reactos/win32ss/gdi/eng/bitblt_new.c

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#include <win32k.h>
#include "../diblib/DibLib_interface.h"
DBG_DEFAULT_CHANNEL(GdiFont);
#define SURFOBJ_flags(pso) (CONTAINING_RECORD(pso, SURFACE, SurfObj)->flags)
// FIXME this needs to be updated, once we use the new structure
extern XCLIPOBJ gxcoTrivial;
/*
{
{0, {LONG_MIN, LONG_MIN, LONG_MAX, LONG_MAX}, DC_TRIVIAL, FC_RECT, TC_RECTANGLES, 0},
0, 0, 0
};
*/
static
void
CalculateCoordinates(
PBLTDATA pbltdata,
PRECTL prclClipped,
PRECTL prclOrg,
PPOINTL pptlSrc,
PPOINTL pptlMask,
PPOINTL pptlPat,
PSIZEL psizlPat)
{
ULONG cx, cy;
/* Calculate width and height of this rect */
pbltdata->ulWidth = prclClipped->right - prclClipped->left;
pbltdata->ulHeight = prclClipped->bottom - prclClipped->top;
/* Calculate the x offset to the origin coordinates */
if (pbltdata->siDst.iFormat == 0)
cx = (prclClipped->right - 1 - prclOrg->left);
else
cx = (prclClipped->left - prclOrg->left);
/* Calculate the y offset to the origin coordinates */
if (pbltdata->dy < 0)
cy = (prclClipped->bottom - 1 - prclOrg->top);
else
cy = (prclClipped->top - prclOrg->top);
/* Calculate the target start point */
pbltdata->siDst.ptOrig.x = prclOrg->left + cx;
pbltdata->siDst.ptOrig.y = prclOrg->top + cy;
/* Calculate start position for target */
pbltdata->siDst.pjBase = pbltdata->siDst.pvScan0;
pbltdata->siDst.pjBase += pbltdata->siDst.ptOrig.y * pbltdata->siDst.lDelta;
pbltdata->siDst.pjBase += pbltdata->siDst.ptOrig.x * pbltdata->siDst.jBpp / 8;
if (pptlSrc)
{
/* Calculate start point and bitpointer for source */
pbltdata->siSrc.ptOrig.x = pptlSrc->x + cx;
pbltdata->siSrc.ptOrig.y = pptlSrc->y + cy;
pbltdata->siSrc.pjBase = pbltdata->siSrc.pvScan0;
pbltdata->siSrc.pjBase += pbltdata->siSrc.ptOrig.y * pbltdata->siSrc.lDelta;
pbltdata->siSrc.pjBase += pbltdata->siSrc.ptOrig.x * pbltdata->siSrc.jBpp / 8;
}
if (pptlMask)
{
/* Calculate start point and bitpointer for mask */
pbltdata->siMsk.ptOrig.x = pptlMask->x + cx;
pbltdata->siMsk.ptOrig.y = pptlMask->y + cy;
pbltdata->siMsk.pjBase = pbltdata->siMsk.pvScan0;
pbltdata->siMsk.pjBase += pbltdata->siMsk.ptOrig.y * pbltdata->siMsk.lDelta;
pbltdata->siMsk.pjBase += pbltdata->siMsk.ptOrig.x * pbltdata->siMsk.jBpp / 8;
}
if (pptlPat)
{
/* Calculate start point and bitpointer for pattern */
pbltdata->siPat.ptOrig.x = (pptlPat->x + cx) % psizlPat->cx;
pbltdata->siPat.ptOrig.y = (pptlPat->y + cy) % psizlPat->cy;
pbltdata->siPat.pjBase = pbltdata->siPat.pvScan0;
/* Check for bottom-up case */
if (pbltdata->dy < 0)
{
pbltdata->siPat.pjBase += (psizlPat->cy - 1) * pbltdata->siPat.lDelta;
pbltdata->siPat.ptOrig.y = psizlPat->cy - 1 - pbltdata->siPat.ptOrig.y;
}
/* Check for right-to-left case */
if (pbltdata->siDst.iFormat == 0)
{
pbltdata->siPat.pjBase += (psizlPat->cx - 1) * pbltdata->siMsk.jBpp / 8;
pbltdata->siPat.ptOrig.x = psizlPat->cx - 1 - pbltdata->siPat.ptOrig.x;
}
}
}
BOOL
APIENTRY
EngBitBlt(
