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lib/mayasdk7/include/maya/MPxGlBuffer.h

@@ -0,0 +1,146 @@
+
+#ifndef _MPxGlBuffer
+#define _MPxGlBuffer
+//
+//-
+// ==========================================================================
+// Copyright (C) 1995 - 2005 Alias Systems Corp. and/or its licensors.  All 
+// rights reserved.
+// 
+// The coded instructions, statements, computer programs, and/or related 
+// material (collectively the "Data") in these files contain unpublished 
+// information proprietary to Alias Systems Corp. ("Alias") and/or its 
+// licensors, which is protected by Canadian and US federal copyright law and 
+// by international treaties.
+// 
+// The Data may not be disclosed or distributed to third parties or be copied 
+// or duplicated, in whole or in part, without the prior written consent of 
+// Alias.
+// 
+// THE DATA IS PROVIDED "AS IS". ALIAS HEREBY DISCLAIMS ALL WARRANTIES RELATING 
+// TO THE DATA, INCLUDING, WITHOUT LIMITATION, ANY AND ALL EXPRESS OR IMPLIED 
+// WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND/OR FITNESS FOR A 
+// PARTICULAR PURPOSE. IN NO EVENT SHALL ALIAS BE LIABLE FOR ANY DAMAGES 
+// WHATSOEVER, WHETHER DIRECT, INDIRECT, SPECIAL, OR PUNITIVE, WHETHER IN AN 
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, OR IN EQUITY, 
+// ARISING OUT OF ACCESS TO, USE OF, OR RELIANCE UPON THE DATA.
+// ==========================================================================
+//+
+//
+// CLASS:    MPxGlBuffer
+//
+// *****************************************************************************
+//
+// CLASS DESCRIPTION (MPxGlBuffer)
+//
+//  MPxGlBuffer allows the user to create OpenGL buffers that Maya
+//	can draw into.  The base class as is defined will create a hardware
+//	accellerated off-screen buffer for use on SGI hardware.
+//
+//  To create a custom buffer, derive from this class and override at
+//	least the open, close, drawable, and context classes.  The customized
+//	buffer may also require a constructor and destructor to initialize and
+//	free its storage correctly.
+//
+// *****************************************************************************
+
+#if defined __cplusplus
+
+// ****************************************************************************
+
+// INCLUDED HEADER FILES
+
+
+#include <maya/MStatus.h>
+#include <maya/MTypes.h>
+
+#if defined(__unix) || defined(LINUX)
+#include <GL/glx.h>
+#endif
+
+// ****************************************************************************
+
+// DECLARATIONS
+
+class MString;
+class M3dView;
+
+// ****************************************************************************
+
+// CLASS DECLARATION (MPxGlBuffer)
+
+/// Base class for user defined GL buffers (OpenMayaUI)
+
+/**
+  Create user defined (off-screen) GL buffers.
+*/
+#ifdef _WIN32
+#pragma warning(disable: 4522)
+#endif // _WIN32
+
+class OPENMAYAUI_EXPORT MPxGlBuffer
+{
+public:
+	///
+	MPxGlBuffer();
+	///
+	MPxGlBuffer( M3dView &view );
+	///
+	virtual ~MPxGlBuffer();
+
+#if defined(__unix) || defined(LINUX)
+	///
+	virtual	MStatus			open( short width, short height,
+								  GLXContext shareCtx = NULL );
+	///
+	virtual GLXDrawable	    drawable( MStatus * ReturnStatus = NULL );
+	///
+	virtual	GLXContext      context( MStatus * ReturnStatus = NULL );
+	///
+	virtual	Display *       display( MStatus * ReturnStatus = NULL );
+	///
+	virtual XVisualInfo *   visual( MStatus * ReturnStatus = NULL );
+	///
+	virtual int *   		attributeList( MStatus * ReturnStatus = NULL );
+
+	///
+	virtual MStatus         setUseExternalDrawable( bool state );
+	///
+	virtual MStatus         setDoubleBuffer( bool state );
+	///
+	virtual MStatus         setDisplay( Display * disp );
+	///
+	virtual MStatus         setDrawable( GLXDrawable drawable );
+	///
+	virtual MStatus         setVisual( XVisualInfo * vis );
+#endif // __unix
+
+	///
+	virtual	MStatus			close();
+
+protected:
+	///
+	bool					hasColorIndex;
+	///
+	bool					hasAlphaBuffer;
+	///
+	bool					hasDepthBuffer;
+	///
+	bool					hasAccumulationBuffer;
+	///
+	bool					hasDoubleBuffer;
+
+private:
+	void   setData( void* );
+	virtual const char*	className() const;
+	void * 	data;
+
+};
+
+#ifdef _WIN32
+#pragma warning(default: 4522)
+#endif // _WIN32
+
+// *****************************************************************************
+#endif /* __cplusplus */
+#endif /* _MPxGlBuffer */