wgl.c@ 49891

最後變更在這個檔案從49891是 48999,由 vboxsync 提交於 11 年前
wddm: ensure all windows are initially hidden
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1	/* Copyright (c) 2001, Stanford University
2	* All rights reserved
3	*
4	* See the file LICENSE.txt for information on redistributing this software.
5	*/
6
7	#include "cr_error.h"
8	#include "cr_spu.h"
9	#include "cr_environment.h"
10	#include "stub.h"
11
12	/* I know most of the parameters are unused, dammit. */
13	#pragma warning( disable: 4100 )
14
15	#define WIN32_LEAN_AND_MEAN
16	#include <windows.h>
17	#include <stdio.h>
18
19	#include <iprt/cdefs.h>
20
21	/* Currently host part will misbehave re-creating context with proper visual bits
22	* if contexts with alternative visual bits is requested.
23	* For now we just report a superset of all visual bits to avoid that.
24	* Better to it on the host side as well?
25	* We could also implement properly multiple pixel formats,
26	* which should be done by implementing offscreen rendering or multiple host contexts.
27	* */
28	#define VBOX_CROGL_USE_VBITS_SUPERSET
29
30	#ifdef VBOX_CROGL_USE_VBITS_SUPERSET
31	static GLuint desiredVisual = CR_RGB_BIT \| CR_ALPHA_BIT \| CR_DEPTH_BIT \| CR_STENCIL_BIT \| CR_ACCUM_BIT \| CR_DOUBLE_BIT;
32	#else
33	static GLuint desiredVisual = CR_RGB_BIT;
34	#endif
35
36	#ifndef VBOX_CROGL_USE_VBITS_SUPERSET
37	/**
38	* Compute a mask of CR_*_BIT flags which reflects the attributes of
39	* the pixel format of the given hdc.
40	*/
41	static GLuint ComputeVisBits( HDC hdc )
42	{
43	PIXELFORMATDESCRIPTOR pfd;
44	int iPixelFormat;
45	GLuint b = 0;
46
47	iPixelFormat = GetPixelFormat( hdc );
48
49	DescribePixelFormat( hdc, iPixelFormat, sizeof(pfd), &pfd );
50
51	if (pfd.cDepthBits > 0)
52	b \|= CR_DEPTH_BIT;
53	if (pfd.cAccumBits > 0)
54	b \|= CR_ACCUM_BIT;
55	if (pfd.cColorBits > 8)
56	b \|= CR_RGB_BIT;
57	if (pfd.cStencilBits > 0)
58	b \|= CR_STENCIL_BIT;
59	if (pfd.cAlphaBits > 0)
60	b \|= CR_ALPHA_BIT;
61	if (pfd.dwFlags & PFD_DOUBLEBUFFER)
62	b \|= CR_DOUBLE_BIT;
63	if (pfd.dwFlags & PFD_STEREO)
64	b \|= CR_STEREO_BIT;
65
66	return b;
67	}
68	#endif
69
70	DECLEXPORT(int) WINAPI wglChoosePixelFormat_prox( HDC hdc, CONST PIXELFORMATDESCRIPTOR *pfd )
71	{
72	DWORD okayFlags;
73
74	CR_DDI_PROLOGUE();
75
76	stubInit();
77
78	/*
79	* NOTE!!!
80	* Here we're telling the renderspu not to use the GDI
81	* equivalent's of ChoosePixelFormat/DescribePixelFormat etc
82	* There are subtle differences in the use of these calls.
