2 * X11DRV OpenGL functions
4 * Copyright 2000 Lionel Ulmer
5 * Copyright 2005 Alex Woods
6 * Copyright 2005 Raphael Junqueira
7 * Copyright 2006-2009 Roderick Colenbrander
8 * Copyright 2006 Tomas Carnecky
9 * Copyright 2012 Alexandre Julliard
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 #include "wine/port.h"
33 #ifdef HAVE_SYS_SOCKET_H
34 #include <sys/socket.h>
41 #include "xcomposite.h"
43 #include "wine/library.h"
44 #include "wine/debug.h"
46 WINE_DEFAULT_DEBUG_CHANNEL(wgl
);
50 WINE_DECLARE_DEBUG_CHANNEL(winediag
);
53 #include "wine/wgl_driver.h"
54 #include "wine/wglext.h"
56 typedef struct __GLXcontextRec
*GLXContext
;
57 typedef struct __GLXFBConfigRec
*GLXFBConfig
;
58 typedef XID GLXPixmap
;
59 typedef XID GLXDrawable
;
60 typedef XID GLXFBConfigID
;
61 typedef XID GLXContextID
;
62 typedef XID GLXWindow
;
63 typedef XID GLXPbuffer
;
66 #define GLX_BUFFER_SIZE 2
69 #define GLX_DOUBLEBUFFER 5
71 #define GLX_AUX_BUFFERS 7
72 #define GLX_RED_SIZE 8
73 #define GLX_GREEN_SIZE 9
74 #define GLX_BLUE_SIZE 10
75 #define GLX_ALPHA_SIZE 11
76 #define GLX_DEPTH_SIZE 12
77 #define GLX_STENCIL_SIZE 13
78 #define GLX_ACCUM_RED_SIZE 14
79 #define GLX_ACCUM_GREEN_SIZE 15
80 #define GLX_ACCUM_BLUE_SIZE 16
81 #define GLX_ACCUM_ALPHA_SIZE 17
83 #define GLX_BAD_SCREEN 1
84 #define GLX_BAD_ATTRIBUTE 2
85 #define GLX_NO_EXTENSION 3
86 #define GLX_BAD_VISUAL 4
87 #define GLX_BAD_CONTEXT 5
88 #define GLX_BAD_VALUE 6
89 #define GLX_BAD_ENUM 7
93 #define GLX_EXTENSIONS 3
95 #define GLX_CONFIG_CAVEAT 0x20
96 #define GLX_DONT_CARE 0xFFFFFFFF
97 #define GLX_X_VISUAL_TYPE 0x22
98 #define GLX_TRANSPARENT_TYPE 0x23
99 #define GLX_TRANSPARENT_INDEX_VALUE 0x24
100 #define GLX_TRANSPARENT_RED_VALUE 0x25
101 #define GLX_TRANSPARENT_GREEN_VALUE 0x26
102 #define GLX_TRANSPARENT_BLUE_VALUE 0x27
103 #define GLX_TRANSPARENT_ALPHA_VALUE 0x28
104 #define GLX_WINDOW_BIT 0x00000001
105 #define GLX_PIXMAP_BIT 0x00000002
106 #define GLX_PBUFFER_BIT 0x00000004
107 #define GLX_AUX_BUFFERS_BIT 0x00000010
108 #define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
109 #define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
110 #define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
111 #define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
112 #define GLX_DEPTH_BUFFER_BIT 0x00000020
113 #define GLX_STENCIL_BUFFER_BIT 0x00000040
114 #define GLX_ACCUM_BUFFER_BIT 0x00000080
115 #define GLX_NONE 0x8000
116 #define GLX_SLOW_CONFIG 0x8001
117 #define GLX_TRUE_COLOR 0x8002
118 #define GLX_DIRECT_COLOR 0x8003
119 #define GLX_PSEUDO_COLOR 0x8004
120 #define GLX_STATIC_COLOR 0x8005
121 #define GLX_GRAY_SCALE 0x8006
122 #define GLX_STATIC_GRAY 0x8007
123 #define GLX_TRANSPARENT_RGB 0x8008
124 #define GLX_TRANSPARENT_INDEX 0x8009
125 #define GLX_VISUAL_ID 0x800B
126 #define GLX_SCREEN 0x800C
127 #define GLX_NON_CONFORMANT_CONFIG 0x800D
128 #define GLX_DRAWABLE_TYPE 0x8010
129 #define GLX_RENDER_TYPE 0x8011
130 #define GLX_X_RENDERABLE 0x8012
131 #define GLX_FBCONFIG_ID 0x8013
132 #define GLX_RGBA_TYPE 0x8014
133 #define GLX_COLOR_INDEX_TYPE 0x8015
134 #define GLX_MAX_PBUFFER_WIDTH 0x8016
135 #define GLX_MAX_PBUFFER_HEIGHT 0x8017
136 #define GLX_MAX_PBUFFER_PIXELS 0x8018
137 #define GLX_PRESERVED_CONTENTS 0x801B
138 #define GLX_LARGEST_PBUFFER 0x801C
139 #define GLX_WIDTH 0x801D
140 #define GLX_HEIGHT 0x801E
141 #define GLX_EVENT_MASK 0x801F
142 #define GLX_DAMAGED 0x8020
143 #define GLX_SAVED 0x8021
144 #define GLX_WINDOW 0x8022
145 #define GLX_PBUFFER 0x8023
146 #define GLX_PBUFFER_HEIGHT 0x8040
147 #define GLX_PBUFFER_WIDTH 0x8041
148 #define GLX_RGBA_BIT 0x00000001
149 #define GLX_COLOR_INDEX_BIT 0x00000002
150 #define GLX_PBUFFER_CLOBBER_MASK 0x08000000
152 /** GLX_ARB_multisample */
153 #define GLX_SAMPLE_BUFFERS_ARB 100000
154 #define GLX_SAMPLES_ARB 100001
155 /** GLX_ARB_framebuffer_sRGB */
156 #define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
157 /** GLX_EXT_fbconfig_packed_float */
158 #define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
159 #define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008
160 /** GLX_ARB_create_context */
161 #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
162 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
163 #define GLX_CONTEXT_FLAGS_ARB 0x2094
164 /** GLX_ARB_create_context_profile */
165 #define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
166 /** GLX_ATI_pixel_format_float */
167 #define GLX_RGBA_FLOAT_ATI_BIT 0x00000100
168 /** GLX_ARB_pixel_format_float */
169 #define GLX_RGBA_FLOAT_BIT 0x00000004
170 #define GLX_RGBA_FLOAT_TYPE 0x20B9
171 /** GLX_NV_float_buffer */
172 #define GLX_FLOAT_COMPONENTS_NV 0x20B0
176 const char *glVersion
;
181 const char *glxServerVersion
;
182 const char *glxServerVendor
;
183 const char *glxServerExtensions
;
185 const char *glxClientVersion
;
186 const char *glxClientVendor
;
187 const char *glxClientExtensions
;
189 const char *glxExtensions
;
192 char wglExtensions
[4096];
195 struct wgl_pixel_format
197 GLXFBConfig fbconfig
;
200 DWORD dwFlags
; /* We store some PFD_* flags in here for emulated bitmap formats */
206 BOOL has_been_current
;
210 const struct wgl_pixel_format
*fmt
;
211 int numAttribs
; /* This is needed for delaying wglCreateContextAttribsARB */
212 int attribList
[16]; /* This is needed for delaying wglCreateContextAttribsARB */
214 Drawable drawables
[2];
215 BOOL refresh_drawables
;
222 const struct wgl_pixel_format
* fmt
;
226 int use_render_texture
; /* This is also the internal texture format */
227 int texture_bind_target
;
229 GLint texture_format
;
230 GLuint texture_target
;
238 DC_GL_NONE
, /* no GL support (pixel format not set yet) */
239 DC_GL_WINDOW
, /* normal top-level window */
240 DC_GL_CHILD_WIN
, /* child window using XComposite */
241 DC_GL_PIXMAP_WIN
, /* child window using intermediate pixmap */
242 DC_GL_PBUFFER
/* pseudo memory DC using a PBuffer */
247 enum dc_gl_type type
; /* type of GL surface */
248 Drawable drawable
; /* drawable for rendering to the client area */
249 Pixmap pixmap
; /* base pixmap if drawable is a GLXPixmap */
250 Colormap colormap
; /* colormap used for the drawable */
251 const struct wgl_pixel_format
*format
; /* pixel format for the drawable */
252 XVisualInfo
*visual
; /* information about the GL visual */
253 RECT rect
; /* drawable rect, relative to whole window drawable */
256 /* X context to associate a struct gl_drawable to an hwnd */
257 static XContext gl_hwnd_context
;
258 /* X context to associate a struct gl_drawable to a pbuffer hdc */
259 static XContext gl_pbuffer_context
;
261 static const struct gdi_dc_funcs glxdrv_funcs
;
263 static inline struct glx_physdev
*get_glxdrv_dev( PHYSDEV dev
)
265 return (struct glx_physdev
*)dev
;
268 static struct list context_list
= LIST_INIT( context_list
);
269 static struct WineGLInfo WineGLInfo
= { 0 };
270 static struct wgl_pixel_format
*pixel_formats
;
271 static int nb_pixel_formats
, nb_onscreen_formats
;
272 static int use_render_texture_emulation
= 1;
273 static BOOL has_swap_control
;
274 static int swap_interval
= 1;
276 static CRITICAL_SECTION context_section
;
277 static CRITICAL_SECTION_DEBUG critsect_debug
=
279 0, 0, &context_section
,
280 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
281 0, 0, { (DWORD_PTR
)(__FILE__
": context_section") }
283 static CRITICAL_SECTION context_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
285 static struct opengl_funcs opengl_funcs
;
287 #define USE_GL_FUNC(name) #name,
288 static const char *opengl_func_names
[] = { ALL_WGL_FUNCS
};
291 static void X11DRV_WineGL_LoadExtensions(void);
292 static void init_pixel_formats( Display
*display
);
293 static BOOL
glxRequireVersion(int requiredVersion
);
295 static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR
*ppfd
) {
296 TRACE(" - size / version : %d / %d\n", ppfd
->nSize
, ppfd
->nVersion
);
297 TRACE(" - dwFlags : ");
298 #define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
299 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DEPTH_DONTCARE
);
300 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER
);
301 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DOUBLEBUFFER_DONTCARE
);
302 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_WINDOW
);
303 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_DRAW_TO_BITMAP
);
304 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_ACCELERATED
);
305 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_GENERIC_FORMAT
);
306 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_PALETTE
);
307 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_NEED_SYSTEM_PALETTE
);
308 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO
);
309 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_STEREO_DONTCARE
);
310 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_GDI
);
311 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_OPENGL
);
312 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_COPY
);
313 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_EXCHANGE
);
314 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SWAP_LAYER_BUFFERS
);
315 /* PFD_SUPPORT_COMPOSITION is new in Vista, it is similar to composition
316 * under X e.g. COMPOSITE + GLX_EXT_TEXTURE_FROM_PIXMAP. */
317 TEST_AND_DUMP(ppfd
->dwFlags
, PFD_SUPPORT_COMPOSITION
);
321 TRACE(" - iPixelType : ");
322 switch (ppfd
->iPixelType
) {
323 case PFD_TYPE_RGBA
: TRACE("PFD_TYPE_RGBA"); break;
324 case PFD_TYPE_COLORINDEX
: TRACE("PFD_TYPE_COLORINDEX"); break;
328 TRACE(" - Color : %d\n", ppfd
->cColorBits
);
329 TRACE(" - Red : %d\n", ppfd
->cRedBits
);
330 TRACE(" - Green : %d\n", ppfd
->cGreenBits
);
331 TRACE(" - Blue : %d\n", ppfd
->cBlueBits
);
332 TRACE(" - Alpha : %d\n", ppfd
->cAlphaBits
);
333 TRACE(" - Accum : %d\n", ppfd
->cAccumBits
);
334 TRACE(" - Depth : %d\n", ppfd
->cDepthBits
);
335 TRACE(" - Stencil : %d\n", ppfd
->cStencilBits
);
336 TRACE(" - Aux : %d\n", ppfd
->cAuxBuffers
);
338 TRACE(" - iLayerType : ");
339 switch (ppfd
->iLayerType
) {
340 case PFD_MAIN_PLANE
: TRACE("PFD_MAIN_PLANE"); break;
341 case PFD_OVERLAY_PLANE
: TRACE("PFD_OVERLAY_PLANE"); break;
342 case (BYTE
)PFD_UNDERLAY_PLANE
: TRACE("PFD_UNDERLAY_PLANE"); break;
347 #define PUSH1(attribs,att) do { attribs[nAttribs++] = (att); } while (0)
348 #define PUSH2(attribs,att,value) do { attribs[nAttribs++] = (att); attribs[nAttribs++] = (value); } while(0)
351 static XVisualInfo
* (*pglXChooseVisual
)( Display
*dpy
, int screen
, int *attribList
);
352 static GLXContext (*pglXCreateContext
)( Display
*dpy
, XVisualInfo
*vis
, GLXContext shareList
, Bool direct
);
353 static void (*pglXDestroyContext
)( Display
*dpy
, GLXContext ctx
);
354 static Bool (*pglXMakeCurrent
)( Display
*dpy
, GLXDrawable drawable
, GLXContext ctx
);
355 static void (*pglXCopyContext
)( Display
*dpy
, GLXContext src
, GLXContext dst
, unsigned long mask
);
356 static void (*pglXSwapBuffers
)( Display
*dpy
, GLXDrawable drawable
);
357 static GLXPixmap (*pglXCreateGLXPixmap
)( Display
*dpy
, XVisualInfo
*visual
, Pixmap pixmap
);
358 static void (*pglXDestroyGLXPixmap
)( Display
*dpy
, GLXPixmap pixmap
);
359 static Bool (*pglXQueryExtension
)( Display
*dpy
, int *errorb
, int *event
);
360 static Bool (*pglXQueryVersion
)( Display
*dpy
, int *maj
, int *min
);
361 static Bool (*pglXIsDirect
)( Display
*dpy
, GLXContext ctx
);
362 static int (*pglXGetConfig
)( Display
*dpy
, XVisualInfo
*visual
, int attrib
, int *value
);
363 static GLXContext (*pglXGetCurrentContext
)( void );
364 static GLXDrawable (*pglXGetCurrentDrawable
)( void );
367 static const char *(*pglXQueryExtensionsString
)( Display
*dpy
, int screen
);
368 static const char *(*pglXQueryServerString
)( Display
*dpy
, int screen
, int name
);
369 static const char *(*pglXGetClientString
)( Display
*dpy
, int name
);
372 static GLXFBConfig
*(*pglXChooseFBConfig
)( Display
*dpy
