renderspu_wgl.c@ 39736

Last change on this file since 39736 was 39736, checked in by vboxsync, 13 years ago
coOpenGL: followup to fix XP hosts, bugs #10071 and #10088
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 44.4 KB

Line
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
8	#define WIN32_LEAN_AND_MEAN
9	#include <windows.h>
10
11	#include <stdlib.h>
12	#include <stdio.h>
13	#include <memory.h>
14
15	#include "cr_environment.h"
16	#include "cr_error.h"
17	#include "cr_string.h"
18	#include "renderspu.h"
19	#include "cr_mem.h"
20
21
22	/* IAT patcher stuff */
23	#define RVA2PTR(_t, _base, _off) ((_t)(((uint8_t)(_base)) + (_off)))
24
25	int renderspuIatPatcherGetImportAddress(HMODULE hModule, LPCSTR pszLib, LPCSTR pszName, void** ppAdr)
26	{
27	PIMAGE_DOS_HEADER pDosHdr = (PIMAGE_DOS_HEADER)hModule;
28	PIMAGE_NT_HEADERS pNtHdr;
29	PIMAGE_IMPORT_DESCRIPTOR pImportDr;
30	DWORD rvaImport;
31
32	crDebug("searching entry %s from %s", pszName, pszLib);
33
34	*ppAdr = 0;
35
36	if (pDosHdr->e_magic != IMAGE_DOS_SIGNATURE)
37	{
38	crWarning("invalid dos signature");
39	return VERR_INVALID_HANDLE;
40	}
41	pNtHdr = RVA2PTR(IMAGE_NT_HEADERS, pDosHdr, pDosHdr->e_lfanew);
42	if (pNtHdr->Signature != IMAGE_NT_SIGNATURE)
43	{
44	crWarning("invalid nt signature");
45	return VERR_INVALID_HANDLE;
46	}
47	rvaImport = pNtHdr->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress;
48	if (!rvaImport)
49	{
50	crWarning("no imports found");
51	return VERR_NOT_FOUND;
52	}
53	pImportDr = RVA2PTR(IMAGE_IMPORT_DESCRIPTOR, pDosHdr, rvaImport);
54
55	for ( ;pImportDr->TimeDateStamp != 0 \|\| pImportDr->Name != 0; ++pImportDr)
56	{
57	DWORD rvaINT, rvaIAT;
58	PIMAGE_THUNK_DATA pINT, pIAT;
59	LPCSTR pszLibCur = RVA2PTR(char, pDosHdr, pImportDr->Name);
60	if (stricmp(pszLibCur, pszLib))
61	continue;
62
63	/* got the necessary lib! */
64	crDebug("got info for lib");
65
66	rvaINT = pImportDr->OriginalFirstThunk;
67	rvaIAT = pImportDr->FirstThunk;
68
69	if (!rvaINT \|\| !rvaIAT)
70	{
71	crWarning("either rvaINT(0x%x) or rvaIAT(0x%x) are NULL, nothing found!", rvaINT, rvaIAT);
72	return VERR_NOT_FOUND;
73	}
74
75	pINT = RVA2PTR(IMAGE_THUNK_DATA, pDosHdr, rvaINT);
76	pIAT = RVA2PTR(IMAGE_THUNK_DATA, pDosHdr, rvaIAT);
77
78	for ( ; pINT->u1.AddressOfData; ++pINT, ++pIAT)
79	{
80	PIMAGE_IMPORT_BY_NAME pIbn;
81
82	if (IMAGE_SNAP_BY_ORDINAL(pINT->u1.Ordinal))
83	continue;
84
85	pIbn = RVA2PTR(IMAGE_IMPORT_BY_NAME, pDosHdr, pINT->u1.AddressOfData);
86
87	if (stricmp(pszName, (char*)pIbn->Name))
88	continue;
89
90	*ppAdr = &pIAT->u1.Function;
91
92	crDebug("search succeeded!");
93	return VINF_SUCCESS;
94	}
95	}
96
97	crDebug("not found");
98	return VERR_NOT_FOUND;
99	}
100
101	int renderspuIatPatcherPatchEntry(void pvEntry, void pvValue, void **ppvOldVal)
102	{
103	void ppfn = (void)pvEntry;
104	DWORD dwOldProtect = 0;
105
106	if (!VirtualProtect(pvEntry, sizeof (pvEntry), PAGE_READWRITE, &dwOldProtect))
107	{
108	crWarning("VirtualProtect 1 failed, %d", GetLastError());
109	return VERR_ACCESS_DENIED;
110	}
111
112	if (ppvOldVal)
113	ppvOldVal = ppfn;
114	*ppfn = pvValue;
115
116	if (!VirtualProtect(pvEntry, sizeof (pvEntry), dwOldProtect, &dwOldProtect))
117	{
118	crWarning("VirtualProtect 2 failed, %d.. ignoring", GetLastError());
119	}
120
121	return VINF_SUCCESS;
122	}
123
124
125	int renderspuIatPatcherPatchFunction(HMODULE hModule, LPCSTR pszLib, LPCSTR pszName, void* pfn)
126	{
127	void* pAdr;
128	int rc = renderspuIatPatcherGetImportAddress(hModule, pszLib, pszName, &pAdr);
129	if (RT_FAILURE(rc))
130	{
131	crDebug("renderspuIatPatcherGetImportAddress failed, %d", rc);
132	return rc;
133	}
134
135	rc = renderspuIatPatcherPatchEntry(pAdr, pfn, NULL);
136	if (RT_FAILURE(rc))
137	{
138	crWarning("renderspuIatPatcherPatchEntry failed, %d", rc);
139	return rc;
140	}
141
142	return VINF_SUCCESS;
143	}
144
145	/* patch */
146	static HWND __stdcall renderspuAtiQuirk_GetForegroundWindow()
147	{
148	crDebug("renderspuAtiQuirk_GetForegroundWindow");
149	return NULL;
150	}
151
152
153	#define CRREG_MAXKEYNAME 8
154	static int renderspuAtiQuirk_GetICDDriverList(char pBuf, DWORD cbBuf, DWORD pcbResult)
155	{
156	static LPCSTR aValueNames[] = {"OpenGLVendorName", "OpenGLDriverName"};
157	char *pBufPos = pBuf;
158	DWORD cbBufRemain = cbBuf, cbTotal = 0;
159	HKEY hKey, hSubkey;
160	DWORD dwIndex = 0;
161	int i;
162	int rc = VINF_SUCCESS;
163	char NameBuf[CRREG_MAXKEYNAME];
164	LONG lRc;
165
166	if (pcbResult)
167	*pcbResult = 0;
168
169	lRc = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
170	"SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E968-E325-11CE-BFC1-08002BE10318}",
171	0, /* reserved*/
172	KEY_READ,
173	&hKey);
174	if (ERROR_SUCCESS != lRc)
175	{
176	crDebug("RegOpenKeyEx 1 failed, %d", lRc);
177	return VERR_OPEN_FAILED;
178	}
179
180	for ( ; ; ++dwIndex)
181	{
182	lRc = RegEnumKeyA(hKey, dwIndex, NameBuf, CRREG_MAXKEYNAME);
183	if (lRc == ERROR_NO_MORE_ITEMS)
