blob: f27933ccae246816bb08e0fa4f224609a496ed80 [file] [log] [blame]
// 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.
#include <stack>
#include "angle_gl.h"
#include <GLSLANG/ShaderLang.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);
InterpolationType GetInterpolationType(TQualifier qualifier);
TString ArrayString(const TType &type);
TType GetShaderVariableBasicType(const sh::ShaderVariable &var);
bool IsBuiltinOutputVariable(TQualifier qualifier);
bool IsBuiltinFragmentInputVariable(TQualifier qualifier);
bool CanBeInvariantESSL1(TQualifier qualifier);
bool CanBeInvariantESSL3OrGreater(TQualifier qualifier);
} // namespace sh