VirtualBox

source: vbox/trunk/src/VBox/Main/include/DisplayImpl.h@ 53851

Last change on this file since 53851 was 53851, checked in by vboxsync, 10 years ago

Host 3D & Main: coding style update.
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1/* $Id: DisplayImpl.h 53851 2015-01-16 10:03:25Z vboxsync $ */
2/** @file
3 * VirtualBox COM class implementation
4 */
5
6/*
7 * Copyright (C) 2006-2015 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.215389.xyz. 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 /* The following 3 fields (u32Offset, u32MaxFramebufferSize and u32InformationSize)
42 * are not used by the current HGSMI. They are needed for backward compatibility with
43 * pre-HGSMI additions.
44 */
45 uint32_t u32Offset;
46 uint32_t u32MaxFramebufferSize;
47 uint32_t u32InformationSize;
48
49 ComPtr<IFramebuffer> pFramebuffer;
50 ComPtr<IDisplaySourceBitmap> pSourceBitmap;
51 bool fDisabled;
52
53 uint32_t u32Caps;
54
55 struct
56 {
57 ComPtr<IDisplaySourceBitmap> pSourceBitmap;
58 uint8_t *pu8Address;
59 uint32_t cbLine;
60 } updateImage;
61
62 LONG xOrigin;
63 LONG yOrigin;
64
65 ULONG w;
66 ULONG h;
67
68 uint16_t u16BitsPerPixel;
69 uint8_t *pu8FramebufferVRAM;
70 uint32_t u32LineSize;
71
72 uint16_t flags;
73
74 VBOXVIDEOINFOHOSTEVENTS *pHostEvents;
75
76 /** The framebuffer has default format and must be updates immediately. */
77 bool fDefaultFormat;
78
79#ifdef VBOX_WITH_HGSMI
80 bool fVBVAEnabled;
81 bool fVBVAForceResize;
82 bool fRenderThreadMode;
83 PVBVAHOSTFLAGS pVBVAHostFlags;
84#endif /* VBOX_WITH_HGSMI */
85
86#ifdef VBOX_WITH_CROGL
87 struct
88 {
89 bool fPending;
90 ULONG x;
91 ULONG y;
92 ULONG width;
93 ULONG height;
94 } pendingViewportInfo;
95#endif /* VBOX_WITH_CROGL */
96} DISPLAYFBINFO;
97
98/* The legacy VBVA (VideoAccel) data.
99 *
100 * Backward compatibility with the guest additions 3.x or older.
101 */
102typedef struct VIDEOACCEL
103{
104 VBVAMEMORY *pVbvaMemory;
105 bool fVideoAccelEnabled;
106
107 uint8_t *pu8VbvaPartial;
108 uint32_t cbVbvaPartial;
109
110 /* Old guest additions (3.x and older) use both VMMDev and DevVGA refresh timer
111 * to process the VBVABUFFER memory. Therefore the legacy VBVA (VideoAccel) host
112 * code can be executed concurrently by VGA refresh timer and the guest VMMDev
113 * request in SMP VMs. The semaphore serialized this.
114 */
115 RTSEMXROADS hXRoadsVideoAccel;
116
117} VIDEOACCEL;
118
119class DisplayMouseInterface
120{
121public:
122 virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
123 ULONG *pcy, ULONG *pcBPP, LONG *pXOrigin, LONG *pYOrigin) = 0;
124 virtual void i_getFramebufferDimensions(int32_t *px1, int32_t *py1,
125 int32_t *px2, int32_t *py2) = 0;
126};
127
128class VMMDev;
129
130class ATL_NO_VTABLE Display :
131 public DisplayWrap,
132 public DisplayMouseInterface
133{
134public:
135
136 DECLARE_EMPTY_CTOR_DTOR(Display)
137
138 HRESULT FinalConstruct();
139 void FinalRelease();
140
141 // public initializer/uninitializer for internal purposes only
142 HRESULT init(Console *aParent);
143 void uninit();
144 int i_registerSSM(PUVM pUVM);
145
146 // public methods only for internal purposes
147 int i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM, uint32_t cbLine,
148 uint32_t w, uint32_t h, uint16_t flags);
149 void i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h);
150 void i_handleUpdateVMMDevSupportsGraphics(bool fSupportsGraphics);
151 void i_handleUpdateGuestVBVACapabilities(uint32_t fNewCapabilities);
152#ifdef VBOX_WITH_VIDEOHWACCEL
153 int i_handleVHWACommandProcess(PVBOXVHWACMD pCommand);
154#endif
155#ifdef VBOX_WITH_CRHGSMI
156 void i_handleCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam);
157 void i_handleCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam);
158 void i_handleCrHgsmiCommandProcess(PVBOXVDMACMD_CHROMIUM_CMD pCmd, uint32_t cbCmd);
159 void i_handleCrHgsmiControlProcess(PVBOXVDMACMD_CHROMIUM_CTL pCtl, uint32_t cbCtl);
160#endif
161#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
162 int i_handleCrHgcmCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
163 PFNCRCTLCOMPLETION pfnCompletion,
164 void *pvCompletion);
165 void i_handleCrVRecScreenshotPerform(uint32_t uScreen,
166 uint32_t x, uint32_t y, uint32_t uPixelFormat, uint32_t uBitsPerPixel,
167 uint32_t uBytesPerLine, uint32_t uGuestWidth, uint32_t uGuestHeight,
