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63 lines
2.2 KiB
63 lines
2.2 KiB
/* |
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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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#include "IndexedMesh.h" |
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#include <cassert> |
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using namespace std; |
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using namespace Corrade::Utility; |
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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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if(TypeInfo::isIntegral(ait->type)) |
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glVertexAttribIPointer(ait->attribute, ait->size, static_cast<GLenum>(ait->type), ait->stride, ait->pointer); |
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else glVertexAttribPointer(ait->attribute, ait->size, static_cast<GLenum>(ait->type), GL_FALSE, ait->stride, ait->pointer); |
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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(static_cast<GLenum>(primitive()), _indexCount, static_cast<GLenum>(_indexType), nullptr); |
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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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void IndexedMesh::finalize() { |
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if(!_indexCount) { |
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Error() << "IndexedMesh: the mesh has zero index count!"; |
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assert(0); |
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} |
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Mesh::finalize(); |
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} |
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}
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