1 #include "include/dvr/dvr_hardware_composer_client.h" 2 3 #include <android/dvr/IVrComposer.h> 4 #include <android/dvr/BnVrComposerCallback.h> 5 #include <android/hardware_buffer.h> 6 #include <binder/IServiceManager.h> 7 #include <private/android/AHardwareBufferHelpers.h> 8 9 #include <memory> 10 11 struct DvrHwcFrame { 12 android::dvr::ComposerView::Frame frame; 13 }; 14 15 namespace { 16 17 class HwcCallback : public android::dvr::BnVrComposerCallback { 18 public: 19 explicit HwcCallback(DvrHwcOnFrameCallback callback, 20 void* client_state); 21 ~HwcCallback() override; 22 23 std::unique_ptr<DvrHwcFrame> DequeueFrame(); 24 25 private: 26 // android::dvr::BnVrComposerCallback: 27 android::binder::Status onNewFrame( 28 const android::dvr::ParcelableComposerFrame& frame, 29 android::dvr::ParcelableUniqueFd* fence) override; 30 31 DvrHwcOnFrameCallback callback_; 32 void* client_state_; 33 34 HwcCallback(const HwcCallback&) = delete; 35 void operator=(const HwcCallback&) = delete; 36 }; 37 38 HwcCallback::HwcCallback(DvrHwcOnFrameCallback callback, void* client_state) 39 : callback_(callback), client_state_(client_state) {} 40 41 HwcCallback::~HwcCallback() {} 42 43 android::binder::Status HwcCallback::onNewFrame( 44 const android::dvr::ParcelableComposerFrame& frame, 45 android::dvr::ParcelableUniqueFd* fence) { 46 std::unique_ptr<DvrHwcFrame> dvr_frame(new DvrHwcFrame()); 47 dvr_frame->frame = frame.frame(); 48 49 fence->set_fence(android::base::unique_fd(callback_(client_state_, 50 dvr_frame.release()))); 51 return android::binder::Status::ok(); 52 } 53 54 } // namespace 55 56 struct DvrHwcClient { 57 android::sp<android::dvr::IVrComposer> composer; 58 android::sp<HwcCallback> callback; 59 }; 60 61 DvrHwcClient* dvrHwcClientCreate(DvrHwcOnFrameCallback callback, void* data) { 62 std::unique_ptr<DvrHwcClient> client(new DvrHwcClient()); 63 64 android::sp<android::IServiceManager> sm(android::defaultServiceManager()); 65 client->composer = android::interface_cast<android::dvr::IVrComposer>( 66 sm->getService(android::dvr::IVrComposer::SERVICE_NAME())); 67 if (!client->composer.get()) 68 return nullptr; 69 70 client->callback = new HwcCallback(callback, data); 71 android::binder::Status status = client->composer->registerObserver( 72 client->callback); 73 if (!status.isOk()) 74 return nullptr; 75 76 return client.release(); 77 } 78 79 void dvrHwcClientDestroy(DvrHwcClient* client) { 80 delete client; 81 } 82 83 void dvrHwcFrameDestroy(DvrHwcFrame* frame) { 84 delete frame; 85 } 86 87 DvrHwcDisplay dvrHwcFrameGetDisplayId(DvrHwcFrame* frame) { 88 return frame->frame.display_id; 89 } 90 91 int32_t dvrHwcFrameGetDisplayWidth(DvrHwcFrame* frame) { 92 return frame->frame.display_width; 93 } 94 95 int32_t dvrHwcFrameGetDisplayHeight(DvrHwcFrame* frame) { 96 return frame->frame.display_height; 97 } 98 99 bool dvrHwcFrameGetDisplayRemoved(DvrHwcFrame* frame) { 100 return frame->frame.removed; 101 } 102 103 size_t dvrHwcFrameGetLayerCount(DvrHwcFrame* frame) { 104 return frame->frame.layers.size(); 105 } 106 107 uint32_t dvrHwcFrameGetActiveConfig(DvrHwcFrame* frame) { 108 return static_cast<uint32_t>(frame->frame.active_config); 109 } 110 111 uint32_t dvrHwcFrameGetColorMode(DvrHwcFrame* frame) { 112 return static_cast<uint32_t>(frame->frame.color_mode); 113 } 114 115 void dvrHwcFrameGetColorTransform(DvrHwcFrame* frame, float* out_matrix, 116 int32_t* out_hint) { 117 *out_hint = frame->frame.color_transform_hint; 118 memcpy(out_matrix, frame->frame.color_transform, 119 sizeof(frame->frame.color_transform)); 120 } 121 122 uint32_t dvrHwcFrameGetPowerMode(DvrHwcFrame* frame) { 123 return static_cast<uint32_t>(frame->frame.power_mode); 124 } 125 126 uint32_t dvrHwcFrameGetVsyncEnabled(DvrHwcFrame* frame) { 127 return static_cast<uint32_t>(frame->frame.vsync_enabled); 128 } 129 130 DvrHwcLayer dvrHwcFrameGetLayerId(DvrHwcFrame* frame, size_t layer_index) { 131 return