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winex11: Add a separate helper function for Xrender mono->color blits.

This commit is contained in:
Alexandre Julliard 2010-04-15 12:13:16 +02:00
parent 13f203a5f6
commit e9173e1e65
1 changed files with 47 additions and 36 deletions
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83
dlls/winex11.drv/xrender.c
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@ -467,7 +467,7 @@ static const WineXRenderFormat *get_xrender_format_from_color_shifts(int depth,
}
/* Set the x/y scaling and x/y offsets in the transformation matrix of the source picture */
static void set_xrender_transformation(Picture src_pict, float xscale, float yscale, int xoffset, int yoffset)
static void set_xrender_transformation(Picture src_pict, double xscale, double yscale, int xoffset, int yoffset)
{
#ifdef HAVE_XRENDERSETPICTURETRANSFORM
XTransform xform = {{
@ -1878,51 +1878,62 @@ done_unlock:
}
/* Helper function for (stretched) blitting using xrender */
static void xrender_blit(Picture src_pict, Picture mask_pict, Picture dst_pict, int x_src, int y_src, float xscale, float yscale, int width, int height)
static void xrender_blit( Picture src_pict, Picture mask_pict, Picture dst_pict,
int x_src, int y_src, double xscale, double yscale, int width, int height )
{
/* Further down a transformation matrix is used for stretching and mirroring the source data.
* xscale/yscale contain the scaling factors for the width and height. In case of mirroring
* we also need a x- and y-offset because without the pixels will be in the wrong quadrant of the x-y plane.
*/
int x_offset = (xscale<0) ? -width : 0;
int y_offset = (yscale<0) ? -height : 0;
/* When we are using a mask, 'src_pict' contains a 1x1 picture for tiling, the actual source data is in mask_pict.
* The 'src_pict' data effectively acts as an alpha channel to the tile data. We need PictOpOver for correct rendering. */
int op = mask_pict ? PictOpOver : PictOpSrc;
int x_offset, y_offset;
/* When we need to scale we perform scaling and source_x / source_y translation using a transformation matrix.
* This is needed because XRender is inaccurate in combination with scaled source coordinates passed to XRenderComposite.
* In all other cases we do use XRenderComposite for translation as it is faster than using a transformation matrix. */
if(xscale != 1.0 || yscale != 1.0)
{
if(mask_pict)
{
set_xrender_transformation(mask_pict, xscale, yscale, x_src, y_src);
pXRenderComposite(gdi_display, op, src_pict, mask_pict, dst_pict,
0, 0, x_offset, y_offset, 0, 0, width, height);
}
else
{
set_xrender_transformation(src_pict, xscale, yscale, x_src, y_src);
pXRenderComposite(gdi_display, op, src_pict, mask_pict, dst_pict,
x_offset, y_offset, 0, 0, 0, 0, width, height);
}
/* In case of mirroring we need a source x- and y-offset because without the pixels will be
* in the wrong quadrant of the x-y plane.
*/
x_offset = (xscale < 0) ? -width : 0;
y_offset = (yscale < 0) ? -height : 0;
set_xrender_transformation(src_pict, xscale, yscale, x_src, y_src);
}
else
{
if(mask_pict)
{
set_xrender_transformation(mask_pict, 1, 1, 0, 0);
/* Note since the 'source data' is in the mask picture, we have to pass x_src / y_src using mask_x / mask_y */
pXRenderComposite(gdi_display, op, src_pict, mask_pict, dst_pict, 0, 0, x_src, y_src, 0, 0, width, height);
}
else
{
set_xrender_transformation(src_pict, 1, 1, 0, 0);
pXRenderComposite(gdi_display, op, src_pict, mask_pict, dst_pict, x_src, y_src, 0, 0, 0, 0, width, height);
}
x_offset = x_src;
y_offset = y_src;
set_xrender_transformation(src_pict, 1, 1, 0, 0);
}
pXRenderComposite( gdi_display, PictOpSrc, src_pict, mask_pict, dst_pict,
x_offset, y_offset, 0, 0, 0, 0, width, height );
}
/* Helper function for (stretched) mono->color blitting using xrender */
static void xrender_mono_blit( Picture src_pict, Picture mask_pict, Picture dst_pict,
int x_src, int y_src, double xscale, double yscale, int width, int height )
{
int x_offset, y_offset;
/* When doing a mono->color blit, 'src_pict' contains a 1x1 picture for tiling, the actual
* source data is in mask_pict. The 'src_pict' data effectively acts as an alpha channel to the
* tile data. We need PictOpOver for correct rendering.
* Note since the 'source data' is in the mask picture, we have to pass x_src / y_src using
* mask_x / mask_y
*/
if (xscale != 1.0 || yscale != 1.0)
{
/* In case of mirroring we need a source x- and y-offset because without the pixels will be
* in the wrong quadrant of the x-y plane.
*/
x_offset = (xscale < 0) ? -width : 0;
y_offset = (yscale < 0) ? -height : 0;
set_xrender_transformation(mask_pict, xscale, yscale, x_src, y_src);
}
else
{
x_offset = x_src;
y_offset = y_src;
set_xrender_transformation(mask_pict, 1, 1, 0, 0);
}
pXRenderComposite(gdi_display, PictOpOver, src_pict, mask_pict, dst_pict,
0, 0, x_offset, y_offset, 0, 0, width, height);
}
/******************************************************************************
@ -2231,7 +2242,7 @@ BOOL X11DRV_XRender_GetSrcAreaStretch(X11DRV_PDEVICE *physDevSrc, X11DRV_PDEVICE
dst_pict = pXRenderCreatePicture(gdi_display, pixmap, dst_format->pict_format, CPSubwindowMode|CPRepeat, &pa);
pXRenderFillRectangle(gdi_display, PictOpSrc, dst_pict, &col, 0, 0, width, height);
xrender_blit(src_pict, mask_pict, dst_pict, x_src, y_src, xscale, yscale, width, height);
xrender_mono_blit(src_pict, mask_pict, dst_pict, x_src, y_src, xscale, yscale, width, height);
if(dst_pict) pXRenderFreePicture(gdi_display, dst_pict);
wine_tsx11_unlock();