HWComposer_hwc1.cpp revision 9e56aa0fdb5f7121b9b975c6c16db103ea4d2fe9
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_COLOR_TRANSFORM, 340 HWC_DISPLAY_NO_ATTRIBUTE, 341}; 342#define NUM_DISPLAY_ATTRIBUTES (sizeof(DISPLAY_ATTRIBUTES) / sizeof(DISPLAY_ATTRIBUTES)[0]) 343 344static const uint32_t PRE_HWC15_DISPLAY_ATTRIBUTES[] = { 345 HWC_DISPLAY_VSYNC_PERIOD, 346 HWC_DISPLAY_WIDTH, 347 HWC_DISPLAY_HEIGHT, 348 HWC_DISPLAY_DPI_X, 349 HWC_DISPLAY_DPI_Y, 350 HWC_DISPLAY_NO_ATTRIBUTE, 351}; 352 353status_t HWComposer::queryDisplayProperties(int disp) { 354 355 LOG_ALWAYS_FATAL_IF(!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)); 356 357 // use zero as default value for unspecified attributes 358 int32_t values[NUM_DISPLAY_ATTRIBUTES - 1]; 359 memset(values, 0, sizeof(values)); 360 361 const size_t MAX_NUM_CONFIGS = 128; 362 uint32_t configs[MAX_NUM_CONFIGS] = {0}; 363 size_t numConfigs = MAX_NUM_CONFIGS; 364 status_t err = mHwc->getDisplayConfigs(mHwc, disp, configs, &numConfigs); 365 if (err != NO_ERROR) { 366 // this can happen if an unpluggable display is not connected 367 mDisplayData[disp].connected = false; 368 return err; 369 } 370 371 mDisplayData[disp].currentConfig = 0; 372 for (size_t c = 0; c < numConfigs; ++c) { 373 err = mHwc->getDisplayAttributes(mHwc, disp, configs[c], 374 DISPLAY_ATTRIBUTES, values); 375 // If this is a pre-1.5 HWC, it may not know about color transform, so 376 // try again with a smaller set of attributes 377 if (err != NO_ERROR) { 378 err = mHwc->getDisplayAttributes(mHwc, disp, configs[c], 379 PRE_HWC15_DISPLAY_ATTRIBUTES, values); 380 } 381 if (err != NO_ERROR) { 382 // we can't get this display's info. turn it off. 383 mDisplayData[disp].connected = false; 384 return err; 385 } 386 387 DisplayConfig config = DisplayConfig(); 388 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 389 switch (DISPLAY_ATTRIBUTES[i]) { 390 case HWC_DISPLAY_VSYNC_PERIOD: 391 config.refresh = nsecs_t(values[i]); 392 break; 393 case HWC_DISPLAY_WIDTH: 394 config.width = values[i]; 395 break; 396 case HWC_DISPLAY_HEIGHT: 397 config.height = values[i]; 398 break; 399 case HWC_DISPLAY_DPI_X: 400 config.xdpi = values[i] / 1000.0f; 401 break; 402 case HWC_DISPLAY_DPI_Y: 403 config.ydpi = values[i] / 1000.0f; 404 break; 405 case HWC_DISPLAY_COLOR_TRANSFORM: 406 config.colorTransform = values[i]; 407 break; 408 default: 409 ALOG_ASSERT(false, "unknown display attribute[%zu] %#x", 410 i, DISPLAY_ATTRIBUTES[i]); 411 break; 412 } 413 } 414 415 if (config.xdpi == 0.0f || config.ydpi == 0.0f) { 416 float dpi = getDefaultDensity(config.width, config.height); 417 config.xdpi = dpi; 418 config.ydpi = dpi; 419 } 420 421 mDisplayData[disp].configs.push_back(config); 422 } 423 424 // FIXME: what should we set the format to? 425 mDisplayData[disp].format = HAL_PIXEL_FORMAT_RGBA_8888; 426 mDisplayData[disp].connected = true; 427 return NO_ERROR; 428} 429 430status_t HWComposer::setVirtualDisplayProperties(int32_t id, 431 uint32_t w, uint32_t h, uint32_t format) { 432 if (id < VIRTUAL_DISPLAY_ID_BASE || id >= int32_t(mNumDisplays) || 433 !mAllocatedDisplayIDs.hasBit(id)) { 434 return BAD_INDEX; 435 } 436 size_t configId = mDisplayData[id].currentConfig; 437 mDisplayData[id].format = format; 438 DisplayConfig& config = mDisplayData[id].configs.editItemAt(configId); 439 config.width = w; 440 config.height = h; 441 config.xdpi = config.ydpi = getDefaultDensity(w, h); 442 return NO_ERROR; 443} 444 445int32_t HWComposer::allocateDisplayId() { 446 if (mAllocatedDisplayIDs.count() >= mNumDisplays) { 447 return NO_MEMORY; 448 } 449 int32_t id = mAllocatedDisplayIDs.firstUnmarkedBit(); 450 mAllocatedDisplayIDs.markBit(id); 451 mDisplayData[id].connected = true; 452 mDisplayData[id].configs.resize(1); 453 mDisplayData[id].currentConfig = 0; 454 return id; 455} 456 457status_t HWComposer::freeDisplayId(int32_t id) { 458 if (id < NUM_BUILTIN_DISPLAYS) { 459 // cannot free the reserved IDs 460 return BAD_VALUE; 461 } 462 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 463 return BAD_INDEX; 464 } 465 mAllocatedDisplayIDs.clearBit(id); 466 mDisplayData[id].connected = false; 467 return NO_ERROR; 468} 469 470nsecs_t HWComposer::getRefreshTimestamp(int disp) const { 471 // this returns the last refresh timestamp. 