private bool IsPhysicalDeviceSuitable(VkPhysicalDevice physicalDevice)
{
QueueFamilyIndices indices = this.FindQueueFamilies(physicalDevice);
bool extensionsSupported = this.CheckPhysicalDeviceExtensionSupport(physicalDevice);
// acquire Raytracing features
VkPhysicalDeviceRayTracingFeaturesKHR rayTracingFeatures = new VkPhysicalDeviceRayTracingFeaturesKHR()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RAY_TRACING_FEATURES_KHR,
pNext = null,
};
VkPhysicalDeviceFeatures2 deviceFeatures2 = new VkPhysicalDeviceFeatures2()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2,
pNext = &rayTracingFeatures,
};
VulkanNative.vkGetPhysicalDeviceFeatures2(physicalDevice, &deviceFeatures2);
extensionsSupported = extensionsSupported && rayTracingFeatures.rayTracing;
bool swapChainAdequate = false;
if (extensionsSupported)
{
SwapChainSupportDetails swapChainSupport = this.QuerySwapChainSupport(physicalDevice);
swapChainAdequate = (swapChainSupport.formats.Length != 0 && swapChainSupport.presentModes.Length != 0);
}
return(indices.IsComplete() && extensionsSupported && swapChainAdequate);
}
private void FindQueueFamilies(PhysicalDevice device, out QueueFamilyIndices indices)
{
indices = new QueueFamilyIndices();
var families = QuerryQueueFamilyProperties(device);
for (int i = 0; i < families.Length; ++i)
{
ref QueueFamilyProperties queueFamily = ref families[i];
const QueueFlags GraphicsQueueBits = QueueFlags.QueueGraphicsBit | QueueFlags.QueueTransferBit;
if ((queueFamily.QueueFlags & GraphicsQueueBits) == GraphicsQueueBits)
{
indices.GraphicsFamily = (uint)i;
}
var res = VkSurface.GetPhysicalDeviceSurfaceSupport(device, (uint)i, this.WindowSurface, out var presentSupport);
if (res == Result.Success && presentSupport)
{
indices.PresentFamily = (uint)i;
}
if (indices.IsComplete())
{
break;
}
}
private bool IsPhysicalDeviceSuitable(VkPhysicalDevice physicalDevice)
{
QueueFamilyIndices indices = this.FindQueueFamilies(physicalDevice);
bool extensionsSupported = this.CheckPhysicalDeviceExtensionSupport(physicalDevice);
bool swapChainAdequate = false;
if (extensionsSupported)
{
SwapChainSupportDetails swapChainSupport = this.QuerySwapChainSupport(physicalDevice);
swapChainAdequate = (swapChainSupport.formats.Length != 0 && swapChainSupport.presentModes.Length != 0);
}
return(indices.IsComplete() && extensionsSupported && swapChainAdequate);
}
private QueueFamilyIndices FindQueueFamilies(VkPhysicalDevice physicalDevice)
{
QueueFamilyIndices indices = default;
uint queueFamilyCount = 0;
VulkanNative.vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, null);
VkQueueFamilyProperties *queueFamilies = stackalloc VkQueueFamilyProperties[(int)queueFamilyCount];
VulkanNative.vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, queueFamilies);
for (uint i = 0; i < queueFamilyCount; i++)
{
var queueFamily = queueFamilies[i];
if ((queueFamily.queueFlags & VkQueueFlags.VK_QUEUE_GRAPHICS_BIT) != 0)
{
indices.graphicsFamily = i;
}
VkBool32 presentSupport = false;
Helpers.CheckErrors(VulkanNative.vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice, i, this.surface, &presentSupport));
if (presentSupport)
{
indices.presentFamily = i;
}
if (indices.IsComplete())
{
break;
}
}
return(indices);
}
private bool IsDeviceSuitable(VkPhysicalDevice physicalDevice)
{
QueueFamilyIndices indices = this.FindQueueFamilies(physicalDevice);
return(indices.IsComplete());
}
private bool IsDeviceSuitable(PhysicalDevice device, out QueueFamilyIndices indices)
{
FindQueueFamilies(device, out indices);
return(indices.IsComplete() && HasAllRequiredExtensions(device) && IsSwapchainSupportAdequate(device));
}