hwc.cpp revision b46b3f2b885a796f1ddde486e35173d2618792e4
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 i = 0; i < numDisplays; i++) { 136 hwc_display_contents_1_t *list = displays[i]; 137 if (LIKELY(list && list->numHwLayers > 0)) { 138 for(size_t j = 0; j < list->numHwLayers; j++) { 139 if(list->hwLayers[j].compositionType != HWC_FRAMEBUFFER_TARGET) 140 { 141 hwc_layer_1_t const* layer = &list->hwLayers[i]; 142 private_handle_t *hnd = (private_handle_t *)layer->handle; 143 144 /* If a video layer requires rotation, set the DMA state 145 * to BLOCK_MODE */ 146 147 if (UNLIKELY(isYuvBuffer(hnd)) && canUseRotator(ctx,i) && 148 (layer->transform & HWC_TRANSFORM_ROT_90)) { 149 if(not qdutils::MDPVersion::getInstance().is8x26()) { 150 if(ctx->mOverlay->isPipeTypeAttached( 151 overlay::utils::OV_MDP_PIPE_DMA)) 152 ctx->isPaddingRound = true; 153 } 154 Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE); 155 } 156 } 157 } 158 if(i) { 159 /* Uncomment the below code for testing purpose. 160 Assuming the orientation value is in terms of HAL_TRANSFORM, 161 this needs mapping to HAL, if its in different convention */ 162 163 /* char value[PROPERTY_VALUE_MAX]; 164 property_get("sys.ext_orientation", value, "0"); 165 ctx->mExtOrientation = atoi(value);*/ 166 167 if(ctx->mExtOrientation || ctx->mBufferMirrorMode) { 168 if(ctx->mOverlay->isPipeTypeAttached( 169 overlay::utils::OV_MDP_PIPE_DMA)) { 170 ctx->isPaddingRound = true; 171 } 172 Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE); 173 } 174 } 175 } 176 } 177} 178 179static void setNumActiveDisplays(hwc_context_t *ctx, int numDisplays, 180 hwc_display_contents_1_t** displays) { 181 182 ctx->numActiveDisplays = 0; 183 for(int i = 0; i < numDisplays; i++) { 184 hwc_display_contents_1_t *list = displays[i]; 185 if (LIKELY(list && list->numHwLayers > 0)) { 186 /* For display devices like SSD and screenrecord, we cannot 187 * rely on isActive and connected attributes of dpyAttr to 188 * determine if the displaydevice is active. Hence in case if 189 * the layer-list is non-null and numHwLayers > 0, we assume 190 * the display device to be active. 191 */ 192 ctx->numActiveDisplays += 1; 193 } 194 } 195} 196 197static void reset(hwc_context_t *ctx, int numDisplays, 198 hwc_display_contents_1_t** displays) { 199 200 201 for(int i = 0; i < numDisplays; i++) { 202 hwc_display_contents_1_t *list = displays[i]; 203 // XXX:SurfaceFlinger no longer guarantees that this 204 // value is reset on every prepare. However, for the layer 205 // cache we need to reset it. 206 // We can probably rethink that later on 207 if (LIKELY(list && list->numHwLayers > 0)) { 208 for(size_t j = 0; j < list->numHwLayers; j++) { 209 if(list->hwLayers[j].compositionType != HWC_FRAMEBUFFER_TARGET) 210 list->hwLayers[j].compositionType = HWC_FRAMEBUFFER; 211 } 212 ctx->mPrevHwLayerCount[i] = (int)list->numHwLayers; 213 } else { 214 ctx->mPrevHwLayerCount[i] = 0; 215 } 216 217 if(ctx->mFBUpdate[i]) 218 ctx->mFBUpdate[i]->reset(); 219 if(ctx->mCopyBit[i]) 220 ctx->mCopyBit[i]->reset(); 221 if(ctx->mLayerRotMap[i]) 222 ctx->mLayerRotMap[i]->reset(); 223 } 224 225 ctx->mAD->reset(); 226 MDPComp::reset(); 227 if(ctx->mHWCVirtual) 228 ctx->mHWCVirtual->destroy(ctx, numDisplays, displays); 229} 230 