hwc.cpp revision 8df62de616b3025ad53714460320aa100e97165c
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 qdutils::MDPVersion::getInstance().is8x26()) { 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 ctx->mPrevHwLayerCount[i] = (int)list->numHwLayers; 215 } else { 216 ctx->mPrevHwLayerCount[i] = 0; 217 } 218 219 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 MDPComp::reset(); 229 if(ctx->mHWCVirtual) 230 ctx->mHWCVirtual->destroy(ctx, numDisplays, displays); 231} 232 233bool isEqual(float f1, float f2) { 234 return ((int)(f1*100) == (int)(f2*100)) ? true : false; 235} 236 237static void scaleDisplayFrame(hwc_context_t *ctx, int dpy, 238 hwc_display_contents_1_t *list) { 239 uint32_t origXres = ctx->dpyAttr[dpy].xres_orig; 240 uint32_t origYres = ctx->dpyAttr[dpy].yres_orig; 241 uint32_t fakeXres = ctx->dpyAttr[dpy].xres; 242 uint32_t fakeYres = ctx->dpyAttr[dpy].yres; 243 float xresRatio = (float)origXres / (float)fakeXres; 244 float yresRatio = (float)origYres / (float)fakeYres; 245 for (size_t i = 0; i < list->numHwLayers; i++) { 246 hwc_layer_1_t *layer = &list->hwLayers[i]; 247 hwc_rect_t& displayFrame = layer->displayFrame; 248 hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf); 249 uint32_t layerWidth = displayFrame.right - displayFrame.left; 250 uint32_t layerHeight = displayFrame.bottom - displayFrame.top; 251 uint32_t sourceWidth = sourceCrop.right - sourceCrop.left; 252 uint32_t sourceHeight = sourceCrop.bottom - sourceCrop.top; 253 254 if (isEqual(((float)layerWidth / (float)sourceWidth), xresRatio) && 255 isEqual(((float)layerHeight / (float)sourceHeight), yresRatio)) 256 break; 257 258 displayFrame.left = (int)(xresRatio * (float)displayFrame.left); 259 displayFrame.top = (int)(yresRatio * (float)displayFrame.top); 260 displayFrame.right = (int)((float)displayFrame.left + 261 (float)layerWidth * xresRatio); 262 displayFrame.bottom = (int)((float)displayFrame.top + 263 (float)layerHeight * yresRatio); 264 } 265} 266 267static int hwc_prepare_primary(hwc_composer_device_1 *dev, 268 hwc_display_contents_1_t *list) { 269 ATRACE_CALL(); 270 hwc_context_t* ctx = (hwc_context_t*)(dev); 271 const int dpy = HWC_DISPLAY_PRIMARY; 272 bool fbComp = false; 273 if (LIKELY(list && list->numHwLayers > 1) && 274 ctx->dpyAttr[dpy].isActive) { 275 276 if (ctx->dpyAttr[dpy].customFBSize) 277 scaleDisplayFrame(ctx, dpy, list); 278 279 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 280 setListStats(ctx, list, dpy); 281 282 fbComp = (ctx->mMDPComp[dpy]->prepare(ctx, list) < 0); 283 284 if (fbComp) { 285 const int fbZ = 0; 286 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) { 287 ctx->mOverlay->clear(dpy); 288 ctx->mLayerRotMap[dpy]->clear(); 289 } 290 } 291 292 if (ctx->mMDP.version < qdutils::MDP_V4_0) { 293 if(ctx->mCopyBit[dpy]) 294 ctx->mCopyBit[dpy]->prepare(ctx, list, dpy); 295 } 296 setGPUHint(ctx, list); 297 } 298 return 0; 299} 300 301static int hwc_prepare_external(hwc_composer_device_1 *dev, 302 hwc_display_contents_1_t *list) { 303 ATRACE_CALL(); 304 hwc_context_t* ctx = (hwc_context_t*)(dev); 305 const int dpy = HWC_DISPLAY_EXTERNAL; 306 307 if (LIKELY(list && list->numHwLayers > 1) && 308 ctx->dpyAttr[dpy].isActive && 309 ctx->dpyAttr[dpy].connected) { 310 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 311 if(!ctx->dpyAttr[dpy].isPause) { 312 ctx->dpyAttr[dpy].isConfiguring = false; 313 setListStats(ctx, list, dpy); 314 if(ctx->mMDPComp[dpy]->prepare(ctx, list) < 0) { 315 const int fbZ = 0; 316 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) 317 { 318 ctx->mOverlay->clear(dpy); 319 ctx->mLayerRotMap[dpy]->clear(); 320 } 321 } 322 } else { 323 /* External Display is in Pause state. 