diff --git a/src/r_compiler/fixedfunction/drawtrianglecodegen.cpp b/src/r_compiler/fixedfunction/drawtrianglecodegen.cpp
index 4819a28cff..013969bbbd 100644
--- a/src/r_compiler/fixedfunction/drawtrianglecodegen.cpp
+++ b/src/r_compiler/fixedfunction/drawtrianglecodegen.cpp
@@ -39,18 +39,25 @@ void DrawTriangleCodegen::Generate(TriDrawVariant variant, bool truecolor, SSAVa
 	LoopBlockY(variant, truecolor);
 }
 
+SSAInt DrawTriangleCodegen::FloatTo28_4(SSAFloat v)
+{
+	// SSAInt(SSAFloat::round(16.0f * v), false);
+	SSAInt a = SSAInt(v * 32.0f, false);
+	return (a + (a.ashr(31) | SSAInt(1))).ashr(1);
+}
+
 void DrawTriangleCodegen::Setup(TriDrawVariant variant, bool truecolor)
 {
 	int pixelsize = truecolor ? 4 : 1;
 
 	// 28.4 fixed-point coordinates
-	Y1 = SSAInt(SSAFloat::round(16.0f * v1.y), false);
-	Y2 = SSAInt(SSAFloat::round(16.0f * v2.y), false);
-	Y3 = SSAInt(SSAFloat::round(16.0f * v3.y), false);
+	Y1 = FloatTo28_4(v1.y);
+	Y2 = FloatTo28_4(v2.y);
+	Y3 = FloatTo28_4(v3.y);
 
-	X1 = SSAInt(SSAFloat::round(16.0f * v1.x), false);
-	X2 = SSAInt(SSAFloat::round(16.0f * v2.x), false);
-	X3 = SSAInt(SSAFloat::round(16.0f * v3.x), false);
+	X1 = FloatTo28_4(v1.x);
+	X2 = FloatTo28_4(v2.x);
+	X3 = FloatTo28_4(v3.x);
 
 	// Deltas
 	DX12 = X1 - X2;
diff --git a/src/r_compiler/fixedfunction/drawtrianglecodegen.h b/src/r_compiler/fixedfunction/drawtrianglecodegen.h
index 6f9a6c32ad..eba1caf4f8 100644
--- a/src/r_compiler/fixedfunction/drawtrianglecodegen.h
+++ b/src/r_compiler/fixedfunction/drawtrianglecodegen.h
@@ -40,6 +40,7 @@ private:
 	SSATriVertex LoadTriVertex(SSAValue v);
 	void LoadUniforms(SSAValue uniforms);
 	void Setup(TriDrawVariant variant, bool truecolor);
+	SSAInt FloatTo28_4(SSAFloat v);
 	void LoopBlockY(TriDrawVariant variant, bool truecolor);
 	void LoopBlockX(TriDrawVariant variant, bool truecolor);
 	void LoopFullBlock(TriDrawVariant variant, bool truecolor);
diff --git a/src/r_compiler/ssa/ssa_float.cpp b/src/r_compiler/ssa/ssa_float.cpp
index 77cef29ffa..a45bee6132 100644
--- a/src/r_compiler/ssa/ssa_float.cpp
+++ b/src/r_compiler/ssa/ssa_float.cpp
@@ -112,12 +112,15 @@ SSAFloat SSAFloat::fma(SSAFloat a, SSAFloat b, SSAFloat c)
 	return SSAFloat::from_llvm(SSAScope::builder().CreateCall(SSAScope::intrinsic(llvm::Intrinsic::fma, params), args, SSAScope::hint()));
 }
 
+/* This intrinsic isn't always available..
 SSAFloat SSAFloat::round(SSAFloat val)
 {
+	
 	std::vector<llvm::Type *> params;
 	params.push_back(SSAFloat::llvm_type());
 	return SSAFloat::from_llvm(SSAScope::builder().CreateCall(SSAScope::intrinsic(llvm::Intrinsic::round, params), val.v, SSAScope::hint()));
 }
+*/
 
 SSAFloat SSAFloat::floor(SSAFloat val)
 {
diff --git a/src/r_compiler/ssa/ssa_float.h b/src/r_compiler/ssa/ssa_float.h
index 9386db0174..69fb81a759 100644
--- a/src/r_compiler/ssa/ssa_float.h
+++ b/src/r_compiler/ssa/ssa_float.h
@@ -43,7 +43,7 @@ public:
 	static SSAFloat exp(SSAFloat val);
 	static SSAFloat log(SSAFloat val);
 	static SSAFloat fma(SSAFloat a, SSAFloat b, SSAFloat c);
-	static SSAFloat round(SSAFloat val);
+	//static SSAFloat round(SSAFloat val);
 	static SSAFloat floor(SSAFloat val);
 	static SSAFloat MIN(SSAFloat a, SSAFloat b);
 	static SSAFloat MAX(SSAFloat a, SSAFloat b);