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/*
* Copyright © 2004 Keith Packard
*
* 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 Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "fb.h"
#include "picturestr.h"
#include "mipict.h"
#include "fbpict.h"
void
fbAddTraps (PicturePtr pPicture,
INT16 x_off,
INT16 y_off,
int ntrap,
xTrap *traps)
{
int image_xoff, image_yoff;
pixman_image_t *image = image_from_pict (pPicture, FALSE, &image_xoff, &image_yoff);
if (!image)
return;
pixman_add_traps (image, x_off, y_off, ntrap, (pixman_trap_t *)traps);
free_pixman_pict (pPicture, image);
}
void
fbRasterizeTrapezoid (PicturePtr pPicture,
xTrapezoid *trap,
int x_off,
int y_off)
{
int mask_xoff, mask_yoff;
pixman_image_t *image = image_from_pict (pPicture, FALSE, &mask_xoff, &mask_yoff);
if (!image)
return;
pixman_rasterize_trapezoid (image, (pixman_trapezoid_t *)trap, x_off, y_off);
free_pixman_pict (pPicture, image);
}
void
fbAddTriangles (PicturePtr pPicture,
INT16 x_off,
INT16 y_off,
int ntri,
xTriangle *tris)
{
int image_xoff, image_yoff;
pixman_image_t *image =
image_from_pict (pPicture, FALSE, &image_xoff, &image_yoff);
if (!image)
return;
pixman_add_triangles (image, x_off, y_off, ntri, (pixman_triangle_t *)tris);
free_pixman_pict (pPicture, image);
}
typedef void (* CompositeShapesFunc) (pixman_op_t op,
pixman_image_t *src,
pixman_image_t *dst,
pixman_format_code_t mask_format,
int x_src, int y_src,
int x_dst, int y_dst,
int n_shapes, const uint8_t *shapes);
static void
fbShapes (CompositeShapesFunc composite,
pixman_op_t op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
int16_t xSrc,
int16_t ySrc,
int16_t xDst,
int16_t yDst,
int nshapes,
int shape_size,
const uint8_t * shapes)
{
pixman_image_t *src, *dst;
int src_xoff, src_yoff;
int dst_xoff, dst_yoff;
src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff);
dst = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff);
if (src && dst)
{
pixman_format_code_t format;
if (!maskFormat)
{
int i;
if (pDst->polyEdge == PolyEdgeSharp)
format = PIXMAN_a1;
else
format = PIXMAN_a8;
for (i = 0; i < nshapes; ++i)
{
composite (op, src, dst, format,
xSrc + src_xoff,
ySrc + src_yoff,
xDst + dst_xoff,
yDst + dst_yoff,
1, shapes + i * shape_size);
}
}
else
{
switch (PICT_FORMAT_A (maskFormat->format))
{
case 1:
format = PIXMAN_a1;
break;
case 4:
format = PIXMAN_a4;
break;
default:
case 8:
format = PIXMAN_a8;
break;
}
composite (op, src, dst, format,
xSrc + src_xoff,
ySrc + src_yoff,
xDst + dst_xoff,
yDst + dst_yoff,
nshapes, shapes);
}
}
free_pixman_pict (pSrc, src);
free_pixman_pict (pDst, dst);
}
void
fbTrapezoids (CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc,
int ntrap,
xTrapezoid *traps)
{
int xDst, yDst;
xDst = traps[0].left.p1.x >> 16;
yDst = traps[0].left.p1.y >> 16;
fbShapes ((CompositeShapesFunc)pixman_composite_trapezoids,
op, pSrc, pDst, maskFormat,
xSrc, ySrc, xDst, yDst,
ntrap, sizeof (xTrapezoid), (const uint8_t *)traps);
}
void
fbTriangles (CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc,
int ntris,
xTriangle *tris)
{
int xDst, yDst;
xDst = tris[0].p1.x >> 16;
yDst = tris[0].p1.y >> 16;
fbShapes ((CompositeShapesFunc)pixman_composite_triangles,
op, pSrc, pDst, maskFormat,
xSrc, ySrc, xDst, yDst,
ntris, sizeof (xTriangle), (const uint8_t *)tris);
}
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