diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaImage.c')
| -rw-r--r-- | xorg-server/hw/xfree86/xaa/xaaImage.c | 1055 |
1 files changed, 534 insertions, 521 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaImage.c b/xorg-server/hw/xfree86/xaa/xaaImage.c index 1967c5e0e..4457c9efa 100644 --- a/xorg-server/hw/xfree86/xaa/xaaImage.c +++ b/xorg-server/hw/xfree86/xaa/xaaImage.c @@ -1,521 +1,534 @@ -
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "misc.h"
-#include "xf86.h"
-#include "xf86_OSproc.h"
-#include "servermd.h"
-
-#include <X11/X.h>
-#include "scrnintstr.h"
-#include "mi.h"
-#include "pixmapstr.h"
-#include "xf86str.h"
-#include "xaa.h"
-#include "xaalocal.h"
-
-void XAAMoveDWORDS_FixedBase(
- register CARD32* dest,
- register CARD32* src,
- register int dwords )
-{
- while(dwords & ~0x03) {
- *dest = *src;
- *dest = *(src + 1);
- *dest = *(src + 2);
- *dest = *(src + 3);
- dwords -= 4;
- src += 4;
- }
-
- if(!dwords) return;
- *dest = *src;
- if(dwords == 1) return;
- *dest = *(src + 1);
- if(dwords == 2) return;
- *dest = *(src + 2);
-}
-
-void XAAMoveDWORDS(
- register CARD32* dest,
- register CARD32* src,
- register int dwords )
-{
- while(dwords & ~0x03) {
- *dest = *src;
- *(dest + 1) = *(src + 1);
- *(dest + 2) = *(src + 2);
- *(dest + 3) = *(src + 3);
- src += 4;
- dest += 4;
- dwords -= 4;
- }
- if(!dwords) return;
- *dest = *src;
- if(dwords == 1) return;
- *(dest + 1) = *(src + 1);
- if(dwords == 2) return;
- *(dest + 2) = *(src + 2);
-}
-
-void XAAMoveDWORDS_FixedSrc(
- register CARD32* dest,
- register CARD32* src,
- register int dwords )
-{
- while(dwords & ~0x03) {
- *dest = *src;
- *(dest + 1) = *src;
- *(dest + 2) = *src;
- *(dest + 3) = *src;
- dest += 4;
- dwords -= 4;
- }
- if(!dwords) return;
- *dest = *src;
- if(dwords == 1) return;
- *(dest + 1) = *src;
- if(dwords == 2) return;
- *(dest + 2) = *src;
-}
-
-static void
-XAAWritePixmap32To24(
- ScrnInfoPtr pScrn,
- int x, int y, int w, int h,
- unsigned char *srcInit,
- int srcwidth, /* bytes */
- int rop,
- unsigned int planemask,
- int trans
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int count, dwords = bytes_to_int32(w * 3);
- CARD32 *src, *dst;
- Bool PlusOne = FALSE;
-
- if((infoRec->ImageWriteFlags & CPU_TRANSFER_PAD_QWORD) &&
- ((dwords * h) & 0x01)) {
- PlusOne = TRUE;
- }
-
- (*infoRec->SetupForImageWrite)(pScrn, rop, planemask, trans, 24, 24);
- (*infoRec->SubsequentImageWriteRect)(pScrn, x, y, w, h, 0);
-
- if(dwords > infoRec->ImageWriteRange) {
- dst = (CARD32*)infoRec->ImageWriteBase;
- while(h--) {
- src = (CARD32*)srcInit;
- count = w;
-
- while(count >= 4) {
- *dst = (src[0] & 0x00ffffff) | (src[1] << 24);
- *dst = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16);
- *dst = ((src[2] >> 16) & 0x000000ff) | (src[3] << 8);
- src += 4;
- count -= 4;
- }
- switch(count) {
- case 0: break;
- case 1: *dst = src[0];
- break;
- case 2: *dst = (src[0] & 0x00ffffff) | (src[1] << 24);
- *dst = src[1] >> 8;
- break;
- default: *dst = (src[0] & 0x00ffffff) | (src[1] << 24);
- *dst = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16);
- *dst = src[2] >> 16;
- break;
- }
- srcInit += srcwidth;
- }
- } else {
- while(h--) {