frame->frame.layers[layer_index].id; 132 } 133 134 AHardwareBuffer* dvrHwcFrameGetLayerBuffer(DvrHwcFrame* frame, 135 size_t layer_index) { 136 AHardwareBuffer* buffer = android::AHardwareBuffer_from_GraphicBuffer( 137 frame->frame.layers[layer_index].buffer.get()); 138 AHardwareBuffer_acquire(buffer); 139 return buffer; 140 } 141 142 int dvrHwcFrameGetLayerFence(DvrHwcFrame* frame, size_t layer_index) { 143 return frame->frame.layers[layer_index].fence->dup(); 144 } 145 146 DvrHwcRecti dvrHwcFrameGetLayerDisplayFrame(DvrHwcFrame* frame, 147 size_t layer_index) { 148 return DvrHwcRecti{ 149 frame->frame.layers[layer_index].display_frame.left, 150 frame->frame.layers[layer_index].display_frame.top, 151 frame->frame.layers[layer_index].display_frame.right, 152 frame->frame.layers[layer_index].display_frame.bottom, 153 }; 154 } 155 156 DvrHwcRectf dvrHwcFrameGetLayerCrop(DvrHwcFrame* frame, size_t layer_index) { 157 return DvrHwcRectf{ 158 frame->frame.layers[layer_index].crop.left, 159 frame->frame.layers[layer_index].crop.top, 160 frame->frame.layers[layer_index].crop.right, 161 frame->frame.layers[layer_index].crop.bottom, 162 }; 163 } 164 165 DvrHwcBlendMode dvrHwcFrameGetLayerBlendMode(DvrHwcFrame* frame, 166 size_t layer_index) { 167 return static_cast<DvrHwcBlendMode>( 168 frame->frame.layers[layer_index].blend_mode); 169 } 170 171 float dvrHwcFrameGetLayerAlpha(DvrHwcFrame* frame, size_t layer_index) { 172 return frame->frame.layers[layer_index].alpha; 173 } 174 175 uint32_t dvrHwcFrameGetLayerType(DvrHwcFrame* frame, size_t layer_index) { 176 return frame->frame.layers[layer_index].type; 177 } 178 179 uint32_t dvrHwcFrameGetLayerApplicationId(DvrHwcFrame* frame, 180 size_t layer_index) { 181 return frame->frame.layers[layer_index].app_id; 182 } 183 184 uint32_t dvrHwcFrameGetLayerZOrder(DvrHwcFrame* frame, size_t layer_index) { 185 return frame->frame.layers[layer_index].z_order; 186 } 187 188 void dvrHwcFrameGetLayerCursor(DvrHwcFrame* frame, size_t layer_index, 189 int32_t* out_x, int32_t* out_y) { 190 *out_x = frame->frame.layers[layer_index].cursor_x; 191 *out_y = frame->frame.layers[layer_index].cursor_y; 192 } 193 194 uint32_t dvrHwcFrameGetLayerTransform(DvrHwcFrame* frame, size_t layer_index) { 195 return frame->frame.layers[layer_index].transform; 196 } 197 198 uint32_t dvrHwcFrameGetLayerDataspace(DvrHwcFrame* frame, size_t layer_index) { 199 return frame->frame.layers[layer_index].dataspace; 200 } 201 202 uint32_t dvrHwcFrameGetLayerColor(DvrHwcFrame* frame, size_t layer_index) { 203 const auto& color = frame->frame.layers[layer_index].color; 204 return color.r | (static_cast<uint32_t>(color.g) << 8) | 205 (static_cast<uint32_t>(color.b) << 16) | 206 (static_cast<uint32_t>(color.a) << 24); 207 } 208 209 uint32_t dvrHwcFrameGetLayerNumVisibleRegions(DvrHwcFrame* frame, 210 size_t layer_index) { 211 return frame->frame.layers[layer_index].visible_regions.size(); 212 } 213 214 DvrHwcRecti dvrHwcFrameGetLayerVisibleRegion(DvrHwcFrame* frame, 215 size_t layer_index, size_t index) { 216 return DvrHwcRecti{ 217 frame->frame.layers[layer_index].visible_regions[index].left, 218 frame->frame.layers[layer_index].visible_regions[index].top, 219 frame->frame.layers[layer_index].visible_regions[index].right, 220 frame->frame.layers[layer_index].visible_regions[index].bottom, 221 }; 222 } 223 224 uint32_t dvrHwcFrameGetLayerNumDamagedRegions(DvrHwcFrame* frame, 225 size_t layer_index) { 226 return frame->frame.layers[layer_index].damaged_regions.size(); 227 } 228 229 DvrHwcRecti dvrHwcFrameGetLayerDamagedRegion(DvrHwcFrame* frame, 230 size_t layer_index, size_t index) { 231 return DvrHwcRecti{ 232 frame->frame.layers[layer_index].damaged_regions[index].left, 233 frame->frame.layers[layer_index].damaged_regions[index].top, 234 frame->frame.layers[layer_index].damaged_regions[index].right, 235 frame->frame.layers[layer_index].damaged_regions[index].bottom, 236 }; 237 } 238
