xref: /aosp_15_r20/external/drm_hwcomposer/hwc2_device/HwcDisplayConfigs.h (revision 0a9764fe0a15e71ebbeb85e87e10990c23aab47f)
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 #pragma once
18 
19 #include <hardware/hwcomposer2.h>
20 
21 #include <map>
22 
23 #include "drm/DrmMode.h"
24 
25 namespace android {
26 
27 class DrmConnector;
28 
29 struct HwcDisplayConfig {
30   uint32_t id{};
31   uint32_t group_id{};
32   DrmMode mode{};
33   bool disabled{};
34 
IsInterlacedHwcDisplayConfig35   bool IsInterlaced() const {
36     return (mode.GetRawMode().flags & DRM_MODE_FLAG_INTERLACE) != 0;
37   }
38 };
39 
40 struct HwcDisplayConfigs {
41   HWC2::Error Update(DrmConnector &conn);
42   void GenFakeMode(uint16_t width, uint16_t height);
43 
44   std::map<uint32_t /*config_id*/, struct HwcDisplayConfig> hwc_configs;
45 
46   uint32_t active_config_id = 0;
47   uint32_t preferred_config_id = 0;
48 
49   // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
50   static uint32_t last_config_id;
51 
52   uint32_t mm_width = 0;
53   uint32_t mm_height = 0;
54 };
55 
56 }  // namespace android
57