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);
}
static BOOL CreateDrawArea(PDev *pdev, UINT8 *base_mem, ULONG format, UINT32 cx, UINT32 cy,
UINT32 stride, UINT32 surface_id)
{
SIZEL size;
DrawArea *drawarea;
size.cx = cx;
size.cy = cy;
drawarea = &GetSurfaceInfo(pdev, surface_id)->draw_area;
if (!(drawarea->bitmap = (HSURF)EngCreateBitmap(size, stride, format, 0, base_mem))) {
DEBUG_PRINT((pdev, 0, "%s: EngCreateBitmap failed\n", __FUNCTION__));
return FALSE;
}
if (!EngAssociateSurface(drawarea->bitmap, pdev->eng, 0)) {
DEBUG_PRINT((pdev, 0, "%s: EngAssociateSurface failed\n", __FUNCTION__));
goto error;
}
if (!(drawarea->surf_obj = EngLockSurface(drawarea->bitmap))) {
DEBUG_PRINT((pdev, 0, "%s: EngLockSurface failed\n", __FUNCTION__));
goto error;
}
drawarea->base_mem = base_mem;
return TRUE;
error:
EngDeleteSurface(drawarea->bitmap);
return FALSE;
}
VOID DrvDisableSurface(
DHPDEV dhpdev)
{
EngDeleteSurface(((PPDEV) dhpdev)->hsurfEng);
vDisableSURF((PPDEV) dhpdev);
((PPDEV) dhpdev)->hsurfEng = (HSURF) 0;
}
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);
}
/**
* This function is not exported, because it makes no sense for
* The driver to punt back to this function */
BOOL
APIENTRY
EngRealizeBrush(
BRUSHOBJ *pbo,
SURFOBJ *psoDst,
SURFOBJ *psoPattern,
SURFOBJ *psoMask,
XLATEOBJ *pxlo,
ULONG iHatch)
{
EBRUSHOBJ *pebo;
HBITMAP hbmpRealize;
SURFOBJ *psoRealize;
PSURFACE psurfRealize;
POINTL ptlSrc = {0, 0};
RECTL rclDest;
ULONG lWidth;
/* Calculate width in bytes of the realized brush */
lWidth = WIDTH_BYTES_ALIGN32(psoPattern->sizlBitmap.cx,
BitsPerFormat(psoDst->iBitmapFormat));
/* Allocate a bitmap */
hbmpRealize = EngCreateBitmap(psoPattern->sizlBitmap,
lWidth,
psoDst->iBitmapFormat,
BMF_NOZEROINIT,
NULL);
if (!hbmpRealize)
{
return FALSE;
}
/* Lock the bitmap */
psurfRealize = SURFACE_ShareLockSurface(hbmpRealize);
/* Already delete the pattern bitmap (will be kept until dereferenced) */
EngDeleteSurface((HSURF)hbmpRealize);
if (!psurfRealize)
{
return FALSE;
}
/* Copy the bits to the new format bitmap */
rclDest.left = rclDest.top = 0;
rclDest.right = psoPattern->sizlBitmap.cx;
rclDest.bottom = psoPattern->sizlBitmap.cy;
psoRealize = &psurfRealize->SurfObj;
EngCopyBits(psoRealize, psoPattern, NULL, pxlo, &rclDest, &ptlSrc);
pebo = CONTAINING_RECORD(pbo, EBRUSHOBJ, BrushObject);
pebo->pengbrush = (PVOID)psurfRealize;
return TRUE;
}
VOID DrvDisableSurface(DHPDEV dhpdev)
{
PPDEV ppdev = (PPDEV) dhpdev;
PDEVSURF pdsurf = ppdev->pdsurf;
PSAVED_SCREEN_BITS pSSB, pSSBNext;
DISPDBG((2, "disabling surface\n"));
// Free up banking-related stuff.
