From 7c8b67fda40132b4378eb21a6b8ff45892a28a90 Mon Sep 17 00:00:00 2001
From: Egor Yusov <egor.yusov@gmail.com>
Date: Sun, 11 Mar 2018 12:07:40 -0700
Subject: Added PSO:IsCompatibleWith method to Lua bindings

---
 RenderScript/include/PSODescParser.h |  3 +++
 RenderScript/src/PSODescParser.cpp   | 21 ++++++++++++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

(limited to 'RenderScript')

diff --git a/RenderScript/include/PSODescParser.h b/RenderScript/include/PSODescParser.h
index a60155b..8d732af 100644
--- a/RenderScript/include/PSODescParser.h
+++ b/RenderScript/include/PSODescParser.h
@@ -52,5 +52,8 @@ namespace Diligent
 
         int SetPSO( lua_State *L );
         ClassMethodCaller<PSODescParser> m_SetPSOBinding;
+
+        int IsCompatibleWith(lua_State *L);
+        ClassMethodCaller<PSODescParser> m_IsCompatibleWithBinding;
     };
 }
diff --git a/RenderScript/src/PSODescParser.cpp b/RenderScript/src/PSODescParser.cpp
index 36c298f..b8a9109 100644
--- a/RenderScript/src/PSODescParser.cpp
+++ b/RenderScript/src/PSODescParser.cpp
@@ -216,7 +216,8 @@ namespace Diligent
     const Char* PSODescParser::PSODescLibName = "PipelineState";
     PSODescParser::PSODescParser( IRenderDevice *pRenderDevice, lua_State *L ) :
         EngineObjectParserCommon<IPipelineState>( pRenderDevice, L, PSODescLibName ),
-        m_SetPSOBinding( this, L, "Context", "SetPipelineState", &PSODescParser::SetPSO )
+        m_SetPSOBinding( this, L, "Context", "SetPipelineState", &PSODescParser::SetPSO ),
+        m_IsCompatibleWithBinding(this, L, m_MetatableRegistryName.c_str(), "IsCompatibleWith", &PSODescParser::IsCompatibleWith)
     {
         DEFINE_BUFFERED_STRING_BINDER( m_Bindings, PSODescWrapper, Name, NameBuffer )
 
@@ -254,4 +255,22 @@ namespace Diligent
 
         return 0;
     }
+
+    int PSODescParser::IsCompatibleWith(lua_State *L)
+    {
+        INIT_LUA_STACK_TRACKING(L);
+
+        auto *pThisPSO = *GetUserData<IPipelineState**>(L, 1, m_MetatableRegistryName.c_str());
+        
+        // Buffer should be the first argument
+        auto *pPSO = *GetUserData<IPipelineState**>(L, 2, m_MetatableRegistryName.c_str());
+
+        auto IsCompatible = pThisPSO->IsCompatibleWith(pPSO);
+
+        // Push existing object
+        PushValue(L, IsCompatible);
+
+        // Returning one value to Lua
+        return 1;
+    }
 }
-- 
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