1434 lines
62 KiB
C#
1434 lines
62 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine.Assertions;
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namespace UnityEngine.Rendering.PostProcessing
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{
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#if (ENABLE_VR_MODULE && ENABLE_VR)
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using XRSettings = UnityEngine.XR.XRSettings;
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#endif
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/// <summary>
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/// This is the component responsible for rendering post-processing effects. It must be put on
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/// every camera you want post-processing to be applied to.
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/// </summary>
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#if UNITY_2018_3_OR_NEWER
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[ExecuteAlways]
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#else
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[ExecuteInEditMode]
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#endif
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[DisallowMultipleComponent, ImageEffectAllowedInSceneView]
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[AddComponentMenu("Rendering/Post-process Layer", 1000)]
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[RequireComponent(typeof(Camera))]
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public sealed class PostProcessLayer : MonoBehaviour
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{
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/// <summary>
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/// Builtin anti-aliasing methods.
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/// </summary>
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public enum Antialiasing
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{
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/// <summary>
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/// No anti-aliasing.
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/// </summary>
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None,
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/// <summary>
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/// Fast Approximate Anti-aliasing (FXAA). Fast but low quality.
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/// </summary>
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FastApproximateAntialiasing,
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/// <summary>
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/// Subpixel Morphological Anti-aliasing (SMAA). Slower but higher quality than FXAA.
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/// </summary>
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SubpixelMorphologicalAntialiasing,
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/// <summary>
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/// Temporal Anti-aliasing (TAA). As fast as SMAA but generally higher quality. Because
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/// of it's temporal nature, it can introduce ghosting artifacts on fast moving objects
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/// in highly contrasted areas.
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/// </summary>
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TemporalAntialiasing
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}
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/// <summary>
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/// This is transform that will be drive the volume blending feature. In some cases you may
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/// want to use a transform other than the camera, e.g. for a top down game you'll want the
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/// player character to drive the blending instead of the actual camera transform.
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/// Setting this field to <c>null</c> will disable local volumes for this layer (global ones
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/// will still work).
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/// </summary>
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public Transform volumeTrigger;
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/// <summary>
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/// A mask of layers to consider for volume blending. It allows you to do volume filtering
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/// and is especially useful to optimize volume traversal. You should always have your
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/// volumes in dedicated layers instead of the default one for best performances.
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/// </summary>
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public LayerMask volumeLayer;
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/// <summary>
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/// If <c>true</c>, it will kill any invalid / NaN pixel and replace it with a black color
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/// before post-processing is applied. It's generally a good idea to keep this enabled to
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/// avoid post-processing artifacts cause by broken data in the scene.
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/// </summary>
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public bool stopNaNPropagation = true;
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/// <summary>
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/// If <c>true</c>, it will render straight to the backbuffer and save the final blit done
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/// by the engine. This has less overhead and will improve performance on lower-end platforms
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/// (like mobiles) but breaks compatibility with legacy image effect that use OnRenderImage.
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/// </summary>
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public bool finalBlitToCameraTarget = false;
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/// <summary>
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/// The anti-aliasing method to use for this camera. By default it's set to <c>None</c>.
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/// </summary>
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public Antialiasing antialiasingMode = Antialiasing.None;
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/// <summary>
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/// Temporal Anti-aliasing settings for this camera.
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/// </summary>
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public TemporalAntialiasing temporalAntialiasing;
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/// <summary>
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/// Subpixel Morphological Anti-aliasing settings for this camera.
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/// </summary>
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public SubpixelMorphologicalAntialiasing subpixelMorphologicalAntialiasing;
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/// <summary>
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/// Fast Approximate Anti-aliasing settings for this camera.
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/// </summary>
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public FastApproximateAntialiasing fastApproximateAntialiasing;
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/// <summary>
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/// Fog settings for this camera.
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/// </summary>
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public Fog fog;
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Dithering dithering;
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/// <summary>
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/// The debug layer is reponsible for rendering debugging information on the screen. It will
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/// only be used if this layer is referenced in a <see cref="PostProcessDebug"/> component.
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/// </summary>
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/// <seealso cref="PostProcessDebug"/>
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public PostProcessDebugLayer debugLayer;
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[SerializeField]
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PostProcessResources m_Resources;
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// Some juggling needed to track down reference to the resource asset when loaded from asset
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// bundle (guid conflict)
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[NonSerialized]
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PostProcessResources m_OldResources;
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// UI states
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[UnityEngine.Scripting.Preserve]
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[SerializeField]
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bool m_ShowToolkit;
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[UnityEngine.Scripting.Preserve]
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[SerializeField]
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bool m_ShowCustomSorter;
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/// <summary>
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/// If <c>true</c>, it will stop applying post-processing effects just before color grading
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/// is applied. This is used internally to export to EXR without color grading.
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/// </summary>
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public bool breakBeforeColorGrading = false;
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// Pre-ordered custom user effects
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// These are automatically populated and made to work properly with the serialization
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// system AND the editor. Modify at your own risk.
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/// <summary>
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/// A wrapper around bundles to allow their serialization in lists.
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/// </summary>
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[Serializable]
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public sealed class SerializedBundleRef
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{
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/// <summary>
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/// The assembly qualified name used for serialization as we can't serialize the types
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/// themselves.
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/// </summary>
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public string assemblyQualifiedName; // We only need this at init time anyway so it's fine
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/// <summary>
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/// A reference to the bundle itself.
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/// </summary>
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public PostProcessBundle bundle; // Not serialized, is set/reset when deserialization kicks in
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}
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[SerializeField]
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List<SerializedBundleRef> m_BeforeTransparentBundles;
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[SerializeField]
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List<SerializedBundleRef> m_BeforeStackBundles;
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[SerializeField]
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List<SerializedBundleRef> m_AfterStackBundles;
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/// <summary>
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/// Pre-ordered effects mapped to available injection points.
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/// </summary>
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public Dictionary<PostProcessEvent, List<SerializedBundleRef>> sortedBundles { get; private set; }
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/// <summary>
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/// The current flags set on the camera for the built-in render pipeline.
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/// </summary>
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public DepthTextureMode cameraDepthFlags { get; private set; }
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// We need to keep track of bundle initialization because for some obscure reason, on
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// assembly reload a MonoBehavior's Editor OnEnable will be called BEFORE the MonoBehavior's
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// own OnEnable... So we'll use it to pre-init bundles if the layer inspector is opened and
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// the component hasn't been enabled yet.
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/// <summary>
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/// Returns <c>true</c> if the bundles have been initialized properly.
