaveCriticalSection( &context_section
);
1237 static void release_gl_drawable( struct gl_drawable
*gl
)
1239 if (gl
) LeaveCriticalSection( &context_section
);
1242 static GLXContext
create_glxcontext(Display
*display
, struct wgl_context
*context
, GLXContext shareList
)
1246 /* We use indirect rendering for rendering to bitmaps. See get_formats for a comment about this. */
1247 BOOL indirect
= !(context
->fmt
->dwFlags
& PFD_DRAW_TO_BITMAP
);
1249 if(context
->gl3_context
)
1251 if(context
->numAttribs
)
1252 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, indirect
, context
->attribList
);
1254 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, indirect
, NULL
);
1256 else if(context
->vis
)
1257 ctx
= pglXCreateContext(gdi_display
, context
->vis
, shareList
, indirect
);
1258 else /* Create a GLX Context for a pbuffer */
1259 ctx
= pglXCreateNewContext(gdi_display
, context
->fmt
->fbconfig
, context
->fmt
->render_type
, shareList
, TRUE
);
1265 /***********************************************************************
1268 static void free_gl_drawable( struct gl_drawable
*gl
)
1272 case DC_GL_CHILD_WIN
:
1273 XDestroyWindow( gdi_display
, gl
->drawable
);
1274 XFreeColormap( gdi_display
, gl
->colormap
);
1276 case DC_GL_PIXMAP_WIN
:
1277 pglXDestroyGLXPixmap( gdi_display
, gl
->drawable
);
1278 XFreePixmap( gdi_display
, gl
->pixmap
);
1283 if (gl
->visual
) XFree( gl
->visual
);
1284 HeapFree( GetProcessHeap(), 0, gl
);
1288 /***********************************************************************
1289 * create_gl_drawable
1291 static BOOL
create_gl_drawable( HWND hwnd
, struct gl_drawable
*gl
)
1295 if (GetAncestor( hwnd
, GA_PARENT
) == GetDesktopWindow()) /* top-level window */
1297 struct x11drv_win_data
*data
= get_win_data( hwnd
);
1301 gl
->type
= DC_GL_WINDOW
;
1302 gl
->drawable
= create_client_window( data
, gl
->visual
);
1303 release_win_data( data
);
1306 #ifdef SONAME_LIBXCOMPOSITE
1307 else if(usexcomposite
)
1309 static Window dummy_parent
;
1310 XSetWindowAttributes attrib
;
1312 attrib
.override_redirect
= True
;
1315 dummy_parent
= XCreateWindow( gdi_display
, root_window
, -1, -1, 1, 1, 0, default_visual
.depth
,
1316 InputOutput
, default_visual
.visual
, CWOverrideRedirect
, &attrib
);
1317 XMapWindow( gdi_display
, dummy_parent
);
1319 gl
->colormap
= XCreateColormap(gdi_display
, dummy_parent
, gl
->visual
->visual
,
1320 (gl
->visual
->class == PseudoColor
||
1321 gl
->visual
->class == GrayScale
||
1322 gl
->visual
->class == DirectColor
) ?
1323 AllocAll
: AllocNone
);
1324 attrib
.colormap
= gl
->colormap
;
1325 XInstallColormap(gdi_display
, attrib
.colormap
);
1327 gl
->type
= DC_GL_CHILD_WIN
;
1328 gl
->drawable
= XCreateWindow( gdi_display
, dummy_parent
, 0, 0,
1329 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1330 0, gl
->visual
->depth
, InputOutput
, gl
->visual
->visual
,
1331 CWColormap
| CWOverrideRedirect
, &attrib
);
1334 pXCompositeRedirectWindow(gdi_display
, gl
->drawable
, CompositeRedirectManual
);
1335 XMapWindow(gdi_display
, gl
->drawable
);
1337 else XFreeColormap( gdi_display
, gl
->colormap
);
1342 WARN("XComposite is not available, using GLXPixmap hack\n");
1344 gl
->type
= DC_GL_PIXMAP_WIN
;
1345 gl
->pixmap
= XCreatePixmap( gdi_display
, root_window
,
1346 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1347 gl
->visual
->depth
);
1350 gl
->drawable
= pglXCreateGLXPixmap( gdi_display
, gl
->visual
, gl
->pixmap
);
1351 if (!gl
->drawable
) XFreePixmap( gdi_display
, gl
->pixmap
);
1356 gl
->refresh_swap_interval
= TRUE
;
1357 return gl
->drawable
!= 0;
1361 /***********************************************************************
1364 static BOOL
set_win_format( HWND hwnd
, const struct wgl_pixel_format
*format
)
1366 struct gl_drawable
*gl
, *prev
;
1368 gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) );
1369 /* Default GLX and WGL swap interval is 1, but in case of glXSwapIntervalSGI
1370 * there is no way to query it, so we have to store it here.
1372 gl
->swap_interval
= 1;
1373 gl
->refresh_swap_interval
= TRUE
;
1374 gl
->format
= format
;
1375 gl
->visual
= pglXGetVisualFromFBConfig( gdi_display
, format
->fbconfig
);
1378 HeapFree( GetProcessHeap(), 0, gl
);
1382 GetClientRect( hwnd
, &gl
->rect
);
1383 gl
->rect
.right
= min( max( 1, gl
->rect
.right
), 65535 );
1384 gl
->rect
.bottom
= min( max( 1, gl
->rect
.bottom
), 65535 );
1386 if (!create_gl_drawable( hwnd
, gl
))
1388 XFree( gl
->visual
);
1389 HeapFree( GetProcessHeap(), 0, gl
);
1393 TRACE("created GL drawable %lx for win %p format %x\n", gl
->drawable
, hwnd
, format
->fmt_id
);
1395 XFlush( gdi_display
);
1397 EnterCriticalSection( &context_section
);
1398 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&prev
))
1400 gl
->swap_interval
= prev
->swap_interval
;
1401 free_gl_drawable( prev
);
1403 XSaveContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char *)gl
);
1404 LeaveCriticalSection( &context_section
);
1406 __wine_set_pixel_format( hwnd
, pixel_format_index( format
));
1411 static BOOL
set_pixel_format(HDC hdc
, int format
, BOOL allow_change
)
1413 const struct wgl_pixel_format
*fmt
;
1415 HWND hwnd
= WindowFromDC( hdc
);
1417 TRACE("(%p,%d)\n", hdc
, format
);
1419 if (!hwnd
|| hwnd
== GetDesktopWindow())
1421 WARN( "not a valid window DC %p/%p\n", hdc
, hwnd
);
1425 fmt
= get_pixel_format(gdi_display
, format
, FALSE
/* Offscreen */);
1428 ERR( "Invalid format %d\n", format
);
1432 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1433 if (!(value
& GLX_WINDOW_BIT
))
1435 WARN( "Pixel format %d is not compatible for window rendering\n", format
);
1441 struct gl_drawable
*gl
;
1442 if ((gl
= get_gl_drawable( hwnd
, hdc
)))
1444 int prev
= pixel_format_index( gl
->format
);
1445 release_gl_drawable( gl
);
1446 return prev
== format
; /* cannot change it if already set */
1450 if (TRACE_ON(wgl
)) {
1453 gl_test
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_FBCONFIG_ID
, &value
);
1455 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1457 TRACE(" FBConfig have :\n");
1458 TRACE(" - FBCONFIG_ID 0x%x\n", value
);
1459 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_VISUAL_ID
, &value
);
1460 TRACE(" - VISUAL_ID 0x%x\n", value
);
1461 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1462 TRACE(" - DRAWABLE_TYPE 0x%x\n", value
);
1466 return set_win_format( hwnd
, fmt
);
1470 /***********************************************************************
1473 void sync_gl_drawable( HWND hwnd
, const RECT
*visible_rect
, const RECT
*client_rect
)
1475 struct gl_drawable
*gl
;
1479 XWindowChanges changes
;
1481 changes
.width
= min( max( 1, client_rect
->right
- client_rect
->left
), 65535 );
1482 changes
.height
= min( max( 1, client_rect
->bottom
- client_rect
->top
), 65535 );
1484 if (!(gl
= get_gl_drawable( hwnd
, 0 ))) return;
1486 if (changes
.width
!= gl
->rect
.right
- gl
->rect
.left
) mask
|= CWWidth
;
1487 if (changes
.height
!= gl
->rect
.bottom
- gl
->rect
.top
) mask
|= CWHeight
;
1489 TRACE( "setting drawable %lx size %dx%d\n", gl
->drawable
, changes
.width
, changes