168 uint8_t *pu8BufferAddress, uint64_t u64TimeStamp);
169 bool i_handleCrVRecScreenshotBegin(uint32_t uScreen, uint64_t u64TimeStamp);
170 void i_handleCrVRecScreenshotEnd(uint32_t uScreen, uint64_t u64TimeStamp);
171 void i_handleVRecCompletion();
172#endif
173
174 int i_notifyCroglResize(const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM);
175
176 int i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect);
177 int i_handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect);
178
179 void i_VideoAccelVRDP(bool fEnable);
180
181 /* Legacy video acceleration requests coming from the VGA refresh timer. */
182 int VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory);
183
184 /* Legacy video acceleration requests coming from VMMDev. */
185 int VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory);
186 void VideoAccelFlushVMMDev(void);
187
188 int i_VideoCaptureStart();
189 void i_VideoCaptureStop();
190 int i_VideoCaptureEnableScreens(ComSafeArrayIn(BOOL, aScreens));
191
192 void i_notifyPowerDown(void);
193
194 // DisplayMouseInterface methods
195 virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
196 ULONG *pcy, ULONG *pcBPP, LONG *pXOrigin, LONG *pYOrigin)
197 {
198 return getScreenResolution(cScreen, pcx, pcy, pcBPP, pXOrigin, pYOrigin, NULL);
199 }
200 virtual void i_getFramebufferDimensions(int32_t *px1, int32_t *py1,
201 int32_t *px2, int32_t *py2);
202
203 static const PDMDRVREG DrvReg;
204
205private:
206 // Wrapped IDisplay properties
207
208 // Wrapped IDisplay methods
209 virtual HRESULT getScreenResolution(ULONG aScreenId,
210 ULONG *aWidth,
211 ULONG *aHeight,
212 ULONG *aBitsPerPixel,
213 LONG *aXOrigin,
214 LONG *aYOrigin,
215 GuestMonitorStatus_T *aGuestMonitorStatus);
216 virtual HRESULT attachFramebuffer(ULONG aScreenId,
217 const ComPtr<IFramebuffer> &aFramebuffer);
218 virtual HRESULT detachFramebuffer(ULONG aScreenId);
219 virtual HRESULT queryFramebuffer(ULONG aScreenId,
220 ComPtr<IFramebuffer> &aFramebuffer);
221 virtual HRESULT setVideoModeHint(ULONG aDisplay,
222 BOOL aEnabled,
223 BOOL aChangeOrigin,
224 LONG aOriginX,
225 LONG aOriginY,
226 ULONG aWidth,
227 ULONG aHeight,
228 ULONG aBitsPerPixel);
229 virtual HRESULT setSeamlessMode(BOOL aEnabled);
230 virtual HRESULT takeScreenShot(ULONG aScreenId,
231 BYTE *aAddress,
232 ULONG aWidth,
233 ULONG aHeight,
234 BitmapFormat_T aBitmapFormat);
235 virtual HRESULT takeScreenShotToArray(ULONG aScreenId,
236 ULONG aWidth,
237 ULONG aHeight,
238 BitmapFormat_T aBitmapFormat,
239 std::vector<BYTE> &aScreenData);
240 virtual HRESULT drawToScreen(ULONG aScreenId,
241 BYTE *aAddress,
242 ULONG aX,
243 ULONG aY,
244 ULONG aWidth,
245 ULONG aHeight);
246 virtual HRESULT invalidateAndUpdate();
247 virtual HRESULT invalidateAndUpdateScreen(ULONG aScreenId);
248 virtual HRESULT completeVHWACommand(BYTE *aCommand);
249 virtual HRESULT viewportChanged(ULONG aScreenId,
250 ULONG aX,
251 ULONG aY,
252 ULONG aWidth,
253 ULONG aHeight);
254 virtual HRESULT querySourceBitmap(ULONG aScreenId,
255 ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap);
256 virtual HRESULT notifyScaleFactorChange(ULONG aScreenId,
257 ULONG aScaleFactorWMultiplied,
258 ULONG aScaleFactorHMultiplied);
259
260 // Wrapped IEventListener properties
261
262 // Wrapped IEventListener methods
263 virtual HRESULT handleEvent(const ComPtr<IEvent> &aEvent);
264
265 // other internal methods
266 HRESULT takeScreenShotWorker(ULONG aScreenId,
267 BYTE *aAddress,
268 ULONG aWidth,
269 ULONG aHeight,
270 BitmapFormat_T aBitmapFormat,
271 ULONG *pcbOut);
272
273#ifdef VBOX_WITH_CRHGSMI
274 void i_setupCrHgsmiData(void);
275 void i_destructCrHgsmiData(void);
276#endif
277
278#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
279 int i_crViewportNotify(ULONG aScreenId, ULONG x, ULONG y, ULONG width, ULONG height);
280#endif
281
282 static DECLCALLBACK(void*) i_drvQueryInterface(PPDMIBASE pInterface, const char *pszIID);
283 static DECLCALLBACK(int) i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
284 static DECLCALLBACK(void) i_drvDestruct(PPDMDRVINS pDrvIns);
285 static DECLCALLBACK(int) i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM,
286 uint32_t cbLine, uint32_t cx, uint32_t cy);
287 static DECLCALLBACK(void) i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
