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 >= 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 } 319 320 static 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 } 332 333 static 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]) 343 344 static 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 }; 352 353 status_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 } 429 430 status_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 } 444 445 int32_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 } 456 457 status_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 } 469 470 nsecs_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 } 480 481 sp<Fence> HWComposer::getDisplayFence(int disp) const { 482 return mDisplayData[disp].lastDisplayFence; 483 } 484 485 uint32_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 } 492 493 bool HWComposer::isConnected(int disp) const { 494 return mDisplayData[disp].connected; 495 } 496 497 uint32_t HWComposer::getWidth(int disp) const { 498 size_t currentConfig = mDisplayData[disp].currentConfig; 499 return mDisplayData[disp].configs[currentConfig].width; 500 } 501 502 uint32_t HWComposer::getHeight(int disp) const { 503 size_t currentConfig = mDisplayData[disp].currentConfig; 504 return mDisplayData[disp].configs[currentConfig].height; 505 } 506 507 float HWComposer::getDpiX(int disp) const { 508 size_t currentConfig = mDisplayData[disp].currentConfig; 509 return mDisplayData[disp].configs[currentConfig].xdpi; 510 } 511 512 float HWComposer::getDpiY(int disp) const { 513 size_t currentConfig = mDisplayData[disp].currentConfig; 514 return mDisplayData[disp].configs[currentConfig].ydpi; 515 } 516 517 nsecs_t HWComposer::getRefreshPeriod(int disp) const { 518 size_t currentConfig = mDisplayData[disp].currentConfig; 519 return mDisplayData[disp].configs[currentConfig].refresh; 520 } 521 522 const Vector<HWComposer::DisplayConfig>& HWComposer::getConfigs(int disp) const { 523 return mDisplayData[disp].configs; 524 } 525 526 size_t HWComposer::getCurrentConfig(int disp) const { 527 return mDisplayData[disp].currentConfig; 528 } 529 530 void 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 } 573 574 status_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 } 629 630 status_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 } 655 656 status_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 } 733 734 bool 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 } 739 740 bool 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 } 745 746 sp<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 } 761 762 status_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 } 799 800 status_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 } 815 816 status_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 } 827 828 void 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 } 843 844 int 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 } 855 856 bool HWComposer::supportsFramebufferTarget() const { 857 return (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)); 858 } 859 860 int 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 } 869 870 int 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 } 880 881 void 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 } 889 890 status_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 } 902 903 sp<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 } 908 909 status_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 */ 924 template<typename CONCRETE, typename HWCTYPE> 925 class Iterable : public