| 1 | /** @file
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| 2 | *
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| 3 | * VBox frontends: Basic Frontend (BFE):
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| 4 | * Declaration of VMDisplay 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 innotek GmbH
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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 as published by the Free Software Foundation,
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| 14 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 15 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 16 | * 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 VMDisplay
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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 | VMDisplay();
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| 34 | ~VMDisplay();
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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 RegisterExternalFramebuffer(Framebuffer *Framebuffer);
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| 54 | STDMETHODIMP InvalidateAndUpdate();
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| 55 | STDMETHODIMP ResizeCompleted();
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| 56 |
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| 57 | void resetFramebuffer();
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| 58 |
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| 59 |
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| 60 | private:
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| 61 |
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| 62 | void updateDisplayData();
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| 63 |
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| 64 | static DECLCALLBACK(void*) drvQueryInterface(PPDMIBASE pInterface, PDMINTERFACE enmInterface);
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| 65 | static DECLCALLBACK(int) drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfgHandle);
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| 66 | static DECLCALLBACK(int) displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy);
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| 67 | static DECLCALLBACK(void) displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
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| 68 | uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
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| 69 | static DECLCALLBACK(void) displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
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| 70 | static DECLCALLBACK(void) displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
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| 71 | static DECLCALLBACK(void) displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
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| 72 |
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| 73 | static DECLCALLBACK(void) doInvalidateAndUpdate(struct DRVMAINDISPLAY *mpDrv);
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| 74 | /** Pointer to the associated display driver. */
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| 75 | struct DRVMAINDISPLAY *mpDrv;
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| 76 |
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| 77 | Framebuffer *mFramebuffer;
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| 78 | bool mInternalFramebuffer, mFramebufferOpened;
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| 79 |
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| 80 | ULONG mSupportedAccelOps;
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| 81 | RTSEMEVENTMULTI mUpdateSem;
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| 82 |
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| 83 | struct _VBVAMEMORY *mpVbvaMemory;
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| 84 | bool mfVideoAccelEnabled;
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| 85 |
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| 86 | struct _VBVAMEMORY *mpPendingVbvaMemory;
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| 87 | bool mfPendingVideoAccelEnable;
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| 88 | bool mfMachineRunning;
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| 89 |
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| 90 | uint8_t *mpu8VbvaPartial;
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| 91 | uint32_t mcbVbvaPartial;
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| 92 |
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| 93 | bool vbvaFetchCmd (struct _VBVACMDHDR **ppHdr, uint32_t *pcbCmd);
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| 94 | void vbvaReleaseCmd (struct _VBVACMDHDR *pHdr, int32_t cbCmd);
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| 95 |
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| 96 | void handleResizeCompletedEMT (void);
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| 97 | volatile uint32_t mu32ResizeStatus;
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| 98 |
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| 99 | enum {
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| 100 | ResizeStatus_Void,
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| 101 | ResizeStatus_InProgress,
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| 102 | ResizeStatus_UpdateDisplayData
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| 103 | };
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| 104 | };
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| 105 |
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| 106 | extern VMDisplay *gDisplay;
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| 107 |
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| 108 | #endif // ____H_DISPLAYIMPL
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