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Diffstat (limited to 'hw/xfree86/xaa/xaaCpyPlane.c')
-rw-r--r--hw/xfree86/xaa/xaaCpyPlane.c206
1 files changed, 206 insertions, 0 deletions
diff --git a/hw/xfree86/xaa/xaaCpyPlane.c b/hw/xfree86/xaa/xaaCpyPlane.c
new file mode 100644
index 000000000..74dcdfd31
--- /dev/null
+++ b/hw/xfree86/xaa/xaaCpyPlane.c
@@ -0,0 +1,206 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/xaa/xaaCpyPlane.c,v 1.13 2001/10/01 13:44:15 eich Exp $ */
+
+/*
+ A CopyPlane function that handles bitmap->screen copies and
+ sends anything else to the Fallback.
+
+ Also, a PushPixels for solid fill styles.
+
+ Written by Mark Vojkovich (markv@valinux.com)
+
+*/
+
+#include "misc.h"
+#include "xf86.h"
+#include "xf86_ansic.h"
+#include "xf86_OSproc.h"
+#include "servermd.h"
+
+#include "X.h"
+#include "scrnintstr.h"
+#include "mi.h"
+#include "pixmapstr.h"
+#include "xf86str.h"
+#include "xaa.h"
+#include "xaalocal.h"
+#include "xaawrap.h"
+
+static void XAACopyPlane1toNColorExpand(DrawablePtr pSrc, DrawablePtr pDst,
+ GCPtr pGC, RegionPtr rgnDst,
+ DDXPointPtr pptSrc);
+static void XAACopyPlaneNtoNColorExpand(DrawablePtr pSrc, DrawablePtr pDst,
+ GCPtr pGC, RegionPtr rgnDst,
+ DDXPointPtr pptSrc);
+
+
+static unsigned long TmpBitPlane;
+
+RegionPtr
+XAACopyPlaneColorExpansion(
+ DrawablePtr pSrc,
+ DrawablePtr pDst,
+ GCPtr pGC,
+ int srcx, int srcy,
+ int width, int height,
+ int dstx, int dsty,
+ unsigned long bitPlane
+){
+ if((pSrc->type == DRAWABLE_PIXMAP) && !XAA_DEPTH_BUG(pGC)) {
+ if(pSrc->bitsPerPixel == 1) {
+ return(XAABitBlt(pSrc, pDst, pGC, srcx, srcy,
+ width, height, dstx, dsty,
+ XAACopyPlane1toNColorExpand, bitPlane));
+ } else if(bitPlane < (1 << pDst->depth)){
+ TmpBitPlane = bitPlane;
+ return(XAABitBlt(pSrc, pDst, pGC, srcx, srcy,
+ width, height, dstx, dsty,
+ XAACopyPlaneNtoNColorExpand, bitPlane));
+ }
+ }
+
+ return (XAAFallbackOps.CopyPlane(pSrc, pDst, pGC, srcx, srcy,
+ width, height, dstx, dsty, bitPlane));
+}
+
+
+static void
+XAACopyPlane1toNColorExpand(
+ DrawablePtr pSrc,
+ DrawablePtr pDst,
+ GCPtr pGC,
+ RegionPtr rgnDst,
+ DDXPointPtr pptSrc )
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ BoxPtr pbox = REGION_RECTS(rgnDst);
+ int numrects = REGION_NUM_RECTS(rgnDst);
+ unsigned char *src = ((PixmapPtr)pSrc)->devPrivate.ptr;
+ int srcwidth = ((PixmapPtr)pSrc)->devKind;
+
+ while(numrects--) {
+ (*infoRec->WriteBitmap)(infoRec->pScrn, pbox->x1, pbox->y1,
+ pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
+ src + (srcwidth * pptSrc->y) + ((pptSrc->x >> 5) << 2),
+ srcwidth, pptSrc->x & 31,
+ pGC->fgPixel, pGC->bgPixel, pGC->alu, pGC->planemask);
+ pbox++; pptSrc++;
+ }
+}
+
+
+static void
