GrShaderVar Class Reference

#include <GrShaderVar.h>

Public Types
enum class	TypeModifier {   None , Out , In , InOut ,   Uniform }
enum	{ kNonArray = 0 }

Public Member Functions
	GrShaderVar ()
	GrShaderVar (SkString name, SkSLType type, int arrayCount=kNonArray)
	GrShaderVar (const char *name, SkSLType type, int arrayCount=kNonArray)
	GrShaderVar (SkString name, SkSLType type, TypeModifier typeModifier)
	GrShaderVar (const char *name, SkSLType type, TypeModifier typeModifier)
	GrShaderVar (SkString name, SkSLType type, TypeModifier typeModifier, int arrayCount)
	GrShaderVar (SkString name, SkSLType type, TypeModifier typeModifier, int arrayCount, SkString layoutQualifier, SkString extraModifier)
	GrShaderVar (const GrShaderVar &)=default
GrShaderVar &	operator= (const GrShaderVar &)=default
	GrShaderVar (GrShaderVar &&)=default
GrShaderVar &	operator= (GrShaderVar &&)=default
void	set (SkSLType type, const char *name)
bool	isArray () const
int	getArrayCount () const
const SkString &	getName () const
const char *	c_str () const
SkSLType	getType () const
TypeModifier	getTypeModifier () const
void	setTypeModifier (TypeModifier type)
void	addLayoutQualifier (const char *layoutQualifier)
void	addModifier (const char *modifier)
void	appendDecl (const GrShaderCaps *, SkString *out) const

Detailed Description

Represents a variable in a shader

Definition at line 20 of file GrShaderVar.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Values for array count that have special meaning. We allow 1-sized arrays.

Enumerator
kNonArray

Definition at line 31 of file GrShaderVar.h.

         {
        kNonArray     =  0, // not an array
    };

TypeModifier

enum class GrShaderVar::TypeModifier

strong

Enumerator
None
Out
In
InOut
Uniform

Definition at line 22 of file GrShaderVar.h.

                            {
        None,
        Out,
        In,
        InOut,
        Uniform,
    };

Constructor & Destructor Documentation

GrShaderVar() [1/9]

GrShaderVar::GrShaderVar ( )

inline

Defaults to a void with no type modifier or layout qualifier.

Definition at line 36 of file GrShaderVar.h.

            : fType(SkSLType::kVoid)
            , fTypeModifier(TypeModifier::None)
            , fCount(kNonArray) {}

GrShaderVar() [2/9]

GrShaderVar::GrShaderVar ( SkString  name, SkSLType  type, int  arrayCount = kNonArray  )

inline

Definition at line 41 of file GrShaderVar.h.

            : fType(type)
            , fTypeModifier(TypeModifier::None)
            , fCount(arrayCount)
            , fName(std::move(name)) {}

GrShaderVar() [3/9]

GrShaderVar::GrShaderVar ( const char *  name, SkSLType  type, int  arrayCount = kNonArray  )

inline

Definition at line 46 of file GrShaderVar.h.

        : GrShaderVar(SkString(name), type, arrayCount) {}

GrShaderVar() [4/9]

GrShaderVar::GrShaderVar ( SkString  name, SkSLType  type, TypeModifier  typeModifier  )

inline

Definition at line 49 of file GrShaderVar.h.

            : fType(type)
            , fTypeModifier(typeModifier)
            , fCount(kNonArray)
            , fName(std::move(name)) {}

GrShaderVar() [5/9]

GrShaderVar::GrShaderVar ( const char *  name, SkSLType  type, TypeModifier  typeModifier  )

inline

Definition at line 54 of file GrShaderVar.h.

        : GrShaderVar(SkString(name), type, typeModifier) {}

GrShaderVar() [6/9]

GrShaderVar::GrShaderVar ( SkString  name, SkSLType  type, TypeModifier  typeModifier, int  arrayCount  )

inline

Definition at line 57 of file GrShaderVar.h.

            : fType(type)
            , fTypeModifier(typeModifier)
            , fCount(arrayCount)
            , fName(std::move(name)) {}

GrShaderVar() [7/9]

GrShaderVar::GrShaderVar ( SkString  name, SkSLType  type, TypeModifier  typeModifier, int  arrayCount, SkString  layoutQualifier, SkString  extraModifier  )

inline

Definition at line 63 of file GrShaderVar.h.