472 // if the last one is not available, we estimate it based on 473 // the refresh period and whatever closest timestamp we have. 474 Mutex::Autolock _l(mLock); 475 nsecs_t now = systemTime(CLOCK_MONOTONIC); 476 size_t configId = mDisplayData[disp].currentConfig; 477 return now - ((now - mLastHwVSync[disp]) % 478 mDisplayData[disp].configs[configId].refresh); 479} 480 481sp<Fence> HWComposer::getDisplayFence(int disp) const { 482 return mDisplayData[disp].lastDisplayFence; 483} 484 485uint32_t HWComposer::getFormat(int disp) const { 486 if (static_cast<uint32_t>(disp) >= MAX_HWC_DISPLAYS || !mAllocatedDisplayIDs.hasBit(disp)) { 487 return HAL_PIXEL_FORMAT_RGBA_8888; 488 } else { 489 return mDisplayData[disp].format; 490 } 491} 492 493bool HWComposer::isConnected(int disp) const { 494 return mDisplayData[disp].connected; 495} 496 497uint32_t HWComposer::getWidth(int disp) const { 498 size_t currentConfig = mDisplayData[disp].currentConfig; 499 return mDisplayData[disp].configs[currentConfig].width; 500} 501 502uint32_t HWComposer::getHeight(int disp) const { 503 size_t currentConfig = mDisplayData[disp].currentConfig; 504 return mDisplayData[disp].configs[currentConfig].height; 505} 506 507float HWComposer::getDpiX(int disp) const { 508 size_t currentConfig = mDisplayData[disp].currentConfig; 509 return mDisplayData[disp].configs[currentConfig].xdpi; 510} 511 512float HWComposer::getDpiY(int disp) const { 513 size_t currentConfig = mDisplayData[disp].currentConfig; 514 return mDisplayData[disp].configs[currentConfig].ydpi; 515} 516 517nsecs_t HWComposer::getRefreshPeriod(int disp) const { 518 size_t currentConfig = mDisplayData[disp].currentConfig; 519 return mDisplayData[disp].configs[currentConfig].refresh; 520} 521 522const Vector<HWComposer::DisplayConfig>& HWComposer::getConfigs(int disp) const { 523 return mDisplayData[disp].configs; 524} 525 526size_t HWComposer::getCurrentConfig(int disp) const { 527 return mDisplayData[disp].currentConfig; 528} 529 530void HWComposer::eventControl(int disp, int event, int enabled) { 531 if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) { 532 ALOGD("eventControl ignoring event %d on unallocated disp %d (en=%d)", 533 event, disp, enabled); 534 return; 535 } 536 if (event != EVENT_VSYNC) { 537 ALOGW("eventControl got unexpected event %d (disp=%d en=%d)", 538 event, disp, enabled); 539 return; 540 } 541 status_t err = NO_ERROR; 542 if (mHwc && !mDebugForceFakeVSync) { 543 // NOTE: we use our own internal lock here because we have to call 544 // into the HWC with the lock held, and we want to make sure 545 // that even if HWC blocks (which it shouldn't), it won't 546 // affect other threads. 547 Mutex::Autolock _l(mEventControlLock); 548 const int32_t eventBit = 1UL << event; 549 const int32_t newValue = enabled ? eventBit : 0; 550 const int32_t oldValue = mDisplayData[disp].events & eventBit; 551 if (newValue != oldValue) { 552 ATRACE_CALL(); 553 err = mHwc->eventControl(mHwc, disp, event, enabled); 554 if (!err) { 555 int32_t& events(mDisplayData[disp].events); 556 events = (events & ~eventBit) | newValue; 557 558 char tag[16]; 559 snprintf(tag, sizeof(tag), "HW_VSYNC_ON_%1u", disp); 560 ATRACE_INT(tag, enabled); 561 } 562 } 563 // error here should not happen -- not sure what we should 564 // do if it does. 565 ALOGE_IF(err, "eventControl(%d, %d) failed %s", 566 event, enabled, strerror(-err)); 567 } 568 569 if (err == NO_ERROR && mVSyncThread != NULL) { 570 mVSyncThread->setEnabled(enabled); 571 } 572} 573 574status_t HWComposer::createWorkList(int32_t id, size_t numLayers) { 575 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 576 return BAD_INDEX; 577 } 578 579 if (mHwc) { 580 DisplayData& disp(mDisplayData[id]); 581 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 582 // we need space for the HWC_FRAMEBUFFER_TARGET 583 numLayers++; 584 } 585 if (disp.capacity < numLayers || disp.list == NULL) { 586 size_t size = sizeof(hwc_display_contents_1_t) 587 + numLayers * sizeof(hwc_layer_1_t); 588 free(disp.list); 589 disp.list = (hwc_display_contents_1_t*)malloc(size); 590 disp.capacity = numLayers; 591 } 592 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 593 disp.framebufferTarget = &disp.list->hwLayers[numLayers - 1]; 594 memset(disp.framebufferTarget, 0, sizeof(hwc_layer_1_t)); 595 const DisplayConfig& currentConfig = 596 disp.configs[disp.currentConfig]; 597 const hwc_rect_t r = { 0, 0, 598 (int) currentConfig.width, (int) currentConfig.height }; 599 disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET; 600 disp.framebufferTarget->hints = 0; 601 disp.framebufferTarget->flags = 0; 602 disp.framebufferTarget->handle = disp.fbTargetHandle; 603 disp.framebufferTarget->transform = 0; 604 disp.framebufferTarget->blending = HWC_BLENDING_PREMULT; 605 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 606 disp.framebufferTarget->sourceCropf.left = 0; 607 disp.framebufferTarget->sourceCropf.top = 0; 608 disp.framebufferTarget->sourceCropf.right = 609 currentConfig.width; 610 disp.framebufferTarget->sourceCropf.bottom = 611 currentConfig.height; 612 } else { 613 disp.framebufferTarget->sourceCrop = r; 614 } 615 disp.framebufferTarget->displayFrame = r; 616 disp.framebufferTarget->visibleRegionScreen.numRects = 1; 617 disp.framebufferTarget->visibleRegionScreen.rects = 618 &disp.framebufferTarget->displayFrame; 619 disp.framebufferTarget->acquireFenceFd = -1; 620 disp.framebufferTarget->releaseFenceFd = -1; 621 disp.framebufferTarget->planeAlpha = 0xFF; 622 } 623 disp.list->retireFenceFd = -1; 624 disp.list->flags = HWC_GEOMETRY_CHANGED; 625 disp.list->numHwLayers = numLayers; 626 } 627 return NO_ERROR; 628} 629 630status_t HWComposer::setFramebufferTarget(int32_t id, 631 const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buf) { 632 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 633 return BAD_INDEX; 634 } 635 DisplayData& disp(mDisplayData[id]); 636 if (!disp.framebufferTarget) { 637 // this should never happen, but apparently eglCreateWindowSurface() 638 // triggers a Surface::queueBuffer() on some 639 // devices (!?) -- log and ignore. 640 ALOGE("HWComposer: framebufferTarget is null"); 641 return NO_ERROR; 642 } 643 644 int acquireFenceFd = -1; 645 if (acquireFence->isValid()) { 646 acquireFenceFd = acquireFence->dup(); 647 } 648 649 // ALOGD("fbPost: handle=%p, fence=%d", buf->handle, acquireFenceFd); 650 disp.fbTargetHandle = buf->handle; 651 disp.framebufferTarget->handle = disp.fbTargetHandle; 652 disp.framebufferTarget->acquireFenceFd = acquireFenceFd; 653 return NO_ERROR; 654} 655 656status_t HWComposer::prepare() { 657 Mutex::Autolock _l(mDisplayLock); 658 for (size_t i=0 ; i<mNumDisplays ; i++) { 659 DisplayData& disp(mDisplayData[i]); 660 if (disp.framebufferTarget) { 661 // make sure to reset the type to HWC_FRAMEBUFFER_TARGET 662 // DO NOT reset the handle field to NULL, because it's possible 663 // that we have nothing to redraw (eg: eglSwapBuffers() not called) 664 // in which case, we should continue to use the same buffer. 665 LOG_FATAL_IF(disp.list == NULL); 666 disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET; 667 } 668 if (!disp.connected && disp.list != NULL) { 669 ALOGW("WARNING: disp %zu: connected, non-null list, layers=%zu", 670 i, disp.list->numHwLayers); 671 } 672 mLists[i] = disp.list; 673 if (mLists[i]) { 674 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 675 mLists[i]->outbuf = disp.outbufHandle; 676 mLists[i]->outbufAcquireFenceFd = -1; 677 } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 678 // garbage data to catch improper use 679 mLists[i]->dpy = (hwc_display_t)0xDEADBEEF; 680 mLists[i]->sur = (hwc_surface_t)0xDEADBEEF; 681 } else { 682 mLists[i]->dpy = EGL_NO_DISPLAY; 683 mLists[i]->sur = EGL_NO_SURFACE; 684 } 685 } 686 } 687 688 int err = mHwc->prepare(mHwc, mNumDisplays, mLists); 689 ALOGE_IF(err, "HWComposer: prepare failed (%s)", strerror(-err)); 690 691 if (err == NO_ERROR) { 692 // here we're just making sure that "skip" layers are set 693 // to HWC_FRAMEBUFFER and we're also counting how many layers 694 // we have of each type. 695 // 696 // If there are no window layers, we treat the display has having FB 697 // composition, because SurfaceFlinger will use GLES to draw the 698 // wormhole region. 