You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
[shaders] move ShaderParameterParser & some related functions to RenderCore so it can be used in the core shader compilation code (forthcoming change requires this)
#preflight 643eda5473470c177c27590d #rb Yuriy.ODonnell #rb Christopher.Waters [CL 25106284 by dan elksnitis in ue5-main branch]
This commit is contained in:
dan elksnitis
@@ -18,7 +18,10 @@ class FShaderParameterParser;
|
||||
namespace UE::ShaderCompilerCommon
|
||||
{
|
||||
static constexpr const TCHAR* kUniformBufferConstantBufferPrefix = TEXT("UniformBufferConstants_");
|
||||
|
||||
UE_DEPRECATED(5.3, "No longer used; use FShaderParameterParser::kBindlessResourcePrefix instead")
|
||||
static constexpr const TCHAR* kBindlessResourcePrefix = TEXT("BindlessResource_");
|
||||
UE_DEPRECATED(5.3, "No longer used; use FShaderParameterParser::kBindlessSamplerPrefix instead")
|
||||
static constexpr const TCHAR* kBindlessSamplerPrefix = TEXT("BindlessSampler_");
|
||||
}
|
||||
|
||||
@@ -58,16 +61,25 @@ extern SHADERCOMPILERCOMMON_API int16 GetNumUniformBuffersUsed(const FShaderComp
|
||||
|
||||
namespace UE::ShaderCompilerCommon
|
||||
{
|
||||
extern SHADERCOMPILERCOMMON_API bool ShouldUseStableConstantBuffer(const FShaderCompilerInput& Input);
|
||||
UE_DEPRECATED(5.3, "Deprecated; use FShaderCompilerInput::ShouldUseStableContantBuffer directly")
|
||||
inline bool ShouldUseStableConstantBuffer(const FShaderCompilerInput& Input)
|
||||
{
|
||||
return Input.ShouldUseStableConstantBuffer();
|
||||
}
|
||||
|
||||
UE_DEPRECATED(5.3, "Deprecated; use FShaderParameterParser::ParseParameterType instead")
|
||||
extern SHADERCOMPILERCOMMON_API EShaderParameterType ParseParameterType(FStringView InType, TArrayView<const TCHAR* const> InExtraSRVTypes, TArrayView<const TCHAR* const> InExtraUAVTypes);
|
||||
|
||||
extern SHADERCOMPILERCOMMON_API FStringView RemoveConstantBufferPrefix(FStringView InName);
|
||||
extern SHADERCOMPILERCOMMON_API FString RemoveConstantBufferPrefix(const FString& InName);
|
||||
|
||||
UE_DEPRECATED(5.3, "Deprecated; use FShaderParameterParser::ParseAndRemoveBindlessParameterPrefix instead")
|
||||
extern SHADERCOMPILERCOMMON_API EShaderParameterType ParseAndRemoveBindlessParameterPrefix(FStringView& InName);
|
||||
|
||||
UE_DEPRECATED(5.3, "Deprecated; use FShaderParameterParser::ParseAndRemoveBindlessParameterPrexix instead")
|
||||
extern SHADERCOMPILERCOMMON_API EShaderParameterType ParseAndRemoveBindlessParameterPrefix(FString& InName);
|
||||
|
||||
UE_DEPRECATED(5.3, "Deprecated; use FShaderParameterParser::RemoveBindlessParameterPrefix instead")
|
||||
extern SHADERCOMPILERCOMMON_API bool RemoveBindlessParameterPrefix(FString& InName);
|
||||
|
||||
extern SHADERCOMPILERCOMMON_API bool ValidatePackedResourceCounts(FShaderCompilerOutput& Output, const FShaderCodePackedResourceCounts& PackedResourceCounts);
|
||||
|
||||
@@ -1,190 +0,0 @@
|
||||
// Copyright Epic Games, Inc. All Rights Reserved.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "CoreMinimal.h"
|
||||
#include "ShaderParameterMetadata.h"
|
||||
|
||||
struct FShaderCompilerInput;