184	break;
185	if (lRc == ERROR_MORE_DATA)
186	continue;
187	if (lRc != ERROR_SUCCESS)
188	{
189	crWarning("RegEnumKeyA failed, %d", lRc);
190	continue;
191	}
192
193	lRc = RegOpenKeyEx(hKey,
194	NameBuf,
195	0, /* reserved*/
196	KEY_READ,
197	&hSubkey);
198	if (ERROR_SUCCESS != lRc)
199	{
200	crDebug("RegOpenKeyEx 2 failed, %d", lRc);
201	RegCloseKey(hKey);
202	return VERR_OPEN_FAILED;
203	}
204
205	for (i = 0; i < RT_ELEMENTS(aValueNames); ++i)
206	{
207	DWORD cbCur = cbBufRemain;
208	DWORD type;
209	lRc = RegQueryValueExA(hSubkey, aValueNames[i], NULL, /* reserved*/
210	&type,
211	(PBYTE)pBufPos, &cbCur);
212	/* exclude second null termination */
213	--cbCur;
214
215	if (ERROR_MORE_DATA == lRc)
216	{
217	if (REG_MULTI_SZ != type)
218	{
219	crWarning("unexpected data type! %d", type);
220	continue;
221	}
222	rc = VERR_BUFFER_OVERFLOW;
223	pBufPos = NULL;
224	cbBufRemain = 0;
225	CRASSERT(cbCur > 0 && cbCur < UINT32_MAX/2);
226	cbTotal += cbCur;
227	continue;
228	}
229	if (ERROR_SUCCESS != lRc)
230	{
231	crWarning("RegGetValueA failed, %d", lRc);
232	continue;
233	}
234
235	if (REG_MULTI_SZ != type)
236	{
237	crWarning("unexpected data type! %d", type);
238	continue;
239	}
240
241	/* succeeded */
242	CRASSERT(cbCur > 0 && cbCur < UINT32_MAX/2);
243	pBufPos += cbCur;
244	cbBufRemain -= cbCur;
245	cbTotal += cbCur;
246	CRASSERT(cbBufRemain < UINT32_MAX/2);
247	}
248
249	RegCloseKey(hSubkey);
250	}
251
252	RegCloseKey(hKey);
253
254	if (cbTotal)
255	{
256	/* include second null termination */
257	CRASSERT(!pBufPos \|\| pBufPos[0] == '\0');
258	++cbTotal;
259	}
260
261	if (pcbResult)
262	*pcbResult = cbTotal;
263
264	return rc;
265	}
266
267	static int renderspuAtiQuirk_ApplyForModule(LPCSTR pszAtiDll)
268	{
269	int rc;
270	HMODULE hAtiDll;
271
272	crDebug("renderspuAtiQuirk_ApplyForModule (%s)", pszAtiDll);
273
274	hAtiDll = GetModuleHandleA(pszAtiDll);
275	if (!hAtiDll)
276	{
277	crDebug("GetModuleHandle failed, %d", GetLastError());
278	return VERR_NOT_FOUND;
279	}
280
281	rc = renderspuIatPatcherPatchFunction(hAtiDll, "user32.dll", "GetForegroundWindow", (void*)renderspuAtiQuirk_GetForegroundWindow);
282	if (RT_FAILURE(rc))
283	{
284	crDebug("renderspuIatPatcherPatchFunction failed, %d", rc);
285	return rc;
286	}
287
288	crDebug("renderspuAtiQuirk_ApplyForModule SUCCEEDED!");
289	crInfo("ATI Fullscreen qwirk SUCCEEDED!");
290
291	return VINF_SUCCESS;
292	}
293
294	static LPCSTR renderspuRegMultiSzNextVal(LPCSTR pszBuf)
295	{
296	pszBuf += strlen(pszBuf) + sizeof (pszBuf[0]);
297
298	if (pszBuf[0] == '\0')
299	return NULL;
300
301	return pszBuf;
302	}
303
304	static LPCSTR renderspuRegMultiSzCurVal(LPCSTR pszBuf)
305	{
306	if (pszBuf[0] == '\0')
307	return NULL;
308
309	return pszBuf;
310	}
311
312
313	static int renderspuAtiQuirk_Apply()
314	{
315	char aBuf[4096];
316	DWORD cbResult = 0;
317	LPCSTR pszVal;
318	int rc;
319
320	crDebug("renderspuAtiQuirk_Apply..");
321
322	Assert(0);
323	rc = renderspuAtiQuirk_GetICDDriverList(aBuf, sizeof (aBuf), &cbResult);
324	if (RT_FAILURE(rc))
325	{
326	crDebug("renderspuAtiQuirk_GetICDDriverList failed, rc(%d)", rc);
327	return rc;
328	}
329
330	for (pszVal = renderspuRegMultiSzCurVal(aBuf);
331	pszVal;
332	pszVal = renderspuRegMultiSzNextVal(pszVal))
333	{
334	renderspuAtiQuirk_ApplyForModule(pszVal);
335	}
336
337	return VINF_SUCCESS;
338	}
339
340	static GLboolean renderspuAtiQuirk_Needed()
341	{
342	const char * pszString = render_spu.ws.glGetString(GL_VENDOR);
343	if (pszString && strstr(pszString, "ATI"))
344	return GL_TRUE;
345	pszString = render_spu.ws.glGetString(GL_RENDERER);
346	if (pszString && strstr(pszString, "ATI"))
347	return GL_TRUE;
348	return GL_FALSE;
349	}
350
351	static void renderspuAtiQuirk_ChkApply()
352	{
353	static GLboolean fChecked = GL_FALSE;
354	if (fChecked)
355	return;
356
357	fChecked = GL_TRUE;
358	if (!renderspuAtiQuirk_Needed())
359	return;
360
361	crInfo("This is an ATI card, taking care of fullscreen..");
362
363	/*
364	* ATI WDDM-based graphics have an issue with rendering fullscreen.
365	* See public tickets #9775 & #9267 .
366	* Namely ATI drivers check whether ogl window is foreground and fullscreen
367	* and if so - do D3DKMTSetDisplayMode for ogl surface,
368	* which prevented any other data from being displayed, no matter what.
369	*
370	* Here we check whether we're using an ATI card and if so, patch the ogl ICD driver's IAT
371	* to replace GetForegroundWindow reference with our renderspuAtiQuirk_GetForegroundWindow,
372	* which always returns NULL.
373	*/
374	renderspuAtiQuirk_Apply();
375	}
376
377	#define WINDOW_NAME window->title
378
379	static BOOL
380	bSetupPixelFormat( HDC hdc, GLbitfield visAttribs );
381
382	GLboolean renderspu_SystemInitVisual( VisualInfo *visual )
383	{
384	if (visual->visAttribs & CR_PBUFFER_BIT) {
385	crWarning("Render SPU: PBuffers not support on Windows yet.");
386	}
387
388	/* In the windows world, we need a window before a context.
