276 lines
9.4 KiB
C
276 lines
9.4 KiB
C
/*
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* Copyright © 1998 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <stdlib.h>
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#include "fb.h"
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void
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fbCopyNtoN(DrawablePtr pSrcDrawable,
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DrawablePtr pDstDrawable,
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GCPtr pGC,
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BoxPtr pbox,
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int nbox,
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int dx,
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int dy, Bool reverse, Bool upsidedown, Pixel bitplane, void *closure)
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{
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CARD8 alu = pGC ? pGC->alu : GXcopy;
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FbBits pm = pGC ? fbGetGCPrivate(pGC)->pm : FB_ALLONES;
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FbBits *src;
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FbStride srcStride;
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int srcBpp;
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int srcXoff, srcYoff;
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FbBits *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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fbGetDrawable(pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
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fbGetDrawable(pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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while (nbox--) {
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#ifndef FB_ACCESS_WRAPPER /* pixman_blt() doesn't support accessors yet */
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if (pm == FB_ALLONES && alu == GXcopy && !reverse && !upsidedown) {
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if (!pixman_blt
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((uint32_t *) src, (uint32_t *) dst, srcStride, dstStride,
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srcBpp, dstBpp, (pbox->x1 + dx + srcXoff),
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(pbox->y1 + dy + srcYoff), (pbox->x1 + dstXoff),
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(pbox->y1 + dstYoff), (pbox->x2 - pbox->x1),
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(pbox->y2 - pbox->y1)))
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goto fallback;
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else
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goto next;
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}
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fallback:
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#endif
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fbBlt(src + (pbox->y1 + dy + srcYoff) * srcStride,
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srcStride,
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(pbox->x1 + dx + srcXoff) * srcBpp,
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dst + (pbox->y1 + dstYoff) * dstStride,
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dstStride,
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(pbox->x1 + dstXoff) * dstBpp,
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(pbox->x2 - pbox->x1) * dstBpp,
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(pbox->y2 - pbox->y1), alu, pm, dstBpp, reverse, upsidedown);
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#ifndef FB_ACCESS_WRAPPER
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next:
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#endif
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pbox++;
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}
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fbFinishAccess(pDstDrawable);
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fbFinishAccess(pSrcDrawable);
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}
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void
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fbCopy1toN(DrawablePtr pSrcDrawable,
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DrawablePtr pDstDrawable,
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GCPtr pGC,
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BoxPtr pbox,
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int nbox,
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int dx,
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int dy, Bool reverse, Bool upsidedown, Pixel bitplane, void *closure)
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{
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FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
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FbBits *src;
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FbStride srcStride;
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int srcBpp;
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int srcXoff, srcYoff;
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FbBits *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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fbGetDrawable(pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
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fbGetDrawable(pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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while (nbox--) {
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if (dstBpp == 1) {
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fbBlt(src + (pbox->y1 + dy + srcYoff) * srcStride,
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srcStride,
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(pbox->x1 + dx + srcXoff) * srcBpp,
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dst + (pbox->y1 + dstYoff) * dstStride,
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dstStride,
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(pbox->x1 + dstXoff) * dstBpp,
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(pbox->x2 - pbox->x1) * dstBpp,
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(pbox->y2 - pbox->y1),
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FbOpaqueStipple1Rop(pGC->alu,
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pGC->fgPixel, pGC->bgPixel),
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pPriv->pm, dstBpp, reverse, upsidedown);
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}
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else {
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fbBltOne((FbStip *) (src + (pbox->y1 + dy + srcYoff) * srcStride),
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srcStride * (FB_UNIT / FB_STIP_UNIT),
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(pbox->x1 + dx + srcXoff),
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dst + (pbox->y1 + dstYoff) * dstStride,
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dstStride,
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(pbox->x1 + dstXoff) * dstBpp,
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dstBpp,
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(pbox->x2 - pbox->x1) * dstBpp,
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(pbox->y2 - pbox->y1),
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pPriv->and, pPriv->xor, pPriv->bgand, pPriv->bgxor);
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}
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pbox++;
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}
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fbFinishAccess(pDstDrawable);
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fbFinishAccess(pSrcDrawable);
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}
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void
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fbCopyNto1(DrawablePtr pSrcDrawable,
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DrawablePtr pDstDrawable,
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GCPtr pGC,
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BoxPtr pbox,
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int nbox,
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int dx,
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int dy, Bool reverse, Bool upsidedown, Pixel bitplane, void *closure)
