1 /* 2 * Copyright 2015 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 #ifndef ANDROID_SF_HWC2_ON_1_ADAPTER_H 18 #define ANDROID_SF_HWC2_ON_1_ADAPTER_H 19 20 #define HWC2_INCLUDE_STRINGIFICATION 21 #define HWC2_USE_CPP11 22 #include <hardware/hwcomposer2.h> 23 #undef HWC2_INCLUDE_STRINGIFICATION 24 #undef HWC2_USE_CPP11 25 26 #include <ui/Fence.h> 27 28 #include <atomic> 29 #include <map> 30 #include <mutex> 31 #include <queue> 32 #include <set> 33 #include <unordered_map> 34 #include <unordered_set> 35 #include <vector> 36 37 struct hwc_composer_device_1; 38 struct hwc_display_contents_1; 39 struct hwc_layer_1; 40 41 namespace android { 42 43 class HWC2On1Adapter : public hwc2_device_t 44 { 45 public: 46 HWC2On1Adapter(struct hwc_composer_device_1* hwc1Device); 47 ~HWC2On1Adapter(); 48 49 struct hwc_composer_device_1* getHwc1Device() const { return mHwc1Device; } 50 uint8_t getHwc1MinorVersion() const { return mHwc1MinorVersion; } 51 52 private: 53 static inline HWC2On1Adapter* getAdapter(hwc2_device_t* device) { 54 return static_cast<HWC2On1Adapter*>(device); 55 } 56 57 // getCapabilities 58 59 void doGetCapabilities(uint32_t* outCount, 60 int32_t* /*hwc2_capability_t*/ outCapabilities); 61 static void getCapabilitiesHook(hwc2_device_t* device, uint32_t* outCount, 62 int32_t* /*hwc2_capability_t*/ outCapabilities) { 63 getAdapter(device)->doGetCapabilities(outCount, outCapabilities); 64 } 65 66 // getFunction 67 68 hwc2_function_pointer_t doGetFunction(HWC2::FunctionDescriptor descriptor); 69 static hwc2_function_pointer_t getFunctionHook(hwc2_device_t* device, 70 int32_t intDesc) { 71 auto descriptor = static_cast<HWC2::FunctionDescriptor>(intDesc); 72 return getAdapter(device)->doGetFunction(descriptor); 73 } 74 75 // Device functions 76 77 HWC2::Error createVirtualDisplay(uint32_t width, uint32_t height, 78 hwc2_display_t* outDisplay); 79 static int32_t createVirtualDisplayHook(hwc2_device_t* device, 80 uint32_t width, uint32_t height, int32_t* /*format*/, 81 hwc2_display_t* outDisplay) { 82 // HWC1 implementations cannot override the buffer format requested by 83 // the consumer 84 auto error = getAdapter(device)->createVirtualDisplay(width, height, 85 outDisplay); 86 return static_cast<int32_t>(error); 87 } 88 89 HWC2::Error destroyVirtualDisplay(hwc2_display_t display); 90 static int32_t destroyVirtualDisplayHook(hwc2_device_t* device, 91 hwc2_display_t display) { 92 auto error = getAdapter(device)->destroyVirtualDisplay(display); 93 return static_cast<int32_t>(error); 94 } 95 96 std::string mDumpString; 97 void dump(uint32_t* outSize, char* outBuffer); 98 static void dumpHook(hwc2_device_t* device, uint32_t* outSize, 99 char* outBuffer) { 100 getAdapter(device)->dump(outSize, outBuffer); 101 } 102 103 uint32_t getMaxVirtualDisplayCount(); 104 static uint32_t getMaxVirtualDisplayCountHook(hwc2_device_t* device) { 105 return getAdapter(device)->getMaxVirtualDisplayCount(); 106 } 107 108 HWC2::Error registerCallback(HWC2::Callback descriptor, 109 hwc2_callback_data_t callbackData, hwc2_function_pointer_t pointer); 110 static int32_t registerCallbackHook(hwc2_device_t* device, 111 int32_t intDesc, hwc2_callback_data_t