VirtualBox

source: vbox/trunk/src/VBox/Main/include/DisplayImpl.h@ 30714

Last change on this file since 30714 was 30714, checked in by vboxsync, 14 years ago

Main: remove SupportErrorInfo template magic
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 9.7 KB
Line 
1/* $Id: DisplayImpl.h 30714 2010-07-07 16:20:03Z 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 VirtualBoxSupportTranslation<Display>,
97 VBOX_SCRIPTABLE_IMPL(IDisplay)
98{
99public:
100
101 VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(Display, IDisplay)
102
103 DECLARE_NOT_AGGREGATABLE(Display)
104
105 DECLARE_PROTECT_FINAL_CONSTRUCT()
106
107 BEGIN_COM_MAP(Display)
108 COM_INTERFACE_ENTRY(ISupportErrorInfo)
109 COM_INTERFACE_ENTRY(IDisplay)
110 COM_INTERFACE_ENTRY2(IDispatch,IDisplay)
111 COM_INTERFACE_ENTRY(IEventListener)
112 END_COM_MAP()
113
114 DECLARE_EMPTY_CTOR_DTOR (Display)
115
116 HRESULT FinalConstruct();
117 void FinalRelease();
118
119 // public initializer/uninitializer for internal purposes only
120 HRESULT init (Console *aParent);
121 void uninit();
122 int registerSSM(PVM pVM);
123
124 // public methods only for internal purposes
125 int handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM, uint32_t cbLine, int w, int h);
126 void handleDisplayUpdate (int x, int y, int cx, int cy);
127#ifdef VBOX_WITH_VIDEOHWACCEL
128 void handleVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand);
129#endif
130 IFramebuffer *getFramebuffer()
131 {
132 return maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer;
133 }
134#ifdef MMSEAMLESS
135 int handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect);
136 int handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect);
137#endif
138
139 int VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory);
140 void VideoAccelFlush (void);
141
142 bool VideoAccelAllowed (void);
143
144#ifdef VBOX_WITH_VRDP
145 void VideoAccelVRDP (bool fEnable);
146#endif /* VBOX_WITH_VRDP */
147
148 // IEventListener methods
149 STDMETHOD(HandleEvent)(IEvent * aEvent);
150
151 // IDisplay methods
152 STDMETHOD(GetScreenResolution)(ULONG aScreenId, ULONG *aWidth, ULONG *aHeight, ULONG *aBitsPerPixel);
153 STDMETHOD(SetFramebuffer)(ULONG aScreenId, IFramebuffer *aFramebuffer);
154 STDMETHOD(GetFramebuffer)(ULONG aScreenId, IFramebuffer **aFramebuffer, LONG *aXOrigin, LONG *aYOrigin);
155 STDMETHOD(SetVideoModeHint)(ULONG width, ULONG height, ULONG bitsPerPixel, ULONG display);
156 STDMETHOD(TakeScreenShot)(ULONG aScreenId, BYTE *address, ULONG width, ULONG height);
157 STDMETHOD(TakeScreenShotToArray)(ULONG aScreenId, ULONG width, ULONG height, ComSafeArrayOut(BYTE, aScreenData));
158 STDMETHOD(DrawToScreen)(ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height);
159 STDMETHOD(InvalidateAndUpdate)();
160 STDMETHOD(ResizeCompleted)(ULONG aScreenId);
161 STDMETHOD(SetSeamlessMode)(BOOL enabled);
162
163 STDMETHOD(CompleteVHWACommand)(BYTE *pCommand);
164
165 static const PDMDRVREG DrvReg;
166
167private:
168
169 void updateDisplayData(void);
170
171 static DECLCALLBACK(int) changeFramebuffer(Display *that, IFramebuffer *aFB, unsigned uScreenId);
172
173 static DECLCALLBACK(void*) drvQueryInterface(PPDMIBASE pInterface, const char *pszIID);
174 static DECLCALLBACK(int) drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
175 static DECLCALLBACK(void) drvDestruct(PPDMDRVINS pDrvIns);
176 static DECLCALLBACK(int) displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy);
177 static DECLCALLBACK(void) displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
178 uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
179 static DECLCALLBACK(void) displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
180 static DECLCALLBACK(void) displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
