diff options
author | marha <marha@users.sourceforge.net> | 2012-03-23 10:05:55 +0100 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2012-03-23 10:05:55 +0100 |
commit | 0f834b91a4768673833ab4917e87d86c237bb1a6 (patch) | |
tree | 363489504ed4b2d360259b8de4c9e392918e5d02 /xorg-server/hw/xfree86/xaa/xaaCpyArea.c | |
parent | fc72edebf875378459368c5383d9023730cbca54 (diff) | |
download | vcxsrv-0f834b91a4768673833ab4917e87d86c237bb1a6.tar.gz vcxsrv-0f834b91a4768673833ab4917e87d86c237bb1a6.tar.bz2 vcxsrv-0f834b91a4768673833ab4917e87d86c237bb1a6.zip |
libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update
23 Mar 2012
Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaCpyArea.c')
-rw-r--r-- | xorg-server/hw/xfree86/xaa/xaaCpyArea.c | 796 |
1 files changed, 409 insertions, 387 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaCpyArea.c b/xorg-server/hw/xfree86/xaa/xaaCpyArea.c index 5e594633d..0b11b810e 100644 --- a/xorg-server/hw/xfree86/xaa/xaaCpyArea.c +++ b/xorg-server/hw/xfree86/xaa/xaaCpyArea.c @@ -1,387 +1,409 @@ -
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "misc.h"
-#include "xf86.h"
-#include "xf86_OSproc.h"
-
-#include <X11/X.h>
-#include "scrnintstr.h"
-#include "xf86str.h"
-#include "xaa.h"
-#include "xaalocal.h"
-#include "migc.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-
-/*
- Written mostly by Harm Hanemaayer (H.Hanemaayer@inter.nl.net).
- */
-
-
-RegionPtr
-XAACopyArea(
- DrawablePtr pSrcDrawable,
- DrawablePtr pDstDrawable,
- GC *pGC,
- int srcx, int srcy,
- int width, int height,
- int dstx, int dsty )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
-
- if(pDstDrawable->type == DRAWABLE_WINDOW) {
- if((pSrcDrawable->type == DRAWABLE_WINDOW) ||
- IS_OFFSCREEN_PIXMAP(pSrcDrawable)){
- if(infoRec->ScreenToScreenBitBlt &&
- CHECK_ROP(pGC,infoRec->ScreenToScreenBitBltFlags) &&
- CHECK_ROPSRC(pGC,infoRec->ScreenToScreenBitBltFlags) &&
- CHECK_PLANEMASK(pGC,infoRec->ScreenToScreenBitBltFlags))
- return (XAABitBlt( pSrcDrawable, pDstDrawable,
- pGC, srcx, srcy, width, height, dstx, dsty,
- XAADoBitBlt, 0L));
- } else {
- if(infoRec->WritePixmap &&
- ((pDstDrawable->bitsPerPixel == pSrcDrawable->bitsPerPixel) ||
- ((pDstDrawable->bitsPerPixel == 24) &&
- (pSrcDrawable->bitsPerPixel == 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))
- return (XAABitBlt( pSrcDrawable, pDstDrawable,
- pGC, srcx, srcy, width, height, dstx, dsty,
- XAADoImageWrite, 0L));
- }
- } else if(IS_OFFSCREEN_PIXMAP(pDstDrawable)){
- if((pSrcDrawable->type == DRAWABLE_WINDOW) ||
- IS_OFFSCREEN_PIXMAP(pSrcDrawable)){
- if(infoRec->ScreenToScreenBitBlt &&
- CHECK_ROP(pGC,infoRec->ScreenToScreenBitBltFlags) &&
- CHECK_ROPSRC(pGC,infoRec->ScreenToScreenBitBltFlags) &&
- CHECK_PLANEMASK(pGC,infoRec->ScreenToScreenBitBltFlags))
- return (XAABitBlt( pSrcDrawable, pDstDrawable,
- pGC, srcx, srcy, width, height, dstx, dsty,
- XAADoBitBlt, 0L));
- }
- }
-
- return (XAAFallbackOps.CopyArea(pSrcDrawable, pDstDrawable, pGC,
- srcx, srcy, width, height, dstx, dsty));
-}
-
-
-void
-XAADoBitBlt(
- DrawablePtr pSrc,
- DrawablePtr pDst,
- GC *pGC,
- RegionPtr prgnDst,
- DDXPointPtr pptSrc )
-{
- int nbox, careful;
- BoxPtr pbox, pboxTmp, pboxNext, pboxBase, pboxNew1, pboxNew2;
- DDXPointPtr pptTmp, pptNew1, pptNew2;
- int xdir, ydir;
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
-
- /* XXX we have to err on the side of safety when both are windows,
- * because we don't know if IncludeInferiors is being used.
