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authorNicolai Hähnle <nicolai.haehnle@amd.com>2017-06-25 17:56:37 +0200
committerNicolai Hähnle <nicolai.haehnle@amd.com>2017-07-31 14:55:42 +0200
commita69afb68c9a54b475dd2f2588c6c54676b43f9dd (patch)
tree6f7fa5d880f642df2e69a240e5d65a9b94350a2e
parent0f9e32519bb8d00dae0b9ce998d0183d1a46a121 (diff)
radeonsi: use new function ac_build_umin for edgeflag clamping
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
-rw-r--r--src/amd/common/ac_llvm_build.c7
-rw-r--r--src/amd/common/ac_llvm_build.h1
-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c2
3 files changed, 9 insertions, 1 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 2dddf44ff8..9b939c148e 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -908,6 +908,13 @@ ac_build_umsb(struct ac_llvm_context *ctx,
LLVMConstInt(ctx->i32, -1, true), msb, "");
}
+LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a,
+ LLVMValueRef b)
+{
+ LLVMValueRef cmp = LLVMBuildICmp(ctx->builder, LLVMIntULE, a, b, "");
+ return LLVMBuildSelect(ctx->builder, cmp, a, b, "");
+}
+
LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value)
{
if (HAVE_LLVM >= 0x0500) {
diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h
index f25af8b76a..09fd585706 100644
--- a/src/amd/common/ac_llvm_build.h
+++ b/src/amd/common/ac_llvm_build.h
@@ -197,6 +197,7 @@ LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx,
LLVMValueRef arg,
LLVMTypeRef dst_type);
+LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
struct ac_export_args {
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 2827b9d06a..473dd95a14 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -2502,7 +2502,7 @@ static void si_llvm_export_vs(struct lp_build_tgsi_context *bld_base,
edgeflag_value = LLVMBuildFPToUI(ctx->gallivm.builder,
edgeflag_value,
ctx->i32, "");
- edgeflag_value = lp_build_min(&bld_base->int_bld,
+ edgeflag_value = ac_build_umin(&ctx->ac,
edgeflag_value,
ctx->i32_1);