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-rw-r--r--src/ffb_bcopy.c561
1 files changed, 561 insertions, 0 deletions
diff --git a/src/ffb_bcopy.c b/src/ffb_bcopy.c
new file mode 100644
index 0000000..6de0eac
--- /dev/null
+++ b/src/ffb_bcopy.c
@@ -0,0 +1,561 @@
+/*
+ * Acceleration for the Creator and Creator3D framebuffer - Bit-blit copies.
+ *
+ * Copyright (C) 1998,1999 Jakub Jelinek (jakub@redhat.com)
+ * Copyright (C) 1999 David S. Miller (davem@redhat.com)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * JAKUB JELINEK OR DAVID MILLER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sunffb/ffb_bcopy.c,v 1.2 2000/05/23 04:47:44 dawes Exp $ */
+
+#include "ffb.h"
+#include "ffb_regs.h"
+#include "ffb_rcache.h"
+#include "ffb_fifo.h"
+#include "ffb_loops.h"
+
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+
+#define PSZ 8
+#include "cfb.h"
+#undef PSZ
+#include "cfb32.h"
+#include "cfb8_32wid.h"
+
+#ifdef FFB_BLOCKCOPY_IMPLEMENTED
+/* Due to VIS based copyarea and ffb rop vertscroll being significantly faster
+ * than the blockcopy rop, blockcopy was not implemented at all in the final
+ * FFB hardware design. This code is left here for hack value. -DaveM
+ */
+#error To use it, we would need to fix this to use WIDs in FFB attributes -DaveM
+void
+CreatorDoHWBitblt(DrawablePtr pSrc, DrawablePtr pDst, int alu, RegionPtr prgnDst,
+ DDXPointPtr pptSrc, unsigned long planemask)
+{
+ FFBPtr pFfb = GET_FFB_FROM_SCREEN (pSrc->pScreen);
+ ffb_fbcPtr ffb = pFfb->regs;
+ BoxPtr pboxTmp;
+ DDXPointPtr pptTmp;
+ int nbox;
+ BoxPtr pboxNext, pboxBase, pbox;
+
+ nbox = REGION_NUM_RECTS(prgnDst);
+ pbox = REGION_RECTS(prgnDst);
+
+ FFB_WRITE_ATTRIBUTES(pFfb,
+ FFB_PPC_ACE_DISABLE|FFB_PPC_APE_DISABLE|FFB_PPC_CS_CONST,
+ FFB_PPC_ACE_MASK|FFB_PPC_APE_MASK|FFB_PPC_CS_MASK,
+ planemask,
+ FFB_ROP_NEW,
+ FFB_DRAWOP_BCOPY, pFfb->fg_cache,
+ FFB_FBC_DEFAULT);
+
+ /* need to blit rectangles in different orders, depending on the direction of copy
+ so that an area isnt overwritten before it is blitted */
+ if (pptSrc->y < pbox->y1 && nbox > 1) {
+ if (pptSrc->x < pbox->x1) {
+ pboxTmp = pbox + nbox;
+ pptTmp = pptSrc + nbox;
+ while(nbox--) {
+ pboxTmp--;
+ pptTmp--;
+ FFBFifo(pFfb, 6);
+ FFB_WRITE64(&ffb->by, pptTmp->y, pptTmp->x);
+ FFB_WRITE64_2(&ffb->dy, pboxTmp->y1, pboxTmp->x1);
