HWComposer.cpp revision 4d407a0f05ad9ba3c232ff5b6742495660c0e4ab
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 == 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 317static float getDefaultDensity(uint32_t height) { 318 if (height >= 1080) return ACONFIGURATION_DENSITY_XHIGH; 319 else return ACONFIGURATION_DENSITY_TV; 320} 321 322static const uint32_t DISPLAY_ATTRIBUTES[] = { 323 HWC_DISPLAY_VSYNC_PERIOD, 324 HWC_DISPLAY_WIDTH, 325 HWC_DISPLAY_HEIGHT, 326 HWC_DISPLAY_DPI_X, 327 HWC_DISPLAY_DPI_Y, 328 HWC_DISPLAY_NO_ATTRIBUTE, 329}; 330#define NUM_DISPLAY_ATTRIBUTES (sizeof(DISPLAY_ATTRIBUTES) / sizeof(DISPLAY_ATTRIBUTES)[0]) 331 332status_t HWComposer::queryDisplayProperties(int disp) { 333 334 LOG_ALWAYS_FATAL_IF(!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)); 335 336 // use zero as default value for unspecified attributes 337 int32_t values[NUM_DISPLAY_ATTRIBUTES - 1]; 338 memset(values, 0, sizeof(values)); 339 340 const size_t MAX_NUM_CONFIGS = 128; 341 uint32_t configs[MAX_NUM_CONFIGS] = {0}; 342 size_t numConfigs = MAX_NUM_CONFIGS; 343 status_t err = mHwc->getDisplayConfigs(mHwc, disp, configs, &numConfigs); 344 if (err != NO_ERROR) { 345 // this can happen if an unpluggable display is not connected 346 mDisplayData[disp].connected = false; 347 return err; 348 } 349 350 mDisplayData[disp].currentConfig = 0; 351 for (size_t c = 0; c < numConfigs; ++c) { 352 err = mHwc->getDisplayAttributes(mHwc, disp, configs[c], 353 DISPLAY_ATTRIBUTES, values); 354 if (err != NO_ERROR) { 355 // we can't get this display's info. turn it off. 356 mDisplayData[disp].connected = false; 357 return err; 358 } 359 360 DisplayConfig config = DisplayConfig(); 361 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 362 switch (DISPLAY_ATTRIBUTES[i]) { 363 case HWC_DISPLAY_VSYNC_PERIOD: 364 config.refresh = nsecs_t(values[i]); 365 break; 366 case HWC_DISPLAY_WIDTH: 367 config.width = values[i]; 368 break; 369 case HWC_DISPLAY_HEIGHT: 370 config.height = values[i]; 371 break; 372 case HWC_DISPLAY_DPI_X: 373 config.xdpi = values[i] / 1000.0f; 374 break; 375 case HWC_DISPLAY_DPI_Y: 376 config.ydpi = values[i] / 1000.0f; 377 break; 378 default: 379 ALOG_ASSERT(false, "unknown display attribute[%zu] %#x", 380 i, DISPLAY_ATTRIBUTES[i]); 381 break; 382 } 383 } 384 385 if (config.xdpi == 0.0f || config.ydpi == 0.0f) { 386 float dpi = getDefaultDensity(config.height); 387 config.xdpi = dpi; 388 config.ydpi = dpi; 389 } 390 391 mDisplayData[disp].configs.push_back(config); 392 } 393 394 // FIXME: what should we set the format to? 395 mDisplayData[disp].format = HAL_PIXEL_FORMAT_RGBA_8888; 396 mDisplayData[disp].connected = true; 397 return NO_ERROR; 398} 399 400status_t HWComposer::setVirtualDisplayProperties(int32_t id, 401 uint32_t w, uint32_t h, uint32_t format) { 402 if (id < VIRTUAL_DISPLAY_ID_BASE || id >= int32_t(mNumDisplays) || 403 !mAllocatedDisplayIDs.hasBit(id)) { 404 return BAD_INDEX; 405 } 406 size_t configId = mDisplayData[id].currentConfig; 407 mDisplayData[id].format = format; 408 DisplayConfig& config = mDisplayData[id].configs.editItemAt(configId); 409 config.width = w; 410 config.height = h; 411 config.xdpi = config.ydpi = getDefaultDensity(h); 412 return NO_ERROR; 413} 414 415int32_t HWComposer::allocateDisplayId() { 416 if (mAllocatedDisplayIDs.count() >= mNumDisplays) { 417 return NO_MEMORY; 418 } 419 int32_t id = mAllocatedDisplayIDs.firstUnmarkedBit(); 420 mAllocatedDisplayIDs.markBit(id); 421 mDisplayData[id].connected = true; 422 mDisplayData[id].configs.resize(1); 423 mDisplayData[id].currentConfig = 0; 424 return id; 425} 426 427status_t HWComposer::freeDisplayId(int32_t id) { 428 if (id < NUM_BUILTIN_DISPLAYS) { 429 // cannot free the reserved IDs 430 return BAD_VALUE; 431 } 432 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 433 return BAD_INDEX; 434 } 435 mAllocatedDisplayIDs.clearBit(id); 436 mDisplayData[id].connected = false; 437 return NO_ERROR; 438} 439 440nsecs_t HWComposer::getRefreshTimestamp(int disp) const { 441 // this returns the last refresh timestamp. 