EngFreeMem(pdsurf->pBankSelectInfo);
if (pdsurf->pbiBankInfo != NULL) {
EngFreeMem(pdsurf->pbiBankInfo);
}
if (pdsurf->pbiBankInfo2RW != NULL) {
EngFreeMem(pdsurf->pbiBankInfo2RW);
}
if (pdsurf->pvBankBufferPlane0 != NULL) {
EngFreeMem(pdsurf->pvBankBufferPlane0);
}
if (ppdev->pPointerAttributes != NULL) {
EngFreeMem(ppdev->pPointerAttributes);
}
// Free any pending saved screen bit blocks.
pSSB = pdsurf->ssbList;
while (pSSB != (PSAVED_SCREEN_BITS) NULL) {
//
// Point to the next saved screen bits block
//
pSSBNext = (PSAVED_SCREEN_BITS) pSSB->pvNextSSB;
//
// Free the current block
//
EngFreeMem(pSSB);
pSSB = pSSBNext;
}
EngDeleteSurface((HSURF) ppdev->hsurfEng);
EngFreeMem(pdsurf); // free the surface
DISPDBG((2, "disabled surface\n"));
}
VOID DrvDisableSurface(
DHPDEV dhpdev
)
{
LPFAXDEV lpFaxDev = (LPFAXDEV)dhpdev;
LOGDEBUG(("WOWFAX!DrvDisableSurface, lpFaxDev: %X\n", lpFaxDev));
if (ValidateFaxDev(lpFaxDev)) {
if (lpFaxDev->hbm) {
EngDeleteSurface((HSURF)lpFaxDev->hbm);
lpFaxDev->hbm = 0;
return;
}
}
return;
}
HBITMAP CreateDeviceBitmap(PDev *pdev, SIZEL size, ULONG format, QXLPHYSICAL *phys_mem,
UINT8 **base_mem, UINT32 surface_id, UINT8 allocation_type)
{
UINT32 surface_format, depth;
HBITMAP hbitmap;
INT32 stride;
SurfaceInfo *surface_info;
DEBUG_PRINT((pdev, 9, "%s: %p: %d, (%dx%d), %d\n", __FUNCTION__, pdev, surface_id,
size.cx, size.cy, format));
surface_info = GetSurfaceInfo(pdev, surface_id);
if (!(hbitmap = EngCreateDeviceBitmap((DHSURF)surface_info, size, format))) {
DEBUG_PRINT((pdev, 0, "%s: EngCreateDeviceBitmap failed, pdev 0x%lx, surface_id=%d\n",
__FUNCTION__, pdev, surface_id));
goto out_error1;
}
if (!EngAssociateSurface((HSURF)hbitmap, pdev->eng, QXL_SURFACE_HOOKS)) {
DEBUG_PRINT((pdev, 0, "%s: EngAssociateSurface failed\n", __FUNCTION__));
goto out_error2;
}
surface_info->u.pdev = pdev;
surface_info->hbitmap = hbitmap;
surface_info->copy = NULL;
surface_info->size = size;
surface_info->bitmap_format = format;
if ((*base_mem = CreateSurfaceHelper(pdev, surface_id, size.cx, size.cy, format,
allocation_type, &stride, &surface_format,
phys_mem)) == NULL) {
DEBUG_PRINT((pdev, 0, "%s: failed, pdev 0x%lx, surface_id=%d\n",
__FUNCTION__, pdev, surface_id));
goto out_error2;
}
surface_info->stride = stride;
if (allocation_type != DEVICE_BITMAP_ALLOCATION_TYPE_SURF0) {
SendSurfaceCreateCommand(pdev, surface_id, size, surface_format, -stride, *phys_mem, 0);
}
return hbitmap;
out_error2:
EngDeleteSurface((HSURF)hbitmap);
out_error1:
return 0;
}
PVOID
NTAPI
EBRUSHOBJ_pvGetEngBrush(EBRUSHOBJ *pebo)
{
BOOL bResult;
if (!pebo->pengbrush)
{
bResult = EBRUSHOBJ_bRealizeBrush(pebo, FALSE);
if (!bResult)
{
if (pebo->pengbrush)
EngDeleteSurface(pebo->pengbrush);
pebo->pengbrush = NULL;
}
}
return pebo->pengbrush;
}
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 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;
}
HSURF DrvEnableSurface(
DHPDEV dhpdev)
{
PPDEV ppdev;
HSURF hsurf;
SIZEL sizl;
ULONG ulBitmapType;
FLONG flHooks;
// Create engine bitmap around frame buffer.
