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ShaderConverter.cs
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using K4os.Compression.LZ4;
using System;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace AssetStudio
{
public static class ShaderConverter
{
public static string Convert(this Shader shader)
{
if (shader.m_SubProgramBlob != null) //5.3 - 5.4
{
var decompressedBytes = new byte[shader.decompressedSize];
LZ4Codec.Decode(shader.m_SubProgramBlob, decompressedBytes);
using (var blobReader = new BinaryReader(new MemoryStream(decompressedBytes)))
{
var program = new ShaderProgram(blobReader, shader.version);
program.Read(blobReader, 0);
return header + program.Export(Encoding.UTF8.GetString(shader.m_Script));
}
}
if (shader.compressedBlob != null) //5.5 and up
{
return header + ConvertSerializedShader(shader);
}
return header + Encoding.UTF8.GetString(shader.m_Script);
}
private static string ConvertSerializedShader(Shader shader)
{
var length = shader.platforms.Length;
var shaderPrograms = new ShaderProgram[length];
for (var i = 0; i < length; i++)
{
for (var j = 0; j < shader.offsets[i].Length; j++)
{
var offset = shader.offsets[i][j];
var compressedLength = shader.compressedLengths[i][j];
var decompressedLength = shader.decompressedLengths[i][j];
var decompressedBytes = new byte[decompressedLength];
LZ4Codec.Decode(shader.compressedBlob, (int)offset, (int)compressedLength, decompressedBytes, 0, (int)decompressedLength);
using (var blobReader = new BinaryReader(new MemoryStream(decompressedBytes)))
{
if (j == 0)
{
shaderPrograms[i] = new ShaderProgram(blobReader, shader.version);
}
shaderPrograms[i].Read(blobReader, j);
}
}
}
return ConvertSerializedShader(shader.m_ParsedForm, shader.platforms, shaderPrograms);
}
private static string ConvertSerializedShader(SerializedShader m_ParsedForm, ShaderCompilerPlatform[] platforms, ShaderProgram[] shaderPrograms)
{
var sb = new StringBuilder();
sb.Append($"Shader \"{m_ParsedForm.m_Name}\" {{\n");
sb.Append(ConvertSerializedProperties(m_ParsedForm.m_PropInfo));
foreach (var m_SubShader in m_ParsedForm.m_SubShaders)
{
sb.Append(ConvertSerializedSubShader(m_SubShader, platforms, shaderPrograms));
}
if (!string.IsNullOrEmpty(m_ParsedForm.m_FallbackName))
{
sb.Append($"Fallback \"{m_ParsedForm.m_FallbackName}\"\n");
}
if (!string.IsNullOrEmpty(m_ParsedForm.m_CustomEditorName))
{
sb.Append($"CustomEditor \"{m_ParsedForm.m_CustomEditorName}\"\n");
}
sb.Append("}");
return sb.ToString();
}
private static string ConvertSerializedSubShader(SerializedSubShader m_SubShader, ShaderCompilerPlatform[] platforms, ShaderProgram[] shaderPrograms)
{
var sb = new StringBuilder();
sb.Append("SubShader {\n");
if (m_SubShader.m_LOD != 0)
{
sb.Append($" LOD {m_SubShader.m_LOD}\n");
}
sb.Append(ConvertSerializedTagMap(m_SubShader.m_Tags, 1));
foreach (var m_Passe in m_SubShader.m_Passes)
{
sb.Append(ConvertSerializedPass(m_Passe, platforms, shaderPrograms));
}
sb.Append("}\n");
