VOID vUninitializePalette(PDEV* ppdev)
{
// Delete the default palette if we created one:
if (ppdev->hpalDefault != 0)
EngDeletePalette(ppdev->hpalDefault);
}
VOID DrvDisablePDEV(DHPDEV dhpdev)
{
PPDEV ppdev;
ppdev = (PPDEV) dhpdev;
DISPDBG((2, "disabling PDEV\n"));
EngDeletePalette(devinfoVGA.hpalDefault);
// Free the preallocated saved screen bits buffer, if there is one.
if (ppdev->pjPreallocSSBBuffer != NULL)
{
EngFreeMem(ppdev->pjPreallocSSBBuffer);
}
// Free the conversion table buffer
if (ppdev->pucDIB4ToVGAConvBuffer != NULL)
{
EngFreeMem(ppdev->pucDIB4ToVGAConvBuffer);
}
// Delete the PDEV
EngFreeMem(dhpdev);
DISPDBG((2, "disabled PDEV\n"));
}
VOID vUninitializePalette(PDEV* ppdev)
{
// Delete the default palette if we created one:
if (ppdev->hpalDefault != 0)
EngDeletePalette(ppdev->hpalDefault);
if (ppdev->pPal != (PALETTEENTRY*) NULL)
EngFreeMem(ppdev->pPal);
}
void VBoxDispDestroyPalette(PVBOXDISPDEV pDev)
{
if (pDev->hDefaultPalette)
{
EngDeletePalette(pDev->hDefaultPalette);
pDev->hDefaultPalette = 0;
}
if (pDev->pPalette)
{
EngFreeMem(pDev->pPalette);
}
}
VOID vDisablePalette(PPDEV ppdev)
{
// Delete the default palette if we created one.
if (ppdev->hpalDefault)
{
EngDeletePalette(ppdev->hpalDefault);
ppdev->hpalDefault = (HPALETTE) 0;
}
if (ppdev->pPal != (PPALETTEENTRY)NULL)
EngFreeMem((PVOID)ppdev->pPal);
}
VOID vDisablePalette(PPDEV ppdev)
{
// Delete the default palette if we created one.
if (ppdev->hpalDefault)
{
EngDeletePalette(ppdev->hpalDefault);
ppdev->hpalDefault = (HPALETTE) 0;
}
// eVb: 4.2 [VGARISC Change] - VGA Palette is static, no need to free
#if 0
if (ppdev->pPal != (PPALETTEENTRY)NULL)
EngFreeMem((PVOID)ppdev->pPal);
#endif
// eVb: 4.2 [END]
}
VOID DrvDisablePDEV(DHPDEV dhpdev)
{
LPFAXDEV lpSrvFaxDev = (LPFAXDEV) dhpdev;
LOGDEBUG(("WOWFAX!DrvDisablePDEV, dhpdev %X\n", dhpdev));
if (ValidateFaxDev(lpSrvFaxDev)) {
if (lpSrvFaxDev->devinfo.hpalDefault) {
EngDeletePalette(lpSrvFaxDev->devinfo.hpalDefault);
}
EngFreeMem(lpSrvFaxDev);
LOGDEBUG(("WOWFAX!DrvDisablePDEV, deallocated lpSrvFaxDev: %X\n", lpSrvFaxDev));
}
else {
LOGDEBUG(("WOWFAX!DrvDisablePDEV, failed\n"));
}
return;
}
VOID vDisablePalette(PPDEV ppdev)
{
DISPBLTDBG ((1, "TGA.DLL!vDisablePaletteInfo - Entry\n"));
// Delete the default palette if we created one.