231bool isEqual(float f1, float f2) { 232 return ((int)(f1*100) == (int)(f2*100)) ? true : false; 233} 234 235static void scaleDisplayFrame(hwc_context_t *ctx, int dpy, 236 hwc_display_contents_1_t *list) { 237 uint32_t origXres = ctx->dpyAttr[dpy].xres_orig; 238 uint32_t origYres = ctx->dpyAttr[dpy].yres_orig; 239 uint32_t fakeXres = ctx->dpyAttr[dpy].xres; 240 uint32_t fakeYres = ctx->dpyAttr[dpy].yres; 241 float xresRatio = (float)origXres / (float)fakeXres; 242 float yresRatio = (float)origYres / (float)fakeYres; 243 for (size_t i = 0; i < list->numHwLayers; i++) { 244 hwc_layer_1_t *layer = &list->hwLayers[i]; 245 hwc_rect_t& displayFrame = layer->displayFrame; 246 hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf); 247 uint32_t layerWidth = displayFrame.right - displayFrame.left; 248 uint32_t layerHeight = displayFrame.bottom - displayFrame.top; 249 uint32_t sourceWidth = sourceCrop.right - sourceCrop.left; 250 uint32_t sourceHeight = sourceCrop.bottom - sourceCrop.top; 251 252 if (isEqual(((float)layerWidth / (float)sourceWidth), xresRatio) && 253 isEqual(((float)layerHeight / (float)sourceHeight), yresRatio)) 254 break; 255 256 displayFrame.left = (int)(xresRatio * (float)displayFrame.left); 257 displayFrame.top = (int)(yresRatio * (float)displayFrame.top); 258 displayFrame.right = (int)((float)displayFrame.left + 259 (float)layerWidth * xresRatio); 260 displayFrame.bottom = (int)((float)displayFrame.top + 261 (float)layerHeight * yresRatio); 262 } 263} 264 265static int hwc_prepare_primary(hwc_composer_device_1 *dev, 266 hwc_display_contents_1_t *list) { 267 ATRACE_CALL(); 268 hwc_context_t* ctx = (hwc_context_t*)(dev); 269 const int dpy = HWC_DISPLAY_PRIMARY; 270 bool fbComp = false; 271 if (LIKELY(list && list->numHwLayers > 1) && 272 ctx->dpyAttr[dpy].isActive) { 273 274 if (ctx->dpyAttr[dpy].customFBSize) 275 scaleDisplayFrame(ctx, dpy, list); 276 277 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 278 setListStats(ctx, list, dpy); 279 280 fbComp = (ctx->mMDPComp[dpy]->prepare(ctx, list) < 0); 281 282 if (fbComp) { 283 const int fbZ = 0; 284 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) { 285 ctx->mOverlay->clear(dpy); 286 ctx->mLayerRotMap[dpy]->clear(); 287 } 288 } 289 290 if (ctx->mMDP.version < qdutils::MDP_V4_0) { 291 if(ctx->mCopyBit[dpy]) 292 ctx->mCopyBit[dpy]->prepare(ctx, list, dpy); 293 } 294 setGPUHint(ctx, list); 295 } 296 return 0; 297} 298 299static int hwc_prepare_external(hwc_composer_device_1 *dev, 300 hwc_display_contents_1_t *list) { 301 ATRACE_CALL(); 302 hwc_context_t* ctx = (hwc_context_t*)(dev); 303 const int dpy = HWC_DISPLAY_EXTERNAL; 304 305 if (LIKELY(list && list->numHwLayers > 1) && 306 ctx->dpyAttr[dpy].isActive && 307 ctx->dpyAttr[dpy].connected) { 308 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 309 if(!ctx->dpyAttr[dpy].isPause) { 310 ctx->dpyAttr[dpy].isConfiguring = false; 311 setListStats(ctx, list, dpy); 312 if(ctx->mMDPComp[dpy]->prepare(ctx, list) < 0) { 313 const int fbZ = 0; 314 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) 315 { 316 ctx->mOverlay->clear(dpy); 317 ctx->mLayerRotMap[dpy]->clear(); 318 } 319 } 320 } else { 321 /* External Display is in Pause state. 322 * Mark all application layers as OVERLAY so that 323 * GPU will not compose. 