- dst = (CARD32*)infoRec->ImageWriteBase;
- src = (CARD32*)srcInit;
- count = w;
-
- while(count >= 4) {
- dst[0] = (src[0] & 0x00ffffff) | (src[1] << 24);
- dst[1] = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16);
- dst[2] = ((src[2] >> 16) & 0x000000ff) | (src[3] << 8);
- dst += 3;
- src += 4;
- count -= 4;
- }
- switch(count) {
- case 0: break;
- case 1: dst[0] = src[0];
- break;
- case 2: dst[0] = (src[0] & 0x00ffffff) | (src[1] << 24);
- dst[1] = src[1] >> 8;
- break;
- default: dst[0] = (src[0] & 0x00ffffff) | (src[1] << 24);
- dst[1] = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16);
- dst[2] = src[2] >> 16;
- break;
- }
- srcInit += srcwidth;
- }
- }
-
- if(PlusOne) {
- CARD32* base = (CARD32*)infoRec->ImageWriteBase;
- *base = 0x00000000;
- }
-
- if(infoRec->ImageWriteFlags & SYNC_AFTER_IMAGE_WRITE)
- (*infoRec->Sync)(pScrn);
- else SET_SYNC_FLAG(infoRec);
-
-}
-
-void
-XAAWritePixmap (
- ScrnInfoPtr pScrn,
- int x, int y, int w, int h,
- unsigned char *src,
- int srcwidth, /* bytes */
- int rop,
- unsigned int planemask,
- int trans,
- int bpp, int depth
-){
- XAAInfoRecPtr infoRec;
- int dwords, skipleft, Bpp;
- Bool beCareful, PlusOne;
-
- if((bpp == 32) && (pScrn->bitsPerPixel == 24)) {
- XAAWritePixmap32To24(pScrn, x, y, w, h, src, srcwidth,
- rop, planemask, trans);
- return;
- }
-
- infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- beCareful = PlusOne = FALSE;
- Bpp = bpp >> 3;
-
- if((skipleft = (long)src & 0x03L)) {
- if(!(infoRec->ImageWriteFlags & LEFT_EDGE_CLIPPING)) {
- skipleft = 0;
- beCareful = TRUE;
- goto BAD_ALIGNMENT;
- }
-
- if(Bpp == 3)
- skipleft = 4 - skipleft;
- else
- skipleft /= Bpp;
-
- if((x < skipleft) && !(infoRec->ImageWriteFlags &
- LEFT_EDGE_CLIPPING_NEGATIVE_X)) {
- skipleft = 0;
- beCareful = TRUE;
- goto BAD_ALIGNMENT;
- }
-
- x -= skipleft;
- w += skipleft;
-
- if(Bpp == 3)
- src -= 3 * skipleft;
- else /* is this Alpha friendly ? */
- src = (unsigned char*)((long)src & ~0x03L);
- }
-
-BAD_ALIGNMENT:
-
- dwords = bytes_to_int32(w * Bpp);
-
- if((infoRec->ImageWriteFlags & CPU_TRANSFER_PAD_QWORD) &&
- ((dwords * h) & 0x01)) {
- PlusOne = TRUE;
- }
-
-
- (*infoRec->SetupForImageWrite)(pScrn, rop, planemask, trans, bpp, depth);
- (*infoRec->SubsequentImageWriteRect)(pScrn, x, y, w, h, skipleft);
-
- if(beCareful) {
- /* in cases with bad alignment we have to be careful not
- to read beyond the end of the source */
- if(((x * Bpp) + (dwords << 2)) > srcwidth) h--;
- else beCareful = FALSE;
- }
-
- if(dwords > infoRec->ImageWriteRange) {
- while(h--) {
- XAAMoveDWORDS_FixedBase((CARD32*)infoRec->ImageWriteBase,
- (CARD32*)src, dwords);
- src += srcwidth;
- }
- if(beCareful) {
- int shift = ((long)src & 0x03L) << 3;
- if(--dwords)
- XAAMoveDWORDS_FixedBase((CARD32*)infoRec->ImageWriteBase,
- (CARD32*)src, dwords);
- src = (unsigned char*)((long)(src + (dwords << 2)) & ~0x03L);
- *((CARD32*)infoRec->ImageWriteBase) = *((CARD32*)src) >> shift;
- }
- } else {
- if(srcwidth == (dwords << 2)) {
- int decrement = infoRec->ImageWriteRange/dwords;
-
- while(h > decrement) {
- XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
- (CARD32*)src, dwords * decrement);
- src += (srcwidth * decrement);