699 for (size_t i=0 ; i<mNumDisplays ; i++) { 700 DisplayData& disp(mDisplayData[i]); 701 disp.hasFbComp = false; 702 disp.hasOvComp = false; 703 if (disp.list) { 704 for (size_t i=0 ; i<disp.list->numHwLayers ; i++) { 705 hwc_layer_1_t& l = disp.list->hwLayers[i]; 706 707 //ALOGD("prepare: %d, type=%d, handle=%p", 708 // i, l.compositionType, l.handle); 709 710 if (l.flags & HWC_SKIP_LAYER) { 711 l.compositionType = HWC_FRAMEBUFFER; 712 } 713 if (l.compositionType == HWC_FRAMEBUFFER) { 714 disp.hasFbComp = true; 715 } 716 if (l.compositionType == HWC_OVERLAY) { 717 disp.hasOvComp = true; 718 } 719 if (l.compositionType == HWC_CURSOR_OVERLAY) { 720 disp.hasOvComp = true; 721 } 722 } 723 if (disp.list->numHwLayers == (disp.framebufferTarget ? 1 : 0)) { 724 disp.hasFbComp = true; 725 } 726 } else { 727 disp.hasFbComp = true; 728 } 729 } 730 } 731 return (status_t)err; 732} 733 734bool HWComposer::hasHwcComposition(int32_t id) const { 735 if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 736 return false; 737 return mDisplayData[id].hasOvComp; 738} 739 740bool HWComposer::hasGlesComposition(int32_t id) const { 741 if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 742 return true; 743 return mDisplayData[id].hasFbComp; 744} 745 746sp<Fence> HWComposer::getAndResetReleaseFence(int32_t id) { 747 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 748 return Fence::NO_FENCE; 749 750 int fd = INVALID_OPERATION; 751 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 752 const DisplayData& disp(mDisplayData[id]); 753 if (disp.framebufferTarget) { 754 fd = disp.framebufferTarget->releaseFenceFd; 755 disp.framebufferTarget->acquireFenceFd = -1; 756 disp.framebufferTarget->releaseFenceFd = -1; 757 } 758 } 759 return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE; 760} 761 762status_t HWComposer::commit() { 763 int err = NO_ERROR; 764 if (mHwc) { 765 if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 766 // On version 1.0, the OpenGL ES target surface is communicated 767 // by the (dpy, sur) fields and we are guaranteed to have only 768 // a single display. 769 mLists[0]->dpy = eglGetCurrentDisplay(); 770 mLists[0]->sur = eglGetCurrentSurface(EGL_DRAW); 771 } 772 773 for (size_t i=VIRTUAL_DISPLAY_ID_BASE; i<mNumDisplays; i++) { 774 DisplayData& disp(mDisplayData[i]); 775 if (disp.outbufHandle) { 776 mLists[i]->outbuf = disp.outbufHandle; 777 mLists[i]->outbufAcquireFenceFd = 778 disp.outbufAcquireFence->dup(); 779 } 780 } 781 782 err = mHwc->set(mHwc, mNumDisplays, mLists); 783 784 for (size_t i=0 ; i<mNumDisplays ; i++) { 785 DisplayData& disp(mDisplayData[i]); 786 disp.lastDisplayFence = disp.lastRetireFence; 787 disp.lastRetireFence = Fence::NO_FENCE; 788 if (disp.list) { 789 if (disp.list->retireFenceFd != -1) { 790 disp.lastRetireFence = new Fence(disp.list->retireFenceFd); 791 disp.list->retireFenceFd = -1; 792 } 793 disp.list->flags &= ~HWC_GEOMETRY_CHANGED; 794 } 795 } 796 } 797 return (status_t)err; 798} 799 800status_t HWComposer::setPowerMode(int disp, int mode) { 801 LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE); 802 if (mHwc) { 803 if (mode == HWC_POWER_MODE_OFF) { 804 eventControl(disp, HWC_EVENT_VSYNC, 0); 805 } 806 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 807 return (status_t)mHwc->setPowerMode(mHwc, disp, mode); 808 } else { 809 return (status_t)mHwc->blank(mHwc, disp, 810 mode == HWC_POWER_MODE_OFF ? 1 : 0); 811 } 812 } 813 return NO_ERROR; 814} 815 816status_t HWComposer::setActiveConfig(int disp, int mode) { 817 LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE); 818 DisplayData& dd(mDisplayData[disp]); 819 dd.currentConfig = mode; 820 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 821 return (status_t)mHwc->setActiveConfig(mHwc, disp, mode); 822 } else { 823 LOG_FATAL_IF(mode != 0); 824 } 825 return NO_ERROR; 826} 827 828void HWComposer::disconnectDisplay(int disp) { 829 LOG_ALWAYS_FATAL_IF(disp < 0 || disp == HWC_DISPLAY_PRIMARY); 830 DisplayData& dd(mDisplayData[disp]); 831 free(dd.list); 832 dd.list = NULL; 833 dd.framebufferTarget = NULL; // points into dd.list 834 