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88 lines
2.8 KiB
88 lines
2.8 KiB
#ifndef Magnum_IndexedMesh_h |
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#define Magnum_IndexedMesh_h |
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/* |
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Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz> |
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This file is part of Magnum. |
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Magnum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License version 3 |
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only, as published by the Free Software Foundation. |
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Magnum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License version 3 for more details. |
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*/ |
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/** @file |
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* @brief Class Magnum::IndexedMesh |
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*/ |
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#include "Mesh.h" |
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#include "Buffer.h" |
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namespace Magnum { |
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/** |
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* @brief Indexed mesh |
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*/ |
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class IndexedMesh: public Mesh { |
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public: |
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/** |
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* @brief Implicit constructor |
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* |
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* Allows creating the object without knowing anything about mesh data. |
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* Note that you have to call setPrimitive(), setVertexCount(), |
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* setIndexCount() and setIndexType() manually for mesh to draw |
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* properly. |
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*/ |
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inline IndexedMesh(): _indexBuffer(Buffer::ElementArrayBuffer), _indexCount(0), _indexType(GL_UNSIGNED_SHORT) {} |
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/** |
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* @brief Constructor |
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* @param primitive Primitive type |
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* @param vertexCount Count of unique vertices |
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* @param indexCount Count of indices |
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* @param indexType Type of indices (GL_UNSIGNED_BYTE, |
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* GL_UNSIGNED_SHORT or GL_UNSIGNED_INT) |
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*/ |
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inline IndexedMesh(Primitive primitive, GLsizei vertexCount, GLsizei indexCount, GLenum indexType = GL_UNSIGNED_SHORT): Mesh(primitive, vertexCount), _indexBuffer(Buffer::ElementArrayBuffer), _indexCount(indexCount), _indexType(indexType) {} |
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/** @brief Index count */ |
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inline GLsizei indexCount() const { return _indexCount; } |
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/** @brief Set index count */ |
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inline void setIndexCount(GLsizei count) { _indexCount = count; } |
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/** @brief Index type */ |
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inline GLenum indexType() const { return _indexType; } |
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/** @brief Set index type */ |
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inline void setIndexType(GLsizei type) { _indexType = type; } |
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/** |
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* @brief Index buffer |
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* |
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* Returns pointer to index buffer, which should be then filled with |
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* indices (of type specified in constructor). |
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*/ |
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inline Buffer* indexBuffer() { return &_indexBuffer; } |
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/** |
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* @brief Draw the mesh |
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* |
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* Binds attributes to buffers, bind index buffer and draws the mesh. |
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* Expects an active shader with all uniforms set. |
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*/ |
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virtual void draw(); |
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private: |
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Buffer _indexBuffer; |
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GLsizei _indexCount; |
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GLenum _indexType; |
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}; |
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} |
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#endif
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