83	*/
84	crSetenv("CR_WGL_DO_NOT_USE_GDI", "yes");
85
86	if ( pfd->nSize != sizeof(*pfd) \|\| pfd->nVersion != 1 ) {
87	crError( "wglChoosePixelFormat: bad pfd\n" );
88	return 0;
89	}
90
91	okayFlags = ( PFD_DRAW_TO_WINDOW \|
92	PFD_SUPPORT_GDI \|
93	PFD_SUPPORT_OPENGL \|
94	PFD_DOUBLEBUFFER \|
95	PFD_DOUBLEBUFFER_DONTCARE \|
96	PFD_SWAP_EXCHANGE \|
97	PFD_SWAP_COPY \|
98	/* @todo: this is disabled due to VSG Open Inventor interop issues
99	* it does not make any sense actually since reporting this
100	* as well as choosing a pixel format with this cap would not do anything
101	* since ICD stuff has its own pixelformat state var */
102	// PFD_STEREO \|
103	PFD_STEREO_DONTCARE \|
104	PFD_DEPTH_DONTCARE );
105	if ( pfd->dwFlags & ~okayFlags ) {
106	crWarning( "wglChoosePixelFormat: only support flags=0x%x, but you gave me flags=0x%x", okayFlags, pfd->dwFlags );
107	return 0;
108	}
109
110	if ( pfd->iPixelType != PFD_TYPE_RGBA ) {
111	crError( "wglChoosePixelFormat: only support RGBA\n" );
112	}
113
114	if ( pfd->cColorBits > 32 \|\|
115	pfd->cRedBits > 8 \|\|
116	pfd->cGreenBits > 8 \|\|
117	pfd->cBlueBits > 8 \|\|
118	pfd->cAlphaBits > 8 ) {
119	crWarning( "wglChoosePixelFormat: too much color precision requested\n" );
120	}
121
122	if ( pfd->dwFlags & PFD_DOUBLEBUFFER )
123	desiredVisual \|= CR_DOUBLE_BIT;
124
125	if ( pfd->dwFlags & PFD_STEREO )
126	desiredVisual \|= CR_STEREO_BIT;
127
128	if ( pfd->cColorBits > 8)
129	desiredVisual \|= CR_RGB_BIT;
130
131	if ( pfd->cAccumBits > 0 \|\|
132	pfd->cAccumRedBits > 0 \|\|
133	pfd->cAccumGreenBits > 0 \|\|
134	pfd->cAccumBlueBits > 0 \|\|
135	pfd->cAccumAlphaBits > 0 ) {
136	crWarning( "wglChoosePixelFormat: asked for accumulation buffer, ignoring\n" );
137	}
138
139	if ( pfd->cAccumBits > 0 )
140	desiredVisual \|= CR_ACCUM_BIT;
141
142	if ( pfd->cDepthBits > 32 ) {
143	crError( "wglChoosePixelFormat; asked for too many depth bits\n" );
144	}
145
146	if ( pfd->cDepthBits > 0 )
147	desiredVisual \|= CR_DEPTH_BIT;
148
149	if ( pfd->cStencilBits > 8 ) {
150	crError( "wglChoosePixelFormat: asked for too many stencil bits\n" );
151	}
152
153	if ( pfd->cStencilBits > 0 )
154	desiredVisual \|= CR_STENCIL_BIT;
155
156	if ( pfd->cAuxBuffers > 0 ) {
157	crError( "wglChoosePixelFormat: asked for aux buffers\n" );
158	}
159
160	if ( pfd->iLayerType != PFD_MAIN_PLANE ) {
161	crError( "wglChoosePixelFormat: asked for a strange layer\n" );
162	}
163
164	return 1;
165	}
166
167	DECLEXPORT(BOOL) WINAPI wglSetPixelFormat_prox( HDC hdc, int pixelFormat,
168	CONST PIXELFORMATDESCRIPTOR *pdf )
169	{
170	CR_DDI_PROLOGUE();
171
172	if ( pixelFormat != 1 ) {
173	crError( "wglSetPixelFormat: pixelFormat=%d?\n", pixelFormat );
174	}
175
176	return 1;
177	}
178
179	DECLEXPORT(BOOL) WINAPI wglDeleteContext_prox( HGLRC hglrc )
180	{
181	CR_DDI_PROLOGUE();
182	stubDestroyContext( (unsigned long) hglrc );
183	return 1;
184	}
185
186	DECLEXPORT(BOOL) WINAPI wglMakeCurrent_prox( HDC hdc, HGLRC hglrc )
187	{
188	ContextInfo *context;
189	WindowInfo *window;
190	BOOL ret;
191
192	CR_DDI_PROLOGUE();
193
194	crHashtableLock(stub.windowTable);
195	crHashtableLock(stub.contextTable);
196
197	context = (ContextInfo *) crHashtableSearch(stub.contextTable, (unsigned long) hglrc);
198	window = stubGetWindowInfo(hdc);
199
200	if (hglrc!=0 && !context)
201	{
202	crWarning("wglMakeCurrent got unexpected hglrc 0x%x", hglrc);
