[Mesa-dev] [v4 PATCH 07/10] mesa: function for testing if current frag-shader has atomics

[Ian Romanick]

This patch is

Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

On 05/27/2015 02:49 AM, Kevin Rogovin wrote:
> Add helper function that checks if current fragment shader active
> of gl_context has atomic buffer access.
> 
> v3:
>  Added in v3 of patch series.
> 
> v4:
>  Formatting fixes.
> 
> Signed-off-by: Kevin Rogovin <kevin.rogovin at intel.com>
> ---
>  src/mesa/main/mtypes.h | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
> index 08316dc..4edba00 100644
> --- a/src/mesa/main/mtypes.h
> +++ b/src/mesa/main/mtypes.h
> @@ -4462,7 +4462,12 @@ enum _debug
>     DEBUG_INCOMPLETE_FBO         = (1 << 3)
>  };
>  
> -
> +static inline bool
> +_mesa_active_fragment_shader_has_atomic_ops(const struct gl_context *ctx)
> +{
> +   return ctx->Shader._CurrentFragmentProgram != NULL &&
> +      ctx->Shader._CurrentFragmentProgram->NumAtomicBuffers > 0;
> +}
>  
>  #ifdef __cplusplus
>  }
>