SemanticSignaturePacking.cpp File Reference

#include "llvm/Frontend/HLSL/SemanticSignaturePacking.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Sequence.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/bit.h"
#include <algorithm>
#include <array>
#include <cassert>
#include <cstdint>
#include <limits>
#include <optional>

Go to the source code of this file.

Functions
static uint8_t	getStartColumn (uint8_t ColumnMask)
static PackingGroup	getOptimizedPackingGroup (const SemanticSignatureElement &Element, Triple::EnvironmentType ShaderStage, IOType IOTy)
static unsigned	getComponentWidth (dxil::ElementType ComponentType, bool UseNative16BitTypes)
static ElementPlacement	getElementPlacement (const SemanticSignatureElement &Element, SemanticInterpretation Interpretation, bool UseNative16BitTypes)
static SemanticInterpretation	getComponentOrder (SemanticInterpretation Interpretation)
static bool	canCoPack (const SignatureRow &Row, const ElementPlacement &Placement, IndexedRowRange IndexedRange)
static std::optional< uint8_t >	canPlaceAt (ArrayRef< SignatureRow > Rows, unsigned StartRow, const ElementPlacement &Placement)
static void	placeRowsAt (MutableArrayRef< SignatureRow > Rows, unsigned StartRow, const ElementPlacement &Placement, uint8_t ColumnMask)
static void	placeAt (MutableArrayRef< SignatureRow > Rows, unsigned StartRow, const ElementPlacement &Placement, uint8_t ColumnMask, ElementLocation &Location)
static bool	prefixPackElement (ElementLocation &Location, MutableArrayRef< SignatureRow > Rows, const ElementPlacement &Placement)
static ElementPlacement	getClipCullReservation (const ElementPlacement &Placement, unsigned RowCount)
static bool	reserveClipCullRows (MutableArrayRef< SignatureRow > Rows, unsigned StartRow, const ElementPlacement &Reservation)
static std::optional< unsigned >	reserveNextClipCullRows (MutableArrayRef< SignatureRow > Rows, const ElementPlacement &Reservation)
static std::optional< SignaturePackingError::ErrorKind >	reserveClipCullSignatureRows (MutableArrayRef< SignatureRow > SignatureRows, ClipCullState &State, const ElementPlacement &Placement, unsigned NewRowsUsed)
static std::optional< SignaturePackingError::ErrorKind >	packClipCullElement (ElementLocation &Location, MutableArrayRef< SignatureRow > SignatureRows, ClipCullState &State, const ElementPlacement &Placement)
static Error	packOptimizedClipCullStream (MutableArrayRef< OptimizedClipCullElement > Elements, MutableArrayRef< SignatureRow > Rows)
static Expected< unsigned >	packOptimizedClipCull (MutableArrayRef< SemanticSignatureElement > Elements, ArrayRef< unsigned > Order, MutableArrayRef< SignatureRows > Rows, bool UseNative16BitTypes)
template<typename IndexRange>
static Expected< unsigned >	packSignatureInOrder (MutableArrayRef< SemanticSignatureElement > Elements, const IndexRange &Order, Triple::EnvironmentType ShaderStage, IOType IOTy, bool UseNative16BitTypes, MutableArrayRef< SignatureRows > Rows)

Function Documentation

canCoPack()

bool canCoPack ( const SignatureRow & Row, const ElementPlacement & Placement, IndexedRowRange IndexedRange )

static

Definition at line 215 of file SemanticSignaturePacking.cpp.

References llvm::hlsl::Arbitrary, getComponentOrder(), Placement, llvm::hlsl::SGV, llvm::hlsl::SV, and llvm::hlsl::TessFactor.

Referenced by canPlaceAt().

canPlaceAt()

std::optional< uint8_t > canPlaceAt ( ArrayRef< SignatureRow > Rows, unsigned StartRow, const ElementPlacement & Placement )

static

Definition at line 257 of file SemanticSignaturePacking.cpp.

References canCoPack(), llvm::hlsl::MaxSignatureCols, Placement, llvm::ArrayRef< T >::size(), and llvm::hlsl::TessFactor.

Referenced by packClipCullElement(), packOptimizedClipCullStream(), prefixPackElement(), and reserveClipCullRows().

getClipCullReservation()

ElementPlacement getClipCullReservation ( const ElementPlacement & Placement, unsigned RowCount )

static

Definition at line 343 of file SemanticSignaturePacking.cpp.

References llvm::hlsl::MaxSignatureCols, and Placement.

Referenced by reserveClipCullSignatureRows().

getComponentOrder()

SemanticInterpretation getComponentOrder ( SemanticInterpretation Interpretation )

static

Definition at line 206 of file SemanticSignaturePacking.cpp.

