[Mesa-dev] [PATCH 1/2] radeonsi: enable out-of-order rasterization when possible on VI and GFX9 dGPUs

[Axel Davy]

Hi,

On 07/09/2017 00:35, Marek Olšák wrote:
> +	/* Out-of-order rasterization can be enabled for these cases:
> +	 *
> +	 * - color-only rendering:
> +	 *   + blending must be enabled and commutative
> +	 *   + only when inexact behavior due to rounding is allowed
> +	 *
> +	 * - depth-only rendering:
> +	 *   + depth must force ordering


Why depth must force ordering in depth only rendering ? If the depth 
func is PIPE_FUNC_LESS, PIPE_FUNC_GREATER or similar, you get min or max 
behaviour, thus the order shouldn't matter.


Yours,


Axel Davy