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path: root/hw/xfree86/xaa/xaaStipple.c
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Diffstat (limited to 'hw/xfree86/xaa/xaaStipple.c')
-rw-r--r--hw/xfree86/xaa/xaaStipple.c915
1 files changed, 0 insertions, 915 deletions
diff --git a/hw/xfree86/xaa/xaaStipple.c b/hw/xfree86/xaa/xaaStipple.c
deleted file mode 100644
index fc74e3988..000000000
--- a/hw/xfree86/xaa/xaaStipple.c
+++ /dev/null
@@ -1,915 +0,0 @@
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "xaa.h"
-#include "xaalocal.h"
-#include "xaacexp.h"
-#include "xf86.h"
-
-static CARD32 *StipplePowerOfTwo(CARD32 *, CARD32 *, int, int, int);
-static CARD32 *StipplePowerOfTwo_Inverted(CARD32 *, CARD32 *, int, int, int);
-static CARD32 *StippleUpTo32(CARD32 *, CARD32 *, int, int, int);
-static CARD32 *StippleUpTo32_Inverted(CARD32 *, CARD32 *, int, int, int);
-static CARD32 *StippleOver32(CARD32 *, CARD32 *, int, int, int);
-static CARD32 *StippleOver32_Inverted(CARD32 *, CARD32 *, int, int, int);
-
-#ifdef TRIPLE_BITS
-#define stipple_scanline_func EXPNAME(XAAStippleScanlineFunc3)
-#define stipple_get_scanline_func EXPNAME(XAAGetStippleScanlineFunc3)
-#else
-#define stipple_scanline_func EXPNAME(XAAStippleScanlineFunc)
-#define stipple_get_scanline_func EXPNAME(XAAGetStippleScanlineFunc)
-#endif
-
-StippleScanlineProcPtr stipple_scanline_func[6] = {
- StipplePowerOfTwo,
- StippleUpTo32,
- StippleOver32,
- StipplePowerOfTwo_Inverted,
- StippleUpTo32_Inverted,
- StippleOver32_Inverted
-};
-
-StippleScanlineProcPtr *
-stipple_get_scanline_func(void)
-{
- return stipple_scanline_func;
-}
-
-#ifdef FIXEDBASE
-#define DEST(i) *dest
-#define RETURN(i) return(dest)
-#else
-#define DEST(i) dest[i]
-#define RETURN(i) return(dest + i)
-#endif
-
-/* TRIPLE_BITS pattern expansion */
-#ifdef TRIPLE_BITS
-#define EXPAND_PAT \
- CARD32 pat1 = byte_expand3[pat & 0xFF], \
- pat2 = byte_expand3[(pat & 0xFF00) >> 8], \
- pat3 = byte_expand3[(pat & 0xFF0000) >> 16], \
- pat4 = byte_expand3[(pat & 0xFF000000) >> 24], \
- patA = pat1 | (pat2 << 24), \
- patB = (pat2 >> 8) | (pat3 << 16), \
- patC = (pat3 >> 16) | (pat4 << 8)
-#ifdef FIXED_BASE
-#define WRITE_PAT1 { \
- *dest = patA; }
-#define WRITE_PAT2 { \
- *dest = patA; \
- *dest = patB; }
-#define WRITE_PAT3 { \
- *dest = patA; \
- *dest = patB; \
- *dest = patC; }
-#else
-#define WRITE_PAT1 { \
- *(dest++) = patA; }
-#define WRITE_PAT2 { \
- *(dest) = patA; \
- *(dest + 1) = patB; \
- dest += 2; }
-#define WRITE_PAT3 { \
- *(dest) = patA; \
- *(dest + 1) = patB; \
