From f1a8e02e0fd57c5da880ab5135af729426001e22 Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Tue, 26 Mar 2019 23:13:36 +0000
Subject: [PATCH] [spirv] Implement opPow

---
 src/spirv/spirv_module.cpp | 17 ++++++++++++++++-
 src/spirv/spirv_module.h   |  5 +++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/spirv/spirv_module.cpp b/src/spirv/spirv_module.cpp
index 8aad4f52..90212ee4 100644
--- a/src/spirv/spirv_module.cpp
+++ b/src/spirv/spirv_module.cpp
@@ -2364,7 +2364,22 @@ namespace dxvk {
     m_code.putWord(operand);
     return resultId;
   }
-  
+
+  uint32_t SpirvModule::opPow(
+    uint32_t                resultType,
+    uint32_t                base,
+    uint32_t                exponent) {
+    uint32_t resultId = this->allocateId();
+
+    m_code.putIns(spv::OpExtInst, 7);
+    m_code.putWord(resultType);
+    m_code.putWord(resultId);
+    m_code.putWord(m_instExtGlsl450);
+    m_code.putWord(spv::GLSLstd450Pow);
+    m_code.putWord(base);
+    m_code.putWord(exponent);
+    return resultId;
+  }
   
   uint32_t SpirvModule::opFract(
           uint32_t                resultType,
diff --git a/src/spirv/spirv_module.h b/src/spirv/spirv_module.h
index 0569030c..08df5d21 100644
--- a/src/spirv/spirv_module.h
+++ b/src/spirv/spirv_module.h
@@ -832,6 +832,11 @@ namespace dxvk {
     uint32_t opLog2(
             uint32_t                resultType,
             uint32_t                operand);
+
+    uint32_t opPow(
+            uint32_t                resultType,
+            uint32_t                base,
+            uint32_t                exponent);
     
     uint32_t opFract(
             uint32_t                resultType,