[Mesa-dev] [PATCH 01/13] gallium: add PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS

[Christoph Bumiller]

On 05.09.2011 23:44, Marek Olšák wrote:
> ---
>  src/gallium/include/pipe/p_defines.h   |    1 +
>  src/mesa/state_tracker/st_extensions.c |    3 +++
>  2 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
> index 19c0cab..9a9ce2e 100644
> --- a/src/gallium/include/pipe/p_defines.h
> +++ b/src/gallium/include/pipe/p_defines.h
> @@ -474,6 +474,7 @@ enum pipe_cap {
>     PIPE_CAP_SCALED_RESOLVE = 49,
>     PIPE_CAP_MIN_TEXEL_OFFSET = 50,
>     PIPE_CAP_MAX_TEXEL_OFFSET = 51,
> +   PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS = 52
>  };
>  
Can we remove the old PIPE_CAP_ARRAY_TEXTURES then in favour of
returning 0 as maximum number of layers ?

>  /* Shader caps not specific to any single stage */
> diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
> index aa7f3b5..122ffab 100644
> --- a/src/mesa/state_tracker/st_extensions.c
> +++ b/src/mesa/state_tracker/st_extensions.c
> @@ -85,6 +85,9 @@ void st_init_limits(struct st_context *st)
>     c->MaxTextureRectSize
>        = _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE);
>  
> +   c->MaxArrayTextureLayers
> +      = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS);
> +
>     c->MaxTextureImageUnits
>        = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS),
>              MAX_TEXTURE_IMAGE_UNITS);