203	}
204
205	ret = stubMakeCurrent( window, context );
206
207	crHashtableUnlock(stub.contextTable);
208	crHashtableUnlock(stub.windowTable);
209
210	return ret;
211	}
212
213	DECLEXPORT(HGLRC) WINAPI wglGetCurrentContext_prox( void )
214	{
215	ContextInfo *context = stubGetCurrentContext();
216	CR_DDI_PROLOGUE();
217	return (HGLRC) (context ? context->id : 0);
218	}
219
220	DECLEXPORT(HDC) WINAPI wglGetCurrentDC_prox( void )
221	{
222	ContextInfo *context = stubGetCurrentContext();
223	CR_DDI_PROLOGUE();
224	if (context && context->currentDrawable)
225	return (HDC) context->currentDrawable->drawable;
226	else
227	return (HDC) NULL;
228	}
229
230	DECLEXPORT(int) WINAPI wglGetPixelFormat_prox( HDC hdc )
231	{
232	CR_DDI_PROLOGUE();
233	/* this is what we call our generic pixelformat, regardless of the HDC */
234	return 1;
235	}
236
237	DECLEXPORT(int) WINAPI wglDescribePixelFormat_prox( HDC hdc, int pixelFormat, UINT nBytes,
238	LPPIXELFORMATDESCRIPTOR pfd )
239	{
240	CR_DDI_PROLOGUE();
241
242	/* if ( pixelFormat != 1 ) {
243	* crError( "wglDescribePixelFormat: pixelFormat=%d?\n", pixelFormat );
244	* return 0;
245	* } */
246
247	if ( !pfd ) {
248	crWarning( "wglDescribePixelFormat: pfd=NULL\n" );
249	return 1; /* There's only one, baby */
250	}
251
252	if ( nBytes != sizeof(*pfd) ) {
253	crWarning( "wglDescribePixelFormat: nBytes=%u?\n", nBytes );
254	return 1; /* There's only one, baby */
255	}
256
257	pfd->nSize = sizeof(*pfd);
258	pfd->nVersion = 1;
259	pfd->dwFlags = ( PFD_DRAW_TO_WINDOW \|
260	PFD_SUPPORT_GDI \|
261	PFD_SUPPORT_OPENGL \|
262	PFD_DOUBLEBUFFER );
263	pfd->iPixelType = PFD_TYPE_RGBA;
264	pfd->cColorBits = 32;
265	pfd->cRedBits = 8;
266	pfd->cRedShift = 24;
267	pfd->cGreenBits = 8;
268	pfd->cGreenShift = 16;
269	pfd->cBlueBits = 8;
270	pfd->cBlueShift = 8;
271	pfd->cAlphaBits = 8;
272	pfd->cAlphaShift = 0;
273	pfd->cAccumBits = 0;
274	pfd->cAccumRedBits = 0;
275	pfd->cAccumGreenBits = 0;
276	pfd->cAccumBlueBits = 0;
277	pfd->cAccumAlphaBits = 0;
278	pfd->cDepthBits = 32;
279	pfd->cStencilBits = 8;
280	pfd->cAuxBuffers = 0;
281	pfd->iLayerType = PFD_MAIN_PLANE;
282	pfd->bReserved = 0;
283	pfd->dwLayerMask = 0;
284	pfd->dwVisibleMask = 0;
285	pfd->dwDamageMask = 0;
286
287	/* the max PFD index */
288	return 1;
289	}
290
291	DECLEXPORT(BOOL) WINAPI wglShareLists_prox( HGLRC hglrc1, HGLRC hglrc2 )
292	{
293	CR_DDI_PROLOGUE();
294	crWarning( "wglShareLists: unsupported" );
295	return 0;
296	}
297
298	DECLEXPORT(void) WINAPI VBoxCtxChromiumParameteriCR(HGLRC hglrc, GLenum param, GLint value)
299	{
300	ContextInfo *context;
301
302	CR_DDI_PROLOGUE();
303
304	// crHashtableLock(stub.windowTable);
305	crHashtableLock(stub.contextTable);
306
307	context = (ContextInfo *) crHashtableSearch(stub.contextTable, (unsigned long) hglrc);
308
309	if (context)
310	{
311	stubCtxCheckCreate(context);
312	stubConChromiumParameteriCR(CR_CTX_CON(context), param, value);
313	}
314	else
315	crWarning("invalid context %#x", hglrc);
316
317	crHashtableUnlock(stub.contextTable);
318	// crHashtableUnlock(stub.windowTable);
319	}
320
321	DECLEXPORT(HGLRC) WINAPI VBoxCreateContext( HDC hdc, struct VBOXUHGSMI *pHgsmi )
322	{
323	char dpyName[MAX_DPY_NAME];
324	ContextInfo *context;
325
326	CR_DDI_PROLOGUE();
327
328	stubInit();
329
330	CRASSERT(stub.contextTable);
331
332	sprintf(dpyName, "%d", hdc);
