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1 | // Copyright (c) 2019 OPEN CASCADE SAS |
2 | // |
3 | // This file is part of Open CASCADE Technology software library. |
4 | // |
5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
10 | // |
11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
13 | |
14 | #ifndef _OpenGl_AspectsTextureSet_Header |
15 | #define _OpenGl_AspectsTextureSet_Header |
16 | |
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17 | #include <Graphic3d_Aspects.hxx> |
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18 | #include <Graphic3d_TextureMap.hxx> |
19 | #include <Graphic3d_TextureSet.hxx> |
20 | |
21 | class OpenGl_Context; |
22 | class OpenGl_TextureSet; |
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23 | class OpenGl_PointSprite; |
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24 | |
25 | //! OpenGl resources for custom textures. |
26 | class OpenGl_AspectsTextureSet |
27 | { |
28 | public: |
29 | DEFINE_STANDARD_ALLOC |
30 | public: |
31 | //! Empty constructor. |
32 | OpenGl_AspectsTextureSet() : myIsTextureReady (Standard_False) {} |
33 | |
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34 | //! Return TRUE if resource is up-to-date. |
35 | bool IsReady() const { return myIsTextureReady; } |
36 | |
37 | //! Invalidate resource state. |
38 | void Invalidate() { myIsTextureReady = false; } |
39 | |
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40 | //! Return textures array. |
41 | const Handle(OpenGl_TextureSet)& TextureSet (const Handle(OpenGl_Context)& theCtx, |
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42 | const Handle(Graphic3d_Aspects)& theAspect, |
43 | const Handle(OpenGl_PointSprite)& theSprite, |
44 | const Handle(OpenGl_PointSprite)& theSpriteA, |
45 | bool theToHighlight) |
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46 | { |
47 | if (!myIsTextureReady) |
48 | { |
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49 | build (theCtx, theAspect, theSprite, theSpriteA); |
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50 | myIsTextureReady = true; |
51 | } |
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52 | return theToHighlight && !myTextures[1].IsNull() |
53 | ? myTextures[1] |
54 | : myTextures[0]; |
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55 | } |
56 | |
57 | //! Update texture resource up-to-date state. |
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58 | Standard_EXPORT void UpdateRediness (const Handle(Graphic3d_Aspects)& theAspect); |
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59 | |
60 | //! Release texture resource. |
61 | Standard_EXPORT void Release (OpenGl_Context* theCtx); |
62 | |
63 | private: |
64 | |
65 | //! Build texture resource. |
66 | Standard_EXPORT void build (const Handle(OpenGl_Context)& theCtx, |
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67 | const Handle(Graphic3d_Aspects)& theAspect, |
68 | const Handle(OpenGl_PointSprite)& theSprite, |
69 | const Handle(OpenGl_PointSprite)& theSpriteA); |
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70 | |
71 | private: |
72 | |
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73 | Handle(OpenGl_TextureSet) myTextures[2]; |
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74 | Standard_Boolean myIsTextureReady; |
75 | |
76 | }; |
77 | |
78 | #endif // _OpenGl_AspectsTextureSet_Header |