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OpenSpace/include/openspace/rendering/renderablevolumegl.h

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/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __RENDERABLEVOLUMEGL_H__
#define __RENDERABLEVOLUMEGL_H__
// open space includes
#include <openspace/rendering/renderablevolume.h>
// ghoul includes
#include <ghoul/opengl/programobject.h>
#include <ghoul/opengl/texture.h>
#include <ghoul/opengl/framebufferobject.h>
#include <ghoul/io/rawvolumereader.h>
#include <ghoul/filesystem/file.h>
#define SGCT_WINDOWS_INCLUDE
#include <sgct.h>
#ifdef __APPLE__
#include <memory>
#else
#include <mutex>
#endif
namespace sgct_utils {
class SGCTBox;
}
namespace openspace {
class RenderableVolumeGL: public RenderableVolume {
public:
// constructors & destructor
RenderableVolumeGL(const ghoul::Dictionary& dictionary);
~RenderableVolumeGL();
bool initialize();
bool deinitialize();
virtual void render(const Camera *camera, const psc& thisPosition);
virtual void update();
private:
std::string _filename;
ghoul::RawVolumeReader::ReadHints _hints;
float _stepSize;
ghoul::opengl::FramebufferObject* _fbo;
ghoul::opengl::Texture* _backTexture;
ghoul::opengl::Texture* _frontTexture;
ghoul::opengl::Texture* _volume;
ghoul::opengl::ProgramObject *_fboProgram, *_twopassProgram;
sgct_utils::SGCTBox* _boundingBox;
GLuint _screenQuad;
std::mutex* _shaderMutex;
ghoul::filesystem::File* _vertexSourceFile;
ghoul::filesystem::File* _fragmentSourceFile;
bool _programUpdateOnSave;
void safeShaderCompilation();
};
} // namespace openspace
#endif