VOID APIENTRY VBoxDispDrvDisableSurface(DHPDEV dhpdev)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV)dhpdev;
LOGF_ENTER();
if (pDev->surface.hSurface)
{
EngDeleteSurface(pDev->surface.hSurface);
pDev->surface.hSurface = NULL;
}
if (pDev->surface.psoBitmap)
{
Assert(pDev->surface.hBitmap);
EngUnlockSurface(pDev->surface.psoBitmap);
pDev->surface.psoBitmap = NULL;
}
if (pDev->surface.hBitmap)
{
EngDeleteSurface((HSURF) pDev->surface.hBitmap);
pDev->surface.hBitmap = NULL;
}
int rc;
rc = VBoxDispMPUnmapMemory(pDev);
VBOX_WARNRC(rc);
LOGF_LEAVE();
}
VOID DrvDeleteDeviceBitmap(
DHSURF dhsurf)
{
DSURF* pdsurf;
PDEV* ppdev;
SURFOBJ* psoDib;
HSURF hsurfDib;
pdsurf = (DSURF*) dhsurf;
ppdev = pdsurf->ppdev;
if (pdsurf->dt == DT_SCREEN)
{
pohFree(ppdev, pdsurf->poh);
}
else
{
ASSERTDD(pdsurf->dt == DT_DIB, "Expected DIB type");
psoDib = pdsurf->pso;
// Get the hsurf from the SURFOBJ before we unlock it (it's not
// legal to dereference psoDib when it's unlocked):
hsurfDib = psoDib->hsurf;
EngUnlockSurface(psoDib);
EngDeleteSurface(hsurfDib);
}
EngFreeMem(pdsurf);
}
BOOL APIENTRY
IntEngLeave(PINTENG_ENTER_LEAVE EnterLeave)
{
POINTL SrcPoint;
BOOL Result = TRUE;
if (EnterLeave->OutputObj != EnterLeave->DestObj && NULL != EnterLeave->OutputObj)
{
if (! EnterLeave->ReadOnly)
{
SrcPoint.x = 0;
SrcPoint.y = 0;
if (EnterLeave->DestRect.left < 0)
{
SrcPoint.x = - EnterLeave->DestRect.left;
EnterLeave->DestRect.left = 0;
}
if (EnterLeave->DestObj->sizlBitmap.cx < EnterLeave->DestRect.right)
{
EnterLeave->DestRect.right = EnterLeave->DestObj->sizlBitmap.cx;
}
if (EnterLeave->DestRect.top < 0)
{
SrcPoint.y = - EnterLeave->DestRect.top;
EnterLeave->DestRect.top = 0;
}
if (EnterLeave->DestObj->sizlBitmap.cy < EnterLeave->DestRect.bottom)
{
EnterLeave->DestRect.bottom = EnterLeave->DestObj->sizlBitmap.cy;
}
if (SrcPoint.x < EnterLeave->OutputObj->sizlBitmap.cx &&
EnterLeave->DestRect.left <= EnterLeave->DestRect.right &&
EnterLeave->DestRect.left < EnterLeave->DestObj->sizlBitmap.cx &&
SrcPoint.y < EnterLeave->OutputObj->sizlBitmap.cy &&
EnterLeave->DestRect.top <= EnterLeave->DestRect.bottom &&
EnterLeave->DestRect.top < EnterLeave->DestObj->sizlBitmap.cy)
{
Result = GDIDEVFUNCS(EnterLeave->DestObj).CopyBits(
EnterLeave->DestObj,
EnterLeave->OutputObj,
EnterLeave->TrivialClipObj, NULL,
&EnterLeave->DestRect, &SrcPoint);
}
else
{
Result = TRUE;
}
}
EngUnlockSurface(EnterLeave->OutputObj);
EngDeleteSurface((HSURF)EnterLeave->OutputBitmap);
EngDeleteClip(EnterLeave->TrivialClipObj);
}
else
{
Result = TRUE;
}
return Result;
}
static VOID FreeDrawArea(DrawArea *drawarea)
{
if (drawarea->surf_obj) {
EngUnlockSurface(drawarea->surf_obj);
EngDeleteSurface(drawarea->bitmap);
drawarea->surf_obj = NULL;
}
}
BOOL bMoveDibToOffscreenDfbIfRoom(
PDEV* ppdev,
DSURF* pdsurf)
{
OH* poh;
SURFOBJ* pso;
RECTL rclDst;
POINTL ptlSrc;
HSURF hsurf;
ASSERTDD(pdsurf->dt == DT_DIB,
"Can't move a bitmap off-screen when it's already off-screen");
// If we're in full-screen mode, we can't move anything to off-screen
// memory:
if (!ppdev->bEnabled)
return(FALSE);
poh = pohAllocate(ppdev, pdsurf->sizl.cx, pdsurf->sizl.cy,
FLOH_ONLY_IF_ROOM);
if (poh == NULL)
{
// There wasn't any free room.
