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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>
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
// Copyright 2022 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_SUBSTITUTE_OVERRIDE_H_
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#define SRC_TINT_TRANSFORM_SUBSTITUTE_OVERRIDE_H_
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#include <string>
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#include <unordered_map>
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#include "tint/override_id.h"
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#include "src/tint/reflection.h"
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#include "src/tint/transform/transform.h"
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namespace tint::transform {
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/// A transform that replaces overrides with the constant values provided.
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///
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/// # Example
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/// ```
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/// override width: f32;
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/// @id(1) override height: i32 = 4;
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/// override depth = 1i;
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/// ```
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///
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/// When transformed with `width` -> 1, `1` -> 22, `depth` -> 42
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///
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/// ```
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/// const width: f32 = 1f;
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/// const height: i32 = 22i;
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/// const depth = 42i;
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/// ```
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///
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/// @see crbug.com/tint/1582
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class SubstituteOverride final : public Castable<SubstituteOverride, Transform> {
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public:
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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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/// The map of override identifier to the override value.
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/// The value is always a double coming into the transform and will be
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/// converted to the correct type through and initializer.
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std::unordered_map<OverrideId, double> map;
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/// Reflect the fields of this class so that it can be used by tint::ForeachField()
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TINT_REFLECT(map);
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};
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/// Constructor
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SubstituteOverride();
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/// Destructor
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~SubstituteOverride() 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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};
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} // namespace tint::transform
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#endif // SRC_TINT_TRANSFORM_SUBSTITUTE_OVERRIDE_H_
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