324 * Mark all application layers as OVERLAY so that 325 * GPU will not compose. 326 */ 327 for(size_t i = 0 ;i < (size_t)(list->numHwLayers - 1); i++) { 328 hwc_layer_1_t *layer = &list->hwLayers[i]; 329 layer->compositionType = HWC_OVERLAY; 330 } 331 } 332 } 333 return 0; 334} 335 336static int hwc_prepare(hwc_composer_device_1 *dev, size_t numDisplays, 337 hwc_display_contents_1_t** displays) 338{ 339 int ret = 0; 340 hwc_context_t* ctx = (hwc_context_t*)(dev); 341 342 if (ctx->mPanelResetStatus) { 343 ALOGW("%s: panel is in bad state. reset the panel", __FUNCTION__); 344 reset_panel(dev); 345 } 346 347 //Will be unlocked at the end of set 348 ctx->mDrawLock.lock(); 349 setPaddingRound(ctx,numDisplays,displays); 350 setDMAState(ctx,numDisplays,displays); 351 setNumActiveDisplays(ctx,numDisplays,displays); 352 reset(ctx, (int)numDisplays, displays); 353 354 ctx->mOverlay->configBegin(); 355 ctx->mRotMgr->configBegin(); 356 overlay::Writeback::configBegin(); 357 358 for (int32_t i = ((int32_t)numDisplays-1); i >=0 ; i--) { 359 hwc_display_contents_1_t *list = displays[i]; 360 int dpy = getDpyforExternalDisplay(ctx, i); 361 switch(dpy) { 362 case HWC_DISPLAY_PRIMARY: 363 ret = hwc_prepare_primary(dev, list); 364 break; 365 case HWC_DISPLAY_EXTERNAL: 366 ret = hwc_prepare_external(dev, list); 367 break; 368 case HWC_DISPLAY_VIRTUAL: 369 if(ctx->mHWCVirtual) 370 ret = ctx->mHWCVirtual->prepare(dev, list); 371 break; 372 default: 373 ret = -EINVAL; 374 } 375 } 376 377 ctx->mOverlay->configDone(); 378 ctx->mRotMgr->configDone(); 379 overlay::Writeback::configDone(); 380 381 return ret; 382} 383 384static int hwc_eventControl(struct hwc_composer_device_1* dev, int dpy, 385 int event, int enable) 386{ 387 ATRACE_CALL(); 388 int ret = 0; 389 hwc_context_t* ctx = (hwc_context_t*)(dev); 390 switch(event) { 391 case HWC_EVENT_VSYNC: 392 if (ctx->vstate.enable == enable) 393 break; 394 ret = hwc_vsync_control(ctx, dpy, enable); 395 if(ret == 0) 396 ctx->vstate.enable = !!enable; 397 ALOGD_IF (VSYNC_DEBUG, "VSYNC state changed to %s", 398 (enable)?"ENABLED":"DISABLED"); 399 break; 400#ifdef QCOM_BSP 401 case HWC_EVENT_ORIENTATION: 402 if(dpy == HWC_DISPLAY_PRIMARY) { 403 Locker::Autolock _l(ctx->mDrawLock); 404 // store the primary display orientation 405 ctx->deviceOrientation = enable; 406 } 407 break; 408#endif 409 default: 410 ret = -EINVAL; 411 } 412 return ret; 413} 414 415static int hwc_blank(struct hwc_composer_device_1* dev, int dpy, int blank) 416{ 417 ATRACE_CALL(); 418 hwc_context_t* ctx = (hwc_context_t*)(dev); 419 420 Locker::Autolock _l(ctx->mDrawLock); 421 int ret = 0, value = 0; 422 423 /* In case of non-hybrid WFD session, we are fooling SF by 424 * piggybacking on HDMI display ID for virtual. 425 * TODO: Not needed once we have WFD client working on top 426 * of Google API's. 427 */ 428 dpy = getDpyforExternalDisplay(ctx,dpy); 429 430 ALOGD_IF(BLANK_DEBUG, "%s: %s display: %d", __FUNCTION__, 431 blank==1 ? "Blanking":"Unblanking", dpy); 432 if(blank) { 433 // free up all the overlay pipes in use 434 // when we get a blank for either display 435 // makes sure that all pipes are freed 436 ctx->mOverlay->configBegin(); 437 ctx->mOverlay->configDone(); 438 ctx->mRotMgr->clear(); 439 // If VDS is connected, do not clear WB object as it 440 // will end up detaching IOMMU. This is required 441 // to send black frame to WFD sink on power suspend. 442 // Note: With this change, we keep the WriteBack object 443 // alive on power suspend for AD use case. 444 } 445 switch(dpy) { 446 case HWC_DISPLAY_PRIMARY: 447 value = blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK; 448 if(ioctl(ctx->dpyAttr[dpy].fd, FBIOBLANK, value) < 0 ) { 449 ALOGE("%s: Failed to handle blank event(%d) for Primary!!", 450 __FUNCTION__, blank ); 451 return -1; 452 } 453 454 if(!blank) { 455 // Enable HPD here, as during bootup unblank is called 456 // when SF is completely initialized 457 ctx->mExtDisplay->setHPD(1); 458 } 459 460 ctx->dpyAttr[dpy].isActive = !blank; 461 462 if(ctx->mVirtualonExtActive) { 463 /* if mVirtualonExtActive is true, display hal will 464 * receive unblank calls for non-hybrid WFD solution 465 * since we piggyback on HDMI. 466 * TODO: Not needed once we have WFD client working on top 467 of Google API's */ 468 break; 469 } 470 case HWC_DISPLAY_VIRTUAL: 471 /* There are two ways to reach this block of code. 472 473 * Display hal has received unblank call on HWC_DISPLAY_EXTERNAL 474 and ctx->mVirtualonExtActive is true. In this case, non-hybrid 475 WFD is active. If so, getDpyforExternalDisplay will return dpy 476 as HWC_DISPLAY_VIRTUAL. 477 478 * Display hal has received unblank call on HWC_DISPLAY_PRIMARY 479 and since SF is not aware of VIRTUAL DISPLAY being handle by HWC, 480 it wont send blank / unblank events for it. We piggyback on 481 PRIMARY DISPLAY events to release mdp pipes and 482 activate/deactivate VIRTUAL DISPLAY. 483 484 * TODO: This separate case statement is not needed once we have 485 WFD client working on top of Google API's. 486 487 */ 488 489 if(ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected) { 490 if(blank and (!ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isPause)) { 491 int dpy = HWC_DISPLAY_VIRTUAL; 492 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 493 ALOGE("%s: display commit fail for virtual!", __FUNCTION__); 494 ret = -1; 495 } 496 } 497 ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = !blank; 498 } 499 break; 500 case HWC_DISPLAY_EXTERNAL: 501 if(blank) { 502 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 503 ALOGE("%s: display commit fail for external!", __FUNCTION__); 504 ret = -1; 505 } 506 } 507 ctx->dpyAttr[dpy].isActive = !blank; 508 break; 509 default: 510 return -EINVAL; 511 } 512 513 ALOGD_IF(BLANK_DEBUG, "%s: Done %s display: %d", __FUNCTION__, 514 blank ? "blanking":"unblanking", dpy); 515 return ret; 516} 517 518static void reset_panel(struct hwc_composer_device_1* dev) 519{ 520 int ret = 0; 521 hwc_context_t* ctx = (hwc_context_t*)(dev); 522 523 if (!ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive) { 524 ALOGD ("%s : Display OFF - Skip BLANK & UNBLANK", __FUNCTION__); 525 ctx->mPanelResetStatus = false; 526 return; 527 } 528 529 ALOGD("%s: calling BLANK DISPLAY", __FUNCTION__); 530 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 1); 531 if (ret < 0) { 532 ALOGE("%s: FBIOBLANK failed to BLANK: %s", __FUNCTION__, 533 strerror(errno)); 534 } 535 536 ALOGD("%s: calling UNBLANK DISPLAY and enabling vsync", __FUNCTION__); 537 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 0); 538 if (ret < 0) { 539 ALOGE("%s: FBIOBLANK failed to UNBLANK : %s", __FUNCTION__, 540 strerror(errno)); 541 } 542 hwc_vsync_control(ctx, HWC_DISPLAY_PRIMARY, 1); 543 544 ctx->mPanelResetStatus = false; 545} 546 547 548static int hwc_query(struct hwc_composer_device_1* dev, 549 int param, int* value) 550{ 551 hwc_context_t* ctx = (hwc_context_t*)(dev); 552 int supported = HWC_DISPLAY_PRIMARY_BIT; 553 554 switch (param) { 555 case HWC_BACKGROUND_LAYER_SUPPORTED: 556 // Not supported for now 557 value[0] = 0; 558 break; 559 case HWC_DISPLAY_TYPES_SUPPORTED: 560 if(ctx->mMDP.hasOverlay) { 561 supported |= HWC_DISPLAY_VIRTUAL_BIT; 562 if(!(qdutils::MDPVersion::getInstance().is8x26() || 563 qdutils::MDPVersion::getInstance().is8x16())) 564 supported |= HWC_DISPLAY_EXTERNAL_BIT; 565 } 566 value[0] = supported; 567 break; 568 case HWC_FORMAT_RB_SWAP: 569 value[0] = 1; 570 break; 571 case HWC_COLOR_FILL: 572 value[0] = 1; 573 break; 574 default: 575 return -EINVAL; 576 } 577 return 0; 578 579} 580 581 582static int hwc_set_primary(hwc_context_t *ctx, hwc_display_contents_1_t* list) { 583 ATRACE_CALL(); 584 int ret = 0; 585 const int dpy = HWC_DISPLAY_PRIMARY; 586 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive) { 587 size_t last = list->numHwLayers - 1; 588 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 589 int fd = -1; //FenceFD from the Copybit(valid in async mode) 590 bool copybitDone = false; 591 if(ctx->mCopyBit[dpy]) 592 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 593 if(list->numHwLayers > 1) 594 hwc_sync(ctx, list, dpy, fd); 595 596 // Dump the layers for primary 597 if(ctx->mHwcDebug[dpy]) 598 ctx->mHwcDebug[dpy]->dumpLayers(list); 599 600 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 601 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 602 ret = -1; 603 } 604 605 //TODO We dont check for SKIP flag on this layer because we need PAN 606 //always. Last layer is always FB 607 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 608 if(copybitDone && ctx->mMDP.version >= qdutils::MDP_V4_0) { 609 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 610 } 611 612 if(hnd) { 613 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 614 ALOGE("%s: FBUpdate draw failed", __FUNCTION__); 615 ret = -1; 616 } 617 } 618 619 int lSplit = getLeftSplit(ctx, dpy); 620 qhwc::ovutils::Dim lRoi = qhwc::ovutils::Dim( 621 ctx->listStats[dpy].lRoi.left, 622 ctx->listStats[dpy].lRoi.top, 623 ctx->listStats[dpy].lRoi.right - ctx->listStats[dpy].lRoi.left, 624 ctx->listStats[dpy].lRoi.bottom - ctx->listStats[dpy].lRoi.top); 625 626 qhwc::ovutils::Dim rRoi = qhwc::ovutils::Dim( 627 ctx->listStats[dpy].rRoi.left - lSplit, 628 ctx->listStats[dpy].rRoi.top, 629 ctx->listStats[dpy].rRoi.right - ctx->listStats[dpy].rRoi.left, 630 ctx->listStats[dpy].rRoi.bottom - ctx->listStats[dpy].rRoi.top); 631 632 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd, lRoi, rRoi)) { 633 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 634 ret = -1; 635 } 636 637 } 638 639 closeAcquireFds(list); 640 return ret; 641} 642 643static int hwc_set_external(hwc_context_t *ctx, 644 hwc_display_contents_1_t* list) 645{ 646 ATRACE_CALL(); 647 int ret = 0; 648 649 const int dpy = HWC_DISPLAY_EXTERNAL; 650 651 652 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive && 653 