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Shader.py
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393 lines (317 loc) · 13.9 KB
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from enum import IntEnum
from .NamedObject import NamedObject
from ..export.ShaderConverter import export_shader
from ..enums import ShaderCompilerPlatform, ShaderGpuProgramType, SerializedPropertyType
from ..enums import TextureDimension, PassType
class Shader(NamedObject):
def export(self):
return export_shader(self)
def __init__(self, reader):
super().__init__(reader=reader)
version = reader.version
if version >= (5, 5): # 5.5 and up
self.m_ParsedForm = SerializedShader(reader)
self.platforms = [
ShaderCompilerPlatform(x) for x in reader.read_u_int_array()
]
if version >= (2019, 3): # 2019.3 and up
self.offsets = reader.read_u_int_array_array()[0]
self.compressedLengths = reader.read_u_int_array_array()[0]
self.decompressedLengths = reader.read_u_int_array_array()[0]
else:
self.offsets = reader.read_u_int_array()
self.compressedLengths = reader.read_u_int_array()
self.decompressedLengths = reader.read_u_int_array()
self.compressedBlob = reader.read_bytes(reader.read_int())
else:
self.m_Script = reader.read_bytes(reader.read_int())
reader.align_stream()
self.m_PathName = reader.read_aligned_string()
if version >= (5, 3): # 5.3 - 5.4
self.decompressedSize = reader.read_u_int()
self.m_SubProgramBlob = reader.read_bytes(reader.read_int())
class StructParameter:
def __init__(self, reader):
self.m_NameIndex = reader.read_int()
self.m_Index = reader.read_int()
self.m_ArraySize = reader.read_int()
self.m_StructSize = reader.read_int()
numVectorParams = reader.read_int()
self.m_VectorParams = [VectorParameter(
reader) for _ in range(numVectorParams)]
numMatrixParams = reader.read_int()
self.m_MatrixParams = [MatrixParameter(
reader) for _ in range(numMatrixParams)]
class SamplerParameter:
def __init__(self, reader):
self.sampler = reader.read_u_int()
self.bindPoint = reader.read_int()
class SerializedTextureProperty:
def __init__(self, reader):
self.m_DefaultName = reader.read_aligned_string()
self.m_TexDim = TextureDimension(reader.read_int())
class SerializedProperty:
def __init__(self, reader):
self.m_Name = reader.read_aligned_string()
self.m_Description = reader.read_aligned_string()
self.m_Attributes = reader.read_string_array()
self.m_Type = SerializedPropertyType(reader.read_int())
self.m_Flags = reader.read_u_int()
self.m_DefValue = reader.read_float_array(4)
self.m_DefTexture = SerializedTextureProperty(reader)
class SerializedProperties:
def __init__(self, reader):
numProps = reader.read_int()
self.m_Props = [SerializedProperty(reader) for _ in range(numProps)]
class SerializedShaderFloatValue:
def __init__(self, reader):
self.val = reader.read_float()
self.name = reader.read_aligned_string()
class SerializedShaderRTBlendState:
def __init__(self, reader):
self.srcBlend = SerializedShaderFloatValue(reader)
self.destBlend = SerializedShaderFloatValue(reader)
self.srcBlendAlpha = SerializedShaderFloatValue(reader)
self.destBlendAlpha = SerializedShaderFloatValue(reader)
self.blendOp = SerializedShaderFloatValue(reader)
self.blendOpAlpha = SerializedShaderFloatValue(reader)
self.colMask = SerializedShaderFloatValue(reader)
class SerializedStencilOp:
def __init__(self, reader):
self.pass_ = SerializedShaderFloatValue(reader)
self.fail = SerializedShaderFloatValue(reader)
self.zFail = SerializedShaderFloatValue(reader)
self.comp = SerializedShaderFloatValue(reader)
class SerializedShaderVectorValue:
def __init__(self, reader):
self.x = SerializedShaderFloatValue(reader)
self.y = SerializedShaderFloatValue(reader)
self.z = SerializedShaderFloatValue(reader)
self.w = SerializedShaderFloatValue(reader)
self.name = reader.read_aligned_string()
class FogMode(IntEnum):
kFogUnknown = (-1,)
kFogDisabled = (0,)
kFogLinear = (1,)
kFogExp = (2,)
kFogExp2 = (3,)
class SerializedShaderState:
def __init__(self, reader):
