0029353: Optimization of TPrsStd_AISPresentation::SetSelectionMode()
[occt.git] / src / OpenGl / OpenGl_ShaderObject.hxx
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30f0ad28 1// Created on: 2013-09-19
2// Created by: Denis BOGOLEPOV
d5f74e42 3// Copyright (c) 2013-2014 OPEN CASCADE SAS
30f0ad28 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
30f0ad28 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.
30f0ad28 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
30f0ad28 15
16#ifndef _OpenGl_ShaderObject_Header
17#define _OpenGl_ShaderObject_Header
18
30f0ad28 19#include <Graphic3d_ShaderObject.hxx>
20#include <OpenGl_GlCore20.hxx>
21#include <OpenGl_Resource.hxx>
22
23//! Wrapper for OpenGL shader object.
24class OpenGl_ShaderObject : public OpenGl_Resource
25{
d4e12f61 26 DEFINE_STANDARD_RTTIEXT(OpenGl_ShaderObject, OpenGl_Resource)
27 friend class OpenGl_ShaderProgram;
30f0ad28 28public:
29
30 //! Non-valid shader name.
31 static const GLuint NO_SHADER = 0;
32
33public:
34
35 //! Creates uninitialized shader object.
36 Standard_EXPORT OpenGl_ShaderObject (GLenum theType);
37
38 //! Releases resources of shader object.
39 Standard_EXPORT virtual ~OpenGl_ShaderObject();
40
41 //! Loads shader source code.
42 Standard_EXPORT Standard_Boolean LoadSource (const Handle(OpenGl_Context)& theCtx,
43 const TCollection_AsciiString& theSource);
44
45 //! Compiles the shader object.
46 Standard_EXPORT Standard_Boolean Compile (const Handle(OpenGl_Context)& theCtx);
47
30f0ad28 48 //! Fetches information log of the last compile operation.
49 Standard_EXPORT Standard_Boolean FetchInfoLog (const Handle(OpenGl_Context)& theCtx,
50 TCollection_AsciiString& theLog);
51
52 //! Creates new empty shader object of specified type.
53 Standard_EXPORT Standard_Boolean Create (const Handle(OpenGl_Context)& theCtx);
54
55 //! Destroys shader object.
79104795 56 Standard_EXPORT virtual void Release (OpenGl_Context* theCtx) Standard_OVERRIDE;
30f0ad28 57
58 //! Returns type of shader object.
59 GLenum Type() const { return myType; }
60
61protected:
62
63 GLenum myType; //!< Type of OpenGL shader object
64 GLuint myShaderID; //!< Handle of OpenGL shader object
65
30f0ad28 66};
67
d4e12f61 68DEFINE_STANDARD_HANDLE(OpenGl_ShaderObject, OpenGl_Resource)
69
30f0ad28 70#endif // _OpenGl_ShaderObject_Header