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
584 行
24 KiB
584 行
24 KiB
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Runtime.InteropServices;
|
|
using System.Threading;
|
|
using UnityEditor.Graphing.Util;
|
|
using UnityEngine;
|
|
using UnityEditor.Graphing;
|
|
using UnityEditor.ShaderGraph;
|
|
using UnityEngine.Rendering;
|
|
using Debug = UnityEngine.Debug;
|
|
using Object = UnityEngine.Object;
|
|
|
|
namespace UnityEditor.ShaderGraph.Drawing
|
|
{
|
|
public class PreviewManager : IDisposable
|
|
{
|
|
AbstractMaterialGraph m_Graph;
|
|
Dictionary<Guid, PreviewRenderData> m_RenderDatas = new Dictionary<Guid, PreviewRenderData>();
|
|
Dictionary<Guid, PreviewShaderData> m_ShaderDatas = new Dictionary<Guid, PreviewShaderData>();
|
|
PreviewRenderData m_MasterRenderData;
|
|
HashSet<Guid> m_DirtyPreviews = new HashSet<Guid>();
|
|
HashSet<Guid> m_DirtyShaders = new HashSet<Guid>();
|
|
HashSet<Guid> m_TimeDependentPreviews = new HashSet<Guid>();
|
|
Material m_PreviewMaterial;
|
|
MaterialPropertyBlock m_PreviewPropertyBlock;
|
|
PreviewSceneResources m_SceneResources;
|
|
Texture2D m_ErrorTexture;
|
|
DateTime m_LastUpdate;
|
|
const bool k_UberShaderEnabled = true;
|
|
Shader m_UberShader;
|
|
string m_UberShaderString;
|
|
Dictionary<Guid, int> m_UberShaderIds;
|
|
FloatShaderProperty m_OutputIdProperty;
|
|
|
|
public PreviewRate previewRate { get; set; }
|
|
|
|
public PreviewRenderData masterRenderData
|
|
{
|
|
get { return m_MasterRenderData; }
|
|
}
|
|
|
|
public PreviewManager(AbstractMaterialGraph graph)
|
|
{
|
|
m_Graph = graph;
|
|
m_PreviewMaterial = new Material(Shader.Find("Unlit/Color")) { hideFlags = HideFlags.HideInHierarchy };
|
|
m_PreviewMaterial.hideFlags = HideFlags.HideAndDontSave;
|
|
m_PreviewPropertyBlock = new MaterialPropertyBlock();
|
|
m_ErrorTexture = new Texture2D(2, 2);
|
|
m_ErrorTexture.SetPixel(0, 0, Color.magenta);
|
|
m_ErrorTexture.SetPixel(0, 1, Color.black);
|
|
m_ErrorTexture.SetPixel(1, 0, Color.black);
|
|
m_ErrorTexture.SetPixel(1, 1, Color.magenta);
|
|
m_ErrorTexture.filterMode = FilterMode.Point;
|
|
m_ErrorTexture.Apply();
|
|
m_SceneResources = new PreviewSceneResources();
|
|
m_UberShader = ShaderUtil.CreateShaderAsset(k_EmptyShader);
|
|
m_UberShader.hideFlags = HideFlags.HideAndDontSave;
|
|
m_UberShaderIds = new Dictionary<Guid, int>();
|
|
m_MasterRenderData = new PreviewRenderData
|
|
{
|
|
renderTexture = new RenderTexture(400, 400, 16, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default) { hideFlags = HideFlags.HideAndDontSave }
|
|
};
|
|
|
|
foreach (var node in m_Graph.GetNodes<INode>())
|
|
AddPreview(node);
|
|
}
|
|
|
|
public PreviewRenderData GetPreview(INode node)
|
|
{
|
|
return m_RenderDatas[node.guid];
|
|
}
|
|
|
|
void AddPreview(INode node)
|
|
{
|
|
PreviewShaderData shaderData;
|
|
if (!m_ShaderDatas.TryGetValue(node.guid, out shaderData))
|
|
{
|
|
shaderData = new PreviewShaderData
|
|
{
|
|
node = node
|
|
};
|
|
m_ShaderDatas[node.guid] = shaderData;
|
|
}
|
|
var previewData = new PreviewRenderData
|
|
{
|
|
shaderData = shaderData,
|
|
renderTexture = new RenderTexture(256, 256, 16, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default) { hideFlags = HideFlags.HideAndDontSave }
|
|
};
|
|
if (m_RenderDatas.ContainsKey(node.guid))
|
|
{
|
|
Debug.LogWarningFormat("A preview already exists for {0} {1}", node.name, node.guid);
|
|
RemovePreview(node);
|
|
}
|
|
m_RenderDatas.Add(node.guid, previewData);
|
|
m_DirtyShaders.Add(node.guid);
|
|
node.onModified += OnNodeModified;
|
|
if (node.RequiresTime())
|
|
m_TimeDependentPreviews.Add(node.guid);
|
|
|
|
var masterNode = node as IMasterNode;
|
|
if (masterRenderData.shaderData == null && masterNode != null)
|
|
{
|
|
masterRenderData.shaderData = shaderData;
|
|
}
|
|
}
|
|
|
|
void RemovePreview(INode node)
|
|
{
|
|
node.onModified -= OnNodeModified;
|
|
m_RenderDatas.Remove(node.guid);
|
|
m_TimeDependentPreviews.Remove(node.guid);
|
|
m_DirtyPreviews.Remove(node.guid);
|
|
m_DirtyShaders.Remove(node.guid);
|
|
|
|
if (masterRenderData.shaderData != null && masterRenderData.shaderData.node == node)
|
|
masterRenderData.shaderData = m_ShaderDatas.Values.FirstOrDefault(x => x.node is IMasterNode);
|
|
}
|
|
|
|
void OnNodeModified(INode node, ModificationScope scope)
|
|
{
|
|
if (scope >= ModificationScope.Graph)
|
|
m_DirtyShaders.Add(node.guid);
|
|
else if (scope == ModificationScope.Node)
|
|
m_DirtyPreviews.Add(node.guid);
|
|
|
|
if (node.RequiresTime())
|
|
m_TimeDependentPreviews.Add(node.guid);
|
|
else
|
|
m_TimeDependentPreviews.Remove(node.guid);
|
|
}
|
|
|
|
Stack<Guid> m_Wavefront = new Stack<Guid>();
|
|
|
|
void PropagateNodeSet(HashSet<Guid> nodeGuidSet, bool forward = true, IEnumerable<Guid> initialWavefront = null)
|
|
{
|
|
m_Wavefront.Clear();
|
|
foreach (var guid in initialWavefront ?? nodeGuidSet)
|
|
m_Wavefront.Push(guid);
|
|
while (m_Wavefront.Count > 0)
|
|
{
|
|
var nodeGuid = m_Wavefront.Pop();
|
|
var node = m_Graph.GetNodeFromGuid(nodeGuid);
|
|
if (node == null)
|
|
continue;
|
|
|
|
// Loop through all nodes that the node feeds into.
|
|
foreach (var slot in forward ? node.GetOutputSlots<ISlot>() : node.GetInputSlots<ISlot>())
|
|
{
|
|
foreach (var edge in m_Graph.GetEdges(slot.slotReference))
|
|
{
|
|
// We look at each node we feed into.
|
|
var connectedSlot = forward ? edge.inputSlot : edge.outputSlot;
|
|
var connectedNodeGuid = connectedSlot.nodeGuid;
|
|
|
|
// If the input node is already in the set of time-dependent nodes, we don't need to process it.
|
|
if (nodeGuidSet.Contains(connectedNodeGuid))
|
|
continue;
|
|
|
|
// Add the node to the set of time-dependent nodes, and to the wavefront such that we can process the nodes that it feeds into.