_Inout_ SURFOBJ *psoTrg,
_In_opt_ SURFOBJ *psoSrc,
_In_opt_ SURFOBJ *psoMask,
_In_opt_ CLIPOBJ *pco,
_In_opt_ XLATEOBJ *pxlo,
_In_ RECTL *prclTrg,
_When_(psoSrc, _In_) POINTL *pptlSrc,
_When_(psoMask, _In_) POINTL *pptlMask,
_In_opt_ BRUSHOBJ *pbo,
_When_(pbo, _In_) POINTL *pptlBrush,
_In_ ROP4 rop4)
{
BLTDATA bltdata;
ULONG i, iFunctionIndex, iDirection = CD_ANY;
RECTL rcTrg;
PFN_DIBFUNCTION pfnBitBlt;
BOOL bEnumMore;
RECT_ENUM rcenum;
PSIZEL psizlPat;
SURFOBJ *psoPattern;
//static int count = 0;
//if (++count >= 1230) __debugbreak();
/* Sanity checks */
ASSERT(psoTrg);
ASSERT(psoTrg->iBitmapFormat >= BMF_1BPP);
ASSERT(psoTrg->iBitmapFormat <= BMF_32BPP);
ASSERT(prclTrg);
ASSERT(prclTrg->left >= 0);
ASSERT(prclTrg->top >= 0);
ASSERT(prclTrg->right <= psoTrg->sizlBitmap.cx);
ASSERT(prclTrg->bottom <= psoTrg->sizlBitmap.cy);
rcTrg = *prclTrg;
bltdata.dy = 1;
bltdata.rop4 = rop4;
bltdata.apfnDoRop[0] = gapfnRop[ROP4_BKGND(rop4)];
bltdata.apfnDoRop[1] = gapfnRop[ROP4_FGND(rop4)];
if (!pxlo) pxlo = &gexloTrivial.xlo;
bltdata.pxlo = pxlo;
bltdata.pfnXlate = XLATEOBJ_pfnXlate(pxlo);
/* Check if the ROP uses a source */
if (ROP4_USES_SOURCE(rop4))
{
/* Sanity checks */
ASSERT(psoSrc);
ASSERT(psoSrc->iBitmapFormat >= BMF_1BPP);
ASSERT(psoSrc->iBitmapFormat <= BMF_32BPP);
ASSERT(pptlSrc);
ASSERT(pptlSrc->x >= 0);
ASSERT(pptlSrc->y >= 0);
ASSERT(pptlSrc->x <= psoSrc->sizlBitmap.cx);
ASSERT(pptlSrc->y <= psoSrc->sizlBitmap.cy);
/* Check if source and target are equal */
if (psoSrc == psoTrg)
{
/* Analyze the copying direction */
if (rcTrg.top > pptlSrc->y)
{
/* Need to copy from bottom to top */
iDirection = rcTrg.left < pptlSrc->x ? CD_RIGHTUP : CD_LEFTUP;
bltdata.dy = -1;
}
else
iDirection = rcTrg.left < pptlSrc->x ? CD_RIGHTDOWN : CD_LEFTDOWN;
/* Check for special right to left case */
if ((rcTrg.top == pptlSrc->y) && (rcTrg.left > pptlSrc->x))
{
/* Use 0 as target format to get special right to left versions */
bltdata.siDst.iFormat = 0;
bltdata.siSrc.iFormat = psoSrc->iBitmapFormat;
//__debugbreak();
}
else
{
/* Use 0 as source format to get special equal surface versions */
bltdata.siDst.iFormat = psoTrg->iBitmapFormat;
bltdata.siSrc.iFormat = 0;
}
}
else
{
bltdata.siDst.iFormat = psoTrg->iBitmapFormat;
bltdata.siSrc.iFormat = psoSrc->iBitmapFormat;
}
/* Set the source format info */
bltdata.siSrc.pvScan0 = psoSrc->pvScan0;
bltdata.siSrc.lDelta = psoSrc->lDelta;
bltdata.siSrc.cjAdvanceY = bltdata.dy * psoSrc->lDelta;
bltdata.siSrc.jBpp = gajBitsPerFormat[psoSrc->iBitmapFormat];
}
else
{
bltdata.siDst.iFormat = psoTrg->iBitmapFormat;
}
/* Set the destination format info */
bltdata.siDst.pvScan0 = psoTrg->pvScan0;
bltdata.siDst.lDelta = psoTrg->lDelta;
bltdata.siDst.cjAdvanceY = bltdata.dy * psoTrg->lDelta;
bltdata.siDst.jBpp = gajBitsPerFormat[psoTrg->iBitmapFormat];
/* Check if the ROP uses a pattern / brush */
if (ROP4_USES_PATTERN(rop4))
{
/* Must have a brush */
NT_ASSERT(pbo); // FIXME: test this!
