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/*
* Copyright (C) 2018 The Android Open Source Project
*
* 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.
*/
#pragma once
#include <array>
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
#include <vector>
#include <ui/GraphicTypes.h>
namespace android {
struct DisplayId {
using Type = PhysicalDisplayId;
Type value;
uint16_t manufacturerId() const;
static DisplayId fromEdid(uint8_t port, uint16_t manufacturerId, uint32_t displayNameHash);
};
inline bool operator==(DisplayId lhs, DisplayId rhs) {
return lhs.value == rhs.value;
}
inline bool operator!=(DisplayId lhs, DisplayId rhs) {
return !(lhs == rhs);
}
inline std::string to_string(DisplayId displayId) {
return std::to_string(displayId.value);
}
using DisplayIdentificationData = std::vector<uint8_t>;
struct DisplayIdentificationInfo {
DisplayId id;
std::string name;
};
// NUL-terminated plug and play ID.
using PnpId = std::array<char, 4>;
struct Edid {
uint16_t manufacturerId;
PnpId pnpId;
std::string_view displayName;
};
bool isEdid(const DisplayIdentificationData&);
std::optional<Edid> parseEdid(const DisplayIdentificationData&);
std::optional<PnpId> getPnpId(uint16_t manufacturerId);
std::optional<PnpId> getPnpId(DisplayId);
std::optional<DisplayIdentificationInfo> parseDisplayIdentificationData(
uint8_t port, const DisplayIdentificationData&);
DisplayId getFallbackDisplayId(uint8_t port);
DisplayId getVirtualDisplayId(uint32_t id);
} // namespace android
namespace std {
template <>
struct hash<android::DisplayId> {
size_t operator()(android::DisplayId displayId) const {
return hash<android::DisplayId::Type>()(displayId.value);
}
};
} // namespace std
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