diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaBitBlt.c')
| -rw-r--r-- | xorg-server/hw/xfree86/xaa/xaaBitBlt.c | 450 |
1 files changed, 229 insertions, 221 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaBitBlt.c b/xorg-server/hw/xfree86/xaa/xaaBitBlt.c index 126a4ee65..c1595c497 100644 --- a/xorg-server/hw/xfree86/xaa/xaaBitBlt.c +++ b/xorg-server/hw/xfree86/xaa/xaaBitBlt.c @@ -1,221 +1,229 @@ -
-/*
- This is a lighter version of cfbBitBlt. We calculate the boxes
- when accelerating pixmap->screen and screen->screen copies.
- We also pass the GC to the doBitBlt function so that it has access
- to the fg and bg so CopyPlane can use this.
-*/
-
-#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 "mi.h"
-#include "pixmapstr.h"
-#include "gcstruct.h"
-#include "windowstr.h"
-#include "xaalocal.h"
-
-
-RegionPtr
-XAABitBlt(
- DrawablePtr pSrcDrawable,
- DrawablePtr pDstDrawable,
- GC *pGC,
- int srcx, int srcy,
- int width, int height,
- int dstx, int dsty,
- void (*doBitBlt)(DrawablePtr, DrawablePtr, GCPtr, RegionPtr, DDXPointPtr),
- unsigned long bitPlane )
-{
-
- RegionPtr prgnSrcClip = NULL; /* may be a new region, or just a copy */
- RegionPtr prgnExposed;
- Bool freeSrcClip = FALSE;
- RegionRec rgnDst;
- DDXPointPtr pptSrc, ppt;
- DDXPointRec origDest;
- BoxPtr pbox;
- BoxRec fastBox;
- int i, dx, dy, numRects;
- xRectangle origSource;
- int fastClip = 0; /* for fast clipping with pixmap source */
- int fastExpose = 0; /* for fast exposures with pixmap source */
-
- origSource.x = srcx;
- origSource.y = srcy;
- origSource.width = width;
- origSource.height = height;
- origDest.x = dstx;
- origDest.y = dsty;
-
- if (pSrcDrawable->pScreen->SourceValidate) {
- (*pSrcDrawable->pScreen->SourceValidate) (
- pSrcDrawable, srcx, srcy, width, height,
- pGC->subWindowMode);
- }
-
- srcx += pSrcDrawable->x;
- srcy += pSrcDrawable->y;
-
- /* clip the source */
- if (pSrcDrawable->type == DRAWABLE_PIXMAP) {
- if ((pSrcDrawable == pDstDrawable) && (pGC->clientClipType == CT_NONE))
- prgnSrcClip = pGC->pCompositeClip;
- else
- fastClip = 1;
- } else { /* Window */
- if (pGC->subWindowMode == IncludeInferiors) {
- if (!((WindowPtr) pSrcDrawable)->parent) {
- /*
- * special case bitblt from root window in
- * IncludeInferiors mode; just like from a pixmap
- */
- fastClip = 1;
- } else if ((pSrcDrawable == pDstDrawable) &&
- (pGC->clientClipType == CT_NONE)) {
- prgnSrcClip = pGC->pCompositeClip;
- } else {
- prgnSrcClip = NotClippedByChildren((WindowPtr)pSrcDrawable);
- freeSrcClip = TRUE;
- }
- } else {
- prgnSrcClip = &((WindowPtr)pSrcDrawable)->clipList;
- }
- }
-
- fastBox.x1 = srcx;
- fastBox.y1 = srcy;
- fastBox.x2 = srcx + width;
- fastBox.y2 = srcy + height;
-
- /* Don't create a source region if we are doing a fast clip */
- if (fastClip) {
- fastExpose = 1;
- /*
- * clip the source; if regions extend beyond the source size,
- * make sure exposure events get sent
- */
- if (fastBox.x1 < pSrcDrawable->x) {
- fastBox.x1 = pSrcDrawable->x;
- fastExpose = 0;
- }
- if (fastBox.y1 < pSrcDrawable->y) {
- fastBox.y1 = pSrcDrawable->y;
- fastExpose = 0;
- }
- if (fastBox.x2 > pSrcDrawable->x + (int) pSrcDrawable->width) {
- fastBox.x2 = pSrcDrawable->x + (int) pSrcDrawable->width;
- fastExpose = 0;
- }
- if (fastBox.y2 > pSrcDrawable->y + (int) pSrcDrawable->height) {
- fastBox.y2 = pSrcDrawable->y + (int) pSrcDrawable->height;
- fastExpose = 0;
- }
- } else {
- RegionInit(&rgnDst, &fastBox, 1);
- RegionIntersect(&rgnDst, &rgnDst, prgnSrcClip);
- }
-
- dstx += pDstDrawable->x;
- dsty += pDstDrawable->y;
-
- if (pDstDrawable->type == DRAWABLE_WINDOW) {
- if (!((WindowPtr)pDstDrawable)->realized) {
- if (!fastClip)
- RegionUninit(&rgnDst);
- if (freeSrcClip)
- RegionDestroy(prgnSrcClip);
- return NULL;
- }
- }
-
- dx = srcx - dstx;
- dy = srcy - dsty;
-
