[Mesa-dev] [PATCH 07/25] glsl: add helper for calculating size of AoA

[Ian Romanick]

This patch is

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

On 08/19/2015 09:37 PM, Timothy Arceri wrote:
> V2: return 0 if not array rather than -1
> 
> Reviewed-by: Tapani Pälli <tapani.palli at intel.com>
> ---
>  src/glsl/glsl_types.h | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/src/glsl/glsl_types.h b/src/glsl/glsl_types.h
> index e7c73da..469ee3e 100644
> --- a/src/glsl/glsl_types.h
> +++ b/src/glsl/glsl_types.h
> @@ -550,6 +550,25 @@ struct glsl_type {
>     }
>  
>     /**
> +    * Return the total number of elements in an array including the elements
> +    * in arrays of arrays.
> +    */
> +   unsigned arrays_of_arrays_size() const
> +   {
> +      if (!is_array())
> +         return 0;
> +
> +      unsigned size = length;
> +      const glsl_type *base_type = fields.array;
> +
> +      while (base_type->is_array()) {
> +         size = size * base_type->length;
> +         base_type = base_type->fields.array;
> +      }
> +      return size;
> +   }
> +
> +   /**
>      * Return the amount of atomic counter storage required for a type.
>      */
>     unsigned atomic_size() const
>