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 50 namespace android { 51 52 #define MIN_HWC_HEADER_VERSION HWC_HEADER_VERSION 53 54 static 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 59 static 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 64 static 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 71 struct 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 84 HWComposer::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 } 194 195 HWComposer::~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. 212 void 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. 240 int 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 } 252 253 status_t HWComposer::initCheck() const { 254 return mHwc ? NO_ERROR : NO_INIT; 255 } 256 257 void 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 } 262 263 void 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 } 269 270 void 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 } 276 277 void HWComposer::invalidate() { 278 mFlinger->repaintEverything(); 279 } 280 281 void 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 } 306 307 void HWComposer::hotplug(int disp, int connected) { 308 if (disp == HWC_DISPLAY_PRIMARY || 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 mEventHandler.onHotplugReceived(disp, bool(connected)); 315 } 316 317 static float getDefaultDensity(uint32_t width, uint32_t height) { 318 // Default density is based on TVs: 1080p displays get XHIGH density, 319 // lower-resolution displays get TV density. Maybe eventually we'll need 320 // to update it for 4K displays, though hopefully those just report 321 // accurate DPI information to begin with. This is also used for virtual 322 // displays and even primary displays with older hwcomposers, so be 323 // careful about orientation. 324 325 uint32_t h = width < height ? width : height; 326 if (h >= 1080) return ACONFIGURATION_DENSITY_XHIGH; 327 else return ACONFIGURATION_DENSITY_TV; 328 } 329 330 static const uint32_t DISPLAY_ATTRIBUTES[] = { 331 HWC_DISPLAY_VSYNC_PERIOD, 332 HWC_DISPLAY_WIDTH, 333 HWC_DISPLAY_HEIGHT, 334 HWC_DISPLAY_DPI_X, 335 HWC_DISPLAY_DPI_Y, 336 HWC_DISPLAY_NO_ATTRIBUTE, 337 }; 338 #define NUM_DISPLAY_ATTRIBUTES (sizeof(DISPLAY_ATTRIBUTES) / sizeof(DISPLAY_ATTRIBUTES)[0]) 339 340 status_t HWComposer::queryDisplayProperties(int disp) { 341 342 LOG_ALWAYS_FATAL_IF(!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)); 343 344 // use zero as default value for unspecified attributes 345 int32_t values[NUM_DISPLAY_ATTRIBUTES - 1]; 346 memset(values, 0, sizeof(values)); 347 348 const size_t MAX_NUM_CONFIGS = 128; 349 uint32_t configs[MAX_NUM_CONFIGS] = {0}; 350 size_t numConfigs = MAX_NUM_CONFIGS; 351 status_t err = mHwc->getDisplayConfigs(mHwc, disp, configs, &numConfigs); 352 if (err != NO_ERROR) { 353 // this can happen if an unpluggable display is not connected 354 mDisplayData[disp].connected = false; 355 return err; 356 } 357 358 mDisplayData[disp].currentConfig = 0; 359 for (size_t c = 0; c < numConfigs; ++c) { 360 err = mHwc->getDisplayAttributes(mHwc, disp, configs[c], 361 DISPLAY_ATTRIBUTES, values); 362 if (err != NO_ERROR) { 363 // we can't get this display's info. turn it off. 364 mDisplayData[disp].connected = false; 365 return err; 366 } 367 368 DisplayConfig config = DisplayConfig(); 369 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 370 switch (DISPLAY_ATTRIBUTES[i]) { 371 case HWC_DISPLAY_VSYNC_PERIOD: 372 config.refresh = nsecs_t(values[i]); 373 break; 374 case HWC_DISPLAY_WIDTH: 375 config.width = values[i]; 376 break; 377 case HWC_DISPLAY_HEIGHT: 378 config.height = values[i]; 379 break; 380 case HWC_DISPLAY_DPI_X: 381 config.xdpi = values[i] / 1000.0f; 382 break; 383 case HWC_DISPLAY_DPI_Y: 384 config.ydpi = values[i] / 1000.0f; 385 break; 386 default: 387 ALOG_ASSERT(false, "unknown display attribute[%zu] %#x", 388 i, DISPLAY_ATTRIBUTES[i]); 389 break; 390 } 391 } 392 393 if (config.xdpi == 0.0f || config.ydpi == 0.0f) { 394 float dpi = getDefaultDensity(config.width, config.height); 395 config.xdpi = dpi; 396 config.ydpi = dpi; 397 } 398 399 mDisplayData[disp].configs.push_back(config); 400 } 401 402 // FIXME: what should we set the format to? 403 mDisplayData[disp].format = HAL_PIXEL_FORMAT_RGBA_8888; 404 mDisplayData[disp].connected = true; 405 return NO_ERROR; 406 } 407 408 status_t HWComposer::setVirtualDisplayProperties(int32_t id, 409 uint32_t w, uint32_t h, uint32_t format) { 410 if (id < VIRTUAL_DISPLAY_ID_BASE || id >= int32_t(mNumDisplays) || 411 !mAllocatedDisplayIDs.hasBit(id)) { 412 return BAD_INDEX; 413 } 414 size_t configId = mDisplayData[id].currentConfig; 415 mDisplayData[id].format = format; 416 DisplayConfig& config = mDisplayData[id].configs.editItemAt(configId); 417 config.width = w; 418 config.height = h; 419 config.xdpi = config.ydpi = getDefaultDensity(w, h); 420 return NO_ERROR; 421 } 422 423 int32_t HWComposer::allocateDisplayId() { 424 if (mAllocatedDisplayIDs.count() >= mNumDisplays) { 425 return NO_MEMORY; 426 } 427 int32_t id = mAllocatedDisplayIDs.firstUnmarkedBit(); 428 mAllocatedDisplayIDs.markBit(id); 429 mDisplayData[id].connected = true; 430 mDisplayData[id].configs.resize(1); 431 mDisplayData[id].currentConfig = 0; 432 return id; 433 } 434 435 status_t HWComposer::freeDisplayId(int32_t id) { 436 if (id < NUM_BUILTIN_DISPLAYS) { 437 // cannot free the reserved IDs 438 return BAD_VALUE; 439 } 440 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 441 return BAD_INDEX; 442 } 443 mAllocatedDisplayIDs.clearBit(id); 444 mDisplayData[id].connected = false; 445 return NO_ERROR; 446 } 447 448 nsecs_t HWComposer::getRefreshTimestamp(int disp) const { 449 // this returns the last refresh timestamp. 450 // if the last one is not available, we estimate it based on 451 // the refresh period and whatever closest timestamp we have. 452 Mutex::Autolock _l(mLock); 453 nsecs_t now = systemTime(CLOCK_MONOTONIC); 454 size_t configId = mDisplayData[disp].currentConfig; 455 return now - ((now - mLastHwVSync[disp]) % 456 mDisplayData[disp].configs[configId].refresh); 457 } 458 459 sp<Fence> HWComposer::getDisplayFence(int disp) const { 460 return mDisplayData[disp].lastDisplayFence; 461 } 462 463 uint32_t HWComposer::getFormat(int disp) const { 464 if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) { 465 return HAL_PIXEL_FORMAT_RGBA_8888; 466 } else { 467 return mDisplayData[disp].format; 468 } 469 } 470 471 bool HWComposer::isConnected(int disp) const { 472 return mDisplayData[disp].connected; 473 } 474 475 uint32_t HWComposer::getWidth(int disp) const { 476 size_t currentConfig = mDisplayData[disp].currentConfig; 477 return mDisplayData[disp].configs[currentConfig].width; 478 } 479 480 uint32_t HWComposer::getHeight(int disp) const { 481 size_t currentConfig = mDisplayData[disp].currentConfig; 482 return mDisplayData[disp].configs[currentConfig].height; 483 } 484 485 float HWComposer::getDpiX(int disp) const { 486 size_t currentConfig = mDisplayData[disp].currentConfig; 487 return mDisplayData[disp].configs[currentConfig].xdpi; 488 } 489 490 float HWComposer::getDpiY(int disp) const { 491 size_t currentConfig = mDisplayData[disp].currentConfig; 492 return mDisplayData[disp].configs[currentConfig].ydpi; 493 } 494 495 nsecs_t HWComposer::getRefreshPeriod(int disp) const { 496 size_t currentConfig = mDisplayData[disp].currentConfig; 497 return mDisplayData[disp].configs[currentConfig].refresh; 498 } 499 500 const Vector<HWComposer::DisplayConfig>& HWComposer::getConfigs(int disp) const { 501 return mDisplayData[disp].configs; 502 } 503 504 size_t HWComposer::getCurrentConfig(int disp) const { 505 return mDisplayData[disp].currentConfig; 506 } 507 508 void HWComposer::eventControl(int disp, int event, int enabled) { 509 if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) { 510 ALOGD("eventControl ignoring event %d on unallocated disp %d (en=%d)", 511 event, disp, enabled); 512 return; 513 } 514 if (event != EVENT_VSYNC) { 515 ALOGW("eventControl got unexpected event %d (disp=%d en=%d)", 516 event, disp, enabled); 517 return; 518 } 519 status_t err = NO_ERROR; 520 if (mHwc && !mDebugForceFakeVSync) { 521 // NOTE: we use our own internal lock here because we have to call 522 // into the HWC with the lock held, and we want to make sure 523 // that even if HWC blocks (which it shouldn't), it won't 524 // affect other threads. 