private unsafe void CreateDescriptorPool(uint maxSets)
{
Device device = _renderer.Params.Device;
AllocationCallbacks *allocator = (AllocationCallbacks *)_renderer.Params.AllocationCallbacks.ToPointer();
Vk vk = _renderer.Vk;
DescriptorPoolSize *descriptorPoolSizes = stackalloc DescriptorPoolSize[]
{
new DescriptorPoolSize()
{
DescriptorCount = 2, // vertex and fragment shader
Type = DescriptorType.UniformBuffer
},
new DescriptorPoolSize()
{
DescriptorCount = 1, // Image
Type = DescriptorType.CombinedImageSampler
}
};
DescriptorPoolCreateInfo descriptorPoolCreateInfo = new()
{
SType = StructureType.DescriptorPoolCreateInfo,
MaxSets = maxSets,
PoolSizeCount = 2,
PPoolSizes = descriptorPoolSizes
};
_renderer.AssertVulkan(vk.CreateDescriptorPool(device, descriptorPoolCreateInfo, allocator, out _pool));
}
internal void ToNative(out Native native, DescriptorPoolSize *poolSizes)
{
native.Type = StructureType.DescriptorPoolCreateInfo;
native.Next = IntPtr.Zero;
native.Flags = Flags;
native.MaxSets = MaxSets;
native.PoolSizeCount = PoolSizes?.Length ?? 0;
native.PoolSizes = poolSizes;
}
public DescriptorPoolCreateInfo
(
StructureType sType = StructureType.DescriptorPoolCreateInfo,
void *pNext = default,
DescriptorPoolCreateFlags flags = default,
uint maxSets = default,
uint poolSizeCount = default,
DescriptorPoolSize *pPoolSizes = default
)
{
SType = sType;
PNext = pNext;
Flags = flags;
MaxSets = maxSets;
PoolSizeCount = poolSizeCount;
PPoolSizes = pPoolSizes;
}
public DescriptorPoolCreateInfo
(
StructureType?sType = StructureType.DescriptorPoolCreateInfo,
void *pNext = null,
DescriptorPoolCreateFlags?flags = null,
uint?maxSets = null,
uint?poolSizeCount = null,
DescriptorPoolSize *pPoolSizes = null
) : this()
{
if (sType is not null)
{
SType = sType.Value;
}
if (pNext is not null)
{
PNext = pNext;
}
if (flags is not null)
{
Flags = flags.Value;
}
if (maxSets is not null)
{
MaxSets = maxSets.Value;
}
if (poolSizeCount is not null)
{
PoolSizeCount = poolSizeCount.Value;
}
if (pPoolSizes is not null)
{
PPoolSizes = pPoolSizes;
}
}
