#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 getFramebufferDimensions(int32_t *px1, int32_t *py1, int32_t *px2,

int32_t *py2);

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