xenocara/xserver/hw/xgl/xglshm.c

124 lines
3.2 KiB
C

/*
* Copyright © 2005 Novell, Inc.
*
* 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
* Novell, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* Novell, Inc. makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL NOVELL, INC. 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 "gcstruct.h"
#ifdef MITSHM
void
xglShmPutImage (DrawablePtr pDrawable,
GCPtr pGC,
int depth,
unsigned int format,
int w,
int h,
int sx,
int sy,
int sw,
int sh,
int dx,
int dy,
char *data)
{
ScreenPtr pScreen = pDrawable->pScreen;
PixmapPtr pPixmapHeader = NULL;
PixmapPtr pPixmap;
int saveTarget;
XGL_DRAWABLE_PIXMAP_PRIV (pDrawable);
if ((format == ZPixmap) || (depth == 1))
{
pPixmap = pPixmapHeader =
GetScratchPixmapHeader (pScreen, w, h, depth,
BitsPerPixel (depth),
PixmapBytePad (w, depth),
(pointer) data);
/* disable any possible acceleration of this pixmap */
if (pPixmap)
xglSetPixmapVisual (pPixmap, 0);
}
else
{
pPixmap = (*pScreen->CreatePixmap) (pScreen, sw, sh, depth,
CREATE_PIXMAP_USAGE_SCRATCH);
if (pPixmap)
{
GCPtr pScratchGC;
if (!xglAllocatePixmapBits (pPixmap,
XGL_PIXMAP_USAGE_HINT_DEFAULT))
{
(*pScreen->DestroyPixmap) (pPixmap);
return;
}
xglSetPixmapVisual (pPixmap, 0);
pScratchGC = GetScratchGC (depth, pScreen);
if (!pScratchGC)
{
(*pScreen->DestroyPixmap) (pPixmap);
return;
}
ValidateGC ((DrawablePtr) pPixmap, pScratchGC);
(*pGC->ops->PutImage) ((DrawablePtr) pPixmap, pScratchGC, depth,
-sx, -sy, w, h, 0,
(format == XYPixmap) ? XYPixmap : ZPixmap,
data);
FreeScratchGC (pScratchGC);
sx = sy = 0;
}
}
if (!pPixmap)
return;
/* CopyArea should always be done in software */
saveTarget = pPixmapPriv->target;
pPixmapPriv->target = xglPixmapTargetNo;
if (format == XYBitmap)
(*pGC->ops->CopyPlane) ((DrawablePtr) pPixmap, pDrawable, pGC,
sx, sy, sw, sh, dx, dy, 1L);
else
(*pGC->ops->CopyArea) ((DrawablePtr) pPixmap, pDrawable, pGC,
sx, sy, sw, sh, dx, dy);
pPixmapPriv->target = saveTarget;
if (pPixmapHeader)
FreeScratchPixmapHeader (pPixmapHeader);
else
(*pScreen->DestroyPixmap) (pPixmap);
}
#endif