return(FALSE);
}
// 'pdsurf->sizl' is the actual bitmap dimension, not 'poh->cx' or
// 'poh->cy'.
rclDst.left = poh->x;
rclDst.top = poh->y;
rclDst.right = rclDst.left + pdsurf->sizl.cx;
rclDst.bottom = rclDst.top + pdsurf->sizl.cy;
ptlSrc.x = 0;
ptlSrc.y = 0;
vPutBits(ppdev, pdsurf->pso, &rclDst, &ptlSrc);
// Update the data structures to reflect the new off-screen node:
pso = pdsurf->pso;
pdsurf->dt = DT_SCREEN;
pdsurf->poh = poh;
poh->pdsurf = pdsurf;
// Now free the DIB. Get the hsurf from the SURFOBJ before we unlock
// it (it's not legal to dereference psoDib when it's unlocked):
hsurf = pso->hsurf;
EngUnlockSurface(pso);
EngDeleteSurface(hsurf);
return(TRUE);
}
VOID DrvDisableSurface(
DHPDEV dhpdev)
{
PDEV* ppdev;
HSURF hsurf;
ppdev = (PDEV*) dhpdev;
// Note: In an error case, some of the following relies on the
// fact that the PDEV is zero-initialized, so fields like
// 'hsurfScreen' will be zero unless the surface has been
// sucessfully initialized, and makes the assumption that
// EngDeleteSurface can take '0' as a parameter.
vDisableHardware(ppdev);
hsurf = ppdev->pso->hsurf;
EngUnlockSurface(ppdev->pso);
EngDeleteSurface(hsurf);
}
BOOL bSetSimPointerShape (
SURFOBJ *pso,
SURFOBJ *psoMask,
SURFOBJ *psoColor,
XLATEOBJ *pxlo,
LONG x,
LONG y,
FLONG fl )
{
PPDEV ppdev = (PPDEV) pso->dhpdev;
PVIDEO_POINTER_ATTRIBUTES pPointerAttributes = ppdev->pPointerAttributes;
ULONG cxSrc, cySrc, cxSrcBytes;
ULONG ulOffset;
HSURF hsurf;
SIZEL sizl;
ULONG ulBitmapType;
FLONG flBitmap;
SURFOBJ *psoSrc;
SURFOBJ *psoDst;
RECTL prclDst;
POINTL pptlSrc;
XLATEOBJ xlo;
ULONG ulXlate[2];
if (!(ppdev->flCaps & CAPS_NEED_SW_POINTER)) {
return FALSE;
} /* endif */
//
// Check if we have enough off-screen memory to hold the screen image underneath
// the new pointer
//
cxSrc = psoMask->sizlBitmap.cx;
cySrc = psoMask->sizlBitmap.cy >> 1;
cxSrcBytes = (cxSrc + 7) / 8;
ulOffset = ppdev->cyScreen * ppdev->lDeltaScreen;
ulOffset += 64; // skip over solid color pattern used in bitblt.c
ulOffset += 1024; // skip over hardware pointer bitmap
if ((ppdev->cScreenSize < ulOffset + cxSrc * cySrc * (ppdev->ulBitCount/8)) ||
(psoMask->iType & STYPE_BITMAP) ||
(!(psoMask->fjBitmap & BMF_TOPDOWN))) {
return FALSE;
} /* endif */
//
// Update the attributes of pointer
//
pPointerAttributes->Width = cxSrc;
pPointerAttributes->Height = cySrc;
pPointerAttributes->WidthInBytes = cxSrcBytes;
//
// Discard the old pointer
//
if (ppdev->hsurfMask != NULL) {
EngDeleteSurface(ppdev->hsurfMask);
EngDeleteSurface(ppdev->hsurfColor);
} /* endif */