389	* Use the device_context as a marker to do just that */
390	visual->device_context = 0;
391
392	return TRUE;
393	}
394
395	void renderspu_SystemDestroyWindow( WindowInfo *window )
396	{
397	VBOX_RENDERSPU_DESTROY_WINDOW vrdw;
398
399	CRASSERT(window);
400
401	/DestroyWindow( window->hWnd );/
402
403	vrdw.hWnd = window->hWnd;
404
405	if (render_spu.dwWinThreadId)
406	{
407	PostThreadMessage(render_spu.dwWinThreadId, WM_VBOX_RENDERSPU_DESTROY_WINDOW, 0, (LPARAM) &vrdw);
408	WaitForSingleObject(render_spu.hWinThreadReadyEvent, INFINITE);
409	}
410	else
411	{
412	crError("Render SPU: window thread is not running");
413	}
414
415	window->hWnd = NULL;
416	window->visual = NULL;
417	}
418
419	static LONG WINAPI
420	MainWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
421	{
422	/* int w,h; */
423
424	switch ( uMsg ) {
425
426	case WM_SIZE:
427	/* w = LOWORD( lParam );
428	* h = HIWORD( lParam ); */
429
430	/* glViewport( 0, 0, w, h ); */
431	#if 0
432	glViewport( -render_spu.mural_x, -render_spu.mural_y,
433	render_spu.mural_width, render_spu.mural_height );
434	glScissor( -render_spu.mural_x, -render_spu.mural_y,
435	render_spu.mural_width, render_spu.mural_height );
436	#endif
437	break;
438
439	case WM_CLOSE:
440	crWarning( "Render SPU: caught WM_CLOSE -- quitting." );
441	exit( 0 );
442	break;
443
444	case WM_DESTROY:
445	crDebug("Render SPU: caught WM_DESTROY for our window %x", hWnd);
446	break;
447
448	case WM_NCHITTEST:
449	crDebug("WM_NCHITTEST");
450	return HTNOWHERE;
451	}
452
453	return DefWindowProc( hWnd, uMsg, wParam, lParam );
454	}
455
456	static BOOL
457	bSetupPixelFormatEXT( HDC hdc, GLbitfield visAttribs)
458	{
459	PIXELFORMATDESCRIPTOR ppfd;
460	int pixelFormat;
461	int attribList[100];
462	float fattribList[] = { 0.0, 0.0 };
463	int numFormats;
464	int i = 0;
465	BOOL vis;
466
467	CRASSERT(visAttribs & CR_RGB_BIT); /* anybody need color index */
468
469	crWarning("Render SPU: Using WGL_EXT_pixel_format to select visual ID.");
470
471	attribList[i++] = WGL_DRAW_TO_WINDOW_EXT;
472	attribList[i++] = GL_TRUE;
473	attribList[i++] = WGL_ACCELERATION_EXT;
474	attribList[i++] = WGL_FULL_ACCELERATION_EXT;
475	attribList[i++] = WGL_COLOR_BITS_EXT;
476	attribList[i++] = 24;
477	attribList[i++] = WGL_RED_BITS_EXT;
478	attribList[i++] = 1;
479	attribList[i++] = WGL_GREEN_BITS_EXT;
480	attribList[i++] = 1;
481	attribList[i++] = WGL_BLUE_BITS_EXT;
482	attribList[i++] = 1;
483
484	crWarning("Render SPU: Visual chosen is... RGB");
485
486	if (visAttribs & CR_ALPHA_BIT)
487	{
488	attribList[i++] = WGL_ALPHA_BITS_EXT;
489	attribList[i++] = 1;
490	crWarning("A");
491	}
492
493	crWarning(", ");
494
495	if (visAttribs & CR_DOUBLE_BIT) {
496	attribList[i++] = WGL_DOUBLE_BUFFER_EXT;
497	attribList[i++] = GL_TRUE;
498	crWarning("DB, ");
499	}
500
501	if (visAttribs & CR_STEREO_BIT) {
502	attribList[i++] = WGL_STEREO_EXT;
503	attribList[i++] = GL_TRUE;
504	crWarning("Stereo, ");
505	}
506
507	if (visAttribs & CR_DEPTH_BIT)
508	{
509	attribList[i++] = WGL_DEPTH_BITS_EXT;
510	attribList[i++] = 1;
511	crWarning("Z, ");
512	}
513
514	if (visAttribs & CR_STENCIL_BIT)
515	{
516	attribList[i++] = WGL_STENCIL_BITS_EXT;
517	attribList[i++] = 1;
518	crWarning("Stencil, ");
519	}
520
521	if (visAttribs & CR_ACCUM_BIT)
522	{
523	attribList[i++] = WGL_ACCUM_RED_BITS_EXT;
524	attribList[i++] = 1;
525	attribList[i++] = WGL_ACCUM_GREEN_BITS_EXT;
526	attribList[i++] = 1;
527	attribList[i++] = WGL_ACCUM_BLUE_BITS_EXT;
528	attribList[i++] = 1;
529	crWarning("Accum, ");
530	if (visAttribs & CR_ALPHA_BIT)
531	{
532	attribList[i++] = WGL_ACCUM_ALPHA_BITS_EXT;
533	attribList[i++] = 1;
534	crWarning("Accum Alpha, ");
535	}
536	}
537
538	if (visAttribs & CR_MULTISAMPLE_BIT)
539	{
540	attribList[i++] = WGL_SAMPLE_BUFFERS_EXT;
541	attribList[i++] = 1;
542	attribList[i++] = WGL_SAMPLES_EXT;
543	attribList[i++] = 4;
544	crWarning("Multisample, ");
545	}
546
547	crWarning("\n");
548
549	/* End the list */
550	attribList[i++] = 0;
551	attribList[i++] = 0;
552
553	vis = render_spu.ws.wglChoosePixelFormatEXT( hdc, attribList, fattribList, 1, &pixelFormat, &numFormats);
554
555	crDebug("Render SPU: wglChoosePixelFormatEXT (vis 0x%x, LastError 0x%x, pixelFormat 0x%x", vis, GetLastError(), pixelFormat);
556
557	render_spu.ws.wglSetPixelFormat( hdc, pixelFormat, &ppfd );
558
559	crDebug("Render SPU: wglSetPixelFormat (Last error 0x%x)", GetLastError());
560
561	return vis;
562	}
563
564	static BOOL
565	bSetupPixelFormatNormal( HDC hdc, GLbitfield visAttribs )
566	{
567	PIXELFORMATDESCRIPTOR pfd = {
568	sizeof(PIXELFORMATDESCRIPTOR), /* size of this pfd */
569	1, /* version number */
570	PFD_DRAW_TO_WINDOW \| /* support window */
571	PFD_SUPPORT_OPENGL, /* support OpenGL */
572	PFD_TYPE_RGBA, /* RGBA type */
573	24, /* 24-bit color depth */
574	0, 0, 0, 0, 0, 0, /* color bits ignored */
575	0, /* no alpha buffer */
576	0, /* shift bit ignored */
577	0, /* no accumulation buffer */
578	0, 0, 0, 0, /* accum bits ignored */
579	0, /* set depth buffer */
580	0, /* set stencil buffer */
581	0, /* no auxiliary buffer */
582	PFD_MAIN_PLANE, /* main layer */
583	0, /* reserved */
584	0, 0, 0 /* layer masks ignored */
585	};
586	PIXELFORMATDESCRIPTOR *ppfd = &pfd;
587	char s[1000];
588	GLbitfield b = 0;
589	int pixelformat;
590
591	renderspuMakeVisString( visAttribs, s );
592
593	crDebug( "Render SPU: WGL wants these visual capabilities: %s", s);
594
595	/* These really come into play with sort-last configs */
596	if (visAttribs & CR_DEPTH_BIT)
597	ppfd->cDepthBits = 24;
598	if (visAttribs & CR_ACCUM_BIT)
599	ppfd->cAccumBits = 16;
600	if (visAttribs & CR_RGB_BIT)
601	ppfd->cColorBits = 24;
602	if (visAttribs & CR_STENCIL_BIT)
603	ppfd->cStencilBits = 8;
604	if (visAttribs & CR_ALPHA_BIT)
605	ppfd->cAlphaBits = 8;
606	if (visAttribs & CR_DOUBLE_BIT)
607	ppfd->dwFlags \|= PFD_DOUBLEBUFFER;
608	if (visAttribs & CR_STEREO_BIT)
609	ppfd->dwFlags \|= PFD_STEREO;
610
611	/*
612	* We call the wgl functions directly if the SPU was loaded
613	* by our faker library, otherwise we have to call the GDI
614	* versions.
