您最多选择25个主题
主题必须以中文或者字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
258 行
12 KiB
258 行
12 KiB
using System.Collections.Generic;
|
|
using UnityEngine;
|
|
using UnityEngine.Experimental.Rendering;
|
|
using UnityEngine.Experimental.Rendering.HDPipeline;
|
|
|
|
namespace UnityEditor.Experimental.Rendering.HDPipeline
|
|
{
|
|
[CustomEditor(typeof(DiffusionProfileSettings))]
|
|
public sealed partial class DiffusionProfileSettingsEditor : HDBaseEditor<DiffusionProfileSettings>
|
|
{
|
|
sealed class Profile
|
|
{
|
|
internal SerializedProperty self;
|
|
internal DiffusionProfile objReference;
|
|
|
|
internal SerializedProperty name;
|
|
|
|
internal SerializedProperty scatteringDistance;
|
|
internal SerializedProperty transmissionTint;
|
|
internal SerializedProperty texturingMode;
|
|
internal SerializedProperty transmissionMode;
|
|
internal SerializedProperty thicknessRemap;
|
|
internal SerializedProperty worldScale;
|
|
internal SerializedProperty ior;
|
|
|
|
// Old SSS Model >>>
|
|
internal SerializedProperty scatterDistance1;
|
|
internal SerializedProperty scatterDistance2;
|
|
internal SerializedProperty lerpWeight;
|
|
// <<< Old SSS Model
|
|
|
|
// Render preview
|
|
internal RenderTexture profileRT;
|
|
internal RenderTexture transmittanceRT;
|
|
|
|
internal Profile()
|
|
{
|
|
profileRT = new RenderTexture(256, 256, 0, RenderTextureFormat.DefaultHDR);
|
|
transmittanceRT = new RenderTexture( 16, 256, 0, RenderTextureFormat.DefaultHDR);
|
|
}
|
|
|
|
internal void Release()
|
|
{
|
|
CoreUtils.Destroy(profileRT);
|
|
CoreUtils.Destroy(transmittanceRT);
|
|
}
|
|
}
|
|
|
|
List<Profile> m_Profiles;
|
|
|
|
Material m_ProfileMaterial;
|
|
Material m_TransmittanceMaterial;
|
|
|
|
protected override void OnEnable()
|
|
{
|
|
base.OnEnable();
|
|
|
|
// These shaders don't need to be reference by RenderPipelineResource as they are not use at runtime
|
|
m_ProfileMaterial = CoreUtils.CreateEngineMaterial("Hidden/HDRenderPipeline/DrawDiffusionProfile");
|
|
m_TransmittanceMaterial = CoreUtils.CreateEngineMaterial("Hidden/HDRenderPipeline/DrawTransmittanceGraph");
|
|
|
|
int count = DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT - 1;
|
|
m_Profiles = new List<Profile>();
|
|
|
|
var serializedProfiles = properties.Find(x => x.profiles);
|
|
|
|
for (int i = 0; i < count; i++)
|
|
{
|
|
var serializedProfile = serializedProfiles.GetArrayElementAtIndex(i);
|
|
var rp = new RelativePropertyFetcher<DiffusionProfile>(serializedProfile);
|
|
|
|
var profile = new Profile
|
|
{
|
|
self = serializedProfile,
|
|
objReference = m_Target.profiles[i],
|
|
|
|
name = rp.Find(x => x.name),
|
|
|
|
scatteringDistance = rp.Find(x => x.scatteringDistance),
|
|
transmissionTint = rp.Find(x => x.transmissionTint),
|
|
texturingMode = rp.Find(x => x.texturingMode),
|
|
transmissionMode = rp.Find(x => x.transmissionMode),
|
|
thicknessRemap = rp.Find(x => x.thicknessRemap),
|
|
worldScale = rp.Find(x => x.worldScale),
|
|
ior = rp.Find(x => x.ior),
|
|
|
|
scatterDistance1 = rp.Find(x => x.scatterDistance1),
|
|
scatterDistance2 = rp.Find(x => x.scatterDistance2),
|
|
lerpWeight = rp.Find(x => x.lerpWeight)
|
|
};
|
|
|
|
m_Profiles.Add(profile);
|
|
}
|
|
}
|
|
|
|
void OnDisable()
|
|
{
|
|
CoreUtils.Destroy(m_ProfileMaterial);
|
|
CoreUtils.Destroy(m_TransmittanceMaterial);
|
|
|
|
foreach (var profile in m_Profiles)
|
|
profile.Release();
|
|
|
|
m_Profiles = null;
|
|
}
|
|
|
|
public override void OnInspectorGUI()
|
|
{
|
|
CheckStyles();
|
|
|
|
// Display a warning if this settings asset is not currently in use
|
|
if (m_HDPipeline == null || m_HDPipeline.diffusionProfileSettings != m_Target)
|
|
EditorGUILayout.HelpBox("These profiles aren't currently in use, assign this asset to the HD render pipeline asset to use them.", MessageType.Warning);
|