324 */ 325 for(size_t i = 0 ;i < (size_t)(list->numHwLayers - 1); i++) { 326 hwc_layer_1_t *layer = &list->hwLayers[i]; 327 layer->compositionType = HWC_OVERLAY; 328 } 329 } 330 } 331 return 0; 332} 333 334static int hwc_prepare(hwc_composer_device_1 *dev, size_t numDisplays, 335 hwc_display_contents_1_t** displays) 336{ 337 int ret = 0; 338 hwc_context_t* ctx = (hwc_context_t*)(dev); 339 340 if (ctx->mPanelResetStatus) { 341 ALOGW("%s: panel is in bad state. reset the panel", __FUNCTION__); 342 reset_panel(dev); 343 } 344 345 //Will be unlocked at the end of set 346 ctx->mDrawLock.lock(); 347 setPaddingRound(ctx,numDisplays,displays); 348 setDMAState(ctx,numDisplays,displays); 349 setNumActiveDisplays(ctx,numDisplays,displays); 350 reset(ctx, (int)numDisplays, displays); 351 352 ctx->mOverlay->configBegin(); 353 ctx->mRotMgr->configBegin(); 354 overlay::Writeback::configBegin(); 355 356 for (int32_t i = ((int32_t)numDisplays-1); i >=0 ; i--) { 357 hwc_display_contents_1_t *list = displays[i]; 358 int dpy = getDpyforExternalDisplay(ctx, i); 359 switch(dpy) { 360 case HWC_DISPLAY_PRIMARY: 361 ret = hwc_prepare_primary(dev, list); 362 break; 363 case HWC_DISPLAY_EXTERNAL: 364 ret = hwc_prepare_external(dev, list); 365 break; 366 case HWC_DISPLAY_VIRTUAL: 367 if(ctx->mHWCVirtual) 368 ret = ctx->mHWCVirtual->prepare(dev, list); 369 break; 370 default: 371 ret = -EINVAL; 372 } 373 } 374 375 ctx->mOverlay->configDone(); 376 ctx->mRotMgr->configDone(); 377 overlay::Writeback::configDone(); 378 379 return ret; 380} 381 382static int hwc_eventControl(struct hwc_composer_device_1* dev, int dpy, 383 int event, int enable) 384{ 385 ATRACE_CALL(); 386 int ret = 0; 387 hwc_context_t* ctx = (hwc_context_t*)(dev); 388 switch(event) { 389 case HWC_EVENT_VSYNC: 390 if (ctx->vstate.enable == enable) 391 break; 392 ret = hwc_vsync_control(ctx, dpy, enable); 393 if(ret == 0) 394 ctx->vstate.enable = !!enable; 395 ALOGD_IF (VSYNC_DEBUG, "VSYNC state changed to %s", 396 (enable)?"ENABLED":"DISABLED"); 397 break; 398#ifdef QCOM_BSP 399 case HWC_EVENT_ORIENTATION: 400 if(dpy == HWC_DISPLAY_PRIMARY) { 401 Locker::Autolock _l(ctx->mDrawLock); 402 // store the primary display orientation 403 ctx->deviceOrientation = enable; 404 } 405 break; 406#endif 407 default: 408 ret = -EINVAL; 409 } 410 return ret; 411} 412 413static int hwc_blank(struct hwc_composer_device_1* dev, int dpy, int blank) 414{ 415 ATRACE_CALL(); 416 hwc_context_t* ctx = (hwc_context_t*)(dev); 417 418 Locker::Autolock _l(ctx->mDrawLock); 419 int ret = 0, value = 0; 420 421 /* In case of non-hybrid WFD session, we are fooling SF by 422 * piggybacking on HDMI display ID for virtual. 423 * TODO: Not needed once we have WFD client working on top 424 * of Google API's. 425 */ 426 dpy = getDpyforExternalDisplay(ctx,dpy); 427 428 ALOGD_IF(BLANK_DEBUG, "%s: %s display: %d", __FUNCTION__, 429 blank==1 ? "Blanking":"Unblanking", dpy); 430 if(blank) { 431 // free up all the overlay pipes in use 432 // when we get a blank for either display 433 // makes sure that all pipes are freed 434 ctx->mOverlay->configBegin(); 435 ctx->mOverlay->configDone(); 436 ctx->mRotMgr->clear(); 437 // If VDS is connected, do not clear WB object as it 438 // will end up detaching IOMMU. This is required 439 // to send black frame to WFD sink on power suspend. 