- *(dest + 2) = patC; \
- dest += 3; }
-#endif
-#endif
-
-#if !defined(FIXEDBASE) && !defined(MSBFIRST) && !defined(TRIPLE_BITS)
-
-unsigned int XAAShiftMasks[32] = {
- /* gcc is rather pedantic about SHIFT_R(0xFFFFFFFF,32) */
- 0x00000000, SHIFT_R(0xFFFFFFFF, 31),
- SHIFT_R(0xFFFFFFFF, 30), SHIFT_R(0xFFFFFFFF, 29),
- SHIFT_R(0xFFFFFFFF, 28), SHIFT_R(0xFFFFFFFF, 27),
- SHIFT_R(0xFFFFFFFF, 26), SHIFT_R(0xFFFFFFFF, 25),
- SHIFT_R(0xFFFFFFFF, 24), SHIFT_R(0xFFFFFFFF, 23),
- SHIFT_R(0xFFFFFFFF, 22), SHIFT_R(0xFFFFFFFF, 21),
- SHIFT_R(0xFFFFFFFF, 20), SHIFT_R(0xFFFFFFFF, 19),
- SHIFT_R(0xFFFFFFFF, 18), SHIFT_R(0xFFFFFFFF, 17),
- SHIFT_R(0xFFFFFFFF, 16), SHIFT_R(0xFFFFFFFF, 15),
- SHIFT_R(0xFFFFFFFF, 14), SHIFT_R(0xFFFFFFFF, 13),
- SHIFT_R(0xFFFFFFFF, 12), SHIFT_R(0xFFFFFFFF, 11),
- SHIFT_R(0xFFFFFFFF, 10), SHIFT_R(0xFFFFFFFF, 9),
- SHIFT_R(0xFFFFFFFF, 8), SHIFT_R(0xFFFFFFFF, 7),
- SHIFT_R(0xFFFFFFFF, 6), SHIFT_R(0xFFFFFFFF, 5),
- SHIFT_R(0xFFFFFFFF, 4), SHIFT_R(0xFFFFFFFF, 3),
- SHIFT_R(0xFFFFFFFF, 2), SHIFT_R(0xFFFFFFFF, 1)
-};
-
-#endif
-
-void
-#ifdef TRIPLE_BITS
- EXPNAME(XAAFillColorExpandRects3) (
-#else
- EXPNAME(XAAFillColorExpandRects) (
-#endif
- ScrnInfoPtr pScrn,
- int fg, int bg, int rop,
- unsigned int planemask,
- int nBox,
- BoxPtr pBox,
- int xorg, int yorg, PixmapPtr pPix) {
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- CARD32 *base;
- Bool TwoPass = FALSE, FirstPass = TRUE;
- StippleScanlineProcPtr StippleFunc, FirstFunc, SecondFunc;
- int stipplewidth = pPix->drawable.width;
- int stippleheight = pPix->drawable.height;
- int srcwidth = pPix->devKind;
- int dwords, srcy, srcx, funcNo = 2, h;
- unsigned char *src = (unsigned char *) pPix->devPrivate.ptr;
- unsigned char *srcp;
- int flag;
-
- if (stipplewidth <= 32) {
- if (stipplewidth & (stipplewidth - 1))
- funcNo = 1;
- else
- funcNo = 0;
- }
- StippleFunc = stipple_scanline_func[funcNo];
- SecondFunc = stipple_scanline_func[funcNo];
- FirstFunc = stipple_scanline_func[funcNo + 3];
-
-#ifdef TRIPLE_BITS
- if ((bg == -1) ||
- (!(infoRec->CPUToScreenColorExpandFillFlags & TRANSPARENCY_ONLY) &&
- (!(infoRec->CPUToScreenColorExpandFillFlags & RGB_EQUAL) ||
- (CHECK_RGB_EQUAL(bg))))) {
-#else
- if ((bg == -1) ||
- !(infoRec->CPUToScreenColorExpandFillFlags & TRANSPARENCY_ONLY)) {
-#endif
- /* one pass */
- }
- else if ((rop == GXcopy) && infoRec->FillSolidRects) {
- /* one pass but we fill background rects first */
- (*infoRec->FillSolidRects) (pScrn, bg, rop, planemask, nBox, pBox);
- bg = -1;
- }
- else {
- /* gotta do two passes */
- TwoPass = TRUE;
- }
