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