[Mesa-dev] [PATCH 1/2] i965/fs: Guess nr_color_regions better in precompile

[Kenneth Graunke]

On 01/25/2014 04:07 PM, Chris Forbes wrote:
> Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
> ---
>  src/mesa/drivers/dri/i965/brw_fs.cpp | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
> index 1e6c3e0..d6ebe50 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
> @@ -3589,7 +3589,9 @@ brw_fs_precompile(struct gl_context *ctx, struct gl_shader_program *prog)
>        key.render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
>     }
>  
> -   key.nr_color_regions = 1;
> +   key.nr_color_regions = _mesa_bitcount_64(fp->Base.OutputsWritten &
> +         ~(BITFIELD64_BIT(FRAG_RESULT_DEPTH) |
> +         BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK)));
>  
>     /* GL_FRAGMENT_SHADER_DERIVATIVE_HINT is almost always GL_DONT_CARE.  The
>      * quality of the derivatives is likely to be determined by the driconf
> 

Both are:
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: OpenPGP digital signature
URL: <http://lists.freedesktop.org/archives/mesa-dev/attachments/20140128/85352436/attachment.pgp>