VirtualBox

source: vbox/trunk/src/VBox/Main/include/DisplayImpl.h@ 52117

最後變更 在這個檔案從52117是 52117,由 vboxsync 提交於 11 年 前

DisplayImpl: IDisplay::InvalidateAndUpdateScreen
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1/* $Id: DisplayImpl.h 52117 2014-07-21 20:12:17Z vboxsync $ */
2/** @file
3 * VirtualBox COM class implementation
4 */
5
6/*
7 * Copyright (C) 2006-2014 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.alldomusa.eu.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifndef ____H_DISPLAYIMPL
19#define ____H_DISPLAYIMPL
20
21#include "SchemaDefs.h"
22
23#include <iprt/semaphore.h>
24#include <VBox/vmm/pdmdrv.h>
25#include <VBox/VMMDev.h>
26#include <VBox/VBoxVideo.h>
27#include <VBox/vmm/pdmifs.h>
28#include "DisplayWrap.h"
29
30#ifdef VBOX_WITH_CROGL
31# include <VBox/HostServices/VBoxCrOpenGLSvc.h>
32#endif
33
34#include "DisplaySourceBitmapWrap.h"
35
36class Console;
37struct VIDEORECCONTEXT;
38
39typedef struct _DISPLAYFBINFO
40{
41 uint32_t u32Offset;
42 uint32_t u32MaxFramebufferSize;
43 uint32_t u32InformationSize;
44
45 ComPtr<IFramebuffer> pFramebuffer;
46 ComPtr<IDisplaySourceBitmap> pSourceBitmap;
47 bool fDisabled;
48
49 FramebufferUpdateMode_T enmFramebufferUpdateMode;
50
51 struct
52 {
53 ComPtr<IDisplaySourceBitmap> pSourceBitmap;
54 uint8_t *pu8Address;
55 uint32_t cbLine;
56 } updateImage;
57
58 LONG xOrigin;
59 LONG yOrigin;
60
61 ULONG w;
62 ULONG h;
63
64 uint16_t u16BitsPerPixel;
65 uint8_t *pu8FramebufferVRAM;
66 uint32_t u32LineSize;
67
68 uint16_t flags;
69
70 VBOXVIDEOINFOHOSTEVENTS *pHostEvents;
71
72 /** The framebuffer has default format and must be updates immediately. */
73 bool fDefaultFormat;
74
75 struct
76 {
77 /* The rectangle that includes all dirty rectangles. */
78 int32_t xLeft;
79 int32_t xRight;
80 int32_t yTop;
81 int32_t yBottom;
82 } dirtyRect;
83
84#ifdef VBOX_WITH_HGSMI
85 bool fVBVAEnabled;
86 bool fVBVAForceResize;
87 bool fRenderThreadMode;
88 PVBVAHOSTFLAGS pVBVAHostFlags;
89#endif /* VBOX_WITH_HGSMI */
90
91#ifdef VBOX_WITH_CROGL
92 struct
93 {
94 bool fPending;
95 ULONG x;
96 ULONG y;
97 ULONG width;
98 ULONG height;
99 } pendingViewportInfo;
100#endif /* VBOX_WITH_CROGL */
101} DISPLAYFBINFO;
102
103class DisplayMouseInterface
104{
105public:
106 virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
107 ULONG *pcy, ULONG *pcBPP, LONG *pXOrigin, LONG *pYOrigin) = 0;
108 virtual void i_getFramebufferDimensions(int32_t *px1, int32_t *py1,
109 int32_t *px2, int32_t *py2) = 0;
110};
111
112class VMMDev;
113
114class ATL_NO_VTABLE Display :
115 public DisplayWrap,
116 public DisplayMouseInterface
117{
118public:
119
120 DECLARE_EMPTY_CTOR_DTOR(Display)
121
122 HRESULT FinalConstruct();
123 void FinalRelease();
124
125 // public initializer/uninitializer for internal purposes only
126 HRESULT init(Console *aParent);
127 void uninit();
128 int i_registerSSM(PUVM pUVM);
129
130 // public methods only for internal purposes
131 int i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM, uint32_t cbLine,
132 uint32_t w, uint32_t h, uint16_t flags);
133 void i_handleDisplayUpdateLegacy(int x, int y, int cx, int cy);
134 void i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h);
135#ifdef VBOX_WITH_VIDEOHWACCEL
136 int i_handleVHWACommandProcess(PVBOXVHWACMD pCommand);
137#endif
138#ifdef VBOX_WITH_CRHGSMI
139 void i_handleCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam);
140 void i_handleCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam);
141 void i_handleCrHgsmiCommandProcess(PVBOXVDMACMD_CHROMIUM_CMD pCmd, uint32_t cbCmd);
142 void i_handleCrHgsmiControlProcess(PVBOXVDMACMD_CHROMIUM_CTL pCtl, uint32_t cbCtl);
143#endif
144#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