return sb.ToString();
}
private static string ConvertSerializedPass(SerializedPass m_Passe, ShaderCompilerPlatform[] platforms, ShaderProgram[] shaderPrograms)
{
var sb = new StringBuilder();
switch (m_Passe.m_Type)
{
case PassType.Normal:
sb.Append(" Pass ");
break;
case PassType.Use:
sb.Append(" UsePass ");
break;
case PassType.Grab:
sb.Append(" GrabPass ");
break;
}
if (m_Passe.m_Type == PassType.Use)
{
sb.Append($"\"{m_Passe.m_UseName}\"\n");
}
else
{
sb.Append("{\n");
if (m_Passe.m_Type == PassType.Grab)
{
if (!string.IsNullOrEmpty(m_Passe.m_TextureName))
{
sb.Append($" \"{m_Passe.m_TextureName}\"\n");
}
}
else
{
sb.Append(ConvertSerializedShaderState(m_Passe.m_State));
if (m_Passe.progVertex.m_SubPrograms.Length > 0)
{
sb.Append("Program \"vp\" {\n");
sb.Append(ConvertSerializedSubPrograms(m_Passe.progVertex.m_SubPrograms, platforms, shaderPrograms));
sb.Append("}\n");
}
if (m_Passe.progFragment.m_SubPrograms.Length > 0)
{
sb.Append("Program \"fp\" {\n");
sb.Append(ConvertSerializedSubPrograms(m_Passe.progFragment.m_SubPrograms, platforms, shaderPrograms));
sb.Append("}\n");
}
if (m_Passe.progGeometry.m_SubPrograms.Length > 0)
{
sb.Append("Program \"gp\" {\n");
sb.Append(ConvertSerializedSubPrograms(m_Passe.progGeometry.m_SubPrograms, platforms, shaderPrograms));
sb.Append("}\n");
}
if (m_Passe.progHull.m_SubPrograms.Length > 0)
{
sb.Append("Program \"hp\" {\n");
sb.Append(ConvertSerializedSubPrograms(m_Passe.progHull.m_SubPrograms, platforms, shaderPrograms));
sb.Append("}\n");
}
if (m_Passe.progDomain.m_SubPrograms.Length > 0)
{
sb.Append("Program \"dp\" {\n");
sb.Append(ConvertSerializedSubPrograms(m_Passe.progDomain.m_SubPrograms, platforms, shaderPrograms));
sb.Append("}\n");
}
if (m_Passe.progRayTracing?.m_SubPrograms.Length > 0)
{
sb.Append("Program \"rtp\" {\n");
sb.Append(ConvertSerializedSubPrograms(m_Passe.progRayTracing.m_SubPrograms, platforms, shaderPrograms));
sb.Append("}\n");
}
}
sb.Append("}\n");
}
return sb.ToString();
}
private static string ConvertSerializedSubPrograms(SerializedSubProgram[] m_SubPrograms, ShaderCompilerPlatform[] platforms, ShaderProgram[] shaderPrograms)
{
var sb = new StringBuilder();
var groups = m_SubPrograms.GroupBy(x => x.m_BlobIndex);
foreach (var group in groups)
{
var programs = group.GroupBy(x => x.m_GpuProgramType);
foreach (var program in programs)
{
for (int i = 0; i < platforms.Length; i++)
{
var platform = platforms[i];
if (CheckGpuProgramUsable(platform, program.Key))
{
var subPrograms = program.ToList();
var isTier = subPrograms.Count > 1;
foreach (var subProgram in subPrograms)
{
sb.Append($"SubProgram \"{GetPlatformString(platform)} ");
if (isTier)
{
sb.Append($"hw_tier{subProgram.m_ShaderHardwareTier:00} ");
}
sb.Append("\" {\n");
sb.Append(shaderPrograms[i].m_SubPrograms[subProgram.m_BlobIndex].Export());
sb.Append("\n}\n");
}
break;
}
}
}
}
return sb.ToString();
}
private static string ConvertSerializedShaderState(SerializedShaderState m_State)
{
var sb = new StringBuilder();