/* Copy the solid color */
bltdata.ulSolidColor = pbo->iSolidColor;
/* Check if this is a pattern brush */
if (pbo->iSolidColor == 0xFFFFFFFF)
{
/* Get the realized pattern bitmap */
psoPattern = BRUSHOBJ_psoPattern(pbo);
if (!psoPattern)
{
__debugbreak();
return FALSE;
}
/* Set the pattern format info */
bltdata.siPat.iFormat = psoPattern->iBitmapFormat;
bltdata.siPat.pvScan0 = psoPattern->pvScan0;
bltdata.siPat.lDelta = psoPattern->lDelta;
bltdata.siPat.cjAdvanceY = bltdata.dy * psoPattern->lDelta;
bltdata.siPat.jBpp = gajBitsPerFormat[psoPattern->iBitmapFormat];
bltdata.ulPatWidth = psoPattern->sizlBitmap.cx;
bltdata.ulPatHeight = psoPattern->sizlBitmap.cy;
psizlPat = &psoPattern->sizlBitmap;
}
else
{
pptlBrush = NULL;
psizlPat = NULL;
}
}
else
{
pptlBrush = NULL;
psizlPat = NULL;
}
/* Check if the ROP uses a mask */
if (ROP4_USES_MASK(rop4))
{
//__debugbreak();
/* Check if we don't have a mask surface */
if (psoMask == NULL)
{
/* Must have a brush */
NT_ASSERT(pbo); // FIXME: test this!
/* Check if the BRUSHOBJ can provide the mask */
psoMask = BRUSHOBJ_psoMask(pbo);
if (psoMask == NULL)
{
/* We have no mask, assume the mask is all foreground */
rop4 = (rop4 & 0xFF) || ((rop4 & 0xFF) << 8);
}
}
/* Set the mask format info */
bltdata.siMsk.iFormat = psoMask->iBitmapFormat;
bltdata.siMsk.pvScan0 = psoMask->pvScan0;
bltdata.siMsk.lDelta = psoMask->lDelta;
bltdata.siMsk.cjAdvanceY = bltdata.dy * psoMask->lDelta;
bltdata.siMsk.jBpp = 1;
/* Calculate the masking function index */
iFunctionIndex = ROP4_USES_PATTERN(rop4) ? 1 : 0;
iFunctionIndex |= ROP4_USES_SOURCE(rop4) ? 2 : 0;
iFunctionIndex |= ROP4_USES_DEST(rop4) ? 4 : 0;
/* Get the masking function */
pfnBitBlt = gapfnMaskFunction[iFunctionIndex];
}
else
{
/* Get the function index from the foreground ROP index*/
iFunctionIndex = gajIndexPerRop[ROP4_FGND(rop4)];
/* Get the dib function */
pfnBitBlt = gapfnDibFunction[iFunctionIndex];
}
/* If no clip object is given, use trivial one */
if (!pco) pco = (CLIPOBJ*)&gxcoTrivial;
/* Check if we need to enumerate rects */
if (pco->iDComplexity == DC_COMPLEX)
{
/* Start the enumeration of the clip object */
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, iDirection, 0);
bEnumMore = CLIPOBJ_bEnum(pco, sizeof(rcenum), (ULONG*)&rcenum);
}
else if (pco->iDComplexity == DC_RECT)
{
/* Use the clip bounds */
rcenum.arcl[0] = pco->rclBounds;