ctx->dpyAttr[dpy].connected && 654 !ctx->dpyAttr[dpy].isPause) { 655 size_t last = list->numHwLayers - 1; 656 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 657 int fd = -1; //FenceFD from the Copybit(valid in async mode) 658 bool copybitDone = false; 659 if(ctx->mCopyBit[dpy]) 660 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 661 662 if(list->numHwLayers > 1) 663 hwc_sync(ctx, list, dpy, fd); 664 665 // Dump the layers for external 666 if(ctx->mHwcDebug[dpy]) 667 ctx->mHwcDebug[dpy]->dumpLayers(list); 668 669 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 670 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 671 ret = -1; 672 } 673 674 int extOnlyLayerIndex = 675 ctx->listStats[dpy].extOnlyLayerIndex; 676 677 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 678 if(extOnlyLayerIndex!= -1) { 679 hwc_layer_1_t *extLayer = &list->hwLayers[extOnlyLayerIndex]; 680 hnd = (private_handle_t *)extLayer->handle; 681 } else if(copybitDone) { 682 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 683 } 684 685 if(hnd && !isYuvBuffer(hnd)) { 686 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 687 ALOGE("%s: FBUpdate::draw fail!", __FUNCTION__); 688 ret = -1; 689 } 690 } 691 692 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 693 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 694 ret = -1; 695 } 696 } 697 698 closeAcquireFds(list); 699 return ret; 700} 701 702static int hwc_set(hwc_composer_device_1 *dev, 703 size_t numDisplays, 704 hwc_display_contents_1_t** displays) 705{ 706 int ret = 0; 707 hwc_context_t* ctx = (hwc_context_t*)(dev); 708 for (int i = 0; i < (int)numDisplays; i++) { 709 hwc_display_contents_1_t* list = displays[i]; 710 int dpy = getDpyforExternalDisplay(ctx, i); 711 switch(dpy) { 712 case HWC_DISPLAY_PRIMARY: 713 ret = hwc_set_primary(ctx, list); 714 break; 715 case HWC_DISPLAY_EXTERNAL: 716 ret = hwc_set_external(ctx, list); 717 break; 718 case HWC_DISPLAY_VIRTUAL: 719 if(ctx->mHWCVirtual) 720 ret = ctx->mHWCVirtual->set(ctx, list); 721 break; 722 default: 723 ret = -EINVAL; 724 } 725 } 726 // This is only indicative of how many times SurfaceFlinger posts 727 // frames to the display. 728 CALC_FPS(); 729 MDPComp::resetIdleFallBack(); 730 ctx->mVideoTransFlag = false; 731 //Was locked at the beginning of prepare 732 ctx->mDrawLock.unlock(); 733 return ret; 734} 735 736int hwc_getDisplayConfigs(struct hwc_composer_device_1* dev, int disp, 737 uint32_t* configs, size_t* numConfigs) { 738 int ret = 0; 739 hwc_context_t* ctx = (hwc_context_t*)(dev); 740 disp = getDpyforExternalDisplay(ctx, disp); 741 //in 1.1 there is no way to choose a config, report as config id # 0 742 //This config is passed to getDisplayAttributes. Ignore for now. 743 switch(disp) { 744 case HWC_DISPLAY_PRIMARY: 745 if(*numConfigs > 0) { 746 configs[0] = 0; 747 *numConfigs = 1; 748 } 749 ret = 0; //NO_ERROR 750 break; 751 case HWC_DISPLAY_EXTERNAL: 752 case HWC_DISPLAY_VIRTUAL: 753 ret = -1; //Not connected 754 if(ctx->dpyAttr[disp].connected) { 755 ret = 0; //NO_ERROR 756 if(*numConfigs > 0) { 757 configs[0] = 0; 758 *numConfigs = 1; 759 } 760 } 761 break; 762 } 763 return ret; 764} 765 766int hwc_getDisplayAttributes(struct hwc_composer_device_1* dev, int disp, 767 uint32_t /*config*/, const uint32_t* attributes, int32_t* values) { 768 769 hwc_context_t* ctx = (hwc_context_t*)(dev); 770 disp = getDpyforExternalDisplay(ctx, disp); 