//
// Create a copy of mask bitmap
//
sizl.cx = cxSrc;
sizl.cy = cySrc;
flBitmap = BMF_TOPDOWN;
prclDst.top = 0;
prclDst.bottom = cySrc;
prclDst.left = 0;
prclDst.right = cxSrc;
psoSrc = psoMask;
ulBitmapType = BMF_1BPP;
pptlSrc.x = 0;
pptlSrc.y = 0;
if (NULL == (hsurf = (HSURF) EngCreateBitmap(sizl,
0, // Let GDI choose ulWidth
ulBitmapType,
flBitmap,
NULL))) { // Let GDI allocate
return FALSE;
} else {
ppdev->hsurfMask = hsurf;
} /* endif */
psoDst = EngLockSurface(ppdev->hsurfMask);
if (!EngCopyBits(psoDst, // Target surface
psoSrc, // Source surface
(CLIPOBJ *) NULL, // Clip through this
(XLATEOBJ *) NULL, // Color translation
&prclDst, // Target offset and extent
&pptlSrc)) { // Source offset
EngDeleteSurface(ppdev->hsurfMask);
return FALSE;
} /* endif */
EngUnlockSurface(psoDst);
//
// Create a copy of pointer bitmap
//
ulBitmapType = pso->iBitmapFormat;
if (psoColor == (SURFOBJ *) NULL) {
//
// Use second half of mask bitmap if it is monochrome
//
pPointerAttributes->Flags |= VIDEO_MODE_MONO_POINTER;
pPointerAttributes->Flags &= ~VIDEO_MODE_COLOR_POINTER;
psoSrc = psoMask;
pptlSrc.x = 0;
pptlSrc.y = cySrc;
//
// Create the translation table for monochrome-to-color conversion
//
pxlo = &xlo;
xlo.iUniq = 0;
xlo.flXlate = XO_TABLE;
xlo.iSrcType = PAL_INDEXED;
xlo.iDstType = (ppdev->ulBitCount == 8) ? PAL_INDEXED : PAL_RGB;
xlo.cEntries = 2;
xlo.pulXlate = (ULONG *)ulXlate;
ulXlate[0] = 0x00000000; // Black
ulXlate[1] = (ppdev->ulBitCount == 8) ? 0x000000FF : 0x00FFFFFF; // White
} else {
pPointerAttributes->Flags &= ~VIDEO_MODE_MONO_POINTER;
pPointerAttributes->Flags |= VIDEO_MODE_COLOR_POINTER;
psoSrc = psoColor;
pptlSrc.x = 0;
pptlSrc.y = 0;
} /* endif */
if (NULL == (hsurf = (HSURF) EngCreateBitmap(sizl,
0, // Let GDI choose ulWidth
ulBitmapType,
flBitmap,
NULL))) { // Let GDI allocate
EngDeleteSurface(ppdev->hsurfMask);
return FALSE;
} else {
ppdev->hsurfColor = hsurf;
} /* endif */
psoDst = EngLockSurface(ppdev->hsurfColor);
if (!EngCopyBits(psoDst, // Target surface
psoSrc, // Source surface
(CLIPOBJ *) NULL, // Clip through this
pxlo, // Color translation
&prclDst, // Target offset and extent
&pptlSrc)) { // Source offset
EngDeleteSurface(ppdev->hsurfMask);
EngDeleteSurface(ppdev->hsurfColor);
return FALSE;
} /* endif */
EngUnlockSurface(psoDst);
return TRUE;
}
VOID vShowSimPointer (
PPDEV ppdev,
SURFOBJ *pso,
RECTL *prcl,
BOOL bShow )
{
PVIDEO_POINTER_ATTRIBUTES pPointerAttributes = ppdev->pPointerAttributes;
RECTL rclScreen, rclPointer;
POINTL ptlPointerOffset;
ULONG ulOffset;
BOOL b;
