1/* 2 * Copyright (C) 2010 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#define ATRACE_TAG ATRACE_TAG_GRAPHICS 18 19#include <inttypes.h> 20#include <math.h> 21#include <stdint.h> 22#include <stdio.h> 23#include <stdlib.h> 24#include <string.h> 25#include <sys/types.h> 26 27#include <utils/Errors.h> 28#include <utils/misc.h> 29#include <utils/NativeHandle.h> 30#include <utils/String8.h> 31#include <utils/Thread.h> 32#include <utils/Trace.h> 33#include <utils/Vector.h> 34 35#include <ui/GraphicBuffer.h> 36 37#include <hardware/hardware.h> 38#include <hardware/hwcomposer.h> 39 40#include <android/configuration.h> 41 42#include <cutils/log.h> 43#include <cutils/properties.h> 44 45#include "HWComposer.h" 46 47#include "../Layer.h" // needed only for debugging 48#include "../SurfaceFlinger.h" 49 50namespace android { 51 52#define MIN_HWC_HEADER_VERSION HWC_HEADER_VERSION 53 54static uint32_t hwcApiVersion(const hwc_composer_device_1_t* hwc) { 55 uint32_t hwcVersion = hwc->common.version; 56 return hwcVersion & HARDWARE_API_VERSION_2_MAJ_MIN_MASK; 57} 58 59static uint32_t hwcHeaderVersion(const hwc_composer_device_1_t* hwc) { 60 uint32_t hwcVersion = hwc->common.version; 61 return hwcVersion & HARDWARE_API_VERSION_2_HEADER_MASK; 62} 63 64static bool hwcHasApiVersion(const hwc_composer_device_1_t* hwc, 65 uint32_t version) { 66 return hwcApiVersion(hwc) >= (version & HARDWARE_API_VERSION_2_MAJ_MIN_MASK); 67} 68 69// --------------------------------------------------------------------------- 70 71struct HWComposer::cb_context { 72 struct callbacks : public hwc_procs_t { 73 // these are here to facilitate the transition when adding 74 // new callbacks (an implementation can check for NULL before 75 // calling a new callback). 76 void (*zero[4])(void); 77 }; 78 callbacks procs; 79 HWComposer* hwc; 80}; 81 82// --------------------------------------------------------------------------- 83 84HWComposer::HWComposer( 85 const sp<SurfaceFlinger>& flinger, 86 EventHandler& handler) 87 : mFlinger(flinger), 88 mFbDev(0), mHwc(0), mNumDisplays(1), 89 mCBContext(new cb_context), 90 mEventHandler(handler), 91 mDebugForceFakeVSync(false) 92{ 93 for (size_t i =0 ; i<MAX_HWC_DISPLAYS ; i++) { 94 mLists[i] = 0; 95 } 96 97 for (size_t i=0 ; i<HWC_NUM_PHYSICAL_DISPLAY_TYPES ; i++) { 98 mLastHwVSync[i] = 0; 99 mVSyncCounts[i] = 0; 100 } 101 102 char value[PROPERTY_VALUE_MAX]; 103 property_get("debug.sf.no_hw_vsync", value, "0"); 104 mDebugForceFakeVSync = atoi(value); 105 106 bool needVSyncThread = true; 107 108 // Note: some devices may insist that the FB HAL be opened before HWC. 109 int fberr = loadFbHalModule(); 110 loadHwcModule(); 111 112 if (mFbDev && mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 113 // close FB HAL if we don't needed it. 114 // FIXME: this is temporary until we're not forced to open FB HAL 115 // before HWC. 116 framebuffer_close(mFbDev); 117 mFbDev = NULL; 118 } 119 120 // If we have no HWC, or a pre-1.1 HWC, an FB dev is mandatory. 121 if ((!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) 122 && !mFbDev) { 123 ALOGE("ERROR: failed to open framebuffer (%s), aborting", 124 strerror(-fberr)); 125 abort(); 126 } 127 128 // these display IDs are always reserved 129 for (size_t i=0 ; i<NUM_BUILTIN_DISPLAYS ; i++) { 130 mAllocatedDisplayIDs.markBit(i); 131 } 132 133 if (mHwc) { 134 ALOGI("Using %s version %u.%u", HWC_HARDWARE_COMPOSER, 135 (hwcApiVersion(mHwc) >> 24) & 0xff, 136 (hwcApiVersion(mHwc) >> 16) & 0xff); 137 if (mHwc->registerProcs) { 138 mCBContext->hwc = this; 139 mCBContext->procs.invalidate = &hook_invalidate; 140 mCBContext->procs.vsync = &hook_vsync; 141 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) 142 mCBContext->procs.hotplug = &hook_hotplug; 143 else 144 mCBContext->procs.hotplug = NULL; 145 memset(mCBContext->procs.zero, 0, sizeof(mCBContext->procs.zero)); 146 mHwc->registerProcs(mHwc, &mCBContext->procs); 147 } 148 149 // don't need a vsync thread if we have a hardware composer 150 needVSyncThread = false; 151 // always turn vsync off when we start 152 eventControl(HWC_DISPLAY_PRIMARY, HWC_EVENT_VSYNC, 0); 153 154 // the number of displays we actually have depends on the 155 // hw composer version 156 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 157 // 1.3 adds support for virtual displays 158 mNumDisplays = MAX_HWC_DISPLAYS; 159 } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 160 // 1.1 adds support for multiple displays 161 mNumDisplays = NUM_BUILTIN_DISPLAYS; 162 } else { 163 mNumDisplays = 1; 164 } 165 } 166 167 if (mFbDev) { 168 ALOG_ASSERT(!(mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)), 169 "should only have fbdev if no hwc or hwc is 1.0"); 170 171 DisplayData& disp(mDisplayData[HWC_DISPLAY_PRIMARY]); 172 disp.connected = true; 173 disp.format = mFbDev->format; 174 DisplayConfig config = DisplayConfig(); 175 config.width = mFbDev->width; 176 config.height = mFbDev->height; 177 config.xdpi = mFbDev->xdpi; 178 config.ydpi = mFbDev->ydpi; 179 config.refresh = nsecs_t(1e9 / mFbDev->fps); 180 disp.configs.push_back(config); 181 disp.currentConfig = 0; 182 } else if (mHwc) { 183 // here we're guaranteed to have at least HWC 1.1 184 for (size_t i =0 ; i<NUM_BUILTIN_DISPLAYS ; i++) { 185 queryDisplayProperties(i); 186 } 187 } 188 189 if (needVSyncThread) { 190 // we don't have VSYNC support, we need to fake it 191 mVSyncThread = new VSyncThread(*this); 192 } 193} 194 195HWComposer::~HWComposer() { 196 if (mHwc) { 197 eventControl(HWC_DISPLAY_PRIMARY, HWC_EVENT_VSYNC, 0); 198 } 199 if (mVSyncThread != NULL) { 200 mVSyncThread->requestExitAndWait(); 201 } 202 if (mHwc) { 203 hwc_close_1(mHwc); 204 } 205 if (mFbDev) { 206 framebuffer_close(mFbDev); 207 } 208 delete mCBContext; 209} 210 211// Load and prepare the hardware composer module. Sets mHwc. 212void HWComposer::loadHwcModule() 213{ 214 hw_module_t const* module; 215 216 if (hw_get_module(HWC_HARDWARE_MODULE_ID, &module) != 0) { 217 ALOGE("%s module not found", HWC_HARDWARE_MODULE_ID); 218 return; 219 } 220 221 int err = hwc_open_1(module, &mHwc); 222 if (err) { 223 ALOGE("%s device failed to initialize (%s)", 224 HWC_HARDWARE_COMPOSER, strerror(-err)); 225 return; 226 } 227 228 if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0) || 229 hwcHeaderVersion(mHwc) < MIN_HWC_HEADER_VERSION || 230 hwcHeaderVersion(mHwc) > HWC_HEADER_VERSION) { 231 ALOGE("%s device version %#x unsupported, will not be used", 232 HWC_HARDWARE_COMPOSER, mHwc->common.version); 233 hwc_close_1(mHwc); 234 mHwc = NULL; 235 return; 236 } 237} 238 239// Load and prepare the FB HAL, which uses the gralloc module. Sets mFbDev. 240int HWComposer::loadFbHalModule() 241{ 242 hw_module_t const* module; 243 244 int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module); 245 if (err != 0) { 246 ALOGE("%s module not found", GRALLOC_HARDWARE_MODULE_ID); 247 return err; 248 } 249 250 return framebuffer_open(module, &mFbDev); 251} 252 253status_t HWComposer::initCheck() const { 254 return mHwc ? NO_ERROR : NO_INIT; 255} 256 257void HWComposer::hook_invalidate(const struct hwc_procs* procs) { 258 cb_context* ctx = reinterpret_cast<cb_context*>( 259 const_cast<hwc_procs_t*>(procs)); 260 ctx->hwc->invalidate(); 261} 262 263void HWComposer::hook_vsync(const struct hwc_procs* procs, int disp, 264 int64_t timestamp) { 265 cb_context* ctx = reinterpret_cast<cb_context*>( 266 const_cast<hwc_procs_t*>(procs)); 267 ctx->hwc->vsync(disp, timestamp); 268} 269 270void HWComposer::hook_hotplug(const struct hwc_procs* procs, int disp, 271 int connected) { 272 cb_context* ctx = reinterpret_cast<cb_context*>( 273 const_cast<hwc_procs_t*>(procs)); 274 ctx->hwc->hotplug(disp, connected); 275} 276 277void HWComposer::invalidate() { 278 mFlinger->repaintEverything(); 279} 280 281void HWComposer::vsync(int disp, int64_t timestamp) { 282 if (uint32_t(disp) < HWC_NUM_PHYSICAL_DISPLAY_TYPES) { 283 { 284 Mutex::Autolock _l(mLock); 285 286 // There have been reports of HWCs that signal several vsync events 287 // with the same timestamp when turning the display off and on. This 288 // is a bug in the HWC implementation, but filter the extra events 289 // out here so they don't cause havoc downstream. 290 if (timestamp == mLastHwVSync[disp]) { 291 ALOGW("Ignoring duplicate VSYNC event from HWC (t=%" PRId64 ")", 292 timestamp); 293 return; 294 } 295 296 mLastHwVSync[disp] = timestamp; 297 } 298 299 char tag[16]; 300 snprintf(tag, sizeof(tag), "HW_VSYNC_%1u", disp); 301 ATRACE_INT(tag, ++mVSyncCounts[disp] & 1); 302 303 mEventHandler.onVSyncReceived(disp, timestamp); 304 } 305} 306 307void HWComposer::hotplug(int disp, int connected) { 308 if (disp >= VIRTUAL_DISPLAY_ID_BASE) { 309 ALOGE("hotplug event received for invalid display: disp=%d connected=%d", 310 disp, connected); 311 return; 312 } 313 queryDisplayProperties(disp); 314 // Do not teardown or recreate the primary display 315 if (disp != HWC_DISPLAY_PRIMARY) { 316 mEventHandler.onHotplugReceived(disp, bool(connected)); 317 } 318} 319 320static float getDefaultDensity(uint32_t width, uint32_t height) { 321 // Default density is based on TVs: 1080p displays get XHIGH density, 322 // lower-resolution displays get TV density. Maybe eventually we'll need 323 // to update it for 4K displays, though hopefully those just report 324 // accurate DPI information to begin with. This is also used for virtual 325 // displays and even primary displays with older hwcomposers, so be 326 // careful about orientation. 327 328 uint32_t h = width < height ? width : height; 329 if (h >= 1080) return ACONFIGURATION_DENSITY_XHIGH; 330 else return ACONFIGURATION_DENSITY_TV; 331} 332 333static const uint32_t DISPLAY_ATTRIBUTES[] = { 334 HWC_DISPLAY_VSYNC_PERIOD, 335 HWC_DISPLAY_WIDTH, 336 HWC_DISPLAY_HEIGHT, 337 HWC_DISPLAY_DPI_X, 338 HWC_DISPLAY_DPI_Y, 339 HWC_DISPLAY_NO_ATTRIBUTE, 340}; 341#define NUM_DISPLAY_ATTRIBUTES (sizeof(DISPLAY_ATTRIBUTES) / sizeof(DISPLAY_ATTRIBUTES)[0]) 342 343status_t HWComposer::queryDisplayProperties(int disp) { 344 345 LOG_ALWAYS_FATAL_IF(!