mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2025-01-15 02:40:04 +00:00
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// Copyright (c) 2018 Google LLC
|
|
//
|
|
// 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 SOURCE_REDUCE_REDUCTION_OPPORTUNITY_H_
|
|
#define SOURCE_REDUCE_REDUCTION_OPPORTUNITY_H_
|
|
|
|
#include "spirv-tools/libspirv.hpp"
|
|
|
|
namespace spvtools {
|
|
namespace reduce {
|
|
|
|
// Abstract class capturing an opportunity to apply a reducing transformation.
|
|
class ReductionOpportunity {
|
|
public:
|
|
ReductionOpportunity() = default;
|
|
virtual ~ReductionOpportunity() = default;
|
|
|
|
// Determines whether the opportunity can be applied; it may have been viable
|
|
// when discovered but later disabled by the application of some other
|
|
// reduction opportunity.
|
|
virtual bool PreconditionHolds() = 0;
|
|
|
|
// A no-op if PreconditoinHolds() returns false; otherwise applies the
|
|
// opportunity.
|
|
void TryToApply();
|
|
|
|
protected:
|
|
// Apply the reduction opportunity.
|
|
virtual void Apply() = 0;
|
|
};
|
|
|
|
} // namespace reduce
|
|
} // namespace spvtools
|
|
|
|
#endif // SOURCE_REDUCE_REDUCTION_OPPORTUNITY_H_
|