[Mesa-dev] Random results in piglit spec/!OpenGL 1.1/read-front on r600g
maraeo at gmail.com
Thu Jun 6 15:37:42 PDT 2013
There are bugs in both piglit and DRI2. I haven't looked into the
issue, but Paul Berry seems to be working on it.
On Fri, Jun 7, 2013 at 12:04 AM, Martin Andersson <g02maran at gmail.com> wrote:
> I get random results when I run the spec/!OpenGL 1.1/read-front test.
> Sometimes it passes and sometimes it failes, it mostly fails though.
> When it fails the observed values are random. I have an AMD 6950,
> running mesa git ce67fb4715e0c2fab01de33da475ef4705622020 and kernel
> If I insert a delay before the piglit_swap_buffers call in the test
> (read-front.c) it always passes. It does not matter where I put the
> delay in the piglit_dispay function, as long as it is before the
> piglit_swap_buffers call. So it seems to be a race between the
> swap_buffers_call and some earlier call (some piglit initialization
> Does anyone know what could be wrong or how I could debug it further?
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