hwc.cpp revision cfb968873b9e94dca883aadabee42b01558faea9
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * Copyright (C) 2012-2014, The Linux Foundation. All rights reserved. 4 * 5 * Not a Contribution, Apache license notifications and license are retained 6 * for attribution purposes only. 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20#define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL) 21#include <fcntl.h> 22#include <errno.h> 23 24#include <cutils/log.h> 25#include <cutils/atomic.h> 26#include <EGL/egl.h> 27#include <utils/Trace.h> 28#include <sys/ioctl.h> 29#include <overlay.h> 30#include <overlayRotator.h> 31#include <overlayWriteback.h> 32#include <mdp_version.h> 33#include "hwc_utils.h" 34#include "hwc_fbupdate.h" 35#include "hwc_mdpcomp.h" 36#include "hwc_dump_layers.h" 37#include "external.h" 38#include "hwc_copybit.h" 39#include "hwc_ad.h" 40#include "profiler.h" 41#include "hwc_virtual.h" 42 43using namespace qhwc; 44using namespace overlay; 45 46#define VSYNC_DEBUG 0 47#define BLANK_DEBUG 1 48 49static int hwc_device_open(const struct hw_module_t* module, 50 const char* name, 51 struct hw_device_t** device); 52 53static struct hw_module_methods_t hwc_module_methods = { 54 open: hwc_device_open 55}; 56 57static void reset_panel(struct hwc_composer_device_1* dev); 58 59hwc_module_t HAL_MODULE_INFO_SYM = { 60 common: { 61 tag: HARDWARE_MODULE_TAG, 62 version_major: 2, 63 version_minor: 0, 64 id: HWC_HARDWARE_MODULE_ID, 65 name: "Qualcomm Hardware Composer Module", 66 author: "CodeAurora Forum", 67 methods: &hwc_module_methods, 68 dso: 0, 69 reserved: {0}, 70 } 71}; 72 73/* In case of non-hybrid WFD session, we are fooling SF by piggybacking on 74 * HDMI display ID for virtual. This helper is needed to differentiate their 75 * paths in HAL. 76 * TODO: Not needed once we have WFD client working on top of Google API's */ 77 78static int getDpyforExternalDisplay(hwc_context_t *ctx, int dpy) { 79 if(dpy == HWC_DISPLAY_EXTERNAL && ctx->mVirtualonExtActive) 80 return HWC_DISPLAY_VIRTUAL; 81 return dpy; 82} 83 84/* 85 * Save callback functions registered to HWC 86 */ 87static void hwc_registerProcs(struct hwc_composer_device_1* dev, 88 hwc_procs_t const* procs) 89{ 90 ALOGI("%s", __FUNCTION__); 91 hwc_context_t* ctx = (hwc_context_t*)(dev); 92 if(!ctx) { 93 ALOGE("%s: Invalid context", __FUNCTION__); 94 return; 95 } 96 ctx->proc = procs; 97 98 // Now that we have the functions needed, kick off 99 // the uevent & vsync threads 100 init_uevent_thread(ctx); 101 init_vsync_thread(ctx); 102} 103 104static void setPaddingRound(hwc_context_t *ctx, int numDisplays, 105 hwc_display_contents_1_t** displays) { 106 ctx->isPaddingRound = false; 107 for(int i = 0; i < numDisplays; i++) { 108 hwc_display_contents_1_t *list = displays[i]; 109 if (LIKELY(list && list->numHwLayers > 0)) { 110 if((ctx->mPrevHwLayerCount[i] == 1 or 111 ctx->mPrevHwLayerCount[i] == 0) and 112 (list->numHwLayers > 1)) { 113 /* If the previous cycle for dpy 'i' has 0 AppLayers and the 114 * current cycle has atleast 1 AppLayer, padding round needs 115 * to be invoked in current cycle on all the active displays 116 * to free up the resources. 