- /* Translate and clip the dst to the destination composite clip */
- if (fastClip) {
- RegionPtr cclip;
-
- /* Translate the region directly */
- fastBox.x1 -= dx;
- fastBox.x2 -= dx;
- fastBox.y1 -= dy;
- fastBox.y2 -= dy;
-
- /* If the destination composite clip is one rectangle we can
- do the clip directly. Otherwise we have to create a full
- blown region and call intersect */
-
- cclip = pGC->pCompositeClip;
- if (RegionNumRects(cclip) == 1) {
- BoxPtr pBox = RegionRects(cclip);
-
- if (fastBox.x1 < pBox->x1) fastBox.x1 = pBox->x1;
- if (fastBox.x2 > pBox->x2) fastBox.x2 = pBox->x2;
- if (fastBox.y1 < pBox->y1) fastBox.y1 = pBox->y1;
- if (fastBox.y2 > pBox->y2) fastBox.y2 = pBox->y2;
-
- /* Check to see if the region is empty */
- if (fastBox.x1 >= fastBox.x2 || fastBox.y1 >= fastBox.y2) {
- RegionNull(&rgnDst);
- } else {
- RegionInit(&rgnDst, &fastBox, 1);
- }
- } else {
- /* We must turn off fastClip now, since we must create
- a full blown region. It is intersected with the
- composite clip below. */
- fastClip = 0;
- RegionInit(&rgnDst, &fastBox,1);
- }
- } else {
- RegionTranslate(&rgnDst, -dx, -dy);
- }
-
- if (!fastClip) {
- RegionIntersect(&rgnDst, &rgnDst,
- pGC->pCompositeClip);
- }
-
- /* Do bit blitting */
- numRects = RegionNumRects(&rgnDst);
- if (numRects && width && height) {
- if(!(pptSrc = (DDXPointPtr)malloc(numRects *
- sizeof(DDXPointRec)))) {
- RegionUninit(&rgnDst);
- if (freeSrcClip)
- RegionDestroy(prgnSrcClip);
- return NULL;
- }
- pbox = RegionRects(&rgnDst);
- ppt = pptSrc;
- for (i = numRects; --i >= 0; pbox++, ppt++) {
- ppt->x = pbox->x1 + dx;
- ppt->y = pbox->y1 + dy;
- }
-
- (*doBitBlt) (pSrcDrawable, pDstDrawable, pGC, &rgnDst, pptSrc);
- free(pptSrc);
- }
-
- prgnExposed = NULL;
- if (pGC->fExpose) {
- /* Pixmap sources generate a NoExposed (we return NULL to do this) */
- if (!fastExpose)
- prgnExposed = miHandleExposures(pSrcDrawable, pDstDrawable, pGC,
- origSource.x, origSource.y,
- (int)origSource.width,
- (int)origSource.height,
- origDest.x, origDest.y, bitPlane);
- }
- RegionUninit(&rgnDst);
- if (freeSrcClip)
- RegionDestroy(prgnSrcClip);
- return prgnExposed;
-}
+ +/* + This is a lighter version of cfbBitBlt. We calculate the boxes + when accelerating pixmap->screen and screen->screen copies. + We also pass the GC to the doBitBlt function so that it has access + to the fg and bg so CopyPlane can use this. +*/ + +#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 "mi.h" +#include "pixmapstr.h" +#include "gcstruct.h" +#include "windowstr.h" +#include "xaalocal.h" + +RegionPtr +XAABitBlt(DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GC * pGC, + int srcx, int srcy, + int width, int height, + int dstx, int dsty, + void (*doBitBlt) (DrawablePtr, DrawablePtr, GCPtr, RegionPtr, + DDXPointPtr), unsigned long bitPlane) +{ + + RegionPtr prgnSrcClip = NULL; /* may be a new region, or just a copy */ + RegionPtr prgnExposed; + Bool freeSrcClip = FALSE; + RegionRec rgnDst; + DDXPointPtr pptSrc, ppt; + DDXPointRec origDest; + BoxPtr pbox; + BoxRec fastBox; + int i, dx, dy, numRects; + xRectangle origSource; + int fastClip = 0; /* for fast clipping with pixmap source */ + int fastExpose = 0; /* for fast exposures with pixmap source */ + + origSource.x = srcx; + origSource.y = srcy; + origSource.width = width; + origSource.height = height; + origDest.x = dstx; + origDest.y = dsty; + + if (pSrcDrawable->pScreen->SourceValidate) { + (*pSrcDrawable->pScreen->SourceValidate) (pSrcDrawable, srcx, srcy, + width, height, + pGC->subWindowMode); + } + + srcx += pSrcDrawable->x; + srcy += pSrcDrawable->y; + + /* clip the source */ + if (pSrcDrawable->type == DRAWABLE_PIXMAP) { + if ((pSrcDrawable == pDstDrawable) && (pGC->clientClipType == CT_NONE)) + prgnSrcClip = pGC->pCompositeClip; + else + fastClip = 1; + } + else { /* Window */ + if (pGC->subWindowMode == IncludeInferiors) { + if (!