mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
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// Copyright (c) 2020 Google LLC
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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 SOURCE_FUZZ_COUNTER_OVERFLOW_ID_SOURCE_H_
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#define SOURCE_FUZZ_COUNTER_OVERFLOW_ID_SOURCE_H_
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#include "source/fuzz/overflow_id_source.h"
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namespace spvtools {
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namespace fuzz {
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// A source of overflow ids that uses a counter to provide successive ids from
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// a given starting value.
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class CounterOverflowIdSource : public OverflowIdSource {
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public:
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// |first_available_id| is the starting value for the counter.
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explicit CounterOverflowIdSource(uint32_t first_available_id);
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// Always returns true.
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bool HasOverflowIds() const override;
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// Returns the current counter value and increments the counter.
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// TODO(https://github.com/KhronosGroup/SPIRV-Tools/issues/2541) We should
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// account for the case where the maximum allowed id is reached.
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uint32_t GetNextOverflowId() override;
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private:
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uint32_t next_available_id_;
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FUZZ_OVERFLOW_ID_SOURCE_COUNTER_H_
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