callbackData, 112 hwc2_function_pointer_t pointer) { 113 auto descriptor = static_cast<HWC2::Callback>(intDesc); 114 auto error = getAdapter(device)->registerCallback(descriptor, 115 callbackData, pointer); 116 return static_cast<int32_t>(error); 117 } 118 119 // Display functions 120 121 class Layer; 122 123 class SortLayersByZ { 124 public: 125 bool operator()(const std::shared_ptr<Layer>& lhs, 126 const std::shared_ptr<Layer>& rhs); 127 }; 128 129 class DisplayContentsDeleter { 130 public: 131 void operator()(struct hwc_display_contents_1* contents); 132 }; 133 134 class DeferredFence { 135 public: 136 DeferredFence() 137 : mMutex(), 138 mFences({Fence::NO_FENCE, Fence::NO_FENCE}) {} 139 140 void add(int32_t fenceFd) { 141 mFences.emplace(new Fence(fenceFd)); 142 mFences.pop(); 143 } 144 145 const sp<Fence>& get() const { 146 return mFences.front(); 147 } 148 149 private: 150 mutable std::mutex mMutex; 151 std::queue<sp<Fence>> mFences; 152 }; 153 154 class FencedBuffer { 155 public: 156 FencedBuffer() : mBuffer(nullptr), mFence(Fence::NO_FENCE) {} 157 158 void setBuffer(buffer_handle_t buffer) { mBuffer = buffer; } 159 void setFence(int fenceFd) { mFence = new Fence(fenceFd); } 160 161 buffer_handle_t getBuffer() const { return mBuffer; } 162 int getFence() const { return mFence->dup(); } 163 164 private: 165 buffer_handle_t mBuffer; 166 sp<Fence> mFence; 167 }; 168 169 class Display { 170 public: 171 typedef std::unique_ptr<hwc_display_contents_1, 172 DisplayContentsDeleter> HWC1Contents; 173 174 Display(HWC2On1Adapter& device, HWC2::DisplayType type); 175 176 hwc2_display_t getId() const { return mId; } 177 HWC2On1Adapter& getDevice() const { return mDevice; } 178 179 // Does not require locking because it is set before adding the 180 // Displays to the Adapter's list of displays 181 void setHwc1Id(int32_t id) { mHwc1Id = id; } 182 int32_t getHwc1Id() const { return mHwc1Id; } 183 184 void incDirty() { ++mDirtyCount; } 185 void decDirty() { --mDirtyCount; } 186 bool isDirty() const { return mDirtyCount > 0 || mZIsDirty; } 187 188 // HWC2 Display functions 189 HWC2::Error acceptChanges(); 190 HWC2::Error createLayer(hwc2_layer_t* outLayerId); 191 HWC2::Error destroyLayer(hwc2_layer_t layerId); 192 HWC2::Error getActiveConfig(hwc2_config_t* outConfigId); 193 HWC2::Error getAttribute(hwc2_config_t configId, 194 HWC2::Attribute attribute, int32_t* outValue); 195 HWC2::Error getChangedCompositionTypes(uint32_t* outNumElements, 196 hwc2_layer_t* outLayers, int32_t* outTypes); 197 HWC2::Error getColorModes(uint32_t* outNumModes, int32_t* outModes); 198 HWC2::Error getConfigs(uint32_t* outNumConfigs, 199 hwc2_config_t* outConfigIds); 200 HWC2::Error getDozeSupport(int32_t* outSupport); 201 HWC2::Error getHdrCapabilities(uint32_t* outNumTypes, 202 int32_t* outTypes, float* outMaxLuminance, 203 float* outMaxAverageLuminance, float* outMinLuminance); 204 HWC2::Error getName(uint32_t* outSize, char* outName); 205 HWC2::Error getReleaseFences(uint32_t* outNumElements, 206 hwc2_layer_t* outLayers, int32_t* outFences); 207 HWC2::Error getRequests(int32_t* outDisplayRequests, 208 uint32_t* outNumElements, hwc2_layer_t* outLayers, 209 int32_t* outLayerRequests); 210 HWC2::Error getType(int32_t* outType); 211 HWC2::Error present(int32_t* outRetireFence); 212 HWC2::Error setActiveConfig(hwc2_config_t configId); 213 HWC2::Error setClientTarget(buffer_handle_t target, 214 int32_t acquireFence, int32_t dataspace, 215 hwc_region_t damage); 216 HWC2::Error setColorMode(int32_t mode); 217 HWC2::Error setColorTransform(android_color_transform_t hint); 218 HWC2::Error setOutputBuffer(buffer_handle_t buffer, 219 int32_t releaseFence); 220 HWC2::Error setPowerMode(HWC2::PowerMode mode); 221 HWC2::Error setVsyncEnabled(HWC2::Vsync enabled); 222 HWC2::Error validate(uint32_t* outNumTypes, 223 uint32_t* outNumRequests); 224 225 HWC2::Error updateLayerZ(hwc2_layer_t layerId, uint32_t z); 226 227 // Read configs from HWC1 device 228 void populateConfigs(); 229 230 // Set configs for a virtual display 231 void populateConfigs(uint32_t width, uint32_t height); 232 233 bool prepare(); 234 HWC1Contents cloneRequestedContents() const; 235 void setReceivedContents(HWC1Contents contents); 236 bool hasChanges() const; 237 HWC2::Error set(hwc_display_contents_1& hwcContents); 238 void addRetireFence(int fenceFd); 239 void addReleaseFences(const hwc_display_contents_1& hwcContents); 240 241 bool hasColorTransform() const; 242 243 std::string dump() const; 244 245 private: 246 class Config { 247 public: 248 Config(Display& display) 249 : mDisplay(display), 250 mAttributes() {} 251 252 bool isOnDisplay(const Display& display) const { 253 return display.getId() == mDisplay.getId(); 254 } 255 256 void setAttribute(HWC2::Attribute attribute, int32_t value); 257 int32_t getAttribute(HWC2::Attribute attribute) const; 258 259 void setHwc1Id(uint32_t id); 260 bool hasHwc1Id(uint32_t id) const; 261 int32_t getColorModeForHwc1Id(uint32_t id) const; 262 HWC2::Error getHwc1IdForColorMode(int32_t mode, 263 uint32_t* outId) const; 264 265 void setId(hwc2_config_t id) { mId = id; } 266 hwc2_config_t getId() const { return mId; } 267 268 // Attempts to merge two configs that differ only in color 269 // mode. Returns whether the merge was successful 270 bool merge(const Config& other); 271 272 std::set<int32_t> getColorTransforms() const; 273 274 // splitLine divides the output into two lines suitable for 275 // dumpsys SurfaceFlinger 276 std::string toString(bool splitLine = false) const; 277 278 private: 279 Display& mDisplay; 280 hwc2_config_t mId; 281 std::unordered_map<HWC2::Attribute, int32_t> mAttributes; 282 283 // Maps from color transform to HWC1 config ID 284 std::unordered_map<int32_t, uint32_t> mHwc1Ids; 285 }; 286 287 class Changes { 288 public: 289 uint32_t getNumTypes() const { 290 return static_cast<uint32_t>(mTypeChanges.size()); 291 } 292 293 uint32_t getNumLayerRequests() const { 294 return static_cast<uint32_t>(mLayerRequests.size()); 295 } 296 297 const std::unordered_map<hwc2_layer_t, HWC2::Composition>& 298 getTypeChanges() const { 299 return mTypeChanges; 300 } 301 302 const std::unordered_map<hwc2_layer_t, HWC2::LayerRequest>& 303 getLayerRequests() const { 304 return mLayerRequests; 305 } 306 307 int32_t getDisplayRequests() const { 308 int32_t requests = 0; 309 for (auto request : mDisplayRequests) { 310 requests |= static_cast<int32_t>(request); 311 } 312 return requests; 313 } 314 315 void addTypeChange(hwc2_layer_t layerId, 316 HWC2::Composition type) { 317 mTypeChanges.insert({layerId, type}); 318 } 319 320 void clearTypeChanges() { mTypeChanges.clear(); } 321 322 void addLayerRequest(hwc2_layer_t layerId, 323 HWC2::LayerRequest request) { 324 mLayerRequests.insert({layerId, request}); 325 } 326 327 private: 328 std::unordered_map<hwc2_layer_t, HWC2::Composition> 329 mTypeChanges; 330 std::unordered_map<hwc2_layer_t, HWC2::LayerRequest> 331 mLayerRequests; 332 std::unordered_set<HWC2::DisplayRequest> mDisplayRequests; 333 }; 334 335 std::shared_ptr<const Config> 336 getConfig(hwc2_config_t configId) const; 337 338 void populateColorModes(); 339 void initializeActiveConfig(); 340 341 void reallocateHwc1Contents(); 342 void assignHwc1LayerIds(); 343 344 void updateTypeChanges(const struct hwc_layer_1& hwc1Layer, 345 const Layer& layer); 346 void updateLayerRequests(const struct hwc_layer_1& hwc1Layer, 347 const Layer& layer); 348 349 void prepareFramebufferTarget(); 350 351 static std::atomic<hwc2_display_t> sNextId; 352 const hwc2_display_t mId; 353 HWC2On1Adapter& mDevice; 354 355 std::atomic<size_t> mDirtyCount; 356 357 // The state of this display should only be modified from 358 // SurfaceFlinger's main loop, with the exception of when dump is 359 // called. To prevent a bad state from crashing us during a dump 360 // call, all public calls into Display must acquire this mutex. 361 // 362 // It is recursive because we don't want to deadlock in validate 363 // (or present) when we call HWC2On1Adapter::prepareAllDisplays 364 // (or setAllDisplays), which calls back into Display functions 365 // which require locking. 366 mutable std::recursive_mutex mStateMutex; 367 368 bool mZIsDirty; 369 HWC1Contents mHwc1RequestedContents; 370 HWC1Contents mHwc1ReceivedContents; 371 DeferredFence mRetireFence; 372 373 // Will only be non-null after the layer has been validated but 374 // before it has been presented 375 std::unique_ptr<Changes> mChanges; 376 377 int32_t mHwc1Id; 378 379 std::vector<std::shared_ptr<Config>> mConfigs; 380 std::shared_ptr<const Config> mActiveConfig; 381 std::set<int32_t> mColorModes; 382 int32_t mActiveColorMode; 383 std::string mName; 384 HWC2::DisplayType mType; 385 HWC2::PowerMode mPowerMode; 386 HWC2::Vsync mVsyncEnabled; 387 388 FencedBuffer mClientTarget; 389 FencedBuffer mOutputBuffer; 390 391 bool mHasColorTransform; 392 393 std::multiset<std::shared_ptr<Layer>, SortLayersByZ> mLayers; 394 std::unordered_map<size_t, std::shared_ptr<Layer>> mHwc1LayerMap; 395 }; 396 397 template <typename ...Args> 398 static int32_t callDisplayFunction(hwc2_device_t* device, 399 hwc2_display_t displayId, HWC2::Error (Display::*member)(Args...), 400 Args... args) { 401 auto display = getAdapter(device)->getDisplay(displayId); 402 if (!display) { 403 return static_cast<int32_t>(HWC2::Error::BadDisplay); 404 } 405 auto error = ((*display).