if (ppdev->hpalDefault)
{
EngDeletePalette (ppdev->hpalDefault);
ppdev->hpalDefault = NULL;
}
if (ppdev->pPal != (PPALETTEENTRY)NULL)
EngFreeMem ((PVOID)ppdev->pPal);
DISPBLTDBG ((1, "TGA.DLL!vDisablePaletteInfo - Exit\n"));
}
DHPDEV DrvEnablePDEV
(
DEVMODEW *pdrivw,
PWSTR pwszLogAddress,
ULONG cPatterns,
HSURF *ahsurfPatterns,
ULONG cjGdiInfo,
ULONG *pdevcaps,
ULONG cb,
PDEVINFO pdevinfo,
HDEV hdev, // HDEV, used for callbacks
PWSTR pwszDeviceName,
HANDLE hDriver // Handle to base driver
)
{
PPDEV ppdev;
DISPDBG((2, "enabling PDEV\n"));
//
// Define flag to keep track of allocation
//
ppdev = (PPDEV) EngAllocMem(0, sizeof(PDEV), ALLOC_TAG);
if (ppdev == NULL)
{
goto errorAllocPDEV;
}
memset(ppdev, 0, sizeof(PDEV));
//
// Identifier, for debugging purposes
//
ppdev->ident = PDEV_IDENT;
//
// Cache the device driver handle away for later use.
//
ppdev->hDriver = hDriver;
//
// Initialize the cursor stuff. We can violate the atomic rule here
// since nobody can talk to the driver yet.
//
ppdev->xyCursor.x = 320; // Non-atomic
ppdev->xyCursor.y = 240; // Non-atomic
ppdev->ptlExtent.x = 0;
ppdev->ptlExtent.y = 0;
ppdev->cExtent = 0;
ppdev->flCursor = CURSOR_DOWN;
//
// Get the current screen mode information. Set up device caps and devinfo.
//
if (!bInitPDEV(ppdev, pdrivw, &gaulCap, &devinfoVGA))
{
DISPDBG((1, "DrvEnablePDEV failed bInitPDEV\n"));
goto errorbInitPDEV;
}
cjGdiInfo=min(cjGdiInfo, sizeof(GDIINFO));
memcpy(pdevcaps, &gaulCap, cjGdiInfo);
// Now let's pass back the devinfo
devinfoVGA.hpalDefault = EngCreatePalette(PAL_INDEXED, 16,
(PULONG) (logPalVGA.palPalEntry),
0, 0, 0);
if (devinfoVGA.hpalDefault == (HPALETTE) 0)
{
goto errorEngCreatePalette;
}
*pdevinfo = devinfoVGA;
// Try to preallocate a saved screen bits buffer. If we fail, set the flag
// to indicate the buffer is in use, so that we'll never attempt to use it.
// If we succeed, mark the buffer as free.
if ((ppdev->pjPreallocSSBBuffer = (PUCHAR)
EngAllocMem(0, PREALLOC_SSB_SIZE, ALLOC_TAG)) != NULL)
{
ppdev->flPreallocSSBBufferInUse = FALSE;
ppdev->ulPreallocSSBSize = PREALLOC_SSB_SIZE;
}
else
{
ppdev->flPreallocSSBBufferInUse = TRUE;
}
// Fill in the DIB4->VGA conversion tables. Allow 256 extra bytes so that
// we can always safely align the tables to a 256-byte boundary, for
// look-up reasons. There are four tables, each 256 bytes long
ppdev->pucDIB4ToVGAConvBuffer =
(UCHAR *) EngAllocMem(0, (256*4+256)*sizeof(UCHAR), ALLOC_TAG);
if (ppdev->pucDIB4ToVGAConvBuffer == NULL)
{
goto errorAllocpucDIB4ToVGAConvBuffer;
}
// Round the table start up to the nearest 256 byte boundary, because the
// tables must start on 256-byte boundaries for look-up reasons
ppdev->pucDIB4ToVGAConvTables =
(UCHAR *) ((ULONG) (ppdev->pucDIB4ToVGAConvBuffer + 0xFF) & ~0xFF);
vSetDIB4ToVGATables(ppdev->pucDIB4ToVGAConvTables);
return((DHPDEV) ppdev);
errorAllocpucDIB4ToVGAConvBuffer:
//
// Free the preallocated saved screen bits buffer, if there is one.
//
if (ppdev->pjPreallocSSBBuffer != NULL)
{
EngFreeMem(ppdev->pjPreallocSSBBuffer);
}
EngDeletePalette(devinfoVGA.hpalDefault);
errorEngCreatePalette:
errorbInitPDEV:
EngFreeMem(ppdev);
errorAllocPDEV:
return((DHPDEV) 0);
UNREFERENCED_PARAMETER(cb);
UNREFERENCED_PARAMETER(pwszLogAddress);
UNREFERENCED_PARAMETER(pwszDeviceName);
}