[Piglit] [PATCH] fbo-alphatest-formats: correct the expected intensity/luminance values

[Eric Anholt]

On Mon, 12 Mar 2012 10:05:08 -0600, Brian Paul <brianp at vmware.com> wrote:
> The expected intensity and luminance values are different depending on
> whether we're doing glReadPixels() from a texture or sampling the texture.
> 
> Fixes failures both with NVIDIA's driver and Mesa since we changed/fixed
> readback of luminance/intensity textures.

Reviewed-by: Eric Anholt <eric at anholt.net>
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