117 */ 118 ctx->isPaddingRound = true; 119 } 120 ctx->mPrevHwLayerCount[i] = (int)list->numHwLayers; 121 } else { 122 ctx->mPrevHwLayerCount[i] = 0; 123 } 124 } 125} 126 127/* Based on certain conditions, isPaddingRound will be set 128 * to make this function self-contained */ 129static void setDMAState(hwc_context_t *ctx, int numDisplays, 130 hwc_display_contents_1_t** displays) { 131 132 if(ctx->mRotMgr->getNumActiveSessions() == 0) 133 Overlay::setDMAMode(Overlay::DMA_LINE_MODE); 134 135 for(int dpy = 0; dpy < numDisplays; dpy++) { 136 hwc_display_contents_1_t *list = displays[dpy]; 137 if (LIKELY(list && list->numHwLayers > 0)) { 138 for(size_t layerIndex = 0; layerIndex < list->numHwLayers; 139 layerIndex++) { 140 if(list->hwLayers[layerIndex].compositionType != 141 HWC_FRAMEBUFFER_TARGET) 142 { 143 hwc_layer_1_t const* layer = &list->hwLayers[layerIndex]; 144 private_handle_t *hnd = (private_handle_t *)layer->handle; 145 146 /* If a layer requires rotation, set the DMA state 147 * to BLOCK_MODE */ 148 149 if (canUseRotator(ctx, dpy) && 150 has90Transform(layer) && isRotationDoable(ctx, hnd)) { 151 if(not ctx->mOverlay->isDMAMultiplexingSupported()) { 152 if(ctx->mOverlay->isPipeTypeAttached( 153 overlay::utils::OV_MDP_PIPE_DMA)) 154 ctx->isPaddingRound = true; 155 } 156 Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE); 157 } 158 } 159 } 160 if(dpy) { 161 /* Uncomment the below code for testing purpose. 162 Assuming the orientation value is in terms of HAL_TRANSFORM, 163 this needs mapping to HAL, if its in different convention */ 164 165 /* char value[PROPERTY_VALUE_MAX]; 166 property_get("sys.ext_orientation", value, "0"); 167 ctx->mExtOrientation = atoi(value);*/ 168 169 if(ctx->mExtOrientation || ctx->mBufferMirrorMode) { 170 if(ctx->mOverlay->isPipeTypeAttached( 171 overlay::utils::OV_MDP_PIPE_DMA)) { 172 ctx->isPaddingRound = true; 173 } 174 Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE); 175 } 176 } 177 } 178 } 179} 180 181static void setNumActiveDisplays(hwc_context_t *ctx, int numDisplays, 182 hwc_display_contents_1_t** displays) { 183 184 ctx->numActiveDisplays = 0; 185 for(int i = 0; i < numDisplays; i++) { 186 hwc_display_contents_1_t *list = displays[i]; 187 if (LIKELY(list && list->numHwLayers > 0)) { 188 /* For display devices like SSD and screenrecord, we cannot 189 * rely on isActive and connected attributes of dpyAttr to 190 * determine if the displaydevice is active. Hence in case if 191 * the layer-list is non-null and numHwLayers > 0, we assume 192 * the display device to be active. 193 */ 194 ctx->numActiveDisplays += 1; 195 } 196 } 197} 198 199static void reset(hwc_context_t *ctx, int numDisplays, 200 hwc_display_contents_1_t** displays) { 201 202 203 for(int i = 0; i < numDisplays; i++) { 204 hwc_display_contents_1_t *list = displays[i]; 205 // XXX:SurfaceFlinger no longer guarantees that this 206 // value is reset on every prepare. However, for the layer 207 // cache we need to reset it. 208 // We can probably rethink that later on 209 if (LIKELY(list && list->numHwLayers > 0)) { 210 for(size_t j = 0; j < list->numHwLayers; j++) { 211 if(list->hwLayers[j].compositionType != HWC_FRAMEBUFFER_TARGET) 212 list->hwLayers[j].compositionType = HWC_FRAMEBUFFER; 213 } 214 215 } 216 217 if(ctx->mMDPComp[i]) 218 ctx->mMDPComp[i]->reset(); 219 if(ctx->mFBUpdate[i]) 220 ctx->mFBUpdate[i]->reset(); 221 if(ctx->mCopyBit[i]) 222 ctx->mCopyBit[i]->reset(); 223 if(ctx->mLayerRotMap[i]) 224 ctx->mLayerRotMap[i]->reset(); 225 } 226 227 ctx->mAD->reset(); 228 if(ctx->mHWCVirtual) 229 ctx->mHWCVirtual->destroy(ctx, numDisplays, displays); 230} 231 