1 /* 2 * Copyright (C) 2022 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 #define LOG_TAG "drmhwc" 18 19 #include "DrmKmsPlan.h" 20 21 #include "drm/DrmDevice.h" 22 #include "drm/DrmPlane.h" 23 #include "utils/log.h" 24 25 namespace android { CreateDrmKmsPlan(DrmDisplayPipeline & pipe,std::vector<LayerData> composition)26auto DrmKmsPlan::CreateDrmKmsPlan(DrmDisplayPipeline &pipe, 27 std::vector<LayerData> composition) 28 -> std::unique_ptr<DrmKmsPlan> { 29 auto plan = std::make_unique<DrmKmsPlan>(); 30 31 auto avail_planes = pipe.GetUsablePlanes(); 32 33 int z_pos = 0; 34 for (auto &dhl : composition) { 35 std::shared_ptr<BindingOwner<DrmPlane>> plane; 36 37 /* Skip unsupported planes */ 38 do { 39 if (avail_planes.empty()) { 40 return {}; 41 } 42 43 plane = *avail_planes.begin(); 44 avail_planes.erase(avail_planes.begin()); 45 } while (!plane->Get()->IsValidForLayer(&dhl)); 46 47 LayerToPlaneJoining joining = { 48 .layer = std::move(dhl), 49 .plane = plane, 50 .z_pos = z_pos++, 51 }; 52 53 plan->plan.emplace_back(std::move(joining)); 54 } 55 56 return plan; 57 } 58 59 } // namespace android 60