[Mesa-dev] [PATCH 13/25] radv/ac: add support for patch inputs to unique index code.

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

This add support for tessellation patch inputs to the code
that finds the unique parameter index.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/amd/common/ac_nir_to_llvm.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index dbbf91c..f8350d8 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -179,6 +179,14 @@ static unsigned radeon_llvm_reg_index_soa(unsigned index, unsigned chan)
 
 static unsigned shader_io_get_unique_index(gl_varying_slot slot)
 {
+	/* handle patch indices separate */
+	if (slot == VARYING_SLOT_TESS_LEVEL_OUTER)
+		return 0;
+	if (slot == VARYING_SLOT_TESS_LEVEL_INNER)
+		return 1;
+	if (slot >= VARYING_SLOT_PATCH0 && slot <= VARYING_SLOT_TESS_MAX)
+		return 2 + (slot - VARYING_SLOT_PATCH0);
+
 	if (slot == VARYING_SLOT_POS)
 		return 0;
 	if (slot == VARYING_SLOT_PSIZ)
-- 
2.9.3