ppdev = (PPDEV) dhpdev;
if (!bInitSURF(ppdev, TRUE))
{
RIP("DISP DrvEnableSurface failed bInitSURF\n");
return(FALSE);
}
sizl.cx = ppdev->cxScreen;
sizl.cy = ppdev->cyScreen;
if (ppdev->ulBitCount == 8)
{
if (!bInit256ColorPalette(ppdev)) {
RIP("DISP DrvEnableSurface failed to init the 8bpp palette\n");
return(FALSE);
}
ulBitmapType = BMF_8BPP;
flHooks = HOOKS_BMF8BPP;
}
else if (ppdev->ulBitCount == 16)
{
ulBitmapType = BMF_16BPP;
flHooks = HOOKS_BMF16BPP;
}
else if (ppdev->ulBitCount == 24)
{
ulBitmapType = BMF_24BPP;
flHooks = HOOKS_BMF24BPP;
}
else
{
ulBitmapType = BMF_32BPP;
flHooks = HOOKS_BMF32BPP;
}
hsurf = (HSURF) EngCreateBitmap(sizl,
ppdev->lDeltaScreen,
ulBitmapType,
(ppdev->lDeltaScreen > 0) ? BMF_TOPDOWN : 0,
(PVOID) (ppdev->pjScreen));
if (hsurf == (HSURF) 0)
{
RIP("DISP DrvEnableSurface failed EngCreateBitmap\n");
return(FALSE);
}
if (!EngAssociateSurface(hsurf, ppdev->hdevEng, flHooks))
{
RIP("DISP DrvEnableSurface failed EngAssociateSurface\n");
EngDeleteSurface(hsurf);
return(FALSE);
}
ppdev->hsurfEng = hsurf;
return(hsurf);
}
OH* pohMoveOffscreenDfbToDib(
PDEV* ppdev,
OH* poh)
{
DSURF* pdsurf;
HBITMAP hbmDib;
SURFOBJ* pso;
RECTL rclDst;
POINTL ptlSrc;
DISPDBG((1, "Throwing out %li x %li at (%li, %li)!",
poh->cx, poh->cy, poh->x, poh->y));
pdsurf = poh->pdsurf;
ASSERTDD((poh->x != 0) || (poh->y != 0),
"Can't make the visible screen into a DIB");
ASSERTDD(pdsurf->dt != DT_DIB,
"Can't make a DIB into even more of a DIB");
hbmDib = EngCreateBitmap(pdsurf->sizl, 0, ppdev->iBitmapFormat,
BMF_TOPDOWN, NULL);
if (hbmDib)
{
if (EngAssociateSurface((HSURF) hbmDib, ppdev->hdevEng, 0))
{
pso = EngLockSurface((HSURF) hbmDib);
if (pso != NULL)
{
rclDst.left = 0;
rclDst.top = 0;
rclDst.right = pdsurf->sizl.cx;
rclDst.bottom = pdsurf->sizl.cy;
ptlSrc.x = poh->x;
ptlSrc.y = poh->y;
vGetBits(ppdev, pso, &rclDst, &ptlSrc);
pdsurf->dt = DT_DIB;
pdsurf->pso = pso;
// Don't even bother checking to see if this DIB should
// be put back into off-screen memory until the next
// heap 'free' occurs:
pdsurf->iUniq = ppdev->iHeapUniq;
pdsurf->cBlt = 0;
// Remove this node from the off-screen DFB list, and free
// it. 'pohFree' will never return NULL:
return(pohFree(ppdev, poh));
}
}
// Fail case:
EngDeleteSurface((HSURF) hbmDib);
}
return(NULL);
}
HBITMAP DrvCreateDeviceBitmap(
DHPDEV dhpdev,
SIZEL sizl,
ULONG iFormat)
{
PDEV* ppdev;
OH* poh;
DSURF* pdsurf;
HBITMAP hbmDevice;
FLONG flHooks;
ppdev = (PDEV*) dhpdev;
// If we're in full-screen mode, we hardly have any off-screen memory
// in which to allocate a DFB. LATER: We could still allocate an
// OH node and put the bitmap on the DIB DFB list for later promotion.
if (!ppdev->bEnabled)
return(0);
// We only support device bitmaps when we're in a fully accelerated
// mode:
if (ppdev->iBitmapFormat != BMF_8BPP)
return(0);
// We only support device bitmaps that are the same colour depth
// as our display.
