1 /* 2 * Copyright (C) 2024 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 "aidl/android/hardware/graphics/composer3/BnComposerClient.h" 22 #include "aidl/android/hardware/graphics/composer3/LayerCommand.h" 23 #include "hwc3/CommandResultWriter.h" 24 #include "hwc3/ComposerResources.h" 25 #include "hwc3/Utils.h" 26 #include "utils/Mutex.h" 27 28 using AidlHdcpLevels = aidl::android::hardware::drm::HdcpLevels; 29 using AidlPixelFormat = aidl::android::hardware::graphics::common::PixelFormat; 30 using AidlNativeHandle = aidl::android::hardware::common::NativeHandle; 31 32 namespace android { 33 34 class HwcDisplay; 35 class HwcLayer; 36 37 } // namespace android 38 39 namespace aidl::android::hardware::graphics::composer3::impl { 40 41 class DrmHwcThree; 42 43 class ComposerClient : public BnComposerClient { 44 public: 45 ComposerClient(); 46 ~ComposerClient() override; 47 48 bool Init(); 49 std::string Dump(); 50 51 // composer3 interface 52 ndk::ScopedAStatus createLayer(int64_t display, int32_t buffer_slot_count, 53 int64_t* layer) override; 54 ndk::ScopedAStatus createVirtualDisplay(int32_t width, int32_t height, 55 AidlPixelFormat format_hint, 56 int32_t output_buffer_slot_count, 57 VirtualDisplay* display) override; 58 ndk::ScopedAStatus destroyLayer(int64_t display, int64_t layer) override; 59 ndk::ScopedAStatus destroyVirtualDisplay(int64_t display) override; 60 ndk::ScopedAStatus executeCommands( 61 const std::vector<DisplayCommand>& commands, 62 std::vector<CommandResultPayload>* results) override; 63 ndk::ScopedAStatus getActiveConfig(int64_t display, int32_t* config) override; 64 ndk::ScopedAStatus getColorModes( 65 int64_t display, std::vector<ColorMode>* color_modes) override; 66 ndk::ScopedAStatus getDataspaceSaturationMatrix( 67 common::Dataspace dataspace, std::vector<float>* matrix) override; 68 ndk::ScopedAStatus getDisplayAttribute(int64_t display, int32_t config, 69 DisplayAttribute attribute, 70 int32_t* value) override; 71 ndk::ScopedAStatus getDisplayCapabilities( 72 int64_t display, std::vector<DisplayCapability>* caps) override; 73 ndk::ScopedAStatus getDisplayConfigs(int64_t display, 74 std::vector<int32_t>* configs) override; 75 ndk::ScopedAStatus getDisplayConnectionType( 76 int64_t display, DisplayConnectionType* type) override; 77 ndk::ScopedAStatus getDisplayIdentificationData( 78 int64_t display, DisplayIdentification* id) override; 79 ndk::ScopedAStatus getDisplayName(int64_t display, 80 std::string* name) override; 81 ndk::ScopedAStatus getDisplayVsyncPeriod(int64_t display, 82 int32_t* vsync_period) override; 83 ndk::ScopedAStatus getDisplayedContentSample( 84 int64_t display, int64_t max_frames, int64_t timestamp, 85 DisplayContentSample* samples) override; 86 ndk::ScopedAStatus getDisplayedContentSamplingAttributes( 87 int64_t display, DisplayContentSamplingAttributes* attrs) override; 88 ndk::ScopedAStatus getDisplayPhysicalOrientation( 89 int64_t display, common::Transform* orientation) override; 90 ndk::ScopedAStatus getHdrCapabilities(int64_t display, 91 HdrCapabilities* caps) override; 92 ndk::ScopedAStatus getMaxVirtualDisplayCount(int32_t* count) override; 93 ndk::ScopedAStatus getPerFrameMetadataKeys( 94 int64_t display, std::vector<PerFrameMetadataKey>* keys) override; 95 ndk::ScopedAStatus getReadbackBufferAttributes( 96 int64_t display, ReadbackBufferAttributes* attrs) override; 97 ndk::ScopedAStatus getReadbackBufferFence( 98 int64_t display, ndk::ScopedFileDescriptor* acquire_fence) override; 99 ndk::ScopedAStatus getRenderIntents( 100 int64_t display, ColorMode mode, 101 std::vector<RenderIntent>* intents) override; 102 ndk::ScopedAStatus getSupportedContentTypes( 103 int64_t display, std::vector<ContentType>* types) override; 104 ndk::ScopedAStatus getDisplayDecorationSupport( 105 int64_t display, 106 std::optional<common::DisplayDecorationSupport>* support) override; 107 ndk::ScopedAStatus registerCallback( 108 const std::shared_ptr<IComposerCallback>& callback) override; 109 ndk::ScopedAStatus setActiveConfig(int64_t display, int32_t config) override; 110 ndk::ScopedAStatus setActiveConfigWithConstraints( 111 int64_t display, int32_t config, 112 const VsyncPeriodChangeConstraints& constraints, 113 VsyncPeriodChangeTimeline* timeline) override; 114 ndk::ScopedAStatus setBootDisplayConfig(int64_t display, 115 int32_t config) override; 116 ndk::ScopedAStatus