288 uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
289 static DECLCALLBACK(void) i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
290 static DECLCALLBACK(void) i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
291 static DECLCALLBACK(void) i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
292 static DECLCALLBACK(void) i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
293 void *pvVRAM, uint32_t u32VRAMSize);
294 static DECLCALLBACK(void) i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
295 void *pvVRAM, unsigned uScreenId);
296
297#ifdef VBOX_WITH_VIDEOHWACCEL
298 static DECLCALLBACK(int) i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand);
299#endif
300
301#ifdef VBOX_WITH_CRHGSMI
302 static DECLCALLBACK(void) i_displayCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface,
303 PVBOXVDMACMD_CHROMIUM_CMD pCmd, uint32_t cbCmd);
304 static DECLCALLBACK(void) i_displayCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCtl,
305 uint32_t cbCtl);
306
307 static DECLCALLBACK(void) i_displayCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
308 void *pvContext);
309 static DECLCALLBACK(void) i_displayCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
310 void *pvContext);
311#endif
312#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
313 static DECLCALLBACK(int) i_displayCrHgcmCtlSubmit(PPDMIDISPLAYCONNECTOR pInterface,
314 struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
315 PFNCRCTLCOMPLETION pfnCompletion,
316 void *pvCompletion);
317 static DECLCALLBACK(void) i_displayCrHgcmCtlSubmitCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
318 void *pvContext);
319#endif
320#ifdef VBOX_WITH_HGSMI
321 static DECLCALLBACK(int) i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
322 PVBVAHOSTFLAGS pHostFlags, bool fRenderThreadMode);
323 static DECLCALLBACK(void) i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
324 static DECLCALLBACK(void) i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
325 static DECLCALLBACK(void) i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
326 const PVBVACMDHDR pCmd, size_t cbCmd);
327 static DECLCALLBACK(void) i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
328 uint32_t cx, uint32_t cy);
329 static DECLCALLBACK(int) i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView,
330 const PVBVAINFOSCREEN pScreen, void *pvVRAM);
331 static DECLCALLBACK(int) i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
332 uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy,
333 const void *pvShape);
334 static DECLCALLBACK(void) i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities);
335#endif
336
337#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
338 static DECLCALLBACK(void) i_displayCrVRecScreenshotPerform(void *pvCtx, uint32_t uScreen,
339 uint32_t x, uint32_t y,
340 uint32_t uBitsPerPixel, uint32_t uBytesPerLine,
341 uint32_t uGuestWidth, uint32_t uGuestHeight,
342 uint8_t *pu8BufferAddress, uint64_t u64TimeStamp);
343 static DECLCALLBACK(bool) i_displayCrVRecScreenshotBegin(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp);
344 static DECLCALLBACK(void) i_displayCrVRecScreenshotEnd(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp);
345
346 static DECLCALLBACK(void) i_displayVRecCompletion(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, int rc, void *pvCompletion);
347#endif
348 static DECLCALLBACK(void) i_displayCrCmdFree(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, int rc, void *pvCompletion);
349
350 static DECLCALLBACK(void) i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser);
351 static DECLCALLBACK(int) i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
352 static DECLCALLBACK(void) i_displaySSMSave(PSSMHANDLE pSSM, void *pvUser);
353 static DECLCALLBACK(int) i_displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
354
355 Console * const mParent;
356 /** Pointer to the associated display driver. */
357 struct DRVMAINDISPLAY *mpDrv;
358 /** Pointer to the device instance for the VMM Device. */
359 PPDMDEVINS mpVMMDev;
360 /** Set after the first attempt to find the VMM Device. */
361 bool mfVMMDevInited;
362
363 unsigned mcMonitors;
364 DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
365 /** Does the VMM device have the "supports graphics" capability set?
