From f1efc9dc9f474519e9e4c9bf846d6446a9f47da6 Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Wed, 16 Mar 2022 14:34:19 +0100
Subject: [PATCH] [dxso] Emit spirv OpCross if we can.

---
 src/dxso/dxso_compiler.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/dxso/dxso_compiler.cpp b/src/dxso/dxso_compiler.cpp
index 0ff260ab..caa46f18 100644
--- a/src/dxso/dxso_compiler.cpp
+++ b/src/dxso/dxso_compiler.cpp
@@ -1523,12 +1523,16 @@ namespace dxvk {
   DxsoRegisterValue DxsoCompiler::emitCross(
           DxsoRegisterValue       a,
           DxsoRegisterValue       b) {
+    uint32_t typeId = getVectorTypeId(a.type);
+
+    if (m_moduleInfo.options.d3d9FloatEmulation != D3D9FloatEmulation::Strict)
+      return {a.type, m_module.opCross(typeId, a.id, b.id)};
+
     const std::array<uint32_t, 4> shiftIndices = { 1, 2, 0, 1 };
 
     DxsoRegisterValue result;
     result.type = { DxsoScalarType::Float32, 3 };
 
-    uint32_t typeId = getVectorTypeId(result.type);
     std::array<DxsoRegisterValue, 2> products;
 
     for (uint32_t i = 0; i < 2; i++) {