Egbert Eich
e24268dc7a
* u_render-Don-t-generate-invalid-pixman-format-when-using-a-24bpp-framebuffer-with-a-32bit-depth-visual.patch * u_fb-Correctly-implement-CopyArea-when-using-a-window-with-depth-32-and-24bpp.patch OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xorg-x11-server?expand=0&rev=531
45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From patchwork Fri Jun 6 11:52:13 2014
|
|
Content-Type: text/plain; charset="utf-8"
|
|
MIME-Version: 1.0
|
|
Content-Transfer-Encoding: 7bit
|
|
Subject: fb: Correctly implement CopyArea when using a window with depth 32
|
|
and 24bpp.
|
|
From: Robert Ancell <robert.ancell@canonical.com>
|
|
X-Patchwork-Id: 27263
|
|
Message-Id: <1402055533-9866-1-git-send-email-robert.ancell@canonical.com>
|
|
To: xorg-devel@lists.x.org
|
|
Cc: Robert Ancell <robert.ancell@canonical.com>
|
|
Date: Fri, 6 Jun 2014 23:52:13 +1200
|
|
|
|
When using the fb backend at 24bpp it allows a visual with 32 bit depth.
|
|
When using CopyArea from a 32bpp pixmap to a window with a 32 bit depth it would
|
|
read the ARGB as RGB.
|
|
|
|
Fix is to correctly ignore the alpha channel in the pixmap when copying.
|
|
|
|
---
|
|
fb/fbcopy.c | 10 +++++++++-
|
|
fb/fbcopy.c | 10 +++++++++-
|
|
1 file changed, 9 insertions(+), 1 deletion(-)
|
|
|
|
--- a/fb/fbcopy.c
|
|
+++ b/fb/fbcopy.c
|
|
@@ -242,8 +242,16 @@ fbCopyArea(DrawablePtr pSrcDrawable,
|
|
int xIn, int yIn, int widthSrc, int heightSrc, int xOut, int yOut)
|
|
{
|
|
miCopyProc copy;
|
|
+ int src_bpp, dst_bpp;
|
|
|
|
- if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
|
|
+ src_bpp = pSrcDrawable->bitsPerPixel;
|
|
+ if (src_bpp < pSrcDrawable->depth)
|
|
+ src_bpp = BitsPerPixel (pSrcDrawable->depth);
|
|
+ dst_bpp = pDstDrawable->bitsPerPixel;
|
|
+ if (dst_bpp < pDstDrawable->depth)
|
|
+ dst_bpp = BitsPerPixel (pDstDrawable->depth);
|
|
+
|
|
+ if (src_bpp != dst_bpp)
|
|
copy = fb24_32CopyMtoN;
|
|
else
|
|
copy = fbCopyNtoN;
|