+ FFB_WRITE64_3(&ffb->bh,
+ (pboxTmp->y2 - pboxTmp->y1),
+ (pboxTmp->x2 - pboxTmp->x1));
+ }
+ } else {
+ /* keep ordering in each band, reverse order of bands */
+ pboxBase = pboxNext = pbox+nbox-1;
+
+ while (pboxBase >= pbox) { /* for each band */
+ /* find first box in band */
+ while (pboxNext >= pbox && pboxBase->y1 == pboxNext->y1)
+ pboxNext--;
+
+ pboxTmp = pboxNext + 1; /* first box in band */
+ pptTmp = pptSrc + (pboxTmp - pbox); /* first point in band */
+
+ while (pboxTmp <= pboxBase) { /* for each box in band */
+ FFBFifo(pFfb, 6);
+ FFB_WRITE64(&ffb->by, pptTmp->y, pptTmp->x);
+ FFB_WRITE64_2(&ffb->dy, pboxTmp->y1, pboxTmp->x1);
+ FFB_WRITE64_3(&ffb->bh,
+ (pboxTmp->y2 - pboxTmp->y1),
+ (pboxTmp->x2 - pboxTmp->x1));
+ ++pboxTmp;
+ ++pptTmp;
+ }
+ pboxBase = pboxNext;
+ }
+ }
+ } else {
+ if((pptSrc->x < pbox->x1) && (nbox > 1)) {
+ 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) {
+ --pboxTmp;
+ --pptTmp;
+ FFBFifo(pFfb, 6);
+ FFB_WRITE64(&ffb->by, pptTmp->y, pptTmp->x);
+ FFB_WRITE64_2(&ffb->dy, pboxTmp->y1, pboxTmp->x1);
+ FFB_WRITE64_3(&ffb->bh,
+ (pboxTmp->y2 - pboxTmp->y1),
+ (pboxTmp->x2 - pboxTmp->x1));
+ }
+ pboxBase = pboxNext;
+ }
+ } else {
+ /* dont need to change order of anything */
+ pptTmp = pptSrc;
+ pboxTmp = pbox;
+
+ while (nbox--) {
+ FFBFifo(pFfb, 6);
+ FFB_WRITE64(&ffb->by, pptTmp->y, pptTmp->x);
+ FFB_WRITE64_2(&ffb->dy, pboxTmp->y1, pboxTmp->x1);
+ FFB_WRITE64_3(&ffb->bh,
+ (pboxTmp->y2 - pboxTmp->y1),
+ (pboxTmp->x2 - pboxTmp->x1));
+ pboxTmp++;
+ pptTmp++;
+ }
+ }
+ }
+ pFfb->rp_active = 1;
+ FFBSync(pFfb, ffb);
+}
+#endif /* FFB_BLOCKCOPY_IMPLEMENTED */
+
+/* We know here that only y is changing and that the hw attributes
+ * have been set higher up in the call chain.
+ */
+void
+CreatorDoVertBitblt(DrawablePtr pSrc, DrawablePtr pDst, int alu, RegionPtr prgnDst,
+ DDXPointPtr pptSrc, unsigned long planemask)
+{
+ FFBPtr pFfb = GET_FFB_FROM_SCREEN (pSrc->pScreen);
+ ffb_fbcPtr ffb = pFfb->regs;
+ BoxPtr pbox;
+ int nbox;
+
+ pbox = REGION_RECTS(prgnDst);
+ nbox = REGION_NUM_RECTS(prgnDst);
+
+ /* No garbage please. */
+ if(nbox <= 0)
+ return;
+
+ FFBLOG(("VSCROLL(%d): ", nbox));
+
+ /* Need to blit rectangles in different orders, depending
+ * on the direction of copy so that an area isnt overwritten
+ * before it is blitted.
