VBoxDispDriver.cpp@ 52476

Last change on this file since 52476 was 52476, checked in by vboxsync, 10 years ago
VBoxDisp: Parfait warning.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 36.4 KB

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1	/* $Id: VBoxDispDriver.cpp 52476 2014-08-22 14:41:54Z vboxsync $ */
2
3	/** @file
4	* VBox XPDM Display driver interface functions
5	*/
6
7	/*
8	* Copyright (C) 2011-2012 Oracle Corporation
9	*
10	* This file is part of VirtualBox Open Source Edition (OSE), as
11	* available from http://www.virtualbox.org. This file is free software;
12	* you can redistribute it and/or modify it under the terms of the GNU
13	* General Public License (GPL) as published by the Free Software
14	* Foundation, in version 2 as it comes in the "COPYING" file of the
15	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17	*/
18
19	#include "VBoxDisp.h"
20	#include "VBoxDispMini.h"
21	#include "VBoxDispDDraw.h"
22	#include <iprt/initterm.h>
23
24	/* Engine version we're running on, set in DrvEnableDriver */
25	static ULONG g_EngineVersionDDI = DDI_DRIVER_VERSION_NT4;
26
27	/* Callback function supported by our driver, stored in index/address pairs (see winddi.h) */
28	/* NT4 version */
29	static DRVFN g_aDrvFnTableNT4[] =
30	{
31	/* Required functions */
32	{INDEX_DrvGetModes, (PFN) VBoxDispDrvGetModes },
33	{INDEX_DrvEnablePDEV, (PFN) VBoxDispDrvEnablePDEV },
34	{INDEX_DrvCompletePDEV, (PFN) VBoxDispDrvCompletePDEV },
35	{INDEX_DrvDisablePDEV, (PFN) VBoxDispDrvDisablePDEV },
36	{INDEX_DrvEnableSurface, (PFN) VBoxDispDrvEnableSurface },
37	{INDEX_DrvDisableSurface, (PFN) VBoxDispDrvDisableSurface },
38	{INDEX_DrvAssertMode, (PFN) VBoxDispDrvAssertMode },
39	/* Drawing commands */
40	{INDEX_DrvLineTo, (PFN) VBoxDispDrvLineTo },
41	{INDEX_DrvStrokePath, (PFN) VBoxDispDrvStrokePath },
42	{INDEX_DrvFillPath, (PFN) VBoxDispDrvFillPath },
43	{INDEX_DrvPaint, (PFN) VBoxDispDrvPaint },
44	{INDEX_DrvTextOut, (PFN) VBoxDispDrvTextOut },
45	{INDEX_DrvSaveScreenBits, (PFN) VBoxDispDrvSaveScreenBits },
46	/* BitBlt's*/
47	{INDEX_DrvBitBlt, (PFN) VBoxDispDrvBitBlt },
48	{INDEX_DrvStretchBlt, (PFN) VBoxDispDrvStretchBlt, },
49	{INDEX_DrvCopyBits, (PFN) VBoxDispDrvCopyBits },
50	/* Brush related */
51	{INDEX_DrvRealizeBrush, (PFN) VBoxDispDrvRealizeBrush },
52	{INDEX_DrvDitherColor, (PFN) VBoxDispDrvDitherColor },
53	/* Pointer related */
54	{INDEX_DrvSetPointerShape, (PFN) VBoxDispDrvSetPointerShape },
55	{INDEX_DrvMovePointer, (PFN) VBoxDispDrvMovePointer },
56	/* Misc */
57	{INDEX_DrvDisableDriver, (PFN) VBoxDispDrvDisableDriver },
58	{INDEX_DrvSetPalette, (PFN) VBoxDispDrvSetPalette },
59	{INDEX_DrvEscape, (PFN) VBoxDispDrvEscape },
60	#ifdef VBOX_WITH_DDRAW
61	{INDEX_DrvGetDirectDrawInfo, (PFN) VBoxDispDrvGetDirectDrawInfo},
62	{INDEX_DrvEnableDirectDraw, (PFN) VBoxDispDrvEnableDirectDraw },
63	{INDEX_DrvDisableDirectDraw, (PFN) VBoxDispDrvDisableDirectDraw},
64	#endif
65	/* g_aDrvFnTableNT4, NT4 specific */
66	{INDEX_DrvOffset, (PFN) VBoxDispDrvOffset } /Obsolete/
67	};
68
69	/* WIN2K+ version */
70	static DRVFN g_aDrvFnTableNT5[] =
71	{
72	/* Required functions */
73	{INDEX_DrvGetModes, (PFN) VBoxDispDrvGetModes },
74	{INDEX_DrvEnablePDEV, (PFN) VBoxDispDrvEnablePDEV },
75	{INDEX_DrvCompletePDEV, (PFN) VBoxDispDrvCompletePDEV },
76	{INDEX_DrvDisablePDEV, (PFN) VBoxDispDrvDisablePDEV },
77	{INDEX_DrvEnableSurface, (PFN) VBoxDispDrvEnableSurface },
78	{INDEX_DrvDisableSurface, (PFN) VBoxDispDrvDisableSurface },
79	{INDEX_DrvAssertMode, (PFN) VBoxDispDrvAssertMode },
80	/* Drawing commands */
81	{INDEX_DrvLineTo, (PFN) VBoxDispDrvLineTo },
82	{INDEX_DrvStrokePath, (PFN) VBoxDispDrvStrokePath },
83	{INDEX_DrvFillPath, (PFN) VBoxDispDrvFillPath },
84	{INDEX_DrvPaint, (PFN) VBoxDispDrvPaint },
85	{INDEX_DrvTextOut, (PFN) VBoxDispDrvTextOut },
86	{INDEX_DrvSaveScreenBits, (PFN) VBoxDispDrvSaveScreenBits },
87	/* BitBlt's*/
88	{INDEX_DrvBitBlt, (PFN) VBoxDispDrvBitBlt },
89	{INDEX_DrvStretchBlt, (PFN) VBoxDispDrvStretchBlt, },
90	{INDEX_DrvCopyBits, (PFN) VBoxDispDrvCopyBits },
91	/* Brush related */
92	{INDEX_DrvRealizeBrush, (PFN) VBoxDispDrvRealizeBrush },
93	{INDEX_DrvDitherColor, (PFN) VBoxDispDrvDitherColor },
94	/* Pointer related */
95	{INDEX_DrvSetPointerShape, (PFN) VBoxDispDrvSetPointerShape },
96	{INDEX_DrvMovePointer, (PFN) VBoxDispDrvMovePointer },
97	/* Misc */
98	{INDEX_DrvDisableDriver, (PFN) VBoxDispDrvDisableDriver },
99	{INDEX_DrvSetPalette, (PFN) VBoxDispDrvSetPalette },
100	{INDEX_DrvEscape, (PFN) VBoxDispDrvEscape },
101	#ifdef VBOX_WITH_DDRAW
102	{INDEX_DrvGetDirectDrawInfo, (PFN) VBoxDispDrvGetDirectDrawInfo},
103	{INDEX_DrvEnableDirectDraw, (PFN) VBoxDispDrvEnableDirectDraw },
104	{INDEX_DrvDisableDirectDraw, (PFN) VBoxDispDrvDisableDirectDraw},
105	#endif
106	/* g_aDrvFnTableNT5, NT5 specific */
107	{INDEX_DrvNotify, (PFN) VBoxDispDrvNotify },
108	#ifdef VBOX_WITH_DDRAW
109	{INDEX_DrvDeriveSurface, (PFN) VBoxDispDrvDeriveSurface }
110	#endif
111	};
112
113	#ifdef VBOX_WITH_CROGL
114	typedef struct
115	{
116	DWORD dwVersion;
117	DWORD dwDriverVersion;
118	WCHAR szDriverName[256];
119	} OPENGL_INFO, *POPENGL_INFO;