-
- if (!TwoPass)
- (*infoRec->SetupForCPUToScreenColorExpandFill) (pScrn, fg, bg, rop,
- planemask);
-
- while (nBox--) {
-#ifdef TRIPLE_BITS
- dwords = (3 * (pBox->x2 - pBox->x1) + 31) >> 5;
-#else
- dwords = (pBox->x2 - pBox->x1 + 31) >> 5;
-#endif
-
- SECOND_PASS:
- if (TwoPass) {
- (*infoRec->SetupForCPUToScreenColorExpandFill) (pScrn,
- (FirstPass) ? bg :
- fg, -1, rop,
- planemask);
- StippleFunc = (FirstPass) ? FirstFunc : SecondFunc;
- }
-
- h = pBox->y2 - pBox->y1;
- flag = (infoRec->CPUToScreenColorExpandFillFlags
- & CPU_TRANSFER_PAD_QWORD) && ((dwords * h) & 0x01);
-
- (*infoRec->SubsequentCPUToScreenColorExpandFill) (pScrn, pBox->x1,
- pBox->y1,
- pBox->x2 - pBox->x1,
- h, 0);
-
- base = (CARD32 *) infoRec->ColorExpandBase;
-
- srcy = (pBox->y1 - yorg) % stippleheight;
- if (srcy < 0)
- srcy += stippleheight;
- srcx = (pBox->x1 - xorg) % stipplewidth;
- if (srcx < 0)
- srcx += stipplewidth;
-
- srcp = (srcwidth * srcy) + src;
-
-#ifndef FIXEDBASE
- if ((dwords * h) <= infoRec->ColorExpandRange) {
- while (h--) {
- base =
- (*StippleFunc) (base, (CARD32 *) srcp, srcx, stipplewidth,
- dwords);
- srcy++;
- srcp += srcwidth;
- if (srcy >= stippleheight) {
- srcy = 0;
- srcp = src;
- }
- }
- }
- else
-#endif
- while (h--) {
- (*StippleFunc) (base, (CARD32 *) srcp, srcx, stipplewidth,
- dwords);
- srcy++;
- srcp += srcwidth;
- if (srcy >= stippleheight) {
- srcy = 0;
- srcp = src;
- }
- }
-
- if (flag) {
- base = (CARD32 *) infoRec->ColorExpandBase;
- base[0] = 0x00000000;
- }
-
- if (TwoPass) {
- if (FirstPass) {
- FirstPass = FALSE;
- goto SECOND_PASS;
- }
- else
- FirstPass = TRUE;
- }
-
- pBox++;
- }
-
- if (infoRec->CPUToScreenColorExpandFillFlags & SYNC_AFTER_COLOR_EXPAND)
- (*infoRec->Sync) (pScrn);
- else
- SET_SYNC_FLAG(infoRec);
-}
-
-void
-#ifdef TRIPLE_BITS
- EXPNAME(XAAFillColorExpandSpans3) (
-#else
- EXPNAME(XAAFillColorExpandSpans) (
-#endif
- ScrnInfoPtr pScrn,
- int fg, int bg, int rop,
- unsigned int planemask,
- int n,
- DDXPointPtr ppt,
- int *pwidth,
- int fSorted,
- int xorg, int yorg, PixmapPtr pPix) {
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- CARD32 *base;
- Bool TwoPass = FALSE, FirstPass = TRUE;
- StippleScanlineProcPtr StippleFunc, FirstFunc, SecondFunc;
- int stipplewidth = pPix->drawable.width;
- int stippleheight = pPix->drawable.height;
- int dwords, srcy, srcx, funcNo = 2;
- unsigned char *srcp;
-
- if (stipplewidth <= 32) {
- if (stipplewidth & (stipplewidth - 1))
- funcNo = 1;
- else
- funcNo = 0;
- }
- StippleFunc = stipple_scanline_func[funcNo];