615	*/
616	if (crGetenv( "CR_WGL_DO_NOT_USE_GDI" ) != NULL)
617	{
618	pixelformat = render_spu.ws.wglChoosePixelFormat( hdc, ppfd );
619	/* doing this twice is normal Win32 magic */
620	pixelformat = render_spu.ws.wglChoosePixelFormat( hdc, ppfd );
621	if ( pixelformat == 0 )
622	{
623	crError( "render_spu.ws.wglChoosePixelFormat failed" );
624	}
625	if ( !render_spu.ws.wglSetPixelFormat( hdc, pixelformat, ppfd ) )
626	{
627	crError( "render_spu.ws.wglSetPixelFormat failed" );
628	}
629
630	render_spu.ws.wglDescribePixelFormat( hdc, pixelformat, sizeof(*ppfd), ppfd );
631	}
632	else
633	{
634	/* Okay, we were loaded manually. Call the GDI functions. */
635	pixelformat = ChoosePixelFormat( hdc, ppfd );
636	/* doing this twice is normal Win32 magic */
637	pixelformat = ChoosePixelFormat( hdc, ppfd );
638	if ( pixelformat == 0 )
639	{
640	crError( "ChoosePixelFormat failed" );
641	}
642	if ( !SetPixelFormat( hdc, pixelformat, ppfd ) )
643	{
644	crError( "SetPixelFormat failed (Error 0x%x)", GetLastError() );
645	}
646
647	DescribePixelFormat( hdc, pixelformat, sizeof(*ppfd), ppfd );
648	}
649
650
651	if (ppfd->cDepthBits > 0)
652	b \|= CR_DEPTH_BIT;
653	if (ppfd->cAccumBits > 0)
654	b \|= CR_ACCUM_BIT;
655	if (ppfd->cColorBits > 8)
656	b \|= CR_RGB_BIT;
657	if (ppfd->cStencilBits > 0)
658	b \|= CR_STENCIL_BIT;
659	if (ppfd->cAlphaBits > 0)
660	b \|= CR_ALPHA_BIT;
661	if (ppfd->dwFlags & PFD_DOUBLEBUFFER)
662	b \|= CR_DOUBLE_BIT;
663	if (ppfd->dwFlags & PFD_STEREO)
664	b \|= CR_STEREO_BIT;
665
666	renderspuMakeVisString( b, s );
667
668	crDebug( "Render SPU: WGL chose these visual capabilities: %s", s);
669	return TRUE;
670	}
671
672	static BOOL
673	bSetupPixelFormat( HDC hdc, GLbitfield visAttribs )
674	{
675	/* According to http://www.opengl.org/resources/faq/technical/mswindows.htm
676	we shouldn't be using wgl functions to setup pixel formats unless we're loading ICD driver.
677	In particular, bSetupPixelFormatEXT bugs with Intel drivers.
678	*/
679	return bSetupPixelFormatNormal(hdc, visAttribs);
680	}
681
682	GLboolean renderspu_SystemCreateWindow( VisualInfo visual, GLboolean showIt, WindowInfo window )
683	{
684	HDESK desktop;
685	HINSTANCE hinstance;
686	WNDCLASS wc;
687	DWORD window_style;
688	int window_plus_caption_width;
689	int window_plus_caption_height;
690
691	window->visual = visual;
692	window->nativeWindow = 0;
693
694	if ( render_spu.use_L2 )
695	{
696	crWarning( "Going fullscreen because we think we're using Lightning-2." );
697	render_spu.fullscreen = 1;
698	}
699
700	/*
701	* Begin Windows / WGL code
702	*/
703
704	hinstance = GetModuleHandle( NULL );
705	if (!hinstance)
706	{
707	crError( "Render SPU: Couldn't get a handle to my module." );
708	return GL_FALSE;
709	}
710	crDebug( "Render SPU: Got the module handle: 0x%x", hinstance );
711
712	/* If we were launched from a service, telnet, or rsh, we need to
713	* get the input desktop. */
714
715	desktop = OpenInputDesktop( 0, FALSE,
716	DESKTOP_CREATEMENU \| DESKTOP_CREATEWINDOW \|
717	DESKTOP_ENUMERATE \| DESKTOP_HOOKCONTROL \|
718	DESKTOP_WRITEOBJECTS \| DESKTOP_READOBJECTS \|
719	DESKTOP_SWITCHDESKTOP \| GENERIC_WRITE );
720
721	if ( !desktop )
722	{
723	crError( "Render SPU: Couldn't acquire input desktop" );
724	return GL_FALSE;
725	}
726	crDebug( "Render SPU: Got the desktop: 0x%x", desktop );
727
728	if ( !SetThreadDesktop( desktop ) )
729	{
730	/* If this function fails, it's probably because
731	* it's already been called (i.e., the render SPU
732	* is bolted to an application?) */
733
734	/crError( "Couldn't set thread to input desktop" ); /
735	}
736	crDebug( "Render SPU: Set the thread desktop -- this might have failed." );
737
738	if ( !GetClassInfo(hinstance, WINDOW_NAME, &wc) )
739	{
740	wc.style = CS_OWNDC;
741	wc.lpfnWndProc = (WNDPROC) MainWndProc;
742	wc.cbClsExtra = 0;
743	wc.cbWndExtra = 0;
744	wc.hInstance = hinstance;
745	wc.hIcon = LoadIcon( NULL, IDI_APPLICATION );
746	wc.hCursor = LoadCursor( NULL, IDC_ARROW );
747	wc.hbrBackground = NULL;
748	wc.lpszMenuName = NULL;
749	wc.lpszClassName = WINDOW_NAME;
750
751	if ( !RegisterClass( &wc ) )
752	{
753	crError( "Render SPU: Couldn't register window class -- you're not trying "
754	"to do multi-pipe stuff on windows, are you?\n\nNote --"
755	"This error message is from 1997 and probably doesn't make"
756	"any sense any more, but it's nostalgic for Humper." );
757	return GL_FALSE;
758	}
759	crDebug( "Render SPU: Registered the class" );
760	}
761	crDebug( "Render SPU: Got the class information" );
762
763	/* Full screen window should be a popup (undecorated) window */
764	#if 1
765	window_style = ( render_spu.fullscreen ? WS_POPUP : WS_CAPTION );
766	#else
767	window_style = ( WS_OVERLAPPEDWINDOW \| WS_CLIPSIBLINGS \| WS_CLIPCHILDREN );
768	window_style \|= WS_SYSMENU;
769	#endif
770
771	crDebug( "Render SPU: Fullscreen: %s", render_spu.fullscreen ? "yes" : "no");
772
773	if ( render_spu.fullscreen )
774	{
775	#if 0
776
777	int smCxFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME );
778	int smCyFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME ) + 1;
779	int smCyCaption = GetSystemMetrics( SM_CYCAPTION );
780
