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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 | |
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21 | // ======================================================================= |
22 | // function : OpenGl_TextureSet |
23 | // purpose : |
24 | // ======================================================================= |
25 | OpenGl_TextureSet::OpenGl_TextureSet (const Handle(OpenGl_Texture)& theTexture) |
26 | : myTextures (0, 0), |
27 | myTextureSetBits (Graphic3d_TextureSetBits_NONE) |
28 | { |
29 | if (!theTexture.IsNull()) |
30 | { |
31 | myTextures.ChangeFirst().Texture = theTexture; |
32 | myTextures.ChangeFirst().Unit = theTexture->Sampler()->Parameters()->TextureUnit(); |
33 | } |
34 | } |
35 | |
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36 | // ======================================================================= |
37 | // function : IsModulate |
38 | // purpose : |
39 | // ======================================================================= |
40 | bool OpenGl_TextureSet::IsModulate() const |
41 | { |
42 | return myTextures.IsEmpty() |
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43 | || myTextures.First().Texture.IsNull() |
44 | || myTextures.First().Texture->Sampler()->Parameters()->IsModulate(); |
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45 | } |
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46 | |
47 | // ======================================================================= |
48 | // function : HasNonPointSprite |
49 | // purpose : |
50 | // ======================================================================= |
51 | bool OpenGl_TextureSet::HasNonPointSprite() const |
52 | { |
53 | if (myTextures.IsEmpty()) |
54 | { |
55 | return false; |
56 | } |
57 | else if (myTextures.Size() == 1) |
58 | { |
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59 | return !myTextures.First().Texture.IsNull() |
60 | && !myTextures.First().Texture->IsPointSprite(); |
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61 | } |
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62 | return !myTextures.First().Texture.IsNull(); |
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63 | } |
64 | |
65 | // ======================================================================= |
66 | // function : HasPointSprite |
67 | // purpose : |
68 | // ======================================================================= |
69 | bool OpenGl_TextureSet::HasPointSprite() const |
70 | { |
71 | return !myTextures.IsEmpty() |
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72 | && !myTextures.Last().Texture.IsNull() |
73 | && myTextures.Last().Texture->IsPointSprite(); |
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74 | } |