display.hpp

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#pragma once
#ifndef EGLPLUS_DISPLAY_1305291005_HPP
#define EGLPLUS_DISPLAY_1305291005_HPP

#include <eglplus/eglfunc.hpp>
#include <eglplus/error/basic.hpp>

namespace eglplus {

class EGLInitializer;

class Display;
::EGLDisplay GetEGLHandle(const Display&);

class Display
{
private:
    ::EGLDisplay _handle;

    friend ::EGLDisplay GetEGLHandle(const Display&);
public:

    Display(void)
     : _handle(EGLPLUS_EGLFUNC(GetDisplay)(EGL_DEFAULT_DISPLAY))
    {
        EGLPLUS_CHECK_SIMPLE(GetDisplay);
    }


    Display(::EGLNativeDisplayType display_id)
     : _handle(EGLPLUS_EGLFUNC(GetDisplay)(display_id))
    {
        EGLPLUS_CHECK_SIMPLE(GetDisplay);
    }


    bool SwapInterval(EGLint interval)
    {
        EGLBoolean result = EGLPLUS_EGLFUNC(SwapInterval)(
            _handle,
            interval
        );
        EGLPLUS_CHECK_SIMPLE(SwapInterval);
        return result == EGL_TRUE;
    }


    bool ReleaseContext(void)
    {
        EGLBoolean result = EGLPLUS_EGLFUNC(MakeCurrent)(
            _handle,
            EGL_NO_SURFACE,
            EGL_NO_SURFACE,
            EGL_NO_CONTEXT
        );
        EGLPLUS_CHECK_SIMPLE(MakeCurrent);
        return result == EGL_TRUE;
    }
};

inline ::EGLDisplay GetEGLHandle(const Display& display)
{
    return display._handle;
}

} // namespace eglplus

#endif // include guard