333	#ifndef VBOX_CROGL_USE_VBITS_SUPERSET
334	if (stub.haveNativeOpenGL)
335	desiredVisual \|= ComputeVisBits( hdc );
336	#endif
337
338	context = stubNewContext(dpyName, desiredVisual, UNDECIDED, 0
339	#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
340	, pHgsmi
341	#else
342	, NULL
343	#endif
344	);
345	if (!context)
346	return 0;
347
348	return (HGLRC) context->id;
349	}
350
351	DECLEXPORT(GLint) WINAPI VBoxGetWindowId( HDC hdc )
352	{
353	WindowInfo *window;
354	GLint winid = 0;
355
356	CR_DDI_PROLOGUE();
357
358	crHashtableLock(stub.windowTable);
359
360	window = stubGetWindowInfo(hdc);
361	if (!window)
362	{
363	crWarning("stubGetWindowInfo: window not found!");
364	goto end;
365	}
366	if (!window->spuWindow)
367	{
368	crWarning("stubGetWindowInfo: window is null!");
369	goto end;
370	}
371
372	winid = window->spuWindow;
373
374	end:
375	crHashtableUnlock(stub.windowTable);
376	return winid;
377	}
378
379	DECLEXPORT(GLint) WINAPI VBoxGetContextId( HGLRC hglrc )
380	{
381	ContextInfo *context;
382	GLint ctxid = 0;
383
384	CR_DDI_PROLOGUE();
385
386	// crHashtableLock(stub.windowTable);
387	crHashtableLock(stub.contextTable);
388
389	context = (ContextInfo *) crHashtableSearch(stub.contextTable, (unsigned long) hglrc);
390	if (!context)
391	{
392	crWarning("crHashtableSearch: context not found!");
393	goto end;
394	}
395
396	if (context->type != CHROMIUM)
397	{
398	crWarning("unexpected context type %d", context->type);
399	goto end;
400	}
401
402	if (context->spuContext <= 0)
403	{
404	crWarning("no spuSontext defined");
405	goto end;
406	}
407
408	ctxid = context->spuContext;
409
410	end:
411	crHashtableUnlock(stub.contextTable);
412	return ctxid;
413	}
414
415
416	DECLEXPORT(HGLRC) WINAPI wglCreateContext_prox( HDC hdc )
417	{
418	return VBoxCreateContext(hdc, NULL);
419	}
420
421	DECLEXPORT(void) WINAPI VBoxFlushToHost ( HGLRC hglrc )
422	{
423	ContextInfo *context;
424
425	CR_DDI_PROLOGUE();
426
427	// crHashtableLock(stub.windowTable);
428	crHashtableLock(stub.contextTable);
429
430	context = (ContextInfo *) crHashtableSearch(stub.contextTable, (unsigned long) hglrc);
431
432	if (context)
433	stubConFlush(CR_CTX_CON(context));
434	else
435	crWarning("invalid context %#x", hglrc);
436
437	crHashtableUnlock(stub.contextTable);
438	// crHashtableUnlock(stub.windowTable);
439	}
440
441	DECLEXPORT(BOOL) WINAPI
442	wglSwapBuffers_prox( HDC hdc )
443	{
444	WindowInfo *window = stubGetWindowInfo(hdc);
445	CR_DDI_PROLOGUE();
446	stubSwapBuffers( window, 0 );
447	return 1;
448	}
449
450	DECLEXPORT(BOOL) WINAPI wglCopyContext_prox( HGLRC src, HGLRC dst, UINT mask )
451	{
452	CR_DDI_PROLOGUE();
453	crWarning( "wglCopyContext: unsupported" );
454	return 0;
455	}
456
457	DECLEXPORT(HGLRC) WINAPI wglCreateLayerContext_prox( HDC hdc, int layerPlane )
458	{
459	CR_DDI_PROLOGUE();
460	stubInit();
461	crWarning( "wglCreateLayerContext: unsupported" );
462	return 0;
463	}
464
465	DECLEXPORT(PROC) WINAPI wglGetProcAddress_prox( LPCSTR name )
466	{
467	CR_DDI_PROLOGUE();
468	return (PROC) crGetProcAddress( name );
469	}
470
471	DECLEXPORT(BOOL) WINAPI wglUseFontBitmapsA_prox( HDC hdc, DWORD first, DWORD count, DWORD listBase )
472	{
473	CR_DDI_PROLOGUE();
474	crWarning( "wglUseFontBitmapsA: unsupported" );
475	return 0;
476	}
477
478	DECLEXPORT(BOOL) WINAPI wglUseFontBitmapsW_prox( HDC hdc, DWORD first, DWORD count, DWORD listBase )
