Initial commit of ResInsight version 0.4.8

VisualizationModules/LibRender/cvfRenderbufferObject.h

@@ -0,0 +1,71 @@
+//##################################################################################################
+//
+//   Custom Visualization Core library
+//   Copyright (C) 2011-2012 Ceetron AS
+//    
+//   This library is free software: you can redistribute it and/or modify 
+//   it under the terms of the GNU General Public License as published by 
+//   the Free Software Foundation, either version 3 of the License, or 
+//   (at your option) any later version. 
+//    
+//   This library is distributed in the hope that it will be useful, but WITHOUT ANY 
+//   WARRANTY; without even the implied warranty of MERCHANTABILITY or 
+//   FITNESS FOR A PARTICULAR PURPOSE.   
+//    
+//   See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>> 
+//   for more details. 
+//
+//##################################################################################################
+
+#pragma once
+
+#include "cvfObject.h"
+#include "cvfOpenGLTypes.h"
+
+namespace cvf {
+
+class OpenGLContext;
+class OglRcRenderbuffer;
+
+
+//==================================================================================================
+//
+// Wrapper for OpenGL Renderbuffer Object
+//
+//==================================================================================================
+class RenderbufferObject : public Object
+{
+public:
+    enum InternalFormat
+    {
+        RGBA,
+        DEPTH_COMPONENT16,
+        DEPTH_COMPONENT24,
+        DEPTH_COMPONENT32,
+        DEPTH24_STENCIL8
+    };
+
+public:
+    RenderbufferObject(InternalFormat format, uint width, uint height);
+    ~RenderbufferObject();
+
+    void    setSize(uint width, uint height);
+
+    bool    create(OpenGLContext* oglContext);
+    void    deleteRenderbuffer(OpenGLContext* oglContext);
+
+    OglId   renderbufferOglId() const;
+    uint    versionTick() const;
+
+private:
+    cvfGLenum       intenalFormatOpenGL() const;
+
+private:
+    InternalFormat          m_interalFormat;
+    uint                    m_width;
+    uint                    m_height;
+    uint                    m_versionTick;              // Versioning to be able to detect changes
+    ref<OglRcRenderbuffer>  m_oglRcBuffer;		        // 
+};
+
+}