if (!string.IsNullOrEmpty(m_State.m_Name))
{
sb.Append($" Name \"{m_State.m_Name}\"\n");
}
if (m_State.m_LOD != 0)
{
sb.Append($" LOD {m_State.m_LOD}\n");
}
sb.Append(ConvertSerializedTagMap(m_State.m_Tags, 2));
sb.Append(ConvertSerializedShaderRTBlendState(m_State.rtBlend, m_State.rtSeparateBlend));
if (m_State.alphaToMask.val > 0f)
{
sb.Append(" AlphaToMask On\n");
}
if (m_State.zClip?.val != 1f) //ZClip On
{
sb.Append(" ZClip Off\n");
}
if (m_State.zTest.val != 4f) //ZTest LEqual
{
sb.Append(" ZTest ");
switch (m_State.zTest.val) //enum CompareFunction
{
case 0f: //kFuncDisabled
sb.Append("Off");
break;
case 1f: //kFuncNever
sb.Append("Never");
break;
case 2f: //kFuncLess
sb.Append("Less");
break;
case 3f: //kFuncEqual
sb.Append("Equal");
break;
case 5f: //kFuncGreater
sb.Append("Greater");
break;
case 6f: //kFuncNotEqual
sb.Append("NotEqual");
break;
case 7f: //kFuncGEqual
sb.Append("GEqual");
break;
case 8f: //kFuncAlways
sb.Append("Always");
break;
}
sb.Append("\n");
}
if (m_State.zWrite.val != 1f) //ZWrite On
{
sb.Append(" ZWrite Off\n");
}
if (m_State.culling.val != 2f) //Cull Back
{
sb.Append(" Cull ");
switch (m_State.culling.val) //enum CullMode
{
case 0f: //kCullOff
sb.Append("Off");
break;
case 1f: //kCullFront
sb.Append("Front");
break;
}
sb.Append("\n");
}
if (m_State.offsetFactor.val != 0f || m_State.offsetUnits.val != 0f)
{
sb.Append($" Offset {m_State.offsetFactor.val}, {m_State.offsetUnits.val}\n");
}
if (m_State.stencilRef.val != 0f ||
m_State.stencilReadMask.val != 255f ||
m_State.stencilWriteMask.val != 255f ||
m_State.stencilOp.pass.val != 0f ||
m_State.stencilOp.fail.val != 0f ||
m_State.stencilOp.zFail.val != 0f ||
m_State.stencilOp.comp.val != 8f ||
m_State.stencilOpFront.pass.val != 0f ||
m_State.stencilOpFront.fail.val != 0f ||
m_State.stencilOpFront.zFail.val != 0f ||
m_State.stencilOpFront.comp.val != 8f ||
m_State.stencilOpBack.pass.val != 0f ||
m_State.stencilOpBack.fail.val != 0f ||
m_State.stencilOpBack.zFail.val != 0f ||
m_State.stencilOpBack.comp.val != 8f)
{
sb.Append(" Stencil {\n");
if (m_State.stencilRef.val != 0f)
{
sb.Append($" Ref {m_State.stencilRef.val}\n");
}
if (m_State.stencilReadMask.val != 255f)
{
sb.Append($" ReadMask {m_State.stencilReadMask.val}\n");
}
if (m_State.stencilWriteMask.val != 255f)
{
sb.Append($" WriteMask {m_State.stencilWriteMask.val}\n");
}
if (m_State.stencilOp.pass.val != 0f ||
m_State.stencilOp.fail.val != 0f ||
m_State.stencilOp.zFail.val != 0f ||
m_State.stencilOp.comp.val != 8f)
{
sb.Append(ConvertSerializedStencilOp(m_State.stencilOp, ""));
}
if (m_State.stencilOpFront.pass.val != 0f ||
m_State.stencilOpFront.fail.val != 0f ||
m_State.stencilOpFront.zFail.val != 0f ||
m_State.stencilOpFront.comp.val != 8f)
{
sb.Append(ConvertSerializedStencilOp(m_State.stencilOpFront, "Front"));
}
if (m_State.stencilOpBack.pass.val != 0f ||
m_State.stencilOpBack.fail.val != 0f ||
m_State.stencilOpBack.zFail.val != 0f ||
m_State.stencilOpBack.comp.val != 8f)
{
