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"
48 WINE_DEFAULT_DEBUG_CHANNEL(wgl
);
49 WINE_DECLARE_DEBUG_CHANNEL(winediag
);
52 #include "wine/wgl_driver.h"
54 typedef struct __GLXcontextRec
*GLXContext
;
55 typedef struct __GLXFBConfigRec
*GLXFBConfig
;
56 typedef XID GLXPixmap
;
57 typedef XID GLXDrawable
;
58 typedef XID GLXFBConfigID
;
59 typedef XID GLXContextID
;
60 typedef XID GLXWindow
;
61 typedef XID GLXPbuffer
;
64 #define GLX_BUFFER_SIZE 2
67 #define GLX_DOUBLEBUFFER 5
69 #define GLX_AUX_BUFFERS 7
70 #define GLX_RED_SIZE 8
71 #define GLX_GREEN_SIZE 9
72 #define GLX_BLUE_SIZE 10
73 #define GLX_ALPHA_SIZE 11
74 #define GLX_DEPTH_SIZE 12
75 #define GLX_STENCIL_SIZE 13
76 #define GLX_ACCUM_RED_SIZE 14
77 #define GLX_ACCUM_GREEN_SIZE 15
78 #define GLX_ACCUM_BLUE_SIZE 16
79 #define GLX_ACCUM_ALPHA_SIZE 17
81 #define GLX_BAD_SCREEN 1
82 #define GLX_BAD_ATTRIBUTE 2
83 #define GLX_NO_EXTENSION 3
84 #define GLX_BAD_VISUAL 4
85 #define GLX_BAD_CONTEXT 5
86 #define GLX_BAD_VALUE 6
87 #define GLX_BAD_ENUM 7
91 #define GLX_EXTENSIONS 3
93 #define GLX_CONFIG_CAVEAT 0x20
94 #define GLX_DONT_CARE 0xFFFFFFFF
95 #define GLX_X_VISUAL_TYPE 0x22
96 #define GLX_TRANSPARENT_TYPE 0x23
97 #define GLX_TRANSPARENT_INDEX_VALUE 0x24
98 #define GLX_TRANSPARENT_RED_VALUE 0x25
99 #define GLX_TRANSPARENT_GREEN_VALUE 0x26
100 #define GLX_TRANSPARENT_BLUE_VALUE 0x27
101 #define GLX_TRANSPARENT_ALPHA_VALUE 0x28
102 #define GLX_WINDOW_BIT 0x00000001
103 #define GLX_PIXMAP_BIT 0x00000002
104 #define GLX_PBUFFER_BIT 0x00000004
105 #define GLX_AUX_BUFFERS_BIT 0x00000010
106 #define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
107 #define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
108 #define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
109 #define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
110 #define GLX_DEPTH_BUFFER_BIT 0x00000020
111 #define GLX_STENCIL_BUFFER_BIT 0x00000040
112 #define GLX_ACCUM_BUFFER_BIT 0x00000080
113 #define GLX_NONE 0x8000
114 #define GLX_SLOW_CONFIG 0x8001
115 #define GLX_TRUE_COLOR 0x8002
116 #define GLX_DIRECT_COLOR 0x8003
117 #define GLX_PSEUDO_COLOR 0x8004
118 #define GLX_STATIC_COLOR 0x8005
119 #define GLX_GRAY_SCALE 0x8006
120 #define GLX_STATIC_GRAY 0x8007
121 #define GLX_TRANSPARENT_RGB 0x8008
122 #define GLX_TRANSPARENT_INDEX 0x8009
123 #define GLX_VISUAL_ID 0x800B
124 #define GLX_SCREEN 0x800C
125 #define GLX_NON_CONFORMANT_CONFIG 0x800D
126 #define GLX_DRAWABLE_TYPE 0x8010
127 #define GLX_RENDER_TYPE 0x8011
128 #define GLX_X_RENDERABLE 0x8012
129 #define GLX_FBCONFIG_ID 0x8013
130 #define GLX_RGBA_TYPE 0x8014
131 #define GLX_COLOR_INDEX_TYPE 0x8015
132 #define GLX_MAX_PBUFFER_WIDTH 0x8016
133 #define GLX_MAX_PBUFFER_HEIGHT 0x8017
134 #define GLX_MAX_PBUFFER_PIXELS 0x8018
135 #define GLX_PRESERVED_CONTENTS 0x801B
136 #define GLX_LARGEST_PBUFFER 0x801C
137 #define GLX_WIDTH 0x801D
138 #define GLX_HEIGHT 0x801E
139 #define GLX_EVENT_MASK 0x801F
140 #define GLX_DAMAGED 0x8020
141 #define GLX_SAVED 0x8021
142 #define GLX_WINDOW 0x8022
143 #define GLX_PBUFFER 0x8023
144 #define GLX_PBUFFER_HEIGHT 0x8040
145 #define GLX_PBUFFER_WIDTH 0x8041
146 #define GLX_SWAP_METHOD_OML 0x8060
147 #define GLX_SWAP_EXCHANGE_OML 0x8061
148 #define GLX_SWAP_COPY_OML 0x8062
149 #define GLX_SWAP_UNDEFINED_OML 0x8063
150 #define GLX_RGBA_BIT 0x00000001
151 #define GLX_COLOR_INDEX_BIT 0x00000002
152 #define GLX_PBUFFER_CLOBBER_MASK 0x08000000
154 /** GLX_ARB_multisample */
155 #define GLX_SAMPLE_BUFFERS_ARB 100000
156 #define GLX_SAMPLES_ARB 100001
157 /** GLX_ARB_framebuffer_sRGB */
158 #define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
159 /** GLX_EXT_fbconfig_packed_float */
160 #define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
161 #define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008
162 /** GLX_ARB_create_context */
163 #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
164 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
165 #define GLX_CONTEXT_FLAGS_ARB 0x2094
166 /** GLX_ARB_create_context_no_error */
167 #define GLX_CONTEXT_OPENGL_NO_ERROR_ARB 0x31B3
168 /** GLX_ARB_create_context_profile */
169 #define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
170 /** GLX_ATI_pixel_format_float */
171 #define GLX_RGBA_FLOAT_ATI_BIT 0x00000100
172 /** GLX_ARB_pixel_format_float */
173 #define GLX_RGBA_FLOAT_BIT 0x00000004
174 #define GLX_RGBA_FLOAT_TYPE 0x20B9
175 /** GLX_MESA_query_renderer */
176 #define GLX_RENDERER_ID_MESA 0x818E
177 /** GLX_NV_float_buffer */
178 #define GLX_FLOAT_COMPONENTS_NV 0x20B0
181 static char *glExtensions
;
182 static const char *glxExtensions
;
183 static char wglExtensions
[4096];
184 static int glxVersion
[2];
185 static int glx_opcode
;
187 struct wgl_pixel_format
189 GLXFBConfig fbconfig
;
193 DWORD dwFlags
; /* We store some PFD_* flags in here for emulated bitmap formats */
199 BOOL has_been_current
;
202 const struct wgl_pixel_format
*fmt
;
203 int numAttribs
; /* This is needed for delaying wglCreateContextAttribsARB */
204 int attribList
[16]; /* This is needed for delaying wglCreateContextAttribsARB */
206 struct gl_drawable
*drawables
[2];
207 struct gl_drawable
*new_drawables
[2];
208 BOOL refresh_drawables
;
215 const struct wgl_pixel_format
* fmt
;
219 int use_render_texture
; /* This is also the internal texture format */
220 int texture_bind_target
;
222 GLint texture_format
;
223 GLuint texture_target
;
227 GLXContext tmp_context
;
228 GLXContext prev_context
;
234 DC_GL_NONE
, /* no GL support (pixel format not set yet) */
235 DC_GL_WINDOW
, /* normal top-level window */
236 DC_GL_CHILD_WIN
, /* child window using XComposite */
237 DC_GL_PIXMAP_WIN
, /* child window using intermediate pixmap */
238 DC_GL_PBUFFER
/* pseudo memory DC using a PBuffer */
243 LONG ref
; /* reference count */
244 enum dc_gl_type type
; /* type of GL surface */
245 GLXDrawable drawable
; /* drawable for rendering with GL */
246 Window window
; /* window if drawable is a GLXWindow */
247 Pixmap pixmap
; /* base pixmap if drawable is a GLXPixmap */
248 const struct wgl_pixel_format
*format
; /* pixel format for the drawable */
249 SIZE pixmap_size
; /* pixmap size for GLXPixmap drawables */
251 BOOL refresh_swap_interval
;
254 enum glx_swap_control_method
256 GLX_SWAP_CONTROL_NONE
,
257 GLX_SWAP_CONTROL_EXT
,
258 GLX_SWAP_CONTROL_SGI
,
259 GLX_SWAP_CONTROL_MESA
262 /* X context to associate a struct gl_drawable to an hwnd */
263 static XContext gl_hwnd_context
;
264 /* X context to associate a struct gl_drawable to a pbuffer hdc */
265 static XContext gl_pbuffer_context
;
267 static struct list context_list
= LIST_INIT( context_list
);
268 static struct list pbuffer_list
= LIST_INIT( pbuffer_list
);
269 static struct wgl_pixel_format
*pixel_formats
;
270 static int nb_pixel_formats
, nb_onscreen_formats
;
271 static BOOL use_render_texture_emulation
= TRUE
;
273 /* Selects the preferred GLX swap control method for use by wglSwapIntervalEXT */
274 static enum glx_swap_control_method swap_control_method
= GLX_SWAP_CONTROL_NONE
;
275 /* Set when GLX_EXT_swap_control_tear is supported, requires GLX_SWAP_CONTROL_EXT */
276 static BOOL has_swap_control_tear
= FALSE
;
277 static BOOL has_swap_method
= FALSE
;
279 static CRITICAL_SECTION context_section
;
280 static CRITICAL_SECTION_DEBUG critsect_debug
=
282 0, 0, &context_section
,
283 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
284 0, 0, { (DWORD_PTR
)(__FILE__
": context_section") }
286 static CRITICAL_SECTION context_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
288 static const BOOL is_win64
= sizeof(void *) > sizeof(int);
290 static struct opengl_funcs opengl_funcs
;
292 #define USE_GL_FUNC(name) #name,
293 static const char *opengl_func_names
[] = { ALL_WGL_FUNCS
};
296 static void X11DRV_WineGL_LoadExtensions(void);
297 static void init_pixel_formats( Display
*display
);
298 static BOOL
glxRequireVersion(int requiredVersion
);
300 static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR
*ppfd
) {
301 TRACE( "size %u version %u flags %u type %u color %u %u,%u,%u,%u "
302 "accum %u depth %u stencil %u aux %u ",
303 ppfd
->nSize
, ppfd
->nVersion
, ppfd
->dwFlags
, ppfd
->iPixelType
,
304 ppfd
->cColorBits
, ppfd
->cRedBits
, ppfd
->cGreenBits
, ppfd
->cBlueBits
, ppfd
->cAlphaBits
,
305 ppfd
->cAccumBits
, ppfd
->cDepthBits
, ppfd
->cStencilBits
, ppfd
->cAuxBuffers
);
306 #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
307 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DEPTH_DONTCARE
);
308 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER
);
309 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER_DONTCARE
);
310 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_WINDOW
);
311 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_BITMAP
);
312 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_ACCELERATED
);
313 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_FORMAT
);
314 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_PALETTE
);
315 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_SYSTEM_PALETTE
);
316 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO
);
317 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO_DONTCARE
);
318 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_GDI
);
319 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_OPENGL
);
320 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_COPY
);
321 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_EXCHANGE
);
322 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_LAYER_BUFFERS
);
323 /* PFD_SUPPORT_COMPOSITION is new in Vista, it is similar to composition
324 * under X e.g. COMPOSITE + GLX_EXT_TEXTURE_FROM_PIXMAP. */
325 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_COMPOSITION
);
330 #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0)
331 #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0)
334 static XVisualInfo
* (*pglXChooseVisual
)( Display
*dpy
, int screen
, int *attribList
);
335 static GLXContext (*pglXCreateContext
)( Display
*dpy
, XVisualInfo
*vis
, GLXContext shareList
, Bool direct
);
336 static void (*pglXDestroyContext
)( Display
*dpy
, GLXContext ctx
);
337 static Bool (*pglXMakeCurrent
)( Display
*dpy
, GLXDrawable drawable
, GLXContext ctx
);
338 static void (*pglXCopyContext
)( Display
*dpy
, GLXContext src
, GLXContext dst
, unsigned long mask
);
339 static void (*pglXSwapBuffers
)( Display
*dpy
, GLXDrawable drawable
);
340 static Bool (*pglXQueryVersion
)( Display
*dpy
, int *maj
, int *min
);
341 static Bool (*pglXIsDirect
)( Display
*dpy
, GLXContext ctx
);
342 static GLXContext (*pglXGetCurrentContext
)( void );
343 static GLXDrawable (*pglXGetCurrentDrawable
)( void );
346 static const char *(*pglXQueryExtensionsString
)( Display
*dpy
, int screen
);
347 static const char *(*pglXQueryServerString
)( Display
*dpy
, int screen
, int name
);
348 static const char *(*pglXGetClientString
)( Display
*dpy
, int name
);
351 static GLXFBConfig
*(*pglXChooseFBConfig
)( Display
*dpy
, int screen
, const int *attribList
, int *nitems
);
352 static int (*pglXGetFBConfigAttrib
)( Display
*dpy
, GLXFBConfig config
, int attribute
, int *value
);
353 static GLXFBConfig
*(*pglXGetFBConfigs
)( Display
*dpy
, int screen
, int *nelements
);
354 static XVisualInfo
*(*pglXGetVisualFromFBConfig
)( Display
*dpy
, GLXFBConfig config
);
355 static GLXPbuffer (*pglXCreatePbuffer
)( Display
*dpy
, GLXFBConfig config
, const int *attribList
);
356 static void (*pglXDestroyPbuffer
)( Display
*dpy
, GLXPbuffer pbuf
);
357 static void (*pglXQueryDrawable
)( Display
*dpy
, GLXDrawable draw
, int attribute
, unsigned int *value
);
358 static GLXContext (*pglXCreateNewContext
)( Display
*dpy
, GLXFBConfig config
, int renderType
, GLXContext shareList
, Bool direct
);
359 static Bool (*pglXMakeContextCurrent
)( Display
*dpy
, GLXDrawable draw
, GLXDrawable read
, GLXContext ctx
);
360 static GLXPixmap (*pglXCreatePixmap
