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//
// Copyright (c) 2002-2010 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_UTIL_H_
#define COMPILER_TRANSLATOR_UTIL_H_
#include <stack>
#include "angle_gl.h"
#include <GLSLANG/ShaderLang.h>
#include "compiler/translator/HashNames.h"
#include "compiler/translator/Operator.h"
#include "compiler/translator/Types.h"
// If overflow happens, clamp the value to UINT_MIN or UINT_MAX.
// Return false if overflow happens.
bool atoi_clamp(const char *str, unsigned int *value);
namespace sh
{
class TSymbolTable;
float NumericLexFloat32OutOfRangeToInfinity(const std::string &str);
// strtof_clamp is like strtof but
// 1. it forces C locale, i.e. forcing '.' as decimal point.
// 2. it sets the value to infinity if overflow happens.
// 3. str should be guaranteed to be in the valid format for a floating point number as defined
// by the grammar in the ESSL 3.00.6 spec section 4.1.4.
// Return false if overflow happens.
bool strtof_clamp(const std::string &str, float *value);
GLenum GLVariableType(const TType &type);
GLenum GLVariablePrecision(const TType &type);
bool IsVaryingIn(TQualifier qualifier);
bool IsVaryingOut(TQualifier qualifier);
bool IsVarying(TQualifier qualifier);
bool IsGeometryShaderInput(GLenum shaderType, TQualifier qualifier);
InterpolationType GetInterpolationType(TQualifier qualifier);
// Returns array brackets including size with outermost array size first, as specified in GLSL ES
// 3.10 section 4.1.9.
TString ArrayString(const TType &type);
TString GetTypeName(const TType &type, ShHashFunction64 hashFunction, NameMap *nameMap);
TType GetShaderVariableBasicType(const sh::ShaderVariable &var);
bool IsBuiltinOutputVariable(TQualifier qualifier);
bool IsBuiltinFragmentInputVariable(TQualifier qualifier);
bool CanBeInvariantESSL1(TQualifier qualifier);
bool CanBeInvariantESSL3OrGreater(TQualifier qualifier);
bool IsOutputESSL(ShShaderOutput output);
bool IsOutputGLSL(ShShaderOutput output);
bool IsOutputHLSL(ShShaderOutput output);
bool IsOutputVulkan(ShShaderOutput output);
} // namespace sh
#endif // COMPILER_TRANSLATOR_UTIL_H_
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