rcenum.c = 1;
bEnumMore = FALSE;
}
else
{
/* Use the target rect */
rcenum.arcl[0] = rcTrg;
rcenum.c = 1;
bEnumMore = FALSE;
}
/* Enter enumeration loop */
while (TRUE)
{
/* Loop all rectangles we got */
for (i = 0; i < rcenum.c; i++)
{
/* Intersect this rect with the target rect */
if (!RECTL_bIntersectRect(&rcenum.arcl[i], &rcenum.arcl[i], &rcTrg))
{
/* This rect is outside the bounds, continue */
continue;
}
/* Calculate coordinates and pointers */
CalculateCoordinates(&bltdata,
&rcenum.arcl[i],
prclTrg,
pptlSrc,
pptlMask,
pptlBrush,
psizlPat);
/* Call the dib function */
pfnBitBlt(&bltdata);
}
/* Bail out, when there's nothing more to do */
if(!bEnumMore) break;
/* Enumerate more rectangles */
bEnumMore = CLIPOBJ_bEnum(pco, sizeof(rcenum), (ULONG*)&rcenum);
}
return TRUE;
}
static
VOID
AdjustOffsetAndSize(
_Out_ PPOINTL pptOffset,
_Out_ PSIZEL psizTrg,
_In_ PPOINTL pptlSrc,
_In_ PSIZEL psizSrc)
{
LONG x, y, cxMax, cyMax;
x = pptlSrc->x + pptOffset->x;
if (x < 0) pptOffset->x -= x, x = 0;
cxMax = psizSrc->cx - x;
if (psizTrg->cx > cxMax) psizTrg->cx = cxMax;
y = pptlSrc->y + pptOffset->y;
if (y < 0) pptOffset->y -= y, y = 0;
cyMax = psizSrc->cy - y;
if (psizTrg->cy > cyMax) psizTrg->cy = cyMax;
}
BOOL
APIENTRY
IntEngBitBlt(
_Inout_ SURFOBJ *psoTrg,
_In_opt_ SURFOBJ *psoSrc,
_In_opt_ SURFOBJ *psoMask,
_In_opt_ CLIPOBJ *pco,
_In_opt_ XLATEOBJ *pxlo,
_In_ RECTL *prclTrg,
_When_(psoSrc, _In_) POINTL *pptlSrc,
_When_(psoMask, _In_) POINTL *pptlMask,
_In_opt_ BRUSHOBJ *pbo,
_When_(pbo, _In_) POINTL *pptlBrush,
_In_ ROP4 rop4)
{
BOOL bResult;
RECTL rcClipped;
POINTL ptOffset, ptSrc, ptMask, ptBrush;
SIZEL sizTrg;
PFN_DrvBitBlt pfnBitBlt;
//__debugbreak();
/* Sanity checks */
ASSERT(IS_VALID_ROP4(rop4));
ASSERT(psoTrg);
ASSERT(psoTrg->iBitmapFormat >= BMF_1BPP);
ASSERT(psoTrg->iBitmapFormat <= BMF_32BPP);
ASSERT(prclTrg);
/* Clip the target rect to the extents of the target surface */
if (!RECTL_bClipRectBySize(&rcClipped, prclTrg, &psoTrg->sizlBitmap))
{
/* Nothing left */
return TRUE;
}
/* If no clip object is given, use trivial one */
if (!pco) pco = (CLIPOBJ*)&gxcoTrivial;
/* Check if there is something to clip */
if (pco->iDComplexity != DC_TRIVIAL)
{
/* Clip the target rect to the bounds of the clipping region */
if (!RECTL_bIntersectRect(&rcClipped, &rcClipped, &pco->rclBounds))
{
/* Nothing left */
return TRUE;
}
}