)( Display
*dpy
, GLXFBConfig config
, Pixmap pixmap
, const int *attrib_list
);
361 static void (*pglXDestroyPixmap
)( Display
*dpy
, GLXPixmap pixmap
);
362 static GLXWindow (*pglXCreateWindow
)( Display
*dpy
, GLXFBConfig config
, Window win
, const int *attrib_list
);
363 static void (*pglXDestroyWindow
)( Display
*dpy
, GLXWindow win
);
366 static GLXContext (*pglXCreateContextAttribsARB
)(Display
*dpy
, GLXFBConfig config
, GLXContext share_context
, Bool direct
, const int *attrib_list
);
367 static void* (*pglXGetProcAddressARB
)(const GLubyte
*);
368 static void (*pglXSwapIntervalEXT
)(Display
*dpy
, GLXDrawable drawable
, int interval
);
369 static int (*pglXSwapIntervalSGI
)(int);
371 /* NV GLX Extension */
372 static void* (*pglXAllocateMemoryNV
)(GLsizei size
, GLfloat readfreq
, GLfloat writefreq
, GLfloat priority
);
373 static void (*pglXFreeMemoryNV
)(GLvoid
*pointer
);
375 /* MESA GLX Extensions */
376 static void (*pglXCopySubBufferMESA
)(Display
*dpy
, GLXDrawable drawable
, int x
, int y
, int width
, int height
);
377 static int (*pglXSwapIntervalMESA
)(unsigned int interval
);
378 static Bool (*pglXQueryCurrentRendererIntegerMESA
)(int attribute
, unsigned int *value
);
379 static const char *(*pglXQueryCurrentRendererStringMESA
)(int attribute
);
380 static Bool (*pglXQueryRendererIntegerMESA
)(Display
*dpy
, int screen
, int renderer
, int attribute
, unsigned int *value
);
381 static const char *(*pglXQueryRendererStringMESA
)(Display
*dpy
, int screen
, int renderer
, int attribute
);
383 /* OpenML GLX Extensions */
384 static Bool (*pglXWaitForSbcOML
)( Display
*dpy
, GLXDrawable drawable
,
385 INT64 target_sbc
, INT64
*ust
, INT64
*msc
, INT64
*sbc
);
386 static INT64 (*pglXSwapBuffersMscOML
)( Display
*dpy
, GLXDrawable drawable
,
387 INT64 target_msc
, INT64 divisor
, INT64 remainder
);
389 /* Standard OpenGL */
390 static void (*pglFinish
)(void);
391 static void (*pglFlush
)(void);
392 static const GLubyte
*(*pglGetString
)(GLenum name
);
394 static void wglFinish(void);
395 static void wglFlush(void);
396 static const GLubyte
*wglGetString(GLenum name
);
398 /* check if the extension is present in the list */
399 static BOOL
has_extension( const char *list
, const char *ext
)
401 size_t len
= strlen( ext
);
405 while (*list
== ' ') list
++;
406 if (!strncmp( list
, ext
, len
) && (!list
[len
] || list
[len
] == ' ')) return TRUE
;
407 list
= strchr( list
, ' ' );
412 static int GLXErrorHandler(Display
*dpy
, XErrorEvent
*event
, void *arg
)
414 /* In the future we might want to find the exact X or GLX error to report back to the app */
415 if (event
->request_code
!= glx_opcode
)
420 static BOOL
X11DRV_WineGL_InitOpenglInfo(void)
422 static const char legacy_extensions
[] = " WGL_EXT_extensions_string WGL_EXT_swap_control";
424 int screen
= DefaultScreen(gdi_display
);
425 Window win
= 0, root
= 0;
426 const char *gl_version
;
427 const char *gl_renderer
;
431 GLXContext ctx
= NULL
;
432 XSetWindowAttributes attr
;
434 int attribList
[] = {GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
436 attr
.override_redirect
= True
;
437 attr
.colormap
= None
;
438 attr
.border_pixel
= 0;
440 vis
= pglXChooseVisual(gdi_display
, screen
, attribList
);
443 WORD old_fs
= wine_get_fs();
444 /* Create a GLX Context. Without one we can't query GL information */
445 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
446 if (wine_get_fs() != old_fs
)
448 wine_set_fs( old_fs
);
449 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
450 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
454 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
459 root
= RootWindow( gdi_display
, vis
->screen
);
460 if (vis
->visual
!= DefaultVisual( gdi_display
, vis
->screen
))
461 attr
.colormap
= XCreateColormap( gdi_display
, root
, vis
->visual
, AllocNone
);
462 if ((win
= XCreateWindow( gdi_display
, root
, -1, -1, 1, 1, 0, vis
->depth
, InputOutput
,
463 vis
->visual
, CWBorderPixel
| CWOverrideRedirect
| CWColormap
, &attr
)))
464 XMapWindow( gdi_display
, win
);
468 if(pglXMakeCurrent(gdi_display
, win
, ctx
) == 0)
470 ERR_(winediag
)( "Unable to activate OpenGL context, most likely your %s OpenGL drivers haven't been "
471 "installed correctly\n", is_win64
? "64-bit" : "32-bit" );
474 gl_renderer
= (const char *)opengl_funcs
.gl
.p_glGetString(GL_RENDERER
);
475 gl_version
= (const char *)opengl_funcs
.gl
.p_glGetString(GL_VERSION
);
476 str
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_EXTENSIONS
);
477 glExtensions
= HeapAlloc(GetProcessHeap(), 0, strlen(str
)+sizeof(legacy_extensions
));
478 strcpy(glExtensions
, str
);
479 strcat(glExtensions
, legacy_extensions
);
481 /* Get the common GLX version supported by GLX client and server ( major/minor) */
482 pglXQueryVersion(gdi_display
, &glxVersion
[0], &glxVersion
[1]);
484 glxExtensions
= pglXQueryExtensionsString(gdi_display
, screen
);
485 glx_direct
= pglXIsDirect(gdi_display
, ctx
);
487 TRACE("GL version : %s.\n", gl_version
);
488 TRACE("GL renderer : %s.\n", gl_renderer
);
489 TRACE("GLX version : %d.%d.\n", glxVersion
[0], glxVersion
[1]);
490 TRACE("Server GLX version : %s.\n", pglXQueryServerString(gdi_display
, screen
, GLX_VERSION
));
491 TRACE("Server GLX vendor: : %s.\n", pglXQueryServerString(gdi_display
, screen
, GLX_VENDOR
));
492 TRACE("Client GLX version : %s.\n", pglXGetClientString(gdi_display
, GLX_VERSION
));
493 TRACE("Client GLX vendor: : %s.\n", pglXGetClientString(gdi_display
, GLX_VENDOR
));
494 TRACE("Direct rendering enabled: %s\n", glx_direct
? "True" : "False");
498 int fd
= ConnectionNumber(gdi_display
);
499 struct sockaddr_un uaddr
;
500 unsigned int uaddrlen
= sizeof(struct sockaddr_un
);
502 /* In general indirect rendering on a local X11 server indicates a driver problem.
503 * Detect a local X11 server by checking whether the X11 socket is a Unix socket.
505 if(!getsockname(fd
, (struct sockaddr
*)&uaddr
, &uaddrlen
) && uaddr
.sun_family
== AF_UNIX
)
506 ERR_(winediag
)("Direct rendering is disabled, most likely your %s OpenGL drivers "
507 "haven't been installed correctly (using GL renderer %s, version %s).\n",
508 is_win64
? "64-bit" : "32-bit", debugstr_a(gl_renderer
),
509 debugstr_a(gl_version
));
513 /* In general you would expect that if direct rendering is returned, that you receive hardware
514 * accelerated OpenGL rendering. The definition of direct rendering is that rendering is performed
515 * client side without sending all GL commands to X using the GLX protocol. When Mesa falls back to
516 * software rendering, it shows direct rendering.
518 * Depending on the cause of software rendering a different rendering string is shown. In case Mesa fails
519 * to load a DRI module 'Software Rasterizer' is returned. When Mesa is compiled as a OpenGL reference driver
520 * it shows 'Mesa X11'.
522 if(!strcmp(gl_renderer
, "Software Rasterizer") || !strcmp(gl_renderer
, "Mesa X11"))
523 ERR_(winediag
)("The Mesa OpenGL driver is using software rendering, most likely your %s OpenGL "
524 "drivers haven't been installed correctly (using GL renderer %s, version %s).\n",
525 is_win64
? "64-bit" : "32-bit", debugstr_a(gl_renderer
),
526 debugstr_a(gl_version
));
533 pglXMakeCurrent(gdi_display
, None
, NULL
);
534 pglXDestroyContext(gdi_display
, ctx
);
536 if (win
!= root
) XDestroyWindow( gdi_display
, win
);
537 if (attr
.colormap
) XFreeColormap( gdi_display
, attr
.colormap
);
538 if (!ret
) ERR(" couldn't initialize OpenGL, expect problems\n");
542 static void *opengl_handle
;
544 static BOOL WINAPI
init_opengl( INIT_ONCE
*once
, void *param
, void **context
)
547 int error_base
, event_base
;
550 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
551 and include all dependencies */
552 opengl_handle
= wine_dlopen(SONAME_LIBGL
, RTLD_NOW
|RTLD_GLOBAL
, buffer
, sizeof(buffer
));
553 if (opengl_handle
== NULL
)
555 ERR( "Failed to load libGL: %s\n", buffer
);
556 ERR( "OpenGL support is disabled.\n");
560 for (i
= 0; i
< ARRAY_SIZE( opengl_func_names
); i
++)
562 if (!(((void **)&opengl_funcs
.gl
)[i
] = wine_dlsym( opengl_handle
, opengl_func_names
[i
], NULL
, 0 )))
564 ERR( "%s not found in libGL, disabling OpenGL.\n", opengl_func_names
[i
] );
569 /* redirect some standard OpenGL functions */
570 #define REDIRECT(func) \
571 do { p##func = opengl_funcs.gl.p_##func; opengl_funcs.gl.p_##func = w##func; } while(0)
572 REDIRECT( glFinish
);
574 REDIRECT( glGetString
);
577 pglXGetProcAddressARB
= wine_dlsym(opengl_handle
, "glXGetProcAddressARB", NULL
, 0);
578 if (pglXGetProcAddressARB
== NULL
) {
579 ERR("Could not find glXGetProcAddressARB in libGL, disabling OpenGL.\n");
583 #define LOAD_FUNCPTR(f) do if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) \
585 ERR( "%s not found in libGL, disabling OpenGL.\n", #f ); \
590 LOAD_FUNCPTR(glXChooseVisual
);
591 LOAD_FUNCPTR(glXCopyContext
);
592 LOAD_FUNCPTR(glXCreateContext
);
593 LOAD_FUNCPTR(glXGetCurrentContext
);
594 LOAD_FUNCPTR(glXGetCurrentDrawable
);
595 LOAD_FUNCPTR(glXDestroyContext
);
596 LOAD_FUNCPTR(glXIsDirect
);
597 LOAD_FUNCPTR(glXMakeCurrent
);
598 LOAD_FUNCPTR(glXSwapBuffers
);
599 LOAD_FUNCPTR(glXQueryVersion
);
602 LOAD_FUNCPTR(glXGetClientString
);
603 LOAD_FUNCPTR(glXQueryExtensionsString
);
604 LOAD_FUNCPTR(glXQueryServerString
);
607 LOAD_FUNCPTR(glXCreatePbuffer
);
608 LOAD_FUNCPTR(glXCreateNewContext
);
609 LOAD_FUNCPTR(glXDestroyPbuffer
);
610 LOAD_FUNCPTR(glXMakeContextCurrent
);
611 LOAD_FUNCPTR(glXGetFBConfigs
);
612 LOAD_FUNCPTR(glXCreatePixmap
);
613 LOAD_FUNCPTR(glXDestroyPixmap
);
614 LOAD_FUNCPTR(glXCreateWindow
);
615 LOAD_FUNCPTR(glXDestroyWindow
);
618 /* It doesn't matter if these fail. They'll only be used if the driver reports
619 the associated extension is available (and if a driver reports the extension
620 is available but fails to provide the functions, it's quite broken) */
621 #define LOAD_FUNCPTR(f) p##f = pglXGetProcAddressARB((const GLubyte *)#f)
622 /* ARB GLX Extension */
623 LOAD_FUNCPTR(glXCreateContextAttribsARB
);
624 /* EXT GLX Extension */
625 LOAD_FUNCPTR(glXSwapIntervalEXT
);
626 /* MESA GLX Extension */
627 LOAD_FUNCPTR(glXSwapIntervalMESA
);
628 /* SGI GLX Extension */
629 LOAD_FUNCPTR(glXSwapIntervalSGI
);
630 /* NV GLX Extension */
631 LOAD_FUNCPTR(glXAllocateMemoryNV
);
632 LOAD_FUNCPTR(glXFreeMemoryNV
);
635 if(!X11DRV_WineGL_InitOpenglInfo()) goto failed
;
637 if (XQueryExtension( gdi_display
, "GLX", &glx_opcode
, &event_base
, &error_base
))
639 TRACE("GLX is up and running error_base = %d\n", error_base
);
641 ERR( "GLX extension is missing, disabling OpenGL.\n" );
644 gl_hwnd_context
= XUniqueContext();
645 gl_pbuffer_context
= XUniqueContext();
647 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
648 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
651 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
652 * depends on the reported GLX client / server version and on the client / server extension list.
653 * Those don't have to be the same.
655 * In general the server GLX information lists the capabilities in case of indirect rendering.
656 * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are
657 * available and in that case the client GLX informat can be used.
658 * OpenGL programs should use the 'intersection' of both sets of information which is advertised
659 * in the GLX version/extension list. When a program does this it works for certain for both
660 * direct and indirect rendering.
662 * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason
663 * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client
664 * extension list which causes this extension not to be listed. (Wine requires this extension).
665 * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among
666 * pbuffers is around.
668 * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect
669 * the ATI drivers and from then on use GLX client information for them.
