87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
// Copyright (C) 2024 Jérôme "SirLynix" 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 Export.hpp
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#include <Nazara/OpenGLRenderer/Wrapper/Win32/EGLContextWin32.hpp>
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#include <Nazara/OpenGLRenderer/Wrapper/EGL/EGLLoader.hpp>
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namespace Nz::GL
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{
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bool EGLContextWin32::Create(const ContextParams& params, const EGLContextBase* shareContext)
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{
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// It seems context sharing between pbuffer context and window context doesn't work, create an hidden window to handle this
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HWNDHandle window(::CreateWindowA("STATIC", nullptr, WS_DISABLED | WS_POPUP, 0, 0, 1, 1, nullptr, nullptr, GetModuleHandle(nullptr), nullptr));
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if (!window)
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{
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NazaraErrorFmt("failed to create dummy window: {0}", Error::GetLastSystemError());
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return false;
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}
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::ShowWindow(window.get(), FALSE);
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WindowHandle windowHandle;
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windowHandle.type = WindowBackend::Windows;
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windowHandle.windows.window = window.get();
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if (!Create(params, windowHandle, shareContext))
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return false;
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m_ownedWindow = std::move(window);
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return true;
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}
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bool EGLContextWin32::Create(const ContextParams& params, WindowHandle window, const EGLContextBase* shareContext)
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{
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assert(window.type == WindowBackend::Windows);
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Destroy(); //< In case a previous display or surface hasn't been released
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m_params = params;
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if (!BindAPI())
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return false;
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HWND windowHandle = static_cast<HWND>(window.windows.window);
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/*HDC deviceContext = ::GetDC(windowHandle);
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if (!deviceContext)
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{
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NazaraErrorFmt("failed to retrieve window device context: {0}", Error::GetLastSystemError());
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return false;
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}
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m_display = m_loader.GetDefaultDisplay();
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if (!InitDisplay())
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return false;*/
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m_display = m_loader.GetDefaultDisplay();
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std::size_t configCount;
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std::array<EGLConfig, 0xFF> configs;
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if (!ChooseConfig(configs.data(), configs.size(), &configCount))
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return false;
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EGLint surfaceAttributes[] = {
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EGL_NONE
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};
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std::size_t configIndex = 0;
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for (; configIndex < configCount; ++configIndex)
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{
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m_surface = m_loader.eglCreateWindowSurface(m_display, configs[configIndex], windowHandle, surfaceAttributes);
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if (m_surface)
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break;
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}
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return CreateInternal(configs[configIndex], shareContext);
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}
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void EGLContextWin32::Destroy()
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{
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EGLContextBase::Destroy();
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m_ownedWindow.reset();
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}
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}
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#include <Nazara/Core/AntiWindows.hpp>
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