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winex11: Implement a BlendImage entry point in the XRender driver.

This commit is contained in:
Alexandre Julliard 2011-09-20 12:00:00 +02:00
parent 3be01b185d
commit fb4dc8a544
1 changed files with 75 additions and 1 deletions
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76
dlls/winex11.drv/xrender.c
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@ -2765,6 +2765,80 @@ x11drv_fallback:
}
/***********************************************************************
* xrenderdrv_BlendImage
*/
static DWORD xrenderdrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits,
struct bitblt_coords *src, struct bitblt_coords *dst,
BLENDFUNCTION func )
{
struct xrender_physdev *physdev = get_xrender_dev( dev );
DWORD ret;
enum wxr_format format;
XRenderPictFormat *pict_format;
Picture dst_pict, src_pict, mask_pict;
Pixmap src_pixmap;
BOOL use_repeat;
if (!X11DRV_XRender_Installed)
{
dev = GET_NEXT_PHYSDEV( dev, pBlendImage );
return dev->funcs->pBlendImage( dev, info, bits, src, dst, func );
}
format = get_xrender_format_from_bitmapinfo( info, func.AlphaFormat & AC_SRC_ALPHA );
if (!(pict_format = pict_formats[format])) goto update_format;
/* make sure we can create an image with the same bpp */
if (info->bmiHeader.biBitCount != pixmap_formats[pict_format->depth]->bits_per_pixel)
goto update_format;
if (format == WXR_FORMAT_MONO && physdev->format != WXR_FORMAT_MONO)
goto update_format;
if (!bits) return ERROR_SUCCESS; /* just querying the format */
ret = create_image_pixmap( info, bits, src, format, &src_pixmap, &src_pict, &use_repeat );
if (!ret)
{
double xscale, yscale;
X11DRV_LockDIBSection( physdev->x11dev, DIB_Status_GdiMod );
if (!use_repeat)
{
xscale = src->width / (double)dst->width;
yscale = src->height / (double)dst->height;
}
else xscale = yscale = 1; /* no scaling needed with a repeating source */
dst_pict = get_xrender_picture( physdev, 0, &dst->visrect );
EnterCriticalSection( &xrender_cs );
mask_pict = get_mask_pict( func.SourceConstantAlpha * 257 );
wine_tsx11_lock();
xrender_blit( PictOpOver, src_pict, mask_pict, dst_pict, src->x, src->y,
physdev->x11dev->dc_rect.left + dst->x,
physdev->x11dev->dc_rect.top + dst->y,
xscale, yscale, dst->width, dst->height );
pXRenderFreePicture( gdi_display, src_pict );
XFreePixmap( gdi_display, src_pixmap );
wine_tsx11_unlock();
LeaveCriticalSection( &xrender_cs );
X11DRV_UnlockDIBSection( physdev->x11dev, TRUE );
}
return ret;
update_format:
if (info->bmiHeader.biHeight > 0) info->bmiHeader.biHeight = -info->bmiHeader.biHeight;
set_color_info( physdev->pict_format, info );
return ERROR_BAD_FORMAT;
}
/***********************************************************************
* xrenderdrv_AlphaBlend
*/
@ -2881,7 +2955,7 @@ static const struct gdi_dc_funcs xrender_funcs =
NULL, /* pArc */
NULL, /* pArcTo */
NULL, /* pBeginPath */
NULL, /* pBlendImage */
xrenderdrv_BlendImage, /* pBlendImage */
NULL, /* pChoosePixelFormat */
NULL, /* pChord */
NULL, /* pCloseFigure */