dd.fbTargetHandle = NULL; 835 dd.outbufHandle = NULL; 836 dd.lastRetireFence = Fence::NO_FENCE; 837 dd.lastDisplayFence = Fence::NO_FENCE; 838 dd.outbufAcquireFence = Fence::NO_FENCE; 839 // clear all the previous configs and repopulate when a new 840 // device is added 841 dd.configs.clear(); 842} 843 844int HWComposer::getVisualID() const { 845 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 846 // FIXME: temporary hack until HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED 847 // is supported by the implementation. we can only be in this case 848 // if we have HWC 1.1 849 return HAL_PIXEL_FORMAT_RGBA_8888; 850 //return HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 851 } else { 852 return mFbDev->format; 853 } 854} 855 856bool HWComposer::supportsFramebufferTarget() const { 857 return (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)); 858} 859 860int HWComposer::fbPost(int32_t id, 861 const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buffer) { 862 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 863 return setFramebufferTarget(id, acquireFence, buffer); 864 } else { 865 acquireFence->waitForever("HWComposer::fbPost"); 866 return mFbDev->post(mFbDev, buffer->handle); 867 } 868} 869 870int HWComposer::fbCompositionComplete() { 871 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) 872 return NO_ERROR; 873 874 if (mFbDev->compositionComplete) { 875 return mFbDev->compositionComplete(mFbDev); 876 } else { 877 return INVALID_OPERATION; 878 } 879} 880 881void HWComposer::fbDump(String8& result) { 882 if (mFbDev && mFbDev->common.version >= 1 && mFbDev->dump) { 883 const size_t SIZE = 4096; 884 char buffer[SIZE]; 885 mFbDev->dump(mFbDev, buffer, SIZE); 886 result.append(buffer); 887 } 888} 889 890status_t HWComposer::setOutputBuffer(int32_t id, const sp<Fence>& acquireFence, 891 const sp<GraphicBuffer>& buf) { 892 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 893 return BAD_INDEX; 894 if (id < VIRTUAL_DISPLAY_ID_BASE) 895 return INVALID_OPERATION; 896 897 DisplayData& disp(mDisplayData[id]); 898 disp.outbufHandle = buf->handle; 899 disp.outbufAcquireFence = acquireFence; 900 return NO_ERROR; 901} 902 903sp<Fence> HWComposer::getLastRetireFence(int32_t id) const { 904 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 905 return Fence::NO_FENCE; 906 return mDisplayData[id].lastRetireFence; 907} 908 909status_t HWComposer::setCursorPositionAsync(int32_t id, const Rect& pos) 910{ 911 if (mHwc->setCursorPositionAsync) { 912 return (status_t)mHwc->setCursorPositionAsync(mHwc, id, pos.left, pos.top); 913 } 914 else { 915 return NO_ERROR; 916 } 917} 918 919/* 920 * Helper template to implement a concrete HWCLayer 921 * This holds the pointer to the concrete hwc layer type 922 * and implements the "iterable" side of HWCLayer. 923 */ 924template<typename CONCRETE, typename HWCTYPE> 925class Iterable : public HWComposer::HWCLayer { 926protected: 927 HWCTYPE* const mLayerList; 928 HWCTYPE* mCurrentLayer; 929 Iterable(HWCTYPE* layer) : mLayerList(layer), mCurrentLayer(layer) { } 930 inline HWCTYPE const * getLayer() const { return mCurrentLayer; } 931 inline HWCTYPE* getLayer() { return mCurrentLayer; } 932 virtual ~Iterable() { } 933private: 934 // returns a copy of ourselves 935 virtual HWComposer::HWCLayer* dup() { 936 return new CONCRETE( static_cast<const CONCRETE&>(*this) ); 937 } 938 virtual status_t setLayer(size_t index) { 939 mCurrentLayer = &mLayerList[index]; 940 return NO_ERROR; 941 } 942}; 943 944/* 945 * Concrete implementation of HWCLayer for HWC_DEVICE_API_VERSION_1_0. 946 * This implements the HWCLayer side of HWCIterableLayer. 