sb.Append(ConvertSerializedStencilOp(m_State.stencilOpBack, "Back"));
}
sb.Append(" }\n");
}
if (m_State.fogMode != FogMode.Unknown ||
m_State.fogColor.x.val != 0f ||
m_State.fogColor.y.val != 0f ||
m_State.fogColor.z.val != 0f ||
m_State.fogColor.w.val != 0f ||
m_State.fogDensity.val != 0f ||
m_State.fogStart.val != 0f ||
m_State.fogEnd.val != 0f)
{
sb.Append(" Fog {\n");
if (m_State.fogMode != FogMode.Unknown)
{
sb.Append(" Mode ");
switch (m_State.fogMode)
{
case FogMode.Disabled:
sb.Append("Off");
break;
case FogMode.Linear:
sb.Append("Linear");
break;
case FogMode.Exp:
sb.Append("Exp");
break;
case FogMode.Exp2:
sb.Append("Exp2");
break;
}
sb.Append("\n");
}
if (m_State.fogColor.x.val != 0f ||
m_State.fogColor.y.val != 0f ||
m_State.fogColor.z.val != 0f ||
m_State.fogColor.w.val != 0f)
{
sb.AppendFormat(" Color ({0},{1},{2},{3})\n",
m_State.fogColor.x.val.ToString(CultureInfo.InvariantCulture),
m_State.fogColor.y.val.ToString(CultureInfo.InvariantCulture),
m_State.fogColor.z.val.ToString(CultureInfo.InvariantCulture),
m_State.fogColor.w.val.ToString(CultureInfo.InvariantCulture));
}
if (m_State.fogDensity.val != 0f)
{
sb.Append($" Density {m_State.fogDensity.val.ToString(CultureInfo.InvariantCulture)}\n");
}
if (m_State.fogStart.val != 0f ||
m_State.fogEnd.val != 0f)
{
sb.Append($" Range {m_State.fogStart.val.ToString(CultureInfo.InvariantCulture)}, {m_State.fogEnd.val.ToString(CultureInfo.InvariantCulture)}\n");
}
sb.Append(" }\n");
}
if (m_State.lighting)
{
sb.Append($" Lighting {(m_State.lighting ? "On" : "Off")}\n");
}
sb.Append($" GpuProgramID {m_State.gpuProgramID}\n");
return sb.ToString();
}
private static string ConvertSerializedStencilOp(SerializedStencilOp stencilOp, string suffix)
{
var sb = new StringBuilder();
sb.Append($" Comp{suffix} {ConvertStencilComp(stencilOp.comp)}\n");
sb.Append($" Pass{suffix} {ConvertStencilOp(stencilOp.pass)}\n");
sb.Append($" Fail{suffix} {ConvertStencilOp(stencilOp.fail)}\n");
sb.Append($" ZFail{suffix} {ConvertStencilOp(stencilOp.zFail)}\n");
return sb.ToString();
}
private static string ConvertStencilOp(SerializedShaderFloatValue op)
{
switch (op.val)
{
case 0f:
default:
return "Keep";
case 1f:
return "Zero";
case 2f:
return "Replace";
case 3f:
return "IncrSat";
case 4f:
return "DecrSat";
case 5f:
return "Invert";
case 6f:
return "IncrWrap";
case 7f:
return "DecrWrap";
}
}
private static string ConvertStencilComp(SerializedShaderFloatValue comp)
{
switch (comp.val)
{
case 0f:
return "Disabled";
case 1f:
return "Never";
case 2f:
return "Less";
case 3f:
return "Equal";
case 4f:
return "LEqual";
case 5f:
return "Greater";
case 6f:
return "NotEqual";
case 7f:
return "GEqual";
case 8f:
default:
return "Always";
}
}
private static string ConvertSerializedShaderRTBlendState(SerializedShaderRTBlendState[] rtBlend, bool rtSeparateBlend)
{
var sb = new StringBuilder();
for (var i = 0; i < rtBlend.Length; i++)
{
var blend = rtBlend[i];
if (blend.srcBlend.val != 1f ||
blend.destBlend.val != 0f ||
