EglContext.h

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/*
Copyright 2007-2025. Algoryx Simulation AB.
 
All AGX source code, intellectual property, documentation, sample code,
tutorials, scene files and technical white papers, are copyrighted, proprietary
and confidential material of Algoryx Simulation AB. You may not download, read,
store, distribute, publish, copy or otherwise disseminate, use or expose this
material unless having a written signed agreement with Algoryx Simulation AB, or having been
advised so by Algoryx Simulation AB for a time limited evaluation, or having purchased a
valid commercial license from Algoryx Simulation AB.
 
Algoryx Simulation AB disclaims all responsibilities for loss or damage caused
from using this software, unless otherwise stated in written agreements with
Algoryx Simulation AB.
*/
 
#pragma once
 
#include <agx/config/AGX_USE_EGL.h>
 
#if AGX_USE_EGL()
 
#include <EGL/egl.h>
#include <EGL/eglext.h>
 
#undef Status
#undef Bool
#undef Convex
 
 
#include <agx/PushDisableWarnings.h>
#include <osg/GraphicsContext>
#include <agx/PopDisableWarnings.h>
 
namespace agxOSG
{
 
  class EglContext : public osg::GraphicsContext
  {
    public:
      EglContext(osg::GraphicsContext::Traits* traits);
 
      virtual bool isSameKindAs(const Object* object) const;
 
      virtual const char* libraryName() const;
      virtual const char* className() const;
 
      virtual bool valid() const;
 
      virtual bool realizeImplementation();
 
      virtual bool isRealizedImplementation() const;
 
      virtual void closeImplementation();
 
      virtual bool makeCurrentImplementation();
 
      virtual bool makeContextCurrentImplementation(osg::GraphicsContext* readContext);
 
      virtual bool releaseContextImplementation();
 
      virtual void bindPBufferToTextureImplementation(GLenum buffer);
 
      virtual void swapBuffersImplementation();
 
    protected:
      ~EglContext();
 
      void init();
 
      void queryDevices();
      EGLDisplay getDisplayFromDevice( EGLDeviceEXT dev );
 
      EGLSurface m_eglSurface;
      EGLDisplay m_eglDisplay;
      EGLContext m_eglContext;
 
      EGLDeviceEXT* m_eglDevices;
 
      agx::Int32   m_numDevices;
 
      bool m_valid;
      bool m_initialized;
      bool m_realized;
 
  };
 
}
 
#endif