53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
|
// Copyright 2021 The Tint Authors.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
#ifndef SRC_PROGRAM_ID_H_
|
||
|
|
#define SRC_PROGRAM_ID_H_
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
namespace tint {
|
||
|
|
|
||
|
|
/// A ProgramID is a unique identifier of a Program.
|
||
|
|
/// ProgramID can be used to ensure that objects referenced by the Program are
|
||
|
|
/// owned exclusively by that Program and have accidentally not leaked from
|
||
|
|
/// another Program.
|
||
|
|
class ProgramID {
|
||
|
|
public:
|
||
|
|
/// Constructor
|
||
|
|
ProgramID();
|
||
|
|
|
||
|
|
/// @returns a new ProgramID
|
||
|
|
static ProgramID New();
|
||
|
|
|
||
|
|
/// Equality operator
|
||
|
|
/// @param rhs the other ProgramID
|
||
|
|
/// @returns true if the ProgramIDs are equal
|
||
|
|
bool operator==(const ProgramID& rhs) const { return val == rhs.val; }
|
||
|
|
|
||
|
|
/// Inequality operator
|
||
|
|
/// @param rhs the other ProgramID
|
||
|
|
/// @returns true if the ProgramIDs are not equal
|
||
|
|
bool operator!=(const ProgramID& rhs) const { return val != rhs.val; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
explicit ProgramID(uint32_t);
|
||
|
|
|
||
|
|
uint32_t val = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace tint
|
||
|
|
|
||
|
|
#endif // SRC_PROGRAM_ID_H_
|