VirtualBox

source: vbox/trunk/src/VBox/Main/include/DisplayImpl.h@ 53528

Last change on this file since 53528 was 53528, checked in by vboxsync, 10 years ago

Devices/Graphics, Devices/PC/DevACPI, Main: add support for sending video mode hints through the VGA device.
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File size: 22.6 KB
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1/* $Id: DisplayImpl.h 53528 2014-12-12 20:22:39Z 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.virtualbox.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 /* 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
257 // Wrapped IEventListener properties
258
259 // Wrapped IEventListener methods
260 virtual HRESULT handleEvent(const ComPtr<IEvent> &aEvent);
261
262 // other internal methods
263 HRESULT takeScreenShotWorker(ULONG aScreenId,
264 BYTE *aAddress,
265 ULONG aWidth,
266 ULONG aHeight,
267 BitmapFormat_T aBitmapFormat,
268 ULONG *pcbOut);
269
270#ifdef VBOX_WITH_CRHGSMI
271 void i_setupCrHgsmiData(void);
272 void i_destructCrHgsmiData(void);
273#endif
274
275#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
276 int i_crViewportNotify(ULONG aScreenId, ULONG x, ULONG y, ULONG width, ULONG height);
277#endif
278
279 static DECLCALLBACK(void*) i_drvQueryInterface(PPDMIBASE pInterface, const char *pszIID);
280 static DECLCALLBACK(int) i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
281 static DECLCALLBACK(void) i_drvDestruct(PPDMDRVINS pDrvIns);
282 static DECLCALLBACK(int) i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM,
283 uint32_t cbLine, uint32_t cx, uint32_t cy);
284 static DECLCALLBACK(void) i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
285 uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
286 static DECLCALLBACK(void) i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
287 static DECLCALLBACK(void) i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
288 static DECLCALLBACK(void) i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
289 static DECLCALLBACK(void) i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
290 void *pvVRAM, uint32_t u32VRAMSize);
291 static DECLCALLBACK(void) i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
292 void *pvVRAM, unsigned uScreenId);
293
294#ifdef VBOX_WITH_VIDEOHWACCEL
295 static DECLCALLBACK(int) i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand);
296#endif
297
298#ifdef VBOX_WITH_CRHGSMI
299 static DECLCALLBACK(void) i_displayCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface,
300 PVBOXVDMACMD_CHROMIUM_CMD pCmd, uint32_t cbCmd);
301 static DECLCALLBACK(void) i_displayCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCtl,
302 uint32_t cbCtl);
303
304 static DECLCALLBACK(void) i_displayCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
305 void *pvContext);
306 static DECLCALLBACK(void) i_displayCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
307 void *pvContext);
308#endif
309#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
310 static DECLCALLBACK(int) i_displayCrHgcmCtlSubmit(PPDMIDISPLAYCONNECTOR pInterface,
311 struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
312 PFNCRCTLCOMPLETION pfnCompletion,
313 void *pvCompletion);
314 static DECLCALLBACK(void) i_displayCrHgcmCtlSubmitCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
315 void *pvContext);
316#endif
317#ifdef VBOX_WITH_HGSMI
318 static DECLCALLBACK(int) i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
319 PVBVAHOSTFLAGS pHostFlags, bool fRenderThreadMode);
320 static DECLCALLBACK(void) i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
321 static DECLCALLBACK(void) i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
322 static DECLCALLBACK(void) i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
323 const PVBVACMDHDR pCmd, size_t cbCmd);
324 static DECLCALLBACK(void) i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
325 uint32_t cx, uint32_t cy);
326 static DECLCALLBACK(int) i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView,
327 const PVBVAINFOSCREEN pScreen, void *pvVRAM);
328 static DECLCALLBACK(int) i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
329 uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy,
330 const void *pvShape);
331 static DECLCALLBACK(void) i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities);
332#endif
333
334#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
335 static DECLCALLBACK(void) i_displayCrVRecScreenshotPerform(void *pvCtx, uint32_t uScreen,
336 uint32_t x, uint32_t y,
337 uint32_t uBitsPerPixel, uint32_t uBytesPerLine,
338 uint32_t uGuestWidth, uint32_t uGuestHeight,
339 uint8_t *pu8BufferAddress, uint64_t u64TimeStamp);
340 static DECLCALLBACK(bool) i_displayCrVRecScreenshotBegin(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp);
341 static DECLCALLBACK(void) i_displayCrVRecScreenshotEnd(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp);
342
343 static DECLCALLBACK(void) i_displayVRecCompletion(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, int rc, void *pvCompletion);
344#endif
345 static DECLCALLBACK(void) i_displayCrCmdFree(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, int rc, void *pvCompletion);
346
347 static DECLCALLBACK(void) i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser);
348 static DECLCALLBACK(int) i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
349 static DECLCALLBACK(void) i_displaySSMSave(PSSMHANDLE pSSM, void *pvUser);
350 static DECLCALLBACK(int) i_displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
351
352 Console * const mParent;
353 /** Pointer to the associated display driver. */
354 struct DRVMAINDISPLAY *mpDrv;
355 /** Pointer to the device instance for the VMM Device. */
356 PPDMDEVINS mpVMMDev;
357 /** Set after the first attempt to find the VMM Device. */
358 bool mfVMMDevInited;
359
360 unsigned mcMonitors;
361 DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
362 /** Does the VMM device have the "supports graphics" capability set?
