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
153 行
5.9 KiB
153 行
5.9 KiB
using System;
|
|
using System.Collections.Generic;
|
|
using UnityEditor.ShaderGraph;
|
|
using UnityEngine.Rendering;
|
|
using UnityEngine.Rendering.Universal;
|
|
using UnityEditor.Rendering.Universal;
|
|
using Data.Util;
|
|
using UnityEditor.ShaderGraph.Internal;
|
|
|
|
namespace UnityEditor.Experimental.Rendering.Universal
|
|
{
|
|
[Serializable]
|
|
[FormerName("UnityEditor.Experimental.Rendering.LWRP.LightWeightSpriteUnlitSubShader")]
|
|
class UniversalSpriteUnlitSubShader : ISpriteUnlitSubShader
|
|
{
|
|
#region Passes
|
|
ShaderPass m_UnlitPass = new ShaderPass
|
|
{
|
|
// Definition
|
|
referenceName = "SHADERPASS_SPRITEUNLIT",
|
|
passInclude = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/SpriteUnlitPass.hlsl",
|
|
varyingsInclude = "Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/Varyings.hlsl",
|
|
useInPreview = true,
|
|
|
|
// Port mask
|
|
vertexPorts = new List<int>()
|
|
{
|
|
SpriteUnlitMasterNode.PositionSlotId,
|
|
SpriteUnlitMasterNode.VertNormalSlotId,
|
|
SpriteUnlitMasterNode.VertTangentSlotId
|
|
},
|
|
pixelPorts = new List<int>
|
|
{
|
|
SpriteUnlitMasterNode.ColorSlotId,
|
|
},
|
|
|
|
// Required fields
|
|
requiredAttributes = new List<string>()
|
|
{
|
|
"Attributes.color",
|
|
"Attributes.uv0",
|
|
},
|
|
requiredVaryings = new List<string>()
|
|
{
|
|
"Varyings.color",
|
|
"Varyings.texCoord0",
|
|
},
|
|
|
|
// Pass setup
|
|
includes = new List<string>()
|
|
{
|
|
"Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl",
|
|
"Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl",
|
|
"Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl",
|
|
"Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl",
|
|
},
|
|
pragmas = new List<string>()
|
|
{
|
|
"prefer_hlslcc gles",
|
|
"exclude_renderers d3d11_9x",
|
|
"target 2.0",
|
|
},
|
|
keywords = new KeywordDescriptor[]
|
|
{
|
|
s_ETCExternalAlphaKeyword,
|
|
},
|
|
};
|
|
#endregion
|
|
|
|
#region Keywords
|
|
static KeywordDescriptor s_ETCExternalAlphaKeyword = new KeywordDescriptor()
|
|
{
|
|
displayName = "ETC External Alpha",
|
|
referenceName = "ETC1_EXTERNAL_ALPHA",
|
|
type = KeywordType.Boolean,
|
|
definition = KeywordDefinition.MultiCompile,
|
|
scope = KeywordScope.Global,
|
|
};
|
|
#endregion
|
|
|
|
public int GetPreviewPassIndex() { return 0; }
|
|
|
|
private static ActiveFields GetActiveFieldsFromMasterNode(SpriteUnlitMasterNode masterNode, ShaderPass pass)
|
|
{
|
|
var activeFields = new ActiveFields();
|
|
var baseActiveFields = activeFields.baseInstance;
|
|
|
|
// Graph Vertex
|
|
if(masterNode.IsSlotConnected(SpriteUnlitMasterNode.PositionSlotId) ||
|
|
masterNode.IsSlotConnected(SpriteUnlitMasterNode.VertNormalSlotId) ||
|
|
masterNode.IsSlotConnected(SpriteUnlitMasterNode.VertTangentSlotId))
|
|
{
|
|
baseActiveFields.Add("features.graphVertex");
|
|
}
|
|
|
|
// Graph Pixel (always enabled)
|
|
baseActiveFields.Add("features.graphPixel");
|
|
|
|
baseActiveFields.Add("SurfaceType.Transparent");
|
|
baseActiveFields.Add("BlendMode.Alpha");
|
|
|
|
return activeFields;
|
|
}
|
|
|
|
private static bool GenerateShaderPass(SpriteUnlitMasterNode masterNode, ShaderPass pass, GenerationMode mode, ShaderGenerator result, List<string> sourceAssetDependencyPaths)
|
|
{
|
|
UniversalShaderGraphUtilities.SetRenderState(SurfaceType.Transparent, AlphaMode.Alpha, true, ref pass);
|
|
|
|
// apply master node options to active fields
|
|
var activeFields = GetActiveFieldsFromMasterNode(masterNode, pass);
|
|
|
|
// use standard shader pass generation
|
|
return ShaderGraph.GenerationUtils.GenerateShaderPass(masterNode, pass, mode, activeFields, result, sourceAssetDependencyPaths,
|
|
UniversalShaderGraphResources.s_Dependencies, UniversalShaderGraphResources.s_ResourceClassName, UniversalShaderGraphResources.s_AssemblyName);
|
|
}
|
|
|
|
public string GetSubshader(IMasterNode masterNode, GenerationMode mode, List<string> sourceAssetDependencyPaths = null)
|
|
{
|
|
if (sourceAssetDependencyPaths != null)
|
|
{
|
|
// LightWeightSpriteUnlitSubShader.cs
|
|
sourceAssetDependencyPaths.Add(AssetDatabase.GUIDToAssetPath("f2df349d00ec920488971bb77440b7bc"));
|
|
}
|
|
|
|
// Master Node data
|
|
var unlitMasterNode = masterNode as SpriteUnlitMasterNode;
|
|
var subShader = new ShaderGenerator();
|
|
|
|
subShader.AddShaderChunk("SubShader", true);
|
|
subShader.AddShaderChunk("{", true);
|
|
subShader.Indent();
|
|
{
|
|
var surfaceTags = ShaderGenerator.BuildMaterialTags(SurfaceType.Transparent);
|
|
var tagsBuilder = new ShaderStringBuilder(0);
|
|
surfaceTags.GetTags(tagsBuilder, "UniversalPipeline");
|
|
subShader.AddShaderChunk(tagsBuilder.ToString());
|
|
|
|
GenerateShaderPass(unlitMasterNode, m_UnlitPass, mode, subShader, sourceAssetDependencyPaths);
|
|
}
|
|
subShader.Deindent();
|
|
subShader.AddShaderChunk("}", true);
|
|
|
|
return subShader.GetShaderString(0);
|
|
}
|
|
|
|
public bool IsPipelineCompatible(RenderPipelineAsset renderPipelineAsset)
|
|
{
|
|
return renderPipelineAsset is UniversalRenderPipelineAsset;
|
|
}
|
|
|
|
public UniversalSpriteUnlitSubShader() { }
|
|
}
|
|
}
|