442 // if the last one is not available, we estimate it based on 443 // the refresh period and whatever closest timestamp we have. 444 Mutex::Autolock _l(mLock); 445 nsecs_t now = systemTime(CLOCK_MONOTONIC); 446 size_t configId = mDisplayData[disp].currentConfig; 447 return now - ((now - mLastHwVSync[disp]) % 448 mDisplayData[disp].configs[configId].refresh); 449} 450 451sp<Fence> HWComposer::getDisplayFence(int disp) const { 452 return mDisplayData[disp].lastDisplayFence; 453} 454 455uint32_t HWComposer::getFormat(int disp) const { 456 if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) { 457 return HAL_PIXEL_FORMAT_RGBA_8888; 458 } else { 459 return mDisplayData[disp].format; 460 } 461} 462 463bool HWComposer::isConnected(int disp) const { 464 return mDisplayData[disp].connected; 465} 466 467uint32_t HWComposer::getWidth(int disp) const { 468 size_t currentConfig = mDisplayData[disp].currentConfig; 469 return mDisplayData[disp].configs[currentConfig].width; 470} 471 472uint32_t HWComposer::getHeight(int disp) const { 473 size_t currentConfig = mDisplayData[disp].currentConfig; 474 return mDisplayData[disp].configs[currentConfig].height; 475} 476 477float HWComposer::getDpiX(int disp) const { 478 size_t currentConfig = mDisplayData[disp].currentConfig; 479 return mDisplayData[disp].configs[currentConfig].xdpi; 480} 481 482float HWComposer::getDpiY(int disp) const { 483 size_t currentConfig = mDisplayData[disp].currentConfig; 484 return mDisplayData[disp].configs[currentConfig].ydpi; 485} 486 487nsecs_t HWComposer::getRefreshPeriod(int disp) const { 488 size_t currentConfig = mDisplayData[disp].currentConfig; 489 return mDisplayData[disp].configs[currentConfig].refresh; 490} 491 492const Vector<HWComposer::DisplayConfig>& HWComposer::getConfigs(int disp) const { 493 return mDisplayData[disp].configs; 494} 495 496size_t HWComposer::getCurrentConfig(int disp) const { 497 return mDisplayData[disp].currentConfig; 498} 499 500void HWComposer::eventControl(int disp, int event, int enabled) { 501 if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) { 502 ALOGD("eventControl ignoring event %d on unallocated disp %d (en=%d)", 503 event, disp, enabled); 504 return; 505 } 506 if (event != EVENT_VSYNC) { 507 ALOGW("eventControl got unexpected event %d (disp=%d en=%d)", 508 event, disp, enabled); 509 return; 510 } 511 status_t err = NO_ERROR; 512 if (mHwc && !mDebugForceFakeVSync) { 513 // NOTE: we use our own internal lock here because we have to call 514 // into the HWC with the lock held, and we want to make sure 515 // that even if HWC blocks (which it shouldn't), it won't 516 // affect other threads. 517 Mutex::Autolock _l(mEventControlLock); 518 const int32_t eventBit = 1UL << event; 519 const int32_t newValue = enabled ? eventBit : 0; 520 const int32_t oldValue = mDisplayData[disp].events & eventBit; 521 if (newValue != oldValue) { 522 ATRACE_CALL(); 523 err = mHwc->eventControl(mHwc, disp, event, enabled); 524 if (!err) { 525 int32_t& events(mDisplayData[disp].events); 526 events = (events & ~eventBit) | newValue; 527 528 char tag[16]; 529 snprintf(tag, sizeof(tag), "HW_VSYNC_ON_%1u", disp); 530 ATRACE_INT(tag, enabled); 531 } 532 } 533 // error here should not happen -- not sure what we should 534 // do if it does. 535 ALOGE_IF(err, "eventControl(%d, %d) failed %s", 536 event, enabled, strerror(-err)); 537 } 538 539 if (err == NO_ERROR && mVSyncThread != NULL) { 540 mVSyncThread->setEnabled(enabled); 541 } 542} 543 544status_t HWComposer::createWorkList(int32_t id, size_t numLayers) { 545 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 546 return BAD_INDEX; 547 } 548 549 if (mHwc) { 550 DisplayData& disp(mDisplayData[id]); 551 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 552 // we need space for the HWC_FRAMEBUFFER_TARGET 553 numLayers++; 554 } 555 if (disp.capacity < numLayers || disp.list == NULL) { 556 size_t size = sizeof(hwc_display_contents_1_t) 557 + numLayers * sizeof(hwc_layer_1_t); 558 free(disp.list); 559 disp.list = (hwc_display_contents_1_t*)malloc(size); 560 disp.capacity = numLayers; 561 } 562 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 563 disp.framebufferTarget = &disp.list->hwLayers[numLayers - 1]; 564 memset(disp.framebufferTarget, 0, sizeof(hwc_layer_1_t)); 565 const DisplayConfig& currentConfig = 566 disp.configs[disp.currentConfig]; 567 const hwc_rect_t r = { 0, 0, 568 (int) currentConfig.width, (int) currentConfig.height }; 569 disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET; 570 disp.framebufferTarget->hints = 0; 571 disp.framebufferTarget->flags = 0; 572 disp.framebufferTarget->handle = disp.fbTargetHandle; 573 disp.framebufferTarget->transform = 0; 574 disp.framebufferTarget->blending = HWC_BLENDING_PREMULT; 575 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 576 disp.framebufferTarget->sourceCropf.left = 0; 577 disp.framebufferTarget->sourceCropf.top = 0; 578 disp.framebufferTarget->sourceCropf.right = 579 currentConfig.width; 580 disp.framebufferTarget->sourceCropf.bottom = 581 currentConfig.height; 582 } else { 583 disp.framebufferTarget->sourceCrop = r; 584 } 585 disp.framebufferTarget->displayFrame = r; 586 disp.framebufferTarget->visibleRegionScreen.numRects = 1; 587 disp.framebufferTarget->visibleRegionScreen.rects = 588 &disp.framebufferTarget->displayFrame; 589 disp.framebufferTarget->acquireFenceFd = -1; 590 disp.framebufferTarget->releaseFenceFd = -1; 591 disp.framebufferTarget->planeAlpha = 0xFF; 592 } 593 disp.list->retireFenceFd = -1; 594 disp.list->flags = HWC_GEOMETRY_CHANGED; 595 disp.list->numHwLayers = numLayers; 596 } 597 return NO_ERROR; 598} 599 600status_t HWComposer::setFramebufferTarget(int32_t id, 601 const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buf) { 602 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 603 return BAD_INDEX; 604 } 605 DisplayData& disp(mDisplayData[id]); 606 if (!disp.framebufferTarget) { 607 // this should never happen, but apparently eglCreateWindowSurface() 608 // triggers a Surface::queueBuffer() on some 609 // devices (!?) -- log and ignore. 610 ALOGE("HWComposer: framebufferTarget is null"); 611 return NO_ERROR; 612 } 613 614 int acquireFenceFd = -1; 615 if (acquireFence->isValid()) { 616 acquireFenceFd = acquireFence->dup(); 617 } 618 619 // ALOGD("fbPost: handle=%p, fence=%d", buf->handle, acquireFenceFd); 620 disp.fbTargetHandle = buf->handle; 621 disp.framebufferTarget->handle = disp.fbTargetHandle; 622 disp.framebufferTarget->acquireFenceFd = acquireFenceFd; 623 return NO_ERROR; 624} 625 626status_t HWComposer::prepare() { 627 for (size_t i=0 ; i<mNumDisplays ; i++) { 628 DisplayData& disp(mDisplayData[i]); 629 if (disp.framebufferTarget) { 630 // make sure to reset the type to HWC_FRAMEBUFFER_TARGET 631 // DO NOT reset the handle field to NULL, because it's possible 632 // that we have nothing to redraw (eg: eglSwapBuffers() not called) 633 // in which case, we should continue to use the same buffer. 634 LOG_FATAL_IF(disp.list == NULL); 635 disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET; 636 } 637 if (!disp.connected && disp.list != NULL) { 638 ALOGW("WARNING: disp %zu: connected, non-null list, layers=%zu", 639 i, disp.list->numHwLayers); 640 } 641 mLists[i] = disp.list; 642 if (mLists[i]) { 643 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 644 mLists[i]->outbuf = disp.outbufHandle; 645 mLists[i]->outbufAcquireFenceFd = -1; 646 } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 647 // garbage data to catch improper use 648 mLists[i]->dpy = (hwc_display_t)0xDEADBEEF; 649 mLists[i]->sur = (hwc_surface_t)0xDEADBEEF; 650 } else { 651 mLists[i]->dpy = EGL_NO_DISPLAY; 652 mLists[i]->sur = EGL_NO_SURFACE; 653 } 654 } 655 } 656 657 int err = mHwc->prepare(mHwc, mNumDisplays, mLists); 658 ALOGE_IF(err, "HWComposer: prepare failed (%s)", strerror(-err)); 659 660 if (err == NO_ERROR) { 661 // here we're just making sure that "skip" layers are set 662 // to HWC_FRAMEBUFFER and we're also counting how many layers 663 // we have of each type. 664 // 665 // If there are no window layers, we treat the display has having FB 666 // composition, because SurfaceFlinger will use GLES to draw the 667 // wormhole region. 