781	window->width = GetSystemMetrics( SM_CXSCREEN ) ;
782	window->height = GetSystemMetrics( SM_CYSCREEN ) ;
783
784	crDebug( "Render SPU: Window Dims: %d, %d", window->width, window->height );
785
786	window->x = render_spu->defaultX - smCxFixedFrame - 1;
787	window->y = render_spu->defaultY - smCyFixedFrame - smCyCaption;
788
789	window_plus_caption_width = window->width + 2 * smCxFixedFrame;
790	window_plus_caption_height = window->height + 2 * smCyFixedFrame + smCyCaption;
791
792	#else
793	/* Since it's undecorated, we don't have to do anything fancy
794	* with these parameters. */
795
796	window->width = GetSystemMetrics( SM_CXSCREEN ) ;
797	window->height = GetSystemMetrics( SM_CYSCREEN ) ;
798	window->x = 0;
799	window->y = 0;
800	window_plus_caption_width = window->width;
801	window_plus_caption_height = window->height;
802
803	#endif
804	}
805	else
806	{
807	/* CreateWindow takes the size of the entire window, so we add
808	* in the size necessary for the frame and the caption. */
809
810	int smCxFixedFrame, smCyFixedFrame, smCyCaption;
811	smCxFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME );
812	crDebug( "Render SPU: Got the X fixed frame" );
813	smCyFixedFrame = GetSystemMetrics( SM_CYFIXEDFRAME );
814	crDebug( "Render SPU: Got the Y fixed frame" );
815	smCyCaption = GetSystemMetrics( SM_CYCAPTION );
816	crDebug( "Render SPU: Got the Caption " );
817
818	window_plus_caption_width = window->width + 2 * smCxFixedFrame;
819	window_plus_caption_height = window->height + 2 * smCyFixedFrame + smCyCaption;
820
821	window->x = render_spu.defaultX - smCxFixedFrame;
822	window->y = render_spu.defaultY - smCyFixedFrame - smCyCaption;
823	}
824
825	crDebug( "Render SPU: Creating the window: (%d,%d), (%d,%d)", render_spu.defaultX, render_spu.defaultY, window_plus_caption_width, window_plus_caption_height );
826	window->hWnd = CreateWindow( WINDOW_NAME, WINDOW_NAME,
827	window_style,
828	window->x, window->y,
829	window_plus_caption_width,
830	window_plus_caption_height,
831	NULL, NULL, hinstance, &render_spu );
832
833	if ( !window->hWnd )
834	{
835	crError( "Render SPU: Create Window failed! That's almost certainly terrible." );
836	return GL_FALSE;
837	}
838
839	if (showIt) {
840	/* NO ERROR CODE FOR SHOWWINDOW */
841	crDebug( "Render SPU: Showing the window" );
842	crDebug("renderspu_SystemCreateWindow: showwindow: %x", window->hWnd);
843	ShowWindow( window->hWnd, SW_SHOWNORMAL );
844	}
845
846	SetForegroundWindow( window->hWnd );
847
848	SetWindowPos( window->hWnd, HWND_TOP, window->x, window->y,
849	window_plus_caption_width, window_plus_caption_height,
850	( render_spu.fullscreen ? (SWP_SHOWWINDOW \|
851	SWP_NOSENDCHANGING \|
852	SWP_NOREDRAW \|
853	SWP_NOACTIVATE ) :
854	0 ) );
855
856	if ( render_spu.fullscreen )
857	ShowCursor( FALSE );
858
859	window->device_context = GetDC( window->hWnd );
860
861	crDebug( "Render SPU: Got the DC: 0x%x", window->device_context );
862
863	if ( !bSetupPixelFormat( window->device_context, visual->visAttribs ) )
864	{
865	crError( "Render SPU: Couldn't set up the device context! Yikes!" );
866	return GL_FALSE;
867	}
868
869	return GL_TRUE;
870	}
871
872	GLboolean renderspu_SystemVBoxCreateWindow( VisualInfo visual, GLboolean showIt, WindowInfo window )
873	{
874	#if 0
875	HDESK desktop;
876	#endif
877	HINSTANCE hinstance;
878	WNDCLASS wc;
879	DWORD window_style;
880	int window_plus_caption_width;
881	int window_plus_caption_height;
882
883	window->visual = visual;
884	window->nativeWindow = 0;
885
886	if ( render_spu.use_L2 )
887	{
888	crWarning( "Going fullscreen because we think we're using Lightning-2." );
889	render_spu.fullscreen = 1;
890	}
891
892	/*
893	* Begin Windows / WGL code
894	*/
895
896	hinstance = GetModuleHandle( NULL );
897	if (!hinstance)
898	{
899	crError( "Render SPU: Couldn't get a handle to my module." );
900	return GL_FALSE;
901	}
902	crDebug( "Render SPU: Got the module handle: 0x%x", hinstance );
903
904	#if 0
905	/* If we were launched from a service, telnet, or rsh, we need to
906	* get the input desktop. */
907
908	desktop = OpenInputDesktop( 0, FALSE,
909	DESKTOP_CREATEMENU \| DESKTOP_CREATEWINDOW \|
910	DESKTOP_ENUMERATE \| DESKTOP_HOOKCONTROL \|
911	DESKTOP_WRITEOBJECTS \| DESKTOP_READOBJECTS \|
912	DESKTOP_SWITCHDESKTOP \| GENERIC_WRITE );
913
914	if ( !desktop )
915	{
916	crError( "Render SPU: Couldn't acquire input desktop" );
917	return GL_FALSE;
918	}
919	crDebug( "Render SPU: Got the desktop: 0x%x", desktop );
920
921	if ( !SetThreadDesktop( desktop ) )
922	{
923	/* If this function fails, it's probably because
924	* it's already been called (i.e., the render SPU
925	* is bolted to an application?) */
926
927	/crError( "Couldn't set thread to input desktop" ); /
928	}
929	crDebug( "Render SPU: Set the thread desktop -- this might have failed." );
930	#endif
931
932	if ( !GetClassInfo(hinstance, WINDOW_NAME, &wc) )
933	{
934	wc.style = CS_OWNDC; // \| CS_PARENTDC;
935	wc.lpfnWndProc = (WNDPROC) MainWndProc;
936	wc.cbClsExtra = 0;
937	wc.cbWndExtra = 0;
938	wc.hInstance = hinstance;
939	wc.hIcon = NULL; //LoadIcon( NULL, IDI_APPLICATION );
940	wc.hCursor = NULL; //LoadCursor( NULL, IDC_ARROW );
