radeonsi: use a trick to extract and pack edgeflags using fewer instructions

This removes 4 instructions from the prim export packing. Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12343>
2021-08-31 21:45:21 -04:00
parent 2d8dfb9111
commit b330c7cb2a
4 changed files with 15 additions and 29 deletions
--- a/src/amd/llvm/ac_llvm_build.h
+++ b/src/amd/llvm/ac_llvm_build.h
@@ -581,7 +581,7 @@ struct ac_ngg_prim {
   unsigned num_vertices;
   LLVMValueRef isnull;
   LLVMValueRef index[3];
-   LLVMValueRef edgeflag[3];
+   LLVMValueRef edgeflags;
   LLVMValueRef passthrough;
 };