232static void scaleDisplayFrame(hwc_context_t *ctx, int dpy, 233 hwc_display_contents_1_t *list) { 234 uint32_t origXres = ctx->dpyAttr[dpy].xres; 235 uint32_t origYres = ctx->dpyAttr[dpy].yres; 236 uint32_t newXres = ctx->dpyAttr[dpy].xres_new; 237 uint32_t newYres = ctx->dpyAttr[dpy].yres_new; 238 float xresRatio = (float)origXres / (float)newXres; 239 float yresRatio = (float)origYres / (float)newYres; 240 for (size_t i = 0; i < list->numHwLayers; i++) { 241 hwc_layer_1_t *layer = &list->hwLayers[i]; 242 hwc_rect_t& displayFrame = layer->displayFrame; 243 hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf); 244 uint32_t layerWidth = displayFrame.right - displayFrame.left; 245 uint32_t layerHeight = displayFrame.bottom - displayFrame.top; 246 displayFrame.left = (int)(xresRatio * (float)displayFrame.left); 247 displayFrame.top = (int)(yresRatio * (float)displayFrame.top); 248 displayFrame.right = (int)((float)displayFrame.left + 249 (float)layerWidth * xresRatio); 250 displayFrame.bottom = (int)((float)displayFrame.top + 251 (float)layerHeight * yresRatio); 252 } 253} 254 255static int hwc_prepare_primary(hwc_composer_device_1 *dev, 256 hwc_display_contents_1_t *list) { 257 ATRACE_CALL(); 258 hwc_context_t* ctx = (hwc_context_t*)(dev); 259 const int dpy = HWC_DISPLAY_PRIMARY; 260 bool fbComp = false; 261 if (LIKELY(list && list->numHwLayers > 1) && 262 ctx->dpyAttr[dpy].isActive) { 263 264 if (ctx->dpyAttr[dpy].customFBSize && 265 list->flags & HWC_GEOMETRY_CHANGED) 266 scaleDisplayFrame(ctx, dpy, list); 267 268 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 269 setListStats(ctx, list, dpy); 270 271 fbComp = (ctx->mMDPComp[dpy]->prepare(ctx, list) < 0); 272 273 if (fbComp) { 274 const int fbZ = 0; 275 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) { 276 ctx->mOverlay->clear(dpy); 277 ctx->mLayerRotMap[dpy]->clear(); 278 } 279 } 280 281 if (ctx->mMDP.version < qdutils::MDP_V4_0) { 282 if(ctx->mCopyBit[dpy]) 283 ctx->mCopyBit[dpy]->prepare(ctx, list, dpy); 284 } 285 setGPUHint(ctx, list); 286 } 287 return 0; 288} 289 290static int hwc_prepare_external(hwc_composer_device_1 *dev, 291 hwc_display_contents_1_t *list) { 292 ATRACE_CALL(); 293 hwc_context_t* ctx = (hwc_context_t*)(dev); 294 const int dpy = HWC_DISPLAY_EXTERNAL; 295 296 if (LIKELY(list && list->numHwLayers > 1) && 297 ctx->dpyAttr[dpy].isActive && 298 ctx->dpyAttr[dpy].connected) { 299 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 300 if(!ctx->dpyAttr[dpy].isPause) { 301 ctx->dpyAttr[dpy].isConfiguring = false; 302 setListStats(ctx, list, dpy); 303 if(ctx->mMDPComp[dpy]->prepare(ctx, list) < 0) { 304 const int fbZ = 0; 305 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) 306 { 307 ctx->mOverlay->clear(dpy); 308 ctx->mLayerRotMap[dpy]->clear(); 309 } 310 } 311 } else { 312 /* External Display is in Pause state. 313 * Mark all application layers as OVERLAY so that 314 * GPU will not compose. 