941	wc.hbrBackground = NULL;
942	wc.lpszMenuName = NULL;
943	wc.lpszClassName = WINDOW_NAME;
944
945	if ( !RegisterClass( &wc ) )
946	{
947	crError( "Render SPU: Couldn't register window class -- you're not trying "
948	"to do multi-pipe stuff on windows, are you?\n\nNote --"
949	"This error message is from 1997 and probably doesn't make"
950	"any sense any more, but it's nostalgic for Humper." );
951	return GL_FALSE;
952	}
953	crDebug( "Render SPU: Registered the class" );
954	}
955	crDebug( "Render SPU: Got the class information" );
956
957	/* Full screen window should be a popup (undecorated) window */
958	#if 1
959	window_style = WS_CLIPSIBLINGS \| WS_CLIPCHILDREN \| WS_DISABLED;
960	if (render_spu_parent_window_id)
961	{
962	window_style \|= WS_CHILD;
963	}
964	#else
965	window_style = ( WS_OVERLAPPEDWINDOW \| WS_CLIPSIBLINGS \| WS_CLIPCHILDREN );
966	window_style \|= WS_SYSMENU;
967	#endif
968
969	crDebug( "Render SPU: Fullscreen: %s", render_spu.fullscreen ? "yes" : "no");
970
971	if ( render_spu.fullscreen )
972	{
973	#if 0
974
975	int smCxFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME );
976	int smCyFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME ) + 1;
977	int smCyCaption = GetSystemMetrics( SM_CYCAPTION );
978
979	window->width = GetSystemMetrics( SM_CXSCREEN ) ;
980	window->height = GetSystemMetrics( SM_CYSCREEN ) ;
981
982	crDebug( "Render SPU: Window Dims: %d, %d", window->width, window->height );
983
984	window->x = render_spu->defaultX - smCxFixedFrame - 1;
985	window->y = render_spu->defaultY - smCyFixedFrame - smCyCaption;
986
987	window_plus_caption_width = window->width + 2 * smCxFixedFrame;
988	window_plus_caption_height = window->height + 2 * smCyFixedFrame + smCyCaption;
989
990	#else
991	/* Since it's undecorated, we don't have to do anything fancy
992	* with these parameters. */
993
994	window->width = GetSystemMetrics( SM_CXSCREEN ) ;
995	window->height = GetSystemMetrics( SM_CYSCREEN ) ;
996	window->x = 0;
997	window->y = 0;
998	window_plus_caption_width = window->width;
999	window_plus_caption_height = window->height;
1000
1001	#endif
1002	}
1003	else
1004	{
1005	/* CreateWindow takes the size of the entire window, so we add
1006	* in the size necessary for the frame and the caption. */
1007	int smCxFixedFrame, smCyFixedFrame, smCyCaption;
1008	smCxFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME );
1009	crDebug( "Render SPU: Got the X fixed frame" );
1010	smCyFixedFrame = GetSystemMetrics( SM_CYFIXEDFRAME );
1011	crDebug( "Render SPU: Got the Y fixed frame" );
1012	smCyCaption = GetSystemMetrics( SM_CYCAPTION );
1013	crDebug( "Render SPU: Got the Caption " );
1014
1015	window_plus_caption_width = window->width + 2 * smCxFixedFrame;
1016	window_plus_caption_height = window->height + 2 * smCyFixedFrame + smCyCaption;
1017
1018	window->x = render_spu.defaultX;
1019	window->y = render_spu.defaultY;
1020	}
1021
1022	crDebug( "Render SPU: Creating the window: (%d,%d), (%d,%d)", render_spu.defaultX, render_spu.defaultY, window_plus_caption_width, window_plus_caption_height );
1023	/*window->hWnd = CreateWindowEx( WS_EX_NOACTIVATE \| WS_EX_NOPARENTNOTIFY,
1024	WINDOW_NAME, WINDOW_NAME,
1025	window_style,
1026	window->x, window->y,
1027	window->width,
1028	window->height,
1029	(void) render_spu_parent_window_id, NULL, hinstance, &render_spu );/
1030	{
1031	CREATESTRUCT cs;
1032
1033	cs.lpCreateParams = &window->hWnd;
1034
1035	cs.dwExStyle = WS_EX_NOACTIVATE \| WS_EX_NOPARENTNOTIFY;
1036	cs.lpszName = WINDOW_NAME;
1037	cs.lpszClass = WINDOW_NAME;
1038	cs.style = window_style;
1039	cs.x = window->x;
1040	cs.y = window->y;
1041	cs.cx = window->width;
1042	cs.cy = window->height;
1043	cs.hwndParent = (void*) render_spu_parent_window_id;
1044	cs.hMenu = NULL;
1045	cs.hInstance = hinstance;
1046
1047	if (render_spu.dwWinThreadId)
1048	{
1049	DWORD res;
1050	int cnt=0;
1051
1052	if (!PostThreadMessage(render_spu.dwWinThreadId, WM_VBOX_RENDERSPU_CREATE_WINDOW, 0, (LPARAM) &cs))
1053	{
1054	crError("Render SPU: PostThreadMessage failed with %i", GetLastError());
1055	return GL_FALSE;
1056	}
1057
1058	do
1059	{
1060	res = WaitForSingleObject(render_spu.hWinThreadReadyEvent, 1000);
1061	cnt++;
1062	}
1063	while ((res!=WAIT_OBJECT_0) && (cnt<10));
1064
1065	crDebug("Render SPU: window thread waited %i secs", cnt);
1066
1067	if (res!=WAIT_OBJECT_0)
1068	{
1069	crError("Render SPU: window thread not responded after %i tries", cnt);
1070	return GL_FALSE;
1071	}
1072	}
1073	else
1074	{
1075	crError("Render SPU: window thread is not running");
1076	return GL_FALSE;
1077	}
1078	}
1079
1080	if ( !window->hWnd )
1081	{
1082	crError( "Render SPU: Create Window failed! That's almost certainly terrible." );
1083	return GL_FALSE;
1084	}
1085
1086	if (showIt) {
1087	/* NO ERROR CODE FOR SHOWWINDOW */
1088	crDebug( "Render SPU: Showing the window" );
1089	crDebug("renderspu_SystemVBoxCreateWindow: showwindow: %x", window->hWnd);
1090	ShowWindow( window->hWnd, SW_SHOWNORMAL );
1091	}
1092
1093	//SetForegroundWindow( visual->hWnd );
1094
1095	SetWindowPos( window->hWnd, HWND_TOP, window->x, window->y,
1096	window->width, window->height,
1097	( render_spu.fullscreen ?