, int screen
, const int *attribList
, int *nitems
);
373 static int (*pglXGetFBConfigAttrib
)( Display
*dpy
, GLXFBConfig config
, int attribute
, int *value
);
374 static GLXFBConfig
*(*pglXGetFBConfigs
)( Display
*dpy
, int screen
, int *nelements
);
375 static XVisualInfo
*(*pglXGetVisualFromFBConfig
)( Display
*dpy
, GLXFBConfig config
);
376 static GLXPbuffer (*pglXCreatePbuffer
)( Display
*dpy
, GLXFBConfig config
, const int *attribList
);
377 static void (*pglXDestroyPbuffer
)( Display
*dpy
, GLXPbuffer pbuf
);
378 static void (*pglXQueryDrawable
)( Display
*dpy
, GLXDrawable draw
, int attribute
, unsigned int *value
);
379 static GLXContext (*pglXCreateNewContext
)( Display
*dpy
, GLXFBConfig config
, int renderType
, GLXContext shareList
, Bool direct
);
380 static Bool (*pglXMakeContextCurrent
)( Display
*dpy
, GLXDrawable draw
, GLXDrawable read
, GLXContext ctx
);
383 static GLXContext (*pglXCreateContextAttribsARB
)(Display
*dpy
, GLXFBConfig config
, GLXContext share_context
, Bool direct
, const int *attrib_list
);
384 static void* (*pglXGetProcAddressARB
)(const GLubyte
*);
385 static int (*pglXSwapIntervalSGI
)(int);
387 /* NV GLX Extension */
388 static void* (*pglXAllocateMemoryNV
)(GLsizei size
, GLfloat readfreq
, GLfloat writefreq
, GLfloat priority
);
389 static void (*pglXFreeMemoryNV
)(GLvoid
*pointer
);
391 /* MESA GLX Extensions */
392 static void (*pglXCopySubBufferMESA
)(Display
*dpy
, GLXDrawable drawable
, int x
, int y
, int width
, int height
);
394 /* Standard OpenGL */
395 static void (*pglFinish
)(void);
396 static void (*pglFlush
)(void);
398 static void wglFinish(void);
399 static void wglFlush(void);
401 /* check if the extension is present in the list */
402 static BOOL
has_extension( const char *list
, const char *ext
)
404 size_t len
= strlen( ext
);
408 while (*list
== ' ') list
++;
409 if (!strncmp( list
, ext
, len
) && (!list
[len
] || list
[len
] == ' ')) return TRUE
;
410 list
= strchr( list
, ' ' );
415 static int GLXErrorHandler(Display
*dpy
, XErrorEvent
*event
, void *arg
)
417 /* In the future we might want to find the exact X or GLX error to report back to the app */
421 static BOOL
X11DRV_WineGL_InitOpenglInfo(void)
423 int screen
= DefaultScreen(gdi_display
);
424 Window win
= 0, root
= 0;
425 const char *gl_renderer
;
428 GLXContext ctx
= NULL
;
429 XSetWindowAttributes attr
;
431 int attribList
[] = {GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
433 attr
.override_redirect
= True
;
434 attr
.colormap
= None
;
435 attr
.border_pixel
= 0;
437 vis
= pglXChooseVisual(gdi_display
, screen
, attribList
);
440 WORD old_fs
= wine_get_fs();
441 /* Create a GLX Context. Without one we can't query GL information */
442 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
443 if (wine_get_fs() != old_fs
)
445 wine_set_fs( old_fs
);
446 ERR( "%%fs register corrupted, probably broken ATI driver, disabling OpenGL.\n" );
447 ERR( "You need to set the \"UseFastTls\" option to \"2\" in your X config file.\n" );
451 ctx
= pglXCreateContext(gdi_display
, vis
, None
, GL_TRUE
);
456 root
= RootWindow( gdi_display
, vis
->screen
);
457 if (vis
->visual
!= DefaultVisual( gdi_display
, vis
->screen
))
458 attr
.colormap
= XCreateColormap( gdi_display
, root
, vis
->visual
, AllocNone
);
459 if ((win
= XCreateWindow( gdi_display
, root
, -1, -1, 1, 1, 0, vis
->depth
, InputOutput
,
460 vis
->visual
, CWBorderPixel
| CWOverrideRedirect
| CWColormap
, &attr
)))
461 XMapWindow( gdi_display
, win
);
465 if(pglXMakeCurrent(gdi_display
, win
, ctx
) == 0)
467 ERR_(winediag
)( "Unable to activate OpenGL context, most likely your OpenGL drivers haven't been installed correctly\n" );
470 gl_renderer
= (const char *)opengl_funcs
.gl
.p_glGetString(GL_RENDERER
);
471 WineGLInfo
.glVersion
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_VERSION
);
472 str
= (const char *) opengl_funcs
.gl
.p_glGetString(GL_EXTENSIONS
);
473 WineGLInfo
.glExtensions
= HeapAlloc(GetProcessHeap(), 0, strlen(str
)+1);
474 strcpy(WineGLInfo
.glExtensions
, str
);
476 /* Get the common GLX version supported by GLX client and server ( major/minor) */
477 pglXQueryVersion(gdi_display
, &WineGLInfo
.glxVersion
[0], &WineGLInfo
.glxVersion
[1]);
479 WineGLInfo
.glxServerVersion
= pglXQueryServerString(gdi_display
, screen
, GLX_VERSION
);
480 WineGLInfo
.glxServerVendor
= pglXQueryServerString(gdi_display
, screen
, GLX_VENDOR
);
481 WineGLInfo
.glxServerExtensions
= pglXQueryServerString(gdi_display
, screen
, GLX_EXTENSIONS
);
483 WineGLInfo
.glxClientVersion
= pglXGetClientString(gdi_display
, GLX_VERSION
);
484 WineGLInfo
.glxClientVendor
= pglXGetClientString(gdi_display
, GLX_VENDOR
);
485 WineGLInfo
.glxClientExtensions
= pglXGetClientString(gdi_display
, GLX_EXTENSIONS
);
487 WineGLInfo
.glxExtensions
= pglXQueryExtensionsString(gdi_display
, screen
);
488 WineGLInfo
.glxDirect
= pglXIsDirect(gdi_display
, ctx
);
490 TRACE("GL version : %s.\n", WineGLInfo
.glVersion
);
491 TRACE("GL renderer : %s.\n", gl_renderer
);
492 TRACE("GLX version : %d.%d.\n", WineGLInfo
.glxVersion
[0], WineGLInfo
.glxVersion
[1]);
493 TRACE("Server GLX version : %s.\n", WineGLInfo
.glxServerVersion
);
494 TRACE("Server GLX vendor: : %s.\n", WineGLInfo
.glxServerVendor
);
495 TRACE("Client GLX version : %s.\n", WineGLInfo
.glxClientVersion
);
496 TRACE("Client GLX vendor: : %s.\n", WineGLInfo
.glxClientVendor
);
497 TRACE("Direct rendering enabled: %s\n", WineGLInfo
.glxDirect
? "True" : "False");
499 if(!WineGLInfo
.glxDirect
)
501 int fd
= ConnectionNumber(gdi_display
);
502 struct sockaddr_un uaddr
;
503 unsigned int uaddrlen
= sizeof(struct sockaddr_un
);
505 /* In general indirect rendering on a local X11 server indicates a driver problem.
506 * Detect a local X11 server by checking whether the X11 socket is a Unix socket.
508 if(!getsockname(fd
, (struct sockaddr
*)&uaddr
, &uaddrlen
) && uaddr
.sun_family
== AF_UNIX
)
509 ERR_(winediag
)("Direct rendering is disabled, most likely your OpenGL drivers "
510 "haven't been installed correctly (using GL renderer %s, version %s).\n",
511 debugstr_a(gl_renderer
), debugstr_a(WineGLInfo
.glVersion
));
515 /* In general you would expect that if direct rendering is returned, that you receive hardware
516 * accelerated OpenGL rendering. The definition of direct rendering is that rendering is performed
517 * client side without sending all GL commands to X using the GLX protocol. When Mesa falls back to
518 * software rendering, it shows direct rendering.
520 * Depending on the cause of software rendering a different rendering string is shown. In case Mesa fails
521 * to load a DRI module 'Software Rasterizer' is returned. When Mesa is compiled as a OpenGL reference driver
522 * it shows 'Mesa X11'.
524 if(!strcmp(gl_renderer
, "Software Rasterizer") || !strcmp(gl_renderer
, "Mesa X11"))
525 ERR_(winediag
)("The Mesa OpenGL driver is using software rendering, most likely your OpenGL "
526 "drivers haven't been installed correctly (using GL renderer %s, version %s).\n",
527 debugstr_a(gl_renderer
), debugstr_a(WineGLInfo
.glVersion
));
534 pglXMakeCurrent(gdi_display
, None
, NULL
);
535 pglXDestroyContext(gdi_display
, ctx
);
537 if (win
!= root
) XDestroyWindow( gdi_display
, win
);
538 if (attr
.colormap
) XFreeColormap( gdi_display
, attr
.colormap
);
539 if (!ret
) ERR(" couldn't initialize OpenGL, expect problems\n");
543 static BOOL
has_opengl(void)
545 static int init_done
;
546 static void *opengl_handle
;
549 int error_base
, event_base
;
552 if (init_done
) return (opengl_handle
!= NULL
);
555 /* No need to load any other libraries as according to the ABI, libGL should be self-sufficient
556 and include all dependencies */
557 opengl_handle
= wine_dlopen(SONAME_LIBGL
, RTLD_NOW
|RTLD_GLOBAL
, buffer
, sizeof(buffer
));
558 if (opengl_handle
== NULL
)
560 ERR( "Failed to load libGL: %s\n", buffer
);
561 ERR( "OpenGL support is disabled.\n");
565 for (i
= 0; i
< sizeof(opengl_func_names
)/sizeof(opengl_func_names
[0]); i
++)
567 if (!(((void **)&opengl_funcs
.gl
)[i
] = wine_dlsym( opengl_handle
, opengl_func_names
[i
], NULL
, 0 )))
569 ERR( "%s not found in libGL, disabling OpenGL.\n", opengl_func_names
[i
] );
574 /* redirect some standard OpenGL functions */
575 #define REDIRECT(func) \
576 do { p##func = opengl_funcs.gl.p_##func; opengl_funcs.gl.p_##func = w##func; } while(0)
577 REDIRECT( glFinish
);
581 pglXGetProcAddressARB
= wine_dlsym(opengl_handle
, "glXGetProcAddressARB", NULL
, 0);
582 if (pglXGetProcAddressARB
== NULL
) {
583 ERR("Could not find glXGetProcAddressARB in libGL, disabling OpenGL.\n");
587 #define LOAD_FUNCPTR(f) do if((p##f = (void*)pglXGetProcAddressARB((const unsigned char*)#f)) == NULL) \
589 ERR( "%s not found in libGL, disabling OpenGL.\n", #f ); \
594 LOAD_FUNCPTR(glXChooseVisual
);
595 LOAD_FUNCPTR(glXCopyContext
);
596 LOAD_FUNCPTR(glXCreateContext
);
597 LOAD_FUNCPTR(glXCreateGLXPixmap
);
598 LOAD_FUNCPTR(glXGetCurrentContext
);
599 LOAD_FUNCPTR(glXGetCurrentDrawable
);
600 LOAD_FUNCPTR(glXDestroyContext
);
601 LOAD_FUNCPTR(glXDestroyGLXPixmap
);
602 LOAD_FUNCPTR(glXGetConfig
);
603 LOAD_FUNCPTR(glXIsDirect
);
604 LOAD_FUNCPTR(glXMakeCurrent
);
605 LOAD_FUNCPTR(glXSwapBuffers
);
606 LOAD_FUNCPTR(glXQueryExtension
);
607 LOAD_FUNCPTR(glXQueryVersion
);
610 LOAD_FUNCPTR(glXGetClientString
);
611 LOAD_FUNCPTR(glXQueryExtensionsString
);
612 LOAD_FUNCPTR(glXQueryServerString
);
615 LOAD_FUNCPTR(glXCreatePbuffer
);
616 LOAD_FUNCPTR(glXCreateNewContext
);
617 LOAD_FUNCPTR(glXDestroyPbuffer
);
618 LOAD_FUNCPTR(glXMakeContextCurrent
);
619 LOAD_FUNCPTR(glXGetFBConfigs
);
622 /* It doesn't matter if these fail. They'll only be used if the driver reports
623 the associated extension is available (and if a driver reports the extension
624 is available but fails to provide the functions, it's quite broken) */
625 #define LOAD_FUNCPTR(f) p##f = pglXGetProcAddressARB((const GLubyte *)#f)
626 /* ARB GLX Extension */
627 LOAD_FUNCPTR(glXCreateContextAttribsARB
);
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 (pglXQueryExtension(gdi_display
, &error_base
, &event_base
)) {
638 TRACE("GLX is up and running error_base = %d\n", error_base
);
640 ERR( "GLX extension is missing, disabling OpenGL.\n" );
643 gl_hwnd_context
= XUniqueContext();
644 gl_pbuffer_context
= XUniqueContext();
646 /* In case of GLX you have direct and indirect rendering. Most of the time direct rendering is used
647 * as in general only that is hardware accelerated. In some cases like in case of remote X indirect
650 * The main problem for our OpenGL code is that we need certain GLX calls but their presence
651 * depends on the reported GLX client / server version and on the client / server extension list.
652 * Those don't have to be the same.
654 * In general the server GLX information lists the capabilities in case of indirect rendering.
655 * When direct rendering is used, the OpenGL client library is responsible for which GLX calls are
656 * available and in that case the client GLX informat can be used.
657 * OpenGL programs should use the 'intersection' of both sets of information which is advertised
658 * in the GLX version/extension list. When a program does this it works for certain for both
659 * direct and indirect rendering.
661 * The problem we are having in this area is that ATI's Linux drivers are broken. For some reason
662 * they haven't added some very important GLX extensions like GLX_SGIX_fbconfig to their client
663 * extension list which causes this extension not to be listed. (Wine requires this extension).
664 * ATI advertises a GLX client version of 1.3 which implies that this fbconfig extension among
665 * pbuffers is around.
667 * In order to provide users of Ati's proprietary drivers with OpenGL support, we need to detect
668 * the ATI drivers and from then on use GLX client information for them.