+XAACopyPlaneNtoNColorExpand(
+ DrawablePtr pSrc,
+ DrawablePtr pDst,
+ GCPtr pGC,
+ RegionPtr rgnDst,
+ DDXPointPtr pptSrc
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ BoxPtr pbox = REGION_RECTS(rgnDst);
+ int numrects = REGION_NUM_RECTS(rgnDst);
+ unsigned char *src = ((PixmapPtr)pSrc)->devPrivate.ptr;
+ unsigned char *data, *srcPtr, *dataPtr;
+ int srcwidth = ((PixmapPtr)pSrc)->devKind;
+ int pitch, width, height, h, i, index, offset;
+ int Bpp = pSrc->bitsPerPixel >> 3;
+ unsigned long mask = TmpBitPlane;
+
+ if(TmpBitPlane < 8) {
+ offset = 0;
+ } else if(TmpBitPlane < 16) {
+ offset = 1;
+ mask >>= 8;
+ } else if(TmpBitPlane < 24) {
+ offset = 2;
+ mask >>= 16;
+ } else {
+ offset = 3;
+ mask >>= 24;
+ }
+
+ if(IS_OFFSCREEN_PIXMAP(pSrc))
+ SYNC_CHECK(pSrc);
+
+ while(numrects--) {
+ width = pbox->x2 - pbox->x1;
+ h = height = pbox->y2 - pbox->y1;
+ pitch = BitmapBytePad(width);
+
+ if(!(data = xalloc(height * pitch)))
+ goto ALLOC_FAILED;
+
+ bzero(data, height * pitch);
+
+ dataPtr = data;
+ srcPtr = ((pptSrc->y) * srcwidth) + src +
+ ((pptSrc->x) * Bpp) + offset;
+
+ while(h--) {
+ for(i = index = 0; i < width; i++, index += Bpp) {
+ if(mask & srcPtr[index])
+ dataPtr[i >> 3] |= (1 << (i & 7));
+ }
+ dataPtr += pitch;
+ srcPtr += srcwidth;
+ }
+
+ (*infoRec->WriteBitmap)(infoRec->pScrn,
+ pbox->x1, pbox->y1, width, height, data, pitch, 0,
+ pGC->fgPixel, pGC->bgPixel, pGC->alu, pGC->planemask);
+
+ xfree(data);
+
+ALLOC_FAILED:
+
+ pbox++; pptSrc++;
+ }
+}
+
+void
+XAAPushPixelsSolidColorExpansion(
+ GCPtr pGC,
+ PixmapPtr pBitMap,
+ DrawablePtr pDraw,
+ int dx, int dy,
+ int xOrg, int yOrg )
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ int MaxBoxes = REGION_NUM_RECTS(pGC->pCompositeClip);
+ BoxPtr pbox, pClipBoxes;
+ int nboxes, srcx, srcy;
+ xRectangle TheRect;
+ unsigned char *src = pBitMap->devPrivate.ptr;
+ int srcwidth = pBitMap->devKind;
+
+ if(!REGION_NUM_RECTS(pGC->pCompositeClip))
+ return;
+
+ TheRect.x = xOrg;
+ TheRect.y = yOrg;
+ TheRect.width = dx;
+ TheRect.height = dy;
+
+ if(MaxBoxes > (infoRec->PreAllocSize/sizeof(BoxRec))) {
+ pClipBoxes = xalloc(MaxBoxes * sizeof(BoxRec));
+ if(!pClipBoxes) return;
+ } else pClipBoxes = (BoxPtr)infoRec->PreAllocMem;
+
+ nboxes = XAAGetRectClipBoxes(pGC->pCompositeClip, pClipBoxes, 1, &TheRect);
+ pbox = pClipBoxes;
+
+ while(nboxes--) {
+ srcx = pbox->x1 - xOrg;
+ srcy = pbox->y1 - yOrg;
+ (*infoRec->WriteBitmap)(infoRec->pScrn, pbox->x1, pbox->y1,
+ pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
+ src + (srcwidth * srcy) + ((srcx >> 5) << 2),
+ srcwidth, srcx & 31,
+ pGC->fgPixel, -1, pGC->alu, pGC->planemask);
+ pbox++;
+ }
+
+ if(pClipBoxes != (BoxPtr)infoRec->PreAllocMem)
+ xfree(pClipBoxes);
+}
+