[Mesa-dev] [PATCH 2/2] i965/fs: Add support for gl_HelperInvocation system value.

[Matt Turner]

On Wed, Nov 18, 2015 at 2:25 PM, Matt Turner <mattst88 at gmail.com> wrote:
> ---
> This fails... for reasons I cannot determine. Can anyone spot what's wrong?

Ilia identified the problem in 10 seconds -- I need to NOT the pixel
mask. A set bit in the mask means the channel is enabled, and that's
the opposite of what gl_HelperInvocation means.