+ */
+ if (nbox > 1 && pptSrc->y < pbox->y1) {
+ BoxPtr pboxBase = pbox + nbox - 1;
+ BoxPtr pboxNext = pboxBase;
+
+ /* Keep ordering in each band, reverse order of bands. */
+ while (pboxBase >= pbox) { /* for each band */
+ BoxPtr pboxTmp;
+ DDXPointPtr pptTmp;
+
+ /* find first box in band */
+ while (pboxNext >= pbox && pboxBase->y1 == pboxNext->y1)
+ pboxNext--;
+
+ pboxTmp = pboxNext + 1; /* first box in band */
+ pptTmp = pptSrc + (pboxTmp - pbox); /* first point in band */
+ while (pboxTmp <= pboxBase) {
+ FFBLOG(("1[%08x:%08x:%08x:%08x:%08x:%08x] ",
+ pptTmp->x, pptTmp->y, pboxTmp->x1, pboxTmp->y1,
+ pboxTmp->x2, pboxTmp->y2));
+ FFBFifo(pFfb, 7);
+ ffb->drawop = FFB_DRAWOP_VSCROLL;
+ FFB_WRITE64(&ffb->by, pptTmp->y, pptTmp->x);
+ FFB_WRITE64_2(&ffb->dy, pboxTmp->y1, pboxTmp->x1);
+ FFB_WRITE64_3(&ffb->bh, (pboxTmp->y2 - pboxTmp->y1),
+ (pboxTmp->x2 - pboxTmp->x1));
+ pboxTmp++;
+ pptTmp++;
+ }
+ pboxBase = pboxNext;
+ }
+ } else {
+ /* Dont need to change order of anything. */
+ while (nbox--) {
+ FFBLOG(("2[%08x:%08x:%08x:%08x:%08x:%08x] ",
+ pptSrc->x, pptSrc->y, pbox->x1, pbox->y1,
+ pbox->x2, pbox->y2));
+ FFBFifo(pFfb, 7);
+ ffb->drawop = FFB_DRAWOP_VSCROLL;
+ FFB_WRITE64(&ffb->by, pptSrc->y, pptSrc->x);
+ FFB_WRITE64_2(&ffb->dy, pbox->y1, pbox->x1);
+ FFB_WRITE64_3(&ffb->bh, (pbox->y2 - pbox->y1),
+ (pbox->x2 - pbox->x1));
+ pbox++;
+ pptSrc++;
+ }
+ }
+ pFfb->rp_active = 1;
+ FFBLOG(("done\n"));
+ FFBSync(pFfb, ffb);
+}
+
+extern void VISmoveImageLR(unsigned char *, unsigned char *, long, long, long, long);
+extern void VISmoveImageRL(unsigned char *, unsigned char *, long, long, long, long);
+
+/* The hw attributes have been set by someone higher up in the call
+ * chain.
+ */
+void
+CreatorDoBitblt(DrawablePtr pSrc, DrawablePtr pDst, int alu, RegionPtr prgnDst,
+ DDXPointPtr pptSrc, unsigned long planemask)
+{
+ FFBPtr pFfb = GET_FFB_FROM_SCREEN (pDst->pScreen);
+ BoxPtr pboxTmp, pboxNext, pboxBase, pbox;
+ DDXPointPtr pptTmp;
+ unsigned char *psrcBase, *pdstBase;
+ int nbox, widthSrc, widthDst, careful, use_prefetch;
+ int psz_shift;
+
+ cfbGetByteWidthAndPointer (pSrc, widthSrc, psrcBase)
+ cfbGetByteWidthAndPointer (pDst, widthDst, pdstBase)
+
+ careful = ((pSrc == pDst) ||
+ ((pSrc->type == DRAWABLE_WINDOW) &&
+ (pDst->type == DRAWABLE_WINDOW)));
+ use_prefetch = (pFfb->use_blkread_prefetch &&
+ (psrcBase == (unsigned char *)pFfb->sfb32 ||
+ psrcBase == (unsigned char *)pFfb->sfb8r));
+
+ pbox = REGION_RECTS(prgnDst);
+ nbox = REGION_NUM_RECTS(prgnDst);
+
+ pptTmp = pptSrc;
+ pboxTmp = pbox;
+
+ FFBLOG(("GCOPY(%d): ", nbox));
+
+ if (pSrc->bitsPerPixel == 8)
+ psz_shift = 0;
+ else
+ psz_shift = 2;
+
+ if (careful && pptSrc->y < pbox->y1) {