- */
- careful = ((pSrc == pDst) ||
- ((pSrc->type == DRAWABLE_WINDOW) &&
- (pDst->type == DRAWABLE_WINDOW)));
-
- pbox = RegionRects(prgnDst);
- nbox = RegionNumRects(prgnDst);
-
- pboxNew1 = NULL;
- pptNew1 = NULL;
- pboxNew2 = NULL;
- pptNew2 = NULL;
- if (careful && (pptSrc->y < pbox->y1)) {
- /* walk source botttom to top */
- ydir = -1;
-
- if (nbox > 1) {
- /* keep ordering in each band, reverse order of bands */
- pboxNew1 = (BoxPtr)malloc(sizeof(BoxRec) * nbox);
- if(!pboxNew1)
- return;
- pptNew1 = (DDXPointPtr)malloc(sizeof(DDXPointRec) * nbox);
- if(!pptNew1) {
- free(pboxNew1);
- return;
- }
- pboxBase = pboxNext = pbox+nbox-1;
- while (pboxBase >= pbox) {
- while ((pboxNext >= pbox) &&
- (pboxBase->y1 == pboxNext->y1))
- pboxNext--;
- pboxTmp = pboxNext+1;
- pptTmp = pptSrc + (pboxTmp - pbox);
- while (pboxTmp <= pboxBase) {
- *pboxNew1++ = *pboxTmp++;
- *pptNew1++ = *pptTmp++;
- }
- pboxBase = pboxNext;
- }
- pboxNew1 -= nbox;
- pbox = pboxNew1;
- pptNew1 -= nbox;
- pptSrc = pptNew1;
- }
- } else {
- /* walk source top to bottom */
- ydir = 1;
- }
-
- if (careful && (pptSrc->x < pbox->x1)) {
- /* walk source right to left */
- xdir = -1;
-
- if (nbox > 1) {
- /* reverse order of rects in each band */
- pboxNew2 = (BoxPtr)malloc(sizeof(BoxRec) * nbox);
- pptNew2 = (DDXPointPtr)malloc(sizeof(DDXPointRec) * nbox);
- if(!pboxNew2 || !pptNew2) {
- free(pptNew2);
- free(pboxNew2);
- if (pboxNew1) {
- free(pptNew1);
- free(pboxNew1);
- }
- return;
- }
- pboxBase = pboxNext = pbox;
- while (pboxBase < pbox+nbox) {
- while ((pboxNext < pbox+nbox) &&
- (pboxNext->y1 == pboxBase->y1))
- pboxNext++;
- pboxTmp = pboxNext;
- pptTmp = pptSrc + (pboxTmp - pbox);
- while (pboxTmp != pboxBase) {
- *pboxNew2++ = *--pboxTmp;
- *pptNew2++ = *--pptTmp;
- }
- pboxBase = pboxNext;
- }
- pboxNew2 -= nbox;
- pbox = pboxNew2;
- pptNew2 -= nbox;
- pptSrc = pptNew2;
- }
- } else {
- /* walk source left to right */
- xdir = 1;
- }
-
- (*infoRec->ScreenToScreenBitBlt)(infoRec->pScrn, nbox, pptSrc, pbox,
- xdir, ydir, pGC->alu, pGC->planemask);
-
- if (pboxNew2) {
- free(pptNew2);
- free(pboxNew2);
- }
- if (pboxNew1) {
- free(pptNew1);
- free(pboxNew1);
- }
-
-}
-
-void
-XAADoImageWrite(
- DrawablePtr pSrc,
- DrawablePtr pDst,
- GC *pGC,
- RegionPtr prgnDst,
- DDXPointPtr pptSrc )
-{
- int srcwidth;
- unsigned char* psrcBase; /* start of image */
- unsigned char* srcPntr; /* index into the image */
- BoxPtr pbox = RegionRects(prgnDst);
- int nbox = RegionNumRects(prgnDst);
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- int Bpp = pSrc->bitsPerPixel >> 3;
-
- psrcBase = (unsigned char *)((PixmapPtr)pSrc)->devPrivate.ptr;
- srcwidth = (int)((PixmapPtr)pSrc)->devKind;
-
- for(; nbox; pbox++, pptSrc++, nbox--) {
- srcPntr = psrcBase + (pptSrc->y * srcwidth) + (pptSrc->x * Bpp);
-
- (*infoRec->WritePixmap)(infoRec->pScrn, pbox->x1, pbox->y1,
- pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, srcPntr, srcwidth,
- pGC->alu, pGC->planemask, -1, pSrc->bitsPerPixel, pSrc->depth);
- }
-}
-
-
-void
-XAADoImageRead(
- DrawablePtr pSrc,
- DrawablePtr pDst,
- GC *pGC,
