xenocara/xserver/hw/xgl/xglcopy.c
2006-11-26 18:13:41 +00:00

131 lines
3.1 KiB
C

/*
* 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"
#include "fb.h"
Bool
xglCopy (DrawablePtr pSrc,
DrawablePtr pDst,
int dx,
int dy,
BoxPtr pBox,
int nBox)
{
glitz_surface_t *src, *dst;
int srcXoff, srcYoff;
int dstXoff, dstYoff;
XGL_DRAWABLE_PIXMAP (pDst);
if (!nBox)
return TRUE;
if (xglPrepareTarget (pDst))
{
if (!xglSyncSurface (pSrc))
return FALSE;
}
else
{
if (!xglPrepareTarget (pSrc))
return FALSE;
if (!xglSyncSurface (pDst))
return FALSE;
}
XGL_GET_DRAWABLE (pSrc, src, srcXoff, srcYoff);
XGL_GET_DRAWABLE (pDst, dst, dstXoff, dstYoff);
glitz_surface_set_clip_region (dst,
dstXoff, dstYoff,
(glitz_box_t *) pBox, nBox);
glitz_copy_area (src,
dst,
srcXoff + dx,
srcYoff + dy,
pPixmap->drawable.width - dstXoff,
pPixmap->drawable.height - dstYoff,
dstXoff,
dstYoff);
glitz_surface_set_clip_region (dst, 0, 0, NULL, 0);
if (glitz_surface_get_status (dst))
return FALSE;
return TRUE;
}
void
xglCopyProc (DrawablePtr pSrc,
DrawablePtr pDst,
GCPtr pGC,
BoxPtr pBox,
int nBox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
{
BoxPtr pSrcBox = (BoxPtr) closure;
if (!xglCopy (pSrc, pDst, dx, dy, pBox, nBox))
{
RegionRec region;
XGL_DRAWABLE_PIXMAP (pDst);
XGL_PIXMAP_PRIV (pPixmap);
if (!xglSyncBits (pSrc, pSrcBox))
FatalError (XGL_SW_FAILURE_STRING);
if (!xglMapPixmapBits (pPixmap))
FatalError (XGL_SW_FAILURE_STRING);
fbCopyNtoN (pSrc, pDst, pGC,
pBox, nBox,
dx, dy,
reverse, upsidedown, bitplane,
(void *) 0);
pPixmapPriv->damageBox = miEmptyBox;
while (nBox--)
{
REGION_INIT (pDst->pScreen, &region, pBox, 1);
xglAddSurfaceDamage (pDst, &region);
REGION_UNINIT (pDst->pScreen, &region);
pBox++;
}
} else
xglAddCurrentBitDamage (pDst);
}