+ if (pptSrc->x < pbox->x1) {
+ /* reverse order of bands and rects in each band */
+ pboxTmp=pbox+nbox;
+ pptTmp=pptSrc+nbox;
+
+ while (nbox--){
+ pboxTmp--;
+ pptTmp--;
+ FFBLOG(("[%08x:%08x:%08x:%08x:%08x:%08x] ",
+ pptTmp->x, pptTmp->y, pboxTmp->x1, pboxTmp->y1,
+ pboxTmp->x2, pboxTmp->y2));
+ if (pptTmp->x < pbox->x2) {
+ if (use_prefetch) {
+ FFBFifo(pFfb, 1);
+ pFfb->regs->mer = FFB_MER_EDRA;
+ pFfb->rp_active = 1;
+ FFBWait(pFfb, pFfb->regs);
+ }
+ VISmoveImageRL ((psrcBase +
+ ((pptTmp->y + pboxTmp->y2 - pboxTmp->y1 - 1) *
+ widthSrc) +
+ (pptTmp->x << psz_shift)),
+ (pdstBase +
+ ((pboxTmp->y2 - 1) * widthDst) +
+ (pboxTmp->x1 << psz_shift)),
+ (pboxTmp->x2 - pboxTmp->x1) << psz_shift,
+ (pboxTmp->y2 - pboxTmp->y1),
+ -widthSrc, -widthDst);
+ } else {
+ if (use_prefetch) {
+ FFBFifo(pFfb, 1);
+ pFfb->regs->mer = FFB_MER_EIRA;
+ pFfb->rp_active = 1;
+ FFBWait(pFfb, pFfb->regs);
+ }
+ VISmoveImageLR ((psrcBase +
+ ((pptTmp->y + pboxTmp->y2 - pboxTmp->y1 - 1) *
+ widthSrc) +
+ (pptTmp->x << psz_shift)),
+ (pdstBase +
+ ((pboxTmp->y2 - 1) * widthDst) +
+ (pboxTmp->x1 << psz_shift)),
+ (pboxTmp->x2 - pboxTmp->x1) << psz_shift,
+ (pboxTmp->y2 - pboxTmp->y1),
+ -widthSrc, -widthDst);
+ }
+ }
+ } else {
+ /* keep ordering in each band, reverse order of bands */
+ pboxBase = pboxNext = pbox+nbox-1;
+
+ while (pboxBase >= pbox) { /* for each band */
+
+ /* find first box in band */
+ while (pboxNext >= pbox &&
+ pboxBase->y1 == pboxNext->y1)
+ pboxNext--;
+
+ pboxTmp = pboxNext+1; /* first box in band */
+ pptTmp = pptSrc + (pboxTmp - pbox); /* first point in band */
+
+ FFBLOG(("[%08x:%08x:%08x:%08x:%08x:%08x] ",
+ pptTmp->x, pptTmp->y, pboxTmp->x1, pboxTmp->y1,
+ pboxTmp->x2, pboxTmp->y2));
+ while (pboxTmp <= pboxBase) { /* for each box in band */
+ if (use_prefetch) {
+ FFBFifo(pFfb, 1);
+ pFfb->regs->mer = FFB_MER_EIRA;
+ pFfb->rp_active = 1;
+ FFBWait(pFfb, pFfb->regs);
+ }
+ VISmoveImageLR ((psrcBase +
+ ((pptTmp->y + pboxTmp->y2 - pboxTmp->y1 - 1) *
+ widthSrc) +
+ (pptTmp->x << psz_shift)),
+ (pdstBase +
+ ((pboxTmp->y2 - 1) * widthDst) +
+ (pboxTmp->x1 << psz_shift)),
+ (pboxTmp->x2 - pboxTmp->x1) << psz_shift,
+ (pboxTmp->y2 - pboxTmp->y1),
+ -widthSrc, -widthDst);
+ ++pboxTmp;
+ ++pptTmp;
+ }
+ pboxBase = pboxNext;
+
+ }
+ }
+ } else {
+ if (careful && pptSrc->x < pbox->x1) {
+ /* reverse order of rects in each band */
+
+ pboxBase = pboxNext = pbox;
+
+ while (pboxBase < pbox+nbox) { /* for each band */
+
+ /* find last box in band */
+ while (pboxNext < pbox+nbox &&
+ pboxNext->y1 == pboxBase->y1)
+ pboxNext++;
+
+ pboxTmp = pboxNext; /* last box in band */
+ pptTmp = pptSrc + (pboxTmp - pbox); /* last point in band */
