1 // Created by: Kirill GAVRILOV
2 // Copyright (c) 2013-2014 OPEN CASCADE SAS
4 // This file is part of Open CASCADE Technology software library.
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License version 2.1 as published
8 // by the Free Software Foundation, with special exception defined in the file
9 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10 // distribution for complete text of the license and disclaimer of any warranty.
12 // Alternatively, this file may be used under the terms of Open CASCADE
13 // commercial license or contractual agreement.
15 #include <OpenGl_TextureSet.hxx>
17 #include <OpenGl_Texture.hxx>
19 IMPLEMENT_STANDARD_RTTIEXT(OpenGl_TextureSet, Standard_Transient)
21 // =======================================================================
22 // function : IsModulate
24 // =======================================================================
25 bool OpenGl_TextureSet::IsModulate() const
27 return myTextures.IsEmpty()
28 || myTextures.First().IsNull()
29 || myTextures.First()->Sampler()->Parameters()->IsModulate();
32 // =======================================================================
33 // function : HasNonPointSprite
35 // =======================================================================
36 bool OpenGl_TextureSet::HasNonPointSprite() const
38 if (myTextures.IsEmpty())
42 else if (myTextures.Size() == 1)
44 return !myTextures.First().IsNull()
45 && !myTextures.First()->IsPointSprite();
47 return !myTextures.First().IsNull();
50 // =======================================================================
51 // function : HasPointSprite
53 // =======================================================================
54 bool OpenGl_TextureSet::HasPointSprite() const
56 return !myTextures.IsEmpty()
57 && !myTextures.Last().IsNull()
58 && myTextures.Last()->IsPointSprite();