671 if(glxRequireVersion(3)) {
672 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
673 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
674 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
675 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
676 } else if (has_extension( WineGLInfo
.glxExtensions
, "GLX_SGIX_fbconfig")) {
677 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfigSGIX");
678 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttribSGIX");
679 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfigSGIX");
681 /* The mesa libGL client library seems to forward glXQueryDrawable to the Xserver, so only
682 * enable this function when the Xserver understand GLX 1.3 or newer
684 pglXQueryDrawable
= NULL
;
685 } else if(strcmp("ATI", WineGLInfo
.glxClientVendor
) == 0) {
686 TRACE("Overriding ATI GLX capabilities!\n");
687 pglXChooseFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXChooseFBConfig");
688 pglXGetFBConfigAttrib
= pglXGetProcAddressARB((const GLubyte
*) "glXGetFBConfigAttrib");
689 pglXGetVisualFromFBConfig
= pglXGetProcAddressARB((const GLubyte
*) "glXGetVisualFromFBConfig");
690 pglXQueryDrawable
= pglXGetProcAddressARB((const GLubyte
*) "glXQueryDrawable");
692 /* Use client GLX information in case of the ATI drivers. We override the
693 * capabilities over here and not somewhere else as ATI might better their
694 * life in the future. In case they release proper drivers this block of
695 * code won't be called. */
696 WineGLInfo
.glxExtensions
= WineGLInfo
.glxClientExtensions
;
698 ERR(" glx_version is %s and GLX_SGIX_fbconfig extension is unsupported. Expect problems.\n", WineGLInfo
.glxServerVersion
);
701 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_MESA_copy_sub_buffer")) {
702 pglXCopySubBufferMESA
= pglXGetProcAddressARB((const GLubyte
*) "glXCopySubBufferMESA");
705 X11DRV_WineGL_LoadExtensions();
706 init_pixel_formats( gdi_display
);
710 wine_dlclose(opengl_handle
, NULL
, 0);
711 opengl_handle
= NULL
;
715 static int describeContext( struct wgl_context
*ctx
) {
718 TRACE(" Context %p have (vis:%p):\n", ctx
, ctx
->vis
);
719 pglXGetFBConfigAttrib(gdi_display
, ctx
->fmt
->fbconfig
, GLX_FBCONFIG_ID
, &tmp
);
720 TRACE(" - FBCONFIG_ID 0x%x\n", tmp
);
721 pglXGetFBConfigAttrib(gdi_display
, ctx
->fmt
->fbconfig
, GLX_VISUAL_ID
, &tmp
);
722 TRACE(" - VISUAL_ID 0x%x\n", tmp
);
727 static int ConvertAttribWGLtoGLX(const int* iWGLAttr
, int* oGLXAttr
, struct wgl_pbuffer
* pbuf
) {
732 int nvfloatattrib
= GLX_DONT_CARE
;
733 int pixelattrib
= GLX_DONT_CARE
;
735 /* The list of WGL attributes is allowed to be NULL. We don't return here for NULL
736 * because we need to do fixups for GLX_DRAWABLE_TYPE/GLX_RENDER_TYPE/GLX_FLOAT_COMPONENTS_NV. */
737 while (iWGLAttr
&& 0 != iWGLAttr
[cur
]) {
738 TRACE("pAttr[%d] = %x\n", cur
, iWGLAttr
[cur
]);
740 switch (iWGLAttr
[cur
]) {
741 case WGL_AUX_BUFFERS_ARB
:
742 pop
= iWGLAttr
[++cur
];
743 PUSH2(oGLXAttr
, GLX_AUX_BUFFERS
, pop
);
744 TRACE("pAttr[%d] = GLX_AUX_BUFFERS: %d\n", cur
, pop
);
746 case WGL_COLOR_BITS_ARB
:
747 pop
= iWGLAttr
[++cur
];
748 PUSH2(oGLXAttr
, GLX_BUFFER_SIZE
, pop
);
749 TRACE("pAttr[%d] = GLX_BUFFER_SIZE: %d\n", cur
, pop
);
751 case WGL_BLUE_BITS_ARB
:
752 pop
= iWGLAttr
[++cur
];
753 PUSH2(oGLXAttr
, GLX_BLUE_SIZE
, pop
);
754 TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur
, pop
);
756 case WGL_RED_BITS_ARB
:
757 pop
= iWGLAttr
[++cur
];
758 PUSH2(oGLXAttr
, GLX_RED_SIZE
, pop
);
759 TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur
, pop
);
761 case WGL_GREEN_BITS_ARB
:
762 pop
= iWGLAttr
[++cur
];
763 PUSH2(oGLXAttr
, GLX_GREEN_SIZE
, pop
);
764 TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur
, pop
);
766 case WGL_ALPHA_BITS_ARB
:
767 pop
= iWGLAttr
[++cur
];
768 PUSH2(oGLXAttr
, GLX_ALPHA_SIZE
, pop
);
769 TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur
, pop
);
771 case WGL_DEPTH_BITS_ARB
:
772 pop
= iWGLAttr
[++cur
];
773 PUSH2(oGLXAttr
, GLX_DEPTH_SIZE
, pop
);
774 TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur
, pop
);
776 case WGL_STENCIL_BITS_ARB
:
777 pop
= iWGLAttr
[++cur
];
778 PUSH2(oGLXAttr
, GLX_STENCIL_SIZE
, pop
);
779 TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur
, pop
);
781 case WGL_DOUBLE_BUFFER_ARB
:
782 pop
= iWGLAttr
[++cur
];
783 PUSH2(oGLXAttr
, GLX_DOUBLEBUFFER
, pop
);
784 TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur
, pop
);
787 pop
= iWGLAttr
[++cur
];
788 PUSH2(oGLXAttr
, GLX_STEREO
, pop
);
789 TRACE("pAttr[%d] = GLX_STEREO: %d\n", cur
, pop
);
792 case WGL_PIXEL_TYPE_ARB
:
793 pop
= iWGLAttr
[++cur
];
794 TRACE("pAttr[%d] = WGL_PIXEL_TYPE_ARB: %d\n", cur
, pop
);
796 case WGL_TYPE_COLORINDEX_ARB
: pixelattrib
= GLX_COLOR_INDEX_BIT
; break ;
797 case WGL_TYPE_RGBA_ARB
: pixelattrib
= GLX_RGBA_BIT
; break ;
798 /* 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 */
799 case WGL_TYPE_RGBA_FLOAT_ATI
: pixelattrib
= GLX_RGBA_FLOAT_BIT
; break ;
800 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
: pixelattrib
= GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
; break ;
802 ERR("unexpected PixelType(%x)\n", pop
);
807 case WGL_SUPPORT_GDI_ARB
:
808 /* This flag is set in a pixel format */
809 pop
= iWGLAttr
[++cur
];
810 TRACE("pAttr[%d] = WGL_SUPPORT_GDI_ARB: %d\n", cur
, pop
);
813 case WGL_DRAW_TO_BITMAP_ARB
:
814 /* This flag is set in a pixel format */
815 pop
= iWGLAttr
[++cur
];
816 TRACE("pAttr[%d] = WGL_DRAW_TO_BITMAP_ARB: %d\n", cur
, pop
);
819 case WGL_DRAW_TO_WINDOW_ARB
:
820 pop
= iWGLAttr
[++cur
];
821 TRACE("pAttr[%d] = WGL_DRAW_TO_WINDOW_ARB: %d\n", cur
, pop
);
822 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
824 drawattrib
|= GLX_WINDOW_BIT
;
828 case WGL_DRAW_TO_PBUFFER_ARB
:
829 pop
= iWGLAttr
[++cur
];
830 TRACE("pAttr[%d] = WGL_DRAW_TO_PBUFFER_ARB: %d\n", cur
, pop
);
831 /* GLX_DRAWABLE_TYPE flags need to be OR'd together. See below. */
833 drawattrib
|= GLX_PBUFFER_BIT
;
837 case WGL_ACCELERATION_ARB
:
838 /* This flag is set in a pixel format */
839 pop
= iWGLAttr
[++cur
];
840 TRACE("pAttr[%d] = WGL_ACCELERATION_ARB: %d\n", cur
, pop
);
843 case WGL_SUPPORT_OPENGL_ARB
:
844 pop
= iWGLAttr
[++cur
];
845 /** nothing to do, if we are here, supposing support Accelerated OpenGL */
846 TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur
, pop
);
849 case WGL_SWAP_METHOD_ARB
:
850 pop
= iWGLAttr
[++cur
];
851 /* For now we ignore this and just return SWAP_EXCHANGE */
852 TRACE("pAttr[%d] = WGL_SWAP_METHOD_ARB: %#x\n", cur
, pop
);
855 case WGL_PBUFFER_LARGEST_ARB
:
856 pop
= iWGLAttr
[++cur
];
857 PUSH2(oGLXAttr
, GLX_LARGEST_PBUFFER
, pop
);
858 TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur
, pop
);
861 case WGL_SAMPLE_BUFFERS_ARB
:
862 pop
= iWGLAttr
[++cur
];
863 PUSH2(oGLXAttr
, GLX_SAMPLE_BUFFERS_ARB
, pop
);
864 TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur
, pop
);
867 case WGL_SAMPLES_ARB
:
868 pop
= iWGLAttr
[++cur
];
869 PUSH2(oGLXAttr
, GLX_SAMPLES_ARB
, pop
);
870 TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur
, pop
);
873 case WGL_TEXTURE_FORMAT_ARB
:
874 case WGL_TEXTURE_TARGET_ARB
:
875 case WGL_MIPMAP_TEXTURE_ARB
:
876 TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr
[cur
], iWGLAttr
[cur
+ 1]);
877 pop
= iWGLAttr
[++cur
];
879 ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr
[cur
]);
881 if (!use_render_texture_emulation
) {
882 if (WGL_NO_TEXTURE_ARB
!= pop
) {
883 ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr
[cur
]);
884 return -1; /** error: don't support it */
886 drawattrib
|= GLX_PBUFFER_BIT
;
890 case WGL_FLOAT_COMPONENTS_NV
:
891 nvfloatattrib
= iWGLAttr
[++cur
];
892 TRACE("pAttr[%d] = WGL_FLOAT_COMPONENTS_NV: %x\n", cur
, nvfloatattrib
);
894 case WGL_BIND_TO_TEXTURE_DEPTH_NV
:
895 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
896 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
897 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV
:
898 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV
:
899 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV
:
900 case WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV
:
901 pop
= iWGLAttr
[++cur
];
902 /** cannot be converted, see direct handling on
903 * - wglGetPixelFormatAttribivARB
904 * TODO: wglChoosePixelFormat
907 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
908 pop
= iWGLAttr
[++cur
];
909 PUSH2(oGLXAttr
, GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
, pop
);
910 TRACE("pAttr[%d] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT: %x\n", cur
, pop
);
913 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
914 pop
= iWGLAttr
[++cur
];
915 PUSH2(oGLXAttr
, GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
, pop
);
916 TRACE("pAttr[%d] = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT: %x\n", cur
, pop
);
919 FIXME("unsupported %x WGL Attribute\n", iWGLAttr
[cur
]);
925 /* By default glXChooseFBConfig defaults to GLX_WINDOW_BIT. wglChoosePixelFormatARB searches through
926 * all formats. Unless drawattrib is set to a non-zero value override it with GLX_DONT_CARE, so that
927 * pixmap and pbuffer formats appear as well. */
928 if (!drawattrib
) drawattrib
= GLX_DONT_CARE
;
929 PUSH2(oGLXAttr
, GLX_DRAWABLE_TYPE
, drawattrib
);
930 TRACE("pAttr[?] = GLX_DRAWABLE_TYPE: %#x\n", drawattrib
);
932 /* By default glXChooseFBConfig uses GLX_RGBA_BIT as the default value. Since wglChoosePixelFormatARB
933 * searches in all formats we have to do the same. For this reason we set GLX_RENDER_TYPE to
934 * GLX_DONT_CARE unless it is overridden. */
935 PUSH2(oGLXAttr
, GLX_RENDER_TYPE
, pixelattrib
);
936 TRACE("pAttr[?] = GLX_RENDER_TYPE: %#x\n", pixelattrib
);
938 /* Set GLX_FLOAT_COMPONENTS_NV all the time */
939 if (has_extension(WineGLInfo
.glxExtensions
, "GLX_NV_float_buffer")) {
940 PUSH2(oGLXAttr
, GLX_FLOAT_COMPONENTS_NV
, nvfloatattrib
);
941 TRACE("pAttr[?] = GLX_FLOAT_COMPONENTS_NV: %#x\n", nvfloatattrib
);
947 static int get_render_type_from_fbconfig(Display
*display
, GLXFBConfig fbconfig
)
949 int render_type
=0, render_type_bit
;
950 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_RENDER_TYPE
, &render_type_bit
);
951 switch(render_type_bit
)
954 render_type
= GLX_RGBA_TYPE
;
956 case GLX_COLOR_INDEX_BIT
:
957 render_type
= GLX_COLOR_INDEX_TYPE
;
959 case GLX_RGBA_FLOAT_BIT
:
960 render_type
= GLX_RGBA_FLOAT_TYPE
;
962 case GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
:
963 render_type
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
966 ERR("Unknown render_type: %x\n", render_type_bit
);
971 /* Check whether a fbconfig is suitable for Windows-style bitmap rendering */
972 static BOOL
check_fbconfig_bitmap_capability(Display
*display
, GLXFBConfig fbconfig
)
975 pglXGetFBConfigAttrib(display
, fbconfig
, GLX_DOUBLEBUFFER
, &dbuf
);
976 pglXGetFBConfigAttrib(gdi_display
, fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
978 /* Windows only supports bitmap rendering on single buffered formats, further the fbconfig needs to have
979 * the GLX_PIXMAP_BIT set. */
980 return !dbuf
&& (value
& GLX_PIXMAP_BIT
);
983 static void init_pixel_formats( Display
*display
)
985 struct wgl_pixel_format
*list
;
986 int size
= 0, onscreen_size
= 0;
987 int fmt_id
, nCfgs
, i
, run
, bmp_formats
;
989 XVisualInfo
*visinfo
;
991 cfgs
= pglXGetFBConfigs(display
, DefaultScreen(display
), &nCfgs
);
992 if (NULL
== cfgs
|| 0 == nCfgs
) {
993 if(cfgs
!= NULL
) XFree(cfgs
);
994 ERR("glXChooseFBConfig returns NULL\n");
998 /* Bitmap rendering on Windows implies the use of the Microsoft GDI software renderer.
999 * Further most GLX drivers only offer pixmap rendering using indirect rendering (except for modern drivers which support 'AIGLX' / composite).
1000 * Indirect rendering can indicate software rendering (on Nvidia it is hw accelerated)
1001 * Since bitmap rendering implies the use of software rendering we can safely use indirect rendering for bitmaps.
1003 * Below we count the number of formats which are suitable for bitmap rendering. Windows restricts bitmap rendering to single buffered formats.
1005 for(i
=0, bmp_formats
=0; i
<nCfgs
; i
++)
1007 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
1010 TRACE("Found %d bitmap capable fbconfigs\n", bmp_formats
);
1012 list
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, (nCfgs
+ bmp_formats
) * sizeof(*list
));
1014 /* Fill the pixel format list. Put onscreen formats at the top and offscreen ones at the bottom.
1015 * Do this as GLX doesn't guarantee that the list is sorted */
1016 for(run
=0; run
< 2; run
++)
1018 for(i
=0; i
<nCfgs
; i
++) {
1019 pglXGetFBConfigAttrib(display
, cfgs
[i
], GLX_FBCONFIG_ID
, &fmt_id
);
1020 visinfo
= pglXGetVisualFromFBConfig(display
, cfgs
[i
]);
1022 /* The first run we only add onscreen formats (ones which have an associated X Visual).
1023 * The second run we only set offscreen formats. */
1026 /* We implement child window rendering using offscreen buffers (using composite or an XPixmap).
1027 * The contents is copied to the destination using XCopyArea. For the copying to work
1028 * the depth of the source and destination window should be the same. In general this should
1029 * not be a problem for OpenGL as drivers only advertise formats with a similar depth (or no depth).
1030 * As of the introduction of composition managers at least Nvidia now also offers ARGB visuals
1031 * with a depth of 32 in addition to the default 24 bit. In order to prevent BadMatch errors we only
1032 * list formats with the same depth. */
1033 if(visinfo
->depth
!= default_visual
.depth
)
1039 TRACE("Found onscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1040 list
[size
].fbconfig
= cfgs
[i
];
1041 list
[size
].fmt_id
= fmt_id
;
1042 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1043 list
[size
].dwFlags
= 0;
1047 /* Clone a format if it is bitmap capable for indirect rendering to bitmaps */
1048 if(check_fbconfig_bitmap_capability(display
, cfgs
[i
]))
1050 TRACE("Found bitmap capable format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1051 list
[size
].fbconfig
= cfgs
[i
];
1052 list
[size
].fmt_id
= fmt_id
;
1053 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1054 list
[size
].dwFlags
= PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
| PFD_GENERIC_FORMAT
;
1058 } else if(run
&& !visinfo
) {
1059 int window_drawable
=0;
1060 pglXGetFBConfigAttrib(gdi_display
, cfgs
[i
], GLX_DRAWABLE_TYPE
, &window_drawable
);
1062 /* Recent Nvidia drivers and DRI drivers offer window drawable formats without a visual.