//
// Actually, those are the only kind GDI will ever call us with,
// but we may as well check. Note that this implies you'll never
// get a crack at 1bpp bitmaps.
if (iFormat != ppdev->iBitmapFormat)
return(0);
poh = pohAllocate(ppdev, sizl.cx, sizl.cy, 0);
if (poh != NULL)
{
pdsurf = EngAllocMem(0, sizeof(DSURF), ALLOC_TAG);
if (pdsurf != NULL)
{
hbmDevice = EngCreateDeviceBitmap((DHSURF) pdsurf, sizl, iFormat);
if (hbmDevice != NULL)
{
flHooks = ppdev->flHooks;
#if SYNCHRONIZEACCESS_WORKS
{
// Setting the SYNCHRONIZEACCESS flag tells GDI that we
// want all drawing to the bitmaps to be synchronized (GDI
// is multi-threaded and by default does not synchronize
// device bitmap drawing -- it would be a Bad Thing for us
// to have multiple threads using the accelerator at the
// same time):
flHooks |= HOOK_SYNCHRONIZEACCESS;
}
#endif // SYNCHRONIZEACCESS_WORKS
if (EngAssociateSurface((HSURF) hbmDevice, ppdev->hdevEng,
flHooks))
{
pdsurf->dt = DT_SCREEN;
pdsurf->poh = poh;
pdsurf->sizl = sizl;
pdsurf->ppdev = ppdev;
poh->pdsurf = pdsurf;
return(hbmDevice);
}
EngDeleteSurface((HSURF) hbmDevice);
}
EngFreeMem(pdsurf);
}
pohFree(ppdev, poh);
}
return(0);
}
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;
}
/*
* @implemented
*/
ULONG
APIENTRY
EngSetPointerShape(
_In_ SURFOBJ *pso,
_In_opt_ SURFOBJ *psoMask,
_In_opt_ SURFOBJ *psoColor,
_In_opt_ XLATEOBJ *pxlo,
_In_ LONG xHot,
_In_ LONG yHot,
_In_ LONG x,
_In_ LONG y,
_In_ RECTL *prcl,
_In_ FLONG fl)
{
PDEVOBJ *ppdev;
GDIPOINTER *pgp;
LONG lDelta = 0;
HBITMAP hbmSave = NULL, hbmColor = NULL, hbmMask = NULL;
PSURFACE psurfSave = NULL, psurfColor = NULL, psurfMask = NULL;
RECTL rectl;
SIZEL sizel = {0, 0};
ASSERT(pso);
ppdev = GDIDEV(pso);
pgp = &ppdev->Pointer;
/* Handle the case where we have no XLATEOBJ */
if (pxlo == NULL)
pxlo = &gexloTrivial.xlo;
/* Do we have any bitmap at all? */
if (psoColor || psoMask)
{
/* Get the size of the new pointer */
if (psoColor)
{
sizel.cx = psoColor->sizlBitmap.cx;
sizel.cy = psoColor->sizlBitmap.cy;
}
else// if (psoMask)
{
sizel.cx = psoMask->sizlBitmap.cx;
sizel.cy = psoMask->sizlBitmap.cy / 2;
}
rectl.left = 0;
rectl.top = 0;
rectl.right = sizel.cx;
rectl.bottom = sizel.cy;
/* Calculate lDelta for our surfaces. */
lDelta = WIDTH_BYTES_ALIGN32(sizel.cx,
BitsPerFormat(pso->iBitmapFormat));
/* Create a bitmap for saving the pixels under the cursor. */
hbmSave = EngCreateBitmap(sizel,
lDelta,
pso->iBitmapFormat,
BMF_TOPDOWN | BMF_NOZEROINIT,
NULL);
psurfSave = SURFACE_ShareLockSurface(hbmSave);
if (!psurfSave) goto failure;
}
if (psoColor)
{
if (fl & SPS_ALPHA)
{
/* Always store the alpha cursor in RGB. */
EXLATEOBJ exloSrcRGB;
PEXLATEOBJ pexlo;
pexlo = CONTAINING_RECORD(pxlo, EXLATEOBJ, xlo);
