[Mesa-dev] [PATCH v3 00/44] Computer shader shared variables

Iago Toral itoral at igalia.com
Wed Dec 2 00:15:24 PST 2015


Hi Jordan,

On Tue, 2015-12-01 at 00:19 -0800, Jordan Justen wrote:
> git://people.freedesktop.org/~jljusten/mesa cs-shared-variables-v3
> http://patchwork.freedesktop.org/bundle/jljusten/cs-shared-variables-v3
> 
> I received lots of good suggestions for v2 of the series, and the
> patches needed a rebase. Thanks!
> 
> So far 33 of the 44 patches have a Reviewed-by. The patchwork link
> above shows which patches have been reviewed.

it seems that with the patch I reviewed today the entire series has been
reviewed. If I am not mistaken shared variables was the only missing
piece for Compute Shaders in Mesa / i965, right?

Iago

> For reference, here is the cover letter for v2 of the series:
> http://lists.freedesktop.org/archives/mesa-dev/2015-November/100564.html
> 
> Francisco Jerez (16):
>   i965: Define symbolic constants for some useful L3 cache control
>     registers.
>   i965: Adjust gen check in can_do_pipelined_register_writes
>   i965: Keep track of whether LRI is allowed in the context struct.
>   i965: Define state flag to signal that the URB size has been altered.
>   i965/gen8: Don't add workaround bits to PIPE_CONTROL stalls if DC
>     flush is set.
>   i965: Add slice count to the brw_device_info structure.
>   i965: Import tables enumerating the set of validated L3
>     configurations.
>   i965: Implement programming of the L3 configuration.
>   i965/hsw: Enable L3 atomics.
>   i965: Define and use REG_MASK macro to make masked MMIO writes
>     slightly more readable.
>   i965: Implement selection of the closest L3 configuration based on a
>     vector of weights.
>   i965: Calculate appropriate L3 partition weights for the current
>     pipeline state.
>   i965: Implement L3 state atom.
>   i965: Add debug flag to print out the new L3 state during transitions.
>   i965: Work around L3 state leaks during context switches.
>   i965: Hook up L3 partitioning state atom.
> 
> Iago Toral Quiroga (1):
>   glsl: Don't assert on shared variable matrices with 'inherited' layout
> 
> Jordan Justen (27):
>   glsl ubo/ssbo: Use enum to track current buffer access type
>   glsl ubo/ssbo: Split buffer access to insert_buffer_access
>   glsl ubo/ssbo: Add lower_buffer_access class
>   glsl ubo/ssbo: Move is_dereferenced_thing_row_major into
>     lower_buffer_access
>   glsl ubo/ssbo: Move common code into
>     lower_buffer_access::setup_buffer_access
>   glsl: Remove mem_ctx as member variable in lower_ubo_reference_visitor
>   glsl: Don't lower_variable_index_to_cond_assign for shared variables
>   glsl: Add lowering pass for shared variable references
>   nir: Translate glsl shared var load intrinsic to nir intrinsic
>   nir: Translate glsl shared var store intrinsic to nir intrinsic
>   i965: Disable vector splitting on shared variables
>   i965/fs: Handle nir shared variable load intrinsic
>   i965/fs: Handle nir shared variable store intrinsic
>   i965: Enable shared local memory for CS shared variables
>   i965: Lower shared variable references to intrinsic calls
>   glsl: Allow atomic functions to be used with shared variables
>   glsl: Replace atomic_ssbo and ssbo_atomic with atomic
>   glsl: Check for SSBO variable in SSBO atomic lowering
>   glsl: Check for SSBO variable in check_for_ssbo_store
>   glsl: Translate atomic intrinsic functions on shared variables
