On Tuesday, May 24, 2016 1:37:48 AM PDT Jordan Justen wrote:
> We added this support into nir for Mesa's Intel vulkan driver as part
> of the SPIR-V support, so we can use it for the i965 driver as well.
> 
> Signed-off-by: Jordan Justen <[email protected]>
> ---
>  src/mesa/drivers/dri/i965/brw_compiler.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_compiler.c 
> b/src/mesa/drivers/dri/i965/brw_compiler.c
> index c3a192d..82131db 100644
> --- a/src/mesa/drivers/dri/i965/brw_compiler.c
> +++ b/src/mesa/drivers/dri/i965/brw_compiler.c
> @@ -199,8 +199,6 @@ brw_compiler_create(void *mem_ctx, const struct 
> brw_device_info *devinfo)
>  
>     compiler->glsl_compiler_options[MESA_SHADER_COMPUTE]
>        .LowerShaderSharedVariables = true;
> -   compiler->glsl_compiler_options[MESA_SHADER_COMPUTE]
> -      .LowerCsDerivedVariables = true;
>  
>     return compiler;
>  }
> 

I did a double-take when I saw you were turning off the GLSL IR lowering
a patch before adding new NIR-based lowering.  Seemed wrong.  But here
you're switching to different existing NIR lowering.

Perhaps add this to your commit message:

    nir_lower_system_values() can do this for us.

    We added this support into ...

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