366 * Does not go into the saved state as it is refreshed on restore. */
367 bool mfVMMDevSupportsGraphics;
368 /** Mirror of the current guest VBVA capabilities.
369 * Does not go into the saved state as it is refreshed on restore. */
370 uint32_t mfGuestVBVACapabilities;
371
372 bool mfSourceBitmapEnabled;
373 bool volatile fVGAResizing;
374
375 bool mfVideoAccelVRDP;
376 uint32_t mfu32SupportedOrders;
377 int32_t volatile mcVideoAccelVRDPRefs;
378
379 /** Accelerate3DEnabled = true && GraphicsControllerType == VBoxVGA. */
380 bool mfIsCr3DEnabled;
381
382#ifdef VBOX_WITH_CROGL
383 bool mfCrOglDataHidden;
384#endif
385
386#ifdef VBOX_WITH_CRHGSMI
387 /* for fast host hgcm calls */
388 HGCMCVSHANDLE mhCrOglSvc;
389 RTCRITSECTRW mCrOglLock;
390#endif
391#ifdef VBOX_WITH_CROGL
392 CR_MAIN_INTERFACE mCrOglCallbacks;
393 volatile uint32_t mfCrOglVideoRecState;
394 CRVBOXHGCMTAKESCREENSHOT mCrOglScreenshotData;
395 VBOXCRCMDCTL_HGCM mCrOglScreenshotCtl;
396#endif
397
398 /* The legacy VBVA data and methods. */
399 VIDEOACCEL mVideoAccelLegacy;
400
401 int i_VideoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
402 void i_VideoAccelFlush(PPDMIDISPLAYPORT pUpPort);
403 bool i_VideoAccelAllowed(void);
404
405 int i_videoAccelRefreshProcess(PPDMIDISPLAYPORT pUpPort);
406 int i_videoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
407 int i_videoAccelFlush(PPDMIDISPLAYPORT pUpPort);
408
409 /* Legacy pre-HGSMI handlers. */
410 void processAdapterData(void *pvVRAM, uint32_t u32VRAMSize);
411 void processDisplayData(void *pvVRAM, unsigned uScreenId);
412
413 /* Serializes access to mVideoAccelLegacy and mfVideoAccelVRDP, etc between VRDP and Display. */
414 RTCRITSECT mVideoAccelLock;
415
416public:
417
418 static int i_displayTakeScreenshotEMT(Display *pDisplay, ULONG aScreenId, uint8_t **ppu8Data, size_t *pcbData,
419 uint32_t *pu32Width, uint32_t *pu32Height);
420
421#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
422 static BOOL i_displayCheckTakeScreenshotCrOgl(Display *pDisplay, ULONG aScreenId, uint8_t *pu8Data,
423 uint32_t u32Width, uint32_t u32Height);
424 int i_crCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, PFNCRCTLCOMPLETION pfnCompletion, void *pvCompletion);
425 int i_crCtlSubmitSync(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
426 /* copies the given command and submits it asynchronously,
427 * i.e. the pCmd data may be discarded right after the call returns */
428 int i_crCtlSubmitAsyncCmdCopy(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
429 /* performs synchronous request processing if 3D backend has something to display
430 * this is primarily to work-around 3d<->main thread deadlocks on OSX
431 * in case of async completion, the command is coppied to the allocated buffer,
432 * freeded on command completion
433 * can be used for "notification" commands, when client is not interested in command result,
434 * that must synchronize with 3D backend only when some 3D data is displayed.
