1 | /* $Id: DisplayImpl.h 28800 2010-04-27 08:22:32Z vboxsync $ */
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2 | /** @file
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3 | * VBox frontends: Basic Frontend (BFE):
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4 | * Declaration of Display class
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5 | */
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6 |
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7 | /*
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8 | * Copyright (C) 2006-2007 Oracle Corporation
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9 | *
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10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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11 | * available from http://www.virtualbox.org. This file is free software;
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12 | * you can redistribute it and/or modify it under the terms of the GNU
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13 | * General Public License (GPL) as published by the Free Software
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14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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17 | */
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18 |
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19 | #ifndef ____H_DISPLAYIMPL
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20 | #define ____H_DISPLAYIMPL
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21 |
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22 | #include <iprt/semaphore.h>
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23 | #include <VBox/pdm.h>
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24 |
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25 | #include "Framebuffer.h"
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26 | struct VBVACMDHDR;
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27 |
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28 | class Display
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29 | {
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30 |
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31 | public:
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32 |
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33 | Display();
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34 | ~Display();
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35 |
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36 | // public methods only for internal purposes
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37 | int handleDisplayResize (int w, int h);
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38 | void handleDisplayUpdate (int x, int y, int cx, int cy);
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39 |
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40 | int VideoAccelEnable (bool fEnable, struct VBVAMEMORY *pVbvaMemory);
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41 | void VideoAccelFlush (void);
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42 | bool VideoAccelAllowed (void);
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43 |
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44 | void updatePointerShape(bool fVisible, bool fAlpha, uint32_t xHot, uint32_t yHot, uint32_t width, uint32_t height, void *pShape);
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45 | void SetVideoModeHint(ULONG aWidth, ULONG aHeight, ULONG aBitsPerPixel, ULONG aDisplay);
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46 |
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47 | static const PDMDRVREG DrvReg;
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48 |
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49 | uint32_t getWidth();
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50 | uint32_t getHeight();
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51 | uint32_t getBitsPerPixel();
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52 |
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53 | STDMETHODIMP SetFramebuffer(unsigned iScreenID, Framebuffer *Framebuffer);
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54 | STDMETHODIMP InvalidateAndUpdate();
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55 | STDMETHODIMP ResizeCompleted();
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56 | STDMETHODIMP GetScreenResolution(ULONG aScreenId, ULONG *aWidth, ULONG *aHeight, ULONG *aBitsPerPixel);
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57 |
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58 | void resetFramebuffer();
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59 |
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60 | void setRunning(void) { mfMachineRunning = true; };
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61 |
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62 |
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63 | private:
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64 |
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65 | void updateDisplayData();
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66 |
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67 | static DECLCALLBACK(void*) drvQueryInterface(PPDMIBASE pInterface, const char *pszIID);
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68 | static DECLCALLBACK(int) drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
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69 | static DECLCALLBACK(int) displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy);
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70 | static DECLCALLBACK(void) displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
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71 | uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
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72 | static DECLCALLBACK(void) displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
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73 | static DECLCALLBACK(void) displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
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74 | static DECLCALLBACK(void) displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
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75 | static DECLCALLBACK(void) displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize);
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76 | static DECLCALLBACK(void) displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId);
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77 |
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78 | static DECLCALLBACK(void) doInvalidateAndUpdate(struct DRVMAINDISPLAY *mpDrv);
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79 | /** Pointer to the associated display driver. */
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80 | struct DRVMAINDISPLAY *mpDrv;
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81 |
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82 | Framebuffer *mFramebuffer;
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83 | bool mFramebufferOpened;
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84 |
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85 | ULONG mSupportedAccelOps;
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86 |
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87 | struct VBVAMEMORY *mpVbvaMemory;
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88 | bool mfVideoAccelEnabled;
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89 |
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90 | struct VBVAMEMORY *mpPendingVbvaMemory;
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91 | bool mfPendingVideoAccelEnable;
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92 | bool mfMachineRunning;
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93 |
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94 | uint8_t *mpu8VbvaPartial;
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95 | uint32_t mcbVbvaPartial;
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96 |
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97 | bool vbvaFetchCmd (struct VBVACMDHDR **ppHdr, uint32_t *pcbCmd);
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98 | void vbvaReleaseCmd (struct VBVACMDHDR *pHdr, int32_t cbCmd);
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99 |
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100 | void handleResizeCompletedEMT (void);
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101 | volatile uint32_t mu32ResizeStatus;
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102 |
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103 | enum {
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104 | ResizeStatus_Void,
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105 | ResizeStatus_InProgress,
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106 | ResizeStatus_UpdateDisplayData
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107 | };
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108 | };
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109 |
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110 | extern Display *gDisplay;
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111 |
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112 | #endif // !____H_DISPLAYIMPL
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