0030748: Visualization - Marker displayed in immediate layer ruins QT Quick view...
[occt.git] / src / OpenGl / OpenGl_AspectsProgram.hxx
CommitLineData
bf5f0ca2 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_AspectsProgram_Header
15#define _OpenGl_AspectsProgram_Header
16
17#include <Graphic3d_ShaderProgram.hxx>
18
19class Graphic3d_Aspects;
20class OpenGl_Context;
21class OpenGl_ShaderProgram;
22
23//! OpenGl resources for custom shading program.
24class OpenGl_AspectsProgram
25{
26public:
27 DEFINE_STANDARD_ALLOC
28public:
29 //! Empty constructor.
30 OpenGl_AspectsProgram() : myIsShaderReady (false) {}
31
32 //! Return shading program.
33 const Handle(OpenGl_ShaderProgram)& ShaderProgram (const Handle(OpenGl_Context)& theCtx,
34 const Handle(Graphic3d_ShaderProgram)& theShader)
35 {
36 if (!myIsShaderReady)
37 {
38 build (theCtx, theShader);
39 myIsShaderReady = true;
40 }
41 return myShaderProgram;
42 }
43
44 //! Update shader resource up-to-date state.
45 Standard_EXPORT void UpdateRediness (const Handle(Graphic3d_Aspects)& theAspect);
46
47 //! Release resource.
48 Standard_EXPORT void Release (OpenGl_Context* theCtx);
49
50private:
51
52 //! Build shader resource.
53 Standard_EXPORT void build (const Handle(OpenGl_Context)& theCtx,
54 const Handle(Graphic3d_ShaderProgram)& theShader);
55
56private:
57
58 Handle(OpenGl_ShaderProgram) myShaderProgram;
59 TCollection_AsciiString myShaderProgramId;
60 Standard_Boolean myIsShaderReady;
61};
62
63#endif // _OpenGl_Aspects_Header