668 for (size_t i=0 ; i<mNumDisplays ; i++) { 669 DisplayData& disp(mDisplayData[i]); 670 disp.hasFbComp = false; 671 disp.hasOvComp = false; 672 if (disp.list) { 673 for (size_t i=0 ; i<disp.list->numHwLayers ; i++) { 674 hwc_layer_1_t& l = disp.list->hwLayers[i]; 675 676 //ALOGD("prepare: %d, type=%d, handle=%p", 677 // i, l.compositionType, l.handle); 678 679 if (l.flags & HWC_SKIP_LAYER) { 680 l.compositionType = HWC_FRAMEBUFFER; 681 } 682 if (l.compositionType == HWC_FRAMEBUFFER) { 683 disp.hasFbComp = true; 684 } 685 if (l.compositionType == HWC_OVERLAY) { 686 disp.hasOvComp = true; 687 } 688 if (l.compositionType == HWC_CURSOR_OVERLAY) { 689 disp.hasOvComp = true; 690 } 691 } 692 if (disp.list->numHwLayers == (disp.framebufferTarget ? 1 : 0)) { 693 disp.hasFbComp = true; 694 } 695 } else { 696 disp.hasFbComp = true; 697 } 698 } 699 } 700 return (status_t)err; 701} 702 703bool HWComposer::hasHwcComposition(int32_t id) const { 704 if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 705 return false; 706 return mDisplayData[id].hasOvComp; 707} 708 709bool HWComposer::hasGlesComposition(int32_t id) const { 710 if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 711 return true; 712 return mDisplayData[id].hasFbComp; 713} 714 715sp<Fence> HWComposer::getAndResetReleaseFence(int32_t id) { 716 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 717 return Fence::NO_FENCE; 718 719 int fd = INVALID_OPERATION; 720 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 721 const DisplayData& disp(mDisplayData[id]); 722 if (disp.framebufferTarget) { 723 fd = disp.framebufferTarget->releaseFenceFd; 724 disp.framebufferTarget->acquireFenceFd = -1; 725 disp.framebufferTarget->releaseFenceFd = -1; 726 } 727 } 728 return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE; 729} 730 731status_t HWComposer::commit() { 732 int err = NO_ERROR; 733 if (mHwc) { 734 if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 735 // On version 1.0, the OpenGL ES target surface is communicated 736 // by the (dpy, sur) fields and we are guaranteed to have only 737 // a single display. 738 mLists[0]->dpy = eglGetCurrentDisplay(); 739 mLists[0]->sur = eglGetCurrentSurface(EGL_DRAW); 740 } 741 742 for (size_t i=VIRTUAL_DISPLAY_ID_BASE; i<mNumDisplays; i++) { 743 DisplayData& disp(mDisplayData[i]); 744 if (disp.outbufHandle) { 745 mLists[i]->outbuf = disp.outbufHandle; 746 mLists[i]->outbufAcquireFenceFd = 747 disp.outbufAcquireFence->dup(); 748 } 749 } 750 751 err = mHwc->set(mHwc, mNumDisplays, mLists); 752 753 for (size_t i=0 ; i<mNumDisplays ; i++) { 754 DisplayData& disp(mDisplayData[i]); 755 disp.lastDisplayFence = disp.lastRetireFence; 756 disp.lastRetireFence = Fence::NO_FENCE; 757 if (disp.list) { 758 if (disp.list->retireFenceFd != -1) { 759 disp.lastRetireFence = new Fence(disp.list->retireFenceFd); 760 disp.list->retireFenceFd = -1; 761 } 762 disp.list->flags &= ~HWC_GEOMETRY_CHANGED; 763 } 764 } 765 } 766 return (status_t)err; 767} 768 769status_t HWComposer::setPowerMode(int disp, int mode) { 770 LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE); 771 if (mHwc) { 772 if (mode == HWC_POWER_MODE_OFF) { 773 eventControl(disp, HWC_EVENT_VSYNC, 0); 774 } 775 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 776 return (status_t)mHwc->setPowerMode(mHwc, disp, mode); 777 } else { 778 return (status_t)mHwc->blank(mHwc, disp, 779 mode == HWC_POWER_MODE_OFF ? 