- h -= decrement;
- }
- if(h) {
- XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
- (CARD32*)src, dwords * h);
- if(beCareful) src += (srcwidth * h);
- }
- } else {
- while(h--) {
- XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
- (CARD32*)src, dwords);
- src += srcwidth;
- }
- }
-
- if(beCareful) {
- int shift = ((long)src & 0x03L) << 3;
- if(--dwords)
- XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
- (CARD32*)src, dwords);
- src = (unsigned char*)((long)(src + (dwords << 2)) & ~0x03L);
-
- ((CARD32*)infoRec->ImageWriteBase)[dwords] =
- *((CARD32*)src) >> shift;
- }
- }
-
- if(PlusOne) {
- CARD32* base = (CARD32*)infoRec->ImageWriteBase;
- *base = 0x00000000;
- }
-
- if(infoRec->ImageWriteFlags & SYNC_AFTER_IMAGE_WRITE)
- (*infoRec->Sync)(pScrn);
- else SET_SYNC_FLAG(infoRec);
-}
-
-
-void
-XAAWritePixmapScanline (
- ScrnInfoPtr pScrn,
- int x, int y, int w, int h,
- unsigned char *src,
- int srcwidth, /* bytes */
- int rop,
- unsigned int planemask,
- int trans,
- int bpp, int depth
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int dwords, skipleft, bufferNo = 0, Bpp = bpp >> 3;
- Bool beCareful = FALSE;
- CARD32* base;
-
- if((skipleft = (long)src & 0x03L)) {
- if(!(infoRec->ScanlineImageWriteFlags & LEFT_EDGE_CLIPPING)) {
- skipleft = 0;
- beCareful = TRUE;
- goto BAD_ALIGNMENT;
- }
-
- if(Bpp == 3)
- skipleft = 4 - skipleft;
- else
- skipleft /= Bpp;
-
- if((x < skipleft) && !(infoRec->ScanlineImageWriteFlags &
- LEFT_EDGE_CLIPPING_NEGATIVE_X)) {
- skipleft = 0;
- beCareful = TRUE;
- goto BAD_ALIGNMENT;
- }
-
- x -= skipleft;
- w += skipleft;
-
- if(Bpp == 3)
- src -= 3 * skipleft;
- else
- src = (unsigned char*)((long)src & ~0x03L);
- }
-
-BAD_ALIGNMENT:
-
- dwords = bytes_to_int32(w * Bpp);
-
- (*infoRec->SetupForScanlineImageWrite)(
- pScrn, rop, planemask, trans, bpp, depth);
- (*infoRec->SubsequentScanlineImageWriteRect)(pScrn, x, y, w, h, skipleft);
-
- if(beCareful) {
- /* in cases with bad alignment we have to be careful not
- to read beyond the end of the source */
- if(((x * Bpp) + (dwords << 2)) > srcwidth) h--;
- else beCareful = FALSE;
- }
-
- while(h--) {
- base = (CARD32*)infoRec->ScanlineImageWriteBuffers[bufferNo];
- XAAMoveDWORDS(base, (CARD32*)src, dwords);
- (*infoRec->SubsequentImageWriteScanline)(pScrn, bufferNo++);
- src += srcwidth;
- if(bufferNo >= infoRec->NumScanlineImageWriteBuffers)
- bufferNo = 0;
- }
-
- if(beCareful) {
- int shift = ((long)src & 0x03L) << 3;
- base = (CARD32*)infoRec->ScanlineImageWriteBuffers[bufferNo];
- if(--dwords)
- XAAMoveDWORDS(base,(CARD32*)src, dwords);
- src = (unsigned char*)((long)(src + (dwords << 2)) & ~0x03L);
-
- base[dwords] = *((CARD32*)src) >> shift;
- (*infoRec->SubsequentImageWriteScanline)(pScrn, bufferNo);
- }
-
- SET_SYNC_FLAG(infoRec);
-}
-
-
-void
-XAAPutImage(
- DrawablePtr pDraw,
- GCPtr pGC,
- int depth,
- int x,
- int y,
- int w,
- int h,
- int leftPad,
- int format,
- char *pImage
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- int bpp = BitsPerPixel(depth);
- Bool depthBug = FALSE;
- if(!w || !h) return;
-
- if(!RegionNumRects(pGC->pCompositeClip))
- return;
-
- depthBug = XAA_DEPTH_BUG(pGC);
-
- if(((format == ZPixmap) && infoRec->WritePixmap &&
