aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/cfb/cfbtileodd.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/cfb/cfbtileodd.c')
-rw-r--r--xorg-server/cfb/cfbtileodd.c1245
1 files changed, 1245 insertions, 0 deletions
diff --git a/xorg-server/cfb/cfbtileodd.c b/xorg-server/cfb/cfbtileodd.c
new file mode 100644
index 000000000..86a3fa5b5
--- /dev/null
+++ b/xorg-server/cfb/cfbtileodd.c
@@ -0,0 +1,1245 @@
+/*
+ * Fill odd tiled rectangles and spans.
+ * no depth dependencies.
+ */
+
+/*
+
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+*/
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include "servermd.h"
+#include "gcstruct.h"
+#include "window.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+
+#include "cfb.h"
+#include "cfbmskbits.h"
+#include "cfb8bit.h"
+
+#include "mergerop.h"
+
+#if PSZ == 24
+#define LEFTSHIFT_AMT (3)
+#else /* PSZ != 24 */
+#define LEFTSHIFT_AMT (5 - PWSH)
+#endif /* PSZ == 24*/
+
+#define LastTileBits {\
+ tmp = bits; \
+ if (tileEndPart) \
+ bits = (*pSrc & tileEndMask) | BitRight (*pSrcLine, tileEndLeftShift); \
+ else \
+ bits = *pSrc; \
+}
+
+#if PSZ == 24
+#define ResetTileBits {\
+ pSrc = pSrcLine; \
+ nlwSrc = widthSrc;\
+ if (tileEndPart) { \
+ if (4 - xoff + tileEndPart <= 4) {\
+ bits = *pSrc++; \
+ nlwSrc--; \
+ } else \
+ bits = BitLeft(tmp, tileEndLeftShift) | \
+ BitRight(bits, tileEndRightShift); \
+ xoff = (xoff + xoffStep) & 3; \
+ leftShift = xoff << LEFTSHIFT_AMT; \
+ rightShift = PGSZ - leftShift; \
+ }\
+}
+#else
+#define ResetTileBits {\
+ pSrc = pSrcLine; \
+ nlwSrc = widthSrc;\
+ if (tileEndPart) { \
+ if (PPW - xoff + tileEndPart <= PPW) {\
+ bits = *pSrc++; \
+ nlwSrc--; \
+ } else \
+ bits = BitLeft(tmp, tileEndLeftShift) | \
+ BitRight(bits, tileEndRightShift); \
+ xoff = (xoff + xoffStep) & PIM; \
+ leftShift = xoff << LEFTSHIFT_AMT; \
+ rightShift = PGSZ - leftShift; \
+ }\
+}
+#endif
+
+#define NextTileBits {\
+ if (nlwSrc == 1) {\
+ LastTileBits\
+ } else { \
+ if (nlwSrc == 0) {\
+ ResetTileBits\
+ } \
+ if (nlwSrc == 1) {\
+ LastTileBits\
+ } else {\
+ tmp = bits; \
+ bits = *pSrc++; \
+ }\
+ }\
+ nlwSrc--; \
+}
+
+void
+MROP_NAME(cfbFillBoxTileOdd) (pDrawable, nBox, pBox, tile, xrot, yrot, alu, planemask)
+ DrawablePtr pDrawable;
+ int nBox; /* number of boxes to fill */
+ register BoxPtr pBox; /* pointer to list of boxes to fill */
+ PixmapPtr tile; /* tile */
+ int xrot, yrot;
+ int alu;
+ unsigned long planemask;
+{
+ int tileWidth; /* width of tile in pixels */
+ int tileHeight; /* height of the tile */
+ int widthSrc;
+
+ int widthDst; /* width in longwords of the dest pixmap */
+ int w; /* width of current box */
+ int h; /* height of current box */
+ CfbBits startmask;
+ CfbBits endmask;/* masks for reggedy bits at either end of line */
+ int nlwMiddle; /* number of longwords between sides of boxes */
+ int nlwSrc; /* number of whole longwords in source */
+
+ register int nlw; /* loop version of nlwMiddle */
+ int srcy; /* current tile y position */
+ int srcx; /* current tile x position */
+ int xoffDst, xoffSrc;
+ int leftShift, rightShift;
+
+#if MROP == 0 && PSZ == 24
+ DeclareMergeRop24()
+#else
+ MROP_DECLARE_REG()
+#endif
+
+ CfbBits *pdstBase; /* pointer to start of dest */
+ CfbBits *pDstLine; /* poitner to start of dest box */
+ CfbBits *pSrcBase; /* pointer to start of source */
+ CfbBits *pSrcLine; /* pointer to start of source line */
+ register CfbBits *pDst;
+ register CfbBits *pSrc;
+ register CfbBits bits, tmp = 0;
+ int xoffStart, xoff;
+ int leftShiftStart, rightShiftStart, nlwSrcStart;
+ CfbBits tileEndMask;
+ int tileEndLeftShift, tileEndRightShift;
+ int xoffStep;
+ int tileEndPart;
+ int needFirst;
+ CfbBits narrow[2];
+ CfbBits narrowMask = 0;
+ int narrowShift = 0;
+ Bool narrowTile;
+
+#if MROP == 0 && PSZ == 24
+ InitializeMergeRop24 (alu, planemask)
+#else
+ MROP_INITIALIZE (alu, planemask)
+#endif
+
+ tileHeight = tile->drawable.height;
+ tileWidth = tile->drawable.width;
+ widthSrc = tile->devKind / PGSZB;
+ narrowTile = FALSE;
+ if (widthSrc == 1)
+ {
+ narrowShift = tileWidth;
+ narrowMask = cfbendpartial [tileWidth];
+ tileWidth *= 2;
+ widthSrc = 2;
+ narrowTile = TRUE;
+ }
+ pSrcBase = (CfbBits *)tile->devPrivate.ptr;
+
+ cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase)
+
+#if PSZ == 24
+ tileEndPart = (4 - tileWidth) & 3;
+ tileEndMask = cfbendpartial[tileWidth & 3];
+#else
+ tileEndPart = tileWidth & PIM;
+ tileEndMask = cfbendpartial[tileEndPart];
+#endif /* PSZ == 24 */
+ tileEndLeftShift = (tileEndPart) << LEFTSHIFT_AMT;
+ tileEndRightShift = PGSZ - tileEndLeftShift;
+#if PSZ == 24
+ xoffStep = 4 - tileEndPart;
+#else
+ xoffStep = PPW - tileEndPart;
+#endif /* PSZ == 24 */
+ /*
+ * current assumptions: tile > 32 bits wide.
