root/OpenSceneGraph/trunk/src/osg/TexMat.cpp @ 13041

Revision 13041, 1.4 kB (checked in by robert, 2 years ago)

Ran script to remove trailing spaces and tabs

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
Line 
1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13#include <osg/GL>
14#include <osg/TexMat>
15#include <osg/Notify>
16#include <osg/TextureRectangle>
17
18using namespace osg;
19
20TexMat::TexMat():
21    _scaleByTextureRectangleSize(false)
22{
23}
24
25
26TexMat::~TexMat()
27{
28}
29
30void TexMat::apply(State& state) const
31{
32#ifdef OSG_GL_FIXED_FUNCTION_AVAILABLE
33    glMatrixMode( GL_TEXTURE );
34    glLoadMatrix(_matrix.ptr());
35
36    if (_scaleByTextureRectangleSize)
37    {
38        const osg::TextureRectangle* tex = dynamic_cast<const osg::TextureRectangle*>(state.getLastAppliedTextureAttribute(state.getActiveTextureUnit(), osg::StateAttribute::TEXTURE));
39        if (tex)
40        {
41            glScalef(tex->getTextureWidth(),tex->getTextureHeight(),1.0f);
42        }
43    }
44
45    glMatrixMode( GL_MODELVIEW );
46#else
47    OSG_NOTICE<<"Warning: TexMat::apply(State&) - not supported."<<std::endl;
48#endif
49}
Note: See TracBrowser for help on using the browser.