hwc.cpp revision 6f7634666209698e4835b9f326278a7068834383
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 video layer requires rotation, set the DMA state 147 * to BLOCK_MODE */ 148 149 if (UNLIKELY(isYuvBuffer(hnd)) && canUseRotator(ctx, dpy) && 150 (layer->transform & HWC_TRANSFORM_ROT_90)) { 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->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 231static void scaleDisplayFrame(hwc_context_t *ctx, int dpy, 232 hwc_display_contents_1_t *list) { 233 uint32_t origXres = ctx->dpyAttr[dpy].xres; 234 uint32_t origYres = ctx->dpyAttr[dpy].yres; 235 uint32_t newXres = ctx->dpyAttr[dpy].xres_new; 236 uint32_t newYres = ctx->dpyAttr[dpy].yres_new; 237 float xresRatio = (float)origXres / (float)newXres; 238 float yresRatio = (float)origYres / (float)newYres; 239 for (size_t i = 0; i < list->numHwLayers; i++) { 240 hwc_layer_1_t *layer = &list->hwLayers[i]; 241 hwc_rect_t& displayFrame = layer->displayFrame; 242 hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf); 243 uint32_t layerWidth = displayFrame.right - displayFrame.left; 244 uint32_t layerHeight = displayFrame.bottom - displayFrame.top; 245 displayFrame.left = (int)(xresRatio * (float)displayFrame.left); 246 displayFrame.top = (int)(yresRatio * (float)displayFrame.top); 247 displayFrame.right = (int)((float)displayFrame.left + 248 (float)layerWidth * xresRatio); 249 displayFrame.bottom = (int)((float)displayFrame.top + 250 (float)layerHeight * yresRatio); 251 } 252} 253 254static int hwc_prepare_primary(hwc_composer_device_1 *dev, 255 hwc_display_contents_1_t *list) { 256 ATRACE_CALL(); 257 hwc_context_t* ctx = (hwc_context_t*)(dev); 258 const int dpy = HWC_DISPLAY_PRIMARY; 259 bool fbComp = false; 260 if (LIKELY(list && list->numHwLayers > 1) && 261 ctx->dpyAttr[dpy].isActive) { 262 263 if (ctx->dpyAttr[dpy].customFBSize && 264 list->flags & HWC_GEOMETRY_CHANGED) 265 scaleDisplayFrame(ctx, dpy, list); 266 267 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 268 setListStats(ctx, list, dpy); 269 270 fbComp = (ctx->mMDPComp[dpy]->prepare(ctx, list) < 0); 271 272 if (fbComp) { 273 const int fbZ = 0; 274 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) { 275 ctx->mOverlay->clear(dpy); 276 ctx->mLayerRotMap[dpy]->clear(); 277 } 278 } 279 280 if (ctx->mMDP.version < qdutils::MDP_V4_0) { 281 if(ctx->mCopyBit[dpy]) 282 ctx->mCopyBit[dpy]->prepare(ctx, list, dpy); 283 } 284 setGPUHint(ctx, list); 285 } 286 return 0; 287} 288 289static int hwc_prepare_external(hwc_composer_device_1 *dev, 290 hwc_display_contents_1_t *list) { 291 ATRACE_CALL(); 292 hwc_context_t* ctx = (hwc_context_t*)(dev); 293 const int dpy = HWC_DISPLAY_EXTERNAL; 294 295 if (LIKELY(list && list->numHwLayers > 1) && 296 ctx->dpyAttr[dpy].isActive && 297 ctx->dpyAttr[dpy].connected) { 298 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 299 if(!ctx->dpyAttr[dpy].isPause) { 300 ctx->dpyAttr[dpy].isConfiguring = false; 301 setListStats(ctx, list, dpy); 302 if(ctx->mMDPComp[dpy]->prepare(ctx, list) < 0) { 303 const int fbZ = 0; 304 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) 305 { 306 ctx->mOverlay->clear(dpy); 307 ctx->mLayerRotMap[dpy]->clear(); 308 } 309 } 310 } else { 311 /* External Display is in Pause state. 312 * Mark all application layers as OVERLAY so that 313 * GPU will not compose. 