|
|
|
serializedObject.Update();
|
|
|
|
EditorGUILayout.Space();
|
|
|
|
if (m_Profiles == null || m_Profiles.Count == 0)
|
|
return;
|
|
|
|
bool useDisneySSS = ShaderConfig.k_UseDisneySSS == 1;
|
|
|
|
for (int i = 0; i < m_Profiles.Count; i++)
|
|
{
|
|
var profile = m_Profiles[i];
|
|
|
|
CoreEditorUtils.DrawSplitter();
|
|
|
|
bool state = profile.self.isExpanded;
|
|
state = CoreEditorUtils.DrawHeaderFoldout(profile.name.stringValue, state);
|
|
|
|
if (state)
|
|
{
|
|
EditorGUI.indentLevel++;
|
|
EditorGUILayout.PropertyField(profile.name);
|
|
|
|
using (var scope = new EditorGUI.ChangeCheckScope())
|
|
{
|
|
if (useDisneySSS)
|
|
{
|
|
EditorGUILayout.PropertyField(profile.scatteringDistance, s_Styles.profileScatteringDistance);
|
|
|
|
using (new EditorGUI.DisabledScope(true))
|
|
EditorGUILayout.FloatField(s_Styles.profileMaxRadius, profile.objReference.maxRadius);
|
|
}
|
|
else
|
|
{
|
|
EditorGUILayout.PropertyField(profile.scatterDistance1, s_Styles.profileScatterDistance1);
|
|
EditorGUILayout.PropertyField(profile.scatterDistance2, s_Styles.profileScatterDistance2);
|
|
EditorGUILayout.PropertyField(profile.lerpWeight, s_Styles.profileLerpWeight);
|
|
}
|
|
|
|
EditorGUILayout.Slider(profile.ior, 1.0f, 2.0f, s_Styles.profileIor);
|
|
EditorGUILayout.PropertyField(profile.worldScale, s_Styles.profileWorldScale);
|
|
|
|
EditorGUILayout.Space();
|
|
EditorGUILayout.LabelField(s_Styles.SubsurfaceScatteringLabel, EditorStyles.boldLabel);
|
|
|
|
profile.texturingMode.intValue = EditorGUILayout.Popup(s_Styles.texturingMode, profile.texturingMode.intValue, s_Styles.texturingModeOptions);
|
|
|
|
EditorGUILayout.Space();
|
|
EditorGUILayout.LabelField(s_Styles.TransmissionLabel, EditorStyles.boldLabel);
|
|
|
|
profile.transmissionMode.intValue = EditorGUILayout.Popup(s_Styles.profileTransmissionMode, profile.transmissionMode.intValue, s_Styles.transmissionModeOptions);
|
|
|
|
EditorGUILayout.PropertyField(profile.transmissionTint, s_Styles.profileTransmissionTint);
|
|
EditorGUILayout.PropertyField(profile.thicknessRemap, s_Styles.profileMinMaxThickness);
|
|
var thicknessRemap = profile.thicknessRemap.vector2Value;
|
|
EditorGUILayout.MinMaxSlider(s_Styles.profileThicknessRemap, ref thicknessRemap.x, ref thicknessRemap.y, 0f, 50f);
|
|
profile.thicknessRemap.vector2Value = thicknessRemap;
|
|
|
|
EditorGUILayout.Space();
|
|
EditorGUILayout.LabelField(s_Styles.profilePreview0, s_Styles.centeredMiniBoldLabel);
|
|
EditorGUILayout.LabelField(s_Styles.profilePreview1, EditorStyles.centeredGreyMiniLabel);
|
|
EditorGUILayout.LabelField(s_Styles.profilePreview2, EditorStyles.centeredGreyMiniLabel);
|
|
EditorGUILayout.LabelField(s_Styles.profilePreview3, EditorStyles.centeredGreyMiniLabel);
|
|
EditorGUILayout.Space();
|
|
|
|
serializedObject.ApplyModifiedProperties();
|
|
|
|
if (scope.changed)
|
|
{
|
|
// Validate and update the cache for this profile only
|
|
profile.objReference.Validate();
|
|
m_Target.UpdateCache(i);
|
|
}
|
|
}
|
|
|
|
RenderPreview(profile, useDisneySSS);
|
|
|
|
EditorGUILayout.Space();
|
|
EditorGUI.indentLevel--;
|
|
}
|
|
|
|
profile.self.isExpanded = state;
|
|
}
|
|
|
|
CoreEditorUtils.DrawSplitter();
|
|
|
|
serializedObject.ApplyModifiedProperties();
|
|
}
|
|
|
|
void RenderPreview(Profile profile, bool useDisneySSS)
|
|
{
|
|
var obj = profile.objReference;
|
|
float r = obj.maxRadius;
|
|
var S = obj.shapeParam;
|
|
var T = (Vector4)profile.transmissionTint.colorValue;
|
|
var R = profile.thicknessRemap.vector2Value;
|
|
|
|
m_ProfileMaterial.SetFloat(HDShaderIDs._MaxRadius, r);
|
|
m_ProfileMaterial.SetVector(HDShaderIDs._ShapeParam, S);
|
|
|
|
// Old SSS Model >>>
|
|
CoreUtils.SelectKeyword(m_ProfileMaterial, "SSS_MODEL_DISNEY", "SSS_MODEL_BASIC", useDisneySSS);
|
|
|
|
// Apply the three-sigma rule, and rescale.