- SecondFunc = stipple_scanline_func[funcNo];
- FirstFunc = stipple_scanline_func[funcNo + 3];
-
-#ifdef TRIPLE_BITS
- if ((bg == -1) ||
- (!(infoRec->CPUToScreenColorExpandFillFlags & TRANSPARENCY_ONLY) &&
- (!(infoRec->CPUToScreenColorExpandFillFlags & RGB_EQUAL) ||
- (CHECK_RGB_EQUAL(bg))))) {
-#else
- if ((bg == -1) ||
- !(infoRec->CPUToScreenColorExpandFillFlags & TRANSPARENCY_ONLY)) {
-#endif
- /* one pass */
- }
- else if ((rop == GXcopy) && infoRec->FillSolidSpans) {
- /* one pass but we fill background rects first */
- (*infoRec->FillSolidSpans) (pScrn, bg, rop, planemask, n, ppt, pwidth,
- fSorted);
- bg = -1;
- }
- else {
- /* gotta do two passes */
- TwoPass = TRUE;
- }
-
- if (!TwoPass)
- (*infoRec->SetupForCPUToScreenColorExpandFill) (pScrn, fg, bg, rop,
- planemask);
-
- while (n--) {
-#ifdef TRIPLE_BITS
- dwords = (3 * *pwidth + 31) >> 5;
-#else
- dwords = (*pwidth + 31) >> 5;
-#endif
-
- srcy = (ppt->y - yorg) % stippleheight;
- if (srcy < 0)
- srcy += stippleheight;
- srcx = (ppt->x - xorg) % stipplewidth;
- if (srcx < 0)
- srcx += stipplewidth;
-
- srcp = (pPix->devKind * srcy) + (unsigned char *) pPix->devPrivate.ptr;
-
- SECOND_PASS:
- if (TwoPass) {
- (*infoRec->SetupForCPUToScreenColorExpandFill) (pScrn,
- (FirstPass) ? bg :
- fg, -1, rop,
- planemask);
- StippleFunc = (FirstPass) ? FirstFunc : SecondFunc;
- }
-
- (*infoRec->SubsequentCPUToScreenColorExpandFill) (pScrn, ppt->x, ppt->y,
- *pwidth, 1, 0);
-
- base = (CARD32 *) infoRec->ColorExpandBase;
-
- (*StippleFunc) (base, (CARD32 *) srcp, srcx, stipplewidth, dwords);
-
- if ((infoRec->CPUToScreenColorExpandFillFlags & CPU_TRANSFER_PAD_QWORD)
- && (dwords & 0x01)) {
- base = (CARD32 *) infoRec->ColorExpandBase;
- base[0] = 0x00000000;
- }
-
- if (TwoPass) {
- if (FirstPass) {
- FirstPass = FALSE;
- goto SECOND_PASS;
- }
- else
- FirstPass = TRUE;
- }
-
- ppt++;
- pwidth++;
- }
-
- if (infoRec->CPUToScreenColorExpandFillFlags & SYNC_AFTER_COLOR_EXPAND)
- (*infoRec->Sync) (pScrn);
- else
- SET_SYNC_FLAG(infoRec);
-}
-
-#ifndef FIXEDBASE
-
-void
-#ifdef TRIPLE_BITS
- EXPNAME(XAAFillScanlineColorExpandRects3) (
-#else
- EXPNAME(XAAFillScanlineColorExpandRects) (
-#endif
- ScrnInfoPtr pScrn,
- int fg, int bg, int rop,
- unsigned int planemask,
- int nBox,
- BoxPtr pBox,
- int xorg, int yorg,
- PixmapPtr pPix) {
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- CARD32 *base;
- Bool TwoPass = FALSE, FirstPass = TRUE;
- StippleScanlineProcPtr StippleFunc, FirstFunc, SecondFunc;
- int stipplewidth = pPix->drawable.width;
- int stippleheight = pPix->drawable.height;
