Files
NazaraEngine/src/Nazara/OpenGLRenderer/OpenGLRenderer.cpp
2024-01-02 12:02:14 +01:00

136 lines
3.5 KiB
C++

// Copyright (C) 2024 Jérôme "SirLynix" 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/OpenGLRenderer.hpp>
#include <Nazara/Core/ErrorFlags.hpp>
#include <Nazara/OpenGLRenderer/OpenGLSwapchain.hpp>
#include <Nazara/Renderer/RenderDevice.hpp>
#include <Nazara/Renderer/Swapchain.hpp>
#include <cassert>
#include <sstream>
#if defined(NAZARA_PLATFORM_WINDOWS) || defined(NAZARA_PLATFORM_LINUX)
#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLLoader.hpp>
#endif
#if defined(NAZARA_PLATFORM_WEB)
#include <Nazara/OpenGLRenderer/Wrapper/Web/WebLoader.hpp>
#endif
#ifdef NAZARA_PLATFORM_WINDOWS
#include <Nazara/OpenGLRenderer/Wrapper/WGL/WGLLoader.hpp>
#endif
#include <Nazara/OpenGLRenderer/Debug.hpp>
namespace Nz
{
OpenGLRenderer::~OpenGLRenderer()
{
// Free device before loader
m_device.reset();
}
std::shared_ptr<RenderDevice> OpenGLRenderer::InstanciateRenderDevice([[maybe_unused]] std::size_t deviceIndex, const RenderDeviceFeatures& enabledFeatures)
{
assert(deviceIndex == 0);
// For now, since we have to create a device to know its features, supported features are always reported as enabled
// We still call ValidateFeatures in order to trigger warnings if requested features are not supported
// TODO: Report disabled features as disabled (make OpenGLDeviceProxy?)
RenderDeviceFeatures validatedFeatures = enabledFeatures;
OpenGLDevice::ValidateFeatures(m_device->GetEnabledFeatures(), validatedFeatures);
return m_device;
}
bool OpenGLRenderer::Prepare(const Renderer::Config& config)
{
std::unique_ptr<GL::Loader> loader = SelectLoader(config);
if (!loader)
{
NazaraError("failed to initialize OpenGL loader");
return false;
}
m_loader = std::move(loader);
m_device = std::make_shared<OpenGLDevice>(*m_loader, config);
m_deviceInfos.emplace_back(m_device->GetDeviceInfo());
return true;
}
std::unique_ptr<GL::Loader> OpenGLRenderer::SelectLoader(const Renderer::Config& config)
{
#ifdef NAZARA_PLATFORM_WINDOWS
try
{
return std::make_unique<GL::WGLLoader>(config);
}
catch (const std::exception& e)
{
NazaraWarning(std::string("Failed to load WGL: ") + e.what());
}
#endif
#if defined(NAZARA_PLATFORM_WINDOWS) || defined(NAZARA_PLATFORM_LINUX)
try
{
return std::make_unique<GL::EGLLoader>(config);
}
catch (const std::exception& e)
{
NazaraWarning(std::string("Failed to load EGL: ") + e.what());
}
#endif
#if defined(NAZARA_PLATFORM_WEB)
try
{
return std::make_unique<GL::WebLoader>();
}
catch (const std::exception& e)
{
NazaraWarning(std::string("Failed to load WebGL: ") + e.what());
}
#endif
return {};
}
RenderAPI OpenGLRenderer::QueryAPI() const
{
return (m_device->GetReferenceContext().GetParams().type == GL::ContextType::OpenGL) ? RenderAPI::OpenGL : RenderAPI::OpenGL_ES;
}
std::string OpenGLRenderer::QueryAPIString() const
{
const auto& params = m_device->GetReferenceContext().GetParams();
std::ostringstream ss;
ss << "OpenGL";
if (params.type == GL::ContextType::OpenGL_ES)
ss << " ES";
ss << " renderer " << params.glMajorVersion << "." << params.glMinorVersion;
return ss.str();
}
UInt32 OpenGLRenderer::QueryAPIVersion() const
{
return 300;
}
const std::vector<RenderDeviceInfo>& OpenGLRenderer::QueryRenderDevices() const
{
return m_deviceInfos;
}
}
#if defined(NAZARA_PLATFORM_WINDOWS)
#include <Nazara/Core/AntiWindows.hpp>
#endif