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{
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FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
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while (nbox--) {
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if (pDstDrawable->bitsPerPixel == 1) {
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FbBits *src;
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FbStride srcStride;
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int srcBpp;
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int srcXoff, srcYoff;
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FbStip *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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fbGetDrawable(pSrcDrawable, src, srcStride, srcBpp, srcXoff,
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srcYoff);
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fbGetStipDrawable(pDstDrawable, dst, dstStride, dstBpp, dstXoff,
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dstYoff);
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fbBltPlane(src + (pbox->y1 + dy + srcYoff) * srcStride, srcStride,
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(pbox->x1 + dx + srcXoff) * srcBpp, srcBpp,
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dst + (pbox->y1 + dstYoff) * dstStride, dstStride,
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(pbox->x1 + dstXoff) * dstBpp,
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(pbox->x2 - pbox->x1) * srcBpp, (pbox->y2 - pbox->y1),
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(FbStip) pPriv->and, (FbStip) pPriv->xor,
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(FbStip) pPriv->bgand, (FbStip) pPriv->bgxor, bitplane);
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fbFinishAccess(pDstDrawable);
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fbFinishAccess(pSrcDrawable);
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}
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else {
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FbBits *src;
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FbStride srcStride;
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int srcBpp;
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int srcXoff, srcYoff;
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FbBits *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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FbStip *tmp;
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FbStride tmpStride;
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int width, height;
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width = pbox->x2 - pbox->x1;
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height = pbox->y2 - pbox->y1;
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tmpStride = ((width + FB_STIP_MASK) >> FB_STIP_SHIFT);
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tmp = xallocarray(tmpStride * height, sizeof(FbStip));
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if (!tmp)
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return;
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fbGetDrawable(pSrcDrawable, src, srcStride, srcBpp, srcXoff,
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srcYoff);
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fbGetDrawable(pDstDrawable, dst, dstStride, dstBpp, dstXoff,
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dstYoff);
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fbBltPlane(src + (pbox->y1 + dy + srcYoff) * srcStride,
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srcStride,
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(pbox->x1 + dx + srcXoff) * srcBpp,
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srcBpp,
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tmp,
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tmpStride,
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0,
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width * srcBpp,
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height,
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fbAndStip(GXcopy, FB_ALLONES, FB_ALLONES),
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fbXorStip(GXcopy, FB_ALLONES, FB_ALLONES),
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fbAndStip(GXcopy, 0, FB_ALLONES),
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fbXorStip(GXcopy, 0, FB_ALLONES), bitplane);
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fbBltOne(tmp,
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tmpStride,
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0,
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dst + (pbox->y1 + dstYoff) * dstStride,
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dstStride,
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(pbox->x1 + dstXoff) * dstBpp,
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dstBpp,
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width * dstBpp,
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height,
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pPriv->and, pPriv->xor, pPriv->bgand, pPriv->bgxor);
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free(tmp);
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fbFinishAccess(pDstDrawable);
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fbFinishAccess(pSrcDrawable);
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}
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pbox++;
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}
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}
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RegionPtr
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fbCopyArea(DrawablePtr pSrcDrawable,
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DrawablePtr pDstDrawable,
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GCPtr pGC,
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int xIn, int yIn, int widthSrc, int heightSrc, int xOut, int yOut)
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{
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miCopyProc copy;
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if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
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copy = fb24_32CopyMtoN;
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else
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copy = fbCopyNtoN;
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return miDoCopy(pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
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widthSrc, heightSrc, xOut, yOut, copy, 0, 0);
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}
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RegionPtr
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fbCopyPlane(DrawablePtr pSrcDrawable,
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DrawablePtr pDstDrawable,
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GCPtr pGC,
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int xIn,
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int yIn,
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int widthSrc,
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int heightSrc, int xOut, int yOut, unsigned long bitplane)
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{
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if (pSrcDrawable->bitsPerPixel > 1)
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return miDoCopy(pSrcDrawable, pDstDrawable, pGC,
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xIn, yIn, widthSrc, heightSrc,
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xOut, yOut, fbCopyNto1, (Pixel) bitplane, 0);
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else if (bitplane & 1)
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return miDoCopy(pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
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widthSrc, heightSrc, xOut, yOut, fbCopy1toN,
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(Pixel) bitplane, 0);
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else
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return miHandleExposures(pSrcDrawable, pDstDrawable, pGC,
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xIn, yIn,
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widthSrc, heightSrc, xOut, yOut);
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}
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