- int srcwidth = pPix->devKind;
- int dwords, srcy, srcx, funcNo = 2, bufferNo, h;
- unsigned char *src = pPix->devPrivate.ptr;
- unsigned char *srcp;
-
- if (stipplewidth <= 32) {
- if (stipplewidth & (stipplewidth - 1))
- funcNo = 1;
- else
- funcNo = 0;
- }
- StippleFunc = stipple_scanline_func[funcNo];
- SecondFunc = stipple_scanline_func[funcNo];
- FirstFunc = stipple_scanline_func[funcNo + 3];
-
-#ifdef TRIPLE_BITS
- if ((bg == -1) ||
- (!(infoRec->ScanlineCPUToScreenColorExpandFillFlags & TRANSPARENCY_ONLY)
- && (!(infoRec->ScanlineCPUToScreenColorExpandFillFlags & RGB_EQUAL) ||
- (CHECK_RGB_EQUAL(bg))))) {
-#else
- if ((bg == -1) ||
- !(infoRec->
- ScanlineCPUToScreenColorExpandFillFlags & TRANSPARENCY_ONLY)) {
-#endif
- /* one pass */
- }
- else if ((rop == GXcopy) && infoRec->FillSolidRects) {
- /* one pass but we fill background rects first */
- (*infoRec->FillSolidRects) (pScrn, bg, rop, planemask, nBox, pBox);
- bg = -1;
- }
- else {
- /* gotta do two passes */
- TwoPass = TRUE;
- }
-
- if (!TwoPass)
- (*infoRec->SetupForScanlineCPUToScreenColorExpandFill) (pScrn, fg, bg,
- rop, planemask);
-
- while (nBox--) {
-#ifdef TRIPLE_BITS
- dwords = (3 * (pBox->x2 - pBox->x1) + 31) >> 5;
-#else
- dwords = (pBox->x2 - pBox->x1 + 31) >> 5;
-#endif
-
- SECOND_PASS:
- if (TwoPass) {
- (*infoRec->SetupForScanlineCPUToScreenColorExpandFill) (pScrn,
- (FirstPass)
- ? bg : fg,
- -1, rop,
- planemask);
- StippleFunc = (FirstPass) ? FirstFunc : SecondFunc;
- }
-
- h = pBox->y2 - pBox->y1;
-
- (*infoRec->SubsequentScanlineCPUToScreenColorExpandFill) (pScrn,
- pBox->x1,
- pBox->y1,
- pBox->x2 -
- pBox->x1, h,
- 0);
-
- bufferNo = 0;
-
- srcy = (pBox->y1 - yorg) % stippleheight;
- if (srcy < 0)
- srcy += stippleheight;
- srcx = (pBox->x1 - xorg) % stipplewidth;
- if (srcx < 0)
- srcx += stipplewidth;
-
- srcp = (srcwidth * srcy) + src;
-
- while (h--) {
- base = (CARD32 *) infoRec->ScanlineColorExpandBuffers[bufferNo];
- (*StippleFunc) (base, (CARD32 *) srcp, srcx, stipplewidth, dwords);
- (*infoRec->SubsequentColorExpandScanline) (pScrn, bufferNo++);
- if (bufferNo >= infoRec->NumScanlineColorExpandBuffers)
- bufferNo = 0;
- srcy++;
- srcp += srcwidth;
- if (srcy >= stippleheight) {
- srcy = 0;
- srcp = src;
- }
- }
-
- if (TwoPass) {
- if (FirstPass) {
- FirstPass = FALSE;
- goto SECOND_PASS;
- }
- else
- FirstPass = TRUE;
- }
-
- pBox++;
- }
-
- SET_SYNC_FLAG(infoRec);
-}
-
-void
-#ifdef TRIPLE_BITS
- EXPNAME(XAAFillScanlineColorExpandSpans3) (
-#else
- EXPNAME(XAAFillScanlineColorExpandSpans) (
-#endif
- ScrnInfoPtr pScrn,