EXLATEOBJ_vInitialize(&exloSrcRGB, pexlo->ppalSrc, &gpalRGB, 0, 0, 0);
hbmColor = EngCreateBitmap(psoColor->sizlBitmap,
WIDTH_BYTES_ALIGN32(sizel.cx, 32),
BMF_32BPP,
BMF_TOPDOWN | BMF_NOZEROINIT,
NULL);
psurfColor = SURFACE_ShareLockSurface(hbmColor);
if (!psurfColor) goto failure;
/* Now copy the given bitmap. */
rectl.bottom = psoColor->sizlBitmap.cy;
IntEngCopyBits(&psurfColor->SurfObj,
psoColor,
NULL,
&exloSrcRGB.xlo,
&rectl,
(POINTL*)&rectl);
EXLATEOBJ_vCleanup(&exloSrcRGB);
}
else
{
/* Color bitmap must have the same format as the dest surface */
if (psoColor->iBitmapFormat != pso->iBitmapFormat)
{
DPRINT1("Screen surface and cursor color bitmap format don't match!.\n");
goto failure;
}
/* Create a bitmap to copy the color bitmap to */
hbmColor = EngCreateBitmap(psoColor->sizlBitmap,
lDelta,
pso->iBitmapFormat,
BMF_TOPDOWN | BMF_NOZEROINIT,
NULL);
psurfColor = SURFACE_ShareLockSurface(hbmColor);
if (!psurfColor) goto failure;
/* Now copy the given bitmap. */
rectl.bottom = psoColor->sizlBitmap.cy;
IntEngCopyBits(&psurfColor->SurfObj,
psoColor,
NULL,
pxlo,
&rectl,
(POINTL*)&rectl);
}
}
/* Create a mask surface */
if (psoMask)
{
EXLATEOBJ exlo;
PPALETTE ppal;
lDelta = WIDTH_BYTES_ALIGN32(sizel.cx, BitsPerFormat(pso->iBitmapFormat));
/* Create a bitmap for the mask */
hbmMask = EngCreateBitmap(psoMask->sizlBitmap,
lDelta,
pso->iBitmapFormat,
BMF_TOPDOWN | BMF_NOZEROINIT,
NULL);
psurfMask = SURFACE_ShareLockSurface(hbmMask);
if (!psurfMask) goto failure;
/* Initialize an EXLATEOBJ */
ppal = PALETTE_ShareLockPalette(ppdev->devinfo.hpalDefault);
EXLATEOBJ_vInitialize(&exlo,
gppalMono,
ppal,
0,
RGB(0xff,0xff,0xff),
RGB(0,0,0));
/* Copy the mask bitmap */
rectl.bottom = psoMask->sizlBitmap.cy;
IntEngCopyBits(&psurfMask->SurfObj,
psoMask,
NULL,
&exlo.xlo,
&rectl,
(POINTL*)&rectl);
/* Cleanup */
EXLATEOBJ_vCleanup(&exlo);
if (ppal) PALETTE_ShareUnlockPalette(ppal);
}
/* Hide mouse pointer */
IntHideMousePointer(ppdev, pso);
/* Free old color bitmap */
if (pgp->psurfColor)
{
EngDeleteSurface(pgp->psurfColor->BaseObject.hHmgr);
SURFACE_ShareUnlockSurface(pgp->psurfColor);
pgp->psurfColor = NULL;
}
/* Free old mask bitmap */
if (pgp->psurfMask)
{
EngDeleteSurface(pgp->psurfMask->BaseObject.hHmgr);
SURFACE_ShareUnlockSurface(pgp->psurfMask);
pgp->psurfMask = NULL;
}
/* Free old save bitmap */
if (pgp->psurfSave)
{
EngDeleteSurface(pgp->psurfSave->BaseObject.hHmgr);
SURFACE_ShareUnlockSurface(pgp->psurfSave);
pgp->psurfSave = NULL;
}
/* See if we are being asked to hide the pointer. */
if (psoMask == NULL && psoColor == NULL)
{
/* We're done */
return SPS_ACCEPT_NOEXCLUDE;
}
/* Now set the new cursor */
pgp->psurfColor = psurfColor;
pgp->psurfMask = psurfMask;
pgp->psurfSave = psurfSave;
pgp->HotSpot.x = xHot;
pgp->HotSpot.y = yHot;
