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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>
79 lines
2.3 KiB
C++
79 lines
2.3 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_ROBUSTNESS_H_
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#define SRC_TINT_TRANSFORM_ROBUSTNESS_H_
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#include <unordered_set>
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#include "src/tint/transform/transform.h"
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// Forward declarations
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namespace tint::ast {
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class IndexAccessorExpression;
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class CallExpression;
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} // namespace tint::ast
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namespace tint::transform {
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/// This transform is responsible for clamping all array accesses to be within
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/// the bounds of the array. Any access before the start of the array will clamp
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/// to zero and any access past the end of the array will clamp to
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/// (array length - 1).
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class Robustness final : public Castable<Robustness, Transform> {
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public:
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/// Address space to be skipped in the transform
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enum class AddressSpace {
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kUniform,
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kStorage,
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};
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/// Configuration options for the transform
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struct Config final : public Castable<Config, Data> {
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/// Constructor
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Config();
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/// Copy constructor
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Config(const Config&);
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/// Destructor
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~Config() override;
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/// Assignment operator
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/// @returns this Config
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Config& operator=(const Config&);
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/// Address spaces to omit from apply the transform to.
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/// This allows for optimizing on hardware that provide safe accesses.
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std::unordered_set<AddressSpace> omitted_address_spaces;
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};
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/// Constructor
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Robustness();
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/// Destructor
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~Robustness() override;
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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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struct State;
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};
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} // namespace tint::transform
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#endif // SRC_TINT_TRANSFORM_ROBUSTNESS_H_
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