- int fg, int bg, int rop,
- unsigned int planemask,
- int n,
- DDXPointPtr ppt,
- int *pwidth,
- int fSorted,
- int xorg, int yorg,
- PixmapPtr pPix) {
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- CARD32 *base;
- Bool TwoPass = FALSE, FirstPass = TRUE;
- StippleScanlineProcPtr StippleFunc, FirstFunc, SecondFunc;
- int stipplewidth = pPix->drawable.width;
- int stippleheight = pPix->drawable.height;
- int dwords, srcy, srcx, funcNo = 2;
- unsigned char *srcp;
-
- if (stipplewidth <= 32) {
- if (stipplewidth & (stipplewidth - 1))
- funcNo = 1;
- else
- funcNo = 0;
- }
- StippleFunc = stipple_scanline_func[funcNo];
- SecondFunc = stipple_scanline_func[funcNo];
- FirstFunc = stipple_scanline_func[funcNo + 3];
-
-#ifdef TRIPLE_BITS
- if ((bg == -1) ||
- (!(infoRec->ScanlineCPUToScreenColorExpandFillFlags & TRANSPARENCY_ONLY)
- && (!(infoRec->ScanlineCPUToScreenColorExpandFillFlags & RGB_EQUAL) ||
- (CHECK_RGB_EQUAL(bg))))) {
-#else
- if ((bg == -1) ||
- !(infoRec->
- ScanlineCPUToScreenColorExpandFillFlags & TRANSPARENCY_ONLY)) {
-#endif
- /* one pass */
- }
- else if ((rop == GXcopy) && infoRec->FillSolidSpans) {
- /* one pass but we fill background rects first */
- (*infoRec->FillSolidSpans) (pScrn, bg, rop, planemask, n, ppt, pwidth,
- fSorted);
- bg = -1;
- }
- else {
- /* gotta do two passes */
- TwoPass = TRUE;
- }
-
- if (!TwoPass)
- (*infoRec->SetupForScanlineCPUToScreenColorExpandFill) (pScrn, fg, bg,
- rop, planemask);
-
- while (n--) {
-#ifdef TRIPLE_BITS
- dwords = (3 * *pwidth + 31) >> 5;
-#else
- dwords = (*pwidth + 31) >> 5;
-#endif
-
- srcy = (ppt->y - yorg) % stippleheight;
- if (srcy < 0)
- srcy += stippleheight;
- srcx = (ppt->x - xorg) % stipplewidth;
- if (srcx < 0)
- srcx += stipplewidth;
-
- srcp = (pPix->devKind * srcy) + (unsigned char *) pPix->devPrivate.ptr;
-
- SECOND_PASS:
- if (TwoPass) {
- (*infoRec->SetupForScanlineCPUToScreenColorExpandFill) (pScrn,
- (FirstPass)
- ? bg : fg,
- -1, rop,
- planemask);
- StippleFunc = (FirstPass) ? FirstFunc : SecondFunc;
- }
-
- (*infoRec->SubsequentScanlineCPUToScreenColorExpandFill) (pScrn, ppt->x,
- ppt->y,
- *pwidth, 1,
- 0);
-
- base = (CARD32 *) infoRec->ScanlineColorExpandBuffers[0];
-
- (*StippleFunc) (base, (CARD32 *) srcp, srcx, stipplewidth, dwords);
- (*infoRec->SubsequentColorExpandScanline) (pScrn, 0);
-
- if (TwoPass) {
- if (FirstPass) {
- FirstPass = FALSE;
- goto SECOND_PASS;
- }
- else
- FirstPass = TRUE;
- }
-
- ppt++;
- pwidth++;
- }
-
- SET_SYNC_FLAG(infoRec);
-}
-
-#endif
-
-static CARD32 *
