[Mesa-dev] [PATCH 2/2] i965/gen10: Don't set Antialiasing Enable in 3DSTATE_RASTER if num_samples > 1

[Anuj Phogat]

On Fri, Oct 27, 2017 at 10:50 AM, Anuj Phogat <anuj.phogat at gmail.com> wrote:
> Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
> ---
>  src/mesa/drivers/dri/i965/genX_state_upload.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c b/src/mesa/drivers/dri/i965/genX_state_upload.c
> index b6e800aa90..2fb6420cee 100644
> --- a/src/mesa/drivers/dri/i965/genX_state_upload.c
> +++ b/src/mesa/drivers/dri/i965/genX_state_upload.c
> @@ -4362,6 +4362,16 @@ genX(upload_raster)(struct brw_context *brw)
>        /* _NEW_LINE */
>        raster.AntialiasingEnable = ctx->Line.SmoothFlag;
>
> +#if GEN_GEN == 10
> +      /* _NEW_LINE | _NEW_MULTISAMPLE
_NEW_LINE is not required here. Fixed locally.
> +       * Antialiasing Enable bit MUST not be set when NUM_MULTISAMPLES > 1.
> +       */
> +      const bool multisampled_fbo =
> +      _mesa_geometric_samples(ctx->DrawBuffer) > 1;
> +      if (multisampled_fbo)
> +         raster.AntialiasingEnable = false;
> +#endif
> +
>        /* _NEW_SCISSOR */
>        raster.ScissorRectangleEnable = ctx->Scissor.EnableFlags;
>
> --
> 2.13.5
>