1 // Created on: 2013-09-19
2 // Created by: Denis BOGOLEPOV
3 // Copyright (c) 2013 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_ShaderObject_Header
21 #define _OpenGl_ShaderObject_Header
23 #include <Handle_OpenGl_ShaderObject.hxx>
24 #include <Graphic3d_ShaderObject.hxx>
25 #include <OpenGl_GlCore20.hxx>
26 #include <OpenGl_Resource.hxx>
28 //! Wrapper for OpenGL shader object.
29 class OpenGl_ShaderObject : public OpenGl_Resource
34 //! Non-valid shader name.
35 static const GLuint NO_SHADER = 0;
39 //! Creates uninitialized shader object.
40 Standard_EXPORT OpenGl_ShaderObject (GLenum theType);
42 //! Releases resources of shader object.
43 Standard_EXPORT virtual ~OpenGl_ShaderObject();
45 //! Loads shader source code.
46 Standard_EXPORT Standard_Boolean LoadSource (const Handle(OpenGl_Context)& theCtx,
47 const TCollection_AsciiString& theSource);
49 //! Compiles the shader object.
50 Standard_EXPORT Standard_Boolean Compile (const Handle(OpenGl_Context)& theCtx);
52 //! Initializes (loads and compiles) shader object with the specified description.
53 Standard_EXPORT Standard_Boolean Initialize (const Handle(OpenGl_Context)& theCtx,
54 const Handle(Graphic3d_ShaderObject)& theShader);
56 //! Fetches information log of the last compile operation.
57 Standard_EXPORT Standard_Boolean FetchInfoLog (const Handle(OpenGl_Context)& theCtx,
58 TCollection_AsciiString& theLog);
60 //! Creates new empty shader object of specified type.
61 Standard_EXPORT Standard_Boolean Create (const Handle(OpenGl_Context)& theCtx);
63 //! Destroys shader object.
64 Standard_EXPORT virtual void Release (const OpenGl_Context* theCtx);
66 //! Returns type of shader object.
67 GLenum Type() const { return myType; }
71 GLenum myType; //!< Type of OpenGL shader object
72 GLuint myShaderID; //!< Handle of OpenGL shader object
76 DEFINE_STANDARD_RTTI (OpenGl_ShaderObject)
77 friend class OpenGl_ShaderProgram;
81 #endif // _OpenGl_ShaderObject_Header