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/// </summary>
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public bool haveBundlesBeenInited { get; private set; }
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// Settings/Renderer bundles mapped to settings types
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Dictionary<Type, PostProcessBundle> m_Bundles;
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PropertySheetFactory m_PropertySheetFactory;
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CommandBuffer m_LegacyCmdBufferBeforeReflections;
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CommandBuffer m_LegacyCmdBufferBeforeLighting;
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CommandBuffer m_LegacyCmdBufferOpaque;
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CommandBuffer m_LegacyCmdBuffer;
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Camera m_Camera;
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PostProcessRenderContext m_CurrentContext;
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LogHistogram m_LogHistogram;
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bool m_SettingsUpdateNeeded = true;
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bool m_IsRenderingInSceneView = false;
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TargetPool m_TargetPool;
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bool m_NaNKilled = false;
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// Recycled list - used to reduce GC stress when gathering active effects in a bundle list
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// on each frame
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readonly List<PostProcessEffectRenderer> m_ActiveEffects = new List<PostProcessEffectRenderer>();
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readonly List<RenderTargetIdentifier> m_Targets = new List<RenderTargetIdentifier>();
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void OnEnable()
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{
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Init(null);
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if (!haveBundlesBeenInited)
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InitBundles();
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m_LogHistogram = new LogHistogram();
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m_PropertySheetFactory = new PropertySheetFactory();
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m_TargetPool = new TargetPool();
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debugLayer.OnEnable();
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if (RuntimeUtilities.scriptableRenderPipelineActive)
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return;
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InitLegacy();
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}
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void InitLegacy()
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{
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m_LegacyCmdBufferBeforeReflections = new CommandBuffer { name = "Deferred Ambient Occlusion" };
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m_LegacyCmdBufferBeforeLighting = new CommandBuffer { name = "Deferred Ambient Occlusion" };
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m_LegacyCmdBufferOpaque = new CommandBuffer { name = "Opaque Only Post-processing" };
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m_LegacyCmdBuffer = new CommandBuffer { name = "Post-processing" };
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m_Camera = GetComponent<Camera>();
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#if !UNITY_2019_1_OR_NEWER // OnRenderImage (below) implies forceIntoRenderTexture
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m_Camera.forceIntoRenderTexture = true; // Needed when running Forward / LDR / No MSAA
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#endif
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m_Camera.AddCommandBuffer(CameraEvent.BeforeReflections, m_LegacyCmdBufferBeforeReflections);
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m_Camera.AddCommandBuffer(CameraEvent.BeforeLighting, m_LegacyCmdBufferBeforeLighting);
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m_Camera.AddCommandBuffer(CameraEvent.BeforeImageEffectsOpaque, m_LegacyCmdBufferOpaque);
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m_Camera.AddCommandBuffer(CameraEvent.BeforeImageEffects, m_LegacyCmdBuffer);
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// Internal context used if no SRP is set
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m_CurrentContext = new PostProcessRenderContext();
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}
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#if UNITY_2019_1_OR_NEWER
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bool DynamicResolutionAllowsFinalBlitToCameraTarget()
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{
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return (!m_Camera.allowDynamicResolution || (ScalableBufferManager.heightScaleFactor == 1.0 && ScalableBufferManager.widthScaleFactor == 1.0));
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}
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#endif
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#if UNITY_2019_1_OR_NEWER
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// We always use a CommandBuffer to blit to the final render target
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// OnRenderImage is used only to avoid the automatic blit from the RenderTexture of Camera.forceIntoRenderTexture to the actual target
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[ImageEffectUsesCommandBuffer]
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void OnRenderImage(RenderTexture src, RenderTexture dst)
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{
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if (finalBlitToCameraTarget && !m_CurrentContext.stereoActive && DynamicResolutionAllowsFinalBlitToCameraTarget())
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RenderTexture.active = dst; // silence warning
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else
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Graphics.Blit(src, dst);
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}
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#endif
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/// <summary>
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/// Initializes this layer. If you create the layer via scripting you should always call
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/// this method.
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/// </summary>
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/// <param name="resources">A reference to the resource asset</param>
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public void Init(PostProcessResources resources)
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{
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if (resources != null) m_Resources = resources;
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RuntimeUtilities.CreateIfNull(ref temporalAntialiasing);
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RuntimeUtilities.CreateIfNull(ref subpixelMorphologicalAntialiasing);
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RuntimeUtilities.CreateIfNull(ref fastApproximateAntialiasing);
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RuntimeUtilities.CreateIfNull(ref dithering);
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RuntimeUtilities.CreateIfNull(ref fog);
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RuntimeUtilities.CreateIfNull(ref debugLayer);
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}
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/// <summary>
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/// Initializes all the effect bundles. This is called automatically by the framework.
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/// </summary>
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public void InitBundles()
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{
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if (haveBundlesBeenInited)
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return;
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// Create these lists only once, the serialization system will take over after that
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RuntimeUtilities.CreateIfNull(ref m_BeforeTransparentBundles);
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RuntimeUtilities.CreateIfNull(ref m_BeforeStackBundles);
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RuntimeUtilities.CreateIfNull(ref m_AfterStackBundles);
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// Create a bundle for each effect type
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m_Bundles = new Dictionary<Type, PostProcessBundle>();
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foreach (var type in PostProcessManager.instance.settingsTypes.Keys)
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{
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var settings = (PostProcessEffectSettings)ScriptableObject.CreateInstance(type);
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var bundle = new PostProcessBundle(settings);
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m_Bundles.Add(type, bundle);
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}
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// Update sorted lists with newly added or removed effects in the assemblies
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UpdateBundleSortList(m_BeforeTransparentBundles, PostProcessEvent.BeforeTransparent);
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UpdateBundleSortList(m_BeforeStackBundles, PostProcessEvent.BeforeStack);
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UpdateBundleSortList(m_AfterStackBundles, PostProcessEvent.AfterStack);
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// Push all sorted lists in a dictionary for easier access
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sortedBundles = new Dictionary<PostProcessEvent, List<SerializedBundleRef>>(new PostProcessEventComparer())
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{
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{ PostProcessEvent.BeforeTransparent, m_BeforeTransparentBundles },
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{ PostProcessEvent.BeforeStack, m_BeforeStackBundles },
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{ PostProcessEvent.AfterStack, m_AfterStackBundles }
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};
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// Done
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haveBundlesBeenInited = true;
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}
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void UpdateBundleSortList(List<SerializedBundleRef> sortedList, PostProcessEvent evt)
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{
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// First get all effects associated with the injection point
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var effects = m_Bundles.Where(kvp => kvp.Value.attribute.eventType == evt && !kvp.Value.attribute.builtinEffect)
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.Select(kvp => kvp.Value)
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.ToList();
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// Remove types that don't exist anymore
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sortedList.RemoveAll(x =>
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{
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string searchStr = x.assemblyQualifiedName;
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return !effects.Exists(b => b.settings.GetType().AssemblyQualifiedName == searchStr);
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});
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// Add new ones
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foreach (var effect in effects)
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{
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string typeName = effect.settings.GetType().AssemblyQualifiedName;
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if (!sortedList.Exists(b => b.assemblyQualifiedName == typeName))
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{
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var sbr = new SerializedBundleRef { assemblyQualifiedName = typeName };
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sortedList.Add(sbr);
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}
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}
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// Link internal references
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foreach (var effect in sortedList)
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{
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string typeName = effect.assemblyQualifiedName;
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var bundle = effects.Find(b => b.settings.GetType().AssemblyQualifiedName == typeName);
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effect.bundle = bundle;
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}
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}
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void OnDisable()
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{
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// Have to check for null camera in case the user is doing back'n'forth between SRP and
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// legacy
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if (m_Camera != null)
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{
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if (m_LegacyCmdBufferBeforeReflections != null)
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m_Camera.RemoveCommandBuffer(CameraEvent.BeforeReflections, m_LegacyCmdBufferBeforeReflections);
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if (m_LegacyCmdBufferBeforeLighting != null)
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m_Camera.RemoveCommandBuffer(CameraEvent.BeforeLighting, m_LegacyCmdBufferBeforeLighting);
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if (m_LegacyCmdBufferOpaque != null)
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m_Camera.RemoveCommandBuffer(CameraEvent.BeforeImageEffectsOpaque, m_LegacyCmdBufferOpaque);
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if (m_LegacyCmdBuffer != null)
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m_Camera.RemoveCommandBuffer(CameraEvent.BeforeImageEffects, m_LegacyCmdBuffer);
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}
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temporalAntialiasing.Release();
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m_LogHistogram.Release();
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foreach (var bundle in m_Bundles.Values)
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bundle.Release();
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m_Bundles.Clear();
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m_PropertySheetFactory.Release();
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if (debugLayer != null)
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debugLayer.OnDisable();
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// Might be an issue if several layers are blending in the same frame...
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TextureLerper.instance.Clear();
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haveBundlesBeenInited = false;
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}
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// Called everytime the user resets the component from the inspector and more importantly
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// the first time it's added to a GameObject. As we don't have added/removed event for
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// components, this will do fine
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void Reset()
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{
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volumeTrigger = transform;
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}
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void OnPreCull()
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{
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// Unused in scriptable render pipelines
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if (RuntimeUtilities.scriptableRenderPipelineActive)
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return;
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if (m_Camera == null || m_CurrentContext == null)
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InitLegacy();
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// Postprocessing does tweak load/store actions when it uses render targets.
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// But when using builtin render pipeline, Camera will silently apply viewport when setting render target,
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// meaning that Postprocessing might think that it is rendering to fullscreen RT
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// and use LoadAction.DontCare freely, which will ruin the RT if we are using viewport.
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// It should actually check for having tiled architecture but this is not exposed to script,
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// so we are checking for mobile as a good substitute
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#if UNITY_2019_3_OR_NEWER
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if (SystemInfo.usesLoadStoreActions)
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#else
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if (Application.isMobilePlatform)
|
||
|
#endif
|
||
|
{
|
||
|
Rect r = m_Camera.rect;
|
||
|
if (Mathf.Abs(r.x) > 1e-6f || Mathf.Abs(r.y) > 1e-6f || Mathf.Abs(1.0f - r.width) > 1e-6f || Mathf.Abs(1.0f - r.height) > 1e-6f)
|
||
|
{
|
||
|
Debug.LogWarning("When used with builtin render pipeline, Postprocessing package expects to be used on a fullscreen Camera.\nPlease note that using Camera viewport may result in visual artefacts or some things not working.", m_Camera);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Resets the projection matrix from previous frame in case TAA was enabled.
|
||
|
// We also need to force reset the non-jittered projection matrix here as it's not done
|
||
|
// when ResetProjectionMatrix() is called and will break transparent rendering if TAA
|
||
|
// is switched off and the FOV or any other camera property changes.
|
||
|
if (m_CurrentContext.IsTemporalAntialiasingActive())
|
||
|
{
|
||
|
#if UNITY_2018_2_OR_NEWER
|
||
|
if (!m_Camera.usePhysicalProperties)
|
||
|
#endif
|
||
|
{
|
||
|
m_Camera.ResetProjectionMatrix();
|
||
|
m_Camera.nonJitteredProjectionMatrix = m_Camera.projectionMatrix;
|
||
|
#if (ENABLE_VR_MODULE && ENABLE_VR)
|
||
|
if (m_Camera.stereoEnabled)
|
||
|
{
|
||
|
m_Camera.ResetStereoProjectionMatrices();
|
||
|
if (m_Camera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Right)
|
||
|
{
|
||
|
m_Camera.CopyStereoDeviceProjectionMatrixToNonJittered(Camera.StereoscopicEye.Right);
|
||
|
m_Camera.projectionMatrix = m_Camera.GetStereoNonJitteredProjectionMatrix(Camera.StereoscopicEye.Right);
|
||
|
m_Camera.nonJitteredProjectionMatrix = m_Camera.projectionMatrix;
|
||
|
m_Camera.SetStereoProjectionMatrix(Camera.StereoscopicEye.Right, m_Camera.GetStereoProjectionMatrix(Camera.StereoscopicEye.Right));
|
||
|
}
|
||
|
else if (m_Camera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Left || m_Camera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Mono)
|
||
|
{
|
||
|
m_Camera.CopyStereoDeviceProjectionMatrixToNonJittered(Camera.StereoscopicEye.Left); // device to unjittered
|
||
|
m_Camera.projectionMatrix = m_Camera.GetStereoNonJitteredProjectionMatrix(Camera.StereoscopicEye.Left);
|
||
|
m_Camera.nonJitteredProjectionMatrix = m_Camera.projectionMatrix;
|
||
|
m_Camera.SetStereoProjectionMatrix(Camera.StereoscopicEye.Left, m_Camera.GetStereoProjectionMatrix(Camera.StereoscopicEye.Left));
|
||
|
}
|
||
|
}
|
||
|
#endif
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#if (ENABLE_VR_MODULE && ENABLE_VR)
|
||
|
if (m_Camera.stereoEnabled)
|
||
|
{
|
||
|
Shader.SetGlobalFloat(ShaderIDs.RenderViewportScaleFactor, XRSettings.renderViewportScale);
|
||
|
}
|
||
|
else
|
||
|
#endif
|
||
|
{
|
||
|
Shader.SetGlobalFloat(ShaderIDs.RenderViewportScaleFactor, 1.0f);
|
||
|
}
|
||
|
|
||
|
BuildCommandBuffers();
|
||
|
}
|
||
|
|
||
|
void OnPreRender()
|
||
|
{
|
||
|
// Unused in scriptable render pipelines
|
||
|
// Only needed for multi-pass stereo right eye
|
||
|
if (RuntimeUtilities.scriptableRenderPipelineActive ||
|
||
|
(m_Camera.stereoActiveEye != Camera.MonoOrStereoscopicEye.Right))
|
||
|
return;
|
||
|
|
||
|
BuildCommandBuffers();
|
||
|
}
|
||
|
|
||
|
static bool RequiresInitialBlit(Camera camera, PostProcessRenderContext context)
|
||
|
{
|
||
|
// [ImageEffectUsesCommandBuffer] is currently broken, FIXME
|
||
|
return true;
|
||
|
|
||
|
/*
|
||
|
#if UNITY_2019_1_OR_NEWER
|
||
|
if (camera.allowMSAA) // this shouldn't be necessary, but until re-tested on older Unity versions just do the blits
|
||
|
return true;
|
||
|
if (RuntimeUtilities.scriptableRenderPipelineActive) // Should never be called from SRP
|
||
|
return true;
|
||
|
|
||
|
return false;
|
||
|
#else
|
||
|
return true;
|
||
|
#endif
|
||
|
*/
|
||
|
}
|
||
|
|
||
|
void UpdateSrcDstForOpaqueOnly(ref int src, ref int dst, PostProcessRenderContext context, RenderTargetIdentifier cameraTarget, int opaqueOnlyEffectsRemaining)
|
||
|
{
|
||
|
if (src > -1)
|
||
|
context.command.ReleaseTemporaryRT(src);
|
||
|
|
||
|
context.source = context.destination;
|
||
|
src = dst;
|
||
|
|
||
|
if (opaqueOnlyEffectsRemaining == 1)
|
||
|
{
|
||
|
context.destination = cameraTarget;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
dst = m_TargetPool.Get();
|
||
|
context.destination = dst;
|
||
|
context.GetScreenSpaceTemporaryRT(context.command, dst, 0, context.sourceFormat);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void BuildCommandBuffers()
|
||
|
{
|
||
|
var context = m_CurrentContext;
|
||
|
var sourceFormat = m_Camera.targetTexture ? m_Camera.targetTexture.format : (m_Camera.allowHDR ? RuntimeUtilities.defaultHDRRenderTextureFormat : RenderTextureFormat.Default);
|
||
|
|
||
|
if (!RuntimeUtilities.isFloatingPointFormat(sourceFormat))
|
||
|
m_NaNKilled = true;
|
||
|
|
||
|
context.Reset();
|
||
|
context.camera = m_Camera;
|
||
|
context.sourceFormat = sourceFormat;
|
||
|
|
||
|
// TODO: Investigate retaining command buffers on XR multi-pass right eye
|
||
|
m_LegacyCmdBufferBeforeReflections.Clear();
|
||
|
m_LegacyCmdBufferBeforeLighting.Clear();
|
||
|
m_LegacyCmdBufferOpaque.Clear();
|
||
|
m_LegacyCmdBuffer.Clear();
|
||
|
|
||
|
SetupContext(context);
|
||
|
|
||
|
context.command = m_LegacyCmdBufferOpaque;
|
||
|
TextureLerper.instance.BeginFrame(context);
|
||
|
UpdateVolumeSystem(context.camera, context.command);
|
||
|
|
||
|
// Lighting & opaque-only effects
|
||
|
var aoBundle = GetBundle<AmbientOcclusion>();
|
||
|
var aoSettings = aoBundle.CastSettings<AmbientOcclusion>();
|
||
|
var aoRenderer = aoBundle.CastRenderer<AmbientOcclusionRenderer>();
|
||
|
|
||
|
bool aoSupported = aoSettings.IsEnabledAndSupported(context);
|
||
|
bool aoAmbientOnly = aoRenderer.IsAmbientOnly(context);
|
||
|
bool isAmbientOcclusionDeferred = aoSupported && aoAmbientOnly;
|
||
|
bool isAmbientOcclusionOpaque = aoSupported && !aoAmbientOnly;
|
||
|
|
||
|
var ssrBundle = GetBundle<ScreenSpaceReflections>();
|
||
|
var ssrSettings = ssrBundle.settings;
|
||
|
var ssrRenderer = ssrBundle.renderer;
|
||
|
bool isScreenSpaceReflectionsActive = ssrSettings.IsEnabledAndSupported(context);
|
||
|
|
||
|
#if UNITY_2019_1_OR_NEWER
|
||
|
if (context.stereoActive)
|
||
|
context.UpdateSinglePassStereoState(context.IsTemporalAntialiasingActive(), aoSupported, isScreenSpaceReflectionsActive);
|
||
|
#endif
|
||
|
// Ambient-only AO is a special case and has to be done in separate command buffers
|
||
|
if (isAmbientOcclusionDeferred)
|
||
|
{
|
||
|
var ao = aoRenderer.Get();
|
||
|
|
||
|
// Render as soon as possible - should be done async in SRPs when available
|
||
|
context.command = m_LegacyCmdBufferBeforeReflections;
|
||
|
ao.RenderAmbientOnly(context);
|
||
|
|
||
|
// Composite with GBuffer right before the lighting pass
|
||
|
context.command = m_LegacyCmdBufferBeforeLighting;
|
||
|
ao.CompositeAmbientOnly(context);
|
||
|
}
|
||
|
else if (isAmbientOcclusionOpaque)
|
||
|
{
|
||
|
context.command = m_LegacyCmdBufferOpaque;
|
||
|
aoRenderer.Get().RenderAfterOpaque(context);
|
||
|
}
|
||
|
|
||
|
bool isFogActive = fog.IsEnabledAndSupported(context);
|
||
|
bool hasCustomOpaqueOnlyEffects = HasOpaqueOnlyEffects(context);
|
||
|
int opaqueOnlyEffects = 0;
|
||
|
opaqueOnlyEffects += isScreenSpaceReflectionsActive ? 1 : 0;
|
||
|
opaqueOnlyEffects += isFogActive ? 1 : 0;
|
||
|
opaqueOnlyEffects += hasCustomOpaqueOnlyEffects ? 1 : 0;
|
||
|
|
||
|
// This works on right eye because it is resolved/populated at runtime
|
||
|
var cameraTarget = new RenderTargetIdentifier(BuiltinRenderTextureType.CameraTarget);
|
||
|
|
||
|
if (opaqueOnlyEffects > 0)
|
||
|
{
|
||
|
var cmd = m_LegacyCmdBufferOpaque;
|
||
|
context.command = cmd;
|
||
|
context.source = cameraTarget;
|
||
|
context.destination = cameraTarget;
|
||
|
int srcTarget = -1;
|
||
|
int dstTarget = -1;
|
||
|
|
||
|
UpdateSrcDstForOpaqueOnly(ref srcTarget, ref dstTarget, context, cameraTarget, opaqueOnlyEffects + 1); // + 1 for blit
|
||
|
|
||
|
if (RequiresInitialBlit(m_Camera, context) || opaqueOnlyEffects == 1)
|
||
|
{
|
||
|
cmd.BuiltinBlit(context.source, context.destination, RuntimeUtilities.copyStdMaterial, stopNaNPropagation ? 1 : 0);
|
||
|
UpdateSrcDstForOpaqueOnly(ref srcTarget, ref dstTarget, context, cameraTarget, opaqueOnlyEffects);
|
||
|
}
|
||
|
|
||
|
if (isScreenSpaceReflectionsActive)
|
||
|
{
|
||
|
ssrRenderer.RenderOrLog(context);
|
||
|
opaqueOnlyEffects--;
|
||
|
UpdateSrcDstForOpaqueOnly(ref srcTarget, ref dstTarget, context, cameraTarget, opaqueOnlyEffects);
|
||
|
}
|
||
|
|
||
|
if (isFogActive)
|
||
|
{
|
||
|
fog.Render(context);
|
||
|
opaqueOnlyEffects--;
|
||
|
UpdateSrcDstForOpaqueOnly(ref srcTarget, ref dstTarget, context, cameraTarget, opaqueOnlyEffects);
|
||
|
}
|
||
|
|
||
|
if (hasCustomOpaqueOnlyEffects)
|
||
|
RenderOpaqueOnly(context);
|
||
|
|
||
|
cmd.ReleaseTemporaryRT(srcTarget);
|
||
|
}
|
||
|
|
||
|
// Post-transparency stack
|
||
|
int tempRt = -1;
|
||
|
bool forceNanKillPass = (!m_NaNKilled && stopNaNPropagation && RuntimeUtilities.isFloatingPointFormat(sourceFormat));
|
||
|
bool vrSinglePassInstancingEnabled = context.stereoActive && context.numberOfEyes > 1 && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePassInstanced;
|
||
|
if (!vrSinglePassInstancingEnabled && (RequiresInitialBlit(m_Camera, context) || forceNanKillPass))
|
||
|
{
|
||
|
int width = context.width;
|
||
|
#if UNITY_2019_1_OR_NEWER && ENABLE_VR_MODULE && ENABLE_VR
|
||
|
var xrDesc = XRSettings.eyeTextureDesc;
|
||
|
if (context.stereoActive && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePass)
|
||
|
width = xrDesc.width;
|
||
|
#endif
|
||
|
tempRt = m_TargetPool.Get();
|
||
|
context.GetScreenSpaceTemporaryRT(m_LegacyCmdBuffer, tempRt, 0, sourceFormat, RenderTextureReadWrite.sRGB, FilterMode.Bilinear, width);
|
||
|
m_LegacyCmdBuffer.BuiltinBlit(cameraTarget, tempRt, RuntimeUtilities.copyStdMaterial, stopNaNPropagation ? 1 : 0);
|
||
|
if (!m_NaNKilled)
|
||
|
m_NaNKilled = stopNaNPropagation;
|
||
|
|
||
|
context.source = tempRt;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
context.source = cameraTarget;
|
||
|
}
|
||
|
|
||
|
context.destination = cameraTarget;
|
||
|
|
||
|
#if UNITY_2019_1_OR_NEWER
|
||
|
if (finalBlitToCameraTarget && !m_CurrentContext.stereoActive && !RuntimeUtilities.scriptableRenderPipelineActive && DynamicResolutionAllowsFinalBlitToCameraTarget())
|
||
|
{
|
||
|
if (m_Camera.targetTexture)
|
||
|
{
|
||
|
context.destination = m_Camera.targetTexture.colorBuffer;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
context.flip = true;
|
||
|
context.destination = Display.main.colorBuffer;
|
||
|
}
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
context.command = m_LegacyCmdBuffer;
|
||
|
|
||
|
Render(context);
|
||
|
|
||
|
if (tempRt > -1)
|
||
|
m_LegacyCmdBuffer.ReleaseTemporaryRT(tempRt);
|
||
|
}
|
||
|
|
||
|
void OnPostRender()
|
||
|
{
|
||
|
// Unused in scriptable render pipelines
|
||
|
if (RuntimeUtilities.scriptableRenderPipelineActive)
|
||
|
return;
|
||
|
|
||
|
if (m_CurrentContext.IsTemporalAntialiasingActive())
|
||
|
{
|
||
|
#if UNITY_2018_2_OR_NEWER
|
||
|
// TAA calls SetProjectionMatrix so if the camera projection mode was physical, it gets set to explicit. So we set it back to physical.
|
||
|
if (m_CurrentContext.physicalCamera)
|
||
|
m_Camera.usePhysicalProperties = true;
|
||
|
else
|
||
|
#endif
|
||
|
{
|
||
|
// The camera must be reset on precull and post render to avoid issues with alpha when toggling TAA.
|
||
|
m_Camera.ResetProjectionMatrix();
|
||
|
#if (ENABLE_VR_MODULE && ENABLE_VR)
|
||
|
if (m_CurrentContext.stereoActive)
|
||
|
{
|
||
|
if (RuntimeUtilities.isSinglePassStereoEnabled || m_Camera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Right)
|
||
|
{
|
||
|
m_Camera.ResetStereoProjectionMatrices();
|
||
|
// copy the left eye onto the projection matrix so that we're using the correct projection matrix after calling m_Camera.ResetProjectionMatrix(); above.
|
||
|
if (XRSettings.stereoRenderingMode == XRSettings.StereoRenderingMode.MultiPass)
|
||
|
m_Camera.projectionMatrix = m_Camera.GetStereoProjectionMatrix(Camera.StereoscopicEye.Left);
|
||
|
}
|
||
|
}
|
||
|
#endif
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Grabs the bundle for the given effect type.
|
||
|
/// </summary>
|
||
|
/// <typeparam name="T">An effect type.</typeparam>
|
||
|
/// <returns>The bundle for the effect of type <typeparam name="T"></typeparam></returns>
|
||
|
public PostProcessBundle GetBundle<T>()
|
||
|
where T : PostProcessEffectSettings
|
||
|
{
|
||
|
return GetBundle(typeof(T));
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Grabs the bundle for the given effect type.
|
||
|
/// </summary>
|
||
|
/// <param name="settingsType">An effect type.</param>
|
||
|
/// <returns>The bundle for the effect of type <typeparam name="type"></typeparam></returns>
|
||
|
public PostProcessBundle GetBundle(Type settingsType)
|
||
|
{
|
||
|
Assert.IsTrue(m_Bundles.ContainsKey(settingsType), "Invalid type");
|
||
|
return m_Bundles[settingsType];
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Gets the current settings for a given effect.
|
||
|
/// </summary>
|
||
|
/// <typeparam name="T">The type of effect to look for</typeparam>
|
||
|
/// <returns>The current state of an effect</returns>
|
||
|
public T GetSettings<T>()
|
||
|
where T : PostProcessEffectSettings
|
||
|
{
|
||
|
return GetBundle<T>().CastSettings<T>();
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Utility method to bake a multi-scale volumetric obscurance map for the current camera.
|
||
|
/// This will only work if ambient occlusion is active in the scene.
|
||
|
/// </summary>
|
||
|
/// <param name="cmd">The command buffer to use for rendering steps</param>
|
||
|
/// <param name="camera">The camera to render ambient occlusion for</param>
|
||
|
/// <param name="destination">The destination render target</param>
|
||
|
/// <param name="depthMap">The depth map to use. If <c>null</c>, it will use the depth map
|
||
|
/// from the given camera</param>
|
||
|
/// <param name="invert">Should the result be inverted?</param>
|
||
|
/// <param name="isMSAA">Should use MSAA?</param>
|
||
|
public void BakeMSVOMap(CommandBuffer cmd, Camera camera, RenderTargetIdentifier destination, RenderTargetIdentifier? depthMap, bool invert, bool isMSAA = false)
|
||
|
{
|
||
|
var bundle = GetBundle<AmbientOcclusion>();
|
||
|
var renderer = bundle.CastRenderer<AmbientOcclusionRenderer>().GetMultiScaleVO();
|
||
|
renderer.SetResources(m_Resources);
|
||
|
renderer.GenerateAOMap(cmd, camera, destination, depthMap, invert, isMSAA);
|
||
|
}
|
||
|
|
||
|
internal void OverrideSettings(List<PostProcessEffectSettings> baseSettings, float interpFactor)
|
||
|
{
|
||
|
// Go through all settings & overriden parameters for the given volume and lerp values
|
||
|
foreach (var settings in baseSettings)
|
||
|
{
|
||
|
if (!settings.active)
|
||
|
continue;
|
||
|
|
||
|
var target = GetBundle(settings.GetType()).settings;
|
||
|
int count = settings.parameters.Count;
|
||
|
|
||
|
for (int i = 0; i < count; i++)
|
||
|
{
|
||
|
var toParam = settings.parameters[i];
|
||
|
if (toParam.overrideState)
|
||
|
{
|
||
|
var fromParam = target.parameters[i];
|
||
|
fromParam.Interp(fromParam, toParam, interpFactor);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// In the legacy render loop you have to explicitely set flags on camera to tell that you
|
||
|
// need depth, depth+normals or motion vectors... This won't have any effect with most
|
||
|
// scriptable render pipelines.
|
||
|
void SetLegacyCameraFlags(PostProcessRenderContext context)
|
||
|
{
|
||
|
var flags = DepthTextureMode.None;
|
||
|
|
||
|
foreach (var bundle in m_Bundles)
|
||
|
{
|
||
|
if (bundle.Value.settings.IsEnabledAndSupported(context))
|
||
|
flags |= bundle.Value.renderer.GetCameraFlags();
|
||
|
}
|
||
|
|
||
|
// Special case for AA & lighting effects
|
||
|
if (context.IsTemporalAntialiasingActive())
|
||
|
flags |= temporalAntialiasing.GetCameraFlags();
|
||
|
|
||
|
if (fog.IsEnabledAndSupported(context))
|
||
|
flags |= fog.GetCameraFlags();
|
||
|
|
||
|
if (debugLayer.debugOverlay != DebugOverlay.None)
|
||
|
flags |= debugLayer.GetCameraFlags();
|
||
|
|
||
|
context.camera.depthTextureMode |= flags;
|
||
|
cameraDepthFlags = flags;
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// This method should be called whenever you need to reset any temporal effect, e.g. when
|
||
|
/// doing camera cuts.
|
||
|
/// </summary>
|
||
|
public void ResetHistory()
|
||
|
{
|
||
|
foreach (var bundle in m_Bundles)
|
||
|
bundle.Value.ResetHistory();
|
||
|
|
||
|
temporalAntialiasing.ResetHistory();
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Checks if this layer has any active opaque-only effect.
|
||
|
/// </summary>
|
||
|
/// <param name="context">The current render context</param>
|
||
|
/// <returns><c>true</c> if opaque-only effects are active, <c>false</c> otherwise</returns>
|
||
|
public bool HasOpaqueOnlyEffects(PostProcessRenderContext context)
|
||
|
{
|
||
|
return HasActiveEffects(PostProcessEvent.BeforeTransparent, context);
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Checks if this layer has any active effect at the given injection point.
|
||
|
/// </summary>
|
||
|
/// <param name="evt">The injection point to look for</param>
|
||
|
/// <param name="context">The current render context</param>
|
||
|
/// <returns><c>true</c> if any effect at the given injection point is active, <c>false</c>
|
||
|
/// otherwise</returns>
|
||
|
public bool HasActiveEffects(PostProcessEvent evt, PostProcessRenderContext context)
|
||
|
{
|
||
|
var list = sortedBundles[evt];
|
||
|
|
||
|
foreach (var item in list)
|
||
|
{
|
||
|
bool enabledAndSupported = item.bundle.settings.IsEnabledAndSupported(context);
|
||
|
|
||
|
if (context.isSceneView)
|
||
|
{
|
||
|
if (item.bundle.attribute.allowInSceneView && enabledAndSupported)
|
||
|
return true;
|
||
|
}
|
||
|
else if (enabledAndSupported)
|
||
|
{
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
void SetupContext(PostProcessRenderContext context)
|
||
|
{
|
||
|
// Juggling required when a scene with post processing is loaded from an asset bundle
|
||
|
// See #1148230
|
||
|
// Additional !RuntimeUtilities.isValidResources() to fix #1262826
|
||
|
// The static member s_Resources is unset by addressable. The code is ill formed as it
|
||
|
// is not made to handle multiple scene.
|
||
|
if (m_OldResources != m_Resources || !RuntimeUtilities.isValidResources())
|
||
|
{
|
||
|
RuntimeUtilities.UpdateResources(m_Resources);
|
||
|
m_OldResources = m_Resources;
|
||
|
}
|
||
|
|
||
|
m_IsRenderingInSceneView = context.camera.cameraType == CameraType.SceneView;
|
||
|
context.isSceneView = m_IsRenderingInSceneView;
|
||
|
context.resources = m_Resources;
|
||
|
context.propertySheets = m_PropertySheetFactory;
|
||
|
context.debugLayer = debugLayer;
|
||
|
context.antialiasing = antialiasingMode;
|
||
|
context.temporalAntialiasing = temporalAntialiasing;
|
||
|
context.logHistogram = m_LogHistogram;
|
||
|
|
||
|
#if UNITY_2018_2_OR_NEWER
|
||
|
context.physicalCamera = context.camera.usePhysicalProperties;
|
||
|
#endif
|
||
|
|
||
|
SetLegacyCameraFlags(context);
|
||
|
|
||
|
// Prepare debug overlay
|
||
|
debugLayer.SetFrameSize(context.width, context.height);
|
||
|
|
||
|
// Unsafe to keep this around but we need it for OnGUI events for debug views
|
||
|
// Will be removed eventually
|
||
|
m_CurrentContext = context;
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Updates the state of the volume system. This should be called before any other
|
||
|
/// post-processing method when running in a scriptable render pipeline. You don't need to
|
||
|
/// call this method when running in one of the builtin pipelines.
|
||
|
/// </summary>
|
||
|
/// <param name="cam">The currently rendering camera.</param>
|
||
|
/// <param name="cmd">A command buffer to fill.</param>
|
||
|
public void UpdateVolumeSystem(Camera cam, CommandBuffer cmd)
|
||
|
{
|
||
|
if (m_SettingsUpdateNeeded)
|
||
|
{
|
||
|
cmd.BeginSample("VolumeBlending");
|
||
|
PostProcessManager.instance.UpdateSettings(this, cam);
|
||
|
cmd.EndSample("VolumeBlending");
|
||
|
m_TargetPool.Reset();
|
||
|
|
||
|
// TODO: fix me once VR support is in SRP
|
||
|
// Needed in SRP so that _RenderViewportScaleFactor isn't 0
|
||
|
if (RuntimeUtilities.scriptableRenderPipelineActive)
|
||
|
Shader.SetGlobalFloat(ShaderIDs.RenderViewportScaleFactor, 1f);
|
||
|
}
|
||
|
|
||
|
m_SettingsUpdateNeeded = false;
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Renders effects in the <see cref="PostProcessEvent.BeforeTransparent"/> bucket. You
|
||
|
/// should call <see cref="HasOpaqueOnlyEffects"/> before calling this method as it won't
|
||
|
/// automatically blit source into destination if no opaque-only effect is active.
|
||
|
/// </summary>
|
||
|
/// <param name="context">The current post-processing context.</param>
|
||
|
public void RenderOpaqueOnly(PostProcessRenderContext context)
|
||
|
{
|
||
|
if (RuntimeUtilities.scriptableRenderPipelineActive)
|
||
|
SetupContext(context);
|
||
|
|
||
|
TextureLerper.instance.BeginFrame(context);
|
||
|
|
||
|
// Update & override layer settings first (volume blending), will only be done once per
|
||
|
// frame, either here or in Render() if there isn't any opaque-only effect to render.
|
||
|
// TODO: should be removed, keeping this here for older SRPs
|
||
|
UpdateVolumeSystem(context.camera, context.command);
|
||
|
|
||
|
RenderList(sortedBundles[PostProcessEvent.BeforeTransparent], context, "OpaqueOnly");
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Renders all effects not in the <see cref="PostProcessEvent.BeforeTransparent"/> bucket.
|
||
|
/// </summary>
|
||
|
/// <param name="context">The current post-processing context.</param>
|
||
|
public void Render(PostProcessRenderContext context)
|
||
|
{
|
||
|
if (RuntimeUtilities.scriptableRenderPipelineActive)
|
||
|
SetupContext(context);
|
||
|
|
||
|
TextureLerper.instance.BeginFrame(context);
|
||
|
var cmd = context.command;
|
||
|
|
||
|
// Update & override layer settings first (volume blending) if the opaque only pass
|
||
|
// hasn't been called this frame.
|
||
|
// TODO: should be removed, keeping this here for older SRPs
|
||
|
UpdateVolumeSystem(context.camera, context.command);
|
||
|
|
||
|
// Do a NaN killing pass if needed
|
||
|
int lastTarget = -1;
|
||
|
RenderTargetIdentifier cameraTexture = context.source;
|
||
|
|
||
|
#if UNITY_2019_1_OR_NEWER
|
||
|
if (context.stereoActive && context.numberOfEyes > 1 && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePass)
|
||
|
{
|
||
|
cmd.SetSinglePassStereo(SinglePassStereoMode.None);
|
||
|
cmd.DisableShaderKeyword("UNITY_SINGLE_PASS_STEREO");
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
for (int eye = 0; eye < context.numberOfEyes; eye++)
|
||
|
{
|
||
|
bool preparedStereoSource = false;
|
||
|
|
||
|
if (stopNaNPropagation && !m_NaNKilled)
|
||
|
{
|
||
|
lastTarget = m_TargetPool.Get();
|
||
|
context.GetScreenSpaceTemporaryRT(cmd, lastTarget, 0, context.sourceFormat);
|
||
|
if (context.stereoActive && context.numberOfEyes > 1)
|
||
|
{
|
||
|
if (context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePassInstanced)
|
||
|
{
|
||
|
cmd.BlitFullscreenTriangleFromTexArray(context.source, lastTarget, RuntimeUtilities.copyFromTexArraySheet, 1, false, eye);
|
||
|
preparedStereoSource = true;
|
||
|
}
|
||
|
else if (context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePass)
|
||
|
{
|
||
|
cmd.BlitFullscreenTriangleFromDoubleWide(context.source, lastTarget, RuntimeUtilities.copyStdFromDoubleWideMaterial, 1, eye);
|
||
|
preparedStereoSource = true;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
cmd.BlitFullscreenTriangle(context.source, lastTarget, RuntimeUtilities.copySheet, 1);
|
||
|
context.source = lastTarget;
|
||
|
m_NaNKilled = true;
|
||
|
}
|
||
|
|
||
|
if (!preparedStereoSource && context.numberOfEyes > 1)
|
||
|
{
|
||
|
lastTarget = m_TargetPool.Get();
|
||
|
context.GetScreenSpaceTemporaryRT(cmd, lastTarget, 0, context.sourceFormat);
|
||
|
if (context.stereoActive)
|
||
|
{
|
||
|
if (context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePassInstanced)
|
||
|
{
|
||
|
cmd.BlitFullscreenTriangleFromTexArray(context.source, lastTarget, RuntimeUtilities.copyFromTexArraySheet, 1, false, eye);
|
||
|
preparedStereoSource = true;
|
||
|
}
|
||
|
else if (context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePass)
|
||
|
{
|
||
|
cmd.BlitFullscreenTriangleFromDoubleWide(context.source, lastTarget, RuntimeUtilities.copyStdFromDoubleWideMaterial, stopNaNPropagation ? 1 : 0, eye);
|
||
|
preparedStereoSource = true;
|
||
|
}
|
||
|
}
|
||
|
context.source = lastTarget;
|
||
|
}
|
||
|
|
||
|
// Do temporal anti-aliasing first
|
||
|
if (context.IsTemporalAntialiasingActive())
|
||
|
{
|
||
|
if (!RuntimeUtilities.scriptableRenderPipelineActive)
|
||
|
{
|
||
|
if (context.stereoActive)
|
||
|
{
|
||
|
// We only need to configure all of this once for stereo, during OnPreCull
|
||
|
if (context.camera.stereoActiveEye != Camera.MonoOrStereoscopicEye.Right)
|
||
|
temporalAntialiasing.ConfigureStereoJitteredProjectionMatrices(context);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
temporalAntialiasing.ConfigureJitteredProjectionMatrix(context);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
var taaTarget = m_TargetPool.Get();
|
||
|
var finalDestination = context.destination;
|
||
|
context.GetScreenSpaceTemporaryRT(cmd, taaTarget, 0, context.sourceFormat);
|
||
|
context.destination = taaTarget;
|
||
|
temporalAntialiasing.Render(context);
|
||
|
context.source = taaTarget;
|
||
|
context.destination = finalDestination;
|
||
|
|
||
|
if (lastTarget > -1)
|
||
|
cmd.ReleaseTemporaryRT(lastTarget);
|
||
|
|
||
|
lastTarget = taaTarget;
|
||
|
}
|
||
|
|
||
|
bool hasBeforeStackEffects = HasActiveEffects(PostProcessEvent.BeforeStack, context);
|
||
|
bool hasAfterStackEffects = HasActiveEffects(PostProcessEvent.AfterStack, context) && !breakBeforeColorGrading;
|
||
|
bool needsFinalPass = (hasAfterStackEffects
|
||
|
|| (antialiasingMode == Antialiasing.FastApproximateAntialiasing) || (antialiasingMode == Antialiasing.SubpixelMorphologicalAntialiasing && subpixelMorphologicalAntialiasing.IsSupported()))
|
||
|
&& !breakBeforeColorGrading;
|
||
|
|
||
|
// Right before the builtin stack
|
||
|
if (hasBeforeStackEffects)
|
||
|
lastTarget = RenderInjectionPoint(PostProcessEvent.BeforeStack, context, "BeforeStack", lastTarget);
|
||
|
|
||
|
// Builtin stack
|
||
|
lastTarget = RenderBuiltins(context, !needsFinalPass, lastTarget, eye);
|
||
|
|
||
|
// After the builtin stack but before the final pass (before FXAA & Dithering)
|
||
|
if (hasAfterStackEffects)
|
||
|
lastTarget = RenderInjectionPoint(PostProcessEvent.AfterStack, context, "AfterStack", lastTarget);
|
||
|
|
||
|
// And close with the final pass
|
||
|
if (needsFinalPass)
|
||
|
RenderFinalPass(context, lastTarget, eye);
|
||
|
|
||
|
if (context.stereoActive)
|
||
|
context.source = cameraTexture;
|
||
|
}
|
||
|
|
||
|
#if UNITY_2019_1_OR_NEWER
|
||
|
if (context.stereoActive && context.numberOfEyes > 1 && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePass)
|
||
|
{
|
||
|
cmd.SetSinglePassStereo(SinglePassStereoMode.SideBySide);
|
||
|
cmd.EnableShaderKeyword("UNITY_SINGLE_PASS_STEREO");
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
// Render debug monitors & overlay if requested
|
||
|
debugLayer.RenderSpecialOverlays(context);
|
||
|
debugLayer.RenderMonitors(context);
|
||
|
|
||
|
// End frame cleanup
|
||
|
TextureLerper.instance.EndFrame();
|
||
|
debugLayer.EndFrame();
|
||
|
m_SettingsUpdateNeeded = true;
|
||
|
m_NaNKilled = false;
|
||
|
}
|
||
|
|
||
|
int RenderInjectionPoint(PostProcessEvent evt, PostProcessRenderContext context, string marker, int releaseTargetAfterUse = -1)
|
||
|
{
|
||
|
int tempTarget = m_TargetPool.Get();
|
||
|
var finalDestination = context.destination;
|
||
|
|
||
|
var cmd = context.command;
|
||
|
context.GetScreenSpaceTemporaryRT(cmd, tempTarget, 0, context.sourceFormat);
|
||
|
context.destination = tempTarget;
|
||
|
RenderList(sortedBundles[evt], context, marker);
|
||
|
context.source = tempTarget;
|
||
|
context.destination = finalDestination;
|
||
|
|
||
|
if (releaseTargetAfterUse > -1)
|
||
|
cmd.ReleaseTemporaryRT(releaseTargetAfterUse);
|
||
|
|
||
|
return tempTarget;
|
||
|
}
|
||
|
|
||
|
void RenderList(List<SerializedBundleRef> list, PostProcessRenderContext context, string marker)
|
||
|
{
|
||
|
var cmd = context.command;
|
||
|
cmd.BeginSample(marker);
|
||
|
|
||
|
// First gather active effects - we need this to manage render targets more efficiently
|
||
|
m_ActiveEffects.Clear();
|
||
|
for (int i = 0; i < list.Count; i++)
|
||
|
{
|
||
|
var effect = list[i].bundle;
|
||
|
if (effect.settings.IsEnabledAndSupported(context))
|
||
|
{
|
||
|
if (!context.isSceneView || (context.isSceneView && effect.attribute.allowInSceneView))
|
||
|
m_ActiveEffects.Add(effect.renderer);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
int count = m_ActiveEffects.Count;
|
||
|
|
||
|
// If there's only one active effect, we can simply execute it and skip the rest
|
||
|
if (count == 1)
|
||
|
{
|
||
|
m_ActiveEffects[0].RenderOrLog(context);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// Else create the target chain
|
||
|
m_Targets.Clear();
|
||
|
m_Targets.Add(context.source); // First target is always source
|
||
|
|
||
|
int tempTarget1 = m_TargetPool.Get();
|
||
|
int tempTarget2 = m_TargetPool.Get();
|
||
|
|
||
|
for (int i = 0; i < count - 1; i++)
|
||
|
m_Targets.Add(i % 2 == 0 ? tempTarget1 : tempTarget2);
|
||
|
|
||
|
m_Targets.Add(context.destination); // Last target is always destination
|
||
|
|
||
|
// Render
|
||
|
context.GetScreenSpaceTemporaryRT(cmd, tempTarget1, 0, context.sourceFormat);
|
||
|
if (count > 2)
|
||
|
context.GetScreenSpaceTemporaryRT(cmd, tempTarget2, 0, context.sourceFormat);
|
||
|
|
||
|
for (int i = 0; i < count; i++)
|
||
|
{
|
||
|
context.source = m_Targets[i];
|
||
|
context.destination = m_Targets[i + 1];
|
||
|
m_ActiveEffects[i].RenderOrLog(context);
|
||
|
}
|
||
|
|
||
|
cmd.ReleaseTemporaryRT(tempTarget1);
|
||
|
if (count > 2)
|
||
|
cmd.ReleaseTemporaryRT(tempTarget2);
|
||
|
}
|
||
|
|
||
|
cmd.EndSample(marker);
|
||
|
}
|
||
|
|
||
|
void ApplyFlip(PostProcessRenderContext context, MaterialPropertyBlock properties)
|
||
|
{
|
||
|
if (context.flip && !context.isSceneView)
|
||
|
properties.SetVector(ShaderIDs.UVTransform, new Vector4(1.0f, 1.0f, 0.0f, 0.0f));
|
||
|
else
|
||
|
ApplyDefaultFlip(properties);
|
||
|
}
|
||
|
|
||
|
void ApplyDefaultFlip(MaterialPropertyBlock properties)
|
||
|
{
|
||
|
properties.SetVector(ShaderIDs.UVTransform, SystemInfo.graphicsUVStartsAtTop ? new Vector4(1.0f, -1.0f, 0.0f, 1.0f) : new Vector4(1.0f, 1.0f, 0.0f, 0.0f));
|
||
|
}
|
||
|
|
||
|
int RenderBuiltins(PostProcessRenderContext context, bool isFinalPass, int releaseTargetAfterUse = -1, int eye = -1)
|
||
|
{
|
||
|
var uberSheet = context.propertySheets.Get(context.resources.shaders.uber);
|
||
|
uberSheet.ClearKeywords();
|
||
|
uberSheet.properties.Clear();
|
||
|
context.uberSheet = uberSheet;
|
||
|
context.autoExposureTexture = RuntimeUtilities.whiteTexture;
|
||
|
context.bloomBufferNameID = -1;
|
||
|
|
||
|
if (isFinalPass && context.stereoActive && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePassInstanced)
|
||
|
uberSheet.EnableKeyword("STEREO_INSTANCING_ENABLED");
|
||
|
|
||
|
var cmd = context.command;
|
||
|
cmd.BeginSample("BuiltinStack");
|
||
|
|
||
|
int tempTarget = -1;
|
||
|
var finalDestination = context.destination;
|
||
|
|
||
|
if (!isFinalPass)
|
||
|
{
|
||
|
// Render to an intermediate target as this won't be the final pass
|
||
|
tempTarget = m_TargetPool.Get();
|
||
|
context.GetScreenSpaceTemporaryRT(cmd, tempTarget, 0, context.sourceFormat);
|
||
|
context.destination = tempTarget;
|
||
|
|
||
|
// Handle FXAA's keep alpha mode
|
||
|
if (antialiasingMode == Antialiasing.FastApproximateAntialiasing && !fastApproximateAntialiasing.keepAlpha && RuntimeUtilities.hasAlpha(context.sourceFormat))
|
||
|
uberSheet.properties.SetFloat(ShaderIDs.LumaInAlpha, 1f);
|
||
|
}
|
||
|
|
||
|
// Depth of field final combination pass used to be done in Uber which led to artifacts
|
||
|
// when used at the same time as Bloom (because both effects used the same source, so
|
||
|
// the stronger bloom was, the more DoF was eaten away in out of focus areas)
|
||
|
int depthOfFieldTarget = RenderEffect<DepthOfField>(context, true);
|
||
|
|
||
|
// Motion blur is a separate pass - could potentially be done after DoF depending on the
|
||
|
// kind of results you're looking for...
|
||
|
int motionBlurTarget = RenderEffect<MotionBlur>(context, true);
|
||
|
|
||
|
// Prepare exposure histogram if needed
|
||
|
if (ShouldGenerateLogHistogram(context))
|
||
|
m_LogHistogram.Generate(context);
|
||
|
|
||
|
// Uber effects
|
||
|
// 1336238: override xrActiveEye in multipass with the currently rendered eye to fix flickering issue.
|
||
|
int xrActiveEyeBackup = context.xrActiveEye;
|
||
|
if (context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.MultiPass)
|
||
|
context.xrActiveEye = eye;
|
||
|
RenderEffect<AutoExposure>(context);
|
||
|
context.xrActiveEye = xrActiveEyeBackup; // restore the eye
|
||
|
|
||
|
uberSheet.properties.SetTexture(ShaderIDs.AutoExposureTex, context.autoExposureTexture);
|
||
|
|
||
|
RenderEffect<LensDistortion>(context);
|
||
|
RenderEffect<ChromaticAberration>(context);
|
||
|
RenderEffect<Bloom>(context);
|
||
|
RenderEffect<Vignette>(context);
|
||
|
RenderEffect<Grain>(context);
|
||
|
|
||
|
if (!breakBeforeColorGrading)
|
||
|
RenderEffect<ColorGrading>(context);
|
||
|
|
||
|
if (isFinalPass)
|
||
|
{
|
||
|
uberSheet.EnableKeyword("FINALPASS");
|
||
|
dithering.Render(context);
|
||
|
ApplyFlip(context, uberSheet.properties);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ApplyDefaultFlip(uberSheet.properties);
|
||
|
}
|
||
|
|
||
|
if (context.stereoActive && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePassInstanced)
|
||
|
{
|
||
|
uberSheet.properties.SetFloat(ShaderIDs.DepthSlice, eye);
|
||
|
cmd.BlitFullscreenTriangleToTexArray(context.source, context.destination, uberSheet, 0, false, eye);
|
||
|
}
|
||
|
else if (isFinalPass && context.stereoActive && context.numberOfEyes > 1 && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePass)
|
||
|
{
|
||
|
cmd.BlitFullscreenTriangleToDoubleWide(context.source, context.destination, uberSheet, 0, eye);
|
||
|
}
|
||
|
#if LWRP_1_0_0_OR_NEWER || UNIVERSAL_1_0_0_OR_NEWER
|
||
|
else if (isFinalPass)
|
||
|
cmd.BlitFullscreenTriangle(context.source, context.destination, uberSheet, 0, false, context.camera.pixelRect);
|
||
|
#endif
|
||
|
else
|
||
|
cmd.BlitFullscreenTriangle(context.source, context.destination, uberSheet, 0);
|
||
|
|
||
|
context.source = context.destination;
|
||
|
context.destination = finalDestination;
|
||
|
|
||
|
if (releaseTargetAfterUse > -1) cmd.ReleaseTemporaryRT(releaseTargetAfterUse);
|
||
|
if (motionBlurTarget > -1) cmd.ReleaseTemporaryRT(motionBlurTarget);
|
||
|
if (depthOfFieldTarget > -1) cmd.ReleaseTemporaryRT(depthOfFieldTarget);
|
||
|
if (context.bloomBufferNameID > -1) cmd.ReleaseTemporaryRT(context.bloomBufferNameID);
|
||
|
|
||
|
cmd.EndSample("BuiltinStack");
|
||
|
|
||
|
return tempTarget;
|
||
|
}
|
||
|
|
||
|
// This pass will have to be disabled for HDR screen output as it's an LDR pass
|
||
|
void RenderFinalPass(PostProcessRenderContext context, int releaseTargetAfterUse = -1, int eye = -1)
|
||
|
{
|
||
|
var cmd = context.command;
|
||
|
cmd.BeginSample("FinalPass");
|
||
|
|
||
|
if (breakBeforeColorGrading)
|
||
|
{
|
||
|
var sheet = context.propertySheets.Get(context.resources.shaders.discardAlpha);
|
||
|
if (context.stereoActive && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePassInstanced)
|
||
|
sheet.EnableKeyword("STEREO_INSTANCING_ENABLED");
|
||
|
|
||
|
if (context.stereoActive && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePassInstanced)
|
||
|
{
|
||
|
sheet.properties.SetFloat(ShaderIDs.DepthSlice, eye);
|
||
|
cmd.BlitFullscreenTriangleToTexArray(context.source, context.destination, sheet, 0, false, eye);
|
||
|
}
|
||
|
else if (context.stereoActive && context.numberOfEyes > 1 && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePass)
|
||
|
{
|
||
|
cmd.BlitFullscreenTriangleToDoubleWide(context.source, context.destination, sheet, 0, eye);
|
||
|
}
|
||
|
else
|
||
|
cmd.BlitFullscreenTriangle(context.source, context.destination, sheet, 0);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
var uberSheet = context.propertySheets.Get(context.resources.shaders.finalPass);
|
||
|
uberSheet.ClearKeywords();
|
||
|
uberSheet.properties.Clear();
|
||
|
context.uberSheet = uberSheet;
|
||
|
int tempTarget = -1;
|
||
|
|
||
|
if (context.stereoActive && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePassInstanced)
|
||
|
uberSheet.EnableKeyword("STEREO_INSTANCING_ENABLED");
|
||
|
|
||
|
if (antialiasingMode == Antialiasing.FastApproximateAntialiasing)
|
||
|
{
|
||
|
uberSheet.EnableKeyword(fastApproximateAntialiasing.fastMode
|
||
|
? "FXAA_LOW"
|
||
|
: "FXAA"
|
||
|
);
|
||
|
|
||
|
if (RuntimeUtilities.hasAlpha(context.sourceFormat))
|
||
|
{
|
||
|
if (fastApproximateAntialiasing.keepAlpha)
|
||
|
uberSheet.EnableKeyword("FXAA_KEEP_ALPHA");
|
||
|
}
|
||
|
else
|
||
|
uberSheet.EnableKeyword("FXAA_NO_ALPHA");
|
||
|
}
|
||
|
else if (antialiasingMode == Antialiasing.SubpixelMorphologicalAntialiasing && subpixelMorphologicalAntialiasing.IsSupported())
|
||
|
{
|
||
|
tempTarget = m_TargetPool.Get();
|
||
|
var finalDestination = context.destination;
|
||
|
context.GetScreenSpaceTemporaryRT(context.command, tempTarget, 0, context.sourceFormat);
|
||
|
context.destination = tempTarget;
|
||
|
subpixelMorphologicalAntialiasing.Render(context);
|
||
|
context.source = tempTarget;
|
||
|
context.destination = finalDestination;
|
||
|
}
|
||
|
|
||
|
dithering.Render(context);
|
||
|
|
||
|
ApplyFlip(context, uberSheet.properties);
|
||
|
if (context.stereoActive && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePassInstanced)
|
||
|
{
|
||
|
uberSheet.properties.SetFloat(ShaderIDs.DepthSlice, eye);
|
||
|
cmd.BlitFullscreenTriangleToTexArray(context.source, context.destination, uberSheet, 0, false, eye);
|
||
|
}
|
||
|
else if (context.stereoActive && context.numberOfEyes > 1 && context.stereoRenderingMode == PostProcessRenderContext.StereoRenderingMode.SinglePass)
|
||
|
{
|
||
|
cmd.BlitFullscreenTriangleToDoubleWide(context.source, context.destination, uberSheet, 0, eye);
|
||
|
}
|
||
|
else
|
||
|
#if LWRP_1_0_0_OR_NEWER || UNIVERSAL_1_0_0_OR_NEWER
|
||
|
cmd.BlitFullscreenTriangle(context.source, context.destination, uberSheet, 0, false, context.camera.pixelRect);
|
||
|
#else
|
||
|
cmd.BlitFullscreenTriangle(context.source, context.destination, uberSheet, 0);
|
||
|
#endif
|
||
|
|
||
|
if (tempTarget > -1)
|
||
|
cmd.ReleaseTemporaryRT(tempTarget);
|
||
|
}
|
||
|
|
||
|
if (releaseTargetAfterUse > -1)
|
||
|
cmd.ReleaseTemporaryRT(releaseTargetAfterUse);
|
||
|
|
||
|
cmd.EndSample("FinalPass");
|
||
|
}
|
||
|
|
||
|
int RenderEffect<T>(PostProcessRenderContext context, bool useTempTarget = false)
|
||
|
where T : PostProcessEffectSettings
|
||
|
{
|
||
|
var effect = GetBundle<T>();
|
||
|
|
||
|
if (!effect.settings.IsEnabledAndSupported(context))
|
||
|
return -1;
|
||
|
|
||
|
if (m_IsRenderingInSceneView && !effect.attribute.allowInSceneView)
|
||
|
return -1;
|
||
|
|
||
|
if (!useTempTarget)
|
||
|
{
|
||
|
effect.renderer.RenderOrLog(context);
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
var finalDestination = context.destination;
|
||
|
var tempTarget = m_TargetPool.Get();
|
||
|
context.GetScreenSpaceTemporaryRT(context.command, tempTarget, 0, context.sourceFormat);
|
||
|
context.destination = tempTarget;
|
||
|
effect.renderer.RenderOrLog(context);
|
||
|
context.source = tempTarget;
|
||
|
context.destination = finalDestination;
|
||
|
return tempTarget;
|
||
|
}
|
||
|
|
||
|
bool ShouldGenerateLogHistogram(PostProcessRenderContext context)
|
||
|
{
|
||
|
bool autoExpo = GetBundle<AutoExposure>().settings.IsEnabledAndSupported(context);
|
||
|
bool lightMeter = debugLayer.lightMeter.IsRequestedAndSupported(context);
|
||
|
return autoExpo || lightMeter;
|
||
|
}
|
||
|
}
|
||
|
}
|