1098	(SWP_SHOWWINDOW \| SWP_NOSENDCHANGING \| SWP_NOREDRAW \| SWP_NOACTIVATE ) : SWP_NOACTIVATE
1099	) );
1100	crDebug("Render SPU: SetWindowPos (%x, %d, %d, %d, %d)", window->hWnd,
1101	window->x, window->y, window->width, window->height);
1102
1103	if ( render_spu.fullscreen )
1104	ShowCursor( FALSE );
1105
1106	window->device_context = GetDC( window->hWnd );
1107
1108	crDebug( "Render SPU: Got the DC: 0x%x", window->device_context );
1109
1110	if ( !bSetupPixelFormat( window->device_context, visual->visAttribs ) )
1111	{
1112	crError( "Render SPU: Couldn't set up the device context! Yikes!" );
1113	return GL_FALSE;
1114	}
1115
1116	return GL_TRUE;
1117	}
1118
1119
1120	/* Either show or hide the render SPU's window. */
1121	void renderspu_SystemShowWindow( WindowInfo *window, GLboolean showIt )
1122	{
1123	if (showIt)
1124	{
1125	crDebug("SHOW renderspu_SystemShowWindow: %x", window->hWnd);
1126	ShowWindow( window->hWnd, SW_SHOWNORMAL );
1127	}
1128	else
1129	{
1130	crDebug("HIDE renderspu_SystemShowWindow: %x", window->hWnd);
1131	ShowWindow( window->hWnd, SW_HIDE );
1132	}
1133	}
1134
1135	GLboolean renderspu_SystemCreateContext( VisualInfo visual, ContextInfo context, ContextInfo *sharedContext )
1136	{
1137	(void) sharedContext;
1138	context->visual = visual;
1139
1140	/* Found a visual, so we're o.k. to create the context now */
1141	if (0/visual->device_context/) {
1142
1143	//crDebug( "Render SPU: Using the DC: 0x%x", visual->device_context );
1144
1145	//context->hRC = render_spu.ws.wglCreateContext( visual->device_context );
1146	if (!context->hRC)
1147	{
1148	crError( "Render SPU: wglCreateContext failed (error 0x%x)", GetLastError() );
1149	return GL_FALSE;
1150	}
1151	} else {
1152	crDebug( "Render SPU: Delaying DC creation " );
1153	context->hRC = NULL; /* create it later in makecurrent */
1154	}
1155
1156
1157	return GL_TRUE;
1158	}
1159
1160	void renderspu_SystemDestroyContext( ContextInfo *context )
1161	{
1162	render_spu.ws.wglDeleteContext( context->hRC );
1163	context->hRC = NULL;
1164	}
1165
1166	void renderspu_SystemMakeCurrent( WindowInfo window, GLint nativeWindow, ContextInfo context )
1167	{
1168	CRASSERT(render_spu.ws.wglMakeCurrent);
1169
1170	if (context && window) {
1171	if (window->visual != context->visual) {
1172	/*
1173	* XXX have to revisit this issue!!!
1174	*
1175	* But for now we destroy the current window
1176	* and re-create it with the context's visual abilities
1177	*/
1178
1179	/*@todo Chromium has no correct code to remove window ids and associated info from
1180	* various tables. This is hack which just hides the root case.
1181	*/
1182	crDebug("Recreating window in renderspu_SystemMakeCurrent\n");
1183	renderspu_SystemDestroyWindow( window );
1184	renderspu_SystemVBoxCreateWindow( context->visual, window->visible, window );
1185	}
1186
1187	if (render_spu.render_to_app_window && nativeWindow)
1188	{
1189	/* The render_to_app_window option
1190	* is set and we've got a nativeWindow
1191	* handle, save the handle for
1192	* later calls to swapbuffers().
1193	*
1194	* NOTE: This doesn't work, except
1195	* for software driven Mesa.
1196	* We'd need to object link the
1197	* crappfaker and crserver to be able to share
1198	* the HDC values between processes.. FIXME!
1199	*/
1200	window->nativeWindow = (HDC) nativeWindow;
1201	if (context->hRC == 0) {
1202	context->hRC = render_spu.ws.wglCreateContext( window->nativeWindow );
1203	if (!context->hRC)
1204	{
1205	crError( "(MakeCurrent) Couldn't create the context for the window (error 0x%x)", GetLastError() );
1206	}
1207	}
1208	render_spu.ws.wglMakeCurrent( window->nativeWindow, context->hRC );
1209	}
1210	else
1211	{
1212	if (!context->visual->device_context) {
1213	context->visual->device_context = GetDC( window->hWnd );
1214
1215	crDebug( "Render SPU: MakeCurrent made the DC: 0x%x", context->visual->device_context );
1216
1217	if ( !bSetupPixelFormat( context->visual->device_context, context->visual->visAttribs ) )
1218	{
1219	crError( "Render SPU: (MakeCurrent) Couldn't set up the device context! Yikes!" );
1220	}
1221	}
1222
1223	if (!context->hRC) {
1224	context->hRC = render_spu.ws.wglCreateContext(context->visual->device_context);
1225	if (!context->hRC)
1226	{
1227	crError( "Render SPU: (MakeCurrent) Couldn't create the context for the window (error 0x%x)", GetLastError() );
1228	}
1229
1230	/Requery ext function pointers, we skip dummy ctx as it should never be used with ext functions/
1231	if (0 && context->id)
1232	{
1233	int numFuncs, i;
1234	SPUNamedFunctionTable ext_table[1000];
1235
1236
1237	crDebug("Default server ctx created, requerying ext functions");
1238	/requery ext functions/
1239	numFuncs = renderspuCreateFunctions(ext_table);
1240	numFuncs += crLoadOpenGLExtensions( &render_spu.ws, ext_table+numFuncs);
1241	CRASSERT(numFuncs < 1000);
1242
1243	/change spu dispatch/
1244	crSPUChangeDispatch(&render_spu.self, ext_table);
1245
1246
1247	/cleanup temp table/
1248	for (i=0; i<numFuncs; ++i)
1249	{
1250	if (ext_table[i].name) crFree(ext_table[i].name);
1251	}
1252	}
1253	}
1254
1255	/crDebug("MakeCurrent 0x%x, 0x%x", window->device_context, context->hRC);/
1256	if (!render_spu.ws.wglMakeCurrent(window->device_context, context->hRC))
1257	{
1258	DWORD err = GetLastError();
1259	crError("Render SPU: (MakeCurrent) failed to make 0x%x, 0x%x current with 0x%x error.", window->device_context, context->hRC, err);
1260	}
1261	}
1262
1263	renderspuAtiQuirk_ChkApply();
1264	}
1265	else {
1266	render_spu.ws.wglMakeCurrent( 0, 0 );
1267	}
1268	}
1269
1270	void renderspu_SystemWindowSize( WindowInfo *window, GLint w, GLint h )
1271	{
1272	int winprop;
1273	CRASSERT(window);
1274	CRASSERT(window->visual);
1275	if ( render_spu.fullscreen )
1276	winprop = SWP_SHOWWINDOW \| SWP_NOSENDCHANGING \|