525 Mutex::Autolock _l(mEventControlLock); 526 const int32_t eventBit = 1UL << event; 527 const int32_t newValue = enabled ? eventBit : 0; 528 const int32_t oldValue = mDisplayData[disp].events & eventBit; 529 if (newValue != oldValue) { 530 ATRACE_CALL(); 531 err = mHwc->eventControl(mHwc, disp, event, enabled); 532 if (!err) { 533 int32_t& events(mDisplayData[disp].events); 534 events = (events & ~eventBit) | newValue; 535 536 char tag[16]; 537 snprintf(tag, sizeof(tag), "HW_VSYNC_ON_%1u", disp); 538 ATRACE_INT(tag, enabled); 539 } 540 } 541 // error here should not happen -- not sure what we should 542 // do if it does. 543 ALOGE_IF(err, "eventControl(%d, %d) failed %s", 544 event, enabled, strerror(-err)); 545 } 546 547 if (err == NO_ERROR && mVSyncThread != NULL) { 548 mVSyncThread->setEnabled(enabled); 549 } 550 } 551 552 status_t HWComposer::createWorkList(int32_t id, size_t numLayers) { 553 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 554 return BAD_INDEX; 555 } 556 557 if (mHwc) { 558 DisplayData& disp(mDisplayData[id]); 559 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 560 // we need space for the HWC_FRAMEBUFFER_TARGET 561 numLayers++; 562 } 563 if (disp.capacity < numLayers || disp.list == NULL) { 564 size_t size = sizeof(hwc_display_contents_1_t) 565 + numLayers * sizeof(hwc_layer_1_t); 566 free(disp.list); 567 disp.list = (hwc_display_contents_1_t*)malloc(size); 568 disp.capacity = numLayers; 569 } 570 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 571 disp.framebufferTarget = &disp.list->hwLayers[numLayers - 1]; 572 memset(disp.framebufferTarget, 0, sizeof(hwc_layer_1_t)); 573 const DisplayConfig& currentConfig = 574 disp.configs[disp.currentConfig]; 575 const hwc_rect_t r = { 0, 0, 576 (int) currentConfig.width, (int) currentConfig.height }; 577 disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET; 578 disp.framebufferTarget->hints = 0; 579 disp.framebufferTarget->flags = 0; 580 disp.framebufferTarget->handle = disp.fbTargetHandle; 581 disp.framebufferTarget->transform = 0; 582 disp.framebufferTarget->blending = HWC_BLENDING_PREMULT; 583 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 584 disp.framebufferTarget->sourceCropf.left = 0; 585 disp.framebufferTarget->sourceCropf.top = 0; 586 disp.framebufferTarget->sourceCropf.right = 587 currentConfig.width; 588 disp.framebufferTarget->sourceCropf.bottom = 589 currentConfig.height; 590 } else { 591 disp.framebufferTarget->sourceCrop = r; 592 } 593 disp.framebufferTarget->displayFrame = r; 594 disp.framebufferTarget->visibleRegionScreen.numRects = 1; 595 disp.framebufferTarget->visibleRegionScreen.rects = 596 &disp.framebufferTarget->displayFrame; 597 disp.framebufferTarget->acquireFenceFd = -1; 598 disp.framebufferTarget->releaseFenceFd = -1; 599 disp.framebufferTarget->planeAlpha = 0xFF; 600 } 601 disp.list->retireFenceFd = -1; 602 disp.list->flags = HWC_GEOMETRY_CHANGED; 603 disp.list->numHwLayers = numLayers; 604 } 605 return NO_ERROR; 606 } 607 608 status_t HWComposer::setFramebufferTarget(int32_t id, 609 const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buf) { 610 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 611 return BAD_INDEX; 612 } 613 DisplayData& disp(mDisplayData[id]); 614 if (!disp.framebufferTarget) { 615 // this should never happen, but apparently eglCreateWindowSurface() 616 // triggers a Surface::queueBuffer() on some 617 // devices (!?) -- log and ignore. 618 ALOGE("HWComposer: framebufferTarget is null"); 619 return NO_ERROR; 620 } 621 622 int acquireFenceFd = -1; 623 if (acquireFence->isValid()) { 624 acquireFenceFd = acquireFence->dup(); 625 } 626 627 // ALOGD("fbPost: handle=%p, fence=%d", buf->handle, acquireFenceFd); 628 disp.fbTargetHandle = buf->handle; 629 disp.framebufferTarget->handle = disp.fbTargetHandle; 630 disp.framebufferTarget->acquireFenceFd = acquireFenceFd; 631 return NO_ERROR; 632 } 633 634 status_t HWComposer::prepare() { 635 for (size_t i=0 ; i<mNumDisplays ; i++) { 636 DisplayData& disp(mDisplayData[i]); 637 if (disp.framebufferTarget) { 638 // make sure to reset the type to HWC_FRAMEBUFFER_TARGET 639 // DO NOT reset the handle field to NULL, because it's possible 640 // that we have nothing to redraw (eg: eglSwapBuffers() not called) 641 // in which case, we should continue to use the same buffer. 