315 */ 316 for(size_t i = 0 ;i < (size_t)(list->numHwLayers - 1); i++) { 317 hwc_layer_1_t *layer = &list->hwLayers[i]; 318 layer->compositionType = HWC_OVERLAY; 319 } 320 } 321 } 322 return 0; 323} 324 325static int hwc_prepare(hwc_composer_device_1 *dev, size_t numDisplays, 326 hwc_display_contents_1_t** displays) 327{ 328 int ret = 0; 329 hwc_context_t* ctx = (hwc_context_t*)(dev); 330 331 if (ctx->mPanelResetStatus) { 332 ALOGW("%s: panel is in bad state. reset the panel", __FUNCTION__); 333 reset_panel(dev); 334 } 335 336 //Will be unlocked at the end of set 337 ctx->mDrawLock.lock(); 338 setPaddingRound(ctx, (int)numDisplays, displays); 339 setDMAState(ctx, (int)numDisplays, displays); 340 setNumActiveDisplays(ctx, (int)numDisplays, displays); 341 reset(ctx, (int)numDisplays, displays); 342 343 ctx->mOverlay->configBegin(); 344 ctx->mRotMgr->configBegin(); 345 overlay::Writeback::configBegin(); 346 347 for (int32_t i = ((int32_t)numDisplays-1); i >=0 ; i--) { 348 hwc_display_contents_1_t *list = displays[i]; 349 int dpy = getDpyforExternalDisplay(ctx, i); 350 switch(dpy) { 351 case HWC_DISPLAY_PRIMARY: 352 ret = hwc_prepare_primary(dev, list); 353 break; 354 case HWC_DISPLAY_EXTERNAL: 355 ret = hwc_prepare_external(dev, list); 356 break; 357 case HWC_DISPLAY_VIRTUAL: 358 if(ctx->mHWCVirtual) 359 ret = ctx->mHWCVirtual->prepare(dev, list); 360 break; 361 default: 362 ret = -EINVAL; 363 } 364 } 365 366 ctx->mOverlay->configDone(); 367 ctx->mRotMgr->configDone(); 368 overlay::Writeback::configDone(); 369 370 return ret; 371} 372 373static int hwc_eventControl(struct hwc_composer_device_1* dev, int dpy, 374 int event, int enable) 375{ 376 ATRACE_CALL(); 377 int ret = 0; 378 hwc_context_t* ctx = (hwc_context_t*)(dev); 379 switch(event) { 380 case HWC_EVENT_VSYNC: 381 if (ctx->vstate.enable == enable) 382 break; 383 ret = hwc_vsync_control(ctx, dpy, enable); 384 if(ret == 0) 385 ctx->vstate.enable = !!enable; 386 ALOGD_IF (VSYNC_DEBUG, "VSYNC state changed to %s", 387 (enable)?"ENABLED":"DISABLED"); 388 break; 389#ifdef QCOM_BSP 390 case HWC_EVENT_ORIENTATION: 391 if(dpy == HWC_DISPLAY_PRIMARY) { 392 Locker::Autolock _l(ctx->mDrawLock); 393 // store the primary display orientation 394 ctx->deviceOrientation = enable; 395 } 396 break; 397#endif 398 default: 399 ret = -EINVAL; 400 } 401 return ret; 402} 403 404static int hwc_blank(struct hwc_composer_device_1* dev, int dpy, int blank) 405{ 406 ATRACE_CALL(); 407 hwc_context_t* ctx = (hwc_context_t*)(dev); 408 409 Locker::Autolock _l(ctx->mDrawLock); 410 int ret = 0, value = 0; 411 412 /* In case of non-hybrid WFD session, we are fooling SF by 413 * piggybacking on HDMI display ID for virtual. 414 * TODO: Not needed once we have WFD client working on top 415 * of Google API's. 416 */ 417 dpy = getDpyforExternalDisplay(ctx,dpy); 418 419 ALOGD_IF(BLANK_DEBUG, "%s: %s display: %d", __FUNCTION__, 420 blank==1 ? "Blanking":"Unblanking", dpy); 421 if(blank) { 422 // free up all the overlay pipes in use 423 // when we get a blank for either display 424 // makes sure that all pipes are freed 425 ctx->mOverlay->configBegin(); 426 ctx->mOverlay->configDone(); 427 ctx->mRotMgr->clear(); 428 // If VDS is connected, do not clear WB object as it 429 // will end up detaching IOMMU. This is required 430 // to send black frame to WFD sink on power suspend. 431 // Note: With this change, we keep the WriteBack object 432 // alive on power suspend for AD use case. 433 } 434 switch(dpy) { 435 case HWC_DISPLAY_PRIMARY: 436 value = blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK; 437 if(ioctl(ctx->dpyAttr[dpy].fd, FBIOBLANK, value) < 0 ) { 438 ALOGE("%s: Failed to handle blank event(%d) for Primary!!", 439 __FUNCTION__, blank ); 440 return -1; 441 } 442 443 if(!blank) { 444 // Enable HPD here, as during bootup unblank is called 445 // when SF is completely initialized 446 