+ */
+ while (nBox--)
+ {
+ w = pBox->x2 - pBox->x1;
+ h = pBox->y2 - pBox->y1;
+ modulus (pBox->x1 - xrot, tileWidth, srcx);
+ modulus (pBox->y1 - yrot, tileHeight, srcy);
+#if PSZ == 24
+ xoffDst = (4 - pBox->x1) & 3;
+ if (w == 1 && (xoffDst == 0 || xoffDst == 1))
+#else
+ xoffDst = pBox->x1 & PIM;
+ if (xoffDst + w < PPW)
+#endif
+ {
+ maskpartialbits(pBox->x1, w, startmask);
+ endmask = 0;
+ nlwMiddle = 0;
+ }
+ else
+ {
+ maskbits (pBox->x1, w, startmask, endmask, nlwMiddle)
+ }
+#if PSZ == 24
+ pDstLine = pdstBase + (pBox->y1 * widthDst) + ((pBox->x1*3) >> 2);
+#else
+ pDstLine = pdstBase + (pBox->y1 * widthDst) + (pBox->x1 >> PWSH);
+#endif
+ pSrcLine = pSrcBase + (srcy * widthSrc);
+#if PSZ == 24
+ xoffSrc = (4 - srcx) & 3;
+#else
+ xoffSrc = srcx & PIM;
+#endif
+ if (xoffSrc >= xoffDst)
+ {
+ xoffStart = xoffSrc - xoffDst;
+ needFirst = 1;
+ }
+ else
+ {
+#if PSZ == 24
+ xoffStart = 4 - (xoffDst - xoffSrc);
+#else
+ xoffStart = PPW - (xoffDst - xoffSrc);
+#endif
+ needFirst = 0;
+ }
+ leftShiftStart = (xoffStart) << LEFTSHIFT_AMT;
+ rightShiftStart = PGSZ - leftShiftStart;
+#if PSZ == 24
+ nlwSrcStart = widthSrc - ((srcx*3) >> 2);
+#else
+ nlwSrcStart = widthSrc - (srcx >> PWSH);
+#endif
+ while (h--)
+ {
+ /* XXX only works when narrowShift >= PPW/2 */
+ if (narrowTile)
+ {
+ tmp = pSrcBase[srcy] & narrowMask; /* source width == 1 */
+ narrow[0] = tmp | SCRRIGHT (tmp, narrowShift);
+#if PSZ == 24
+ narrow[1] = BitLeft (tmp, 8) |
+ BitRight(tmp, 16);
+#else
+ narrow[1] = SCRLEFT (tmp, PPW - narrowShift) |
+ SCRRIGHT(tmp, 2 * narrowShift - PPW);
+#endif
+ pSrcLine = narrow;
+ }
+ xoff = xoffStart;
+ leftShift = leftShiftStart;
+ rightShift = rightShiftStart;
+ nlwSrc = nlwSrcStart;
+#if PSZ == 24
+ pSrc = pSrcLine + ((srcx * 3) >> 2);
+#else
+ pSrc = pSrcLine + (srcx >> PWSH);
+#endif
+ pDst = pDstLine;
+ bits = 0;
+ if (needFirst)
+ {
+ NextTileBits
+ }
+ if (startmask)
+ {
+ NextTileBits
+ tmp = BitLeft(tmp, leftShift);
+ if (rightShift != PGSZ)
+ tmp |= BitRight(bits,rightShift);
+ *pDst = MROP_MASK (tmp, *pDst, startmask);
+ ++pDst;
+ }
+ nlw = nlwMiddle;
+ while (nlw)
+ {
+#if MROP == Mcopy
+ if (nlwSrc > 1)
+ {
+ int nlwPart = nlw;
+
+ if (nlwPart >= nlwSrc)
+ nlwPart = nlwSrc - 1;
+ nlw -= nlwPart;
+ nlwSrc -= nlwPart;
+ if (rightShift != PGSZ)
+ {
+ while (nlwPart--)
+ {
+ tmp = bits;
+ bits = *pSrc++;
+ *pDst = MROP_SOLID(BitLeft(tmp, leftShift) |
+ BitRight (bits, rightShift),
+ *pDst);
+ ++pDst;
+ }
+ }
+ else
+ {
+ if (nlwPart)
+ {
+ *pDst = MROP_SOLID (bits, *pDst);
+ ++pDst;
+ nlwPart--;
+ while (nlwPart--)
+ {
+ *pDst = MROP_SOLID(*pSrc, *pDst);
+ ++pDst; ++pSrc;
+ }
+ bits = *pSrc++;
+ }
+ }
+ }
+ else
+#endif
+ {
+ NextTileBits
+ if (rightShift != PGSZ)
+ {
+ *pDst = MROP_SOLID(BitLeft(tmp, leftShift) |
+ BitRight(bits, rightShift),
+ *pDst);
+ }
+ else
+ {
+ *pDst = MROP_SOLID (tmp, *pDst);
+ }
+ ++pDst;
+ nlw--;
+ }
+ }
+ if (endmask)
+ {
+ NextTileBits
+ if (rightShift == PGSZ)
+ bits = 0;
+ *pDst = MROP_MASK (BitLeft(tmp, leftShift) |
+ BitRight(bits,rightShift),
+ *pDst, endmask);
+ }
+ pDstLine += widthDst;