HWComposer::HWCLayer { 926 protected: 927 HWCTYPE* const mLayerList; 928 HWCTYPE* mCurrentLayer; 929 Iterable(HWCTYPE* layer) : mLayerList(layer), mCurrentLayer(layer), 930 mIndex(0) { } 931 inline HWCTYPE const * getLayer() const { return mCurrentLayer; } 932 inline HWCTYPE* getLayer() { return mCurrentLayer; } 933 virtual ~Iterable() { } 934 size_t mIndex; 935 private: 936 // returns a copy of ourselves 937 virtual HWComposer::HWCLayer* dup() { 938 return new CONCRETE( static_cast<const CONCRETE&>(*this) ); 939 } 940 virtual status_t setLayer(size_t index) { 941 mIndex = index; 942 mCurrentLayer = &mLayerList[index]; 943 return NO_ERROR; 944 } 945 }; 946 947 /* 948 * Concrete implementation of HWCLayer for HWC_DEVICE_API_VERSION_1_0. 949 * This implements the HWCLayer side of HWCIterableLayer. 950 */ 951 class HWCLayerVersion1 : public Iterable<HWCLayerVersion1, hwc_layer_1_t> { 952 struct hwc_composer_device_1* mHwc; 953 public: 954 HWCLayerVersion1(struct hwc_composer_device_1* hwc, hwc_layer_1_t* layer, 955 Vector<Region>* visibleRegions, 956 Vector<Region>* surfaceDamageRegions) 957 : Iterable<HWCLayerVersion1, hwc_layer_1_t>(layer), mHwc(hwc), 958 mVisibleRegions(visibleRegions), 959 mSurfaceDamageRegions(surfaceDamageRegions) {} 960 961 virtual int32_t getCompositionType() const { 962 return getLayer()->compositionType; 963 } 964 virtual uint32_t getHints() const { 965 return getLayer()->hints; 966 } 967 virtual sp<Fence> getAndResetReleaseFence() { 968 int fd = getLayer()->releaseFenceFd; 969 getLayer()->releaseFenceFd = -1; 970 return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE; 971 } 972 virtual void setAcquireFenceFd(int fenceFd) { 973 getLayer()->acquireFenceFd = fenceFd; 974 } 975 virtual void setPerFrameDefaultState() { 976 //getLayer()->compositionType = HWC_FRAMEBUFFER; 977 } 978 virtual void setPlaneAlpha(uint8_t alpha) { 979 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) { 980 getLayer()->planeAlpha = alpha; 981 } else { 982 if (alpha < 0xFF) { 983 getLayer()->flags |= HWC_SKIP_LAYER; 984 } 985 } 986 } 987 virtual void setDefaultState() { 988 hwc_layer_1_t* const l = getLayer(); 989 l->compositionType = HWC_FRAMEBUFFER; 990 l->hints = 0; 991 l->flags = HWC_SKIP_LAYER; 992 l->handle = 0; 993 l->transform = 0; 994 l->blending = HWC_BLENDING_NONE; 995 l->visibleRegionScreen.numRects = 0; 996 l->visibleRegionScreen.rects = NULL; 997 l->acquireFenceFd = -1; 998 l->releaseFenceFd = -1; 999 l->planeAlpha = 0xFF; 1000 } 1001 virtual void setSkip(bool skip) { 1002 if (skip) { 1003 getLayer()->flags |= HWC_SKIP_LAYER; 1004 } else { 1005 getLayer()->flags &= ~HWC_SKIP_LAYER; 1006 } 1007 } 1008 virtual void setIsCursorLayerHint(bool isCursor) { 1009 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) { 1010 if (isCursor) { 1011 getLayer()->flags |= HWC_IS_CURSOR_LAYER; 1012 } 1013 else { 1014 getLayer()->flags &= ~HWC_IS_CURSOR_LAYER; 1015 } 1016 } 1017 } 1018 virtual void setBlending(uint32_t blending) { 1019 getLayer()->blending = blending; 1020 } 1021 virtual void setTransform(uint32_t transform) { 1022 getLayer()->transform = transform; 1023 } 1024 virtual void setFrame(const Rect& frame) { 1025 getLayer()->displayFrame = reinterpret_cast<hwc_rect_t const&>(frame); 1026 } 1027 virtual void setCrop(const FloatRect& crop) { 1028 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 1029 getLayer()->sourceCropf = reinterpret_cast<hwc_frect_t const&>(crop); 1030 } else { 1031 /* 1032 * Since h/w composer didn't support a flot crop rect before version 1.3, 1033 * using integer coordinates instead produces a different output from the GL code in 1034 * Layer::drawWithOpenGL(). The difference can be large if the buffer crop to 1035 * window size ratio is large and a window crop is defined 1036 * (i.e.: if we scale the buffer a lot and we also crop it with a window crop). 