[1092] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #ifndef _RenderOperation_H__
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| 26 | #define _RenderOperation_H__
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| 27 |
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| 28 | #include "OgrePrerequisites.h"
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| 29 | #include "OgreVertexIndexData.h"
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| 30 |
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| 31 | namespace Ogre {
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| 32 |
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| 33 |
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| 34 | /** 'New' rendering operation using vertex buffers. */
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| 35 | class _OgrePrivate RenderOperation {
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| 36 | public:
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| 37 | /// The rendering operation type to perform
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| 38 | enum OperationType {
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| 39 | /// A list of points, 1 vertex per point
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| 40 | OT_POINT_LIST = 1,
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| 41 | /// A list of lines, 2 vertices per line
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| 42 | OT_LINE_LIST = 2,
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| 43 | /// A strip of connected lines, 1 vertex per line plus 1 start vertex
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| 44 | OT_LINE_STRIP = 3,
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| 45 | /// A list of triangles, 3 vertices per triangle
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| 46 | OT_TRIANGLE_LIST = 4,
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| 47 | /// A strip of triangles, 3 vertices for the first triangle, and 1 per triangle after that
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| 48 | OT_TRIANGLE_STRIP = 5,
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| 49 | /// A fan of triangles, 3 vertices for the first triangle, and 1 per triangle after that
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| 50 | OT_TRIANGLE_FAN = 6
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| 51 | };
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| 52 |
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| 53 | /// Vertex source data
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| 54 | VertexData *vertexData;
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| 55 |
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| 56 | /// The type of operation to perform
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| 57 | OperationType operationType;
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| 58 |
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| 59 | /** Specifies whether to use indexes to determine the vertices to use as input. If false, the vertices are
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| 60 | simply read in sequence to define the primitives. If true, indexes are used instead to identify vertices
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| 61 | anywhere in the buffer, and allowing vertices to be used more than once.
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| 62 | If true, then the indexBuffer, indexStart and numIndexes properties must be valid. */
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| 63 | bool useIndexes;
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| 64 |
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| 65 | /// Index data - only valid if useIndexes is true
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| 66 | IndexData *indexData;
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| 67 | /// Debug pointer back to renderable which created this
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| 68 | Renderable* srcRenderable;
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| 69 |
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| 70 |
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| 71 | RenderOperation() :
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| 72 | vertexData(0), operationType(OT_TRIANGLE_LIST), useIndexes(true),
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| 73 | indexData(0) {}
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| 74 |
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| 75 | };
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| 76 | }
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| 77 |
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| 78 |
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| 79 |
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| 80 | #endif
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