renderspu_wgl.c@ 56922

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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
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	crDebug("RegQueryValueExA 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 quirk patch 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	rc = renderspuAtiQuirk_GetICDDriverList(aBuf, sizeof (aBuf), &cbResult);
323	if (RT_FAILURE(rc))
324	{
325	crDebug("renderspuAtiQuirk_GetICDDriverList failed, rc(%d)", rc);
326	return rc;
327	}
328
329	for (pszVal = renderspuRegMultiSzCurVal(aBuf);
330	pszVal;
331	pszVal = renderspuRegMultiSzNextVal(pszVal))
332	{
333	renderspuAtiQuirk_ApplyForModule(pszVal);
334	}
335
336	return VINF_SUCCESS;
337	}
338
339	static GLboolean renderspuAtiQuirk_Needed()
340	{
341	const char * pszString = render_spu.ws.glGetString(GL_VENDOR);
342	if (pszString && strstr(pszString, "ATI"))
343	return GL_TRUE;
344	pszString = render_spu.ws.glGetString(GL_RENDERER);
345	if (pszString && strstr(pszString, "ATI"))
346	return GL_TRUE;
347	return GL_FALSE;
348	}
349
350	static void renderspuAtiQuirk_ChkApply()
351	{
352	static GLboolean fChecked = GL_FALSE;
353	if (fChecked)
354	return;
355
356	fChecked = GL_TRUE;
357	if (!renderspuAtiQuirk_Needed())
358	return;
359
360	crInfo("This is an ATI card, taking care of fullscreen..");
361
362	/*
363	* ATI WDDM-based graphics have an issue with rendering fullscreen.
364	* See public tickets #9775 & #9267 .
365	* Namely ATI drivers check whether ogl window is foreground and fullscreen
366	* and if so - do D3DKMTSetDisplayMode for ogl surface,
367	* which prevented any other data from being displayed, no matter what.
368	*
369	* Here we check whether we're using an ATI card and if so, patch the ogl ICD driver's IAT
370	* to replace GetForegroundWindow reference with our renderspuAtiQuirk_GetForegroundWindow,
371	* which always returns NULL.
372	*/
373	renderspuAtiQuirk_Apply();
374	}
375
376	#define WINDOW_NAME window->title
377
378	static BOOL
379	bSetupPixelFormat( HDC hdc, GLbitfield visAttribs );
380
381	GLboolean renderspu_SystemInitVisual( VisualInfo *visual )
382	{
383	if (visual->visAttribs & CR_PBUFFER_BIT) {
384	crWarning("Render SPU: PBuffers not support on Windows yet.");
385	}
386
387	/* In the windows world, we need a window before a context.
388	* Use the device_context as a marker to do just that */
389
390	return TRUE;
391	}
392
393	void renderspu_SystemDestroyWindow( WindowInfo *window )
394	{
395	VBOX_RENDERSPU_DESTROY_WINDOW vrdw;
396
397	CRASSERT(window);
398
399	/DestroyWindow( window->hWnd );/
400
401	vrdw.hWnd = window->hWnd;
402
403	if (render_spu.dwWinThreadId)
404	{
405	PostThreadMessage(render_spu.dwWinThreadId, WM_VBOX_RENDERSPU_DESTROY_WINDOW, 0, (LPARAM) &vrdw);
406	WaitForSingleObject(render_spu.hWinThreadReadyEvent, INFINITE);
407	}
408	else
409	{
410	crError("Render SPU: window thread is not running");
411	}
412
413	window->hWnd = NULL;
414	window->visual = NULL;
415	if (window->hRgn)
416	{
417	DeleteObject(window->hRgn);
418	window->hRgn = NULL;
419	}
420	}
421
422	static LONG WINAPI
423	MainWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
424	{
425	/* int w,h; */
426
427	switch ( uMsg ) {
428	case WM_PAINT:
429	{
430	WindowInfo pWindow = (WindowInfo )GetWindowLongPtr(hWnd, GWLP_USERDATA);
431	if (pWindow)
432	{
433	const struct VBOXVR_SCR_COMPOSITOR * pCompositor;
434
435	pCompositor = renderspuVBoxCompositorAcquire(pWindow);
436	if (pCompositor)
437	{
438	HDC hDC;
439	PAINTSTRUCT Paint;
440
441	Assert(pWindow->device_context);
442	hDC = BeginPaint(pWindow->hWnd, &Paint);
443	if (hDC)
444	{
445	BOOL bRc;
446	pWindow->redraw_device_context = hDC;
447
448	renderspuVBoxPresentCompositionGeneric(pWindow, pCompositor, NULL, 1, true);
449
450	bRc = EndPaint(pWindow->hWnd, &Paint);
451
452	pWindow->redraw_device_context = NULL;
453
454	renderspuVBoxCompositorRelease(pWindow);
455
456	if (!bRc)
457	{
458	DWORD winEr = GetLastError();
459	crWarning("EndPaint failed, winEr %d", winEr);
460	}
461	}
462	else
463	{
464	DWORD winEr = GetLastError();
465	crWarning("BeginPaint failed, winEr %d", winEr);
466	}
467	}
468	}
469	break;
470	}
471	case WM_SIZE:
472	/* w = LOWORD( lParam );
473	* h = HIWORD( lParam ); */
474
475	/* glViewport( 0, 0, w, h ); */
476	#if 0
477	glViewport( -render_spu.mural_x, -render_spu.mural_y,
478	render_spu.mural_width, render_spu.mural_height );
479	glScissor( -render_spu.mural_x, -render_spu.mural_y,
480	render_spu.mural_width, render_spu.mural_height );
481	#endif
482	break;
483
484	case WM_CLOSE:
485	crWarning( "Render SPU: caught WM_CLOSE -- quitting." );
486	exit( 0 );
487	break;
488
489	case WM_DESTROY:
490	crDebug("Render SPU: caught WM_DESTROY for our window %x", hWnd);
491	break;
492
493	case WM_NCHITTEST:
494	crDebug("WM_NCHITTEST");
495	return HTNOWHERE;
496	}
497
498	return DefWindowProc( hWnd, uMsg, wParam, lParam );
499	}
500
501	static BOOL
502	bSetupPixelFormatEXT( HDC hdc, GLbitfield visAttribs)
503	{
504	PIXELFORMATDESCRIPTOR ppfd;
505	int pixelFormat;
506	int attribList[100];
507	float fattribList[] = { 0.0, 0.0 };
508	int numFormats;
509	int i = 0;
510	BOOL vis;
511
512	CRASSERT(visAttribs & CR_RGB_BIT); /* anybody need color index */
513
514	crWarning("Render SPU: Using WGL_EXT_pixel_format to select visual ID.");
515
516	attribList[i++] = WGL_DRAW_TO_WINDOW_EXT;
517	attribList[i++] = GL_TRUE;
518	attribList[i++] = WGL_ACCELERATION_EXT;
519	attribList[i++] = WGL_FULL_ACCELERATION_EXT;
520	attribList[i++] = WGL_COLOR_BITS_EXT;
521	attribList[i++] = 24;
522	attribList[i++] = WGL_RED_BITS_EXT;
523	attribList[i++] = 1;
524	attribList[i++] = WGL_GREEN_BITS_EXT;
525	attribList[i++] = 1;
526	attribList[i++] = WGL_BLUE_BITS_EXT;