642 LOG_FATAL_IF(disp.list == NULL); 643 disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET; 644 } 645 if (!disp.connected && disp.list != NULL) { 646 ALOGW("WARNING: disp %zu: connected, non-null list, layers=%zu", 647 i, disp.list->numHwLayers); 648 } 649 mLists[i] = disp.list; 650 if (mLists[i]) { 651 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 652 mLists[i]->outbuf = disp.outbufHandle; 653 mLists[i]->outbufAcquireFenceFd = -1; 654 } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 655 // garbage data to catch improper use 656 mLists[i]->dpy = (hwc_display_t)0xDEADBEEF; 657 mLists[i]->sur = (hwc_surface_t)0xDEADBEEF; 658 } else { 659 mLists[i]->dpy = EGL_NO_DISPLAY; 660 mLists[i]->sur = EGL_NO_SURFACE; 661 } 662 } 663 } 664 665 int err = mHwc->prepare(mHwc, mNumDisplays, mLists); 666 ALOGE_IF(err, "HWComposer: prepare failed (%s)", strerror(-err)); 667 668 if (err == NO_ERROR) { 669 // here we're just making sure that "skip" layers are set 670 // to HWC_FRAMEBUFFER and we're also counting how many layers 671 // we have of each type. 672 // 673 // If there are no window layers, we treat the display has having FB 674 // composition, because SurfaceFlinger will use GLES to draw the 675 // wormhole region. 676 for (size_t i=0 ; i<mNumDisplays ; i++) { 677 DisplayData& disp(mDisplayData[i]); 678 disp.hasFbComp = false; 679 disp.hasOvComp = false; 680 if (disp.list) { 681 for (size_t i=0 ; i<disp.list->numHwLayers ; i++) { 682 hwc_layer_1_t& l = disp.list->hwLayers[i]; 683 684 //ALOGD("prepare: %d, type=%d, handle=%p", 685 // i, l.compositionType, l.handle); 686 687 if (l.flags & HWC_SKIP_LAYER) { 688 l.compositionType = HWC_FRAMEBUFFER; 689 } 690 if (l.compositionType == HWC_FRAMEBUFFER) { 691 disp.hasFbComp = true; 692 } 693 if (l.compositionType == HWC_OVERLAY) { 694 disp.hasOvComp = true; 695 } 696 if (l.compositionType == HWC_CURSOR_OVERLAY) { 697 disp.hasOvComp = true; 698 } 699 } 700 if (disp.list->numHwLayers == (disp.framebufferTarget ? 1 : 0)) { 701 disp.hasFbComp = true; 702 } 703 } else { 704 disp.hasFbComp = true; 705 } 706 } 707 } 708 return (status_t)err; 709 } 710 711 bool HWComposer::hasHwcComposition(int32_t id) const { 712 if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 713 return false; 714 return mDisplayData[id].hasOvComp; 715 } 716 717 bool HWComposer::hasGlesComposition(int32_t id) const { 718 if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 719 return true; 720 return mDisplayData[id].hasFbComp; 721 } 722 723 sp<Fence> HWComposer::getAndResetReleaseFence(int32_t id) { 724 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 725 return Fence::NO_FENCE; 726 727 int fd = INVALID_OPERATION; 728 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 729 const DisplayData& disp(mDisplayData[id]); 730 if (disp.framebufferTarget) { 731 fd = disp.framebufferTarget->releaseFenceFd; 732 disp.framebufferTarget->acquireFenceFd = -1; 733 disp.framebufferTarget->releaseFenceFd = -1; 734 } 735 } 736 return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE; 737 } 738 739 status_t HWComposer::commit() { 740 int err = NO_ERROR; 741 if (mHwc) { 742 if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 743 // On version 1.0, the OpenGL ES target surface is communicated 744 // by the (dpy, sur) fields and we are guaranteed to have only 745 // a single display. 746 mLists[0]->dpy = eglGetCurrentDisplay(); 747 mLists[0]->sur = eglGetCurrentSurface(EGL_DRAW); 748 } 749 750 for (size_t i=VIRTUAL_DISPLAY_ID_BASE; i<mNumDisplays; i++) { 751 DisplayData& disp(mDisplayData[i]); 752 if (disp.outbufHandle) { 753 mLists[i]->outbuf = disp.outbufHandle; 754 mLists[i]->outbufAcquireFenceFd = 755 disp.outbufAcquireFence->dup(); 756 } 757 } 758 759 err = mHwc->set(mHwc, mNumDisplays, mLists); 760 761 for (size_t i=0 ; i<mNumDisplays ; i++) { 762 DisplayData& disp(mDisplayData[i]); 763 disp.lastDisplayFence = disp.lastRetireFence; 764 disp.lastRetireFence = Fence::NO_FENCE; 765 if (disp.list) { 766 if (disp.list->retireFenceFd != -1) { 767 disp.lastRetireFence = new Fence(disp.list->retireFenceFd); 768 disp.list->retireFenceFd = -1; 769 } 770 disp.list->flags &= ~HWC_GEOMETRY_CHANGED; 771 } 772 } 773 } 774 return (status_t)err; 775 } 776 777 status_t HWComposer::setPowerMode(int disp, int mode) { 778 LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE); 779 if (mHwc) { 780 if (mode == HWC_POWER_MODE_OFF) { 781 eventControl(disp, HWC_EVENT_VSYNC, 0); 782 } 783 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 784 return (status_t)mHwc->setPowerMode(mHwc, disp, mode); 785 } else { 786 return (status_t)mHwc->blank(mHwc, disp, 787 mode == HWC_POWER_MODE_OFF ? 