[Mesa-dev] [PATCH 0/5] anv: Implement the depth PMA fix on Broadwell

[Lionel Landwerlin]

Not sure what happened to patches 1,2 & 4...
If you have a branch somewhere, I'll give the remaining Rbs here.

Thanks

On 02/02/17 01:43, Jason Ekstrand wrote:
> This little series does a few little cleanups as well as implements the PMA
> fix on Broadwell.  The cleanups are focussed around letting us not set
> 3DSTATE_WM_DEPTH_STENCIL::Depth/StencilBufferWriteEnable unless we
> absolutely need to.  It turns out that Intel hardware makes early/late
> depth test decisions based on these bits and enabling depth or stencil
> writes when not needed can cause performance problems.
>
> I also have patches for the Sky Lake stencil PMA fix but I'm seeing hangs
> in Dota 2 so I won't send those out until we figure out why.
>
> Jason Ekstrand (5):
>    anv: Disable stencil writes when both write masks are zero
>    genxml: Add the CACHE_MODE_1 register on gen8
>    anv: Add support for the PMA fix on Broadwell
>    anv/pipeline: Make a copy of VkPipelineDepthStencilStateCreateinfo
>    anv/pipeline: Be smarter about depth/stencil state
>
>   src/intel/genxml/gen8.xml          |  21 ++++
>   src/intel/vulkan/TODO              |   1 -
>   src/intel/vulkan/anv_cmd_buffer.c  |   1 +
>   src/intel/vulkan/anv_genX.h        |   3 +
>   src/intel/vulkan/anv_private.h     |  11 +++
>   src/intel/vulkan/gen7_cmd_buffer.c |  11 +++
>   src/intel/vulkan/gen8_cmd_buffer.c | 147 ++++++++++++++++++++++++++++
>   src/intel/vulkan/genX_blorp_exec.c |   5 +
>   src/intel/vulkan/genX_cmd_buffer.c |  10 ++
>   src/intel/vulkan/genX_pipeline.c   | 192 ++++++++++++++++++++++++++++---------
>   10 files changed, 357 insertions(+), 45 deletions(-)
>