blend.srcBlendAlpha.val != 1f ||
blend.destBlendAlpha.val != 0f)
{
sb.Append(" Blend ");
if (i != 0 || rtSeparateBlend)
{
sb.Append($"{i} ");
}
sb.Append($"{ConvertBlendFactor(blend.srcBlend)} {ConvertBlendFactor(blend.destBlend)}");
if (blend.srcBlendAlpha.val != 1f ||
blend.destBlendAlpha.val != 0f)
{
sb.Append($", {ConvertBlendFactor(blend.srcBlendAlpha)} {ConvertBlendFactor(blend.destBlendAlpha)}");
}
sb.Append("\n");
}
if (blend.blendOp.val != 0f ||
blend.blendOpAlpha.val != 0f)
{
sb.Append(" BlendOp ");
if (i != 0 || rtSeparateBlend)
{
sb.Append($"{i} ");
}
sb.Append(ConvertBlendOp(blend.blendOp));
if (blend.blendOpAlpha.val != 0f)
{
sb.Append($", {ConvertBlendOp(blend.blendOpAlpha)}");
}
sb.Append("\n");
}
var val = (int)blend.colMask.val;
if (val != 0xf)
{
sb.Append(" ColorMask ");
if (val == 0)
{
sb.Append(0);
}
else
{
if ((val & 0x2) != 0)
{
sb.Append("R");
}
if ((val & 0x4) != 0)
{
sb.Append("G");
}
if ((val & 0x8) != 0)
{
sb.Append("B");
}
if ((val & 0x1) != 0)
{
sb.Append("A");
}
}
sb.Append($" {i}\n");
}
}
return sb.ToString();
}
private static string ConvertBlendOp(SerializedShaderFloatValue op)
{
switch (op.val)
{
case 0f:
default:
return "Add";
case 1f:
return "Sub";
case 2f:
return "RevSub";
case 3f:
return "Min";
case 4f:
return "Max";
case 5f:
return "LogicalClear";
case 6f:
return "LogicalSet";
case 7f:
return "LogicalCopy";
case 8f:
return "LogicalCopyInverted";
case 9f:
return "LogicalNoop";
case 10f:
return "LogicalInvert";
case 11f:
return "LogicalAnd";
case 12f:
return "LogicalNand";
case 13f:
return "LogicalOr";
case 14f:
return "LogicalNor";
case 15f:
return "LogicalXor";
case 16f:
return "LogicalEquiv";
case 17f:
return "LogicalAndReverse";
case 18f:
return "LogicalAndInverted";
case 19f:
return "LogicalOrReverse";
case 20f:
return "LogicalOrInverted";
}
}
private static string ConvertBlendFactor(SerializedShaderFloatValue factor)
{
switch (factor.val)
{
case 0f:
return "Zero";
case 1f:
default:
return "One";
case 2f:
return "DstColor";
case 3f:
return "SrcColor";
case 4f:
return "OneMinusDstColor";
case 5f:
return "SrcAlpha";
case 6f:
return "OneMinusSrcColor";
case 7f:
return "DstAlpha";
case 8f:
return "OneMinusDstAlpha";
case 9f:
return "SrcAlphaSaturate";
case 10f:
return "OneMinusSrcAlpha";
}
}
private static string ConvertSerializedTagMap(SerializedTagMap m_Tags, int intent)
{
var sb = new StringBuilder();
if (m_Tags.tags.Length > 0)
{
sb.Append(new string(' ', intent));
sb.Append("Tags { ");
foreach (var pair in m_Tags.tags)
{
sb.Append($"\"{pair.Key}\" = \"{pair.Value}\" ");
}
sb.Append("}\n");
}
return sb.ToString();
}
private static string ConvertSerializedProperties(SerializedProperties m_PropInfo)
{
var sb = new StringBuilder();
sb.Append("Properties {\n");
foreach (var m_Prop in m_PropInfo.m_Props)
{
sb.Append(ConvertSerializedProperty(m_Prop));
}
sb.Append("}\n");
return sb.ToString();
}
private static string ConvertSerializedProperty(SerializedProperty m_Prop)
{
var sb = new StringBuilder();