+
+ while (pboxTmp != pboxBase) { /* for each box in band */
+ --pboxTmp;
+ --pptTmp;
+ FFBLOG(("[%08x:%08x:%08x:%08x:%08x:%08x] ",
+ pptTmp->x, pptTmp->y, pboxTmp->x1, pboxTmp->y1,
+ pboxTmp->x2, pboxTmp->y2));
+ if (pptTmp->x < pbox->x2) {
+ if (use_prefetch) {
+ FFBFifo(pFfb, 1);
+ pFfb->regs->mer = FFB_MER_EDRA;
+ pFfb->regs->mer = FFB_MER_EIRA;
+ pFfb->rp_active = 1;
+ }
+ VISmoveImageRL ((psrcBase +
+ (pptTmp->y * widthSrc) +
+ (pptTmp->x << psz_shift)),
+ (pdstBase +
+ (pboxTmp->y1 * widthDst) +
+ (pboxTmp->x1 << psz_shift)),
+ (pboxTmp->x2 - pboxTmp->x1) << psz_shift,
+ (pboxTmp->y2 - pboxTmp->y1),
+ widthSrc, widthDst);
+ } else {
+ if (use_prefetch) {
+ FFBFifo(pFfb, 1);
+ pFfb->regs->mer = FFB_MER_EIRA;
+ pFfb->rp_active = 1;
+ FFBWait(pFfb, pFfb->regs);
+ }
+ VISmoveImageLR ((psrcBase +
+ (pptTmp->y * widthSrc) +
+ (pptTmp->x << psz_shift)),
+ (pdstBase +
+ (pboxTmp->y1 * widthDst) +
+ (pboxTmp->x1 << psz_shift)),
+ (pboxTmp->x2 - pboxTmp->x1) << psz_shift,
+ (pboxTmp->y2 - pboxTmp->y1),
+ widthSrc, widthDst);
+ }
+ }
+ pboxBase = pboxNext;
+ }
+ } else {
+ while (nbox--) {
+ FFBLOG(("[%08x:%08x:%08x:%08x:%08x:%08x] ",
+ pptTmp->x, pptTmp->y, pboxTmp->x1, pboxTmp->y1,
+ pboxTmp->x2, pboxTmp->y2));
+ if (use_prefetch) {
+ FFBFifo(pFfb, 1);
+ pFfb->regs->mer = FFB_MER_EIRA;
+ pFfb->rp_active = 1;
+ FFBWait(pFfb, pFfb->regs);
+ }
+ VISmoveImageLR ((psrcBase +
+ (pptTmp->y * widthSrc) +
+ (pptTmp->x << psz_shift)),
+ (pdstBase +
+ (pboxTmp->y1 * widthDst) +
+ (pboxTmp->x1 << psz_shift)),
+ (pboxTmp->x2 - pboxTmp->x1) << psz_shift,
+ (pboxTmp->y2 - pboxTmp->y1),
+ widthSrc, widthDst);
+ pboxTmp++;
+ pptTmp++;
+ }
+ }
+ }
+ if (use_prefetch) {
+ FFBFifo(pFfb, 1);
+ pFfb->regs->mer = FFB_MER_DRA;
+ pFfb->rp_active = 1;
+ FFBWait(pFfb, pFfb->regs);
+ }
+ FFBLOG(("done\n"));
+}
+
+RegionPtr
+CreatorCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable,
+ GCPtr pGC, int srcx, int srcy, int width, int height, int dstx, int dsty)
+{
+ FFBPtr pFfb = GET_FFB_FROM_SCREEN (pDstDrawable->pScreen);
+ ffb_fbcPtr ffb = pFfb->regs;
+ RegionPtr ret;
+ unsigned char *dptr, *sptr, *sfb;
+ int garbage, all_planes;
+
+ cfbGetByteWidthAndPointer (pDstDrawable, garbage, dptr);
+ cfbGetByteWidthAndPointer (pSrcDrawable, garbage, sptr);
+ if (pSrcDrawable->bitsPerPixel == 8) {
+ sfb = (unsigned char *) pFfb->sfb8r;
+ all_planes = 0xff;
+ } else {
+ sfb = (unsigned char *) pFfb->sfb32;
+ all_planes = 0xffffff;
+ }
+
+ FFBLOG(("CreatorCopyArea: SFB(%p) s(%p) d(%p) alu(%x) pmsk(%08x) "
+ "src(%08x:%08x) dst(%08x:%08x)\n",
+ sfb, sptr, dptr, pGC->alu, pGC->planemask,
+ srcx, srcy, dstx, dsty));
+ if (((pGC->planemask & all_planes) != all_planes || pGC->alu != GXcopy) &&