314 */ 315 for(size_t i = 0 ;i < (size_t)(list->numHwLayers - 1); i++) { 316 hwc_layer_1_t *layer = &list->hwLayers[i]; 317 layer->compositionType = HWC_OVERLAY; 318 } 319 } 320 } 321 return 0; 322} 323 324static int hwc_prepare(hwc_composer_device_1 *dev, size_t numDisplays, 325 hwc_display_contents_1_t** displays) 326{ 327 int ret = 0; 328 hwc_context_t* ctx = (hwc_context_t*)(dev); 329 330 if (ctx->mPanelResetStatus) { 331 ALOGW("%s: panel is in bad state. reset the panel", __FUNCTION__); 332 reset_panel(dev); 333 } 334 335 //Will be unlocked at the end of set 336 ctx->mDrawLock.lock(); 337 setPaddingRound(ctx,numDisplays,displays); 338 setDMAState(ctx,numDisplays,displays); 339 setNumActiveDisplays(ctx,numDisplays,displays); 340 reset(ctx, (int)numDisplays, displays); 341 342 ctx->mOverlay->configBegin(); 343 ctx->mRotMgr->configBegin(); 344 overlay::Writeback::configBegin(); 345 346 for (int32_t i = ((int32_t)numDisplays-1); i >=0 ; i--) { 347 hwc_display_contents_1_t *list = displays[i]; 348 int dpy = getDpyforExternalDisplay(ctx, i); 349 switch(dpy) { 350 case HWC_DISPLAY_PRIMARY: 351 ret = hwc_prepare_primary(dev, list); 352 break; 353 case HWC_DISPLAY_EXTERNAL: 354 ret = hwc_prepare_external(dev, list); 355 break; 356 case HWC_DISPLAY_VIRTUAL: 357 if(ctx->mHWCVirtual) 358 ret = ctx->mHWCVirtual->prepare(dev, list); 359 break; 360 default: 361 ret = -EINVAL; 362 } 363 } 364 365 ctx->mOverlay->configDone(); 366 ctx->mRotMgr->configDone(); 367 overlay::Writeback::configDone(); 368 369 return ret; 370} 371 372static int hwc_eventControl(struct hwc_composer_device_1* dev, int dpy, 373 int event, int enable) 374{ 375 ATRACE_CALL(); 376 int ret = 0; 377 hwc_context_t* ctx = (hwc_context_t*)(dev); 378 switch(event) { 379 case HWC_EVENT_VSYNC: 380 if (ctx->vstate.enable == enable) 381 break; 382 ret = hwc_vsync_control(ctx, dpy, enable); 383 if(ret == 0) 384 ctx->vstate.enable = !!enable; 385 ALOGD_IF (VSYNC_DEBUG, "VSYNC state changed to %s", 386 (enable)?"ENABLED":"DISABLED"); 387 break; 388#ifdef QCOM_BSP 389 case HWC_EVENT_ORIENTATION: 390 if(dpy == HWC_DISPLAY_PRIMARY) { 391 Locker::Autolock _l(ctx->mDrawLock); 392 // store the primary display orientation 393 ctx->deviceOrientation = enable; 394 } 395 break; 396#endif 397 default: 398 ret = -EINVAL; 399 } 400 return ret; 401} 402 403static int hwc_blank(struct hwc_composer_device_1* dev, int dpy, int blank) 404{ 405 ATRACE_CALL(); 406 hwc_context_t* ctx = (hwc_context_t*)(dev); 407 408 Locker::Autolock _l(ctx->mDrawLock); 409 int ret = 0, value = 0; 410 411 /* In case of non-hybrid WFD session, we are fooling SF by 412 * piggybacking on HDMI display ID for virtual. 413 * TODO: Not needed once we have WFD client working on top 414 * of Google API's. 415 */ 416 dpy = getDpyforExternalDisplay(ctx,dpy); 417 418 ALOGD_IF(BLANK_DEBUG, "%s: %s display: %d", __FUNCTION__, 419 blank==1 ? "Blanking":"Unblanking", dpy); 420 if(blank) { 421 // free up all the overlay pipes in use 422 // when we get a blank for either display 423 // makes sure that all pipes are freed 424 ctx->mOverlay->configBegin(); 425 ctx->mOverlay->configDone(); 426 ctx->mRotMgr->clear(); 427 // If VDS is connected, do not clear WB object as it 428 // will end up detaching IOMMU. This is required 429 // to send black frame to WFD sink on power suspend. 