((WindowPtr) pSrcDrawable)->parent) { + /* + * special case bitblt from root window in + * IncludeInferiors mode; just like from a pixmap + */ + fastClip = 1; + } + else if ((pSrcDrawable == pDstDrawable) && + (pGC->clientClipType == CT_NONE)) { + prgnSrcClip = pGC->pCompositeClip; + } + else { + prgnSrcClip = NotClippedByChildren((WindowPtr) pSrcDrawable); + freeSrcClip = TRUE; + } + } + else { + prgnSrcClip = &((WindowPtr) pSrcDrawable)->clipList; + } + } + + fastBox.x1 = srcx; + fastBox.y1 = srcy; + fastBox.x2 = srcx + width; + fastBox.y2 = srcy + height; + + /* Don't create a source region if we are doing a fast clip */ + if (fastClip) { + fastExpose = 1; + /* + * clip the source; if regions extend beyond the source size, + * make sure exposure events get sent + */ + if (fastBox.x1 < pSrcDrawable->x) { + fastBox.x1 = pSrcDrawable->x; + fastExpose = 0; + } + if (fastBox.y1 < pSrcDrawable->y) { + fastBox.y1 = pSrcDrawable->y; + fastExpose = 0; + } + if (fastBox.x2 > pSrcDrawable->x + (int) pSrcDrawable->width) { + fastBox.x2 = pSrcDrawable->x + (int) pSrcDrawable->width; + fastExpose = 0; + } + if (fastBox.y2 > pSrcDrawable->y + (int) pSrcDrawable->height) { + fastBox.y2 = pSrcDrawable->y + (int) pSrcDrawable->height; + fastExpose = 0; + } + } + else { + RegionInit(&rgnDst, &fastBox, 1); + RegionIntersect(&rgnDst, &rgnDst, prgnSrcClip); + } + + dstx += pDstDrawable->x; + dsty += pDstDrawable->y; + + if (pDstDrawable->type == DRAWABLE_WINDOW) { + if (!((WindowPtr) pDstDrawable)->realized) { + if (!fastClip) + RegionUninit(&rgnDst); + if (freeSrcClip) + RegionDestroy(prgnSrcClip); + return NULL; + } + } + + dx = srcx - dstx; + dy = srcy - dsty; + + /* Translate and clip the dst to the destination composite clip */ + if (fastClip) { + RegionPtr cclip; + + /* Translate the region directly */ + fastBox.x1 -= dx; + fastBox.x2 -= dx; + fastBox.y1 -= dy; + fastBox.y2 -= dy; + + /* If the destination composite clip is one rectangle we can + do the clip directly. Otherwise we have to create a full + blown region and call intersect */ + + cclip = pGC->pCompositeClip; + if (RegionNumRects(cclip) == 1) { + BoxPtr pBox = RegionRects(cclip); + + if (fastBox.x1 < pBox->x1) + fastBox.x1 = pBox->x1; + if (fastBox.x2 > pBox->x2) + fastBox.x2 = pBox->x2; + if (fastBox.y1 < pBox->y1) + fastBox.y1 = pBox->y1; + if (fastBox.y2 > pBox->y2) + fastBox.y2 = pBox->y2; + + /* Check to see if the region is empty */ + if (fastBox.x1 >= fastBox.x2 || fastBox.y1 >= fastBox.y2) { + RegionNull(&rgnDst); + } + else { + RegionInit(&rgnDst, &fastBox, 1); + } + } + else { + /* We must turn off fastClip now, since we must create + a full blown region. It is intersected with the + composite clip below. */ + fastClip = 0; + RegionInit(&rgnDst, &fastBox, 1); + } + } + else { + RegionTranslate(&rgnDst, -dx, -dy); + } + + if (!fastClip) { + RegionIntersect(&rgnDst, &rgnDst, pGC->pCompositeClip); + } + + /* Do bit blitting */ + numRects = RegionNumRects(&rgnDst); + if (numRects && width && height) { + if (!(pptSrc = (DDXPointPtr) malloc(numRects * sizeof(DDXPointRec)))) { + RegionUninit(&rgnDst); + if (freeSrcClip) + RegionDestroy(prgnSrcClip); + return NULL; + } + pbox = RegionRects(&rgnDst); + ppt = pptSrc; + for (i = numRects; --i >= 0; pbox++, ppt++) { + ppt->x = pbox->x1 + dx; + ppt->y = pbox->y1 + dy; + } + + (*doBitBlt) (pSrcDrawable, pDstDrawable, pGC, &rgnDst, pptSrc); + free(pptSrc); + } + + prgnExposed = NULL; + if (pGC->fExpose) { + /* Pixmap sources generate a NoExposed (we return NULL to do this) */ + if (!fastExpose) + prgnExposed = miHandleExposures(pSrcDrawable, pDstDrawable, pGC, + origSource.x, origSource.y, + (int) origSource.width, + (int) origSource.height, + origDest.x, origDest.y, bitPlane); + } + RegionUninit(&rgnDst); + if (freeSrcClip) + RegionDestroy(prgnSrcClip); + return prgnExposed; +} |