From 27816b470a958c896d6bb679eb39ca7430ab9120 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Sat, 26 May 2018 13:52:33 +0200
Subject: [PATCH] [spirv] Add support for 32-bit specialization constants

---
 src/spirv/spirv_module.cpp | 13 +++++++++++++
 src/spirv/spirv_module.h   |  4 ++++
 2 files changed, 17 insertions(+)

diff --git a/src/spirv/spirv_module.cpp b/src/spirv/spirv_module.cpp
index 87d211df..c6262f5c 100644
--- a/src/spirv/spirv_module.cpp
+++ b/src/spirv/spirv_module.cpp
@@ -340,6 +340,19 @@ namespace dxvk {
   }
     
   
+  uint32_t SpirvModule::specConst32(
+          uint32_t                typeId,
+          uint32_t                value) {
+    uint32_t resultId = this->allocateId();
+    
+    m_typeConstDefs.putIns  (spv::OpSpecConstant, 4);
+    m_typeConstDefs.putWord (typeId);
+    m_typeConstDefs.putWord (resultId);
+    m_typeConstDefs.putWord (value);
+    return resultId;
+  }
+  
+  
   void SpirvModule::decorate(
           uint32_t                object,
           spv::Decoration         decoration) {
diff --git a/src/spirv/spirv_module.h b/src/spirv/spirv_module.h
index febd46ca..47f12f8e 100644
--- a/src/spirv/spirv_module.h
+++ b/src/spirv/spirv_module.h
@@ -158,6 +158,10 @@ namespace dxvk {
     uint32_t specConstBool(
             bool                    v);
     
+    uint32_t specConst32(
+            uint32_t                typeId,
+            uint32_t                value);
+    
     void decorate(
             uint32_t                object,
             spv::Decoration         decoration);