- ((pDraw->bitsPerPixel == bpp) ||
- ((pDraw->bitsPerPixel == 24) && (bpp == 32) &&
- (infoRec->WritePixmapFlags & CONVERT_32BPP_TO_24BPP))) &&
- CHECK_ROP(pGC,infoRec->WritePixmapFlags) &&
- CHECK_ROPSRC(pGC,infoRec->WritePixmapFlags) &&
- CHECK_PLANEMASK(pGC,infoRec->WritePixmapFlags) &&
- CHECK_NO_GXCOPY(pGC,infoRec->WritePixmapFlags)) ||
- ((format == XYBitmap) && !depthBug && infoRec->WriteBitmap &&
- CHECK_ROP(pGC,infoRec->WriteBitmapFlags) &&
- CHECK_ROPSRC(pGC,infoRec->WriteBitmapFlags) &&
- CHECK_PLANEMASK(pGC,infoRec->WriteBitmapFlags) &&
- CHECK_COLORS(pGC,infoRec->WriteBitmapFlags) &&
- !(infoRec->WriteBitmapFlags & TRANSPARENCY_ONLY)) ||
- ((format == XYPixmap) && !depthBug && infoRec->WriteBitmap &&
- CHECK_ROP(pGC,infoRec->WriteBitmapFlags) &&
- CHECK_ROPSRC(pGC,infoRec->WriteBitmapFlags) &&
- !(infoRec->WriteBitmapFlags & NO_PLANEMASK) &&
- !(infoRec->WriteBitmapFlags & TRANSPARENCY_ONLY))){
-
- int MaxBoxes = RegionNumRects(pGC->pCompositeClip);
- BoxPtr pbox, pClipBoxes;
- int nboxes, srcx, srcy, srcwidth;
- xRectangle TheRect;
-
- TheRect.x = pDraw->x + x;
- TheRect.y = pDraw->y + y;
- TheRect.width = w;
- TheRect.height = h;
-
- if(MaxBoxes > (infoRec->PreAllocSize/sizeof(BoxRec))) {
- pClipBoxes = malloc(MaxBoxes * sizeof(BoxRec));
- if(!pClipBoxes) return;
- } else pClipBoxes = (BoxPtr)infoRec->PreAllocMem;
-
- nboxes = XAAGetRectClipBoxes(pGC, pClipBoxes, 1, &TheRect);
- pbox = pClipBoxes;
-
- if(format == XYBitmap) {
- srcwidth = BitmapBytePad(leftPad + w);
- while(nboxes--) {
- srcx = pbox->x1 - TheRect.x + leftPad;
- srcy = pbox->y1 - TheRect.y;
- (*infoRec->WriteBitmap)(infoRec->pScrn, pbox->x1, pbox->y1,
- pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
- (unsigned char*)pImage +
- (srcwidth * srcy) + ((srcx >> 5) << 2),
- srcwidth, srcx & 31, pGC->fgPixel, pGC->bgPixel,
- pGC->alu, pGC->planemask);
- pbox++;
- }
- } else if(format == ZPixmap) {
- int Bpp = bpp >> 3;
- srcwidth = PixmapBytePad(leftPad + w, depth);
- while(nboxes--) {
- srcx = pbox->x1 - TheRect.x + leftPad;
- srcy = pbox->y1 - TheRect.y;
- (*infoRec->WritePixmap)(infoRec->pScrn, pbox->x1, pbox->y1,
- pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
- (unsigned char*)pImage +
- (srcwidth * srcy) + (srcx * Bpp),
- srcwidth, pGC->alu, pGC->planemask, -1,
- Bpp << 3, depth);
- pbox++;
- }
- } else { /* XYPixmap */
- int depth = pGC->depth;
- int numBox, increment;
- unsigned long i, mask;
- BoxPtr pntBox;
-
- srcwidth = BitmapBytePad(w + leftPad);
- increment = h * srcwidth;
- i = 1 << (depth - 1);
- mask = ~0;
-
- if((infoRec->pScrn->overlayFlags & OVERLAY_8_32_PLANAR) &&
- (pGC->depth == 8)){
- i = 0x80000000; mask = 0xff000000;
- }
-
- for(; i & mask; i >>= 1, pImage += increment) {
- if(i & pGC->planemask) {
- pntBox = pbox;
- numBox = nboxes;
- while(numBox--) {
- srcx = pntBox->x1 - TheRect.x + leftPad;
- srcy = pntBox->y1 - TheRect.y;
- (*infoRec->WriteBitmap)(infoRec->pScrn,
- pntBox->x1, pntBox->y1,
- pntBox->x2 - pntBox->x1,
- pntBox->y2 - pntBox->y1,
- (unsigned char*)pImage +
- (srcwidth * srcy) + ((srcx >> 5) << 2),
- srcwidth, srcx & 31, ~0, 0, pGC->alu, i);
- pntBox++;
- }
- }
- }
-
- }
-
- if(pClipBoxes != (BoxPtr)infoRec->PreAllocMem)
