VirtualBox

source: vbox/trunk/src/VBox/Main/include/DisplayImpl.h@ 31686

Last change on this file since 31686 was 31279, checked in by vboxsync, 14 years ago

Display: replaced floating point implementation of screenshot scaling with a faster integer.
  • 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 31279 2010-08-02 10:33:59Z 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 VBOX_SCRIPTABLE_IMPL(IDisplay)
97{
98public:
99
100 VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(Display, IDisplay)
101
102 DECLARE_NOT_AGGREGATABLE(Display)
103
104 DECLARE_PROTECT_FINAL_CONSTRUCT()
105
106 BEGIN_COM_MAP(Display)
107 COM_INTERFACE_ENTRY(ISupportErrorInfo)
108 COM_INTERFACE_ENTRY(IDisplay)
109 COM_INTERFACE_ENTRY2(IDispatch,IDisplay)
110 COM_INTERFACE_ENTRY(IEventListener)
111 END_COM_MAP()
112
113 DECLARE_EMPTY_CTOR_DTOR (Display)
114
115 HRESULT FinalConstruct();
116 void FinalRelease();
117
118 // public initializer/uninitializer for internal purposes only
119 HRESULT init (Console *aParent);
120 void uninit();
121 int registerSSM(PVM pVM);
122
123 // public methods only for internal purposes
124 int handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM, uint32_t cbLine, int w, int h);
125 void handleDisplayUpdate (int x, int y, int cx, int cy);
126#ifdef VBOX_WITH_VIDEOHWACCEL
127 void handleVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand);
128#endif
129 IFramebuffer *getFramebuffer()
130 {
131 return maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer;
132 }
133#ifdef MMSEAMLESS
134 int handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect);
135 int handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect);
136#endif
137
138 int VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory);
139 void VideoAccelFlush (void);
140
141 bool VideoAccelAllowed (void);
142
143#ifdef VBOX_WITH_VRDP
144 void VideoAccelVRDP (bool fEnable);
145#endif /* VBOX_WITH_VRDP */
146
147 // IEventListener methods
148 STDMETHOD(HandleEvent)(IEvent * aEvent);
149
150 // IDisplay methods
151 STDMETHOD(GetScreenResolution)(ULONG aScreenId, ULONG *aWidth, ULONG *aHeight, ULONG *aBitsPerPixel);
152 STDMETHOD(SetFramebuffer)(ULONG aScreenId, IFramebuffer *aFramebuffer);
153 STDMETHOD(GetFramebuffer)(ULONG aScreenId, IFramebuffer **aFramebuffer, LONG *aXOrigin, LONG *aYOrigin);
154 STDMETHOD(SetVideoModeHint)(ULONG width, ULONG height, ULONG bitsPerPixel, ULONG display);
155 STDMETHOD(TakeScreenShot)(ULONG aScreenId, BYTE *address, ULONG width, ULONG height);
156 STDMETHOD(TakeScreenShotToArray)(ULONG aScreenId, ULONG width, ULONG height, ComSafeArrayOut(BYTE, aScreenData));
157 STDMETHOD(DrawToScreen)(ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height);
158 STDMETHOD(InvalidateAndUpdate)();
159 STDMETHOD(ResizeCompleted)(ULONG aScreenId);
160 STDMETHOD(SetSeamlessMode)(BOOL enabled);
161
162 STDMETHOD(CompleteVHWACommand)(BYTE *pCommand);
163
164 static const PDMDRVREG DrvReg;
165
166private:
167
168 void updateDisplayData(void);
169
170 static DECLCALLBACK(int) changeFramebuffer(Display *that, IFramebuffer *aFB, unsigned uScreenId);
171
172 static DECLCALLBACK(void*) drvQueryInterface(PPDMIBASE pInterface, const char *pszIID);
173 static DECLCALLBACK(int) drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
174 static DECLCALLBACK(void) drvDestruct(PPDMDRVINS pDrvIns);
175 static DECLCALLBACK(int) displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy);
176 static DECLCALLBACK(void) displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
177 uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
178 static DECLCALLBACK(void) displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
179 static DECLCALLBACK(void) displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
180 static DECLCALLBACK(void) displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