|
||||
struct FShaderCompilerOutput;
|
||||
|
||||
enum class EShaderParameterType : uint8;
|
||||
|
||||
enum class EBindlessConversionType : uint8
|
||||
{
|
||||
None,
|
||||
Resource,
|
||||
Sampler
|
||||
};
|
||||
|
||||
/** Validates and moves all the shader loose data parameter defined in the root scope of the shader into the root uniform buffer. */
|
||||
class SHADERCOMPILERCOMMON_API FShaderParameterParser
|
||||
{
|
||||
public:
|
||||
struct FParsedShaderParameter
|
||||
{
|
||||
public:
|
||||
/** Original information about the member. */
|
||||
EUniformBufferBaseType BaseType;
|
||||
EShaderPrecisionModifier::Type PrecisionModifier;
|
||||
uint32 NumRows;
|
||||
uint32 NumColumns;
|
||||
uint32 MemberSize;
|
||||
|
||||
/** Information found about the member when parsing the preprocessed code. */
|
||||
FStringView ParsedName; /** View into FShaderParameterParser::OriginalParsedShader */
|
||||
FStringView ParsedType; /** View into FShaderParameterParser::OriginalParsedShader */
|
||||
FStringView ParsedArraySize; /** View into FShaderParameterParser::OriginalParsedShader */
|
||||
|
||||
/** Offset the member should be in the constant buffer. */
|
||||
int32 ConstantBufferOffset = 0;
|
||||
|
||||
/* Returns whether the shader parameter has been found when parsing. */
|
||||
bool IsFound() const
|
||||
{
|
||||
return !ParsedType.IsEmpty();
|
||||
}
|
||||
|
||||
int32 ParsedPragmaLineoffset = 0;
|
||||
int32 ParsedLineOffset = 0;
|
||||
|
||||
/** Character position of the start and end of the parameter decelaration in FParsedShaderParameter::OriginalParsedShader */
|
||||
int32 ParsedCharOffsetStart = INDEX_NONE;
|
||||
int32 ParsedCharOffsetEnd = INDEX_NONE;
|
||||
|
||||
EBindlessConversionType BindlessConversionType{};
|
||||
EShaderParameterType ConstantBufferParameterType{};
|
||||
|
||||
bool bGloballyCoherent = false;
|
||||
bool bIsBindable = false;
|
||||
|
||||
friend class FShaderParameterParser;
|
||||
};
|
||||
|
||||
FShaderParameterParser();
|
||||
FShaderParameterParser(const TCHAR* InConstantBufferType);
|
||||
FShaderParameterParser(const TCHAR* InConstantBufferType, TArrayView<const TCHAR* const> InExtraSRVTypes, TArrayView<const TCHAR* const> InExtraUAVTypes);
|
||||
virtual ~FShaderParameterParser();
|
||||
|
||||
/** Parses the preprocessed shader code and applies the necessary modifications to it. */
|
||||
bool ParseAndModify(
|
||||
const FShaderCompilerInput& CompilerInput,
|
||||
FShaderCompilerOutput& CompilerOutput,
|
||||
FString& PreprocessedShaderSource
|
||||
);
|
||||
|
||||
UE_DEPRECATED(5.2, "ParseAndModify doesn't need ConstantBufferType anymore")
|
||||
bool ParseAndModify(
|
||||
const FShaderCompilerInput& CompilerInput,
|
||||
FShaderCompilerOutput& CompilerOutput,
|
||||
FString& PreprocessedShaderSource,
|
||||
const TCHAR* InConstantBufferType
|
||||
)
|
||||
{
|
||||
return ParseAndModify(CompilerInput, CompilerOutput, PreprocessedShaderSource);
|
||||
}
|
||||
|
||||
/** Parses the preprocessed shader code and move the parameters into root constant buffer */
|
||||
UE_DEPRECATED(5.1, "ParseAndModify should be called instead.")
