mirror of https://github.com/Cysharp/UniTask
Add AsyncGPUReadbackRequest await support
neuecc
parent
f0d2ee2beb
commit
1194c38568
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@ -0,0 +1,139 @@
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#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
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using System;
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using System.Threading;
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using UnityEngine.Rendering;
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namespace Cysharp.Threading.Tasks
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{
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public static partial class UnityAsyncExtensions
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{
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#region AsyncGPUReadbackRequest
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public static UniTask<AsyncGPUReadbackRequest>.Awaiter GetAwaiter(this AsyncGPUReadbackRequest asyncOperation)
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{
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return ToUniTask(asyncOperation).GetAwaiter();
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}
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public static UniTask<AsyncGPUReadbackRequest> WithCancellation(this AsyncGPUReadbackRequest asyncOperation, CancellationToken cancellationToken)
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{
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return ToUniTask(asyncOperation, cancellationToken: cancellationToken);
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}
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public static UniTask<AsyncGPUReadbackRequest> ToUniTask(this AsyncGPUReadbackRequest asyncOperation, PlayerLoopTiming timing = PlayerLoopTiming.Update, CancellationToken cancellationToken = default(CancellationToken))
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{
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if (asyncOperation.done) return UniTask.FromResult(asyncOperation);
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return new UniTask<AsyncGPUReadbackRequest>(AsyncGPUReadbackRequestAwaiterConfiguredSource.Create(asyncOperation, timing, cancellationToken, out var token), token);
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}
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sealed class AsyncGPUReadbackRequestAwaiterConfiguredSource : IUniTaskSource<AsyncGPUReadbackRequest>, IPlayerLoopItem, ITaskPoolNode<AsyncGPUReadbackRequestAwaiterConfiguredSource>
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{
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static TaskPool<AsyncGPUReadbackRequestAwaiterConfiguredSource> pool;
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public AsyncGPUReadbackRequestAwaiterConfiguredSource NextNode { get; set; }
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static AsyncGPUReadbackRequestAwaiterConfiguredSource()
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{
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TaskPool.RegisterSizeGetter(typeof(AsyncGPUReadbackRequestAwaiterConfiguredSource), () => pool.Size);
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}
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AsyncGPUReadbackRequest asyncOperation;
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CancellationToken cancellationToken;
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UniTaskCompletionSourceCore<AsyncGPUReadbackRequest> core;
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AsyncGPUReadbackRequestAwaiterConfiguredSource()
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{
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}
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public static IUniTaskSource<AsyncGPUReadbackRequest> Create(AsyncGPUReadbackRequest asyncOperation, PlayerLoopTiming timing, CancellationToken cancellationToken, out short token)
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{
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if (cancellationToken.IsCancellationRequested)
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{
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return AutoResetUniTaskCompletionSource<AsyncGPUReadbackRequest>.CreateFromCanceled(cancellationToken, out token);
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}
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if (!pool.TryPop(out var result))
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{
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result = new AsyncGPUReadbackRequestAwaiterConfiguredSource();
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}
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result.asyncOperation = asyncOperation;
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result.cancellationToken = cancellationToken;
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TaskTracker.TrackActiveTask(result, 3);
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PlayerLoopHelper.AddAction(timing, result);
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token = result.core.Version;
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return result;
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}
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public AsyncGPUReadbackRequest GetResult(short token)
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{
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try
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{
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return core.GetResult(token);
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}
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finally
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{
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TryReturn();
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}
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}
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void IUniTaskSource.GetResult(short token)
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{
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GetResult(token);
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}
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public UniTaskStatus GetStatus(short token)
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{
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return core.GetStatus(token);
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}
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public UniTaskStatus UnsafeGetStatus()
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{
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return core.UnsafeGetStatus();
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}
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public void OnCompleted(Action<object> continuation, object state, short token)
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{
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core.OnCompleted(continuation, state, token);
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}
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public bool MoveNext()
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{
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if (cancellationToken.IsCancellationRequested)
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{
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core.TrySetCanceled(cancellationToken);
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return false;
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}
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if (asyncOperation.hasError)
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{
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core.TrySetException(new Exception("AsyncGPUReadbackRequest.hasError = true"));
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return false;
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}
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if (asyncOperation.done)
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{
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core.TrySetResult(asyncOperation);
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return false;
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}
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return true;
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}