527	attribList[i++] = 1;
528
529	crWarning("Render SPU: Visual chosen is... RGB");
530
531	if (visAttribs & CR_ALPHA_BIT)
532	{
533	attribList[i++] = WGL_ALPHA_BITS_EXT;
534	attribList[i++] = 1;
535	crWarning("A");
536	}
537
538	crWarning(", ");
539
540	if (visAttribs & CR_DOUBLE_BIT) {
541	attribList[i++] = WGL_DOUBLE_BUFFER_EXT;
542	attribList[i++] = GL_TRUE;
543	crWarning("DB, ");
544	}
545
546	if (visAttribs & CR_STEREO_BIT) {
547	attribList[i++] = WGL_STEREO_EXT;
548	attribList[i++] = GL_TRUE;
549	crWarning("Stereo, ");
550	}
551
552	if (visAttribs & CR_DEPTH_BIT)
553	{
554	attribList[i++] = WGL_DEPTH_BITS_EXT;
555	attribList[i++] = 1;
556	crWarning("Z, ");
557	}
558
559	if (visAttribs & CR_STENCIL_BIT)
560	{
561	attribList[i++] = WGL_STENCIL_BITS_EXT;
562	attribList[i++] = 1;
563	crWarning("Stencil, ");
564	}
565
566	if (visAttribs & CR_ACCUM_BIT)
567	{
568	attribList[i++] = WGL_ACCUM_RED_BITS_EXT;
569	attribList[i++] = 1;
570	attribList[i++] = WGL_ACCUM_GREEN_BITS_EXT;
571	attribList[i++] = 1;
572	attribList[i++] = WGL_ACCUM_BLUE_BITS_EXT;
573	attribList[i++] = 1;
574	crWarning("Accum, ");
575	if (visAttribs & CR_ALPHA_BIT)
576	{
577	attribList[i++] = WGL_ACCUM_ALPHA_BITS_EXT;
578	attribList[i++] = 1;
579	crWarning("Accum Alpha, ");
580	}
581	}
582
583	if (visAttribs & CR_MULTISAMPLE_BIT)
584	{
585	attribList[i++] = WGL_SAMPLE_BUFFERS_EXT;
586	attribList[i++] = 1;
587	attribList[i++] = WGL_SAMPLES_EXT;
588	attribList[i++] = 4;
589	crWarning("Multisample, ");
590	}
591
592	crWarning("\n");
593
594	/* End the list */
595	attribList[i++] = 0;
596	attribList[i++] = 0;
597
598	vis = render_spu.ws.wglChoosePixelFormatEXT( hdc, attribList, fattribList, 1, &pixelFormat, &numFormats);
599
600	crDebug("Render SPU: wglChoosePixelFormatEXT (vis 0x%x, LastError 0x%x, pixelFormat 0x%x", vis, GetLastError(), pixelFormat);
601
602	#ifdef VBOX_CR_SERVER_FORCE_WGL
603	render_spu.ws.wglSetPixelFormat( hdc, pixelFormat, &ppfd );
604	#else
605	SetPixelFormat( hdc, pixelFormat, &ppfd );
606	#endif
607
608	crDebug("Render SPU: wglSetPixelFormat (Last error 0x%x)", GetLastError());
609
610	return vis;
611	}
612
613	static BOOL
614	bSetupPixelFormatNormal( HDC hdc, GLbitfield visAttribs )
615	{
616	PIXELFORMATDESCRIPTOR pfd = {
617	sizeof(PIXELFORMATDESCRIPTOR), /* size of this pfd */
618	1, /* version number */
619	PFD_DRAW_TO_WINDOW \| /* support window */
620	PFD_SUPPORT_OPENGL, /* support OpenGL */
621	PFD_TYPE_RGBA, /* RGBA type */
622	24, /* 24-bit color depth */
623	0, 0, 0, 0, 0, 0, /* color bits ignored */
624	0, /* no alpha buffer */
625	0, /* shift bit ignored */
626	0, /* no accumulation buffer */
627	0, 0, 0, 0, /* accum bits ignored */
628	0, /* set depth buffer */
629	0, /* set stencil buffer */
630	0, /* no auxiliary buffer */
631	PFD_MAIN_PLANE, /* main layer */
632	0, /* reserved */
633	0, 0, 0 /* layer masks ignored */
634	};
635	PIXELFORMATDESCRIPTOR *ppfd = &pfd;
636	char s[1000];
637	GLbitfield b = 0;
638	int pixelformat;
639
640	renderspuMakeVisString( visAttribs, s );
641
642	crDebug( "Render SPU: WGL wants these visual capabilities: %s", s);
643
644	/* These really come into play with sort-last configs */
645	if (visAttribs & CR_DEPTH_BIT)
646	ppfd->cDepthBits = 24;
647	if (visAttribs & CR_ACCUM_BIT)
648	ppfd->cAccumBits = 16;
649	if (visAttribs & CR_RGB_BIT)
650	ppfd->cColorBits = 24;
651	if (visAttribs & CR_STENCIL_BIT)
652	ppfd->cStencilBits = 8;
653	if (visAttribs & CR_ALPHA_BIT)
654	ppfd->cAlphaBits = 8;
655	if (visAttribs & CR_DOUBLE_BIT)
656	ppfd->dwFlags \|= PFD_DOUBLEBUFFER;
657	if (visAttribs & CR_STEREO_BIT)
658	ppfd->dwFlags \|= PFD_STEREO;
659
660	/*
661	* We call the wgl functions directly if the SPU was loaded
662	* by our faker library, otherwise we have to call the GDI
663	* versions.
664	*/
665	#ifdef VBOX_CR_SERVER_FORCE_WGL
666	if (crGetenv( "CR_WGL_DO_NOT_USE_GDI" ) != NULL)
667	{
668	pixelformat = render_spu.ws.wglChoosePixelFormat( hdc, ppfd );
669	/* doing this twice is normal Win32 magic */
670	pixelformat = render_spu.ws.wglChoosePixelFormat( hdc, ppfd );
671	if ( pixelformat == 0 )
672	{
673	crError( "render_spu.ws.wglChoosePixelFormat failed" );
674	}
675	if ( !render_spu.ws.wglSetPixelFormat( hdc, pixelformat, ppfd ) )
676	{
677	crError( "render_spu.ws.wglSetPixelFormat failed" );
678	}
679
680	render_spu.ws.wglDescribePixelFormat( hdc, pixelformat, sizeof(*ppfd), ppfd );
681	}
682	else
683	#endif
684	{
685	/* Okay, we were loaded manually. Call the GDI functions. */
686	pixelformat = ChoosePixelFormat( hdc, ppfd );
687	/* doing this twice is normal Win32 magic */
688	pixelformat = ChoosePixelFormat( hdc, ppfd );
689	if ( pixelformat == 0 )
690	{
691	crError( "ChoosePixelFormat failed" );
692	}
693	if ( !SetPixelFormat( hdc, pixelformat, ppfd ) )
694	{
695	crError( "SetPixelFormat failed (Error 0x%x)", GetLastError() );
696	}
697
698	DescribePixelFormat( hdc, pixelformat, sizeof(*ppfd), ppfd );
699	}
700
701
702	if (ppfd->cDepthBits > 0)
703	b \|= CR_DEPTH_BIT;
704	if (ppfd->cAccumBits > 0)
705	b \|= CR_ACCUM_BIT;
706	if (ppfd->cColorBits > 8)
707	b \|= CR_RGB_BIT;
708	if (ppfd->cStencilBits > 0)
709	b \|= CR_STENCIL_BIT;
710	if (ppfd->cAlphaBits > 0)
711	b \|= CR_ALPHA_BIT;
712	if (ppfd->dwFlags & PFD_DOUBLEBUFFER)
713	b \|= CR_DOUBLE_BIT;
714	if (ppfd->dwFlags & PFD_STEREO)
715	b \|= CR_STEREO_BIT;
716
717	renderspuMakeVisString( b, s );
718
719	crDebug( "Render SPU: WGL chose these visual capabilities: %s", s);
720	return TRUE;
721	}
722
723	static BOOL
724	bSetupPixelFormat( HDC hdc, GLbitfield visAttribs )
725	{
726	/* According to http://www.opengl.org/resources/faq/technical/mswindows.htm
727	we shouldn't be using wgl functions to setup pixel formats unless we're loading ICD driver.