|
|
nodeGuidSet.Add(connectedNodeGuid);
|
|
m_Wavefront.Push(connectedNodeGuid);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
HashSet<Guid> m_PropertyNodeGuids = new HashSet<Guid>();
|
|
List<PreviewProperty> m_PreviewProperties = new List<PreviewProperty>();
|
|
|
|
public void HandleGraphChanges()
|
|
{
|
|
foreach (var node in m_Graph.removedNodes)
|
|
RemovePreview(node);
|
|
|
|
foreach (var node in m_Graph.addedNodes)
|
|
AddPreview(node);
|
|
|
|
foreach (var edge in m_Graph.removedEdges)
|
|
m_DirtyShaders.Add(edge.inputSlot.nodeGuid);
|
|
|
|
foreach (var edge in m_Graph.addedEdges)
|
|
m_DirtyShaders.Add(edge.inputSlot.nodeGuid);
|
|
}
|
|
|
|
List<PreviewRenderData> m_RenderList2D = new List<PreviewRenderData>();
|
|
List<PreviewRenderData> m_RenderList3D = new List<PreviewRenderData>();
|
|
HashSet<Guid> m_NodesWith3DPreview = new HashSet<Guid>();
|
|
|
|
public void RenderPreviews()
|
|
{
|
|
if (previewRate == PreviewRate.Off)
|
|
return;
|
|
|
|
var updateTime = DateTime.Now;
|
|
if (previewRate == PreviewRate.Throttled && (updateTime - m_LastUpdate) < TimeSpan.FromSeconds(1.0 / 10.0))
|
|
return;
|
|
|
|
m_LastUpdate = updateTime;
|
|
|
|
if (m_DirtyShaders.Any())
|
|
{
|
|
m_NodesWith3DPreview.Clear();
|
|
foreach (var node in m_Graph.GetNodes<AbstractMaterialNode>())
|
|
{
|
|
if (node.previewMode == PreviewMode.Preview3D)
|
|
m_NodesWith3DPreview.Add(node.guid);
|
|
}
|
|
PropagateNodeSet(m_NodesWith3DPreview);
|
|
PropagateNodeSet(m_DirtyShaders);
|
|
|
|
var masterNodes = new List<INode>();
|
|
var uberNodes = new List<INode>();
|
|
foreach (var guid in m_DirtyShaders)
|
|
{
|
|
var node = m_Graph.GetNodeFromGuid(guid);
|
|
if (node == null)
|
|
continue;
|
|
if (!k_UberShaderEnabled || node is IMasterNode)
|
|
masterNodes.Add(node);
|
|
else
|
|
uberNodes.Add(node);
|
|
}
|
|
var count = Math.Min(uberNodes.Count, 1) + masterNodes.Count;
|
|
|
|
try
|
|
{
|
|
var sw = new Stopwatch();
|
|
sw.Start();
|
|
var i = 0;
|
|
EditorUtility.DisplayProgressBar("Shader Graph", string.Format("Compiling preview shaders ({0}/{1})", i, count), 0f);
|
|
foreach (var node in masterNodes)
|
|
{
|
|
UpdateShader(node.guid);
|
|
i++;
|
|
EditorUtility.DisplayProgressBar("Shader Graph", string.Format("Compiling preview shaders ({0}/{1})", i, count), 0f);
|
|
}
|
|
if (uberNodes.Count > 0)
|
|
{
|
|
m_UberShaderIds.Clear();
|
|
m_UberShaderString = m_Graph.GetUberPreviewShader(m_UberShaderIds, out m_OutputIdProperty);
|
|
ShaderUtil.UpdateShaderAsset(m_UberShader, m_UberShaderString);
|
|
File.WriteAllText(Application.dataPath + "/../UberShader.shader", (m_UberShaderString ?? "null").Replace("UnityEngine.MaterialGraph", "Generated"));
|
|
var message = "RecreateUberShader: " + Environment.NewLine + m_UberShaderString;
|
|
if (MaterialGraphAsset.ShaderHasError(m_UberShader))
|
|
{
|
|
Debug.LogWarning(message);
|
|
ShaderUtil.ClearShaderErrors(m_UberShader);
|
|
ShaderUtil.UpdateShaderAsset(m_UberShader, k_EmptyShader);
|
|
}
|
|
else
|
|
{
|
|
Debug.Log(message);
|
|
}
|
|
|
|
foreach (var node in uberNodes)
|
|
{
|
|
PreviewShaderData shaderData;
|
|
if (!m_ShaderDatas.TryGetValue(node.guid, out shaderData))
|
|
continue;
|
|
shaderData.previewMode = m_NodesWith3DPreview.Contains(node.guid) ? PreviewMode.Preview3D : PreviewMode.Preview2D;
|
|
shaderData.shader = m_UberShader;
|
|
}
|
|
i++;
|
|
EditorUtility.DisplayProgressBar("Shader Graph", string.Format("Compiling preview shaders ({0}/{1})", i, count), 0f);
|
|
}
|
|
sw.Stop();
|
|
Debug.LogFormat("Compiled preview shaders in {0} seconds", sw.Elapsed.TotalSeconds);
|
|
}
|
|
finally
|
|
{
|
|
EditorUtility.ClearProgressBar();
|
|
}
|
|
|
|
m_DirtyPreviews.UnionWith(m_DirtyShaders);
|
|
m_DirtyShaders.Clear();
|
|
}
|
|
|
|
m_DirtyPreviews.UnionWith(m_TimeDependentPreviews);
|
|
PropagateNodeSet(m_DirtyPreviews);
|
|
|
|
// Find nodes we need properties from
|
|
m_PropertyNodeGuids.Clear();
|
|
foreach (var nodeGuid in m_DirtyPreviews)
|
|
m_PropertyNodeGuids.Add(nodeGuid);
|
|
PropagateNodeSet(m_PropertyNodeGuids, false);
|
|
|
|
// Fill MaterialPropertyBlock
|
|
m_PreviewPropertyBlock.Clear();
|
|
var outputIdName = m_OutputIdProperty != null ? m_OutputIdProperty.referenceName : null;
|
|
m_PreviewPropertyBlock.SetFloat(outputIdName, -1);
|
|
foreach (var nodeGuid in m_PropertyNodeGuids)
|
|
{
|
|
var node = m_Graph.GetNodeFromGuid<AbstractMaterialNode>(nodeGuid);
|
|
if (node == null)
|
|
continue;
|
|
node.CollectPreviewMaterialProperties(m_PreviewProperties);
|
|
foreach (var prop in m_Graph.properties)
|
|
m_PreviewProperties.Add(prop.GetPreviewMaterialProperty());
|
|
|
|
foreach (var previewProperty in m_PreviewProperties)
|
|
{
|
|
if (previewProperty.m_PropType == PropertyType.Texture && previewProperty.m_Texture != null)
|
|
m_PreviewPropertyBlock.SetTexture(previewProperty.m_Name, previewProperty.m_Texture);
|
|
else if (previewProperty.m_PropType == PropertyType.Cubemap && previewProperty.m_Cubemap != null)
|
|
m_PreviewPropertyBlock.SetTexture(previewProperty.m_Name, previewProperty.m_Cubemap);
|
|
else if (previewProperty.m_PropType == PropertyType.Color)
|
|
m_PreviewPropertyBlock.SetColor(previewProperty.m_Name, previewProperty.m_Color);
|
|
else if (previewProperty.m_PropType == PropertyType.Vector2)
|
|
m_PreviewPropertyBlock.SetVector(previewProperty.m_Name, previewProperty.m_Vector4);
|
|
else if (previewProperty.m_PropType == PropertyType.Vector3)
|
|
m_PreviewPropertyBlock.SetVector(previewProperty.m_Name, previewProperty.m_Vector4);
|
|
else if (previewProperty.m_PropType == PropertyType.Vector4)
|
|
m_PreviewPropertyBlock.SetVector(previewProperty.m_Name, previewProperty.m_Vector4);
|
|
else if (previewProperty.m_PropType == PropertyType.Float)
|
|
m_PreviewPropertyBlock.SetFloat(previewProperty.m_Name, previewProperty.m_Float);
|
|
}
|
|
m_PreviewProperties.Clear();
|
|
}
|
|
|
|
foreach (var nodeGuid in m_DirtyPreviews)
|
|
{
|
|
PreviewRenderData renderData;
|
|
if (!m_RenderDatas.TryGetValue(nodeGuid, out renderData))
|
|
continue;
|
|
if (renderData.shaderData.shader == null)
|
|
{
|
|
renderData.texture = null;
|
|
continue;
|
|
}
|
|
if (MaterialGraphAsset.ShaderHasError(renderData.shaderData.shader))
|
|
{
|
|
renderData.texture = m_ErrorTexture;
|
|
continue;
|
|
}
|
|
|
|
if (renderData.shaderData.previewMode == PreviewMode.Preview2D)
|
|
m_RenderList2D.Add(renderData);
|
|
else
|
|
m_RenderList3D.Add(renderData);
|
|
}
|
|
|
|
if (masterRenderData.shaderData != null && m_DirtyPreviews.Contains(masterRenderData.shaderData.node.guid))
|
|
m_RenderList3D.Add(masterRenderData);
|
|
|
|
var time = Time.realtimeSinceStartup;
|
|
EditorUtility.SetCameraAnimateMaterialsTime(m_SceneResources.camera, time);
|
|
m_SceneResources.light0.enabled = true;
|
|
m_SceneResources.light0.intensity = 1.0f;
|
|
m_SceneResources.light0.transform.rotation = Quaternion.Euler(50f, 50f, 0);
|
|
m_SceneResources.light1.enabled = true;
|
|
m_SceneResources.light1.intensity = 1.0f;
|
|
m_SceneResources.camera.clearFlags = CameraClearFlags.Depth;
|
|
|
|
// Render 2D previews
|
|
m_SceneResources.camera.transform.position = -Vector3.forward * 2;
|
|
m_SceneResources.camera.transform.rotation = Quaternion.identity;
|
|
m_SceneResources.camera.orthographicSize = 1;
|
|
m_SceneResources.camera.orthographic = true;
|
|
foreach (var renderData in m_RenderList2D)
|
|
{
|
|
int outputId;
|
|
if (m_UberShaderIds.TryGetValue(renderData.shaderData.node.guid, out outputId))
|
|
m_PreviewPropertyBlock.SetFloat(outputIdName, outputId);
|
|
m_PreviewMaterial.shader = renderData.shaderData.shader;
|
|
m_SceneResources.camera.targetTexture = renderData.renderTexture;
|
|
var previousRenderTexure = RenderTexture.active;
|
|
RenderTexture.active = renderData.renderTexture;
|
|
GL.Clear(true, true, Color.black);
|
|
Graphics.Blit(Texture2D.whiteTexture, renderData.renderTexture, m_SceneResources.checkerboardMaterial);
|
|
Graphics.DrawMesh(m_SceneResources.quad, Matrix4x4.identity, m_PreviewMaterial, 1, m_SceneResources.camera, 0, m_PreviewPropertyBlock, ShadowCastingMode.Off, false, null, false);
|
|
var previousUseSRP = Unsupported.useScriptableRenderPipeline;
|
|
Unsupported.useScriptableRenderPipeline = false;
|
|
m_SceneResources.camera.Render();
|
|
Unsupported.useScriptableRenderPipeline = previousUseSRP;
|
|
RenderTexture.active = previousRenderTexure;
|
|
renderData.texture = renderData.renderTexture;
|
|
}
|
|
|
|
// Render 3D previews
|
|
m_SceneResources.camera.transform.position = -Vector3.forward * 5;
|
|
m_SceneResources.camera.transform.rotation = Quaternion.identity;
|
|
m_SceneResources.camera.orthographic = false;
|
|
foreach (var previewData in m_RenderList3D)
|
|
{
|
|
int outputId;
|
|
if (m_UberShaderIds.TryGetValue(previewData.shaderData.node.guid, out outputId))
|
|
m_PreviewPropertyBlock.SetFloat(outputIdName, outputId);
|
|
m_PreviewMaterial.shader = previewData.shaderData.shader;
|
|
m_SceneResources.camera.targetTexture = previewData.renderTexture;
|
|
var previousRenderTexure = RenderTexture.active;
|
|
RenderTexture.active = previewData.renderTexture;
|
|
GL.Clear(true, true, Color.black);
|
|
Graphics.Blit(Texture2D.whiteTexture, previewData.renderTexture, m_SceneResources.checkerboardMaterial);
|
|
var mesh = previewData.mesh ?? m_SceneResources.sphere;
|
|
Graphics.DrawMesh(mesh, Matrix4x4.TRS(-mesh.bounds.center, Quaternion.identity, Vector3.one), m_PreviewMaterial, 1, m_SceneResources.camera, 0, m_PreviewPropertyBlock, ShadowCastingMode.Off, false, null, false);
|
|
var previousUseSRP = Unsupported.useScriptableRenderPipeline;
|
|
Unsupported.useScriptableRenderPipeline = previewData.shaderData.node is IMasterNode;
|
|
m_SceneResources.camera.Render();
|
|
Unsupported.useScriptableRenderPipeline = previousUseSRP;
|
|
RenderTexture.active = previousRenderTexure;
|
|
previewData.texture = previewData.renderTexture;
|
|
}
|
|
|
|
m_SceneResources.light0.enabled = false;
|
|
m_SceneResources.light1.enabled = false;
|
|
|
|
foreach (var previewRenderData in m_RenderList2D.Union(m_RenderList3D))
|
|
{
|
|
if (previewRenderData.onPreviewChanged != null)
|
|
previewRenderData.onPreviewChanged();
|
|
}
|
|
|
|
m_RenderList2D.Clear();
|
|
m_RenderList3D.Clear();
|
|
m_DirtyPreviews.Clear();
|
|
}
|
|
|
|
void UpdateShader(Guid nodeGuid)
|
|
{
|
|
var node = m_Graph.GetNodeFromGuid<AbstractMaterialNode>(nodeGuid);
|
|
if (node == null)
|
|
return;
|
|
PreviewShaderData shaderData;
|
|
if (!m_ShaderDatas.TryGetValue(nodeGuid, out shaderData))
|
|
return;
|
|
|
|
shaderData.previewMode = m_NodesWith3DPreview.Contains(nodeGuid) ? PreviewMode.Preview3D : PreviewMode.Preview2D;
|
|
|
|
if (!(node is IMasterNode) && (!node.hasPreview || NodeUtils.FindEffectiveShaderStage(node, true) == ShaderStage.Vertex))
|
|
{
|
|
shaderData.shaderString = null;
|
|
}
|
|
else
|
|
{
|
|
PreviewMode mode;
|
|
shaderData.shaderString = m_Graph.GetPreviewShader(node, out mode);
|
|
}
|
|
|
|
File.WriteAllText(Application.dataPath + "/../GeneratedShader.shader", (shaderData.shaderString ?? "null").Replace("UnityEngine.MaterialGraph", "Generated"));
|
|
|
|
if (string.IsNullOrEmpty(shaderData.shaderString))
|
|
{
|
|
if (shaderData.shader != null)
|
|
Object.DestroyImmediate(shaderData.shader, true);
|
|
shaderData.shader = null;
|
|
return;
|
|
}
|
|
|
|
if (shaderData.shader != null && MaterialGraphAsset.ShaderHasError(shaderData.shader))
|
|
{
|
|
ShaderUtil.ClearShaderErrors(shaderData.shader);
|
|
Object.DestroyImmediate(shaderData.shader, true);
|
|
shaderData.shader = null;
|
|
}
|
|
|
|
if (shaderData.shader == null)
|
|
{
|
|
shaderData.shader = ShaderUtil.CreateShaderAsset(shaderData.shaderString);
|
|
shaderData.shader.hideFlags = HideFlags.HideAndDontSave;
|
|
}
|
|
else
|
|
{
|
