120 lines
4 KiB
C++
120 lines
4 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 "EdidWrapper.h"
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#include <ui/GraphicTypes.h>
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#include "compositor/DisplayInfo.h"
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#include "drm/DrmUnique.h"
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#include "utils/log.h"
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namespace android::drm_hwcomposer {
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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, float *max_luminance,
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float *max_average_luminance, 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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auto LibdisplayEdidWrapper::GetBoundsMm() -> std::pair<int32_t, int32_t> {
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const auto edid = di_info_get_edid(info_);
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const auto detailed_timing_defs = di_edid_get_detailed_timing_defs(edid);
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const auto dtd = detailed_timing_defs[0];
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if (dtd == nullptr || dtd->horiz_image_mm == 0 || dtd->vert_image_mm == 0) {
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// try to fallback on display size if no dtd.
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// However since edid screen size are vastly unreliable only provide a valid
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// width to avoid invalid dpi computation.
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const auto screen_size = di_edid_get_screen_size(edid);
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return {screen_size->width_cm * 10, -1};
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}
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return {dtd->horiz_image_mm, dtd->vert_image_mm};
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}
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} // namespace android::drm_hwcomposer
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#endif
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