1 /*
2 * Copyright 2019 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 <memory>
20
21 #include <compositionengine/Display.h>
22 #include <compositionengine/DisplayColorProfile.h>
23 #include <compositionengine/DisplayCreationArgs.h>
24 #include <compositionengine/RenderSurface.h>
25 #include <compositionengine/impl/GpuCompositionResult.h>
26 #include <compositionengine/impl/Output.h>
27 #include <ui/PixelFormat.h>
28 #include <ui/Size.h>
29
30 #include <ui/DisplayIdentification.h>
31
32 #include "DisplayHardware/HWComposer.h"
33 #include "PowerAdvisor/PowerAdvisor.h"
34
35 namespace android::compositionengine {
36
37 class CompositionEngine;
38
39 namespace impl {
40
41 // The implementation class contains the common implementation, but does not
42 // actually contain the final display state.
43 class Display : public compositionengine::impl::Output, public virtual compositionengine::Display {
44 public:
45 virtual ~Display();
46
47 // compositionengine::Output overrides
48 ftl::Optional<DisplayId> getDisplayId() const override;
49 ftl::Optional<DisplayIdVariant> getDisplayIdVariant() const override;
50 bool isValid() const override;
51 void dump(std::string&) const override;
52 using compositionengine::impl::Output::setReleasedLayers;
53 void setReleasedLayers(const CompositionRefreshArgs&) override;
54 void setColorTransform(const CompositionRefreshArgs&) override;
55 void setColorProfile(const ColorProfile&) override;
56
57 void beginFrame() override;
58 using DeviceRequestedChanges = android::HWComposer::DeviceRequestedChanges;
59 bool chooseCompositionStrategy(
60 std::optional<android::HWComposer::DeviceRequestedChanges>*) override;
61 void applyCompositionStrategy(const std::optional<DeviceRequestedChanges>&) override;
62 bool getSkipColorTransform() const override;
63 compositionengine::Output::FrameFences presentFrame() override;
64 void executeCommands() override;
65 void setExpensiveRenderingExpected(bool) override;
66 void finishFrame(GpuCompositionResult&&) override;
67 bool supportsOffloadPresent() const override;
68
69 // compositionengine::Display overrides
70 DisplayId getId() const override;
71 bool hasSecureLayers() const override;
72 bool isSecure() const override;
73 void setSecure(bool secure) override;
74 bool isVirtual() const override;
75 void disconnect() override;
76 void createDisplayColorProfile(
77 const compositionengine::DisplayColorProfileCreationArgs&) override;
78 void createRenderSurface(const compositionengine::RenderSurfaceCreationArgs&) override;
79 void createClientCompositionCache(uint32_t cacheSize) override;
80 void applyDisplayBrightness(bool applyImmediately) override;
81
82 // Internal helpers used by chooseCompositionStrategy()
83 using ChangedTypes = android::HWComposer::DeviceRequestedChanges::ChangedTypes;
84 using DisplayRequests = android::HWComposer::DeviceRequestedChanges::DisplayRequests;
85 using LayerRequests = android::HWComposer::DeviceRequestedChanges::LayerRequests;
86 using ClientTargetProperty = android::HWComposer::DeviceRequestedChanges::ClientTargetProperty;
87 using LayerLuts = android::HWComposer::DeviceRequestedChanges::LayerLuts;
88 virtual bool allLayersRequireClientComposition() const;
89 virtual void applyChangedTypesToLayers(const ChangedTypes&);
90 virtual void applyDisplayRequests(const DisplayRequests&);
91 virtual void applyLayerRequestsToLayers(const LayerRequests&);
92 virtual void applyClientTargetRequests(const ClientTargetProperty&);
93 virtual void applyLayerLutsToLayers(const LayerLuts&);
94
95 // Internal
96 virtual void setConfiguration(const compositionengine::DisplayCreationArgs&);
97 std::unique_ptr<compositionengine::OutputLayer> createOutputLayer(const sp<LayerFE>&) const;
98
99 private:
100 bool isPowerHintSessionEnabled() override;
101 bool isPowerHintSessionGpuReportingEnabled() override;
102 void setHintSessionGpuStart(TimePoint startTime) override;
103 void setHintSessionGpuFence(std::unique_ptr<FenceTime>&& gpuFence) override;
104 void setHintSessionRequiresRenderEngine(bool requiresRenderEngine) override;
105 const aidl::android::hardware::graphics::composer3::OverlayProperties* getOverlaySupport()
106 override;
107 bool hasPictureProcessing() const override;
108 int32_t getMaxLayerPictureProfiles() const override;
isGpuVirtualDisplay()109 bool isGpuVirtualDisplay() const {
110 return std::holds_alternative<GpuVirtualDisplayId>(mIdVariant);
111 }
112
113 DisplayIdVariant mIdVariant;
114 bool mIsDisconnected = false;
115 adpf::PowerAdvisor* mPowerAdvisor = nullptr;
116 bool mHasPictureProcessing = false;
117 int32_t mMaxLayerPictureProfiles = 0;
118 };
119
120 // This template factory function standardizes the implementation details of the
121 // final class using the types actually required by the implementation. This is
122 // not possible to do in the base class as those types may not even be visible
123 // to the base code.
124 template <typename BaseDisplay, typename CompositionEngine>
createDisplayTemplated(const CompositionEngine & compositionEngine,const compositionengine::DisplayCreationArgs & args)125 std::shared_ptr<BaseDisplay> createDisplayTemplated(
126 const CompositionEngine& compositionEngine,
127 const compositionengine::DisplayCreationArgs& args) {
128 auto display = createOutputTemplated<BaseDisplay>(compositionEngine);
129
130 display->setConfiguration(args);
131
132 return display;
133 }
134
135 std::shared_ptr<Display> createDisplay(const compositionengine::CompositionEngine&,
136 const compositionengine::DisplayCreationArgs&);
137
138 } // namespace impl
139 } // namespace android::compositionengine
140