1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef OHOS_HDI_DISPLAY_COMPOSER_SERVICE_H
17 #define OHOS_HDI_DISPLAY_COMPOSER_SERVICE_H
18 
19 #include "idisplay_composer_vdi_v1_1.h"
20 #include "cache_manager/device_cache_manager.h"
21 #include "v1_1/display_command/display_cmd_responser.h"
22 #include "v1_1/idisplay_composer.h"
23 #include "v1_2/display_command/display_cmd_responser.h"
24 #include "v1_2/idisplay_composer.h"
25 #include "v1_2/display_composer_type.h"
26 #include <mutex>
27 
28 namespace OHOS {
29 namespace HDI {
30 namespace Display {
31 namespace Composer {
32 using namespace OHOS::HDI::Display::Composer::V1_2;
33 
34 class DisplayComposerService : public V1_2::IDisplayComposer {
35 public:
36     DisplayComposerService();
37     virtual ~DisplayComposerService();
38     int32_t RegHotPlugCallback(const sptr<IHotPlugCallback>& cb) override;
39     int32_t SetClientBufferCacheCount(uint32_t devId, uint32_t count) override;
40     int32_t GetDisplayCapability(uint32_t devId, DisplayCapability& info) override;
41     int32_t GetDisplaySupportedModes(uint32_t devId, std::vector<DisplayModeInfo>& modes) override;
42     int32_t GetDisplayMode(uint32_t devId, uint32_t& modeId) override;
43     int32_t SetDisplayMode(uint32_t devId, uint32_t modeId) override;
44     int32_t GetDisplayPowerStatus(uint32_t devId, V1_0::DispPowerStatus& status) override;
45     int32_t SetDisplayPowerStatus(uint32_t devId, V1_0::DispPowerStatus status) override;
46     int32_t GetDisplayBacklight(uint32_t devId, uint32_t& level) override;
47     int32_t SetDisplayBacklight(uint32_t devId, uint32_t level) override;
48     int32_t GetDisplayProperty(uint32_t devId, uint32_t id, uint64_t& value) override;
49     int32_t SetHardwareCursorPosition(uint32_t devId, int32_t x, int32_t y) override;
50     int32_t EnableHardwareCursorStats(uint32_t devId, bool enable) override;
51     int32_t GetHardwareCursorStats(uint32_t devId, uint32_t& frameCount, uint32_t& vsyncCount) override;
52     int32_t SetDisplayClientCrop(uint32_t devId, const IRect& rect) override;
53     int32_t SetDisplayVsyncEnabled(uint32_t devId, bool enabled) override;
54     int32_t RegDisplayVBlankCallback(uint32_t devId, const sptr<IVBlankCallback>& cb) override;
55     int32_t GetDisplayReleaseFence(
56         uint32_t devId, std::vector<uint32_t>& layers, std::vector<sptr<HdifdParcelable>>& fences) override;
57     int32_t CreateVirtualDisplay(uint32_t width, uint32_t height, int32_t& format, uint32_t& devId) override;
58     int32_t DestroyVirtualDisplay(uint32_t devId) override;
59     int32_t SetVirtualDisplayBuffer(
60         uint32_t devId, const sptr<NativeBuffer>& buffer, const sptr<HdifdParcelable>& fence) override;
61     int32_t SetDisplayProperty(uint32_t devId, uint32_t id, uint64_t value) override;
62     int32_t CreateLayer(uint32_t devId, const LayerInfo& layerInfo, uint32_t cacheCount, uint32_t& layerId) override;
63     int32_t DestroyLayer(uint32_t devId, uint32_t layerId) override;
64     int32_t InitCmdRequest(const std::shared_ptr<SharedMemQueue<int32_t>>& request) override;
65     int32_t CmdRequest(uint32_t inEleCnt, const std::vector<HdifdInfo>& inFds, uint32_t& outEleCnt,
66         std::vector<HdifdInfo>& outFds) override;
67     int32_t GetCmdReply(std::shared_ptr<SharedMemQueue<int32_t>>& reply) override;
68 
69     int32_t RegSeamlessChangeCallback(const sptr<ISeamlessChangeCallback>& cb) override;
70     int32_t GetDisplaySupportedModesExt(uint32_t devId, std::vector<DisplayModeInfoExt>& modes) override;
71     int32_t SetDisplayModeAsync(uint32_t devId, uint32_t modeId, const sptr<IModeCallback>& cb) override;
72     int32_t GetDisplayVBlankPeriod(uint32_t devId, uint64_t &period) override;
73     int32_t SetLayerPerFrameParameter(uint32_t devId, uint32_t layerId, const std::string& key,
74         const std::vector<int8_t>& value)  override;
75     int32_t GetSupportedLayerPerFrameParameterKey(std::vector<std::string>& keys) override;
76     int32_t SetDisplayOverlayResolution(uint32_t devId, uint32_t width, uint32_t height) override;
77     int32_t GetDisplaySupportedColorGamuts(uint32_t devId, std::vector<ColorGamut>& gamuts) override;
78     int32_t GetHDRCapabilityInfos(uint32_t devId, HDRCapability& info) override;
79     int32_t RegRefreshCallback(const sptr<IRefreshCallback>& cb) override;
80     int32_t RegDisplayVBlankIdleCallback (const sptr<IVBlankIdleCallback>& cb) override;
81     int32_t ClearClientBuffer(uint32_t devId) override;
82     int32_t ClearLayerBuffer(uint32_t devId, uint32_t layerId) override;
83 
84 private:
85     void HidumperInit();
86     int32_t LoadVdiSo();
87     int32_t LoadVdiV1_0();
88     int32_t LoadVdiV1_1();
89     static void OnHotPlug(uint32_t outputId, bool connected, void* data);
90     static void OnVBlank(unsigned int sequence, uint64_t ns, void* data);
91     static void OnMode(uint32_t modeId, uint64_t vBlankPeriod, void* data);
92     static void OnSeamlessChange(uint32_t devId, void* data);
93     static void OnRefresh(uint32_t devId, void *data);
94     static void OnVBlankIdleCallback(uint32_t devId, uint64_t ns, void* data);
95 private:
96     /* Common */
97     void* libHandle_;
98     std::mutex mutex_;
99     std::shared_ptr<DeviceCacheManager> cacheMgr_;
100     uint32_t currentBacklightLevel_;
101     sptr<IHotPlugCallback> hotPlugCb_;
102     sptr<IVBlankCallback> vBlankCb_;
103     sptr<IModeCallback> modeCb_;
104     sptr<ISeamlessChangeCallback> seamlessChangeCb_;
105 
106     /* V1_0, which is the version of vdi */
107     IDisplayComposerVdi* vdiImpl_;
108     DestroyComposerVdiFunc destroyVdiFunc_;
109     std::unique_ptr<V1_2::HdiDisplayCmdResponser> cmdResponser_;
110 
111     /* V1_1, which is the version of vdi */
112     IDisplayComposerVdiV1_1* vdiImplV1_1_;
113     DestroyComposerVdiFuncV1_1 destroyVdiFuncV1_1_;
114     std::unique_ptr<V1_2::HdiDisplayCmdResponser_1_1> cmdResponserV1_1_;
115     sptr<IRefreshCallback> refreshCb_;
116     sptr<IVBlankIdleCallback> VBlankIdleCb_;
117 };
118 } // namespace Composer
119 } // namespace Display
120 } // namespace HDI
121 } // namespace OHOS
122 #endif // OHOS_HDI_DISPLAY_COMPOSER_SERVICE_H
123