120	#endif
121
122	RT_C_DECLS_BEGIN
123	ULONG __cdecl DbgPrint(PCH pszFormat, ...)
124	{
125	va_list args;
126	va_start(args, pszFormat);
127	RTLogBackdoorPrintfV(pszFormat, args);
128	va_end(args);
129
130	return 0;
131	}
132	RT_C_DECLS_END
133
134	VOID _wcsncpy(WCHAR pwcd, WCHAR pwcs, ULONG dstsize)
135	{
136	ULONG cnt=0;
137
138	while (pwcs!=L"")
139	{
140	if (cnt>=dstsize)
141	{
142	break;
143	}
144
145	pwcd = pwcs;
146
147	pwcs++;
148	pwcd++;
149	cnt ++;
150	}
151
152	if (cnt<dstsize)
153	{
154	memset(pwcd, 0, (dstsize-cnt) * sizeof(WCHAR));
155	}
156	}
157
158	#define VBOXDISPSETCIEC(_ciec, _x, _y, _lum) \
159	do { \
160	_ciec.x = _x; \
161	_ciec.y = _y; \
162	_ciec.Y = _lum; \
163	} while (0)
164
165
166	#define VBOXDISPMAKELOGFONTW(_font, _w, _h, _weight, _clip, _quality, _pitch, _name) \
167	do { \
168	_font.lfHeight = _w; \
169	_font.lfWidth = _h; \
170	_font.lfEscapement = 0; \
171	_font.lfOrientation = 0; \
172	_font.lfWeight = _weight; \
173	_font.lfItalic = 0; \
174	_font.lfUnderline = 0; \
175	_font.lfStrikeOut = 0; \
176	_font.lfCharSet = ANSI_CHARSET; \
177	_font.lfOutPrecision = OUT_DEFAULT_PRECIS; \
178	_font.lfClipPrecision = _clip; \
179	_font.lfQuality = _quality; \
180	_font.lfPitchAndFamily = (_pitch) \| FF_DONTCARE; \
181	memset(_font.lfFaceName, 0, sizeof(_font.lfFaceName)); \
182	memcpy(_font.lfFaceName, _name, sizeof(_name)); \
183	} while (0)
184
185	static int VBoxDispInitDevice(PVBOXDISPDEV pDev, DEVMODEW pdm, GDIINFO pGdiInfo, DEVINFO *pDevInfo)
186	{
187	VIDEO_MODE_INFORMATION *pModesTable = NULL, selectedMode;
188	ULONG cModes, i=0;
189	int rc;
190
191	LOGF_ENTER();
192
193	memset(&selectedMode, 0, sizeof(VIDEO_MODE_INFORMATION));
194
195	/* Get a list of supported modes by both miniport and display driver */
196	rc = VBoxDispMPGetVideoModes(pDev->hDriver, &pModesTable, &cModes);
197	VBOX_WARNRC_RETRC(rc);
198
199	/* Check if requested mode is available in the list */
200	if ((g_EngineVersionDDI < DDI_DRIVER_VERSION_NT5)
201	&& (pdm->dmBitsPerPel==0)
202	&& (pdm->dmPelsWidth==0)
203	&& (pdm->dmPelsHeight==0)
204	&& (pdm->dmDisplayFrequency==0))
205	{
206	/* Special case for NT4, just return default(first) mode */
207	memcpy(&selectedMode, &pModesTable[0], sizeof(VIDEO_MODE_INFORMATION));
208	}
209	else
210	{
211	for (; i<cModes; ++i)
212	{
213	if ((pdm->dmBitsPerPel == (pModesTable[i].BitsPerPlane * pModesTable[i].NumberOfPlanes))
214	&& (pdm->dmPelsWidth == pModesTable[i].VisScreenWidth)
215	&& (pdm->dmPelsHeight == pModesTable[i].VisScreenHeight)
216	&& (pdm->dmDisplayFrequency == pModesTable[i].Frequency))
217	{
218	memcpy(&selectedMode, &pModesTable[i], sizeof(VIDEO_MODE_INFORMATION));
219	break;
220	}
221	}
222	}
223	EngFreeMem(pModesTable);
224
225	if (i>=cModes)
226	{
227	WARN(("can't support requested mode %dx%d@%dbpp(%dHz)!",
228	pdm->dmPelsWidth, pdm->dmPelsHeight, pdm->dmBitsPerPel, pdm->dmDisplayFrequency));
229	return VERR_NOT_SUPPORTED;
230	}
231
232	LOG(("match for requested mode %dx%d@%dbpp(%dHz)",
233	selectedMode.VisScreenWidth, selectedMode.VisScreenHeight, selectedMode.BitsPerPlane, selectedMode.Frequency));
234
235	/* Update private device info with mode information */
236	pDev->mode.ulIndex = selectedMode.ModeIndex;
237	pDev->mode.ulWidth = selectedMode.VisScreenWidth;
238	pDev->mode.ulHeight = selectedMode.VisScreenHeight;
239	pDev->mode.ulBitsPerPel = selectedMode.BitsPerPlane * selectedMode.NumberOfPlanes;
240	pDev->mode.lScanlineStride = selectedMode.ScreenStride;
241	pDev->mode.flMaskR = selectedMode.RedMask;
242	pDev->mode.flMaskG = selectedMode.GreenMask;
243	pDev->mode.flMaskB = selectedMode.BlueMask;
244	pDev->mode.ulPaletteShift = (pDev->mode.ulBitsPerPel==8) ? (8-selectedMode.NumberRedBits) : 0;
245
246	/* Fill GDIINFO structure */
247	memset(pGdiInfo, 0, sizeof(GDIINFO));
248
249	pGdiInfo->ulVersion = (g_EngineVersionDDI<DDI_DRIVER_VERSION_NT5) ? GDI_DRIVER_VERSION:0x5000;
250	pGdiInfo->ulVersion \|= VBOXDISPDRIVERVERSION;
251
252	pGdiInfo->ulTechnology = DT_RASDISPLAY;
253
254	pGdiInfo->ulHorzSize = selectedMode.XMillimeter;
