49f77fff14
Save in a few special cases, _X_EXPORT should not be used in C source files. Instead, it should be used in headers, and the proper C source include that header. Some special cases are symbols that need to be shared between modules, but not expected to be used by external drivers, and symbols that are accessible via LoaderSymbol/dlopen. This patch also adds conditionally some new sdk header files, depending on extensions enabled. These files were added to match pattern for other extensions/modules, that is, have the headers "deciding" symbol visibility in the sdk. These headers are: o Xext/panoramiXsrv.h, Xext/panoramiX.h o fbpict.h (unconditionally) o vidmodeproc.h o mioverlay.h (unconditionally, used only by xaa) o xfixes.h (unconditionally, symbols required by dri2) LoaderSymbol and similar functions now don't have different prototypes, in loaderProcs.h and xf86Module.h, so that both headers can be included, without the need of defining IN_LOADER. xf86NewInputDevice() device prototype readded to xf86Xinput.h, but not exported (and with a comment about it).
665 lines
16 KiB
C
665 lines
16 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,
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Bool reverse,
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Bool upsidedown,
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Pixel bitplane,
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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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{
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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 &&
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!upsidedown)
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{
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if (!pixman_blt ((uint32_t *)src, (uint32_t *)dst, srcStride, dstStride, srcBpp, dstBpp,
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(pbox->x1 + dx + srcXoff),
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(pbox->y1 + dy + srcYoff),
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(pbox->x1 + dstXoff),
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(pbox->y1 + dstYoff),
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(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),
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alu,
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pm,
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dstBpp,
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reverse,
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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,
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Bool reverse,
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Bool upsidedown,
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Pixel bitplane,
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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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{
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if (dstBpp == 1)
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{
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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,
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dstBpp,
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reverse,
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upsidedown);
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}
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else
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{
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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,
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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,
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Bool reverse,
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Bool upsidedown,
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Pixel bitplane,
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void *closure)
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{
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FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
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while (nbox--)
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{
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if (pDstDrawable->bitsPerPixel == 1)
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{
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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, srcYoff);
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fbGetStipDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, 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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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) * srcBpp,
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(pbox->y2 - pbox->y1),
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(FbStip) pPriv->and, (FbStip) pPriv->xor,
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(FbStip) pPriv->bgand, (FbStip) pPriv->bgxor,
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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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{
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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 = xalloc (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, srcYoff);
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fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, 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),
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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,
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pPriv->bgand, pPriv->bgxor);
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xfree (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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void
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fbCopyRegion (DrawablePtr pSrcDrawable,
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DrawablePtr pDstDrawable,
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GCPtr pGC,
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RegionPtr pDstRegion,
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int dx,
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int dy,
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fbCopyProc copyProc,
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Pixel bitPlane,
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void *closure)
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{
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int careful;
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Bool reverse;
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Bool upsidedown;
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BoxPtr pbox;
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int nbox;
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BoxPtr pboxNew1, pboxNew2, pboxBase, pboxNext, pboxTmp;
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pbox = REGION_RECTS(pDstRegion);
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nbox = REGION_NUM_RECTS(pDstRegion);
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/* XXX we have to err on the side of safety when both are windows,
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* because we don't know if IncludeInferiors is being used.
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*/
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careful = ((pSrcDrawable == pDstDrawable) ||
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((pSrcDrawable->type == DRAWABLE_WINDOW) &&
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(pDstDrawable->type == DRAWABLE_WINDOW)));
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pboxNew1 = NULL;
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pboxNew2 = NULL;
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if (careful && dy < 0)
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{
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upsidedown = TRUE;
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if (nbox > 1)
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{
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/* keep ordering in each band, reverse order of bands */
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pboxNew1 = (BoxPtr)xalloc(sizeof(BoxRec) * nbox);
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if(!pboxNew1)
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return;
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pboxBase = pboxNext = pbox+nbox-1;
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while (pboxBase >= pbox)
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{
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while ((pboxNext >= pbox) &&
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(pboxBase->y1 == pboxNext->y1))
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pboxNext--;
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pboxTmp = pboxNext+1;
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while (pboxTmp <= pboxBase)
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{
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*pboxNew1++ = *pboxTmp++;
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}
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pboxBase = pboxNext;
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}
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pboxNew1 -= nbox;
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pbox = pboxNew1;
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}
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}
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else
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{
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/* walk source top to bottom */
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upsidedown = FALSE;
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}
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if (careful && dx < 0)
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{
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/* walk source right to left */
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if (dy <= 0)
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reverse = TRUE;
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else
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reverse = FALSE;
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if (nbox > 1)
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{
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/* reverse order of rects in each band */
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pboxNew2 = (BoxPtr)xalloc(sizeof(BoxRec) * nbox);
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if(!pboxNew2)
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{
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if (pboxNew1)
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xfree(pboxNew1);