672 if(glxRequireVersion(3)) {
673 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
674 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
675 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
676 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
677 } else if (has_extension( glxExtensions
, "GLX_SGIX_fbconfig")) {
678 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfigSGIX");
679 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttribSGIX");
680 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfigSGIX");
682 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
683 * enable this function when the Xserver understand GLX 1.3 or newer
685 pglXQueryDrawable
= NULL
;
686 } else if(strcmp("ATI", pglXGetClientString(gdi_display
, GLX_VENDOR
)) == 0) {
687 TRACE("Overriding ATI GLX capabilities!\n");
688 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
689 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
690 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
691 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
693 /* Use client GLX information in case of the ATI drivers. We override the
694 * capabilities over here and not somewhere else as ATI might better their
695 * life in the future. In case they release proper drivers this block of
696 * code won't be called. */
697 glxExtensions
= pglXGetClientString(gdi_display
, GLX_EXTENSIONS
);
699 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n",
700 pglXQueryServerString(gdi_display
, DefaultScreen(gdi_display
), GLX_VERSION
));
703 if (has_extension( glxExtensions
, "GLX_MESA_copy_sub_buffer")) {
704 pglXCopySubBufferMESA
= pglXGetProcAddressARB((const GLubyte
*) "glXCopySubBufferMESA");
707 if (has_extension( glxExtensions
, "GLX_MESA_query_renderer" ))
709 pglXQueryCurrentRendererIntegerMESA
= pglXGetProcAddressARB(
710 (const GLubyte
*)"glXQueryCurrentRendererIntegerMESA" );
711 pglXQueryCurrentRendererStringMESA
= pglXGetProcAddressARB(
712 (const GLubyte
*)"glXQueryCurrentRendererStringMESA" );
713 pglXQueryRendererIntegerMESA
= pglXGetProcAddressARB( (const GLubyte
*)"glXQueryRendererIntegerMESA" );
714 pglXQueryRendererStringMESA
= pglXGetProcAddressARB( (const GLubyte
*)"glXQueryRendererStringMESA" );
717 if (has_extension( glxExtensions
, "GLX_OML_sync_control" ))
719 pglXWaitForSbcOML
= pglXGetProcAddressARB( (const GLubyte
*)"glXWaitForSbcOML" );
720 pglXSwapBuffersMscOML
= pglXGetProcAddressARB( (const GLubyte
*)"glXSwapBuffersMscOML" );
723 X11DRV_WineGL_LoadExtensions();
724 init_pixel_formats( gdi_display
);
728 wine_dlclose(opengl_handle
, NULL
, 0);
729 opengl_handle
= NULL
;
733 static BOOL
has_opengl(void)
735 static INIT_ONCE init_once
= INIT_ONCE_STATIC_INIT
;
736 InitOnceExecuteOnce(&init_once
, init_opengl
, NULL
, NULL
);
737 return opengl_handle
!= NULL
;
740 static const char *debugstr_fbconfig( GLXFBConfig fbconfig
)
742 int id
, visual
, drawable
;
744 if (pglXGetFBConfigAttrib( gdi_display
, fbconfig
, GLX_FBCONFIG_ID
, &id
))
745 return "*** invalid fbconfig";
746 pglXGetFBConfigAttrib( gdi_display
, fbconfig
, GLX_VISUAL_ID
, &visual
);
747 pglXGetFBConfigAttrib( gdi_display
, fbconfig
, GLX_DRAWABLE_TYPE
, &drawable
);
748 return wine_dbg_sprintf( "fbconfig %#x visual id %#x drawable type %#x", id
, visual
, drawable
);
751 static int ConvertAttribWGLtoGLX(const int* iWGLAttr
, int* oGLXAttr
, struct wgl_pbuffer
* pbuf
) {
756 int nvfloatattrib
= GLX_DONT_CARE
;
757 int pixelattrib
= GLX_DONT_CARE
;
759 /* The list of WGL attributes is allowed to be NULL. We don't return here for NULL
760 * because we need to do fixups for GLX_DRAWABLE_TYPE/GLX_RENDER_TYPE/GLX_FLOAT_COMPONENTS_NV. */
761 while (iWGLAttr
&& 0 != iWGLAttr
[cur
]) {
762 TRACE("pAttr[%d] = %x\n", cur
, iWGLAttr
[cur
]);
764 switch (iWGLAttr
[cur
]) {
765 case WGL_AUX_BUFFERS_ARB
:
766 pop
= iWGLAttr
[++cur
];
767 PUSH2(oGLXAttr
, GLX_AUX_BUFFERS
, pop
);
768 TRACE("pAttr[%d] = GLX_AUX_BUFFERS: %d\n", cur
, pop
);
770 case WGL_COLOR_BITS_ARB
:
771 pop
= iWGLAttr
[++cur
];
772 PUSH2(oGLXAttr
, GLX_BUFFER_SIZE
, pop
);
773 TRACE("pAttr[%d] = GLX_BUFFER_SIZE: %d\n", cur
, pop
);
775 case WGL_BLUE_BITS_ARB
:
776 pop
= iWGLAttr
[++cur
];
777 PUSH2(oGLXAttr
, GLX_BLUE_SIZE
, pop
);
778 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur
, pop
);
780 case WGL_RED_BITS_ARB
:
781 pop
= iWGLAttr
[++cur
];
782 PUSH2(oGLXAttr
, GLX_RED_SIZE
, pop
);
783 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur
, pop
);
785 case WGL_GREEN_BITS_ARB
:
786 pop
= iWGLAttr
[++cur
];
787 PUSH2(oGLXAttr
, GLX_GREEN_SIZE
, pop
);
788 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur
, pop
);
790 case WGL_ALPHA_BITS_ARB
:
791 pop
= iWGLAttr
[++cur
];
792 PUSH2(oGLXAttr
, GLX_ALPHA_SIZE
, pop
);
793 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur
, pop
);
795 case WGL_DEPTH_BITS_ARB
:
796 pop
= iWGLAttr
[++cur
];
797 PUSH2(oGLXAttr
, GLX_DEPTH_SIZE
, pop
);
798 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur
, pop
);
800 case WGL_STENCIL_BITS_ARB
:
801 pop
= iWGLAttr
[++cur
];
802 PUSH2(oGLXAttr
, GLX_STENCIL_SIZE
, pop
);
803 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur
, pop
);
805 case WGL_DOUBLE_BUFFER_ARB
:
806 pop
= iWGLAttr
[++cur
];
807 PUSH2(oGLXAttr
, GLX_DOUBLEBUFFER
, pop
);
808 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur
, pop
);
811 pop
= iWGLAttr
[++cur
];
812 PUSH2(oGLXAttr
, GLX_STEREO
, pop
);
813 TRACE("pAttr[%d] = GLX_STEREO: %d\n", cur
, pop
);
816 case WGL_PIXEL_TYPE_ARB
:
817 pop
= iWGLAttr
[++cur
];
818 TRACE("pAttr[%d] = WGL_PIXEL_TYPE_ARB: %d\n", cur
, pop
);
820 case WGL_TYPE_COLORINDEX_ARB
: pixelattrib
= GLX_COLOR_INDEX_BIT
; break ;
821 case WGL_TYPE_RGBA_ARB
: pixelattrib
= GLX_RGBA_BIT
; break ;
822 /* 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 */
823 case WGL_TYPE_RGBA_FLOAT_ATI
: pixelattrib
= GLX_RGBA_FLOAT_BIT
; break ;
824 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
: pixelattrib
= GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
; break ;
826 ERR("unexpected PixelType(%x)\n", pop
);
831 case WGL_SUPPORT_GDI_ARB
:
832 /* This flag is set in a pixel format */
833 pop
= iWGLAttr
[++cur
];
834 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur
, pop
);
837 case WGL_DRAW_TO_BITMAP_ARB
:
838 /* This flag is set in a pixel format */
839 pop
= iWGLAttr
[++cur
];
840 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur
, pop
);
843 case WGL_DRAW_TO_WINDOW_ARB
:
844 pop
= iWGLAttr
[++cur
];
845 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur
, pop
);
846 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
848 drawattrib
|= GLX_WINDOW_BIT
;
852 case WGL_DRAW_TO_PBUFFER_ARB
:
853 pop
= iWGLAttr
[++cur
];
854 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur
, pop
);
855 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
857 drawattrib
|= GLX_PBUFFER_BIT
;
861 case WGL_ACCELERATION_ARB
:
862 /* This flag is set in a pixel format */
863 pop
= iWGLAttr
[++cur
];
864 TRACE("pAttr[%d] = WGL_ACCELERATION_ARB: %d\n", cur
, pop
);
867 case WGL_SUPPORT_OPENGL_ARB
:
868 pop
= iWGLAttr
[++cur
];
869 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
870 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur
, pop
);
873 case WGL_SWAP_METHOD_ARB
:
874 pop
= iWGLAttr
[++cur
];
875 TRACE("pAttr[%d] = WGL_SWAP_METHOD_ARB: %#x\n", cur
, pop
);
880 case WGL_SWAP_EXCHANGE_ARB
:
881 pop
= GLX_SWAP_EXCHANGE_OML
;
883 case WGL_SWAP_COPY_ARB
:
884 pop
= GLX_SWAP_COPY_OML
;
886 case WGL_SWAP_UNDEFINED_ARB
:
887 pop
= GLX_SWAP_UNDEFINED_OML
;
890 ERR("Unexpected swap method %#x.\n", pop
);
893 PUSH2(oGLXAttr
, GLX_SWAP_METHOD_OML
, pop
);
897 WARN("GLX_OML_swap_method not supported, ignoring attribute.\n");
901 case WGL_PBUFFER_LARGEST_ARB
:
902 pop
= iWGLAttr
[++cur
];
903 PUSH2(oGLXAttr
, GLX_LARGEST_PBUFFER
, pop
);
904 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur
, pop
);
907 case WGL_SAMPLE_BUFFERS_ARB
:
908 pop
= iWGLAttr
[++cur
];
909 PUSH2(oGLXAttr
, GLX_SAMPLE_BUFFERS_ARB
, pop
);
910 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur
, pop
);
913 case WGL_SAMPLES_ARB
:
914 pop
= iWGLAttr
[++cur
];
915 PUSH2(oGLXAttr
, GLX_SAMPLES_ARB
, pop
);
916 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur
, pop
);
919 case WGL_TEXTURE_FORMAT_ARB
:
920 case WGL_TEXTURE_TARGET_ARB
:
921 case WGL_MIPMAP_TEXTURE_ARB
:
922 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr
[cur
], iWGLAttr
[cur
+ 1]);
923 pop
= iWGLAttr
[++cur
];
925 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr
[cur
]);
927 if (!use_render_texture_emulation
) {
928 if (WGL_NO_TEXTURE_ARB
!= pop
) {
929 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr
[cur
]);
930 return -1; /** error: don't support it */
932 drawattrib
|= GLX_PBUFFER_BIT
;
936 case WGL_FLOAT_COMPONENTS_NV
:
937 nvfloatattrib
= iWGLAttr
[++cur
];
938 TRACE("pAttr[%d] = WGL_FLOAT_COMPONENTS_NV: %x\n", cur
, nvfloatattrib
);
940 case WGL_BIND_TO_TEXTURE_DEPTH_NV
:
941 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
942 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
943 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV
:
944 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV
:
945 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV
:
946 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV
:
947 pop
= iWGLAttr
[++cur
];
948 /** cannot be converted, see direct handling on
949 * - wglGetPixelFormatAttribivARB
950 * TODO: wglChoosePixelFormat
953 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
954 pop
= iWGLAttr
[++cur
];
955 PUSH2(oGLXAttr
, GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
, pop
);
956 TRACE("pAttr[%d] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT: %x\n", cur
, pop
);
959 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
960 pop
= iWGLAttr
[++cur
];
961 PUSH2(oGLXAttr
, GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
, pop
);
962 TRACE("pAttr[%d] = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT: %x\n", cur
, pop
);
965 FIXME("unsupported %x WGL Attribute\n", iWGLAttr
[cur
]);
972 /* By default glXChooseFBConfig defaults to GLX_WINDOW_BIT. wglChoosePixelFormatARB searches through
973 * all formats. Unless drawattrib is set to a non-zero value override it with GLX_DONT_CARE, so that
974 * pixmap and pbuffer formats appear as well. */
975 if (!drawattrib
) drawattrib
= GLX_DONT_CARE
;
976 PUSH2(oGLXAttr
, GLX_DRAWABLE_TYPE
, drawattrib
);
977 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib
);
979 /* By default glXChooseFBConfig uses GLX_RGBA_BIT as the default value. Since wglChoosePixelFormatARB
980 * searches in all formats we have to do the same. For this reason we set GLX_RENDER_TYPE to
981 * GLX_DONT_CARE unless it is overridden. */
982 PUSH2(oGLXAttr
, GLX_RENDER_TYPE
, pixelattrib
);
983 TRACE("pAttr[?] = GLX_RENDER_TYPE: %#x\n", pixelattrib
);
985 /* Set GLX_FLOAT_COMPONENTS_NV all the time */
986 if (has_extension(glxExtensions
, "GLX_NV_float_buffer")) {
987 PUSH2(oGLXAttr
, GLX_FLOAT_COMPONENTS_NV
, nvfloatattrib
);
988 TRACE("pAttr[?] = GLX_FLOAT_COMPONENTS_NV: %#x\n", nvfloatattrib
);
994 static int get_render_type_from_fbconfig(Display
*display
, GLXFBConfig fbconfig
)
996 int render_type
, render_type_bit
;
997 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_RENDER_TYPE
, &render_type_bit
);
998 switch(render_type_bit
)
1001 render_type
= GLX_RGBA_TYPE
;
1003 case GLX_COLOR_INDEX_BIT
:
1004 render_type
= GLX_COLOR_INDEX_TYPE
;
1006 case GLX_RGBA_FLOAT_BIT
:
1007 render_type
= GLX_RGBA_FLOAT_TYPE
;
1009 case GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
:
1010 render_type
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
1013 ERR("Unknown render_type: %x\n", render_type_bit
);
1019 /* Check whether a fbconfig is suitable for Windows-style bitmap rendering */
1020 static BOOL
check_fbconfig_bitmap_capability(Display
*display
, GLXFBConfig fbconfig
)
1023 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_DOUBLEBUFFER
, &dbuf
);
1024 pglXGetFBConfigAttrib(gdi_display
, fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1026 /* Windows only supports bitmap rendering on single buffered formats, further the fbconfig needs to have
1027 * the GLX_PIXMAP_BIT set. */
1028 return !dbuf
&& (value
& GLX_PIXMAP_BIT
);
1031 static void init_pixel_formats( Display
*display
)
1033 struct wgl_pixel_format
*list
;
1034 int size
= 0, onscreen_size
= 0;
1035 int fmt_id
, nCfgs
, i
, run
, bmp_formats
;
1037 XVisualInfo
*visinfo
;
1039 cfgs
= pglXGetFBConfigs(display
, DefaultScreen(display
), &nCfgs
);
1040 if (NULL
== cfgs
|| 0 == nCfgs
) {
1041 if(cfgs
!= NULL
) XFree(cfgs
);
1042 ERR("glXChooseFBConfig returns NULL\n");
1046 /* Bitmap rendering on Windows implies the use of the Microsoft GDI software renderer.
1047 * Further most GLX drivers only offer pixmap rendering using indirect rendering (except for modern drivers which support 'AIGLX' / composite).
1048 * Indirect rendering can indicate software rendering (on Nvidia it is hw accelerated)
1049 * Since bitmap rendering implies the use of software rendering we can safely use indirect rendering for bitmaps.
1051 * Below we count the number of formats which are suitable for bitmap rendering. Windows restricts bitmap rendering to single buffered formats.
1053 for(i
=0, bmp_formats
=0; i
<nCfgs
; i
++)
1055 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
1058 TRACE("Found %d bitmap capable fbconfigs\n", bmp_formats
);
1060 list
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (nCfgs
+ bmp_formats
) * sizeof(*list
));
1062 /* Fill the pixel format list. Put onscreen formats at the top and offscreen ones at the bottom.
1063 * Do this as GLX doesn't guarantee that the list is sorted */
1064 for(run
=0; run
< 2; run
++)
1066 for(i
=0; i
<nCfgs
; i
++) {
1067 pglXGetFBConfigAttrib(display
, cfgs
[i
], GLX_FBCONFIG_ID
, &fmt_id
);
1068 visinfo
= pglXGetVisualFromFBConfig(display
, cfgs
[i
]);
1070 /* The first run we only add onscreen formats (ones which have an associated X Visual).
1071 * The second run we only set offscreen formats. */
1074 /* We implement child window rendering using offscreen buffers (using composite or an XPixmap).
1075 * The contents is copied to the destination using XCopyArea. For the copying to work
1076 * the depth of the source and destination window should be the same. In general this should
1077 * not be a problem for OpenGL as drivers only advertise formats with a similar depth (or no depth).
1078 * As of the introduction of composition managers at least Nvidia now also offers ARGB visuals
1079 * with a depth of 32 in addition to the default 24 bit. In order to prevent BadMatch errors we only
1080 * list formats with the same depth. */
1081 if(visinfo
->depth
!= default_visual
.depth
)
1087 TRACE("Found onscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1088 list
[size
].fbconfig
= cfgs
[i
];
1089 list
[size
].visual
= visinfo
;
1090 list
[size
].fmt_id
= fmt_id
;
1091 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1092 list
[size
].dwFlags
= 0;
1096 /* Clone a format if it is bitmap capable for indirect rendering to bitmaps */
1097 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
1099 TRACE("Found bitmap capable format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1100 list
[size
].fbconfig
= cfgs
[i
];
1101 list
[size
].visual
= visinfo
;
1102 list
[size
].fmt_id
= fmt_id
;
1103 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1104 list
[size
].dwFlags
= PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
| PFD_GENERIC_FORMAT
;
1108 } else if(run
&& !visinfo
) {
1109 int window_drawable
=0;
1110 pglXGetFBConfigAttrib(gdi_display
, cfgs
[i
], GLX_DRAWABLE_TYPE
, &window_drawable
);
1112 /* Recent Nvidia drivers and DRI drivers offer window drawable formats without a visual.