- RegionPtr prgnDst,
- DDXPointPtr pptSrc )
-{
- int dstwidth;
- unsigned char* pdstBase; /* start of image */
- unsigned char* dstPntr; /* index into the image */
- BoxPtr pbox = RegionRects(prgnDst);
- int nbox = RegionNumRects(prgnDst);
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- int Bpp = pSrc->bitsPerPixel >> 3; /* wouldn't get here unless both
- src and dst have same bpp */
-
- pdstBase = (unsigned char *)((PixmapPtr)pDst)->devPrivate.ptr;
- dstwidth = (int)((PixmapPtr)pDst)->devKind;
-
- for(; nbox; pbox++, pptSrc++, nbox--) {
- dstPntr = pdstBase + (pbox->y1 * dstwidth) + (pbox->x1 * Bpp);
-
- (*infoRec->ReadPixmap)(infoRec->pScrn, pptSrc->x, pptSrc->y,
- pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, dstPntr, dstwidth,
- pSrc->bitsPerPixel, pSrc->depth);
- }
-}
-
-
-void
-XAAScreenToScreenBitBlt(
- ScrnInfoPtr pScrn,
- int nbox,
- DDXPointPtr pptSrc,
- BoxPtr pbox,
- int xdir, int ydir,
- int alu,
- unsigned int planemask )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int dirsetup;
-
- if ((!(infoRec->CopyAreaFlags & ONLY_TWO_BITBLT_DIRECTIONS)
- || (xdir == ydir)) &&
- (!(infoRec->CopyAreaFlags & ONLY_LEFT_TO_RIGHT_BITBLT)
- || (xdir == 1))) {
- (*infoRec->SetupForScreenToScreenCopy)(pScrn,
- xdir, ydir, alu, planemask, -1);
- for (; nbox; pbox++, pptSrc++, nbox--)
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,pptSrc->x, pptSrc->y,
- pbox->x1, pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
- SET_SYNC_FLAG(infoRec);
- return;
- }
-
- if (infoRec->CopyAreaFlags & ONLY_LEFT_TO_RIGHT_BITBLT) {
- /*
- * This is the case of a chip that only supports xdir = 1,
- * with ydir = 1 or ydir = -1, but we have xdir = -1.
- */
- (*infoRec->SetupForScreenToScreenCopy)(pScrn,
- 1, ydir, alu, planemask, -1);
- for (; nbox; pbox++, pptSrc++, nbox--)
- if (pptSrc->y != pbox->y1 || pptSrc->x >= pbox->x1)
- /* No problem. Do a xdir = 1 blit instead. */
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,
- pptSrc->x, pptSrc->y, pbox->x1, pbox->y1,
- pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
- else
- {
- /*
- * This is the difficult case. Needs striping into
- * non-overlapping horizontal chunks.
- */
- int stripeWidth, w, fullStripes, extra, i;
- stripeWidth = 16;
- w = pbox->x2 - pbox->x1;
- if (pbox->x1 - pptSrc->x < stripeWidth)
- stripeWidth = pbox->x1 - pptSrc->x;
- fullStripes = w / stripeWidth;
- extra = w % stripeWidth;
-
- /* First, take care of the little bit on the far right */
- if (extra)
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,
- pptSrc->x + fullStripes * stripeWidth, pptSrc->y,
- pbox->x1 + fullStripes * stripeWidth, pbox->y1,
- extra, pbox->y2 - pbox->y1);
-
- /* Now, take care of the rest of the blit */
- for (i = fullStripes - 1; i >= 0; i--)
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,
- pptSrc->x + i * stripeWidth, pptSrc->y,
- pbox->x1 + i * stripeWidth, pbox->y1,
- stripeWidth, pbox->y2 - pbox->y1);
- }
- SET_SYNC_FLAG(infoRec);
- return;
- }
-
- /*
- * Now the case of a chip that only supports xdir = ydir = 1 or
- * xdir = ydir = -1, but we have xdir != ydir.