ctx->mExtDisplay->setHPD(1); 447 } 448 449 ctx->dpyAttr[dpy].isActive = !blank; 450 451 if(ctx->mVirtualonExtActive) { 452 /* if mVirtualonExtActive is true, display hal will 453 * receive unblank calls for non-hybrid WFD solution 454 * since we piggyback on HDMI. 455 * TODO: Not needed once we have WFD client working on top 456 of Google API's */ 457 break; 458 } 459 case HWC_DISPLAY_VIRTUAL: 460 /* There are two ways to reach this block of code. 461 462 * Display hal has received unblank call on HWC_DISPLAY_EXTERNAL 463 and ctx->mVirtualonExtActive is true. In this case, non-hybrid 464 WFD is active. If so, getDpyforExternalDisplay will return dpy 465 as HWC_DISPLAY_VIRTUAL. 466 467 * Display hal has received unblank call on HWC_DISPLAY_PRIMARY 468 and since SF is not aware of VIRTUAL DISPLAY being handle by HWC, 469 it wont send blank / unblank events for it. We piggyback on 470 PRIMARY DISPLAY events to release mdp pipes and 471 activate/deactivate VIRTUAL DISPLAY. 472 473 * TODO: This separate case statement is not needed once we have 474 WFD client working on top of Google API's. 475 476 */ 477 478 if(ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected) { 479 if(blank and (!ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isPause)) { 480 int dpy = HWC_DISPLAY_VIRTUAL; 481 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 482 ALOGE("%s: display commit fail for virtual!", __FUNCTION__); 483 ret = -1; 484 } 485 } 486 ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = !blank; 487 } 488 break; 489 case HWC_DISPLAY_EXTERNAL: 490 if(blank) { 491 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 492 ALOGE("%s: display commit fail for external!", __FUNCTION__); 493 ret = -1; 494 } 495 } 496 ctx->dpyAttr[dpy].isActive = !blank; 497 break; 498 default: 499 return -EINVAL; 500 } 501 502 ALOGD_IF(BLANK_DEBUG, "%s: Done %s display: %d", __FUNCTION__, 503 blank ? "blanking":"unblanking", dpy); 504 return ret; 505} 506 507static void reset_panel(struct hwc_composer_device_1* dev) 508{ 509 int ret = 0; 510 hwc_context_t* ctx = (hwc_context_t*)(dev); 511 512 if (!ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive) { 513 ALOGD ("%s : Display OFF - Skip BLANK & UNBLANK", __FUNCTION__); 514 ctx->mPanelResetStatus = false; 515 return; 516 } 517 518 ALOGD("%s: calling BLANK DISPLAY", __FUNCTION__); 519 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 1); 520 if (ret < 0) { 521 ALOGE("%s: FBIOBLANK failed to BLANK: %s", __FUNCTION__, 522 strerror(errno)); 523 } 524 525 ALOGD("%s: calling UNBLANK DISPLAY and enabling vsync", __FUNCTION__); 526 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 0); 527 if (ret < 0) { 528 ALOGE("%s: FBIOBLANK failed to UNBLANK : %s", __FUNCTION__, 529 strerror(errno)); 530 } 531 hwc_vsync_control(ctx, HWC_DISPLAY_PRIMARY, 1); 532 533 ctx->mPanelResetStatus = false; 534} 535 536 537static int hwc_query(struct hwc_composer_device_1* dev, 538 int param, int* value) 539{ 540 hwc_context_t* ctx = (hwc_context_t*)(dev); 541 int supported = HWC_DISPLAY_PRIMARY_BIT; 542 543 switch (param) { 544 case HWC_BACKGROUND_LAYER_SUPPORTED: 545 // Not supported for now 546 value[0] = 0; 547 break; 548 case HWC_DISPLAY_TYPES_SUPPORTED: 549 if(ctx->mMDP.hasOverlay) { 550 supported |= HWC_DISPLAY_VIRTUAL_BIT; 551 if(!