+ pSrcLine += widthSrc;
+ if (++srcy == tileHeight)
+ {
+ srcy = 0;
+ pSrcLine = pSrcBase;
+ }
+ }
+ pBox++;
+ }
+}
+
+void
+MROP_NAME(cfbFillSpanTileOdd) (pDrawable, n, ppt, pwidth, tile, xrot, yrot, alu, planemask)
+ DrawablePtr pDrawable;
+ int n;
+ DDXPointPtr ppt;
+ int *pwidth;
+ PixmapPtr tile;
+ int xrot, yrot;
+ int alu;
+ unsigned long planemask;
+{
+ int tileWidth; /* width of tile in pixels */
+ int tileHeight; /* height of the tile */
+ int widthSrc;
+
+ int widthDst; /* width in longwords of the dest pixmap */
+ int w; /* width of current span */
+ CfbBits startmask;
+ CfbBits endmask; /* masks for reggedy bits at either end of line */
+ int nlwSrc; /* number of whole longwords in source */
+
+ register int nlw; /* loop version of nlwMiddle */
+ int srcy; /* current tile y position */
+ int srcx; /* current tile x position */
+ int xoffDst, xoffSrc;
+ int leftShift, rightShift;
+
+#if MROP == 0 && PSZ == 24
+ DeclareMergeRop24()
+#else
+ MROP_DECLARE_REG()
+#endif
+
+ CfbBits *pdstBase; /* pointer to start of dest */
+ CfbBits *pDstLine; /* poitner to start of dest box */
+ CfbBits *pSrcBase; /* pointer to start of source */
+ CfbBits *pSrcLine; /* pointer to start of source line */
+ register CfbBits *pDst;
+ register CfbBits *pSrc;
+ register CfbBits bits, tmp = 0;
+ int xoffStart, xoff;
+ int leftShiftStart, rightShiftStart, nlwSrcStart;
+ CfbBits tileEndMask;
+ int tileEndLeftShift, tileEndRightShift;
+ int xoffStep;
+ int tileEndPart;
+ int needFirst;
+ CfbBits narrow[2];
+ CfbBits narrowMask = 0;
+ int narrowShift = 0;
+ Bool narrowTile;
+
+#if MROP == 0 && PSZ == 24
+ InitializeMergeRop24 (alu, planemask)
+#else
+ MROP_INITIALIZE (alu, planemask)
+#endif
+
+ tileHeight = tile->drawable.height;
+ tileWidth = tile->drawable.width;
+ widthSrc = tile->devKind / PGSZB;
+ narrowTile = FALSE;
+ if (widthSrc == 1)
+ {
+ narrowShift = tileWidth;
+ narrowMask = cfbendpartial [tileWidth];
+ tileWidth *= 2;
+ widthSrc = 2;
+ narrowTile = TRUE;
+ }
+ pSrcBase = (CfbBits *)tile->devPrivate.ptr;
+
+ cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase)
+
+#if PSZ == 24
+ tileEndPart = (4 - tileWidth) & 3;
+ tileEndMask = cfbendpartial[tileWidth & 3];
+#else
+ tileEndPart = tileWidth & PIM;
+ tileEndMask = cfbendpartial[tileEndPart];
+#endif
+ tileEndLeftShift = (tileEndPart) << LEFTSHIFT_AMT;
+ tileEndRightShift = PGSZ - tileEndLeftShift;
+#if PSZ == 24
+ xoffStep = 4 - tileEndPart;
+#else
+ xoffStep = PPW - tileEndPart;
+#endif
+ while (n--)
+ {
+ w = *pwidth++;
+ modulus (ppt->x - xrot, tileWidth, srcx);
+ modulus (ppt->y - yrot, tileHeight, srcy);
+#if PSZ == 24
+ xoffDst = (4 - ppt->x) & 3;
+ if (w == 1 && (xoffDst == 0 || xoffDst == 1))
+#else
+ xoffDst = ppt->x & PIM;
+ if (xoffDst + w < PPW)
+#endif
+ {
+ maskpartialbits(ppt->x, w, startmask);
+ endmask = 0;
+ nlw = 0;
+ }
+ else
+ {
+ maskbits (ppt->x, w, startmask, endmask, nlw)
+ }
+#if PSZ == 24
+ pDstLine = pdstBase + (ppt->y * widthDst) + ((ppt->x *3)>> 2);
+#else
+ pDstLine = pdstBase + (ppt->y * widthDst) + (ppt->x >> PWSH);
+#endif
+ pSrcLine = pSrcBase + (srcy * widthSrc);