|
|
float s = (1f / 3f) * DiffusionProfileConstants.SSS_BASIC_DISTANCE_SCALE;
|
|
var scatterDist1 = profile.scatterDistance1.colorValue;
|
|
var scatterDist2 = profile.scatterDistance2.colorValue;
|
|
float rMax = Mathf.Max(scatterDist1.r, scatterDist1.g, scatterDist1.b,
|
|
scatterDist2.r, scatterDist2.g, scatterDist2.b);
|
|
var stdDev1 = s * (Vector4)scatterDist1;
|
|
var stdDev2 = s * (Vector4)scatterDist2;
|
|
m_ProfileMaterial.SetVector(HDShaderIDs._StdDev1, stdDev1);
|
|
m_ProfileMaterial.SetVector(HDShaderIDs._StdDev2, stdDev2);
|
|
m_ProfileMaterial.SetFloat(HDShaderIDs._LerpWeight, profile.lerpWeight.floatValue);
|
|
m_ProfileMaterial.SetFloat(HDShaderIDs._MaxRadius, rMax);
|
|
// <<< Old SSS Model
|
|
|
|
// Draw the profile.
|
|
EditorGUI.DrawPreviewTexture(GUILayoutUtility.GetRect(256f, 256f), profile.profileRT, m_ProfileMaterial, ScaleMode.ScaleToFit, 1f);
|
|
|
|
EditorGUILayout.Space();
|
|
EditorGUILayout.LabelField(s_Styles.transmittancePreview0, s_Styles.centeredMiniBoldLabel);
|
|
EditorGUILayout.LabelField(s_Styles.transmittancePreview1, EditorStyles.centeredGreyMiniLabel);
|
|
EditorGUILayout.LabelField(s_Styles.transmittancePreview2, EditorStyles.centeredGreyMiniLabel);
|
|
EditorGUILayout.Space();
|
|
|
|
// Old SSS Model >>>
|
|
// Multiply by 0.1 to convert from millimeters to centimeters. Apply the distance scale.
|
|
float a = 0.1f * DiffusionProfileConstants.SSS_BASIC_DISTANCE_SCALE;
|
|
var halfRcpVarianceAndWeight1 = new Vector4(a * a * 0.5f / (stdDev1.x * stdDev1.x), a * a * 0.5f / (stdDev1.y * stdDev1.y), a * a * 0.5f / (stdDev1.z * stdDev1.z), 4f * (1f - profile.lerpWeight.floatValue));
|
|
var halfRcpVarianceAndWeight2 = new Vector4(a * a * 0.5f / (stdDev2.x * stdDev2.x), a * a * 0.5f / (stdDev2.y * stdDev2.y), a * a * 0.5f / (stdDev2.z * stdDev2.z), 4f * profile.lerpWeight.floatValue);
|
|
m_TransmittanceMaterial.SetVector(HDShaderIDs._HalfRcpVarianceAndWeight1, halfRcpVarianceAndWeight1);
|
|
m_TransmittanceMaterial.SetVector(HDShaderIDs._HalfRcpVarianceAndWeight2, halfRcpVarianceAndWeight2);
|
|
// <<< Old SSS Model
|
|
|
|
m_TransmittanceMaterial.SetVector(HDShaderIDs._ShapeParam, S);
|
|
m_TransmittanceMaterial.SetVector(HDShaderIDs._TransmissionTint, T);
|
|
m_TransmittanceMaterial.SetVector(HDShaderIDs._ThicknessRemap, R);
|
|
|
|
// Draw the transmittance graph.
|
|
EditorGUI.DrawPreviewTexture(GUILayoutUtility.GetRect(16f, 16f), profile.transmittanceRT, m_TransmittanceMaterial, ScaleMode.ScaleToFit, 16f);
|
|
}
|
|
}
|
|
}
|