1113 * This are formats like 16-bit rgb on a 24-bit desktop. In order to support these formats
1114 * onscreen we would have to use glXCreateWindow instead of XCreateWindow. Further it will
1115 * likely make our child window opengl rendering more complicated since likely you can't use
1116 * XCopyArea on a GLX Window.
1117 * For now ignore fbconfigs which are window drawable but lack a visual. */
1118 if(window_drawable
& GLX_WINDOW_BIT
)
1120 TRACE("Skipping FBCONFIG_ID 0x%x as an offscreen format because it is window_drawable\n", fmt_id
);
1124 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1125 list
[size
].fbconfig
= cfgs
[i
];
1126 list
[size
].fmt_id
= fmt_id
;
1127 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1128 list
[size
].dwFlags
= 0;
1131 else if (visinfo
) XFree(visinfo
);
1137 pixel_formats
= list
;
1138 nb_pixel_formats
= size
;
1139 nb_onscreen_formats
= onscreen_size
;
1142 static inline BOOL
is_valid_pixel_format( int format
)
1144 return format
> 0 && format
<= nb_pixel_formats
;
1147 static inline BOOL
is_onscreen_pixel_format( int format
)
1149 return format
> 0 && format
<= nb_onscreen_formats
;
1152 static inline int pixel_format_index( const struct wgl_pixel_format
*format
)
1154 return format
- pixel_formats
+ 1;
1157 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
1158 * In our WGL implementation we only support a subset of these formats namely the format of
1159 * Wine's main visual and offscreen formats (if they are available).
1160 * This function converts a WGL format to its corresponding GLX one.
1162 static const struct wgl_pixel_format
*get_pixel_format(Display
*display
, int iPixelFormat
, BOOL AllowOffscreen
)
1164 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
1165 * iPixelFormat in case of probing the number of pixelformats.
1167 if (is_valid_pixel_format( iPixelFormat
) &&
1168 (is_onscreen_pixel_format( iPixelFormat
) || AllowOffscreen
)) {
1169 TRACE("Returning fmt_id=%#x for iPixelFormat=%d\n",
1170 pixel_formats
[iPixelFormat
-1].fmt_id
, iPixelFormat
);
1171 return &pixel_formats
[iPixelFormat
-1];
1176 static struct gl_drawable
*grab_gl_drawable( struct gl_drawable
*gl
)
1178 InterlockedIncrement( &gl
->ref
);
1182 static void release_gl_drawable( struct gl_drawable
*gl
)
1185 if (InterlockedDecrement( &gl
->ref
)) return;
1189 case DC_GL_CHILD_WIN
:
1190 TRACE( "destroying %lx drawable %lx\n", gl
->window
, gl
->drawable
);
1191 pglXDestroyWindow( gdi_display
, gl
->drawable
);
1192 XDestroyWindow( gdi_display
, gl
->window
);
1194 case DC_GL_PIXMAP_WIN
:
1195 TRACE( "destroying pixmap %lx drawable %lx\n", gl
->pixmap
, gl
->drawable
);
1196 pglXDestroyPixmap( gdi_display
, gl
->drawable
);
1197 XFreePixmap( gdi_display
, gl
->pixmap
);
1202 HeapFree( GetProcessHeap(), 0, gl
);
1205 /* Mark any allocated context using the glx drawable 'old' to use 'new' */
1206 static void mark_drawable_dirty( struct gl_drawable
*old
, struct gl_drawable
*new )
1208 struct wgl_context
*ctx
;
1210 EnterCriticalSection( &context_section
);
1211 LIST_FOR_EACH_ENTRY( ctx
, &context_list
, struct wgl_context
, entry
)
1213 if (old
== ctx
->drawables
[0] || old
== ctx
->new_drawables
[0])
1215 release_gl_drawable( ctx
->new_drawables
[0] );
1216 ctx
->new_drawables
[0] = grab_gl_drawable( new );
1218 if (old
== ctx
->drawables
[1] || old
== ctx
->new_drawables
[1])
1220 release_gl_drawable( ctx
->new_drawables
[1] );
1221 ctx
->new_drawables
[1] = grab_gl_drawable( new );
1224 LeaveCriticalSection( &context_section
);
1227 /* Given the current context, make sure its drawable is sync'd */
1228 static inline void sync_context(struct wgl_context
*context
)
1230 BOOL refresh
= FALSE
;
1232 EnterCriticalSection( &context_section
);
1233 if (context
->new_drawables
[0])
1235 release_gl_drawable( context
->drawables
[0] );
1236 context
->drawables
[0] = context
->new_drawables
[0];
1237 context
->new_drawables
[0] = NULL
;
1240 if (context
->new_drawables
[1])
1242 release_gl_drawable( context
->drawables
[1] );
1243 context
->drawables
[1] = context
->new_drawables
[1];
1244 context
->new_drawables
[1] = NULL
;
1249 if (glxRequireVersion(3))
1250 pglXMakeContextCurrent(gdi_display
, context
->drawables
[0]->drawable
,
1251 context
->drawables
[1]->drawable
, context
->ctx
);
1253 pglXMakeCurrent(gdi_display
, context
->drawables
[0]->drawable
, context
->ctx
);
1255 LeaveCriticalSection( &context_section
);
1258 static BOOL
set_swap_interval(GLXDrawable drawable
, int interval
)
1262 switch (swap_control_method
)
1264 case GLX_SWAP_CONTROL_EXT
:
1265 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
1266 pglXSwapIntervalEXT(gdi_display
, drawable
, interval
);
1267 XSync(gdi_display
, False
);
1268 ret
= !X11DRV_check_error();
1271 case GLX_SWAP_CONTROL_MESA
:
1272 ret
= !pglXSwapIntervalMESA(interval
);
1275 case GLX_SWAP_CONTROL_SGI
:
1276 /* wglSwapIntervalEXT considers an interval value of zero to mean that
1277 * vsync should be disabled, but glXSwapIntervalSGI considers such a
1278 * value to be an error. Just silently ignore the request for now.
1281 WARN("Request to disable vertical sync is not handled\n");
1283 ret
= !pglXSwapIntervalSGI(interval
);
1286 case GLX_SWAP_CONTROL_NONE
:
1287 /* Unlikely to happen on modern GLX implementations */
1288 WARN("Request to adjust swap interval is not handled\n");
1295 static struct gl_drawable
*get_gl_drawable( HWND hwnd
, HDC hdc
)
1297 struct gl_drawable
*gl
;
1299 EnterCriticalSection( &context_section
);
1300 if (hwnd
&& !XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
))
1301 gl
= grab_gl_drawable( gl
);
1302 else if (hdc
&& !XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
))
1303 gl
= grab_gl_drawable( gl
);
1306 LeaveCriticalSection( &context_section
);
1310 static GLXContext
create_glxcontext(Display
*display
, struct wgl_context
*context
, GLXContext shareList
)
1314 if(context
->gl3_context
)
1316 if(context
->numAttribs
)
1317 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, GL_TRUE
, context
->attribList
);
1319 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, GL_TRUE
, NULL
);
1321 else if(context
->fmt
->visual
)
1322 ctx
= pglXCreateContext(gdi_display
, context
->fmt
->visual
, shareList
, GL_TRUE
);
1323 else /* Create a GLX Context for a pbuffer */
1324 ctx
= pglXCreateNewContext(gdi_display
, context
->fmt
->fbconfig
, context
->fmt
->render_type
, shareList
, TRUE
);
1330 /***********************************************************************
1331 * create_gl_drawable
1333 static struct gl_drawable
*create_gl_drawable( HWND hwnd
, const struct wgl_pixel_format
*format
, BOOL known_child
)
1335 struct gl_drawable
*gl
, *prev
;
1336 XVisualInfo
*visual
= format
->visual
;
1340 GetClientRect( hwnd
, &rect
);
1341 width
= min( max( 1, rect
.right
), 65535 );
1342 height
= min( max( 1, rect
.bottom
), 65535 );
1344 if (!(gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) ))) return NULL
;
1346 /* Default GLX and WGL swap interval is 1, but in case of glXSwapIntervalSGI
1347 * there is no way to query it, so we have to store it here.
1349 gl
->swap_interval
= 1;
1350 gl
->refresh_swap_interval
= TRUE
;
1351 gl
->format
= format
;
1354 if (!known_child
&& !GetWindow( hwnd
, GW_CHILD
) && GetAncestor( hwnd
, GA_PARENT
) == GetDesktopWindow()) /* childless top-level window */
1356 gl
->type
= DC_GL_WINDOW
;
1357 gl
->window
= create_client_window( hwnd
, visual
);
1359 gl
->drawable
= pglXCreateWindow( gdi_display
, gl
->format
->fbconfig
, gl
->window
, NULL
);
1360 TRACE( "%p created client %lx drawable %lx\n", hwnd
, gl
->window
, gl
->drawable
);
1362 #ifdef SONAME_LIBXCOMPOSITE
1363 else if(usexcomposite
)
1365 gl
->type
= DC_GL_CHILD_WIN
;
1366 gl
->window
= create_client_window( hwnd
, visual
);
1369 gl
->drawable
= pglXCreateWindow( gdi_display
, gl
->format
->fbconfig
, gl
->window
, NULL
);
1370 pXCompositeRedirectWindow( gdi_display
, gl
->window
, CompositeRedirectManual
);
1372 TRACE( "%p created child %lx drawable %lx\n", hwnd
, gl
->window
, gl
->drawable
);
1377 WARN("XComposite is not available, using GLXPixmap hack\n");
1379 gl
->type
= DC_GL_PIXMAP_WIN
;
1380 gl
->pixmap
= XCreatePixmap( gdi_display
, root_window
, width
, height
, visual
->depth
);
1383 gl
->drawable
= pglXCreatePixmap( gdi_display
, gl
->format
->fbconfig
, gl
->pixmap
, NULL
);
1384 if (!gl
->drawable
) XFreePixmap( gdi_display
, gl
->pixmap
);
1385 gl
->pixmap_size
.cx
= width
;
1386 gl
->pixmap_size
.cy
= height
;
1392 HeapFree( GetProcessHeap(), 0, gl
);
1396 EnterCriticalSection( &context_section
);
1397 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&prev
))
1399 gl
->swap_interval
= prev
->swap_interval
;
1400 release_gl_drawable( prev
);
1402 XSaveContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char *)grab_gl_drawable(gl
) );
1403 LeaveCriticalSection( &context_section
);
1408 /***********************************************************************
1411 static BOOL
set_win_format( HWND hwnd
, const struct wgl_pixel_format
*format
)
1413 struct gl_drawable
*gl
;
1415 if (!format
->visual
) return FALSE
;
1417 if (!(gl
= create_gl_drawable( hwnd
, format
, FALSE
))) return FALSE
;
1419 TRACE( "created GL drawable %lx for win %p %s\n",
1420 gl
->drawable
, hwnd
, debugstr_fbconfig( format
->fbconfig
));
1422 XFlush( gdi_display
);
1423 release_gl_drawable( gl
);
1425 __wine_set_pixel_format( hwnd
, pixel_format_index( format
));
1430 static BOOL
set_pixel_format(HDC hdc
, int format
, BOOL allow_change
)
1432 const struct wgl_pixel_format
*fmt
;
1434 HWND hwnd
= WindowFromDC( hdc
);
1436 TRACE("(%p,%d)\n", hdc
, format
);
1438 if (!hwnd
|| hwnd
== GetDesktopWindow())
1440 WARN( "not a valid window DC %p/%p\n", hdc
, hwnd
);
1444 fmt
= get_pixel_format(gdi_display
, format
, FALSE
/* Offscreen */);
1447 ERR( "Invalid format %d\n", format
);
1451 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1452 if (!(value
& GLX_WINDOW_BIT
))
1454 WARN( "Pixel format %d is not compatible for window rendering\n", format
);
1460 struct gl_drawable
*gl
;
1461 if ((gl
= get_gl_drawable( hwnd
, hdc
)))
1463 int prev
= pixel_format_index( gl
->format
);
1464 release_gl_drawable( gl
);
1465 return prev
== format
; /* cannot change it if already set */
1469 return set_win_format( hwnd
, fmt
);
1473 /***********************************************************************
1476 void sync_gl_drawable( HWND hwnd
, BOOL known_child
)
1478 struct gl_drawable
*old
, *new;
1480 if (!(old
= get_gl_drawable( hwnd
, 0 ))) return;
1485 if (!known_child
) break; /* Still a childless top-level window */
1487 case DC_GL_PIXMAP_WIN
:
1488 if (!(new = create_gl_drawable( hwnd
, old
->format
, known_child
))) break;
1489 mark_drawable_dirty( old
, new );
1490 XFlush( gdi_display
);
1491 TRACE( "Recreated GL drawable %lx to replace %lx\n", new->drawable
, old
->drawable
);
1492 release_gl_drawable( new );
1497 release_gl_drawable( old
);
1501 /***********************************************************************
1502 * set_gl_drawable_parent
1504 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
1506 struct gl_drawable
*old
, *new;
1508 if (!(old
= get_gl_drawable( hwnd
, 0 ))) return;
1510 TRACE( "setting drawable %lx parent %p\n", old
->drawable
, parent
);
1516 case DC_GL_CHILD_WIN
:
1517 case DC_GL_PIXMAP_WIN
:
1518 if (parent
== GetDesktopWindow()) break;
1521 release_gl_drawable( old
);
1525 if ((new = create_gl_drawable( hwnd
, old
->format
, FALSE
)))
1527 mark_drawable_dirty( old
, new );
1528 release_gl_drawable( new );
1532 destroy_gl_drawable( hwnd
);
1533 __wine_set_pixel_format( hwnd
, 0 );
1535 release_gl_drawable( old
);
1539 /***********************************************************************
1540 * destroy_gl_drawable
1542 void destroy_gl_drawable( HWND hwnd
)
1544 struct gl_drawable
*gl
;
1546 EnterCriticalSection( &context_section
);
1547 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
))
1549 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1550 release_gl_drawable( gl
);
1552 LeaveCriticalSection( &context_section
);
1557 * glxdrv_DescribePixelFormat
1559 * Get the pixel-format descriptor associated to the given id
1561 static int glxdrv_wglDescribePixelFormat( HDC hdc
, int iPixelFormat
,
1562 UINT nBytes
, PIXELFORMATDESCRIPTOR
*ppfd
)
1564 /*XVisualInfo *vis;*/
1567 const struct wgl_pixel_format
*fmt
;
1569 if (!has_opengl()) return 0;
1571 TRACE("(%p,%d,%d,%p)\n", hdc
, iPixelFormat
, nBytes
, ppfd
);
1573 if (!ppfd
) return nb_onscreen_formats
;
1575 /* 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 */
1576 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, FALSE
/* Offscreen */);
1578 WARN("unexpected format %d\n", iPixelFormat
);
1582 if (nBytes
< sizeof(PIXELFORMATDESCRIPTOR
)) {
1583 ERR("Wrong structure size !\n");
1584 /* Should set error */
1588 memset(ppfd
, 0, sizeof(PIXELFORMATDESCRIPTOR
));
1589 ppfd
->nSize
= sizeof(PIXELFORMATDESCRIPTOR
);
1592 /* These flags are always the same... */
1593 ppfd
->dwFlags
= PFD_SUPPORT_OPENGL
;
1594 /* Now the flags extracted from the Visual */
1596 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1597 if(value
& GLX_WINDOW_BIT
)
1598 ppfd
->dwFlags
|= PFD_DRAW_TO_WINDOW
;
1600 /* On Windows bitmap rendering is only offered using the GDI Software renderer. We reserve some formats (see get_formats for more info)
1601 * for bitmap rendering since we require indirect rendering for this. Further pixel format logs of a GeforceFX, Geforce8800GT, Radeon HD3400 and a
1602 * 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
1603 * offered the GDI bit either. */
1604 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
);
1606 /* PFD_GENERIC_FORMAT - gdi software rendering
1607 * PFD_GENERIC_ACCELERATED - some parts are accelerated by a display driver (MCD e.g. 3dfx minigl)
1608 * none set - full hardware accelerated by a ICD
1610 * We only set PFD_GENERIC_FORMAT on bitmap formats (see get_formats) as that's what ATI and Nvidia Windows drivers do */
1611 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_GENERIC_FORMAT
| PFD_GENERIC_ACCELERATED
);
1613 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DOUBLEBUFFER
, &value
);
1615 ppfd
->dwFlags
|= PFD_DOUBLEBUFFER
;
1616 ppfd
->dwFlags
&= ~PFD_SUPPORT_GDI
;
1618 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STEREO
, &value
); if (value
) ppfd
->dwFlags
|= PFD_STEREO
;
1621 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RENDER_TYPE
, &value
);
1622 if (value
& GLX_RGBA_BIT
)
1623 ppfd
->iPixelType
= PFD_TYPE_RGBA
;
1625 ppfd
->iPixelType
= PFD_TYPE_COLORINDEX
;
1628 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BUFFER_SIZE
, &value
);
1629 ppfd
->cColorBits
= value
;
1631 /* Red, green, blue and alpha bits / shifts */
1632 if (ppfd
->iPixelType
== PFD_TYPE_RGBA
) {
1633 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RED_SIZE
, &rb
);
1634 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_GREEN_SIZE
, &gb
);
1635 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BLUE_SIZE
, &bb
);
1636 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ALPHA_SIZE
, &ab
);
1638 ppfd
->cRedBits
= rb
;
1639 ppfd
->cRedShift
= gb
+ bb
+ ab
;
1640 ppfd
->cBlueBits
= bb
;
1641 ppfd
->cBlueShift
= ab
;
1642 ppfd
->cGreenBits
= gb
;
1643 ppfd
->cGreenShift
= bb
+ ab
;
1644 ppfd
->cAlphaBits
= ab
;
1645 ppfd
->cAlphaShift
= 0;
1648 ppfd
->cRedShift
= 0;
1649 ppfd
->cBlueBits
= 0;
1650 ppfd
->cBlueShift
= 0;
1651 ppfd
->cGreenBits
= 0;
1652 ppfd
->cGreenShift
= 0;
1653 ppfd
->cAlphaBits
= 0;
1654 ppfd
->cAlphaShift
= 0;
1657 /* Accum RGBA bits */
1658 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &rb
);
1659 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &gb
);
1660 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &bb
);
1661 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &ab
);
1663 ppfd
->cAccumBits
= rb
+gb
+bb
+ab
;
1664 ppfd
->cAccumRedBits
= rb
;
1665 ppfd
->cAccumGreenBits
= gb
;
1666 ppfd
->cAccumBlueBits
= bb
;
1667 ppfd
->cAccumAlphaBits
= ab
;
1670 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_AUX_BUFFERS
, &value
);
1671 ppfd
->cAuxBuffers
= value
;
1674 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DEPTH_SIZE
, &value
);
1675 ppfd
->cDepthBits
= value
;
1678 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STENCIL_SIZE
, &value
);
1679 ppfd
->cStencilBits
= value
;
1681 ppfd
->iLayerType
= PFD_MAIN_PLANE
;
1683 if (TRACE_ON(wgl
)) {
1684 dump_PIXELFORMATDESCRIPTOR(ppfd
);
1687 return nb_onscreen_formats
;
1690 /***********************************************************************
1691 * glxdrv_wglGetPixelFormat
1693 static int glxdrv_wglGetPixelFormat( HDC hdc
)
1695 struct gl_drawable
*gl
;
1698 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1700 ret
= pixel_format_index( gl
->format
);
1701 /* Offscreen formats can't be used with traditional WGL calls.
