0027961: Visualization - remove unused and no more working OpenGl_AVIWriter
[occt.git] / src / OpenGl / OpenGl_AspectLine.hxx
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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
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16#ifndef _OpenGl_AspectLine_Header
17#define _OpenGl_AspectLine_Header
18
30f0ad28 19#include <TCollection_AsciiString.hxx>
20
b6472664 21#include <Graphic3d_AspectLine3d.hxx>
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22#include <OpenGl_Element.hxx>
23
c04c30b3 24class OpenGl_ShaderProgram;
25
b6472664 26//! The element holding Graphic3d_AspectLine3d.
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27class OpenGl_AspectLine : public OpenGl_Element
28{
595a42a4 29public:
30
b6472664 31 //! Empty constructor.
595a42a4 32 Standard_EXPORT OpenGl_AspectLine();
2166f0fa 33
b6472664 34 //! Create and assign line aspect.
35 Standard_EXPORT OpenGl_AspectLine (const Handle(Graphic3d_AspectLine3d)& theAspect);
2166f0fa 36
b6472664 37 //! Return line aspect.
38 const Handle(Graphic3d_AspectLine3d)& Aspect() const { return myAspect; }
2166f0fa 39
b6472664 40 //! Assign line aspect.
41 Standard_EXPORT void SetAspect (const Handle(Graphic3d_AspectLine3d)& theAspect);
2166f0fa 42
30f0ad28 43 //! Init and return OpenGl shader program resource.
44 //! @return shader program resource.
8625ef7e 45 const Handle(OpenGl_ShaderProgram)& ShaderProgramRes (const Handle(OpenGl_Context)& theCtx) const
30f0ad28 46 {
47 if (!myResources.IsShaderReady())
48 {
b6472664 49 myResources.BuildShader (theCtx, myAspect->ShaderProgram());
30f0ad28 50 myResources.SetShaderReady();
51 }
52
53 return myResources.ShaderProgram;
54 }
55
595a42a4 56 Standard_EXPORT virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const;
10b9c7df 57 Standard_EXPORT virtual void Release (OpenGl_Context* theContext);
2166f0fa 58
30f0ad28 59protected:
60
30f0ad28 61 //! OpenGl resources
62 mutable struct Resources
63 {
64 public:
65 Resources() : myIsShaderReady (Standard_False) {}
66
67 Standard_Boolean IsShaderReady() const { return myIsShaderReady; }
f85399e5 68 void SetShaderReady() { myIsShaderReady = Standard_True; }
69 void ResetShaderReadiness() { myIsShaderReady = Standard_False; }
30f0ad28 70
8625ef7e 71 Standard_EXPORT void BuildShader (const Handle(OpenGl_Context)& theCtx,
72 const Handle(Graphic3d_ShaderProgram)& theShader);
30f0ad28 73
74 Handle(OpenGl_ShaderProgram) ShaderProgram;
75 TCollection_AsciiString ShaderProgramId;
76
77 private:
78
79 Standard_Boolean myIsShaderReady;
2166f0fa 80
30f0ad28 81 } myResources;
b6472664 82 Handle(Graphic3d_AspectLine3d) myAspect;
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83
84 public:
1c35b92f 85 DEFINE_STANDARD_ALLOC
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86};
87
88#endif //_OpenGl_AspectLine_Header