145 int i_handleCrHgcmCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
146 PFNCRCTLCOMPLETION pfnCompletion,
147 void *pvCompletion);
148 void i_handleCrVRecScreenshotPerform(uint32_t uScreen,
149 uint32_t x, uint32_t y, uint32_t uPixelFormat, uint32_t uBitsPerPixel,
150 uint32_t uBytesPerLine, uint32_t uGuestWidth, uint32_t uGuestHeight,
151 uint8_t *pu8BufferAddress, uint64_t u64TimeStamp);
152 bool i_handleCrVRecScreenshotBegin(uint32_t uScreen, uint64_t u64TimeStamp);
153 void i_handleCrVRecScreenshotEnd(uint32_t uScreen, uint64_t u64TimeStamp);
154 void i_handleVRecCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext);
155#endif
156
157 int i_notifyCroglResize(const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM);
158
159 int i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect);
160 int i_handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect);
161
162 int i_VideoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory);
163 void i_VideoAccelFlush(void);
164 bool i_VideoAccelAllowed(void);
165 void i_VideoAccelVRDP(bool fEnable);
166
167 int i_VideoCaptureStart();
168 void i_VideoCaptureStop();
169 int i_VideoCaptureEnableScreens(ComSafeArrayIn(BOOL, aScreens));
170
171 void i_notifyPowerDown(void);
172
173 // DisplayMouseInterface methods
174 virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
175 ULONG *pcy, ULONG *pcBPP, LONG *pXOrigin, LONG *pYOrigin)
176 {
177 return getScreenResolution(cScreen, pcx, pcy, pcBPP, pXOrigin, pYOrigin);
178 }
179 virtual void i_getFramebufferDimensions(int32_t *px1, int32_t *py1,
180 int32_t *px2, int32_t *py2);
181
182 static const PDMDRVREG DrvReg;
183
184private:
185 // Wrapped IDisplay properties
186
187 // Wrapped IDisplay methods
188 virtual HRESULT getScreenResolution(ULONG aScreenId,
189 ULONG *aWidth,
190 ULONG *aHeight,
191 ULONG *aBitsPerPixel,
192 LONG *aXOrigin,
193 LONG *aYOrigin);
194 virtual HRESULT attachFramebuffer(ULONG aScreenId,
195 const ComPtr<IFramebuffer> &aFramebuffer);
196 virtual HRESULT detachFramebuffer(ULONG aScreenId);
197 virtual HRESULT queryFramebuffer(ULONG aScreenId,
198 ComPtr<IFramebuffer> &aFramebuffer);
199 virtual HRESULT setVideoModeHint(ULONG aDisplay,
200 BOOL aEnabled,
201 BOOL aChangeOrigin,
202 LONG aOriginX,
203 LONG aOriginY,
204 ULONG aWidth,
205 ULONG aHeight,
206 ULONG aBitsPerPixel);
207 virtual HRESULT setSeamlessMode(BOOL aEnabled);
208 virtual HRESULT takeScreenShot(ULONG aScreenId,
209 BYTE *aAddress,
210 ULONG aWidth,
211 ULONG aHeight);
212 virtual HRESULT takeScreenShotToArray(ULONG aScreenId,
213 ULONG aWidth,
214 ULONG aHeight,
215 std::vector<BYTE> &aScreenData);
216 virtual HRESULT takeScreenShotPNGToArray(ULONG aScreenId,
217 ULONG aWidth,
218 ULONG aHeight,
219 std::vector<BYTE> &aScreenData);
220 virtual HRESULT drawToScreen(ULONG aScreenId,
221 BYTE *aAddress,
222 ULONG aX,
223 ULONG aY,
224 ULONG aWidth,
225 ULONG aHeight);
226 virtual HRESULT invalidateAndUpdate();
227 virtual HRESULT invalidateAndUpdateScreen(ULONG aScreenId);
228 virtual HRESULT completeVHWACommand(BYTE *aCommand);
229 virtual HRESULT viewportChanged(ULONG aScreenId,
230 ULONG aX,
231 ULONG aY,
232 ULONG aWidth,
233 ULONG aHeight);
234 virtual HRESULT querySourceBitmap(ULONG aScreenId,
235 ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap);
236 virtual HRESULT setFramebufferUpdateMode(ULONG aScreenId,
237 FramebufferUpdateMode_T aFramebufferUpdateMode);
238
239 // Wrapped IEventListener properties
240
241 // Wrapped IEventListener methods
242 virtual HRESULT handleEvent(const ComPtr<IEvent> &aEvent);
243
244 // other internal methods
245#ifdef VBOX_WITH_CRHGSMI
246 void i_setupCrHgsmiData(void);
247 void i_destructCrHgsmiData(void);
248#endif
249