947 */ 948class HWCLayerVersion1 : public Iterable<HWCLayerVersion1, hwc_layer_1_t> { 949 struct hwc_composer_device_1* mHwc; 950public: 951 HWCLayerVersion1(struct hwc_composer_device_1* hwc, hwc_layer_1_t* layer) 952 : Iterable<HWCLayerVersion1, hwc_layer_1_t>(layer), mHwc(hwc) { } 953 954 virtual int32_t getCompositionType() const { 955 return getLayer()->compositionType; 956 } 957 virtual uint32_t getHints() const { 958 return getLayer()->hints; 959 } 960 virtual sp<Fence> getAndResetReleaseFence() { 961 int fd = getLayer()->releaseFenceFd; 962 getLayer()->releaseFenceFd = -1; 963 return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE; 964 } 965 virtual void setAcquireFenceFd(int fenceFd) { 966 getLayer()->acquireFenceFd = fenceFd; 967 } 968 virtual void setPerFrameDefaultState() { 969 //getLayer()->compositionType = HWC_FRAMEBUFFER; 970 } 971 virtual void setPlaneAlpha(uint8_t alpha) { 972 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) { 973 getLayer()->planeAlpha = alpha; 974 } else { 975 if (alpha < 0xFF) { 976 getLayer()->flags |= HWC_SKIP_LAYER; 977 } 978 } 979 } 980 virtual void setDefaultState() { 981 hwc_layer_1_t* const l = getLayer(); 982 l->compositionType = HWC_FRAMEBUFFER; 983 l->hints = 0; 984 l->flags = HWC_SKIP_LAYER; 985 l->handle = 0; 986 l->transform = 0; 987 l->blending = HWC_BLENDING_NONE; 988 l->visibleRegionScreen.numRects = 0; 989 l->visibleRegionScreen.rects = NULL; 990 l->acquireFenceFd = -1; 991 l->releaseFenceFd = -1; 992 l->planeAlpha = 0xFF; 993 } 994 virtual void setSkip(bool skip) { 995 if (skip) { 996 getLayer()->flags |= HWC_SKIP_LAYER; 997 } else { 998 getLayer()->flags &= ~HWC_SKIP_LAYER; 999 } 1000 } 1001 virtual void setIsCursorLayerHint(bool isCursor) { 1002 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 1003 if (isCursor) { 1004 getLayer()->flags |= HWC_IS_CURSOR_LAYER; 1005 } 1006 else { 1007 getLayer()->flags &= ~HWC_IS_CURSOR_LAYER; 1008 } 1009 } 1010 } 1011 virtual void setBlending(uint32_t blending) { 1012 getLayer()->blending = blending; 1013 } 1014 virtual void setTransform(uint32_t transform) { 1015 getLayer()->transform = transform; 1016 } 1017 virtual void setFrame(const Rect& frame) { 1018 getLayer()->displayFrame = reinterpret_cast<hwc_rect_t const&>(frame); 1019 } 1020 virtual void setCrop(const FloatRect& crop) { 1021 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 1022 getLayer()->sourceCropf = reinterpret_cast<hwc_frect_t const&>(crop); 1023 } else { 1024 /* 1025 * Since h/w composer didn't support a flot crop rect before version 1.3, 1026 * using integer coordinates instead produces a different output from the GL code in 1027 * Layer::drawWithOpenGL(). The difference can be large if the buffer crop to 1028 * window size ratio is large and a window crop is defined 1029 * (i.e.: if we scale the buffer a lot and we also crop it with a window crop). 1030 */ 1031 hwc_rect_t& r = getLayer()->sourceCrop; 1032 r.left = int(ceilf(crop.left)); 1033 r.top = int(ceilf(crop.top)); 1034 r.right = int(floorf(crop.right)); 1035 r.bottom= int(floorf(crop.bottom)); 1036 } 1037 } 1038 virtual void setVisibleRegionScreen(const Region& reg) { 1039 hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen; 1040 mVisibleRegion = reg; 1041 visibleRegion.rects = reinterpret_cast<hwc_rect_t const *>( 1042 mVisibleRegion.getArray(&visibleRegion.numRects)); 1043 } 1044 virtual void setSurfaceDamage(const Region& reg) { 1045 if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_5)) { 1046 return; 1047 } 1048 hwc_region_t& surfaceDamage = getLayer()->surfaceDamage; 1049 // We encode default full-screen damage as INVALID_RECT upstream, but as 1050 // 0 rects for HWComposer 1051 if (reg.isRect() && reg.getBounds() == Rect::INVALID_RECT) { 1052 surfaceDamage.numRects = 0; 1053 surfaceDamage.rects = NULL; 1054 return; 1055 } 1056 mSurfaceDamage = reg; 1057 surfaceDamage.rects = reinterpret_cast<hwc_rect_t const *>( 1058 mSurfaceDamage.getArray(&surfaceDamage.numRects)); 1059 } 1060 virtual void setSidebandStream(const sp<NativeHandle>& stream) { 1061 ALOG_ASSERT(stream->handle() != NULL); 1062 getLayer()->compositionType = HWC_SIDEBAND; 1063 getLayer()->sidebandStream = stream->handle(); 1064 } 1065 virtual void setBuffer(const sp<GraphicBuffer>& buffer) { 1066 if (buffer == 0 || buffer->handle == 0) { 1067 getLayer()->compositionType = HWC_FRAMEBUFFER; 1068 getLayer()->flags |= HWC_SKIP_LAYER; 1069 getLayer()->handle = 0; 1070 } else { 1071 if (getLayer()->compositionType == HWC_SIDEBAND) { 1072 // If this was a sideband layer but the stream was removed, reset 1073 // it to FRAMEBUFFER. The HWC can change it to OVERLAY in prepare. 