1063 * This are formats like 16-bit rgb on a 24-bit desktop. In order to support these formats
1064 * onscreen we would have to use glXCreateWindow instead of XCreateWindow. Further it will
1065 * likely make our child window opengl rendering more complicated since likely you can't use
1066 * XCopyArea on a GLX Window.
1067 * For now ignore fbconfigs which are window drawable but lack a visual. */
1068 if(window_drawable
& GLX_WINDOW_BIT
)
1070 TRACE("Skipping FBCONFIG_ID 0x%x as an offscreen format because it is window_drawable\n", fmt_id
);
1074 TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", fmt_id
, size
+1, i
);
1075 list
[size
].fbconfig
= cfgs
[i
];
1076 list
[size
].fmt_id
= fmt_id
;
1077 list
[size
].render_type
= get_render_type_from_fbconfig(display
, cfgs
[i
]);
1078 list
[size
].dwFlags
= 0;
1082 if (visinfo
) XFree(visinfo
);
1088 pixel_formats
= list
;
1089 nb_pixel_formats
= size
;
1090 nb_onscreen_formats
= onscreen_size
;
1093 static inline BOOL
is_valid_pixel_format( int format
)
1095 return format
> 0 && format
<= nb_pixel_formats
;
1098 static inline BOOL
is_onscreen_pixel_format( int format
)
1100 return format
> 0 && format
<= nb_onscreen_formats
;
1103 static inline int pixel_format_index( const struct wgl_pixel_format
*format
)
1105 return format
- pixel_formats
+ 1;
1108 /* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
1109 * In our WGL implementation we only support a subset of these formats namely the format of
1110 * Wine's main visual and offscreen formats (if they are available).
1111 * This function converts a WGL format to its corresponding GLX one.
1113 static const struct wgl_pixel_format
*get_pixel_format(Display
*display
, int iPixelFormat
, BOOL AllowOffscreen
)
1115 /* Check if the pixelformat is valid. Note that it is legal to pass an invalid
1116 * iPixelFormat in case of probing the number of pixelformats.
1118 if (is_valid_pixel_format( iPixelFormat
) &&
1119 (is_onscreen_pixel_format( iPixelFormat
) || AllowOffscreen
)) {
1120 TRACE("Returning fmt_id=%#x for iPixelFormat=%d\n",
1121 pixel_formats
[iPixelFormat
-1].fmt_id
, iPixelFormat
);
1122 return &pixel_formats
[iPixelFormat
-1];
1127 /* Mark any allocated context using the glx drawable 'old' to use 'new' */
1128 static void mark_drawable_dirty(Drawable old
, Drawable
new)
1130 struct wgl_context
*ctx
;
1132 LIST_FOR_EACH_ENTRY( ctx
, &context_list
, struct wgl_context
, entry
)
1134 if (old
== ctx
->drawables
[0]) {
1135 ctx
->drawables
[0] = new;
1136 ctx
->refresh_drawables
= TRUE
;
1138 if (old
== ctx
->drawables
[1]) {
1139 ctx
->drawables
[1] = new;
1140 ctx
->refresh_drawables
= TRUE
;
1145 /* Given the current context, make sure its drawable is sync'd */
1146 static inline void sync_context(struct wgl_context
*context
)
1148 if (context
->refresh_drawables
) {
1149 if (glxRequireVersion(3))
1150 pglXMakeContextCurrent(gdi_display
, context
->drawables
[0],
1151 context
->drawables
[1], context
->ctx
);
1153 pglXMakeCurrent(gdi_display
, context
->drawables
[0], context
->ctx
);
1154 context
->refresh_drawables
= FALSE
;
1158 static struct gl_drawable
*get_gl_drawable( HWND hwnd
, HDC hdc
)
1160 struct gl_drawable
*gl
;
1162 EnterCriticalSection( &context_section
);
1163 if (hwnd
&& !XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
)) return gl
;
1164 if (hdc
&& !XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
)) return gl
;
1165 LeaveCriticalSection( &context_section
);
1169 static void release_gl_drawable( struct gl_drawable
*gl
)
1171 if (gl
) LeaveCriticalSection( &context_section
);
1174 static GLXContext
create_glxcontext(Display
*display
, struct wgl_context
*context
, GLXContext shareList
)
1178 /* We use indirect rendering for rendering to bitmaps. See get_formats for a comment about this. */
1179 BOOL indirect
= !(context
->fmt
->dwFlags
& PFD_DRAW_TO_BITMAP
);
1181 if(context
->gl3_context
)
1183 if(context
->numAttribs
)
1184 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, indirect
, context
->attribList
);
1186 ctx
= pglXCreateContextAttribsARB(gdi_display
, context
->fmt
->fbconfig
, shareList
, indirect
, NULL
);
1188 else if(context
->vis
)
1189 ctx
= pglXCreateContext(gdi_display
, context
->vis
, shareList
, indirect
);
1190 else /* Create a GLX Context for a pbuffer */
1191 ctx
= pglXCreateNewContext(gdi_display
, context
->fmt
->fbconfig
, context
->fmt
->render_type
, shareList
, TRUE
);
1197 /***********************************************************************
1200 static void free_gl_drawable( struct gl_drawable
*gl
)
1205 case DC_GL_CHILD_WIN
:
1206 XDestroyWindow( gdi_display
, gl
->drawable
);
1207 XFreeColormap( gdi_display
, gl
->colormap
);
1209 case DC_GL_PIXMAP_WIN
:
1210 pglXDestroyGLXPixmap( gdi_display
, gl
->drawable
);
1211 XFreePixmap( gdi_display
, gl
->pixmap
);
1216 if (gl
->visual
) XFree( gl
->visual
);
1217 HeapFree( GetProcessHeap(), 0, gl
);
1221 /***********************************************************************
1222 * create_gl_drawable
1224 static BOOL
create_gl_drawable( HWND hwnd
, HWND parent
, struct gl_drawable
*gl
)
1226 XSetWindowAttributes attrib
;
1230 if (GetAncestor( hwnd
, GA_PARENT
) == GetDesktopWindow()) /* top-level window */
1232 Window parent
= X11DRV_get_whole_window( hwnd
);
1234 gl
->type
= DC_GL_WINDOW
;
1235 gl
->colormap
= XCreateColormap( gdi_display
, root_window
, gl
->visual
->visual
,
1236 (gl
->visual
->class == PseudoColor
||
1237 gl
->visual
->class == GrayScale
||
1238 gl
->visual
->class == DirectColor
) ? AllocAll
: AllocNone
);
1239 attrib
.colormap
= gl
->colormap
;
1240 attrib
.bit_gravity
= NorthWestGravity
;
1241 attrib
.win_gravity
= NorthWestGravity
;
1242 attrib
.backing_store
= NotUseful
;
1243 /* put the initial rect outside of the window, it will be moved into place by SetWindowPos */
1244 OffsetRect( &gl
->rect
, gl
->rect
.right
, gl
->rect
.bottom
);
1246 gl
->drawable
= XCreateWindow( gdi_display
, parent
, gl
->rect
.left
, gl
->rect
.top
,
1247 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1248 0, default_visual
.depth
, InputOutput
, gl
->visual
->visual
,
1249 CWBitGravity
| CWWinGravity
| CWBackingStore
| CWColormap
,
1252 XMapWindow( gdi_display
, gl
->drawable
);
1254 XFreeColormap( gdi_display
, gl
->colormap
);
1256 #ifdef SONAME_LIBXCOMPOSITE
1257 else if(usexcomposite
)
1259 static Window dummy_parent
;
1261 attrib
.override_redirect
= True
;
1264 dummy_parent
= XCreateWindow( gdi_display
, root_window
, -1, -1, 1, 1, 0, default_visual
.depth
,
1265 InputOutput
, default_visual
.visual
, CWOverrideRedirect
, &attrib
);
1266 XMapWindow( gdi_display
, dummy_parent
);
1268 gl
->colormap
= XCreateColormap(gdi_display
, dummy_parent
, gl
->visual
->visual
,
1269 (gl
->visual
->class == PseudoColor
||
1270 gl
->visual
->class == GrayScale
||
1271 gl
->visual
->class == DirectColor
) ?
1272 AllocAll
: AllocNone
);
1273 attrib
.colormap
= gl
->colormap
;
1274 XInstallColormap(gdi_display
, attrib
.colormap
);
1276 gl
->type
= DC_GL_CHILD_WIN
;
1277 gl
->drawable
= XCreateWindow( gdi_display
, dummy_parent
, 0, 0,
1278 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1279 0, gl
->visual
->depth
, InputOutput
, gl
->visual
->visual
,
1280 CWColormap
| CWOverrideRedirect
, &attrib
);
1283 pXCompositeRedirectWindow(gdi_display
, gl
->drawable
, CompositeRedirectManual
);
1284 XMapWindow(gdi_display
, gl
->drawable
);
1286 else XFreeColormap( gdi_display
, gl
->colormap
);
1291 WARN("XComposite is not available, using GLXPixmap hack\n");
1293 gl
->type
= DC_GL_PIXMAP_WIN
;
1294 gl
->pixmap
= XCreatePixmap( gdi_display
, root_window
,
1295 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
,
1296 gl
->visual
->depth
);
1299 gl
->drawable
= pglXCreateGLXPixmap( gdi_display
, gl
->visual
, gl
->pixmap
);
1300 if (!gl
->drawable
) XFreePixmap( gdi_display
, gl
->pixmap
);
1304 return gl
->drawable
!= 0;
1308 /***********************************************************************
1311 static BOOL
set_win_format( HWND hwnd
, const struct wgl_pixel_format
*format
)
1313 HWND parent
= GetAncestor( hwnd
, GA_PARENT
);
1314 struct gl_drawable
*gl
, *prev
;
1316 gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) );
1317 gl
->format
= format
;
1318 gl
->visual
= pglXGetVisualFromFBConfig( gdi_display
, format
->fbconfig
);
1321 HeapFree( GetProcessHeap(), 0, gl
);
1325 GetClientRect( hwnd
, &gl
->rect
);
1326 gl
->rect
.right
= min( max( 1, gl
->rect
.right
), 65535 );
1327 gl
->rect
.bottom
= min( max( 1, gl
->rect
.bottom
), 65535 );
1329 if (!create_gl_drawable( hwnd
, parent
, gl
))
1331 XFree( gl
->visual
);
1332 HeapFree( GetProcessHeap(), 0, gl
);
1336 TRACE("created GL drawable %lx for win %p format %x\n", gl
->drawable
, hwnd
, format
->fmt_id
);
1338 XFlush( gdi_display
);
1340 EnterCriticalSection( &context_section
);
1341 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&prev
))
1342 free_gl_drawable( prev
);
1343 XSaveContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char *)gl
);
1344 LeaveCriticalSection( &context_section
);
1346 __wine_set_pixel_format( hwnd
, pixel_format_index( format
));
1350 /***********************************************************************
1353 void sync_gl_drawable( HWND hwnd
, const RECT
*visible_rect
, const RECT
*client_rect
)
1355 struct gl_drawable
*gl
;
1359 XWindowChanges changes
;
1361 changes
.x
= client_rect
->left
- visible_rect
->left
;
1362 changes
.y
= client_rect
->top
- visible_rect
->top
;
1363 changes
.width
= min( max( 1, client_rect
->right
- client_rect
->left
), 65535 );
1364 changes
.height
= min( max( 1, client_rect
->bottom
- client_rect
->top
), 65535 );
1366 if (!(gl
= get_gl_drawable( hwnd
, 0 ))) return;
1368 if (changes
.width
!= gl
->rect
.right
- gl
->rect
.left
) mask
|= CWWidth
;
1369 if (changes
.height
!= gl
->rect
.bottom
- gl
->rect
.top
) mask
|= CWHeight
;
1371 TRACE( "setting drawable %lx pos %d,%d,%dx%d\n",
1372 gl
->drawable
, changes
.x
, changes
.y
, changes
.width
, changes
.height
);
1377 if (changes
.x
!= gl
->rect
.left
) mask
|= CWX
;
1378 if (changes
.y
!= gl
->rect
.top
) mask
|= CWY
;
1380 case DC_GL_CHILD_WIN
:
1381 if (mask
) XConfigureWindow( gdi_display
, gl
->drawable
, mask
, &changes
);
1383 case DC_GL_PIXMAP_WIN
:
1385 pix
= XCreatePixmap(gdi_display
, root_window
, changes
.width
, changes
.height
, gl
->visual
->depth
);
1386 if (!pix
) goto done
;
1387 glxp
= pglXCreateGLXPixmap(gdi_display
, gl
->visual
, pix
);
1390 XFreePixmap(gdi_display
, pix
);
1393 mark_drawable_dirty(gl
->drawable
, glxp
);
1394 XFlush( gdi_display
);
1396 XFreePixmap(gdi_display
, gl
->pixmap
);
1397 pglXDestroyGLXPixmap(gdi_display
, gl
->drawable
);
1398 TRACE( "Recreated GL drawable %lx to replace %lx\n", glxp
, gl
->drawable
);
1401 gl
->drawable
= glxp
;
1406 SetRect( &gl
->rect
, changes
.x
, changes
.y
, changes
.x
+ changes
.width
, changes
.y
+ changes
.height
);
1408 release_gl_drawable( gl
);
1412 /***********************************************************************
1413 * set_gl_drawable_parent
1415 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
1417 struct gl_drawable
*gl
;
1418 Drawable old_drawable
;
1420 if (!(gl
= get_gl_drawable( hwnd
, 0 ))) return;
1422 TRACE( "setting drawable %lx parent %p\n", gl
->drawable
, parent
);
1424 old_drawable
= gl
->drawable
;
1428 XDestroyWindow( gdi_display
, gl
->drawable
);
1429 XFreeColormap( gdi_display
, gl
->colormap
);
1431 case DC_GL_CHILD_WIN
:
1432 if (parent
!= GetDesktopWindow()) goto done
;
1433 XDestroyWindow( gdi_display
, gl
->drawable
);
1434 XFreeColormap( gdi_display
, gl
->colormap
);
1436 case DC_GL_PIXMAP_WIN
:
1437 if (parent
!= GetDesktopWindow()) goto done
;
1438 pglXDestroyGLXPixmap( gdi_display
, gl
->drawable
);
1439 XFreePixmap( gdi_display
, gl
->pixmap
);
1445 if (!create_gl_drawable( hwnd
, parent
, gl
))
1447 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1448 release_gl_drawable( gl
);
1449 XFree( gl
->visual
);
1450 HeapFree( GetProcessHeap(), 0, gl
);
1451 __wine_set_pixel_format( hwnd
, 0 );
1454 mark_drawable_dirty( old_drawable
, gl
->drawable
);
1457 release_gl_drawable( gl
);
1462 /***********************************************************************
1463 * destroy_gl_drawable
