1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <xf86drmMode.h> 20 21 #include <cstdint> 22 #include <cstdio> 23 #include <string> 24 25 #include "DrmUnique.h" 26 27 namespace android { 28 29 class DrmDevice; 30 31 class DrmMode { 32 public: 33 DrmMode() = default; 34 explicit DrmMode(drmModeModeInfoPtr m); 35 36 bool operator==(const drmModeModeInfo &m) const; 37 GetRawMode()38 auto &GetRawMode() const { 39 return mode_; 40 } 41 GetVRefresh()42 auto GetVRefresh() const { 43 if (mode_.clock == 0) { 44 return float(mode_.vrefresh); 45 } 46 // Always recalculate refresh to report correct float rate 47 return static_cast<float>(mode_.clock) / 48 (float)(mode_.vtotal * mode_.htotal) * 1000.0F; 49 } 50 GetName()51 auto GetName() const { 52 return std::string(mode_.name) + "@" + std::to_string(GetVRefresh()); 53 } 54 55 auto CreateModeBlob(const DrmDevice &drm) -> DrmModeUserPropertyBlobUnique; 56 57 private: 58 drmModeModeInfo mode_; 59 }; 60 } // namespace android 61