[Mesa-dev] [PATCH 00/11] i965: Use BLORP for depth/stencil clears

[Jason Ekstrand]

On Tue, Jun 6, 2017 at 9:59 PM, Jason Ekstrand <jason at jlekstrand.net> wrote:

> This little series switches the GL driver to use BLORP for depth and
> stencil clears.  BLORP has had depth/stencil clear support ever since we
> started using it in the Vulkan driver but we didn't hook it up in GL
> because of a few very hard-to-debug CTS fails.  Patches 10 takes care of
> those and we now pass except for some weird behavior around occlusion
> queries on Sandy Bridge.  I'll look into those later.  For now, I think the
> series is worth reviewing.
>

The sandy bridge issue has now been sorted:

https://patchwork.freedesktop.org/patch/160590/


> Jason Ekstrand (11):
>   i965/blorp: Set aux_usage to NONE for miplevels without HiZ
>   mesa: Add a BUFFER_BITS mask for depth+stencil
>   i965/miptree: Choose the stencil layout in miptree_create_layout
>   intel/isl: Properly set SeparateStencilBufferEnable on gen5-6
>   i965: Remove some of the remnants of meta
>   i965: Remove some unneeded fields from brw_context
>   i965/blorp: Set no_depth_or_stencil correctly
>   i965/blorp: Do a depth flush/stall prior to HiZ operations
>   i965: Disable the interleaved vertex optimization when instancing
>   i965: Set step_rate == 0 for interleaved vertex buffers
>   i965: Use blorp for depth/stencil clears on gen6+
>
>  src/intel/isl/isl_emit_depth_stencil.c        |  13 ++-
>  src/mesa/drivers/dri/i965/brw_blorp.c         | 129
> ++++++++++++++++++++++++++
>  src/mesa/drivers/dri/i965/brw_blorp.h         |   4 +
>  src/mesa/drivers/dri/i965/brw_clear.c         |   6 ++
>  src/mesa/drivers/dri/i965/brw_context.h       |  13 ---
>  src/mesa/drivers/dri/i965/brw_draw_upload.c   |  12 ++-
>  src/mesa/drivers/dri/i965/brw_wm.c            |   2 +-
>  src/mesa/drivers/dri/i965/genX_blorp_exec.c   |   3 +-
>  src/mesa/drivers/dri/i965/genX_state_upload.c |   2 +-
>  src/mesa/drivers/dri/i965/intel_mipmap_tree.c |   6 +-
>  src/mesa/main/mtypes.h                        |   3 +
>  11 files changed, 167 insertions(+), 26 deletions(-)
>
> --
> 2.5.0.400.gff86faf
>
>
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