181 static DECLCALLBACK(void) displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
182 static DECLCALLBACK(void) displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize);
183 static DECLCALLBACK(void) displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId);
184
185#ifdef VBOX_WITH_VIDEOHWACCEL
186 static DECLCALLBACK(void) displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand);
187#endif
188
189#ifdef VBOX_WITH_HGSMI
190 static DECLCALLBACK(int) displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags);
191 static DECLCALLBACK(void) displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
192 static DECLCALLBACK(void) displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
193 static DECLCALLBACK(void) displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, const PVBVACMDHDR pCmd, size_t cbCmd);
194 static DECLCALLBACK(void) displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y, uint32_t cx, uint32_t cy);
195 static DECLCALLBACK(int) displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM);
196 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);
197#endif
198
199
200 static DECLCALLBACK(void) displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser);
201 static DECLCALLBACK(int) displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
202 static DECLCALLBACK(void) displaySSMSave(PSSMHANDLE pSSM, void *pvUser);
203 static DECLCALLBACK(int) displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
204
205 Console * const mParent;
206 /** Pointer to the associated display driver. */
207 struct DRVMAINDISPLAY *mpDrv;
208 /** Pointer to the device instance for the VMM Device. */
209 PPDMDEVINS mpVMMDev;
210 /** Set after the first attempt to find the VMM Device. */
211 bool mfVMMDevInited;
212
213 unsigned mcMonitors;
214 DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
215
216 bool mFramebufferOpened;
217
218 /* arguments of the last handleDisplayResize() call */
219 void *mLastAddress;
220 uint32_t mLastBytesPerLine;
221 uint32_t mLastBitsPerPixel;
222 int mLastWidth;
223 int mLastHeight;
224
225 VBVAMEMORY *mpVbvaMemory;
226 bool mfVideoAccelEnabled;
227 bool mfVideoAccelVRDP;
228 uint32_t mfu32SupportedOrders;
229
230 int32_t volatile mcVideoAccelVRDPRefs;
231
232 VBVAMEMORY *mpPendingVbvaMemory;
233 bool mfPendingVideoAccelEnable;
234 bool mfMachineRunning;
235
236 uint8_t *mpu8VbvaPartial;
237 uint32_t mcbVbvaPartial;
238
239 bool vbvaFetchCmd (VBVACMDHDR **ppHdr, uint32_t *pcbCmd);
240 void vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd);
241
242 void handleResizeCompletedEMT (void);
243
244#ifdef VBOX_WITH_OLD_VBVA_LOCK
245 RTCRITSECT mVBVALock;
246 volatile uint32_t mfu32PendingVideoAccelDisable;
247
248 int vbvaLock(void);
249 void vbvaUnlock(void);
250
251public:
252 static int displayTakeScreenshotEMT(Display *pDisplay, ULONG aScreenId, uint8_t **ppu8Data, size_t *pcbData, uint32_t *pu32Width, uint32_t *pu32Height);
253
254private:
255 static void InvalidateAndUpdateEMT(Display *pDisplay);
256 static int drawToScreenEMT(Display *pDisplay, ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height);
257
258 int videoAccelRefreshProcess(void);
259
260 /* Functions run under VBVA lock. */
261 int videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory);
262 void videoAccelFlush (void);
263#endif /* VBOX_WITH_OLD_VBVA_LOCK */
264
265#ifdef VBOX_WITH_HGSMI
266 volatile uint32_t mu32UpdateVBVAFlags;
267#endif
268};
269
270void gdImageCopyResampled (uint8_t *dst, uint8_t *src,
271 int dstX, int dstY,
272 int srcX, int srcY,
273 int dstW, int dstH, int srcW, int srcH);
274
275
276#endif // ____H_DISPLAYIMPL
277/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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