440 // Note: With this change, we keep the WriteBack object 441 // alive on power suspend for AD use case. 442 } 443 switch(dpy) { 444 case HWC_DISPLAY_PRIMARY: 445 value = blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK; 446 if(ioctl(ctx->dpyAttr[dpy].fd, FBIOBLANK, value) < 0 ) { 447 ALOGE("%s: Failed to handle blank event(%d) for Primary!!", 448 __FUNCTION__, blank ); 449 return -1; 450 } 451 452 if(!blank) { 453 // Enable HPD here, as during bootup unblank is called 454 // when SF is completely initialized 455 ctx->mExtDisplay->setHPD(1); 456 } 457 458 ctx->dpyAttr[dpy].isActive = !blank; 459 460 if(ctx->mVirtualonExtActive) { 461 /* if mVirtualonExtActive is true, display hal will 462 * receive unblank calls for non-hybrid WFD solution 463 * since we piggyback on HDMI. 464 * TODO: Not needed once we have WFD client working on top 465 of Google API's */ 466 break; 467 } 468 case HWC_DISPLAY_VIRTUAL: 469 /* There are two ways to reach this block of code. 470 471 * Display hal has received unblank call on HWC_DISPLAY_EXTERNAL 472 and ctx->mVirtualonExtActive is true. In this case, non-hybrid 473 WFD is active. If so, getDpyforExternalDisplay will return dpy 474 as HWC_DISPLAY_VIRTUAL. 475 476 * Display hal has received unblank call on HWC_DISPLAY_PRIMARY 477 and since SF is not aware of VIRTUAL DISPLAY being handle by HWC, 478 it wont send blank / unblank events for it. We piggyback on 479 PRIMARY DISPLAY events to release mdp pipes and 480 activate/deactivate VIRTUAL DISPLAY. 481 482 * TODO: This separate case statement is not needed once we have 483 WFD client working on top of Google API's. 484 485 */ 486 487 if(ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected) { 488 if(blank and (!ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isPause)) { 489 int dpy = HWC_DISPLAY_VIRTUAL; 490 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 491 ALOGE("%s: display commit fail for virtual!", __FUNCTION__); 492 ret = -1; 493 } 494 } 495 ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = !blank; 496 } 497 break; 498 case HWC_DISPLAY_EXTERNAL: 499 if(blank) { 500 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 501 ALOGE("%s: display commit fail for external!", __FUNCTION__); 502 ret = -1; 503 } 504 } 505 ctx->dpyAttr[dpy].isActive = !blank; 506 break; 507 default: 508 return -EINVAL; 509 } 510 511 ALOGD_IF(BLANK_DEBUG, "%s: Done %s display: %d", __FUNCTION__, 512 blank ? "blanking":"unblanking", dpy); 513 return ret; 514} 515 516static void reset_panel(struct hwc_composer_device_1* dev) 517{ 518 int ret = 0; 519 hwc_context_t* ctx = (hwc_context_t*)(dev); 520 521 if (!ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive) { 522 ALOGD ("%s : Display OFF - Skip BLANK & UNBLANK", __FUNCTION__); 523 ctx->mPanelResetStatus = false; 524 return; 525 } 526 527 ALOGD("%s: calling BLANK DISPLAY", __FUNCTION__); 528 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 1); 529 if (ret < 0) { 530 ALOGE("%s: FBIOBLANK failed to BLANK: %s", __FUNCTION__, 531 strerror(errno)); 532 } 533 534 ALOGD("%s: calling UNBLANK DISPLAY and enabling vsync", __FUNCTION__); 535 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 