+#if PSZ == 24
+ xoffSrc = (4 - srcx) & 3;
+#else
+ xoffSrc = srcx & PIM;
+#endif
+ if (xoffSrc >= xoffDst)
+ {
+ xoffStart = xoffSrc - xoffDst;
+ needFirst = 1;
+ }
+ else
+ {
+#if PSZ == 24
+ xoffStart = 4 - (xoffDst - xoffSrc);
+#else
+ xoffStart = PPW - (xoffDst - xoffSrc);
+#endif
+ needFirst = 0;
+ }
+ leftShiftStart = (xoffStart) << LEFTSHIFT_AMT;
+ rightShiftStart = PGSZ - leftShiftStart;
+#if PSZ == 24
+ nlwSrcStart = widthSrc - ((srcx*3) >> 2);
+#else
+ nlwSrcStart = widthSrc - (srcx >> PWSH);
+#endif
+ /* XXX only works when narrowShift >= PPW/2 */
+ if (narrowTile)
+ {
+ tmp = pSrcBase[srcy] & narrowMask; /* source width == 1 */
+ narrow[0] = tmp | SCRRIGHT (tmp, narrowShift);
+#if PSZ == 24
+ narrow[1] = BitLeft (tmp, 8) |
+ BitRight(tmp, 16);
+#else
+ narrow[1] = SCRLEFT (tmp, PPW - narrowShift) |
+ SCRRIGHT(tmp, 2 * narrowShift - PPW);
+#endif
+ pSrcLine = narrow;
+ }
+ xoff = xoffStart;
+ leftShift = leftShiftStart;
+ rightShift = rightShiftStart;
+ nlwSrc = nlwSrcStart;
+#if PSZ == 24
+ pSrc = pSrcLine + ((srcx * 3) >> 2);
+#else
+ pSrc = pSrcLine + (srcx >> PWSH);
+#endif
+ pDst = pDstLine;
+ bits = 0;
+ if (needFirst)
+ {
+ NextTileBits
+ }
+ if (startmask)
+ {
+ NextTileBits
+ tmp = BitLeft(tmp, leftShift);
+ if (rightShift != PGSZ)
+ tmp |= BitRight(bits,rightShift);
+ *pDst = MROP_MASK (tmp, *pDst, startmask);
+ ++pDst;
+ }
+ while (nlw)
+ {
+#if MROP == Mcopy
+ if (nlwSrc > 1)
+ {
+ int nlwPart = nlw;
+
+ if (nlwPart >= nlwSrc)
+ nlwPart = nlwSrc - 1;
+ nlw -= nlwPart;
+ nlwSrc -= nlwPart;
+ if (rightShift != PGSZ)
+ {
+ while (nlwPart--)
+ {
+ tmp = bits;
+ bits = *pSrc++;
+ *pDst = MROP_SOLID(BitLeft(tmp, leftShift) |
+ BitRight (bits, rightShift),
+ *pDst);
+ ++pDst;
+ }
+ }
+ else
+ {
+ if (nlwPart)
+ {
+ *pDst = MROP_SOLID (bits, *pDst);
+ ++pDst;
+ nlwPart--;
+ while (nlwPart--)
+ {
+ *pDst = MROP_SOLID(*pSrc, *pDst);
+ ++pDst; ++pSrc;
+ }
+ bits = *pSrc++;
+ }
+ }
+ }
+ else
+#endif
+ {
+ NextTileBits
+ if (rightShift != PGSZ)
+ {
+ *pDst = MROP_SOLID(BitLeft(tmp, leftShift) |
+ BitRight(bits, rightShift),
+ *pDst);
+ ++pDst;
+ }
+ else
+ {
+ *pDst = MROP_SOLID (tmp, *pDst);
+ ++pDst;
+ }
+ nlw--;
+ }
+ }
+ if (endmask)
+ {
+ NextTileBits
+ if (rightShift == PGSZ)
+ bits = 0;
+ *pDst = MROP_MASK (BitLeft(tmp, leftShift) |
+ BitRight(bits,rightShift),
+ *pDst, endmask);
+ }
+ ppt++;
+ }
+}
+
+# include "fastblt.h"
+
+#define IncSrcPtr psrc++; if (!--srcRemaining) { srcRemaining = widthSrc; psrc = psrcStart; }
+
+void
+MROP_NAME(cfbFillBoxTile32s) (pDrawable, nBox, pBox, tile, xrot, yrot, alu, planemask)
+ DrawablePtr pDrawable;
+ int nBox; /* number of boxes to fill */
+ register BoxPtr pBox; /* pointer to list of boxes to fill */
+ PixmapPtr tile; /* tile */
+ int xrot, yrot;
+ int alu;
+ unsigned long planemask;
+{
+ int tileWidth; /* width of tile */
+ int tileHeight; /* height of the tile */
+ int widthSrc; /* width in longwords of the source tile */
+
+ int widthDst; /* width in longwords of the dest pixmap */
+ int w; /* width of current box */
+ int h; /* height of current box */
+ CfbBits startmask;
