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3cbb136b8a
Spec change: https://github.com/gpuweb/gpuweb/pull/2427 Reverses: tint:867 This reverts and fixes commits: b6fdcc54df6e012578e69550788e2b4b2b611c32 10442eff7db4271d53eed553795e655068488276 Added a bunch of end-to-end tests. Fixed: tint:1352 Change-Id: I34968243bbec1cab838c8ba50a6f027146bbfd06 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/75401 Reviewed-by: David Neto <dneto@google.com> Reviewed-by: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
// Copyright 2021 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_VAR_FOR_DYNAMIC_INDEX_H_
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#define SRC_TRANSFORM_VAR_FOR_DYNAMIC_INDEX_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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/// A transform that extracts array and matrix values that are dynamically
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/// indexed to a temporary `var` local before performing the index. This
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/// transform is used by the SPIR-V writer as there is no SPIR-V instruction
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/// that can dynamically index a non-pointer composite.
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/// Requires the ForLoopToLoop transform to be run first.
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class VarForDynamicIndex : public Transform {
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public:
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/// Constructor
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VarForDynamicIndex();
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/// Destructor
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~VarForDynamicIndex() override;
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protected:
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/// Runs the transform using the CloneContext built for transforming a
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/// program. Run() is responsible for calling Clone() on the CloneContext.
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/// @param ctx the CloneContext primed with the input program and
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/// ProgramBuilder
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/// @param inputs optional extra transform-specific input data
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/// @param outputs optional extra transform-specific output data
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void Run(CloneContext& ctx, const DataMap& inputs, DataMap& outputs) override;
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};
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} // namespace transform
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} // namespace tint
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#endif // SRC_TRANSFORM_VAR_FOR_DYNAMIC_INDEX_H_
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