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bool TryReturn()
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{
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TaskTracker.RemoveTracking(this);
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core.Reset();
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asyncOperation = default;
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cancellationToken = default;
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return pool.TryPush(this);
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}
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}
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#endregion
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}
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}
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@ -0,0 +1,11 @@
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fileFormatVersion: 2
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guid: 98f5fedb44749ab4688674d79126b46a
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MonoImporter:
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externalObjects: {}
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {instanceID: 0}
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userData:
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assetBundleName:
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assetBundleVariant:
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@ -15,6 +15,8 @@ using UnityEngine.LowLevel;
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using UnityEngine.Networking;
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using UnityEngine.UI;
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using UnityEngine.SceneManagement;
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using UnityEngine.Rendering;
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using System.IO;
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// using DG.Tweening;
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@ -117,6 +119,8 @@ public class AsyncMessageBroker<T> : IDisposable
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public class SandboxMain : MonoBehaviour
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{
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public Camera camera;
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public Button okButton;
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public Button cancelButton;
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@ -161,6 +165,9 @@ public class SandboxMain : MonoBehaviour
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//setHp = Hp.GetSetter();
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}
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@ -178,10 +185,6 @@ public class SandboxMain : MonoBehaviour
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public Button button;
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void Start2()
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{
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}
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@ -437,29 +440,37 @@ public class SandboxMain : MonoBehaviour
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async void Nanika()
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{
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await UniTask.Yield();
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Debug.Log("Here");
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throw new Exception();
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}
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private void Awake()
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{
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PlayerLoopInfo.Inject();
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PrepareCamera();
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}
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async UniTaskVoid Start()
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{
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//_ = Foo(); // unhandled.
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//Go();
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var cts = new CancellationTokenSource();
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okButton.onClick.AddListener(() =>
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{
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cts.Cancel();
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ShootAsync().Forget();
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});
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// Nanika();
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UnityEngine.Debug.Log("Start:" + PlayerLoopInfo.CurrentLoopType);
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var token = UniTask.Delay(TimeSpan.FromSeconds(3), DelayType.Realtime).ToCancellationToken(cts.Token);
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while (!token.IsCancellationRequested)
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{
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UnityEngine.Debug.Log("in loop");
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await UniTask.Yield();
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}
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UnityEngine.Debug.Log("end");
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// this.GetCancellationTokenOnDestroy()
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//PlayerLoopInfo.Inject();
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@ -974,6 +985,62 @@ public class SandboxMain : MonoBehaviour
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// e.SetObserved();
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// or other custom write code.
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UnityEngine.Debug.LogError("Unobserved:" + e.Exception.ToString());
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}
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// GPU Screenshot Sample
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void PrepareCamera()
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{
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Debug.Log("Support AsyncGPUReadback:" + SystemInfo.supportsAsyncGPUReadback);
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var width = 480;
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var height = 240;
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var depth = 24;
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camera.targetTexture = new RenderTexture(width, height, depth, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default)
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{
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antiAliasing = 8
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};
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camera.enabled = true;
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//myRenderTexture = new RenderTexture(width, height, depth, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default)
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//{
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// antiAliasing = 8
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//};
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}
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RenderTexture myRenderTexture;
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async UniTask ShootAsync()
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{
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var rt = camera.targetTexture;
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var req = await AsyncGPUReadback.Request(rt, 0);
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Debug.Log("GPU Readback done?:" + req.done);
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var rawByteArray = req.GetData<byte>().ToArray();
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var graphicsFormat = rt.graphicsFormat;
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var width = (uint)rt.width;
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var height = (uint)rt.height;
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Debug.Log("BytesSize:" + rawByteArray.Length);
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var imageBytes = ImageConversion.EncodeArrayToPNG(rawByteArray, graphicsFormat, width, height);
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File.WriteAllBytes("my_screenshot.png", imageBytes); // test
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}
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}
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@ -239,6 +239,80 @@ CanvasRenderer:
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m_PrefabAsset: {fileID: 0}
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m_GameObject: {fileID: 16537670}
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m_CullTransparentMesh: 0
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--- !u!1 &518730348
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GameObject:
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m_ObjectHideFlags: 0
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m_CorrespondingSourceObject: {fileID: 0}
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m_PrefabInstance: {fileID: 0}
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m_PrefabAsset: {fileID: 0}
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serializedVersion: 6
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m_Component:
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- component: {fileID: 518730350}
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- component: {fileID: 518730349}
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m_Layer: 0
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m_Name: Camera
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m_TagString: Untagged
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m_Icon: {fileID: 0}
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m_NavMeshLayer: 0
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m_StaticEditorFlags: 0
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m_IsActive: 1
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--- !u!20 &518730349
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Camera:
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m_ObjectHideFlags: 0
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m_CorrespondingSourceObject: {fileID: 0}
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m_PrefabInstance: {fileID: 0}
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m_PrefabAsset: {fileID: 0}
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m_GameObject: {fileID: 518730348}
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m_Enabled: 1
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serializedVersion: 2
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m_ClearFlags: 1
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m_BackGroundColor: {r: 0.19215687, g: 0.3019608, b: 0.4745098, a: 0}
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m_projectionMatrixMode: 1
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m_GateFitMode: 2
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m_FOVAxisMode: 0
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m_SensorSize: {x: 36, y: 24}
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m_LensShift: {x: 0, y: 0}
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m_FocalLength: 50
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m_NormalizedViewPortRect:
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serializedVersion: 2
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x: 0
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y: 0
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width: 1
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height: 1
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near clip plane: 0.3
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far clip plane: 1000
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field of view: 60
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orthographic: 0
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orthographic size: 5
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m_Depth: 0
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m_CullingMask:
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serializedVersion: 2
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m_Bits: 4294967295
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m_RenderingPath: -1
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m_TargetTexture: {fileID: 0}
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m_TargetDisplay: 0
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m_TargetEye: 3
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m_HDR: 1
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m_AllowMSAA: 1
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m_AllowDynamicResolution: 0
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m_ForceIntoRT: 0
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m_OcclusionCulling: 1
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m_StereoConvergence: 10
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m_StereoSeparation: 0.022
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--- !u!4 &518730350
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Transform:
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m_ObjectHideFlags: 0
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m_CorrespondingSourceObject: {fileID: 0}
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m_PrefabInstance: {fileID: 0}
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m_PrefabAsset: {fileID: 0}
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m_GameObject: {fileID: 518730348}
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m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
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m_LocalPosition: {x: 488, y: 418, z: 0}
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m_LocalScale: {x: 1, y: 1, z: 1}
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m_Children: []
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m_Father: {fileID: 0}
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m_RootOrder: 1
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m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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--- !u!1 &519420028
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GameObject:
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m_ObjectHideFlags: 0
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@ -278,9 +352,11 @@ MonoBehaviour:
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m_Script: {fileID: 11500000, guid: f0bc6c75abb2e0b47a25aa49bfd488ed, type: 3}
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m_Name:
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m_EditorClassIdentifier:
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camera: {fileID: 518730349}
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okButton: {fileID: 16537672}
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cancelButton: {fileID: 628393011}
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text: {fileID: 2101290655}
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button: {fileID: 0}
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--- !u!20 &519420031
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Camera:
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m_ObjectHideFlags: 0
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@ -597,7 +673,7 @@ Transform:
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m_LocalScale: {x: 1, y: 1, z: 1}
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m_Children: []
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m_Father: {fileID: 0}
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m_RootOrder: 1
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m_RootOrder: 2
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m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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--- !u!1 &1556045504
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GameObject:
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@ -693,7 +769,7 @@ RectTransform:
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- {fileID: 628393010}
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- {fileID: 2101290654}
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m_Father: {fileID: 0}
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m_RootOrder: 2
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m_RootOrder: 3
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m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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m_AnchorMin: {x: 0, y: 0}
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m_AnchorMax: {x: 0, y: 0}
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