[Mesa-dev] [PATCH] Revert "radeonsi: only set BC_OPTIMIZE_DISABLE when necessary"

[Michel Dänzer]

On 13.01.2015 19:11, Marek Olšák wrote:
> This is weird. We only enable this optimization if the shader code
> doesn't use CENTROID at all. This is the main flag:
> sctx->ps_shader->info.uses_centroid.
> 
> You can try to simplify the condition to:
> 
> bc_optimize_disable = sctx->ps_shader->info.uses_centroid;
> 
> That should avoid using the optimization even for the non-MSAA case if
> CENTROID is used.

That would probably fix the problem, but I wonder if the optimization
has any effect then? What little description I've found of it sounds
like it could only have an effect for shaders which use both centroid
and center interpolation.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer