NazaraEngine/include/Nazara/OpenGLRenderer/Wrapper/Win32/WGLContext.hpp

86 lines
2.7 KiB
C++

// Copyright (C) 2020 Jérôme Leclercq
// This file is part of the "Nazara Engine - OpenGL Renderer"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_OPENGLRENDERER_WGLCONTEXT_HPP
#define NAZARA_OPENGLRENDERER_WGLCONTEXT_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Core/DynLib.hpp>
#include <Nazara/Platform/WindowHandle.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/Context.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/Win32/Win32Helper.hpp>
#include <string>
#include <type_traits>
#include <unordered_set>
#undef WIN32_LEAN_AND_MEAN //< Redefined by OpenGL header (ty Khronos)
#include <Nazara/OpenGLRenderer/Wrapper/Win32/WGLFunctions.hpp>
namespace Nz::GL
{
class WGLLoader;
class WGLContext : public Context
{
public:
inline WGLContext(const OpenGLDevice* device, const WGLLoader& loader);
WGLContext(const WGLContext&) = delete;
WGLContext(WGLContext&&) = delete;
~WGLContext();
bool Create(const WGLContext* baseContext, const ContextParams& params, const WGLContext* shareContext = nullptr);
bool Create(const WGLContext* baseContext, const ContextParams& params, WindowHandle window, const WGLContext* shareContext = nullptr);
void Destroy();
void EnableVerticalSync(bool enabled) override;
inline bool HasPlatformExtension(const std::string& str) const;
void SwapBuffers() override;
WGLContext& operator=(const WGLContext&) = delete;
WGLContext& operator=(WGLContext&&) = delete;
private:
bool CreateInternal(const WGLContext* baseContext, const ContextParams& params, const WGLContext* shareContext = nullptr);
bool ImplementFallback(const std::string_view& function) override;
bool Activate() const override;
void Desactivate() const override;
const Loader& GetLoader() override;
bool LoadWGLExt();
bool SetPixelFormat();
#define NAZARA_OPENGLRENDERER_FUNC(name, sig)
#define NAZARA_OPENGLRENDERER_EXT_BEGIN(ext)
#define NAZARA_OPENGLRENDERER_EXT_END()
#define NAZARA_OPENGLRENDERER_EXT_FUNC(name, sig) sig name = nullptr;
NAZARA_OPENGLRENDERER_FOREACH_WGL_FUNC(NAZARA_OPENGLRENDERER_FUNC, NAZARA_OPENGLRENDERER_EXT_BEGIN, NAZARA_OPENGLRENDERER_EXT_END, NAZARA_OPENGLRENDERER_EXT_FUNC)
#undef NAZARA_OPENGLRENDERER_EXT_BEGIN
#undef NAZARA_OPENGLRENDERER_EXT_END
#undef NAZARA_OPENGLRENDERER_EXT_FUNC
#undef NAZARA_OPENGLRENDERER_FUNC
struct Fallback
{
using glClearDepthProc = void(*)(double depth);
glClearDepthProc glClearDepth;
};
Fallback fallbacks; //< m_ omitted
std::unordered_set<std::string> m_supportedPlatformExtensions;
const WGLLoader& m_loader;
HDC m_deviceContext;
HGLRC m_handle;
HWNDHandle m_window;
};
}
#include <Nazara/OpenGLRenderer/Wrapper/Win32/WGLContext.inl>
#endif