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~ WIP port emscripen (WebGL)

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This commit is contained in:
REMqb
2022-08-14 21:46:16 +02:00
committed by Jérôme Leclercq
parent 304bf35c08
commit f172330aaf
27 changed files with 721 additions and 36 deletions
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2
include/Nazara/Core/DynLib.hpp
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@@ -16,6 +16,8 @@
#define NAZARA_DYNLIB_EXTENSION ".dll"
#elif defined(NAZARA_PLATFORM_LINUX)
#define NAZARA_DYNLIB_EXTENSION ".so"
#elif defined(NAZARA_PLATFORM_WEB)
#define NAZARA_DYNLIB_EXTENSION ".wasm"
#elif defined(NAZARA_PLATFORM_MACOS)
#define NAZARA_DYNLIB_EXTENSION ".dylib"
#else

76
include/Nazara/OpenGLRenderer/Wrapper/Web/WebContext.hpp Normal file
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@@ -0,0 +1,76 @@
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// 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_WRAPPER_WEB_WEBCONTEXT_HPP
#define NAZARA_OPENGLRENDERER_WRAPPER_WEB_WEBCONTEXT_HPP
#include <emscripten/html5.h>
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Core/DynLib.hpp>
#include <Nazara/OpenGLRenderer/Config.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/Context.hpp>
#include <Nazara/Platform/WindowHandle.hpp>
#include <string>
#include <type_traits>
#include <unordered_set>
namespace Nz::GL
{
class WebLoader;
class NAZARA_OPENGLRENDERER_API WebContext : public Context
{
public:
inline WebContext(const OpenGLDevice* device, const WebLoader& loader);
WebContext(const WebContext&) = delete;
WebContext(WebContext&&) = delete;
~WebContext();
virtual bool Create(const ContextParams& params, const WebContext* shareContext = nullptr);
virtual bool Create(const ContextParams& params, WindowHandle window, const WebContext* shareContext = nullptr);
virtual void Destroy();
void EnableVerticalSync(bool enabled) override;
inline bool HasPlatformExtension(const std::string& str) const;
void SwapBuffers() override;
WebContext& operator=(const WebContext&) = delete;
WebContext& operator=(WebContext&&) = delete;
protected:
bool ChooseConfig(EmscriptenWebGLContextAttributes* configs, std::size_t maxConfigCount, std::size_t* configCount);
bool CreateInternal(EmscriptenWebGLContextAttributes config, const WebContext* shareContext = nullptr);
const WebLoader& m_loader;
private:
bool ImplementFallback(const std::string_view& function) override;
bool Activate() const override;
void Desactivate() const override;
const Loader& GetLoader() override;
bool LoadExt();
struct Fallback
{
using glClearDepthProc = void(*)(double depth);
glClearDepthProc glClearDepth;
};
Fallback fallbacks; //< m_ omitted
std::unordered_set<std::string> m_supportedPlatformExtensions;
static EMSCRIPTEN_WEBGL_CONTEXT_HANDLE s_handle;
static size_t s_handleCounter;
bool m_ownsDisplay;
};
}
#include <Nazara/OpenGLRenderer/Wrapper/Web/WebContext.inl>
#endif // NAZARA_OPENGLRENDERER_WRAPPER_WEB_WEBCONTEXT_HPP

24
include/Nazara/OpenGLRenderer/Wrapper/Web/WebContext.inl Normal file
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@@ -0,0 +1,24 @@
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - OpenGL renderer"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/OpenGLRenderer/Wrapper/Web/WebContext.hpp>
#include <Nazara/OpenGLRenderer/Debug.hpp>
namespace Nz::GL
{
inline WebContext::WebContext(const OpenGLDevice* device, const WebLoader& loader) :
Context(device),
m_loader(loader),
//m_handle(0),
m_ownsDisplay(false)
{
}
inline bool WebContext::HasPlatformExtension(const std::string& str) const
{
return m_supportedPlatformExtensions.find(str) != m_supportedPlatformExtensions.end();
}
}
#include <Nazara/OpenGLRenderer/DebugOff.hpp>

40
include/Nazara/OpenGLRenderer/Wrapper/Web/WebLoader.hpp Normal file
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@@ -0,0 +1,40 @@
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// 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_WRAPPER_WEB_WEBLOADER_HPP
#define NAZARA_OPENGLRENDERER_WRAPPER_WEB_WEBLOADER_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/OpenGLRenderer/Config.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/Loader.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/Web/WebContext.hpp>
#include <string>
namespace Nz::GL
{
class NAZARA_OPENGLRENDERER_API WebLoader : public Loader
{
struct SymbolLoader;
friend SymbolLoader;
public:
std::unique_ptr<Context> CreateContext(const OpenGLDevice* device, const ContextParams& params, Context* shareContext) const override;
std::unique_ptr<Context> CreateContext(const OpenGLDevice* device, const ContextParams& params, WindowHandle handle, Context* shareContext) const override;
ContextType GetPreferredContextType() const override;
GLFunction LoadFunction(const char* name) const override;
static const char* TranslateError(EMSCRIPTEN_RESULT errorId);
private:
bool ImplementFallback(const std::string_view& function);
};
}
#include <Nazara/OpenGLRenderer/Wrapper/Web/WebLoader.inl>
#endif // NAZARA_OPENGLRENDERER_WRAPPER_WEB_WEBLOADER_HPP

12
include/Nazara/OpenGLRenderer/Wrapper/Web/WebLoader.inl Normal file
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@@ -0,0 +1,12 @@
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - OpenGL renderer"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/OpenGLRenderer/Wrapper/Web/WebLoader.hpp>
#include <Nazara/OpenGLRenderer/Debug.hpp>
namespace Nz::GL
{
}
#include <Nazara/OpenGLRenderer/DebugOff.hpp>

6
include/Nazara/Platform/WindowHandle.hpp
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@@ -19,7 +19,8 @@ namespace Nz
Cocoa,
X11,
Wayland,
Windows
Windows,
Web
};
struct WindowHandle
@@ -39,7 +40,7 @@ namespace Nz
unsigned long window; //< Window
} x11;
struct
struct
{
void* display; //< wl_display*
void* surface; //< wl_surface*
@@ -50,6 +51,7 @@ namespace Nz
{
void* window; //< HWND
} windows;
};
};
}

43
include/Nazara/Utility/BasicMainloop.hpp Normal file
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@@ -0,0 +1,43 @@
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Utility module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_BASIC_MAINLOOP_HPP
#define NAZARA_BASIC_MAINLOOP_HPP
#include <Nazara/Renderer.hpp>
#ifdef NAZARA_PLATFORM_WEB
#include <emscripten/html5.h>
#endif
namespace Nz
{
template <typename CallbackT>
void BasicMainloop(RenderWindow& window, CallbackT&& callback)
{
#ifndef NAZARA_PLATFORM_WEB
while (window.IsOpen())
{
callback();
}
#else
emscripten_set_main_loop_arg([] (void* callbackInstance)
{
try
{
(*static_cast<decltype(&callback)>(callbackInstance))();
}
catch(std::exception e)
{
NazaraDebug(e.what());
}
}, &callback, 0, 1);
#endif
}
}
#endif // NAZARA_BASIC_MAINLOOP_HPP