aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/fb/fbcopy.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/fb/fbcopy.c')
-rw-r--r--xorg-server/fb/fbcopy.c364
1 files changed, 37 insertions, 327 deletions
diff --git a/xorg-server/fb/fbcopy.c b/xorg-server/fb/fbcopy.c
index b8b0b6a8c..07eb663c6 100644
--- a/xorg-server/fb/fbcopy.c
+++ b/xorg-server/fb/fbcopy.c
@@ -28,6 +28,39 @@
#include "fb.h"
+/* Compatibility wrapper, to be removed at next ABI change. */
+void
+fbCopyRegion (DrawablePtr pSrcDrawable,
+ DrawablePtr pDstDrawable,
+ GCPtr pGC,
+ RegionPtr pDstRegion,
+ int dx,
+ int dy,
+ fbCopyProc copyProc,
+ Pixel bitPlane,
+ void *closure)
+{
+ miCopyRegion(pSrcDrawable, pDstDrawable, pGC, pDstRegion, dx, dy, copyProc, bitPlane, closure);
+}
+
+/* Compatibility wrapper, to be removed at next ABI change. */
+RegionPtr
+fbDoCopy (DrawablePtr pSrcDrawable,
+ DrawablePtr pDstDrawable,
+ GCPtr pGC,
+ int xIn,
+ int yIn,
+ int widthSrc,
+ int heightSrc,
+ int xOut,
+ int yOut,
+ fbCopyProc copyProc,
+ Pixel bitPlane,
+ void *closure)
+{
+ return miDoCopy(pSrcDrawable, pDstDrawable, pGC, xIn, yIn, widthSrc, heightSrc, xOut, yOut, copyProc, bitPlane, closure);
+}
+
void
fbCopyNtoN (DrawablePtr pSrcDrawable,
DrawablePtr pDstDrawable,
@@ -289,329 +322,6 @@ fbCopyNto1 (DrawablePtr pSrcDrawable,
}
}
-void
-fbCopyRegion (DrawablePtr pSrcDrawable,
- DrawablePtr pDstDrawable,
- GCPtr pGC,
- RegionPtr pDstRegion,
- int dx,
- int dy,
- fbCopyProc copyProc,
- Pixel bitPlane,
- void *closure)
-{
- int careful;
- Bool reverse;
- Bool upsidedown;
- BoxPtr pbox;
- int nbox;
- BoxPtr pboxNew1, pboxNew2, pboxBase, pboxNext, pboxTmp;
-
- pbox = REGION_RECTS(pDstRegion);
- nbox = REGION_NUM_RECTS(pDstRegion);
-
- /* 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 = ((pSrcDrawable == pDstDrawable) ||
- ((pSrcDrawable->type == DRAWABLE_WINDOW) &&
- (pDstDrawable->type == DRAWABLE_WINDOW)));
-
- pboxNew1 = NULL;
- pboxNew2 = NULL;
- if (careful && dy < 0)
- {
- upsidedown = TRUE;
-
- if (nbox > 1)
- {
- /* keep ordering in each band, reverse order of bands */
- pboxNew1 = (BoxPtr)xalloc(sizeof(BoxRec) * nbox);
- if(!pboxNew1)
- return;
- pboxBase = pboxNext = pbox+nbox-1;
- while (pboxBase >= pbox)
- {
- while ((pboxNext >= pbox) &&
- (pboxBase->y1 == pboxNext->y1))
- pboxNext--;
- pboxTmp = pboxNext+1;
- while (pboxTmp <= pboxBase)
- {
- *pboxNew1++ = *pboxTmp++;
- }
- pboxBase = pboxNext;
- }
- pboxNew1 -= nbox;
- pbox = pboxNew1;
- }
- }
- else
- {
- /* walk source top to bottom */
- upsidedown = FALSE;
- }
-
- if (careful && dx < 0)
- {
- /* walk source right to left */
- if (dy <= 0)
- reverse = TRUE;
- else
- reverse = FALSE;
-
- if (nbox > 1)
- {
- /* reverse order of rects in each band */
- pboxNew2 = (BoxPtr)xalloc(sizeof(BoxRec) * nbox);
- if(!pboxNew2)
- {
- if (pboxNew1)
- xfree(pboxNew1);
- return;
- }
- pboxBase = pboxNext = pbox;
- while (pboxBase < pbox+nbox)
- {
- while ((pboxNext < pbox+nbox) &&
- (pboxNext->y1 == pboxBase->y1))
- pboxNext++;
- pboxTmp = pboxNext;
- while (pboxTmp != pboxBase)
- {
- *pboxNew2++ = *--pboxTmp;