0); 536 if (ret < 0) { 537 ALOGE("%s: FBIOBLANK failed to UNBLANK : %s", __FUNCTION__, 538 strerror(errno)); 539 } 540 hwc_vsync_control(ctx, HWC_DISPLAY_PRIMARY, 1); 541 542 ctx->mPanelResetStatus = false; 543} 544 545 546static int hwc_query(struct hwc_composer_device_1* dev, 547 int param, int* value) 548{ 549 hwc_context_t* ctx = (hwc_context_t*)(dev); 550 int supported = HWC_DISPLAY_PRIMARY_BIT; 551 552 switch (param) { 553 case HWC_BACKGROUND_LAYER_SUPPORTED: 554 // Not supported for now 555 value[0] = 0; 556 break; 557 case HWC_DISPLAY_TYPES_SUPPORTED: 558 if(ctx->mMDP.hasOverlay) { 559 supported |= HWC_DISPLAY_VIRTUAL_BIT; 560 if(!(qdutils::MDPVersion::getInstance().is8x26() || 561 qdutils::MDPVersion::getInstance().is8x16())) 562 supported |= HWC_DISPLAY_EXTERNAL_BIT; 563 } 564 value[0] = supported; 565 break; 566 case HWC_FORMAT_RB_SWAP: 567 value[0] = 1; 568 break; 569 case HWC_COLOR_FILL: 570 value[0] = 1; 571 break; 572 default: 573 return -EINVAL; 574 } 575 return 0; 576 577} 578 579 580static int hwc_set_primary(hwc_context_t *ctx, hwc_display_contents_1_t* list) { 581 ATRACE_CALL(); 582 int ret = 0; 583 const int dpy = HWC_DISPLAY_PRIMARY; 584 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive) { 585 size_t last = list->numHwLayers - 1; 586 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 587 int fd = -1; //FenceFD from the Copybit(valid in async mode) 588 bool copybitDone = false; 589 if(ctx->mCopyBit[dpy]) 590 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 591 if(list->numHwLayers > 1) 592 hwc_sync(ctx, list, dpy, fd); 593 594 // Dump the layers for primary 595 if(ctx->mHwcDebug[dpy]) 596 ctx->mHwcDebug[dpy]->dumpLayers(list); 597 598 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 599 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 600 ret = -1; 601 } 602 603 //TODO We dont check for SKIP flag on this layer because we need PAN 604 //always. Last layer is always FB 605 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 606 if(copybitDone && ctx->mMDP.version >= qdutils::MDP_V4_0) { 607 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 608 } 609 610 if(hnd) { 611 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 612 ALOGE("%s: FBUpdate draw failed", __FUNCTION__); 613 ret = -1; 614 } 615 } 616 617 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd, 618 ctx->listStats[dpy].roi)) { 619 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 620 ret = -1; 621 } 622 623 } 624 625 closeAcquireFds(list); 626 return ret; 627} 628 629static int hwc_set_external(hwc_context_t *ctx, 630 hwc_display_contents_1_t* list) 631{ 632 ATRACE_CALL(); 633 int ret = 0; 634 635 const int dpy = HWC_DISPLAY_EXTERNAL; 636 637 638 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive && 639 ctx->dpyAttr[dpy].connected && 640 !ctx->dpyAttr[dpy].isPause) { 641 size_t last = list->numHwLayers - 1; 642 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 643 int fd = -1; //FenceFD from the Copybit(valid in async mode) 644 bool copybitDone = false; 645 if(ctx->mCopyBit[dpy]) 646 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 647 648 if(list->numHwLayers > 1) 649 hwc_sync(ctx, list, dpy, fd); 650 651 // Dump the layers for external 652 if(ctx->mHwcDebug[dpy]) 653 ctx->mHwcDebug[dpy]->dumpLayers(list); 654 655 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 656 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 657 ret = -1; 658 } 659 660 int extOnlyLayerIndex = 661 ctx->listStats[dpy].extOnlyLayerIndex; 662 663 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 664 if(extOnlyLayerIndex!