1702 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1703 if (!is_onscreen_pixel_format( ret
)) ret
= 1;
1704 release_gl_drawable( gl
);
1706 TRACE( "%p -> %d\n", hdc
, ret
);
1710 /***********************************************************************
1711 * glxdrv_wglSetPixelFormat
1713 static BOOL
glxdrv_wglSetPixelFormat( HDC hdc
, int iPixelFormat
, const PIXELFORMATDESCRIPTOR
*ppfd
)
1715 return set_pixel_format(hdc
, iPixelFormat
, FALSE
);
1718 /***********************************************************************
1719 * glxdrv_wglCopyContext
1721 static BOOL
glxdrv_wglCopyContext(struct wgl_context
*src
, struct wgl_context
*dst
, UINT mask
)
1723 TRACE("%p -> %p mask %#x\n", src
, dst
, mask
);
1725 pglXCopyContext(gdi_display
, src
->ctx
, dst
->ctx
, mask
);
1727 /* As opposed to wglCopyContext, glXCopyContext doesn't return anything, so hopefully we passed */
1731 /***********************************************************************
1732 * glxdrv_wglCreateContext
1734 static struct wgl_context
*glxdrv_wglCreateContext( HDC hdc
)
1736 struct wgl_context
*ret
;
1737 struct gl_drawable
*gl
;
1739 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1741 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1745 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
1748 ret
->fmt
= gl
->format
;
1749 ret
->ctx
= create_glxcontext(gdi_display
, ret
, NULL
);
1750 EnterCriticalSection( &context_section
);
1751 list_add_head( &context_list
, &ret
->entry
);
1752 LeaveCriticalSection( &context_section
);
1754 release_gl_drawable( gl
);
1755 TRACE( "%p -> %p\n", hdc
, ret
);
1759 /***********************************************************************
1760 * glxdrv_wglDeleteContext
1762 static BOOL
glxdrv_wglDeleteContext(struct wgl_context
*ctx
)
1764 struct wgl_pbuffer
*pb
;
1766 TRACE("(%p)\n", ctx
);
1768 EnterCriticalSection( &context_section
);
1769 list_remove( &ctx
->entry
);
1770 LIST_FOR_EACH_ENTRY( pb
, &pbuffer_list
, struct wgl_pbuffer
, entry
)
1772 if (pb
->prev_context
== ctx
->ctx
) {
1773 pglXDestroyContext(gdi_display
, pb
->tmp_context
);
1774 pb
->prev_context
= pb
->tmp_context
= NULL
;
1777 LeaveCriticalSection( &context_section
);
1779 if (ctx
->ctx
) pglXDestroyContext( gdi_display
, ctx
->ctx
);
1780 release_gl_drawable( ctx
->drawables
[0] );
1781 release_gl_drawable( ctx
->drawables
[1] );
1782 release_gl_drawable( ctx
->new_drawables
[0] );
1783 release_gl_drawable( ctx
->new_drawables
[1] );
1784 return HeapFree( GetProcessHeap(), 0, ctx
);
1787 /***********************************************************************
1788 * glxdrv_wglGetProcAddress
1790 static PROC
glxdrv_wglGetProcAddress(LPCSTR lpszProc
)
1792 if (!strncmp(lpszProc
, "wgl", 3)) return NULL
;
1793 return pglXGetProcAddressARB((const GLubyte
*)lpszProc
);
1796 static void set_context_drawables( struct wgl_context
*ctx
, struct gl_drawable
*draw
,
1797 struct gl_drawable
*read
)
1799 struct gl_drawable
*prev
[4];
1802 prev
[0] = ctx
->drawables
[0];
1803 prev
[1] = ctx
->drawables
[1];
1804 prev
[2] = ctx
->new_drawables
[0];
1805 prev
[3] = ctx
->new_drawables
[1];
1806 ctx
->drawables
[0] = grab_gl_drawable( draw
);
1807 ctx
->drawables
[1] = read
? grab_gl_drawable( read
) : NULL
;
1808 ctx
->new_drawables
[0] = ctx
->new_drawables
[1] = NULL
;
1809 for (i
= 0; i
< 4; i
++) release_gl_drawable( prev
[i
] );
1812 /***********************************************************************
1813 * glxdrv_wglMakeCurrent
1815 static BOOL
glxdrv_wglMakeCurrent(HDC hdc
, struct wgl_context
*ctx
)
1818 struct gl_drawable
*gl
;
1820 TRACE("(%p,%p)\n", hdc
, ctx
);
1824 pglXMakeCurrent(gdi_display
, None
, NULL
);
1825 NtCurrentTeb()->glContext
= NULL
;
1829 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1831 if (ctx
->fmt
!= gl
->format
)
1833 WARN( "mismatched pixel format hdc %p %p ctx %p %p\n", hdc
, gl
->format
, ctx
, ctx
->fmt
);
1834 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1838 TRACE("hdc %p drawable %lx fmt %p ctx %p %s\n", hdc
, gl
->drawable
, gl
->format
, ctx
->ctx
,
1839 debugstr_fbconfig( gl
->format
->fbconfig
));
1841 EnterCriticalSection( &context_section
);
1842 ret
= pglXMakeCurrent(gdi_display
, gl
->drawable
, ctx
->ctx
);
1845 NtCurrentTeb()->glContext
= ctx
;
1846 ctx
->has_been_current
= TRUE
;
1848 set_context_drawables( ctx
, gl
, gl
);
1849 ctx
->refresh_drawables
= FALSE
;
1850 LeaveCriticalSection( &context_section
);
1853 LeaveCriticalSection( &context_section
);
1855 SetLastError( ERROR_INVALID_HANDLE
);
1858 release_gl_drawable( gl
);
1859 TRACE( "%p,%p returning %d\n", hdc
, ctx
, ret
);
1863 /***********************************************************************
1864 * X11DRV_wglMakeContextCurrentARB
1866 static BOOL
X11DRV_wglMakeContextCurrentARB( HDC draw_hdc
, HDC read_hdc
, struct wgl_context
*ctx
)
1869 struct gl_drawable
*draw_gl
, *read_gl
= NULL
;
1871 TRACE("(%p,%p,%p)\n", draw_hdc
, read_hdc
, ctx
);
1875 pglXMakeCurrent(gdi_display
, None
, NULL
);
1876 NtCurrentTeb()->glContext
= NULL
;
1880 if (!pglXMakeContextCurrent
) return FALSE
;
1882 if ((draw_gl
= get_gl_drawable( WindowFromDC( draw_hdc
), draw_hdc
)))
1884 read_gl
= get_gl_drawable( WindowFromDC( read_hdc
), read_hdc
);
1886 EnterCriticalSection( &context_section
);
1887 ret
= pglXMakeContextCurrent(gdi_display
, draw_gl
->drawable
,
1888 read_gl
? read_gl
->drawable
: 0, ctx
->ctx
);
1891 ctx
->has_been_current
= TRUE
;
1892 ctx
->hdc
= draw_hdc
;
1893 set_context_drawables( ctx
, draw_gl
, read_gl
);
1894 ctx
->refresh_drawables
= FALSE
;
1895 NtCurrentTeb()->glContext
= ctx
;
1896 LeaveCriticalSection( &context_section
);
1899 LeaveCriticalSection( &context_section
);
1901 SetLastError( ERROR_INVALID_HANDLE
);
1903 release_gl_drawable( read_gl
);
1904 release_gl_drawable( draw_gl
);
1905 TRACE( "%p,%p,%p returning %d\n", draw_hdc
, read_hdc
, ctx
, ret
);
1909 /***********************************************************************
1910 * glxdrv_wglShareLists
1912 static BOOL
glxdrv_wglShareLists(struct wgl_context
*org
, struct wgl_context
*dest
)
1914 TRACE("(%p, %p)\n", org
, dest
);
1916 /* Sharing of display lists works differently in GLX and WGL. In case of GLX it is done
1917 * at context creation time but in case of WGL it is done using wglShareLists.
1918 * In the past we tried to emulate wglShareLists by delaying GLX context creation until
1919 * either a wglMakeCurrent or wglShareLists. This worked fine for most apps but it causes
1920 * issues for OpenGL 3 because there wglCreateContextAttribsARB can fail in a lot of cases,
1921 * so there delaying context creation doesn't work.
1923 * The new approach is to create a GLX context in wglCreateContext / wglCreateContextAttribsARB
1924 * and when a program requests sharing we recreate the destination context if it hasn't been made
1925 * current or when it hasn't shared display lists before.
