851ea4dc26
Retrieve color and HDR information from the EDID. Change-Id: I1aac27644d5c4fd5d5f295ca32b69ed69e94e0c6 Signed-off-by: Sasha McIntosh <sashamcintosh@google.com>
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/*
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* Copyright (C) 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "drmhwc"
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#if HAS_LIBDISPLAY_INFO
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#include "utils/EdidWrapper.h"
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#include "utils/log.h"
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namespace android {
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auto LibdisplayEdidWrapper::Create(DrmModePropertyBlobUnique blob)
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-> std::unique_ptr<LibdisplayEdidWrapper> {
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if (!blob)
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return nullptr;
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auto *info = di_info_parse_edid(blob->data, blob->length);
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if (!info) {
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ALOGW("Failed to parse edid blob.");
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return nullptr;
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}
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return std::unique_ptr<LibdisplayEdidWrapper>(
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new LibdisplayEdidWrapper(std::move(info)));
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}
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void LibdisplayEdidWrapper::GetSupportedHdrTypes(std::vector<ui::Hdr> &types) {
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types.clear();
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const auto *hdr_static_meta = di_info_get_hdr_static_metadata(info_);
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const auto *colorimetries = di_info_get_supported_signal_colorimetry(info_);
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if (colorimetries->bt2020_cycc || colorimetries->bt2020_ycc ||
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colorimetries->bt2020_rgb) {
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if (hdr_static_meta->pq)
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types.emplace_back(ui::Hdr::HDR10);
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if (hdr_static_meta->hlg)
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types.emplace_back(ui::Hdr::HLG);
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}
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}
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void LibdisplayEdidWrapper::GetHdrCapabilities(
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std::vector<ui::Hdr> &types, const float *max_luminance,
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const float *max_average_luminance, const float *min_luminance) {
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GetSupportedHdrTypes(types);
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const auto *hdr_static_meta = di_info_get_hdr_static_metadata(info_);
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max_luminance = &hdr_static_meta->desired_content_max_luminance;
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max_average_luminance = &hdr_static_meta
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->desired_content_max_frame_avg_luminance;
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min_luminance = &hdr_static_meta->desired_content_min_luminance;
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}
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void LibdisplayEdidWrapper::GetColorModes(std::vector<Colormode> &color_modes) {
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color_modes.clear();
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color_modes.emplace_back(Colormode::kNative);
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const auto *hdr_static_meta = di_info_get_hdr_static_metadata(info_);
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const auto *colorimetries = di_info_get_supported_signal_colorimetry(info_);
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/* Rec. ITU-R BT.2020 constant luminance YCbCr */
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/* Rec. ITU-R BT.2020 non-constant luminance YCbCr */
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if (colorimetries->bt2020_cycc || colorimetries->bt2020_ycc)
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color_modes.emplace_back(Colormode::kBt2020);
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/* Rec. ITU-R BT.2020 RGB */
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if (colorimetries->bt2020_rgb)
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color_modes.emplace_back(Colormode::kDisplayBt2020);
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/* SMPTE ST 2113 RGB: P3D65 and P3DCI */
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if (colorimetries->st2113_rgb) {
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color_modes.emplace_back(Colormode::kDciP3);
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color_modes.emplace_back(Colormode::kDisplayP3);
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}
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/* Rec. ITU-R BT.2100 ICtCp HDR (with PQ and/or HLG) */
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if (colorimetries->ictcp) {
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if (hdr_static_meta->pq)
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color_modes.emplace_back(Colormode::kBt2100Pq);
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if (hdr_static_meta->hlg)
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color_modes.emplace_back(Colormode::kBt2100Hlg);
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}
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}
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} // namespace android
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#endif
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