AndroidGlDisplayService.h

// Copyright eeGeo Ltd (2017), All Rights Reserved

#pragma once

#include "IAndroidGlDisplayService.h"
#include "Types.h"
#include "AndroidSharedGlContextUsageGuard.h"

namespace Eegeo
{
    namespace Android
    {
        namespace Sdk
        {
            class AndroidGlDisplayService : public Eegeo::Android::Sdk::IAndroidGlDisplayService, private Eegeo::NonCopyable
            {
            public:

                AndroidGlDisplayService(
                                        const Eegeo::Android::Sdk::INativeWindowProvider& nativeWindowProvider,
                                        float deviceDpi,
                                        float devicePixelScale,
                                        const std::string &imageResolutionSuffix);
                ~AndroidGlDisplayService();

                bool TryBindDisplay();
                void ReleaseDisplay(bool destroyEGL);

                bool IsDisplayAvailable() const;
                int GetDisplayWidth() const;
                int GetDisplayHeight() const;
                EGLDisplay GetDisplay() const;
                EGLSurface GetSurface() const;
                EGLSurface GetSharedSurface() const;
                EGLContext GetContext() const;
                EGLContext GetResourceBuildSharedContext() const;
                float GetDeviceDpi() const;
                float GetDevicePixelScale() const;
                std::string GetImageResolutionSuffix() const;

                GlDisplayServiceChangedEvent& ChangedEvent() const { return *m_changedEvent; }
                IAndroidSharedGlContextUsageGuard& GetSharedGlContextUsageGuard() const { return *m_pGuard; }

            private:

                EGLDisplay m_display;
                EGLSurface m_surface;
                EGLSurface m_sharedSurface;
                EGLContext m_context;
                EGLContext m_resourceBuildSharedContext;
                int m_displayWidth;
                int m_displayHeight;
                bool m_displayBound;
                float m_deviceDpi;
                float m_devicePixelScale;
                std::string m_imageResolutionSuffix;

                GlDisplayServiceChangedEvent* m_changedEvent;

                const Eegeo::Android::Sdk::INativeWindowProvider& m_nativeWindowProvider;
                IAndroidSharedGlContextUsageGuard* m_pGuard;
            };
        }
    }
}