.height
);
1493 case DC_GL_CHILD_WIN
:
1494 if (mask
) XConfigureWindow( gdi_display
, gl
->drawable
, mask
, &changes
);
1496 case DC_GL_PIXMAP_WIN
:
1498 pix
= XCreatePixmap(gdi_display
, root_window
, changes
.width
, changes
.height
, gl
->visual
->depth
);
1499 if (!pix
) goto done
;
1500 glxp
= pglXCreateGLXPixmap(gdi_display
, gl
->visual
, pix
);
1503 XFreePixmap(gdi_display
, pix
);
1506 mark_drawable_dirty(gl
->drawable
, glxp
);
1507 XFlush( gdi_display
);
1509 XFreePixmap(gdi_display
, gl
->pixmap
);
1510 pglXDestroyGLXPixmap(gdi_display
, gl
->drawable
);
1511 TRACE( "Recreated GL drawable %lx to replace %lx\n", glxp
, gl
->drawable
);
1514 gl
->drawable
= glxp
;
1519 SetRect( &gl
->rect
, 0, 0, changes
.width
, changes
.height
);
1521 release_gl_drawable( gl
);
1525 /***********************************************************************
1526 * set_gl_drawable_parent
1528 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
1530 struct gl_drawable
*gl
;
1531 Drawable old_drawable
;
1533 if (!(gl
= get_gl_drawable( hwnd
, 0 ))) return;
1535 TRACE( "setting drawable %lx parent %p\n", gl
->drawable
, parent
);
1537 old_drawable
= gl
->drawable
;
1542 case DC_GL_CHILD_WIN
:
1543 if (parent
!= GetDesktopWindow()) goto done
;
1544 XDestroyWindow( gdi_display
, gl
->drawable
);
1545 XFreeColormap( gdi_display
, gl
->colormap
);
1547 case DC_GL_PIXMAP_WIN
:
1548 if (parent
!= GetDesktopWindow()) goto done
;
1549 pglXDestroyGLXPixmap( gdi_display
, gl
->drawable
);
1550 XFreePixmap( gdi_display
, gl
->pixmap
);
1556 if (!create_gl_drawable( hwnd
, gl
))
1558 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1559 release_gl_drawable( gl
);
1560 XFree( gl
->visual
);
1561 HeapFree( GetProcessHeap(), 0, gl
);
1562 __wine_set_pixel_format( hwnd
, 0 );
1565 mark_drawable_dirty( old_drawable
, gl
->drawable
);
1568 release_gl_drawable( gl
);
1573 /***********************************************************************
1574 * destroy_gl_drawable
1576 void destroy_gl_drawable( HWND hwnd
)
1578 struct gl_drawable
*gl
;
1580 EnterCriticalSection( &context_section
);
1581 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
))
1583 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1584 free_gl_drawable( gl
);
1586 LeaveCriticalSection( &context_section
);
1591 * glxdrv_DescribePixelFormat
1593 * Get the pixel-format descriptor associated to the given id
1595 static int glxdrv_wglDescribePixelFormat( HDC hdc
, int iPixelFormat
,
1596 UINT nBytes
, PIXELFORMATDESCRIPTOR
*ppfd
)
1598 /*XVisualInfo *vis;*/
1601 const struct wgl_pixel_format
*fmt
;
1603 if (!has_opengl()) return 0;
1605 TRACE("(%p,%d,%d,%p)\n", hdc
, iPixelFormat
, nBytes
, ppfd
);
1607 if (!ppfd
) return nb_onscreen_formats
;
1609 /* 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 */
1610 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, FALSE
/* Offscreen */);
1612 WARN("unexpected format %d\n", iPixelFormat
);
1616 if (nBytes
< sizeof(PIXELFORMATDESCRIPTOR
)) {
1617 ERR("Wrong structure size !\n");
1618 /* Should set error */
1622 memset(ppfd
, 0, sizeof(PIXELFORMATDESCRIPTOR
));
1623 ppfd
->nSize
= sizeof(PIXELFORMATDESCRIPTOR
);
1626 /* These flags are always the same... */
1627 ppfd
->dwFlags
= PFD_SUPPORT_OPENGL
;
1628 /* Now the flags extracted from the Visual */
1630 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1631 if(value
& GLX_WINDOW_BIT
)
1632 ppfd
->dwFlags
|= PFD_DRAW_TO_WINDOW
;
1634 /* On Windows bitmap rendering is only offered using the GDI Software renderer. We reserve some formats (see get_formats for more info)
1635 * for bitmap rendering since we require indirect rendering for this. Further pixel format logs of a GeforceFX, Geforce8800GT, Radeon HD3400 and a
1636 * 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
1637 * offered the GDI bit either. */
1638 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
);
1640 /* PFD_GENERIC_FORMAT - gdi software rendering
1641 * PFD_GENERIC_ACCELERATED - some parts are accelerated by a display driver (MCD e.g. 3dfx minigl)
1642 * none set - full hardware accelerated by a ICD
1644 * We only set PFD_GENERIC_FORMAT on bitmap formats (see get_formats) as that's what ATI and Nvidia Windows drivers do */
1645 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_GENERIC_FORMAT
| PFD_GENERIC_ACCELERATED
);
1647 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DOUBLEBUFFER
, &value
);
1649 ppfd
->dwFlags
|= PFD_DOUBLEBUFFER
;
1650 ppfd
->dwFlags
&= ~PFD_SUPPORT_GDI
;
1652 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STEREO
, &value
); if (value
) ppfd
->dwFlags
|= PFD_STEREO
;
1655 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RENDER_TYPE
, &value
);
1656 if (value
& GLX_RGBA_BIT
)
1657 ppfd
->iPixelType
= PFD_TYPE_RGBA
;
1659 ppfd
->iPixelType
= PFD_TYPE_COLORINDEX
;
1662 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BUFFER_SIZE
, &value
);
1663 ppfd
->cColorBits
= value
;
1665 /* Red, green, blue and alpha bits / shifts */
1666 if (ppfd
->iPixelType
== PFD_TYPE_RGBA
) {
1667 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RED_SIZE
, &rb
);
1668 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_GREEN_SIZE
, &gb
);
1669 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BLUE_SIZE
, &bb
);
1670 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ALPHA_SIZE
, &ab
);
1672 ppfd
->cRedBits
= rb
;
1673 ppfd
->cRedShift
= gb
+ bb
+ ab
;
1674 ppfd
->cBlueBits
= bb
;
1675 ppfd
->cBlueShift
= ab
;
1676 ppfd
->cGreenBits
= gb
;
1677 ppfd
->cGreenShift
= bb
+ ab
;
1678 ppfd
->cAlphaBits
= ab
;
1679 ppfd
->cAlphaShift
= 0;
1682 ppfd
->cRedShift
= 0;
1683 ppfd
->cBlueBits
= 0;
1684 ppfd
->cBlueShift
= 0;
1685 ppfd
->cGreenBits
= 0;
1686 ppfd
->cGreenShift
= 0;
1687 ppfd
->cAlphaBits
= 0;
1688 ppfd
->cAlphaShift
= 0;
1691 /* Accum RGBA bits */
1692 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &rb
);
1693 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &gb
);
1694 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &bb
);
1695 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &ab
);
1697 ppfd
->cAccumBits
= rb
+gb
+bb
+ab
;
1698 ppfd
->cAccumRedBits
= rb
;
1699 ppfd
->cAccumGreenBits
= gb
;
1700 ppfd
->cAccumBlueBits
= bb
;
1701 ppfd
->cAccumAlphaBits
= ab
;
1704 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_AUX_BUFFERS
, &value
);
1705 ppfd
->cAuxBuffers
= value
;
1708 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DEPTH_SIZE
, &value
);
1709 ppfd
->cDepthBits
= value
;
1712 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STENCIL_SIZE
, &value
);
1713 ppfd
->cStencilBits
= value
;
1715 ppfd
->iLayerType
= PFD_MAIN_PLANE
;
1717 if (TRACE_ON(wgl
)) {
1718 dump_PIXELFORMATDESCRIPTOR(ppfd
);
1721 return nb_onscreen_formats
;
1724 /***********************************************************************
1725 * glxdrv_wglGetPixelFormat
1727 static int glxdrv_wglGetPixelFormat( HDC hdc
)
1729 struct gl_drawable
*gl
;
1732 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1734 ret
= pixel_format_index( gl
->format
);
1735 /* Offscreen formats can't be used with traditional WGL calls.