1465 void destroy_gl_drawable( HWND hwnd
)
1467 struct gl_drawable
*gl
;
1469 EnterCriticalSection( &context_section
);
1470 if (!XFindContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
, (char **)&gl
))
1472 XDeleteContext( gdi_display
, (XID
)hwnd
, gl_hwnd_context
);
1473 free_gl_drawable( gl
);
1475 LeaveCriticalSection( &context_section
);
1480 * glxdrv_DescribePixelFormat
1482 * Get the pixel-format descriptor associated to the given id
1484 static int glxdrv_wglDescribePixelFormat( HDC hdc
, int iPixelFormat
,
1485 UINT nBytes
, PIXELFORMATDESCRIPTOR
*ppfd
)
1487 /*XVisualInfo *vis;*/
1490 const struct wgl_pixel_format
*fmt
;
1492 if (!has_opengl()) return 0;
1494 TRACE("(%p,%d,%d,%p)\n", hdc
, iPixelFormat
, nBytes
, ppfd
);
1496 if (!ppfd
) return nb_onscreen_formats
;
1498 /* 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 */
1499 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, FALSE
/* Offscreen */);
1501 WARN("unexpected format %d\n", iPixelFormat
);
1505 if (nBytes
< sizeof(PIXELFORMATDESCRIPTOR
)) {
1506 ERR("Wrong structure size !\n");
1507 /* Should set error */
1511 memset(ppfd
, 0, sizeof(PIXELFORMATDESCRIPTOR
));
1512 ppfd
->nSize
= sizeof(PIXELFORMATDESCRIPTOR
);
1515 /* These flags are always the same... */
1516 ppfd
->dwFlags
= PFD_SUPPORT_OPENGL
;
1517 /* Now the flags extracted from the Visual */
1519 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1520 if(value
& GLX_WINDOW_BIT
)
1521 ppfd
->dwFlags
|= PFD_DRAW_TO_WINDOW
;
1523 /* On Windows bitmap rendering is only offered using the GDI Software renderer. We reserve some formats (see get_formats for more info)
1524 * for bitmap rendering since we require indirect rendering for this. Further pixel format logs of a GeforceFX, Geforce8800GT, Radeon HD3400 and a
1525 * 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
1526 * offered the GDI bit either. */
1527 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_DRAW_TO_BITMAP
| PFD_SUPPORT_GDI
);
1529 /* PFD_GENERIC_FORMAT - gdi software rendering
1530 * PFD_GENERIC_ACCELERATED - some parts are accelerated by a display driver (MCD e.g. 3dfx minigl)
1531 * none set - full hardware accelerated by a ICD
1533 * We only set PFD_GENERIC_FORMAT on bitmap formats (see get_formats) as that's what ATI and Nvidia Windows drivers do */
1534 ppfd
->dwFlags
|= fmt
->dwFlags
& (PFD_GENERIC_FORMAT
| PFD_GENERIC_ACCELERATED
);
1536 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DOUBLEBUFFER
, &value
);
1538 ppfd
->dwFlags
|= PFD_DOUBLEBUFFER
;
1539 ppfd
->dwFlags
&= ~PFD_SUPPORT_GDI
;
1541 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STEREO
, &value
); if (value
) ppfd
->dwFlags
|= PFD_STEREO
;
1544 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RENDER_TYPE
, &value
);
1545 if (value
& GLX_RGBA_BIT
)
1546 ppfd
->iPixelType
= PFD_TYPE_RGBA
;
1548 ppfd
->iPixelType
= PFD_TYPE_COLORINDEX
;
1551 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BUFFER_SIZE
, &value
);
1552 ppfd
->cColorBits
= value
;
1554 /* Red, green, blue and alpha bits / shifts */
1555 if (ppfd
->iPixelType
== PFD_TYPE_RGBA
) {
1556 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_RED_SIZE
, &rb
);
1557 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_GREEN_SIZE
, &gb
);
1558 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_BLUE_SIZE
, &bb
);
1559 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ALPHA_SIZE
, &ab
);
1561 ppfd
->cRedBits
= rb
;
1562 ppfd
->cRedShift
= gb
+ bb
+ ab
;
1563 ppfd
->cBlueBits
= bb
;
1564 ppfd
->cBlueShift
= ab
;
1565 ppfd
->cGreenBits
= gb
;
1566 ppfd
->cGreenShift
= bb
+ ab
;
1567 ppfd
->cAlphaBits
= ab
;
1568 ppfd
->cAlphaShift
= 0;
1571 ppfd
->cRedShift
= 0;
1572 ppfd
->cBlueBits
= 0;
1573 ppfd
->cBlueShift
= 0;
1574 ppfd
->cGreenBits
= 0;
1575 ppfd
->cGreenShift
= 0;
1576 ppfd
->cAlphaBits
= 0;
1577 ppfd
->cAlphaShift
= 0;
1580 /* Accum RGBA bits */
1581 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &rb
);
1582 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &gb
);
1583 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &bb
);
1584 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &ab
);
1586 ppfd
->cAccumBits
= rb
+gb
+bb
+ab
;
1587 ppfd
->cAccumRedBits
= rb
;
1588 ppfd
->cAccumGreenBits
= gb
;
1589 ppfd
->cAccumBlueBits
= bb
;
1590 ppfd
->cAccumAlphaBits
= ab
;
1593 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_AUX_BUFFERS
, &value
);
1594 ppfd
->cAuxBuffers
= value
;
1597 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DEPTH_SIZE
, &value
);
1598 ppfd
->cDepthBits
= value
;
1601 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_STENCIL_SIZE
, &value
);
1602 ppfd
->cStencilBits
= value
;
1604 ppfd
->iLayerType
= PFD_MAIN_PLANE
;
1606 if (TRACE_ON(wgl
)) {
1607 dump_PIXELFORMATDESCRIPTOR(ppfd
);
1610 return nb_onscreen_formats
;
1613 /***********************************************************************
1614 * glxdrv_wglGetPixelFormat
1616 static int glxdrv_wglGetPixelFormat( HDC hdc
)
1618 struct gl_drawable
*gl
;
1621 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1623 ret
= pixel_format_index( gl
->format
);
1624 /* Offscreen formats can't be used with traditional WGL calls.
1625 * As has been verified on Windows GetPixelFormat doesn't fail but returns iPixelFormat=1. */
1626 if (!is_onscreen_pixel_format( ret
)) ret
= 1;
1627 release_gl_drawable( gl
);
1629 TRACE( "%p -> %d\n", hdc
, ret
);
1633 /***********************************************************************
1634 * glxdrv_wglSetPixelFormat
1636 static BOOL
glxdrv_wglSetPixelFormat( HDC hdc
, int iPixelFormat
, const PIXELFORMATDESCRIPTOR
*ppfd
)
1638 const struct wgl_pixel_format
*fmt
;
1640 struct gl_drawable
*gl
;
1641 HWND hwnd
= WindowFromDC( hdc
);
1643 TRACE("(%p,%d,%p)\n", hdc
, iPixelFormat
, ppfd
);
1645 if (!hwnd
|| hwnd
== GetDesktopWindow())
1647 WARN( "not a proper window DC %p/%p\n", hdc
, hwnd
);
1651 /* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
1652 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, FALSE
/* Offscreen */);
1654 ERR("Invalid iPixelFormat: %d\n", iPixelFormat
);
1658 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1659 if (!(value
& GLX_WINDOW_BIT
))
1661 WARN("Pixel format %d is not compatible for window rendering\n", iPixelFormat
);
1665 if ((gl
= get_gl_drawable( hwnd
, hdc
)))
1667 int prev
= pixel_format_index( gl
->format
);
1668 release_gl_drawable( gl
);
1669 return prev
== iPixelFormat
; /* cannot change it if already set */
1672 if (TRACE_ON(wgl
)) {
1675 gl_test
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_FBCONFIG_ID
, &value
);
1677 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
1679 TRACE(" FBConfig have :\n");
1680 TRACE(" - FBCONFIG_ID 0x%x\n", value
);
1681 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_VISUAL_ID
, &value
);
1682 TRACE(" - VISUAL_ID 0x%x\n", value
);
1683 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
1684 TRACE(" - DRAWABLE_TYPE 0x%x\n", value
);
1688 return set_win_format( hwnd
, fmt
);
1691 /***********************************************************************
1692 * glxdrv_wglCopyContext
1694 static BOOL
glxdrv_wglCopyContext(struct wgl_context
*src
, struct wgl_context
*dst
, UINT mask
)
1696 TRACE("%p -> %p mask %#x\n", src
, dst
, mask
);
1698 pglXCopyContext(gdi_display
, src
->ctx
, dst
->ctx
, mask
);
1700 /* As opposed to wglCopyContext, glXCopyContext doesn't return anything, so hopefully we passed */
1704 /***********************************************************************
1705 * glxdrv_wglCreateContext
1707 static struct wgl_context
*glxdrv_wglCreateContext( HDC hdc
)
1709 struct wgl_context
*ret
= NULL
;
1710 struct gl_drawable
*gl
;
1712 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1714 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1718 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
1721 ret
->fmt
= gl
->format
;
1722 ret
->vis
= pglXGetVisualFromFBConfig(gdi_display
, gl
->format
->fbconfig
);
1723 ret
->ctx
= create_glxcontext(gdi_display
, ret
, NULL
);
1724 list_add_head( &context_list
, &ret
->entry
);
1726 release_gl_drawable( gl
);
1727 TRACE( "%p -> %p\n", hdc
, ret
);
1731 /***********************************************************************
1732 * glxdrv_wglDeleteContext
1734 static void glxdrv_wglDeleteContext(struct wgl_context
*ctx
)
1736 TRACE("(%p)\n", ctx
);
1738 EnterCriticalSection( &context_section
);
1739 list_remove( &ctx
->entry
);
1740 LeaveCriticalSection( &context_section
);
1742 if (ctx
->ctx
) pglXDestroyContext( gdi_display
, ctx
->ctx
);
1743 if (ctx
->vis
) XFree( ctx
->vis
);
1744 HeapFree( GetProcessHeap(), 0, ctx
);
1747 /***********************************************************************
1748 * glxdrv_wglGetProcAddress
1750 static PROC
glxdrv_wglGetProcAddress(LPCSTR lpszProc
)
1752 if (!strncmp(lpszProc
, "wgl", 3)) return NULL
;
1753 return pglXGetProcAddressARB((const GLubyte
*)lpszProc
);
1756 /***********************************************************************
1757 * glxdrv_wglMakeCurrent
1759 static BOOL
glxdrv_wglMakeCurrent(HDC hdc
, struct wgl_context
*ctx
)
1762 struct gl_drawable
*gl
;
1764 TRACE("(%p,%p)\n", hdc
, ctx
);
1768 pglXMakeCurrent(gdi_display
, None
, NULL
);
1769 NtCurrentTeb()->glContext
= NULL
;
1773 if ((gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1775 if (ctx
->fmt
!= gl
->format
)
1777 WARN( "mismatched pixel format hdc %p %p ctx %p %p\n", hdc
, gl
->format
, ctx
, ctx
->fmt
);
1778 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1782 if (TRACE_ON(wgl
)) {
1783 describeContext(ctx
);
1784 TRACE("hdc %p drawable %lx fmt %p ctx %p\n", hdc
, gl
->drawable
, gl
->format
, ctx
->ctx
);
1787 ret
= pglXMakeCurrent(gdi_display
, gl
->drawable
, ctx
->ctx
);
1790 NtCurrentTeb()->glContext
= ctx
;
1791 ctx
->has_been_current
= TRUE
;
1793 ctx
->drawables
[0] = gl
->drawable
;
1794 ctx
->drawables
[1] = gl
->drawable
;
1795 ctx
->refresh_drawables
= FALSE
;
1799 SetLastError( ERROR_INVALID_HANDLE
);
1802 release_gl_drawable( gl
);
1803 TRACE( "%p,%p returning %d\n", hdc
, ctx
, ret
);
1807 /***********************************************************************
1808 * X11DRV_wglMakeContextCurrentARB
1810 static BOOL
X11DRV_wglMakeContextCurrentARB( HDC draw_hdc
, HDC read_hdc
, struct wgl_context
*ctx
)
1813 struct gl_drawable
*draw_gl
, *read_gl
= NULL
;
1815 TRACE("(%p,%p,%p)\n", draw_hdc
, read_hdc
, ctx
);
1819 pglXMakeCurrent(gdi_display
, None
, NULL
);
1820 NtCurrentTeb()->glContext
= NULL
;
1824 if (!pglXMakeContextCurrent
) return FALSE
;
1826 if ((draw_gl
= get_gl_drawable( WindowFromDC( draw_hdc
), draw_hdc
)))
1828 read_gl
= get_gl_drawable( WindowFromDC( read_hdc
), read_hdc
);
1829 ret
= pglXMakeContextCurrent(gdi_display
, draw_gl
->drawable
,
1830 read_gl
? read_gl
->drawable
: 0, ctx
->ctx
);
1833 ctx
->has_been_current
= TRUE
;
1834 ctx
->hdc
= draw_hdc
;
1835 ctx
->drawables
[0] = draw_gl
->drawable
;
1836 ctx
->drawables
[1] = read_gl
? read_gl
->drawable
: 0;
1837 ctx
->refresh_drawables
= FALSE
;
1838 NtCurrentTeb()->glContext
= ctx
;
1842 SetLastError( ERROR_INVALID_HANDLE
);
1844 release_gl_drawable( read_gl
);
1845 release_gl_drawable( draw_gl
);
1846 TRACE( "%p,%p,%p returning %d\n", draw_hdc
, read_hdc
, ctx
, ret
);
1850 /***********************************************************************
1851 * glxdrv_wglShareLists
1853 static BOOL
glxdrv_wglShareLists(struct wgl_context
*org
, struct wgl_context
*dest
)
1855 TRACE("(%p, %p)\n", org
, dest
);
1857 /* Sharing of display lists works differently in GLX and WGL. In case of GLX it is done
1858 * at context creation time but in case of WGL it is done using wglShareLists.
1859 * In the past we tried to emulate wglShareLists by delaying GLX context creation until
1860 * either a wglMakeCurrent or wglShareLists. This worked fine for most apps but it causes
1861 * issues for OpenGL 3 because there wglCreateContextAttribsARB can fail in a lot of cases,
1862 * so there delaying context creation doesn't work.
1864 * The new approach is to create a GLX context in wglCreateContext / wglCreateContextAttribsARB
1865 * and when a program requests sharing we recreate the destination context if it hasn't been made
1866 * current or when it hasn't shared display lists before.