|
ShaderUtil.ClearShaderErrors(shaderData.shader);
|
|
ShaderUtil.UpdateShaderAsset(shaderData.shader, shaderData.shaderString);
|
|
}
|
|
|
|
// Debug output
|
|
var message = "RecreateShader: " + node.GetVariableNameForNode() + Environment.NewLine + shaderData.shaderString;
|
|
if (MaterialGraphAsset.ShaderHasError(shaderData.shader))
|
|
Debug.LogWarning(message);
|
|
else
|
|
Debug.Log(message);
|
|
}
|
|
|
|
void DestroyPreview(Guid nodeGuid, PreviewRenderData previewRenderData)
|
|
{
|
|
if (m_RenderDatas.Remove(nodeGuid))
|
|
{
|
|
if (previewRenderData.shaderData.shader != null)
|
|
Object.DestroyImmediate(previewRenderData.shaderData.shader, true);
|
|
if (previewRenderData.renderTexture != null)
|
|
Object.DestroyImmediate(previewRenderData.renderTexture, true);
|
|
var node = m_Graph.GetNodeFromGuid(nodeGuid);
|
|
if (node != null)
|
|
node.onModified -= OnNodeModified;
|
|
m_DirtyPreviews.Remove(nodeGuid);
|
|
m_DirtyShaders.Remove(nodeGuid);
|
|
m_TimeDependentPreviews.Remove(nodeGuid);
|
|
previewRenderData.shaderData.shader = null;
|
|
previewRenderData.renderTexture = null;
|
|
previewRenderData.texture = null;
|
|
previewRenderData.onPreviewChanged = null;
|
|
}
|
|
}
|
|
|
|
void ReleaseUnmanagedResources()
|
|
{
|
|
if (m_PreviewMaterial != null)
|
|
Object.DestroyImmediate(m_PreviewMaterial, true);
|
|
m_PreviewMaterial = null;
|
|
if (m_SceneResources != null)
|
|
m_SceneResources.Dispose();
|
|
m_SceneResources = null;
|
|
var previews = m_RenderDatas.ToList();
|
|
foreach (var kvp in previews)
|
|
DestroyPreview(kvp.Key, kvp.Value);
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
ReleaseUnmanagedResources();
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
~PreviewManager()
|
|
{
|
|
ReleaseUnmanagedResources();
|
|
}
|
|
|
|
const string k_EmptyShader = @"
|
|
Shader ""hidden/preview""
|
|
{
|
|
SubShader
|
|
{
|
|
Tags { ""RenderType""=""Opaque"" }
|
|
LOD 100
|
|
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
|
|
#include ""UnityCG.cginc""
|
|
|
|
struct appdata
|
|
{
|
|
float4 vertex : POSITION;
|
|
};
|
|
|
|
struct v2f
|
|
{
|
|
float4 vertex : SV_POSITION;
|
|
};
|
|
|
|
v2f vert (appdata v)
|
|
{
|
|
v2f o;
|
|
o.vertex = UnityObjectToClipPos(v.vertex);
|
|
return o;
|
|
}
|
|
|
|
fixed4 frag (v2f i) : SV_Target
|
|
{
|
|
return 0;
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
}";
|
|
}
|
|
|
|
public delegate void OnPreviewChanged();
|
|
|
|
public class PreviewShaderData
|
|
{
|
|
public INode node { get; set; }
|
|
public Shader shader { get; set; }
|
|
public string shaderString { get; set; }
|
|
public PreviewMode previewMode { get; set; }
|
|
}
|
|
|
|
public class PreviewRenderData
|
|
{
|
|
public PreviewShaderData shaderData { get; set; }
|
|
public Mesh mesh { get; set; }
|
|
public RenderTexture renderTexture { get; set; }
|
|
public Texture texture { get; set; }
|
|
public OnPreviewChanged onPreviewChanged;
|
|
}
|
|
}
|