diff options
| author | Timur Kristóf <[email protected]> | 2020-03-11 15:05:47 +0100 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-03-12 13:16:07 +0000 |
| commit | 967eb2326155eaa7f2f3d3b8c459a2cb82eca1dc (patch) | |
| tree | 03f32107a9b71febff6405c0222b78bc697f026a /src/amd/vulkan/radv_shader.c | |
| parent | ec16535b493b54c8c039576c0303f324242ae3fb (diff) | |
radv: Enable lowering dynamic quad broadcasts.
This will lower dynamic quad broadcasts into something that both
LLVM and ACO can understand. On hardware which supports shuffles,
they are lowered to shuffle, on older hardware (GFX6-7) they will
get lowered to constant quad broadcasts.
Fixes dEQP-VK.subgroups.quad.*.subgroupquadbroadcast_nonconst_*
Cc: [email protected]
Signed-off-by: Timur Kristóf <[email protected]>
Reviewed-by: Samuel Pitoiset <[email protected]>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4147>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4147>
Diffstat (limited to 'src/amd/vulkan/radv_shader.c')
| -rw-r--r-- | src/amd/vulkan/radv_shader.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c index 37b8ee45e34..049611371f6 100644 --- a/src/amd/vulkan/radv_shader.c +++ b/src/amd/vulkan/radv_shader.c @@ -480,6 +480,7 @@ radv_shader_compile_to_nir(struct radv_device *device, nir_lower_global_vars_to_local(nir); nir_remove_dead_variables(nir, nir_var_function_temp); + bool gfx7minus = device->physical_device->rad_info.chip_class <= GFX7; nir_lower_subgroups(nir, &(struct nir_lower_subgroups_options) { .subgroup_size = 64, .ballot_bit_size = 64, @@ -488,6 +489,8 @@ radv_shader_compile_to_nir(struct radv_device *device, .lower_shuffle = 1, .lower_shuffle_to_32bit = 1, .lower_vote_eq_to_ballot = 1, + .lower_quad_broadcast_dynamic = 1, + .lower_quad_broadcast_dynamic_to_const = gfx7minus, }); nir_lower_load_const_to_scalar(nir); |