1928 if((org
->has_been_current
&& dest
->has_been_current
) || dest
->has_been_current
)
1930 ERR("Could not share display lists, one of the contexts has been current already !\n");
1933 else if(dest
->sharing
)
1935 ERR("Could not share display lists because hglrc2 has already shared lists before\n");
1940 /* Re-create the GLX context and share display lists */
1941 pglXDestroyContext(gdi_display
, dest
->ctx
);
1942 dest
->ctx
= create_glxcontext(gdi_display
, dest
, org
->ctx
);
1943 TRACE(" re-created context (%p) for Wine context %p (%s) sharing lists with ctx %p (%s)\n",
1944 dest
->ctx
, dest
, debugstr_fbconfig(dest
->fmt
->fbconfig
),
1945 org
->ctx
, debugstr_fbconfig( org
->fmt
->fbconfig
));
1947 org
->sharing
= TRUE
;
1948 dest
->sharing
= TRUE
;
1954 static void wglFinish(void)
1956 struct x11drv_escape_flush_gl_drawable escape
;
1957 struct gl_drawable
*gl
;
1958 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1960 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1961 escape
.gl_drawable
= 0;
1962 escape
.flush
= FALSE
;
1964 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
1968 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1969 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->window
; break;
1973 release_gl_drawable( gl
);
1977 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
1980 static void wglFlush(void)
1982 struct x11drv_escape_flush_gl_drawable escape
;
1983 struct gl_drawable
*gl
;
1984 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1986 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1987 escape
.gl_drawable
= 0;
1988 escape
.flush
= FALSE
;
1990 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
1994 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1995 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->window
; break;
1999 release_gl_drawable( gl
);
2003 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2006 static const GLubyte
*wglGetString(GLenum name
)
2008 if (name
== GL_EXTENSIONS
&& glExtensions
) return (const GLubyte
*)glExtensions
;
2009 return pglGetString(name
);
2012 /***********************************************************************
2013 * X11DRV_wglCreateContextAttribsARB
2015 static struct wgl_context
*X11DRV_wglCreateContextAttribsARB( HDC hdc
, struct wgl_context
*hShareContext
,
2016 const int* attribList
)
2018 struct wgl_context
*ret
;
2019 struct gl_drawable
*gl
;
2022 TRACE("(%p %p %p)\n", hdc
, hShareContext
, attribList
);
2024 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
2026 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
2030 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
2033 ret
->fmt
= gl
->format
;
2034 ret
->gl3_context
= TRUE
;
2037 int *pContextAttribList
= &ret
->attribList
[0];
2038 /* attribList consists of pairs {token, value] terminated with 0 */
2039 while(attribList
[0] != 0)
2041 TRACE("%#x %#x\n", attribList
[0], attribList
[1]);
2042 switch(attribList
[0])
2044 case WGL_CONTEXT_MAJOR_VERSION_ARB
:
2045 pContextAttribList
[0] = GLX_CONTEXT_MAJOR_VERSION_ARB
;
2046 pContextAttribList
[1] = attribList
[1];
2047 pContextAttribList
+= 2;
2050 case WGL_CONTEXT_MINOR_VERSION_ARB
:
2051 pContextAttribList
[0] = GLX_CONTEXT_MINOR_VERSION_ARB
;
2052 pContextAttribList
[1] = attribList
[1];
2053 pContextAttribList
+= 2;
2056 case WGL_CONTEXT_LAYER_PLANE_ARB
:
2058 case WGL_CONTEXT_FLAGS_ARB
:
2059 pContextAttribList
[0] = GLX_CONTEXT_FLAGS_ARB
;
2060 pContextAttribList
[1] = attribList
[1];
2061 pContextAttribList
+= 2;
2064 case WGL_CONTEXT_OPENGL_NO_ERROR_ARB
:
2065 pContextAttribList
[0] = GLX_CONTEXT_OPENGL_NO_ERROR_ARB
;
2066 pContextAttribList
[1] = attribList
[1];
2067 pContextAttribList
+= 2;
2070 case WGL_CONTEXT_PROFILE_MASK_ARB
:
2071 pContextAttribList
[0] = GLX_CONTEXT_PROFILE_MASK_ARB
;
2072 pContextAttribList
[1] = attribList
[1];
2073 pContextAttribList
+= 2;
2076 case WGL_RENDERER_ID_WINE
:
2077 pContextAttribList
[0] = GLX_RENDERER_ID_MESA
;
2078 pContextAttribList
[1] = attribList
[1];
2079 pContextAttribList
+= 2;
2083 ERR("Unhandled attribList pair: %#x %#x\n", attribList
[0], attribList
[1]);
2089 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
2090 ret
->ctx
= create_glxcontext(gdi_display
, ret
, hShareContext
? hShareContext
->ctx
: NULL
);
2091 XSync(gdi_display
, False
);
2092 if ((err
= X11DRV_check_error()) || !ret
->ctx
)
2094 /* In the future we should convert the GLX error to a win32 one here if needed */
2095 WARN("Context creation failed (error %#x).\n", err
);
2096 HeapFree( GetProcessHeap(), 0, ret
);
2101 EnterCriticalSection( &context_section
);
2102 list_add_head( &context_list
, &ret
->entry
);
2103 LeaveCriticalSection( &context_section
);
2107 release_gl_drawable( gl
);
2108 TRACE( "%p -> %p\n", hdc
, ret
);
2113 * X11DRV_wglGetExtensionsStringARB
2115 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
2117 static const char *X11DRV_wglGetExtensionsStringARB(HDC hdc
)
2119 TRACE("() returning \"%s\"\n", wglExtensions
);
2120 return wglExtensions
;
2124 * X11DRV_wglCreatePbufferARB
2126 * WGL_ARB_pbuffer: wglCreatePbufferARB
2128 static struct wgl_pbuffer
*X11DRV_wglCreatePbufferARB( HDC hdc
, int iPixelFormat
, int iWidth
, int iHeight
,
2129 const int *piAttribList
)
2131 struct wgl_pbuffer
* object
;
2132 const struct wgl_pixel_format
*fmt
;
2136 TRACE("(%p, %d, %d, %d, %p)\n", hdc
, iPixelFormat
, iWidth
, iHeight
, piAttribList
);
2138 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
2139 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2141 ERR("(%p): invalid pixel format %d\n", hdc
, iPixelFormat
);
2142 SetLastError(ERROR_INVALID_PIXEL_FORMAT
);
2146 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
2147 if (NULL
== object
) {
2148 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2151 object
->width
= iWidth
;
2152 object
->height
= iHeight
;
2155 PUSH2(attribs
, GLX_PBUFFER_WIDTH
, iWidth
);
2156 PUSH2(attribs
, GLX_PBUFFER_HEIGHT
, iHeight
);
2157 while (piAttribList
&& 0 != *piAttribList
) {
2159 switch (*piAttribList
) {
2160 case WGL_PBUFFER_LARGEST_ARB
: {
2162 attr_v
= *piAttribList
;
2163 TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v
);
2164 PUSH2(attribs
, GLX_LARGEST_PBUFFER
, attr_v
);
2168 case WGL_TEXTURE_FORMAT_ARB
: {
2170 attr_v
= *piAttribList
;
2171 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v
);
2172 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2173 object
->use_render_texture
= 0;
2175 if (!use_render_texture_emulation
) {
2176 SetLastError(ERROR_INVALID_DATA
);
2180 case WGL_TEXTURE_RGB_ARB
:
2181 object
->use_render_texture
= GL_RGB
;
2182 object
->texture_bpp
= 3;
2183 object
->texture_format
= GL_RGB
;
2184 object
->texture_type
= GL_UNSIGNED_BYTE
;
2186 case WGL_TEXTURE_RGBA_ARB
:
2187 object
->use_render_texture
= GL_RGBA
;
2188 object
->texture_bpp
= 4;
2189 object
->texture_format
= GL_RGBA
;
2190 object
->texture_type
= GL_UNSIGNED_BYTE
;
2193 /* WGL_FLOAT_COMPONENTS_NV */
2194 case WGL_TEXTURE_FLOAT_R_NV
:
2195 object
->use_render_texture
= GL_FLOAT_R_NV
;
2196 object
->texture_bpp
= 4;
2197 object
->texture_format
= GL_RED
;
2198 object
->texture_type
= GL_FLOAT
;
2200 case WGL_TEXTURE_FLOAT_RG_NV
:
2201 object
->use_render_texture
= GL_FLOAT_RG_NV
;
2202 object
->texture_bpp
= 8;
2203 object
->texture_format
= GL_LUMINANCE_ALPHA
;
2204 object
->texture_type
= GL_FLOAT
;
2206 case WGL_TEXTURE_FLOAT_RGB_NV
:
2207 object
->use_render_texture
= GL_FLOAT_RGB_NV
;
2208 object
->texture_bpp
= 12;
2209 object
->texture_format
= GL_RGB
;
2210 object
->texture_type
= GL_FLOAT
;
2212 case WGL_TEXTURE_FLOAT_RGBA_NV
:
2213 object
->use_render_texture
= GL_FLOAT_RGBA_NV
;
2214 object
->texture_bpp
= 16;
2215 object
->texture_format
= GL_RGBA
;
2216 object
->texture_type
= GL_FLOAT
;
2219 ERR("Unknown texture format: %x\n", attr_v
);
2220 SetLastError(ERROR_INVALID_DATA
);
2227 case WGL_TEXTURE_TARGET_ARB
: {
2229 attr_v
= *piAttribList
;
2230 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v
);
2231 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2232 object
->texture_target
= 0;
2234 if (!use_render_texture_emulation
) {
2235 SetLastError(ERROR_INVALID_DATA
);
2239 case WGL_TEXTURE_CUBE_MAP_ARB
: {
2240 if (iWidth
!= iHeight
) {
2241 SetLastError(ERROR_INVALID_DATA
);
2244 object
->texture_target
= GL_TEXTURE_CUBE_MAP
;
2245 object
->texture_bind_target
= GL_TEXTURE_BINDING_CUBE_MAP
;
2248 case WGL_TEXTURE_1D_ARB
: {
2250 SetLastError(ERROR_INVALID_DATA
);
2253 object
->texture_target
= GL_TEXTURE_1D
;
2254 object
->texture_bind_target
= GL_TEXTURE_BINDING_1D
;
2257 case WGL_TEXTURE_2D_ARB
: {
2258 object
->texture_target
= GL_TEXTURE_2D
;
2259 object
->texture_bind_target
= GL_TEXTURE_BINDING_2D
;
2262 case WGL_TEXTURE_RECTANGLE_NV
: {
2263 object
->texture_target
= GL_TEXTURE_RECTANGLE_NV
;
2264 object
->texture_bind_target
= GL_TEXTURE_BINDING_RECTANGLE_NV
;
2268 ERR("Unknown texture target: %x\n", attr_v
);
2269 SetLastError(ERROR_INVALID_DATA
);
2276 case WGL_MIPMAP_TEXTURE_ARB
: {
2278 attr_v
= *piAttribList
;
2279 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v
);
2280 if (!use_render_texture_emulation
) {
2281 SetLastError(ERROR_INVALID_DATA
);
2290 PUSH1(attribs
, None
);
2291 object
->drawable
= pglXCreatePbuffer(gdi_display
, fmt
->fbconfig
, attribs
);
2292 TRACE("new Pbuffer drawable as %lx\n", object
->drawable
);
2293 if (!object
->drawable
) {
2294 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2295 goto create_failed
; /* unexpected error */
2297 EnterCriticalSection( &context_section
);
2298 list_add_head( &pbuffer_list
, &object
->entry
);
2299 LeaveCriticalSection( &context_section
);
2300 TRACE("->(%p)\n", object
);
2304 HeapFree(GetProcessHeap(), 0, object
);
2305 TRACE("->(FAILED)\n");
2310 * X11DRV_wglDestroyPbufferARB
2312 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2314 static BOOL
X11DRV_wglDestroyPbufferARB( struct wgl_pbuffer
*object
)
2316 TRACE("(%p)\n", object
);
2318 EnterCriticalSection( &context_section
);
2319 list_remove( &object
->entry
);
2320 LeaveCriticalSection( &context_section
);
2321 pglXDestroyPbuffer(gdi_display
, object
->drawable
);
2322 if (object
->tmp_context
)
2323 pglXDestroyContext(gdi_display
, object
->tmp_context
);
2324 HeapFree(GetProcessHeap(), 0, object
);
2329 * X11DRV_wglGetPbufferDCARB
2331 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2333 static HDC
X11DRV_wglGetPbufferDCARB( struct wgl_pbuffer
*object
)
2335 struct x11drv_escape_set_drawable escape
;
2336 struct gl_drawable
*gl
, *prev
;
2339 hdc
= CreateDCA( "DISPLAY", NULL
, NULL
, NULL
);
2342 if (!(gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) )))
2347 gl
->type
= DC_GL_PBUFFER
;
2348 gl
->drawable
= object
->drawable
;
2349 gl
->format
= object
->fmt
;
2352 EnterCriticalSection( &context_section
);
2353 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&prev
))
2354 release_gl_drawable( prev
);
2355 XSaveContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char *)gl
);
2356 LeaveCriticalSection( &context_section
);
2358 escape
.code
= X11DRV_SET_DRAWABLE
;
2359 escape
.drawable
= object
->drawable
;
2360 escape
.mode
= IncludeInferiors
;
2361 SetRect( &escape
.dc_rect
, 0, 0, object
->width
, object
->height
);
2362 ExtEscape( hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2364 TRACE( "(%p)->(%p)\n", object
, hdc
);
2369 * X11DRV_wglQueryPbufferARB
2371 * WGL_ARB_pbuffer: wglQueryPbufferARB
2373 static BOOL
X11DRV_wglQueryPbufferARB( struct wgl_pbuffer
*object
, int iAttribute
, int *piValue
)
2375 TRACE("(%p, 0x%x, %p)\n", object
, iAttribute
, piValue
);
2377 switch (iAttribute
) {
2378 case WGL_PBUFFER_WIDTH_ARB
:
2379 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_WIDTH
, (unsigned int*) piValue
);
2381 case WGL_PBUFFER_HEIGHT_ARB
:
2382 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_HEIGHT
, (unsigned int*) piValue
);
2385 case WGL_PBUFFER_LOST_ARB
:
2386 /* GLX Pbuffers cannot be lost by default. We can support this by
2387 * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent
2388 * to receive pixel buffer clobber events, however that may or may
2389 * not give any benefit */
2390 *piValue
= GL_FALSE
;
2393 case WGL_TEXTURE_FORMAT_ARB
:
2394 if (!object
->use_render_texture
) {
2395 *piValue
= WGL_NO_TEXTURE_ARB
;
2397 if (!use_render_texture_emulation
) {
2398 SetLastError(ERROR_INVALID_HANDLE
);
2401 switch(object
->use_render_texture
) {
2403 *piValue
= WGL_TEXTURE_RGB_ARB
;
2406 *piValue
= WGL_TEXTURE_RGBA_ARB
;
2408 /* WGL_FLOAT_COMPONENTS_NV */
2410 *piValue
= WGL_TEXTURE_FLOAT_R_NV
;
2412 case GL_FLOAT_RG_NV
:
2413 *piValue
= WGL_TEXTURE_FLOAT_RG_NV
;
2415 case GL_FLOAT_RGB_NV
:
2416 *piValue
= WGL_TEXTURE_FLOAT_RGB_NV
;
2418 case GL_FLOAT_RGBA_NV
:
2419 *piValue
= WGL_TEXTURE_FLOAT_RGBA_NV
;
2422 ERR("Unknown texture format: %x\n", object
->use_render_texture
);
2427 case WGL_TEXTURE_TARGET_ARB
:
2428 if (!object
->texture_target
){
2429 *piValue
= WGL_NO_TEXTURE_ARB
;
2431 if (!use_render_texture_emulation
) {
2432 SetLastError(ERROR_INVALID_DATA
);
2435 switch (object
->texture_target
) {
2436 case GL_TEXTURE_1D
: *piValue
= WGL_TEXTURE_1D_ARB
; break;
2437 case GL_TEXTURE_2D
: *piValue
= WGL_TEXTURE_2D_ARB
; break;
2438 case GL_TEXTURE_CUBE_MAP
: *piValue
= WGL_TEXTURE_CUBE_MAP_ARB
; break;
2439 case GL_TEXTURE_RECTANGLE_NV
: *piValue
= WGL_TEXTURE_RECTANGLE_NV
; break;
2444 case WGL_MIPMAP_TEXTURE_ARB
:
2445 *piValue
= GL_FALSE
; /** don't support that */
2446 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute
);
2450 FIXME("unexpected attribute %x\n", iAttribute
);
2458 * X11DRV_wglReleasePbufferDCARB
2460 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2462 static int X11DRV_wglReleasePbufferDCARB( struct wgl_pbuffer
*object
, HDC hdc
)
2464 struct gl_drawable
*gl
;
2466 TRACE("(%p, %p)\n", object
, hdc
);
2468 EnterCriticalSection( &context_section
);
2470 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
))
2472 XDeleteContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
);
2473 release_gl_drawable( gl
);
2477 LeaveCriticalSection( &context_section
);
2479 return hdc
&& DeleteDC(hdc
);
2483 * X11DRV_wglSetPbufferAttribARB
2485 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2487 static BOOL
X11DRV_wglSetPbufferAttribARB( struct wgl_pbuffer
*object
, const int *piAttribList
)
2489 GLboolean ret
= GL_FALSE
;
2491 WARN("(%p, %p): alpha-testing, report any problem\n", object
, piAttribList
);
2493 if (!object
->use_render_texture
) {
2494 SetLastError(ERROR_INVALID_HANDLE
);
2497 if (use_render_texture_emulation
) {
2504 * X11DRV_wglChoosePixelFormatARB
2506 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2508 static BOOL
X11DRV_wglChoosePixelFormatARB( HDC hdc
, const int *piAttribIList
, const FLOAT
*pfAttribFList
,
2509 UINT nMaxFormats
, int *piFormats
, UINT
*nNumFormats
)
2523 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc
, piAttribIList
, pfAttribFList
, nMaxFormats
, piFormats
, nNumFormats
);
2524 if (NULL
!= pfAttribFList
) {
2525 FIXME("unused pfAttribFList\n");
2528 nAttribs
= ConvertAttribWGLtoGLX(piAttribIList
, attribs
, NULL
);
2529 if (-1 == nAttribs
) {
2530 WARN("Cannot convert WGL to GLX attributes\n");
2533 PUSH1(attribs
, None
);
2535 /* There is no 1:1 mapping between GLX and WGL formats because we duplicate some GLX formats for bitmap rendering (see get_formats).