1736 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1737 if (!is_onscreen_pixel_format( ret
)) ret
= 1;
1738 release_gl_drawable( gl
);
1740 TRACE( "%p -> %d\n", hdc
, ret
);
1744 /***********************************************************************
1745 * glxdrv_wglSetPixelFormat
1747 static BOOL
glxdrv_wglSetPixelFormat( HDC hdc
, int iPixelFormat
, const PIXELFORMATDESCRIPTOR
*ppfd
)
1749 return set_pixel_format(hdc
, iPixelFormat
, FALSE
);
1752 /***********************************************************************
1753 * glxdrv_wglCopyContext
1755 static BOOL
glxdrv_wglCopyContext(struct wgl_context
*src
, struct wgl_context
*dst
, UINT mask
)
1757 TRACE("%p -> %p mask %#x\n", src
, dst
, mask
);
1759 pglXCopyContext(gdi_display
, src
->ctx
, dst
->ctx
, mask
);
1761 /* As opposed to wglCopyContext, glXCopyContext doesn't return anything, so hopefully we passed */
1765 /***********************************************************************
1766 * glxdrv_wglCreateContext
1768 static struct wgl_context
*glxdrv_wglCreateContext( HDC hdc
)
1770 struct wgl_context
*ret
= NULL
;
1771 struct gl_drawable
*gl
;
1773 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1775 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1779 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
1782 ret
->fmt
= gl
->format
;
1783 ret
->vis
= pglXGetVisualFromFBConfig(gdi_display
, gl
->format
->fbconfig
);
1784 ret
->ctx
= create_glxcontext(gdi_display
, ret
, NULL
);
1785 list_add_head( &context_list
, &ret
->entry
);
1787 release_gl_drawable( gl
);
1788 TRACE( "%p -> %p\n", hdc
, ret
);
1792 /***********************************************************************
1793 * glxdrv_wglDeleteContext
1795 static void glxdrv_wglDeleteContext(struct wgl_context
*ctx
)
1797 TRACE("(%p)\n", ctx
);
1799 EnterCriticalSection( &context_section
);
1800 list_remove( &ctx
->entry
);
1801 LeaveCriticalSection( &context_section
);
1803 if (ctx
->ctx
) pglXDestroyContext( gdi_display
, ctx
->ctx
);
1804 if (ctx
->vis
) XFree( ctx
->vis
);
1805 HeapFree( GetProcessHeap(), 0, ctx
);
1808 /***********************************************************************
1809 * glxdrv_wglGetProcAddress
1811 static PROC
glxdrv_wglGetProcAddress(LPCSTR lpszProc
)
1813 if (!strncmp(lpszProc
, "wgl", 3)) return NULL
;
1814 return pglXGetProcAddressARB((const GLubyte
*)lpszProc
);
1817 /***********************************************************************
1818 * glxdrv_wglMakeCurrent
1820 static BOOL
glxdrv_wglMakeCurrent(HDC hdc
, struct wgl_context
*ctx
)
1823 struct gl_drawable
*gl
;
1825 TRACE("(%p,%p)\n", hdc
, ctx
);
1829 pglXMakeCurrent(gdi_display
, None
, NULL
);
1830 NtCurrentTeb()->glContext
= NULL
;
1834 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1836 if (ctx
->fmt
!= gl
->format
)
1838 WARN( "mismatched pixel format hdc %p %p ctx %p %p\n", hdc
, gl
->format
, ctx
, ctx
->fmt
);
1839 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1843 if (TRACE_ON(wgl
)) {
1844 describeContext(ctx
);
1845 TRACE("hdc %p drawable %lx fmt %p ctx %p\n", hdc
, gl
->drawable
, gl
->format
, ctx
->ctx
);
1848 ret
= pglXMakeCurrent(gdi_display
, gl
->drawable
, ctx
->ctx
);
1851 NtCurrentTeb()->glContext
= ctx
;
1852 ctx
->has_been_current
= TRUE
;
1854 ctx
->drawables
[0] = gl
->drawable
;
1855 ctx
->drawables
[1] = gl
->drawable
;
1856 ctx
->refresh_drawables
= FALSE
;
1860 SetLastError( ERROR_INVALID_HANDLE
);
1863 release_gl_drawable( gl
);
1864 TRACE( "%p,%p returning %d\n", hdc
, ctx
, ret
);
1868 /***********************************************************************
1869 * X11DRV_wglMakeContextCurrentARB
1871 static BOOL
X11DRV_wglMakeContextCurrentARB( HDC draw_hdc
, HDC read_hdc
, struct wgl_context
*ctx
)
1874 struct gl_drawable
*draw_gl
, *read_gl
= NULL
;
1876 TRACE("(%p,%p,%p)\n", draw_hdc
, read_hdc
, ctx
);
1880 pglXMakeCurrent(gdi_display
, None
, NULL
);
1881 NtCurrentTeb()->glContext
= NULL
;
1885 if (!pglXMakeContextCurrent
) return FALSE
;
1887 if ((draw_gl
= get_gl_drawable( WindowFromDC( draw_hdc
), draw_hdc
)))
1889 read_gl
= get_gl_drawable( WindowFromDC( read_hdc
), read_hdc
);
1890 ret
= pglXMakeContextCurrent(gdi_display
, draw_gl
->drawable
,
1891 read_gl
? read_gl
->drawable
: 0, ctx
->ctx
);
1894 ctx
->has_been_current
= TRUE
;
1895 ctx
->hdc
= draw_hdc
;
1896 ctx
->drawables
[0] = draw_gl
->drawable
;
1897 ctx
->drawables
[1] = read_gl
? read_gl
->drawable
: 0;
1898 ctx
->refresh_drawables
= FALSE
;
1899 NtCurrentTeb()->glContext
= ctx
;
1903 SetLastError( ERROR_INVALID_HANDLE
);
1905 release_gl_drawable( read_gl
);
1906 release_gl_drawable( draw_gl
);
1907 TRACE( "%p,%p,%p returning %d\n", draw_hdc
, read_hdc
, ctx
, ret
);
1911 /***********************************************************************
1912 * glxdrv_wglShareLists
1914 static BOOL
glxdrv_wglShareLists(struct wgl_context
*org
, struct wgl_context
*dest
)
1916 TRACE("(%p, %p)\n", org
, dest
);
1918 /* Sharing of display lists works differently in GLX and WGL. In case of GLX it is done
1919 * at context creation time but in case of WGL it is done using wglShareLists.
1920 * In the past we tried to emulate wglShareLists by delaying GLX context creation until
1921 * either a wglMakeCurrent or wglShareLists. This worked fine for most apps but it causes
1922 * issues for OpenGL 3 because there wglCreateContextAttribsARB can fail in a lot of cases,
1923 * so there delaying context creation doesn't work.
1925 * The new approach is to create a GLX context in wglCreateContext / wglCreateContextAttribsARB
1926 * and when a program requests sharing we recreate the destination context if it hasn't been made
1927 * current or when it hasn't shared display lists before.