1037 */ 1038 hwc_rect_t& r = getLayer()->sourceCrop; 1039 r.left = int(ceilf(crop.left)); 1040 r.top = int(ceilf(crop.top)); 1041 r.right = int(floorf(crop.right)); 1042 r.bottom= int(floorf(crop.bottom)); 1043 } 1044 } 1045 virtual void setVisibleRegionScreen(const Region& reg) { 1046 hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen; 1047 mVisibleRegions->editItemAt(mIndex) = reg; 1048 visibleRegion.rects = reinterpret_cast<hwc_rect_t const *>( 1049 mVisibleRegions->itemAt(mIndex).getArray( 1050 &visibleRegion.numRects)); 1051 } 1052 virtual void setSurfaceDamage(const Region& reg) { 1053 if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_5)) { 1054 return; 1055 } 1056 hwc_region_t& surfaceDamage = getLayer()->surfaceDamage; 1057 // We encode default full-screen damage as INVALID_RECT upstream, but as 1058 // 0 rects for HWComposer 1059 if (reg.isRect() && reg.getBounds() == Rect::INVALID_RECT) { 1060 surfaceDamage.numRects = 0; 1061 surfaceDamage.rects = NULL; 1062 return; 1063 } 1064 mSurfaceDamageRegions->editItemAt(mIndex) = reg; 1065 surfaceDamage.rects = reinterpret_cast<hwc_rect_t const *>( 1066 mSurfaceDamageRegions->itemAt(mIndex).getArray( 1067 &surfaceDamage.numRects)); 1068 } 1069 virtual void setSidebandStream(const sp<NativeHandle>& stream) { 1070 ALOG_ASSERT(stream->handle() != NULL); 1071 getLayer()->compositionType = HWC_SIDEBAND; 1072 getLayer()->sidebandStream = stream->handle(); 1073 } 1074 virtual void setBuffer(const sp<GraphicBuffer>& buffer) { 1075 if (buffer == 0 || buffer->handle == 0) { 1076 getLayer()->compositionType = HWC_FRAMEBUFFER; 1077 getLayer()->flags |= HWC_SKIP_LAYER; 1078 getLayer()->handle = 0; 1079 } else { 1080 if (getLayer()->compositionType == HWC_SIDEBAND) { 1081 // If this was a sideband layer but the stream was removed, reset 1082 // it to FRAMEBUFFER. The HWC can change it to OVERLAY in prepare. 1083 getLayer()->compositionType = HWC_FRAMEBUFFER; 1084 } 1085 getLayer()->handle = buffer->handle; 1086 } 1087 } 1088 virtual void onDisplayed() { 1089 getLayer()->acquireFenceFd = -1; 1090 } 1091 1092 protected: 1093 // Pointers to the vectors of Region backing-memory held in DisplayData. 1094 // Only the Region at mIndex corresponds to this Layer. 1095 Vector<Region>* mVisibleRegions; 1096 Vector<Region>* mSurfaceDamageRegions; 1097 }; 1098 1099 /* 1100 * returns an iterator initialized at a given index in the layer list 1101 */ 1102 HWComposer::LayerListIterator HWComposer::getLayerIterator(int32_t id, size_t index) { 1103 if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) { 1104 return LayerListIterator(); 1105 } 1106 DisplayData& disp(mDisplayData[id]); 1107 if (!mHwc || !disp.list || index > disp.list->numHwLayers) { 1108 return LayerListIterator(); 1109 } 1110 if (disp.visibleRegions.size() < disp.list->numHwLayers) { 1111 disp.visibleRegions.resize(disp.list->numHwLayers); 1112 } 1113 if (disp.surfaceDamageRegions.size() < disp.list->numHwLayers) { 1114 disp.surfaceDamageRegions.resize(disp.list->numHwLayers); 1115 } 1116 return LayerListIterator(new HWCLayerVersion1(mHwc, disp.list->hwLayers, 1117 &disp.visibleRegions, &disp.surfaceDamageRegions), index); 1118 } 1119 1120 /* 1121 * returns an iterator on the beginning of the layer list 1122 */ 1123 HWComposer::LayerListIterator HWComposer::begin(int32_t id) { 1124 return