2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef ANDROID_DRM_DISPLAY_COMPOSITOR_H_
18 #define ANDROID_DRM_DISPLAY_COMPOSITOR_H_
20 #include "drm_hwcomposer.h"
21 #include "drmcomposition.h"
22 #include "drmcompositorworker.h"
28 #include <hardware/hardware.h>
29 #include <hardware/hwcomposer.h>
33 class DrmDisplayCompositor {
35 DrmDisplayCompositor();
36 ~DrmDisplayCompositor();
38 int Init(DrmResources *drm, int display);
40 int QueueComposition(std::unique_ptr<DrmDisplayComposition> composition);
42 void Dump(std::ostringstream *out) const;
44 bool HaveQueuedComposites() const;
47 DrmDisplayCompositor(const DrmDisplayCompositor &) = delete;
49 int ApplyFrame(DrmDisplayComposition *display_comp);
50 int ApplyDpms(DrmDisplayComposition *display_comp);
55 DrmCompositorWorker worker_;
57 std::queue<std::unique_ptr<DrmDisplayComposition>> composite_queue_;
58 std::unique_ptr<DrmDisplayComposition> active_composition_;
65 // mutable since we need to acquire in HaveQueuedComposites
66 mutable pthread_mutex_t lock_;
68 // State tracking progress since our last Dump(). These are mutable since
69 // we need to reset them on every Dump() call.
70 mutable uint64_t dump_frames_composited_;
71 mutable uint64_t dump_last_timestamp_ns_;
75 #endif // ANDROID_DRM_DISPLAY_COMPOSITOR_H_