1 : 0); 788 } 789 } 790 return NO_ERROR; 791 } 792 793 status_t HWComposer::setActiveConfig(int disp, int mode) { 794 LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE); 795 DisplayData& dd(mDisplayData[disp]); 796 dd.currentConfig = mode; 797 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 798 return (status_t)mHwc->setActiveConfig(mHwc, disp, mode); 799 } else { 800 LOG_FATAL_IF(mode != 0); 801 } 802 return NO_ERROR; 803 } 804 805 void HWComposer::disconnectDisplay(int disp) { 806 LOG_ALWAYS_FATAL_IF(disp < 0 || disp == HWC_DISPLAY_PRIMARY); 807 DisplayData& dd(mDisplayData[disp]); 808 free(dd.list); 809 dd.list = NULL; 810 dd.framebufferTarget = NULL; // points into dd.list 811 dd.fbTargetHandle = NULL; 812 dd.outbufHandle = NULL; 813 dd.lastRetireFence = Fence::NO_FENCE; 814 dd.lastDisplayFence = Fence::NO_FENCE; 815 dd.outbufAcquireFence = Fence::NO_FENCE; 816 // clear all the previous configs and repopulate when a new 817 // device is added 818 dd.configs.clear(); 819 } 820 821 int HWComposer::getVisualID() const { 822 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 823 // FIXME: temporary hack until HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED 824 // is supported by the implementation. we can only be in this case 825 // if we have HWC 1.1 826 return HAL_PIXEL_FORMAT_RGBA_8888; 827 //return HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 828 } else { 829 return mFbDev->format; 830 } 831 } 832 833 bool HWComposer::supportsFramebufferTarget() const { 834 return (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)); 835 } 836 837 int HWComposer::fbPost(int32_t id, 838 const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buffer) { 839 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 840 return setFramebufferTarget(id, acquireFence, buffer); 841 } else { 842 acquireFence->waitForever("HWComposer::fbPost"); 843 return mFbDev->post(mFbDev, buffer->handle); 844 } 845 } 846 847 int HWComposer::fbCompositionComplete() { 848 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) 849 return NO_ERROR; 850 851 if (mFbDev->compositionComplete) { 852 return mFbDev->compositionComplete(mFbDev); 853 } else { 854 return INVALID_OPERATION; 855 } 856 } 857 858 void HWComposer::fbDump(String8& result) { 859 if (mFbDev && mFbDev->common.version >= 1 && mFbDev->dump) { 860 const size_t SIZE = 4096; 861 char buffer[SIZE]; 862 mFbDev->dump(mFbDev, buffer, SIZE); 863 result.append(buffer); 864 } 865 } 866 867 status_t HWComposer::setOutputBuffer(int32_t id, const sp<Fence>& acquireFence, 868 const sp<GraphicBuffer>& buf) { 869 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 870 return BAD_INDEX; 871 if (id < VIRTUAL_DISPLAY_ID_BASE) 872 return INVALID_OPERATION; 873 874 DisplayData& disp(mDisplayData[id]); 875 disp.outbufHandle = buf->handle; 876 disp.outbufAcquireFence = acquireFence; 877 return NO_ERROR; 878 } 879 880 sp<Fence> HWComposer::getLastRetireFence(int32_t id) const { 881 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 882 return Fence::NO_FENCE; 883 return mDisplayData[id].lastRetireFence; 884 } 885 886 status_t HWComposer::setCursorPositionAsync(int32_t id, const Rect& pos) 887 { 888 if (mHwc->setCursorPositionAsync) { 889 return (status_t)mHwc->setCursorPositionAsync(mHwc, id, pos.left, pos.top); 890 } 891 else { 892 return NO_ERROR; 893 } 894 } 895 896 /* 897 * Helper template to implement a concrete HWCLayer 898 * This holds the pointer to the concrete hwc layer type 899 * and implements the "iterable" side of HWCLayer. 900 */ 901 template<typename CONCRETE, typename HWCTYPE> 902 class Iterable : public HWComposer::HWCLayer { 903 protected: 904 HWCTYPE* const mLayerList; 905 HWCTYPE* mCurrentLayer; 906 Iterable(HWCTYPE* layer) : mLayerList(layer), mCurrentLayer(layer) { } 907 inline HWCTYPE const * getLayer() const { return mCurrentLayer; } 908 inline HWCTYPE* getLayer() { return mCurrentLayer; } 909 virtual ~Iterable() { } 910 private: 911 // returns a copy of ourselves 912 virtual HWComposer::HWCLayer* dup() { 913 return new CONCRETE( static_cast<const CONCRETE&>(*this) ); 914 } 915 virtual status_t setLayer(size_t index) { 916 mCurrentLayer = &mLayerList[index]; 917 return NO_ERROR; 918 } 919 }; 920 921 /* 922 * Concrete implementation of HWCLayer for HWC_DEVICE_API_VERSION_1_0. 