>   glsl: Buffer atomics are supported for compute shaders
>   glsl: Disable several optimizations on shared variables
>   nir: Add nir intrinsics for shared variable atomic operations
>   i965/nir: Implement shared variable atomic operations
>   i965: Enable ARB_compute_shader extension on supported hardware
>   docs: Mark ARB_compute_shader as done for i965
>   docs: Add ARB_compute_shader to 11.2.0 release notes
> 
>  docs/GL3.txt                                       |   4 +-
>  docs/relnotes/11.2.0.html                          |   1 +
>  src/glsl/Makefile.sources                          |   3 +
>  src/glsl/ast_function.cpp                          |  18 +-
>  src/glsl/builtin_functions.cpp                     | 236 ++++----
>  src/glsl/ir_optimization.h                         |   1 +
>  src/glsl/linker.cpp                                |   4 +
>  src/glsl/lower_buffer_access.cpp                   | 490 +++++++++++++++++
>  src/glsl/lower_buffer_access.h                     |  65 +++
>  src/glsl/lower_shared_reference.cpp                | 495 +++++++++++++++++
>  src/glsl/lower_ubo_reference.cpp                   | 601 ++++-----------------
>  src/glsl/lower_variable_index_to_cond_assign.cpp   |   3 +
>  src/glsl/nir/glsl_to_nir.cpp                       | 145 ++++-
>  src/glsl/nir/nir_intrinsics.h                      |  31 +-
>  src/glsl/opt_constant_propagation.cpp              |   3 +-
>  src/glsl/opt_constant_variable.cpp                 |   3 +-
>  src/glsl/opt_copy_propagation.cpp                  |   3 +-
>  src/mesa/drivers/dri/i965/Makefile.sources         |   1 +
>  src/mesa/drivers/dri/i965/brw_compiler.h           |   1 +
>  src/mesa/drivers/dri/i965/brw_context.c            |  11 +-
>  src/mesa/drivers/dri/i965/brw_context.h            |  17 +-
>  src/mesa/drivers/dri/i965/brw_cs.c                 |  13 +
>  src/mesa/drivers/dri/i965/brw_defines.h            |   8 +
>  src/mesa/drivers/dri/i965/brw_device_info.c        |  20 +
>  src/mesa/drivers/dri/i965/brw_device_info.h        |   5 +
>  src/mesa/drivers/dri/i965/brw_fs.h                 |   2 +
>  src/mesa/drivers/dri/i965/brw_fs_nir.cpp           | 138 +++++
>  .../drivers/dri/i965/brw_fs_vector_splitting.cpp   |   1 +
>  src/mesa/drivers/dri/i965/brw_pipe_control.c       |   4 +-
>  src/mesa/drivers/dri/i965/brw_shader.cpp           |   3 +
>  src/mesa/drivers/dri/i965/brw_state.h              |   5 +
>  src/mesa/drivers/dri/i965/brw_state_upload.c       |   7 +-
>  src/mesa/drivers/dri/i965/gen7_cs_state.c          |  12 +
>  src/mesa/drivers/dri/i965/gen7_l3_state.c          | 566 +++++++++++++++++++
>  src/mesa/drivers/dri/i965/gen7_urb.c               |   3 +
>  src/mesa/drivers/dri/i965/intel_batchbuffer.c      |   7 +
>  src/mesa/drivers/dri/i965/intel_batchbuffer.h      |   6 +-
>  src/mesa/drivers/dri/i965/intel_debug.c            |   1 +
>  src/mesa/drivers/dri/i965/intel_debug.h            |   1 +
>  src/mesa/drivers/dri/i965/intel_extensions.c       |  13 +-
>  src/mesa/drivers/dri/i965/intel_reg.h              |  55 +-
>  src/mesa/main/mtypes.h                             |   7 +
>  42 files changed, 2374 insertions(+), 639 deletions(-)
>  create mode 100644 src/glsl/lower_buffer_access.cpp
>  create mode 100644 src/glsl/lower_buffer_access.h
>  create mode 100644 src/glsl/lower_shared_reference.cpp
>  create mode 100644 src/mesa/drivers/dri/i965/gen7_l3_state.c
> 




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