+ CfbBits endmask;/* masks for reggedy bits at either end of line */
+ int nlMiddle; /* number of longwords between sides of boxes */
+
+ register int nl; /* loop version of nlMiddle */
+ int srcy; /* current tile y position */
+ int srcx; /* current tile x position */
+ int srcRemaining; /* number of longwords remaining in source */
+ int xoffDst, xoffSrc;
+ int srcStart; /* number of longwords source offset at left of box */
+ int leftShift, rightShift;
+
+#if MROP == 0 && PSZ == 24
+ DeclareMergeRop24()
+#else
+ MROP_DECLARE_REG()
+#endif
+
+ CfbBits *pdstBase; /* pointer to start of dest */
+ CfbBits *pdstLine; /* poitner to start of dest box */
+ CfbBits *psrcBase; /* pointer to start of source */
+ CfbBits *psrcLine; /* pointer to fetch point of source */
+ CfbBits *psrcStart; /* pointer to start of source line */
+ register CfbBits *pdst;
+ register CfbBits *psrc;
+ register CfbBits bits, bits1;
+ register int nlTemp;
+
+#if MROP == 0 && PSZ == 24
+ InitializeMergeRop24 (alu, planemask)
+#else
+ MROP_INITIALIZE (alu, planemask)
+#endif
+
+ psrcBase = (CfbBits *)tile->devPrivate.ptr;
+ tileHeight = tile->drawable.height;
+ tileWidth = tile->drawable.width;
+#if PSZ == 24
+ widthSrc = tile->devKind / PGSZB;
+#else
+ widthSrc = tileWidth >> PWSH;
+#endif
+
+ cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase)
+
+ while (nBox--)
+ {
+ w = pBox->x2 - pBox->x1;
+ h = pBox->y2 - pBox->y1;
+
+ /* set up source */
+ modulus (pBox->x1 - xrot, tileWidth, srcx);
+ modulus (pBox->y1 - yrot, tileHeight, srcy);
+#if PSZ == 24
+ xoffSrc = (4 - srcx) & 3;
+ srcStart = (srcx * 3) >> 2;
+#else
+ xoffSrc = srcx & PIM;
+ srcStart = (srcx >> PWSH);
+#endif
+ psrcStart = psrcBase + (srcy * widthSrc);
+ psrcLine = psrcStart + srcStart;
+
+ /* set up dest */
+#if PSZ == 24
+ xoffDst = (4 - pBox->x1) & 3;
+ pdstLine = pdstBase + (pBox->y1 * widthDst) + ((pBox->x1*3) >> 2);
+#else
+ xoffDst = pBox->x1 & PIM;
+ pdstLine = pdstBase + (pBox->y1 * widthDst) + (pBox->x1 >> PWSH);
+#endif
+ /* set up masks */
+#if PSZ == 24
+ if (w == 1 && (xoffDst == 0 || xoffDst == 1))
+#else
+ if (xoffDst + w < PPW)
+#endif
+ {
+ maskpartialbits(pBox->x1, w, startmask);
+ endmask = 0;
+ nlMiddle = 0;
+ }
+ else
+ {
+ maskbits (pBox->x1, w, startmask, endmask, nlMiddle)
+ }
+ if (xoffSrc == xoffDst)
+ {
+ while (h--)
+ {
+ psrc = psrcLine;
+ pdst = pdstLine;
+ srcRemaining = widthSrc - srcStart;
+ if (startmask)
+ {
+ *pdst = MROP_MASK (*psrc, *pdst, startmask);
+ pdst++;
+ IncSrcPtr
+ }
+ nlTemp = nlMiddle;
+ while (nlTemp)
+ {
+ nl = nlTemp;
+ if (nl > srcRemaining)
+ nl = srcRemaining;
+
+ nlTemp -= nl;
+ srcRemaining -= nl;
+
+#if MROP == Mcopy
+#ifdef LARGE_INSTRUCTION_CACHE
+#ifdef FAST_CONSTANT_OFFSET_MODE
+
+ psrc += nl & (UNROLL-1);
+ pdst += nl & (UNROLL-1);
+
+#define BodyOdd(n) pdst[-n] = MROP_SOLID (psrc[-n], pdst[-n]);
+#define BodyEven(n) pdst[-n] = MROP_SOLID (psrc[-n], pdst[-n]);
+
+#define LoopReset \
+pdst += UNROLL; \
+psrc += UNROLL;
+
+#else
+
+#define BodyOdd(n) *pdst = MROP_SOLID (*psrc, *pdst); pdst++; psrc++;
+#define BodyEven(n) BodyOdd(n)
+
+#define LoopReset ;
+
+#endif