- free(pClipBoxes);
- } else
- XAAFallbackOps.PutImage(pDraw, pGC, depth, x, y, w, h, leftPad,
- format, pImage);
-}
+ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "misc.h" +#include "xf86.h" +#include "xf86_OSproc.h" +#include "servermd.h" + +#include <X11/X.h> +#include "scrnintstr.h" +#include "mi.h" +#include "pixmapstr.h" +#include "xf86str.h" +#include "xaa.h" +#include "xaalocal.h" + +void +XAAMoveDWORDS_FixedBase(register CARD32 *dest, + register CARD32 *src, register int dwords) +{ + while (dwords & ~0x03) { + *dest = *src; + *dest = *(src + 1); + *dest = *(src + 2); + *dest = *(src + 3); + dwords -= 4; + src += 4; + } + + if (!dwords) + return; + *dest = *src; + if (dwords == 1) + return; + *dest = *(src + 1); + if (dwords == 2) + return; + *dest = *(src + 2); +} + +void +XAAMoveDWORDS(register CARD32 *dest, register CARD32 *src, register int dwords) +{ + while (dwords & ~0x03) { + *dest = *src; + *(dest + 1) = *(src + 1); + *(dest + 2) = *(src + 2); + *(dest + 3) = *(src + 3); + src += 4; + dest += 4; + dwords -= 4; + } + if (!dwords) + return; + *dest = *src; + if (dwords == 1) + return; + *(dest + 1) = *(src + 1); + if (dwords == 2) + return; + *(dest + 2) = *(src + 2); +} + +void +XAAMoveDWORDS_FixedSrc(register CARD32 *dest, + register CARD32 *src, register int dwords) +{ + while (dwords & ~0x03) { + *dest = *src; + *(dest + 1) = *src; + *(dest + 2) = *src; + *(dest + 3) = *src; + dest += 4; + dwords -= 4; + } + if (!dwords) + return; + *dest = *src; + if (dwords == 1) + return; + *(dest + 1) = *src; + if (dwords == 2) + return; + *(dest + 2) = *src; +} + +static void +XAAWritePixmap32To24(ScrnInfoPtr pScrn, int x, int y, int w, int h, unsigned char *srcInit, int srcwidth, /* bytes */ + int rop, unsigned int planemask, int trans) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + int count, dwords = bytes_to_int32(w * 3); + CARD32 *src, *dst; + Bool PlusOne = FALSE; + + if ((infoRec->ImageWriteFlags & CPU_TRANSFER_PAD_QWORD) && + ((dwords * h) & 0x01)) { + PlusOne = TRUE; + } + + (*infoRec->SetupForImageWrite) (pScrn, rop, planemask, trans, 24, 24); + (*infoRec->SubsequentImageWriteRect) (pScrn, x, y, w, h, 0); + + if (dwords > infoRec->ImageWriteRange) { + dst = (CARD32 *) infoRec->ImageWriteBase; + while (h--) { + src = (CARD32 *) srcInit; + count = w; + + while (count >= 4) { + *dst = (src[0] & 0x00ffffff) | (src[1] << 24); + *dst = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16); + *dst = ((src[2] >> 16) & 0x000000ff) | (src[3] << 8); + src += 4; + count -= 4; + } + switch (count) { + case 0: + break; + case 1: + *dst = src[0]; + break; + case 2: + *dst = (src[0] & 0x00ffffff) | (src[1] << 24); + *dst = src[1] >> 8; + break; + default: + *dst = (src[0] & 0x00ffffff) | (src[1] << 24); + *dst = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16); + *dst = src[2] >> 16; + break; + } + srcInit += srcwidth; + } + } + else { + while (h--) { + dst = (CARD32 *) infoRec->ImageWriteBase; + src = (CARD32 *) srcInit; + count = w; + + while (count >= 4) { + dst[0] = (src[0] & 0x00ffffff) | (src[1] << 24); + dst[1] = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16); + dst[2] = ((src[2] >> 16) & 