References llvm::hlsl::ClipCull, and llvm::hlsl::SV.

Referenced by canCoPack().

getComponentWidth()

unsigned getComponentWidth ( dxil::ElementType ComponentType, bool UseNative16BitTypes )

static

Definition at line 169 of file SemanticSignaturePacking.cpp.

References assert(), llvm::dxil::F16, llvm::dxil::F64, llvm::dxil::I16, llvm::dxil::I64, llvm::dxil::SNormF16, llvm::dxil::SNormF64, llvm::dxil::U16, llvm::dxil::U64, llvm::dxil::UNormF16, and llvm::dxil::UNormF64.

Referenced by getElementPlacement().

getElementPlacement()

ElementPlacement getElementPlacement ( const SemanticSignatureElement & Element, SemanticInterpretation Interpretation, bool UseNative16BitTypes )

static

Definition at line 194 of file SemanticSignaturePacking.cpp.

References llvm::hlsl::SemanticSignatureElement::Cols, llvm::hlsl::SemanticSignatureElement::CompType, getComponentWidth(), llvm::hlsl::SemanticSignatureElement::InterpMode, llvm::hlsl::SemanticSignatureElement::Rows, llvm::hlsl::SV, and llvm::hlsl::TessFactor.

Referenced by packOptimizedClipCull(), and packSignatureInOrder().

getOptimizedPackingGroup()

PackingGroup getOptimizedPackingGroup ( const SemanticSignatureElement & Element, Triple::EnvironmentType ShaderStage, IOType IOTy )

static

Definition at line 133 of file SemanticSignaturePacking.cpp.

References llvm::hlsl::Arbitrary, assert(), llvm::hlsl::ClipCull, llvm::hlsl::SemanticSignatureElement::Cols, llvm::hlsl::getInterpretationKind(), llvm::hlsl::Invalid, llvm_unreachable, llvm::hlsl::MaxSignatureCols, llvm::hlsl::NotAllocated, llvm::hlsl::SemanticSignatureElement::Rows, llvm::hlsl::SemanticSignatureElement::SemanticKind, llvm::hlsl::SGV, llvm::hlsl::SV, llvm::hlsl::Target, and llvm::hlsl::TessFactor.

Referenced by llvm::hlsl::packSignatureOptimized().

getStartColumn()

uint8_t getStartColumn ( uint8_t ColumnMask )

static

Definition at line 127 of file SemanticSignaturePacking.cpp.

References assert(), and llvm::countr_zero().

Referenced by packClipCullElement(), and placeAt().

packClipCullElement()

std::optional< SignaturePackingError::ErrorKind > packClipCullElement ( ElementLocation & Location, MutableArrayRef< SignatureRow > SignatureRows, ClipCullState & State, const ElementPlacement & Placement )

static

Definition at line 416 of file SemanticSignaturePacking.cpp.

References canPlaceAt(), llvm::hlsl::SignaturePackingError::ClipCullOverflow, getStartColumn(), llvm::hlsl::MaxClipCullRows, Placement, placeRowsAt(), and reserveClipCullSignatureRows().

Referenced by packSignatureInOrder().

packOptimizedClipCull()

Expected< unsigned > packOptimizedClipCull ( MutableArrayRef< SemanticSignatureElement > Elements, ArrayRef< unsigned > Order, MutableArrayRef< SignatureRows > Rows, bool UseNative16BitTypes )

static

Definition at line 520 of file SemanticSignaturePacking.cpp.

References assert(), llvm::MutableArrayRef< T >::begin(), llvm::hlsl::ClipCull, llvm::copy(), llvm::ArrayRef< T >::empty(), llvm::MutableArrayRef< T >::end(), getElementPlacement(), llvm::hlsl::SignaturePackingError::InvalidGeometryStream, llvm::make_error(), llvm::hlsl::MaxGeometryStreams, llvm::hlsl::MaxSignatureCols, packOptimizedClipCullStream(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::ArrayRef< T >::size(), llvm::SmallVectorTemplateCommon< T, typename >::size(), llvm::hlsl::UnallocatedCol, and llvm::hlsl::UnallocatedRow.

Referenced by llvm::hlsl::packSignatureOptimized().

packOptimizedClipCullStream()

Error packOptimizedClipCullStream ( MutableArrayRef< OptimizedClipCullElement > Elements, MutableArrayRef< SignatureRow > Rows )

static

Definition at line 446 of file SemanticSignaturePacking.cpp.

