spk_wgl_context.hpp

#pragma once
 
#include <Windows.h>
 
#include "structure/opengl/spk_view_region.hpp"
#include "structure/win32/spk_window.hpp"
 
namespace spk
{
    namespace OpenGL
    {
        class WglContext
        {
        public:
            struct Version
            {
                size_t major = 4;
                size_t minor = 5;
            };
 
        private:
            ViewRegion _viewRegion;
 
            using HandleDeviceContext = HDC;
            using HandleRenderingContext = HGLRC;
 
            Win32::Window &_window;
            HandleDeviceContext _hdc;
            HandleRenderingContext _hglrc;
 
            void _setPixelFormatToDevice(HandleDeviceContext p_hdc);
            spk::Extend2D _getClientSize();
 
        public:
            WglContext(Win32::Window &p_window, Version p_version);
 
            ~WglContext();
 
            WglContext(const WglContext &) = delete;
            WglContext &operator=(const WglContext &) = delete;
            WglContext(WglContext &&) = delete;
            WglContext &operator=(WglContext &&) = delete;

            void makeCurrent();
            void releaseCurrent();

            void clear();
            void resize(const spk::Extend2D &p_extend2D);
            void swap();

            HandleDeviceContext deviceContext() const noexcept;
            HandleRenderingContext renderingContext() const noexcept;
        };
    }
}