1930 if((org
->has_been_current
&& dest
->has_been_current
) || dest
->has_been_current
)
1932 ERR("Could not share display lists, one of the contexts has been current already !\n");
1935 else if(dest
->sharing
)
1937 ERR("Could not share display lists because hglrc2 has already shared lists before\n");
1942 describeContext(org
);
1943 describeContext(dest
);
1945 /* Re-create the GLX context and share display lists */
1946 pglXDestroyContext(gdi_display
, dest
->ctx
);
1947 dest
->ctx
= create_glxcontext(gdi_display
, dest
, org
->ctx
);
1948 TRACE(" re-created an OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest
->ctx
, dest
, org
->ctx
);
1950 org
->sharing
= TRUE
;
1951 dest
->sharing
= TRUE
;
1957 static void wglFinish(void)
1959 struct x11drv_escape_flush_gl_drawable escape
;
1960 struct gl_drawable
*gl
;
1961 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1963 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1964 escape
.gl_drawable
= 0;
1966 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
1970 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1971 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->drawable
; break;
1975 release_gl_drawable( gl
);
1979 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
1982 static void wglFlush(void)
1984 struct x11drv_escape_flush_gl_drawable escape
;
1985 struct gl_drawable
*gl
;
1986 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1988 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1989 escape
.gl_drawable
= 0;
1991 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
1995 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1996 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->drawable
; break;
2000 release_gl_drawable( gl
);
2004 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2007 static const GLubyte
*wglGetString(GLenum name
)
2009 if (name
== GL_EXTENSIONS
&& WineGLInfo
.glExtensions
)
2010 return (const GLubyte
*)WineGLInfo
.glExtensions
;
2011 return pglGetString(name
);
2014 /***********************************************************************
2015 * X11DRV_wglCreateContextAttribsARB
2017 static struct wgl_context
*X11DRV_wglCreateContextAttribsARB( HDC hdc
, struct wgl_context
*hShareContext
,
2018 const int* attribList
)
2020 struct wgl_context
*ret
= NULL
;
2021 struct gl_drawable
*gl
;
2024 TRACE("(%p %p %p)\n", hdc
, hShareContext
, attribList
);
2026 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
2028 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
2032 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
2035 ret
->fmt
= gl
->format
;
2036 ret
->vis
= NULL
; /* glXCreateContextAttribsARB requires a fbconfig instead of a visual */
2037 ret
->gl3_context
= TRUE
;
2040 int *pContextAttribList
= &ret
->attribList
[0];
2041 /* attribList consists of pairs {token, value] terminated with 0 */
2042 while(attribList
[0] != 0)
2044 TRACE("%#x %#x\n", attribList
[0], attribList
[1]);
2045 switch(attribList
[0])
2047 case WGL_CONTEXT_MAJOR_VERSION_ARB
:
2048 pContextAttribList
[0] = GLX_CONTEXT_MAJOR_VERSION_ARB
;
2049 pContextAttribList
[1] = attribList
[1];
2050 pContextAttribList
+= 2;
2053 case WGL_CONTEXT_MINOR_VERSION_ARB
:
2054 pContextAttribList
[0] = GLX_CONTEXT_MINOR_VERSION_ARB
;
2055 pContextAttribList
[1] = attribList
[1];
2056 pContextAttribList
+= 2;
2059 case WGL_CONTEXT_LAYER_PLANE_ARB
:
2061 case WGL_CONTEXT_FLAGS_ARB
:
2062 pContextAttribList
[0] = GLX_CONTEXT_FLAGS_ARB
;
2063 pContextAttribList
[1] = attribList
[1];
2064 pContextAttribList
+= 2;
2067 case WGL_CONTEXT_PROFILE_MASK_ARB
:
2068 pContextAttribList
[0] = GLX_CONTEXT_PROFILE_MASK_ARB
;
2069 pContextAttribList
[1] = attribList
[1];
2070 pContextAttribList
+= 2;
2074 ERR("Unhandled attribList pair: %#x %#x\n", attribList
[0], attribList
[1]);
2080 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
2081 ret
->ctx
= create_glxcontext(gdi_display
, ret
, hShareContext
? hShareContext
->ctx
: NULL
);
2082 XSync(gdi_display
, False
);
2083 if ((err
= X11DRV_check_error()) || !ret
->ctx
)
2085 /* In the future we should convert the GLX error to a win32 one here if needed */
2086 ERR("Context creation failed (error %x)\n", err
);
2087 HeapFree( GetProcessHeap(), 0, ret
);
2090 else list_add_head( &context_list
, &ret
->entry
);
2093 release_gl_drawable( gl
);
2094 TRACE( "%p -> %p\n", hdc
, ret
);
2099 * X11DRV_wglGetExtensionsStringARB
2101 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
2103 static const char *X11DRV_wglGetExtensionsStringARB(HDC hdc
)
2105 TRACE("() returning \"%s\"\n", WineGLInfo
.wglExtensions
);
2106 return WineGLInfo
.wglExtensions
;
2110 * X11DRV_wglCreatePbufferARB
2112 * WGL_ARB_pbuffer: wglCreatePbufferARB
2114 static struct wgl_pbuffer
*X11DRV_wglCreatePbufferARB( HDC hdc
, int iPixelFormat
, int iWidth
, int iHeight
,
2115 const int *piAttribList
)
2117 struct wgl_pbuffer
* object
= NULL
;
2118 const struct wgl_pixel_format
*fmt
= NULL
;
2122 TRACE("(%p, %d, %d, %d, %p)\n", hdc
, iPixelFormat
, iWidth
, iHeight
, piAttribList
);
2124 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
2125 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2127 ERR("(%p): invalid pixel format %d\n", hdc
, iPixelFormat
);
2128 SetLastError(ERROR_INVALID_PIXEL_FORMAT
);
2132 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
2133 if (NULL
== object
) {
2134 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2137 object
->width
= iWidth
;
2138 object
->height
= iHeight
;
2141 PUSH2(attribs
, GLX_PBUFFER_WIDTH
, iWidth
);
2142 PUSH2(attribs
, GLX_PBUFFER_HEIGHT
, iHeight
);
2143 while (piAttribList
&& 0 != *piAttribList
) {
2145 switch (*piAttribList
) {
2146 case WGL_PBUFFER_LARGEST_ARB
: {
2148 attr_v
= *piAttribList
;
2149 TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v
);
2150 PUSH2(attribs
, GLX_LARGEST_PBUFFER
, attr_v
);
2154 case WGL_TEXTURE_FORMAT_ARB
: {
2156 attr_v
= *piAttribList
;
2157 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v
);
2158 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2159 object
->use_render_texture
= 0;
2161 if (!use_render_texture_emulation
) {
2162 SetLastError(ERROR_INVALID_DATA
);
2166 case WGL_TEXTURE_RGB_ARB
:
2167 object
->use_render_texture
= GL_RGB
;
2168 object
->texture_bpp
= 3;
2169 object
->texture_format
= GL_RGB
;
2170 object
->texture_type
= GL_UNSIGNED_BYTE
;
2172 case WGL_TEXTURE_RGBA_ARB
:
2173 object
->use_render_texture
= GL_RGBA
;
2174 object
->texture_bpp
= 4;
2175 object
->texture_format
= GL_RGBA
;
2176 object
->texture_type
= GL_UNSIGNED_BYTE
;
2179 /* WGL_FLOAT_COMPONENTS_NV */
2180 case WGL_TEXTURE_FLOAT_R_NV
:
2181 object
->use_render_texture
= GL_FLOAT_R_NV
;
2182 object
->texture_bpp
= 4;
2183 object
->texture_format
= GL_RED
;
2184 object
->texture_type
= GL_FLOAT
;
2186 case WGL_TEXTURE_FLOAT_RG_NV
:
2187 object
->use_render_texture
= GL_FLOAT_RG_NV
;
2188 object
->texture_bpp
= 8;
2189 object
->texture_format
= GL_LUMINANCE_ALPHA
;
2190 object
->texture_type
= GL_FLOAT
;
2192 case WGL_TEXTURE_FLOAT_RGB_NV
:
2193 object
->use_render_texture
= GL_FLOAT_RGB_NV
;
2194 object
->texture_bpp
= 12;
2195 object
->texture_format
= GL_RGB
;
2196 object
->texture_type
= GL_FLOAT
;
2198 case WGL_TEXTURE_FLOAT_RGBA_NV
:
2199 object
->use_render_texture
= GL_FLOAT_RGBA_NV
;
2200 object
->texture_bpp
= 16;
2201 object
->texture_format
= GL_RGBA
;
2202 object
->texture_type
= GL_FLOAT
;
2205 ERR("Unknown texture format: %x\n", attr_v
);
2206 SetLastError(ERROR_INVALID_DATA
);
2213 case WGL_TEXTURE_TARGET_ARB
: {
2215 attr_v
= *piAttribList
;
2216 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v
);
2217 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2218 object
->texture_target
= 0;
2220 if (!use_render_texture_emulation
) {
2221 SetLastError(ERROR_INVALID_DATA
);
2225 case WGL_TEXTURE_CUBE_MAP_ARB
: {
2226 if (iWidth
!= iHeight
) {
2227 SetLastError(ERROR_INVALID_DATA
);
2230 object
->texture_target
= GL_TEXTURE_CUBE_MAP
;
2231 object
->texture_bind_target
= GL_TEXTURE_BINDING_CUBE_MAP
;
2234 case WGL_TEXTURE_1D_ARB
: {
2236 SetLastError(ERROR_INVALID_DATA
);
2239 object
->texture_target
= GL_TEXTURE_1D
;
2240 object
->texture_bind_target
= GL_TEXTURE_BINDING_1D
;
2243 case WGL_TEXTURE_2D_ARB
: {
2244 object
->texture_target
= GL_TEXTURE_2D
;
2245 object
->texture_bind_target
= GL_TEXTURE_BINDING_2D
;
2248 case WGL_TEXTURE_RECTANGLE_NV
: {
2249 object
->texture_target
= GL_TEXTURE_RECTANGLE_NV
;
2250 object
->texture_bind_target
= GL_TEXTURE_BINDING_RECTANGLE_NV
;
2254 ERR("Unknown texture target: %x\n", attr_v
);
2255 SetLastError(ERROR_INVALID_DATA
);
2262 case WGL_MIPMAP_TEXTURE_ARB
: {
2264 attr_v
= *piAttribList
;
2265 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v
);
2266 if (!use_render_texture_emulation
) {
2267 SetLastError(ERROR_INVALID_DATA
);
2276 PUSH1(attribs
, None
);
2277 object
->drawable
= pglXCreatePbuffer(gdi_display
, fmt
->fbconfig
, attribs
);
2278 TRACE("new Pbuffer drawable as %lx\n", object
->drawable
);
2279 if (!object
->drawable
) {
2280 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2281 goto create_failed
; /* unexpected error */
2283 TRACE("->(%p)\n", object
);
2287 HeapFree(GetProcessHeap(), 0, object
);
2288 TRACE("->(FAILED)\n");
2293 * X11DRV_wglDestroyPbufferARB
2295 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2297 static BOOL
X11DRV_wglDestroyPbufferARB( struct wgl_pbuffer
*object
)
2299 TRACE("(%p)\n", object
);
2301 pglXDestroyPbuffer(gdi_display
, object
->drawable
);
2302 HeapFree(GetProcessHeap(), 0, object
);
2307 * X11DRV_wglGetPbufferDCARB
2309 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2311 static HDC
X11DRV_wglGetPbufferDCARB( struct wgl_pbuffer
*object
)
2313 struct x11drv_escape_set_drawable escape
;
2314 struct gl_drawable
*gl
, *prev
;
2317 hdc
= CreateDCA( "DISPLAY", NULL
, NULL
, NULL
);
2320 if (!(gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) )))
2325 gl
->type
= DC_GL_PBUFFER
;
2326 gl
->drawable
= object
->drawable
;
2327 gl
->format
= object
->fmt
;
2329 EnterCriticalSection( &context_section
);
2330 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&prev
))
2331 free_gl_drawable( prev
);
2332 XSaveContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char *)gl
);
2333 LeaveCriticalSection( &context_section
);
2335 escape
.code
= X11DRV_SET_DRAWABLE
;
2336 escape
.drawable
= object
->drawable
;
2337 escape
.mode
= IncludeInferiors
;
2338 SetRect( &escape
.dc_rect
, 0, 0, object
->width
, object
->height
);
2339 ExtEscape( hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2341 TRACE( "(%p)->(%p)\n", object
, hdc
);
2346 * X11DRV_wglQueryPbufferARB
2348 * WGL_ARB_pbuffer: wglQueryPbufferARB
2350 static BOOL
X11DRV_wglQueryPbufferARB( struct wgl_pbuffer
*object
, int iAttribute
, int *piValue
)
2352 TRACE("(%p, 0x%x, %p)\n", object
, iAttribute
, piValue
);
2354 switch (iAttribute
) {
2355 case WGL_PBUFFER_WIDTH_ARB
:
2356 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_WIDTH
, (unsigned int*) piValue
);
2358 case WGL_PBUFFER_HEIGHT_ARB
:
2359 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_HEIGHT
, (unsigned int*) piValue
);
2362 case WGL_PBUFFER_LOST_ARB
:
2363 /* GLX Pbuffers cannot be lost by default. We can support this by
2364 * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent
2365 * to receive pixel buffer clobber events, however that may or may
2366 * not give any benefit */
2367 *piValue
= GL_FALSE
;
2370 case WGL_TEXTURE_FORMAT_ARB
:
2371 if (!object
->use_render_texture
) {
2372 *piValue
= WGL_NO_TEXTURE_ARB
;
2374 if (!use_render_texture_emulation
) {
2375 SetLastError(ERROR_INVALID_HANDLE
);
2378 switch(object
->use_render_texture
) {
2380 *piValue
= WGL_TEXTURE_RGB_ARB
;
2383 *piValue
= WGL_TEXTURE_RGBA_ARB
;
2385 /* WGL_FLOAT_COMPONENTS_NV */
2387 *piValue
= WGL_TEXTURE_FLOAT_R_NV
;
2389 case GL_FLOAT_RG_NV
:
2390 *piValue
= WGL_TEXTURE_FLOAT_RG_NV
;
2392 case GL_FLOAT_RGB_NV
:
2393 *piValue
= WGL_TEXTURE_FLOAT_RGB_NV
;
2395 case GL_FLOAT_RGBA_NV
:
2396 *piValue
= WGL_TEXTURE_FLOAT_RGBA_NV
;
2399 ERR("Unknown texture format: %x\n", object
->use_render_texture
);
2404 case WGL_TEXTURE_TARGET_ARB
:
2405 if (!object
->texture_target
){
2406 *piValue
= WGL_NO_TEXTURE_ARB
;
2408 if (!use_render_texture_emulation
) {
2409 SetLastError(ERROR_INVALID_DATA
);
2412 switch (object
->texture_target
) {
2413 case GL_TEXTURE_1D
: *piValue
= WGL_TEXTURE_1D_ARB
; break;
2414 case GL_TEXTURE_2D
: *piValue
= WGL_TEXTURE_2D_ARB
; break;
2415 case GL_TEXTURE_CUBE_MAP
: *piValue
= WGL_TEXTURE_CUBE_MAP_ARB
; break;
2416 case GL_TEXTURE_RECTANGLE_NV
: *piValue
= WGL_TEXTURE_RECTANGLE_NV
; break;
2421 case WGL_MIPMAP_TEXTURE_ARB
:
2422 *piValue
= GL_FALSE
; /** don't support that */
2423 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute
);
2427 FIXME("unexpected attribute %x\n", iAttribute
);
2435 * X11DRV_wglReleasePbufferDCARB
2437 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2439 static int X11DRV_wglReleasePbufferDCARB( struct wgl_pbuffer
*object
, HDC hdc
)
2441 struct gl_drawable
*gl
;
2443 TRACE("(%p, %p)\n", object
, hdc
);
2445 EnterCriticalSection( &context_section
);
2447 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
))
2449 XDeleteContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
);
2450 free_gl_drawable( gl
);
2454 LeaveCriticalSection( &context_section
);
2456 return hdc
&& DeleteDC(hdc
);
2460 * X11DRV_wglSetPbufferAttribARB
2462 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2464 static BOOL
X11DRV_wglSetPbufferAttribARB( struct wgl_pbuffer
*object
, const int *piAttribList
)
2466 GLboolean ret
= GL_FALSE
;
2468 WARN("(%p, %p): alpha-testing, report any problem\n", object
, piAttribList
);
2470 if (!object
->use_render_texture
) {
2471 SetLastError(ERROR_INVALID_HANDLE
);
2474 if (use_render_texture_emulation
) {
2481 * X11DRV_wglChoosePixelFormatARB
2483 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2485 static BOOL
X11DRV_wglChoosePixelFormatARB( HDC hdc
, const int *piAttribIList
, const FLOAT
*pfAttribFList
,
2486 UINT nMaxFormats
, int *piFormats
, UINT
*nNumFormats
)
2490 GLXFBConfig
* cfgs
= NULL
;
2500 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc
, piAttribIList
, pfAttribFList
, nMaxFormats
, piFormats
, nNumFormats
);
2501 if (NULL
!= pfAttribFList
) {
2502 FIXME("unused pfAttribFList\n");
2505 nAttribs
= ConvertAttribWGLtoGLX(piAttribIList
, attribs
, NULL
);
2506 if (-1 == nAttribs
) {
2507 WARN("Cannot convert WGL to GLX attributes\n");
2510 PUSH1(attribs
, None
);
2512 /* There is no 1:1 mapping between GLX and WGL formats because we duplicate some GLX formats for bitmap rendering (see get_formats).
2513 * Flags like PFD_SUPPORT_GDI, PFD_DRAW_TO_BITMAP and others are a property of the pixel format. We don't query these attributes
2514 * using glXChooseFBConfig but we filter the result of glXChooseFBConfig later on.
