VirtualBox

source: vbox/trunk/src/VBox/Main/include/DisplayImpl.h@ 30690

Last change on this file since 30690 was 30627, checked in by vboxsync, 14 years ago

Main, some frontends: removing callbacks
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 9.9 KB
Line 
1/* $Id: DisplayImpl.h 30627 2010-07-05 17:08:55Z vboxsync $ */
2/** @file
3 * VirtualBox COM class implementation
4 */
5
6/*
7 * Copyright (C) 2006-2008 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 "VirtualBoxBase.h"
22#include "SchemaDefs.h"
23
24#include <iprt/semaphore.h>
25#include <VBox/pdmdrv.h>
26#include <VBox/VMMDev.h>
27#include <VBox/VBoxVideo.h>
28
29class Console;
30
31enum {
32 ResizeStatus_Void,
33 ResizeStatus_InProgress,
34 ResizeStatus_UpdateDisplayData
35};
36
37typedef struct _DISPLAYFBINFO
38{
39 uint32_t u32Offset;
40 uint32_t u32MaxFramebufferSize;
41 uint32_t u32InformationSize;
42
43 ComPtr<IFramebuffer> pFramebuffer;
44
45 LONG xOrigin;
46 LONG yOrigin;
47
48 ULONG w;
49 ULONG h;
50
51 uint16_t u16BitsPerPixel;
52 uint8_t *pu8FramebufferVRAM;
53 uint32_t u32LineSize;
54
55 VBOXVIDEOINFOHOSTEVENTS *pHostEvents;
56
57 volatile uint32_t u32ResizeStatus;
58
59 /* The Framebuffer has default format and must be updates immediately. */
60 bool fDefaultFormat;
61
62 struct {
63 /* The rectangle that includes all dirty rectangles. */
64 int32_t xLeft;
65 int32_t xRight;
66 int32_t yTop;
67 int32_t yBottom;
68 } dirtyRect;
69
70 struct {
71 bool fPending;
72 ULONG pixelFormat;
73 void *pvVRAM;
74 uint32_t bpp;
75 uint32_t cbLine;
76 int w;
77 int h;
78 } pendingResize;
79
80#ifdef VBOX_WITH_HGSMI
81 bool fVBVAEnabled;
82 uint32_t cVBVASkipUpdate;
83 struct {
84 int32_t xLeft;
85 int32_t yTop;
86 int32_t xRight;
87 int32_t yBottom;
88 } vbvaSkippedRect;
89 PVBVAHOSTFLAGS pVBVAHostFlags;
90#endif /* VBOX_WITH_HGSMI */
91} DISPLAYFBINFO;
92
93class ATL_NO_VTABLE Display :
94 public VirtualBoxBase,
95 VBOX_SCRIPTABLE_IMPL(IEventListener),
96 public VirtualBoxSupportErrorInfoImpl<Display, IDisplay>,
97 public VirtualBoxSupportTranslation<Display>,
98 VBOX_SCRIPTABLE_IMPL(IDisplay)
99{
100
101public:
102
103 VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT (Display)
104
105 DECLARE_NOT_AGGREGATABLE(Display)
106
107 DECLARE_PROTECT_FINAL_CONSTRUCT()
108
109 BEGIN_COM_MAP(Display)
110 COM_INTERFACE_ENTRY(ISupportErrorInfo)
111 COM_INTERFACE_ENTRY(IDisplay)
112 COM_INTERFACE_ENTRY2(IDispatch,IDisplay)
113 COM_INTERFACE_ENTRY(IEventListener)
114 END_COM_MAP()
115
116 DECLARE_EMPTY_CTOR_DTOR (Display)
117
118 HRESULT FinalConstruct();
119 void FinalRelease();
120
121 // public initializer/uninitializer for internal purposes only
122 HRESULT init (Console *aParent);
123 void uninit();
124 int registerSSM(PVM pVM);
125
126 // public methods only for internal purposes
127 int handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM, uint32_t cbLine, int w, int h);
128 void handleDisplayUpdate (int x, int y, int cx, int cy);
129#ifdef VBOX_WITH_VIDEOHWACCEL
130 void handleVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand);
131#endif
132 IFramebuffer *getFramebuffer()
133 {
134 return maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer;
135 }
136#ifdef MMSEAMLESS
137 int handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect);
138 int handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect);
139#endif
140
141 int VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory);
142 void VideoAccelFlush (void);
143
144 bool VideoAccelAllowed (void);
145
146#ifdef VBOX_WITH_VRDP
147 void VideoAccelVRDP (bool fEnable);
148#endif /* VBOX_WITH_VRDP */
149
150 // IEventListener methods
151 STDMETHOD(HandleEvent)(IEvent * aEvent);
152
153 // IDisplay methods
154 STDMETHOD(GetScreenResolution)(ULONG aScreenId, ULONG *aWidth, ULONG *aHeight, ULONG *aBitsPerPixel);
155 STDMETHOD(SetFramebuffer)(ULONG aScreenId, IFramebuffer *aFramebuffer);
156 STDMETHOD(GetFramebuffer)(ULONG aScreenId, IFramebuffer **aFramebuffer, LONG *aXOrigin, LONG *aYOrigin);
157 STDMETHOD(SetVideoModeHint)(ULONG width, ULONG height, ULONG bitsPerPixel, ULONG display);
158 STDMETHOD(TakeScreenShot)(ULONG aScreenId, BYTE *address, ULONG width, ULONG height);
159 STDMETHOD(TakeScreenShotToArray)(ULONG aScreenId, ULONG width, ULONG height, ComSafeArrayOut(BYTE, aScreenData));
160 STDMETHOD(DrawToScreen)(ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height);
161 STDMETHOD(InvalidateAndUpdate)();
162 STDMETHOD(ResizeCompleted)(ULONG aScreenId);
163 STDMETHOD(SetSeamlessMode)(BOOL enabled);
164
165 STDMETHOD(CompleteVHWACommand)(BYTE *pCommand);
166
167 // for VirtualBoxSupportErrorInfoImpl
168 static const wchar_t *getComponentName() { return L"Display"; }
169
