Re: [Mesa-dev] [PATCH 11/12] genX/cmd_buffer: Enable fast depth clears

2016-09-19 Thread Nanley Chery
On Fri, Sep 02, 2016 at 05:12:58PM -0700, Jason Ekstrand wrote: > On Wed, Aug 31, 2016 at 8:29 PM, Nanley Chery wrote: > > > Provides an FPS increase of ~30% on the Sascha triangle and multisampling > > demos. > > > > Clears that happen within a render pass via

Re: [Mesa-dev] [PATCH 11/12] genX/cmd_buffer: Enable fast depth clears

2016-09-02 Thread Jason Ekstrand
On Wed, Aug 31, 2016 at 8:29 PM, Nanley Chery wrote: > Provides an FPS increase of ~30% on the Sascha triangle and multisampling > demos. > > Clears that happen within a render pass via vkCmdClearAttachments are safe > even if the clear color changes. This is because the

[Mesa-dev] [PATCH 11/12] genX/cmd_buffer: Enable fast depth clears

2016-08-31 Thread Nanley Chery
Provides an FPS increase of ~30% on the Sascha triangle and multisampling demos. Clears that happen within a render pass via vkCmdClearAttachments are safe even if the clear color changes. This is because the meta implementation does not use LOAD_OP_CLEAR which avoids any conflicts with