435 * The routine does NOT provide any info on whether command is processed asynchronously or not */
436 int i_crCtlSubmitSyncIfHasDataForScreen(uint32_t u32ScreenID, struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
437#endif
438
439private:
440 static int i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll);
441 static int i_drawToScreenEMT(Display *pDisplay, ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height);
442
443 void i_updateGuestGraphicsFacility(void);
444
445#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
446 int i_crOglWindowsShow(bool fShow);
447#endif
448
449#ifdef VBOX_WITH_HGSMI
450 volatile uint32_t mu32UpdateVBVAFlags;
451#endif
452
453#ifdef VBOX_WITH_VPX
454 VIDEORECCONTEXT *mpVideoRecCtx;
455 bool maVideoRecEnabled[SchemaDefs::MaxGuestMonitors];
456#endif
457};
458
459/* The legacy VBVA helpers. */
460int videoAccelConstruct(VIDEOACCEL *pVideoAccel);
461void videoAccelDestroy(VIDEOACCEL *pVideoAccel);
462void i_vbvaSetMemoryFlags(VBVAMEMORY *pVbvaMemory,
463 bool fVideoAccelEnabled,
464 bool fVideoAccelVRDP,
465 uint32_t fu32SupportedOrders,
466 DISPLAYFBINFO *paFBInfos,
467 unsigned cFBInfos);
468int videoAccelEnterVGA(VIDEOACCEL *pVideoAccel);
469void videoAccelLeaveVGA(VIDEOACCEL *pVideoAccel);
470int videoAccelEnterVMMDev(VIDEOACCEL *pVideoAccel);
471void videoAccelLeaveVMMDev(VIDEOACCEL *pVideoAccel);
472
473
474/* helper function, code in DisplayResampleImage.cpp */
475void gdImageCopyResampled(uint8_t *dst, uint8_t *src,
476 int dstX, int dstY, int srcX, int srcY,
477 int dstW, int dstH, int srcW, int srcH);
478
479void BitmapScale32(uint8_t *dst, int dstW, int dstH,
480 const uint8_t *src, int iDeltaLine, int srcW, int srcH);
481
482/* helper function, code in DisplayPNGUtul.cpp */
483int DisplayMakePNG(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
484 uint8_t **ppu8PNG, uint32_t *pcbPNG, uint32_t *pcxPNG, uint32_t *pcyPNG,
485 uint8_t fLimitSize);
486
487class ATL_NO_VTABLE DisplaySourceBitmap:
488 public DisplaySourceBitmapWrap
489{
490public:
491
492 DECLARE_EMPTY_CTOR_DTOR(DisplaySourceBitmap)
493
494 HRESULT FinalConstruct();
495 void FinalRelease();
496
497 /* Public initializer/uninitializer for internal purposes only. */
498 HRESULT init(ComObjPtr<Display> pDisplay, unsigned uScreenId, DISPLAYFBINFO *pFBInfo);
499 void uninit();
500
501 bool i_usesVRAM(void) { return m.pu8Allocated == NULL; }
502
503private:
504 // wrapped IDisplaySourceBitmap properties
505 virtual HRESULT getScreenId(ULONG *aScreenId);
506
507 // wrapped IDisplaySourceBitmap methods
508 virtual HRESULT queryBitmapInfo(BYTE **aAddress,
509 ULONG *aWidth,
510 ULONG *aHeight,
511 ULONG *aBitsPerPixel,
512 ULONG *aBytesPerLine,
513 ULONG *aPixelFormat);
514
515 int initSourceBitmap(unsigned aScreenId, DISPLAYFBINFO *pFBInfo);
516
517 struct Data
518 {
519 ComObjPtr<Display> pDisplay;
520 unsigned uScreenId;
521 DISPLAYFBINFO *pFBInfo;
522
523 uint8_t *pu8Allocated;
524
525 uint8_t *pu8Address;
526 ULONG ulWidth;
527 ULONG ulHeight;
528 ULONG ulBitsPerPixel;
529 ULONG ulBytesPerLine;
530 ULONG ulPixelFormat;
531 };
532
533 Data m;
534};
535
536#endif // ____H_DISPLAYIMPL
537/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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