getLayerIterator(id, 0); 1125 } 1126 1127 /* 1128 * returns an iterator on the end of the layer list 1129 */ 1130 HWComposer::LayerListIterator HWComposer::end(int32_t id) { 1131 size_t numLayers = 0; 1132 if (uint32_t(id) <= 31 && mAllocatedDisplayIDs.hasBit(id)) { 1133 const DisplayData& disp(mDisplayData[id]); 1134 if (mHwc && disp.list) { 1135 numLayers = disp.list->numHwLayers; 1136 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) { 1137 // with HWC 1.1, the last layer is always the HWC_FRAMEBUFFER_TARGET, 1138 // which we ignore when iterating through the layer list. 1139 ALOGE_IF(!numLayers, "mDisplayData[%d].list->numHwLayers is 0", id); 1140 if (numLayers) { 1141 numLayers--; 1142 } 1143 } 1144 } 1145 } 1146 return getLayerIterator(id, numLayers); 1147 } 1148 1149 // Converts a PixelFormat to a human-readable string. Max 11 chars. 1150 // (Could use a table of prefab String8 objects.) 1151 static String8 getFormatStr(PixelFormat format) { 1152 switch (format) { 1153 case PIXEL_FORMAT_RGBA_8888: return String8("RGBA_8888"); 1154 case PIXEL_FORMAT_RGBX_8888: return String8("RGBx_8888"); 1155 case PIXEL_FORMAT_RGB_888: return String8("RGB_888"); 1156 case PIXEL_FORMAT_RGB_565: return String8("RGB_565"); 1157 case PIXEL_FORMAT_BGRA_8888: return String8("BGRA_8888"); 1158 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: 1159 return String8("ImplDef"); 1160 default: 1161 String8 result; 1162 result.appendFormat("? %08x", format); 1163 return result; 1164 } 1165 } 1166 1167 void HWComposer::dump(String8& result) const { 1168 Mutex::Autolock _l(mDisplayLock); 1169 if (mHwc) { 1170 result.appendFormat("Hardware Composer state (version %08x):\n", hwcApiVersion(mHwc)); 1171 result.appendFormat(" mDebugForceFakeVSync=%d\n", mDebugForceFakeVSync); 1172 for (size_t i=0 ; i<mNumDisplays ; i++) { 1173 const DisplayData& disp(mDisplayData[i]); 1174 if (!disp.connected) 1175 continue; 1176 1177 const Vector< sp<Layer> >& visibleLayersSortedByZ = 1178 mFlinger->getLayerSortedByZForHwcDisplay(i); 1179 1180 1181 result.appendFormat(" Display[%zd] configurations (* current):\n", i); 1182 for (size_t c = 0; c < disp.configs.size(); ++c) { 1183 const DisplayConfig& config(disp.configs[c]); 1184 result.appendFormat(" %s%zd: %ux%u, xdpi=%f, ydpi=%f" 1185 ", refresh=%" PRId64 ", colorTransform=%d\n", 1186 c == disp.currentConfig ? "* " : "", c, 1187 config.width, config.height, config.xdpi, config.ydpi, 1188 config.refresh, config.colorTransform); 1189 } 1190 1191 if (disp.list) { 1192 result.appendFormat( 1193 " numHwLayers=%zu, flags=%08x\n", 1194 disp.list->numHwLayers, disp.list->flags); 1195 1196 result.append( 1197 " type | handle | hint | flag | tr | blnd | format | source crop (l,t,r,b) | frame | name \n" 1198 "-----------+----------+------+------+----+------+-------------+--------------------------------+------------------------+------\n"); 1199 // " _________ | ________ | ____ | ____ | __ | ____ | ___________ |_____._,_____._,_____._,_____._ |_____,_____,_____,_____ | ___... 1200 for (size_t i=0 ; i<disp.list->numHwLayers ; i++) { 1201 const hwc_layer_1_t&l = disp.list->hwLayers[i]; 1202 int32_t format = -1; 1203 String8 name("unknown"); 1204 1205 if (i < visibleLayersSortedByZ.size()) { 1206 const sp<Layer>& layer(visibleLayersSortedByZ[i]); 1207 const sp<GraphicBuffer>& buffer( 1208 layer->getActiveBuffer()); 1209 if (buffer != NULL) { 1210 format = buffer->getPixelFormat(); 1211 } 1212 name = layer->getName(); 1213 } 1214 1215 int type = l.compositionType; 1216 if (type == HWC_FRAMEBUFFER_TARGET) { 1217 name = "HWC_FRAMEBUFFER_TARGET"; 1218 