+ PackedLoop
+
+#undef BodyOdd
+#undef BodyEven
+#undef LoopReset
+
+#else
+ DuffL(nl, label1,
+ *pdst = MROP_SOLID (*psrc, *pdst);
+ pdst++; psrc++;)
+#endif
+#else
+ while (nl--) {
+ *pdst = MROP_SOLID (*psrc, *pdst);
+ pdst++; psrc++;
+ }
+#endif
+ if (!srcRemaining)
+ {
+ srcRemaining = widthSrc;
+ psrc = psrcStart;
+ }
+ }
+ if (endmask)
+ {
+ *pdst = MROP_MASK (*psrc, *pdst, endmask);
+ }
+ pdstLine += widthDst;
+ psrcLine += widthSrc;
+ psrcStart += widthSrc;
+ if (++srcy == tileHeight)
+ {
+ psrcStart = psrcBase;
+ psrcLine = psrcStart + srcStart;
+ srcy = 0;
+ }
+ }
+ }
+ else
+ {
+ if (xoffSrc > xoffDst)
+ {
+ leftShift = (xoffSrc - xoffDst) << LEFTSHIFT_AMT;
+ rightShift = PGSZ - leftShift;
+ }
+ else
+ {
+ rightShift = (xoffDst - xoffSrc) << LEFTSHIFT_AMT;
+ leftShift = PGSZ - rightShift;
+ }
+ while (h--)
+ {
+ psrc = psrcLine;
+ pdst = pdstLine;
+ bits = 0;
+ srcRemaining = widthSrc - srcStart;
+ if (xoffSrc > xoffDst)
+ {
+ bits = *psrc;
+ IncSrcPtr
+ }
+ if (startmask)
+ {
+ bits1 = BitLeft(bits,leftShift);
+ bits = *psrc;
+ IncSrcPtr
+ bits1 |= BitRight(bits,rightShift);
+ *pdst = MROP_MASK(bits1, *pdst, startmask);
+ pdst++;
+ }
+ nlTemp = nlMiddle;
+ while (nlTemp)
+ {
+ nl = nlTemp;
+ if (nl > srcRemaining)
+ nl = srcRemaining;
+
+ nlTemp -= nl;
+ srcRemaining -= nl;
+
+#if MROP == Mcopy
+#ifdef LARGE_INSTRUCTION_CACHE
+ bits1 = bits;
+
+#ifdef FAST_CONSTANT_OFFSET_MODE
+
+ psrc += nl & (UNROLL-1);
+ pdst += nl & (UNROLL-1);
+
+#define BodyOdd(n) \
+ bits = psrc[-n]; \
+ pdst[-n] = MROP_SOLID(BitLeft(bits1, leftShift) | BitRight(bits, rightShift), pdst[-n]);
+
+#define BodyEven(n) \
+ bits1 = psrc[-n]; \
+ pdst[-n] = MROP_SOLID(BitLeft(bits, leftShift) | BitRight(bits1, rightShift), pdst[-n]);
+
+#define LoopReset \
+ pdst += UNROLL; \
+ psrc += UNROLL;
+
+#else
+
+#define BodyOdd(n) \
+ bits = *psrc++; \
+ *pdst = MROP_SOLID(BitLeft(bits1, leftShift) | BitRight(bits, rightShift), *pdst); \
+ pdst++;
+
+#define BodyEven(n) \
+ bits1 = *psrc++; \
+ *pdst = MROP_SOLID(BitLeft(bits, leftShift) | BitRight(bits1, rightShift), *pdst); \
+ pdst++;
+
+#define LoopReset ;
+
+#endif /* !FAST_CONSTANT_OFFSET_MODE */
+
+ PackedLoop
+
+#undef BodyOdd
+#undef BodyEven
+#undef LoopReset
+
+#else
+ DuffL (nl,label2,
+ bits1 = BitLeft(bits, leftShift);
+ bits = *psrc++;
+ *pdst = MROP_SOLID (bits1 | BitRight(bits, rightShift), *pdst);
+ pdst++;
+ )
+#endif
+#else
+ while (nl--) {
+ bits1 = BitLeft(bits, leftShift);
+ bits = *psrc++;
+ *pdst = MROP_SOLID (bits1 | BitRight(bits, rightShift), *pdst);
+ pdst++;
+ }
+#endif
+ if (!srcRemaining)
+ {
+ srcRemaining = widthSrc;
+ psrc = psrcStart;
+ }
+ }
+
+ if (endmask)
+ {
+ bits1 = BitLeft(bits, leftShift);
+ if (BitLeft(endmask, rightShift))
+ {
+ bits = *psrc;
+ bits1 |= BitRight(bits, rightShift);
+ }
+ *pdst = MROP_MASK (bits1, *pdst, endmask);
+ }
+ pdstLine += widthDst;
+ psrcLine += widthSrc;
+ psrcStart += widthSrc;
+ if (++srcy == tileHeight)
+ {
+ psrcStart = psrcBase;
+ psrcLine = psrcStart + srcStart;
+ srcy = 0;
+ }
+ }
+ }
+ pBox++;
+ }
+}
+
+void
