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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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#ifndef SRC_TINT_LANG_MSL_WRITER_OUTPUT_H_
#define SRC_TINT_LANG_MSL_WRITER_OUTPUT_H_
#include <cstdint>
#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&);
/// Copy assignment
/// @returns this
Output& operator=(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_