479	{
480	CR_DDI_PROLOGUE();
481	crWarning( "wglUseFontBitmapsW: unsupported" );
482	return 0;
483	}
484
485	DECLEXPORT(BOOL) WINAPI wglDescribeLayerPlane_prox( HDC hdc, int pixelFormat, int layerPlane,
486	UINT nBytes, LPLAYERPLANEDESCRIPTOR lpd )
487	{
488	CR_DDI_PROLOGUE();
489	crWarning( "wglDescribeLayerPlane: unimplemented" );
490	return 0;
491	}
492
493	DECLEXPORT(int) WINAPI wglSetLayerPaletteEntries_prox( HDC hdc, int layerPlane, int start,
494	int entries, CONST COLORREF *cr )
495	{
496	CR_DDI_PROLOGUE();
497	crWarning( "wglSetLayerPaletteEntries: unsupported" );
498	return 0;
499	}
500
501	DECLEXPORT(int) WINAPI wglGetLayerPaletteEntries_prox( HDC hdc, int layerPlane, int start,
502	int entries, COLORREF *cr )
503	{
504	CR_DDI_PROLOGUE();
505	crWarning( "wglGetLayerPaletteEntries: unsupported" );
506	return 0;
507	}
508
509	DECLEXPORT(BOOL) WINAPI wglRealizeLayerPalette_prox( HDC hdc, int layerPlane, BOOL realize )
510	{
511	CR_DDI_PROLOGUE();
512	crWarning( "wglRealizeLayerPalette: unsupported" );
513	return 0;
514	}
515
516	DECLEXPORT(DWORD) WINAPI wglSwapMultipleBuffers_prox( UINT a, CONST void *b )
517	{
518	CR_DDI_PROLOGUE();
519	crWarning( "wglSwapMultipleBuffer: unsupported" );
520	return 0;
521	}
522
523	DECLEXPORT(BOOL) WINAPI wglUseFontOutlinesA_prox( HDC hdc, DWORD first, DWORD count, DWORD listBase,
524	FLOAT deviation, FLOAT extrusion, int format,
525	LPGLYPHMETRICSFLOAT gmf )
526	{
527	CR_DDI_PROLOGUE();
528	crWarning( "wglUseFontOutlinesA: unsupported" );
529	return 0;
530	}
531
532	DECLEXPORT(BOOL) WINAPI wglUseFontOutlinesW_prox( HDC hdc, DWORD first, DWORD count, DWORD listBase,
533	FLOAT deviation, FLOAT extrusion, int format,
534	LPGLYPHMETRICSFLOAT gmf )
535	{
536	CR_DDI_PROLOGUE();
537	crWarning( "wglUseFontOutlinesW: unsupported" );
538	return 0;
539	}
540
541	DECLEXPORT(BOOL) WINAPI wglSwapLayerBuffers_prox( HDC hdc, UINT planes )
542	{
543	CR_DDI_PROLOGUE();
544	if (planes == WGL_SWAP_MAIN_PLANE)
545	{
546	return wglSwapBuffers_prox(hdc);
547	}
548	else
549	{
550	crWarning( "wglSwapLayerBuffers: unsupported" );
551	return 0;
552	}
553	}
554
555	DECLEXPORT(BOOL) WINAPI wglChoosePixelFormatEXT_prox
556	(HDC hdc, const int piAttributes, const FLOAT pfAttributes, UINT nMaxFormats, int piFormats, UINT nNumFormats)
557	{
558	int *pi;
559	int wants_rgb = 0;
560
561	CR_DDI_PROLOGUE();
562
563	stubInit();
564
565	/* TODO : Need to check pfAttributes too ! */
566
567	for ( pi = (int )piAttributes; pi != 0; pi++ )
568	{
569	switch ( *pi )
570	{
571	case WGL_COLOR_BITS_EXT:
572	if (pi[1] > 8)
573	wants_rgb = 1;
574	pi++;
575	break;
576
577	case WGL_RED_BITS_EXT:
578	case WGL_GREEN_BITS_EXT:
579	case WGL_BLUE_BITS_EXT:
580	if (pi[1] > 3)
581	wants_rgb = 1;
582	pi++;
583	break;
584
585	case WGL_ACCUM_ALPHA_BITS_EXT:
586	case WGL_ALPHA_BITS_EXT:
587	if (pi[1] > 0)
588	desiredVisual \|= CR_ALPHA_BIT;
589	pi++;
590	break;
591
592	case WGL_DOUBLE_BUFFER_EXT:
593	if (pi[1] > 0)
594	desiredVisual \|= CR_DOUBLE_BIT;
595	pi++;
596	break;
597
598	case WGL_STEREO_EXT:
599	if (pi[1] > 0)
600	{
601	/* @todo: this is disabled due to VSG Open Inventor interop issues
602	* it does not make any sense actually since reporting this
603	* as well as choosing a pixel format with this cap would not do anything
604	* since ICD stuff has its own pixelformat state var */