923 * This implements the HWCLayer side of HWCIterableLayer. 924 */ 925 class HWCLayerVersion1 : public Iterable<HWCLayerVersion1, hwc_layer_1_t> { 926 struct hwc_composer_device_1* mHwc; 927 public: 928 HWCLayerVersion1(struct hwc_composer_device_1* hwc, hwc_layer_1_t* layer) 929 : Iterable<HWCLayerVersion1, hwc_layer_1_t>(layer), mHwc(hwc) { } 930 931 virtual int32_t getCompositionType() const { 932 return getLayer()->compositionType; 933 } 934 virtual uint32_t getHints() const { 935 return getLayer()->hints; 936 } 937 virtual sp<Fence> getAndResetReleaseFence() { 938 int fd = getLayer()->releaseFenceFd; 939 getLayer()->releaseFenceFd = -1; 940 return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE; 941 } 942 virtual void setAcquireFenceFd(int fenceFd) { 943 getLayer()->acquireFenceFd = fenceFd; 944 } 945 virtual void setPerFrameDefaultState() { 946 //getLayer()->compositionType = HWC_FRAMEBUFFER; 947 } 948 virtual void setPlaneAlpha(uint8_t alpha) { 949 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) { 950 getLayer()->planeAlpha = alpha; 951 } else { 952 if (alpha < 0xFF) { 953 getLayer()->flags |= HWC_SKIP_LAYER; 954 } 955 } 956 } 957 virtual void setDefaultState() { 958 hwc_layer_1_t* const l = getLayer(); 959 l->compositionType = HWC_FRAMEBUFFER; 960 l->hints = 0; 961 l->flags = HWC_SKIP_LAYER; 962 l->handle = 0; 963 l->transform = 0; 964 l->blending = HWC_BLENDING_NONE; 965 l->visibleRegionScreen.numRects = 0; 966 l->visibleRegionScreen.rects = NULL; 967 l->acquireFenceFd = -1; 968 l->releaseFenceFd = -1; 969 l->planeAlpha = 0xFF; 970 } 971 virtual void setSkip(bool skip) { 972 if (skip) { 973 getLayer()->flags |= HWC_SKIP_LAYER; 974 } else { 975 getLayer()->flags &= ~HWC_SKIP_LAYER; 976 } 977 } 978 virtual void setIsCursorLayerHint(bool isCursor) { 979 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 980 if (isCursor) { 981 getLayer()->flags |= HWC_IS_CURSOR_LAYER; 982 } 983 else { 984 getLayer()->flags &= ~HWC_IS_CURSOR_LAYER; 985 } 986 } 987 } 988 virtual void setBlending(uint32_t blending) { 989 getLayer()->blending = blending; 990 } 991 virtual void setTransform(uint32_t transform) { 992 getLayer()->transform = transform; 993 } 994 virtual void setFrame(const Rect& frame) { 995 getLayer()->displayFrame = reinterpret_cast<hwc_rect_t const&>(frame); 996 } 997 virtual void setCrop(const FloatRect& crop) { 998 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 999 getLayer()->sourceCropf = reinterpret_cast<hwc_frect_t const&>(crop); 1000 } else { 1001 /* 1002 * Since h/w composer didn't support a flot crop rect before version 1.3, 1003 * using integer coordinates instead produces a different output from the GL code in 1004 * Layer::drawWithOpenGL(). The difference can be large if the buffer crop to 1005 * window size ratio is large and a window crop is defined 1006 * (i.e.: if we scale the buffer a lot and we also crop it with a window crop). 1007 */ 1008 hwc_rect_t& r = getLayer()->sourceCrop; 1009 r.left = int(ceilf(crop.left)); 1010 r.top = int(ceilf(crop.top)); 1011 r.right = int(floorf(crop.right)); 1012 r.bottom= int(floorf(crop.bottom)); 1013 } 1014 } 1015 virtual void setVisibleRegionScreen(const Region& reg) { 1016 // Region::getSharedBuffer creates a reference to the underlying 1017 // SharedBuffer of this Region, this reference is freed 1018 // in onDisplayed() 1019 hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen; 1020 SharedBuffer const* sb = reg.getSharedBuffer(&visibleRegion.numRects); 1021 visibleRegion.rects = reinterpret_cast<hwc_rect_t const *>(sb->data()); 1022 } 1023 virtual void setSidebandStream(const sp<NativeHandle>& stream) { 1024 ALOG_ASSERT(stream->handle() != NULL); 1025 getLayer()->compositionType = HWC_SIDEBAND; 1026 getLayer()->sidebandStream = stream->handle(); 1027 } 1028 virtual void setBuffer(const sp<GraphicBuffer>& buffer) { 1029 if (buffer == 0 || buffer->handle == 0) { 1030 getLayer()->compositionType = HWC_FRAMEBUFFER; 1031 getLayer()->flags |= HWC_SKIP_LAYER; 1032 getLayer()->handle = 0; 1033 } else { 1034 if (getLayer()->compositionType == HWC_SIDEBAND) { 1035 // If this was a sideband layer but the stream was removed, reset 1036 // it to FRAMEBUFFER. The HWC can change it to OVERLAY in prepare. 