363 * Does not go into the saved state as it is refreshed on restore. */
364 bool mfVMMDevSupportsGraphics;
365 /** Mirror of the current guest VBVA capabilities.
366 * Does not go into the saved state as it is refreshed on restore. */
367 uint32_t mfGuestVBVACapabilities;
368
369 bool mfSourceBitmapEnabled;
370 bool volatile fVGAResizing;
371
372 bool mfVideoAccelVRDP;
373 uint32_t mfu32SupportedOrders;
374 int32_t volatile mcVideoAccelVRDPRefs;
375
376#ifdef VBOX_WITH_CROGL
377 bool mfCrOglDataHidden;
378#endif
379
380#ifdef VBOX_WITH_CRHGSMI
381 /* for fast host hgcm calls */
382 HGCMCVSHANDLE mhCrOglSvc;
383 RTCRITSECTRW mCrOglLock;
384#endif
385#ifdef VBOX_WITH_CROGL
386 CR_MAIN_INTERFACE mCrOglCallbacks;
387 volatile uint32_t mfCrOglVideoRecState;
388 CRVBOXHGCMTAKESCREENSHOT mCrOglScreenshotData;
389 VBOXCRCMDCTL_HGCM mCrOglScreenshotCtl;
390#endif
391
392 /* The legacy VBVA data and methods. */
393 VIDEOACCEL mVideoAccelLegacy;
394
395 int i_VideoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
396 void i_VideoAccelFlush(PPDMIDISPLAYPORT pUpPort);
397 bool i_VideoAccelAllowed(void);
398
399 int i_videoAccelRefreshProcess(PPDMIDISPLAYPORT pUpPort);
400 int i_videoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
401 int i_videoAccelFlush(PPDMIDISPLAYPORT pUpPort);
402
403 /* Legacy pre-HGSMI handlers. */
404 void processAdapterData(void *pvVRAM, uint32_t u32VRAMSize);
405 void processDisplayData(void *pvVRAM, unsigned uScreenId);
406
407 /* Serializes access to mVideoAccelLegacy and mfVideoAccelVRDP, etc between VRDP and Display. */
408 RTCRITSECT mVideoAccelLock;
409
410public:
411
412 static int i_displayTakeScreenshotEMT(Display *pDisplay, ULONG aScreenId, uint8_t **ppu8Data, size_t *pcbData,
413 uint32_t *pu32Width, uint32_t *pu32Height);
414
415#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
416 static BOOL i_displayCheckTakeScreenshotCrOgl(Display *pDisplay, ULONG aScreenId, uint8_t *pu8Data,
417 uint32_t u32Width, uint32_t u32Height);
418 int i_crCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, PFNCRCTLCOMPLETION pfnCompletion, void *pvCompletion);
419 int i_crCtlSubmitSync(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
420 /* copies the given command and submits it asynchronously,
421 * i.e. the pCmd data may be discarded right after the call returns */
422 int i_crCtlSubmitAsyncCmdCopy(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
423 /* performs synchronous request processing if 3D backend has something to display
424 * this is primarily to work-around 3d<->main thread deadlocks on OSX
425 * in case of async completion, the command is coppied to the allocated buffer,
426 * freeded on command completion
427 * can be used for "notification" commands, when client is not interested in command result,
428 * that must synchronize with 3D backend only when some 3D data is displayed.