*member)(std::forward<Args>(args)...); 406 return static_cast<int32_t>(error); 407 } 408 409 template <typename MF, MF memFunc, typename ...Args> 410 static int32_t displayHook(hwc2_device_t* device, hwc2_display_t displayId, 411 Args... args) { 412 return HWC2On1Adapter::callDisplayFunction(device, displayId, memFunc, 413 std::forward<Args>(args)...); 414 } 415 416 static int32_t getDisplayAttributeHook(hwc2_device_t* device, 417 hwc2_display_t display, hwc2_config_t config, 418 int32_t intAttribute, int32_t* outValue) { 419 auto attribute = static_cast<HWC2::Attribute>(intAttribute); 420 return callDisplayFunction(device, display, &Display::getAttribute, 421 config, attribute, outValue); 422 } 423 424 static int32_t setColorTransformHook(hwc2_device_t* device, 425 hwc2_display_t display, const float* /*matrix*/, 426 int32_t /*android_color_transform_t*/ intHint) { 427 // We intentionally throw away the matrix, because if the hint is 428 // anything other than IDENTITY, we have to fall back to client 429 // composition anyway 430 auto hint = static_cast<android_color_transform_t>(intHint); 431 return callDisplayFunction(device, display, &Display::setColorTransform, 432 hint); 433 } 434 435 static int32_t setPowerModeHook(hwc2_device_t* device, 436 hwc2_display_t display, int32_t intMode) { 437 auto mode = static_cast<HWC2::PowerMode>(intMode); 438 return callDisplayFunction(device, display, &Display::setPowerMode, 439 mode); 440 } 441 442 static int32_t setVsyncEnabledHook(hwc2_device_t* device, 443 hwc2_display_t display, int32_t intEnabled) { 444 auto enabled = static_cast<HWC2::Vsync>(intEnabled); 445 return callDisplayFunction(device, display, &Display::setVsyncEnabled, 446 enabled); 447 } 448 449 // Layer functions 450 451 template <typename T> 452 class LatchedState { 453 public: 454 LatchedState(Layer& parent, T initialValue) 455 : mParent(parent), 456 mPendingValue(initialValue), 457 mValue(initialValue) {} 458 459 void setPending(T value) { 460 if (value == mPendingValue) { 461 return; 462 } 463 if (mPendingValue == mValue) { 464 mParent.incDirty(); 465 } else if (value == mValue) { 466 mParent.decDirty(); 467 } 468 mPendingValue = value; 469 } 470 471 T getValue() const { return mValue; } 472 T getPendingValue() const { return mPendingValue; } 473 474 bool isDirty() const { return mPendingValue != mValue; } 475 476 void latch() { 477 if (isDirty()) { 478 mValue = mPendingValue; 479 mParent.decDirty(); 480 } 481 } 482 483 private: 484 Layer& mParent; 485 T mPendingValue; 486 T mValue; 487 }; 488 489 class Layer { 490 public: 491 Layer(Display& display); 492 493 bool operator==(const Layer& other) { return mId == other.mId; } 494 bool operator!=(const Layer& other) { return !(*this == other); } 495 496 hwc2_layer_t getId() const { return mId; } 497 Display& getDisplay() const { return mDisplay; } 498 499 void incDirty() { if (mDirtyCount++ == 0) mDisplay.incDirty(); } 500 void decDirty() { if (--mDirtyCount == 0) mDisplay.decDirty(); } 501 bool isDirty() const { return mDirtyCount > 0; } 502 503 // HWC2 Layer functions 504 HWC2::Error setBuffer(buffer_handle_t buffer, int32_t acquireFence); 505 HWC2::Error setCursorPosition(int32_t x, int32_t y); 506 HWC2::Error setSurfaceDamage(hwc_region_t damage); 507 508 // HWC2 Layer state functions 509 HWC2::Error