1 : 0); 780 } 781 } 782 return NO_ERROR; 783} 784 785status_t HWComposer::setActiveConfig(int disp, int mode) { 786 LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE); 787 DisplayData& dd(mDisplayData[disp]); 788 dd.currentConfig = mode; 789 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 790 return (status_t)mHwc->setActiveConfig(mHwc, disp, mode); 791 } else { 792 LOG_FATAL_IF(mode != 0); 793 } 794 return NO_ERROR; 795} 796 797void HWComposer::disconnectDisplay(int disp) { 798 LOG_ALWAYS_FATAL_IF(disp < 0 || disp == HWC_DISPLAY_PRIMARY); 799 DisplayData& dd(mDisplayData[disp]); 800 free(dd.list); 801 dd.list = NULL; 802 dd.framebufferTarget = NULL; // points into dd.list 803 dd.fbTargetHandle = NULL; 804 dd.outbufHandle = NULL; 805 dd.lastRetireFence = Fence::NO_FENCE; 806 dd.lastDisplayFence = Fence::NO_FENCE; 807 dd.outbufAcquireFence = Fence::NO_FENCE; 808 // clear all the previous configs and repopulate when a new 809 // device is added 810 dd.configs.clear(); 811} 812 813int HWComposer::getVisualID() const { 814 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 815 // FIXME: temporary hack until HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED 816 // is supported by the implementation. we can only be in this case 817 // if we have HWC 1.1 818 return HAL_PIXEL_FORMAT_RGBA_8888; 819 //return HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 820 } else { 821 return mFbDev->format; 822 } 823} 824 825bool HWComposer::supportsFramebufferTarget() const { 826 return (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)); 827} 828 829int HWComposer::fbPost(int32_t id, 830 const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buffer) { 831 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 832 return setFramebufferTarget(id, acquireFence, buffer); 833 } else { 834 acquireFence->waitForever("HWComposer::fbPost"); 835 return mFbDev->post(mFbDev, buffer->handle); 836 } 837} 838 839int HWComposer::fbCompositionComplete() { 840 if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) 841 return NO_ERROR; 842 843 if (mFbDev->compositionComplete) { 844 return mFbDev->compositionComplete(mFbDev); 845 } else { 846 return INVALID_OPERATION; 847 } 848} 849 850void HWComposer::fbDump(String8& result) { 851 if (mFbDev && mFbDev->common.version >= 1 && mFbDev->dump) { 852 const size_t SIZE = 4096; 853 char buffer[SIZE]; 854 mFbDev->dump(mFbDev, buffer, SIZE); 855 result.append(buffer); 856 } 857} 858 859status_t HWComposer::setOutputBuffer(int32_t id, const sp<Fence>& acquireFence, 860 const sp<GraphicBuffer>& buf) { 861 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 862 return BAD_INDEX; 863 if (id < VIRTUAL_DISPLAY_ID_BASE) 864 return INVALID_OPERATION; 865 866 DisplayData& disp(mDisplayData[id]); 867 disp.outbufHandle = buf->handle; 868 disp.outbufAcquireFence = acquireFence; 869 return NO_ERROR; 870} 871 872sp<Fence> HWComposer::getLastRetireFence(int32_t id) const { 873 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) 874 return Fence::NO_FENCE; 875 return mDisplayData[id].lastRetireFence; 876} 877 878status_t HWComposer::setCursorPositionAsync(int32_t id, const Rect& pos) 879{ 880 if (mHwc->setCursorPositionAsync) { 881 return (status_t)mHwc->setCursorPositionAsync(mHwc, id, pos.left, pos.top); 882 } 883 else { 884 return NO_ERROR; 885 } 886} 887 888/* 889 * Helper template to implement a concrete HWCLayer 890 * This holds the pointer to the concrete hwc layer type 891 * and implements the "iterable" side of HWCLayer. 892 */ 893template<typename CONCRETE, typename HWCTYPE> 894class Iterable : public HWComposer::HWCLayer { 895protected: 896 HWCTYPE* const mLayerList; 897 HWCTYPE* mCurrentLayer; 898 Iterable(HWCTYPE* layer) : mLayerList(layer), mCurrentLayer(layer) { } 899 inline HWCTYPE const * getLayer() const { return mCurrentLayer; } 900 inline HWCTYPE* getLayer() { return mCurrentLayer; } 901 virtual ~Iterable() { } 902private: 903 // returns a copy of ourselves 904 virtual HWComposer::HWCLayer* dup() { 905 return new CONCRETE( static_cast<const CONCRETE&>(*this) ); 906 } 907 virtual status_t setLayer(size_t index) { 908 mCurrentLayer = &mLayerList[index]; 909 return NO_ERROR; 910 } 911}; 912 913/* 914 * Concrete implementation of HWCLayer for HWC_DEVICE_API_VERSION_1_0. 915 * This implements the HWCLayer side of HWCIterableLayer. 