1037 getLayer()->compositionType = HWC_FRAMEBUFFER; 1038 } 1039 getLayer()->handle = buffer->handle; 1040 } 1041 } 1042 virtual void onDisplayed() { 1043 hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen; 1044 SharedBuffer const* sb = SharedBuffer::bufferFromData(visibleRegion.rects); 1045 if (sb) { 1046 sb->release(); 1047 // not technically needed but safer 1048 visibleRegion.numRects = 0; 1049 visibleRegion.rects = NULL; 1050 } 1051 1052 getLayer()->acquireFenceFd = -1; 1053 } 1054 }; 1055 1056 /* 1057 * returns an iterator initialized at a given index in the layer list 1058 */ 1059 HWComposer::LayerListIterator HWComposer::getLayerIterator(int32_t id, size_t index) { 1060 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 1061 return LayerListIterator(); 1062 } 1063 const DisplayData& disp(mDisplayData[id]); 1064 if (!mHwc || !disp.list || index > disp.list->numHwLayers) { 1065 return LayerListIterator(); 1066 } 1067 return LayerListIterator(new HWCLayerVersion1(mHwc, disp.list->hwLayers), index); 1068 } 1069 1070 /* 1071 * returns an iterator on the beginning of the layer list 1072 */ 1073 HWComposer::LayerListIterator HWComposer::begin(int32_t id) { 1074 return getLayerIterator(id, 0); 1075 } 1076 1077 /* 1078 * returns an iterator on the end of the layer list 1079 */ 1080 HWComposer::LayerListIterator HWComposer::end(int32_t id) { 1081 size_t numLayers = 0; 1082 if (uint32_t(id) <= 31 && mAllocatedDisplayIDs.hasBit(id)) { 1083 const DisplayData& disp(mDisplayData[id]); 1084 if (mHwc && disp.list) { 1085 numLayers = disp.list->numHwLayers; 1086 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 1087 // with HWC 1.1, the last layer is always the HWC_FRAMEBUFFER_TARGET, 1088 // which we ignore when iterating through the layer list. 1089 ALOGE_IF(!numLayers, "mDisplayData[%d].list->numHwLayers is 0", id); 1090 if (numLayers) { 1091 numLayers--; 1092 } 1093 } 1094 } 1095 } 1096 return getLayerIterator(id, numLayers); 1097 } 1098 1099 // Converts a PixelFormat to a human-readable string. Max 11 chars. 1100 // (Could use a table of prefab String8 objects.) 1101 static String8 getFormatStr(PixelFormat format) { 1102 switch (format) { 1103 case PIXEL_FORMAT_RGBA_8888: return String8("RGBA_8888"); 1104 case PIXEL_FORMAT_RGBX_8888: return String8("RGBx_8888"); 1105 case PIXEL_FORMAT_RGB_888: return String8("RGB_888"); 1106 case PIXEL_FORMAT_RGB_565: return String8("RGB_565"); 1107 case PIXEL_FORMAT_BGRA_8888: return String8("BGRA_8888"); 1108 case PIXEL_FORMAT_sRGB_A_8888: return String8("sRGB_A_8888"); 1109 case PIXEL_FORMAT_sRGB_X_8888: return String8("sRGB_x_8888"); 1110 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 1111 return String8("ImplDef"); 1112 default: 1113 String8 result; 1114 result.appendFormat("? %08x", format); 1115 return result; 1116 } 1117 } 1118 1119 void HWComposer::dump(String8& result) const { 1120 if (mHwc) { 1121 result.appendFormat("Hardware Composer state (version %08x):\n", hwcApiVersion(mHwc)); 1122 result.appendFormat(" mDebugForceFakeVSync=%d\n", mDebugForceFakeVSync); 1123 for (size_t i=0 ; i<mNumDisplays ; i++) { 1124 const DisplayData& disp(mDisplayData[i]); 1125 if (!disp.connected) 1126 continue; 1127 1128 const Vector< sp<Layer> >& visibleLayersSortedByZ = 1129 mFlinger->getLayerSortedByZForHwcDisplay(i); 1130 1131 1132 result.appendFormat(" Display[%zd] configurations (* current):\n", i); 1133 for (size_t c = 0; c < disp.configs.size(); ++c) { 1134 const DisplayConfig& config(disp.configs[c]); 1135 result.appendFormat(" %s%zd: %ux%u, xdpi=%f, ydpi=%f, refresh=%" PRId64 "\n", 1136 c == disp.currentConfig ? "* " : "", c, config.width, config.height, 1137 config.xdpi, config.ydpi, config.refresh); 1138 } 1139 1140 if (disp.list) { 1141 result.appendFormat( 1142 " numHwLayers=%zu, flags=%08x\n", 1143 disp.list->numHwLayers, disp.list->flags); 1144 1145 result.append( 1146 " type | handle | hint | flag | tr | blnd | format | source crop (l,t,r,b) | frame | name \n" 1147 "-----------+----------+------+------+----+------+-------------+--------------------------------+------------------------+------\n"); 1148 // " _________ | ________ | ____ | ____ | __ | ____ | ___________ |_____._,_____._,_____._,_____._ |_____,_____,_____,_____ | ___... 