(qdutils::MDPVersion::getInstance().is8x26() || 552 qdutils::MDPVersion::getInstance().is8x16() || 553 qdutils::MDPVersion::getInstance().is8x39())) 554 supported |= HWC_DISPLAY_EXTERNAL_BIT; 555 } 556 value[0] = supported; 557 break; 558 case HWC_FORMAT_RB_SWAP: 559 value[0] = 1; 560 break; 561 case HWC_COLOR_FILL: 562 value[0] = 1; 563 break; 564 default: 565 return -EINVAL; 566 } 567 return 0; 568 569} 570 571 572static int hwc_set_primary(hwc_context_t *ctx, hwc_display_contents_1_t* list) { 573 ATRACE_CALL(); 574 int ret = 0; 575 const int dpy = HWC_DISPLAY_PRIMARY; 576 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive) { 577 size_t last = list->numHwLayers - 1; 578 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 579 int fd = -1; //FenceFD from the Copybit(valid in async mode) 580 bool copybitDone = false; 581 582 if (ctx->mCopyBit[dpy]) { 583 if (ctx->mMDP.version < qdutils::MDP_V4_0) 584 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 585 else 586 fd = ctx->mMDPComp[dpy]->drawOverlap(ctx, list); 587 } 588 589 if(list->numHwLayers > 1) 590 hwc_sync(ctx, list, dpy, fd); 591 592 // Dump the layers for primary 593 if(ctx->mHwcDebug[dpy]) 594 ctx->mHwcDebug[dpy]->dumpLayers(list); 595 596 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 597 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 598 ret = -1; 599 } 600 601 //TODO We dont check for SKIP flag on this layer because we need PAN 602 //always. Last layer is always FB 603 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 604 if(copybitDone && ctx->mMDP.version >= qdutils::MDP_V4_0) { 605 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 606 } 607 608 if(isAbcInUse(ctx) == true) { 609 int index = ctx->listStats[dpy].renderBufIndexforABC; 610 hwc_layer_1_t *tempLayer = &list->hwLayers[index]; 611 hnd = (private_handle_t *)tempLayer->handle; 612 } 613 614 if(hnd) { 615 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 616 ALOGE("%s: FBUpdate draw failed", __FUNCTION__); 617 ret = -1; 618 } 619 } 620 621 int lSplit = getLeftSplit(ctx, dpy); 622 qhwc::ovutils::Dim lRoi = qhwc::ovutils::Dim( 623 ctx->listStats[dpy].lRoi.left, 624 ctx->listStats[dpy].lRoi.top, 625 ctx->listStats[dpy].lRoi.right - ctx->listStats[dpy].lRoi.left, 626 ctx->listStats[dpy].lRoi.bottom - ctx->listStats[dpy].lRoi.top); 627 628 qhwc::ovutils::Dim rRoi = qhwc::ovutils::Dim( 629 ctx->listStats[dpy].rRoi.left - lSplit, 630 ctx->listStats[dpy].rRoi.top, 631 ctx->listStats[dpy].rRoi.right - ctx->listStats[dpy].rRoi.left, 632 ctx->listStats[dpy].rRoi.bottom - ctx->listStats[dpy].rRoi.top); 633 634 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd, lRoi, rRoi)) { 635 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 636 ret = -1; 637 } 638 639 } 640 641 closeAcquireFds(list); 642 return ret; 643} 644 645static int hwc_set_external(hwc_context_t *ctx, 646 hwc_display_contents_1_t* list) 647{ 648 ATRACE_CALL(); 649 int ret = 0; 650 651 const int dpy = HWC_DISPLAY_EXTERNAL; 652 653 654 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive && 655 ctx->dpyAttr[dpy].connected && 656 !ctx->dpyAttr[dpy].isPause) { 657 size_t last = list->numHwLayers - 1; 658 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 659 int fd = -1; //FenceFD from the Copybit(valid in async mode) 660 bool copybitDone = false; 661 if(ctx->mCopyBit[dpy]) 662 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 663 664 if(list->numHwLayers > 1) 665 hwc_sync(ctx, list, dpy, fd); 666 667 // Dump the layers for external 668 if(ctx->mHwcDebug[dpy]) 669 ctx->mHwcDebug[dpy]->dumpLayers(list); 670 671 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 672 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 673 ret = -1; 674 } 675 676 int extOnlyLayerIndex = 677 ctx->listStats[dpy].extOnlyLayerIndex; 678 679 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 680 if(extOnlyLayerIndex!