-StipplePowerOfTwo(CARD32 *dest, CARD32 *src, int shift, int width, int dwords)
-{
- CARD32 pat = *src;
-
- if (width < 32) {
- pat &= XAAShiftMasks[width];
- while (width < 32) {
- pat |= SHIFT_L(pat, width);
- width <<= 1;
- }
- }
-
- if (shift)
- pat = SHIFT_R(pat, shift) | SHIFT_L(pat, 32 - shift);
-
-#ifdef MSBFIRST
- pat = SWAP_BITS_IN_BYTES(pat);
-#endif
-
-#ifdef TRIPLE_BITS
- {
- EXPAND_PAT;
-
- while (dwords >= 3) {
- WRITE_PAT3;
- dwords -= 3;
- }
- if (dwords == 2) {
- WRITE_PAT2;
- }
- else if (dwords == 1) {
- WRITE_PAT1;
- }
-
- return dest;
- }
-#else /* TRIPLE_BITS */
- while (dwords >= 4) {
- DEST(0) = pat;
- DEST(1) = pat;
- DEST(2) = pat;
- DEST(3) = pat;
- dwords -= 4;
-#ifndef FIXEDBASE
- dest += 4;
-#endif
- }
-
- if (!dwords)
- return dest;
- DEST(0) = pat;
- if (dwords == 1)
- RETURN(1);
- DEST(1) = pat;
- if (dwords == 2)
- RETURN(2);
- DEST(2) = pat;
- RETURN(3);
-#endif /* TRIPLE_BITS */
-}
-
-static CARD32 *
-StipplePowerOfTwo_Inverted(CARD32 *dest, CARD32 *src,
- int shift, int width, int dwords)
-{
- CARD32 pat = *src;
-
- if (width < 32) {
- pat &= XAAShiftMasks[width];
- while (width < 32) {
- pat |= SHIFT_L(pat, width);
- width <<= 1;
- }
- }
-
- if (shift)
- pat = SHIFT_R(pat, shift) | SHIFT_L(pat, 32 - shift);
-
-#ifdef MSBFIRST
- pat = SWAP_BITS_IN_BYTES(pat);
-#endif
-
- pat = ~pat;
-
-#ifdef TRIPLE_BITS
- {
- EXPAND_PAT;
-
- while (dwords >= 3) {
- WRITE_PAT3;
- dwords -= 3;
- }
- if (dwords == 2) {
- WRITE_PAT2;
- }
- else if (dwords == 1) {
- WRITE_PAT1;
- }
-
- return dest;
- }
-#else /* TRIPLE_BITS */
- while (dwords >= 4) {
- DEST(0) = pat;
- DEST(1) = pat;
- DEST(2) = pat;
- DEST(3) = pat;
- dwords -= 4;
-#ifndef FIXEDBASE
- dest += 4;
-#endif
- }
-
- if (!dwords)
- return dest;
- DEST(0) = pat;
- if (dwords == 1)
- RETURN(1);
- DEST(1) = pat;
- if (dwords == 2)
- RETURN(2);
- DEST(2) = pat;
- RETURN(3);
-#endif /* TRIPLE_BITS */
-}
-
-static CARD32 *
-StippleUpTo32(CARD32 *base, CARD32 *src, int shift, int width, int dwords)
-{
- CARD32 pat = *src & XAAShiftMasks[width];
-
- while (width <= 15) {
- pat |= SHIFT_L(pat, width);
- width <<= 1;
- }
- pat |= SHIFT_L(pat, width);
-
- while (dwords--) {
- CARD32 bits = SHIFT_R(pat, shift) | SHIFT_L(pat, width - shift);
-
-#ifdef TRIPLE_BITS
- if (dwords >= 2) {
- WRITE_BITS3(bits);
- dwords -= 2;
- }
- else if (dwords > 0) {
- WRITE_BITS2(bits);
- dwords--;
- }
- else {
- WRITE_BITS1(bits);
- }
-#else
- WRITE_BITS(bits);
-#endif
-
- shift += 32;
- shift %= width;
- }
- return base;
-}
-
-static CARD32 *
-StippleUpTo32_Inverted(CARD32 *base, CARD32 *src,