|
||||
bool ParseAndMoveShaderParametersToRootConstantBuffer(
|
||||
const FShaderCompilerInput& CompilerInput,
|
||||
FShaderCompilerOutput& CompilerOutput,
|
||||
FString& PreprocessedShaderSource,
|
||||
const TCHAR* InConstantBufferType)
|
||||
{
|
||||
return ParseAndModify(CompilerInput, CompilerOutput, PreprocessedShaderSource);
|
||||
}
|
||||
|
||||
/** Gets parsing information from a parameter binding name. */
|
||||
const FParsedShaderParameter& FindParameterInfos(const FString& ParameterName) const
|
||||
{
|
||||
return ParsedParameters.FindChecked(ParameterName);
|
||||
}
|
||||
|
||||
/** Validates the shader parameter in code is compatible with the shader parameter structure. */
|
||||
void ValidateShaderParameterType(
|
||||
const FShaderCompilerInput& CompilerInput,
|
||||
const FString& ShaderBindingName,
|
||||
int32 ReflectionOffset,
|
||||
int32 ReflectionSize,
|
||||
bool bPlatformSupportsPrecisionModifier,
|
||||
FShaderCompilerOutput& CompilerOutput) const;
|
||||
|
||||
void ValidateShaderParameterType(
|
||||
const FShaderCompilerInput& CompilerInput,
|
||||
const FString& ShaderBindingName,
|
||||
int32 ReflectionOffset,
|
||||
int32 ReflectionSize,
|
||||
FShaderCompilerOutput& CompilerOutput) const
|
||||
{
|
||||
ValidateShaderParameterType(CompilerInput, ShaderBindingName, ReflectionOffset, ReflectionSize, false, CompilerOutput);
|
||||
}
|
||||
|
||||
/** Validates shader parameter map is compatible with the shader parameter structure. */
|
||||
void ValidateShaderParameterTypes(
|
||||
const FShaderCompilerInput& CompilerInput,
|
||||
bool bPlatformSupportsPrecisionModifier,
|
||||
FShaderCompilerOutput& CompilerOutput) const;
|
||||
|
||||
void ValidateShaderParameterTypes(
|
||||
const FShaderCompilerInput& CompilerInput,
|
||||
FShaderCompilerOutput& CompilerOutput) const
|
||||
{
|
||||
ValidateShaderParameterTypes(CompilerInput, false, CompilerOutput);
|
||||
}
|
||||
|
||||
/** Gets file and line of the parameter in the shader source code. */
|
||||
void GetParameterFileAndLine(const FParsedShaderParameter& ParsedParameter, FString& OutFile, FString& OutLine) const
|
||||
{
|
||||
return ExtractFileAndLine(ParsedParameter.ParsedPragmaLineoffset, ParsedParameter.ParsedLineOffset, OutFile, OutLine);
|
||||
}
|
||||
|
||||
protected:
|
||||
/** Parses the preprocessed shader code */
|
||||
bool ParseParameters(
|
||||
const FShaderCompilerInput& CompilerInput,
|
||||
FShaderCompilerOutput& CompilerOutput
|
||||
);
|
||||
|
||||
void RemoveMovingParametersFromSource(
|
||||
FString& PreprocessedShaderSource
|
||||
);
|
||||
|
||||
/** Converts parsed parameters into their bindless forms. */
|
||||
void ApplyBindlessModifications(
|
||||
FString& PreprocessedShaderSource
|
||||
);
|
||||
|
||||
/** Moves parsed parameters into the root constant buffer. */
|
||||
bool MoveShaderParametersToRootConstantBuffer(
|
||||
const FShaderCompilerInput& CompilerInput,
|
||||
FShaderCompilerOutput& CompilerOutput,
|
||||
FString& PreprocessedShaderSource
|
||||
);
|
||||
|
||||
void ExtractFileAndLine(int32 PragamLineoffset, int32 LineOffset, FString& OutFile, FString& OutLine) const;
|
||||
|
||||
/**
|
||||
* Generates shader source code to declare a bindless resource or sampler (for automatic bindless conversion).
|
||||
* May be overriden to allow custom implementations for different platforms.
|
||||
*/
|
||||
virtual FString GenerateBindlessParameterDeclaration(const FParsedShaderParameter& ParsedParameter) const;
|
||||
|
||||
const TCHAR* const ConstantBufferType = nullptr;
|
||||
|
||||
const TArray<const TCHAR*> ExtraSRVTypes;
|
||||
const TArray<const TCHAR*> ExtraUAVTypes;
|
||||
|
||||
FString OriginalParsedShader;
|
||||
|
||||
TMap<FString, FParsedShaderParameter> ParsedParameters;
|
||||
|
||||
bool bBindlessResources = false;
|
||||
bool bBindlessSamplers = false;
|
||||
|
||||
/** Indicates that parameters should be moved to the root cosntant buffer. */
|
||||
bool bNeedToMoveToRootConstantBuffer = false;
|
||||
|
||||
/** Indicates that parameters were actually moved to the root constant buffer. */
|
||||
bool bMovedLoosedParametersToRootConstantBuffer = false;
|
||||
};
|
||||
Reference in New Issue
Block a user