- }
- pboxBase = pboxNext;
- }
- pboxNew2 -= nbox;
- pbox = pboxNew2;
- }
- }
- else
- {
- /* walk source left to right */
- reverse = FALSE;
- }
-
- (*copyProc) (pSrcDrawable,
- pDstDrawable,
- pGC,
- pbox,
- nbox,
- dx, dy,
- reverse, upsidedown, bitPlane, closure);
-
- if (pboxNew1)
- xfree (pboxNew1);
- if (pboxNew2)
- xfree (pboxNew2);
-}
-
-RegionPtr
-fbDoCopy (DrawablePtr pSrcDrawable,
- DrawablePtr pDstDrawable,
- GCPtr pGC,
- int xIn,
- int yIn,
- int widthSrc,
- int heightSrc,
- int xOut,
- int yOut,
- fbCopyProc copyProc,
- Pixel bitPlane,
- void *closure)
-{
- RegionPtr prgnSrcClip = NULL; /* may be a new region, or just a copy */
- Bool freeSrcClip = FALSE;
- RegionPtr prgnExposed = NULL;
- RegionRec rgnDst;
- int dx;
- int dy;
- int numRects;
- int box_x1;
- int box_y1;
- int box_x2;
- int box_y2;
- Bool fastSrc = FALSE; /* for fast clipping with pixmap source */
- Bool fastDst = FALSE; /* for fast clipping with one rect dest */
- Bool fastExpose = FALSE; /* for fast exposures with pixmap source */
-
- /* Short cut for unmapped windows */
-
- if (pDstDrawable->type == DRAWABLE_WINDOW &&
- !((WindowPtr)pDstDrawable)->realized)
- {
- return NULL;
- }
-
- if ((pSrcDrawable != pDstDrawable) &&
- pSrcDrawable->pScreen->SourceValidate)
- {
- (*pSrcDrawable->pScreen->SourceValidate) (pSrcDrawable, xIn, yIn, widthSrc, heightSrc);
- }
-
- /* Compute source clip region */
- if (pSrcDrawable->type == DRAWABLE_PIXMAP)
- {
- if ((pSrcDrawable == pDstDrawable) && (pGC->clientClipType == CT_NONE))
- prgnSrcClip = fbGetCompositeClip(pGC);
- else
- fastSrc = TRUE;
- }
- else
- {
- if (pGC->subWindowMode == IncludeInferiors)
- {
- /*
- * XFree86 DDX empties the border clip when the
- * VT is inactive, make sure the region isn't empty
- */
- if (!((WindowPtr) pSrcDrawable)->parent &&
- REGION_NOTEMPTY (pSrcDrawable->pScreen,
- &((WindowPtr) pSrcDrawable)->borderClip))
- {
- /*
- * special case bitblt from root window in
- * IncludeInferiors mode; just like from a pixmap
- */
- fastSrc = TRUE;
- }
- else if ((pSrcDrawable == pDstDrawable) &&
- (pGC->clientClipType == CT_NONE))
- {
- prgnSrcClip = fbGetCompositeClip(pGC);
- }
- else
- {
- prgnSrcClip = NotClippedByChildren((WindowPtr)pSrcDrawable);
- freeSrcClip = TRUE;
- }
- }
- else
- {
- prgnSrcClip = &((WindowPtr)pSrcDrawable)->clipList;
- }
- }
-
- xIn += pSrcDrawable->x;
- yIn += pSrcDrawable->y;
-
- xOut += pDstDrawable->x;
- yOut += pDstDrawable->y;
-
- box_x1 = xIn;
- box_y1 = yIn;
- box_x2 = xIn + widthSrc;
- box_y2 = yIn + heightSrc;
-
- dx = xIn - xOut;
- dy = yIn - yOut;
-
- /* Don't create a source region if we are doing a fast clip */
- if (fastSrc)
- {
- RegionPtr cclip;
-
- fastExpose = TRUE;
- /*
- * clip the source; if regions extend beyond the source size,
- * make sure exposure events get sent
- */
- if (box_x1 < pSrcDrawable->x)
- {
- box_x1 = pSrcDrawable->x;
- fastExpose = FALSE;
- }
- if (box_y1 < pSrcDrawable->y)
- {
- box_y1 = pSrcDrawable->y;
- fastExpose = FALSE;
- }
- if (box_x2 > pSrcDrawable->x + (int) pSrcDrawable->width)
- {
