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-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index e579916359e..86f3f7a8ba2 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -1934,6 +1934,27 @@ static LLVMValueRef load_tess_level(struct si_shader_context *ctx,
}
+static LLVMValueRef si_load_tess_level(struct ac_shader_abi *abi,
+ unsigned varying_id)
+{
+ struct si_shader_context *ctx = si_shader_context_from_abi(abi);
+ unsigned semantic_name;
+
+ switch (varying_id) {
+ case VARYING_SLOT_TESS_LEVEL_INNER:
+ semantic_name = TGSI_SEMANTIC_TESSINNER;
+ break;
+ case VARYING_SLOT_TESS_LEVEL_OUTER:
+ semantic_name = TGSI_SEMANTIC_TESSOUTER;
+ break;
+ default:
+ unreachable("unknown tess level");
+ }
+
+ return load_tess_level(ctx, semantic_name);
+
+}
+
void si_load_system_value(struct si_shader_context *ctx,
unsigned index,
const struct tgsi_full_declaration *decl)
@@ -5971,6 +5992,7 @@ static bool si_compile_tgsi_main(struct si_shader_context *ctx,
bld_base->emit_fetch_funcs[TGSI_FILE_INPUT] = fetch_input_tes;
ctx->abi.load_tess_inputs = si_nir_load_input_tes;
ctx->abi.load_tess_coord = si_load_tess_coord;
+ ctx->abi.load_tess_level = si_load_tess_level;
if (shader->key.as_es)
ctx->abi.emit_outputs = si_llvm_emit_es_epilogue;
else