f146661a76
The metal view backing the MoltenVK compatibility wrapper is written in Obj-C. It would have been possible to use the Objective-C runtime in C++ but the code is less performant (the symbol binding is done at first use instead of the beginning of the program) and actually harder to get right. Note that MoltenVK is not linked to the loader, so the libMoltenVK.dylib object must be available for loading.
99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Vulkan renderer"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/VulkanRenderer/VulkanSurface.hpp>
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#include <Nazara/VulkanRenderer/Vulkan.hpp>
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#include <vulkan/vk_sdk_platform.h>
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#include <Nazara/VulkanRenderer/Debug.hpp>
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#ifdef VK_USE_PLATFORM_METAL_EXT
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#include <objc/runtime.h>
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#include <vulkan/vulkan_metal.h>
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#endif
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namespace Nz
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{
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#ifdef VK_USE_PLATFORM_METAL_EXT
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id CreateAndAttachMetalLayer(void* window);
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#endif
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VulkanSurface::VulkanSurface() :
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m_surface(Vulkan::GetInstance())
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{
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}
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bool VulkanSurface::Create(WindowHandle handle)
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{
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bool success = false;
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#if defined(NAZARA_PLATFORM_WINDOWS)
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{
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NazaraAssert(handle.type == WindowBackend::Windows, "expected Windows window");
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HWND winHandle = reinterpret_cast<HWND>(handle.windows.window);
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HINSTANCE instance = reinterpret_cast<HINSTANCE>(GetWindowLongPtrW(winHandle, GWLP_HINSTANCE));
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success = m_surface.Create(instance, winHandle);
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}
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#elif defined(NAZARA_PLATFORM_LINUX)
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{
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switch (handle.type)
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{
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#ifdef VK_USE_PLATFORM_WAYLAND_KHR
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case WindowBackend::Wayland:
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{
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wl_display* display = static_cast<wl_display*>(handle.wayland.display);
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wl_surface* surface = static_cast<wl_surface*>(handle.wayland.surface);
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success = m_surface.Create(display, surface);
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break;
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}
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#endif
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#ifdef VK_USE_PLATFORM_XLIB_KHR
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case WindowBackend::X11:
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{
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Display* display = static_cast<Display*>(handle.x11.display);
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::Window window = static_cast<::Window>(handle.x11.window);
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success = m_surface.Create(display, window);
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break;
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}
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#endif
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default:
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{
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NazaraError("unhandled window type");
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return false;
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}
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}
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}
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#elif defined(NAZARA_PLATFORM_MACOS)
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{
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NazaraAssert(handle.type == WindowBackend::Cocoa, "expected cocoa window");
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id layer = CreateAndAttachMetalLayer(handle.cocoa.window);
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success = m_surface.Create(layer);
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}
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#else
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#error This OS is not supported by Vulkan
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#endif
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if (!success)
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{
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NazaraError("Failed to create Vulkan surface: " + TranslateVulkanError(m_surface.GetLastErrorCode()));
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return false;
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}
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return true;
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}
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void VulkanSurface::Destroy()
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{
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m_surface.Destroy();
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}
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}
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#if defined(NAZARA_PLATFORM_WINDOWS)
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#include <Nazara/Core/AntiWindows.hpp>
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#endif
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