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/*
* Copyright © 2009 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Eric Anholt <eric@anholt.net>
* Zhigang Gong <zhigang.gong@linux.intel.com>
*
*/
#include "glamor_priv.h"
static Bool
_glamor_get_spans(DrawablePtr drawable,
int wmax,
DDXPointPtr points, int *widths, int count, char *dst,
Bool fallback)
{
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv =
glamor_get_pixmap_private(pixmap);
int i;
uint8_t *readpixels_dst = (uint8_t *) dst;
int x_off, y_off;
Bool ret = FALSE;
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
goto fail;
glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off);
for (i = 0; i < count; i++) {
#ifdef DEBUG
void *data =
#endif
glamor_download_sub_pixmap_to_cpu(pixmap, points[i].x + x_off,
points[i].y + y_off, widths[i], 1,
PixmapBytePad(widths[i], drawable->depth),
readpixels_dst, 0, GLAMOR_ACCESS_RO);
assert(data == readpixels_dst);
readpixels_dst += PixmapBytePad(widths[i], drawable->depth);
}
ret = TRUE;
goto done;
fail:
if (!fallback
&& glamor_ddx_fallback_check_pixmap(drawable))
goto done;
ret = TRUE;
if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RO)) {
fbGetSpans(drawable, wmax, points, widths, count, dst);
}
glamor_finish_access(drawable);
done:
return ret;
}
void
glamor_get_spans(DrawablePtr drawable,
int wmax,
DDXPointPtr points, int *widths, int count, char *dst)
{
_glamor_get_spans(drawable, wmax, points,
widths, count, dst, TRUE);
}
Bool
glamor_get_spans_nf(DrawablePtr drawable,
int wmax,
DDXPointPtr points, int *widths, int count, char *dst)
{
return _glamor_get_spans(drawable, wmax, points,
widths, count, dst, FALSE);
}
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