setBlendMode(HWC2::BlendMode mode); 510 HWC2::Error setColor(hwc_color_t color); 511 HWC2::Error setCompositionType(HWC2::Composition type); 512 HWC2::Error setDataspace(android_dataspace_t dataspace); 513 HWC2::Error setDisplayFrame(hwc_rect_t frame); 514 HWC2::Error setPlaneAlpha(float alpha); 515 HWC2::Error setSidebandStream(const native_handle_t* stream); 516 HWC2::Error setSourceCrop(hwc_frect_t crop); 517 HWC2::Error setTransform(HWC2::Transform transform); 518 HWC2::Error setVisibleRegion(hwc_region_t visible); 519 HWC2::Error setZ(uint32_t z); 520 521 HWC2::Composition getCompositionType() const { 522 return mCompositionType.getValue(); 523 } 524 uint32_t getZ() const { return mZ; } 525 526 void addReleaseFence(int fenceFd); 527 const sp<Fence>& getReleaseFence() const; 528 529 void setHwc1Id(size_t id) { mHwc1Id = id; } 530 size_t getHwc1Id() const { return mHwc1Id; } 531 532 void applyState(struct hwc_layer_1& hwc1Layer, bool applyAllState); 533 534 std::string dump() const; 535 536 private: 537 void applyCommonState(struct hwc_layer_1& hwc1Layer, 538 bool applyAllState); 539 void applySolidColorState(struct hwc_layer_1& hwc1Layer, 540 bool applyAllState); 541 void applySidebandState(struct hwc_layer_1& hwc1Layer, 542 bool applyAllState); 543 void applyBufferState(struct hwc_layer_1& hwc1Layer); 544 void applyCompositionType(struct hwc_layer_1& hwc1Layer, 545 bool applyAllState); 546 547 static std::atomic<hwc2_layer_t> sNextId; 548 const hwc2_layer_t mId; 549 Display& mDisplay; 550 size_t mDirtyCount; 551 552 FencedBuffer mBuffer; 553 std::vector<hwc_rect_t> mSurfaceDamage; 554 555 LatchedState<HWC2::BlendMode> mBlendMode; 556 LatchedState<hwc_color_t> mColor; 557 LatchedState<HWC2::Composition> mCompositionType; 558 LatchedState<hwc_rect_t> mDisplayFrame; 559 LatchedState<float> mPlaneAlpha; 560 LatchedState<const native_handle_t*> mSidebandStream; 561 LatchedState<hwc_frect_t> mSourceCrop; 562 LatchedState<HWC2::Transform> mTransform; 563 LatchedState<std::vector<hwc_rect_t>> mVisibleRegion; 564 uint32_t mZ; 565 566 DeferredFence mReleaseFence; 567 568 size_t mHwc1Id; 569 bool mHasUnsupportedDataspace; 570 bool mHasUnsupportedPlaneAlpha; 571 }; 572 573 template <typename ...Args> 574 static int32_t callLayerFunction(hwc2_device_t* device, 575 hwc2_display_t displayId, hwc2_layer_t layerId, 576 HWC2::Error (Layer::*member)(Args...), Args... args) { 577 auto result = getAdapter(device)->getLayer(displayId, layerId); 578 auto error = std::get<HWC2::Error>(result); 579 if (error == HWC2::Error::None) { 580 auto layer = std::get<Layer*>(result); 581 error = ((*layer).*member)(std::forward<Args>(args)...); 582 } 583 return static_cast<int32_t>(error); 584 } 585 586 template <typename MF, MF memFunc, typename ...Args> 587 static int32_t layerHook(hwc2_device_t* device, hwc2_display_t displayId, 588 hwc2_layer_t layerId, Args... args) { 589 return HWC2On1Adapter::callLayerFunction(device, displayId, layerId, 590 memFunc, std::forward<Args>(args)...); 591 } 592 593 // Layer state functions 594 595 static int32_t setLayerBlendModeHook(hwc2_device_t* device, 596 hwc2_display_t display, hwc2_layer_t layer, int32_t intMode) { 