1149 for (size_t i=0 ; i<disp.list->numHwLayers ; i++) { 1150 const hwc_layer_1_t&l = disp.list->hwLayers[i]; 1151 int32_t format = -1; 1152 String8 name("unknown"); 1153 1154 if (i < visibleLayersSortedByZ.size()) { 1155 const sp<Layer>& layer(visibleLayersSortedByZ[i]); 1156 const sp<GraphicBuffer>& buffer( 1157 layer->getActiveBuffer()); 1158 if (buffer != NULL) { 1159 format = buffer->getPixelFormat(); 1160 } 1161 name = layer->getName(); 1162 } 1163 1164 int type = l.compositionType; 1165 if (type == HWC_FRAMEBUFFER_TARGET) { 1166 name = "HWC_FRAMEBUFFER_TARGET"; 1167 format = disp.format; 1168 } 1169 1170 static char const* compositionTypeName[] = { 1171 "GLES", 1172 "HWC", 1173 "BKGND", 1174 "FB TARGET", 1175 "SIDEBAND", 1176 "HWC_CURSOR", 1177 "UNKNOWN"}; 1178 if (type >= NELEM(compositionTypeName)) 1179 type = NELEM(compositionTypeName) - 1; 1180 1181 String8 formatStr = getFormatStr(format); 1182 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 1183 result.appendFormat( 1184 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7.1f,%7.1f,%7.1f,%7.1f |%5d,%5d,%5d,%5d | %s\n", 1185 compositionTypeName[type], 1186 intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(), 1187 l.sourceCropf.left, l.sourceCropf.top, l.sourceCropf.right, l.sourceCropf.bottom, 1188 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1189 name.string()); 1190 } else { 1191 result.appendFormat( 1192 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7d,%7d,%7d,%7d |%5d,%5d,%5d,%5d | %s\n", 1193 compositionTypeName[type], 1194 intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(), 1195 l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom, 1196 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1197 name.string()); 1198 } 1199 } 1200 } 1201 } 1202 } 1203 1204 if (mHwc && mHwc->dump) { 1205 const size_t SIZE = 4096; 1206 char buffer[SIZE]; 1207 mHwc->dump(mHwc, buffer, SIZE); 1208 result.append(buffer); 1209 } 1210 } 1211 1212 // --------------------------------------------------------------------------- 1213 1214 HWComposer::VSyncThread::VSyncThread(HWComposer& hwc) 1215 : mHwc(hwc), mEnabled(false), 1216 mNextFakeVSync(0), 1217 mRefreshPeriod(hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY)) 1218 { 1219 } 1220 1221 void HWComposer::VSyncThread::setEnabled(bool enabled) { 1222 Mutex::Autolock _l(mLock); 1223 if (mEnabled != enabled) { 1224 mEnabled = enabled; 1225 mCondition.signal(); 1226 } 1227 } 1228 1229 void HWComposer::VSyncThread::onFirstRef() { 1230 run("VSyncThread", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE); 1231 } 1232 1233 bool HWComposer::VSyncThread::threadLoop() { 1234 { // scope for lock 1235 Mutex::Autolock _l(mLock); 1236 while (!mEnabled) { 1237 mCondition.wait(mLock); 1238 } 1239 } 1240 1241 const nsecs_t period = mRefreshPeriod; 1242 const nsecs_t now = systemTime(CLOCK_MONOTONIC); 1243 nsecs_t next_vsync = mNextFakeVSync; 1244 nsecs_t sleep = next_vsync - now; 1245 if (sleep < 0) { 1246 // we missed, find where the next vsync should be 1247 sleep = (period - ((now - next_vsync) % period)); 1248 next_vsync = now + sleep; 1249 } 1250 mNextFakeVSync = next_vsync + period; 1251 1252 struct timespec spec; 1253 spec.tv_sec = next_vsync / 1000000000; 1254 spec.tv_nsec = next_vsync % 1000000000; 1255 1256 int err; 1257 do { 1258 err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL); 1259 } while (err<0 && errno == EINTR); 1260 1261 if (err == 0) { 1262 mHwc.mEventHandler.onVSyncReceived(0, next_vsync); 1263 } 1264 1265 return true; 1266 } 1267 1268 HWComposer::DisplayData::DisplayData() 1269 : configs(), 1270 currentConfig(0), 1271 format(HAL_PIXEL_FORMAT_RGBA_8888), 1272 connected(false), 1273 hasFbComp(false), hasOvComp(false), 1274 capacity(0), list(NULL), 1275 framebufferTarget(NULL), fbTargetHandle(0), 1276 lastRetireFence(Fence::NO_FENCE), lastDisplayFence(Fence::NO_FENCE), 1277 outbufHandle(NULL), outbufAcquireFence(Fence::NO_FENCE), 1278 events(0) 1279 {} 1280 1281 HWComposer::DisplayData::~DisplayData() { 1282 free(list); 1283 } 1284 1285 // --------------------------------------------------------------------------- 1286 }; // namespace android 1287
