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diff --git a/public/togl/linuxwin/cglmquery.h b/public/togl/linuxwin/cglmquery.h
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+++ b/public/togl/linuxwin/cglmquery.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//                       TOGL CODE LICENSE
+//
+//  Copyright 2011-2014 Valve Corporation
+//  All Rights Reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  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. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+// cglmquery.h
+//	GLMgr queries
+//
+//===============================================================================
+
+#ifndef CGLMQUERY_H
+#define	CGLMQUERY_H
+
+#pragma once
+
+//===============================================================================
+
+// forward declarations
+
+class	GLMContext;
+class	CGLMQuery;
+
+//===============================================================================
+
+enum EGLMQueryType
+{
+	EOcclusion,
+	EFence,
+	EGLMQueryCount
+};
+
+struct GLMQueryParams
+{
+	EGLMQueryType	m_type;
+};
+
+class CGLMQuery
+{
+	// leave everything public til it's running
+public:
+	friend class GLMContext;			// only GLMContext can make CGLMTex objects
+	friend struct IDirect3DDevice9;
+	friend struct IDirect3DQuery9;
+		
+	GLMContext		*m_ctx;				// link back to parent context
+	GLMQueryParams	m_params;			// params created with
+	
+	GLuint			m_name;				// name of the query object per se - could be fence, could be query object ... NOT USED WITH GL_ARB_sync!
+#ifdef HAVE_GL_ARB_SYNC
+	GLsync			m_syncobj;			// GL_ARB_sync object. NOT USED WITH GL_NV_fence or GL_APPLE_fence!
+#else
+	GLuint			m_syncobj;
+#endif
+	
+	bool			m_started;
+	bool			m_stopped;
+	bool			m_done;
+	
+	bool			m_nullQuery;		// was gl_nullqueries true at Start time - if so, continue to act like a null query through Stop/IsDone/Complete time
+										// restated - only Start should examine the convar.
+	static uint		s_nTotalOcclusionQueryCreatesOrDeletes;
+
+			CGLMQuery( GLMContext *ctx, GLMQueryParams *params );
+			~CGLMQuery( );
+			
+	// for an occlusion query:
+	//	Start = BeginQuery		query-start goes into stream
+	//	Stop = EndQuery			query-end goes into stream - a fence is also set so we can probe for completion
+	//	IsDone = TestFence		use the added fence to ask if query-end has passed (i.e. will Complete block?)
+	//	Complete = GetQueryObjectuivARB(uint id, enum pname, uint *params) - extract the sample count
+
+	// for a fence query:
+	//	Start = SetFence		fence goes into command stream
+	//	Stop = NOP				fences are self finishing - no need to call Stop on a fence
+	//	IsDone = TestFence		ask if fence passed
+	//	Complete = FinishFence
+
+	void	Start		( void );
+	void	Stop		( void );
+	bool	IsDone		( void );
+	void	Complete	( uint *result );
+
+	// accessors for the started/stopped state
+	bool	IsStarted	( void );
+	bool	IsStopped	( void );
+};
+
+
+#endif