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/*
* Copyright © 2004 David Reveman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#include "xgl.h"
#ifdef RENDER
static glitz_operator_t xglOperators[] = {
GLITZ_OPERATOR_CLEAR,
GLITZ_OPERATOR_SRC,
GLITZ_OPERATOR_DST,
GLITZ_OPERATOR_OVER,
GLITZ_OPERATOR_OVER_REVERSE,
GLITZ_OPERATOR_IN,
GLITZ_OPERATOR_IN_REVERSE,
GLITZ_OPERATOR_OUT,
GLITZ_OPERATOR_OUT_REVERSE,
GLITZ_OPERATOR_ATOP,
GLITZ_OPERATOR_ATOP_REVERSE,
GLITZ_OPERATOR_XOR,
GLITZ_OPERATOR_ADD
};
#define NUM_XGL_OPERATORS \
(sizeof (xglOperators) / sizeof (xglOperators[0]))
#define XGL_OPERATOR(op) (xglOperators[op])
Bool
xglComp (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height,
xglGeometryPtr pGeometry,
glitz_surface_t *mask)
{
ScreenPtr pScreen = pDst->pDrawable->pScreen;
xglPixmapPtr pSrcPriv;
glitz_surface_t *src, *dst;
int dstXoff, dstYoff;
RegionRec region;
BoxPtr pBox;
int nBox;
if (pDst->alphaMap)
return FALSE;
if (op >= NUM_XGL_OPERATORS)
return FALSE;
if (pSrc->pDrawable->type != DRAWABLE_PIXMAP)
return FALSE;
if (pSrc->pDrawable->bitsPerPixel == 1)
return FALSE;
if (pMask)
{
if (pMask->pDrawable->type != DRAWABLE_PIXMAP)
return FALSE;
if (pSrc->pDrawable == pMask->pDrawable && pSrc != pMask)
return FALSE;
}
if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
xSrc, ySrc, xMask, yMask,
xDst, yDst, width, height))
return TRUE;
pBox = REGION_RECTS (®ion);
nBox = REGION_NUM_RECTS (®ion);
if (!xglPrepareTarget (pDst->pDrawable))
{
REGION_UNINIT (pScreen, ®ion);
return FALSE;
}
XGL_GET_DRAWABLE (pDst->pDrawable, dst, dstXoff, dstYoff);
if (!xglSyncSurface (pSrc->pDrawable))
{
REGION_UNINIT (pScreen, ®ion);
return FALSE;
}
pSrcPriv = XGL_GET_PIXMAP_PRIV ((PixmapPtr) pSrc->pDrawable);
if (XGL_PICTURE_CHANGES (pSrcPriv->pictureMask))
xglUpdatePicture (pSrc);
src = pSrcPriv->surface;
if (pMask)
{
xglPixmapPtr pMaskPriv;
/* bitmap as mask */
if (pMask->pDrawable->bitsPerPixel == 1)
{
if (pGeometry)
{
REGION_UNINIT (pScreen, ®ion);
return FALSE;
}
pGeometry =
xglPixmapToGeometry ((PixmapPtr) pMask->pDrawable,
xDst - xMask,
yDst - yMask);
if (!pGeometry)
{
REGION_UNINIT (pScreen, ®ion);
return FALSE;
}
}
else
{
if (!xglSyncSurface (pMask->pDrawable))
{
REGION_UNINIT (pScreen, ®ion);
return FALSE;
}
pMaskPriv = XGL_GET_PIXMAP_PRIV ((PixmapPtr) pMask->pDrawable);
if (XGL_PICTURE_CHANGES (pMaskPriv->pictureMask))
xglUpdatePicture (pMask);
mask = pMaskPriv->surface;
}
}
if (!pGeometry)
{
if (!pSrc->transform && pSrc->filter != PictFilterConvolution)
{
if (pSrc->repeat)
{
/* tile */
if (!pSrcPriv->acceleratedTile)
{
pGeometry =
xglTiledBoxGeometry ((PixmapPtr) pSrc->pDrawable,
xSrc - xDst, ySrc - yDst,
pBox, nBox);
if (!pGeometry)
{
REGION_UNINIT (pScreen, ®ion);
return FALSE;
}
pBox = REGION_EXTENTS (pScreen, ®ion);
nBox = 1;
}
}
else
{
/* copy */
if (op == PictOpSrc && !mask)
{
if (xglCopy (pSrc->pDrawable,
pDst->pDrawable,
xSrc - xDst,
ySrc - yDst,
pBox,
nBox))
{
REGION_UNINIT (pScreen, ®ion);
return TRUE;
}
}
}
}
if (nBox > 1)
{
pGeometry = xglGetScratchVertexGeometry (pScreen, 4 * nBox);
GEOMETRY_ADD_BOX (pScreen, pGeometry, pBox, nBox);
pBox = REGION_EXTENTS (pScreen, ®ion);
}
xSrc += pBox->x1 - xDst;
ySrc += pBox->y1 - yDst;
if (pMask)
{
xMask += pBox->x1 - xDst;
yMask += pBox->y1 - yDst;
}
xDst = pBox->x1;
yDst = pBox->y1;
width = pBox->x2 - pBox->x1;
height = pBox->y2 - pBox->y1;
}
else
{
glitz_surface_set_clip_region (dst,
dstXoff, dstYoff,
(glitz_box_t *) pBox, nBox);
}
if (pGeometry)
{
GEOMETRY_TRANSLATE (pGeometry, dstXoff, dstYoff);
if (!GEOMETRY_ENABLE (pGeometry, dst))
{
REGION_UNINIT (pScreen, ®ion);
return FALSE;
}
} else
GEOMETRY_DISABLE (dst);
glitz_composite (XGL_OPERATOR (op),
src, mask, dst,
xSrc, ySrc,
xMask, yMask,
xDst + dstXoff, yDst + dstYoff,
width, height);
glitz_surface_set_clip_region (dst, 0, 0, NULL, 0);
REGION_UNINIT (pScreen, ®ion);
if (glitz_surface_get_status (dst))
return FALSE;
return TRUE;
}
#endif
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