/* Don't pass a clip object with a single rectangle */
if (pco->iDComplexity == DC_RECT) pco = (CLIPOBJ*)&gxcoTrivial;
/* Calculate initial offset and size */
ptOffset.x = rcClipped.left - prclTrg->left;
ptOffset.y = rcClipped.top - prclTrg->top;
sizTrg.cx = rcClipped.right - rcClipped.left;
sizTrg.cy = rcClipped.bottom - rcClipped.top;
/* Check if the ROP uses a source */
if (ROP4_USES_SOURCE(rop4))
{
/* Must have a source surface and point */
ASSERT(psoSrc);
ASSERT(pptlSrc);
/* Get the source point */
ptSrc = *pptlSrc;
/* Clip against the extents of the source surface */
AdjustOffsetAndSize(&ptOffset, &sizTrg, &ptSrc, &psoSrc->sizlBitmap);
}
else
{
psoSrc = NULL;
ptSrc.x = 0;
ptSrc.y = 0;
}
/* Check if the ROP uses a mask */
if (ROP4_USES_MASK(rop4))
{
/* Must have a mask surface and point */
ASSERT(psoMask);
ASSERT(pptlMask);
/* Get the mask point */
ptMask = *pptlMask;
/* Clip against the extents of the mask surface */
AdjustOffsetAndSize(&ptOffset, &sizTrg, &ptMask, &psoMask->sizlBitmap);
}
else
{
psoMask = NULL;
ptMask.x = 0;
ptMask.y = 0;
}
/* Check if all has been clipped away */
if ((sizTrg.cx <= 0) || (sizTrg.cy <= 0))
return TRUE;
/* Adjust the points */
ptSrc.x += ptOffset.x;
ptSrc.y += ptOffset.y;
ptMask.x += ptOffset.x;
ptMask.y += ptOffset.y;
/* Check if we have a brush origin */
if (pptlBrush)
{
/* calculate the new brush origin */
ptBrush.x = pptlBrush->x + ptOffset.x;
ptBrush.y = pptlBrush->y + ptOffset.y;
}
/* Recalculate the target rect */
rcClipped.left = prclTrg->left + ptOffset.x;
rcClipped.top = prclTrg->top + ptOffset.y;
rcClipped.right = rcClipped.left + sizTrg.cx;
rcClipped.bottom = rcClipped.top + sizTrg.cy;
/* Is the target surface device managed? */
if (SURFOBJ_flags(psoTrg) & HOOK_BITBLT)
{
/* Is the source a different device managed surface? */
if (psoSrc && (psoSrc->hdev != psoTrg->hdev) &&
(SURFOBJ_flags(psoSrc) & HOOK_BITBLT))
{
ERR("Need to copy to standard bitmap format!\n");
ASSERT(FALSE);
}
pfnBitBlt = GDIDEVFUNCS(psoTrg).BitBlt;
}
/* Otherwise is the source surface device managed? */
else if (psoSrc && (SURFOBJ_flags(psoSrc) & HOOK_BITBLT))
{
pfnBitBlt = GDIDEVFUNCS(psoSrc).BitBlt;
}
else
{
pfnBitBlt = EngBitBlt;
}
bResult = pfnBitBlt(psoTrg,
psoSrc,
psoMask,
pco,
pxlo,
&rcClipped,
psoSrc ? &ptSrc : NULL,
psoMask ? &ptMask : NULL,
pbo,
pptlBrush ? &ptBrush : NULL,
rop4);
// FIXME: cleanup temp surface!