1277	SWP_NOREDRAW \| SWP_NOACTIVATE;
1278	else
1279	winprop = SWP_NOACTIVATE \| SWP_DEFERERASE \| SWP_NOSENDCHANGING \| SWP_NOZORDER; //SWP_SHOWWINDOW;
1280
1281	/SetWindowRgn(window->hWnd, NULL, false);/
1282
1283	if (!SetWindowPos( window->hWnd, HWND_TOP,
1284	window->x, window->y, w, h, winprop )) {
1285	crWarning("!!!FAILED!!! Render SPU: SetWindowPos (%x, %d, %d, %d, %d)", window->hWnd, window->x, window->y, w, h);
1286	} else {
1287	crDebug("Render SPU: SetWindowSize (%x, %d, %d, %d, %d)", window->hWnd, window->x, window->y, w, h);
1288	}
1289	/* save the new size */
1290	window->width = w;
1291	window->height = h;
1292	}
1293
1294
1295	void renderspu_SystemGetWindowGeometry( WindowInfo window, GLint x, GLint y, GLint w, GLint *h )
1296	{
1297	RECT rect;
1298
1299	CRASSERT(window);
1300	CRASSERT(window->visual);
1301
1302	GetClientRect( window->hWnd, &rect );
1303	*x = rect.left;
1304	*y = rect.top;
1305	*w = rect.right - rect.left;
1306	*h = rect.bottom - rect.top;
1307	}
1308
1309
1310	void renderspu_SystemGetMaxWindowSize( WindowInfo window, GLint w, GLint *h )
1311	{
1312	/* XXX fix this */
1313	(void) window;
1314	*w = 1600;
1315	*h = 1200;
1316	}
1317
1318
1319	void renderspu_SystemWindowPosition( WindowInfo *window, GLint x, GLint y )
1320	{
1321	int winprop;
1322	CRASSERT(window);
1323	CRASSERT(window->visual);
1324	if ( render_spu.fullscreen )
1325	winprop = SWP_SHOWWINDOW \| SWP_NOSENDCHANGING \|
1326	SWP_NOREDRAW \| SWP_NOACTIVATE;
1327	else
1328	winprop = SWP_NOACTIVATE \| SWP_DEFERERASE \| SWP_NOSENDCHANGING \| SWP_NOZORDER; //SWP_SHOWWINDOW;
1329
1330	/SetWindowRgn(window->visual->hWnd, NULL, false);/
1331
1332	if (!SetWindowPos( window->hWnd, HWND_TOP,
1333	x, y, window->width, window->height, winprop )) {
1334	crWarning("!!!FAILED!!! Render SPU: SetWindowPos (%x, %d, %d, %d, %d)", window->hWnd, x, y, window->width, window->height);
1335	} else {
1336	crDebug("Render SPU: SetWindowPos (%x, %d, %d, %d, %d)", window->hWnd,
1337	x, y, window->width, window->height);
1338	}
1339	}
1340
1341	void renderspu_SystemWindowVisibleRegion(WindowInfo window, GLint cRects, GLint pRects)
1342	{
1343	GLint i;
1344	HRGN hRgn, hTmpRgn;
1345
1346	CRASSERT(window);
1347	CRASSERT(window->visual);
1348
1349	hRgn = CreateRectRgn(0, 0, 0, 0);
1350
1351	for (i=0; i<cRects; i++)
1352	{
1353	hTmpRgn = CreateRectRgn(pRects[4i], pRects[4i+1], pRects[4i+2], pRects[4i+3]);
1354	CombineRgn(hRgn, hRgn, hTmpRgn, RGN_OR);
1355	DeleteObject(hTmpRgn);
1356	}
1357
1358	SetWindowRgn(window->hWnd, hRgn, true);
1359	crDebug("Render SPU: SetWindowRgn (%x, cRects=%i)", window->hWnd, cRects);
1360	}
1361
1362	static void renderspuHandleWindowMessages( HWND hWnd )
1363	{
1364	MSG msg;
1365	while ( PeekMessage( &msg, hWnd, 0, 0xffffffff, PM_REMOVE ) )
1366	{
1367	TranslateMessage( &msg );
1368	DispatchMessage( &msg );
1369	}
1370
1371	//BringWindowToTop( hWnd );
1372	}
1373
1374	void renderspu_SystemSwapBuffers( WindowInfo *w, GLint flags )
1375	{
1376	int return_value;
1377
1378	/* peek at the windows message queue */
1379	renderspuHandleWindowMessages( w->hWnd );
1380
1381	/* render_to_app_window:
1382	* w->nativeWindow will only be non-zero if the
1383	* render_spu.render_to_app_window option is true and
1384	* MakeCurrent() recorded the nativeWindow handle in the WindowInfo
1385	* structure.
1386	*/
1387	if (render_spu.render_to_app_window && w->nativeWindow) {
1388	return_value = render_spu.ws.wglSwapBuffers( w->nativeWindow );
1389	} else {
1390	/*
1391	HRGN hRgn1, hRgn2, hRgn3;
1392	HWND hWndParent;
1393	LONG ws;
1394
1395	hRgn1 = CreateRectRgn(0, 0, w->width, w->height);
1396	hRgn2 = CreateRectRgn(50, 50, 100, 100);
1397	hRgn3 = CreateRectRgn(0, 0, 0, 0);
1398	CombineRgn(hRgn3, hRgn1, hRgn2, RGN_DIFF);
1399	SetWindowRgn(w->visual->hWnd, hRgn3, true);
1400	DeleteObject(hRgn1);
1401	DeleteObject(hRgn2);
1402
1403	hWndParent = GetParent(w->visual->hWnd);
1404	ws = GetWindowLong(hWndParent, GWL_STYLE);
1405	ws &= ~WS_CLIPCHILDREN;
1406	SetWindowLong(hWndParent, GWL_STYLE, ws);
1407
1408	RECT rcClip;
1409
1410	rcClip.left = 50;
1411	rcClip.top = 50;
1412	rcClip.right = 100;
1413	rcClip.bottom = 100;
1414	ValidateRect(w->visual->hWnd, &rcClip);
1415
1416	return_value = GetClipBox(w->visual->device_context, &rcClip);
1417	crDebug("GetClipBox returned %d (NR=%d,SR=%d,CR=%d,ERR=%d)",
1418	return_value, NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR);
1419
1420	crDebug("rcClip(%d, %d, %d, %d)", rcClip.left, rcClip.top, rcClip.right, rcClip.bottom);
1421
1422	return_value = ExcludeClipRect(w->visual->device_context, 50, 50, 100, 100);
1423	crDebug("ExcludeClipRect returned %d (NR=%d,SR=%d,CR=%d,ERR=%d)",
1424	return_value, NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR);
1425
1426	return_value = GetClipBox(w->visual->device_context, &rcClip);
1427	crDebug("GetClipBox returned %d (NR=%d,SR=%d,CR=%d,ERR=%d)",
1428	return_value, NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR);
1429	crDebug("rcClip(%d, %d, %d, %d)", rcClip.left, rcClip.top, rcClip.right, rcClip.bottom);
1430	*/
1431	return_value = render_spu.ws.wglSwapBuffers( w->device_context );
1432	}
1433	if (!return_value)
1434	{
1435	/* GOD DAMN IT. The latest versions of the NVIDIA drivers
1436	* return failure from wglSwapBuffers, but it works just fine.
1437	* WHAT THE HELL?! */
1438
1439	crWarning( "wglSwapBuffers failed: return value of %d!", return_value);
1440	}
1441	}
1442
1443	void renderspu_SystemReparentWindow(WindowInfo *window)
1444	{
1445	SetParent(window->hWnd, (HWND)render_spu_parent_window_id);
1446	}

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source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_wgl.c@ 39736

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