src/tint/lang/msl/writer/common/option_helpers.h

/// Copyright 2023 The Dawn & Tint Authors
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#ifndef SRC_TINT_LANG_MSL_WRITER_COMMON_OPTION_HELPERS_H_
#define SRC_TINT_LANG_MSL_WRITER_COMMON_OPTION_HELPERS_H_

#include <unordered_map>

#include "src/tint/api/common/binding_point.h"
#include "src/tint/api/options/external_texture.h"
#include "src/tint/lang/msl/writer/common/options.h"
#include "src/tint/utils/diagnostic/diagnostic.h"
#include "src/tint/utils/result/result.h"

namespace tint::msl::writer {

/// The remapper data
using RemapperData = std::unordered_map<BindingPoint, BindingPoint>;

/// @param options the options
/// @returns success or failure
Result<SuccessType> ValidateBindingOptions(const Options& options);

/// Populates binding-related option from the writer options
/// @param options the writer options
/// @param remapper_data where to put the remapper data
/// @param external_texture where to store the external texture options
/// @param array_length_from_uniform_options where to store the ArrayLengthFromUniform options
/// Note, these are populated together because there are dependencies between the two types of data.
void PopulateBindingRelatedOptions(
    const Options& options,
    RemapperData& remapper_data,
    ExternalTextureOptions& external_texture,
    ArrayLengthFromUniformOptions& array_length_from_uniform_options);

}  // namespace tint::msl::writer

#endif  // SRC_TINT_LANG_MSL_WRITER_COMMON_OPTION_HELPERS_H_