The format doesn't have alpha. See what the texture fetch writes to
the alpha channel.
You may try setting "texture-integer.c:290" to "expected[3] = 1.0;"
Marek
On Fri, Aug 2, 2013 at 2:15 PM, Martin Andersson <g02ma...@gmail.com> wrote:
> Hi,
>
> I started to look at why the spec/!OpenGL 3.0/gl-3.0-texture-integer
> sometimes fails on my AMD 6950, using mesa master. It fails with
> errors like this:
>
> texture-integer: failure with format GL_RGB8I_EXT:
> texture color = 100, 9, 71, 0
> expected color = 0.25, 0.5, 0.75, 0
> result color = 0.25098, 0.501961, 0.74902, 1
> PIGLIT: {'result': 'fail' }
>
> When I ran the test a bunch of times I found that it only failed when
> the last texture color was zero. So when I changed this code in the
> pigilt test:
>
> value[0] = rand() % max;
> value[1] = rand() % max;
> value[2] = rand() % max;
> value[3] = rand() % max;
>
> to this:
>
> value[0] = rand() % max;
> value[1] = rand() % max;
> value[2] = rand() % max;
> value[3] = 0;
>
> The test always fails.
>
> I found this bug https://bugs.freedesktop.org/show_bug.cgi?id=63664
> But I can't reproduce this bug on my intel G45 (running mesa 9.1.5).
>
> Anyone know what is causing this or how I could debug it further?
>
> //Martin
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@lists.freedesktop.org
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