version = reader.version
self.m_Name = reader.read_aligned_string()
self.rtBlend = [SerializedShaderRTBlendState(reader) for _ in range(8)]
self.rtSeparateBlend = reader.read_boolean()
reader.align_stream()
if version >= (2017, 2): # 2017.2 and up
self.zClip = SerializedShaderFloatValue(reader)
self.zTest = SerializedShaderFloatValue(reader)
self.zWrite = SerializedShaderFloatValue(reader)
self.culling = SerializedShaderFloatValue(reader)
if version >= (2020,): # 2020.1 and up
self.conservative = SerializedShaderFloatValue(reader)
self.offsetFactor = SerializedShaderFloatValue(reader)
self.offsetUnits = SerializedShaderFloatValue(reader)
self.alphaToMask = SerializedShaderFloatValue(reader)
self.stencilOp = SerializedStencilOp(reader)
self.stencilOpFront = SerializedStencilOp(reader)
self.stencilOpBack = SerializedStencilOp(reader)
self.stencilReadMask = SerializedShaderFloatValue(reader)
self.stencilWriteMask = SerializedShaderFloatValue(reader)
self.stencilRef = SerializedShaderFloatValue(reader)
self.fogStart = SerializedShaderFloatValue(reader)
self.fogEnd = SerializedShaderFloatValue(reader)
self.fogDensity = SerializedShaderFloatValue(reader)
self.fogColor = SerializedShaderVectorValue(reader)
self.fogMode = FogMode(reader.read_int())
self.gpuProgramID = reader.read_int()
self.m_Tags = SerializedTagMap(reader)
self.m_LOD = reader.read_int()
self.lighting = reader.read_boolean()
reader.align_stream()
class ShaderBindChannel:
def __init__(self, reader):
self.source = reader.read_byte()
self.target = reader.read_byte()
class ParserBindChannels:
def __init__(self, reader):
numChannels = reader.read_int()
self.m_Channels = [ShaderBindChannel(
reader) for _ in range(numChannels)]
reader.align_stream()
self.m_SourceMap = reader.read_u_int()
class VectorParameter:
def __init__(self, reader):
self.m_NameIndex = reader.read_int()
self.m_Index = reader.read_int()
self.m_ArraySize = reader.read_int()
self.m_Type = reader.read_byte()
self.m_Dim = reader.read_byte()
reader.align_stream()
class MatrixParameter:
def __init__(self, reader):
self.m_NameIndex = reader.read_int()
self.m_Index = reader.read_int()
self.m_ArraySize = reader.read_int()
self.m_Type = reader.read_byte()
self.m_RowCount = reader.read_byte()
reader.align_stream()
class TextureParameter:
def __init__(self, reader):
version = reader.version
self.m_NameIndex = reader.read_int()
self.m_Index = reader.read_int()
self.m_SamplerIndex = reader.read_int()
if version >= (2017, 3): # 2017.3 and up
self.m_MultiSampled = reader.read_boolean()
self.m_Dim = reader.read_byte()
reader.align_stream()
class BufferBinding:
def __init__(self, reader):
self.m_NameIndex = reader.read_int()
self.m_Index = reader.read_int()
if reader.version >= (2020,): # 2020.1 and up
m_ArraySize = reader.read_int()
class ConstantBuffer:
def __init__(self, reader):
version = reader.version
self.m_NameIndex = reader.read_int()
numMatrixParams = reader.read_int()
self.m_MatrixParams = [MatrixParameter(
reader) for _ in range(numMatrixParams)]
numVectorParams = reader.read_int()
self.m_VectorParams = [VectorParameter(
reader) for _ in range(numVectorParams)]
if version >= (2017, 3): # 2017.3 and up
numStructParams = reader.read_int()
self.m_StructParams = [
StructParameter(reader) for _ in range(numStructParams)
]
self.m_Size = reader.read_int()
class UAVParameter:
def __init__(self, reader):
self.m_NameIndex = reader.read_int()
self.m_Index = reader.read_int()
self.m_OriginalIndex = reader.read_int()
class SerializedSubProgram:
def __init__(self, reader):
version = reader.version
self.m_BlobIndex = reader.read_u_int()
self.m_Channels = ParserBindChannels(reader)
if version >= (2019,): # 2019 and up
self.m_GlobalKeywordIndices = reader.read_u_short_array()
reader.align_stream()
self.m_LocalKeywordIndices = reader.read_u_short_array()
reader.align_stream()
else:
self.m_KeywordIndices = reader.read_u_short_array()
if version >= (2017,): # 2017 and up
