quirk_apply.hpp

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#pragma once

 
#include <pulp/format/host_quirks.hpp>
#include <pulp/state/parameter.hpp>
#include <pulp/state/store.hpp>
 
namespace pulp::format {

inline constexpr state::ParamID kSynthesizedBypassParamId = 0x70427970;  // 'pByp'

inline bool maybe_synthesize_bypass(state::StateStore& store, const HostQuirks& q) {
    if (!q.synthesize_bypass_parameter) return false;
    for (const auto& p : store.all_params()) {
        // Suppress synthesis only when the plugin already declares a
        // DETECTABLE bypass — the same contract the adapters use to find one
        // (state::is_bypass_param): a declared `Bypass` designation, or the
        // legacy boolean-"Bypass" name/range heuristic. A non-boolean param
        // merely *named* "Bypass" is not a bypass surface, so we still
        // synthesize one rather than leave the host without a bypass control.
        if (state::is_bypass_param(p)) return false;
        if (p.id == kSynthesizedBypassParamId) return false;  // ID-collision guard
    }
    state::ParamInfo info;
    info.id = kSynthesizedBypassParamId;
    info.name = "Bypass";
    info.range = {0.0f, 1.0f, 0.0f, 1.0f};  // boolean: step 1 → two states
    store.add_parameter(info);
    return true;
}
 
}  // namespace pulp::format