clearBootDisplayConfig(int64_t display) override; 117 ndk::ScopedAStatus getPreferredBootDisplayConfig(int64_t display, 118 int32_t* config) override; 119 ndk::ScopedAStatus setAutoLowLatencyMode(int64_t display, bool on) override; 120 ndk::ScopedAStatus setClientTargetSlotCount(int64_t display, 121 int32_t count) override; 122 ndk::ScopedAStatus setColorMode(int64_t display, ColorMode mode, 123 RenderIntent intent) override; 124 ndk::ScopedAStatus setContentType(int64_t display, ContentType type) override; 125 ndk::ScopedAStatus setDisplayedContentSamplingEnabled( 126 int64_t display, bool enable, FormatColorComponent component_mask, 127 int64_t max_frames) override; 128 ndk::ScopedAStatus setPowerMode(int64_t display, PowerMode mode) override; 129 ndk::ScopedAStatus setReadbackBuffer( 130 int64_t display, const AidlNativeHandle& buffer, 131 const ndk::ScopedFileDescriptor& release_fence) override; 132 ndk::ScopedAStatus setVsyncEnabled(int64_t display, bool enabled) override; 133 ndk::ScopedAStatus setIdleTimerEnabled(int64_t display, 134 int32_t timeout) override; 135 136 #if __ANDROID_API__ >= 34 137 138 ndk::ScopedAStatus getOverlaySupport( 139 OverlayProperties* out_overlay_properties) override; 140 ndk::ScopedAStatus getHdrConversionCapabilities( 141 std::vector<common::HdrConversionCapability>* out_capabilities) override; 142 ndk::ScopedAStatus setHdrConversionStrategy( 143 const common::HdrConversionStrategy& conversion_strategy, 144 common::Hdr* out_hdr) override; 145 ndk::ScopedAStatus setRefreshRateChangedCallbackDebugEnabled( 146 int64_t display, bool enabled) override; 147 148 #endif 149 150 #if __ANDROID_API__ >= 35 151 152 ndk::ScopedAStatus getDisplayConfigurations( 153 int64_t display, int32_t max_frame_interval_ns, 154 std::vector<DisplayConfiguration>* configurations) override; 155 ndk::ScopedAStatus notifyExpectedPresent( 156 int64_t display, const ClockMonotonicTimestamp& expected_present_time, 157 int32_t frame_interval_ns) override; 158 ndk::ScopedAStatus startHdcpNegotiation(int64_t display, 159 const AidlHdcpLevels& levels) override; 160 161 #endif 162 163 ndk::ScopedAStatus getMaxLayerPictureProfiles( 164 int64_t display, int32_t* maxProfiles) override; 165 ndk::ScopedAStatus getLuts(int64_t, const std::vector<Buffer>&, 166 std::vector<Luts>* out_luts) override; 167 168 protected: 169 ::ndk::SpAIBinder createBinder() override; 170 171 private: 172 hwc3::Error ImportLayerBuffer(int64_t display_id, int64_t layer_id, 173 const Buffer& buffer, 174 buffer_handle_t* out_imported_buffer); 175 176 // Layer commands 177 void DispatchLayerCommand(int64_t display_id, const LayerCommand& command); 178 179 // Display commands 180 void ExecuteDisplayCommand(const DisplayCommand& command); 181 void ExecuteSetDisplayColorTransform(uint64_t display_id, 182 const std::vector<float>& matrix); 183 void ExecuteSetDisplayClientTarget(uint64_t display_id, 184 const ClientTarget& command); 185 void ExecuteSetDisplayOutputBuffer(uint64_t display_id, const Buffer& buffer); 186 void ExecuteValidateDisplay( 187 int64_t display_id, 188 std::optional<ClockMonotonicTimestamp> expected_present_time); 189 void ExecuteAcceptDisplayChanges(int64_t display_id); 190 void ExecutePresentDisplay(int64_t display_id); 191 void ExecutePresentOrValidateDisplay( 192 int64_t display_id, 193 std::optional<ClockMonotonicTimestamp> expected_present_time); 194 195 static hwc3::Error ValidateDisplayInternal( 196 ::android::HwcDisplay& display, std::vector<int64_t>* out_changed_layers, 197 std::vector<Composition>* out_composition_types, 198 int32_t* out_display_request_mask, 199 std::vector<int64_t>* out_requested_layers, 200 std::vector<int32_t>* out_request_masks, 201 ClientTargetProperty* out_client_target_property, 202 DimmingStage* out_dimming_stage); 203 204 hwc3::Error PresentDisplayInternal( 205 uint64_t display_id, ::android::base::unique_fd& out_display_fence, 206 std::unordered_map<int64_t, ::android::base::unique_fd>& 207 out_release_fences); 208 209 ::android::HwcDisplay* GetDisplay(uint64_t display_id); 210 211 std::unique_ptr<CommandResultWriter> cmd_result_writer_; 212 213 // Manages importing and caching gralloc buffers for displays and layers. 214 std::unique_ptr<ComposerResources> composer_resources_; 215 216 std::unique_ptr<DrmHwcThree> hwc_; 217 }; 218 219 } // namespace aidl::android::hardware::graphics::composer3::impl 220