blob: 870acb6f90343d2db6ce18420ad505045c469496 [file] [log] [blame]
//
// Copyright (c) 2002-2014 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 <assert.h>
#include "compiler/translator/Common.h"
#include "compiler/translator/BaseTypes.h"
namespace sh
{
class TDiagnostics;
class TConstantUnion
{
public:
POOL_ALLOCATOR_NEW_DELETE();
TConstantUnion();
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 { return iConst; }
unsigned int getUConst() const { return uConst; }
float getFConst() const { return fConst; }
bool getBConst() const { return bConst; }
TYuvCscStandardEXT getYuvCscStandardEXTConst() const { return yuvCscStandardEXTConst; }
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_