private static (GraphicsDevice gd, Swapchain sc) CreateDeviceAndSwapchain(
Sdl2Window window,
VRContext vrc,
GraphicsBackend backend,
GraphicsDeviceOptions gdo)
{
if (backend == GraphicsBackend.Vulkan)
{
(string[] instance, string[] device) = vrc.GetRequiredVulkanExtensions();
var vdo = new VulkanDeviceOptions(instance, device);
var gd = GraphicsDevice.CreateVulkan(gdo, vdo);
var swd = new SwapchainDescription(
VeldridStartup.GetSwapchainSource(window),
(uint)window.Width, (uint)window.Height,
gdo.SwapchainDepthFormat, gdo.SyncToVerticalBlank, true);
var sc = gd.ResourceFactory.CreateSwapchain(swd);
return(gd, sc);
}
else
{
var gd = VeldridStartup.CreateGraphicsDevice(window, gdo, backend);
var sc = gd.MainSwapchain;
return(gd, sc);
}
}
public static unsafe GraphicsDevice CreateVulkanGraphicsDevice(
GraphicsDeviceOptions options,
Sdl2Window window,
bool colorSrgb)
{
SwapchainDescription scDesc = new SwapchainDescription(
GetSwapchainSource(window),
(uint)window.Width,
(uint)window.Height,
options.SwapchainDepthFormat,
options.SyncToVerticalBlank,
colorSrgb);
VulkanDeviceOptions vkopts = new VulkanDeviceOptions();
vkopts.InstanceExtensions = new string[] { "VK_KHR_get_physical_device_properties2" };
vkopts.DeviceExtensions = new string[] { "VK_KHR_maintenance3", "VK_EXT_descriptor_indexing" };
GraphicsDevice gd = GraphicsDevice.CreateVulkan(options, scDesc, vkopts);
return(gd);
}
