[Mesa-dev] [PATCH 2/2] intel: Use the GLSL-based meta clear when available.

[Ian Romanick]

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On 07/18/2011 09:33 AM, Eric Anholt wrote:
> Improves glxgears performance 19.6% +/- 7.3% (second fps printout.
> n=5).

glxgearsisnotabenchmark.  Is there *any* other number that could be
quoted here?  This *will* bite you later. :)

> ---
>  src/mesa/drivers/dri/intel/intel_clear.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)
> 
> diff --git a/src/mesa/drivers/dri/intel/intel_clear.c b/src/mesa/drivers/dri/intel/intel_clear.c
> index dfca03c..35a9948 100644
> --- a/src/mesa/drivers/dri/intel/intel_clear.c
> +++ b/src/mesa/drivers/dri/intel/intel_clear.c
> @@ -182,7 +182,10 @@ intelClear(struct gl_context *ctx, GLbitfield mask)
>  
>     if (tri_mask) {
>        debug_mask("tri", tri_mask);
> -      _mesa_meta_Clear(&intel->ctx, tri_mask);
> +      if (ctx->Extensions.ARB_fragment_shader)
> +	 _mesa_meta_glsl_Clear(&intel->ctx, tri_mask);
> +      else
> +	 _mesa_meta_Clear(&intel->ctx, tri_mask);
>     }
>  }
>  

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