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65 lines
2.2 KiB
65 lines
2.2 KiB
16 years ago
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/*
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Copyright © 2010 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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#include "IndexedMesh.h"
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using namespace std;
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namespace Magnum {
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void IndexedMesh::draw() {
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/* Finalize the mesh, if it is not already */
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finalize();
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/* Enable vertex arrays for all attributes */
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for(set<GLuint>::const_iterator it = attributes().begin(); it != attributes().end(); ++it)
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glEnableVertexAttribArray(*it);
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/* Bind attributes to vertex buffers */
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for(map<Buffer*, pair<bool, vector<Attribute> > >::const_iterator it = buffers().begin(); it != buffers().end(); ++it) {
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/* Bind buffer */
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it->first->bind();
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/* Bind all attributes to this buffer */
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for(vector<Attribute>::const_iterator ait = it->second.second.begin(); ait != it->second.second.end(); ++ait)
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switch(ait->type) {
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case GL_BYTE:
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case GL_UNSIGNED_BYTE:
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case GL_SHORT:
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case GL_UNSIGNED_SHORT:
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case GL_INT:
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case GL_UNSIGNED_INT:
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glVertexAttribIPointer(ait->location, ait->size, ait->type, ait->stride, ait->pointer);
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break;
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default:
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glVertexAttribPointer(ait->location, ait->size, ait->type, GL_FALSE, ait->stride, ait->pointer);
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}
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/* Unbind buffer */
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it->first->unbind();
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}
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/* Bind index array, draw the elements and unbind */
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_indexBuffer.bind();
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glDrawElements(primitive(), indexCount, indexType, 0);
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_indexBuffer.unbind();
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/* Disable vertex arrays for all attributes */
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for(set<GLuint>::const_iterator it = attributes().begin(); it != attributes().end(); ++it)
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glDisableVertexAttribArray(*it);
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}
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}
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