54 lines
2.1 KiB
C#
54 lines
2.1 KiB
C#
using System;
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namespace UnityEngine.Rendering.PostProcessing
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{
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/// <summary>
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/// This class holds settings for the Fog effect with the deferred rendering path.
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/// </summary>
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[UnityEngine.Scripting.Preserve]
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[Serializable]
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public sealed class Fog
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{
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/// <summary>
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/// If <c>true</c>, enables the internal deferred fog pass. Actual fog settings should be
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/// set in the Lighting panel.
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/// </summary>
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[Tooltip("Enables the internal deferred fog pass. Actual fog settings should be set in the Lighting panel.")]
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public bool enabled = true;
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/// <summary>
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/// Should the fog affect the skybox?
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/// </summary>
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[Tooltip("Mark true for the fog to ignore the skybox")]
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public bool excludeSkybox = true;
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internal DepthTextureMode GetCameraFlags()
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{
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return DepthTextureMode.Depth;
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}
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internal bool IsEnabledAndSupported(PostProcessRenderContext context)
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{
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return enabled
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&& RenderSettings.fog
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&& !RuntimeUtilities.scriptableRenderPipelineActive
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&& context.resources.shaders.deferredFog
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&& context.resources.shaders.deferredFog.isSupported
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&& context.camera.actualRenderingPath == RenderingPath.DeferredShading; // In forward fog is already done at shader level
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}
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internal void Render(PostProcessRenderContext context)
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{
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var sheet = context.propertySheets.Get(context.resources.shaders.deferredFog);
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sheet.ClearKeywords();
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var fogColor = RuntimeUtilities.isLinearColorSpace ? RenderSettings.fogColor.linear : RenderSettings.fogColor;
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sheet.properties.SetVector(ShaderIDs.FogColor, fogColor);
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sheet.properties.SetVector(ShaderIDs.FogParams, new Vector3(RenderSettings.fogDensity, RenderSettings.fogStartDistance, RenderSettings.fogEndDistance));
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var cmd = context.command;
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cmd.BlitFullscreenTriangle(context.source, context.destination, sheet, excludeSkybox ? 1 : 0, false, null, true);
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}
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}
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}
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