252 lines
5.8 KiB
C
252 lines
5.8 KiB
C
/*
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* Copyright © 2004 David Reveman
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the names of
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* David Reveman not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior permission.
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* David Reveman makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*
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* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
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* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: David Reveman <davidr@freedesktop.org>
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*/
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#include "xgl.h"
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#ifdef RENDER
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static glitz_operator_t xglOperators[] = {
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GLITZ_OPERATOR_CLEAR,
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GLITZ_OPERATOR_SRC,
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GLITZ_OPERATOR_DST,
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GLITZ_OPERATOR_OVER,
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GLITZ_OPERATOR_OVER_REVERSE,
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GLITZ_OPERATOR_IN,
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GLITZ_OPERATOR_IN_REVERSE,
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GLITZ_OPERATOR_OUT,
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GLITZ_OPERATOR_OUT_REVERSE,
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GLITZ_OPERATOR_ATOP,
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GLITZ_OPERATOR_ATOP_REVERSE,
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GLITZ_OPERATOR_XOR,
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GLITZ_OPERATOR_ADD
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};
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#define NUM_XGL_OPERATORS \
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(sizeof (xglOperators) / sizeof (xglOperators[0]))
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#define XGL_OPERATOR(op) (xglOperators[op])
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Bool
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xglComp (CARD8 op,
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PicturePtr pSrc,
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PicturePtr pMask,
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PicturePtr pDst,
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INT16 xSrc,
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INT16 ySrc,
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INT16 xMask,
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INT16 yMask,
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INT16 xDst,
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INT16 yDst,
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CARD16 width,
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CARD16 height)
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{
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ScreenPtr pScreen = pDst->pDrawable->pScreen;
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xglPixmapPtr pSrcPriv, pMaskPriv;
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glitz_surface_t *dst;
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int dstXoff, dstYoff;
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RegionRec region;
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BoxPtr pBox;
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int nBox;
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if (pDst->dither != None)
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return FALSE;
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if (pDst->alphaMap)
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return FALSE;
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if (op >= NUM_XGL_OPERATORS)
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return FALSE;
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if (pSrc->pDrawable->type != DRAWABLE_PIXMAP)
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return FALSE;
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if (pMask)
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{
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if (pMask->pDrawable->type != DRAWABLE_PIXMAP)
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return FALSE;
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/*
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* Why?
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*/
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if (pSrc->pDrawable == pMask->pDrawable)
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return FALSE;
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}
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xDst += pDst->pDrawable->x;
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yDst += pDst->pDrawable->y;
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if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
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xSrc, ySrc, xMask, yMask,
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xDst, yDst, width, height))
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return TRUE;
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pBox = REGION_RECTS (®ion);
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nBox = REGION_NUM_RECTS (®ion);
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/*
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* Simple copy
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*/
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if (op == PictOpSrc && !pMask &&
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!pSrc->transform && !pSrc->repeat && pSrc->filter <= 1)
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{
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if (xglCopy (pSrc->pDrawable,
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pDst->pDrawable,
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xSrc - xDst,
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ySrc - yDst,
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pBox,
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nBox))
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{
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REGION_UNINIT (pScreen, ®ion);
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xglAddBitDamage (pDst->pDrawable);
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return TRUE;
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}
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REGION_UNINIT (pScreen, ®ion);
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return FALSE;
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}
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if (!xglPrepareTarget (pDst->pDrawable))
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{
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REGION_UNINIT (pScreen, ®ion);
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return FALSE;
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}
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XGL_GET_DRAWABLE (pDst->pDrawable, dst, dstXoff, dstYoff);
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if (!xglSyncSurface (pSrc->pDrawable))
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{
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REGION_UNINIT (pScreen, ®ion);
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return FALSE;
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}
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pSrcPriv = XGL_GET_PIXMAP_PRIV ((PixmapPtr) pSrc->pDrawable);
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if (XGL_PICTURE_CHANGES (pSrcPriv->pictureMask))
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xglUpdatePicture (pSrc);
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if (pMask)
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{
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if (!xglSyncSurface (pMask->pDrawable))
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{
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REGION_UNINIT (pScreen, ®ion);
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return FALSE;
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}
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pMaskPriv = XGL_GET_PIXMAP_PRIV ((PixmapPtr) pMask->pDrawable);
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if (XGL_PICTURE_CHANGES (pMaskPriv->pictureMask))
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xglUpdatePicture (pMask);
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} else
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pMaskPriv = NULL;
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if (nBox > 1)
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{
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xglGeometryRec geometry;
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GEOMETRY_INIT (pScreen, &geometry, REGION_NUM_RECTS (®ion) << 3);
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GEOMETRY_ADD_BOX (pScreen, &geometry, pBox, nBox);
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GEOMETRY_TRANSLATE (&geometry, dstXoff, dstYoff);
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if (!GEOMETRY_ENABLE_ALL_VERTICES (&geometry, dst))
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{
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GEOMETRY_UNINIT (&geometry);
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return FALSE;
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}
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pBox = REGION_EXTENTS (pScreen, ®ion);
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} else
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GEOMETRY_DISABLE (dst);
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xSrc += pBox->x1 - xDst;
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ySrc += pBox->y1 - yDst;
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if (pMask)
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{
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xMask += pBox->x1 - xDst;
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yMask += pBox->y1 - yDst;
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}
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xDst = pBox->x1;
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yDst = pBox->y1;
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width = pBox->x2 - pBox->x1;
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height = pBox->y2 - pBox->y1;
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REGION_UNINIT (pScreen, ®ion);
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/*
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* Do software tile instead if hardware can't do it.
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*/
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if (pSrc->repeat && !pSrcPriv->acceleratedTile)
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{
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BoxRec box;
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if (pSrc->transform || pSrc->filter > 1)
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return FALSE;
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/*
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* Don't allow software tile with really small pixmaps.
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*/
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if (pSrc->pDrawable->width < 8 && pSrc->pDrawable->height < 8)
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return FALSE;
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box.x1 = xDst + dstXoff;
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box.y1 = yDst + dstYoff;
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box.x2 = box.x1 + width;
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box.y2 = box.y1 + height;
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glitz_surface_set_fill (pSrcPriv->surface, GLITZ_FILL_TRANSPARENT);
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xglSwTile (XGL_OPERATOR (op),
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pSrcPriv->surface,
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(pMaskPriv)? pMaskPriv->surface: NULL,
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dst,
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xSrc - box.x1, ySrc - box.y1,
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xMask - box.x1, yMask - box.y1,
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TILE_SOURCE,
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&box, 1,
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0, 0);
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}
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else
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{
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glitz_composite (XGL_OPERATOR (op),
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pSrcPriv->surface,
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(pMaskPriv)? pMaskPriv->surface: NULL,
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dst,
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xSrc, ySrc,
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xMask, yMask,
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xDst + dstXoff, yDst + dstYoff,
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width, height);
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}
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if (glitz_surface_get_status (dst))
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return FALSE;
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xglAddBitDamage (pDst->pDrawable);
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return TRUE;
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}
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#endif
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