pgp->Size = sizel;
pgp->flags = fl;
if (x != -1)
{
ppdev->ptlPointer.x = x;
ppdev->ptlPointer.y = y;
IntShowMousePointer(ppdev, pso);
if (prcl != NULL)
{
prcl->left = x - pgp->HotSpot.x;
prcl->top = y - pgp->HotSpot.x;
prcl->right = prcl->left + pgp->Size.cx;
prcl->bottom = prcl->top + pgp->Size.cy;
}
}
else if (prcl != NULL)
{
prcl->left = prcl->top = prcl->right = prcl->bottom = -1;
}
return SPS_ACCEPT_NOEXCLUDE;
failure:
/* Cleanup surfaces */
if (hbmMask) EngDeleteSurface((HSURF)hbmMask);
if (psurfMask) SURFACE_ShareUnlockSurface(psurfMask);
if (hbmColor) EngDeleteSurface((HSURF)hbmColor);
if (psurfColor) SURFACE_ShareUnlockSurface(psurfColor);
if (hbmSave) EngDeleteSurface((HSURF)hbmSave);
if (psurfSave) SURFACE_ShareUnlockSurface(psurfSave);
return SPS_ERROR;
}
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;
}
HSURF DrvEnableSurface(DHPDEV dhpdev)
{
PPDEV ppdev;
PDEVSURF pdsurf;
DHSURF dhsurf;
HSURF hsurf;
DISPDBG((2, "enabling Surface\n"));
ppdev = (PPDEV) dhpdev;
//
// Initialize the VGA device into the selected mode which will also map
// the video frame buffer
//
if (!bInitVGA(ppdev, TRUE))
{
goto error_done;
}
dhsurf = (DHSURF) EngAllocMem(0, sizeof(DEVSURF), ALLOC_TAG);
if (dhsurf == (DHSURF) 0)
{
goto error_done;
}
pdsurf = (PDEVSURF) dhsurf;
pdsurf->ident = DEVSURF_IDENT;
pdsurf->flSurf = 0;
pdsurf->iFormat = BMF_PHYSDEVICE;
pdsurf->jReserved1 = 0;
pdsurf->jReserved2 = 0;
pdsurf->ppdev = ppdev;
pdsurf->sizlSurf.cx = ppdev->sizlSurf.cx;
pdsurf->sizlSurf.cy = ppdev->sizlSurf.cy;
pdsurf->lNextPlane = 0;
pdsurf->pvScan0 = ppdev->pjScreen;
pdsurf->pvBitmapStart = ppdev->pjScreen;
pdsurf->pvStart = ppdev->pjScreen;
pdsurf->pvConv = &ajConvertBuffer[0];
// Initialize pointer information.
//
// bInitPointer must be called before bInitSavedBits.
//
if (!bInitPointer(ppdev)) {
DISPDBG((0, "DrvEnablePDEV failed bInitPointer\n"));
goto error_clean;
}
if (!SetUpBanking(pdsurf, ppdev)) {
DISPDBG((0, "DrvEnablePDEV failed SetUpBanking\n"));
goto error_clean;
}
if ((hsurf = EngCreateDeviceSurface(dhsurf, ppdev->sizlSurf, BMF_4BPP)) ==
(HSURF) 0)
{
DISPDBG((0, "DrvEnablePDEV failed EngCreateDeviceSurface\n"));
goto error_clean;
}
//
// vInitSavedBits must be called after bInitPointer.
//
vInitSavedBits(ppdev);
if (EngAssociateSurface(hsurf, ppdev->hdevEng,
HOOK_BITBLT | HOOK_TEXTOUT | HOOK_STROKEPATH |
HOOK_COPYBITS | HOOK_PAINT | HOOK_FILLPATH
))
{
ppdev->hsurfEng = hsurf;
ppdev->pdsurf = pdsurf;
// Set up an empty saved screen block list
pdsurf->ssbList = NULL;
DISPDBG((2, "enabled surface\n"));
return(hsurf);
}
DISPDBG((0, "DrvEnablePDEV failed EngDeleteSurface\n"));
EngDeleteSurface(hsurf);
error_clean:
// We created the surface, so delete it
EngFreeMem(dhsurf);
error_done:
return((HSURF) 0);
}