430 // Note: With this change, we keep the WriteBack object 431 // alive on power suspend for AD use case. 432 } 433 switch(dpy) { 434 case HWC_DISPLAY_PRIMARY: 435 value = blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK; 436 if(ioctl(ctx->dpyAttr[dpy].fd, FBIOBLANK, value) < 0 ) { 437 ALOGE("%s: Failed to handle blank event(%d) for Primary!!", 438 __FUNCTION__, blank ); 439 return -1; 440 } 441 442 if(!blank) { 443 // Enable HPD here, as during bootup unblank is called 444 // when SF is completely initialized 445 ctx->mExtDisplay->setHPD(1); 446 } 447 448 ctx->dpyAttr[dpy].isActive = !blank; 449 450 if(ctx->mVirtualonExtActive) { 451 /* if mVirtualonExtActive is true, display hal will 452 * receive unblank calls for non-hybrid WFD solution 453 * since we piggyback on HDMI. 454 * TODO: Not needed once we have WFD client working on top 455 of Google API's */ 456 break; 457 } 458 case HWC_DISPLAY_VIRTUAL: 459 /* There are two ways to reach this block of code. 460 461 * Display hal has received unblank call on HWC_DISPLAY_EXTERNAL 462 and ctx->mVirtualonExtActive is true. In this case, non-hybrid 463 WFD is active. If so, getDpyforExternalDisplay will return dpy 464 as HWC_DISPLAY_VIRTUAL. 465 466 * Display hal has received unblank call on HWC_DISPLAY_PRIMARY 467 and since SF is not aware of VIRTUAL DISPLAY being handle by HWC, 468 it wont send blank / unblank events for it. We piggyback on 469 PRIMARY DISPLAY events to release mdp pipes and 470 activate/deactivate VIRTUAL DISPLAY. 471 472 * TODO: This separate case statement is not needed once we have 473 WFD client working on top of Google API's. 474 475 */ 476 477 if(ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected) { 478 if(blank and (!ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isPause)) { 479 int dpy = HWC_DISPLAY_VIRTUAL; 480 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 481 ALOGE("%s: display commit fail for virtual!", __FUNCTION__); 482 ret = -1; 483 } 484 } 485 ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = !blank; 486 } 487 break; 488 case HWC_DISPLAY_EXTERNAL: 489 if(blank) { 490 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 491 ALOGE("%s: display commit fail for external!", __FUNCTION__); 492 ret = -1; 493 } 494 } 495 ctx->dpyAttr[dpy].isActive = !blank; 496 break; 497 default: 498 return -EINVAL; 499 } 500 501 ALOGD_IF(BLANK_DEBUG, "%s: Done %s display: %d", __FUNCTION__, 502 blank ? "blanking":"unblanking", dpy); 503 return ret; 504} 505 506static void reset_panel(struct hwc_composer_device_1* dev) 507{ 508 int ret = 0; 509 hwc_context_t* ctx = (hwc_context_t*)(dev); 510 511 if (!ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive) { 512 ALOGD ("%s : Display OFF - Skip BLANK & UNBLANK", __FUNCTION__); 513 ctx->mPanelResetStatus = false; 514 return; 515 } 516 517 ALOGD("%s: calling BLANK DISPLAY", __FUNCTION__); 518 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 1); 519 if (ret < 0) { 520 ALOGE("%s: FBIOBLANK failed to BLANK: %s", __FUNCTION__, 521 strerror(errno)); 522 } 523 524 ALOGD("%s: calling UNBLANK DISPLAY and enabling vsync", __FUNCTION__); 525 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 0); 526 if (ret < 0) { 527 ALOGE("%s: FBIOBLANK failed to UNBLANK : %s", __FUNCTION__, 528 strerror(errno)); 529 } 530 hwc_vsync_control(ctx, HWC_DISPLAY_PRIMARY, 1); 531 532 ctx->mPanelResetStatus = false; 533} 534 535 536static int hwc_query(struct hwc_composer_device_1* dev, 537 int param, int* value) 538{ 539 hwc_context_t* ctx = (hwc_context_t*)(dev); 540 int supported = HWC_DISPLAY_PRIMARY_BIT; 541 542 switch (param) { 543 case HWC_BACKGROUND_LAYER_SUPPORTED: 544 // Not supported for now 545 value[0] = 0; 546 break; 547 case HWC_DISPLAY_TYPES_SUPPORTED: 548 if(ctx->mMDP.hasOverlay) { 549 supported |= HWC_DISPLAY_VIRTUAL_BIT; 550 if(!