[Mesa-dev] [PATCH] mesa: Respect GL_RASTERIZER_DISCARD for various meta-type operations.

[Brian Paul]

On 09/30/2011 12:41 AM, Eric Anholt wrote:
>  From the EXT_transform_feedback spec:
>
>      Primitives can be optionally discarded before rasterization by calling
>      Enable and Disable with RASTERIZER_DISCARD_EXT. When enabled, primitives
>      are discared right before the rasterization stage, but after the optional
>      transform feedback stage. When disabled, primitives are passed through to
>      the rasterization stage to be processed normally. RASTERIZER_DISCARD_EXT
>      applies to the DrawPixels, CopyPixels, Bitmap, Clear and Accum commands as
>      well.
>
> And the GL 3.2 spec says it applies to ClearBuffer* as well.


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