blob: b3d323b4f3e41ad0ec57e1f601e8eeb9308845cb [file] [log] [blame]
// Copyright 2021 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_TRANSFORM_LOOP_TO_FOR_LOOP_H_
#define SRC_TRANSFORM_LOOP_TO_FOR_LOOP_H_
#include "src/transform/transform.h"
namespace tint {
namespace transform {
/// LoopToForLoop is a Transform that attempts to convert WGSL `loop {}`
/// statements into a for-loop statement.
class LoopToForLoop : public Castable<LoopToForLoop, Transform> {
public:
/// Constructor
LoopToForLoop();
/// Destructor
~LoopToForLoop() override;
/// @param program the program to inspect
/// @param data optional extra transform-specific input data
/// @returns true if this transform should be run for the given program
bool ShouldRun(const Program* program,
const DataMap& data = {}) const override;
protected:
/// Runs the transform using the CloneContext built for transforming a
/// program. Run() is responsible for calling Clone() on the CloneContext.
/// @param ctx the CloneContext primed with the input program and
/// ProgramBuilder
/// @param inputs optional extra transform-specific input data
/// @param outputs optional extra transform-specific output data
void Run(CloneContext& ctx,
const DataMap& inputs,
DataMap& outputs) const override;
};
} // namespace transform
} // namespace tint
#endif // SRC_TRANSFORM_LOOP_TO_FOR_LOOP_H_