(qdutils::MDPVersion::getInstance().is8x26() || 551 qdutils::MDPVersion::getInstance().is8x16() || 552 qdutils::MDPVersion::getInstance().is8x39())) 553 supported |= HWC_DISPLAY_EXTERNAL_BIT; 554 } 555 value[0] = supported; 556 break; 557 case HWC_FORMAT_RB_SWAP: 558 value[0] = 1; 559 break; 560 case HWC_COLOR_FILL: 561 value[0] = 1; 562 break; 563 default: 564 return -EINVAL; 565 } 566 return 0; 567 568} 569 570 571static int hwc_set_primary(hwc_context_t *ctx, hwc_display_contents_1_t* list) { 572 ATRACE_CALL(); 573 int ret = 0; 574 const int dpy = HWC_DISPLAY_PRIMARY; 575 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive) { 576 size_t last = list->numHwLayers - 1; 577 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 578 int fd = -1; //FenceFD from the Copybit(valid in async mode) 579 bool copybitDone = false; 580 if(ctx->mCopyBit[dpy]) 581 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 582 if(list->numHwLayers > 1) 583 hwc_sync(ctx, list, dpy, fd); 584 585 // Dump the layers for primary 586 if(ctx->mHwcDebug[dpy]) 587 ctx->mHwcDebug[dpy]->dumpLayers(list); 588 589 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 590 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 591 ret = -1; 592 } 593 594 //TODO We dont check for SKIP flag on this layer because we need PAN 595 //always. Last layer is always FB 596 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 597 if(copybitDone && ctx->mMDP.version >= qdutils::MDP_V4_0) { 598 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 599 } 600 601 if(hnd) { 602 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 603 ALOGE("%s: FBUpdate draw failed", __FUNCTION__); 604 ret = -1; 605 } 606 } 607 608 int lSplit = getLeftSplit(ctx, dpy); 609 qhwc::ovutils::Dim lRoi = qhwc::ovutils::Dim { 610 ctx->listStats[dpy].lRoi.left, 611 ctx->listStats[dpy].lRoi.top, 612 ctx->listStats[dpy].lRoi.right - ctx->listStats[dpy].lRoi.left, 613 ctx->listStats[dpy].lRoi.bottom - ctx->listStats[dpy].lRoi.top }; 614 615 qhwc::ovutils::Dim rRoi = qhwc::ovutils::Dim { 616 ctx->listStats[dpy].rRoi.left - lSplit, 617 ctx->listStats[dpy].rRoi.top, 618 ctx->listStats[dpy].rRoi.right - ctx->listStats[dpy].rRoi.left, 619 ctx->listStats[dpy].rRoi.bottom - ctx->listStats[dpy].rRoi.top }; 620 621 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd, lRoi, rRoi)) { 622 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 623 ret = -1; 624 } 625 626 } 627 628 closeAcquireFds(list); 629 return ret; 630} 631 632static int hwc_set_external(hwc_context_t *ctx, 633 hwc_display_contents_1_t* list) 634{ 635 ATRACE_CALL(); 636 int ret = 0; 637 638 const int dpy = HWC_DISPLAY_EXTERNAL; 639 640 641 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive && 642 ctx->dpyAttr[dpy].connected && 643 !ctx->dpyAttr[dpy].isPause) { 644 size_t last = list->numHwLayers - 1; 645 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 646 int fd = -1; //FenceFD from the Copybit(valid in async mode) 647 bool copybitDone = false; 648 if(ctx->mCopyBit[dpy]) 649 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 650 651 if(list->numHwLayers > 1) 652 hwc_sync(ctx, list, dpy, fd); 653 654 // Dump the layers for external 655 if(ctx->mHwcDebug[dpy]) 656 ctx->mHwcDebug[dpy]->dumpLayers(list); 657 658 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 659 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 660 ret = -1; 661 } 662 663 int extOnlyLayerIndex = 664 ctx->listStats[dpy].extOnlyLayerIndex; 665 666 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 667 if(extOnlyLayerIndex!