- int shift, int width, int dwords)
-{
- CARD32 pat = *src & XAAShiftMasks[width];
-
- while (width <= 15) {
- pat |= SHIFT_L(pat, width);
- width <<= 1;
- }
- pat |= SHIFT_L(pat, width);
-
- while (dwords--) {
- CARD32 bits = ~(SHIFT_R(pat, shift) | SHIFT_L(pat, width - shift));
-
-#ifdef TRIPLE_BITS
- if (dwords >= 2) {
- WRITE_BITS3(bits);
- dwords -= 2;
- }
- else if (dwords > 0) {
- WRITE_BITS2(bits);
- dwords--;
- }
- else {
- WRITE_BITS1(bits);
- }
-#else
- WRITE_BITS(bits);
-#endif
-
- shift += 32;
- shift %= width;
- }
- return base;
-}
-
-static CARD32 *
-StippleOver32(CARD32 *base, CARD32 *src, int offset, int width, int dwords)
-{
- CARD32 *srcp;
- CARD32 bits;
- int bitsleft, shift, usable;
-
- while (dwords--) {
- bitsleft = width - offset;
- srcp = src + (offset >> 5);
- shift = offset & 31;
- usable = 32 - shift;
-
- if (bitsleft < 32) {
- if (bitsleft <= usable) {
- bits = SHIFT_L(*src, bitsleft) |
- (SHIFT_R(*srcp, shift) & XAAShiftMasks[bitsleft]);
- }
- else {
- bits = SHIFT_L(*src, bitsleft) |
- (SHIFT_L(srcp[1], usable) & XAAShiftMasks[bitsleft]) |
- (SHIFT_R(*srcp, shift) & XAAShiftMasks[usable]);
- }
- }
- else if (shift)
- bits = SHIFT_R(*srcp, shift) | SHIFT_L(srcp[1], usable);
- else
- bits = *srcp;
-
-#ifdef TRIPLE_BITS
- if (dwords >= 2) {
- WRITE_BITS3(bits);
- dwords -= 2;
- }
- else if (dwords > 0) {
- WRITE_BITS2(bits);
- dwords--;
- }
- else {
- WRITE_BITS1(bits);
- }
-#else
- WRITE_BITS(bits);
-#endif
-
- offset += 32;
- offset %= width;
- }
- return base;
-}
-
-static CARD32 *
-StippleOver32_Inverted(CARD32 *base, CARD32 *src,
- int offset, int width, int dwords)
-{
- CARD32 *srcp;
- CARD32 bits;
- int bitsleft, shift, usable;
-
- while (dwords--) {
- bitsleft = width - offset;
- srcp = src + (offset >> 5);
- shift = offset & 31;
- usable = 32 - shift;
-
- if (bitsleft < 32) {
- if (bitsleft <= usable) {
- bits = SHIFT_L(*src, bitsleft) |
- (SHIFT_R(*srcp, shift) & XAAShiftMasks[bitsleft]);
- }
- else {
- bits = SHIFT_L(*src, bitsleft) |
- (SHIFT_L(srcp[1], usable) & XAAShiftMasks[bitsleft]) |
- (SHIFT_R(*srcp, shift) & XAAShiftMasks[usable]);
- }
- }
- else if (shift)
- bits = SHIFT_R(*srcp, shift) | SHIFT_L(srcp[1], usable);
- else
- bits = *srcp;
-
- bits = ~bits;
-
-#ifdef TRIPLE_BITS
- if (dwords >= 2) {
- WRITE_BITS3(bits);
- dwords -= 2;
- }
- else if (dwords > 0) {
- WRITE_BITS2(bits);
- dwords--;
- }
- else {
- WRITE_BITS1(bits);
- }
-#else
- WRITE_BITS(bits);
-#endif
-
- offset += 32;
- offset %= width;
- }
- return base;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-05 01:46:54 +0000