[Mesa-dev] [RFC PATCH 10/26] mesa: add new max sample count state

[Brian Paul]

On 12/29/2012 05:35 AM, Chris Forbes wrote:
> - GL_MAX_COLOR_TEXTURE_SAMPLES
> - GL_MAX_DEPTH_TEXTURE_SAMPLES
> - GL_MAX_INTEGER_SAMPLES
>
> Signed-off-by: Chris Forbes<chrisf at ijw.co.nz>
> ---
>   src/mesa/main/get_hash_params.py | 5 ++++-
>   src/mesa/main/mtypes.h           | 5 +++++
>   2 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
> index 40e25e7..689a7e0 100644
> --- a/src/mesa/main/get_hash_params.py
> +++ b/src/mesa/main/get_hash_params.py
> @@ -638,9 +638,12 @@ descriptor=[
>     [ "TEXTURE_BUFFER_FORMAT_ARB", "LOC_CUSTOM, TYPE_INT, 0, extra_texture_buffer_object" ],
>     [ "TEXTURE_BUFFER_ARB", "LOC_CUSTOM, TYPE_INT, 0, extra_texture_buffer_object" ],
>
> -# GL_ARB_texture_multisample
> +# GL_ARB_texture_multisample / GL 3.2
>     [ "TEXTURE_BINDING_2D_MULTISAMPLE", "LOC_CUSTOM, TYPE_INT, TEXTURE_2D_MULTISAMPLE_INDEX, extra_ARB_texture_multisample" ],
>     [ "TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY", "LOC_CUSTOM, TYPE_INT, TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX, extra_ARB_texture_multisample" ],
> +  [ "MAX_COLOR_TEXTURE_SAMPLES", "CONTEXT_INT(Const.MaxColorTextureSamples), extra_ARB_texture_multisample" ],
> +  [ "MAX_DEPTH_TEXTURE_SAMPLES", "CONTEXT_INT(Const.MaxDepthTextureSamples), extra_ARB_texture_multisample" ],
> +  [ "MAX_INTEGER_SAMPLES", "CONTEXT_INT(Const.MaxIntegerSamples), extra_ARB_texture_multisample" ],
>
>
>   # GL_ARB_sampler_objects / GL 3.3
> diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
> index 4be1074..6f6cdaa 100644
> --- a/src/mesa/main/mtypes.h
> +++ b/src/mesa/main/mtypes.h
> @@ -2970,6 +2970,11 @@ struct gl_constants
>       * Drivers that support transform feedback must set this value to GL_FALSE.
>       */
>      GLboolean DisableVaryingPacking;
> +
> +   /** GL_ARB_texture_multisample */
> +   GLint MaxColorTextureSamples;
> +   GLint MaxDepthTextureSamples;
> +   GLint MaxIntegerSamples;
>   };
>
>

You should probably also have some code to initialize these new fields 
to sensible defaults in _mesa_init_constants().

-Brian