2516 for(i
=0; piAttribIList
[i
] != 0; i
+=2)
2518 switch(piAttribIList
[i
])
2520 case WGL_DRAW_TO_BITMAP_ARB
:
2521 if(piAttribIList
[i
+1])
2522 dwFlags
|= PFD_DRAW_TO_BITMAP
;
2524 case WGL_ACCELERATION_ARB
:
2525 switch(piAttribIList
[i
+1])
2527 case WGL_NO_ACCELERATION_ARB
:
2528 dwFlags
|= PFD_GENERIC_FORMAT
;
2530 case WGL_GENERIC_ACCELERATION_ARB
:
2531 dwFlags
|= PFD_GENERIC_ACCELERATED
;
2533 case WGL_FULL_ACCELERATION_ARB
:
2538 case WGL_SUPPORT_GDI_ARB
:
2539 if(piAttribIList
[i
+1])
2540 dwFlags
|= PFD_SUPPORT_GDI
;
2545 /* Search for FB configurations matching the requirements in attribs */
2546 cfgs
= pglXChooseFBConfig(gdi_display
, DefaultScreen(gdi_display
), attribs
, &nCfgs
);
2548 WARN("Compatible Pixel Format not found\n");
2552 /* Loop through all matching formats and check if they are suitable.
2553 * Note that this function should at max return nMaxFormats different formats */
2554 for(run
=0; run
< 2; run
++)
2556 for (it
= 0; it
< nCfgs
&& pfmt_it
< nMaxFormats
; ++it
)
2558 if (pglXGetFBConfigAttrib(gdi_display
, cfgs
[it
], GLX_FBCONFIG_ID
, &fmt_id
))
2560 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2564 /* During the first run we only want onscreen formats and during the second only offscreen */
2565 start
= run
== 1 ? nb_onscreen_formats
: 0;
2566 end
= run
== 1 ? nb_pixel_formats
: nb_onscreen_formats
;
2568 for (i
= start
; i
< end
; i
++)
2570 if (pixel_formats
[i
].fmt_id
== fmt_id
&& (pixel_formats
[i
].dwFlags
& dwFlags
) == dwFlags
)
2572 piFormats
[pfmt_it
++] = i
+ 1;
2573 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n",
2574 it
+ 1, nCfgs
, fmt_id
, i
+ 1);
2581 *nNumFormats
= pfmt_it
;
2588 * X11DRV_wglGetPixelFormatAttribivARB
2590 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2592 static BOOL
X11DRV_wglGetPixelFormatAttribivARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2593 UINT nAttributes
, const int *piAttributes
, int *piValues
)
2596 const struct wgl_pixel_format
*fmt
= NULL
;
2601 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, piValues
);
2603 if (0 < iLayerPlane
) {
2604 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane
);
2608 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supported.
2609 * We don't have to fail yet as a program can specify an invalid iPixelFormat (lets say 0) if it wants to query
2610 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2611 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2613 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat
);
2616 for (i
= 0; i
< nAttributes
; ++i
) {
2617 const int curWGLAttr
= piAttributes
[i
];
2618 TRACE("pAttr[%d] = %x\n", i
, curWGLAttr
);
2620 switch (curWGLAttr
) {
2621 case WGL_NUMBER_PIXEL_FORMATS_ARB
:
2622 piValues
[i
] = nb_pixel_formats
;
2625 case WGL_SUPPORT_OPENGL_ARB
:
2626 piValues
[i
] = GL_TRUE
;
2629 case WGL_ACCELERATION_ARB
:
2630 curGLXAttr
= GLX_CONFIG_CAVEAT
;
2631 if (!fmt
) goto pix_error
;
2632 if(fmt
->dwFlags
& PFD_GENERIC_FORMAT
)
2633 piValues
[i
] = WGL_NO_ACCELERATION_ARB
;
2634 else if(fmt
->dwFlags
& PFD_GENERIC_ACCELERATED
)
2635 piValues
[i
] = WGL_GENERIC_ACCELERATION_ARB
;
2637 piValues
[i
] = WGL_FULL_ACCELERATION_ARB
;
2640 case WGL_TRANSPARENT_ARB
:
2641 curGLXAttr
= GLX_TRANSPARENT_TYPE
;
2642 if (!fmt
) goto pix_error
;
2643 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2644 if (hTest
) goto get_error
;
2645 piValues
[i
] = GL_FALSE
;
2646 if (GLX_NONE
!= tmp
) piValues
[i
] = GL_TRUE
;
2649 case WGL_PIXEL_TYPE_ARB
:
2650 curGLXAttr
= GLX_RENDER_TYPE
;
2651 if (!fmt
) goto pix_error
;
2652 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2653 if (hTest
) goto get_error
;
2654 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp
);
2655 if (tmp
& GLX_RGBA_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_ARB
; }
2656 else if (tmp
& GLX_COLOR_INDEX_BIT
) { piValues
[i
] = WGL_TYPE_COLORINDEX_ARB
; }
2657 else if (tmp
& GLX_RGBA_FLOAT_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2658 else if (tmp
& GLX_RGBA_FLOAT_ATI_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2659 else if (tmp
& GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
) { piValues
[i
] = WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
; }
2661 ERR("unexpected RenderType(%x)\n", tmp
);
2662 piValues
[i
] = WGL_TYPE_RGBA_ARB
;
2666 case WGL_COLOR_BITS_ARB
:
2667 curGLXAttr
= GLX_BUFFER_SIZE
;
2670 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
2671 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
2672 if (!use_render_texture_emulation
) {
2673 piValues
[i
] = GL_FALSE
;
2676 curGLXAttr
= GLX_RENDER_TYPE
;
2677 if (!fmt
) goto pix_error
;
2678 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2679 if (hTest
) goto get_error
;
2680 if (GLX_COLOR_INDEX_BIT
== tmp
) {
2681 piValues
[i
] = GL_FALSE
;
2684 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2685 if (hTest
) goto get_error
;
2686 piValues
[i
] = (tmp
& GLX_PBUFFER_BIT
) ? GL_TRUE
: GL_FALSE
;
2689 case WGL_BLUE_BITS_ARB
:
2690 curGLXAttr
= GLX_BLUE_SIZE
;
2692 case WGL_RED_BITS_ARB
:
2693 curGLXAttr
= GLX_RED_SIZE
;
2695 case WGL_GREEN_BITS_ARB
:
2696 curGLXAttr
= GLX_GREEN_SIZE
;
2698 case WGL_ALPHA_BITS_ARB
:
2699 curGLXAttr
= GLX_ALPHA_SIZE
;
2701 case WGL_DEPTH_BITS_ARB
:
2702 curGLXAttr
= GLX_DEPTH_SIZE
;
2704 case WGL_STENCIL_BITS_ARB
:
2705 curGLXAttr
= GLX_STENCIL_SIZE
;
2707 case WGL_DOUBLE_BUFFER_ARB
:
2708 curGLXAttr
= GLX_DOUBLEBUFFER
;
2710 case WGL_STEREO_ARB
:
2711 curGLXAttr
= GLX_STEREO
;
2713 case WGL_AUX_BUFFERS_ARB
:
2714 curGLXAttr
= GLX_AUX_BUFFERS
;
2717 case WGL_SUPPORT_GDI_ARB
:
2718 if (!fmt
) goto pix_error
;
2719 piValues
[i
] = (fmt
->dwFlags
& PFD_SUPPORT_GDI
) != 0;
2722 case WGL_DRAW_TO_BITMAP_ARB
:
2723 if (!fmt
) goto pix_error
;
2724 piValues
[i
] = (fmt
->dwFlags
& PFD_DRAW_TO_BITMAP
) != 0;
2727 case WGL_DRAW_TO_WINDOW_ARB
:
2728 case WGL_DRAW_TO_PBUFFER_ARB
:
2729 if (!fmt
) goto pix_error
;
2730 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2731 if (hTest
) goto get_error
;
2732 if((curWGLAttr
== WGL_DRAW_TO_WINDOW_ARB
&& (tmp
&GLX_WINDOW_BIT
)) ||
2733 (curWGLAttr
== WGL_DRAW_TO_PBUFFER_ARB
&& (tmp
&GLX_PBUFFER_BIT
)))
2734 piValues
[i
] = GL_TRUE
;
2736 piValues
[i
] = GL_FALSE
;
2739 case WGL_SWAP_METHOD_ARB
:
2740 /* For now return SWAP_EXCHANGE_ARB which is the best type of buffer switch available.
2741 * Later on we can also use GLX_OML_swap_method on drivers which support this. At this
2742 * point only ATI offers this.
2744 piValues
[i
] = WGL_SWAP_EXCHANGE_ARB
;
2747 case WGL_PBUFFER_LARGEST_ARB
:
2748 curGLXAttr
= GLX_LARGEST_PBUFFER
;
2751 case WGL_SAMPLE_BUFFERS_ARB
:
2752 curGLXAttr
= GLX_SAMPLE_BUFFERS_ARB
;
2755 case WGL_SAMPLES_ARB
:
2756 curGLXAttr
= GLX_SAMPLES_ARB
;
2759 case WGL_FLOAT_COMPONENTS_NV
:
2760 curGLXAttr
= GLX_FLOAT_COMPONENTS_NV
;
2763 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
2764 curGLXAttr
= GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
;
2767 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
2768 curGLXAttr
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
2771 case WGL_ACCUM_RED_BITS_ARB
:
2772 curGLXAttr
= GLX_ACCUM_RED_SIZE
;
2774 case WGL_ACCUM_GREEN_BITS_ARB
:
2775 curGLXAttr
= GLX_ACCUM_GREEN_SIZE
;
2777 case WGL_ACCUM_BLUE_BITS_ARB
:
2778 curGLXAttr
= GLX_ACCUM_BLUE_SIZE
;
2780 case WGL_ACCUM_ALPHA_BITS_ARB
:
2781 curGLXAttr
= GLX_ACCUM_ALPHA_SIZE
;
2783 case WGL_ACCUM_BITS_ARB
:
2784 if (!fmt
) goto pix_error
;
2785 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &tmp
);
2786 if (hTest
) goto get_error
;
2788 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &tmp
);
2789 if (hTest
) goto get_error
;
2791 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &tmp
);
2792 if (hTest
) goto get_error
;
2794 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &tmp
);
2795 if (hTest
) goto get_error
;
2800 FIXME("unsupported %x WGL Attribute\n", curWGLAttr
);
2803 /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
2804 * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
2805 * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
2807 * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
2808 * and check which options can work using iPixelFormat=0 and which not.
2809 * A problem would be that this function is an extension. This would
2810 * mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
2812 if (0 != curGLXAttr
&& iPixelFormat
!= 0) {
2813 if (!fmt
) goto pix_error
;
2814 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, piValues
+ i
);
2815 if (hTest
) goto get_error
;
2818 piValues
[i
] = GL_FALSE
;
2824 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc
, curGLXAttr
);
2828 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc
, iPixelFormat
, nb_pixel_formats
);
2833 * X11DRV_wglGetPixelFormatAttribfvARB
2835 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2837 static BOOL
X11DRV_wglGetPixelFormatAttribfvARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2838 UINT nAttributes
, const int *piAttributes
, FLOAT
*pfValues
)
2844 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, pfValues
);
2846 /* Allocate a temporary array to store integer values */
2847 attr
= HeapAlloc(GetProcessHeap(), 0, nAttributes
* sizeof(int));
2849 ERR("couldn't allocate %d array\n", nAttributes
);
2853 /* Piggy-back on wglGetPixelFormatAttribivARB */
2854 ret
= X11DRV_wglGetPixelFormatAttribivARB(hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, attr
);
2856 /* Convert integer values to float. Should also check for attributes
2857 that can give decimal values here */
2858 for (i
=0; i
<nAttributes
;i
++) {
2859 pfValues
[i
] = attr
[i
];
2863 HeapFree(GetProcessHeap(), 0, attr
);
2868 * X11DRV_wglBindTexImageARB
2870 * WGL_ARB_render_texture: wglBindTexImageARB
2872 static BOOL
X11DRV_wglBindTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2874 GLboolean ret
= GL_FALSE
;
2876 TRACE("(%p, %d)\n", object
, iBuffer
);
2878 if (!object
->use_render_texture
) {
2879 SetLastError(ERROR_INVALID_HANDLE
);
2883 if (use_render_texture_emulation
) {
2884 static BOOL initialized
= FALSE
;
2885 int prev_binded_texture
= 0;
2886 GLXContext prev_context
;
2887 Drawable prev_drawable
;
2888 GLXContext tmp_context
;
2890 prev_context
= pglXGetCurrentContext();
2891 prev_drawable
= pglXGetCurrentDrawable();
2893 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2894 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2895 isn't ideal performance wise but I wasn't able to get other ways working.
2898 initialized
= TRUE
; /* Only show the FIXME once for performance reasons */
2899 FIXME("partial stub!\n");
2902 TRACE("drawable=%lx, context=%p\n", object
->drawable
, prev_context
);
2903 tmp_context
= pglXCreateNewContext(gdi_display
, object
->fmt
->fbconfig
, object
->fmt
->render_type
, prev_context
, True
);
2905 opengl_funcs
.gl
.p_glGetIntegerv(object
->texture_bind_target
, &prev_binded_texture
);
2907 /* Switch to our pbuffer */
2908 pglXMakeCurrent(gdi_display
, object
->drawable
, tmp_context
);
2910 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2911 * After that upload the pbuffer texture data. */
2912 opengl_funcs
.gl
.p_glBindTexture(object
->texture_target
, prev_binded_texture
);
2913 opengl_funcs
.gl
.p_glCopyTexImage2D(object
->texture_target
, 0, object
->use_render_texture
, 0, 0, object
->width
, object
->height
, 0);
2915 /* Switch back to the original drawable and upload the pbuffer-texture */
2916 pglXMakeCurrent(gdi_display
, prev_drawable
, prev_context
);
2917 pglXDestroyContext(gdi_display
, tmp_context
);
2925 * X11DRV_wglReleaseTexImageARB
2927 * WGL_ARB_render_texture: wglReleaseTexImageARB
2929 static BOOL
X11DRV_wglReleaseTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2931 GLboolean ret
= GL_FALSE
;
2933 TRACE("(%p, %d)\n", object
, iBuffer
);
2935 if (!object
->use_render_texture
) {
2936 SetLastError(ERROR_INVALID_HANDLE
);
2939 if (use_render_texture_emulation
) {
2946 * X11DRV_wglGetExtensionsStringEXT
2948 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2950 static const char *X11DRV_wglGetExtensionsStringEXT(void)
2952 TRACE("() returning \"%s\"\n", WineGLInfo
.wglExtensions
);
2953 return WineGLInfo
.wglExtensions
;
2957 * X11DRV_wglGetSwapIntervalEXT
2959 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
2961 static int X11DRV_wglGetSwapIntervalEXT(void)
2963 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
2964 struct gl_drawable
*gl
;
2969 if (!(gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), ctx
->hdc
)))
2971 /* This can't happen because a current WGL context is required to get
2972 * here. Likely the application is buggy.
2974 WARN("No GL drawable found, returning swap interval 0\n");
2978 swap_interval
= gl
->swap_interval
;
2979 release_gl_drawable(gl
);
2981 return swap_interval
;
2985 * X11DRV_wglSwapIntervalEXT
2987 * WGL_EXT_swap_control: wglSwapIntervalEXT
2989 static BOOL
X11DRV_wglSwapIntervalEXT(int interval
)
2991 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
2992 struct gl_drawable
*gl
;
2995 TRACE("(%d)\n", interval
);
2997 /* Without WGL/GLX_EXT_swap_control_tear a negative interval
3000 if (interval
< 0 && !has_swap_control_tear
)
3002 SetLastError(ERROR_INVALID_DATA
);
3006 if (!(gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), ctx
->hdc
)))
3008 SetLastError(ERROR_DC_NOT_FOUND
);
3012 ret
= set_swap_interval(gl
->drawable
, interval
);
3013 gl
->refresh_swap_interval
= FALSE
;
3015 gl
->swap_interval
= interval
;
3017 SetLastError(ERROR_DC_NOT_FOUND
);
3019 release_gl_drawable(gl
);
3025 * X11DRV_wglSetPixelFormatWINE
3027 * WGL_WINE_pixel_format_passthrough: wglSetPixelFormatWINE
3028 * This is a WINE-specific wglSetPixelFormat which can set the pixel format multiple times.
3030 static BOOL
X11DRV_wglSetPixelFormatWINE(HDC hdc
, int format
)
3032 return set_pixel_format(hdc
, format
, TRUE
);
3036 * glxRequireVersion (internal)
3038 * Check if the supported GLX version matches requiredVersion.
