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/* $Id: DisplayImpl.h 28800 2010-04-27 08:22:32Z vboxsync $ */
/** @file
* VBox frontends: Basic Frontend (BFE):
* Declaration of Display class
*/
/*
* Copyright (C) 2006-2007 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef ____H_DISPLAYIMPL
#define ____H_DISPLAYIMPL
#include <iprt/semaphore.h>
#include <VBox/pdm.h>
#include "Framebuffer.h"
struct VBVACMDHDR;
class Display
{
public:
Display();
~Display();
// public methods only for internal purposes
int handleDisplayResize (int w, int h);
void handleDisplayUpdate (int x, int y, int cx, int cy);
int VideoAccelEnable (bool fEnable, struct VBVAMEMORY *pVbvaMemory);
void VideoAccelFlush (void);
bool VideoAccelAllowed (void);
void updatePointerShape(bool fVisible, bool fAlpha, uint32_t xHot, uint32_t yHot, uint32_t width, uint32_t height, void *pShape);
void SetVideoModeHint(ULONG aWidth, ULONG aHeight, ULONG aBitsPerPixel, ULONG aDisplay);
static const PDMDRVREG DrvReg;
uint32_t getWidth();
uint32_t getHeight();
uint32_t getBitsPerPixel();
STDMETHODIMP SetFramebuffer(unsigned iScreenID, Framebuffer *Framebuffer);
STDMETHODIMP InvalidateAndUpdate();
STDMETHODIMP ResizeCompleted();
STDMETHODIMP GetScreenResolution(ULONG aScreenId, ULONG *aWidth, ULONG *aHeight, ULONG *aBitsPerPixel);
void resetFramebuffer();
void setRunning(void) { mfMachineRunning = true; };
private:
void updateDisplayData();
static DECLCALLBACK(void*) drvQueryInterface(PPDMIBASE pInterface, const char *pszIID);
static DECLCALLBACK(int) drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
static DECLCALLBACK(int) displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy);
static DECLCALLBACK(void) displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
static DECLCALLBACK(void) displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
static DECLCALLBACK(void) displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
static DECLCALLBACK(void) displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
static DECLCALLBACK(void) displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize);
static DECLCALLBACK(void) displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId);
static DECLCALLBACK(void) doInvalidateAndUpdate(struct DRVMAINDISPLAY *mpDrv);
/** Pointer to the associated display driver. */
struct DRVMAINDISPLAY *mpDrv;
Framebuffer *mFramebuffer;
bool mFramebufferOpened;
ULONG mSupportedAccelOps;
struct VBVAMEMORY *mpVbvaMemory;
bool mfVideoAccelEnabled;
struct VBVAMEMORY *mpPendingVbvaMemory;
bool mfPendingVideoAccelEnable;
bool mfMachineRunning;
uint8_t *mpu8VbvaPartial;
uint32_t mcbVbvaPartial;
bool vbvaFetchCmd (struct VBVACMDHDR **ppHdr, uint32_t *pcbCmd);
void vbvaReleaseCmd (struct VBVACMDHDR *pHdr, int32_t cbCmd);
void handleResizeCompletedEMT (void);
volatile uint32_t mu32ResizeStatus;
enum {
ResizeStatus_Void,
ResizeStatus_InProgress,
ResizeStatus_UpdateDisplayData
};
};
extern Display *gDisplay;
#endif // !____H_DISPLAYIMPL
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