916 */ 917class HWCLayerVersion1 : public Iterable<HWCLayerVersion1, hwc_layer_1_t> { 918 struct hwc_composer_device_1* mHwc; 919public: 920 HWCLayerVersion1(struct hwc_composer_device_1* hwc, hwc_layer_1_t* layer) 921 : Iterable<HWCLayerVersion1, hwc_layer_1_t>(layer), mHwc(hwc) { } 922 923 virtual int32_t getCompositionType() const { 924 return getLayer()->compositionType; 925 } 926 virtual uint32_t getHints() const { 927 return getLayer()->hints; 928 } 929 virtual sp<Fence> getAndResetReleaseFence() { 930 int fd = getLayer()->releaseFenceFd; 931 getLayer()->releaseFenceFd = -1; 932 return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE; 933 } 934 virtual void setAcquireFenceFd(int fenceFd) { 935 getLayer()->acquireFenceFd = fenceFd; 936 } 937 virtual void setPerFrameDefaultState() { 938 //getLayer()->compositionType = HWC_FRAMEBUFFER; 939 } 940 virtual void setPlaneAlpha(uint8_t alpha) { 941 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) { 942 getLayer()->planeAlpha = alpha; 943 } else { 944 if (alpha < 0xFF) { 945 getLayer()->flags |= HWC_SKIP_LAYER; 946 } 947 } 948 } 949 virtual void setDefaultState() { 950 hwc_layer_1_t* const l = getLayer(); 951 l->compositionType = HWC_FRAMEBUFFER; 952 l->hints = 0; 953 l->flags = HWC_SKIP_LAYER; 954 l->handle = 0; 955 l->transform = 0; 956 l->blending = HWC_BLENDING_NONE; 957 l->visibleRegionScreen.numRects = 0; 958 l->visibleRegionScreen.rects = NULL; 959 l->acquireFenceFd = -1; 960 l->releaseFenceFd = -1; 961 l->planeAlpha = 0xFF; 962 } 963 virtual void setSkip(bool skip) { 964 if (skip) { 965 getLayer()->flags |= HWC_SKIP_LAYER; 966 } else { 967 getLayer()->flags &= ~HWC_SKIP_LAYER; 968 } 969 } 970 virtual void setIsCursorLayerHint(bool isCursor) { 971 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 972 if (isCursor) { 973 getLayer()->flags |= HWC_IS_CURSOR_LAYER; 974 } 975 else { 976 getLayer()->flags &= ~HWC_IS_CURSOR_LAYER; 977 } 978 } 979 } 980 virtual void setBlending(uint32_t blending) { 981 getLayer()->blending = blending; 982 } 983 virtual void setTransform(uint32_t transform) { 984 getLayer()->transform = transform; 985 } 986 virtual void setFrame(const Rect& frame) { 987 getLayer()->displayFrame = reinterpret_cast<hwc_rect_t const&>(frame); 988 } 989 virtual void setCrop(const FloatRect& crop) { 990 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 991 getLayer()->sourceCropf = reinterpret_cast<hwc_frect_t const&>(crop); 992 } else { 993 /* 994 * Since h/w composer didn't support a flot crop rect before version 1.3, 995 * using integer coordinates instead produces a different output from the GL code in 996 * Layer::drawWithOpenGL(). The difference can be large if the buffer crop to 997 * window size ratio is large and a window crop is defined 998 * (i.e.: if we scale the buffer a lot and we also crop it with a window crop). 999 */ 1000 hwc_rect_t& r = getLayer()->sourceCrop; 1001 r.left = int(ceilf(crop.left)); 1002 r.top = int(ceilf(crop.top)); 1003 r.right = int(floorf(crop.right)); 1004 r.bottom= int(floorf(crop.bottom)); 1005 } 1006 } 1007 virtual void setVisibleRegionScreen(const Region& reg) { 1008 // Region::getSharedBuffer creates a reference to the underlying 1009 // SharedBuffer of this Region, this reference is freed 1010 // in onDisplayed() 1011 hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen; 1012 SharedBuffer const* sb = reg.getSharedBuffer(&visibleRegion.numRects); 1013 visibleRegion.rects = reinterpret_cast<hwc_rect_t const *>(sb->data()); 1014 } 1015 virtual void setSidebandStream(const sp<NativeHandle>& stream) { 1016 ALOG_ASSERT(stream->handle() != NULL); 1017 getLayer()->compositionType = HWC_SIDEBAND; 1018 getLayer()->sidebandStream = stream->handle(); 1019 } 1020 virtual void setBuffer(const sp<GraphicBuffer>& buffer) { 1021 if (buffer == 0 || buffer->handle == 0) { 1022 getLayer()->compositionType = HWC_FRAMEBUFFER; 1023 getLayer()->flags |= HWC_SKIP_LAYER; 1024 getLayer()->handle = 0; 1025 } else { 1026 if (getLayer()->compositionType == HWC_SIDEBAND) { 1027 // If this was a sideband layer but the stream was removed, reset 1028 // it to FRAMEBUFFER. The HWC can change it to OVERLAY in prepare. 