255	pGdiInfo->ulVertSize = selectedMode.YMillimeter;
256
257	pGdiInfo->ulHorzRes = pDev->mode.ulWidth;
258	pGdiInfo->ulVertRes = pDev->mode.ulHeight;
259
260	pGdiInfo->cBitsPixel = pDev->mode.ulBitsPerPel;
261	pGdiInfo->cPlanes = selectedMode.NumberOfPlanes;
262
263	pGdiInfo->ulNumColors = (pDev->mode.ulBitsPerPel==8) ? 20 : ((ULONG)(-1));
264
265	pGdiInfo->ulLogPixelsX = pdm->dmLogPixels;
266	pGdiInfo->ulLogPixelsY = pdm->dmLogPixels;
267	if (pdm->dmLogPixels!=96)
268	{
269	WARN(("requested logical pixel res %d isn't 96", pdm->dmLogPixels));
270	}
271
272	pGdiInfo->flTextCaps = TC_RA_ABLE;
273
274	pGdiInfo->ulDACRed = selectedMode.NumberRedBits;
275	pGdiInfo->ulDACGreen = selectedMode.NumberGreenBits;
276	pGdiInfo->ulDACBlue = selectedMode.NumberBlueBits;
277
278	pGdiInfo->ulAspectX = 0x24;
279	pGdiInfo->ulAspectY = 0x24;
280	/* note: ulAspectXY should be square root of sum of squares of x and y aspects */
281	pGdiInfo->ulAspectXY = 0x33;
282
283	/* search for "styled cosmetic lines" on msdn for more info */
284	pGdiInfo->xStyleStep = 1;
285	pGdiInfo->yStyleStep = 1;
286	pGdiInfo->denStyleStep = 3;
287
288	pGdiInfo->ulNumPalReg = (pDev->mode.ulBitsPerPel==8) ? (1<<pDev->mode.ulBitsPerPel) : 0;
289
290	/* @todo: might want to implement IOCTL_VIDEO_QUERY_COLOR_CAPABILITIES in miniport driver
291	* and query host for this info there
292	*/
293	VBOXDISPSETCIEC(pGdiInfo->ciDevice.Red, 6700, 3300, 0);
294	VBOXDISPSETCIEC(pGdiInfo->ciDevice.Green, 2100, 7100, 0);
295	VBOXDISPSETCIEC(pGdiInfo->ciDevice.Blue, 1400, 800, 0);
296	VBOXDISPSETCIEC(pGdiInfo->ciDevice.AlignmentWhite, 3127, 3290, 0);
297	VBOXDISPSETCIEC(pGdiInfo->ciDevice.Cyan, 0, 0, 0);
298	VBOXDISPSETCIEC(pGdiInfo->ciDevice.Magenta, 0, 0, 0);
299	VBOXDISPSETCIEC(pGdiInfo->ciDevice.Yellow, 0, 0, 0);
300	pGdiInfo->ciDevice.RedGamma = 20000;
301	pGdiInfo->ciDevice.GreenGamma = 20000;
302	pGdiInfo->ciDevice.BlueGamma = 20000;
303
304	pGdiInfo->ulPrimaryOrder = PRIMARY_ORDER_CBA;
305
306	pGdiInfo->ulHTPatternSize = HT_PATSIZE_4x4_M;
307	switch (pDev->mode.ulBitsPerPel)
308	{
309	case 8:
310	{
311	pGdiInfo->ulHTOutputFormat = HT_FORMAT_8BPP;
312	break;
313	}
314	case 16:
315	{
316	pGdiInfo->ulHTOutputFormat = HT_FORMAT_16BPP;
317	break;
318	}
319	case 24:
320	{
321	pGdiInfo->ulHTOutputFormat = HT_FORMAT_24BPP;
322	break;
323	}
324	case 32:
325	{
326	pGdiInfo->ulHTOutputFormat = HT_FORMAT_32BPP;
327	break;
328	}
329	}
330	pGdiInfo->flHTFlags = HT_FLAG_ADDITIVE_PRIMS;
331
332	pGdiInfo->ulVRefresh = selectedMode.Frequency;
333
334	/* 0 means BitBlt's are accelerated by driver */
335	pGdiInfo->ulBltAlignment = 0;
336
337	pGdiInfo->ulPhysicalPixelCharacteristics = PPC_UNDEFINED;
338	pGdiInfo->ulPhysicalPixelGamma = PPG_DEFAULT;
339
340	/* Fill DEVINFO structure */
341	memset(pDevInfo, 0, sizeof(DEVINFO));
342
343	pDevInfo->flGraphicsCaps = GCAPS_OPAQUERECT;
344	#ifdef VBOX_WITH_DDRAW
345	pDevInfo->flGraphicsCaps \|= GCAPS_DIRECTDRAW;
346	#endif
347	VBOXDISPMAKELOGFONTW(pDevInfo->lfDefaultFont,
348	16, 7, FW_BOLD, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, VARIABLE_PITCH, L"System");
349
350	VBOXDISPMAKELOGFONTW(pDevInfo->lfAnsiVarFont,
351	12, 9, FW_NORMAL, CLIP_STROKE_PRECIS, PROOF_QUALITY, VARIABLE_PITCH, L"MS Sans Serif");
352
353	VBOXDISPMAKELOGFONTW(pDevInfo->lfAnsiFixFont,
354	12, 9, FW_NORMAL, CLIP_STROKE_PRECIS, PROOF_QUALITY, FIXED_PITCH, L"Courier");
355	pDevInfo->cFonts = 0;
356	pDevInfo->cxDither = 8;
357	pDevInfo->cyDither = 8;
358	pDevInfo->hpalDefault = 0;
359	pDevInfo->flGraphicsCaps2 = 0;
360
361	switch (pDev->mode.ulBitsPerPel)
362	{
363	case 8:
364	{
365	pDevInfo->flGraphicsCaps \|= GCAPS_PALMANAGED\|GCAPS_COLOR_DITHER;
366	pDevInfo->iDitherFormat = BMF_8BPP;
367	break;
368	}
369	case 16:
370	{
371	pDevInfo->iDitherFormat = BMF_16BPP;
372	break;
373	}
374	case 24:
375	{
376	pDevInfo->iDitherFormat = BMF_24BPP;
377	break;
378	}
379	case 32:
380	{
381	pDevInfo->iDitherFormat = BMF_32BPP;
382	break;
383	}
384	}
385
386	LOGF_LEAVE();
387	return rc;
388	}
389
390	/* Display Driver entry point,
391	* Returns DDI version number and callbacks supported by driver.
