diff options
| author | Rhys Perry <pendingchaos02@gmail.com> | 2020-12-03 17:38:18 +0000 |
|---|---|---|
| committer | Marge Bot <eric+marge@anholt.net> | 2021-01-07 15:01:02 +0000 |
| commit | c73c246e05f87366df3733d66c16fa3e1cf597a8 (patch) | |
| tree | f4f43c24e1d4eeafd6fedc562b7f671e7e22c5cd | |
| parent | 5bb94ab050247208af2afae26315bc7ecf9168c5 (diff) | |
nir: gather whether a compute shader uses non-quad subgroup intrinsics
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7918>
| -rw-r--r-- | src/compiler/nir/nir_gather_info.c | 2 | ||||
| -rw-r--r-- | src/compiler/shader_info.h | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_gather_info.c b/src/compiler/nir/nir_gather_info.c index 3d55698cde1..b9fd6b6b13b 100644 --- a/src/compiler/nir/nir_gather_info.c +++ b/src/compiler/nir/nir_gather_info.c @@ -568,6 +568,8 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader, case nir_intrinsic_write_invocation_amd: if (shader->info.stage == MESA_SHADER_FRAGMENT) shader->info.fs.needs_all_helper_invocations = true; + if (shader->info.stage == MESA_SHADER_COMPUTE) + shader->info.cs.uses_wide_subgroup_intrinsics = true; break; case nir_intrinsic_end_primitive: diff --git a/src/compiler/shader_info.h b/src/compiler/shader_info.h index fb9349100f9..f890b6c028f 100644 --- a/src/compiler/shader_info.h +++ b/src/compiler/shader_info.h @@ -378,6 +378,11 @@ typedef struct shader_info { * AddressingModelPhysical64: 64 */ unsigned ptr_size; + + /** + * Uses subgroup intrinsics which can communicate across a quad. + */ + bool uses_wide_subgroup_intrinsics; } cs; /* Applies to both TCS and TES. */ |