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// Copyright (c) 2019-2021 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Runtime.InteropServices;
using static Vulkan.Vk;
using static Vulkan.Utils;
namespace Vulkan {
public static class VulkanExtensionMethods {
#region instance
public static bool TryGetPhysicalDevice (this VkInstance inst, VkPhysicalDeviceType deviceType, out VkPhysicalDevice phy) {
CheckResult (vkEnumeratePhysicalDevices (inst, out uint phyCount, IntPtr.Zero));
VkPhysicalDevice[] phys = new VkPhysicalDevice[phyCount];
CheckResult (vkEnumeratePhysicalDevices (inst, out phyCount, phys.Pin()));
for (int i = 0; i < phys.Length; i++)
{
phy = phys[i];
vkGetPhysicalDeviceProperties (phy, out VkPhysicalDeviceProperties props);
if (props.deviceType == deviceType)
return true;
}
phy = default;
return false;
}
#endregion
#region Physical device
public static VkQueueFamilyProperties[] GetQueueFamilyProperties (this VkPhysicalDevice phy) {
vkGetPhysicalDeviceQueueFamilyProperties (phy, out uint queueFamilyCount, IntPtr.Zero);
VkQueueFamilyProperties[] qFamProps = new VkQueueFamilyProperties[queueFamilyCount];
vkGetPhysicalDeviceQueueFamilyProperties (phy, out queueFamilyCount, qFamProps.Pin());
qFamProps.Unpin();
return qFamProps;
}
public static VkSurfaceFormatKHR [] GetSurfaceFormats (this VkPhysicalDevice phy, VkSurfaceKHR surf)
{
vkGetPhysicalDeviceSurfaceFormatsKHR (phy, surf, out uint count, IntPtr.Zero);
VkSurfaceFormatKHR [] formats = new VkSurfaceFormatKHR [count];
vkGetPhysicalDeviceSurfaceFormatsKHR (phy, surf, out count, formats.Pin ());
formats.Unpin ();
return formats;
}
public static VkPresentModeKHR[] GetSurfacePresentModes (this VkPhysicalDevice phy, VkSurfaceKHR surf) {
vkGetPhysicalDeviceSurfacePresentModesKHR (phy, surf, out uint count, IntPtr.Zero);
VkPresentModeKHR[] modes = new VkPresentModeKHR[count];
vkGetPhysicalDeviceSurfacePresentModesKHR (phy, surf, out count, modes.Pin ());
modes.Unpin ();
return modes;
}
#endregion
}
}
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