86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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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_WRAPPER_EGL_EGLCONTEXTBASE_HPP
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#define NAZARA_OPENGLRENDERER_WRAPPER_EGL_EGLCONTEXTBASE_HPP
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#include <NazaraUtils/Prerequisites.hpp>
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#include <Nazara/Core/DynLib.hpp>
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#include <Nazara/OpenGLRenderer/Config.hpp>
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#include <Nazara/OpenGLRenderer/Wrapper/Context.hpp>
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#include <Nazara/Platform/WindowHandle.hpp>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <string>
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#include <type_traits>
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#include <unordered_set>
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namespace Nz::GL
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{
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class EGLLoader;
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// This class isn't called EGLContext to prevent a conflict with EGLContext from EGL
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class NAZARA_OPENGLRENDERER_API EGLContextBase : public Context
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{
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public:
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inline EGLContextBase(const OpenGLDevice* device, const EGLLoader& loader);
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EGLContextBase(const EGLContextBase&) = delete;
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EGLContextBase(EGLContextBase&&) = delete;
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~EGLContextBase();
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virtual bool Create(const ContextParams& params, const EGLContextBase* shareContext = nullptr);
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virtual bool Create(const ContextParams& params, WindowHandle window, const EGLContextBase* shareContext = nullptr);
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virtual void Destroy();
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PresentModeFlags GetSupportedPresentModes() const override;
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inline bool HasPlatformExtension(const std::string& str) const;
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void SetPresentMode(PresentMode presentMode) override;
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void SwapBuffers() override;
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EGLContextBase& operator=(const EGLContextBase&) = delete;
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EGLContextBase& operator=(EGLContextBase&&) = delete;
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protected:
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bool BindAPI();
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bool ChooseConfig(EGLConfig* configs, std::size_t maxConfigCount, std::size_t* configCount);
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bool CreateInternal(EGLConfig config, const EGLContextBase* shareContext = nullptr);
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bool InitDisplay();
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const EGLLoader& m_loader;
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EGLDisplay m_display;
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EGLSurface m_surface;
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private:
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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 LoadEGLExt();
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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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EGLContext m_handle;
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EGLint m_maxSwapInterval;
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EGLint m_minSwapInterval;
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bool m_ownsDisplay;
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};
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}
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#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLContextBase.inl>
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#endif // NAZARA_OPENGLRENDERER_WRAPPER_EGL_EGLCONTEXTBASE_HPP
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