[Mesa-dev] [PATCH 09/10] radv: call nir_opt_intrinsics()
Connor Abbott
connora at valvesoftware.com
Tue Aug 1 02:24:16 UTC 2017
From: Connor Abbott <cwabbott0 at gmail.com>
For us, this will only lower subgroup mask instructions. It could do
other things in the future though.
---
src/amd/vulkan/radv_pipeline.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index c4407ec..2fc64e8 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -65,6 +65,8 @@ static const struct nir_shader_compiler_options nir_options = {
.lower_unpack_unorm_4x8 = true,
.lower_extract_byte = true,
.lower_extract_word = true,
+ .lower_subgroup_masks = true,
+ .max_subgroup_size = 64,
.max_unroll_iterations = 32
};
@@ -154,6 +156,7 @@ radv_optimize_nir(struct nir_shader *shader)
NIR_PASS_V(shader, nir_lower_64bit_pack);
NIR_PASS_V(shader, nir_lower_alu_to_scalar);
NIR_PASS_V(shader, nir_lower_phis_to_scalar);
+ NIR_PASS_V(shader, nir_opt_intrinsics);
NIR_PASS(progress, shader, nir_copy_prop);
NIR_PASS(progress, shader, nir_opt_remove_phis);
--
2.9.4
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