250#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
251 int i_crViewportNotify(ULONG aScreenId, ULONG x, ULONG y, ULONG width, ULONG height);
252#endif
253
254 static DECLCALLBACK(void*) i_drvQueryInterface(PPDMIBASE pInterface, const char *pszIID);
255 static DECLCALLBACK(int) i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
256 static DECLCALLBACK(void) i_drvDestruct(PPDMDRVINS pDrvIns);
257 static DECLCALLBACK(int) i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM,
258 uint32_t cbLine, uint32_t cx, uint32_t cy);
259 static DECLCALLBACK(void) i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
260 uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
261 static DECLCALLBACK(void) i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
262 static DECLCALLBACK(void) i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
263 static DECLCALLBACK(void) i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
264 static DECLCALLBACK(void) i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
265 void *pvVRAM, uint32_t u32VRAMSize);
266 static DECLCALLBACK(void) i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
267 void *pvVRAM, unsigned uScreenId);
268
269#ifdef VBOX_WITH_VIDEOHWACCEL
270 static DECLCALLBACK(int) i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand);
271#endif
272
273#ifdef VBOX_WITH_CRHGSMI
274 static DECLCALLBACK(void) i_displayCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface,
275 PVBOXVDMACMD_CHROMIUM_CMD pCmd, uint32_t cbCmd);
276 static DECLCALLBACK(void) i_displayCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCtl,
277 uint32_t cbCtl);
278
279 static DECLCALLBACK(void) i_displayCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
280 void *pvContext);
281 static DECLCALLBACK(void) i_displayCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
282 void *pvContext);
283#endif
284#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
285 static DECLCALLBACK(int) i_displayCrHgcmCtlSubmit(PPDMIDISPLAYCONNECTOR pInterface,
286 struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
287 PFNCRCTLCOMPLETION pfnCompletion,
288 void *pvCompletion);
289 static DECLCALLBACK(void) i_displayCrHgcmCtlSubmitCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
290 void *pvContext);
291#endif
292#ifdef VBOX_WITH_HGSMI
293 static DECLCALLBACK(int) i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
294 PVBVAHOSTFLAGS pHostFlags, bool fRenderThreadMode);
295 static DECLCALLBACK(void) i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
296 static DECLCALLBACK(void) i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
297 static DECLCALLBACK(void) i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
298 const PVBVACMDHDR pCmd, size_t cbCmd);
299 static DECLCALLBACK(void) i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
300 uint32_t cx, uint32_t cy);
301 static DECLCALLBACK(int) i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView,
302 const PVBVAINFOSCREEN pScreen, void *pvVRAM);
303 static DECLCALLBACK(int) i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
304 uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy,
305 const void *pvShape);
306#endif
307
308#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
309 static DECLCALLBACK(void) i_displayCrVRecScreenshotPerform(void *pvCtx, uint32_t uScreen,
310 uint32_t x, uint32_t y,
311 uint32_t uBitsPerPixel, uint32_t uBytesPerLine,
312 uint32_t uGuestWidth, uint32_t uGuestHeight,
313 uint8_t *pu8BufferAddress, uint64_t u64TimeStamp);
314 static DECLCALLBACK(bool) i_displayCrVRecScreenshotBegin(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp);
315 static DECLCALLBACK(void) i_displayCrVRecScreenshotEnd(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp);