+MROP_NAME(cfbFillSpanTile32s) (pDrawable, n, ppt, pwidth, tile, xrot, yrot, alu, planemask)
+ DrawablePtr pDrawable;
+ int n;
+ DDXPointPtr ppt;
+ int *pwidth;
+ PixmapPtr tile;
+ int xrot, yrot;
+ int alu;
+ unsigned long planemask;
+{
+ int tileWidth; /* width of tile */
+ int tileHeight; /* height of the tile */
+ int widthSrc; /* width in longwords of the source tile */
+
+ int widthDst; /* width in longwords of the dest pixmap */
+ int w; /* width of current box */
+ CfbBits startmask;
+ CfbBits endmask;/* masks for reggedy bits at either end of line */
+ int nlMiddle; /* number of longwords between sides of boxes */
+
+ register int nl; /* loop version of nlMiddle */
+ int srcy; /* current tile y position */
+ int srcx; /* current tile x position */
+ int srcRemaining; /* number of longwords remaining in source */
+ int xoffDst, xoffSrc;
+ int srcStart; /* number of longwords source offset at left of box */
+ int leftShift, rightShift;
+
+#if MROP == 0 && PSZ == 24
+ DeclareMergeRop24()
+#else
+ MROP_DECLARE_REG()
+#endif
+
+ CfbBits *pdstBase; /* pointer to start of dest */
+ CfbBits *pdstLine; /* poitner to start of dest box */
+ CfbBits *psrcBase; /* pointer to start of source */
+ CfbBits *psrcLine; /* pointer to fetch point of source */
+ CfbBits *psrcStart; /* pointer to start of source line */
+ register CfbBits *pdst;
+ register CfbBits *psrc;
+ register CfbBits bits, bits1;
+ register int nlTemp;
+
+#if MROP == 0 && PSZ == 24
+ InitializeMergeRop24 (alu, planemask)
+#else
+ MROP_INITIALIZE (alu, planemask)
+#endif
+
+ psrcBase = (CfbBits *)tile->devPrivate.ptr;
+ tileHeight = tile->drawable.height;
+ tileWidth = tile->drawable.width;
+#if PSZ == 24
+ widthSrc = tile->devKind / PGSZB;
+#else
+ widthSrc = tileWidth >> PWSH;
+#endif
+
+ cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase)
+
+ while (n--)
+ {
+ w = *pwidth++;
+
+ /* set up source */
+ modulus (ppt->x - xrot, tileWidth, srcx);
+ modulus (ppt->y - yrot, tileHeight, srcy);
+#if PSZ == 24
+ xoffSrc = (4 - srcx) & 3;
+ srcStart = (srcx * 3) >> 2;
+#else
+ xoffSrc = srcx & PIM;
+ srcStart = (srcx >> PWSH);
+#endif
+ psrcStart = psrcBase + (srcy * widthSrc);
+ psrcLine = psrcStart + srcStart;
+
+ /* set up dest */
+#if PSZ == 24
+ xoffDst = (4 - ppt->x) & 3;
+ pdstLine = pdstBase + (ppt->y * widthDst) + ((ppt->x *3) >> 2);
+ /* set up masks */
+ if (w == 1 && (xoffDst == 0 || xoffDst == 1))
+#else
+ xoffDst = ppt->x & PIM;
+ pdstLine = pdstBase + (ppt->y * widthDst) + (ppt->x >> PWSH);
+ /* set up masks */
+ if (xoffDst + w < PPW)
+#endif
+ {
+ maskpartialbits(ppt->x, w, startmask);
+ endmask = 0;
+ nlMiddle = 0;
+ }
+ else
+ {
+ maskbits (ppt->x, w, startmask, endmask, nlMiddle)
+ }
+
+ if (xoffSrc == xoffDst)
+ {
+ psrc = psrcLine;
+ pdst = pdstLine;
+ srcRemaining = widthSrc - srcStart;
+ if (startmask)
+ {
+ *pdst = MROP_MASK (*psrc, *pdst, startmask);
+ pdst++;
+ IncSrcPtr
+ }
+ nlTemp = nlMiddle;
+ while (nlTemp)
+ {
+ nl = nlTemp;
+ if (nl > srcRemaining)
+ nl = srcRemaining;
+
+ nlTemp -= nl;
+ srcRemaining -= nl;
+
+#if MROP == Mcopy
+#ifdef LARGE_INSTRUCTION_CACHE
+#ifdef FAST_CONSTANT_OFFSET_MODE
+
