alexdeucher at gmail.com
Sat Jun 12 08:33:43 PDT 2010
On Sat, Jun 12, 2010 at 5:43 AM, Huang, FrankR <FrankR.Huang at amd.com> wrote:
> After I fix the PictOpOver operation, the geode still has
> another rendering issue. That is also serious. I attached a picture,
> please take a look. I have not find the root cause.
> I use this simple gtk program to reproduce. When I move the
> mouse on the button, some green add-on region is appearing. You can see
> the green part on scissor button.
> I trace the code and found that when I move the mouse on the
> button, the driver will do two rendering operation(lx_do_composite). The
> format of these two operations are:
> 1)pSrc : PICT_a8r8g8b8 pMsk: 0 pDst: PICT_r5g6b5
> 2)pSrc : PICT_a8r8g8b8 pMsk: PICT_a8 pDst:
> When I note the 1) condition handle in geode driver code,
> everything is ok. No add-on region is appeared again. But I am sure our
> driver can handle the 1) condition correctly, I use rendercheck to test
> that case.
> At the same time, when I move the mouse on the button, other
> rendering is done by Xserver because our driver can not handle all the
> rendering condition. That is due to our limited rendering function. I am
> not sure if it is caused by this mixed rendering result( our driver and
> pixman rendering together).
Make sure you are properly flushing the caches in your drawing engine?
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