[Mesa-dev] [PATCH V3 07/30] i965: Render R8G8B8X8 as R8G8B8A8

[Kenneth Graunke]

On 04/02/2014 01:05 AM, Chris Forbes wrote:
> The sampler can handle R8G8B8X8 (and substitute 1.0 for the fourth
> component) but we can't use it as a render target.
> 
> Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
> ---
>  src/mesa/drivers/dri/i965/brw_surface_formats.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_surface_formats.c b/src/mesa/drivers/dri/i965/brw_surface_formats.c
> index f203f52..3f82f80 100644
> --- a/src/mesa/drivers/dri/i965/brw_surface_formats.c
> +++ b/src/mesa/drivers/dri/i965/brw_surface_formats.c
> @@ -583,6 +583,9 @@ brw_init_surface_formats(struct brw_context *brw)
>  	  */
>  	 render = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
>  	 break;
> +      case BRW_SURFACEFORMAT_R8G8B8X8_UNORM:
> +         render = BRW_SURFACEFORMAT_R8G8B8A8_UNORM;
> +         break;
>        }
>  
>        rinfo = &surface_formats[render];
> 

My x_to_a patches handle this a bit more generally, but they need some
reworking, so I'll rebase on this when I get around to respinning them.

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