3040 static BOOL
glxRequireVersion(int requiredVersion
)
3042 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
3043 if(requiredVersion
<= WineGLInfo
.glxVersion
[1])
3049 static void register_extension(const char *ext
)
3051 if (WineGLInfo
.wglExtensions
[0])
3052 strcat(WineGLInfo
.wglExtensions
, " ");
3053 strcat(WineGLInfo
.wglExtensions
, ext
);
3055 TRACE("'%s'\n", ext
);
3059 * X11DRV_WineGL_LoadExtensions
3061 static void X11DRV_WineGL_LoadExtensions(void)
3063 WineGLInfo
.wglExtensions
[0] = 0;
3065 /* ARB Extensions */
3067 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_create_context"))
3069 register_extension( "WGL_ARB_create_context" );
3070 opengl_funcs
.ext
.p_wglCreateContextAttribsARB
= X11DRV_wglCreateContextAttribsARB
;
3072 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_create_context_profile"))
3073 register_extension("WGL_ARB_create_context_profile");
3076 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_fbconfig_float"))
3078 register_extension("WGL_ARB_pixel_format_float");
3079 register_extension("WGL_ATI_pixel_format_float");
3082 register_extension( "WGL_ARB_extensions_string" );
3083 opengl_funcs
.ext
.p_wglGetExtensionsStringARB
= X11DRV_wglGetExtensionsStringARB
;
3085 if (glxRequireVersion(3))
3087 register_extension( "WGL_ARB_make_current_read" );
3088 opengl_funcs
.ext
.p_wglGetCurrentReadDCARB
= (void *)1; /* never called */
3089 opengl_funcs
.ext
.p_wglMakeContextCurrentARB
= X11DRV_wglMakeContextCurrentARB
;
3092 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_multisample")) register_extension( "WGL_ARB_multisample" );
3094 if (glxRequireVersion(3))
3096 register_extension( "WGL_ARB_pbuffer" );
3097 opengl_funcs
.ext
.p_wglCreatePbufferARB
= X11DRV_wglCreatePbufferARB
;
3098 opengl_funcs
.ext
.p_wglDestroyPbufferARB
= X11DRV_wglDestroyPbufferARB
;
3099 opengl_funcs
.ext
.p_wglGetPbufferDCARB
= X11DRV_wglGetPbufferDCARB
;
3100 opengl_funcs
.ext
.p_wglQueryPbufferARB
= X11DRV_wglQueryPbufferARB
;
3101 opengl_funcs
.ext
.p_wglReleasePbufferDCARB
= X11DRV_wglReleasePbufferDCARB
;
3102 opengl_funcs
.ext
.p_wglSetPbufferAttribARB
= X11DRV_wglSetPbufferAttribARB
;
3105 register_extension( "WGL_ARB_pixel_format" );
3106 opengl_funcs
.ext
.p_wglChoosePixelFormatARB
= X11DRV_wglChoosePixelFormatARB
;
3107 opengl_funcs
.ext
.p_wglGetPixelFormatAttribfvARB
= X11DRV_wglGetPixelFormatAttribfvARB
;
3108 opengl_funcs
.ext
.p_wglGetPixelFormatAttribivARB
= X11DRV_wglGetPixelFormatAttribivARB
;
3110 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
3111 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_render_texture") ||
3112 (glxRequireVersion(3) && use_render_texture_emulation
))
3114 register_extension( "WGL_ARB_render_texture" );
3115 opengl_funcs
.ext
.p_wglBindTexImageARB
= X11DRV_wglBindTexImageARB
;
3116 opengl_funcs
.ext
.p_wglReleaseTexImageARB
= X11DRV_wglReleaseTexImageARB
;
3118 /* The WGL version of GLX_NV_float_buffer requires render_texture */
3119 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_NV_float_buffer"))
3120 register_extension("WGL_NV_float_buffer");
3122 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
3123 if (has_extension(WineGLInfo
.glExtensions
, "GL_NV_texture_rectangle"))
3124 register_extension("WGL_NV_render_texture_rectangle");
3127 /* EXT Extensions */
3129 register_extension( "WGL_EXT_extensions_string" );
3130 opengl_funcs
.ext
.p_wglGetExtensionsStringEXT
= X11DRV_wglGetExtensionsStringEXT
;
3132 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
3133 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
3134 register_extension( "WGL_EXT_swap_control" );
3135 opengl_funcs
.ext
.p_wglSwapIntervalEXT
= X11DRV_wglSwapIntervalEXT
;
3136 opengl_funcs
.ext
.p_wglGetSwapIntervalEXT
= X11DRV_wglGetSwapIntervalEXT
;
3138 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_framebuffer_sRGB"))
3139 register_extension("WGL_EXT_framebuffer_sRGB");
3141 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_fbconfig_packed_float"))
3142 register_extension("WGL_EXT_pixel_format_packed_float");
3144 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_swap_control"))
3146 swap_control_method
= GLX_SWAP_CONTROL_EXT
;
3147 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_swap_control_tear"))
3149 register_extension("WGL_EXT_swap_control_tear");
3150 has_swap_control_tear
= TRUE
;
3153 else if (has_extension( WineGLInfo
.glxExtensions
, "GLX_MESA_swap_control"))
3155 swap_control_method
= GLX_SWAP_CONTROL_MESA
;
3157 else if (has_extension( WineGLInfo
.glxExtensions
, "GLX_SGI_swap_control"))
3159 swap_control_method
= GLX_SWAP_CONTROL_SGI
;
3162 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
3163 if (has_extension(WineGLInfo
.glExtensions
, "GL_NV_vertex_array_range"))
3165 register_extension( "WGL_NV_vertex_array_range" );
3166 opengl_funcs
.ext
.p_wglAllocateMemoryNV
= pglXAllocateMemoryNV
;
3167 opengl_funcs
.ext
.p_wglFreeMemoryNV
= pglXFreeMemoryNV
;
3170 /* WINE-specific WGL Extensions */
3172 /* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset).
3173 * The default wglSetPixelFormat doesn't allow this, so add our own which allows it.
3175 register_extension( "WGL_WINE_pixel_format_passthrough" );
3176 opengl_funcs
.ext
.p_wglSetPixelFormatWINE
= X11DRV_wglSetPixelFormatWINE
;
3181 * glxdrv_SwapBuffers
3183 * Swap the buffers of this DC
3185 static BOOL
glxdrv_wglSwapBuffers( HDC hdc
)
3187 struct x11drv_escape_flush_gl_drawable escape
;
3188 struct gl_drawable
*gl
;
3189 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
3191 TRACE("(%p)\n", hdc
);
3193 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
3194 escape
.gl_drawable
= 0;
3196 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
3198 SetLastError( ERROR_INVALID_HANDLE
);
3202 if (gl
->refresh_swap_interval
)
3204 set_swap_interval(gl
->drawable
, gl
->swap_interval
);
3205 gl
->refresh_swap_interval
= FALSE
;
3210 case DC_GL_PIXMAP_WIN
:
3211 if (ctx
) sync_context( ctx
);
3212 escape
.gl_drawable
= gl
->pixmap
;
3213 if (pglXCopySubBufferMESA
) {
3214 /* (glX)SwapBuffers has an implicit glFlush effect, however
3215 * GLX_MESA_copy_sub_buffer doesn't. Make sure GL is flushed before
3218 pglXCopySubBufferMESA( gdi_display
, gl
->drawable
, 0, 0,
3219 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
);
3222 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3224 case DC_GL_CHILD_WIN
:
3225 if (ctx
) sync_context( ctx
);
3226 escape
.gl_drawable
= gl
->drawable
;
3229 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3233 release_gl_drawable( gl
);
3235 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
3239 static struct opengl_funcs opengl_funcs
=
3242 glxdrv_wglCopyContext
, /* p_wglCopyContext */
3243 glxdrv_wglCreateContext
, /* p_wglCreateContext */
3244 glxdrv_wglDeleteContext
, /* p_wglDeleteContext */
3245 glxdrv_wglDescribePixelFormat
, /* p_wglDescribePixelFormat */
3246 glxdrv_wglGetPixelFormat
, /* p_wglGetPixelFormat */
3247 glxdrv_wglGetProcAddress
, /* p_wglGetProcAddress */
3248 glxdrv_wglMakeCurrent
, /* p_wglMakeCurrent */
3249 glxdrv_wglSetPixelFormat
, /* p_wglSetPixelFormat */
3250 glxdrv_wglShareLists
, /* p_wglShareLists */
3251 glxdrv_wglSwapBuffers
, /* p_wglSwapBuffers */
3255 struct opengl_funcs
*get_glx_driver( UINT version
)
3257 if (version
!= WINE_WGL_DRIVER_VERSION
)
3259 ERR( "version mismatch, opengl32 wants %u but driver has %u\n", version
, WINE_WGL_DRIVER_VERSION
);
3262 if (has_opengl()) return &opengl_funcs
;
3266 #else /* no OpenGL includes */
3268 struct opengl_funcs
*get_glx_driver( UINT version
)
3273 void sync_gl_drawable( HWND hwnd
, const RECT
*visible_rect
, const RECT
*client_rect
)
3277 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
3281 void destroy_gl_drawable( HWND hwnd
)
3285 #endif /* defined(SONAME_LIBGL) */