public unsafe DescriptorPool(DescriptorLayout layout, uint maxSets)
{
_device = layout.Device;
_layout = layout;
_maxSets = maxSets;
var poolSizes = new List <VkDescriptorPoolSize>();
foreach (var binding in layout.Bindings)
{
var poolSizeIndex = poolSizes.FindIndex(
p => p.type == binding.DescriptorType
);
if (poolSizeIndex == -1)
{
poolSizes.Add(new VkDescriptorPoolSize
{
type = binding.DescriptorType,
descriptorCount = binding.DescriptorCounts
});
}
else
{
poolSizes[poolSizeIndex] = new VkDescriptorPoolSize
{
type = binding.DescriptorType,
descriptorCount = (
poolSizes[poolSizeIndex].descriptorCount +
binding.DescriptorCounts
)
};
}
}
var vulkanPoolSizes = new NativeList <VkDescriptorPoolSize>();
foreach (var p in poolSizes)
{
vulkanPoolSizes.Add(p);
}
var createInfo = new VkDescriptorPoolCreateInfo
{
sType = VkStructureType.DescriptorPoolCreateInfo,
maxSets = maxSets,
poolSizeCount = vulkanPoolSizes.Count,
pPoolSizes = (VkDescriptorPoolSize *)vulkanPoolSizes.Data.ToPointer()
};
VkDescriptorPool descriptorPool;
if (VulkanNative.vkCreateDescriptorPool(
_device.Handle,
&createInfo,
null,
&descriptorPool
) != VkResult.Success)
{
throw new Exception("failed to create descriptor pool");
}
_handle = descriptorPool;
}