1869 if((org
->has_been_current
&& dest
->has_been_current
) || dest
->has_been_current
)
1871 ERR("Could not share display lists, one of the contexts has been current already !\n");
1874 else if(dest
->sharing
)
1876 ERR("Could not share display lists because hglrc2 has already shared lists before\n");
1881 describeContext(org
);
1882 describeContext(dest
);
1884 /* Re-create the GLX context and share display lists */
1885 pglXDestroyContext(gdi_display
, dest
->ctx
);
1886 dest
->ctx
= create_glxcontext(gdi_display
, dest
, org
->ctx
);
1887 TRACE(" re-created an OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest
->ctx
, dest
, org
->ctx
);
1889 org
->sharing
= TRUE
;
1890 dest
->sharing
= TRUE
;
1896 static void wglFinish(void)
1898 struct x11drv_escape_flush_gl_drawable escape
;
1899 struct gl_drawable
*gl
;
1900 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1902 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1903 escape
.gl_drawable
= 0;
1905 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
1909 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1910 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->drawable
; break;
1914 release_gl_drawable( gl
);
1918 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
1921 static void wglFlush(void)
1923 struct x11drv_escape_flush_gl_drawable escape
;
1924 struct gl_drawable
*gl
;
1925 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
1927 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
1928 escape
.gl_drawable
= 0;
1930 if ((gl
= get_gl_drawable( WindowFromDC( ctx
->hdc
), 0 )))
1934 case DC_GL_PIXMAP_WIN
: escape
.gl_drawable
= gl
->pixmap
; break;
1935 case DC_GL_CHILD_WIN
: escape
.gl_drawable
= gl
->drawable
; break;
1939 release_gl_drawable( gl
);
1943 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
1946 /***********************************************************************
1947 * X11DRV_wglCreateContextAttribsARB
1949 static struct wgl_context
*X11DRV_wglCreateContextAttribsARB( HDC hdc
, struct wgl_context
*hShareContext
,
1950 const int* attribList
)
1952 struct wgl_context
*ret
= NULL
;
1953 struct gl_drawable
*gl
;
1955 TRACE("(%p %p %p)\n", hdc
, hShareContext
, attribList
);
1957 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
1959 SetLastError( ERROR_INVALID_PIXEL_FORMAT
);
1963 if ((ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
))))
1966 ret
->fmt
= gl
->format
;
1967 ret
->vis
= NULL
; /* glXCreateContextAttribsARB requires a fbconfig instead of a visual */
1968 ret
->gl3_context
= TRUE
;
1969 ret
->numAttribs
= 0;
1972 int *pContextAttribList
= &ret
->attribList
[0];
1973 /* attribList consists of pairs {token, value] terminated with 0 */
1974 while(attribList
[0] != 0)
1976 TRACE("%#x %#x\n", attribList
[0], attribList
[1]);
1977 switch(attribList
[0])
1979 case WGL_CONTEXT_MAJOR_VERSION_ARB
:
1980 pContextAttribList
[0] = GLX_CONTEXT_MAJOR_VERSION_ARB
;
1981 pContextAttribList
[1] = attribList
[1];
1983 case WGL_CONTEXT_MINOR_VERSION_ARB
:
1984 pContextAttribList
[0] = GLX_CONTEXT_MINOR_VERSION_ARB
;
1985 pContextAttribList
[1] = attribList
[1];
1987 case WGL_CONTEXT_LAYER_PLANE_ARB
:
1989 case WGL_CONTEXT_FLAGS_ARB
:
1990 pContextAttribList
[0] = GLX_CONTEXT_FLAGS_ARB
;
1991 pContextAttribList
[1] = attribList
[1];
1993 case WGL_CONTEXT_PROFILE_MASK_ARB
:
1994 pContextAttribList
[0] = GLX_CONTEXT_PROFILE_MASK_ARB
;
1995 pContextAttribList
[1] = attribList
[1];
1998 ERR("Unhandled attribList pair: %#x %#x\n", attribList
[0], attribList
[1]);
2002 pContextAttribList
+= 2;
2006 X11DRV_expect_error(gdi_display
, GLXErrorHandler
, NULL
);
2007 ret
->ctx
= create_glxcontext(gdi_display
, ret
, NULL
);
2008 XSync(gdi_display
, False
);
2009 if (X11DRV_check_error() || !ret
->ctx
)
2011 /* In the future we should convert the GLX error to a win32 one here if needed */
2012 ERR("Context creation failed\n");
2013 HeapFree( GetProcessHeap(), 0, ret
);
2016 else list_add_head( &context_list
, &ret
->entry
);
2019 release_gl_drawable( gl
);
2020 TRACE( "%p -> %p\n", hdc
, ret
);
2025 * X11DRV_wglGetExtensionsStringARB
2027 * WGL_ARB_extensions_string: wglGetExtensionsStringARB
2029 static const GLubyte
*X11DRV_wglGetExtensionsStringARB(HDC hdc
)
2031 TRACE("() returning \"%s\"\n", WineGLInfo
.wglExtensions
);
2032 return (const GLubyte
*)WineGLInfo
.wglExtensions
;
2036 * X11DRV_wglCreatePbufferARB
2038 * WGL_ARB_pbuffer: wglCreatePbufferARB
2040 static struct wgl_pbuffer
*X11DRV_wglCreatePbufferARB( HDC hdc
, int iPixelFormat
, int iWidth
, int iHeight
,
2041 const int *piAttribList
)
2043 struct wgl_pbuffer
* object
= NULL
;
2044 const struct wgl_pixel_format
*fmt
= NULL
;
2048 TRACE("(%p, %d, %d, %d, %p)\n", hdc
, iPixelFormat
, iWidth
, iHeight
, piAttribList
);
2050 /* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
2051 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2053 ERR("(%p): invalid pixel format %d\n", hdc
, iPixelFormat
);
2054 SetLastError(ERROR_INVALID_PIXEL_FORMAT
);
2058 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
2059 if (NULL
== object
) {
2060 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2063 object
->width
= iWidth
;
2064 object
->height
= iHeight
;
2067 PUSH2(attribs
, GLX_PBUFFER_WIDTH
, iWidth
);
2068 PUSH2(attribs
, GLX_PBUFFER_HEIGHT
, iHeight
);
2069 while (piAttribList
&& 0 != *piAttribList
) {
2071 switch (*piAttribList
) {
2072 case WGL_PBUFFER_LARGEST_ARB
: {
2074 attr_v
= *piAttribList
;
2075 TRACE("WGL_LARGEST_PBUFFER_ARB = %d\n", attr_v
);
2076 PUSH2(attribs
, GLX_LARGEST_PBUFFER
, attr_v
);
2080 case WGL_TEXTURE_FORMAT_ARB
: {
2082 attr_v
= *piAttribList
;
2083 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v
);
2084 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2085 object
->use_render_texture
= 0;
2087 if (!use_render_texture_emulation
) {
2088 SetLastError(ERROR_INVALID_DATA
);
2092 case WGL_TEXTURE_RGB_ARB
:
2093 object
->use_render_texture
= GL_RGB
;
2094 object
->texture_bpp
= 3;
2095 object
->texture_format
= GL_RGB
;
2096 object
->texture_type
= GL_UNSIGNED_BYTE
;
2098 case WGL_TEXTURE_RGBA_ARB
:
2099 object
->use_render_texture
= GL_RGBA
;
2100 object
->texture_bpp
= 4;
2101 object
->texture_format
= GL_RGBA
;
2102 object
->texture_type
= GL_UNSIGNED_BYTE
;
2105 /* WGL_FLOAT_COMPONENTS_NV */
2106 case WGL_TEXTURE_FLOAT_R_NV
:
2107 object
->use_render_texture
= GL_FLOAT_R_NV
;
2108 object
->texture_bpp
= 4;
2109 object
->texture_format
= GL_RED
;
2110 object
->texture_type
= GL_FLOAT
;
2112 case WGL_TEXTURE_FLOAT_RG_NV
:
2113 object
->use_render_texture
= GL_FLOAT_RG_NV
;
2114 object
->texture_bpp
= 8;
2115 object
->texture_format
= GL_LUMINANCE_ALPHA
;
2116 object
->texture_type
= GL_FLOAT
;
2118 case WGL_TEXTURE_FLOAT_RGB_NV
:
2119 object
->use_render_texture
= GL_FLOAT_RGB_NV
;
2120 object
->texture_bpp
= 12;
2121 object
->texture_format
= GL_RGB
;
2122 object
->texture_type
= GL_FLOAT
;
2124 case WGL_TEXTURE_FLOAT_RGBA_NV
:
2125 object
->use_render_texture
= GL_FLOAT_RGBA_NV
;
2126 object
->texture_bpp
= 16;
2127 object
->texture_format
= GL_RGBA
;
2128 object
->texture_type
= GL_FLOAT
;
2131 ERR("Unknown texture format: %x\n", attr_v
);
2132 SetLastError(ERROR_INVALID_DATA
);
2139 case WGL_TEXTURE_TARGET_ARB
: {
2141 attr_v
= *piAttribList
;
2142 TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v
);
2143 if (WGL_NO_TEXTURE_ARB
== attr_v
) {
2144 object
->texture_target
= 0;
2146 if (!use_render_texture_emulation
) {
2147 SetLastError(ERROR_INVALID_DATA
);
2151 case WGL_TEXTURE_CUBE_MAP_ARB
: {
2152 if (iWidth
!= iHeight
) {
2153 SetLastError(ERROR_INVALID_DATA
);
2156 object
->texture_target
= GL_TEXTURE_CUBE_MAP
;
2157 object
->texture_bind_target
= GL_TEXTURE_BINDING_CUBE_MAP
;
2160 case WGL_TEXTURE_1D_ARB
: {
2162 SetLastError(ERROR_INVALID_DATA
);
2165 object
->texture_target
= GL_TEXTURE_1D
;
2166 object
->texture_bind_target
= GL_TEXTURE_BINDING_1D
;
2169 case WGL_TEXTURE_2D_ARB
: {
2170 object
->texture_target
= GL_TEXTURE_2D
;
2171 object
->texture_bind_target
= GL_TEXTURE_BINDING_2D
;
2174 case WGL_TEXTURE_RECTANGLE_NV
: {
2175 object
->texture_target
= GL_TEXTURE_RECTANGLE_NV
;
2176 object
->texture_bind_target
= GL_TEXTURE_BINDING_RECTANGLE_NV
;
2180 ERR("Unknown texture target: %x\n", attr_v
);
2181 SetLastError(ERROR_INVALID_DATA
);
2188 case WGL_MIPMAP_TEXTURE_ARB
: {
2190 attr_v
= *piAttribList
;
2191 TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v
);
2192 if (!use_render_texture_emulation
) {
2193 SetLastError(ERROR_INVALID_DATA
);
2202 PUSH1(attribs
, None
);
2203 object
->drawable
= pglXCreatePbuffer(gdi_display
, fmt
->fbconfig
, attribs
);
2204 TRACE("new Pbuffer drawable as %lx\n", object
->drawable
);
2205 if (!object
->drawable
) {
2206 SetLastError(ERROR_NO_SYSTEM_RESOURCES
);
2207 goto create_failed
; /* unexpected error */
2209 TRACE("->(%p)\n", object
);
2213 HeapFree(GetProcessHeap(), 0, object
);
2214 TRACE("->(FAILED)\n");
2219 * X11DRV_wglDestroyPbufferARB
2221 * WGL_ARB_pbuffer: wglDestroyPbufferARB
2223 static BOOL
X11DRV_wglDestroyPbufferARB( struct wgl_pbuffer
*object
)
2225 TRACE("(%p)\n", object
);
2227 pglXDestroyPbuffer(gdi_display
, object
->drawable
);
2228 HeapFree(GetProcessHeap(), 0, object
);
2233 * X11DRV_wglGetPbufferDCARB
2235 * WGL_ARB_pbuffer: wglGetPbufferDCARB
2237 static HDC
X11DRV_wglGetPbufferDCARB( struct wgl_pbuffer
*object
)
2239 struct x11drv_escape_set_drawable escape
;
2240 struct gl_drawable
*gl
, *prev
;
2243 hdc
= CreateDCA( "DISPLAY", NULL
, NULL
, NULL
);
2246 if (!(gl
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*gl
) )))
2251 gl
->type
= DC_GL_PBUFFER
;
2252 gl
->drawable
= object
->drawable
;
2253 gl
->format
= object
->fmt
;
2255 EnterCriticalSection( &context_section
);
2256 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&prev
))
2257 free_gl_drawable( prev
);
2258 XSaveContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char *)gl
);
2259 LeaveCriticalSection( &context_section
);
2261 escape
.code
= X11DRV_SET_DRAWABLE
;
2263 escape
.drawable
= object
->drawable
;
2264 escape
.mode
= IncludeInferiors
;
2265 SetRect( &escape
.dc_rect
, 0, 0, object
->width
, object
->height
);
2266 escape
.fbconfig_id
= object
->fmt
->fmt_id
;
2267 ExtEscape( hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
2269 TRACE( "(%p)->(%p)\n", object
, hdc
);
2274 * X11DRV_wglQueryPbufferARB
2276 * WGL_ARB_pbuffer: wglQueryPbufferARB
2278 static BOOL
X11DRV_wglQueryPbufferARB( struct wgl_pbuffer
*object
, int iAttribute
, int *piValue
)
2280 TRACE("(%p, 0x%x, %p)\n", object
, iAttribute
, piValue
);
2282 switch (iAttribute
) {
2283 case WGL_PBUFFER_WIDTH_ARB
:
2284 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_WIDTH
, (unsigned int*) piValue
);
2286 case WGL_PBUFFER_HEIGHT_ARB
:
2287 pglXQueryDrawable(gdi_display
, object
->drawable
, GLX_HEIGHT
, (unsigned int*) piValue
);
2290 case WGL_PBUFFER_LOST_ARB
:
2291 /* GLX Pbuffers cannot be lost by default. We can support this by
2292 * setting GLX_PRESERVED_CONTENTS to False and using glXSelectEvent
2293 * to receive pixel buffer clobber events, however that may or may
2294 * not give any benefit */
2295 *piValue
= GL_FALSE
;
2298 case WGL_TEXTURE_FORMAT_ARB
:
2299 if (!object
->use_render_texture
) {
2300 *piValue
= WGL_NO_TEXTURE_ARB
;
2302 if (!use_render_texture_emulation
) {
2303 SetLastError(ERROR_INVALID_HANDLE
);
2306 switch(object
->use_render_texture
) {
2308 *piValue
= WGL_TEXTURE_RGB_ARB
;
2311 *piValue
= WGL_TEXTURE_RGBA_ARB
;
2313 /* WGL_FLOAT_COMPONENTS_NV */
2315 *piValue
= WGL_TEXTURE_FLOAT_R_NV
;
2317 case GL_FLOAT_RG_NV
:
2318 *piValue
= WGL_TEXTURE_FLOAT_RG_NV
;
2320 case GL_FLOAT_RGB_NV
:
2321 *piValue
= WGL_TEXTURE_FLOAT_RGB_NV
;
2323 case GL_FLOAT_RGBA_NV
:
2324 *piValue
= WGL_TEXTURE_FLOAT_RGBA_NV
;
2327 ERR("Unknown texture format: %x\n", object
->use_render_texture
);
2332 case WGL_TEXTURE_TARGET_ARB
:
2333 if (!object
->texture_target
){
2334 *piValue
= WGL_NO_TEXTURE_ARB
;
2336 if (!use_render_texture_emulation
) {
2337 SetLastError(ERROR_INVALID_DATA
);
2340 switch (object
->texture_target
) {
2341 case GL_TEXTURE_1D
: *piValue
= WGL_TEXTURE_1D_ARB
; break;
2342 case GL_TEXTURE_2D
: *piValue
= WGL_TEXTURE_2D_ARB
; break;
2343 case GL_TEXTURE_CUBE_MAP
: *piValue
= WGL_TEXTURE_CUBE_MAP_ARB
; break;
2344 case GL_TEXTURE_RECTANGLE_NV
: *piValue
= WGL_TEXTURE_RECTANGLE_NV
; break;
2349 case WGL_MIPMAP_TEXTURE_ARB
:
2350 *piValue
= GL_FALSE
; /** don't support that */
2351 FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute
);
2355 FIXME("unexpected attribute %x\n", iAttribute
);
2363 * X11DRV_wglReleasePbufferDCARB
2365 * WGL_ARB_pbuffer: wglReleasePbufferDCARB
2367 static int X11DRV_wglReleasePbufferDCARB( struct wgl_pbuffer
*object
, HDC hdc
)
2369 struct gl_drawable
*gl
;
2371 TRACE("(%p, %p)\n", object
, hdc
);
2373 EnterCriticalSection( &context_section
);
2375 if (!XFindContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
, (char **)&gl
))
2377 XDeleteContext( gdi_display
, (XID
)hdc
, gl_pbuffer_context
);
2378 free_gl_drawable( gl
);
2382 LeaveCriticalSection( &context_section
);
2384 return hdc
&& DeleteDC(hdc
);
2388 * X11DRV_wglSetPbufferAttribARB
2390 * WGL_ARB_pbuffer: wglSetPbufferAttribARB
2392 static BOOL
X11DRV_wglSetPbufferAttribARB( struct wgl_pbuffer
*object
, const int *piAttribList
)
2394 GLboolean ret
= GL_FALSE
;
2396 WARN("(%p, %p): alpha-testing, report any problem\n", object
, piAttribList
);
2398 if (!object
->use_render_texture
) {
2399 SetLastError(ERROR_INVALID_HANDLE
);
2402 if (1 == use_render_texture_emulation
) {
2409 * X11DRV_wglChoosePixelFormatARB
2411 * WGL_ARB_pixel_format: wglChoosePixelFormatARB
2413 static BOOL
X11DRV_wglChoosePixelFormatARB( HDC hdc
, const int *piAttribIList
, const FLOAT
*pfAttribFList
,
2414 UINT nMaxFormats
, int *piFormats
, UINT
*nNumFormats
)
2418 GLXFBConfig
* cfgs
= NULL
;
2428 TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc
, piAttribIList
, pfAttribFList
, nMaxFormats
, piFormats
, nNumFormats
);
2429 if (NULL
!= pfAttribFList
) {
2430 FIXME("unused pfAttribFList\n");
2433 nAttribs
= ConvertAttribWGLtoGLX(piAttribIList
, attribs
, NULL
);
2434 if (-1 == nAttribs
) {
2435 WARN("Cannot convert WGL to GLX attributes\n");
2438 PUSH1(attribs
, None
);
2440 /* There is no 1:1 mapping between GLX and WGL formats because we duplicate some GLX formats for bitmap rendering (see get_formats).
