//
//-
// ==========================================================================
// Copyright (C) 1995 - 2006 Autodesk, Inc., and/or its licensors.  All 
// rights reserved.
// 
// The coded instructions, statements, computer programs, and/or related 
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// and by international treaties.
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// copied or duplicated, in whole or in part, without the prior written 
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// including the above license grant, this restriction and the following 
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//+
//
// CLASS:    MRenderTarget
//
// *****************************************************************************
//
// CLASS DESCRIPTION (MRenderTarget)
//
// MRenderTarget is a class contains information about a given 
// hardware render target.
//
// *****************************************************************************

#if defined __cplusplus

// *****************************************************************************

// INCLUDED HEADER FILES

#ifndef _MRenderTarget
#define _MRenderTarget

#include <maya/MTypes.h>

class MHardwareRenderer;
class THviewportRenderer;
class MRenderingInfo;
class MImage;

// *****************************************************************************

// CLASS DECLARATION (MRenderTarget)

/// Information to perform rendering into a hardware render target.
/**
This class contains information about render targets
*/
#ifdef _WIN32
#pragma warning(disable: 4522)
#endif // _WIN32


class OPENMAYARENDER_EXPORT MRenderTarget
{
public:
	/// Width of render target in pixels
	unsigned int	width() const;

	/// Height of render target in pixels
	unsigned int	height() const;	

	/// 
	void			makeTargetCurrent() const;
	///
	MStatus			writeColorBuffer( const MImage &image, signed short x = 0, signed short y = 0, 
										bool writeDepth = false) const;

protected:
	// No protected data

private:
	MRenderTarget();
	~MRenderTarget();
	void			set( void * );
	void			setWidth( unsigned int w ) { fWidth = w; }
	void			setHeight( unsigned int h ) { fHeight = h; }

	friend class MHardwareRenderer;
	friend class MRenderingInfo;

	// Render target dimensions
	unsigned int	fWidth;
	unsigned int	fHeight;

	void			*fRenderTarget;
};

#endif // _MRenderTarget
#endif 
