From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Wed, 13 Mar 2019 14:55:42 +0000 (+0100)
Subject: ac: add ac_build_tbuffer_load_byte() helper
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=104dbc64a5f7985d1b0d47db969ed3bb7b9e7b8d;p=mesa.git

ac: add ac_build_tbuffer_load_byte() helper

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
---

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 195fdcb224d..58e4ffaa2ed 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -1606,6 +1606,24 @@ ac_build_tbuffer_load_short(struct ac_llvm_context *ctx,
 	return LLVMBuildTrunc(ctx->builder, res, ctx->i16, "");
 }
 
+LLVMValueRef
+ac_build_tbuffer_load_byte(struct ac_llvm_context *ctx,
+			   LLVMValueRef rsrc,
+			   LLVMValueRef voffset,
+			   LLVMValueRef soffset,
+			   LLVMValueRef immoffset,
+			   bool glc)
+{
+	unsigned dfmt = V_008F0C_BUF_DATA_FORMAT_8;
+	unsigned nfmt = V_008F0C_BUF_NUM_FORMAT_UINT;
+	LLVMValueRef res;
+
+	res = ac_build_raw_tbuffer_load(ctx, rsrc, voffset, soffset,
+					immoffset, 1, dfmt, nfmt, glc, false,
+					false);
+
+	return LLVMBuildTrunc(ctx->builder, res, ctx->i8, "");
+}
 static void
 ac_build_llvm8_tbuffer_store(struct ac_llvm_context *ctx,
 			     LLVMValueRef rsrc,
diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h
index f6bf473f6a1..0162986e454 100644
--- a/src/amd/common/ac_llvm_build.h
+++ b/src/amd/common/ac_llvm_build.h
@@ -318,6 +318,14 @@ ac_build_tbuffer_load_short(struct ac_llvm_context *ctx,
 			    LLVMValueRef immoffset,
 			    bool glc);
 
+LLVMValueRef
+ac_build_tbuffer_load_byte(struct ac_llvm_context *ctx,
+			   LLVMValueRef rsrc,
+			   LLVMValueRef voffset,
+			   LLVMValueRef soffset,
+			   LLVMValueRef immoffset,
+			   bool glc);
+
 LLVMValueRef
 ac_build_struct_tbuffer_load(struct ac_llvm_context *ctx,
 			     LLVMValueRef rsrc,