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Initial commit of ResInsight version 0.4.8

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Alf B. Rustad
2012-05-18 09:45:23 +02:00
parent a680bf941e
commit dfe97efb1b
657 changed files with 176690 additions and 0 deletions
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161
VisualizationModules/LibRender/cvfRenderbufferObject.cpp Normal file
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//##################################################################################################
//
// 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.
//
//##################################################################################################
#include "cvfBase.h"
#include "cvfRenderbufferObject.h"
#include "cvfOpenGL.h"
#include "cvfOglRc.h"
#include "cvfOpenGLResourceManager.h"
namespace cvf {
//==================================================================================================
///
/// \class cvf::RenderbufferObject
/// \ingroup Render
///
/// Encapsulates an OpenGL renderbuffer object
///
//==================================================================================================
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RenderbufferObject::RenderbufferObject(InternalFormat format, uint width, uint height)
: Object(),
m_interalFormat(format),
m_width(width),
m_height(height),
m_versionTick(1)
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RenderbufferObject::~RenderbufferObject()
{
// Just release our reference
CVF_ASSERT(OglRc::isSafeToRelease(m_oglRcBuffer.p()));
m_oglRcBuffer = NULL;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
OglId RenderbufferObject::renderbufferOglId() const
{
return OglRc::safeOglId(m_oglRcBuffer.p());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
uint RenderbufferObject::versionTick() const
{
return m_versionTick;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderbufferObject::setSize(uint width, uint height)
{
// Forget existing buffer
CVF_ASSERT(OglRc::isSafeToRelease(m_oglRcBuffer.p()));
m_oglRcBuffer = NULL;
m_width = width;
m_height = height;
m_versionTick++;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RenderbufferObject::create(OpenGLContext* oglContext)
{
CVF_CALLSITE_OPENGL(oglContext);
CVF_CLEAR_OGL_ERROR(oglContext);
m_oglRcBuffer = oglContext->resourceManager()->createOglRcRenderbuffer(oglContext);
OglId myOglId = OglRc::safeOglId(m_oglRcBuffer.p());
glBindRenderbuffer(GL_RENDERBUFFER, myOglId);
glRenderbufferStorage(GL_RENDERBUFFER, intenalFormatOpenGL(), static_cast<GLsizei>(m_width), static_cast<GLsizei>(m_height));
if (CVF_TEST_AND_REPORT_OPENGL_ERROR(oglContext, "Allocate render buffer storage"))
{
deleteRenderbuffer(oglContext);
return false;
}
m_versionTick++;
return true;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderbufferObject::deleteRenderbuffer(OpenGLContext* oglContext)
{
CVF_ASSERT(oglContext);
if (m_oglRcBuffer.notNull())
{
m_oglRcBuffer->deleteResource(oglContext);
CVF_CHECK_OGL(oglContext);
CVF_ASSERT(OglRc::isSafeToRelease(m_oglRcBuffer.p()));
m_oglRcBuffer = NULL;
}
m_versionTick++;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvfGLenum RenderbufferObject::intenalFormatOpenGL() const
{
switch(m_interalFormat)
{
case RGBA: return GL_RGBA;
case DEPTH_COMPONENT16: return GL_DEPTH_COMPONENT16;
#ifndef CVF_OPENGL_ES
case DEPTH_COMPONENT24: return GL_DEPTH_COMPONENT24;
case DEPTH_COMPONENT32: return GL_DEPTH_COMPONENT32;
case DEPTH24_STENCIL8: return GL_DEPTH24_STENCIL8;
#endif
}
CVF_FAIL_MSG("Illegal renderbuffer format");
return GL_RGBA;
}
} // namespace cvf