1029 getLayer()->compositionType = HWC_FRAMEBUFFER; 1030 } 1031 getLayer()->handle = buffer->handle; 1032 } 1033 } 1034 virtual void onDisplayed() { 1035 hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen; 1036 SharedBuffer const* sb = SharedBuffer::bufferFromData(visibleRegion.rects); 1037 if (sb) { 1038 sb->release(); 1039 // not technically needed but safer 1040 visibleRegion.numRects = 0; 1041 visibleRegion.rects = NULL; 1042 } 1043 1044 getLayer()->acquireFenceFd = -1; 1045 } 1046}; 1047 1048/* 1049 * returns an iterator initialized at a given index in the layer list 1050 */ 1051HWComposer::LayerListIterator HWComposer::getLayerIterator(int32_t id, size_t index) { 1052 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 1053 return LayerListIterator(); 1054 } 1055 const DisplayData& disp(mDisplayData[id]); 1056 if (!mHwc || !disp.list || index > disp.list->numHwLayers) { 1057 return LayerListIterator(); 1058 } 1059 return LayerListIterator(new HWCLayerVersion1(mHwc, disp.list->hwLayers), index); 1060} 1061 1062/* 1063 * returns an iterator on the beginning of the layer list 1064 */ 1065HWComposer::LayerListIterator HWComposer::begin(int32_t id) { 1066 return getLayerIterator(id, 0); 1067} 1068 1069/* 1070 * returns an iterator on the end of the layer list 1071 */ 1072HWComposer::LayerListIterator HWComposer::end(int32_t id) { 1073 size_t numLayers = 0; 1074 if (uint32_t(id) <= 31 && mAllocatedDisplayIDs.hasBit(id)) { 1075 const DisplayData& disp(mDisplayData[id]); 1076 if (mHwc && disp.list) { 1077 numLayers = disp.list->numHwLayers; 1078 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 1079 // with HWC 1.1, the last layer is always the HWC_FRAMEBUFFER_TARGET, 1080 // which we ignore when iterating through the layer list. 1081 ALOGE_IF(!numLayers, "mDisplayData[%d].list->numHwLayers is 0", id); 1082 if (numLayers) { 1083 numLayers--; 1084 } 1085 } 1086 } 1087 } 1088 return getLayerIterator(id, numLayers); 1089} 1090 1091// Converts a PixelFormat to a human-readable string. Max 11 chars. 1092// (Could use a table of prefab String8 objects.) 1093static String8 getFormatStr(PixelFormat format) { 1094 switch (format) { 1095 case PIXEL_FORMAT_RGBA_8888: return String8("RGBA_8888"); 1096 case PIXEL_FORMAT_RGBX_8888: return String8("RGBx_8888"); 1097 case PIXEL_FORMAT_RGB_888: return String8("RGB_888"); 1098 case PIXEL_FORMAT_RGB_565: return String8("RGB_565"); 1099 case PIXEL_FORMAT_BGRA_8888: return String8("BGRA_8888"); 1100 case PIXEL_FORMAT_sRGB_A_8888: return String8("sRGB_A_8888"); 1101 case PIXEL_FORMAT_sRGB_X_8888: return String8("sRGB_x_8888"); 1102 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 1103 return String8("ImplDef"); 1104 default: 1105 String8 result; 1106 result.appendFormat("? %08x", format); 1107 return result; 1108 } 1109} 1110 1111void HWComposer::dump(String8& result) const { 1112 if (mHwc) { 1113 result.appendFormat("Hardware Composer state (version %08x):\n", hwcApiVersion(mHwc)); 1114 result.appendFormat(" mDebugForceFakeVSync=%d\n", mDebugForceFakeVSync); 1115 for (size_t i=0 ; i<mNumDisplays ; i++) { 1116 const DisplayData& disp(mDisplayData[i]); 1117 if (!disp.connected) 1118 continue; 1119 1120 const Vector< sp<Layer> >& visibleLayersSortedByZ = 1121 mFlinger->getLayerSortedByZForHwcDisplay(i); 1122 1123 1124 result.appendFormat(" Display[%zd] configurations (* current):\n", i); 1125 for (size_t c = 0; c < disp.configs.size(); ++c) { 1126 const DisplayConfig& config(disp.configs[c]); 1127 result.appendFormat(" %s%zd: %ux%u, xdpi=%f, ydpi=%f, refresh=%" PRId64 "\n", 1128 c == disp.currentConfig ? "* " : "", c, config.width, config.height, 1129 config.xdpi, config.ydpi, config.refresh); 1130 } 1131 1132 if (disp.list) { 1133 result.appendFormat( 1134 " numHwLayers=%zu, flags=%08x\n", 1135 disp.list->numHwLayers, disp.list->flags); 1136 1137 result.append( 1138 " type | handle | hint | flag | tr | blnd | format | source crop (l,t,r,b) | frame | name \n" 1139 "-----------+----------+------+------+----+------+-------------+--------------------------------+------------------------+------\n"); 1140 // " _________ | ________ | ____ | ____ | __ | ____ | ___________ |_____._,_____._,_____._,_____._ |_____,_____,_____,_____ | ___... 