181 static DECLCALLBACK(void) displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize);
182 static DECLCALLBACK(void) displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId);
183
184#ifdef VBOX_WITH_VIDEOHWACCEL
185 static DECLCALLBACK(void) displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand);
186#endif
187
188#ifdef VBOX_WITH_HGSMI
189 static DECLCALLBACK(int) displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags);
190 static DECLCALLBACK(void) displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
191 static DECLCALLBACK(void) displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
192 static DECLCALLBACK(void) displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, const PVBVACMDHDR pCmd, size_t cbCmd);
193 static DECLCALLBACK(void) displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y, uint32_t cx, uint32_t cy);
194 static DECLCALLBACK(int) displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM);
195 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);
196#endif
197
198
199 static DECLCALLBACK(void) displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser);
200 static DECLCALLBACK(int) displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
201 static DECLCALLBACK(void) displaySSMSave(PSSMHANDLE pSSM, void *pvUser);
202 static DECLCALLBACK(int) displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
203
204 Console * const mParent;
205 /** Pointer to the associated display driver. */
206 struct DRVMAINDISPLAY *mpDrv;
207 /** Pointer to the device instance for the VMM Device. */
208 PPDMDEVINS mpVMMDev;
209 /** Set after the first attempt to find the VMM Device. */
210 bool mfVMMDevInited;
211
212 unsigned mcMonitors;
213 DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
214
215 bool mFramebufferOpened;
216
217 /* arguments of the last handleDisplayResize() call */
218 void *mLastAddress;
219 uint32_t mLastBytesPerLine;
220 uint32_t mLastBitsPerPixel;
221 int mLastWidth;
222 int mLastHeight;
223
224 VBVAMEMORY *mpVbvaMemory;
225 bool mfVideoAccelEnabled;
226 bool mfVideoAccelVRDP;
227 uint32_t mfu32SupportedOrders;
228
229 int32_t volatile mcVideoAccelVRDPRefs;
230
231 VBVAMEMORY *mpPendingVbvaMemory;
232 bool mfPendingVideoAccelEnable;
233 bool mfMachineRunning;
234
235 uint8_t *mpu8VbvaPartial;
236 uint32_t mcbVbvaPartial;
237
238 bool vbvaFetchCmd (VBVACMDHDR **ppHdr, uint32_t *pcbCmd);
239 void vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd);
240
241 void handleResizeCompletedEMT (void);
242
243#ifdef VBOX_WITH_OLD_VBVA_LOCK
244 RTCRITSECT mVBVALock;
245 volatile uint32_t mfu32PendingVideoAccelDisable;
246
247 int vbvaLock(void);
248 void vbvaUnlock(void);
249
250public:
251 static int displayTakeScreenshotEMT(Display *pDisplay, ULONG aScreenId, uint8_t **ppu8Data, size_t *pcbData, uint32_t *pu32Width, uint32_t *pu32Height);
252
253private:
254 static void InvalidateAndUpdateEMT(Display *pDisplay);
255 static int drawToScreenEMT(Display *pDisplay, ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height);
256
257 int videoAccelRefreshProcess(void);
258
259 /* Functions run under VBVA lock. */
260 int videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory);
261 void videoAccelFlush (void);
262#endif /* VBOX_WITH_OLD_VBVA_LOCK */
263
264#ifdef VBOX_WITH_HGSMI
265 volatile uint32_t mu32UpdateVBVAFlags;
266#endif
267};
268
269void gdImageCopyResampled (uint8_t *dst, uint8_t *src,
270 int dstX, int dstY,
271 int srcX, int srcY,
272 int dstW, int dstH, int srcW, int srcH);
273
274
275void BitmapScale32 (uint8_t *dst,
276 int dstW, int dstH,
277 const uint8_t *src,
278 int iDeltaLine,
279 int srcW, int srcH);
280
281#endif // ____H_DISPLAYIMPL
282/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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