[Mesa-dev] [PATCH 1/2] util: add util_resource_is_array_texture()

[Brian Paul]

On 06/07/2013 12:44 AM, Chia-I Wu wrote:
> Checking if array_size is greater than 1 is not enough for single-layered
> array textures.
>
> Signed-off-by: Chia-I Wu <olvaffe at gmail.com>
> ---
>   src/gallium/auxiliary/util/u_resource.h |   20 +++++++++++++++++++-
>   1 file changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/src/gallium/auxiliary/util/u_resource.h b/src/gallium/auxiliary/util/u_resource.h
> index 977e013..a5e091f 100644
> --- a/src/gallium/auxiliary/util/u_resource.h
> +++ b/src/gallium/auxiliary/util/u_resource.h
> @@ -26,9 +26,27 @@
>   #ifndef U_RESOURCE_H
>   #define U_RESOURCE_H
>
> -struct pipe_resource;
> +#include "pipe/p_state.h"
>
>   unsigned
>   util_resource_size(const struct pipe_resource *res);
>
> +/**
> + * Return true if the resource is an array texture.
> + *
> + * Note that this function returns true for single-layered array textures.
> + */
> +static INLINE boolean
> +util_resource_is_array_texture(const struct pipe_resource *res)
> +{
> +   switch (res->target) {
> +   case PIPE_TEXTURE_1D_ARRAY:
> +   case PIPE_TEXTURE_2D_ARRAY:
> +   case PIPE_TEXTURE_CUBE_ARRAY:
> +      return TRUE;
> +   default:
> +      return FALSE;
> +   }
> +}
> +
>   #endif
>

Reviewed-by: Brian Paul <brianp at vmware.com>