2536 * Flags like PFD_SUPPORT_GDI, PFD_DRAW_TO_BITMAP and others are a property of the pixel format. We don't query these attributes
2537 * using glXChooseFBConfig but we filter the result of glXChooseFBConfig later on.
2539 for(i
=0; piAttribIList
[i
] != 0; i
+=2)
2541 switch(piAttribIList
[i
])
2543 case WGL_DRAW_TO_BITMAP_ARB
:
2544 if(piAttribIList
[i
+1])
2545 dwFlags
|= PFD_DRAW_TO_BITMAP
;
2547 case WGL_ACCELERATION_ARB
:
2548 switch(piAttribIList
[i
+1])
2550 case WGL_NO_ACCELERATION_ARB
:
2551 dwFlags
|= PFD_GENERIC_FORMAT
;
2553 case WGL_GENERIC_ACCELERATION_ARB
:
2554 dwFlags
|= PFD_GENERIC_ACCELERATED
;
2556 case WGL_FULL_ACCELERATION_ARB
:
2561 case WGL_SUPPORT_GDI_ARB
:
2562 if(piAttribIList
[i
+1])
2563 dwFlags
|= PFD_SUPPORT_GDI
;
2568 /* Search for FB configurations matching the requirements in attribs */
2569 cfgs
= pglXChooseFBConfig(gdi_display
, DefaultScreen(gdi_display
), attribs
, &nCfgs
);
2571 WARN("Compatible Pixel Format not found\n");
2575 /* Loop through all matching formats and check if they are suitable.
2576 * Note that this function should at max return nMaxFormats different formats */
2577 for(run
=0; run
< 2; run
++)
2579 for (it
= 0; it
< nCfgs
&& pfmt_it
< nMaxFormats
; ++it
)
2581 if (pglXGetFBConfigAttrib(gdi_display
, cfgs
[it
], GLX_FBCONFIG_ID
, &fmt_id
))
2583 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2587 /* During the first run we only want onscreen formats and during the second only offscreen */
2588 start
= run
== 1 ? nb_onscreen_formats
: 0;
2589 end
= run
== 1 ? nb_pixel_formats
: nb_onscreen_formats
;
2591 for (i
= start
; i
< end
; i
++)
2593 if (pixel_formats
[i
].fmt_id
== fmt_id
&& (pixel_formats
[i
].dwFlags
& dwFlags
) == dwFlags
)
2595 piFormats
[pfmt_it
++] = i
+ 1;
2596 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n",
2597 it
+ 1, nCfgs
, fmt_id
, i
+ 1);
2604 *nNumFormats
= pfmt_it
;
2611 * X11DRV_wglGetPixelFormatAttribivARB
2613 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2615 static BOOL
X11DRV_wglGetPixelFormatAttribivARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2616 UINT nAttributes
, const int *piAttributes
, int *piValues
)
2619 const struct wgl_pixel_format
*fmt
;
2624 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, piValues
);
2626 if (0 < iLayerPlane
) {
2627 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane
);
2631 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supported.
2632 * We don't have to fail yet as a program can specify an invalid iPixelFormat (lets say 0) if it wants to query
2633 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2634 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2636 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat
);
2639 for (i
= 0; i
< nAttributes
; ++i
) {
2640 const int curWGLAttr
= piAttributes
[i
];
2641 TRACE("pAttr[%d] = %x\n", i
, curWGLAttr
);
2643 switch (curWGLAttr
) {
2644 case WGL_NUMBER_PIXEL_FORMATS_ARB
:
2645 piValues
[i
] = nb_pixel_formats
;
2648 case WGL_SUPPORT_OPENGL_ARB
:
2649 piValues
[i
] = GL_TRUE
;
2652 case WGL_ACCELERATION_ARB
:
2653 curGLXAttr
= GLX_CONFIG_CAVEAT
;
2654 if (!fmt
) goto pix_error
;
2655 if(fmt
->dwFlags
& PFD_GENERIC_FORMAT
)
2656 piValues
[i
] = WGL_NO_ACCELERATION_ARB
;
2657 else if(fmt
->dwFlags
& PFD_GENERIC_ACCELERATED
)
2658 piValues
[i
] = WGL_GENERIC_ACCELERATION_ARB
;
2660 piValues
[i
] = WGL_FULL_ACCELERATION_ARB
;
2663 case WGL_TRANSPARENT_ARB
:
2664 curGLXAttr
= GLX_TRANSPARENT_TYPE
;
2665 if (!fmt
) goto pix_error
;
2666 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2667 if (hTest
) goto get_error
;
2668 piValues
[i
] = GL_FALSE
;
2669 if (GLX_NONE
!= tmp
) piValues
[i
] = GL_TRUE
;
2672 case WGL_PIXEL_TYPE_ARB
:
2673 curGLXAttr
= GLX_RENDER_TYPE
;
2674 if (!fmt
) goto pix_error
;
2675 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2676 if (hTest
) goto get_error
;
2677 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp
);
2678 if (tmp
& GLX_RGBA_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_ARB
; }
2679 else if (tmp
& GLX_COLOR_INDEX_BIT
) { piValues
[i
] = WGL_TYPE_COLORINDEX_ARB
; }
2680 else if (tmp
& GLX_RGBA_FLOAT_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2681 else if (tmp
& GLX_RGBA_FLOAT_ATI_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2682 else if (tmp
& GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
) { piValues
[i
] = WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
; }
2684 ERR("unexpected RenderType(%x)\n", tmp
);
2685 piValues
[i
] = WGL_TYPE_RGBA_ARB
;
2689 case WGL_COLOR_BITS_ARB
:
2690 curGLXAttr
= GLX_BUFFER_SIZE
;
2693 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
2694 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
2695 if (!use_render_texture_emulation
) {
2696 piValues
[i
] = GL_FALSE
;
2699 curGLXAttr
= GLX_RENDER_TYPE
;
2700 if (!fmt
) goto pix_error
;
2701 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2702 if (hTest
) goto get_error
;
2703 if (GLX_COLOR_INDEX_BIT
== tmp
) {
2704 piValues
[i
] = GL_FALSE
;
2707 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2708 if (hTest
) goto get_error
;
2709 piValues
[i
] = (tmp
& GLX_PBUFFER_BIT
) ? GL_TRUE
: GL_FALSE
;
2712 case WGL_BLUE_BITS_ARB
:
2713 curGLXAttr
= GLX_BLUE_SIZE
;
2715 case WGL_RED_BITS_ARB
:
2716 curGLXAttr
= GLX_RED_SIZE
;
2718 case WGL_GREEN_BITS_ARB
:
2719 curGLXAttr
= GLX_GREEN_SIZE
;
2721 case WGL_ALPHA_BITS_ARB
:
2722 curGLXAttr
= GLX_ALPHA_SIZE
;
2724 case WGL_DEPTH_BITS_ARB
:
2725 curGLXAttr
= GLX_DEPTH_SIZE
;
2727 case WGL_STENCIL_BITS_ARB
:
2728 curGLXAttr
= GLX_STENCIL_SIZE
;
2730 case WGL_DOUBLE_BUFFER_ARB
:
2731 curGLXAttr
= GLX_DOUBLEBUFFER
;
2733 case WGL_STEREO_ARB
:
2734 curGLXAttr
= GLX_STEREO
;
2736 case WGL_AUX_BUFFERS_ARB
:
2737 curGLXAttr
= GLX_AUX_BUFFERS
;
2740 case WGL_SUPPORT_GDI_ARB
:
2741 if (!fmt
) goto pix_error
;
2742 piValues
[i
] = (fmt
->dwFlags
& PFD_SUPPORT_GDI
) != 0;
2745 case WGL_DRAW_TO_BITMAP_ARB
:
2746 if (!fmt
) goto pix_error
;
2747 piValues
[i
] = (fmt
->dwFlags
& PFD_DRAW_TO_BITMAP
) != 0;
2750 case WGL_DRAW_TO_WINDOW_ARB
:
2751 case WGL_DRAW_TO_PBUFFER_ARB
:
2752 if (!fmt
) goto pix_error
;
2753 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2754 if (hTest
) goto get_error
;
2755 if((curWGLAttr
== WGL_DRAW_TO_WINDOW_ARB
&& (tmp
&GLX_WINDOW_BIT
)) ||
2756 (curWGLAttr
== WGL_DRAW_TO_PBUFFER_ARB
&& (tmp
&GLX_PBUFFER_BIT
)))
2757 piValues
[i
] = GL_TRUE
;
2759 piValues
[i
] = GL_FALSE
;
2762 case WGL_SWAP_METHOD_ARB
:
2763 if (has_swap_method
)
2765 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_SWAP_METHOD_OML
, &tmp
);
2766 if (hTest
) goto get_error
;
2769 case GLX_SWAP_EXCHANGE_OML
:
2770 piValues
[i
] = WGL_SWAP_EXCHANGE_ARB
;
2772 case GLX_SWAP_COPY_OML
:
2773 piValues
[i
] = WGL_SWAP_COPY_ARB
;
2775 case GLX_SWAP_UNDEFINED_OML
:
2776 piValues
[i
] = WGL_SWAP_UNDEFINED_ARB
;
2779 ERR("Unexpected swap method %x.\n", tmp
);
2784 WARN("GLX_OML_swap_method not supported, returning WGL_SWAP_EXCHANGE_ARB.\n");
2785 piValues
[i
] = WGL_SWAP_EXCHANGE_ARB
;
2789 case WGL_PBUFFER_LARGEST_ARB
:
2790 curGLXAttr
= GLX_LARGEST_PBUFFER
;
2793 case WGL_SAMPLE_BUFFERS_ARB
:
2794 curGLXAttr
= GLX_SAMPLE_BUFFERS_ARB
;
2797 case WGL_SAMPLES_ARB
:
2798 curGLXAttr
= GLX_SAMPLES_ARB
;
2801 case WGL_FLOAT_COMPONENTS_NV
:
2802 curGLXAttr
= GLX_FLOAT_COMPONENTS_NV
;
2805 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
2806 curGLXAttr
= GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
;
2809 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
2810 curGLXAttr
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
2813 case WGL_ACCUM_RED_BITS_ARB
:
2814 curGLXAttr
= GLX_ACCUM_RED_SIZE
;
2816 case WGL_ACCUM_GREEN_BITS_ARB
:
2817 curGLXAttr
= GLX_ACCUM_GREEN_SIZE
;
2819 case WGL_ACCUM_BLUE_BITS_ARB
:
2820 curGLXAttr
= GLX_ACCUM_BLUE_SIZE
;
2822 case WGL_ACCUM_ALPHA_BITS_ARB
:
2823 curGLXAttr
= GLX_ACCUM_ALPHA_SIZE
;
2825 case WGL_ACCUM_BITS_ARB
:
2826 if (!fmt
) goto pix_error
;
2827 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &tmp
);
2828 if (hTest
) goto get_error
;
2830 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &tmp
);
2831 if (hTest
) goto get_error
;
2833 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &tmp
);
2834 if (hTest
) goto get_error
;
2836 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &tmp
);
2837 if (hTest
) goto get_error
;
2842 FIXME("unsupported %x WGL Attribute\n", curWGLAttr
);
2845 /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
2846 * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
2847 * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
2849 * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
2850 * and check which options can work using iPixelFormat=0 and which not.
2851 * A problem would be that this function is an extension. This would
2852 * mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
2854 if (0 != curGLXAttr
&& iPixelFormat
!= 0) {
2855 if (!fmt
) goto pix_error
;
2856 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, piValues
+ i
);
2857 if (hTest
) goto get_error
;
2860 piValues
[i
] = GL_FALSE
;
2866 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc
, curGLXAttr
);
2870 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc
, iPixelFormat
, nb_pixel_formats
);
2875 * X11DRV_wglGetPixelFormatAttribfvARB
2877 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2879 static BOOL
X11DRV_wglGetPixelFormatAttribfvARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2880 UINT nAttributes
, const int *piAttributes
, FLOAT
*pfValues
)
2886 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, pfValues
);
2888 /* Allocate a temporary array to store integer values */
2889 attr
= HeapAlloc(GetProcessHeap(), 0, nAttributes
* sizeof(int));
2891 ERR("couldn't allocate %d array\n", nAttributes
);
2895 /* Piggy-back on wglGetPixelFormatAttribivARB */
2896 ret
= X11DRV_wglGetPixelFormatAttribivARB(hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, attr
);
2898 /* Convert integer values to float. Should also check for attributes
2899 that can give decimal values here */
2900 for (i
=0; i
<nAttributes
;i
++) {
2901 pfValues
[i
] = attr
[i
];
2905 HeapFree(GetProcessHeap(), 0, attr
);
2910 * X11DRV_wglBindTexImageARB
2912 * WGL_ARB_render_texture: wglBindTexImageARB
2914 static BOOL
X11DRV_wglBindTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2916 GLboolean ret
= GL_FALSE
;
2918 TRACE("(%p, %d)\n", object
, iBuffer
);
2920 if (!object
->use_render_texture
) {
2921 SetLastError(ERROR_INVALID_HANDLE
);
2925 if (use_render_texture_emulation
) {
2926 static BOOL initialized
= FALSE
;
2927 int prev_binded_texture
= 0;
2928 GLXContext prev_context
;
2929 GLXDrawable prev_drawable
;
2931 prev_context
= pglXGetCurrentContext();
2932 prev_drawable
= pglXGetCurrentDrawable();
2934 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2935 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2936 isn't ideal performance wise but I wasn't able to get other ways working.
