From: Connor Abbott <cwabbo...@gmail.com>
Radeonsi doesn't either. As of the last commit, these should be handled
properly as long as LLVM has scratch support. We also should use
nir_lower_io_to_temporaries() for inputs instead of generating an
if-ladder, since that should be more efficient.
---
src/amd/vulkan/radv_pipeline.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 237e146..0991304 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -272,11 +272,17 @@ radv_shader_compile_to_nir(struct radv_device *device,
nir_shader_gather_info(nir, entry_point->impl);
- nir_variable_mode indirect_mask = 0;
- indirect_mask |= nir_var_shader_in;
- indirect_mask |= nir_var_local;
+ if (device->llvm_supports_spill) {
+ nir_lower_io_to_temporaries(nir, entry_point->impl,
+ false /* outputs */,
+ true /* inputs */);
+ } else {
+ nir_variable_mode indirect_mask = 0;
+ indirect_mask |= nir_var_shader_in;
+ indirect_mask |= nir_var_local;
+ nir_lower_indirect_derefs(nir, indirect_mask);
+ }
- nir_lower_indirect_derefs(nir, indirect_mask);
static const nir_lower_tex_options tex_options = {
.lower_txp = ~0,
--
2.9.4
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