[Mesa-dev] [PATCH v3 00/13] anv: Implement VK_KHX_multiview

[Jason Ekstrand]

Iago,

I'm still missing reviews on one or two of the patches here.  Mind giving 
them a quick look?

--Jason


On April 27, 2017 9:31:55 AM Jason Ekstrand <jason at jlekstrand.net> wrote:

> This is mostly a re-send of my earlier patches but there are a few changes.
> I think, at this point, that I'm ready to merge it assuming Iago is ok with
> the changes.  The important chages are:
>
>  1. The lowering pass has been altered to take a view mask instead of a
>     subpass.  The rest of the anv_pipeline code has also been modified to
>     properly incorporate the view mask into the shader key.
>
>  2. There have been two fixes to the code which multiplies the number of
>     invocations by the number of views.  First was that I accidentally used
>     AND instead of ADD.  Second was an off-by-one error when adding ALU
>     operations to an MI_MATH instruction that made us stomp the MI_MATH
>     instruction itself instead of starting on dword 1.
>
>  3. I've added a trivial implementation of multiDrawIndirect.  This isn't
>     really required but some of the tests erroneously required it by
>     mistake.  I'm not 100% sure that I like having a software
>     implementation of multiDrawIndirect but it's no worse (and probably
>     slightly better) than an application fall-back would be.
>
> Jason Ekstrand (14):
>   compiler: Add a system value and varying for ViewIndex
>   spirv: Bump the SPIR-V header to the latest public version
>   spirv: Add support for SPV_KHR_multiview
>   anv/nir: Delete the apply_dynamic_offsets prototype
>   anv: Add the KHX_multiview boilerplate
>   anv/pass: Store the per-subpass view mask
>   anv: Move shader hashing to anv_pipeline
>   anv/pipeline: Call nir_gather_info later
>   anv/pipeline: Add a subpass field to anv_pipeline
>   anv/pipeline: Add shader lowering for multiview
>   anv/cmd_buffer: Pull indirect draw parameter loading into a helper
>   anv/cmd_buffer: Emit instanced draws for multiple views
>   anv: Enable VK_KHX_multiview and SPV_KHR_multiview
>   anv: Trivially implement multiDrawIndirect
>
>  src/compiler/nir/nir.c                     |   4 +
>  src/compiler/nir/nir_intrinsics.h          |   1 +
>  src/compiler/shader_enums.c                |   2 +
>  src/compiler/shader_enums.h                |   4 +
>  src/compiler/spirv/nir_spirv.h             |   1 +
>  src/compiler/spirv/spirv.h                 |  34 ++++-
>  src/compiler/spirv/spirv_to_nir.c          |   4 +
>  src/compiler/spirv/vtn_variables.c         |   4 +
>  src/intel/Makefile.sources                 |   1 +
>  src/intel/vulkan/anv_device.c              |  23 ++-
>  src/intel/vulkan/anv_entrypoints_gen.py    |   1 +
>  src/intel/vulkan/anv_nir.h                 |   5 +-
>  src/intel/vulkan/anv_nir_lower_multiview.c | 234 +++++++++++++++++++++++++++++
>  src/intel/vulkan/anv_pass.c                |  19 +++
>  src/intel/vulkan/anv_pipeline.c            |  83 +++++++---
>  src/intel/vulkan/anv_pipeline_cache.c      |  27 ----
>  src/intel/vulkan/anv_private.h             |  15 +-
>  src/intel/vulkan/genX_cmd_buffer.c         | 209 ++++++++++++++++++++++----
>  src/intel/vulkan/genX_pipeline.c           |   9 +-
>  src/mesa/program/prog_print.c              |   2 +
>  20 files changed, 588 insertions(+), 94 deletions(-)
>  create mode 100644 src/intel/vulkan/anv_nir_lower_multiview.c
>
> --
> 2.5.0.400.gff86faf
>