= -1) { 665 hwc_layer_1_t *extLayer = &list->hwLayers[extOnlyLayerIndex]; 666 hnd = (private_handle_t *)extLayer->handle; 667 } else if(copybitDone) { 668 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 669 } 670 671 if(hnd && !isYuvBuffer(hnd)) { 672 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 673 ALOGE("%s: FBUpdate::draw fail!", __FUNCTION__); 674 ret = -1; 675 } 676 } 677 678 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 679 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 680 ret = -1; 681 } 682 } 683 684 closeAcquireFds(list); 685 return ret; 686} 687 688static int hwc_set(hwc_composer_device_1 *dev, 689 size_t numDisplays, 690 hwc_display_contents_1_t** displays) 691{ 692 int ret = 0; 693 hwc_context_t* ctx = (hwc_context_t*)(dev); 694 for (int i = 0; i < (int)numDisplays; i++) { 695 hwc_display_contents_1_t* list = displays[i]; 696 int dpy = getDpyforExternalDisplay(ctx, i); 697 switch(dpy) { 698 case HWC_DISPLAY_PRIMARY: 699 ret = hwc_set_primary(ctx, list); 700 break; 701 case HWC_DISPLAY_EXTERNAL: 702 ret = hwc_set_external(ctx, list); 703 break; 704 case HWC_DISPLAY_VIRTUAL: 705 if(ctx->mHWCVirtual) 706 ret = ctx->mHWCVirtual->set(ctx, list); 707 break; 708 default: 709 ret = -EINVAL; 710 } 711 } 712 // This is only indicative of how many times SurfaceFlinger posts 713 // frames to the display. 714 CALC_FPS(); 715 MDPComp::resetIdleFallBack(); 716 ctx->mVideoTransFlag = false; 717 //Was locked at the beginning of prepare 718 ctx->mDrawLock.unlock(); 719 return ret; 720} 721 722int hwc_getDisplayConfigs(struct hwc_composer_device_1* dev, int disp, 723 uint32_t* configs, size_t* numConfigs) { 724 int ret = 0; 725 hwc_context_t* ctx = (hwc_context_t*)(dev); 726 disp = getDpyforExternalDisplay(ctx, disp); 727 //in 1.1 there is no way to choose a config, report as config id # 0 728 //This config is passed to getDisplayAttributes. Ignore for now. 729 switch(disp) { 730 case HWC_DISPLAY_PRIMARY: 731 if(*numConfigs > 0) { 732 configs[0] = 0; 733 *numConfigs = 1; 734 } 735 ret = 0; //NO_ERROR 736 break; 737 case HWC_DISPLAY_EXTERNAL: 738 case HWC_DISPLAY_VIRTUAL: 739 ret = -1; //Not connected 740 if(ctx->dpyAttr[disp].connected) { 741 ret = 0; //NO_ERROR 742 if(*numConfigs > 0) { 743 configs[0] = 0; 744 *numConfigs = 1; 745 } 746 } 747 break; 748 } 749 return ret; 750} 751 752int hwc_getDisplayAttributes(struct hwc_composer_device_1* dev, int disp, 753 uint32_t /*config*/, const uint32_t* attributes, int32_t* values) { 754 755 hwc_context_t* ctx = (hwc_context_t*)(dev); 756 disp = getDpyforExternalDisplay(ctx, disp); 757 //If hotpluggable displays(i.e, HDMI, WFD) are inactive return error 758 if( (disp != HWC_DISPLAY_PRIMARY) && !ctx->dpyAttr[disp].connected) { 759 return -1; 760 } 761 762 //From HWComposer 763 static const uint32_t DISPLAY_ATTRIBUTES[] = { 764 HWC_DISPLAY_VSYNC_PERIOD, 765 HWC_DISPLAY_WIDTH, 766 HWC_DISPLAY_HEIGHT, 767 HWC_DISPLAY_DPI_X, 