SURFOBJ *psoMask;
SURFOBJ *psoColor;
ulOffset = ppdev->cyScreen * ppdev->lDeltaScreen;
ulOffset += 64; // skip over solid color pattern used in bitblt.c
ulOffset += 1024; // skip over hardware pointer bitmap
if (bShow) {
rclScreen.top = 0;
rclScreen.bottom = ppdev->cyScreen;
rclScreen.left = 0;
rclScreen.right = ppdev->cxScreen;
rclPointer.top = pPointerAttributes->Row - ppdev->ptlHotSpot.y;
rclPointer.bottom = rclPointer.top + pPointerAttributes->Height;
rclPointer.left = pPointerAttributes->Column - ppdev->ptlHotSpot.x;
rclPointer.right = rclPointer.left + pPointerAttributes->Width;
//
// Trim down the simulation cursor beyond the screen
//
if (bIntersect(&rclScreen, &rclPointer, &ppdev->rclPrevPointer)) {
prcl->top = ppdev->rclPrevPointer.top;
prcl->bottom = ppdev->rclPrevPointer.bottom;
prcl->left = ppdev->rclPrevPointer.left;
prcl->right = ppdev->rclPrevPointer.right;
ptlPointerOffset.x = (rclPointer.left >= 0) ? 0 : (rclPointer.left * (-1));
ptlPointerOffset.y = (rclPointer.top >= 0) ? 0 : (rclPointer.top * (-1));
//
// Save the screen image where the pointer affects
//
vHwSaveScreen(ppdev, &ppdev->rclPrevPointer, ulOffset);
//
// Draw the pointer
//
// Note: Clipping the transparent portion of pointer is required for
// better performance.
//
if ((pso != NULL) && (pso->iType == STYPE_DEVICE))
pso = (SURFOBJ *)(((PPDEV)(pso->dhpdev))->pSurfObj);
psoMask = EngLockSurface(ppdev->hsurfMask);
psoColor = EngLockSurface(ppdev->hsurfColor);
b = EngBitBlt(pso, // Target surface
psoColor, // Source surface
psoMask, // Mask
(CLIPOBJ *) NULL, // Clip through this
(XLATEOBJ *) NULL, // Color translation
prcl, // Target offset and extent
&ptlPointerOffset, // Source offset
&ptlPointerOffset, // Mask offset
(BRUSHOBJ *) NULL, // Brush data (from cbRealizeBrush)
(POINTL *) NULL, // Brush offset (origin)
0x0000CC66); // Raster operation
EngUnlockSurface(psoMask);
EngUnlockSurface(psoColor);
} else {
//
// The entire pointer is outside of screen
//
pPointerAttributes->Enable = 0;
} /* endif */
} else {
//
// Restore the screen image corrupted by the simulation pointer
//
vHwRestoreScreen(ppdev, &ppdev->rclPrevPointer, ulOffset);
} /* endif */
}
HBITMAP APIENTRY VBoxDispDrvDeriveSurface(DD_DIRECTDRAW_GLOBAL *pDirectDraw, DD_SURFACE_LOCAL *pSurface)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV)pDirectDraw->dhpdev;
LOGF_ENTER();
if (pSurface->ddsCaps.dwCaps & DDSCAPS_NONLOCALVIDMEM)
{
WARN(("Can't derive surface DDSCAPS_NONLOCALVIDMEM"));
return NULL;
}
if (pSurface->lpSurfMore->ddsCapsEx.dwCaps2 & DDSCAPS2_TEXTUREMANAGE)