References llvm::ArrayRef(), llvm::MutableArrayRef< T >::begin(), canPlaceAt(), llvm::hlsl::SignaturePackingError::ClipCullOverflow, llvm::copy(), llvm::MutableArrayRef< T >::end(), llvm::find_if(), llvm::First, llvm::make_error(), llvm::hlsl::MaxClipCullRows, placeAt(), llvm::popcount(), prefixPackElement(), llvm::hlsl::SignaturePackingError::SignatureOverflow, llvm::ArrayRef< T >::size(), llvm::Error::success(), and llvm::hlsl::UnallocatedRow.

Referenced by packOptimizedClipCull().

packSignatureInOrder()

template<typename IndexRange>

Expected< unsigned > packSignatureInOrder ( MutableArrayRef< SemanticSignatureElement > Elements, const IndexRange & Order, Triple::EnvironmentType ShaderStage, IOType IOTy, bool UseNative16BitTypes, MutableArrayRef< SignatureRows > Rows )

static

Definition at line 628 of file SemanticSignaturePacking.cpp.

References llvm::hlsl::Arbitrary, assert(), llvm::hlsl::ClipCull, llvm::hlsl::SemanticSignatureElement::Cols, getElementPlacement(), llvm::hlsl::getInterpretationKind(), llvm::hlsl::SemanticSignatureElement::GSStream, llvm::hlsl::SignaturePackingError::InvalidGeometryStream, llvm::make_error(), llvm::hlsl::MaxSignatureCols, llvm::hlsl::NotAllocated, packClipCullElement(), Placement, prefixPackElement(), llvm::hlsl::SemanticSignatureElement::Rows, llvm::hlsl::SemanticSignatureElement::SemanticKind, llvm::hlsl::SGV, llvm::hlsl::SignaturePackingError::SignatureOverflow, llvm::ArrayRef< T >::size(), llvm::hlsl::SemanticSignatureElement::StartCol, llvm::hlsl::SemanticSignatureElement::StartRow, llvm::hlsl::SV, llvm::hlsl::TessFactor, llvm::hlsl::UnallocatedCol, and llvm::hlsl::UnallocatedRow.

Referenced by llvm::hlsl::packSignatureOptimized(), and llvm::hlsl::packSignaturePrefixStable().

placeAt()

void placeAt ( MutableArrayRef< SignatureRow > Rows, unsigned StartRow, const ElementPlacement & Placement, uint8_t ColumnMask, ElementLocation & Location )

static

Definition at line 320 of file SemanticSignaturePacking.cpp.

References getStartColumn(), Placement, and placeRowsAt().

Referenced by packOptimizedClipCullStream(), and prefixPackElement().

placeRowsAt()

void placeRowsAt ( MutableArrayRef< SignatureRow > Rows, unsigned StartRow, const ElementPlacement & Placement, uint8_t ColumnMask )

static

Definition at line 292 of file SemanticSignaturePacking.cpp.

References assert(), Placement, llvm::hlsl::SGV, llvm::hlsl::SV, and llvm::hlsl::TessFactor.

Referenced by packClipCullElement(), placeAt(), and reserveClipCullRows().

prefixPackElement()

bool prefixPackElement ( ElementLocation & Location, MutableArrayRef< SignatureRow > Rows, const ElementPlacement & Placement )

static

Definition at line 328 of file SemanticSignaturePacking.cpp.

References canPlaceAt(), placeAt(), Placement, and llvm::ArrayRef< T >::size().

Referenced by packOptimizedClipCullStream(), and packSignatureInOrder().

reserveClipCullRows()

bool reserveClipCullRows ( MutableArrayRef< SignatureRow > Rows, unsigned StartRow, const ElementPlacement & Reservation )

static

Definition at line 350 of file SemanticSignaturePacking.cpp.

References canPlaceAt(), and placeRowsAt().

Referenced by reserveClipCullSignatureRows(), and reserveNextClipCullRows().

reserveClipCullSignatureRows()

std::optional< SignaturePackingError::ErrorKind > reserveClipCullSignatureRows ( MutableArrayRef< SignatureRow > SignatureRows, ClipCullState & State, const ElementPlacement & Placement, unsigned NewRowsUsed )

static

Definition at line 373 of file SemanticSignaturePacking.cpp.

References llvm::hlsl::SignaturePackingError::ClipCullNotAdjacent, getClipCullReservation(), llvm::hlsl::MaxClipCullRows, Placement, reserveClipCullRows(), reserveNextClipCullRows(), llvm::hlsl::SignaturePackingError::SignatureOverflow, and llvm::ArrayRef< T >::size().

Referenced by packClipCullElement().

reserveNextClipCullRows()

std::optional< unsigned > reserveNextClipCullRows ( MutableArrayRef< SignatureRow > Rows, const ElementPlacement & Reservation )

static

Definition at line 361 of file SemanticSignaturePacking.cpp.

References reserveClipCullRows(), and llvm::ArrayRef< T >::size().

Referenced by reserveClipCullSignatureRows().