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//
// Copyright 2017 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.
//
// ParamType:
// Helper type for built-in function emulator tables. Defines types for parameters.
#ifndef COMPILER_TRANSLATOR_PARAMTYPE_H_
#define COMPILER_TRANSLATOR_PARAMTYPE_H_
#include "common/angleutils.h"
#include "compiler/translator/BaseTypes.h"
namespace sh
{
enum class ParamType : uint8_t
{
Void,
Bool1,
Bool2,
Bool3,
Bool4,
Float1,
Float2,
Float3,
Float4,
Int1,
Int2,
Int3,
Int4,
Mat2,
Mat3,
Mat4,
Uint1,
Uint2,
Uint3,
Uint4,
Last,
};
struct ParamTypeInfo
{
ParamType self;
TBasicType basicType;
int primarySize;
int secondarySize;
};
constexpr ParamTypeInfo g_ParamTypeInfo[] = {
{ParamType::Void, EbtVoid, 1, 1}, {ParamType::Bool1, EbtBool, 1, 1},
{ParamType::Bool2, EbtBool, 2, 1}, {ParamType::Bool3, EbtBool, 3, 1},
{ParamType::Bool4, EbtBool, 4, 1}, {ParamType::Float1, EbtFloat, 1, 1},
{ParamType::Float2, EbtFloat, 2, 1}, {ParamType::Float3, EbtFloat, 3, 1},
{ParamType::Float4, EbtFloat, 4, 1}, {ParamType::Int1, EbtInt, 1, 1},
{ParamType::Int2, EbtInt, 2, 1}, {ParamType::Int3, EbtInt, 3, 1},
{ParamType::Int4, EbtInt, 4, 1}, {ParamType::Mat2, EbtFloat, 2, 2},
{ParamType::Mat3, EbtFloat, 3, 3}, {ParamType::Mat4, EbtFloat, 4, 4},
{ParamType::Uint1, EbtUInt, 1, 1}, {ParamType::Uint2, EbtUInt, 2, 1},
{ParamType::Uint3, EbtUInt, 3, 1}, {ParamType::Uint4, EbtUInt, 4, 1},
};
constexpr size_t ParamTypeIndex(ParamType paramType)
{
return static_cast<size_t>(paramType);
}
constexpr size_t NumParamTypes()
{
return ParamTypeIndex(ParamType::Last);
}
static_assert(ArraySize(g_ParamTypeInfo) == NumParamTypes(), "Invalid array size");
constexpr TBasicType GetBasicType(ParamType paramType)
{
return g_ParamTypeInfo[ParamTypeIndex(paramType)].basicType;
}
constexpr int GetPrimarySize(ParamType paramType)
{
return g_ParamTypeInfo[ParamTypeIndex(paramType)].primarySize;
}
constexpr int GetSecondarySize(ParamType paramType)
{
return g_ParamTypeInfo[ParamTypeIndex(paramType)].secondarySize;
}
constexpr bool SameParamType(ParamType paramType,
TBasicType basicType,
int primarySize,
int secondarySize)
{
return GetBasicType(paramType) == basicType && primarySize == GetPrimarySize(paramType) &&
secondarySize == GetSecondarySize(paramType);
}
} // namespace sh
#endif // COMPILER_TRANSLATOR_PARAMTYPE_H_
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