return bResult;
}
BOOL
APIENTRY
NtGdiEngBitBlt(
IN SURFOBJ *psoTrgUMPD,
IN SURFOBJ *psoSrcUMPD,
IN SURFOBJ *psoMaskUMPD,
IN CLIPOBJ *pcoUMPD,
IN XLATEOBJ *pxloUMPD,
IN RECTL *prclTrg,
IN POINTL *pptlSrc,
IN POINTL *pptlMask,
IN BRUSHOBJ *pboUMPD,
IN POINTL *pptlBrush,
IN ROP4 rop4)
{
RECTL rclTrg;
POINTL ptlSrc, ptlMask, ptlBrush;
HSURF hsurfTrg, hsurfSrc = NULL, hsurfMask = NULL;
HANDLE hBrushObj; // HUMPDOBJ
SURFOBJ *psoTrg, *psoSrc, *psoMask;
CLIPOBJ *pco;
XLATEOBJ *pxlo;
BRUSHOBJ *pbo;
BOOL bResult;
_SEH2_TRY
{
ProbeForRead(prclTrg, sizeof(RECTL), 1);
rclTrg = *prclTrg;
ProbeForRead(psoTrgUMPD, sizeof(SURFOBJ), 1);
hsurfTrg = psoTrgUMPD->hsurf;
if (ROP4_USES_SOURCE(rop4))
{
ProbeForRead(pptlSrc, sizeof(POINTL), 1);
ptlSrc = *pptlSrc;
ProbeForRead(psoSrcUMPD, sizeof(SURFOBJ), 1);
hsurfSrc = psoSrcUMPD->hsurf;
}
if (ROP4_USES_MASK(rop4))
{
ProbeForRead(pptlMask, sizeof(POINTL), 1);
ptlMask = *pptlMask;
ProbeForRead(psoMaskUMPD, sizeof(SURFOBJ), 1);
hsurfMask = psoMaskUMPD->hsurf;
}
if (ROP4_USES_PATTERN(rop4))
{
ProbeForRead(pptlBrush, sizeof(POINTL), 1);
ptlBrush = *pptlBrush;
ProbeForRead(psoSrcUMPD, sizeof(SURFOBJ), 1);
hBrushObj = pboUMPD->pvRbrush; // FIXME
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
_SEH2_YIELD(return FALSE);
}
_SEH2_END;
// FIXME: these need to be converted/locked!
psoTrg = NULL;
psoSrc = NULL;
psoMask = NULL;
pco = NULL;
pxlo = NULL;
pbo = NULL;
bResult = EngBitBlt(psoTrg,
psoSrc,
psoMask,
pco,
pxlo,
&rclTrg,
pptlSrc ? &ptlSrc : NULL,
pptlMask ? &ptlMask : NULL,
pbo,
pptlBrush ? &ptlBrush : NULL,
rop4);
return bResult;
}
BOOL
APIENTRY
EngCopyBits(
SURFOBJ *psoTrg,
SURFOBJ *psoSrc,
CLIPOBJ *pco,
XLATEOBJ *pxlo,
RECTL *prclTrg,
POINTL *pptlSrc)
{
PFN_DrvCopyBits pfnCopyBits;
/* Is the target surface device managed? */
if (SURFOBJ_flags(psoTrg) & HOOK_COPYBITS)
{
pfnCopyBits = GDIDEVFUNCS(psoTrg).CopyBits;
}
if (SURFOBJ_flags(psoSrc) & HOOK_COPYBITS)
{
pfnCopyBits = GDIDEVFUNCS(psoSrc).CopyBits;
}
else
{
/* Use SRCCOPY for 2 bitmaps */
return EngBitBlt(psoTrg,
psoSrc,
NULL,
pco,
pxlo,
prclTrg,
pptlSrc,
NULL,
NULL,
NULL,
ROP4_SRCCOPY);
}
/* Forward to the driver */
return pfnCopyBits(psoTrg, psoSrc, pco, pxlo, prclTrg, pptlSrc);
}
BOOL
APIENTRY
IntEngCopyBits(
SURFOBJ *psoTrg,
SURFOBJ *psoSrc,
CLIPOBJ *pco,
XLATEOBJ *pxlo,
RECTL *prclTrg,
POINTL *pptlSrc)
{
return EngCopyBits(psoTrg, psoSrc, pco, pxlo, prclTrg, pptlSrc);
}