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1 | // Created by: Kirill GAVRILOV |
| 2 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
| 3 | // |
| 4 | // This file is part of Open CASCADE Technology software library. |
| 5 | // |
| 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. |
| 11 | // |
| 12 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 13 | // commercial license or contractual agreement. |
| 14 | |
| 15 | #include <OpenGl_TextureSet.hxx> |
| 16 | |
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17 | #include <OpenGl_Texture.hxx> |
| 18 | |
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19 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_TextureSet, Standard_Transient) |
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20 | |
| 21 | // ======================================================================= |
| 22 | // function : IsModulate |
| 23 | // purpose : |
| 24 | // ======================================================================= |
| 25 | bool OpenGl_TextureSet::IsModulate() const |
| 26 | { |
| 27 | return myTextures.IsEmpty() |
| 28 | || myTextures.First().IsNull() |
| 29 | || myTextures.First()->Sampler()->Parameters()->IsModulate(); |
| 30 | } |
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31 | |
| 32 | // ======================================================================= |
| 33 | // function : HasNonPointSprite |
| 34 | // purpose : |
| 35 | // ======================================================================= |
| 36 | bool OpenGl_TextureSet::HasNonPointSprite() const |
| 37 | { |
| 38 | if (myTextures.IsEmpty()) |
| 39 | { |
| 40 | return false; |
| 41 | } |
| 42 | else if (myTextures.Size() == 1) |
| 43 | { |
| 44 | return !myTextures.First().IsNull() |
| 45 | && !myTextures.First()->IsPointSprite(); |
| 46 | } |
| 47 | return !myTextures.First().IsNull(); |
| 48 | } |
| 49 | |
| 50 | // ======================================================================= |
| 51 | // function : HasPointSprite |
| 52 | // purpose : |
| 53 | // ======================================================================= |
| 54 | bool OpenGl_TextureSet::HasPointSprite() const |
| 55 | { |
| 56 | return !myTextures.IsEmpty() |
| 57 | && !myTextures.Last().IsNull() |
| 58 | && myTextures.Last()->IsPointSprite(); |
| 59 | } |
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