605	crWarning("WGL_STEREO_EXT not supporteed!");
606	return 0;
607	// desiredVisual \|= CR_STEREO_BIT;
608	}
609	pi++;
610	break;
611
612	case WGL_DEPTH_BITS_EXT:
613	if (pi[1] > 0)
614	desiredVisual \|= CR_DEPTH_BIT;
615	pi++;
616	break;
617
618	case WGL_STENCIL_BITS_EXT:
619	if (pi[1] > 0)
620	desiredVisual \|= CR_STENCIL_BIT;
621	pi++;
622	break;
623
624	case WGL_ACCUM_RED_BITS_EXT:
625	case WGL_ACCUM_GREEN_BITS_EXT:
626	case WGL_ACCUM_BLUE_BITS_EXT:
627	if (pi[1] > 0)
628	desiredVisual \|= CR_ACCUM_BIT;
629	pi++;
630	break;
631
632	case WGL_SAMPLE_BUFFERS_EXT:
633	case WGL_SAMPLES_EXT:
634	if (pi[1] > 0)
635	{
636	/* @todo: this is disabled due to VSG Open Inventor interop issues
637	* it does not make any sense actually since reporting this
638	* as well as choosing a pixel format with this cap would not do anything
639	* since ICD stuff has its own pixelformat state var */
640	crWarning("WGL_SAMPLE_BUFFERS_EXT & WGL_SAMPLES_EXT not supporteed!");
641	return 0;
642	// desiredVisual \|= CR_MULTISAMPLE_BIT;
643	}
644	pi++;
645	break;
646
647	case WGL_SUPPORT_OPENGL_ARB:
648	case WGL_DRAW_TO_WINDOW_ARB:
649	case WGL_ACCELERATION_ARB:
650	pi++;
651	break;
652
653	case WGL_PIXEL_TYPE_ARB:
654	if(pi[1]!=WGL_TYPE_RGBA_ARB)
655	{
656	crWarning("WGL_PIXEL_TYPE 0x%x not supported!", pi[1]);
657	return 0;
658	}
659	pi++;
660	break;
661
662	default:
663	crWarning( "wglChoosePixelFormatEXT: bad pi=0x%x", *pi );
664	return 0;
665	}
666	}
667
668	if (nNumFormats) *nNumFormats = 1;
669	if (nMaxFormats>0 && piFormats)
670	{
671	piFormats[0] = 1;
672	}
673
674	return 1;
675	}
676
677	DECLEXPORT(BOOL) WINAPI wglGetPixelFormatAttribivEXT_prox
678	(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int piAttributes, int pValues)
679	{
680	UINT i;
681
682	CR_DDI_PROLOGUE();
683
684	if (!pValues \|\| !piAttributes) return 0;
685
686	if ((nAttributes!=1) \|\| (piAttributes && piAttributes[0]!=WGL_NUMBER_PIXEL_FORMATS_ARB))
687	{
688	if (iPixelFormat!=1)
689	{
690	crDebug("wglGetPixelFormatAttribivARB: bad pf:%i", iPixelFormat);
691	return 0;
692	}
693	}
694
695	for (i=0; i<nAttributes; ++i)
696	{
697	switch (piAttributes[i])
698	{
699	case WGL_NUMBER_PIXEL_FORMATS_ARB:
700	pValues[i] = 1;
701	break;
702	case WGL_DRAW_TO_WINDOW_ARB:
703	case WGL_SUPPORT_OPENGL_ARB:
704	case WGL_DOUBLE_BUFFER_ARB:
705	pValues[i] = 1;
706	break;
707	case WGL_STEREO_ARB:
708	/* @todo: this is disabled due to VSG Open Inventor interop issues
709	* it does not make any sense actually since reporting this
710	* as well as choosing a pixel format with this cap would not do anything
711	* since ICD stuff has its own pixelformat state var */
712	pValues[i] = 0;
713	break;
714	case WGL_DRAW_TO_BITMAP_ARB:
715	case WGL_NEED_PALETTE_ARB:
716	case WGL_NEED_SYSTEM_PALETTE_ARB:
717	case WGL_SWAP_LAYER_BUFFERS_ARB:
718	case WGL_NUMBER_OVERLAYS_ARB:
719	case WGL_NUMBER_UNDERLAYS_ARB:
720	case WGL_TRANSPARENT_ARB:
721	case WGL_TRANSPARENT_RED_VALUE_ARB:
722	case WGL_TRANSPARENT_GREEN_VALUE_ARB:
723	case WGL_TRANSPARENT_BLUE_VALUE_ARB:
724	case WGL_TRANSPARENT_ALPHA_VALUE_ARB:
725	case WGL_TRANSPARENT_INDEX_VALUE_ARB:
726	case WGL_SHARE_DEPTH_ARB:
727	case WGL_SHARE_STENCIL_ARB:
728	case WGL_SHARE_ACCUM_ARB:
729	case WGL_SUPPORT_GDI_ARB:
730	pValues[i] = 0;
731	break;
732	case WGL_ACCELERATION_ARB:
733	pValues[i] = WGL_FULL_ACCELERATION_ARB;
