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https://github.com/KhronosGroup/SPIRV-Tools
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Some transformations (e.g. TransformationAddFunction) rely on running the validator to decide whether the transformation is applicable. A recent change allowed spirv-fuzz to take validator options, to cater for the case where a module should be considered valid under particular conditions. However, validation during the checking of transformations had no access to these validator options. This change introduced TransformationContext, which currently consists of a fact manager and a set of validator options, but could in the future have other fields corresponding to other objects that it is useful to have access to when applying transformations. Now, instead of checking and applying transformations in the context of a FactManager, a TransformationContext is used. This gives access to the fact manager as before, and also access to the validator options when they are needed.
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// 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_TRANSFORMATION_CONTEXT_H_
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#define SOURCE_FUZZ_TRANSFORMATION_CONTEXT_H_
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#include "source/fuzz/fact_manager.h"
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#include "spirv-tools/libspirv.hpp"
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namespace spvtools {
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namespace fuzz {
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// Encapsulates all information that is required to inform how to apply a
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// transformation to a module.
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class TransformationContext {
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public:
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// Constructs a transformation context with a given fact manager and validator
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// options.
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TransformationContext(FactManager* fact_manager,
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spv_validator_options validator_options);
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~TransformationContext();
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FactManager* GetFactManager() { return fact_manager_; }
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const FactManager* GetFactManager() const { return fact_manager_; }
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spv_validator_options GetValidatorOptions() const {
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return validator_options_;
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}
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private:
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// Manages facts that inform whether transformations can be applied, and that
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// are produced by applying transformations.
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FactManager* fact_manager_;
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// Options to control validation when deciding whether transformations can be
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// applied.
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spv_validator_options validator_options_;
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FUZZ_TRANSFORMATION_CONTEXT_H_
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