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//
// Copyright 2002 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
#ifndef COMPILER_TRANSLATOR_CONSTANTUNION_H_
#define COMPILER_TRANSLATOR_CONSTANTUNION_H_
#include "compiler/translator/BaseTypes.h"
#include "compiler/translator/Common.h"
namespace sh
{
class TDiagnostics;
class TConstantUnion
{
public:
POOL_ALLOCATOR_NEW_DELETE
TConstantUnion();
TConstantUnion(int i);
TConstantUnion(unsigned int u);
TConstantUnion(float f);
TConstantUnion(bool b);
bool cast(TBasicType newType, const TConstantUnion &constant);
void setIConst(int i)
{
iConst = i;
type = EbtInt;
}
void setUConst(unsigned int u)
{
uConst = u;
type = EbtUInt;
}
void setFConst(float f)
{
fConst = f;
type = EbtFloat;
}
void setBConst(bool b)
{
bConst = b;
type = EbtBool;
}
void setYuvCscStandardEXTConst(TYuvCscStandardEXT s)
{
yuvCscStandardEXTConst = s;
type = EbtYuvCscStandardEXT;
}
int getIConst() const;
unsigned int getUConst() const;
float getFConst() const;
bool getBConst() const;
bool isZero() const;
TYuvCscStandardEXT getYuvCscStandardEXTConst() const;
bool operator==(const int i) const;
bool operator==(const unsigned int u) const;
bool operator==(const float f) const;
bool operator==(const bool b) const;
bool operator==(const TYuvCscStandardEXT s) const;
bool operator==(const TConstantUnion &constant) const;
bool operator!=(const int i) const;
bool operator!=(const unsigned int u) const;
bool operator!=(const float f) const;
bool operator!=(const bool b) const;
bool operator!=(const TYuvCscStandardEXT s) const;
bool operator!=(const TConstantUnion &constant) const;
bool operator>(const TConstantUnion &constant) const;
bool operator<(const TConstantUnion &constant) const;
static TConstantUnion add(const TConstantUnion &lhs,
const TConstantUnion &rhs,
TDiagnostics *diag,
const TSourceLoc &line);
static TConstantUnion sub(const TConstantUnion &lhs,
const TConstantUnion &rhs,
TDiagnostics *diag,
const TSourceLoc &line);
static TConstantUnion mul(const TConstantUnion &lhs,
const TConstantUnion &rhs,
TDiagnostics *diag,
const TSourceLoc &line);
TConstantUnion operator%(const TConstantUnion &constant) const;
static TConstantUnion rshift(const TConstantUnion &lhs,
const TConstantUnion &rhs,
TDiagnostics *diag,
const TSourceLoc &line);
static TConstantUnion lshift(const TConstantUnion &lhs,
const TConstantUnion &rhs,
TDiagnostics *diag,
const TSourceLoc &line);
TConstantUnion operator&(const TConstantUnion &constant) const;
TConstantUnion operator|(const TConstantUnion &constant) const;
TConstantUnion operator^(const TConstantUnion &constant) const;
TConstantUnion operator&&(const TConstantUnion &constant) const;
TConstantUnion operator||(const TConstantUnion &constant) const;
TBasicType getType() const { return type; }
private:
union
{
int iConst; // used for ivec, scalar ints
unsigned int uConst; // used for uvec, scalar uints
bool bConst; // used for bvec, scalar bools
float fConst; // used for vec, mat, scalar floats
TYuvCscStandardEXT yuvCscStandardEXTConst;
};
TBasicType type;
};
} // namespace sh
#endif // COMPILER_TRANSLATOR_CONSTANTUNION_H_
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