format = disp.format; 1219 } 1220 1221 static char const* compositionTypeName[] = { 1222 "GLES", 1223 "HWC", 1224 "BKGND", 1225 "FB TARGET", 1226 "SIDEBAND", 1227 "HWC_CURSOR", 1228 "UNKNOWN"}; 1229 if (type >= NELEM(compositionTypeName)) 1230 type = NELEM(compositionTypeName) - 1; 1231 1232 String8 formatStr = getFormatStr(format); 1233 if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) { 1234 result.appendFormat( 1235 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7.1f,%7.1f,%7.1f,%7.1f |%5d,%5d,%5d,%5d | %s\n", 1236 compositionTypeName[type], 1237 intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(), 1238 l.sourceCropf.left, l.sourceCropf.top, l.sourceCropf.right, l.sourceCropf.bottom, 1239 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1240 name.string()); 1241 } else { 1242 result.appendFormat( 1243 " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7d,%7d,%7d,%7d |%5d,%5d,%5d,%5d | %s\n", 1244 compositionTypeName[type], 1245 intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(), 1246 l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom, 1247 l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom, 1248 name.string()); 1249 } 1250 } 1251 } 1252 } 1253 } 1254 1255 if (mHwc && mHwc->dump) { 1256 const size_t SIZE = 4096; 1257 char buffer[SIZE]; 1258 mHwc->dump(mHwc, buffer, SIZE); 1259 result.append(buffer); 1260 } 1261 } 1262 1263 // --------------------------------------------------------------------------- 1264 1265 HWComposer::VSyncThread::VSyncThread(HWComposer& hwc) 1266 : mHwc(hwc), mEnabled(false), 1267 mNextFakeVSync(0), 1268 mRefreshPeriod(hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY)) 1269 { 1270 } 1271 1272 void HWComposer::VSyncThread::setEnabled(bool enabled) { 1273 Mutex::Autolock _l(mLock); 1274 if (mEnabled != enabled) { 1275 mEnabled = enabled; 1276 mCondition.signal(); 1277 } 1278 } 1279 1280 void HWComposer::VSyncThread::onFirstRef() { 1281 run("VSyncThread", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE); 1282 } 1283 1284 bool HWComposer::VSyncThread::threadLoop() { 1285 { // scope for lock 1286 Mutex::Autolock _l(mLock); 1287 while (!mEnabled) { 1288 mCondition.wait(mLock); 1289 } 1290 } 1291 1292 const nsecs_t period = mRefreshPeriod; 1293 const nsecs_t now = systemTime(CLOCK_MONOTONIC); 1294 nsecs_t next_vsync = mNextFakeVSync; 1295 nsecs_t sleep = next_vsync - now; 1296 if (sleep < 0) { 1297 // we missed, find where the next vsync should be 1298 sleep = (period - ((now - next_vsync) % period)); 1299 next_vsync = now + sleep; 1300 } 1301 mNextFakeVSync = next_vsync + period; 1302 1303 struct timespec spec; 1304 spec.tv_sec = next_vsync / 1000000000; 1305 spec.tv_nsec = next_vsync % 1000000000; 1306 1307 int err; 1308 do { 1309 err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL); 1310 } while (err<0 && errno == EINTR); 1311 1312 if (err == 0) { 1313 mHwc.mEventHandler.onVSyncReceived(0, next_vsync); 1314 } 1315 1316 return true; 1317 } 1318 1319 HWComposer::DisplayData::DisplayData() 1320 : configs(), 1321 currentConfig(0), 1322 format(HAL_PIXEL_FORMAT_RGBA_8888), 1323 connected(false), 1324 hasFbComp(false), hasOvComp(false), 1325 capacity(0), list(NULL), 1326 framebufferTarget(NULL), fbTargetHandle(0), 1327 lastRetireFence(Fence::NO_FENCE), lastDisplayFence(Fence::NO_FENCE), 1328 outbufHandle(NULL), outbufAcquireFence(Fence::NO_FENCE), 1329 events(0) 1330 {} 1331 1332 HWComposer::DisplayData::~DisplayData() { 1333 free(list); 1334 } 1335 1336 // --------------------------------------------------------------------------- 1337 }; // namespace android 1338