0x000000ff) | (src[3] << 8); + dst += 3; + src += 4; + count -= 4; + } + switch (count) { + case 0: + break; + case 1: + dst[0] = src[0]; + break; + case 2: + dst[0] = (src[0] & 0x00ffffff) | (src[1] << 24); + dst[1] = src[1] >> 8; + break; + default: + dst[0] = (src[0] & 0x00ffffff) | (src[1] << 24); + dst[1] = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16); + dst[2] = src[2] >> 16; + break; + } + srcInit += srcwidth; + } + } + + if (PlusOne) { + CARD32 *base = (CARD32 *) infoRec->ImageWriteBase; + + *base = 0x00000000; + } + + if (infoRec->ImageWriteFlags & SYNC_AFTER_IMAGE_WRITE) + (*infoRec->Sync) (pScrn); + else + SET_SYNC_FLAG(infoRec); + +} + +void +XAAWritePixmap(ScrnInfoPtr pScrn, int x, int y, int w, int h, unsigned char *src, int srcwidth, /* bytes */ + int rop, unsigned int planemask, int trans, int bpp, int depth) +{ + XAAInfoRecPtr infoRec; + int dwords, skipleft, Bpp; + Bool beCareful, PlusOne; + + if ((bpp == 32) && (pScrn->bitsPerPixel == 24)) { + XAAWritePixmap32To24(pScrn, x, y, w, h, src, srcwidth, + rop, planemask, trans); + return; + } + + infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + beCareful = PlusOne = FALSE; + Bpp = bpp >> 3; + + if ((skipleft = (long) src & 0x03L)) { + if (!(infoRec->ImageWriteFlags & LEFT_EDGE_CLIPPING)) { + skipleft = 0; + beCareful = TRUE; + goto BAD_ALIGNMENT; + } + + if (Bpp == 3) + skipleft = 4 - skipleft; + else + skipleft /= Bpp; + + if ((x < skipleft) && !(infoRec->ImageWriteFlags & + LEFT_EDGE_CLIPPING_NEGATIVE_X)) { + skipleft = 0; + beCareful = TRUE; + goto BAD_ALIGNMENT; + } + + x -= skipleft; + w += skipleft; + + if (Bpp == 3) + src -= 3 * skipleft; + else /* is this Alpha friendly ? */ + src = (unsigned char *) ((long) src & ~0x03L); + } + + BAD_ALIGNMENT: + + dwords = bytes_to_int32(w * Bpp); + + if ((infoRec->ImageWriteFlags & CPU_TRANSFER_PAD_QWORD) && + ((dwords * h) & 0x01)) { + PlusOne = TRUE; + } + + (*infoRec->SetupForImageWrite) (pScrn, rop, planemask, trans, bpp, depth); + (*infoRec->SubsequentImageWriteRect) (pScrn, x, y, w, h, skipleft); + + if (beCareful) { + /* in cases with bad alignment we have to be careful not + to read beyond the end of the source */ + if (((x * Bpp) + (dwords << 2)) > srcwidth) + h--; + else + beCareful = FALSE; + } + + if (dwords > infoRec->ImageWriteRange) { + while (h--) { + XAAMoveDWORDS_FixedBase((CARD32 *) infoRec->ImageWriteBase, + (CARD32 *) src, dwords); + src += srcwidth; + } + if (beCareful) { + int shift = ((long) src & 0x03L) << 3; + + if (--dwords) + XAAMoveDWORDS_FixedBase((CARD32 *) infoRec->ImageWriteBase, + (CARD32 *) src, dwords); + src = (unsigned char *) ((long) (src + (dwords << 2)) & ~0x03L); + *((CARD32 *) infoRec->ImageWriteBase) = *((CARD32 *) src) >> shift; + } + } + else { + if (srcwidth == (dwords << 2)) { + int decrement = infoRec->ImageWriteRange / dwords; + + while (h > decrement) { + XAAMoveDWORDS((CARD32 *) infoRec->ImageWriteBase, + (CARD32 *) src, dwords * decrement); + src += (srcwidth * decrement); + h -= decrement; + } + if (h) { + XAAMoveDWORDS((CARD32 *) infoRec->ImageWriteBase, + (CARD32 *) src, dwords * h); + if (beCareful) + src += (srcwidth * h); + } + } + else { + while (h--) { + XAAMoveDWORDS((CARD32 *) infoRec->ImageWriteBase, + (CARD32 *) src, dwords); + src += srcwidth; + } + } + + if (beCareful) { + int shift = ((long) src & 0x03L) << 3; + + if (--dwords) + XAAMoveDWORDS((CARD32 *) infoRec->ImageWriteBase, + (CARD32 *) src, dwords); + src = (unsigned char *) ((long) (src + (dwords << 2)) & ~0x03L); + + ((CARD32 *) infoRec->ImageWriteBase)[dwords] = + *((CARD32 *) src) >> shift; + } + } + + if (PlusOne) { + CARD32 *base = (CARD32 *) infoRec->ImageWriteBase; + + *base = 0x00000000; + } + + if (infoRec->ImageWriteFlags & SYNC_AFTER_IMAGE_WRITE) + (*infoRec->Sync) (pScrn); + else + SET_SYNC_FLAG(infoRec); +} + +void +XAAWritePixmapScanline(ScrnInfoPtr pScrn, int x, int y, int w, int h, unsigned char *src, int srcwidth, /* bytes */ + int rop, + unsigned int planemask, int trans, int bpp, int depth) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + int dwords, skipleft, bufferNo = 0, Bpp = bpp >> 3; + Bool beCareful = FALSE; + CARD32 *base; + + if ((skipleft = (long) src & 0x03L)) { + if (!(infoRec->ScanlineImageWriteFlags & LEFT_EDGE_CLIPPING)) { + skipleft = 0; + beCareful = TRUE; + goto BAD_ALIGNMENT; + } + + if (Bpp == 3) + skipleft = 4 - skipleft; + else + skipleft /= Bpp; + + if ((x < skipleft) && !(infoRec->ScanlineImageWriteFlags & + LEFT_EDGE_CLIPPING_NEGATIVE_X)) { + skipleft = 0; + beCareful = TRUE; + goto BAD_ALIGNMENT; + } + + x -= skipleft; + w += skipleft; + + if (Bpp == 3) + src -= 3 * skipleft; + else + src = (unsigned char *) ((long) src & ~0x03L); + } + + BAD_ALIGNMENT: + + dwords = bytes_to_int32(w * Bpp); + + (*infoRec->SetupForScanlineImageWrite) (pScrn, rop, planemask, trans, bpp, + depth); + (*infoRec->SubsequentScanlineImageWriteRect) (pScrn, x, y, w, h, skipleft); + + if (beCareful) { + /* in cases with bad alignment we have to be careful not + to read beyond the end of the source */ + if (((x * Bpp) + (dwords << 2)) > srcwidth) + h--; + else + beCareful = FALSE; + } + + while (h--) { + base = (CARD32 *) infoRec->ScanlineImageWriteBuffers[bufferNo]; + XAAMoveDWORDS(base, (CARD32 *) src, dwords); + (*infoRec->SubsequentImageWriteScanline) (pScrn, bufferNo++); + src += srcwidth; + if (bufferNo >= infoRec->NumScanlineImageWriteBuffers) + bufferNo = 0; + } + + if (beCareful) { + int shift = ((long) src & 0x03L) << 3; + + base = (CARD32 *) infoRec->ScanlineImageWriteBuffers[bufferNo]; + if (--dwords) + XAAMoveDWORDS(base, (CARD32 *) src, dwords); + src = (unsigned char *) ((long) (src + (dwords << 2)) & ~0x03L); + + base[dwords] = *((CARD32 *) src) >> shift; + (*infoRec->SubsequentImageWriteScanline) (pScrn, bufferNo); + } + + SET_SYNC_FLAG(infoRec); +} + +void +XAAPutImage(DrawablePtr pDraw, + GCPtr pGC, + int depth, + int x, int y, int w, int h, int leftPad, int format, char *pImage) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + int bpp = BitsPerPixel(depth); + Bool depthBug = FALSE; + + if (!w || !h) + return; + + if (!RegionNumRects(pGC->pCompositeClip)) + return; + + depthBug = XAA_DEPTH_BUG(pGC); + + if (((format == ZPixmap) && infoRec->WritePixmap && + ((pDraw->bitsPerPixel == bpp) || + ((pDraw->bitsPerPixel == 24) && (bpp == 32) && + (infoRec->WritePixmapFlags & CONVERT_32BPP_TO_24BPP))) && + CHECK_ROP(pGC, infoRec->WritePixmapFlags) && + CHECK_ROPSRC(pGC, infoRec->WritePixmapFlags) && + CHECK_PLANEMASK(pGC, infoRec->WritePixmapFlags) && + CHECK_NO_GXCOPY(pGC, infoRec->WritePixmapFlags)) || + ((format == XYBitmap) && !depthBug && infoRec->WriteBitmap && + CHECK_ROP(pGC, infoRec->WriteBitmapFlags) && + CHECK_ROPSRC(pGC, infoRec->WriteBitmapFlags) && + CHECK_PLANEMASK(pGC, infoRec->WriteBitmapFlags) && + CHECK_COLORS(pGC, infoRec->WriteBitmapFlags) && + !