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b311480e | 1 | // Created on: 2011-07-13 |
2 | // Created by: Sergey ZERCHANINOV | |
973c2be1 | 3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
b311480e | 15 | |
2166f0fa SK |
16 | #ifndef _OpenGl_AspectLine_Header |
17 | #define _OpenGl_AspectLine_Header | |
18 | ||
30f0ad28 | 19 | #include <TCollection_AsciiString.hxx> |
20 | ||
bf75be98 | 21 | #include <InterfaceGraphic_Graphic3d.hxx> |
2166f0fa | 22 | #include <Aspect_TypeOfLine.hxx> |
b64d84be | 23 | #include <Graphic3d_CAspectLine.hxx> |
2166f0fa | 24 | |
30f0ad28 | 25 | #include <Handle_OpenGl_ShaderProgram.hxx> |
26 | ||
2166f0fa SK |
27 | #include <OpenGl_Element.hxx> |
28 | ||
29 | class OpenGl_AspectLine : public OpenGl_Element | |
30 | { | |
31 | public: | |
32 | ||
33 | OpenGl_AspectLine (); | |
34 | OpenGl_AspectLine (const OpenGl_AspectLine &AnOther); | |
2166f0fa | 35 | |
fd4a6963 | 36 | void SetAspect (const CALL_DEF_CONTEXTLINE &theAspect); |
2166f0fa SK |
37 | |
38 | const TEL_COLOUR & Color() const { return myColor; } | |
39 | Aspect_TypeOfLine Type() const { return myType; } | |
40 | float Width() const { return myWidth; } | |
41 | ||
30f0ad28 | 42 | //! Init and return OpenGl shader program resource. |
43 | //! @return shader program resource. | |
44 | const Handle(OpenGl_ShaderProgram)& ShaderProgramRes (const Handle(OpenGl_Workspace)& theWorkspace) const | |
45 | { | |
46 | if (!myResources.IsShaderReady()) | |
47 | { | |
48 | myResources.BuildShader (theWorkspace, myShaderProgram); | |
49 | myResources.SetShaderReady(); | |
50 | } | |
51 | ||
52 | return myResources.ShaderProgram; | |
53 | } | |
54 | ||
5e27df78 | 55 | virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const; |
56 | virtual void Release (const Handle(OpenGl_Context)& theContext); | |
2166f0fa | 57 | |
30f0ad28 | 58 | protected: |
59 | ||
60 | TEL_COLOUR myColor; | |
61 | Aspect_TypeOfLine myType; | |
62 | float myWidth; | |
63 | Handle(Graphic3d_ShaderProgram) myShaderProgram; | |
64 | ||
65 | protected: | |
66 | ||
67 | //! OpenGl resources | |
68 | mutable struct Resources | |
69 | { | |
70 | public: | |
71 | Resources() : myIsShaderReady (Standard_False) {} | |
72 | ||
73 | Standard_Boolean IsShaderReady() const { return myIsShaderReady; } | |
f85399e5 | 74 | void SetShaderReady() { myIsShaderReady = Standard_True; } |
75 | void ResetShaderReadiness() { myIsShaderReady = Standard_False; } | |
30f0ad28 | 76 | |
77 | void BuildShader (const Handle(OpenGl_Workspace)& theWS, const Handle(Graphic3d_ShaderProgram)& theShader); | |
78 | ||
79 | Handle(OpenGl_ShaderProgram) ShaderProgram; | |
80 | TCollection_AsciiString ShaderProgramId; | |
81 | ||
82 | private: | |
83 | ||
84 | Standard_Boolean myIsShaderReady; | |
2166f0fa | 85 | |
30f0ad28 | 86 | } myResources; |
2166f0fa SK |
87 | |
88 | public: | |
1c35b92f | 89 | DEFINE_STANDARD_ALLOC |
2166f0fa SK |
90 | }; |
91 | ||
92 | #endif //_OpenGl_AspectLine_Header |