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 : OpenGl_TextureSet
24 // =======================================================================
25 OpenGl_TextureSet::OpenGl_TextureSet (const Handle(OpenGl_Texture)& theTexture)
27 myTextureSetBits (Graphic3d_TextureSetBits_NONE)
29 if (!theTexture.IsNull())
31 myTextures.ChangeFirst().Texture = theTexture;
32 myTextures.ChangeFirst().Unit = theTexture->Sampler()->Parameters()->TextureUnit();
36 // =======================================================================
37 // function : IsModulate
39 // =======================================================================
40 bool OpenGl_TextureSet::IsModulate() const
42 return myTextures.IsEmpty()
43 || myTextures.First().Texture.IsNull()
44 || myTextures.First().Texture->Sampler()->Parameters()->IsModulate();
47 // =======================================================================
48 // function : HasNonPointSprite
50 // =======================================================================
51 bool OpenGl_TextureSet::HasNonPointSprite() const
53 if (myTextures.IsEmpty())
57 else if (myTextures.Size() == 1)
59 return !myTextures.First().Texture.IsNull()
60 && !myTextures.First().Texture->IsPointSprite();
62 return !myTextures.First().Texture.IsNull();
65 // =======================================================================
66 // function : HasPointSprite
68 // =======================================================================
69 bool OpenGl_TextureSet::HasPointSprite() const
71 return !myTextures.IsEmpty()
72 && !myTextures.Last().Texture.IsNull()
73 && myTextures.Last().Texture->IsPointSprite();