728	In particular, bSetupPixelFormatEXT bugs with Intel drivers.
729	*/
730	return bSetupPixelFormatNormal(hdc, visAttribs);
731	}
732
733	GLboolean renderspu_SystemCreateWindow( VisualInfo visual, GLboolean showIt, WindowInfo window )
734	{
735	HDESK desktop;
736	HINSTANCE hinstance;
737	WNDCLASS wc;
738	DWORD window_style;
739	int window_plus_caption_width;
740	int window_plus_caption_height;
741
742	window->hRgn = NULL;
743	window->visual = visual;
744	window->nativeWindow = 0;
745
746	if ( render_spu.use_L2 )
747	{
748	crWarning( "Going fullscreen because we think we're using Lightning-2." );
749	render_spu.fullscreen = 1;
750	}
751
752	/*
753	* Begin Windows / WGL code
754	*/
755
756	hinstance = GetModuleHandle( NULL );
757	if (!hinstance)
758	{
759	crError( "Render SPU: Couldn't get a handle to my module." );
760	return GL_FALSE;
761	}
762	crDebug( "Render SPU: Got the module handle: 0x%x", hinstance );
763
764	/* If we were launched from a service, telnet, or rsh, we need to
765	* get the input desktop. */
766
767	desktop = OpenInputDesktop( 0, FALSE,
768	DESKTOP_CREATEMENU \| DESKTOP_CREATEWINDOW \|
769	DESKTOP_ENUMERATE \| DESKTOP_HOOKCONTROL \|
770	DESKTOP_WRITEOBJECTS \| DESKTOP_READOBJECTS \|
771	DESKTOP_SWITCHDESKTOP \| GENERIC_WRITE );
772
773	if ( !desktop )
774	{
775	crError( "Render SPU: Couldn't acquire input desktop" );
776	return GL_FALSE;
777	}
778	crDebug( "Render SPU: Got the desktop: 0x%x", desktop );
779
780	if ( !SetThreadDesktop( desktop ) )
781	{
782	/* If this function fails, it's probably because
783	* it's already been called (i.e., the render SPU
784	* is bolted to an application?) */
785
786	/crError( "Couldn't set thread to input desktop" ); /
787	}
788	crDebug( "Render SPU: Set the thread desktop -- this might have failed." );
789
790	if ( !GetClassInfo(hinstance, WINDOW_NAME, &wc) )
791	{
792	wc.style = CS_OWNDC;
793	wc.lpfnWndProc = (WNDPROC) MainWndProc;
794	wc.cbClsExtra = 0;
795	wc.cbWndExtra = 0;
796	wc.hInstance = hinstance;
797	wc.hIcon = LoadIcon( NULL, IDI_APPLICATION );
798	wc.hCursor = LoadCursor( NULL, IDC_ARROW );
799	wc.hbrBackground = NULL;
800	wc.lpszMenuName = NULL;
801	wc.lpszClassName = WINDOW_NAME;
802
803	if ( !RegisterClass( &wc ) )
804	{
805	crError( "Render SPU: Couldn't register window class -- you're not trying "
806	"to do multi-pipe stuff on windows, are you?\n\nNote --"
807	"This error message is from 1997 and probably doesn't make"
808	"any sense any more, but it's nostalgic for Humper." );
809	return GL_FALSE;
810	}
811	crDebug( "Render SPU: Registered the class" );
812	}
813	crDebug( "Render SPU: Got the class information" );
814
815	/* Full screen window should be a popup (undecorated) window */
816	#if 1
817	window_style = ( render_spu.fullscreen ? WS_POPUP : WS_CAPTION );
818	#else
819	window_style = ( WS_OVERLAPPEDWINDOW \| WS_CLIPSIBLINGS \| WS_CLIPCHILDREN );
820	window_style \|= WS_SYSMENU;
821	#endif
822
823	crDebug( "Render SPU: Fullscreen: %s", render_spu.fullscreen ? "yes" : "no");
824
825	if ( render_spu.fullscreen )
826	{
827	#if 0
828
829	int smCxFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME );
830	int smCyFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME ) + 1;
831	int smCyCaption = GetSystemMetrics( SM_CYCAPTION );
832
833	window->BltInfo.width = GetSystemMetrics( SM_CXSCREEN ) ;
834	window->BltInfo.height = GetSystemMetrics( SM_CYSCREEN ) ;
835
836	crDebug( "Render SPU: Window Dims: %d, %d", window->BltInfo.width, window->BltInfo.height );
837
838	window->x = render_spu->defaultX - smCxFixedFrame - 1;
839	window->y = render_spu->defaultY - smCyFixedFrame - smCyCaption;
840
841	window_plus_caption_width = window->BltInfo.width + 2 * smCxFixedFrame;
842	window_plus_caption_height = window->BltInfo.height + 2 * smCyFixedFrame + smCyCaption;
843
844	#else
845	/* Since it's undecorated, we don't have to do anything fancy
846	* with these parameters. */
847
848	window->BltInfo.width = GetSystemMetrics( SM_CXSCREEN ) ;
849	window->BltInfo.height = GetSystemMetrics( SM_CYSCREEN ) ;
850	window->x = 0;
851	window->y = 0;
852	window_plus_caption_width = window->BltInfo.width;
853	window_plus_caption_height = window->BltInfo.height;
854
855	#endif
856	}
857	else
858	{
859	/* CreateWindow takes the size of the entire window, so we add
860	* in the size necessary for the frame and the caption. */
861
862	int smCxFixedFrame, smCyFixedFrame, smCyCaption;
863	smCxFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME );
864	crDebug( "Render SPU: Got the X fixed frame" );
865	smCyFixedFrame = GetSystemMetrics( SM_CYFIXEDFRAME );
866	crDebug( "Render SPU: Got the Y fixed frame" );
867	smCyCaption = GetSystemMetrics( SM_CYCAPTION );
868	crDebug( "Render SPU: Got the Caption " );
869
870	window_plus_caption_width = window->BltInfo.width + 2 * smCxFixedFrame;
871	window_plus_caption_height = window->BltInfo.height + 2 * smCyFixedFrame + smCyCaption;
872
873	window->x = render_spu.defaultX - smCxFixedFrame;
874	window->y = render_spu.defaultY - smCyFixedFrame - smCyCaption;
875	}
876