foreach (var m_Attribute in m_Prop.m_Attributes)
{
sb.Append($"[{m_Attribute}] ");
}
//TODO Flag
sb.Append($"{m_Prop.m_Name} (\"{m_Prop.m_Description}\", ");
switch (m_Prop.m_Type)
{
case SerializedPropertyType.Color:
sb.Append("Color");
break;
case SerializedPropertyType.Vector:
sb.Append("Vector");
break;
case SerializedPropertyType.Float:
sb.Append("Float");
break;
case SerializedPropertyType.Range:
sb.Append($"Range({m_Prop.m_DefValue[1]}, {m_Prop.m_DefValue[2]})");
break;
case SerializedPropertyType.Texture:
switch (m_Prop.m_DefTexture.m_TexDim)
{
case TextureDimension.Any:
sb.Append("any");
break;
case TextureDimension.Tex2D:
sb.Append("2D");
break;
case TextureDimension.Tex3D:
sb.Append("3D");
break;
case TextureDimension.Cube:
sb.Append("Cube");
break;
case TextureDimension.Tex2DArray:
sb.Append("2DArray");
break;
case TextureDimension.CubeArray:
sb.Append("CubeArray");
break;
}
break;
}
sb.Append(") = ");
switch (m_Prop.m_Type)
{
case SerializedPropertyType.Color:
case SerializedPropertyType.Vector:
sb.Append($"({m_Prop.m_DefValue[0]},{m_Prop.m_DefValue[1]},{m_Prop.m_DefValue[2]},{m_Prop.m_DefValue[3]})");
break;
case SerializedPropertyType.Float:
case SerializedPropertyType.Range:
sb.Append(m_Prop.m_DefValue[0]);
break;
case SerializedPropertyType.Texture:
sb.Append($"\"{m_Prop.m_DefTexture.m_DefaultName}\" {{ }}");
break;
default:
throw new ArgumentOutOfRangeException();
}
sb.Append("\n");
return sb.ToString();
}
private static bool CheckGpuProgramUsable(ShaderCompilerPlatform platform, ShaderGpuProgramType programType)
{
switch (platform)
{
case ShaderCompilerPlatform.GL:
return programType == ShaderGpuProgramType.GLLegacy;
case ShaderCompilerPlatform.D3D9:
return programType == ShaderGpuProgramType.DX9VertexSM20
|| programType == ShaderGpuProgramType.DX9VertexSM30
|| programType == ShaderGpuProgramType.DX9PixelSM20
|| programType == ShaderGpuProgramType.DX9PixelSM30;
case ShaderCompilerPlatform.Xbox360:
case ShaderCompilerPlatform.PS3:
case ShaderCompilerPlatform.PSP2:
case ShaderCompilerPlatform.PS4:
case ShaderCompilerPlatform.XboxOne:
case ShaderCompilerPlatform.N3DS:
case ShaderCompilerPlatform.WiiU:
case ShaderCompilerPlatform.Switch:
case ShaderCompilerPlatform.XboxOneD3D12:
case ShaderCompilerPlatform.GameCoreXboxOne:
case ShaderCompilerPlatform.GameCoreScarlett:
case ShaderCompilerPlatform.PS5:
return programType == ShaderGpuProgramType.ConsoleVS
|| programType == ShaderGpuProgramType.ConsoleFS
|| programType == ShaderGpuProgramType.ConsoleHS
|| programType == ShaderGpuProgramType.ConsoleDS
|| programType == ShaderGpuProgramType.ConsoleGS;
case ShaderCompilerPlatform.PS5NGGC:
return programType == ShaderGpuProgramType.PS5NGGC;
case ShaderCompilerPlatform.D3D11:
return programType == ShaderGpuProgramType.DX11VertexSM40
|| programType == ShaderGpuProgramType.DX11VertexSM50
|| programType == ShaderGpuProgramType.DX11PixelSM40
|| programType == ShaderGpuProgramType.DX11PixelSM50
|| programType == ShaderGpuProgramType.DX11GeometrySM40