- box_x2 = pSrcDrawable->x + (int) pSrcDrawable->width;
- fastExpose = FALSE;
- }
- if (box_y2 > pSrcDrawable->y + (int) pSrcDrawable->height)
- {
- box_y2 = pSrcDrawable->y + (int) pSrcDrawable->height;
- fastExpose = FALSE;
- }
-
- /* Translate and clip the dst to the destination composite clip */
- box_x1 -= dx;
- box_x2 -= dx;
- box_y1 -= dy;
- box_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 = fbGetCompositeClip(pGC);
- if (REGION_NUM_RECTS(cclip) == 1)
- {
- BoxPtr pBox = REGION_RECTS(cclip);
-
- if (box_x1 < pBox->x1) box_x1 = pBox->x1;
- if (box_x2 > pBox->x2) box_x2 = pBox->x2;
- if (box_y1 < pBox->y1) box_y1 = pBox->y1;
- if (box_y2 > pBox->y2) box_y2 = pBox->y2;
- fastDst = TRUE;
- }
- }
-
- /* Check to see if the region is empty */
- if (box_x1 >= box_x2 || box_y1 >= box_y2)
- {
- REGION_NULL(pGC->pScreen, &rgnDst);
- }
- else
- {
- BoxRec box;
- box.x1 = box_x1;
- box.y1 = box_y1;
- box.x2 = box_x2;
- box.y2 = box_y2;
- REGION_INIT(pGC->pScreen, &rgnDst, &box, 1);
- }
-
- /* Clip against complex source if needed */
- if (!fastSrc)
- {
- REGION_INTERSECT(pGC->pScreen, &rgnDst, &rgnDst, prgnSrcClip);
- REGION_TRANSLATE(pGC->pScreen, &rgnDst, -dx, -dy);
- }
-
- /* Clip against complex dest if needed */
- if (!fastDst)
- {
- REGION_INTERSECT(pGC->pScreen, &rgnDst, &rgnDst,
- fbGetCompositeClip(pGC));
- }
-
- /* Do bit blitting */
- numRects = REGION_NUM_RECTS(&rgnDst);
- if (numRects && widthSrc && heightSrc)
- fbCopyRegion (pSrcDrawable, pDstDrawable, pGC,
- &rgnDst, dx, dy, copyProc, bitPlane, closure);
-
- /* Pixmap sources generate a NoExposed (we return NULL to do this) */
- if (!fastExpose && pGC->fExpose)
- prgnExposed = miHandleExposures(pSrcDrawable, pDstDrawable, pGC,
- xIn - pSrcDrawable->x,
- yIn - pSrcDrawable->y,
- widthSrc, heightSrc,
- xOut - pDstDrawable->x,
- yOut - pDstDrawable->y,
- (unsigned long) bitPlane);
- REGION_UNINIT(pGC->pScreen, &rgnDst);
- if (freeSrcClip)
- REGION_DESTROY(pGC->pScreen, prgnSrcClip);
- fbValidateDrawable (pDstDrawable);
- return prgnExposed;
-}
-
RegionPtr
fbCopyArea (DrawablePtr pSrcDrawable,
DrawablePtr pDstDrawable,
@@ -623,7 +333,7 @@ fbCopyArea (DrawablePtr pSrcDrawable,
int xOut,
int yOut)
{
- fbCopyProc copy;
+ miCopyProc copy;
#ifdef FB_24_32BIT
if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
@@ -631,7 +341,7 @@ fbCopyArea (DrawablePtr pSrcDrawable,
else
#endif
copy = fbCopyNtoN;
- return fbDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
+ return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
widthSrc, heightSrc, xOut, yOut, copy, 0, 0);
}
@@ -648,11 +358,11 @@ fbCopyPlane (DrawablePtr pSrcDrawable,
unsigned long bitplane)
{
if (pSrcDrawable->bitsPerPixel > 1)
- return fbDoCopy (pSrcDrawable, pDstDrawable, pGC,
+ return miDoCopy (pSrcDrawable, pDstDrawable, pGC,
xIn, yIn, widthSrc, heightSrc,
xOut, yOut, fbCopyNto1, (Pixel) bitplane, 0);
else if (bitplane & 1)
- return fbDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
+ return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
widthSrc, heightSrc, xOut, yOut, fbCopy1toN,
(Pixel) bitplane, 0);
else