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c6b381495d
Replace the ShouldRun() method with Apply() which will do the transformation if it needs to be done, otherwise returns 'SkipTransform'. This reduces a bunch of duplicated scanning between the old ShouldRun() and Transform(). This change also adjusts code style to make the transforms more consistent. Change-Id: I9a6b10cb8b4ed62676b12ef30fb7764d363386c6 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/107681 Reviewed-by: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
// Copyright 2020 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_TINT_TRANSFORM_MANAGER_H_
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#define SRC_TINT_TRANSFORM_MANAGER_H_
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#include <memory>
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#include <utility>
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#include <vector>
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#include "src/tint/transform/transform.h"
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namespace tint::transform {
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/// A collection of Transforms that act as a single Transform.
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/// The inner transforms will execute in the appended order.
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/// If any inner transform fails the manager will return immediately and
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/// the error can be retrieved with the Output's diagnostics.
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class Manager final : public Castable<Manager, Transform> {
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public:
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/// Constructor
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Manager();
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~Manager() override;
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/// Add pass to the manager
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/// @param transform the transform to append
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void append(std::unique_ptr<Transform> transform) {
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transforms_.push_back(std::move(transform));
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}
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/// Add pass to the manager of type `T`, constructed with the provided
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/// arguments.
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/// @param args the arguments to forward to the `T` initializer
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template <typename T, typename... ARGS>
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void Add(ARGS&&... args) {
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transforms_.emplace_back(std::make_unique<T>(std::forward<ARGS>(args)...));
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}
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/// @copydoc Transform::Apply
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ApplyResult Apply(const Program* program,
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const DataMap& inputs,
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DataMap& outputs) const override;
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private:
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std::vector<std::unique_ptr<Transform>> transforms_;
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};
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} // namespace tint::transform
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#endif // SRC_TINT_TRANSFORM_MANAGER_H_
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