1 // Created on: 2011-07-13
2 // Created by: Sergey ZERCHANINOV
3 // Copyright (c) 2011-2012 OPEN CASCADE SAS
5 // The content of this file is subject to the Open CASCADE Technology Public
6 // License Version 6.5 (the "License"). You may not use the content of this file
7 // except in compliance with the License. Please obtain a copy of the License
8 // at http://www.opencascade.org and read it completely before using this file.
10 // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11 // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13 // The Original Code and all software distributed under the License is
14 // distributed on an "AS IS" basis, without warranty of any kind, and the
15 // Initial Developer hereby disclaims all such warranties, including without
16 // limitation, any warranties of merchantability, fitness for a particular
17 // purpose or non-infringement. Please see the License for the specific terms
18 // and conditions governing the rights and limitations under the License.
20 #ifndef _OpenGl_AspectLine_Header
21 #define _OpenGl_AspectLine_Header
23 #include <TCollection_AsciiString.hxx>
25 #include <InterfaceGraphic_Graphic3d.hxx>
26 #include <Aspect_TypeOfLine.hxx>
28 #include <Handle_OpenGl_ShaderProgram.hxx>
30 #include <OpenGl_Element.hxx>
32 class OpenGl_AspectLine : public OpenGl_Element
37 OpenGl_AspectLine (const OpenGl_AspectLine &AnOther);
39 void SetAspect (const CALL_DEF_CONTEXTLINE &theAspect);
41 const TEL_COLOUR & Color() const { return myColor; }
42 Aspect_TypeOfLine Type() const { return myType; }
43 float Width() const { return myWidth; }
45 //! Init and return OpenGl shader program resource.
46 //! @return shader program resource.
47 const Handle(OpenGl_ShaderProgram)& ShaderProgramRes (const Handle(OpenGl_Workspace)& theWorkspace) const
49 if (!myResources.IsShaderReady())
51 myResources.BuildShader (theWorkspace, myShaderProgram);
52 myResources.SetShaderReady();
55 return myResources.ShaderProgram;
58 virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const;
59 virtual void Release (const Handle(OpenGl_Context)& theContext);
64 Aspect_TypeOfLine myType;
66 Handle(Graphic3d_ShaderProgram) myShaderProgram;
71 mutable struct Resources
74 Resources() : myIsShaderReady (Standard_False) {}
76 Standard_Boolean IsShaderReady() const { return myIsShaderReady; }
77 void SetShaderReady() { myIsShaderReady = Standard_True; }
78 void ResetShader () { myIsShaderReady = Standard_False; }
80 void BuildShader (const Handle(OpenGl_Workspace)& theWS, const Handle(Graphic3d_ShaderProgram)& theShader);
82 Handle(OpenGl_ShaderProgram) ShaderProgram;
83 TCollection_AsciiString ShaderProgramId;
87 Standard_Boolean myIsShaderReady;
95 #endif //_OpenGl_AspectLine_Header