From f2e065dee10fb110e9d51175ee6381333319ef56 Mon Sep 17 00:00:00 2001
From: Egor Yusov <egor.yusov@gmail.com>
Date: Tue, 20 Oct 2015 21:05:29 -0700
Subject: Release v1.0.0

---
 RenderScript/include/ConvenienceFunctions.h | 84 +++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 RenderScript/include/ConvenienceFunctions.h

(limited to 'RenderScript/include/ConvenienceFunctions.h')

diff --git a/RenderScript/include/ConvenienceFunctions.h b/RenderScript/include/ConvenienceFunctions.h
new file mode 100644
index 0000000..2a4df13
--- /dev/null
+++ b/RenderScript/include/ConvenienceFunctions.h
@@ -0,0 +1,84 @@
+/*     Copyright 2015 Egor Yusov
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#pragma once
+
+#include "Errors.h"
+#include "FileWrapper.h"
+#include "ScriptParser.h"
+#include "DataBlobImpl.h"
+#ifdef _WIN32
+#   define NOMINMAX
+#   include <Windows.h>
+#endif
+
+inline void SetGlobalVarsStub( Diligent::ScriptParser * ){}
+
+template<typename TSetGlobalVars>
+Diligent::RefCntAutoPtr<Diligent::ScriptParser> CreateRenderScriptFromFile( const Diligent::Char *FilePath, Diligent::IRenderDevice *pRenderDevice, Diligent::IDeviceContext *pContext, TSetGlobalVars SetGlobalVars )
+{
+    bool bSuccess = true;
+    Diligent::RefCntAutoPtr<Diligent::ScriptParser> pScriptParser;
+#ifdef PLATFORM_WINDOWS
+    do
+    {
+#endif
+        std::string ErrorMsg;
+        bSuccess = true;
+        try
+        {
+            Diligent::FileWrapper ScriptFile(FilePath);
+            if( !ScriptFile )
+                LOG_ERROR_AND_THROW( "Failed to open Lua source file" );
+            Diligent::RefCntAutoPtr<Diligent::IDataBlob> pFileData( new Diligent::DataBlobImpl );
+            ScriptFile->Read( pFileData );
+            
+            // Null-terminator is not read from the stream
+            pFileData->Resize(pFileData->GetSize() + 1);
+            auto *ScriptText = reinterpret_cast<char*>(pFileData->GetDataPtr());
+            ScriptText[pFileData->GetSize() - 1] = 0;
+            
+            pScriptParser = new Diligent::ScriptParser( pRenderDevice );
+            pScriptParser->Parse( ScriptText );
+            SetGlobalVars( pScriptParser );
+            pScriptParser->Run( pContext );
+        }
+        catch( const std::runtime_error &err )
+        {
+            bSuccess = false;
+            ErrorMsg = err.what();
+        }
+
+#ifdef PLATFORM_WINDOWS
+        if( !bSuccess )
+        {
+            if( IDRETRY != MessageBoxA( NULL, "Failed to parse the script. Retry?", "Lua parser error", MB_ICONERROR | MB_ABORTRETRYIGNORE ) )
+            {
+                abort();
+            }
+        }
+    } while( !bSuccess );
+#endif
+
+    return pScriptParser;
+}
-- 
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