768 HWC_DISPLAY_DPI_Y, 769 HWC_DISPLAY_NO_ATTRIBUTE, 770 }; 771 772 const size_t NUM_DISPLAY_ATTRIBUTES = (sizeof(DISPLAY_ATTRIBUTES) / 773 sizeof(DISPLAY_ATTRIBUTES)[0]); 774 775 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 776 switch (attributes[i]) { 777 case HWC_DISPLAY_VSYNC_PERIOD: 778 values[i] = ctx->dpyAttr[disp].vsync_period; 779 break; 780 case HWC_DISPLAY_WIDTH: 781 values[i] = ctx->dpyAttr[disp].xres; 782 ALOGD("%s disp = %d, width = %d",__FUNCTION__, disp, 783 ctx->dpyAttr[disp].xres); 784 break; 785 case HWC_DISPLAY_HEIGHT: 786 values[i] = ctx->dpyAttr[disp].yres; 787 ALOGD("%s disp = %d, height = %d",__FUNCTION__, disp, 788 ctx->dpyAttr[disp].yres); 789 break; 790 case HWC_DISPLAY_DPI_X: 791 values[i] = (int32_t) (ctx->dpyAttr[disp].xdpi*1000.0); 792 break; 793 case HWC_DISPLAY_DPI_Y: 794 values[i] = (int32_t) (ctx->dpyAttr[disp].ydpi*1000.0); 795 break; 796 default: 797 ALOGE("Unknown display attribute %d", 798 attributes[i]); 799 return -EINVAL; 800 } 801 } 802 return 0; 803} 804 805void hwc_dump(struct hwc_composer_device_1* dev, char *buff, int buff_len) 806{ 807 hwc_context_t* ctx = (hwc_context_t*)(dev); 808 Locker::Autolock _l(ctx->mDrawLock); 809 android::String8 aBuf(""); 810 dumpsys_log(aBuf, "Qualcomm HWC state:\n"); 811 dumpsys_log(aBuf, " MDPVersion=%d\n", ctx->mMDP.version); 812 dumpsys_log(aBuf, " DisplayPanel=%c\n", ctx->mMDP.panel); 813 for(int dpy = 0; dpy < HWC_NUM_DISPLAY_TYPES; dpy++) { 814 if(ctx->mMDPComp[dpy]) 815 ctx->mMDPComp[dpy]->dump(aBuf); 816 } 817 char ovDump[2048] = {'\0'}; 818 ctx->mOverlay->getDump(ovDump, 2048); 819 dumpsys_log(aBuf, ovDump); 820 ovDump[0] = '\0'; 821 ctx->mRotMgr->getDump(ovDump, 1024); 822 dumpsys_log(aBuf, ovDump); 823 ovDump[0] = '\0'; 824 if(Writeback::getDump(ovDump, 1024)) { 825 dumpsys_log(aBuf, ovDump); 826 ovDump[0] = '\0'; 827 } 828 strlcpy(buff, aBuf.string(), buff_len); 829} 830 831static int hwc_device_close(struct hw_device_t *dev) 832{ 833 if(!dev) { 834 ALOGE("%s: NULL device pointer", __FUNCTION__); 835 return -1; 836 } 837 closeContext((hwc_context_t*)dev); 838 free(dev); 839 840 return 0; 841} 842 843static int hwc_device_open(const struct hw_module_t* module, const char* name, 844 struct hw_device_t** device) 845{ 846 int status = -EINVAL; 847 848 if (!strcmp(name, HWC_HARDWARE_COMPOSER)) { 849 struct hwc_context_t *dev; 850 dev = (hwc_context_t*)malloc(sizeof(*dev)); 851 if(dev == NULL) 852 return status; 853 memset(dev, 0, sizeof(*dev)); 854 855 //Initialize hwc context 856 initContext(dev); 857 858 //Setup HWC methods 859 dev->device.common.tag = HARDWARE_DEVICE_TAG; 860 dev->device.common.version = HWC_DEVICE_API_VERSION_1_3; 861 dev->device.common.module = const_cast<hw_module_t*>(module); 862 dev->device.common.close = hwc_device_close; 863 dev->device.prepare = hwc_prepare; 864 dev->device.set = hwc_set; 865 dev->device.eventControl = hwc_eventControl; 866 dev->device.blank = hwc_blank; 867 dev->device.query = hwc_query; 868 dev->device.registerProcs = hwc_registerProcs; 869 dev->device.dump = hwc_dump; 870 dev->device.getDisplayConfigs = hwc_getDisplayConfigs; 871 dev->device.getDisplayAttributes = hwc_getDisplayAttributes; 872 *device = &dev->device.common; 873 status = 0; 874 } 875 return status; 876} 877