1141 for (size_t i=0 ; i<disp.list->numHwLayers ; i++) { 1142 const hwc_layer_1_t&l = disp.list->hwLayers[i]; 1143 int32_t format = -1; 1144 String8 name("unknown"); 1145 1146 if (i < visibleLayersSortedByZ.size()) { 1147 const sp<Layer>& layer(visibleLayersSortedByZ[i]); 1148 const sp<GraphicBuffer>& buffer( 1149 layer->getActiveBuffer()); 1150 if (buffer != NULL) { 1151 format = buffer->getPixelFormat(); 1152 } 1153 name = layer->getName(); 1154 } 1155 1156 int type = l.compositionType; 1157 if (type == HWC_FRAMEBUFFER_TARGET) { 1158 name = "HWC_FRAMEBUFFER_TARGET"; 1159 format = disp.format; 1160 } 1161 1162 static char const* compositionTypeName[] = { 1163 "GLES", 1164 "HWC", 1165 "BKGND", 1166 "FB TARGET", 1167 "SIDEBAND", 1168 "HWC_CURSOR", 1169 "UNKNOWN"}; 1170 if (type >= NELEM(compositionTypeName)) 1171 type = NELEM(compositionTypeName) - 1; 1172 1173 String8 formatStr = getFormatStr(format); 1174 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 1175 result.appendFormat( 1176 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7.1f,%7.1f,%7.1f,%7.1f |%5d,%5d,%5d,%5d | %s\n", 1177 compositionTypeName[type], 1178 intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(), 1179 l.sourceCropf.left, l.sourceCropf.top, l.sourceCropf.right, l.sourceCropf.bottom, 1180 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1181 name.string()); 1182 } else { 1183 result.appendFormat( 1184 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7d,%7d,%7d,%7d |%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.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom, 1188 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1189 name.string()); 1190 } 1191 } 1192 } 1193 } 1194 } 1195 1196 if (mHwc && mHwc->dump) { 1197 const size_t SIZE = 4096; 1198 char buffer[SIZE]; 1199 mHwc->dump(mHwc, buffer, SIZE); 1200 result.append(buffer); 1201 } 1202} 1203 1204// --------------------------------------------------------------------------- 1205 1206HWComposer::VSyncThread::VSyncThread(HWComposer& hwc) 1207 : mHwc(hwc), mEnabled(false), 1208 mNextFakeVSync(0), 1209 mRefreshPeriod(hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY)) 1210{ 1211} 1212 1213void HWComposer::VSyncThread::setEnabled(bool enabled) { 1214 Mutex::Autolock _l(mLock); 1215 if (mEnabled != enabled) { 1216 mEnabled = enabled; 1217 mCondition.signal(); 1218 } 1219} 1220 1221void HWComposer::VSyncThread::onFirstRef() { 1222 run("VSyncThread", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE); 1223} 1224 1225bool HWComposer::VSyncThread::threadLoop() { 1226 { // scope for lock 1227 Mutex::Autolock _l(mLock); 1228 while (!mEnabled) { 1229 mCondition.wait(mLock); 1230 } 1231 } 1232 1233 const nsecs_t period = mRefreshPeriod; 1234 const nsecs_t now = systemTime(CLOCK_MONOTONIC); 1235 nsecs_t next_vsync = mNextFakeVSync; 1236 nsecs_t sleep = next_vsync - now; 1237 if (sleep < 0) { 1238 // we missed, find where the next vsync should be 1239 sleep = (period - ((now - next_vsync) % period)); 1240 next_vsync = now + sleep; 1241 } 1242 mNextFakeVSync = next_vsync + period; 1243 1244 struct timespec spec; 1245 spec.tv_sec = next_vsync / 1000000000; 1246 spec.tv_nsec = next_vsync % 1000000000; 1247 1248 int err; 1249 do { 1250 err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL); 1251 } while (err<0 && errno == EINTR); 1252 1253 if (err == 0) { 1254 mHwc.mEventHandler.onVSyncReceived(0, next_vsync); 1255 } 1256 1257 return true; 1258} 1259 1260HWComposer::DisplayData::DisplayData() 1261: configs(), 1262 currentConfig(0), 1263 format(HAL_PIXEL_FORMAT_RGBA_8888), 1264 connected(false), 1265 hasFbComp(false), hasOvComp(false), 1266 capacity(0), list(NULL), 1267 framebufferTarget(NULL), fbTargetHandle(0), 1268 lastRetireFence(Fence::NO_FENCE), lastDisplayFence(Fence::NO_FENCE), 1269 outbufHandle(NULL), outbufAcquireFence(Fence::NO_FENCE), 1270 events(0) 1271{} 1272 1273HWComposer::DisplayData::~DisplayData() { 1274 free(list); 1275} 1276 1277// --------------------------------------------------------------------------- 1278}; // namespace android 1279