text: /*
  -----------------------------------------------------------------------------
  This source file is part of OGRE
      (Object-oriented Graphics Rendering Engine)
  For the latest info, see http://www.ogre3d.org/
  
  Copyright (c) 2000-2009 Torus Knot Software Ltd
  
  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.
  -----------------------------------------------------------------------------
  */
  #ifndef _RenderOperation_H__
  #define _RenderOperation_H__
  
  #include "OgrePrerequisites.h"
  #include "OgreVertexIndexData.h"
  
  namespace Ogre {
  
  
  	/** \addtogroup Core
  	*  @{
  	*/
  	/** \addtogroup RenderSystem
  	*  @{
  	*/
  	/** 'New' rendering operation using vertex buffers. */
  	class _OgrePrivate RenderOperation {
  	public:
  		/// The rendering operation type to perform
  		enum OperationType {
  			/// A list of points, 1 vertex per point
              OT_POINT_LIST = 1,
  			/// A list of lines, 2 vertices per line
              OT_LINE_LIST = 2,
  			/// A strip of connected lines, 1 vertex per line plus 1 start vertex
              OT_LINE_STRIP = 3,
  			/// A list of triangles, 3 vertices per triangle
              OT_TRIANGLE_LIST = 4,
  			/// A strip of triangles, 3 vertices for the first triangle, and 1 per triangle after that 
              OT_TRIANGLE_STRIP = 5,
  			/// A fan of triangles, 3 vertices for the first triangle, and 1 per triangle after that
              OT_TRIANGLE_FAN = 6
          };
  
  		/// Vertex source data
  		VertexData *vertexData;
  
  		/// The type of operation to perform
  		OperationType operationType;
  
  		/** Specifies whether to use indexes to determine the vertices to use as input. If false, the vertices are
  		 simply read in sequence to define the primitives. If true, indexes are used instead to identify vertices
  		 anywhere in the buffer, and allowing vertices to be used more than once.
  	   	 If true, then the indexBuffer, indexStart and numIndexes properties must be valid. */
  		bool useIndexes;
  
  		/// Index data - only valid if useIndexes is true
  		IndexData *indexData;
  		/// Debug pointer back to renderable which created this
  		const Renderable* srcRenderable;
  
  
  
          RenderOperation() :
              vertexData(0), operationType(OT_TRIANGLE_LIST), useIndexes(true),
                  indexData(0), srcRenderable(0) {}
  
  
  	};
  	/** @} */
  	/** @} */
  }
  
  
  
  #endif
  