734	break;
735	case WGL_SWAP_METHOD_ARB:
736	pValues[i] = WGL_SWAP_UNDEFINED_ARB;
737	break;
738	case WGL_PIXEL_TYPE_ARB:
739	pValues[i] = WGL_TYPE_RGBA_ARB;
740	break;
741	case WGL_COLOR_BITS_ARB:
742	pValues[i] = 32;
743	break;
744	case WGL_RED_BITS_ARB:
745	case WGL_GREEN_BITS_ARB:
746	case WGL_BLUE_BITS_ARB:
747	case WGL_ALPHA_BITS_ARB:
748	pValues[i] = 8;
749	break;
750	case WGL_RED_SHIFT_ARB:
751	pValues[i] = 24;
752	break;
753	case WGL_GREEN_SHIFT_ARB:
754	pValues[i] = 16;
755	break;
756	case WGL_BLUE_SHIFT_ARB:
757	pValues[i] = 8;
758	break;
759	case WGL_ALPHA_SHIFT_ARB:
760	pValues[i] = 0;
761	break;
762	case WGL_ACCUM_BITS_ARB:
763	pValues[i] = 0;
764	break;
765	case WGL_ACCUM_RED_BITS_ARB:
766	pValues[i] = 0;
767	break;
768	case WGL_ACCUM_GREEN_BITS_ARB:
769	pValues[i] = 0;
770	break;
771	case WGL_ACCUM_BLUE_BITS_ARB:
772	pValues[i] = 0;
773	break;
774	case WGL_ACCUM_ALPHA_BITS_ARB:
775	pValues[i] = 0;
776	break;
777	case WGL_DEPTH_BITS_ARB:
778	pValues[i] = 32;
779	break;
780	case WGL_STENCIL_BITS_ARB:
781	pValues[i] = 8;
782	break;
783	case WGL_AUX_BUFFERS_ARB:
784	pValues[i] = 0;
785	break;
786	case WGL_SAMPLE_BUFFERS_EXT:
787	/* @todo: this is disabled due to VSG Open Inventor interop issues
788	* it does not make any sense actually since reporting this
789	* as well as choosing a pixel format with this cap would not do anything
790	* since ICD stuff has its own pixelformat state var */
791	pValues[i] = 0;
792	break;
793	case WGL_SAMPLES_EXT:
794	/* @todo: this is disabled due to VSG Open Inventor interop issues
795	* it does not make any sense actually since reporting this
796	* as well as choosing a pixel format with this cap would not do anything
797	* since ICD stuff has its own pixelformat state var */
798	pValues[i] = 0;
799	break;
800	case 0x202d: /* <- WGL_DRAW_TO_PBUFFER_ARB this is to make VSG Open Inventor happy */
801	pValues[i] = 0;
802	break;
803	default:
804	crWarning("wglGetPixelFormatAttribivARB: bad attrib=0x%x", piAttributes[i]);
805	return 0;
806	}
807	}
808
809	return 1;
810	}
811
812	DECLEXPORT(BOOL) WINAPI wglGetPixelFormatAttribfvEXT_prox
813	(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int piAttributes, float pValues)
814	{
815	UINT i;
816
817	CR_DDI_PROLOGUE();
818
819	if (!pValues \|\| !piAttributes) return 0;
820
821	if ((nAttributes!=1) \|\| (piAttributes && piAttributes[0]!=WGL_NUMBER_PIXEL_FORMATS_ARB))
822	{
823	if (iPixelFormat!=1)
824	{
825	crDebug("wglGetPixelFormatAttribivARB: bad pf:%i", iPixelFormat);
826	return 0;
827	}
828	}
829
830	for (i=0; i<nAttributes; ++i)
831	{
832	switch (piAttributes[i])
833	{
834	case WGL_NUMBER_PIXEL_FORMATS_ARB:
835	pValues[i] = 1.f;
836	break;
837	case WGL_DRAW_TO_WINDOW_ARB:
838	case WGL_SUPPORT_OPENGL_ARB:
839	case WGL_DOUBLE_BUFFER_ARB:
840	pValues[i] = 1.f;
841	break;
842	case WGL_STEREO_ARB:
843	/* @todo: this is disabled due to VSG Open Inventor interop issues
844	* it does not make any sense actually since reporting this
845	* as well as choosing a pixel format with this cap would not do anything
846	* since ICD stuff has its own pixelformat state var */
847	pValues[i] = 0.f;
848	break;
849	case WGL_DRAW_TO_BITMAP_ARB:
850	case WGL_NEED_PALETTE_ARB:
851	case WGL_NEED_SYSTEM_PALETTE_ARB:
852	case WGL_SWAP_LAYER_BUFFERS_ARB:
853	case WGL_NUMBER_OVERLAYS_ARB:
854	case WGL_NUMBER_UNDERLAYS_ARB:
855	case WGL_TRANSPARENT_ARB:
856	case WGL_TRANSPARENT_RED_VALUE_ARB:
857	case WGL_TRANSPARENT_GREEN_VALUE_ARB:
858	case WGL_TRANSPARENT_BLUE_VALUE_ARB:
859	case WGL_TRANSPARENT_ALPHA_VALUE_ARB:
860	case WGL_TRANSPARENT_INDEX_VALUE_ARB:
861	case WGL_SHARE_DEPTH_ARB:
862	case WGL_SHARE_STENCIL_ARB:
863	case WGL_SHARE_ACCUM_ARB:
864	case WGL_SUPPORT_GDI_ARB:
865	pValues[i] = 0.f;
866	break;
867	case WGL_ACCELERATION_ARB:
868	pValues[i] = WGL_FULL_ACCELERATION_ARB;
869	break;
870	case WGL_SWAP_METHOD_ARB:
871	pValues[i] = WGL_SWAP_UNDEFINED_ARB;
872	break;
873	case WGL_PIXEL_TYPE_ARB:
874	pValues[i] = WGL_TYPE_RGBA_ARB;
875	break;
876	case WGL_COLOR_BITS_ARB:
877	pValues[i] = 32.f;
878	break;
879	case WGL_RED_BITS_ARB:
880	case WGL_GREEN_BITS_ARB:
881	case WGL_BLUE_BITS_ARB:
882	case WGL_ALPHA_BITS_ARB:
883	pValues[i] = 8.f;
884	break;
885	case WGL_RED_SHIFT_ARB:
886	pValues[i] = 24.f;
887	break;
888	case WGL_GREEN_SHIFT_ARB:
889	pValues[i] = 16.f;
890	break;
891	case WGL_BLUE_SHIFT_ARB:
892	pValues[i] = 8.f;
893	break;
894	case WGL_ALPHA_SHIFT_ARB:
895	pValues[i] = 0.f;
896	break;
897	case WGL_ACCUM_BITS_ARB:
898	pValues[i] = 0.f;
899	break;
900	case WGL_ACCUM_RED_BITS_ARB:
901	pValues[i] = 0.f;
902	break;
903	case WGL_ACCUM_GREEN_BITS_ARB:
904	pValues[i] = 0.f;
905	break;
906	case WGL_ACCUM_BLUE_BITS_ARB:
907	pValues[i] = 0.f;
908	break;
909	case WGL_ACCUM_ALPHA_BITS_ARB:
910	pValues[i] = 0.f;
911	break;
912	case WGL_DEPTH_BITS_ARB:
913	pValues[i] = 32.f;
914	break;
915	case WGL_STENCIL_BITS_ARB:
916	pValues[i] = 8.f;
917	break;
918	case WGL_AUX_BUFFERS_ARB:
919	pValues[i] = 0.f;
920	break;
921	case WGL_SAMPLE_BUFFERS_EXT:
922	/* @todo: this is disabled due to VSG Open Inventor interop issues
923	* it does not make any sense actually since reporting this
924	* as well as choosing a pixel format with this cap would not do anything
925	* since ICD stuff has its own pixelformat state var */
926	pValues[i] = 0.f;
927	break;
928	case WGL_SAMPLES_EXT:
929	/* @todo: this is disabled due to VSG Open Inventor interop issues
930	* it does not make any sense actually since reporting this
931	* as well as choosing a pixel format with this cap would not do anything
932	* since ICD stuff has its own pixelformat state var */
933	pValues[i] = 0.f;
934	break;
935	case 0x202d: /* <- WGL_DRAW_TO_PBUFFER_ARB this is to make VSG Open Inventor happy */
936	pValues[i] = 0.f;
937	break;
938	default:
939	crWarning("wglGetPixelFormatAttribivARB: bad attrib=0x%x", piAttributes[i]);
940	return 0;
941	}
942	}
943
944	return 1;
945	}
946
947	DECLEXPORT(BOOL) WINAPI wglSwapIntervalEXT_prox(int interval)
948	{
949	CR_DDI_PROLOGUE();
950	return TRUE;
951	}
952
953	DECLEXPORT(int) WINAPI wglGetSwapIntervalEXT_prox()
954	{
955	CR_DDI_PROLOGUE();
956	return 1;
957	}
958
959	static GLubyte *gsz_wgl_extensions = "WGL_EXT_pixel_format WGL_ARB_pixel_format WGL_ARB_multisample";
960
961	DECLEXPORT(const GLubyte *) WINAPI wglGetExtensionsStringEXT_prox()
962	{
963	CR_DDI_PROLOGUE();
964	return gsz_wgl_extensions;
965	}
966
967	DECLEXPORT(const GLubyte *) WINAPI wglGetExtensionsStringARB_prox(HDC hdc)
968	{
969	CR_DDI_PROLOGUE();
970	(void) hdc;
971
972	return gsz_wgl_extensions;
973	}

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source: vbox/trunk/src/VBox/Additions/common/crOpenGL/wgl.c@ 49891

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