public VulkanSurfaceRenderTarget(VulkanPlatformInterface platformInterface, VulkanSurface surface)
{
_platformInterface = platformInterface;
var device = VulkanInitialization.CreateDevice(platformInterface.Api,
platformInterface.PhysicalDevice.InternalHandle,
platformInterface.PhysicalDevice.QueueFamilyIndex,
VulkanInitialization.GetSupportedExtensions(platformInterface.Api, platformInterface.PhysicalDevice.InternalHandle),
platformInterface.PhysicalDevice.QueueCount);
Device = new VulkanDevice(device, platformInterface.PhysicalDevice, platformInterface.Api);
Display = VulkanDisplay.CreateDisplay(
platformInterface.Instance,
Device,
platformInterface.PhysicalDevice,
surface);
Surface = surface;
// Skia seems to only create surfaces from images with unorm format
IsRgba = Display.SurfaceFormat.Format >= Format.R8G8B8A8Unorm &&
Display.SurfaceFormat.Format <= Format.R8G8B8A8Srgb;
_format = IsRgba ? Format.R8G8B8A8Unorm : Format.B8G8R8A8Unorm;
}
private VulkanPhysicalDevice(PhysicalDevice apiHandle, Vk api, uint queueCount, uint queueFamilyIndex)
{
InternalHandle = apiHandle;
Api = api;
QueueCount = queueCount;
QueueFamilyIndex = queueFamilyIndex;
api.GetPhysicalDeviceProperties(apiHandle, out var properties);
DeviceName = Marshal.PtrToStringAnsi((IntPtr)properties.DeviceName);
DeviceId = VulkanInitialization.StringFromIdPair(properties.VendorID, properties.DeviceID);
var version = (Version32)properties.ApiVersion;
ApiVersion = new Version((int)version.Major, (int)version.Minor, 0, (int)version.Patch);
}
internal static VulkanPhysicalDevice FindSuitablePhysicalDevice(VulkanInstance instance,
VulkanSurface surface, bool preferDiscreteGpu, string preferredDevice)
{
SelectAvailableDevices(instance, surface, preferDiscreteGpu, preferredDevice);
uint queueFamilyIndex = 0;
uint queueCount = 0;
if (!string.IsNullOrWhiteSpace(preferredDevice))
{
var physicalDevice = SuitableDevices.FirstOrDefault(x => VulkanInitialization.StringFromIdPair(x.Value.VendorID, x.Value.DeviceID) == preferredDevice);
queueFamilyIndex = FindSuitableQueueFamily(instance.Api, physicalDevice.Key,
surface.ApiHandle, out queueCount);
if (queueFamilyIndex != int.MaxValue)
{
return(new VulkanPhysicalDevice(physicalDevice.Key, instance.Api, queueCount, queueFamilyIndex));
}
}
if (preferDiscreteGpu)
{
var discreteGpus = SuitableDevices.Where(p => p.Value.DeviceType == PhysicalDeviceType.DiscreteGpu);
foreach (var gpu in discreteGpus)
{
queueFamilyIndex = FindSuitableQueueFamily(instance.Api, gpu.Key,
surface.ApiHandle, out queueCount);
if (queueFamilyIndex != int.MaxValue)
{
return(new VulkanPhysicalDevice(gpu.Key, instance.Api, queueCount, queueFamilyIndex));
}
}
}
foreach (var physicalDevice in SuitableDevices)
{
queueFamilyIndex = FindSuitableQueueFamily(instance.Api, physicalDevice.Key,
surface.ApiHandle, out queueCount);
if (queueFamilyIndex != int.MaxValue)
{
return(new VulkanPhysicalDevice(physicalDevice.Key, instance.Api, queueCount, queueFamilyIndex));
}
}
throw new Exception("No suitable physical device found");
}