316
317 static DECLCALLBACK(void) i_displayVRecCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
318 void *pvContext);
319#endif
320 static DECLCALLBACK(void) i_displayCrCmdFree(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, int rc, void *pvCompletion);
321
322 static DECLCALLBACK(void) i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser);
323 static DECLCALLBACK(int) i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
324 static DECLCALLBACK(void) i_displaySSMSave(PSSMHANDLE pSSM, void *pvUser);
325 static DECLCALLBACK(int) i_displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
326
327 Console * const mParent;
328 /** Pointer to the associated display driver. */
329 struct DRVMAINDISPLAY *mpDrv;
330 /** Pointer to the device instance for the VMM Device. */
331 PPDMDEVINS mpVMMDev;
332 /** Set after the first attempt to find the VMM Device. */
333 bool mfVMMDevInited;
334
335 unsigned mcMonitors;
336 DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
337
338 bool mfSourceBitmapEnabled;
339 bool volatile fVGAResizing;
340
341 VBVAMEMORY *mpVbvaMemory;
342 bool mfVideoAccelEnabled;
343 bool mfVideoAccelVRDP;
344 uint32_t mfu32SupportedOrders;
345
346 int32_t volatile mcVideoAccelVRDPRefs;
347
348 VBVAMEMORY *mpPendingVbvaMemory;
349 bool mfPendingVideoAccelEnable;
350 bool mfMachineRunning;
351#ifdef VBOX_WITH_CROGL
352 bool mfCrOglDataHidden;
353#endif
354
355 uint8_t *mpu8VbvaPartial;
356 uint32_t mcbVbvaPartial;
357
358#ifdef VBOX_WITH_CRHGSMI
359 /* for fast host hgcm calls */
360 HGCMCVSHANDLE mhCrOglSvc;
361 RTCRITSECTRW mCrOglLock;
362#endif
363#ifdef VBOX_WITH_CROGL
364 CR_MAIN_INTERFACE mCrOglCallbacks;
365 volatile uint32_t mfCrOglVideoRecState;
366 CRVBOXHGCMTAKESCREENSHOT mCrOglScreenshotData;
367 VBOXCRCMDCTL_HGCM mCrOglScreenshotCtl;
368#endif
369
370 bool i_vbvaFetchCmd(VBVACMDHDR **ppHdr, uint32_t *pcbCmd);
371 void i_vbvaReleaseCmd(VBVACMDHDR *pHdr, int32_t cbCmd);
372
373 void i_handleResizeCompletedEMT(unsigned uScreenId, BOOL fResizeContext);
374
375 /* Old guest additions (3.x?) use VMMDev for VBVA and the host VBVA code (VideoAccel*)
376 * can be executed concurrently by VGA refresh timer and the guest VMMDev request
377 * in SMP VMs. The lock serialized this.
378 */
379 RTCRITSECT mVBVALock;
380 volatile uint32_t mfu32PendingVideoAccelDisable;
381
382 int i_vbvaLock(void);
383 void i_vbvaUnlock(void);
384
385public:
386
387 bool i_vbvaLockIsOwner(void);
388
389 static int i_displayTakeScreenshotEMT(Display *pDisplay, ULONG aScreenId, uint8_t **ppu8Data, size_t *pcbData,
390 uint32_t *pu32Width, uint32_t *pu32Height);
391
392#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
393 static BOOL i_displayCheckTakeScreenshotCrOgl(Display *pDisplay, ULONG aScreenId, uint8_t *pu8Data,
394 uint32_t u32Width, uint32_t u32Height);
395 int i_crCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, PFNCRCTLCOMPLETION pfnCompletion, void *pvCompletion);
396 int i_crCtlSubmitSync(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
397 /* copies the given command and submits it asynchronously,
398 * i.e. the pCmd data may be discarded right after the call returns */
399 int i_crCtlSubmitAsyncCmdCopy(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
400 /* performs synchronous request processing if 3D backend has something to display
401 * this is primarily to work-around 3d<->main thread deadlocks on OSX
402 * in case of async completion, the command is coppied to the allocated buffer,
403 * freeded on command completion
404 * can be used for "notification" commands, when client is not interested in command result,
405 * that must synchronize with 3D backend only when some 3D data is displayed.