= -1) { 681 hwc_layer_1_t *extLayer = &list->hwLayers[extOnlyLayerIndex]; 682 hnd = (private_handle_t *)extLayer->handle; 683 } else if(copybitDone) { 684 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 685 } 686 687 if(hnd && !isYuvBuffer(hnd)) { 688 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 689 ALOGE("%s: FBUpdate::draw fail!", __FUNCTION__); 690 ret = -1; 691 } 692 } 693 694 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 695 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 696 ret = -1; 697 } 698 } 699 700 closeAcquireFds(list); 701 return ret; 702} 703 704static int hwc_set(hwc_composer_device_1 *dev, 705 size_t numDisplays, 706 hwc_display_contents_1_t** displays) 707{ 708 int ret = 0; 709 hwc_context_t* ctx = (hwc_context_t*)(dev); 710 for (int i = 0; i < (int)numDisplays; i++) { 711 hwc_display_contents_1_t* list = displays[i]; 712 int dpy = getDpyforExternalDisplay(ctx, i); 713 switch(dpy) { 714 case HWC_DISPLAY_PRIMARY: 715 ret = hwc_set_primary(ctx, list); 716 break; 717 case HWC_DISPLAY_EXTERNAL: 718 ret = hwc_set_external(ctx, list); 719 break; 720 case HWC_DISPLAY_VIRTUAL: 721 if(ctx->mHWCVirtual) 722 ret = ctx->mHWCVirtual->set(ctx, list); 723 break; 724 default: 725 ret = -EINVAL; 726 } 727 } 728 // This is only indicative of how many times SurfaceFlinger posts 729 // frames to the display. 730 CALC_FPS(); 731 MDPComp::resetIdleFallBack(); 732 ctx->mVideoTransFlag = false; 733 //Was locked at the beginning of prepare 734 ctx->mDrawLock.unlock(); 735 return ret; 736} 737 738int hwc_getDisplayConfigs(struct hwc_composer_device_1* dev, int disp, 739 uint32_t* configs, size_t* numConfigs) { 740 int ret = 0; 741 hwc_context_t* ctx = (hwc_context_t*)(dev); 742 disp = getDpyforExternalDisplay(ctx, disp); 743 //in 1.1 there is no way to choose a config, report as config id # 0 744 //This config is passed to getDisplayAttributes. Ignore for now. 745 switch(disp) { 746 case HWC_DISPLAY_PRIMARY: 747 if(*numConfigs > 0) { 748 configs[0] = 0; 749 *numConfigs = 1; 750 } 751 ret = 0; //NO_ERROR 752 break; 753 case HWC_DISPLAY_EXTERNAL: 754 case HWC_DISPLAY_VIRTUAL: 755 ret = -1; //Not connected 756 if(ctx->dpyAttr[disp].connected) { 757 ret = 0; //NO_ERROR 758 if(*numConfigs > 0) { 759 configs[0] = 0; 760 *numConfigs = 1; 761 } 762 } 763 break; 764 } 765 return ret; 766} 767 768int hwc_getDisplayAttributes(struct hwc_composer_device_1* dev, int disp, 769 uint32_t /*config*/, const uint32_t* attributes, int32_t* values) { 770 771 hwc_context_t* ctx = (hwc_context_t*)(dev); 772 disp = getDpyforExternalDisplay(ctx, disp); 773 //If hotpluggable displays(i.e, HDMI, WFD) are inactive return error 774 if( (disp != HWC_DISPLAY_PRIMARY) && !ctx->dpyAttr[disp].connected) { 775 return -1; 776 } 777 778 //From HWComposer 779 static const uint32_t DISPLAY_ATTRIBUTES[] = { 780 HWC_DISPLAY_VSYNC_PERIOD, 781 HWC_DISPLAY_WIDTH, 782 HWC_DISPLAY_HEIGHT, 783 HWC_DISPLAY_DPI_X, 784 HWC_DISPLAY_DPI_Y, 785 HWC_DISPLAY_NO_ATTRIBUTE, 786 }; 787 788 const size_t NUM_DISPLAY_ATTRIBUTES = (sizeof(DISPLAY_ATTRIBUTES) / 789 sizeof(DISPLAY_ATTRIBUTES)[0]); 790 791 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 792 switch (attributes[i]) { 793 case HWC_DISPLAY_VSYNC_PERIOD: 794 values[i] = ctx->dpyAttr[disp].vsync_period; 795 break; 796 case HWC_DISPLAY_WIDTH: 797 if (ctx->dpyAttr[disp].customFBSize) 798 values[i] = ctx->dpyAttr[disp].xres_new; 799 else 800 values[i] = ctx->dpyAttr[disp].xres; 801 802 ALOGD("%s disp = %d, width = %d",__FUNCTION__, disp, 803 values[i]); 804 break; 805 case HWC_DISPLAY_HEIGHT: 806 if (ctx->dpyAttr[disp].customFBSize) 807 values[i] = ctx->dpyAttr[disp].yres_new; 808 else 809 values[i] = ctx->dpyAttr[disp].yres; 810 ALOGD("%s disp = %d, height = %d",__FUNCTION__, disp, 811 values[i]); 812 break; 813 case HWC_DISPLAY_DPI_X: 814 values[i] = (int32_t) (ctx->dpyAttr[disp].xdpi*1000.0); 815 break; 816 case HWC_DISPLAY_DPI_Y: 817 values[i] = (int32_t) (ctx->dpyAttr[disp].ydpi*1000.0); 818 break; 819 default: 820 ALOGE("Unknown display attribute %d", 821 attributes[i]); 822 return -EINVAL; 823 } 824 } 825 return 0; 826} 827 828void hwc_dump(struct hwc_composer_device_1* dev, char *buff, int buff_len) 829{ 830 hwc_context_t* ctx = (hwc_context_t*)(dev); 831 Locker::Autolock _l(ctx->mDrawLock); 832 android::String8 aBuf(""); 833 dumpsys_log(aBuf, "Qualcomm HWC state:\n"); 834 dumpsys_log(aBuf, " MDPVersion=%d\n", ctx->mMDP.version); 835 dumpsys_log(aBuf, " DisplayPanel=%c\n", ctx->mMDP.panel); 836 if(ctx->vstate.fakevsync) 837 dumpsys_log(aBuf, " Vsync is being faked!!\n"); 838 for(int dpy = 0; dpy < HWC_NUM_DISPLAY_TYPES; dpy++) { 839 if(ctx->mMDPComp[dpy]) 840 ctx->mMDPComp[dpy]->dump(aBuf, ctx); 841 } 842 char ovDump[2048] = {'\0'}; 843 ctx->mOverlay->getDump(ovDump, 2048); 844 dumpsys_log(aBuf, ovDump); 845 ovDump[0] = '\0'; 846 ctx->mRotMgr->getDump(ovDump, 1024); 847 dumpsys_log(aBuf, ovDump); 848 ovDump[0] = '\0'; 849 if(Writeback::getDump(ovDump, 1024)) { 850 dumpsys_log(aBuf, ovDump); 851 ovDump[0] = '\0'; 852 } 853 strlcpy(buff, aBuf.string(), buff_len); 854} 855 856static int hwc_device_close(struct hw_device_t *dev) 857{ 858 if(!dev) { 859 ALOGE("%s: NULL device pointer", __FUNCTION__); 860 return -1; 861 } 862 closeContext((hwc_context_t*)dev); 863 free(dev); 864 865 return 0; 866} 867 868static int hwc_device_open(const struct hw_module_t* module, const char* name, 869 struct hw_device_t** device) 870{ 871 int status = -EINVAL; 872 873 if (!strcmp(name, HWC_HARDWARE_COMPOSER)) { 874 struct hwc_context_t *dev; 875 dev = (hwc_context_t*)malloc(sizeof(*dev)); 876 if(dev == NULL) 877 return status; 878 memset(dev, 0, sizeof(*dev)); 879 880 //Initialize hwc context 881 initContext(dev); 882 883 //Setup HWC methods 884 dev->device.common.tag = HARDWARE_DEVICE_TAG; 885 dev->device.common.version = HWC_DEVICE_API_VERSION_1_3; 886 dev->device.common.module = const_cast<hw_module_t*>(module); 887 dev->device.common.close = hwc_device_close; 888 dev->device.prepare = hwc_prepare; 889 dev->device.set = hwc_set; 890 dev->device.eventControl = hwc_eventControl; 891 dev->device.blank = hwc_blank; 892 dev->device.query = hwc_query; 893 dev->device.registerProcs = hwc_registerProcs; 894 dev->device.dump = hwc_dump; 895 dev->device.getDisplayConfigs = hwc_getDisplayConfigs; 896 dev->device.getDisplayAttributes = hwc_getDisplayAttributes; 897 *device = &dev->device.common; 898 status = 0; 899 } 900 return status; 901} 902