2441 * Flags like PFD_SUPPORT_GDI, PFD_DRAW_TO_BITMAP and others are a property of the pixel format. We don't query these attributes
2442 * using glXChooseFBConfig but we filter the result of glXChooseFBConfig later on.
2444 for(i
=0; piAttribIList
[i
] != 0; i
+=2)
2446 switch(piAttribIList
[i
])
2448 case WGL_DRAW_TO_BITMAP_ARB
:
2449 if(piAttribIList
[i
+1])
2450 dwFlags
|= PFD_DRAW_TO_BITMAP
;
2452 case WGL_ACCELERATION_ARB
:
2453 switch(piAttribIList
[i
+1])
2455 case WGL_NO_ACCELERATION_ARB
:
2456 dwFlags
|= PFD_GENERIC_FORMAT
;
2458 case WGL_GENERIC_ACCELERATION_ARB
:
2459 dwFlags
|= PFD_GENERIC_ACCELERATED
;
2461 case WGL_FULL_ACCELERATION_ARB
:
2466 case WGL_SUPPORT_GDI_ARB
:
2467 if(piAttribIList
[i
+1])
2468 dwFlags
|= PFD_SUPPORT_GDI
;
2473 /* Search for FB configurations matching the requirements in attribs */
2474 cfgs
= pglXChooseFBConfig(gdi_display
, DefaultScreen(gdi_display
), attribs
, &nCfgs
);
2476 WARN("Compatible Pixel Format not found\n");
2480 /* Loop through all matching formats and check if they are suitable.
2481 * Note that this function should at max return nMaxFormats different formats */
2482 for(run
=0; run
< 2; run
++)
2484 for (it
= 0; it
< nCfgs
&& pfmt_it
< nMaxFormats
; ++it
)
2486 if (pglXGetFBConfigAttrib(gdi_display
, cfgs
[it
], GLX_FBCONFIG_ID
, &fmt_id
))
2488 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
2492 /* During the first run we only want onscreen formats and during the second only offscreen */
2493 start
= run
== 1 ? nb_onscreen_formats
: 0;
2494 end
= run
== 1 ? nb_pixel_formats
: nb_onscreen_formats
;
2496 for (i
= start
; i
< end
; i
++)
2498 if (pixel_formats
[i
].fmt_id
== fmt_id
&& (pixel_formats
[i
].dwFlags
& dwFlags
) == dwFlags
)
2500 piFormats
[pfmt_it
++] = i
+ 1;
2501 TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n",
2502 it
+ 1, nCfgs
, fmt_id
, piFormats
[pfmt_it
]);
2509 *nNumFormats
= pfmt_it
;
2516 * X11DRV_wglGetPixelFormatAttribivARB
2518 * WGL_ARB_pixel_format: wglGetPixelFormatAttribivARB
2520 static BOOL
X11DRV_wglGetPixelFormatAttribivARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2521 UINT nAttributes
, const int *piAttributes
, int *piValues
)
2524 const struct wgl_pixel_format
*fmt
= NULL
;
2529 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, piValues
);
2531 if (0 < iLayerPlane
) {
2532 FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane
);
2536 /* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supported.
2537 * We don't have to fail yet as a program can specify an invalid iPixelFormat (lets say 0) if it wants to query
2538 * the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
2539 fmt
= get_pixel_format(gdi_display
, iPixelFormat
, TRUE
/* Offscreen */);
2541 WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat
);
2544 for (i
= 0; i
< nAttributes
; ++i
) {
2545 const int curWGLAttr
= piAttributes
[i
];
2546 TRACE("pAttr[%d] = %x\n", i
, curWGLAttr
);
2548 switch (curWGLAttr
) {
2549 case WGL_NUMBER_PIXEL_FORMATS_ARB
:
2550 piValues
[i
] = nb_pixel_formats
;
2553 case WGL_SUPPORT_OPENGL_ARB
:
2554 piValues
[i
] = GL_TRUE
;
2557 case WGL_ACCELERATION_ARB
:
2558 curGLXAttr
= GLX_CONFIG_CAVEAT
;
2559 if (!fmt
) goto pix_error
;
2560 if(fmt
->dwFlags
& PFD_GENERIC_FORMAT
)
2561 piValues
[i
] = WGL_NO_ACCELERATION_ARB
;
2562 else if(fmt
->dwFlags
& PFD_GENERIC_ACCELERATED
)
2563 piValues
[i
] = WGL_GENERIC_ACCELERATION_ARB
;
2565 piValues
[i
] = WGL_FULL_ACCELERATION_ARB
;
2568 case WGL_TRANSPARENT_ARB
:
2569 curGLXAttr
= GLX_TRANSPARENT_TYPE
;
2570 if (!fmt
) goto pix_error
;
2571 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2572 if (hTest
) goto get_error
;
2573 piValues
[i
] = GL_FALSE
;
2574 if (GLX_NONE
!= tmp
) piValues
[i
] = GL_TRUE
;
2577 case WGL_PIXEL_TYPE_ARB
:
2578 curGLXAttr
= GLX_RENDER_TYPE
;
2579 if (!fmt
) goto pix_error
;
2580 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2581 if (hTest
) goto get_error
;
2582 TRACE("WGL_PIXEL_TYPE_ARB: GLX_RENDER_TYPE = 0x%x\n", tmp
);
2583 if (tmp
& GLX_RGBA_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_ARB
; }
2584 else if (tmp
& GLX_COLOR_INDEX_BIT
) { piValues
[i
] = WGL_TYPE_COLORINDEX_ARB
; }
2585 else if (tmp
& GLX_RGBA_FLOAT_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2586 else if (tmp
& GLX_RGBA_FLOAT_ATI_BIT
) { piValues
[i
] = WGL_TYPE_RGBA_FLOAT_ATI
; }
2587 else if (tmp
& GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT
) { piValues
[i
] = WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
; }
2589 ERR("unexpected RenderType(%x)\n", tmp
);
2590 piValues
[i
] = WGL_TYPE_RGBA_ARB
;
2594 case WGL_COLOR_BITS_ARB
:
2595 curGLXAttr
= GLX_BUFFER_SIZE
;
2598 case WGL_BIND_TO_TEXTURE_RGB_ARB
:
2599 case WGL_BIND_TO_TEXTURE_RGBA_ARB
:
2600 if (!use_render_texture_emulation
) {
2601 piValues
[i
] = GL_FALSE
;
2604 curGLXAttr
= GLX_RENDER_TYPE
;
2605 if (!fmt
) goto pix_error
;
2606 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, &tmp
);
2607 if (hTest
) goto get_error
;
2608 if (GLX_COLOR_INDEX_BIT
== tmp
) {
2609 piValues
[i
] = GL_FALSE
;
2612 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2613 if (hTest
) goto get_error
;
2614 piValues
[i
] = (tmp
& GLX_PBUFFER_BIT
) ? GL_TRUE
: GL_FALSE
;
2617 case WGL_BLUE_BITS_ARB
:
2618 curGLXAttr
= GLX_BLUE_SIZE
;
2620 case WGL_RED_BITS_ARB
:
2621 curGLXAttr
= GLX_RED_SIZE
;
2623 case WGL_GREEN_BITS_ARB
:
2624 curGLXAttr
= GLX_GREEN_SIZE
;
2626 case WGL_ALPHA_BITS_ARB
:
2627 curGLXAttr
= GLX_ALPHA_SIZE
;
2629 case WGL_DEPTH_BITS_ARB
:
2630 curGLXAttr
= GLX_DEPTH_SIZE
;
2632 case WGL_STENCIL_BITS_ARB
:
2633 curGLXAttr
= GLX_STENCIL_SIZE
;
2635 case WGL_DOUBLE_BUFFER_ARB
:
2636 curGLXAttr
= GLX_DOUBLEBUFFER
;
2638 case WGL_STEREO_ARB
:
2639 curGLXAttr
= GLX_STEREO
;
2641 case WGL_AUX_BUFFERS_ARB
:
2642 curGLXAttr
= GLX_AUX_BUFFERS
;
2645 case WGL_SUPPORT_GDI_ARB
:
2646 if (!fmt
) goto pix_error
;
2647 piValues
[i
] = (fmt
->dwFlags
& PFD_SUPPORT_GDI
) != 0;
2650 case WGL_DRAW_TO_BITMAP_ARB
:
2651 if (!fmt
) goto pix_error
;
2652 piValues
[i
] = (fmt
->dwFlags
& PFD_DRAW_TO_BITMAP
) != 0;
2655 case WGL_DRAW_TO_WINDOW_ARB
:
2656 case WGL_DRAW_TO_PBUFFER_ARB
:
2657 if (!fmt
) goto pix_error
;
2658 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &tmp
);
2659 if (hTest
) goto get_error
;
2660 if((curWGLAttr
== WGL_DRAW_TO_WINDOW_ARB
&& (tmp
&GLX_WINDOW_BIT
)) ||
2661 (curWGLAttr
== WGL_DRAW_TO_PBUFFER_ARB
&& (tmp
&GLX_PBUFFER_BIT
)))
2662 piValues
[i
] = GL_TRUE
;
2664 piValues
[i
] = GL_FALSE
;
2667 case WGL_SWAP_METHOD_ARB
:
2668 /* For now return SWAP_EXCHANGE_ARB which is the best type of buffer switch available.
2669 * Later on we can also use GLX_OML_swap_method on drivers which support this. At this
2670 * point only ATI offers this.
2672 piValues
[i
] = WGL_SWAP_EXCHANGE_ARB
;
2675 case WGL_PBUFFER_LARGEST_ARB
:
2676 curGLXAttr
= GLX_LARGEST_PBUFFER
;
2679 case WGL_SAMPLE_BUFFERS_ARB
:
2680 curGLXAttr
= GLX_SAMPLE_BUFFERS_ARB
;
2683 case WGL_SAMPLES_ARB
:
2684 curGLXAttr
= GLX_SAMPLES_ARB
;
2687 case WGL_FLOAT_COMPONENTS_NV
:
2688 curGLXAttr
= GLX_FLOAT_COMPONENTS_NV
;
2691 case WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT
:
2692 curGLXAttr
= GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT
;
2695 case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT
:
2696 curGLXAttr
= GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT
;
2699 case WGL_ACCUM_RED_BITS_ARB
:
2700 curGLXAttr
= GLX_ACCUM_RED_SIZE
;
2702 case WGL_ACCUM_GREEN_BITS_ARB
:
2703 curGLXAttr
= GLX_ACCUM_GREEN_SIZE
;
2705 case WGL_ACCUM_BLUE_BITS_ARB
:
2706 curGLXAttr
= GLX_ACCUM_BLUE_SIZE
;
2708 case WGL_ACCUM_ALPHA_BITS_ARB
:
2709 curGLXAttr
= GLX_ACCUM_ALPHA_SIZE
;
2711 case WGL_ACCUM_BITS_ARB
:
2712 if (!fmt
) goto pix_error
;
2713 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_RED_SIZE
, &tmp
);
2714 if (hTest
) goto get_error
;
2716 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_GREEN_SIZE
, &tmp
);
2717 if (hTest
) goto get_error
;
2719 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_BLUE_SIZE
, &tmp
);
2720 if (hTest
) goto get_error
;
2722 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_ACCUM_ALPHA_SIZE
, &tmp
);
2723 if (hTest
) goto get_error
;
2728 FIXME("unsupported %x WGL Attribute\n", curWGLAttr
);
2731 /* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
2732 * iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
2733 * sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
2735 * TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
2736 * and check which options can work using iPixelFormat=0 and which not.
2737 * A problem would be that this function is an extension. This would
2738 * mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
2740 if (0 != curGLXAttr
&& iPixelFormat
!= 0) {
2741 if (!fmt
) goto pix_error
;
2742 hTest
= pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, curGLXAttr
, piValues
+ i
);
2743 if (hTest
) goto get_error
;
2746 piValues
[i
] = GL_FALSE
;
2752 ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc
, curGLXAttr
);
2756 ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc
, iPixelFormat
, nb_pixel_formats
);
2761 * X11DRV_wglGetPixelFormatAttribfvARB
2763 * WGL_ARB_pixel_format: wglGetPixelFormatAttribfvARB
2765 static BOOL
X11DRV_wglGetPixelFormatAttribfvARB( HDC hdc
, int iPixelFormat
, int iLayerPlane
,
2766 UINT nAttributes
, const int *piAttributes
, FLOAT
*pfValues
)
2772 TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, pfValues
);
2774 /* Allocate a temporary array to store integer values */
2775 attr
= HeapAlloc(GetProcessHeap(), 0, nAttributes
* sizeof(int));
2777 ERR("couldn't allocate %d array\n", nAttributes
);
2781 /* Piggy-back on wglGetPixelFormatAttribivARB */
2782 ret
= X11DRV_wglGetPixelFormatAttribivARB(hdc
, iPixelFormat
, iLayerPlane
, nAttributes
, piAttributes
, attr
);
2784 /* Convert integer values to float. Should also check for attributes
2785 that can give decimal values here */
2786 for (i
=0; i
<nAttributes
;i
++) {
2787 pfValues
[i
] = attr
[i
];
2791 HeapFree(GetProcessHeap(), 0, attr
);
2796 * X11DRV_wglBindTexImageARB
2798 * WGL_ARB_render_texture: wglBindTexImageARB
2800 static BOOL
X11DRV_wglBindTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2802 GLboolean ret
= GL_FALSE
;
2804 TRACE("(%p, %d)\n", object
, iBuffer
);
2806 if (!object
->use_render_texture
) {
2807 SetLastError(ERROR_INVALID_HANDLE
);
2811 if (1 == use_render_texture_emulation
) {
2812 static int init
= 0;
2813 int prev_binded_texture
= 0;
2814 GLXContext prev_context
;
2815 Drawable prev_drawable
;
2816 GLXContext tmp_context
;
2818 prev_context
= pglXGetCurrentContext();
2819 prev_drawable
= pglXGetCurrentDrawable();
2821 /* Our render_texture emulation is basic and lacks some features (1D/Cube support).