|| programType == ShaderGpuProgramType.DX11GeometrySM50
|| programType == ShaderGpuProgramType.DX11HullSM50
|| programType == ShaderGpuProgramType.DX11DomainSM50;
case ShaderCompilerPlatform.GLES20:
return programType == ShaderGpuProgramType.GLES;
case ShaderCompilerPlatform.NaCl: //Obsolete
throw new NotSupportedException();
case ShaderCompilerPlatform.Flash: //Obsolete
throw new NotSupportedException();
case ShaderCompilerPlatform.D3D11_9x:
return programType == ShaderGpuProgramType.DX10Level9Vertex
|| programType == ShaderGpuProgramType.DX10Level9Pixel;
case ShaderCompilerPlatform.GLES3Plus:
return programType == ShaderGpuProgramType.GLES31AEP
|| programType == ShaderGpuProgramType.GLES31
|| programType == ShaderGpuProgramType.GLES3;
case ShaderCompilerPlatform.PSM: //Unknown
throw new NotSupportedException();
case ShaderCompilerPlatform.Metal:
return programType == ShaderGpuProgramType.MetalVS
|| programType == ShaderGpuProgramType.MetalFS;
case ShaderCompilerPlatform.OpenGLCore:
return programType == ShaderGpuProgramType.GLCore32
|| programType == ShaderGpuProgramType.GLCore41
|| programType == ShaderGpuProgramType.GLCore43;
case ShaderCompilerPlatform.Vulkan:
return programType == ShaderGpuProgramType.SPIRV;
default:
throw new NotSupportedException();
}
}
public static string GetPlatformString(ShaderCompilerPlatform platform)
{
switch (platform)
{
case ShaderCompilerPlatform.GL:
return "openGL";
case ShaderCompilerPlatform.D3D9:
return "d3d9";
case ShaderCompilerPlatform.Xbox360:
return "xbox360";
case ShaderCompilerPlatform.PS3:
return "ps3";
case ShaderCompilerPlatform.D3D11:
return "d3d11";
case ShaderCompilerPlatform.GLES20:
return "gles";
case ShaderCompilerPlatform.NaCl:
return "glesdesktop";
case ShaderCompilerPlatform.Flash:
return "flash";
case ShaderCompilerPlatform.D3D11_9x:
return "d3d11_9x";
case ShaderCompilerPlatform.GLES3Plus:
return "gles3";
case ShaderCompilerPlatform.PSP2:
return "psp2";
case ShaderCompilerPlatform.PS4:
return "ps4";
case ShaderCompilerPlatform.XboxOne:
return "xboxone";
case ShaderCompilerPlatform.PSM:
return "psm";
case ShaderCompilerPlatform.Metal:
return "metal";
case ShaderCompilerPlatform.OpenGLCore:
return "glcore";
case ShaderCompilerPlatform.N3DS:
return "n3ds";
case ShaderCompilerPlatform.WiiU:
return "wiiu";
case ShaderCompilerPlatform.Vulkan:
return "vulkan";
case ShaderCompilerPlatform.Switch:
return "switch";
case ShaderCompilerPlatform.XboxOneD3D12:
return "xboxone_d3d12";
case ShaderCompilerPlatform.GameCoreXboxOne:
return "xboxone";
case ShaderCompilerPlatform.GameCoreScarlett:
return "xbox_scarlett";
case ShaderCompilerPlatform.PS5:
return "ps5";
case ShaderCompilerPlatform.PS5NGGC:
return "ps5_nggc";
default:
return "unknown";
}
}
private static string header = "//////////////////////////////////////////\n" +
"//\n" +
"// NOTE: This is *not* a valid shader file\n" +
"//\n" +
"///////////////////////////////////////////\n";
}
public class ShaderSubProgramEntry
