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af8a8ac3d6
Like 42264, this is an attempt to keep transforms immutable, and to keep mutable I/O information in Data objects. Bug: tint:389 Change-Id: Ie417872d3e97f3db3904245a30aa74fdcce76610 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/46260 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: James Price <jrprice@google.com>
50 lines
1.7 KiB
C++
50 lines
1.7 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_TRANSFORM_BOUND_ARRAY_ACCESSORS_H_
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#define SRC_TRANSFORM_BOUND_ARRAY_ACCESSORS_H_
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#include "src/ast/array_accessor_expression.h"
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#include "src/transform/transform.h"
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namespace tint {
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namespace 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 BoundArrayAccessors : public Transform {
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public:
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/// Constructor
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BoundArrayAccessors();
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/// Destructor
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~BoundArrayAccessors() override;
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/// Runs the transform on `program`, returning the transformation result.
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/// @param program the source program to transform
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/// @param data optional extra transform-specific input data
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/// @returns the transformation result
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Output Run(const Program* program, const DataMap& data = {}) override;
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private:
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ast::ArrayAccessorExpression* Transform(ast::ArrayAccessorExpression* expr,
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CloneContext* ctx);
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};
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} // namespace transform
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} // namespace tint
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#endif // SRC_TRANSFORM_BOUND_ARRAY_ACCESSORS_H_
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