429 * The routine does NOT provide any info on whether command is processed asynchronously or not */
430 int i_crCtlSubmitSyncIfHasDataForScreen(uint32_t u32ScreenID, struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
431#endif
432
433private:
434 static int i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll);
435 static int i_drawToScreenEMT(Display *pDisplay, ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height);
436
437 void i_updateGuestGraphicsFacility(void);
438
439#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
440 int i_crOglWindowsShow(bool fShow);
441#endif
442
443#ifdef VBOX_WITH_HGSMI
444 volatile uint32_t mu32UpdateVBVAFlags;
445#endif
446
447#ifdef VBOX_WITH_VPX
448 VIDEORECCONTEXT *mpVideoRecCtx;
449 bool maVideoRecEnabled[SchemaDefs::MaxGuestMonitors];
450#endif
451};
452
453/* The legacy VBVA helpers. */
454int videoAccelConstruct(VIDEOACCEL *pVideoAccel);
455void videoAccelDestroy(VIDEOACCEL *pVideoAccel);
456void i_vbvaSetMemoryFlags(VBVAMEMORY *pVbvaMemory,
457 bool fVideoAccelEnabled,
458 bool fVideoAccelVRDP,
459 uint32_t fu32SupportedOrders,
460 DISPLAYFBINFO *paFBInfos,
461 unsigned cFBInfos);
462int videoAccelEnterVGA(VIDEOACCEL *pVideoAccel);
463void videoAccelLeaveVGA(VIDEOACCEL *pVideoAccel);
464int videoAccelEnterVMMDev(VIDEOACCEL *pVideoAccel);
465void videoAccelLeaveVMMDev(VIDEOACCEL *pVideoAccel);
466
467
468/* helper function, code in DisplayResampleImage.cpp */
469void gdImageCopyResampled(uint8_t *dst, uint8_t *src,
470 int dstX, int dstY, int srcX, int srcY,
471 int dstW, int dstH, int srcW, int srcH);
472
473void BitmapScale32(uint8_t *dst, int dstW, int dstH,
474 const uint8_t *src, int iDeltaLine, int srcW, int srcH);
475
476/* helper function, code in DisplayPNGUtul.cpp */
477int DisplayMakePNG(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
478 uint8_t **ppu8PNG, uint32_t *pcbPNG, uint32_t *pcxPNG, uint32_t *pcyPNG,
479 uint8_t fLimitSize);
480
481class ATL_NO_VTABLE DisplaySourceBitmap:
482 public DisplaySourceBitmapWrap
483{
484public:
485
486 DECLARE_EMPTY_CTOR_DTOR(DisplaySourceBitmap)
487
488 HRESULT FinalConstruct();
489 void FinalRelease();
490
491 /* Public initializer/uninitializer for internal purposes only. */
492 HRESULT init(ComObjPtr<Display> pDisplay, unsigned uScreenId, DISPLAYFBINFO *pFBInfo);
493 void uninit();
494
495 bool i_usesVRAM(void) { return m.pu8Allocated == NULL; }
496
497private:
498 // wrapped IDisplaySourceBitmap properties
499 virtual HRESULT getScreenId(ULONG *aScreenId);
500
501 // wrapped IDisplaySourceBitmap methods
502 virtual HRESULT queryBitmapInfo(BYTE **aAddress,
503 ULONG *aWidth,
504 ULONG *aHeight,
505 ULONG *aBitsPerPixel,
506 ULONG *aBytesPerLine,
507 ULONG *aPixelFormat);
508
509 int initSourceBitmap(unsigned aScreenId, DISPLAYFBINFO *pFBInfo);
510
511 struct Data
512 {
513 ComObjPtr<Display> pDisplay;
514 unsigned uScreenId;
515 DISPLAYFBINFO *pFBInfo;
516
517 uint8_t *pu8Allocated;
518
519 uint8_t *pu8Address;
520 ULONG ulWidth;
521 ULONG ulHeight;
522 ULONG ulBitsPerPixel;
523 ULONG ulBytesPerLine;
524 ULONG ulPixelFormat;
525 };
526
527 Data m;
528};
529
530#endif // ____H_DISPLAYIMPL
531/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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