877	crDebug( "Render SPU: Creating the window: (%d,%d), (%d,%d)", render_spu.defaultX, render_spu.defaultY, window_plus_caption_width, window_plus_caption_height );
878	window->hWnd = CreateWindow( WINDOW_NAME, WINDOW_NAME,
879	window_style,
880	window->x, window->y,
881	window_plus_caption_width,
882	window_plus_caption_height,
883	NULL, NULL, hinstance, &render_spu );
884
885	if ( !window->hWnd )
886	{
887	crError( "Render SPU: Create Window failed! That's almost certainly terrible." );
888	return GL_FALSE;
889	}
890
891	window->visible = showIt;
892
893	if (!showIt)
894	{
895	renderspu_SystemShowWindow( window, 0 );
896	if (window->BltInfo.height <= 0 \|\| window->BltInfo.width <= 0)
897	{
898	renderspu_SystemWindowSize(window,
899	window->BltInfo.width > 0 ? window->BltInfo.width : 4,
900	window->BltInfo.height > 0 ? window->BltInfo.height : 4);
901	}
902	}
903	else
904	{
905	crDebug( "Render SPU: Showing the window" );
906	crDebug("renderspu_SystemCreateWindow: showwindow: %x", window->hWnd);
907	}
908
909	CRASSERT(!window->visible == !showIt);
910
911	/* Intel drivers require a window to be visible for proper 3D rendering,
912	* so set it visible and handle the visibility with visible regions (see below) */
913	ShowWindow( window->hWnd, SW_SHOWNORMAL );
914
915	SetForegroundWindow( window->hWnd );
916
917	SetWindowPos( window->hWnd, HWND_TOP, window->x, window->y,
918	window_plus_caption_width, window_plus_caption_height,
919	( render_spu.fullscreen ? (SWP_SHOWWINDOW \|
920	SWP_NOSENDCHANGING \|
921	SWP_NOREDRAW \|
922	SWP_NOACTIVATE ) :
923	0 ) );
924
925	if ( render_spu.fullscreen )
926	ShowCursor( FALSE );
927
928	window->device_context = GetDC( window->hWnd );
929	if (!window->device_context)
930	{
931	DWORD winEr = GetLastError();
932	crWarning("GetDC failed, winEr %d", winEr);
933	}
934
935	crDebug( "Render SPU: Got the DC: 0x%x", window->device_context );
936
937	if ( !bSetupPixelFormat( window->device_context, visual->visAttribs ) )
938	{
939	crError( "Render SPU: Couldn't set up the device context! Yikes!" );
940	return GL_FALSE;
941	}
942
943	return GL_TRUE;
944	}
945
946	GLboolean renderspu_SystemVBoxCreateWindow( VisualInfo visual, GLboolean showIt, WindowInfo window )
947	{
948	#if 0
949	HDESK desktop;
950	#endif
951	HINSTANCE hinstance;
952	WNDCLASS wc;
953	DWORD window_style;
954	int window_plus_caption_width;
955	int window_plus_caption_height;
956
957	window->hRgn = NULL;
958	window->visual = visual;
959	window->nativeWindow = 0;
960
961	if ( render_spu.use_L2 )
962	{
963	crWarning( "Going fullscreen because we think we're using Lightning-2." );
964	render_spu.fullscreen = 1;
965	}
966
967	/*
968	* Begin Windows / WGL code
969	*/
970
971	hinstance = GetModuleHandle( NULL );
972	if (!hinstance)
973	{
974	crError( "Render SPU: Couldn't get a handle to my module." );
975	return GL_FALSE;
976	}
977	crDebug( "Render SPU: Got the module handle: 0x%x", hinstance );
978
979	#if 0
980	/* If we were launched from a service, telnet, or rsh, we need to
981	* get the input desktop. */
982
983	desktop = OpenInputDesktop( 0, FALSE,
984	DESKTOP_CREATEMENU \| DESKTOP_CREATEWINDOW \|
985	DESKTOP_ENUMERATE \| DESKTOP_HOOKCONTROL \|
986	DESKTOP_WRITEOBJECTS \| DESKTOP_READOBJECTS \|
987	DESKTOP_SWITCHDESKTOP \| GENERIC_WRITE );
988
989	if ( !desktop )
990	{
991	crError( "Render SPU: Couldn't acquire input desktop" );
992	return GL_FALSE;
993	}
994	crDebug( "Render SPU: Got the desktop: 0x%x", desktop );
995
996	if ( !SetThreadDesktop( desktop ) )
997	{
998	/* If this function fails, it's probably because
999	* it's already been called (i.e., the render SPU
1000	* is bolted to an application?) */
1001
1002	/crError( "Couldn't set thread to input desktop" ); /
1003	}
1004	crDebug( "Render SPU: Set the thread desktop -- this might have failed." );
1005	#endif
1006
1007	if ( !GetClassInfo(hinstance, WINDOW_NAME, &wc) )
1008	{
1009	wc.style = CS_OWNDC; // \| CS_PARENTDC;
1010	wc.lpfnWndProc = (WNDPROC) MainWndProc;
1011	wc.cbClsExtra = 0;
1012	wc.cbWndExtra = 0;
1013	wc.hInstance = hinstance;
1014	wc.hIcon = NULL; //LoadIcon( NULL, IDI_APPLICATION );
1015	wc.hCursor = NULL; //LoadCursor( NULL, IDC_ARROW );
1016	wc.hbrBackground = NULL;
1017	wc.lpszMenuName = NULL;
1018	wc.lpszClassName = WINDOW_NAME;
1019
1020	if ( !RegisterClass( &wc ) )
1021	{
1022	crError( "Render SPU: Couldn't register window class -- you're not trying "
1023	"to do multi-pipe stuff on windows, are you?\n\nNote --"
1024	"This error message is from 1997 and probably doesn't make"
1025	"any sense any more, but it's nostalgic for Humper." );
1026	return GL_FALSE;
1027	}
1028	crDebug( "Render SPU: Registered the class" );
1029	}
1030	crDebug( "Render SPU: Got the class information" );
1031
1032	/* Full screen window should be a popup (undecorated) window */
1033	#if 1
1034	window_style = WS_CLIPSIBLINGS \| WS_CLIPCHILDREN \| WS_DISABLED;
1035	if (render_spu_parent_window_id)
1036	{
1037	window_style \|= WS_CHILD;
1038	}
1039	#else
1040	window_style = ( WS_OVERLAPPEDWINDOW \| WS_CLIPSIBLINGS \| WS_CLIPCHILDREN );
1041	window_style \|= WS_SYSMENU;
1042	#endif
1043
1044	crDebug( "Render SPU: Fullscreen: %s", render_spu.fullscreen ? "yes" : "no");
1045
1046	if ( render_spu.fullscreen )
1047	{
1048	#if 0
1049
1050	int smCxFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME );
1051	int smCyFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME ) + 1;
1052	int smCyCaption = GetSystemMetrics( SM_CYCAPTION );
1053
1054	window->BltInfo.width = GetSystemMetrics( SM_CXSCREEN ) ;
1055	window->BltInfo.height = GetSystemMetrics( SM_CYSCREEN ) ;
1056
1057	crDebug( "Render SPU: Window Dims: %d, %d", window->BltInfo.width, window->BltInfo.height );
1058
1059	window->x = render_spu->defaultX - smCxFixedFrame - 1;
1060	window->y = render_spu->defaultY - smCyFixedFrame - smCyCaption;
1061
1062	window_plus_caption_width = window->BltInfo.width + 2 * smCxFixedFrame;
1063	window_plus_caption_height = window->BltInfo.height + 2 * smCyFixedFrame + smCyCaption;
1064
1065	#else
1066	/* Since it's undecorated, we don't have to do anything fancy
1067	* with these parameters. */
1068
1069	window->BltInfo.width = GetSystemMetrics( SM_CXSCREEN ) ;
1070	window->BltInfo.height = GetSystemMetrics( SM_CYSCREEN ) ;
1071	window->x = 0;
1072	window->y = 0;
1073	window_plus_caption_width = window->BltInfo.width;
1074	window_plus_caption_height = window->BltInfo.height;
1075
1076	#endif
1077	}
1078	else
1079	{
1080	/* CreateWindow takes the size of the entire window, so we add
1081	* in the size necessary for the frame and the caption. */
1082	int smCxFixedFrame, smCyFixedFrame, smCyCaption;
1083	smCxFixedFrame = GetSystemMetrics( SM_CXFIXEDFRAME );
1084	crDebug( "Render SPU: Got the X fixed frame" );
1085	smCyFixedFrame = GetSystemMetrics( SM_CYFIXEDFRAME );
1086	crDebug( "Render SPU: Got the Y fixed frame" );
1087	smCyCaption = GetSystemMetrics( SM_CYCAPTION );
1088	crDebug( "Render SPU: Got the Caption " );
1089
1090	window_plus_caption_width = window->BltInfo.width + 2 * smCxFixedFrame;
1091	window_plus_caption_height = window->BltInfo.height + 2 * smCyFixedFrame + smCyCaption;
1092
1093	window->x = render_spu.defaultX;
1094	window->y = render_spu.defaultY;
1095	}
1096
1097	crDebug( "Render SPU: Creating the window: (%d,%d), (%d,%d)", render_spu.defaultX, render_spu.defaultY, window_plus_caption_width, window_plus_caption_height );
1098	/*window->hWnd = CreateWindowEx( WS_EX_NOACTIVATE \| WS_EX_NOPARENTNOTIFY,
1099	WINDOW_NAME, WINDOW_NAME,
1100	window_style,
1101	window->x, window->y,
1102	window->BltInfo.width,
1103	window->BltInfo.height,
1104	(void) render_spu_parent_window_id, NULL, hinstance, &render_spu );/
1105	{
1106	CREATESTRUCT cs;
1107
1108	cs.lpCreateParams = window;
1109
1110	cs.dwExStyle = WS_EX_NOACTIVATE \| WS_EX_NOPARENTNOTIFY;
1111	cs.lpszName = WINDOW_NAME;
1112	cs.lpszClass = WINDOW_NAME;
1113	cs.style = window_style;
1114	cs.x = window->x;
1115	cs.y = window->y;
1116	cs.cx = window->BltInfo.width;
1117	cs.cy = window->BltInfo.height;
1118	cs.hwndParent = (void*) render_spu_parent_window_id;
1119	cs.hMenu = NULL;
1120	cs.hInstance = hinstance;
1121
1122	if (render_spu.dwWinThreadId)
1123	{
1124	DWORD res;
1125	int cnt=0;
1126
1127	if (!PostThreadMessage(render_spu.dwWinThreadId, WM_VBOX_RENDERSPU_CREATE_WINDOW, 0, (LPARAM) &cs))
1128	{
1129	crError("Render SPU: PostThreadMessage failed with %i", GetLastError());
1130	return GL_FALSE;
1131	}
1132
1133	do
1134	{
1135	res = WaitForSingleObject(render_spu.hWinThreadReadyEvent, 1000);
1136	cnt++;
1137	}
1138	while ((res!=WAIT_OBJECT_0) && (cnt<10));
1139
1140	crDebug("Render SPU: window thread waited %i secs", cnt);
1141
1142	if (res!=WAIT_OBJECT_0)
1143	{
1144	crError("Render SPU: window thread not responded after %i tries", cnt);
1145	return GL_FALSE;
1146	}
1147	}
1148	else
1149	{
1150	crError("Render SPU: window thread is not running");
1151	return GL_FALSE;
1152	}
1153	}
1154
1155	if ( !window->hWnd )
1156	{
1157	crError( "Render SPU: Create Window failed! That's almost certainly terrible." );
1158	return GL_FALSE;
1159	}
1160
1161	window->visible = 1;
1162
1163	if (!showIt)
1164	{
1165	renderspu_SystemShowWindow( window, 0 );
1166	if (window->BltInfo.height <= 0 \|\| window->BltInfo.width <= 0)
1167	{
1168	renderspu_SystemWindowSize(window,
1169	window->BltInfo.width > 0 ? window->BltInfo.width : 4,
1170	window->BltInfo.height > 0 ? window->BltInfo.height : 4);
1171	}
1172	}
1173	else
1174	{
1175	#ifdef DEBUG_misha
1176	crWarning( "Render SPU: Showing the window" );
1177	#else
1178	crDebug( "Render SPU: Showing the window" );
1179	#endif
1180	crDebug("renderspu_SystemCreateWindow: showwindow: %x", window->hWnd);
1181	}
1182
1183	CRASSERT(!window->visible == !showIt);
1184
1185	/* Intel drivers require a window to be visible for proper 3D rendering,
1186	* so set it visible and handle the visibility with visible regions (see below) */
1187	if (window->BltInfo.Base.id != CR_RENDER_DEFAULT_WINDOW_ID)
1188	{
1189	ShowWindow( window->hWnd, SW_SHOWNORMAL );
1190	}
1191	else
1192	{
1193	CRASSERT(!showIt);
1194	/* dummy window is always hidden in any way */
1195	}
1196
1197	//SetForegroundWindow( visual->hWnd );
1198
1199	SetWindowPos( window->hWnd, HWND_TOP, window->x, window->y,
1200	window->BltInfo.width, window->BltInfo.height,
1201	( render_spu.fullscreen ?
1202	(SWP_SHOWWINDOW \| SWP_NOSENDCHANGING \| SWP_NOREDRAW \| SWP_NOACTIVATE ) : SWP_NOACTIVATE
1203	) );
1204	crDebug("Render SPU: SetWindowPos (%x, %d, %d, %d, %d)", window->hWnd,
1205	window->x, window->y, window->BltInfo.width, window->BltInfo.height);
1206
1207	if ( render_spu.fullscreen )
1208	ShowCursor( FALSE );
1209
1210	window->device_context = GetDC( window->hWnd );
1211	if (!window->device_context)
1212	{
1213	DWORD winEr = GetLastError();
1214	crWarning("GetDC failed, winEr %d", winEr);
1215	}
1216
1217	crDebug( "Render SPU: Got the DC: 0x%x", window->device_context );
1218
1219	if ( !bSetupPixelFormat( window->device_context, visual->visAttribs ) )
1220	{
1221	crError( "Render SPU: Couldn't set up the device context! Yikes!" );
1222	return GL_FALSE;
1223	}
1224
1225	/* set the window pointer data at the last step to ensure our WM_PAINT callback does not do anything until we are fully initialized */
1226	{
1227	LONG_PTR oldVal = SetWindowLongPtr(window->hWnd, GWLP_USERDATA, (LONG_PTR)window);
1228	DWORD winEr = GetLastError();
1229	Assert(!oldVal && winEr == NO_ERROR);
1230	}
1231
1232	return GL_TRUE;
1233	}
1234
1235	static void renderspuWindowRgnApply(WindowInfo *window)
1236	{
1237	HRGN hRgn = window->hRgn;
1238	if (hRgn)
1239	{
1240	/* note: according to the docs, SetWindowRgn owns the regions after it is called,
1241	* and the regions will be freed automatically when needed,
1242	* i.e. the caller should not do that.
1243	* this is why we need to make a copy of the regions to be passed in */
1244
1245	int result;
1246	hRgn = CreateRectRgn(0, 0, 0, 0);
1247	if (!hRgn)
1248	{
1249	WARN(("CreateRectRgn failed"));
1250	return;
1251	}
1252
1253	result = CombineRgn(hRgn, window->hRgn, NULL, RGN_COPY);
1254	if (result == ERROR)
1255	{
1256	WARN(("CombineRgn failed"));
1257	return;
1258	}
1259	}
1260
1261	SetWindowRgn(window->hWnd, hRgn, true);
1262	}
1263
1264	/* Either show or hide the render SPU's window. */
1265	void renderspu_SystemShowWindow( WindowInfo *window, GLboolean showIt )
1266	{
1267	if (showIt)
1268	{
1269	crDebug("SHOW renderspu_SystemShowWindow: %x", window->hWnd);
1270	renderspuWindowRgnApply(window);
1271	}
1272	else
1273	{
1274	HRGN hRgn;
1275	crDebug("HIDE renderspu_SystemShowWindow: %x", window->hWnd);
1276	hRgn = CreateRectRgn(0, 0, 0, 0);
1277	SetWindowRgn(window->hWnd, hRgn, true);
1278	/* note: according to the docs, SetWindowRgn owns the regions after it is called,
1279	* and the regions will be freed automatically when needed,
1280	* i.e. the caller should not do that */
1281	}
1282	window->visible = showIt;
1283	}
1284
1285	void renderspu_SystemVBoxPresentComposition( WindowInfo window, const struct VBOXVR_SCR_COMPOSITOR_ENTRY pChangedEntry )
1286	{
1287	/* the CR_RENDER_FORCE_PRESENT_MAIN_THREAD is actually inherited from cocoa backend impl,
1288	* here it forces rendering in WinCmd thread rather than a Main thread.
1289	* it is used for debugging only in any way actually.
1290	* @todo: change to some more generic macro name */
1291	#ifndef CR_RENDER_FORCE_PRESENT_MAIN_THREAD
1292	const struct VBOXVR_SCR_COMPOSITOR *pCompositor;
1293	/* we do not want to be blocked with the GUI thread here, so only draw her eif we are really able to do that w/o bllocking */
1294	int rc = renderspuVBoxCompositorTryAcquire(window, &pCompositor);
1295	if (RT_SUCCESS(rc))
1296	{
1297	renderspuVBoxPresentCompositionGeneric(window, pCompositor, pChangedEntry, 0, false);
1298	renderspuVBoxCompositorRelease(window);
1299	}
1300	else if (rc == VERR_SEM_BUSY)
1301	#endif
1302	{
1303	render_spu.self.Flush();
1304	renderspuVBoxPresentBlitterEnsureCreated(window, 0);
1305	RedrawWindow(window->hWnd, NULL, NULL, RDW_INTERNALPAINT);
1306	}
1307	#ifndef CR_RENDER_FORCE_PRESENT_MAIN_THREAD
1308	else
1309	{
1310	/* this is somewhat we do not expect */
1311	crWarning("renderspuVBoxCompositorTryAcquire failed rc %d", rc);
1312	}
1313	#endif
1314	}
1315
1316	GLboolean renderspu_SystemCreateContext( VisualInfo visual, ContextInfo context, ContextInfo *sharedContext )
1317	{
1318	(void) sharedContext;
1319	context->visual = visual;
1320
1321	/* Found a visual, so we're o.k. to create the context now */
1322	if (0/visual->device_context/) {
1323
1324	//crDebug( "Render SPU: Using the DC: 0x%x", visual->device_context );
1325
1326	//context->hRC = render_spu.ws.wglCreateContext( visual->device_context );
1327	if (!context->hRC)
1328	{
1329	crError( "Render SPU: wglCreateContext failed (error 0x%x)", GetLastError() );
1330	return GL_FALSE;
1331	}
1332	} else {
1333	crDebug( "Render SPU: Delaying DC creation " );
1334	context->hRC = NULL; /* create it later in makecurrent */
1335	}
1336
1337
1338	return GL_TRUE;
1339	}
1340
1341	void renderspu_SystemDestroyContext( ContextInfo *context )
1342	{
1343	render_spu.ws.wglDeleteContext( context->hRC );
1344	context->hRC = NULL;
1345	}
1346
1347	static GLboolean renderspuChkActivateSharedContext(ContextInfo *sharedContext)
1348	{
1349	WindowInfo *window;
1350
1351	if (sharedContext->hRC)
1352	return GL_TRUE;
1353
1354	CRASSERT(sharedContext->BltInfo.Base.id);
1355
1356	if (sharedContext->shared)
1357	renderspuChkActivateSharedContext(sharedContext->shared);
1358
1359	window = renderspuGetDummyWindow(sharedContext->visual->visAttribs);
1360	if (!window)
1361	{
1362	crError("renderspuChkActivateSharedContext: renderspuGetDummyWindow failed!");
1363	return GL_FALSE;
1364	}
1365
1366	CRASSERT(window->device_context);
1367
1368	crDebug( "Render SPU: renderspuChkActivateSharedContext: made the DC: 0x%x", window->device_context );
1369
1370	sharedContext->hRC = render_spu.ws.wglCreateContext(window->device_context);
1371	if (!sharedContext->hRC)
1372	{
1373	crError( "Render SPU: (renderspuChkActivateSharedContext) Couldn't create the context for the window (error 0x%x)", GetLastError() );
1374	return GL_FALSE;
1375	}
1376
1377	return GL_TRUE;
1378	}
1379
1380	void renderspu_SystemMakeCurrent( WindowInfo window, GLint nativeWindow, ContextInfo context )
1381	{
1382	CRASSERT(render_spu.ws.wglMakeCurrent);
1383
1384	if (context && window) {
1385	if (window->visual != context->visual) {
1386	/*
1387	* XXX have to revisit this issue!!!
1388	*
1389	* But for now we destroy the current window
1390	* and re-create it with the context's visual abilities
1391	*/
1392
1393	/*@todo Chromium has no correct code to remove window ids and associated info from
1394	* various tables. This is hack which just hides the root case.
1395	*/
1396	crWarning("Recreating window in renderspu_SystemMakeCurrent\n");
1397	renderspu_SystemDestroyWindow( window );
1398	renderspu_SystemVBoxCreateWindow( context->visual, window->visible, window );
1399	}
1400
1401	if (0/render_spu.render_to_app_window && nativeWindow/)
1402	{
1403	/* The render_to_app_window option
1404	* is set and we've got a nativeWindow
1405	* handle, save the handle for
1406	* later calls to swapbuffers().
1407	*
1408	* NOTE: This doesn't work, except
1409	* for software driven Mesa.
1410	* We'd need to object link the
1411	* crappfaker and crserver to be able to share
1412	* the HDC values between processes.. FIXME!
1413	*/
1414	if (context->shared)
1415	{
1416	/* first make sure we have shared context created */
1417	renderspuChkActivateSharedContext(context->shared);
1418	}
1419
1420	window->nativeWindow = (HDC) nativeWindow;
1421	if (context->hRC == 0) {
1422	context->hRC = render_spu.ws.wglCreateContext( window->nativeWindow );
1423	if (!context->hRC)
1424	{
1425	crError( "(MakeCurrent) Couldn't create the context for the window (error 0x%x)", GetLastError() );
1426	}
1427	}
1428
1429	if (context->shared
1430	&& context->shared->hRC
1431	&& context->hRC)
1432	{
1433	/* share lists */
1434	render_spu.ws.wglShareLists(context->shared->hRC, context->hRC);
1435	}
1436
1437	render_spu.ws.wglMakeCurrent( window->nativeWindow, context->hRC );
1438	}
1439	else
1440	{
1441	if (!context->hRC) {
1442	CRASSERT(!nativeWindow);
1443	if (context->shared)
1444	{
1445	/* first make sure we have shared context created */
1446	renderspuChkActivateSharedContext(context->shared);
1447	}
1448
1449	context->hRC = render_spu.ws.wglCreateContext(window->device_context);
1450	if (!context->hRC)
1451	{
1452	crError( "Render SPU: (MakeCurrent) Couldn't create the context for the window (error 0x%x)", GetLastError() );
1453	}
1454
1455	if (context->shared
1456	&& context->shared->hRC
1457	&& context->hRC)
1458	{
1459	/* share lists */
1460	BOOL bRc = render_spu.ws.wglShareLists(context->shared->hRC, context->hRC);
1461	if (!bRc)
1462	{
1463	DWORD winEr = GetLastError();
1464	crWarning("wglShareLists failed, winEr %d", winEr);
1465	}
1466	}
1467
1468	/Requery ext function pointers, we skip dummy ctx as it should never be used with ext functions/
1469	if (0 && context->BltInfo.Base.id)
1470	{
1471	int numFuncs, i;
1472	SPUNamedFunctionTable ext_table[1000];
1473
1474
1475	crDebug("Default server ctx created, requerying ext functions");
1476	/requery ext functions/
1477	numFuncs = renderspuCreateFunctions(ext_table);
1478	numFuncs += crLoadOpenGLExtensions( &render_spu.ws, ext_table+numFuncs);
1479	CRASSERT(numFuncs < 1000);
1480
1481	/change spu dispatch/
1482	crSPUChangeDispatch(&render_spu.self, ext_table);
1483
1484
1485	/cleanup temp table/
1486	for (i=0; i<numFuncs; ++i)
1487	{
1488	if (ext_table[i].name) crFree(ext_table[i].name);
1489	}
1490	}
1491	}
1492
1493	/crDebug("MakeCurrent 0x%x, 0x%x", window->device_context, context->hRC);/
1494	if (!render_spu.ws.wglMakeCurrent(!nativeWindow ? window->device_context : window->redraw_device_context, context->hRC))
1495	{
1496	DWORD err = GetLastError();
1497	crError("Render SPU: (MakeCurrent) failed to make 0x%x, 0x%x current with 0x%x error.", window->device_context, context->hRC, err);
1498	}
1499	}
1500
1501	renderspuAtiQuirk_ChkApply();
1502	}
1503	else {
1504	render_spu.ws.wglMakeCurrent( 0, 0 );
1505	}
1506	}
1507
1508	void renderspu_SystemWindowSize( WindowInfo *window, GLint w, GLint h )
1509	{
1510	int winprop;
1511	CRASSERT(window);
1512	CRASSERT(window->visual);
1513	if ( render_spu.fullscreen )
1514	winprop = SWP_SHOWWINDOW \| SWP_NOSENDCHANGING \|
1515	SWP_NOREDRAW \| SWP_NOACTIVATE;
1516	else
1517	winprop = SWP_NOACTIVATE \| SWP_DEFERERASE \| SWP_NOSENDCHANGING \| SWP_NOZORDER; //SWP_SHOWWINDOW;
1518
1519	/SetWindowRgn(window->hWnd, NULL, false);/
1520
1521	if (!SetWindowPos( window->hWnd, HWND_TOP,
1522	window->x, window->y, w, h, winprop )) {
1523	crWarning("!!!FAILED!!! Render SPU: SetWindowPos (%x, %d, %d, %d, %d)", window->hWnd, window->x, window->y, w, h);
1524	} else {
1525	crDebug("Render SPU: SetWindowSize (%x, %d, %d, %d, %d)", window->hWnd, window->x, window->y, w, h);
1526	}
1527	/* save the new size */
1528	window->BltInfo.width = w;
1529	window->BltInfo.height = h;
1530	}
1531
1532
1533	void renderspu_SystemGetWindowGeometry( WindowInfo window, GLint x, GLint y, GLint w, GLint *h )
1534	{
1535	RECT rect;
1536
1537	CRASSERT(window);
1538	CRASSERT(window->visual);
1539
1540	GetClientRect( window->hWnd, &rect );
1541	*x = rect.left;
1542	*y = rect.top;
1543	*w = rect.right - rect.left;
1544	*h = rect.bottom - rect.top;
1545	}
1546
1547
1548	void renderspu_SystemGetMaxWindowSize( WindowInfo window, GLint w, GLint *h )
1549	{
1550	/* XXX fix this */
1551	(void) window;
1552	*w = 1600;
1553	*h = 1200;
1554	}
1555
1556
1557	void renderspu_SystemWindowPosition( WindowInfo *window, GLint x, GLint y )
1558	{
1559	int winprop;
1560	CRASSERT(window);
1561	CRASSERT(window->visual);
1562	if ( render_spu.fullscreen )
1563	winprop = SWP_SHOWWINDOW \| SWP_NOSENDCHANGING \|
1564	SWP_NOREDRAW \| SWP_NOACTIVATE;
1565	else
1566	winprop = SWP_NOACTIVATE \| SWP_DEFERERASE \| SWP_NOSENDCHANGING \| SWP_NOZORDER; //SWP_SHOWWINDOW;
1567
1568	/SetWindowRgn(window->visual->hWnd, NULL, false);/
1569
1570	if (!SetWindowPos( window->hWnd, HWND_TOP,
1571	x, y, window->BltInfo.width, window->BltInfo.height, winprop )) {
1572	crWarning("!!!FAILED!!! Render SPU: SetWindowPos (%x, %d, %d, %d, %d)", window->hWnd, x, y, window->BltInfo.width, window->BltInfo.height);
1573	} else {
1574	crDebug("Render SPU: SetWindowPos (%x, %d, %d, %d, %d)", window->hWnd,
1575	x, y, window->BltInfo.width, window->BltInfo.height);
1576	}
1577	/* save the new position */
1578	window->x = x;
1579	window->y = y;
1580	}
1581
1582	GLboolean renderspu_SystemWindowNeedEmptyPresent(WindowInfo *window)
1583	{
1584	return GL_FALSE;
1585	}
1586
1587	void renderspu_SystemWindowVisibleRegion(WindowInfo window, GLint cRects, const GLint pRects)
1588	{
1589	GLint i;
1590	HRGN hRgn, hTmpRgn;
1591
1592	CRASSERT(window);
1593	CRASSERT(window->visual);
1594
1595	if (window->hRgn)
1596	{
1597	DeleteObject(window->hRgn);
1598	window->hRgn = NULL;
1599	}
1600
1601	hRgn = CreateRectRgn(0, 0, 0, 0);
1602
1603	for (i=0; i<cRects; i++)
1604	{
1605	hTmpRgn = CreateRectRgn(pRects[4i], pRects[4i+1], pRects[4i+2], pRects[4i+3]);
1606	CombineRgn(hRgn, hRgn, hTmpRgn, RGN_OR);
1607	DeleteObject(hTmpRgn);
1608	}
1609
1610	window->hRgn = hRgn;
1611
1612	if (window->visible)
1613	renderspuWindowRgnApply(window);
1614
1615	crDebug("Render SPU: SetWindowRgn (%x, cRects=%i)", window->hWnd, cRects);
1616	}
1617
1618	static void renderspuHandleWindowMessages( HWND hWnd )
1619	{
1620	MSG msg;
1621	while ( PeekMessage( &msg, hWnd, 0, 0xffffffff, PM_REMOVE ) )
1622	{
1623	TranslateMessage( &msg );
1624	DispatchMessage( &msg );
1625	}
1626
1627	//BringWindowToTop( hWnd );
1628	}
1629
1630	void renderspu_SystemSwapBuffers( WindowInfo *w, GLint flags )
1631	{
1632	int return_value;
1633
1634	/* peek at the windows message queue */
1635	// renderspuHandleWindowMessages( w->hWnd );
1636
1637	/* render_to_app_window:
1638	* w->nativeWindow will only be non-zero if the
1639	* render_spu.render_to_app_window option is true and
1640	* MakeCurrent() recorded the nativeWindow handle in the WindowInfo
1641	* structure.
1642	*/
1643	if (render_spu.render_to_app_window && w->nativeWindow) {
1644	#ifdef VBOX_CR_SERVER_FORCE_WGL
1645	return_value = render_spu.ws.wglSwapBuffers( w->nativeWindow );
1646	#else
1647	return_value = SwapBuffers( w->nativeWindow );
1648	#endif
1649	} else {
1650	/*
1651	HRGN hRgn1, hRgn2, hRgn3;
1652	HWND hWndParent;
1653	LONG ws;
1654
1655	hRgn1 = CreateRectRgn(0, 0, w->BltInfo.width, w->BltInfo.height);
1656	hRgn2 = CreateRectRgn(50, 50, 100, 100);
1657	hRgn3 = CreateRectRgn(0, 0, 0, 0);
1658	CombineRgn(hRgn3, hRgn1, hRgn2, RGN_DIFF);
1659	SetWindowRgn(w->visual->hWnd, hRgn3, true);
1660	DeleteObject(hRgn1);
1661	DeleteObject(hRgn2);
1662
1663	hWndParent = GetParent(w->visual->hWnd);
1664	ws = GetWindowLong(hWndParent, GWL_STYLE);
1665	ws &= ~WS_CLIPCHILDREN;
1666	SetWindowLong(hWndParent, GWL_STYLE, ws);
1667
1668	RECT rcClip;
1669
1670	rcClip.left = 50;
1671	rcClip.top = 50;
1672	rcClip.right = 100;
1673	rcClip.bottom = 100;
1674	ValidateRect(w->visual->hWnd, &rcClip);
1675
1676	return_value = GetClipBox(w->visual->device_context, &rcClip);
1677	crDebug("GetClipBox returned %d (NR=%d,SR=%d,CR=%d,ERR=%d)",
1678	return_value, NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR);
1679
1680	crDebug("rcClip(%d, %d, %d, %d)", rcClip.left, rcClip.top, rcClip.right, rcClip.bottom);
1681
1682	return_value = ExcludeClipRect(w->visual->device_context, 50, 50, 100, 100);
1683	crDebug("ExcludeClipRect returned %d (NR=%d,SR=%d,CR=%d,ERR=%d)",
1684	return_value, NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR);
1685
1686	return_value = GetClipBox(w->visual->device_context, &rcClip);
1687	crDebug("GetClipBox returned %d (NR=%d,SR=%d,CR=%d,ERR=%d)",
1688	return_value, NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR);
1689	crDebug("rcClip(%d, %d, %d, %d)", rcClip.left, rcClip.top, rcClip.right, rcClip.bottom);
1690	*/
1691	#ifdef VBOX_CR_SERVER_FORCE_WGL
1692	return_value = render_spu.ws.wglSwapBuffers( w->device_context );
1693	#else
1694	return_value = SwapBuffers( w->device_context );
1695	#endif
1696	}
1697	if (!return_value)
1698	{
1699	/* GOD DAMN IT. The latest versions of the NVIDIA drivers
1700	* return failure from wglSwapBuffers, but it works just fine.
1701	* WHAT THE HELL?! */
1702
1703	crWarning( "wglSwapBuffers failed: return value of %d!", return_value);
1704	}
1705	}
1706
1707	void renderspu_SystemReparentWindow(WindowInfo *window)
1708	{
1709	SetParent(window->hWnd, (HWND)render_spu_parent_window_id);
1710	}
1711
1712	int renderspu_SystemInit()
1713	{
1714	return VINF_SUCCESS;
1715	}
1716
1717	int renderspu_SystemTerm()
1718	{
1719	return VINF_SUCCESS;
1720	}
1721
1722	void renderspu_SystemDefaultSharedContextChanged(ContextInfo fromContext, ContextInfo toContext)
1723	{
1724
1725	}
1726
1727	uint32_t renderspu_SystemPostprocessFunctions(SPUNamedFunctionTable *aFunctions, uint32_t cFunctions, uint32_t cTable)
1728	{
1729	return cFunctions;
1730	}

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source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_wgl.c@ 56922

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