= -1) { 668 hwc_layer_1_t *extLayer = &list->hwLayers[extOnlyLayerIndex]; 669 hnd = (private_handle_t *)extLayer->handle; 670 } else if(copybitDone) { 671 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 672 } 673 674 if(hnd && !isYuvBuffer(hnd)) { 675 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 676 ALOGE("%s: FBUpdate::draw fail!", __FUNCTION__); 677 ret = -1; 678 } 679 } 680 681 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 682 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 683 ret = -1; 684 } 685 } 686 687 closeAcquireFds(list); 688 return ret; 689} 690 691static int hwc_set(hwc_composer_device_1 *dev, 692 size_t numDisplays, 693 hwc_display_contents_1_t** displays) 694{ 695 int ret = 0; 696 hwc_context_t* ctx = (hwc_context_t*)(dev); 697 for (int i = 0; i < (int)numDisplays; i++) { 698 hwc_display_contents_1_t* list = displays[i]; 699 int dpy = getDpyforExternalDisplay(ctx, i); 700 switch(dpy) { 701 case HWC_DISPLAY_PRIMARY: 702 ret = hwc_set_primary(ctx, list); 703 break; 704 case HWC_DISPLAY_EXTERNAL: 705 ret = hwc_set_external(ctx, list); 706 break; 707 case HWC_DISPLAY_VIRTUAL: 708 if(ctx->mHWCVirtual) 709 ret = ctx->mHWCVirtual->set(ctx, list); 710 break; 711 default: 712 ret = -EINVAL; 713 } 714 } 715 // This is only indicative of how many times SurfaceFlinger posts 716 // frames to the display. 717 CALC_FPS(); 718 MDPComp::resetIdleFallBack(); 719 ctx->mVideoTransFlag = false; 720 //Was locked at the beginning of prepare 721 ctx->mDrawLock.unlock(); 722 return ret; 723} 724 725int hwc_getDisplayConfigs(struct hwc_composer_device_1* dev, int disp, 726 uint32_t* configs, size_t* numConfigs) { 727 int ret = 0; 728 hwc_context_t* ctx = (hwc_context_t*)(dev); 729 disp = getDpyforExternalDisplay(ctx, disp); 730 //in 1.1 there is no way to choose a config, report as config id # 0 731 //This config is passed to getDisplayAttributes. Ignore for now. 732 switch(disp) { 733 case HWC_DISPLAY_PRIMARY: 734 if(*numConfigs > 0) { 735 configs[0] = 0; 736 *numConfigs = 1; 737 } 738 ret = 0; //NO_ERROR 739 break; 740 case HWC_DISPLAY_EXTERNAL: 741 case HWC_DISPLAY_VIRTUAL: 742 ret = -1; //Not connected 743 if(ctx->dpyAttr[disp].connected) { 744 ret = 0; //NO_ERROR 745 if(*numConfigs > 0) { 746 configs[0] = 0; 747 *numConfigs = 1; 748 } 749 } 750 break; 751 } 752 return ret; 753} 754 755int hwc_getDisplayAttributes(struct hwc_composer_device_1* dev, int disp, 756 uint32_t /*config*/, const uint32_t* attributes, int32_t* values) { 757 758 hwc_context_t* ctx = (hwc_context_t*)(dev); 759 disp = getDpyforExternalDisplay(ctx, disp); 760 //If hotpluggable displays(i.e, HDMI, WFD) are inactive return error 761 if( (disp != HWC_DISPLAY_PRIMARY) && !ctx->dpyAttr[disp].connected) { 762 return -1; 763 } 764 765 //From HWComposer 766 static const uint32_t DISPLAY_ATTRIBUTES[] = { 767 HWC_DISPLAY_VSYNC_PERIOD, 768 HWC_DISPLAY_WIDTH, 769 HWC_DISPLAY_HEIGHT, 770 HWC_DISPLAY_DPI_X, 771 HWC_DISPLAY_DPI_Y, 772 HWC_DISPLAY_NO_ATTRIBUTE, 773 }; 774 775 const size_t NUM_DISPLAY_ATTRIBUTES = (sizeof(DISPLAY_ATTRIBUTES) / 776 sizeof(DISPLAY_ATTRIBUTES)[0]); 777 778 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 779 switch (attributes[i]) { 780 case HWC_DISPLAY_VSYNC_PERIOD: 781 values[i] = ctx->dpyAttr[disp].vsync_period; 782 break; 783 case HWC_DISPLAY_WIDTH: 784 if (ctx->dpyAttr[disp].customFBSize) 785 values[i] = ctx->dpyAttr[disp].xres_new; 786 else 787 values[i] = ctx->dpyAttr[disp].xres; 788 789 ALOGD("%s disp = %d, width = %d",__FUNCTION__, disp, 790 values[i]); 791 break; 792 case HWC_DISPLAY_HEIGHT: 793 if (ctx->dpyAttr[disp].customFBSize) 794 values[i] = ctx->dpyAttr[disp].yres_new; 795 else 796 values[i] = ctx->dpyAttr[disp].yres; 797 ALOGD("%s disp = %d, height = %d",__FUNCTION__, disp, 798 values[i]); 799 break; 800 case HWC_DISPLAY_DPI_X: 801 values[i] = (int32_t) (ctx->dpyAttr[disp].xdpi*1000.0); 802 break; 803 case HWC_DISPLAY_DPI_Y: 804 values[i] = (int32_t) (ctx->dpyAttr[disp].ydpi*1000.0); 805 break; 806 default: 807 ALOGE("Unknown display attribute %d", 808 attributes[i]); 809 return -EINVAL; 810 } 811 } 812 return 0; 813} 814 815void hwc_dump(struct hwc_composer_device_1* dev, char *buff, int buff_len) 816{ 817 hwc_context_t* ctx = (hwc_context_t*)(dev); 818 Locker::Autolock _l(ctx->mDrawLock); 819 android::String8 aBuf(""); 820 dumpsys_log(aBuf, "Qualcomm HWC state:\n"); 821 dumpsys_log(aBuf, " MDPVersion=%d\n", ctx->mMDP.version); 822 dumpsys_log(aBuf, " DisplayPanel=%c\n", ctx->mMDP.panel); 823 if(ctx->vstate.fakevsync) 824 dumpsys_log(aBuf, " Vsync is being faked!!\n"); 825 for(int dpy = 0; dpy < HWC_NUM_DISPLAY_TYPES; dpy++) { 826 if(ctx->mMDPComp[dpy]) 827 ctx->mMDPComp[dpy]->dump(aBuf); 828 } 829 char ovDump[2048] = {'\0'}; 830 ctx->mOverlay->getDump(ovDump, 2048); 831 dumpsys_log(aBuf, ovDump); 832 ovDump[0] = '\0'; 833 ctx->mRotMgr->getDump(ovDump, 1024); 834 dumpsys_log(aBuf, ovDump); 835 ovDump[0] = '\0'; 836 if(Writeback::getDump(ovDump, 1024)) { 837 dumpsys_log(aBuf, ovDump); 838 ovDump[0] = '\0'; 839 } 840 strlcpy(buff, aBuf.string(), buff_len); 841} 842 843static int hwc_device_close(struct hw_device_t *dev) 844{ 845 if(!dev) { 846 ALOGE("%s: NULL device pointer", __FUNCTION__); 847 return -1; 848 } 849 closeContext((hwc_context_t*)dev); 850 free(dev); 851 852 return 0; 853} 854 855static int hwc_device_open(const struct hw_module_t* module, const char* name, 856 struct hw_device_t** device) 857{ 858 int status = -EINVAL; 859 860 if (!strcmp(name, HWC_HARDWARE_COMPOSER)) { 861 struct hwc_context_t *dev; 862 dev = (hwc_context_t*)malloc(sizeof(*dev)); 863 if(dev == NULL) 864 return status; 865 memset(dev, 0, sizeof(*dev)); 866 867 //Initialize hwc context 868 initContext(dev); 869 870 //Setup HWC methods 871 dev->device.common.tag = HARDWARE_DEVICE_TAG; 872 dev->device.common.version = HWC_DEVICE_API_VERSION_1_3; 873 dev->device.common.module = const_cast<hw_module_t*>(module); 874 dev->device.common.close = hwc_device_close; 875 dev->device.prepare = hwc_prepare; 876 dev->device.set = hwc_set; 877 dev->device.eventControl = hwc_eventControl; 878 dev->device.blank = hwc_blank; 879 dev->device.query = hwc_query; 880 dev->device.registerProcs = hwc_registerProcs; 881 dev->device.dump = hwc_dump; 882 dev->device.getDisplayConfigs = hwc_getDisplayConfigs; 883 dev->device.getDisplayAttributes = hwc_getDisplayAttributes; 884 *device = &dev->device.common; 885 status = 0; 886 } 887 return status; 888} 889