Re: [Mesa-dev] [PATCH] panfrost: Enable helper invocations when texturing

2019-06-08 Thread Jason Ekstrand
On June 7, 2019 18:04:40 Alyssa Rosenzweig wrote: it turns out we have explicit control over helper invocations; if a particular bit in the fragment shader descriptor is set, helper invocations are launched; if it clear, they are not. Helper invocations are required whenever computing

[Mesa-dev] [PATCH] panfrost: Enable helper invocations when texturing

2019-06-07 Thread Alyssa Rosenzweig
it turns out we have explicit control over helper invocations; if a particular bit in the fragment shader descriptor is set, helper invocations are launched; if it clear, they are not. Helper invocations are required whenever computing derivatives, whether explicitly (dFdx/dFdy) *or* implicitly