170 static const PDMDRVREG DrvReg;
171
172private:
173
174 void updateDisplayData(void);
175
176 static DECLCALLBACK(int) changeFramebuffer(Display *that, IFramebuffer *aFB, unsigned uScreenId);
177
178 static DECLCALLBACK(void*) drvQueryInterface(PPDMIBASE pInterface, const char *pszIID);
179 static DECLCALLBACK(int) drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
180 static DECLCALLBACK(void) drvDestruct(PPDMDRVINS pDrvIns);
181 static DECLCALLBACK(int) displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy);
182 static DECLCALLBACK(void) displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
183 uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
184 static DECLCALLBACK(void) displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
185 static DECLCALLBACK(void) displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
186 static DECLCALLBACK(void) displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
187 static DECLCALLBACK(void) displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize);
188 static DECLCALLBACK(void) displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId);
189
190#ifdef VBOX_WITH_VIDEOHWACCEL
191 static DECLCALLBACK(void) displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand);
192#endif
193
194#ifdef VBOX_WITH_HGSMI
195 static DECLCALLBACK(int) displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags);
196 static DECLCALLBACK(void) displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
197 static DECLCALLBACK(void) displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
198 static DECLCALLBACK(void) displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, const PVBVACMDHDR pCmd, size_t cbCmd);
199 static DECLCALLBACK(void) displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y, uint32_t cx, uint32_t cy);
200 static DECLCALLBACK(int) displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM);
201 static DECLCALLBACK(int) displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha, uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy, const void *pvShape);
202#endif
203
204
205 static DECLCALLBACK(void) displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser);
206 static DECLCALLBACK(int) displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
207 static DECLCALLBACK(void) displaySSMSave(PSSMHANDLE pSSM, void *pvUser);
208 static DECLCALLBACK(int) displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
209
210 Console * const mParent;
211 /** Pointer to the associated display driver. */
212 struct DRVMAINDISPLAY *mpDrv;
213 /** Pointer to the device instance for the VMM Device. */
214 PPDMDEVINS mpVMMDev;
215 /** Set after the first attempt to find the VMM Device. */
216 bool mfVMMDevInited;
217
218 unsigned mcMonitors;
219 DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
220
221 bool mFramebufferOpened;
222
223 /* arguments of the last handleDisplayResize() call */
224 void *mLastAddress;
225 uint32_t mLastBytesPerLine;
226 uint32_t mLastBitsPerPixel;
227 int mLastWidth;
228 int mLastHeight;
229
230 VBVAMEMORY *mpVbvaMemory;
231 bool mfVideoAccelEnabled;
232 bool mfVideoAccelVRDP;
233 uint32_t mfu32SupportedOrders;
234
235 int32_t volatile mcVideoAccelVRDPRefs;
236
237 VBVAMEMORY *mpPendingVbvaMemory;
238 bool mfPendingVideoAccelEnable;
239 bool mfMachineRunning;
240
241 uint8_t *mpu8VbvaPartial;
242 uint32_t mcbVbvaPartial;
243
244 bool vbvaFetchCmd (VBVACMDHDR **ppHdr, uint32_t *pcbCmd);
245 void vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd);
246
247 void handleResizeCompletedEMT (void);
248
249#ifdef VBOX_WITH_OLD_VBVA_LOCK
250 RTCRITSECT mVBVALock;
251 volatile uint32_t mfu32PendingVideoAccelDisable;
252
253 int vbvaLock(void);
254 void vbvaUnlock(void);
255
256public:
257 static int displayTakeScreenshotEMT(Display *pDisplay, ULONG aScreenId, uint8_t **ppu8Data, size_t *pcbData, uint32_t *pu32Width, uint32_t *pu32Height);
258
259private:
260 static void InvalidateAndUpdateEMT(Display *pDisplay);
261 static int drawToScreenEMT(Display *pDisplay, ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height);
262
263 int videoAccelRefreshProcess(void);
264
265 /* Functions run under VBVA lock. */
266 int videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory);
267 void videoAccelFlush (void);
268#endif /* VBOX_WITH_OLD_VBVA_LOCK */
269
270#ifdef VBOX_WITH_HGSMI
271 volatile uint32_t mu32UpdateVBVAFlags;
272#endif
273};
274
275void gdImageCopyResampled (uint8_t *dst, uint8_t *src,
276 int dstX, int dstY,
277 int srcX, int srcY,
278 int dstW, int dstH, int srcW, int srcH);
279
280
281#endif // ____H_DISPLAYIMPL
282/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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