70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/*
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* Copyright (C) 2015 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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#pragma once
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#include <xf86drmMode.h>
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#include <cstdint>
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#include <cstdio>
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#include <string>
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#include "DrmUnique.h"
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namespace android::drm_hwcomposer {
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class DrmDevice;
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class DrmMode {
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public:
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DrmMode() = default;
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explicit DrmMode(drmModeModeInfoPtr m);
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bool operator==(const drmModeModeInfo &m) const;
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bool SameSize(const DrmMode &mode) const;
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auto &GetRawMode() const {
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return mode_;
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}
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auto GetVRefresh() const {
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if (mode_.clock == 0) {
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return float(mode_.vrefresh);
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}
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// Always recalculate refresh to report correct float rate
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return static_cast<float>(mode_.clock) /
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(float)(mode_.vtotal * mode_.htotal) * 1000.0F;
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}
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auto GetVSyncPeriodNs() const {
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static const int kNanosecondsPerSecond = 1E9;
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return static_cast<int32_t>(kNanosecondsPerSecond *
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double(1 / GetVRefresh()));
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}
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auto GetName() const {
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return std::string(mode_.name) + "@" + std::to_string(GetVRefresh());
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}
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auto CreateModeBlob(const DrmDevice &drm) const
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-> DrmModeUserPropertyBlobUnique;
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private:
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drmModeModeInfo mode_;
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};
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} // namespace android::drm_hwcomposer
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