2939 initialized
= TRUE
; /* Only show the FIXME once for performance reasons */
2940 FIXME("partial stub!\n");
2943 TRACE("drawable=%lx, context=%p\n", object
->drawable
, prev_context
);
2944 if (!object
->tmp_context
|| object
->prev_context
!= prev_context
) {
2945 if (object
->tmp_context
)
2946 pglXDestroyContext(gdi_display
, object
->tmp_context
);
2947 object
->tmp_context
= pglXCreateNewContext(gdi_display
, object
->fmt
->fbconfig
, object
->fmt
->render_type
, prev_context
, True
);
2948 object
->prev_context
= prev_context
;
2951 opengl_funcs
.gl
.p_glGetIntegerv(object
->texture_bind_target
, &prev_binded_texture
);
2953 /* Switch to our pbuffer */
2954 pglXMakeCurrent(gdi_display
, object
->drawable
, object
->tmp_context
);
2956 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2957 * After that copy the pbuffer texture data. */
2958 opengl_funcs
.gl
.p_glBindTexture(object
->texture_target
, prev_binded_texture
);
2959 opengl_funcs
.gl
.p_glCopyTexImage2D(object
->texture_target
, 0, object
->use_render_texture
, 0, 0, object
->width
, object
->height
, 0);
2961 /* Switch back to the original drawable and context */
2962 pglXMakeCurrent(gdi_display
, prev_drawable
, prev_context
);
2970 * X11DRV_wglReleaseTexImageARB
2972 * WGL_ARB_render_texture: wglReleaseTexImageARB
2974 static BOOL
X11DRV_wglReleaseTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2976 GLboolean ret
= GL_FALSE
;
2978 TRACE("(%p, %d)\n", object
, iBuffer
);
2980 if (!object
->use_render_texture
) {
2981 SetLastError(ERROR_INVALID_HANDLE
);
2984 if (use_render_texture_emulation
) {
2991 * X11DRV_wglGetExtensionsStringEXT
2993 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2995 static const char *X11DRV_wglGetExtensionsStringEXT(void)
2997 TRACE("() returning \"%s\"\n", wglExtensions
);
2998 return wglExtensions
;
3002 * X11DRV_wglGetSwapIntervalEXT
3004 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
3006 static int X11DRV_wglGetSwapIntervalEXT(void)
3008 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
3009 struct gl_drawable
*gl
;
3014 if (!(gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), ctx
->hdc
)))
3016 /* This can't happen because a current WGL context is required to get
3017 * here. Likely the application is buggy.
3019 WARN("No GL drawable found, returning swap interval 0\n");
3023 swap_interval
= gl
->swap_interval
;
3024 release_gl_drawable(gl
);
3026 return swap_interval
;
3030 * X11DRV_wglSwapIntervalEXT
3032 * WGL_EXT_swap_control: wglSwapIntervalEXT
3034 static BOOL
X11DRV_wglSwapIntervalEXT(int interval
)
3036 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
3037 struct gl_drawable
*gl
;
3040 TRACE("(%d)\n", interval
);
3042 /* Without WGL/GLX_EXT_swap_control_tear a negative interval
3045 if (interval
< 0 && !has_swap_control_tear
)
3047 SetLastError(ERROR_INVALID_DATA
);
3051 if (!(gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), ctx
->hdc
)))
3053 SetLastError(ERROR_DC_NOT_FOUND
);
3057 EnterCriticalSection( &context_section
);
3058 ret
= set_swap_interval(gl
->drawable
, interval
);
3059 gl
->refresh_swap_interval
= FALSE
;
3061 gl
->swap_interval
= interval
;
3063 SetLastError(ERROR_DC_NOT_FOUND
);
3065 LeaveCriticalSection( &context_section
);
3066 release_gl_drawable(gl
);
3072 * X11DRV_wglSetPixelFormatWINE
3074 * WGL_WINE_pixel_format_passthrough: wglSetPixelFormatWINE
3075 * This is a WINE-specific wglSetPixelFormat which can set the pixel format multiple times.
3077 static BOOL
X11DRV_wglSetPixelFormatWINE(HDC hdc
, int format
)
3079 return set_pixel_format(hdc
, format
, TRUE
);
3082 static BOOL
X11DRV_wglQueryCurrentRendererIntegerWINE( GLenum attribute
, GLuint
*value
)
3084 return pglXQueryCurrentRendererIntegerMESA( attribute
, value
);
3087 static const char *X11DRV_wglQueryCurrentRendererStringWINE( GLenum attribute
)
3089 return pglXQueryCurrentRendererStringMESA( attribute
);
3092 static BOOL
X11DRV_wglQueryRendererIntegerWINE( HDC dc
, GLint renderer
, GLenum attribute
, GLuint
*value
)
3094 return pglXQueryRendererIntegerMESA( gdi_display
, DefaultScreen(gdi_display
), renderer
, attribute
, value
);
3097 static const char *X11DRV_wglQueryRendererStringWINE( HDC dc
, GLint renderer
, GLenum attribute
)
3099 return pglXQueryRendererStringMESA( gdi_display
, DefaultScreen(gdi_display
), renderer
, attribute
);
3103 * glxRequireVersion (internal)
3105 * Check if the supported GLX version matches requiredVersion.
3107 static BOOL
glxRequireVersion(int requiredVersion
)
3109 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
3110 return (requiredVersion
<= glxVersion
[1]);
3113 static void register_extension(const char *ext
)
3115 if (wglExtensions
[0])
3116 strcat(wglExtensions
, " ");
3117 strcat(wglExtensions
, ext
);
3119 TRACE("'%s'\n", ext
);
3123 * X11DRV_WineGL_LoadExtensions
3125 static void X11DRV_WineGL_LoadExtensions(void)
3127 wglExtensions
[0] = 0;
3129 /* ARB Extensions */
3131 if (has_extension( glxExtensions
, "GLX_ARB_create_context"))
3133 register_extension( "WGL_ARB_create_context" );
3134 opengl_funcs
.ext
.p_wglCreateContextAttribsARB
= X11DRV_wglCreateContextAttribsARB
;
3136 if (has_extension( glxExtensions
, "GLX_ARB_create_context_no_error" ))
3137 register_extension( "WGL_ARB_create_context_no_error" );
3138 if (has_extension( glxExtensions
, "GLX_ARB_create_context_profile"))
3139 register_extension("WGL_ARB_create_context_profile");
3142 if (has_extension( glxExtensions
, "GLX_ARB_fbconfig_float"))
3144 register_extension("WGL_ARB_pixel_format_float");
3145 register_extension("WGL_ATI_pixel_format_float");
3148 register_extension( "WGL_ARB_extensions_string" );
3149 opengl_funcs
.ext
.p_wglGetExtensionsStringARB
= X11DRV_wglGetExtensionsStringARB
;
3151 if (glxRequireVersion(3))
3153 register_extension( "WGL_ARB_make_current_read" );
3154 opengl_funcs
.ext
.p_wglGetCurrentReadDCARB
= (void *)1; /* never called */
3155 opengl_funcs
.ext
.p_wglMakeContextCurrentARB
= X11DRV_wglMakeContextCurrentARB
;
3158 if (has_extension( glxExtensions
, "GLX_ARB_multisample")) register_extension( "WGL_ARB_multisample" );
3160 if (glxRequireVersion(3))
3162 register_extension( "WGL_ARB_pbuffer" );
3163 opengl_funcs
.ext
.p_wglCreatePbufferARB
= X11DRV_wglCreatePbufferARB
;
3164 opengl_funcs
.ext
.p_wglDestroyPbufferARB
= X11DRV_wglDestroyPbufferARB
;
3165 opengl_funcs
.ext
.p_wglGetPbufferDCARB
= X11DRV_wglGetPbufferDCARB
;
3166 opengl_funcs
.ext
.p_wglQueryPbufferARB
= X11DRV_wglQueryPbufferARB
;
3167 opengl_funcs
.ext
.p_wglReleasePbufferDCARB
= X11DRV_wglReleasePbufferDCARB
;
3168 opengl_funcs
.ext
.p_wglSetPbufferAttribARB
= X11DRV_wglSetPbufferAttribARB
;
3171 register_extension( "WGL_ARB_pixel_format" );
3172 opengl_funcs
.ext
.p_wglChoosePixelFormatARB
= X11DRV_wglChoosePixelFormatARB
;
3173 opengl_funcs
.ext
.p_wglGetPixelFormatAttribfvARB
= X11DRV_wglGetPixelFormatAttribfvARB
;
3174 opengl_funcs
.ext
.p_wglGetPixelFormatAttribivARB
= X11DRV_wglGetPixelFormatAttribivARB
;
3176 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
3177 if (has_extension( glxExtensions
, "GLX_ARB_render_texture") ||
3178 (glxRequireVersion(3) && use_render_texture_emulation
))
3180 register_extension( "WGL_ARB_render_texture" );
3181 opengl_funcs
.ext
.p_wglBindTexImageARB
= X11DRV_wglBindTexImageARB
;
3182 opengl_funcs
.ext
.p_wglReleaseTexImageARB
= X11DRV_wglReleaseTexImageARB
;
3184 /* The WGL version of GLX_NV_float_buffer requires render_texture */
3185 if (has_extension( glxExtensions
, "GLX_NV_float_buffer"))
3186 register_extension("WGL_NV_float_buffer");
3188 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
3189 if (has_extension(glExtensions
, "GL_NV_texture_rectangle"))
3190 register_extension("WGL_NV_render_texture_rectangle");
3193 /* EXT Extensions */
3195 register_extension( "WGL_EXT_extensions_string" );
3196 opengl_funcs
.ext
.p_wglGetExtensionsStringEXT
= X11DRV_wglGetExtensionsStringEXT
;
3198 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
3199 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
3200 register_extension( "WGL_EXT_swap_control" );
3201 opengl_funcs
.ext
.p_wglSwapIntervalEXT
= X11DRV_wglSwapIntervalEXT
;
3202 opengl_funcs
.ext
.p_wglGetSwapIntervalEXT
= X11DRV_wglGetSwapIntervalEXT
;
3204 if (has_extension( glxExtensions
, "GLX_EXT_framebuffer_sRGB"))
3205 register_extension("WGL_EXT_framebuffer_sRGB");
3207 if (has_extension( glxExtensions
, "GLX_EXT_fbconfig_packed_float"))
3208 register_extension("WGL_EXT_pixel_format_packed_float");
3210 if (has_extension( glxExtensions
, "GLX_EXT_swap_control"))
3212 swap_control_method
= GLX_SWAP_CONTROL_EXT
;
3213 if (has_extension( glxExtensions
, "GLX_EXT_swap_control_tear"))
3215 register_extension("WGL_EXT_swap_control_tear");
3216 has_swap_control_tear
= TRUE
;
3219 else if (has_extension( glxExtensions
, "GLX_MESA_swap_control"))
3221 swap_control_method
= GLX_SWAP_CONTROL_MESA
;
3223 else if (has_extension( glxExtensions
, "GLX_SGI_swap_control"))
3225 swap_control_method
= GLX_SWAP_CONTROL_SGI
;
3228 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
3229 if (has_extension(glExtensions
, "GL_NV_vertex_array_range"))
3231 register_extension( "WGL_NV_vertex_array_range" );
3232 opengl_funcs
.ext
.p_wglAllocateMemoryNV
= pglXAllocateMemoryNV
;
3233 opengl_funcs
.ext
.p_wglFreeMemoryNV
= pglXFreeMemoryNV
;
3236 if (has_extension(glxExtensions
, "GLX_OML_swap_method"))
3237 has_swap_method
= TRUE
;
3239 /* WINE-specific WGL Extensions */
3241 /* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset).
3242 * The default wglSetPixelFormat doesn't allow this, so add our own which allows it.
3244 register_extension( "WGL_WINE_pixel_format_passthrough" );
3245 opengl_funcs
.ext
.p_wglSetPixelFormatWINE
= X11DRV_wglSetPixelFormatWINE
;
3247 if (has_extension( glxExtensions
, "GLX_MESA_query_renderer" ))
3249 register_extension( "WGL_WINE_query_renderer" );
3250 opengl_funcs
.ext
.p_wglQueryCurrentRendererIntegerWINE
= X11DRV_wglQueryCurrentRendererIntegerWINE
;
3251 opengl_funcs
.ext
.p_wglQueryCurrentRendererStringWINE
= X11DRV_wglQueryCurrentRendererStringWINE
;
3252 opengl_funcs
.ext
.p_wglQueryRendererIntegerWINE
= X11DRV_wglQueryRendererIntegerWINE
;
3253 opengl_funcs
.ext
.p_wglQueryRendererStringWINE
= X11DRV_wglQueryRendererStringWINE
;
3259 * glxdrv_SwapBuffers
3261 * Swap the buffers of this DC
3263 static BOOL
glxdrv_wglSwapBuffers( HDC hdc
)
3265 struct x11drv_escape_flush_gl_drawable escape
;
3266 struct gl_drawable
*gl
;
3267 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
3268 INT64 ust
, msc
, sbc
, target_sbc
= 0;
3270 TRACE("(%p)\n", hdc
);
3272 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
3273 escape
.gl_drawable
= 0;
3274 escape
.flush
= !pglXWaitForSbcOML
;
3276 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
3278 SetLastError( ERROR_INVALID_HANDLE
);
3282 EnterCriticalSection( &context_section
);
3283 if (gl
->refresh_swap_interval
)
3285 set_swap_interval(gl
->drawable
, gl
->swap_interval
);
3286 gl
->refresh_swap_interval
= FALSE
;
3288 LeaveCriticalSection( &context_section
);
3292 case DC_GL_PIXMAP_WIN
:
3293 if (ctx
) sync_context( ctx
);
3294 escape
.gl_drawable
= gl
->pixmap
;
3295 if (pglXCopySubBufferMESA
) {
3296 /* (glX)SwapBuffers has an implicit glFlush effect, however
3297 * GLX_MESA_copy_sub_buffer doesn't. Make sure GL is flushed before
3300 pglXCopySubBufferMESA( gdi_display
, gl
->drawable
, 0, 0,
3301 gl
->pixmap_size
.cx
, gl
->pixmap_size
.cy
);
3304 if (pglXSwapBuffersMscOML
)
3307 target_sbc
= pglXSwapBuffersMscOML( gdi_display
, gl
->drawable
, 0, 0, 0 );
3310 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3313 case DC_GL_CHILD_WIN
:
3314 if (ctx
) sync_context( ctx
);
3315 if (gl
->type
== DC_GL_CHILD_WIN
) escape
.gl_drawable
= gl
->window
;
3318 if (escape
.gl_drawable
&& pglXSwapBuffersMscOML
)
3321 target_sbc
= pglXSwapBuffersMscOML( gdi_display
, gl
->drawable
, 0, 0, 0 );
3324 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3328 if (escape
.gl_drawable
&& pglXWaitForSbcOML
)
3329 pglXWaitForSbcOML( gdi_display
, gl
->drawable
, target_sbc
, &ust
, &msc
, &sbc
);
3331 release_gl_drawable( gl
);
3333 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
3337 static struct opengl_funcs opengl_funcs
=
3340 glxdrv_wglCopyContext
, /* p_wglCopyContext */
3341 glxdrv_wglCreateContext
, /* p_wglCreateContext */
3342 glxdrv_wglDeleteContext
, /* p_wglDeleteContext */
3343 glxdrv_wglDescribePixelFormat
, /* p_wglDescribePixelFormat */
3344 glxdrv_wglGetPixelFormat
, /* p_wglGetPixelFormat */
3345 glxdrv_wglGetProcAddress
, /* p_wglGetProcAddress */
3346 glxdrv_wglMakeCurrent
, /* p_wglMakeCurrent */
3347 glxdrv_wglSetPixelFormat
, /* p_wglSetPixelFormat */
3348 glxdrv_wglShareLists
, /* p_wglShareLists */
3349 glxdrv_wglSwapBuffers
, /* p_wglSwapBuffers */
3353 struct opengl_funcs
*get_glx_driver( UINT version
)
3355 if (version
!= WINE_WGL_DRIVER_VERSION
)
3357 ERR( "version mismatch, opengl32 wants %u but driver has %u\n", version
, WINE_WGL_DRIVER_VERSION
);
3360 if (has_opengl()) return &opengl_funcs
;
3364 #else /* no OpenGL includes */
3366 struct opengl_funcs
*get_glx_driver( UINT version
)
3371 void sync_gl_drawable( HWND hwnd
, BOOL known_child
)
3375 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
3379 void destroy_gl_drawable( HWND hwnd
)
3383 #endif /* defined(SONAME_LIBGL) */