{
WARN(("Can't derive surface DDSCAPS2_TEXTUREMANAGE"));
return NULL;
}
if (pSurface->lpGbl->ddpfSurface.dwRGBBitCount != pDev->mode.ulBitsPerPel)
{
WARN(("Can't derive surface with different bpp"));
return NULL;
}
Assert(pDev->surface.hSurface);
/* Create GDI managed bitmap, which resides in our DDraw heap memory */
HBITMAP hBitmap;
SIZEL size;
size.cx = pDev->mode.ulWidth;
size.cy = pDev->mode.ulHeight;
hBitmap = EngCreateBitmap(size, pSurface->lpGbl->lPitch, pDev->surface.ulFormat,
pDev->mode.lScanlineStride>0 ? BMF_TOPDOWN:0,
(PBYTE)pDev->memInfo.VideoRamBase + pSurface->lpGbl->fpVidMem);
if (!hBitmap)
{
WARN(("EngCreateBitmap failed"));
return 0;
}
if (pSurface->lpGbl->fpVidMem == 0)
{
/* Screen surface, mark it so it will be recognized by the driver.
* so the driver will be called on any operations on the surface
* (required for VBVA and VRDP).
*/
SURFOBJ *pso;
if (!EngAssociateSurface((HSURF)hBitmap, pDev->hDevGDI, pDev->flDrawingHooks))
{
WARN(("EngAssociateSurface failed"));
EngDeleteSurface((HSURF)hBitmap);
return NULL;
}
pso = EngLockSurface((HSURF)hBitmap);
if (!pso)
{
WARN(("EngLockSurface failed"));
EngDeleteSurface((HSURF)hBitmap);
return NULL;
}
pso->dhpdev = (DHPDEV)pDev;
EngUnlockSurface(pso);
}
LOGF_LEAVE();
return hBitmap;
}
BOOL APIENTRY
IntEngEnter(PINTENG_ENTER_LEAVE EnterLeave,
SURFOBJ *psoDest,
RECTL *DestRect,
BOOL ReadOnly,
POINTL *Translate,
SURFOBJ **ppsoOutput)
{
LONG Exchange;
SIZEL BitmapSize;
POINTL SrcPoint;
LONG Width;
RECTL ClippedDestRect;
/* Normalize */
if (DestRect->right < DestRect->left)
{
Exchange = DestRect->left;
DestRect->left = DestRect->right;
DestRect->right = Exchange;
}
if (DestRect->bottom < DestRect->top)
{
Exchange = DestRect->top;
DestRect->top = DestRect->bottom;
DestRect->bottom = Exchange;
}
if (NULL != psoDest && STYPE_BITMAP != psoDest->iType &&
(NULL == psoDest->pvScan0 || 0 == psoDest->lDelta))
{
/* Driver needs to support DrvCopyBits, else we can't do anything */
SURFACE *psurfDest = CONTAINING_RECORD(psoDest, SURFACE, SurfObj);
if (!(psurfDest->flags & HOOK_COPYBITS))
{
return FALSE;
}
/* Allocate a temporary bitmap */
BitmapSize.cx = DestRect->right - DestRect->left;
BitmapSize.cy = DestRect->bottom - DestRect->top;
Width = WIDTH_BYTES_ALIGN32(BitmapSize.cx, BitsPerFormat(psoDest->iBitmapFormat));
EnterLeave->OutputBitmap = EngCreateBitmap(BitmapSize, Width,
psoDest->iBitmapFormat,
BMF_TOPDOWN | BMF_NOZEROINIT, NULL);
if (!EnterLeave->OutputBitmap)
{
DPRINT1("EngCreateBitmap() failed\n");
return FALSE;
}
