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utils/dx_proxy/dxincludeimpl.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#ifndef DXINCLUDEIMPL_H
+#define DXINCLUDEIMPL_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+FileCache s_incFileCache;
+
+struct DxIncludeImpl : public ID3DXInclude
+{
+	STDMETHOD(Open)(THIS_ D3DXINCLUDE_TYPE IncludeType, LPCSTR pFileName, LPCVOID pParentData, LPCVOID *ppData, UINT *pBytes)
+	{
+		CachedFileData *pFileData = s_incFileCache.Get( pFileName );
+		if ( !pFileData || !pFileData->IsValid() )
+			return E_FAIL;
+		
+		*ppData = pFileData->GetDataPtr();
+		*pBytes = pFileData->GetDataLen();
+
+		pFileData->UpdateRefCount( +1 );
+
+		return S_OK;
+	}
+
+	STDMETHOD(Open)(THIS_ D3DXINCLUDE_TYPE IncludeType, LPCSTR pFileName, LPCVOID pParentData,
+		LPCVOID *ppData, UINT *pBytes,
+		/* OUT */ LPSTR pFullPath, DWORD cbFullPath)
+	{
+		if ( pFullPath && cbFullPath ) strncpy( pFullPath, pFileName, cbFullPath );
+		return Open( IncludeType, pFileName, pParentData, ppData, pBytes );
+	}
+	
+	STDMETHOD(Close)(THIS_ LPCVOID pData)
+	{
+		if ( CachedFileData *pFileData = CachedFileData::GetByDataPtr( pData ) )
+			pFileData->UpdateRefCount( -1 );
+
+		return S_OK;
+	}
+};
+
+DxIncludeImpl s_incDxImpl;
+
+#endif // #ifndef DXINCLUDEIMPL_H