(infoRec->WriteBitmapFlags & TRANSPARENCY_ONLY)) || + ((format == XYPixmap) && !depthBug && infoRec->WriteBitmap && + CHECK_ROP(pGC, infoRec->WriteBitmapFlags) && + CHECK_ROPSRC(pGC, infoRec->WriteBitmapFlags) && + !(infoRec->WriteBitmapFlags & NO_PLANEMASK) && + !(infoRec->WriteBitmapFlags & TRANSPARENCY_ONLY))) { + + int MaxBoxes = RegionNumRects(pGC->pCompositeClip); + BoxPtr pbox, pClipBoxes; + int nboxes, srcx, srcy, srcwidth; + xRectangle TheRect; + + TheRect.x = pDraw->x + x; + TheRect.y = pDraw->y + y; + TheRect.width = w; + TheRect.height = h; + + if (MaxBoxes > (infoRec->PreAllocSize / sizeof(BoxRec))) { + pClipBoxes = malloc(MaxBoxes * sizeof(BoxRec)); + if (!pClipBoxes) + return; + } + else + pClipBoxes = (BoxPtr) infoRec->PreAllocMem; + + nboxes = XAAGetRectClipBoxes(pGC, pClipBoxes, 1, &TheRect); + pbox = pClipBoxes; + + if (format == XYBitmap) { + srcwidth = BitmapBytePad(leftPad + w); + while (nboxes--) { + srcx = pbox->x1 - TheRect.x + leftPad; + srcy = pbox->y1 - TheRect.y; + (*infoRec->WriteBitmap) (infoRec->pScrn, pbox->x1, pbox->y1, + pbox->x2 - pbox->x1, + pbox->y2 - pbox->y1, + (unsigned char *) pImage + + (srcwidth * srcy) + ((srcx >> 5) << 2), + srcwidth, srcx & 31, pGC->fgPixel, + pGC->bgPixel, pGC->alu, + pGC->planemask); + pbox++; + } + } + else if (format == ZPixmap) { + int Bpp = bpp >> 3; + + srcwidth = PixmapBytePad(leftPad + w, depth); + while (nboxes--) { + srcx = pbox->x1 - TheRect.x + leftPad; + srcy = pbox->y1 - TheRect.y; + (*infoRec->WritePixmap) (infoRec->pScrn, pbox->x1, pbox->y1, + pbox->x2 - pbox->x1, + pbox->y2 - pbox->y1, + (unsigned char *) pImage + + (srcwidth * srcy) + (srcx * Bpp), + srcwidth, pGC->alu, pGC->planemask, -1, + Bpp << 3, depth); + pbox++; + } + } + else { /* XYPixmap */ + int depth = pGC->depth; + int numBox, increment; + unsigned long i, mask; + BoxPtr pntBox; + + srcwidth = BitmapBytePad(w + leftPad); + increment = h * srcwidth; + i = 1 << (depth - 1); + mask = ~0; + + if ((infoRec->pScrn->overlayFlags & OVERLAY_8_32_PLANAR) && + (pGC->depth == 8)) { + i = 0x80000000; + mask = 0xff000000; + } + + for (; i & mask; i >>= 1, pImage += increment) { + if (i & pGC->planemask) { + pntBox = pbox; + numBox = nboxes; + while (numBox--) { + srcx = pntBox->x1 - TheRect.x + leftPad; + srcy = pntBox->y1 - TheRect.y; + (*infoRec->WriteBitmap) (infoRec->pScrn, + pntBox->x1, pntBox->y1, + pntBox->x2 - pntBox->x1, + pntBox->y2 - pntBox->y1, + (unsigned char *) pImage + + (srcwidth * srcy) + + ((srcx >> 5) << 2), srcwidth, + srcx & 31, ~0, 0, pGC->alu, i); + pntBox++; + } + } + } + + } + + if (pClipBoxes != (BoxPtr) infoRec->PreAllocMem) + free(pClipBoxes); + } + else + XAAFallbackOps.PutImage(pDraw, pGC, depth, x, y, w, h, leftPad, + format, pImage); +} |