[Piglit] [PATCH] gl-3.1-mixed-int-float-fbo: new mixed integer/float FBO test

[Brian Paul]

On 10/03/2016 12:12 PM, Anuj Phogat wrote:
> On Thu, Sep 29, 2016 at 8:51 AM, Brian Paul <brianp at vmware.com> wrote:
>> Create an FBO with two color attachments: one integer, the other
>> unorm/float.  Use a fragment shader to write to both buffers and
>> probe the results.
>>
>> Also, test the value of querying GL_RGBA_INTEGER_MODE_EXT.  It should
>> be true whenever at least one attachment is integer.
>>
>> NOTE: This test fails with both NVIDIA and llvmpipe.  It seems that no
>> matter whether the second attachment is integer or unorm, the rendering
>> doesn't work.  I don't know if this is a driver bug, undefined behavior
>> or if I've got something wrong in my code.  Ideas appreciated.
> This test also fails on Intel.

Thanks for testing.  I'm _pretty_ sure my code is correct but maybe 
someone could double-check my work.  I'd have thought that there's 
probably some app out there that might try to do this, and that it 
should work.

-Brian