            : fType(type)
            , fTypeModifier(typeModifier)
            , fCount(arrayCount)
            , fName(std::move(name))
            , fLayoutQualifier(std::move(layoutQualifier))
            , fExtraModifiers(std::move(extraModifier)) {}

GrShaderVar() [8/9]

GrShaderVar::GrShaderVar ( const GrShaderVar &  )

default

GrShaderVar() [9/9]

GrShaderVar::GrShaderVar ( GrShaderVar &&  )

default

Member Function Documentation

addLayoutQualifier()

void GrShaderVar::addLayoutQualifier ( const char *  layoutQualifier )

inline

Appends to the layout qualifier.

Definition at line 103 of file GrShaderVar.h.

                                                         {
        if (!layoutQualifier || !strlen(layoutQualifier)) {
            return;
        }
        if (fLayoutQualifier.isEmpty()) {
            fLayoutQualifier = layoutQualifier;
        } else {
            fLayoutQualifier.appendf(", %s", layoutQualifier);
        }
    }

addModifier()

void GrShaderVar::addModifier ( const char *  modifier )

inline

Appends to the modifiers.

Definition at line 115 of file GrShaderVar.h.

                                           {
        if (!modifier || !strlen(modifier)) {
            return;
        }
        if (fExtraModifiers.isEmpty()) {
            fExtraModifiers = modifier;
        } else {
            fExtraModifiers.appendf(" %s", modifier);
        }
    }

appendDecl()

void GrShaderVar::appendDecl	(	const GrShaderCaps *	shaderCaps,
		SkString *	out
	)		const

Write a declaration of this variable to out.

Definition at line 23 of file GrShaderVar.cpp.

                                                                                {
    if (!fLayoutQualifier.isEmpty()) {
        out->appendf("layout(%s) ", fLayoutQualifier.c_str());
    }
    if (!fExtraModifiers.isEmpty()) {
        out->appendf("%s ", fExtraModifiers.c_str());
    }
    if (this->getTypeModifier() != TypeModifier::None) {
        out->appendf("%s ", type_modifier_string(this->getTypeModifier()));
    }
    SkSLType effectiveType = this->getType();
    if (this->isArray()) {
        SkASSERT(this->getArrayCount() > 0);
        out->appendf("%s %s[%d]",
                     SkSLTypeString(effectiveType),
                     this->getName().c_str(),
                     this->getArrayCount());
    } else {
        out->appendf("%s %s", SkSLTypeString(effectiveType), this->getName().c_str());
    }
}

c_str()

const char * GrShaderVar::c_str ( ) const

inline

Shortcut for this->getName().c_str();

Definition at line 94 of file GrShaderVar.h.

{ return this->getName().c_str(); }

getArrayCount()

int GrShaderVar::getArrayCount ( ) const

inline

Get the array length.

Definition at line 88 of file GrShaderVar.h.

{ return fCount; }

getName()

const SkString & GrShaderVar::getName ( ) const

inline

Get the name.

Definition at line 91 of file GrShaderVar.h.

{ return fName; }

getType()

SkSLType GrShaderVar::getType ( ) const

inline

Get the type.

Definition at line 97 of file GrShaderVar.h.

{ return fType; }

getTypeModifier()

TypeModifier GrShaderVar::getTypeModifier ( ) const

inline

Definition at line 99 of file GrShaderVar.h.

{ return fTypeModifier; }

isArray()

bool GrShaderVar::isArray ( ) const

inline

Is the var an array.

Definition at line 85 of file GrShaderVar.h.

{ return kNonArray != fCount; }

operator=() [1/2]

GrShaderVar & GrShaderVar::operator= ( const GrShaderVar &  )

default

operator=() [2/2]

GrShaderVar & GrShaderVar::operator= ( GrShaderVar &&  )

default

set()

void GrShaderVar::set ( SkSLType  type, const char *  name  )

inline

Sets as a non-array.

Definition at line 78 of file GrShaderVar.h.

                                              {
        SkASSERT(SkSLType::kVoid != type);
        fType = type;
        fName = name;
    }

setTypeModifier()

void GrShaderVar::setTypeModifier ( TypeModifier  type )

inline

Definition at line 100 of file GrShaderVar.h.

{ fTypeModifier = type; }

---

The documentation for this class was generated from the following files:

• third_party/skia/src/gpu/ganesh/GrShaderVar.h
• third_party/skia/src/gpu/ganesh/GrShaderVar.cpp