Add basic EGL support

This commit is contained in:
Jérôme Leclercq
2020-09-01 18:46:35 +02:00
parent 07a02ecfcd
commit ef737a8ecd
29 changed files with 1122 additions and 94 deletions

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// 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_EGLCONTEXT_HPP
#define NAZARA_OPENGLRENDERER_EGLCONTEXT_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Core/DynLib.hpp>
#include <Nazara/Platform/WindowHandle.hpp>
#include <Nazara/OpenGLRenderer/Config.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/Context.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLFunctions.hpp>
#include <string>
#include <type_traits>
#include <unordered_set>
namespace Nz::GL
{
class EGLLoader;
// This class isn't called EGLContext to prevent a conflict with EGLContext from EGL
class NAZARA_OPENGLRENDERER_API EGLContextBase : public Context
{
public:
inline EGLContextBase(const OpenGLDevice* device, const EGLLoader& loader);
EGLContextBase(const EGLContextBase&) = delete;
EGLContextBase(EGLContextBase&&) = delete;
~EGLContextBase();
virtual bool Create(const ContextParams& params, const EGLContextBase* shareContext = nullptr);
virtual bool Create(const ContextParams& params, WindowHandle window, const EGLContextBase* shareContext = nullptr);
virtual void Destroy();
void EnableVerticalSync(bool enabled) override;
inline bool HasPlatformExtension(const std::string& str) const;
void SwapBuffers() override;
EGLContextBase& operator=(const EGLContextBase&) = delete;
EGLContextBase& operator=(EGLContextBase&&) = delete;
protected:
bool BindAPI();
bool ChooseConfig(EGLConfig* configs, std::size_t maxConfigCount, std::size_t* configCount);
bool CreateInternal(EGLConfig config, const EGLContextBase* shareContext = nullptr);
bool InitDisplay();
const EGLLoader& m_loader;
EGLDisplay m_display;
EGLSurface m_surface;
private:
bool ImplementFallback(const std::string_view& function) override;
bool Activate() const override;
void Desactivate() const override;
const Loader& GetLoader() override;
bool LoadEGLExt();
struct Fallback
{
using glClearDepthProc = void(*)(double depth);
glClearDepthProc glClearDepth;
};
Fallback fallbacks; //< m_ omitted
std::unordered_set<std::string> m_supportedPlatformExtensions;
EGLContext m_handle;
};
}
#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLContextBase.inl>
#endif

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// 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
#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLContextBase.hpp>
#include <Nazara/OpenGLRenderer/Debug.hpp>
namespace Nz::GL
{
inline EGLContextBase::EGLContextBase(const OpenGLDevice* device, const EGLLoader& loader) :
Context(device),
m_loader(loader),
m_display(EGL_NO_DISPLAY),
m_surface(EGL_NO_SURFACE),
m_handle(EGL_NO_CONTEXT)
{
}
inline bool EGLContextBase::HasPlatformExtension(const std::string& str) const
{
return m_supportedPlatformExtensions.find(str) != m_supportedPlatformExtensions.end();
}
}
#include <Nazara/OpenGLRenderer/DebugOff.hpp>

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// 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_EGLFUNCTIONS_HPP
#define NAZARA_OPENGLRENDERER_EGLFUNCTIONS_HPP
#include <GLES3/gl3.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#define NAZARA_OPENGLRENDERER_FOREACH_EGL_FUNC(func, extBegin, extEnd, extFunc) \
func(eglBindAPI, PFNEGLBINDAPIPROC) \
func(eglChooseConfig, PFNEGLCHOOSECONFIGPROC) \
func(eglCreateContext, PFNEGLCREATECONTEXTPROC) \
func(eglCreatePbufferSurface, PFNEGLCREATEPBUFFERSURFACEPROC) \
func(eglCreateWindowSurface, PFNEGLCREATEWINDOWSURFACEPROC) \
func(eglDestroyContext, PFNEGLDESTROYCONTEXTPROC) \
func(eglDestroySurface, PFNEGLDESTROYSURFACEPROC) \
func(eglGetDisplay, PFNEGLGETDISPLAYPROC) \
func(eglGetError, PFNEGLGETERRORPROC) \
func(eglGetProcAddress, PFNEGLGETPROCADDRESSPROC) \
func(eglInitialize, PFNEGLINITIALIZEPROC) \
func(eglMakeCurrent, PFNEGLMAKECURRENTPROC) \
func(eglQueryString, PFNEGLQUERYSTRINGPROC) \
func(eglSwapBuffers, PFNEGLSWAPBUFFERSPROC) \
func(eglTerminate, PFNEGLTERMINATEPROC)
#endif

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// 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_EGLLOADER_HPP
#define NAZARA_OPENGLRENDERER_EGLLOADER_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Core/DynLib.hpp>
#include <Nazara/OpenGLRenderer/Config.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/Loader.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLContextBase.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLFunctions.hpp>
#include <string>
namespace Nz::GL
{
class NAZARA_OPENGLRENDERER_API EGLLoader : public Loader
{
public:
EGLLoader(DynLib& openglLib);
~EGLLoader() = default;
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;
GLFunction LoadFunction(const char* name) const override;
#define NAZARA_OPENGLRENDERER_FUNC(name, sig) sig name = nullptr;
#define NAZARA_OPENGLRENDERER_EXT_BEGIN(ext)
#define NAZARA_OPENGLRENDERER_EXT_END()
#define NAZARA_OPENGLRENDERER_EXT_FUNC(name, sig)
NAZARA_OPENGLRENDERER_FOREACH_EGL_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
static const char* TranslateError(EGLint errorId);
private:
DynLib m_eglLib;
};
}
#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLLoader.inl>
#endif

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// 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
#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLLoader.hpp>
#include <Nazara/OpenGLRenderer/Debug.hpp>
namespace Nz::Vk
{
}
#include <Nazara/OpenGLRenderer/DebugOff.hpp>