78 lines
2.4 KiB
C++
78 lines
2.4 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_WEB_WEBCONTEXT_HPP
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#define NAZARA_OPENGLRENDERER_WRAPPER_WEB_WEBCONTEXT_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 <NazaraUtils/StringHash.hpp>
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#include <emscripten/html5.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 WebLoader;
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class NAZARA_OPENGLRENDERER_API WebContext : public Context
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{
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public:
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inline WebContext(const OpenGLDevice* device, const WebLoader& loader);
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WebContext(const WebContext&) = delete;
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WebContext(WebContext&&) = delete;
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~WebContext();
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virtual bool Create(const ContextParams& params, const WebContext* shareContext = nullptr);
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virtual bool Create(const ContextParams& params, WindowHandle window, const WebContext* shareContext = nullptr);
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virtual void Destroy();
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PresentModeFlags GetSupportedPresentModes() const override;
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inline bool HasPlatformExtension(std::string_view str) const;
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void SetPresentMode(PresentMode presentMode) override;
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void SwapBuffers() override;
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WebContext& operator=(const WebContext&) = delete;
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WebContext& operator=(WebContext&&) = delete;
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protected:
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bool ChooseConfig(EmscriptenWebGLContextAttributes* configs, std::size_t maxConfigCount, std::size_t* configCount);
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bool CreateInternal(EmscriptenWebGLContextAttributes config, const WebContext* shareContext = nullptr);
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const WebLoader& m_loader;
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private:
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bool ImplementFallback(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 LoadExt();
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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, StringHash<>, std::equal_to<>> m_supportedPlatformExtensions;
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EMSCRIPTEN_WEBGL_CONTEXT_HANDLE m_handle;
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};
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}
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#include <Nazara/OpenGLRenderer/Wrapper/Web/WebContext.inl>
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#endif // NAZARA_OPENGLRENDERER_WRAPPER_WEB_WEBCONTEXT_HPP
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