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

[Marek Olšák]

On Thu, Sep 7, 2017 at 7:33 AM, Axel Davy <axel.davy at normalesup.org> wrote:
> 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.

You answered your question.

Marek