406 * The routine does NOT provide any info on whether command is processed asynchronously or not */
407 int i_crCtlSubmitSyncIfHasDataForScreen(uint32_t u32ScreenID, struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
408#endif
409
410private:
411 static void i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll);
412 static int i_drawToScreenEMT(Display *pDisplay, ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height);
413
414 int i_videoAccelRefreshProcess(void);
415
416 /* Functions run under VBVA lock. */
417 int i_videoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory);
418 int i_videoAccelFlush(void);
419
420#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
421 int i_crOglWindowsShow(bool fShow);
422#endif
423
424#ifdef VBOX_WITH_HGSMI
425 volatile uint32_t mu32UpdateVBVAFlags;
426#endif
427
428#ifdef VBOX_WITH_VPX
429 VIDEORECCONTEXT *mpVideoRecCtx;
430 bool maVideoRecEnabled[SchemaDefs::MaxGuestMonitors];
431#endif
432};
433
434/* helper function, code in DisplayResampleImage.cpp */
435void gdImageCopyResampled(uint8_t *dst, uint8_t *src,
436 int dstX, int dstY, int srcX, int srcY,
437 int dstW, int dstH, int srcW, int srcH);
438
439void BitmapScale32(uint8_t *dst, int dstW, int dstH,
440 const uint8_t *src, int iDeltaLine, int srcW, int srcH);
441
442/* helper function, code in DisplayPNGUtul.cpp */
443int DisplayMakePNG(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
444 uint8_t **ppu8PNG, uint32_t *pcbPNG, uint32_t *pcxPNG, uint32_t *pcyPNG,
445 uint8_t fLimitSize);
446
447class ATL_NO_VTABLE DisplaySourceBitmap:
448 public DisplaySourceBitmapWrap
449{
450public:
451
452 DECLARE_EMPTY_CTOR_DTOR(DisplaySourceBitmap)
453
454 HRESULT FinalConstruct();
455 void FinalRelease();
456
457 /* Public initializer/uninitializer for internal purposes only. */
458 HRESULT init(ComObjPtr<Display> pDisplay, unsigned uScreenId, DISPLAYFBINFO *pFBInfo);
459 void uninit();
460
461 bool i_usesVRAM(void) { return m.pu8Allocated == NULL; }
462
463private:
464 // wrapped IDisplaySourceBitmap properties
465 virtual HRESULT getScreenId(ULONG *aScreenId);
466
467 // wrapped IDisplaySourceBitmap methods
468 virtual HRESULT queryBitmapInfo(BYTE **aAddress,
469 ULONG *aWidth,
470 ULONG *aHeight,
471 ULONG *aBitsPerPixel,
472 ULONG *aBytesPerLine,
473 ULONG *aPixelFormat);
474
475 int initSourceBitmap(unsigned aScreenId, DISPLAYFBINFO *pFBInfo);
476
477 struct Data
478 {
479 ComObjPtr<Display> pDisplay;
480 unsigned uScreenId;
481 DISPLAYFBINFO *pFBInfo;
482
483 uint8_t *pu8Allocated;
484
485 uint8_t *pu8Address;
486 ULONG ulWidth;
487 ULONG ulHeight;
488 ULONG ulBitsPerPixel;
489 ULONG ulBytesPerLine;
490 ULONG ulPixelFormat;
491 };
492
493 Data m;
494};
495
496#endif // ____H_DISPLAYIMPL
497/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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