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//
// PipelineLayout.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 System.Collections.Generic;
using System.Linq;
using Vulkan;
using static Vulkan.VulkanNative;
namespace VKE {
public sealed class PipelineLayout : Activable {
internal VkPipelineLayout handle;
public List<DescriptorSetLayout> DescriptorSetLayouts = new List<DescriptorSetLayout> ();
public List<VkPushConstantRange> PushConstantRanges = new List<VkPushConstantRange> ();
public PipelineLayout (Device device) : base (device) { }
public PipelineLayout (Device device, VkPushConstantRange pushConstantRange, params DescriptorSetLayout[] descriptorSetLayouts)
: this (device, descriptorSetLayouts) {
PushConstantRanges.Add (pushConstantRange);
}
public PipelineLayout (Device device, VkPushConstantRange[] pushConstantRanges, params DescriptorSetLayout[] descriptorSetLayouts)
: this (device, descriptorSetLayouts) {
foreach (VkPushConstantRange pcr in pushConstantRanges)
PushConstantRanges.Add (pcr);
}
public PipelineLayout (Device device, params DescriptorSetLayout[] descriptorSetLayouts)
:this (device) {
if (descriptorSetLayouts.Length > 0)
DescriptorSetLayouts.AddRange (descriptorSetLayouts);
}
public void AddPushConstants (params VkPushConstantRange[] pushConstantRanges) {
foreach (VkPushConstantRange pcr in pushConstantRanges)
PushConstantRanges.Add (pcr);
}
public override void Activate () {
if (state != ActivableState.Activated) {
VkPipelineLayoutCreateInfo info = VkPipelineLayoutCreateInfo.New ();
VkDescriptorSetLayout[] dsls = DescriptorSetLayouts.Select (dsl => dsl.handle).ToArray ();
if (dsls.Length > 0) {
info.setLayoutCount = (uint)dsls.Length;
info.pSetLayouts = dsls.Pin ();
}
if (PushConstantRanges.Count > 0) {
info.pushConstantRangeCount = (uint)PushConstantRanges.Count;
info.pPushConstantRanges = PushConstantRanges.Pin();
}
Utils.CheckResult (vkCreatePipelineLayout (dev.VkDev, ref info, IntPtr.Zero, out handle));
dsls.Unpin ();
PushConstantRanges.Unpin ();
}
base.Activate ();
}
#region IDisposable Support
protected override void Dispose (bool disposing) {
if (!disposing)
System.Diagnostics.Debug.WriteLine ("VKE Activable PipelineLayout disposed by finalizer");
if (state == ActivableState.Activated)
vkDestroyPipelineLayout (dev.VkDev, handle, IntPtr.Zero);
base.Dispose (disposing);
}
#endregion
}
}
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