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Speed up the GetImageBits case where we have an XShm image.

This commit is contained in:
Gavriel State 2002-01-04 18:23:17 +00:00 committed by Alexandre Julliard
parent cc2d3826f1
commit 9e7c1111a6
1 changed files with 33 additions and 6 deletions
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39
graphics/x11drv/dib.c
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@ -4607,13 +4607,40 @@ static int X11DRV_DIB_GetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
}
}
TRACE("XGetSubImage(%ld,%d,%d,%d,%d,%ld,%d,%p,%d,%d)\n",
descr->drawable, descr->xSrc, descr->ySrc, descr->width,
lines, AllPlanes, ZPixmap, bmpImage, descr->xDest, descr->yDest);
XGetSubImage( gdi_display, descr->drawable, descr->xSrc, descr->ySrc,
descr->width, lines, AllPlanes, ZPixmap,
bmpImage, descr->xDest, descr->yDest );
if (descr->useShm)
{
int saveRed, saveGreen, saveBlue;
TRACE("XShmGetImage(%p, %ld, %p, %d, %d, %ld)\n",
gdi_display, descr->drawable, bmpImage,
descr->xSrc, descr->ySrc, AllPlanes);
/* We must save and restore the bmpImage's masks in order
* to preserve them across the call to XShmGetImage, which
* decides to eleminate them since it doesn't happen to know
* what the format of the image is supposed to be, even though
* we do. */
saveRed = bmpImage->red_mask;
saveBlue= bmpImage->blue_mask;
saveGreen = bmpImage->green_mask;
XShmGetImage( gdi_display, descr->drawable, bmpImage,
descr->xSrc, descr->ySrc, AllPlanes);
bmpImage->red_mask = saveRed;
bmpImage->blue_mask = saveBlue;
bmpImage->green_mask = saveGreen;
}
else
{
TRACE("XGetSubImage(%p,%ld,%d,%d,%d,%d,%ld,%d,%p,%d,%d)\n",
gdi_display, descr->drawable, descr->xSrc, descr->ySrc, descr->width,
lines, AllPlanes, ZPixmap, bmpImage, descr->xDest, descr->yDest);
XGetSubImage( gdi_display, descr->drawable, descr->xSrc, descr->ySrc,
descr->width, lines, AllPlanes, ZPixmap,
bmpImage, descr->xDest, descr->yDest );
}
TRACE("Dib: depth=%2d r=%lx g=%lx b=%lx\n",
descr->infoBpp,descr->rMask,descr->gMask,descr->bMask);
TRACE("Bmp: depth=%2d/%2d r=%lx g=%lx b=%lx\n",