wehub-resource-sync
95 lines
3.0 KiB
C#
95 lines
3.0 KiB
C#
using SharpDX;
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namespace Lib.render._dx11.buffer;
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[Guid("c036b4f2-97bf-40f1-b4d5-c2067a4fa97f")]
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internal sealed class IntsToBufferWithViews : Instance<IntsToBufferWithViews>
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{
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[Output(Guid = "54b2df2e-3cc4-4dac-99d6-44a37842be60")]
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public readonly Slot<BufferWithViews> OutBuffer = new();
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[Output(Guid = "49508B09-B6A4-47D1-91E7-A68D72614A3F")]
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public readonly Slot<ShaderResourceView> Srv = new();
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[Output(Guid = "cd3f349f-97f8-48d0-9719-41ecd16c440b")]
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public readonly Slot<int> Length = new();
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public IntsToBufferWithViews()
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{
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OutBuffer.UpdateAction = Update;
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Srv.UpdateAction = Update;
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Length.UpdateAction = Update;
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}
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private void Update(EvaluationContext context)
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{
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var connectedInputs = Lists.GetCollectedTypedInputs();
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var connectedInputsCount = connectedInputs.Count;
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if (connectedInputsCount == 0)
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{
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OutBuffer.Value = null;
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Length.Value = 0;
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return;
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}
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Lists.DirtyFlag.Clear();
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if(_intList.NumElements != connectedInputsCount)
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_intList = new StructuredList<int>(connectedInputsCount);
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for (var index = 0; index < connectedInputsCount; index++)
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{
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var value = connectedInputs[index].GetValue(context);
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_intList.TypedElements[index] = value;
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}
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var totalSizeInBytes = connectedInputsCount * 4;
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using var data = new DataStream(totalSizeInBytes, true, true);
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data.Position = 0;
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_intList.WriteToStream(data);
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data.Position = 0;
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try
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{
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ResourceManager.SetupStructuredBuffer(data,
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totalSizeInBytes,
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4,
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ref _buffer);
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}
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catch (Exception e)
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{
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Log.Error("Failed to setup structured buffer " + e.Message, this);
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return;
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}
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Length.Value = connectedInputsCount;
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_bufferWithViews.Buffer = _buffer;
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ResourceManager.CreateStructuredBufferSrv(_buffer, ref _bufferWithViews.Srv);
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ResourceManager.CreateStructuredBufferUav(_buffer, UnorderedAccessViewBufferFlags.None, ref _bufferWithViews.Uav);
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OutBuffer.Value = _bufferWithViews;
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Srv.Value = _bufferWithViews.Srv;
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OutBuffer.DirtyFlag.Clear();
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Srv.DirtyFlag.Clear();
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Length.DirtyFlag.Clear();
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}
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private StructuredList<int> _intList = new(1);
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[StructLayout(LayoutKind.Explicit, Size = 1 * 4)]
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public struct Integer
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{
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[FieldOffset(0 * 4)]
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public int Value;
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}
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private Buffer _buffer;
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private readonly BufferWithViews _bufferWithViews = new();
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[Input(Guid = "FC2F2627-889E-469B-B57D-C9B855883759")]
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public readonly MultiInputSlot<int> Lists = new();
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} |