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// Copyright 2023 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_TINT_LANG_MSL_WRITER_OUTPUT_H_
#define SRC_TINT_LANG_MSL_WRITER_OUTPUT_H_
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
namespace tint::msl::writer {
/// The output produced when generating MSL.
struct Output {
/// Constructor
Output();
/// Destructor
~Output();
/// Copy constructor
Output(const Output&);
/// The generated MSL.
std::string msl = "";
/// True if the shader needs a UBO of buffer sizes.
bool needs_storage_buffer_sizes = false;
/// True if the generated shader uses the invariant attribute.
bool has_invariant_attribute = false;
/// A map from entry point name to a list of dynamic workgroup allocations.
/// Each entry in the vector is the size of the workgroup allocation that
/// should be created for that index.
std::unordered_map<std::string, std::vector<uint32_t>> workgroup_allocations;
/// Indices into the array_length_from_uniform binding that are statically
/// used.
std::unordered_set<uint32_t> used_array_length_from_uniform_indices;
};
} // namespace tint::msl::writer
#endif // SRC_TINT_LANG_MSL_WRITER_OUTPUT_H_