1074 getLayer()->compositionType = HWC_FRAMEBUFFER; 1075 } 1076 getLayer()->handle = buffer->handle; 1077 } 1078 } 1079 virtual void onDisplayed() { 1080 getLayer()->acquireFenceFd = -1; 1081 } 1082 1083protected: 1084 // We need to hold "copies" of these for memory management purposes. The 1085 // actual hwc_layer_1_t holds pointers to the memory within. Vector<> 1086 // internally doesn't copy the memory unless one of the copies is modified. 1087 Region mVisibleRegion; 1088 Region mSurfaceDamage; 1089}; 1090 1091/* 1092 * returns an iterator initialized at a given index in the layer list 1093 */ 1094HWComposer::LayerListIterator HWComposer::getLayerIterator(int32_t id, size_t index) { 1095 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 1096 return LayerListIterator(); 1097 } 1098 const DisplayData& disp(mDisplayData[id]); 1099 if (!mHwc || !disp.list || index > disp.list->numHwLayers) { 1100 return LayerListIterator(); 1101 } 1102 return LayerListIterator(new HWCLayerVersion1(mHwc, disp.list->hwLayers), index); 1103} 1104 1105/* 1106 * returns an iterator on the beginning of the layer list 1107 */ 1108HWComposer::LayerListIterator HWComposer::begin(int32_t id) { 1109 return getLayerIterator(id, 0); 1110} 1111 1112/* 1113 * returns an iterator on the end of the layer list 1114 */ 1115HWComposer::LayerListIterator HWComposer::end(int32_t id) { 1116 size_t numLayers = 0; 1117 if (uint32_t(id) <= 31 && mAllocatedDisplayIDs.hasBit(id)) { 1118 const DisplayData& disp(mDisplayData[id]); 1119 if (mHwc && disp.list) { 1120 numLayers = disp.list->numHwLayers; 1121 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 1122 // with HWC 1.1, the last layer is always the HWC_FRAMEBUFFER_TARGET, 1123 // which we ignore when iterating through the layer list. 1124 ALOGE_IF(!numLayers, "mDisplayData[%d].list->numHwLayers is 0", id); 1125 if (numLayers) { 1126 numLayers--; 1127 } 1128 } 1129 } 1130 } 1131 return getLayerIterator(id, numLayers); 1132} 1133 1134// Converts a PixelFormat to a human-readable string. Max 11 chars. 1135// (Could use a table of prefab String8 objects.) 1136static String8 getFormatStr(PixelFormat format) { 1137 switch (format) { 1138 case PIXEL_FORMAT_RGBA_8888: return String8("RGBA_8888"); 1139 case PIXEL_FORMAT_RGBX_8888: return String8("RGBx_8888"); 1140 case PIXEL_FORMAT_RGB_888: return String8("RGB_888"); 1141 case PIXEL_FORMAT_RGB_565: return String8("RGB_565"); 1142 case PIXEL_FORMAT_BGRA_8888: return String8("BGRA_8888"); 1143 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 1144 return String8("ImplDef"); 1145 default: 1146 String8 result; 1147 result.appendFormat("? %08x", format); 1148 return result; 1149 } 1150} 1151 1152void HWComposer::dump(String8& result) const { 1153 Mutex::Autolock _l(mDisplayLock); 1154 if (mHwc) { 1155 result.appendFormat("Hardware Composer state (version %08x):\n", hwcApiVersion(mHwc)); 1156 result.appendFormat(" mDebugForceFakeVSync=%d\n", mDebugForceFakeVSync); 1157 for (size_t i=0 ; i<mNumDisplays ; i++) { 1158 const DisplayData& disp(mDisplayData[i]); 1159 if (!disp.connected) 1160 continue; 1161 1162 const Vector< sp<Layer> >& visibleLayersSortedByZ = 1163 mFlinger->getLayerSortedByZForHwcDisplay(i); 1164 1165 1166 result.appendFormat(" Display[%zd] configurations (* current):\n", i); 1167 for (size_t c = 0; c < disp.configs.size(); ++c) { 1168 const DisplayConfig& config(disp.configs[c]); 1169 result.appendFormat(" %s%zd: %ux%u, xdpi=%f, ydpi=%f" 1170 ", refresh=%" PRId64 ", colorTransform=%d\n", 1171 c == disp.currentConfig ? "* " : "", c, 1172 config.width, config.height, config.xdpi, config.ydpi, 1173 config.refresh, config.colorTransform); 1174 } 1175 1176 if (disp.list) { 1177 result.appendFormat( 1178 " numHwLayers=%zu, flags=%08x\n", 1179 disp.list->numHwLayers, disp.list->flags); 1180 1181 result.append( 1182 " type | handle | hint | flag | tr | blnd | format | source crop (l,t,r,b) | frame | name \n" 1183 "-----------+----------+------+------+----+------+-------------+--------------------------------+------------------------+------\n"); 1184 // " _________ | ________ | ____ | ____ | __ | ____ | ___________ |_____._,_____._,_____._,_____._ |_____,_____,_____,_____ | ___... 