597 auto mode = static_cast<HWC2::BlendMode>(intMode); 598 return callLayerFunction(device, display, layer, 599 &Layer::setBlendMode, mode); 600 } 601 602 static int32_t setLayerCompositionTypeHook(hwc2_device_t* device, 603 hwc2_display_t display, hwc2_layer_t layer, int32_t intType) { 604 auto type = static_cast<HWC2::Composition>(intType); 605 return callLayerFunction(device, display, layer, 606 &Layer::setCompositionType, type); 607 } 608 609 static int32_t setLayerDataspaceHook(hwc2_device_t* device, 610 hwc2_display_t display, hwc2_layer_t layer, int32_t intDataspace) { 611 auto dataspace = static_cast<android_dataspace_t>(intDataspace); 612 return callLayerFunction(device, display, layer, &Layer::setDataspace, 613 dataspace); 614 } 615 616 static int32_t setLayerTransformHook(hwc2_device_t* device, 617 hwc2_display_t display, hwc2_layer_t layer, int32_t intTransform) { 618 auto transform = static_cast<HWC2::Transform>(intTransform); 619 return callLayerFunction(device, display, layer, &Layer::setTransform, 620 transform); 621 } 622 623 static int32_t setLayerZOrderHook(hwc2_device_t* device, 624 hwc2_display_t display, hwc2_layer_t layer, uint32_t z) { 625 return callDisplayFunction(device, display, &Display::updateLayerZ, 626 layer, z); 627 } 628 629 // Adapter internals 630 631 void populateCapabilities(); 632 Display* getDisplay(hwc2_display_t id); 633 std::tuple<Layer*, HWC2::Error> getLayer(hwc2_display_t displayId, 634 hwc2_layer_t layerId); 635 void populatePrimary(); 636 637 bool prepareAllDisplays(); 638 std::vector<struct hwc_display_contents_1*> mHwc1Contents; 639 HWC2::Error setAllDisplays(); 640 641 void hwc1Invalidate(); 642 void hwc1Vsync(int hwc1DisplayId, int64_t timestamp); 643 void hwc1Hotplug(int hwc1DisplayId, int connected); 644 645 // These are set in the constructor and before any asynchronous events are 646 // possible 647 648 struct hwc_composer_device_1* const mHwc1Device; 649 const uint8_t mHwc1MinorVersion; 650 bool mHwc1SupportsVirtualDisplays; 651 652 class Callbacks; 653 const std::unique_ptr<Callbacks> mHwc1Callbacks; 654 655 std::unordered_set<HWC2::Capability> mCapabilities; 656 657 // These are only accessed from the main SurfaceFlinger thread (not from 658 // callbacks or dump 659 660 std::map<hwc2_layer_t, std::shared_ptr<Layer>> mLayers; 661 std::shared_ptr<Display> mHwc1VirtualDisplay; 662 663 // These are potentially accessed from multiple threads, and are protected 664 // by this mutex. This needs to be recursive, since the HWC1 implementation 665 // can call back into the invalidate callback on the same thread that is 666 // calling prepare. 667 std::recursive_timed_mutex mStateMutex; 668 669 struct CallbackInfo { 670 hwc2_callback_data_t data; 671 hwc2_function_pointer_t pointer; 672 }; 673 std::unordered_map<HWC2::Callback, CallbackInfo> mCallbacks; 674 bool mHasPendingInvalidate; 675 std::vector<std::pair<int, int64_t>> mPendingVsyncs; 676 std::vector<std::pair<int, int>> mPendingHotplugs; 677 678 std::map<hwc2_display_t, std::shared_ptr<Display>> mDisplays; 679 std::unordered_map<int, hwc2_display_t> mHwc1DisplayMap; 680 }; 681 682 } // namespace android 683 684 #endif 685
