NazaraEngine/include/Nazara/OpenGLRenderer/Wrapper/DeviceObject.inl

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C++

// Copyright (C) 2021 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/DeviceObject.hpp>
#include <Nazara/Core/Error.hpp>
#include <Nazara/Core/ErrorFlags.hpp>
#include <Nazara/OpenGLRenderer/OpenGLDevice.hpp>
#include <Nazara/OpenGLRenderer/Utils.hpp>
#include <Nazara/OpenGLRenderer/Debug.hpp>
namespace Nz::GL
{
template<typename C, GLenum ObjectType, typename... CreateArgs>
DeviceObject<C, ObjectType, CreateArgs...>::DeviceObject(OpenGLDevice& device, CreateArgs... args)
{
ErrorFlags errFlags(ErrorMode::ThrowException);
Create(device, args...);
}
template<typename C, GLenum ObjectType, typename... CreateArgs>
DeviceObject<C, ObjectType, CreateArgs...>::~DeviceObject()
{
Destroy();
}
template<typename C, GLenum ObjectType, typename... CreateArgs>
bool DeviceObject<C, ObjectType, CreateArgs...>::Create(OpenGLDevice& device, CreateArgs... args)
{
Destroy();
m_device = &device;
const Context& context = EnsureDeviceContext();
m_objectId = C::CreateHelper(*m_device, context, args...);
if (m_objectId == InvalidObject)
{
NazaraError("Failed to create OpenGL object"); //< TODO: Handle error message
return false;
}
return true;
}
template<typename C, GLenum ObjectType, typename... CreateArgs>
void DeviceObject<C, ObjectType, CreateArgs...>::Destroy()
{
if (IsValid())
{
const Context& context = EnsureDeviceContext();
C::DestroyHelper(*m_device, context, m_objectId);
m_objectId = InvalidObject;
}
}
template<typename C, GLenum ObjectType, typename... CreateArgs>
const Context& DeviceObject<C, ObjectType, CreateArgs...>::EnsureDeviceContext() const
{
assert(m_device);
const Context* activeContext = Context::GetCurrentContext();
if (!activeContext || activeContext->GetDevice() != m_device)
{
const Context& referenceContext = m_device->GetReferenceContext();
if (!Context::SetCurrentContext(&referenceContext))
throw std::runtime_error("failed to activate context");
return referenceContext;
}
return *activeContext;
}
template<typename C, GLenum ObjectType, typename... CreateArgs>
bool DeviceObject<C, ObjectType, CreateArgs...>::IsValid() const
{
return m_objectId != InvalidObject;
}
template<typename C, GLenum ObjectType, typename... CreateArgs>
OpenGLDevice* DeviceObject<C, ObjectType, CreateArgs...>::GetDevice() const
{
return m_device;
}
template<typename C, GLenum ObjectType, typename... CreateArgs>
GLuint DeviceObject<C, ObjectType, CreateArgs...>::GetObjectId() const
{
return m_objectId;
}
template<typename C, GLenum ObjectType, typename... CreateArgs>
void DeviceObject<C, ObjectType, CreateArgs...>::SetDebugName(const std::string_view& name)
{
const Context& context = EnsureDeviceContext();
if (context.glObjectLabel)
context.glObjectLabel(ObjectType, m_objectId, name.size(), name.data());
}
}
#include <Nazara/OpenGLRenderer/DebugOff.hpp>