1185 for (size_t i=0 ; i<disp.list->numHwLayers ; i++) { 1186 const hwc_layer_1_t&l = disp.list->hwLayers[i]; 1187 int32_t format = -1; 1188 String8 name("unknown"); 1189 1190 if (i < visibleLayersSortedByZ.size()) { 1191 const sp<Layer>& layer(visibleLayersSortedByZ[i]); 1192 const sp<GraphicBuffer>& buffer( 1193 layer->getActiveBuffer()); 1194 if (buffer != NULL) { 1195 format = buffer->getPixelFormat(); 1196 } 1197 name = layer->getName(); 1198 } 1199 1200 int type = l.compositionType; 1201 if (type == HWC_FRAMEBUFFER_TARGET) { 1202 name = "HWC_FRAMEBUFFER_TARGET"; 1203 format = disp.format; 1204 } 1205 1206 static char const* compositionTypeName[] = { 1207 "GLES", 1208 "HWC", 1209 "BKGND", 1210 "FB TARGET", 1211 "SIDEBAND", 1212 "HWC_CURSOR", 1213 "UNKNOWN"}; 1214 if (type >= NELEM(compositionTypeName)) 1215 type = NELEM(compositionTypeName) - 1; 1216 1217 String8 formatStr = getFormatStr(format); 1218 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 1219 result.appendFormat( 1220 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7.1f,%7.1f,%7.1f,%7.1f |%5d,%5d,%5d,%5d | %s\n", 1221 compositionTypeName[type], 1222 intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(), 1223 l.sourceCropf.left, l.sourceCropf.top, l.sourceCropf.right, l.sourceCropf.bottom, 1224 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1225 name.string()); 1226 } else { 1227 result.appendFormat( 1228 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7d,%7d,%7d,%7d |%5d,%5d,%5d,%5d | %s\n", 1229 compositionTypeName[type], 1230 intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(), 1231 l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom, 1232 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1233 name.string()); 1234 } 1235 } 1236 } 1237 } 1238 } 1239 1240 if (mHwc && mHwc->dump) { 1241 const size_t SIZE = 4096; 1242 char buffer[SIZE]; 1243 mHwc->dump(mHwc, buffer, SIZE); 1244 result.append(buffer); 1245 } 1246} 1247 1248// --------------------------------------------------------------------------- 1249 1250HWComposer::VSyncThread::VSyncThread(HWComposer& hwc) 1251 : mHwc(hwc), mEnabled(false), 1252 mNextFakeVSync(0), 1253 mRefreshPeriod(hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY)) 1254{ 1255} 1256 1257void HWComposer::VSyncThread::setEnabled(bool enabled) { 1258 Mutex::Autolock _l(mLock); 1259 if (mEnabled != enabled) { 1260 mEnabled = enabled; 1261 mCondition.signal(); 1262 } 1263} 1264 1265void HWComposer::VSyncThread::onFirstRef() { 1266 run("VSyncThread", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE); 1267} 1268 1269bool HWComposer::VSyncThread::threadLoop() { 1270 { // scope for lock 1271 Mutex::Autolock _l(mLock); 1272 while (!mEnabled) { 1273 mCondition.wait(mLock); 1274 } 1275 } 1276 1277 const nsecs_t period = mRefreshPeriod; 1278 const nsecs_t now = systemTime(CLOCK_MONOTONIC); 1279 nsecs_t next_vsync = mNextFakeVSync; 1280 nsecs_t sleep = next_vsync - now; 1281 if (sleep < 0) { 1282 // we missed, find where the next vsync should be 1283 sleep = (period - ((now - next_vsync) % period)); 1284 next_vsync = now + sleep; 1285 } 1286 mNextFakeVSync = next_vsync + period; 1287 1288 struct timespec spec; 1289 spec.tv_sec = next_vsync / 1000000000; 1290 spec.tv_nsec = next_vsync % 1000000000; 1291 1292 int err; 1293 do { 1294 err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL); 1295 } while (err<0 && errno == EINTR); 1296 1297 if (err == 0) { 1298 mHwc.mEventHandler.onVSyncReceived(0, next_vsync); 1299 } 1300 1301 return true; 1302} 1303 1304HWComposer::DisplayData::DisplayData() 1305: configs(), 1306 currentConfig(0), 1307 format(HAL_PIXEL_FORMAT_RGBA_8888), 1308 connected(false), 1309 hasFbComp(false), hasOvComp(false), 1310 capacity(0), list(NULL), 1311 framebufferTarget(NULL), fbTargetHandle(0), 1312 lastRetireFence(Fence::NO_FENCE), lastDisplayFence(Fence::NO_FENCE), 1313 outbufHandle(NULL), outbufAcquireFence(Fence::NO_FENCE), 1314 events(0) 1315{} 1316 1317HWComposer::DisplayData::~DisplayData() { 1318 free(list); 1319} 1320 1321// --------------------------------------------------------------------------- 1322}; // namespace android 1323