642 lines
24 KiB
C#
642 lines
24 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEditor;
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using UnityEngine.Serialization;
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using UnityEngine.Assertions;
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namespace UnityEngine.Rendering.Universal
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{
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/// <summary>
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/// Holds information about whether to override certain camera rendering options from the render pipeline asset.
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/// When set to <c>Off</c> option will be disabled regardless of what is set on the pipeline asset.
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/// When set to <c>On</c> option will be enabled regardless of what is set on the pipeline asset.
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/// When set to <c>UsePipelineSetting</c> value set in the <see cref="UniversalRenderPipelineAsset"/>.
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/// </summary>
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public enum CameraOverrideOption
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{
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Off,
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On,
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UsePipelineSettings,
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}
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//[Obsolete("Renderer override is no longer used, renderers are referenced by index on the pipeline asset.")]
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public enum RendererOverrideOption
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{
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Custom,
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UsePipelineSettings,
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}
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/// <summary>
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/// Holds information about the post-processing anti-aliasing mode.
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/// When set to <c>None</c> no post-processing anti-aliasing pass will be performed.
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/// When set to <c>Fast</c> a fast approximated anti-aliasing pass will render when resolving the camera to screen.
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/// When set to <c>SubpixelMorphologicalAntiAliasing</c> SMAA pass will render when resolving the camera to screen. You can choose the SMAA quality by setting <seealso cref="AntialiasingQuality"/>
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/// </summary>
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public enum AntialiasingMode
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{
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[InspectorName("No Anti-aliasing")]
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None,
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[InspectorName("Fast Approximate Anti-aliasing (FXAA)")]
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FastApproximateAntialiasing,
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[InspectorName("Subpixel Morphological Anti-aliasing (SMAA)")]
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SubpixelMorphologicalAntiAliasing,
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//TemporalAntialiasing
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}
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/// <summary>
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/// Holds information about the render type of a camera. Options are Base or Overlay.
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/// Base rendering type allows the camera to render to either the screen or to a texture.
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/// Overlay rendering type allows the camera to render on top of a previous camera output, thus compositing camera results.
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/// </summary>
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public enum CameraRenderType
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{
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Base,
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Overlay,
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}
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/// <summary>
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/// Controls SMAA anti-aliasing quality.
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/// </summary>
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public enum AntialiasingQuality
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{
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Low,
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Medium,
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High
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}
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/// <summary>
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/// Contains extension methods for Camera class.
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/// </summary>
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public static class CameraExtensions
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{
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/// <summary>
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/// Universal Render Pipeline exposes additional rendering data in a separate component.
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/// This method returns the additional data component for the given camera or create one if it doesn't exist yet.
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/// </summary>
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/// <param name="camera"></param>
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/// <returns>The <c>UniversalAdditionalCameraData</c> for this camera.</returns>
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/// <see cref="UniversalAdditionalCameraData"/>
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public static UniversalAdditionalCameraData GetUniversalAdditionalCameraData(this Camera camera)
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{
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var gameObject = camera.gameObject;
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bool componentExists = gameObject.TryGetComponent<UniversalAdditionalCameraData>(out var cameraData);
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if (!componentExists)
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cameraData = gameObject.AddComponent<UniversalAdditionalCameraData>();
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return cameraData;
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}
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/// <summary>
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/// Returns the VolumeFrameworkUpdateMode set on the camera.
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/// </summary>
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/// <param name="camera"></param>
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/// <returns></returns>
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public static VolumeFrameworkUpdateMode GetVolumeFrameworkUpdateMode(this Camera camera)
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{
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UniversalAdditionalCameraData cameraData = camera.GetUniversalAdditionalCameraData();
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return cameraData.volumeFrameworkUpdateMode;
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}
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/// <summary>
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/// Sets the VolumeFrameworkUpdateMode for the camera.
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/// </summary>
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/// <param name="camera"></param>
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/// <param name="mode"></param>
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public static void SetVolumeFrameworkUpdateMode(this Camera camera, VolumeFrameworkUpdateMode mode)
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{
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UniversalAdditionalCameraData cameraData = camera.GetUniversalAdditionalCameraData();
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if (cameraData.volumeFrameworkUpdateMode == mode)
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{
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return;
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}
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bool requiredUpdatePreviously = cameraData.requiresVolumeFrameworkUpdate;
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cameraData.volumeFrameworkUpdateMode = mode;
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// We only update the local volume stacks for cameras set to ViaScripting.
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// Otherwise it will be updated in every frame.
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// We also check the previous value to make sure we're not updating when
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// switching between Camera ViaScripting and the URP Asset set to ViaScripting
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if (requiredUpdatePreviously && !cameraData.requiresVolumeFrameworkUpdate)
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{
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camera.UpdateVolumeStack(cameraData);
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}
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}
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/// <summary>
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/// Updates the volume stack for this camera.
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/// This function will only update the stack when the camera has VolumeFrameworkUpdateMode set to ViaScripting
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/// or when it set to UsePipelineSettings and the update mode on the Render Pipeline Asset is set to ViaScripting.
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/// </summary>
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/// <param name="camera"></param>
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public static void UpdateVolumeStack(this Camera camera)
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{
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UniversalAdditionalCameraData cameraData = camera.GetUniversalAdditionalCameraData();
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camera.UpdateVolumeStack(cameraData);
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}
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/// <summary>
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/// Updates the volume stack for this camera.
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/// This function will only update the stack when the camera has ViaScripting selected or if
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/// the camera is set to UsePipelineSettings and the Render Pipeline Asset is set to ViaScripting.
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/// </summary>
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/// <param name="camera"></param>
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/// <param name="cameraData"></param>
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public static void UpdateVolumeStack(this Camera camera, UniversalAdditionalCameraData cameraData)
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{
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Assert.IsNotNull(cameraData, "cameraData can not be null when updating the volume stack.");
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// We only update the local volume stacks for cameras set to ViaScripting.
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// Otherwise it will be updated in the frame.
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if (cameraData.requiresVolumeFrameworkUpdate)
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{
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return;
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}
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// Create stack for camera
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if (cameraData.volumeStack == null)
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{
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cameraData.volumeStack = VolumeManager.instance.CreateStack();
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}
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camera.GetVolumeLayerMaskAndTrigger(cameraData, out LayerMask layerMask, out Transform trigger);
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VolumeManager.instance.Update(cameraData.volumeStack, trigger, layerMask);
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}
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/// <summary>
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/// Destroys the volume stack for this camera.
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/// </summary>
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/// <param name="camera"></param>
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public static void DestroyVolumeStack(this Camera camera)
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{
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UniversalAdditionalCameraData cameraData = camera.GetUniversalAdditionalCameraData();
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camera.DestroyVolumeStack(cameraData);
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}
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/// <summary>
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/// Destroys the volume stack for this camera.
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/// </summary>
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/// <param name="camera"></param>
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/// <param name="cameraData"></param>
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public static void DestroyVolumeStack(this Camera camera, UniversalAdditionalCameraData cameraData)
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{
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cameraData.volumeStack.Dispose();
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cameraData.volumeStack = null;
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}
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/// <summary>
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/// Returns the mask and trigger assigned for volumes on the camera.
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/// </summary>
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/// <param name="camera"></param>
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/// <param name="cameraData"></param>
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/// <param name="layerMask"></param>
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/// <param name="trigger"></param>
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internal static void GetVolumeLayerMaskAndTrigger(this Camera camera, UniversalAdditionalCameraData cameraData, out LayerMask layerMask, out Transform trigger)
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{
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// Default values when there's no additional camera data available
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layerMask = 1; // "Default"
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trigger = camera.transform;
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if (cameraData != null)
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{
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layerMask = cameraData.volumeLayerMask;
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trigger = (cameraData.volumeTrigger != null) ? cameraData.volumeTrigger : trigger;
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}
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else if (camera.cameraType == CameraType.SceneView)
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{
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// Try to mirror the MainCamera volume layer mask for the scene view - do not mirror the target
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var mainCamera = Camera.main;
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UniversalAdditionalCameraData mainAdditionalCameraData = null;
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if (mainCamera != null && mainCamera.TryGetComponent(out mainAdditionalCameraData))
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{
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layerMask = mainAdditionalCameraData.volumeLayerMask;
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}
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trigger = (mainAdditionalCameraData != null && mainAdditionalCameraData.volumeTrigger != null) ? mainAdditionalCameraData.volumeTrigger : trigger;
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}
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}
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}
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static class CameraTypeUtility
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{
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static string[] s_CameraTypeNames = Enum.GetNames(typeof(CameraRenderType)).ToArray();
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public static string GetName(this CameraRenderType type)
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{
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int typeInt = (int)type;
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if (typeInt < 0 || typeInt >= s_CameraTypeNames.Length)
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typeInt = (int)CameraRenderType.Base;
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return s_CameraTypeNames[typeInt];
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}
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}
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[DisallowMultipleComponent]
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[RequireComponent(typeof(Camera))]
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[ImageEffectAllowedInSceneView]
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[URPHelpURL("universal-additional-camera-data")]
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public class UniversalAdditionalCameraData : MonoBehaviour, ISerializationCallbackReceiver, IAdditionalData
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{
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const string k_GizmoPath = "Packages/com.unity.render-pipelines.universal/Editor/Gizmos/";
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const string k_BaseCameraGizmoPath = k_GizmoPath + "Camera_Base.png";
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const string k_OverlayCameraGizmoPath = k_GizmoPath + "Camera_Base.png";
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const string k_PostProcessingGizmoPath = k_GizmoPath + "Camera_PostProcessing.png";
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[FormerlySerializedAs("renderShadows"), SerializeField]
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bool m_RenderShadows = true;
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[SerializeField]
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CameraOverrideOption m_RequiresDepthTextureOption = CameraOverrideOption.UsePipelineSettings;
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[SerializeField]
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CameraOverrideOption m_RequiresOpaqueTextureOption = CameraOverrideOption.UsePipelineSettings;
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[SerializeField] CameraRenderType m_CameraType = CameraRenderType.Base;
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[SerializeField] List<Camera> m_Cameras = new List<Camera>();
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[SerializeField] int m_RendererIndex = -1;
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[SerializeField] LayerMask m_VolumeLayerMask = 1; // "Default"
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[SerializeField] Transform m_VolumeTrigger = null;
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[SerializeField] VolumeFrameworkUpdateMode m_VolumeFrameworkUpdateModeOption = VolumeFrameworkUpdateMode.UsePipelineSettings;
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[SerializeField] bool m_RenderPostProcessing = false;
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[SerializeField] AntialiasingMode m_Antialiasing = AntialiasingMode.None;
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[SerializeField] AntialiasingQuality m_AntialiasingQuality = AntialiasingQuality.High;
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[SerializeField] bool m_StopNaN = false;
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[SerializeField] bool m_Dithering = false;
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[SerializeField] bool m_ClearDepth = true;
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[SerializeField] bool m_AllowXRRendering = true;
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[NonSerialized] Camera m_Camera;
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// Deprecated:
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[FormerlySerializedAs("requiresDepthTexture"), SerializeField]
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bool m_RequiresDepthTexture = false;
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[FormerlySerializedAs("requiresColorTexture"), SerializeField]
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bool m_RequiresColorTexture = false;
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[HideInInspector] [SerializeField] float m_Version = 2;
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// These persist over multiple frames
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[NonSerialized] MotionVectorsPersistentData m_MotionVectorsPersistentData = new MotionVectorsPersistentData();
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public float version => m_Version;
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static UniversalAdditionalCameraData s_DefaultAdditionalCameraData = null;
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internal static UniversalAdditionalCameraData defaultAdditionalCameraData
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{
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get
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{
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if (s_DefaultAdditionalCameraData == null)
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s_DefaultAdditionalCameraData = new UniversalAdditionalCameraData();
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return s_DefaultAdditionalCameraData;
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}
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}
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#if UNITY_EDITOR
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internal new Camera camera
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#else
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internal Camera camera
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#endif
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{
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get
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{
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if (!m_Camera)
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{
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gameObject.TryGetComponent<Camera>(out m_Camera);
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}
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return m_Camera;
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}
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}
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/// <summary>
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/// Controls if this camera should render shadows.
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/// </summary>
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public bool renderShadows
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{
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get => m_RenderShadows;
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set => m_RenderShadows = value;
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}
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/// <summary>
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/// Controls if a camera should render depth.
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/// The depth is available to be bound in shaders as _CameraDepthTexture.
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/// <seealso cref="CameraOverrideOption"/>
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/// </summary>
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public CameraOverrideOption requiresDepthOption
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{
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get => m_RequiresDepthTextureOption;
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set => m_RequiresDepthTextureOption = value;
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}
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/// <summary>
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/// Controls if a camera should copy the color contents of a camera after rendering opaques.
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/// The color texture is available to be bound in shaders as _CameraOpaqueTexture.
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/// </summary>
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public CameraOverrideOption requiresColorOption
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{
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get => m_RequiresOpaqueTextureOption;
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set => m_RequiresOpaqueTextureOption = value;
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}
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/// <summary>
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/// Returns the camera renderType.
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/// <see cref="CameraRenderType"/>.
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/// </summary>
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public CameraRenderType renderType
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{
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get => m_CameraType;
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set => m_CameraType = value;
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}
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/// <summary>
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/// Returns the camera stack. Only valid for Base cameras.
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/// Will return null if it is not a Base camera.
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/// <seealso cref="CameraRenderType"/>.
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/// </summary>
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public List<Camera> cameraStack
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{
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get
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{
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if (renderType != CameraRenderType.Base)
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{
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var camera = gameObject.GetComponent<Camera>();
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Debug.LogWarning(string.Format("{0}: This camera is of {1} type. Only Base cameras can have a camera stack.", camera.name, renderType));
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return null;
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}
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if (!scriptableRenderer.SupportsCameraStackingType(CameraRenderType.Base))
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{
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var camera = gameObject.GetComponent<Camera>();
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Debug.LogWarning(string.Format("{0}: This camera has a ScriptableRenderer that doesn't support camera stacking. Camera stack is null.", camera.name));
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return null;
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}
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return m_Cameras;
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}
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}
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internal void UpdateCameraStack()
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{
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#if UNITY_EDITOR
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Undo.RecordObject(this, "Update camera stack");
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#endif
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int prev = m_Cameras.Count;
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m_Cameras.RemoveAll(cam => cam == null);
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int curr = m_Cameras.Count;
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int removedCamsCount = prev - curr;
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if (removedCamsCount != 0)
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{
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Debug.LogWarning(name + ": " + removedCamsCount + " camera overlay" + (removedCamsCount > 1 ? "s" : "") + " no longer exists and will be removed from the camera stack.");
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}
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}
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/// <summary>
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/// If true, this camera will clear depth value before rendering. Only valid for Overlay cameras.
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/// </summary>
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public bool clearDepth
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{
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get => m_ClearDepth;
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}
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/// <summary>
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/// Returns true if this camera needs to render depth information in a texture.
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/// If enabled, depth texture is available to be bound and read from shaders as _CameraDepthTexture after rendering skybox.
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/// </summary>
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public bool requiresDepthTexture
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{
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get
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{
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if (m_RequiresDepthTextureOption == CameraOverrideOption.UsePipelineSettings)
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{
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return UniversalRenderPipeline.asset.supportsCameraDepthTexture;
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}
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else
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{
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return m_RequiresDepthTextureOption == CameraOverrideOption.On;
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}
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}
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set { m_RequiresDepthTextureOption = (value) ? CameraOverrideOption.On : CameraOverrideOption.Off; }
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}
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/// <summary>
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/// Returns true if this camera requires to color information in a texture.
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/// If enabled, color texture is available to be bound and read from shaders as _CameraOpaqueTexture after rendering skybox.
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/// </summary>
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public bool requiresColorTexture
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{
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get
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{
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if (m_RequiresOpaqueTextureOption == CameraOverrideOption.UsePipelineSettings)
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{
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return UniversalRenderPipeline.asset.supportsCameraOpaqueTexture;
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}
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else
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{
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return m_RequiresOpaqueTextureOption == CameraOverrideOption.On;
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}
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}
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set { m_RequiresOpaqueTextureOption = (value) ? CameraOverrideOption.On : CameraOverrideOption.Off; }
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}
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/// <summary>
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/// Returns the <see cref="ScriptableRenderer"/> that is used to render this camera.
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/// </summary>
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public ScriptableRenderer scriptableRenderer
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{
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get
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{
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if (UniversalRenderPipeline.asset is null)
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return null;
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if (!UniversalRenderPipeline.asset.ValidateRendererData(m_RendererIndex))
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{
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int defaultIndex = UniversalRenderPipeline.asset.m_DefaultRendererIndex;
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Debug.LogWarning(
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$"Renderer at <b>index {m_RendererIndex.ToString()}</b> is missing for camera <b>{camera.name}</b>, falling back to Default Renderer. <b>{UniversalRenderPipeline.asset.m_RendererDataList[defaultIndex].name}</b>",
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UniversalRenderPipeline.asset);
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return UniversalRenderPipeline.asset.GetRenderer(defaultIndex);
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}
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return UniversalRenderPipeline.asset.GetRenderer(m_RendererIndex);
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}
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}
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/// <summary>
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/// Use this to set this Camera's current <see cref="ScriptableRenderer"/> to one listed on the Render Pipeline Asset. Takes an index that maps to the list on the Render Pipeline Asset.
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/// </summary>
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/// <param name="index">The index that maps to the RendererData list on the currently assigned Render Pipeline Asset</param>
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public void SetRenderer(int index)
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{
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m_RendererIndex = index;
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}
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/// <summary>
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/// Returns the selected scene-layers affecting this camera.
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/// </summary>
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public LayerMask volumeLayerMask
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{
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get => m_VolumeLayerMask;
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set => m_VolumeLayerMask = value;
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}
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/// <summary>
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/// Returns the Transform that acts as a trigger for Volume blending.
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/// </summary>
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public Transform volumeTrigger
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{
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get => m_VolumeTrigger;
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set => m_VolumeTrigger = value;
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}
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/// <summary>
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/// Returns the selected mode for Volume Frame Updates.
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/// </summary>
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internal VolumeFrameworkUpdateMode volumeFrameworkUpdateMode
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{
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get => m_VolumeFrameworkUpdateModeOption;
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set => m_VolumeFrameworkUpdateModeOption = value;
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}
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/// <summary>
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/// Returns true if this camera requires the volume framework to be updated every frame.
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/// </summary>
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public bool requiresVolumeFrameworkUpdate
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{
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get
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{
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if (m_VolumeFrameworkUpdateModeOption == VolumeFrameworkUpdateMode.UsePipelineSettings)
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{
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return UniversalRenderPipeline.asset.volumeFrameworkUpdateMode != VolumeFrameworkUpdateMode.ViaScripting;
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}
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return m_VolumeFrameworkUpdateModeOption == VolumeFrameworkUpdateMode.EveryFrame;
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}
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}
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/// <summary>
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/// Returns the current volume stack used by this camera.
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/// </summary>
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VolumeStack m_VolumeStack = null;
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public VolumeStack volumeStack
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{
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get => m_VolumeStack;
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set => m_VolumeStack = value;
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}
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/// <summary>
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/// Returns true if this camera should render post-processing.
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/// </summary>
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public bool renderPostProcessing
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{
|
|
get => m_RenderPostProcessing;
|
|
set => m_RenderPostProcessing = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the current anti-aliasing mode used by this camera.
|
|
/// <see cref="AntialiasingMode"/>.
|
|
/// </summary>
|
|
public AntialiasingMode antialiasing
|
|
{
|
|
get => m_Antialiasing;
|
|
set => m_Antialiasing = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the current anti-aliasing quality used by this camera.
|
|
/// <seealso cref="antialiasingQuality"/>.
|
|
/// </summary>
|
|
public AntialiasingQuality antialiasingQuality
|
|
{
|
|
get => m_AntialiasingQuality;
|
|
set => m_AntialiasingQuality = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Motion data that persists over a frame.
|
|
/// </summary>
|
|
internal MotionVectorsPersistentData motionVectorsPersistentData => m_MotionVectorsPersistentData;
|
|
|
|
/// <summary>
|
|
/// Returns true if this camera should automatically replace NaN/Inf in shaders by a black pixel to avoid breaking some effects.
|
|
/// </summary>
|
|
public bool stopNaN
|
|
{
|
|
get => m_StopNaN;
|
|
set => m_StopNaN = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns true if this camera applies 8-bit dithering to the final render to reduce color banding
|
|
/// </summary>
|
|
public bool dithering
|
|
{
|
|
get => m_Dithering;
|
|
set => m_Dithering = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns true if this camera allows render in XR.
|
|
/// </summary>
|
|
public bool allowXRRendering
|
|
{
|
|
get => m_AllowXRRendering;
|
|
set => m_AllowXRRendering = value;
|
|
}
|
|
|
|
public void OnBeforeSerialize()
|
|
{
|
|
}
|
|
|
|
public void OnAfterDeserialize()
|
|
{
|
|
if (version <= 1)
|
|
{
|
|
m_RequiresDepthTextureOption = (m_RequiresDepthTexture) ? CameraOverrideOption.On : CameraOverrideOption.Off;
|
|
m_RequiresOpaqueTextureOption = (m_RequiresColorTexture) ? CameraOverrideOption.On : CameraOverrideOption.Off;
|
|
}
|
|
}
|
|
|
|
public void OnDrawGizmos()
|
|
{
|
|
string gizmoName = "";
|
|
Color tint = Color.white;
|
|
|
|
if (m_CameraType == CameraRenderType.Base)
|
|
{
|
|
gizmoName = k_BaseCameraGizmoPath;
|
|
}
|
|
else if (m_CameraType == CameraRenderType.Overlay)
|
|
{
|
|
gizmoName = k_OverlayCameraGizmoPath;
|
|
}
|
|
|
|
#if UNITY_2019_2_OR_NEWER
|
|
#if UNITY_EDITOR
|
|
if (Selection.activeObject == gameObject)
|
|
{
|
|
// Get the preferences selection color
|
|
tint = SceneView.selectedOutlineColor;
|
|
}
|
|
#endif
|
|
if (!string.IsNullOrEmpty(gizmoName))
|
|
{
|
|
Gizmos.DrawIcon(transform.position, gizmoName, true, tint);
|
|
}
|
|
|
|
if (renderPostProcessing)
|
|
{
|
|
Gizmos.DrawIcon(transform.position, k_PostProcessingGizmoPath, true, tint);
|
|
}
|
|
#else
|
|
if (renderPostProcessing)
|
|
{
|
|
Gizmos.DrawIcon(transform.position, k_PostProcessingGizmoPath);
|
|
}
|
|
Gizmos.DrawIcon(transform.position, gizmoName);
|
|
#endif
|
|
}
|
|
}
|
|
}
|