{
public int Offset;
public int Length;
public int Segment;
public ShaderSubProgramEntry(BinaryReader reader, int[] version)
{
Offset = reader.ReadInt32();
Length = reader.ReadInt32();
if (version[0] > 2019 || (version[0] == 2019 && version[1] >= 3)) //2019.3 and up
{
Segment = reader.ReadInt32();
}
}
}
public class ShaderProgram
{
public ShaderSubProgramEntry[] entries;
public ShaderSubProgram[] m_SubPrograms;
public ShaderProgram(BinaryReader reader, int[] version)
{
var subProgramsCapacity = reader.ReadInt32();
entries = new ShaderSubProgramEntry[subProgramsCapacity];
for (int i = 0; i < subProgramsCapacity; i++)
{
entries[i] = new ShaderSubProgramEntry(reader, version);
}
m_SubPrograms = new ShaderSubProgram[subProgramsCapacity];
}
public void Read(BinaryReader reader, int segment)
{
for (int i = 0; i < entries.Length; i++)
{
var entry = entries[i];
if (entry.Segment == segment)
{
reader.BaseStream.Position = entry.Offset;
m_SubPrograms[i] = new ShaderSubProgram(reader);
}
}
}
public string Export(string shader)
{
var evaluator = new MatchEvaluator(match =>
{
var index = int.Parse(match.Groups[1].Value);
return m_SubPrograms[index].Export();
});
shader = Regex.Replace(shader, "GpuProgramIndex (.+)", evaluator);
return shader;
}
}
public class ShaderSubProgram
{
private int m_Version;
public ShaderGpuProgramType m_ProgramType;
public string[] m_Keywords;
public string[] m_LocalKeywords;
public byte[] m_ProgramCode;
public ShaderSubProgram(BinaryReader reader)
{
//LoadGpuProgramFromData
//201509030 - Unity 5.3
//201510240 - Unity 5.4
//201608170 - Unity 5.5
//201609010 - Unity 5.6, 2017.1 & 2017.2
//201708220 - Unity 2017.3, Unity 2017.4 & Unity 2018.1
//201802150 - Unity 2018.2 & Unity 2018.3
//201806140 - Unity 2019.1~2021.1
//202012090 - Unity 2021.2
m_Version = reader.ReadInt32();
m_ProgramType = (ShaderGpuProgramType)reader.ReadInt32();
reader.BaseStream.Position += 12;
if (m_Version >= 201608170)
{
reader.BaseStream.Position += 4;
}
var m_KeywordsSize = reader.ReadInt32();
m_Keywords = new string[m_KeywordsSize];
for (int i = 0; i < m_KeywordsSize; i++)
{
m_Keywords[i] = reader.ReadAlignedString();
}
if (m_Version >= 201806140 && m_Version < 202012090)
{
var m_LocalKeywordsSize = reader.ReadInt32();
m_LocalKeywords = new string[m_LocalKeywordsSize];
for (int i = 0; i < m_LocalKeywordsSize; i++)
{
m_LocalKeywords[i] = reader.ReadAlignedString();
}
}
m_ProgramCode = reader.ReadUInt8Array();
reader.AlignStream();
//TODO
}
public string Export()
{
var sb = new StringBuilder();
if (m_Keywords.Length > 0)
{
sb.Append("Keywords { ");
foreach (string keyword in m_Keywords)
{
sb.Append($"\"{keyword}\" ");
}
sb.Append("}\n");
}
if (m_LocalKeywords != null && m_LocalKeywords.Length > 0)
{
sb.Append("Local Keywords { ");
foreach (string keyword in m_LocalKeywords)
{
sb.Append($"\"{keyword}\" ");
}
sb.Append("}\n");
}
sb.Append("\"");
if (m_ProgramCode.Length > 0)
{
switch (m_ProgramType)
{
case ShaderGpuProgramType.GLLegacy: