[Piglit] [PATCH] generator: clear before rendering with the builtin tests

[Eric Anholt]

Eric Anholt <eric at anholt.net> writes:

> Dave Airlie <airlied at gmail.com> writes:
>
>> From: Dave Airlie <airlied at redhat.com>
>>
>> Otherwise there is a chance you'll get the contents from the last
>> test which are green, and if this test fails to renderer you'll pass.
>>
>> Signed-off-by: Dave Airlie <airlied at redhat.com>
>
> This probably slightly improves performance for me, actually.  I
> initially wondered why you were getting previous buffer contents, then
> rememered that on a discrete GPU the on-GPU memory wouldn't be getting
> zeroed in between allocations.

I should have said,

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