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return;
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}
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pboxBase = pboxNext = pbox;
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while (pboxBase < pbox+nbox)
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{
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while ((pboxNext < pbox+nbox) &&
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(pboxNext->y1 == pboxBase->y1))
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pboxNext++;
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pboxTmp = pboxNext;
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while (pboxTmp != pboxBase)
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{
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*pboxNew2++ = *--pboxTmp;
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}
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pboxBase = pboxNext;
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}
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pboxNew2 -= nbox;
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pbox = pboxNew2;
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}
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}
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else
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{
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/* walk source left to right */
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reverse = FALSE;
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}
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(*copyProc) (pSrcDrawable,
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pDstDrawable,
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pGC,
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pbox,
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nbox,
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dx, dy,
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reverse, upsidedown, bitPlane, closure);
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if (pboxNew1)
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xfree (pboxNew1);
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if (pboxNew2)
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xfree (pboxNew2);
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}
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RegionPtr
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fbDoCopy (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,
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int xOut,
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int yOut,
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fbCopyProc copyProc,
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Pixel bitPlane,
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void *closure)
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{
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RegionPtr prgnSrcClip = NULL; /* may be a new region, or just a copy */
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Bool freeSrcClip = FALSE;
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RegionPtr prgnExposed = NULL;
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RegionRec rgnDst;
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int dx;
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int dy;
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int numRects;
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int box_x1;
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int box_y1;
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int box_x2;
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int box_y2;
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Bool fastSrc = FALSE; /* for fast clipping with pixmap source */
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Bool fastDst = FALSE; /* for fast clipping with one rect dest */
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Bool fastExpose = FALSE; /* for fast exposures with pixmap source */
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/* Short cut for unmapped windows */
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if (pDstDrawable->type == DRAWABLE_WINDOW &&
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!((WindowPtr)pDstDrawable)->realized)
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{
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return NULL;
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}
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if ((pSrcDrawable != pDstDrawable) &&
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pSrcDrawable->pScreen->SourceValidate)
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{
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(*pSrcDrawable->pScreen->SourceValidate) (pSrcDrawable, xIn, yIn, widthSrc, heightSrc);
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}
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/* Compute source clip region */
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if (pSrcDrawable->type == DRAWABLE_PIXMAP)
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{
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if ((pSrcDrawable == pDstDrawable) && (pGC->clientClipType == CT_NONE))
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prgnSrcClip = fbGetCompositeClip(pGC);
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else
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fastSrc = TRUE;
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}
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else
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{
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if (pGC->subWindowMode == IncludeInferiors)
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{
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/*
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* XFree86 DDX empties the border clip when the
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* VT is inactive, make sure the region isn't empty
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*/
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if (!((WindowPtr) pSrcDrawable)->parent &&
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REGION_NOTEMPTY (pSrcDrawable->pScreen,
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&((WindowPtr) pSrcDrawable)->borderClip))
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{
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/*
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* special case bitblt from root window in
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* IncludeInferiors mode; just like from a pixmap
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*/
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fastSrc = TRUE;
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}
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else if ((pSrcDrawable == pDstDrawable) &&
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(pGC->clientClipType == CT_NONE))
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{
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prgnSrcClip = fbGetCompositeClip(pGC);
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}
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else
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{
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prgnSrcClip = NotClippedByChildren((WindowPtr)pSrcDrawable);
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freeSrcClip = TRUE;
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}
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}
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else
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{
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prgnSrcClip = &((WindowPtr)pSrcDrawable)->clipList;
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}
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}
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xIn += pSrcDrawable->x;
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yIn += pSrcDrawable->y;
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xOut += pDstDrawable->x;
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yOut += pDstDrawable->y;
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box_x1 = xIn;
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box_y1 = yIn;
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box_x2 = xIn + widthSrc;
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box_y2 = yIn + heightSrc;
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dx = xIn - xOut;
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dy = yIn - yOut;
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/* Don't create a source region if we are doing a fast clip */
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if (fastSrc)
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{
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RegionPtr cclip;
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fastExpose = TRUE;
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/*
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* clip the source; if regions extend beyond the source size,
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* make sure exposure events get sent
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*/
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if (box_x1 < pSrcDrawable->x)
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{
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box_x1 = pSrcDrawable->x;
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fastExpose = FALSE;
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}
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if (box_y1 < pSrcDrawable->y)
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{
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|
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,
|
|
GCPtr pGC,
|
|
int xIn,
|
|
int yIn,
|
|
int widthSrc,
|
|
int heightSrc,
|
|
int xOut,
|
|
int yOut)
|
|
{
|
|
fbCopyProc copy;
|
|
|
|
#ifdef FB_24_32BIT
|
|
if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
|
|
copy = fb24_32CopyMtoN;
|
|
else
|
|
#endif
|
|
copy = fbCopyNtoN;
|
|
return fbDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
|
|
widthSrc, heightSrc, xOut, yOut, copy, 0, 0);
|
|
}
|
|
|
|
RegionPtr
|
|
fbCopyPlane (DrawablePtr pSrcDrawable,
|
|
DrawablePtr pDstDrawable,
|
|
GCPtr pGC,
|
|
int xIn,
|
|
int yIn,
|
|
int widthSrc,
|
|
int heightSrc,
|
|
int xOut,
|
|
int yOut,
|
|
unsigned long bitplane)
|
|
{
|
|
if (pSrcDrawable->bitsPerPixel > 1)
|
|
return fbDoCopy (pSrcDrawable, pDstDrawable, pGC,
|
|
xIn, yIn, widthSrc, heightSrc,
|
|
xOut, yOut, fbCopyNto1, (Pixel) bitplane, 0);
|
|
else if (bitplane & 1)
|
|
return fbDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
|
|
widthSrc, heightSrc, xOut, yOut, fbCopy1toN,
|
|
(Pixel) bitplane, 0);
|
|
else
|
|
return miHandleExposures(pSrcDrawable, pDstDrawable, pGC,
|
|
xIn, yIn,
|
|
widthSrc,
|
|
heightSrc,
|
|
xOut, yOut, bitplane);
|
|
}
|