2822 This is mostly due to lack of demos/games using them. Further the use of glReadPixels
2823 isn't ideal performance wise but I wasn't able to get other ways working.
2826 init
= 1; /* Only show the FIXME once for performance reasons */
2827 FIXME("partial stub!\n");
2830 TRACE("drawable=%lx, context=%p\n", object
->drawable
, prev_context
);
2831 tmp_context
= pglXCreateNewContext(gdi_display
, object
->fmt
->fbconfig
, object
->fmt
->render_type
, prev_context
, True
);
2833 opengl_funcs
.gl
.p_glGetIntegerv(object
->texture_bind_target
, &prev_binded_texture
);
2835 /* Switch to our pbuffer */
2836 pglXMakeCurrent(gdi_display
, object
->drawable
, tmp_context
);
2838 /* Make sure that the prev_binded_texture is set as the current texture state isn't shared between contexts.
2839 * After that upload the pbuffer texture data. */
2840 opengl_funcs
.gl
.p_glBindTexture(object
->texture_target
, prev_binded_texture
);
2841 opengl_funcs
.gl
.p_glCopyTexImage2D(object
->texture_target
, 0, object
->use_render_texture
, 0, 0, object
->width
, object
->height
, 0);
2843 /* Switch back to the original drawable and upload the pbuffer-texture */
2844 pglXMakeCurrent(gdi_display
, prev_drawable
, prev_context
);
2845 pglXDestroyContext(gdi_display
, tmp_context
);
2853 * X11DRV_wglReleaseTexImageARB
2855 * WGL_ARB_render_texture: wglReleaseTexImageARB
2857 static BOOL
X11DRV_wglReleaseTexImageARB( struct wgl_pbuffer
*object
, int iBuffer
)
2859 GLboolean ret
= GL_FALSE
;
2861 TRACE("(%p, %d)\n", object
, iBuffer
);
2863 if (!object
->use_render_texture
) {
2864 SetLastError(ERROR_INVALID_HANDLE
);
2867 if (1 == use_render_texture_emulation
) {
2874 * X11DRV_wglGetExtensionsStringEXT
2876 * WGL_EXT_extensions_string: wglGetExtensionsStringEXT
2878 static const GLubyte
*X11DRV_wglGetExtensionsStringEXT(void)
2880 TRACE("() returning \"%s\"\n", WineGLInfo
.wglExtensions
);
2881 return (const GLubyte
*)WineGLInfo
.wglExtensions
;
2885 * X11DRV_wglGetSwapIntervalEXT
2887 * WGL_EXT_swap_control: wglGetSwapIntervalEXT
2889 static int X11DRV_wglGetSwapIntervalEXT(void)
2891 /* GLX_SGI_swap_control doesn't have any provisions for getting the swap
2892 * interval, so the swap interval has to be tracked. */
2894 return swap_interval
;
2898 * X11DRV_wglSwapIntervalEXT
2900 * WGL_EXT_swap_control: wglSwapIntervalEXT
2902 static BOOL
X11DRV_wglSwapIntervalEXT(int interval
)
2906 TRACE("(%d)\n", interval
);
2910 SetLastError(ERROR_INVALID_DATA
);
2913 else if (!has_swap_control
&& interval
== 0)
2915 /* wglSwapIntervalEXT considers an interval value of zero to mean that
2916 * vsync should be disabled, but glXSwapIntervalSGI considers such a
2917 * value to be an error. Just silently ignore the request for now. */
2918 WARN("Request to disable vertical sync is not handled\n");
2923 if (pglXSwapIntervalSGI
)
2924 ret
= !pglXSwapIntervalSGI(interval
);
2926 WARN("GLX_SGI_swap_control extension is not available\n");
2929 swap_interval
= interval
;
2931 SetLastError(ERROR_DC_NOT_FOUND
);
2938 * X11DRV_wglSetPixelFormatWINE
2940 * WGL_WINE_pixel_format_passthrough: wglSetPixelFormatWINE
2941 * This is a WINE-specific wglSetPixelFormat which can set the pixel format multiple times.
2943 static BOOL
X11DRV_wglSetPixelFormatWINE(HDC hdc
, int format
)
2945 const struct wgl_pixel_format
*fmt
;
2949 TRACE("(%p,%d)\n", hdc
, format
);
2951 fmt
= get_pixel_format(gdi_display
, format
, FALSE
/* Offscreen */);
2954 ERR( "Invalid format %d\n", format
);
2958 hwnd
= WindowFromDC( hdc
);
2959 if (!hwnd
|| hwnd
== GetDesktopWindow())
2961 ERR( "not a valid window DC %p\n", hdc
);
2965 pglXGetFBConfigAttrib(gdi_display
, fmt
->fbconfig
, GLX_DRAWABLE_TYPE
, &value
);
2966 if (!(value
& GLX_WINDOW_BIT
))
2968 WARN( "Pixel format %d is not compatible for window rendering\n", format
);
2972 return set_win_format( hwnd
, fmt
);
2976 * glxRequireVersion (internal)
2978 * Check if the supported GLX version matches requiredVersion.
2980 static BOOL
glxRequireVersion(int requiredVersion
)
2982 /* Both requiredVersion and glXVersion[1] contains the minor GLX version */
2983 if(requiredVersion
<= WineGLInfo
.glxVersion
[1])
2989 static void register_extension(const char *ext
)
2991 if (WineGLInfo
.wglExtensions
[0])
2992 strcat(WineGLInfo
.wglExtensions
, " ");
2993 strcat(WineGLInfo
.wglExtensions
, ext
);
2995 TRACE("'%s'\n", ext
);
2999 * X11DRV_WineGL_LoadExtensions
3001 static void X11DRV_WineGL_LoadExtensions(void)
3003 WineGLInfo
.wglExtensions
[0] = 0;
3005 /* ARB Extensions */
3007 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_create_context"))
3009 register_extension( "WGL_ARB_create_context" );
3010 opengl_funcs
.ext
.p_wglCreateContextAttribsARB
= X11DRV_wglCreateContextAttribsARB
;
3012 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_create_context_profile"))
3013 register_extension("WGL_ARB_create_context_profile");
3016 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_fbconfig_float"))
3018 register_extension("WGL_ARB_pixel_format_float");
3019 register_extension("WGL_ATI_pixel_format_float");
3022 register_extension( "WGL_ARB_extensions_string" );
3023 opengl_funcs
.ext
.p_wglGetExtensionsStringARB
= X11DRV_wglGetExtensionsStringARB
;
3025 if (glxRequireVersion(3))
3027 register_extension( "WGL_ARB_make_current_read" );
3028 opengl_funcs
.ext
.p_wglGetCurrentReadDCARB
= (void *)1; /* never called */
3029 opengl_funcs
.ext
.p_wglMakeContextCurrentARB
= X11DRV_wglMakeContextCurrentARB
;
3032 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_multisample")) register_extension( "WGL_ARB_multisample" );
3034 /* In general pbuffer functionality requires support in the X-server. The functionality is
3035 * available either when the GLX_SGIX_pbuffer is present or when the GLX server version is 1.3.
3037 if ( glxRequireVersion(3) && has_extension( WineGLInfo
.glxExtensions
, "GLX_SGIX_pbuffer") )
3039 register_extension( "WGL_ARB_pbuffer" );
3040 opengl_funcs
.ext
.p_wglCreatePbufferARB
= X11DRV_wglCreatePbufferARB
;
3041 opengl_funcs
.ext
.p_wglDestroyPbufferARB
= X11DRV_wglDestroyPbufferARB
;
3042 opengl_funcs
.ext
.p_wglGetPbufferDCARB
= X11DRV_wglGetPbufferDCARB
;
3043 opengl_funcs
.ext
.p_wglQueryPbufferARB
= X11DRV_wglQueryPbufferARB
;
3044 opengl_funcs
.ext
.p_wglReleasePbufferDCARB
= X11DRV_wglReleasePbufferDCARB
;
3045 opengl_funcs
.ext
.p_wglSetPbufferAttribARB
= X11DRV_wglSetPbufferAttribARB
;
3048 register_extension( "WGL_ARB_pixel_format" );
3049 opengl_funcs
.ext
.p_wglChoosePixelFormatARB
= X11DRV_wglChoosePixelFormatARB
;
3050 opengl_funcs
.ext
.p_wglGetPixelFormatAttribfvARB
= X11DRV_wglGetPixelFormatAttribfvARB
;
3051 opengl_funcs
.ext
.p_wglGetPixelFormatAttribivARB
= X11DRV_wglGetPixelFormatAttribivARB
;
3053 /* Support WGL_ARB_render_texture when there's support or pbuffer based emulation */
3054 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_ARB_render_texture") ||
3055 (glxRequireVersion(3) && has_extension( WineGLInfo
.glxExtensions
, "GLX_SGIX_pbuffer") && use_render_texture_emulation
))
3057 register_extension( "WGL_ARB_render_texture" );
3058 opengl_funcs
.ext
.p_wglBindTexImageARB
= X11DRV_wglBindTexImageARB
;
3059 opengl_funcs
.ext
.p_wglReleaseTexImageARB
= X11DRV_wglReleaseTexImageARB
;
3061 /* The WGL version of GLX_NV_float_buffer requires render_texture */
3062 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_NV_float_buffer"))
3063 register_extension("WGL_NV_float_buffer");
3065 /* Again there's no GLX equivalent for this extension, so depend on the required GL extension */
3066 if (has_extension(WineGLInfo
.glExtensions
, "GL_NV_texture_rectangle"))
3067 register_extension("WGL_NV_render_texture_rectangle");
3070 /* EXT Extensions */
3072 register_extension( "WGL_EXT_extensions_string" );
3073 opengl_funcs
.ext
.p_wglGetExtensionsStringEXT
= X11DRV_wglGetExtensionsStringEXT
;
3075 /* Load this extension even when it isn't backed by a GLX extension because it is has been around for ages.
3076 * Games like Call of Duty and K.O.T.O.R. rely on it. Further our emulation is good enough. */
3077 register_extension( "WGL_EXT_swap_control" );
3078 opengl_funcs
.ext
.p_wglSwapIntervalEXT
= X11DRV_wglSwapIntervalEXT
;
3079 opengl_funcs
.ext
.p_wglGetSwapIntervalEXT
= X11DRV_wglGetSwapIntervalEXT
;
3081 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_framebuffer_sRGB"))
3082 register_extension("WGL_EXT_framebuffer_sRGB");
3084 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_fbconfig_packed_float"))
3085 register_extension("WGL_EXT_pixel_format_packed_float");
3087 if (has_extension( WineGLInfo
.glxExtensions
, "GLX_EXT_swap_control"))
3088 has_swap_control
= TRUE
;
3090 /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
3091 if (has_extension(WineGLInfo
.glExtensions
, "GL_NV_vertex_array_range"))
3093 register_extension( "WGL_NV_vertex_array_range" );
3094 opengl_funcs
.ext
.p_wglAllocateMemoryNV
= pglXAllocateMemoryNV
;
3095 opengl_funcs
.ext
.p_wglFreeMemoryNV
= pglXFreeMemoryNV
;
3098 /* WINE-specific WGL Extensions */
3100 /* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset).
3101 * The default wglSetPixelFormat doesn't allow this, so add our own which allows it.
3103 register_extension( "WGL_WINE_pixel_format_passthrough" );
3104 opengl_funcs
.ext
.p_wglSetPixelFormatWINE
= X11DRV_wglSetPixelFormatWINE
;
3109 * glxdrv_SwapBuffers
3111 * Swap the buffers of this DC
3113 static BOOL
glxdrv_wglSwapBuffers( HDC hdc
)
3115 struct x11drv_escape_flush_gl_drawable escape
;
3116 struct gl_drawable
*gl
;
3117 struct wgl_context
*ctx
= NtCurrentTeb()->glContext
;
3119 TRACE("(%p)\n", hdc
);
3121 escape
.code
= X11DRV_FLUSH_GL_DRAWABLE
;
3122 escape
.gl_drawable
= 0;
3124 if (!(gl
= get_gl_drawable( WindowFromDC( hdc
), hdc
)))
3126 SetLastError( ERROR_INVALID_HANDLE
);
3132 case DC_GL_PIXMAP_WIN
:
3133 if (ctx
) sync_context( ctx
);
3134 escape
.gl_drawable
= gl
->pixmap
;
3135 if (pglXCopySubBufferMESA
) {
3136 /* (glX)SwapBuffers has an implicit glFlush effect, however
3137 * GLX_MESA_copy_sub_buffer doesn't. Make sure GL is flushed before
3140 pglXCopySubBufferMESA( gdi_display
, gl
->drawable
, 0, 0,
3141 gl
->rect
.right
- gl
->rect
.left
, gl
->rect
.bottom
- gl
->rect
.top
);
3144 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3146 case DC_GL_CHILD_WIN
:
3147 escape
.gl_drawable
= gl
->drawable
;
3150 pglXSwapBuffers(gdi_display
, gl
->drawable
);
3154 release_gl_drawable( gl
);
3156 if (escape
.gl_drawable
) ExtEscape( ctx
->hdc
, X11DRV_ESCAPE
, sizeof(escape
), (LPSTR
)&escape
, 0, NULL
);
3160 static struct opengl_funcs opengl_funcs
=
3163 glxdrv_wglCopyContext
, /* p_wglCopyContext */
3164 glxdrv_wglCreateContext
, /* p_wglCreateContext */
3165 glxdrv_wglDeleteContext
, /* p_wglDeleteContext */
3166 glxdrv_wglDescribePixelFormat
, /* p_wglDescribePixelFormat */
3167 glxdrv_wglGetPixelFormat
, /* p_wglGetPixelFormat */
3168 glxdrv_wglGetProcAddress
, /* p_wglGetProcAddress */
3169 glxdrv_wglMakeCurrent
, /* p_wglMakeCurrent */
3170 glxdrv_wglSetPixelFormat
, /* p_wglSetPixelFormat */
3171 glxdrv_wglShareLists
, /* p_wglShareLists */
3172 glxdrv_wglSwapBuffers
, /* p_wglSwapBuffers */
3176 struct opengl_funcs
*get_glx_driver( UINT version
)
3178 if (version
!= WINE_WGL_DRIVER_VERSION
)
3180 ERR( "version mismatch, opengl32 wants %u but driver has %u\n", version
, WINE_WGL_DRIVER_VERSION
);
3183 if (has_opengl()) return &opengl_funcs
;
3187 #else /* no OpenGL includes */
3189 struct opengl_funcs
*get_glx_driver( UINT version
)
3194 void sync_gl_drawable( HWND hwnd
, const RECT
*visible_rect
, const RECT
*client_rect
)
3198 void set_gl_drawable_parent( HWND hwnd
, HWND parent
)
3202 void destroy_gl_drawable( HWND hwnd
)
3206 #endif /* defined(SONAME_LIBGL) */