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//
// DescriptorPool.cs
//
// Author:
// Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// Copyright (c) 2019 jp
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using Vulkan;
using static Vulkan.VulkanNative;
namespace VKE {
public class DescriptorPool : IDisposable {
internal VkDescriptorPool handle;
internal Device dev;
public uint MaxSets;
public NativeList<VkDescriptorPoolSize> PoolSizes = new NativeList<VkDescriptorPoolSize> ();
public DescriptorPool (Device device, uint maxSets = 1) {
dev = device;
MaxSets = maxSets;
}
public DescriptorPool (Device device, uint maxSets = 1, params VkDescriptorPoolSize[] poolSizes)
: this (device, maxSets) {
foreach (VkDescriptorPoolSize poolSize in poolSizes)
PoolSizes.Add (poolSize);
Activate ();
}
public void Activate () {
if (isDisposed) {
GC.ReRegisterForFinalize (this);
isDisposed = false;
}
VkDescriptorPoolCreateInfo info = VkDescriptorPoolCreateInfo.New ();
info.poolSizeCount = PoolSizes.Count;
info.pPoolSizes = PoolSizes.Data;
info.maxSets = MaxSets;
Utils.CheckResult (vkCreateDescriptorPool (dev.VkDev, ref info, IntPtr.Zero, out handle));
}
/// <summary>
/// Create and allocate a new DescriptorSet
/// </summary>
public DescriptorSet Allocate (params DescriptorSetLayout[] layouts) {
DescriptorSet ds = new DescriptorSet (this, layouts);
Allocate (ds);
return ds;
}
public unsafe void Allocate (DescriptorSet descriptorSet) {
VkDescriptorSetAllocateInfo allocInfo = VkDescriptorSetAllocateInfo.New ();
allocInfo.descriptorPool = handle;
allocInfo.descriptorSetCount = descriptorSet.descriptorSetLayouts.Count;
allocInfo.pSetLayouts = (VkDescriptorSetLayout*)descriptorSet.descriptorSetLayouts.Data.ToPointer ();
Utils.CheckResult (vkAllocateDescriptorSets (dev.VkDev, ref allocInfo, out descriptorSet.handle));
}
public void FreeDescriptorSet (params DescriptorSet[] descriptorSets) {
if (descriptorSets.Length == 1) {
Utils.CheckResult (vkFreeDescriptorSets (dev.VkDev, handle, 1, ref descriptorSets[0].handle));
return;
}
using (NativeList<VkDescriptorSet> dSets = new NativeList<VkDescriptorSet> ((uint)descriptorSets.Length)) {
foreach (DescriptorSet ds in descriptorSets)
dSets.Add (ds.handle);
Utils.CheckResult (vkFreeDescriptorSets (dev.VkDev, handle, dSets.Count, dSets.Data));
}
}
public void Reset () {
Utils.CheckResult (vkResetDescriptorPool (dev.VkDev, handle, 0));
}
#region IDisposable Support
private bool isDisposed = false; // Pour détecter les appels redondants
protected virtual void Dispose (bool disposing) {
if (!isDisposed) {
if (disposing) {
PoolSizes.Dispose ();
} else
System.Diagnostics.Debug.WriteLine ("A descriptorPool has not been disposed.");
dev.DestroyDescriptorPool (handle);
isDisposed = true;
}
}
~DescriptorPool () {
Dispose (false);
}
public void Dispose () {
Dispose (true);
GC.SuppressFinalize (this);
}
#endregion
}
}
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