- */
- dirsetup = 0; /* No direction set up yet. */
- for (; nbox; pbox++, pptSrc++, nbox--) {
- if (xdir == 1 && pptSrc->y != pbox->y1) {
- /* Do a xdir = ydir = -1 blit instead. */
- if (dirsetup != -1) {
- (*infoRec->SetupForScreenToScreenCopy)(pScrn,
- -1, -1, alu, planemask, -1);
- dirsetup = -1;
- }
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,pptSrc->x, pptSrc->y,
- pbox->x1, pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
- }
- else if (xdir == -1 && pptSrc->y != pbox->y1) {
- /* Do a xdir = ydir = 1 blit instead. */
- if (dirsetup != 1) {
- (*infoRec->SetupForScreenToScreenCopy)(pScrn,
- 1, 1, alu, planemask, -1);
- dirsetup = 1;
- }
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,pptSrc->x, pptSrc->y,
- pbox->x1, pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
- }
- else
- if (xdir == 1) {
- /*
- * xdir = 1, ydir = -1.
- * Perform line-by-line xdir = ydir = 1 blits, going up.
- */
- int i;
- if (dirsetup != 1) {
- (*infoRec->SetupForScreenToScreenCopy)(pScrn,
- 1, 1, alu, planemask, -1);
- dirsetup = 1;
- }
- for (i = pbox->y2 - pbox->y1 - 1; i >= 0; i--)
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,
- pptSrc->x, pptSrc->y + i, pbox->x1, pbox->y1 + i,
- pbox->x2 - pbox->x1, 1);
- }
- else {
- /*
- * xdir = -1, ydir = 1.
- * Perform line-by-line xdir = ydir = -1 blits, going down.
- */
- int i;
- if (dirsetup != -1) {
- (*infoRec->SetupForScreenToScreenCopy)(pScrn,
- -1, -1, alu, planemask, -1);
- dirsetup = -1;
- }
- for (i = 0; i < pbox->y2 - pbox->y1; i++)
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,
- pptSrc->x, pptSrc->y + i, pbox->x1, pbox->y1 + i,
- pbox->x2 - pbox->x1, 1);
- }
- } /* next box */
- SET_SYNC_FLAG(infoRec);
-}
+ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "misc.h" +#include "xf86.h" +#include "xf86_OSproc.h" + +#include <X11/X.h> +#include "scrnintstr.h" +#include "xf86str.h" +#include "xaa.h" +#include "xaalocal.h" +#include "migc.h" +#include "gcstruct.h" +#include "pixmapstr.h" + +/* + Written mostly by Harm Hanemaayer (H.Hanemaayer@inter.nl.net). + */ + +RegionPtr +XAACopyArea(DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GC * pGC, + int srcx, int srcy, int width, int height, int dstx, int dsty) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + + if (pDstDrawable->type == DRAWABLE_WINDOW) { + if ((pSrcDrawable->type == DRAWABLE_WINDOW) || + IS_OFFSCREEN_PIXMAP(pSrcDrawable)) { + if (infoRec->ScreenToScreenBitBlt && + CHECK_ROP(pGC, infoRec->ScreenToScreenBitBltFlags) && + CHECK_ROPSRC(pGC, infoRec->ScreenToScreenBitBltFlags) && + CHECK_PLANEMASK(pGC, infoRec->ScreenToScreenBitBltFlags)) + return (XAABitBlt(pSrcDrawable, pDstDrawable, + pGC, srcx, srcy, width, height, dstx, dsty, + XAADoBitBlt, 0L)); + } + else { + if (infoRec->WritePixmap && + ((pDstDrawable->bitsPerPixel == pSrcDrawable->bitsPerPixel) || + ((pDstDrawable->bitsPerPixel == 24) && + (pSrcDrawable->bitsPerPixel == 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)) + return (XAABitBlt(pSrcDrawable, pDstDrawable, + pGC, srcx, srcy, width, height, dstx, dsty, + XAADoImageWrite, 0L)); + } + } + else if (IS_OFFSCREEN_PIXMAP(pDstDrawable)) { + if ((pSrcDrawable->type == DRAWABLE_WINDOW) || + IS_OFFSCREEN_PIXMAP(pSrcDrawable)) { + if (infoRec->ScreenToScreenBitBlt && + CHECK_ROP(pGC, infoRec->ScreenToScreenBitBltFlags) && + CHECK_ROPSRC(pGC, infoRec->ScreenToScreenBitBltFlags) && + CHECK_PLANEMASK(pGC, infoRec->ScreenToScreenBitBltFlags)) + return (XAABitBlt(pSrcDrawable, pDstDrawable, + pGC, srcx, srcy, width, height, dstx, dsty, + XAADoBitBlt, 0L)); + } + } + + return (XAAFallbackOps.CopyArea(pSrcDrawable, pDstDrawable, pGC, + srcx, srcy, width, height, dstx, dsty)); +} + +void +XAADoBitBlt(DrawablePtr pSrc, + DrawablePtr pDst, GC * pGC, RegionPtr prgnDst, DDXPointPtr pptSrc) +{ + int nbox, careful; + BoxPtr pbox, pboxTmp, pboxNext, pboxBase, pboxNew1, pboxNew2; + DDXPointPtr pptTmp, pptNew1, pptNew2; + int xdir, ydir; + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + + /* XXX we have to err on the side of safety when both are windows, + * because we don't know if IncludeInferiors is being used. + */ + careful = ((pSrc == pDst) || + ((pSrc->type == DRAWABLE_WINDOW) && + (pDst->type == DRAWABLE_WINDOW))); + + pbox = RegionRects(prgnDst); + nbox = RegionNumRects(prgnDst); + + pboxNew1 = NULL; + pptNew1 = NULL; + pboxNew2 = NULL; + pptNew2 = NULL; + if (careful && (pptSrc->y < pbox->y1)) { + /* walk source botttom to top */ + ydir = -1; + + if (nbox > 1) { + /* keep ordering in each band, reverse order of bands */ + pboxNew1 = (BoxPtr) malloc(sizeof(BoxRec) * nbox); + if (!pboxNew1) + return; + pptNew1 = (DDXPointPtr) malloc(sizeof(DDXPointRec) * nbox); + if (!pptNew1) { + free(pboxNew1); + return; + } + pboxBase = pboxNext = pbox + nbox - 1; + while (pboxBase >= pbox) { + while ((pboxNext >= pbox) && (pboxBase->y1 == pboxNext->y1)) + pboxNext--; + pboxTmp = pboxNext + 1; + pptTmp = pptSrc + (pboxTmp - pbox); + while (pboxTmp <= pboxBase) { + *pboxNew1++ = *pboxTmp++; + *pptNew1++ = *pptTmp++; + } + pboxBase = pboxNext; + } + pboxNew1 -= nbox; + pbox = pboxNew1; + pptNew1 -= nbox; + pptSrc = pptNew1; + } + } + else { + /* walk source top to bottom */ + ydir = 1; + } + + if (careful && (pptSrc->x < pbox->x1)) { + /* walk source right to left */ + xdir = -1; + + if (nbox > 1) { + /* reverse order of rects in each band */ + pboxNew2 = (BoxPtr) malloc(sizeof(BoxRec) * nbox); + pptNew2 = (DDXPointPtr) malloc(sizeof(DDXPointRec) * nbox); + if (!pboxNew2 || !pptNew2) { + free(pptNew2); + free(pboxNew2); + if (pboxNew1) { + free(pptNew1); + free(pboxNew1); + } + return; + } + pboxBase = pboxNext = pbox; + while (pboxBase < pbox + nbox) { + while ((pboxNext < pbox + nbox) && + (pboxNext->y1 == pboxBase->y1)) + pboxNext++; + pboxTmp = pboxNext; + pptTmp = pptSrc + (pboxTmp - pbox); + while (pboxTmp != pboxBase) { + *pboxNew2++ = *--pboxTmp; + *pptNew2++ = *--pptTmp; + } + pboxBase = pboxNext; + } + pboxNew2 -= nbox; + pbox = pboxNew2; + pptNew2 -= nbox; + pptSrc = pptNew2; + } + } + else { + /* walk source left to right */ + xdir = 1; + } + + (*infoRec->ScreenToScreenBitBlt) (infoRec->pScrn, nbox, pptSrc, pbox, + xdir, ydir, pGC->alu, pGC->planemask); + + if (pboxNew2) { + free(pptNew2); + free(pboxNew2); + } + if (pboxNew1) { + free(pptNew1); + free(pboxNew1); + } + +} + +void +XAADoImageWrite(DrawablePtr pSrc, + DrawablePtr pDst, + GC * pGC, RegionPtr prgnDst, DDXPointPtr pptSrc) +{ + int srcwidth; + unsigned char *psrcBase; /* start of image */ + unsigned char *srcPntr; /* index into the image */ + BoxPtr pbox = RegionRects(prgnDst); + int nbox = RegionNumRects(prgnDst); + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + int Bpp = pSrc->bitsPerPixel >> 3; + + psrcBase = (unsigned char *) ((PixmapPtr) pSrc)->devPrivate.ptr; + srcwidth = (int) ((PixmapPtr) pSrc)->devKind; + + for (; nbox; pbox++, pptSrc++, nbox--) { + srcPntr = psrcBase + (pptSrc->y * srcwidth) + (pptSrc->x * Bpp); + + (*infoRec->WritePixmap) (infoRec->pScrn, pbox->x1, pbox->y1, + pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, + srcPntr, srcwidth, pGC->alu, pGC->planemask, + -1, pSrc->bitsPerPixel, pSrc->depth); + } +} + +void +XAADoImageRead(DrawablePtr pSrc, + DrawablePtr pDst, + GC * pGC, RegionPtr prgnDst, DDXPointPtr pptSrc) +{ + int dstwidth; + unsigned char *pdstBase; /* start of image */ + unsigned char *dstPntr; /* index into the image */ + BoxPtr pbox = RegionRects(prgnDst); + int nbox = RegionNumRects(prgnDst); + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + int Bpp = pSrc->bitsPerPixel >> 3; /* wouldn't get here unless both + src and dst have same bpp */ + + pdstBase = (unsigned char *) ((PixmapPtr) pDst)->devPrivate.ptr; + dstwidth = (int) ((PixmapPtr) pDst)->devKind; + + for (; nbox; pbox++, pptSrc++, nbox--) { + dstPntr = pdstBase + (pbox->y1 * dstwidth) + (pbox->x1 * Bpp); + + (*infoRec->ReadPixmap) (infoRec->pScrn, pptSrc->x, pptSrc->y, + pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, + dstPntr, dstwidth, pSrc->bitsPerPixel, + pSrc->depth); + } +} + +void +XAAScreenToScreenBitBlt(ScrnInfoPtr pScrn, + int nbox, + DDXPointPtr pptSrc, + BoxPtr pbox, + int xdir, int ydir, int alu, unsigned int planemask) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + int dirsetup; + + if ((!(infoRec->CopyAreaFlags & ONLY_TWO_BITBLT_DIRECTIONS) + || (xdir == ydir)) && + (!(infoRec->CopyAreaFlags & ONLY_LEFT_TO_RIGHT_BITBLT) + || (xdir == 1))) { + (*infoRec->SetupForScreenToScreenCopy) (pScrn, + xdir, ydir, alu, planemask, -1); + for (; nbox; pbox++, pptSrc++, nbox--) + (*infoRec->SubsequentScreenToScreenCopy) (pScrn, pptSrc->x, + pptSrc->y, pbox->x1, + pbox->y1, + pbox->x2 - pbox->x1, + pbox->y2 - pbox->y1); + SET_SYNC_FLAG(infoRec); + return; + } + + if (infoRec->CopyAreaFlags & ONLY_LEFT_TO_RIGHT_BITBLT) { + /* + * This is the case of a chip that only supports xdir = 1, + * with ydir = 1 or ydir = -1, but we have xdir = -1. + */ + (*infoRec->SetupForScreenToScreenCopy) (pScrn, + 1, ydir, alu, planemask, -1); + for (; nbox; pbox++, pptSrc++, nbox--) + if (pptSrc->y != pbox->y1 || pptSrc->x >= pbox->x1) + /* No problem. Do a xdir = 1 blit instead. */ + (*infoRec->SubsequentScreenToScreenCopy) (pScrn, + pptSrc->x, pptSrc->y, + pbox->x1, pbox->y1, + pbox->x2 - pbox->x1, + pbox->y2 - pbox->y1); + else { + /* + * This is the difficult case. Needs striping into + * non-overlapping horizontal chunks. + */ + int stripeWidth, w, fullStripes, extra, i; + + stripeWidth = 16; + w = pbox->x2 - pbox->x1; + if (pbox->x1 - pptSrc->x < stripeWidth) + stripeWidth = pbox->x1 - pptSrc->x; + fullStripes = w / stripeWidth; + extra = w % stripeWidth; + + /* First, take care of the little bit on the far right */ + if (extra) + (*infoRec->SubsequentScreenToScreenCopy) (pScrn, + pptSrc->x + + fullStripes * + stripeWidth, + pptSrc->y, + pbox->x1 + + fullStripes * + stripeWidth, + pbox->y1, extra, + pbox->y2 - + pbox->y1); + + /* Now, take care of the rest of the blit */ + for (i = fullStripes - 1; i >= 0; i--) + (*infoRec->SubsequentScreenToScreenCopy) (pScrn, + pptSrc->x + + i * stripeWidth, + pptSrc->y, + pbox->x1 + + i * stripeWidth, + pbox->y1, + stripeWidth, + pbox->y2 - + pbox->y1); + } + SET_SYNC_FLAG(infoRec); + return; + } + + /* + * Now the case of a chip that only supports xdir = ydir = 1 or + * xdir = ydir = -1, but we have xdir != ydir. + */ + dirsetup = 0; /* No direction set up yet. */ + for (; nbox; pbox++, pptSrc++, nbox--) { + if (xdir == 1 && pptSrc->y != pbox->y1) { + /* Do a xdir = ydir = -1 blit instead. */ + if (dirsetup != -1) { + (*infoRec->SetupForScreenToScreenCopy) (pScrn, + -1, -1, alu, planemask, + -1); + dirsetup = -1; + } + (*infoRec->SubsequentScreenToScreenCopy) (pScrn, pptSrc->x, + pptSrc->y, pbox->x1, + pbox->y1, + pbox->x2 - pbox->x1, + pbox->y2 - pbox->y1); + } + else if (xdir == -1 && pptSrc->y != pbox->y1) { + /* Do a xdir = ydir = 1 blit instead. */ + if (dirsetup != 1) { + (*infoRec->SetupForScreenToScreenCopy) (pScrn, + 1, 1, alu, planemask, + -1); + dirsetup = 1; + } + (*infoRec->SubsequentScreenToScreenCopy) (pScrn, pptSrc->x, + pptSrc->y, pbox->x1, + pbox->y1, + pbox->x2 - pbox->x1, + pbox->y2 - pbox->y1); + } + else if (xdir == 1) { + /* + * xdir = 1, ydir = -1. + * Perform line-by-line xdir = ydir = 1 blits, going up. + */ + int i; + + if (dirsetup != 1) { + (*infoRec->SetupForScreenToScreenCopy) (pScrn, + 1, 1, alu, planemask, + -1); + dirsetup = 1; + } + for (i = pbox->y2 - pbox->y1 - 1; i >= 0; i--) + (*infoRec->SubsequentScreenToScreenCopy) (pScrn, + pptSrc->x, + pptSrc->y + i, + pbox->x1, + pbox->y1 + i, + pbox->x2 - pbox->x1, + 1); + } + else { + /* + * xdir = -1, ydir = 1. + * Perform line-by-line xdir = ydir = -1 blits, going down. + */ + int i; + + if (dirsetup != -1) { + (*infoRec->SetupForScreenToScreenCopy) (pScrn, + -1, -1, alu, planemask, + -1); + dirsetup = -1; + } + for (i = 0; i < pbox->y2 - pbox->y1; i++) + (*infoRec->SubsequentScreenToScreenCopy) (pScrn, + pptSrc->x, + pptSrc->y + i, + pbox->x1, + pbox->y1 + i, + pbox->x2 - pbox->x1, + 1); + } + } /* next box */ + SET_SYNC_FLAG(infoRec); +} |