+ dptr != sfb) {
+ if(sptr == sfb) {
+ WindowPtr pWin = (WindowPtr) pSrcDrawable;
+
+ FFB_ATTR_SFB_VAR_WIN(pFfb, pGC->planemask, pGC->alu, pWin);
+ FFBWait(pFfb, ffb);
+ }
+ if (pSrcDrawable->bitsPerPixel == 8)
+ return cfbCopyArea (pSrcDrawable, pDstDrawable,
+ pGC, srcx, srcy, width, height, dstx, dsty);
+ else
+ return cfb32CopyArea (pSrcDrawable, pDstDrawable,
+ pGC, srcx, srcy, width, height, dstx, dsty);
+ }
+
+ /* Try to use hw VSCROLL if possible */
+ if (!pFfb->disable_vscroll && /* must not be ffb1 in hires */
+ pGC->alu == GXcopy && /* it must be a copy */
+ dstx == srcx && /* X must be unchanging */
+ dsty != srcy && /* Y must be changing */
+ sptr == dptr && /* src and dst must be the framebuffer */
+ dptr == sfb) {
+ WindowPtr pWin = (WindowPtr) pSrcDrawable;
+ CreatorPrivWinPtr pFfbPrivWin = CreatorGetWindowPrivate(pWin);
+ unsigned int fbc = pFfbPrivWin->fbc_base;
+ int same_buffer;
+
+ /* One last check, the read buffer and the write buffer
+ * must be the same. VSCROLL only allows to move pixels
+ * within the same buffer.
+ */
+ if (!pFfb->has_double_buffer) {
+ same_buffer = 1;
+ } else {
+ same_buffer = 0;
+ if ((((fbc & FFB_FBC_WB_MASK) == FFB_FBC_WB_A) &&
+ ((fbc & FFB_FBC_RB_MASK) == FFB_FBC_RB_A)) ||
+ (((fbc & FFB_FBC_WB_MASK) == FFB_FBC_WB_B) &&
+ ((fbc & FFB_FBC_RB_MASK) == FFB_FBC_RB_B)))
+ same_buffer = 1;
+ }
+
+ if (same_buffer != 0) {
+ FFB_ATTR_VSCROLL_WIN(pFfb, pGC->planemask, pWin);
+ if (pSrcDrawable->bitsPerPixel == 8)
+ ret = cfbBitBlt (pSrcDrawable, pDstDrawable,
+ pGC, srcx, srcy, width, height,
+ dstx, dsty,
+ (void (*)())CreatorDoVertBitblt, 0);
+ else
+ ret = cfb32BitBlt (pSrcDrawable, pDstDrawable,
+ pGC, srcx, srcy, width, height,
+ dstx, dsty,
+ (void (*)())CreatorDoVertBitblt, 0);
+ FFBLOG(("CreatorCopyArea: Done, returning %p\n", ret));
+ return ret;
+ }
+ }
+
+ /* OK, we have to use GCOPY. */
+
+ /* Even when we are only reading from the framebuffer, we must
+ * set the SFB_VAR attributes to handle double-buffering correctly.
+ */
+ if(dptr == sfb || sptr == sfb) {
+ WindowPtr pWin;
+
+ if (dptr == sfb)
+ pWin = (WindowPtr) pDstDrawable;
+ else
+ pWin = (WindowPtr) pSrcDrawable;
+ FFB_ATTR_SFB_VAR_WIN(pFfb, pGC->planemask, pGC->alu, pWin);
+ FFBWait(pFfb, ffb);
+ }
+ if (pSrcDrawable->bitsPerPixel == 8)
+ ret = cfbBitBlt (pSrcDrawable, pDstDrawable,
+ pGC, srcx, srcy, width, height,
+ dstx, dsty, (void (*)())CreatorDoBitblt, 0);
+ else
+ ret = cfb32BitBlt (pSrcDrawable, pDstDrawable,
+ pGC, srcx, srcy, width, height,
+ dstx, dsty, (void (*)())CreatorDoBitblt, 0);
+
+ FFBLOG(("CreatorCopyArea: Done, returning %p\n", ret));
+ return ret;
+}
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