private bool isDeviceSuitable(VkPhysicalDevice physicalDevice)
{
QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
bool extensionsSupported = checkDeviceExtensionsSupport(physicalDevice);
bool swapChainAdequate = false;
if (extensionsSupported)
{
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice);
swapChainAdequate = swapChainSupport.formats.Any() && swapChainSupport.presentModes.Any();
}
return(indices.isComplete() && extensionsSupported && swapChainAdequate);
}
private QueueFamilyIndices findQueueFamilies(VkPhysicalDevice device)
{
QueueFamilyIndices indices = new QueueFamilyIndices();
int queueFamilyCount = 0;
Vulkan.vkGetPhysicalDeviceQueueFamilyProperties(device, ref queueFamilyCount, null);
VkQueueFamilyProperties[] queueFamilies = new VkQueueFamilyProperties[queueFamilyCount];
Vulkan.vkGetPhysicalDeviceQueueFamilyProperties(device, ref queueFamilyCount, queueFamilies);
int i = 0;
foreach (var queueFamily in queueFamilies)
{
if (queueFamily.queueCount > 0 && (queueFamily.queueFlags & VkQueueFlagBits.VK_QUEUE_GRAPHICS_BIT) > 0)
{
indices.graphicsFamily = i;
}
bool presentSupport = false;
Vulkan.vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, out presentSupport);
if (queueFamily.queueCount > 0 && presentSupport)
{
indices.presentFamily = i;
}
if (indices.isComplete())
{
break;
}
i++;
}
return(indices);
}