Module: wine
Branch: master
Commit: e9173e1e65e158630129a49e61b8bdf0e67a18a4
URL: http://source.winehq.org/git/wine.git/?a=commit;h=e9173e1e65e158630129a49e6…
Author: Alexandre Julliard <julliard(a)winehq.org>
Date: Thu Apr 15 12:13:16 2010 +0200
winex11: Add a separate helper function for Xrender mono->color blits.
---
dlls/winex11.drv/xrender.c | 83 +++++++++++++++++++++++++-------------------
1 files changed, 47 insertions(+), 36 deletions(-)
diff --git a/dlls/winex11.drv/xrender.c b/dlls/winex11.drv/xrender.c
index 68a3d7c..b4f4e55 100644
--- a/dlls/winex11.drv/xrender.c
+++ b/dlls/winex11.drv/xrender.c
@@ -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();