+ psrc += nl & (UNROLL-1);
+ pdst += nl & (UNROLL-1);
+
+#define BodyOdd(n) pdst[-n] = MROP_SOLID (psrc[-n], pdst[-n]);
+#define BodyEven(n) pdst[-n] = MROP_SOLID (psrc[-n], pdst[-n]);
+
+#define LoopReset \
+pdst += UNROLL; \
+psrc += UNROLL;
+
+#else
+
+#define BodyOdd(n) *pdst = MROP_SOLID (*psrc, *pdst); pdst++; psrc++;
+#define BodyEven(n) BodyOdd(n)
+
+#define LoopReset ;
+
+#endif
+ PackedLoop
+
+#undef BodyOdd
+#undef BodyEven
+#undef LoopReset
+
+#else
+ DuffL(nl, label1,
+ *pdst = MROP_SOLID (*psrc, *pdst);
+ pdst++; psrc++;)
+#endif
+#else
+ while (nl--) {
+ *pdst = MROP_SOLID (*psrc, *pdst);
+ pdst++; psrc++;
+ }
+#endif
+ if (!srcRemaining)
+ {
+ srcRemaining = widthSrc;
+ psrc = psrcStart;
+ }
+ }
+ if (endmask)
+ {
+ *pdst = MROP_MASK (*psrc, *pdst, endmask);
+ }
+ }
+ else
+ {
+ if (xoffSrc > xoffDst)
+ {
+ leftShift = (xoffSrc - xoffDst) << LEFTSHIFT_AMT;
+ rightShift = PGSZ - leftShift;
+ }
+ else
+ {
+ rightShift = (xoffDst - xoffSrc) << LEFTSHIFT_AMT;
+ leftShift = PGSZ - rightShift;
+ }
+ psrc = psrcLine;
+ pdst = pdstLine;
+ bits = 0;
+ srcRemaining = widthSrc - srcStart;
+ if (xoffSrc > xoffDst)
+ {
+ bits = *psrc;
+ IncSrcPtr
+ }
+ if (startmask)
+ {
+ bits1 = BitLeft(bits,leftShift);
+ bits = *psrc;
+ IncSrcPtr
+ bits1 |= BitRight(bits,rightShift);
+ *pdst = MROP_MASK(bits1, *pdst, startmask);
+ pdst++;
+ }
+ nlTemp = nlMiddle;
+ while (nlTemp)
+ {
+ nl = nlTemp;
+ if (nl > srcRemaining)
+ nl = srcRemaining;
+
+ nlTemp -= nl;
+ srcRemaining -= nl;
+
+#if MROP == Mcopy
+#ifdef LARGE_INSTRUCTION_CACHE
+ bits1 = bits;
+
+#ifdef FAST_CONSTANT_OFFSET_MODE
+
+ psrc += nl & (UNROLL-1);
+ pdst += nl & (UNROLL-1);
+
+#define BodyOdd(n) \
+bits = psrc[-n]; \
+pdst[-n] = MROP_SOLID(BitLeft(bits1, leftShift) | BitRight(bits, rightShift), pdst[-n]);
+
+#define BodyEven(n) \
+bits1 = psrc[-n]; \
+pdst[-n] = MROP_SOLID(BitLeft(bits, leftShift) | BitRight(bits1, rightShift), pdst[-n]);
+
+#define LoopReset \
+pdst += UNROLL; \
+psrc += UNROLL;
+
+#else
+
+#define BodyOdd(n) \
+bits = *psrc++; \
+*pdst = MROP_SOLID(BitLeft(bits1, leftShift) | BitRight(bits, rightShift), *pdst); \
+pdst++;
+
+#define BodyEven(n) \
+bits1 = *psrc++; \
+*pdst = MROP_SOLID(BitLeft(bits, leftShift) | BitRight(bits1, rightShift), *pdst); \
+pdst++;
+
+#define LoopReset ;
+
+#endif /* !FAST_CONSTANT_OFFSET_MODE */
+
+ PackedLoop
+
+#undef BodyOdd
+#undef BodyEven
+#undef LoopReset
+
+#else
+ DuffL (nl,label2,
+ bits1 = BitLeft(bits, leftShift);
+ bits = *psrc++;
+ *pdst = MROP_SOLID (bits1 | BitRight(bits, rightShift), *pdst);
+ pdst++;
+ )
+#endif
+#else
+ while (nl--) {
+ bits1 = BitLeft(bits,leftShift);
+ bits = *psrc++;
+ *pdst = MROP_SOLID(bits1|BitRight(bits,rightShift), *pdst);
+ pdst++;
+ }
+#endif
+ if (!srcRemaining)
+ {
+ srcRemaining = widthSrc;
+ psrc = psrcStart;
+ }
+ }
+
+ if (endmask)
+ {
+ bits1 = BitLeft(bits, leftShift);
+ if (BitLeft(endmask, rightShift))
+ {
+ bits = *psrc;
+ bits1 |= BitRight(bits, rightShift);
+ }
+ *pdst = MROP_MASK (bits1, *pdst, endmask);
+ }
+ }
+ ppt++;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 22:39:50 +0000