Re: [Mesa-dev] i965: Single program flow for shaders with no control flow.

2014-05-07 Thread Eric Anholt
Matt Turner writes: > The docs say that flipping this bit on for shaders that don't do SIMD > branching (i.e., non-uniform control flow) will save us some power. > > An easy first step is turning this on when we don't see control flow. > > In the future with more infrastructure in place, we can d

[Mesa-dev] i965: Single program flow for shaders with no control flow.

2014-05-06 Thread Matt Turner
The docs say that flipping this bit on for shaders that don't do SIMD branching (i.e., non-uniform control flow) will save us some power. An easy first step is turning this on when we don't see control flow. In the future with more infrastructure in place, we can determine if all branching condit