*ppsoOutput = EngLockSurface((HSURF)EnterLeave->OutputBitmap);
if (*ppsoOutput == NULL)
{
EngDeleteSurface((HSURF)EnterLeave->OutputBitmap);
return FALSE;
}
EnterLeave->DestRect.left = 0;
EnterLeave->DestRect.top = 0;
EnterLeave->DestRect.right = BitmapSize.cx;
EnterLeave->DestRect.bottom = BitmapSize.cy;
SrcPoint.x = DestRect->left;
SrcPoint.y = DestRect->top;
ClippedDestRect = EnterLeave->DestRect;
if (SrcPoint.x < 0)
{
ClippedDestRect.left -= SrcPoint.x;
SrcPoint.x = 0;
}
if (psoDest->sizlBitmap.cx < SrcPoint.x + ClippedDestRect.right - ClippedDestRect.left)
{
ClippedDestRect.right = ClippedDestRect.left + psoDest->sizlBitmap.cx - SrcPoint.x;
}
if (SrcPoint.y < 0)
{
ClippedDestRect.top -= SrcPoint.y;
SrcPoint.y = 0;
}
if (psoDest->sizlBitmap.cy < SrcPoint.y + ClippedDestRect.bottom - ClippedDestRect.top)
{
ClippedDestRect.bottom = ClippedDestRect.top + psoDest->sizlBitmap.cy - SrcPoint.y;
}
EnterLeave->TrivialClipObj = EngCreateClip();
if (EnterLeave->TrivialClipObj == NULL)
{
EngUnlockSurface(*ppsoOutput);
EngDeleteSurface((HSURF)EnterLeave->OutputBitmap);
return FALSE;
}
EnterLeave->TrivialClipObj->iDComplexity = DC_TRIVIAL;
if (ClippedDestRect.left < (*ppsoOutput)->sizlBitmap.cx &&
0 <= ClippedDestRect.right &&
SrcPoint.x < psoDest->sizlBitmap.cx &&
ClippedDestRect.top <= (*ppsoOutput)->sizlBitmap.cy &&
0 <= ClippedDestRect.bottom &&
SrcPoint.y < psoDest->sizlBitmap.cy &&
! GDIDEVFUNCS(psoDest).CopyBits(
*ppsoOutput, psoDest,
EnterLeave->TrivialClipObj, NULL,
&ClippedDestRect, &SrcPoint))
{
EngDeleteClip(EnterLeave->TrivialClipObj);
EngUnlockSurface(*ppsoOutput);
EngDeleteSurface((HSURF)EnterLeave->OutputBitmap);
return FALSE;
}
EnterLeave->DestRect.left = DestRect->left;
EnterLeave->DestRect.top = DestRect->top;
EnterLeave->DestRect.right = DestRect->right;
EnterLeave->DestRect.bottom = DestRect->bottom;
Translate->x = - DestRect->left;
Translate->y = - DestRect->top;
}
else
{
Translate->x = 0;
Translate->y = 0;
*ppsoOutput = psoDest;
}
if (NULL != *ppsoOutput)
{
SURFACE* psurfOutput = CONTAINING_RECORD(*ppsoOutput, SURFACE, SurfObj);
if (0 != (psurfOutput->flags & HOOK_SYNCHRONIZE))
{
if (NULL != GDIDEVFUNCS(*ppsoOutput).SynchronizeSurface)
{
GDIDEVFUNCS(*ppsoOutput).SynchronizeSurface(*ppsoOutput, DestRect, 0);
}
else if (STYPE_BITMAP == (*ppsoOutput)->iType
&& NULL != GDIDEVFUNCS(*ppsoOutput).Synchronize)
{
GDIDEVFUNCS(*ppsoOutput).Synchronize((*ppsoOutput)->dhpdev, DestRect);
}
}
}
else return FALSE;
EnterLeave->DestObj = psoDest;
EnterLeave->OutputObj = *ppsoOutput;
EnterLeave->ReadOnly = ReadOnly;
return TRUE;
}