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e6995de232
This will be used to detect accidental leaks of program objects between programs. Bug: tint:709 Change-Id: I20f784a2c673d19a04a880b3ec91dfe2eb743bdb Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/47622 Commit-Queue: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com> Reviewed-by: James Price <jrprice@google.com>
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_PROGRAM_ID_H_
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#define SRC_PROGRAM_ID_H_
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#include <stdint.h>
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namespace tint {
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/// A ProgramID is a unique identifier of a Program.
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/// ProgramID can be used to ensure that objects referenced by the Program are
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/// owned exclusively by that Program and have accidentally not leaked from
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/// another Program.
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class ProgramID {
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public:
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/// Constructor
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ProgramID();
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/// @returns a new ProgramID
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static ProgramID New();
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/// Equality operator
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/// @param rhs the other ProgramID
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/// @returns true if the ProgramIDs are equal
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bool operator==(const ProgramID& rhs) const { return val == rhs.val; }
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/// Inequality operator
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/// @param rhs the other ProgramID
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/// @returns true if the ProgramIDs are not equal
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bool operator!=(const ProgramID& rhs) const { return val != rhs.val; }
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private:
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explicit ProgramID(uint32_t);
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uint32_t val = 0;
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};
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} // namespace tint
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#endif // SRC_PROGRAM_ID_H_
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