392	*/
393	BOOL DrvEnableDriver(ULONG iEngineVersion, ULONG cj, PDRVENABLEDATA pded)
394	{
395	/*@todo: can't link with hal.lib
396	int irc = RTR0Init(0);
397	if (RT_FAILURE(irc))
398	{
399	LOGREL(("failed to init IPRT (rc=%#x)", irc));
400	return FALSE;
401	}
402	*/
403
404	LOGF(("iEngineVersion=%#08X, cj=%d", iEngineVersion, cj));
405
406	g_EngineVersionDDI = iEngineVersion;
407
408	/* Driver can't work if we can't fill atleast first 3 fields in passed PDRVENABLEDATA */
409	if (cj < (2sizeof(ULONG)+sizeof(DRVFN)))
410	{
411	WARN(("cj<%d, terminating\n", sizeof(DRVENABLEDATA)));
412	return FALSE;
413	}
414
415	/* Report driver DDI version and appropriate callbacks table based on engine DDI */
416	if (iEngineVersion>=DDI_DRIVER_VERSION_NT5)
417	{
418	/* WIN2K and above */
419	pded->iDriverVersion = DDI_DRIVER_VERSION_NT5;
420	pded->pdrvfn = g_aDrvFnTableNT5;
421	pded->c = RT_ELEMENTS(g_aDrvFnTableNT5);
422	}
423	else
424	{
425	/* NT4_SP3 and below*/
426	pded->iDriverVersion = DDI_DRIVER_VERSION_NT4;
427	pded->pdrvfn = g_aDrvFnTableNT4;
428	pded->c = RT_ELEMENTS(g_aDrvFnTableNT4);
429	}
430
431	LOGF_LEAVE();
432	return TRUE;
433	}
434
435	/* Free all resources allocated in DrvEnableDriver */
436	VOID APIENTRY VBoxDispDrvDisableDriver()
437	{
438	LOGF_ENTER();
439
440	/* Intentionally left blank */
441
442	LOGF_LEAVE();
443	return;
444	}
445
446	/* Returns video modes supported by our device/driver
447	* Note: If we fail here we'd be asked to enter 800x600@4bpp mode later in VBoxDispDrvEnablePDEV.
448	*/
449	ULONG APIENTRY VBoxDispDrvGetModes(HANDLE hDriver, ULONG cjSize, DEVMODEW *pdm)
450	{
451	int rc;
452	VIDEO_MODE_INFORMATION *pModesTable;
453	ULONG cModes;
454	LOGF_ENTER();
455
456	rc = VBoxDispMPGetVideoModes(hDriver, &pModesTable, &cModes);
457	VBOX_WARNRC_RETV(rc, 0);
458
459	if (!pdm) /* return size of buffer required to store all supported modes */
460	{
461	EngFreeMem(pModesTable);
462	LOGF_LEAVE();
463	return cModes * sizeof(DEVMODEW);
464	}
465
466	ULONG mode, cMaxNodes=cjSize/sizeof(DEVMODEW);
467
468	for (mode=0; mode<cModes && mode<cMaxNodes; ++mode, ++pdm)
469	{
470	memset(pdm, 0, sizeof(DEVMODEW));
471	memcpy(pdm->dmDeviceName, VBOXDISP_DEVICE_NAME, sizeof(VBOXDISP_DEVICE_NAME));
472
473	pdm->dmSpecVersion = DM_SPECVERSION;
474	pdm->dmDriverVersion = DM_SPECVERSION;
475	pdm->dmSize = sizeof(DEVMODEW);
476	pdm->dmDriverExtra = 0;
477
478	pdm->dmBitsPerPel = pModesTable[mode].NumberOfPlanes*pModesTable[mode].BitsPerPlane;
479	pdm->dmPelsWidth = pModesTable[mode].VisScreenWidth;
480	pdm->dmPelsHeight = pModesTable[mode].VisScreenHeight;
481	pdm->dmDisplayFrequency = pModesTable[mode].Frequency;
482	pdm->dmDisplayFlags = 0;
483	pdm->dmFields = DM_BITSPERPEL\|DM_PELSWIDTH\|DM_PELSHEIGHT\|DM_DISPLAYFREQUENCY\|DM_DISPLAYFLAGS;
484	}
485	EngFreeMem(pModesTable);
486
487	LOG(("%d mode(s) reported", mode));
488
489	LOGF_LEAVE();
490	return mode * sizeof(DEVMODEW);
491	}
492
493	/* First function which is called after entry point, provides info about device to GDI.
494	* Returns pointer to our driver private info structure which would be passed by GDI to our other callbacks.
495	*/
496	DHPDEV APIENTRY
497	VBoxDispDrvEnablePDEV(DEVMODEW pdm, LPWSTR pwszLogAddress, ULONG cPat, HSURF phsurfPatterns,
498	ULONG cjCaps, ULONG *pdevcaps,
499	ULONG cjDevInfo, DEVINFO *pdi,
500	HDEV hdev, PWSTR pwszDeviceName, HANDLE hDriver)
501	{
502	PVBOXDISPDEV pDev = NULL;
503	GDIINFO gdiInfo;
504	DEVINFO devInfo;
505	int rc;
506
507	/* Next 3 are only used for printer drivers */
508	NOREF(pwszLogAddress);
509	NOREF(cPat);
510	NOREF(phsurfPatterns);
511	NOREF(pwszDeviceName);
512
513	LOGF_ENTER();
514
515	pDev = (PVBOXDISPDEV) EngAllocMem(FL_ZERO_MEMORY, sizeof(VBOXDISPDEV), MEM_ALLOC_TAG);
516	if (!pDev)
517	{
518	WARN(("EngAllocMem failed!\n"));
519	return NULL;
520	}
521	pDev->hDriver = hDriver;
522
523	ULONG ulRegistryFlags = 0;
524	rc = VBoxDispMPQueryRegistryFlags(hDriver, &ulRegistryFlags);
525	if (RT_SUCCESS(rc))
526	{
527	pDev->bBitmapCacheDisabled = (ulRegistryFlags & VBOXVIDEO_REGISTRY_FLAGS_DISABLE_BITMAP_CACHE) != 0;
528	LOG(("Bitmap cache %s", pDev->bBitmapCacheDisabled? "disabled": "enabled"));
529	}
530
531	/* Initialize device structure and query miniport to fill device and gdi infos */
532	rc = VBoxDispInitDevice(pDev, pdm, &gdiInfo, &devInfo);
533	if (RT_FAILURE(rc))
534	{
535	VBOX_WARNRC(rc);
536	EngFreeMem(pDev);
537	return NULL;
538	}
539
540	/* Initialize mouse pointer caps */
541	rc = VBoxDispInitPointerCaps(pDev, &devInfo);
542	if (RT_FAILURE(rc))
543	{
544	VBOX_WARNRC(rc);
545	}
546
547	/* Initialize palette */
548	rc = VBoxDispInitPalette(pDev, &devInfo);
549	if (RT_FAILURE(rc))
550	{
551	VBOX_WARNRC(rc);
552	EngFreeMem(pDev);
553	return NULL;
554	}
555
556	if(g_EngineVersionDDI >= DDI_DRIVER_VERSION_NT5)
557	{
558	devInfo.flGraphicsCaps2 \|= GCAPS2_RESERVED1;
559	}
560
561	/* Copy gathered info to supplied buffers */
562	memcpy(pdevcaps, &gdiInfo, min(sizeof(GDIINFO), cjCaps));
563	memcpy(pdi, &devInfo, min(sizeof(DEVINFO), cjDevInfo));
564
565	LOGF_LEAVE();
566	return (DHPDEV)pDev;
567	}
568
569	/* Called to provide us GDI handle for our device, which we should use later for GDI calls */
570	VOID APIENTRY VBoxDispDrvCompletePDEV(DHPDEV dhpdev, HDEV hdev)
571	{
572	LOGF_ENTER();
573
574	((PVBOXDISPDEV)dhpdev)->hDevGDI = hdev;
575
576	LOGF_LEAVE();
577	}
578
579	/* Called to free resources allocated for device in VBoxDispDrvEnablePDEV */
580	VOID APIENTRY VBoxDispDrvDisablePDEV(DHPDEV dhpdev)
581	{
582	LOGF_ENTER();
583
584	VBoxDispDestroyPalette((PVBOXDISPDEV) dhpdev);
585
586	EngFreeMem(dhpdev);
587
588	LOGF_LEAVE();
589	}
590
591	/* Called to create and associate surface with device */
592	HSURF APIENTRY VBoxDispDrvEnableSurface(DHPDEV dhpdev)
593	{
594	int rc;
595	PVBOXDISPDEV pDev = (PVBOXDISPDEV)dhpdev;
596
597	LOGF_ENTER();
598
599	/* Switch device to mode requested in VBoxDispDrvEnablePDEV */
600	rc = VBoxDispMPSetCurrentMode(pDev->hDriver, pDev->mode.ulIndex);
601	VBOX_WARNRC_RETV(rc, NULL);
602
603	/* Map fb and vram */
604	rc = VBoxDispMPMapMemory(pDev, &pDev->memInfo);
605	VBOX_WARNRC_RETV(rc, NULL);
606
607	/* Clear mapped memory, to avoid garbage while video mode is switching */
608	/* @todo: VIDEO_MODE_NO_ZERO_MEMORY does nothing in miniport's IOCTL_VIDEO_SET_CURRENT_MODE*/
609	memset(pDev->memInfo.FrameBufferBase, 0, pDev->mode.ulHeight * abs(pDev->mode.lScanlineStride));
610
611	/* Allocate memory for pointer attrs */
612	rc = VBoxDispInitPointerAttrs(pDev);
613	VBOX_WARNRC_RETV(rc, NULL);
614
615	/* Init VBVA */
616	rc = VBoxDispVBVAInit(pDev);
617	VBOX_WARNRC_RETV(rc, NULL);
618
619	/* Enable VBVA */
620	if (pDev->hgsmi.bSupported)
621	{
622	if (pDev->mode.ulBitsPerPel==16 \|\| pDev->mode.ulBitsPerPel==24 \|\| pDev->mode.ulBitsPerPel==32)
623	{
624	VBVABUFFER pVBVA = (VBVABUFFER )((uint8_t *)pDev->memInfo.VideoRamBase+pDev->layout.offVBVABuffer);
625	pDev->hgsmi.bSupported = VBoxVBVAEnable(&pDev->vbvaCtx, &pDev->hgsmi.ctx, pVBVA, -1);
626	LogRel(("VBoxDisp[%d]: VBVA %senabled\n", pDev->iDevice, pDev->hgsmi.bSupported? "":"not "));
627	}
628	}
629
630	/* Inform host */
631	if (pDev->hgsmi.bSupported)
632	{
633	VBoxHGSMIProcessDisplayInfo(&pDev->hgsmi.ctx, pDev->iDevice, pDev->orgDev.x, pDev->orgDev.y,
634	0, abs(pDev->mode.lScanlineStride), pDev->mode.ulWidth, pDev->mode.ulHeight,
635	(uint16_t)pDev->mode.ulBitsPerPel, VBVA_SCREEN_F_ACTIVE);
636	}
637
638	#ifdef VBOX_WITH_VIDEOHWACCEL
639	VBoxDispVHWAEnable(pDev);
640	#endif
641
642	/* Set device palette if needed */
643	if (pDev->mode.ulBitsPerPel == 8)
644	{
645	rc = VBoxDispSetPalette8BPP(pDev);
646	VBOX_WARNRC_RETV(rc, NULL);
647	}
648
649	pDev->orgDisp.x = 0;
650	pDev->orgDisp.y = 0;
651
652	/* Create GDI managed bitmap, which resides in our framebuffer memory */
653	ULONG iFormat;
654	SIZEL size;
655
656	switch (pDev->mode.ulBitsPerPel)
657	{
658	case 8:
659	{
660	iFormat = BMF_8BPP;
661	break;
662	}
663	case 16:
664	{
665	iFormat = BMF_16BPP;
666	break;
667	}
668	case 24:
669	{
670	iFormat = BMF_24BPP;
671	break;
672	}
673	case 32:
674	{
675	iFormat = BMF_32BPP;
676	break;
677	}
678	}
679
680	size.cx = pDev->mode.ulWidth;
681	size.cy = pDev->mode.ulHeight;
682
683	pDev->surface.hBitmap = EngCreateBitmap(size, pDev->mode.lScanlineStride, iFormat,
684	pDev->mode.lScanlineStride>0 ? BMF_TOPDOWN:0,
685	pDev->memInfo.FrameBufferBase);
686	if (!pDev->surface.hBitmap)
687	{
688	WARN(("EngCreateBitmap failed!"));
689	return NULL;
690	}
691	pDev->surface.psoBitmap = EngLockSurface((HSURF)pDev->surface.hBitmap);
692
693	/* Create device-managed surface */
694	pDev->surface.hSurface = EngCreateDeviceSurface((DHSURF)pDev, size, iFormat);
695	if (!pDev->surface.hSurface)
696	{
697	WARN(("EngCreateDeviceSurface failed!"));
698	VBoxDispDrvDisableSurface(dhpdev);
699	return NULL;
700	}
701
702	FLONG flHooks = HOOK_BITBLT\|HOOK_TEXTOUT\|HOOK_FILLPATH\|HOOK_COPYBITS\|HOOK_STROKEPATH\|HOOK_LINETO\|
703	HOOK_PAINT\|HOOK_STRETCHBLT;
704
705	/* Associate created surface with our device */
706	if (!EngAssociateSurface(pDev->surface.hSurface, pDev->hDevGDI, flHooks))
707	{
708	WARN(("EngAssociateSurface failed!"));
709	VBoxDispDrvDisableSurface(dhpdev);
710	return NULL;
711	}
712
713	pDev->surface.ulFormat = iFormat;
714	pDev->flDrawingHooks = flHooks;
715
716	LOG(("Created surface %p for physical device %p", pDev->surface.hSurface, pDev));
717
718	LOGF_LEAVE();
719	return pDev->surface.hSurface;
720	}
721
722	VOID APIENTRY VBoxDispDrvDisableSurface(DHPDEV dhpdev)
723	{
724	PVBOXDISPDEV pDev = (PVBOXDISPDEV)dhpdev;
725	LOGF_ENTER();
726
727	if (pDev->surface.hSurface)
728	{
729	EngDeleteSurface(pDev->surface.hSurface);
730	pDev->surface.hSurface = NULL;
731	}
732
733	if (pDev->surface.psoBitmap)
734	{
735	Assert(pDev->surface.hBitmap);
736	EngUnlockSurface(pDev->surface.psoBitmap);
737	pDev->surface.psoBitmap = NULL;
738	}
739
740	if (pDev->surface.hBitmap)
741	{
742	EngDeleteSurface((HSURF) pDev->surface.hBitmap);
743	pDev->surface.hBitmap = NULL;
744	}
745
746	int rc;
747	rc = VBoxDispMPUnmapMemory(pDev);
748	VBOX_WARNRC(rc);
749
750	LOGF_LEAVE();
751	}
752
753	BOOL APIENTRY
754	VBoxDispDrvRealizeBrush(BRUSHOBJ pbo, SURFOBJ psoTarget, SURFOBJ psoPattern, SURFOBJ psoMask,
755	XLATEOBJ *pxlo, ULONG iHatch)
756	{
757	BOOL bRc = FALSE;
758	LOGF_ENTER();
759
760	if (VBoxDispIsScreenSurface(psoTarget))
761	{
762	PVBOXDISPDEV pDev = (PVBOXDISPDEV)psoTarget->dhpdev;
763
764	if (pDev->vbvaCtx.pVBVA && (pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents & VBVA_F_MODE_ENABLED))
765	{
766	if (pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents & VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET)
767	{
768	vrdpReset(pDev);
769	pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents &= ~VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
770	}
771
772	if (pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents & VBVA_F_MODE_VRDP)
773	{
774	bRc = vrdpDrvRealizeBrush(pbo, psoTarget, psoPattern, psoMask, pxlo, iHatch);
775	}
776	}
777	}
778
779	LOGF_LEAVE();
780	return bRc;
781	}
782
783	ULONG APIENTRY VBoxDispDrvDitherColor(DHPDEV dhpdev, ULONG iMode, ULONG rgb, ULONG *pul)
784	{
785	ULONG rc;
786	LOGF_ENTER();
787
788	/* There is no EngDitherColor on NT4, so take the easy path and tell the graphics
789	* engine to create a halftone approximation.
790	*/
791	rc = DCR_HALFTONE;
792
793	LOGF_LEAVE();
794	return rc;
795	}
796
797	/* Called to reset device to default mode or to mode specified with dhpdev */
798	BOOL APIENTRY VBoxDispDrvAssertMode(DHPDEV dhpdev, BOOL bEnable)
799	{
800	PVBOXDISPDEV pDev = (PVBOXDISPDEV) dhpdev;
801	int rc;
802	LOGF_ENTER();
803
804	if (!bEnable)
805	{
806	LOGF(("!bEnable"));
807	#ifdef VBOX_WITH_VIDEOHWACCEL
808	/* tells we can not process host commands any more and ensures that
809	* we've completed processing of the host VHWA commands
810	*/
811	VBoxDispVHWADisable(pDev);
812	#endif
813
814	/* disable VBVA */
815	if (pDev->hgsmi.bSupported)
816	{
817	VBoxVBVADisable(&pDev->vbvaCtx, &pDev->hgsmi.ctx, -1);
818	}
819
820	/* reset the device to default mode */
821	rc = VBoxDispMPResetDevice(pDev->hDriver);
822	VBOX_WARNRC_RETV(rc, FALSE);
823	}
824	else
825	{
826	LOGF(("bEnable"));
827
828	/* switch device to previous pDev mode */
829	rc = VBoxDispMPSetCurrentMode(pDev->hDriver, pDev->mode.ulIndex);
830	VBOX_WARNRC_RETV(rc, NULL);
831
832	/* enable VBVA */
833	if (pDev->hgsmi.bSupported)
834	{
835	if (pDev->mode.ulBitsPerPel==16 \|\| pDev->mode.ulBitsPerPel==24 \|\| pDev->mode.ulBitsPerPel==32)
836	{
837	VBVABUFFER pVBVA = (VBVABUFFER )((uint8_t *)pDev->memInfo.VideoRamBase+pDev->layout.offVBVABuffer);
838	pDev->hgsmi.bSupported = VBoxVBVAEnable(&pDev->vbvaCtx, &pDev->hgsmi.ctx, pVBVA, -1);
839	LogRel(("VBoxDisp[%d]: VBVA %senabled\n", pDev->iDevice, pDev->hgsmi.bSupported? "":"not "));
840	}
841	}
842
843	/* inform host */
844	if (pDev->hgsmi.bSupported)
845	{
846	VBoxHGSMIProcessDisplayInfo(&pDev->hgsmi.ctx, pDev->iDevice, pDev->orgDev.x, pDev->orgDev.y,
847	0, abs(pDev->mode.lScanlineStride), pDev->mode.ulWidth, pDev->mode.ulHeight,
848	(uint16_t)pDev->mode.ulBitsPerPel, VBVA_SCREEN_F_ACTIVE);
849	}
850
851	#ifdef VBOX_WITH_VIDEOHWACCEL
852	/* tells we can process host commands */
853	VBoxDispVHWAEnable(pDev);
854	#endif
855
856	/* Associate back GDI bitmap residing in our framebuffer memory with GDI's handle to our device */
857	if (!EngAssociateSurface((HSURF)pDev->surface.hBitmap, pDev->hDevGDI, 0))
858	{
859	WARN(("EngAssociateSurface on bitmap failed"));
860	return FALSE;
861	}
862
863	/* Associate device managed surface with GDI's handle to our device */
864	if (!EngAssociateSurface(pDev->surface.hSurface, pDev->hDevGDI, pDev->flDrawingHooks))
865	{
866	WARN(("EngAssociateSurface on surface failed"));
867	return FALSE;
868	}
869	}
870
871	LOGF_LEAVE();
872	return TRUE;
873	}
874
875	ULONG APIENTRY VBoxDispDrvEscape(SURFOBJ *pso, ULONG iEsc, ULONG cjIn, PVOID pvIn, ULONG cjOut, PVOID pvOut)
876	{
877	PVBOXDISPDEV pDev = (PVBOXDISPDEV)pso->dhpdev;
878	LOGF_ENTER();
879
880	switch (iEsc)
881	{
882	#ifdef VBOX_WITH_CROGL
883	case OPENGL_GETINFO:
884	{
885	if (pvOut && cjOut >= sizeof(OPENGL_INFO))
886	{
887	POPENGL_INFO pInfo = (POPENGL_INFO)pvOut;
888
889	pInfo->dwVersion = 2;
890	pInfo->dwDriverVersion = 1;
891	pInfo->szDriverName[0] = 'V';
892	pInfo->szDriverName[1] = 'B';
893	pInfo->szDriverName[2] = 'o';
894	pInfo->szDriverName[3] = 'x';
895	pInfo->szDriverName[4] = 'O';
896	pInfo->szDriverName[5] = 'G';
897	pInfo->szDriverName[6] = 'L';
898	pInfo->szDriverName[7] = 0;
899
900	LOG(("OPENGL_GETINFO ok"));
901	return cjOut;
902	}
903	else
904	{
905	WARN(("OPENGL_GETINFO invalid parms"));
906	return 0;
907	}
908	}
909	case QUERYESCSUPPORT:
910	{
911	if (pvIn && cjIn == sizeof(DWORD))
912	{
913	DWORD nEscapeQuery = (DWORD )pvIn;
914
915	if (nEscapeQuery==OPENGL_GETINFO)
916	{
917	LOG(("QUERYESCSUPPORT OPENGL_GETINFO"));
918	return 1;
919	}
920	else
921	{
922	LOG(("QUERYESCSUPPORT unsupported query %d", nEscapeQuery));
923	return 0;
924	}
925	}
926	else
927	{
928	WARN(("QUERYESCSUPPORT invalid parms"));
929	return 0;
930	}
931	}
932	#endif
933	case VBOXESC_ISVRDPACTIVE:
934	{
935	if (pDev && pDev->vbvaCtx.pVBVA && pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents&VBVA_F_MODE_VRDP)
936	{
937	LOGF(("VBOXESC_ISVRDPACTIVE: 1"));
938	return 1;
939	}
940	LOGF(("VBOXESC_ISVRDPACTIVE: 0"));
941	return 0;
942	}
943	case VBOXESC_SETVISIBLEREGION:
944	{
945	LOGF(("VBOXESC_SETVISIBLEREGION"));
946	LPRGNDATA lpRgnData = (LPRGNDATA)pvIn;
947	DWORD cRects;
948
949	if ( cjIn >= sizeof(RGNDATAHEADER)
950	&& pvIn
951	&& lpRgnData->rdh.dwSize == sizeof(RGNDATAHEADER)
952	&& lpRgnData->rdh.iType == RDH_RECTANGLES
953	&& (cRects = lpRgnData->rdh.nCount) <= _1M
954	&& cjIn == cRects * (uint64_t)sizeof(RECT) + sizeof(RGNDATAHEADER))
955	{
956	/** @todo this whole conversion thing could maybe be skipped
957	* since RTRECT matches the RECT layout. */
958	#if 0
959	AssertCompile(sizeof(RTRECT) == sizeof(RECT));
960	AssertCompileMembersSameSizeAndOffset(RTRECT, xLeft, RECT, left);
961	AssertCompileMembersSameSizeAndOffset(RTRECT, xBottom, RECT, bottom);
962	AssertCompileMembersSameSizeAndOffset(RTRECT, xRight, RECT, right);
963	AssertCompileMembersSameSizeAndOffset(RTRECT, xTop, RECT, top);
964
965	rc = VBoxDispMPSetVisibleRegion(pDev->hDriver, (PRTRECT)&lpRgnData->Buffer[0], cRects);
966	VBOX_WARNRC(rc);
967	#else
968	DWORD i;
969	PRTRECT pRTRect;
970	int rc;
971	RECT pRect = (RECT )&lpRgnData->Buffer;
972
973	pRTRect = (PRTRECT) EngAllocMem(0, cRects*sizeof(RTRECT), MEM_ALLOC_TAG);
974	if (!pRTRect)
975	{
976	WARN(("failed to allocate %d bytes", cRects*sizeof(RTRECT)));
977	break;
978	}
979
980	for (i = 0; i < cRects; ++i)
981	{
982	LOG(("New visible rectangle (%d,%d) (%d,%d)",
983	pRect[i].left, pRect[i].bottom, pRect[i].right, pRect[i].top));
984	pRTRect[i].xLeft = pRect[i].left;
985	pRTRect[i].yBottom = pRect[i].bottom;
986	pRTRect[i].xRight = pRect[i].right;
987	pRTRect[i].yTop = pRect[i].top;
988	}
989
990	rc = VBoxDispMPSetVisibleRegion(pDev->hDriver, pRTRect, cRects);
991	VBOX_WARNRC(rc);
992
993	EngFreeMem(pRTRect);
994
995	#endif
996	if (RT_SUCCESS(rc))
997	{
998	LOGF_LEAVE();
999	return 1;
1000	}
1001	}
1002	else
1003	{
1004	if (pvIn)
1005	{
1006	WARN(("check failed rdh.dwSize=%x iType=%d size=%d expected size=%d",
1007	lpRgnData->rdh.dwSize, lpRgnData->rdh.iType, cjIn,
1008	lpRgnData->rdh.nCount * sizeof(RECT) + sizeof(RGNDATAHEADER)));
1009	}
1010	}
1011	break;
1012	}
1013	case VBOXESC_ISANYX:
1014	{
1015	if (pvOut && cjOut == sizeof(DWORD))
1016	{
1017	DWORD cbReturned;
1018	DWORD dwrc = EngDeviceIoControl(pDev->hDriver, IOCTL_VIDEO_VBOX_ISANYX, NULL, 0,
1019	pvOut, sizeof (uint32_t), &cbReturned);
1020	if (dwrc == NO_ERROR && cbReturned == sizeof (uint32_t))
1021	return 1;
1022	WARN(("EngDeviceIoControl failed, dwrc(%d), cbReturned(%d)", dwrc, cbReturned));
1023	return 0;
1024	}
1025	else
1026	{
1027	WARN(("VBOXESC_ISANYX invalid parms"));
1028	return 0;
1029	}
1030	break;
1031	}
1032	default:
1033	{
1034	LOG(("unsupported iEsc %#x", iEsc));
1035	}
1036	}
1037
1038	LOGF_LEAVE();
1039	return 0;
1040	}
1041
1042	#define FB_OFFSET(_dev, _x, _y) ((_y)pDev->mode.lScanlineStride) + ((_x)((pDev->mode.ulBitsPerPel+1)/8))
1043	/* Obsolete, NT4 specific. Called to set display offset in virtual desktop */
1044	BOOL APIENTRY VBoxDispDrvOffset(SURFOBJ* pso, LONG x, LONG y, FLONG flReserved)
1045	{
1046	PVBOXDISPDEV pDev = (PVBOXDISPDEV)pso->dhpdev;
1047	LOGF(("%x %x %x\n", x, y, flReserved));
1048
1049	pDev->memInfo.FrameBufferBase = ((BYTE*)pDev->memInfo.VideoRamBase) + pDev->layout.offFramebuffer
1050	- FB_OFFSET(pDev, x, y);
1051
1052	pDev->orgDisp.x = x;
1053	pDev->orgDisp.y = y;
1054
1055	LOGF_LEAVE();
1056	return TRUE;
1057	}
1058
1059	/* Called to notify driver about various events */
1060	VOID APIENTRY VBoxDispDrvNotify(SURFOBJ *pso, ULONG iType, PVOID pvData)
1061	{
1062	PVBOXDISPDEV pDev = (PVBOXDISPDEV)pso->dhpdev;
1063	LOGF_ENTER();
1064
1065	switch (iType)
1066	{
1067	case DN_DEVICE_ORIGIN:
1068	{
1069	/device origin in dualview/
1070	POINTL pOrg = (POINTL )pvData;
1071	if (pOrg)
1072	{
1073	LOG(("DN_DEVICE_ORIGIN (pso=%p, pDev[%d]=%p) old=%d,%d new=%d,%d",
1074	pso, pDev->iDevice, pDev, pDev->orgDev.x, pDev->orgDev.y, pOrg->x, pOrg->y));
1075	if (pDev->orgDev.x!=pOrg->x \|\| pDev->orgDev.y!=pOrg->y)
1076	{
1077	pDev->orgDev = *pOrg;
1078
1079	/* Inform host about display change */
1080	VBoxHGSMIProcessDisplayInfo(&pDev->hgsmi.ctx, pDev->iDevice, pDev->orgDev.x, pDev->orgDev.y,
1081	0, abs(pDev->mode.lScanlineStride),
1082	pDev->mode.ulWidth, pDev->mode.ulHeight,
1083	(uint16_t)pDev->mode.ulBitsPerPel, VBVA_SCREEN_F_ACTIVE);
1084	}
1085	}
1086	else
1087	{
1088	WARN(("DN_DEVICE_ORIGIN pvData==NULL"));
1089	}
1090
1091	break;
1092	}
1093	case DN_DRAWING_BEGIN:
1094	{
1095	/first drawing op is about to happen for this device/
1096	LOG(("DN_DRAWING_BEGIN (pso=%p, pDev[%d]=%p)", pso, pDev->iDevice, pDev));
1097	break;
1098	}
1099	default:
1100	{
1101	LOG(("unknown iType=%#x", iType));
1102	}
1103	}
1104
1105	LOGF_LEAVE();
1106	return;
1107	}

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source: vbox/trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/xpdm/VBoxDispDriver.cpp@ 52476

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