reader.align_stream()
self.m_ShaderHardwareTier = reader.read_byte()
self.m_GpuProgramType = ShaderGpuProgramType(reader.read_byte())
reader.align_stream()
numVectorParams = reader.read_int()
self.m_VectorParams = [VectorParameter(
reader) for _ in range(numVectorParams)]
numMatrixParams = reader.read_int()
self.m_MatrixParams = [MatrixParameter(
reader) for _ in range(numMatrixParams)]
numTextureParams = reader.read_int()
self.m_TextureParams = [
TextureParameter(reader) for _ in range(numTextureParams)
]
numBufferParams = reader.read_int()
self.m_BufferParams = [BufferBinding(
reader) for _ in range(numBufferParams)]
numConstantBuffers = reader.read_int()
self.m_ConstantBuffers = [
ConstantBuffer(reader) for _ in range(numConstantBuffers)
]
numConstantBufferBindings = reader.read_int()
self.m_ConstantBufferBindings = [
BufferBinding(reader) for _ in range(numConstantBufferBindings)
]
numUAVParams = reader.read_int()
self.m_UAVParams = [UAVParameter(reader) for _ in range(numUAVParams)]
if version >= (2017,): # 2017 and up
numSamplers = reader.read_int()
self.m_Samplers = [SamplerParameter(
reader) for _ in range(numSamplers)]
if version >= (2017, 2): # 2017.2 and up
self.m_ShaderRequirements = reader.read_int()
class SerializedProgram:
def __init__(self, reader):
numSubPrograms = reader.read_int()
self.m_SubPrograms = [
SerializedSubProgram(reader) for _ in range(numSubPrograms)
]
class SerializedPass:
def __init__(self, reader):
version = reader.version
if version >= (2020, 2): # 2020.2 and up
numEditorDataHash = reader.read_int()
m_EditorDataHash = [
reader.read_bytes(16) # Hash128(reader)
for _ in range(numEditorDataHash)
]
reader.align_stream()
m_Platforms = reader.read_byte_array()
reader.align_stream()
m_LocalKeywordMask = reader.read_u_short_array()
reader.align_stream()
m_GlobalKeywordMask = reader.read_u_short_array()
reader.align_stream()
numIndices = reader.read_int()
self.m_NameIndices = {}
for _ in range(numIndices):
key = reader.read_aligned_string()
self.m_NameIndices[key] = reader.read_int()
self.m_Type = PassType(reader.read_int())
self.m_State = SerializedShaderState(reader)
self.m_ProgramMask = reader.read_u_int()
self.progVertex = SerializedProgram(reader)
self.progFragment = SerializedProgram(reader)
self.progGeometry = SerializedProgram(reader)
self.progHull = SerializedProgram(reader)
self.progDomain = SerializedProgram(reader)
if version >= (2019, 3): # 2019.3 and up
self.progRayTracing = SerializedProgram(reader)
self.m_HasInstancingVariant = reader.read_boolean()
if version >= (2018,): # 2018 and up
self.m_HasProceduralInstancingVariant = reader.read_boolean()
reader.align_stream()
self.m_UseName = reader.read_aligned_string()
self.m_Name = reader.read_aligned_string()
self.m_TextureName = reader.read_aligned_string()
self.m_Tags = SerializedTagMap(reader)
class SerializedTagMap:
def __init__(self, reader):
numTags = reader.read_int()
self.tags = {}
for _ in range(numTags):
key = reader.read_aligned_string()
self.tags[key] = reader.read_aligned_string()
class SerializedSubShader:
def __init__(self, reader):
numPasses = reader.read_int()
self.m_Passes = [SerializedPass(reader) for _ in range(numPasses)]
self.m_Tags = SerializedTagMap(reader)
self.m_LOD = reader.read_int()
class SerializedShaderDependency:
def __init__(self, reader):
self.from_ = reader.read_aligned_string()
self.to = reader.read_aligned_string()
class SerializedShader:
def __init__(self, reader):
self.m_PropInfo = SerializedProperties(reader)
numSubShaders = reader.read_int()
self.m_SubShaders = [SerializedSubShader(
reader) for _ in range(numSubShaders)]
self.m_Name = reader.read_aligned_string()
self.m_CustomEditorName = reader.read_aligned_string()
self.m_FallbackName = reader.read_aligned_string()
numDependencies = reader.read_int()
self.m_Dependencies = [
SerializedShaderDependency(reader) for _ in range(numDependencies)
]
self.m_DisableNoSubshadersMessage = reader.read_boolean()
reader.align_stream()