134 lines
4.3 KiB
C#
134 lines
4.3 KiB
C#
// Crest Water System
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// Copyright © 2024 Wave Harmonic. All rights reserved.
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#if d_UnityHDRP
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.HighDefinition;
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using UnityEngine.Rendering.RendererUtils;
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namespace WaveHarmonic.Crest
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{
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partial class SurfaceRenderer
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{
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internal sealed class WaterSurfaceCustomPass : CustomPass
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{
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const string k_Name = "Water Surface";
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static WaterSurfaceCustomPass s_Instance;
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WaterRenderer _Water;
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// We disable the pass we want, so target another.
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ShaderTagId _ShaderTagID = new("DepthOnly");
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static readonly RenderTargetIdentifier[] s_RenderTargets = new RenderTargetIdentifier[2];
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public static void Enable(WaterRenderer renderer)
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{
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var gameObject = CustomPassHelpers.CreateOrUpdate
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(
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parent: renderer.Container.transform,
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k_Name,
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hide: !renderer._Debug._ShowHiddenObjects
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);
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CustomPassHelpers.CreateOrUpdate
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(
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gameObject,
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ref s_Instance,
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WaterRenderer.k_DrawWater,
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CustomPassInjectionPoint.BeforeTransparent
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);
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s_Instance._Water = renderer;
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s_Instance.targetColorBuffer = TargetBuffer.Camera;
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s_Instance.targetDepthBuffer = TargetBuffer.Camera;
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}
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public static void Disable()
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{
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// It should be safe to rely on this reference for this reference to fail.
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if (s_Instance != null && s_Instance._GameObject != null)
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{
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// Will also trigger Cleanup below.
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s_Instance._GameObject.SetActive(false);
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}
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}
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protected override void Execute(CustomPassContext context)
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{
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var hdCamera = context.hdCamera;
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var camera = hdCamera.camera;
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if (!WaterRenderer.ShouldRender(camera, _Water.Surface.Layer))
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{
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return;
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}
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// Our reflections do not need them.
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if (camera == WaterReflections.CurrentCamera)
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{
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return;
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}
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if (_Water.Surface.Material == null)
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{
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return;
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}
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if (hdCamera.msaaEnabled)
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{
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WaterRenderer.s_CameraMSAA = true;
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return;
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}
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var buffer = context.cmd;
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buffer.BeginSample(k_DrawWaterSurface);
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s_RenderTargets[0] = context.cameraColorBuffer;
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s_RenderTargets[1] = context.cameraMotionVectorsBuffer;
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CoreUtils.SetRenderTarget(buffer, s_RenderTargets, context.cameraDepthBuffer);
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var apv = FrameSettingsField.
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#if UNITY_6000_0_OR_NEWER
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AdaptiveProbeVolume;
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#else
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ProbeVolume;
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#endif
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var rendererConfiguration = HDUtils.GetRendererConfiguration
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(
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context.hdCamera.frameSettings.IsEnabled(apv),
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context.hdCamera.frameSettings.IsEnabled(FrameSettingsField.Shadowmask)
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);
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if (hdCamera.frameSettings.IsEnabled(FrameSettingsField.MotionVectors))
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{
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rendererConfiguration |= PerObjectData.MotionVectors;
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}
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var rld = new RendererListDesc(_ShaderTagID, context.cullingResults, camera)
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{
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layerMask = 1 << _Water.Surface.Layer,
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overrideShader = _Water.Surface.Material.shader,
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overrideShaderPassIndex = _Water.Surface.Material.FindPass("Forward"),
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renderQueueRange = RenderQueueRange.transparent,
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sortingCriteria = SortingCriteria.CommonOpaque,
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excludeObjectMotionVectors = false,
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rendererConfiguration = rendererConfiguration,
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};
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buffer.DrawRendererList(context.renderContext.CreateRendererList(rld));
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buffer.EndSample(k_DrawWaterSurface);
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}
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}
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}
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}
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#endif
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