1 /*
2 * Copyright (C) 2020 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 #include "host/libs/wayland/wayland_surfaces.h"
18
19 #include <android-base/logging.h>
20 #include <drm/drm_fourcc.h>
21 #include <wayland-server-protocol.h>
22
23 #include "host/libs/wayland/wayland_surface.h"
24
25 namespace wayland {
26
SetFrameCallback(FrameCallback callback)27 void Surfaces::SetFrameCallback(FrameCallback callback) {
28 std::unique_lock<std::mutex> lock(callback_mutex_);
29 callback_.emplace(std::move(callback));
30 }
31
SetDisplayEventCallback(DisplayEventCallback callback)32 void Surfaces::SetDisplayEventCallback(DisplayEventCallback callback) {
33 std::unique_lock<std::mutex> lock(callback_mutex_);
34 event_callback_.emplace(std::move(callback));
35 }
36
SetFramesAreRGBA(bool frames_are_rgba)37 void Surfaces::SetFramesAreRGBA(bool frames_are_rgba) {
38 frames_are_rgba_ = frames_are_rgba;
39 }
40
HandleSurfaceFrame(std::uint32_t display_number,std::uint32_t frame_width,std::uint32_t frame_height,std::uint32_t frame_fourcc_format,std::uint32_t frame_stride_bytes,std::uint8_t * frame_bytes)41 void Surfaces::HandleSurfaceFrame(std::uint32_t display_number,
42 std::uint32_t frame_width,
43 std::uint32_t frame_height,
44 std::uint32_t frame_fourcc_format,
45 std::uint32_t frame_stride_bytes,
46 std::uint8_t* frame_bytes) {
47 if (frames_are_rgba_) {
48 frame_fourcc_format = DRM_FORMAT_ABGR8888;
49 }
50
51 std::unique_lock<std::mutex> lock(callback_mutex_);
52
53 if (callback_) {
54 (callback_.value())(display_number, frame_width, frame_height,
55 frame_fourcc_format, frame_stride_bytes, frame_bytes);
56 }
57 }
58
HandleSurfaceCreated(std::uint32_t display_number,std::uint32_t display_width,std::uint32_t display_height)59 void Surfaces::HandleSurfaceCreated(std::uint32_t display_number,
60 std::uint32_t display_width,
61 std::uint32_t display_height) {
62 const DisplayEvent event{DisplayCreatedEvent{
63 .display_number = display_number,
64 .display_width = display_width,
65 .display_height = display_height,
66 }};
67
68 std::unique_lock<std::mutex> lock(callback_mutex_);
69 if (event_callback_) {
70 (event_callback_.value())(event);
71 }
72 }
73
HandleSurfaceDestroyed(std::uint32_t display_number)74 void Surfaces::HandleSurfaceDestroyed(std::uint32_t display_number) {
75 const DisplayEvent event{DisplayDestroyedEvent{
76 .display_number = display_number,
77 }};
78
79 std::unique_lock<std::mutex> lock(callback_mutex_);
80 if (event_callback_) {
81 (event_callback_.value())(event);
82 }
83 }
84
85 } // namespace wayland