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)); 346 347 // use zero as default value for unspecified attributes 348 int32_t values[NUM_DISPLAY_ATTRIBUTES - 1]; 349 memset(values, 0, sizeof(values)); 350 351 const size_t MAX_NUM_CONFIGS = 128; 352 uint32_t configs[MAX_NUM_CONFIGS] = {0}; 353 size_t numConfigs = MAX_NUM_CONFIGS; 354 status_t err = mHwc->getDisplayConfigs(mHwc, disp, configs, &numConfigs); 355 if (err != NO_ERROR) { 356 // this can happen if an unpluggable display is not connected 357 mDisplayData[disp].connected = false; 358 return err; 359 } 360 361 mDisplayData[disp].currentConfig = 0; 362 for (size_t c = 0; c < numConfigs; ++c) { 363 err = mHwc->getDisplayAttributes(mHwc, disp, configs[c], 364 DISPLAY_ATTRIBUTES, values); 365 if (err != NO_ERROR) { 366 // we can't get this display's info. turn it off. 367 mDisplayData[disp].connected = false; 368 return err; 369 } 370 371 DisplayConfig config = DisplayConfig(); 372 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 373 switch (DISPLAY_ATTRIBUTES[i]) { 374 case HWC_DISPLAY_VSYNC_PERIOD: 375 config.refresh = nsecs_t(values[i]); 376 break; 377 case HWC_DISPLAY_WIDTH: 378 config.width = values[i]; 379 break; 380 case HWC_DISPLAY_HEIGHT: 381 config.height = values[i]; 382 break; 383 case HWC_DISPLAY_DPI_X: 384 config.xdpi = values[i] / 1000.0f; 385 break; 386 case HWC_DISPLAY_DPI_Y: 387 config.ydpi = values[i] / 1000.0f; 388 break; 389 default: 390 ALOG_ASSERT(false, "unknown display attribute[%zu] %#x", 391 i, DISPLAY_ATTRIBUTES[i]); 392 break; 393 } 394 } 395 396 if (config.xdpi == 0.0f || config.ydpi == 0.0f) { 397 float dpi = getDefaultDensity(config.width, config.height); 398 config.xdpi = dpi; 399 config.ydpi = dpi; 400 } 401 402 mDisplayData[disp].configs.push_back(config); 403 } 404 405 // FIXME: what should we set the format to? 406 mDisplayData[disp].format = HAL_PIXEL_FORMAT_RGBA_8888; 407 mDisplayData[disp].connected = true; 408 return NO_ERROR; 409} 410 411status_t HWComposer::setVirtualDisplayProperties(int32_t id, 412 uint32_t w, uint32_t h, uint32_t format) { 413 if (id < VIRTUAL_DISPLAY_ID_BASE || id >= int32_t(mNumDisplays) || 414 !mAllocatedDisplayIDs.hasBit(id)) { 415 return BAD_INDEX; 416 } 417 size_t configId = mDisplayData[id].currentConfig; 418 mDisplayData[id].format = format; 419 DisplayConfig& config = mDisplayData[id].configs.editItemAt(configId); 420 config.width = w; 421 config.height = h; 422 config.xdpi = config.ydpi = getDefaultDensity(w, h); 423 return NO_ERROR; 424} 425 426int32_t HWComposer::allocateDisplayId() { 427 if (mAllocatedDisplayIDs.count() >= mNumDisplays) { 428 return NO_MEMORY; 429 } 430 int32_t id = mAllocatedDisplayIDs.firstUnmarkedBit(); 431 mAllocatedDisplayIDs.markBit(id); 432 mDisplayData[id].connected = true; 433 mDisplayData[id].configs.resize(1); 434 mDisplayData[id].currentConfig = 0; 435 return id; 436} 437 438status_t HWComposer::freeDisplayId(int32_t id) { 439 if (id < NUM_BUILTIN_DISPLAYS) { 440 // cannot free the reserved IDs 441 return BAD_VALUE; 442 } 443 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 444 return BAD_INDEX; 445 } 446 mAllocatedDisplayIDs.clearBit(id); 447 mDisplayData[id].connected = false; 448 return NO_ERROR; 449} 450 451nsecs_t HWComposer::getRefreshTimestamp(int disp) const { 452 // this returns the last refresh timestamp. 453 // if the last one is not available, we estimate it based on 454 // the refresh period and whatever closest timestamp we have. 455 Mutex::Autolock _l(mLock); 456 nsecs_t now = systemTime(CLOCK_MONOTONIC); 457 size_t configId = mDisplayData[disp].currentConfig; 458 return now - ((now - mLastHwVSync[disp]) % 459 mDisplayData[disp].configs[configId].refresh); 460} 461 462sp<Fence> HWComposer::getDisplayFence(int disp) const { 463 return mDisplayData[disp].lastDisplayFence; 464} 465 466uint32_t HWComposer::getFormat(int disp) const { 467 if (static_cast<uint32_t>(disp) >= MAX_HWC_DISPLAYS || !mAllocatedDisplayIDs.hasBit(disp)) { 468 return HAL_PIXEL_FORMAT_RGBA_8888; 469 } else { 470 return mDisplayData[disp].format; 471 } 472} 473 474bool HWComposer::isConnected(int disp) const { 475 return mDisplayData[disp].connected; 476} 477 478uint32_t HWComposer::getWidth(int disp) const { 479 size_t currentConfig = mDisplayData[disp].currentConfig; 480 return mDisplayData[disp].configs[currentConfig].width; 481} 482 483uint32_t HWComposer::getHeight(int disp) const { 484 size_t currentConfig = mDisplayData[disp].currentConfig; 485 return mDisplayData[disp].configs[currentConfig].height; 486} 487 488float HWComposer::getDpiX(int disp) const { 489 size_t currentConfig = mDisplayData[disp].currentConfig; 490 return mDisplayData[disp].configs[currentConfig].xdpi; 491} 492 493float HWComposer::getDpiY(int disp) const { 494 size_t currentConfig = mDisplayData[disp].currentConfig; 495 return mDisplayData[disp].configs[currentConfig].ydpi; 496} 497 498nsecs_t HWComposer::getRefreshPeriod(int disp) const { 499 size_t currentConfig = mDisplayData[disp].currentConfig; 500 return mDisplayData[disp].configs[currentConfig].refresh; 501} 502 503const Vector<HWComposer::DisplayConfig>& HWComposer::getConfigs(int disp) const { 504 return mDisplayData[disp].configs; 505} 506 507size_t HWComposer::getCurrentConfig(int disp) const { 508 return mDisplayData[disp].currentConfig; 509} 510 511void HWComposer::eventControl(int disp, int event, int enabled) { 512 if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) { 513 ALOGD("eventControl ignoring event %d on unallocated disp %d (en=%d)", 514 event, disp, enabled); 515 return; 516 } 517 if (event != EVENT_VSYNC) { 518 ALOGW("eventControl got unexpected event %d (disp=%d en=%d)", 519 event, disp, enabled); 520 return; 521 } 522 status_t err = NO_ERROR; 523 if (mHwc && !mDebugForceFakeVSync) { 524 // NOTE: we use our own internal lock here because we have to call 525 // into the HWC with the lock held, and we want to make sure 526 // that even if HWC blocks (which it shouldn't), it won't 527 // affect other threads. 528 Mutex::Autolock _l(mEventControlLock); 529 const int32_t eventBit = 1UL << event; 530 const int32_t newValue = enabled ? eventBit : 0; 531 const int32_t oldValue = mDisplayData[disp].events & eventBit; 532 if (newValue != oldValue) { 533 ATRACE_CALL(); 534 err = mHwc->eventControl(mHwc, disp, event, enabled); 535 if (!err) { 536 int32_t& events(mDisplayData[disp].events); 537 events = (events & ~eventBit) | newValue; 538 539 char tag[16]; 540 snprintf(tag, sizeof(tag), "HW_VSYNC_ON_%1u", disp); 541 ATRACE_INT(tag, enabled); 542 } 543 } 544 // error here should not happen -- not sure what we should 545 // do if it does. 546 ALOGE_IF(err, "eventControl(%d, %d) failed %s", 547 event, enabled, strerror(-err)); 548 } 549 550 if (err == NO_ERROR && mVSyncThread != NULL) { 551 mVSyncThread->setEnabled(enabled); 552 } 553} 554 555status_t HWComposer::createWorkList(int32_t id, size_t numLayers) { 556 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 557 return BAD_INDEX; 558 } 559 560 if (mHwc) { 561 DisplayData& disp(mDisplayData[id]); 562 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 563 // we need space for the HWC_FRAMEBUFFER_TARGET 564 numLayers++; 565 } 566 if (disp.capacity < numLayers || disp.list == NULL) { 567 size_t size = sizeof(hwc_display_contents_1_t) 568 + numLayers * sizeof(hwc_layer_1_t); 569 free(disp.list); 570 disp.list = (hwc_display_contents_1_t*)malloc(size); 571 disp.capacity = numLayers; 572 } 573 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 574 disp.framebufferTarget = &disp.list->hwLayers[numLayers - 1]; 575 memset(disp.framebufferTarget, 0, sizeof(hwc_layer_1_t)); 576 const DisplayConfig& currentConfig = 577 disp.configs[disp.currentConfig]; 578 const hwc_rect_t r = { 0, 0, 579 (int) currentConfig.width, (int) currentConfig.height }; 580 disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET; 581 disp.framebufferTarget->hints = 0; 582 disp.framebufferTarget->flags = 0; 583 disp.framebufferTarget->handle = disp.fbTargetHandle; 584 disp.framebufferTarget->transform = 0; 585 disp.framebufferTarget->blending = HWC_BLENDING_PREMULT; 586 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 587 disp.framebufferTarget->sourceCropf.left = 0; 588 disp.framebufferTarget->sourceCropf.top = 0; 589 disp.framebufferTarget->sourceCropf.right = 590 currentConfig.width; 591 disp.framebufferTarget->sourceCropf.bottom = 592 currentConfig.height; 593 } else { 594 disp.framebufferTarget->sourceCrop = r; 595 } 596 disp.framebufferTarget->displayFrame = r; 597 disp.framebufferTarget->visibleRegionScreen.numRects = 1; 598 disp.framebufferTarget->visibleRegionScreen.rects = 599 &disp.framebufferTarget->displayFrame; 600 disp.framebufferTarget->acquireFenceFd = -1; 601 disp.framebufferTarget->releaseFenceFd = -1; 602 disp.framebufferTarget->planeAlpha = 0xFF; 603 } 604 disp.list->retireFenceFd = -1; 605 disp.list->flags = HWC_GEOMETRY_CHANGED; 606 disp.list->numHwLayers = numLayers; 607 } 608 return NO_ERROR; 609} 610 611status_t HWComposer::setFramebufferTarget(int32_t id, 612 const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buf) { 613 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 614 return BAD_INDEX; 615 } 616 DisplayData& disp(mDisplayData[id]); 617 if (!disp.framebufferTarget) { 618 // this should never happen, but apparently eglCreateWindowSurface() 619 // triggers a Surface::queueBuffer() on some 620 // devices (!?) -- log and ignore. 621 ALOGE("HWComposer: framebufferTarget is null"); 622 return NO_ERROR; 623 } 624 625 int acquireFenceFd = -1; 626 if (acquireFence->isValid()) { 627 acquireFenceFd = acquireFence->dup(); 628 } 629 630 // ALOGD("fbPost: handle=%p, fence=%d", buf->handle, acquireFenceFd); 631 disp.fbTargetHandle = buf->handle; 632 disp.framebufferTarget->handle = disp.fbTargetHandle; 633 disp.framebufferTarget->acquireFenceFd = acquireFenceFd; 634 return NO_ERROR; 635} 636 637status_t HWComposer::prepare() { 638 Mutex::Autolock _l(mDisplayLock); 639 for (size_t i=0 ; i<mNumDisplays ; i++) { 640 DisplayData& disp(mDisplayData[i]); 641 if (disp.framebufferTarget) { 642 // make sure to reset the type to HWC_FRAMEBUFFER_TARGET 643 // DO NOT reset the handle field to NULL, because it's possible 644 // that we have nothing to redraw (eg: eglSwapBuffers() not called) 645 // in which case, we should continue to use the same buffer. 646 LOG_FATAL_IF(disp.list == NULL); 647 disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET; 648 } 649 if (!disp.connected && disp.list != NULL) { 650 ALOGW("WARNING: disp %zu: connected, non-null list, layers=%zu", 651 i, disp.list->numHwLayers); 652 } 653 mLists[i] = disp.list; 654 if (mLists[i]) { 655 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 656 mLists[i]->outbuf = disp.outbufHandle; 657 mLists[i]->outbufAcquireFenceFd = -1; 658 } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 659 // garbage data to catch improper use 660 mLists[i]->dpy = (hwc_display_t)0xDEADBEEF; 661 mLists[i]->sur = (hwc_surface_t)0xDEADBEEF; 662 } else { 663 mLists[i]->dpy = EGL_NO_DISPLAY; 664 mLists[i]->sur = EGL_NO_SURFACE; 665 } 666 } 667 } 668 669 int err = mHwc->prepare(mHwc, mNumDisplays, mLists); 670 ALOGE_IF(err, "HWComposer: prepare failed (%s)", strerror(-err)); 671 672 if (err == NO_ERROR) { 673 // here we're just making sure that "skip" layers are set 674 // to HWC_FRAMEBUFFER and we're also counting how many layers 675 // we have of each type. 676 // 677 // If there are no window layers, we treat the display has having FB 678 // composition, because SurfaceFlinger will use GLES to draw the 679 // wormhole region. 680 for (size_t i=0 ; i<mNumDisplays ; i++) { 681 DisplayData& disp(mDisplayData[i]); 682 disp.hasFbComp = false; 683 disp.hasOvComp = false; 684 if (disp.list) { 685 for (size_t i=0 ; i<disp.list->numHwLayers ; i++) { 686 hwc_layer_1_t& l = disp.list->hwLayers[i]; 687 688 //ALOGD("prepare: %d, type=%d, handle=%p", 689 // i, l.compositionType, l.handle); 690 691 if (l.flags & HWC_SKIP_LAYER) { 692 l.compositionType = HWC_FRAMEBUFFER; 693 } 694 if (l.compositionType == HWC_FRAMEBUFFER) { 695 disp.hasFbComp = true; 696 } 697 if (l.compositionType == HWC_OVERLAY) { 698 disp.hasOvComp = true; 699 } 700 if (l.compositionType == HWC_CURSOR_OVERLAY) { 701 disp.hasOvComp = true; 702 } 703 } 704 if (disp.list->numHwLayers == (disp.framebufferTarget ? 1 : 0)) { 705 disp.hasFbComp = true; 706 } 707 } else { 708 disp.hasFbComp = true; 709 } 710 } 711 } 712 return (status_t)err; 713} 714 715bool HWComposer::hasHwcComposition(int32_t id) const { 716 if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 717 return false; 718 return mDisplayData[id].hasOvComp; 719} 720 721bool HWComposer::hasGlesComposition(int32_t id) const { 722 if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 723 return true; 724 return mDisplayData[id].hasFbComp; 725} 726 727sp<Fence> HWComposer::getAndResetReleaseFence(int32_t id) { 728 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 729 return Fence::NO_FENCE; 730 731 int fd = INVALID_OPERATION; 732 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 733 const DisplayData& disp(mDisplayData[id]); 734 if (disp.framebufferTarget) { 735 fd = disp.framebufferTarget->releaseFenceFd; 736 disp.framebufferTarget->acquireFenceFd = -1; 737 disp.framebufferTarget->releaseFenceFd = -1; 738 } 739 } 740 return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE; 741} 742 743status_t HWComposer::commit() { 744 int err = NO_ERROR; 745 if (mHwc) { 746 if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 747 // On version 1.0, the OpenGL ES target surface is communicated 748 // by the (dpy, sur) fields and we are guaranteed to have only 749 // a single display. 750 mLists[0]->dpy = eglGetCurrentDisplay(); 751 mLists[0]->sur = eglGetCurrentSurface(EGL_DRAW); 752 } 753 754 for (size_t i=VIRTUAL_DISPLAY_ID_BASE; i<mNumDisplays; i++) { 755 DisplayData& disp(mDisplayData[i]); 756 if (disp.outbufHandle) { 757 mLists[i]->outbuf = disp.outbufHandle; 758 mLists[i]->outbufAcquireFenceFd = 759 disp.outbufAcquireFence->dup(); 760 } 761 } 762 763 err = mHwc->set(mHwc, mNumDisplays, mLists); 764 765 for (size_t i=0 ; i<mNumDisplays ; i++) { 766 DisplayData& disp(mDisplayData[i]); 767 disp.lastDisplayFence = disp.lastRetireFence; 768 disp.lastRetireFence = Fence::NO_FENCE; 769 if (disp.list) { 770 if (disp.list->retireFenceFd != -1) { 771 disp.lastRetireFence = new Fence(disp.list->retireFenceFd); 772 disp.list->retireFenceFd = -1; 773 } 774 disp.list->flags &= ~HWC_GEOMETRY_CHANGED; 775 } 776 } 777 } 778 return (status_t)err; 779} 780 781status_t HWComposer::setPowerMode(int disp, int mode) { 782 LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE); 783 if (mHwc) { 784 if (mode == HWC_POWER_MODE_OFF) { 785 eventControl(disp, HWC_EVENT_VSYNC, 0); 786 } 787 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 788 return (status_t)mHwc->setPowerMode(mHwc, disp, mode); 789 } else { 790 return (status_t)mHwc->blank(mHwc, disp, 791 mode == HWC_POWER_MODE_OFF ? 1 : 0); 792 } 793 } 794 return NO_ERROR; 795} 796 797status_t HWComposer::setActiveConfig(int disp, int mode) { 798 LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE); 799 DisplayData& dd(mDisplayData[disp]); 800 dd.currentConfig = mode; 801 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 802 return (status_t)mHwc->setActiveConfig(mHwc, disp, mode); 803 } else { 804 LOG_FATAL_IF(mode != 0); 805 } 806 return NO_ERROR; 807} 808 809void HWComposer::disconnectDisplay(int disp) { 810 LOG_ALWAYS_FATAL_IF(disp < 0 || disp == HWC_DISPLAY_PRIMARY); 811 DisplayData& dd(mDisplayData[disp]); 812 free(dd.list); 813 dd.list = NULL; 814 dd.framebufferTarget = NULL; // points into dd.list 815 dd.fbTargetHandle = NULL; 816 dd.outbufHandle = NULL; 817 dd.lastRetireFence = Fence::NO_FENCE; 818 dd.lastDisplayFence = Fence::NO_FENCE; 819 dd.outbufAcquireFence = Fence::NO_FENCE; 820 // clear all the previous configs and repopulate when a new 821 // device is added 822 dd.configs.clear(); 823} 824 825int HWComposer::getVisualID() const { 826 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 827 // FIXME: temporary hack until HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED 828 // is supported by the implementation. we can only be in this case 829 // if we have HWC 1.1 830 return HAL_PIXEL_FORMAT_RGBA_8888; 831 //return HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 832 } else { 833 return mFbDev->format; 834 } 835} 836 837bool HWComposer::supportsFramebufferTarget() const { 838 return (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)); 839} 840 841int HWComposer::fbPost(int32_t id, 842 const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buffer) { 843 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 844 return setFramebufferTarget(id, acquireFence, buffer); 845 } else { 846 acquireFence->waitForever("HWComposer::fbPost"); 847 return mFbDev->post(mFbDev, buffer->handle); 848 } 849} 850 851int HWComposer::fbCompositionComplete() { 852 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) 853 return NO_ERROR; 854 855 if (mFbDev->compositionComplete) { 856 return mFbDev->compositionComplete(mFbDev); 857 } else { 858 return INVALID_OPERATION; 859 } 860} 861 862void HWComposer::fbDump(String8& result) { 863 if (mFbDev && mFbDev->common.version >= 1 && mFbDev->dump) { 864 const size_t SIZE = 4096; 865 char buffer[SIZE]; 866 mFbDev->dump(mFbDev, buffer, SIZE); 867 result.append(buffer); 868 } 869} 870 871status_t HWComposer::setOutputBuffer(int32_t id, const sp<Fence>& acquireFence, 872 const sp<GraphicBuffer>& buf) { 873 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 874 return BAD_INDEX; 875 if (id < VIRTUAL_DISPLAY_ID_BASE) 876 return INVALID_OPERATION; 877 878 DisplayData& disp(mDisplayData[id]); 879 disp.outbufHandle = buf->handle; 880 disp.outbufAcquireFence = acquireFence; 881 return NO_ERROR; 882} 883 884sp<Fence> HWComposer::getLastRetireFence(int32_t id) const { 885 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 886 return Fence::NO_FENCE; 887 return mDisplayData[id].lastRetireFence; 888} 889 890status_t HWComposer::setCursorPositionAsync(int32_t id, const Rect& pos) 891{ 892 if (mHwc->setCursorPositionAsync) { 893 return (status_t)mHwc->setCursorPositionAsync(mHwc, id, pos.left, pos.top); 894 } 895 else { 896 return NO_ERROR; 897 } 898} 899 900/* 901 * Helper template to implement a concrete HWCLayer 902 * This holds the pointer to the concrete hwc layer type 903 * and implements the "iterable" side of HWCLayer. 904 */ 905template<typename CONCRETE, typename HWCTYPE> 906class Iterable : public HWComposer::HWCLayer { 907protected: 908 HWCTYPE* const mLayerList; 909 HWCTYPE* mCurrentLayer; 910 Iterable(HWCTYPE* layer) : mLayerList(layer), mCurrentLayer(layer) { } 911 inline HWCTYPE const * getLayer() const { return mCurrentLayer; } 912 inline HWCTYPE* getLayer() { return mCurrentLayer; } 913 virtual ~Iterable() { } 914private: 915 // returns a copy of ourselves 916 virtual HWComposer::HWCLayer* dup() { 917 return new CONCRETE( static_cast<const CONCRETE&>(*this) ); 918 } 919 virtual status_t setLayer(size_t index) { 920 mCurrentLayer = &mLayerList[index]; 921 return NO_ERROR; 922 } 923}; 924 925/* 926 * Concrete implementation of HWCLayer for HWC_DEVICE_API_VERSION_1_0. 927 * This implements the HWCLayer side of HWCIterableLayer. 928 */ 929class HWCLayerVersion1 : public Iterable<HWCLayerVersion1, hwc_layer_1_t> { 930 struct hwc_composer_device_1* mHwc; 931public: 932 HWCLayerVersion1(struct hwc_composer_device_1* hwc, hwc_layer_1_t* layer) 933 : Iterable<HWCLayerVersion1, hwc_layer_1_t>(layer), mHwc(hwc) { } 934 935 virtual int32_t getCompositionType() const { 936 return getLayer()->compositionType; 937 } 938 virtual uint32_t getHints() const { 939 return getLayer()->hints; 940 } 941 virtual sp<Fence> getAndResetReleaseFence() { 942 int fd = getLayer()->releaseFenceFd; 943 getLayer()->releaseFenceFd = -1; 944 return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE; 945 } 946 virtual void setAcquireFenceFd(int fenceFd) { 947 getLayer()->acquireFenceFd = fenceFd; 948 } 949 virtual void setPerFrameDefaultState() { 950 //getLayer()->compositionType = HWC_FRAMEBUFFER; 951 } 952 virtual void setPlaneAlpha(uint8_t alpha) { 953 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) { 954 getLayer()->planeAlpha = alpha; 955 } else { 956 if (alpha < 0xFF) { 957 getLayer()->flags |= HWC_SKIP_LAYER; 958 } 959 } 960 } 961 virtual void setDefaultState() { 962 hwc_layer_1_t* const l = getLayer(); 963 l->compositionType = HWC_FRAMEBUFFER; 964 l->hints = 0; 965 l->flags = HWC_SKIP_LAYER; 966 l->handle = 0; 967 l->transform = 0; 968 l->blending = HWC_BLENDING_NONE; 969 l->visibleRegionScreen.numRects = 0; 970 l->visibleRegionScreen.rects = NULL; 971 l->acquireFenceFd = -1; 972 l->releaseFenceFd = -1; 973 l->planeAlpha = 0xFF; 974 } 975 virtual void setSkip(bool skip) { 976 if (skip) { 977 getLayer()->flags |= HWC_SKIP_LAYER; 978 } else { 979 getLayer()->flags &= ~HWC_SKIP_LAYER; 980 } 981 } 982 virtual void setIsCursorLayerHint(bool isCursor) { 983 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 984 if (isCursor) { 985 getLayer()->flags |= HWC_IS_CURSOR_LAYER; 986 } 987 else { 988 getLayer()->flags &= ~HWC_IS_CURSOR_LAYER; 989 } 990 } 991 } 992 virtual void setBlending(uint32_t blending) { 993 getLayer()->blending = blending; 994 } 995 virtual void setTransform(uint32_t transform) { 996 getLayer()->transform = transform; 997 } 998 virtual void setFrame(const Rect& frame) { 999 getLayer()->displayFrame = reinterpret_cast<hwc_rect_t const&>(frame); 1000 } 1001 virtual void setCrop(const FloatRect& crop) { 1002 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 1003 getLayer()->sourceCropf = reinterpret_cast<hwc_frect_t const&>(crop); 1004 } else { 1005 /* 1006 * Since h/w composer didn't support a flot crop rect before version 1.3, 1007 * using integer coordinates instead produces a different output from the GL code in 1008 * Layer::drawWithOpenGL(). The difference can be large if the buffer crop to 1009 * window size ratio is large and a window crop is defined 1010 * (i.e.: if we scale the buffer a lot and we also crop it with a window crop). 1011 */ 1012 hwc_rect_t& r = getLayer()->sourceCrop; 1013 r.left = int(ceilf(crop.left)); 1014 r.top = int(ceilf(crop.top)); 1015 r.right = int(floorf(crop.right)); 1016 r.bottom= int(floorf(crop.bottom)); 1017 } 1018 } 1019 virtual void setVisibleRegionScreen(const Region& reg) { 1020 // Region::getSharedBuffer creates a reference to the underlying 1021 // SharedBuffer of this Region, this reference is freed 1022 // in onDisplayed() 1023 hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen; 1024 SharedBuffer const* sb = reg.getSharedBuffer(&visibleRegion.numRects); 1025 visibleRegion.rects = reinterpret_cast<hwc_rect_t const *>(sb->data()); 1026 } 1027 virtual void setSurfaceDamage(const Region& reg) { 1028 if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_5)) { 1029 return; 1030 } 1031 hwc_region_t& surfaceDamage = getLayer()->surfaceDamage; 1032 // We encode default full-screen damage as INVALID_RECT upstream, but as 1033 // 0 rects for HWComposer 1034 if (reg.isRect() && reg.getBounds() == Rect::INVALID_RECT) { 1035 surfaceDamage.numRects = 0; 1036 surfaceDamage.rects = NULL; 1037 return; 1038 } 1039 SharedBuffer const* sb = reg.getSharedBuffer(&surfaceDamage.numRects); 1040 surfaceDamage.rects = reinterpret_cast<hwc_rect_t const *>(sb->data()); 1041 } 1042 virtual void setSidebandStream(const sp<NativeHandle>& stream) { 1043 ALOG_ASSERT(stream->handle() != NULL); 1044 getLayer()->compositionType = HWC_SIDEBAND; 1045 getLayer()->sidebandStream = stream->handle(); 1046 } 1047 virtual void setBuffer(const sp<GraphicBuffer>& buffer) { 1048 if (buffer == 0 || buffer->handle == 0) { 1049 getLayer()->compositionType = HWC_FRAMEBUFFER; 1050 getLayer()->flags |= HWC_SKIP_LAYER; 1051 getLayer()->handle = 0; 1052 } else { 1053 if (getLayer()->compositionType == HWC_SIDEBAND) { 1054 // If this was a sideband layer but the stream was removed, reset 1055 // it to FRAMEBUFFER. The HWC can change it to OVERLAY in prepare. 1056 getLayer()->compositionType = HWC_FRAMEBUFFER; 1057 } 1058 getLayer()->handle = buffer->handle; 1059 } 1060 } 1061 virtual void onDisplayed() { 1062 hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen; 1063 SharedBuffer const* sb = SharedBuffer::bufferFromData(visibleRegion.rects); 1064 if (sb) { 1065 sb->release(); 1066 // not technically needed but safer 1067 visibleRegion.numRects = 0; 1068 visibleRegion.rects = NULL; 1069 } 1070 1071 getLayer()->acquireFenceFd = -1; 1072 1073 if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_5)) { 1074 return; 1075 } 1076 1077 hwc_region_t& surfaceDamage = getLayer()->surfaceDamage; 1078 sb = SharedBuffer::bufferFromData(surfaceDamage.rects); 1079 if (sb) { 1080 sb->release(); 1081 surfaceDamage.numRects = 0; 1082 surfaceDamage.rects = NULL; 1083 } 1084 } 1085}; 1086 1087/* 1088 * returns an iterator initialized at a given index in the layer list 1089 */ 1090HWComposer::LayerListIterator HWComposer::getLayerIterator(int32_t id, size_t index) { 1091 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 1092 return LayerListIterator(); 1093 } 1094 const DisplayData& disp(mDisplayData[id]); 1095 if (!mHwc || !disp.list || index > disp.list->numHwLayers) { 1096 return LayerListIterator(); 1097 } 1098 return LayerListIterator(new HWCLayerVersion1(mHwc, disp.list->hwLayers), index); 1099} 1100 1101/* 1102 * returns an iterator on the beginning of the layer list 1103 */ 1104HWComposer::LayerListIterator HWComposer::begin(int32_t id) { 1105 return getLayerIterator(id, 0); 1106} 1107 1108/* 1109 * returns an iterator on the end of the layer list 1110 */ 1111HWComposer::LayerListIterator HWComposer::end(int32_t id) { 1112 size_t numLayers = 0; 1113 if (uint32_t(id) <= 31 && mAllocatedDisplayIDs.hasBit(id)) { 1114 const DisplayData& disp(mDisplayData[id]); 1115 if (mHwc && disp.list) { 1116 numLayers = disp.list->numHwLayers; 1117 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 1118 // with HWC 1.1, the last layer is always the HWC_FRAMEBUFFER_TARGET, 1119 // which we ignore when iterating through the layer list. 1120 ALOGE_IF(!numLayers, "mDisplayData[%d].list->numHwLayers is 0", id); 1121 if (numLayers) { 1122 numLayers--; 1123 } 1124 } 1125 } 1126 } 1127 return getLayerIterator(id, numLayers); 1128} 1129 1130// Converts a PixelFormat to a human-readable string. Max 11 chars. 1131// (Could use a table of prefab String8 objects.) 1132static String8 getFormatStr(PixelFormat format) { 1133 switch (format) { 1134 case PIXEL_FORMAT_RGBA_8888: return String8("RGBA_8888"); 1135 case PIXEL_FORMAT_RGBX_8888: return String8("RGBx_8888"); 1136 case PIXEL_FORMAT_RGB_888: return String8("RGB_888"); 1137 case PIXEL_FORMAT_RGB_565: return String8("RGB_565"); 1138 case PIXEL_FORMAT_BGRA_8888: return String8("BGRA_8888"); 1139 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 1140 return String8("ImplDef"); 1141 default: 1142 String8 result; 1143 result.appendFormat("? %08x", format); 1144 return result; 1145 } 1146} 1147 1148void HWComposer::dump(String8& result) const { 1149 Mutex::Autolock _l(mDisplayLock); 1150 if (mHwc) { 1151 result.appendFormat("Hardware Composer state (version %08x):\n", hwcApiVersion(mHwc)); 1152 result.appendFormat(" mDebugForceFakeVSync=%d\n", mDebugForceFakeVSync); 1153 for (size_t i=0 ; i<mNumDisplays ; i++) { 1154 const DisplayData& disp(mDisplayData[i]); 1155 if (!disp.connected) 1156 continue; 1157 1158 const Vector< sp<Layer> >& visibleLayersSortedByZ = 1159 mFlinger->getLayerSortedByZForHwcDisplay(i); 1160 1161 1162 result.appendFormat(" Display[%zd] configurations (* current):\n", i); 1163 for (size_t c = 0; c < disp.configs.size(); ++c) { 1164 const DisplayConfig& config(disp.configs[c]); 1165 result.appendFormat(" %s%zd: %ux%u, xdpi=%f, ydpi=%f, refresh=%" PRId64 "\n", 1166 c == disp.currentConfig ? "* " : "", c, config.width, config.height, 1167 config.xdpi, config.ydpi, config.refresh); 1168 } 1169 1170 if (disp.list) { 1171 result.appendFormat( 1172 " numHwLayers=%zu, flags=%08x\n", 1173 disp.list->numHwLayers, disp.list->flags); 1174 1175 result.append( 1176 " type | handle | hint | flag | tr | blnd | format | source crop (l,t,r,b) | frame | name \n" 1177 "-----------+----------+------+------+----+------+-------------+--------------------------------+------------------------+------\n"); 1178 // " _________ | ________ | ____ | ____ | __ | ____ | ___________ |_____._,_____._,_____._,_____._ |_____,_____,_____,_____ | ___... 1179 for (size_t i=0 ; i<disp.list->numHwLayers ; i++) { 1180 const hwc_layer_1_t&l = disp.list->hwLayers[i]; 1181 int32_t format = -1; 1182 String8 name("unknown"); 1183 1184 if (i < visibleLayersSortedByZ.size()) { 1185 const sp<Layer>& layer(visibleLayersSortedByZ[i]); 1186 const sp<GraphicBuffer>& buffer( 1187 layer->getActiveBuffer()); 1188 if (buffer != NULL) { 1189 format = buffer->getPixelFormat(); 1190 } 1191 name = layer->getName(); 1192 } 1193 1194 int type = l.compositionType; 1195 if (type == HWC_FRAMEBUFFER_TARGET) { 1196 name = "HWC_FRAMEBUFFER_TARGET"; 1197 format = disp.format; 1198 } 1199 1200 static char const* compositionTypeName[] = { 1201 "GLES", 1202 "HWC", 1203 "BKGND", 1204 "FB TARGET", 1205 "SIDEBAND", 1206 "HWC_CURSOR", 1207 "UNKNOWN"}; 1208 if (type >= NELEM(compositionTypeName)) 1209 type = NELEM(compositionTypeName) - 1; 1210 1211 String8 formatStr = getFormatStr(format); 1212 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 1213 result.appendFormat( 1214 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7.1f,%7.1f,%7.1f,%7.1f |%5d,%5d,%5d,%5d | %s\n", 1215 compositionTypeName[type], 1216 intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(), 1217 l.sourceCropf.left, l.sourceCropf.top, l.sourceCropf.right, l.sourceCropf.bottom, 1218 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1219 name.string()); 1220 } else { 1221 result.appendFormat( 1222 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7d,%7d,%7d,%7d |%5d,%5d,%5d,%5d | %s\n", 1223 compositionTypeName[type], 1224 intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(), 1225 l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom, 1226 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1227 name.string()); 1228 } 1229 } 1230 } 1231 } 1232 } 1233 1234 if (mHwc && mHwc->dump) { 1235 const size_t SIZE = 4096; 1236 char buffer[SIZE]; 1237 mHwc->dump(mHwc, buffer, SIZE); 1238 result.append(buffer); 1239 } 1240} 1241 1242// --------------------------------------------------------------------------- 1243 1244HWComposer::VSyncThread::VSyncThread(HWComposer& hwc) 1245 : mHwc(hwc), mEnabled(false), 1246 mNextFakeVSync(0), 1247 mRefreshPeriod(hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY)) 1248{ 1249} 1250 1251void HWComposer::VSyncThread::setEnabled(bool enabled) { 1252 Mutex::Autolock _l(mLock); 1253 if (mEnabled != enabled) { 1254 mEnabled = enabled; 1255 mCondition.signal(); 1256 } 1257} 1258 1259void HWComposer::VSyncThread::onFirstRef() { 1260 run("VSyncThread", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE); 1261} 1262 1263bool HWComposer::VSyncThread::threadLoop() { 1264 { // scope for lock 1265 Mutex::Autolock _l(mLock); 1266 while (!mEnabled) { 1267 mCondition.wait(mLock); 1268 } 1269 } 1270 1271 const nsecs_t period = mRefreshPeriod; 1272 const nsecs_t now = systemTime(CLOCK_MONOTONIC); 1273 nsecs_t next_vsync = mNextFakeVSync; 1274 nsecs_t sleep = next_vsync - now; 1275 if (sleep < 0) { 1276 // we missed, find where the next vsync should be 1277 sleep = (period - ((now - next_vsync) % period)); 1278 next_vsync = now + sleep; 1279 } 1280 mNextFakeVSync = next_vsync + period; 1281 1282 struct timespec spec; 1283 spec.tv_sec = next_vsync / 1000000000; 1284 spec.tv_nsec = next_vsync % 1000000000; 1285 1286 int err; 1287 do { 1288 err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL); 1289 } while (err<0 && errno == EINTR); 1290 1291 if (err == 0) { 1292 mHwc.mEventHandler.onVSyncReceived(0, next_vsync); 1293 } 1294 1295 return true; 1296} 1297 1298HWComposer::DisplayData::DisplayData() 1299: configs(), 1300 currentConfig(0), 1301 format(HAL_PIXEL_FORMAT_RGBA_8888), 1302 connected(false), 1303 hasFbComp(false), hasOvComp(false), 1304 capacity(0), list(NULL), 1305 framebufferTarget(NULL), fbTargetHandle(0), 1306 lastRetireFence(Fence::NO_FENCE), lastDisplayFence(Fence::NO_FENCE), 1307 outbufHandle(NULL), outbufAcquireFence(Fence::NO_FENCE), 1308 events(0) 1309{} 1310 1311HWComposer::DisplayData::~DisplayData() { 1312 free(list); 1313} 1314 1315// --------------------------------------------------------------------------- 1316}; // namespace android 1317