771 //If hotpluggable displays(i.e, HDMI, WFD) are inactive return error 772 if( (disp != HWC_DISPLAY_PRIMARY) && !ctx->dpyAttr[disp].connected) { 773 return -1; 774 } 775 776 //From HWComposer 777 static const uint32_t DISPLAY_ATTRIBUTES[] = { 778 HWC_DISPLAY_VSYNC_PERIOD, 779 HWC_DISPLAY_WIDTH, 780 HWC_DISPLAY_HEIGHT, 781 HWC_DISPLAY_DPI_X, 782 HWC_DISPLAY_DPI_Y, 783 HWC_DISPLAY_NO_ATTRIBUTE, 784 }; 785 786 const size_t NUM_DISPLAY_ATTRIBUTES = (sizeof(DISPLAY_ATTRIBUTES) / 787 sizeof(DISPLAY_ATTRIBUTES)[0]); 788 789 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 790 switch (attributes[i]) { 791 case HWC_DISPLAY_VSYNC_PERIOD: 792 values[i] = ctx->dpyAttr[disp].vsync_period; 793 break; 794 case HWC_DISPLAY_WIDTH: 795 values[i] = ctx->dpyAttr[disp].xres; 796 ALOGD("%s disp = %d, width = %d",__FUNCTION__, disp, 797 ctx->dpyAttr[disp].xres); 798 break; 799 case HWC_DISPLAY_HEIGHT: 800 values[i] = ctx->dpyAttr[disp].yres; 801 ALOGD("%s disp = %d, height = %d",__FUNCTION__, disp, 802 ctx->dpyAttr[disp].yres); 803 break; 804 case HWC_DISPLAY_DPI_X: 805 values[i] = (int32_t) (ctx->dpyAttr[disp].xdpi*1000.0); 806 break; 807 case HWC_DISPLAY_DPI_Y: 808 values[i] = (int32_t) (ctx->dpyAttr[disp].ydpi*1000.0); 809 break; 810 default: 811 ALOGE("Unknown display attribute %d", 812 attributes[i]); 813 return -EINVAL; 814 } 815 } 816 return 0; 817} 818 819void hwc_dump(struct hwc_composer_device_1* dev, char *buff, int buff_len) 820{ 821 hwc_context_t* ctx = (hwc_context_t*)(dev); 822 Locker::Autolock _l(ctx->mDrawLock); 823 android::String8 aBuf(""); 824 dumpsys_log(aBuf, "Qualcomm HWC state:\n"); 825 dumpsys_log(aBuf, " MDPVersion=%d\n", ctx->mMDP.version); 826 dumpsys_log(aBuf, " DisplayPanel=%c\n", ctx->mMDP.panel); 827 for(int dpy = 0; dpy < HWC_NUM_DISPLAY_TYPES; dpy++) { 828 if(ctx->mMDPComp[dpy]) 829 ctx->mMDPComp[dpy]->dump(aBuf, ctx); 830 } 831 char ovDump[2048] = {'\0'}; 832 ctx->mOverlay->getDump(ovDump, 2048); 833 dumpsys_log(aBuf, ovDump); 834 ovDump[0] = '\0'; 835 ctx->mRotMgr->getDump(ovDump, 1024); 836 dumpsys_log(aBuf, ovDump); 837 ovDump[0] = '\0'; 838 if(Writeback::getDump(ovDump, 1024)) { 839 dumpsys_log(aBuf, ovDump); 840 ovDump[0] = '\0'; 841 } 842 strlcpy(buff, aBuf.string(), buff_len); 843} 844 845static int hwc_device_close(struct hw_device_t *dev) 846{ 847 if(!dev) { 848 ALOGE("%s: NULL device pointer", __FUNCTION__); 849 return -1; 850 } 851 closeContext((hwc_context_t*)dev); 852 free(dev); 853 854 return 0; 855} 856 857static int hwc_device_open(const struct hw_module_t* module, const char* name, 858 struct hw_device_t** device) 859{ 860 int status = -EINVAL; 861 862 if (!strcmp(name, HWC_HARDWARE_COMPOSER)) { 863 struct hwc_context_t *dev; 864 dev = (hwc_context_t*)malloc(sizeof(*dev)); 865 if(dev == NULL) 866 return status; 867 memset(dev, 0, sizeof(*dev)); 868 869 //Initialize hwc context 870 initContext(dev); 871 872 //Setup HWC methods 873 dev->device.common.tag = HARDWARE_DEVICE_TAG; 874 dev->device.common.version = HWC_DEVICE_API_VERSION_1_3; 875 dev->device.common.module = const_cast<hw_module_t*>(module); 876 dev->device.common.close = hwc_device_close; 877 dev->device.prepare = hwc_prepare; 878 dev->device.set = hwc_set; 879 dev->device.eventControl = hwc_eventControl; 880 dev->device.blank = hwc_blank; 881 dev->device.query = hwc_query; 882 dev->device.registerProcs = hwc_registerProcs; 883 dev->device.dump = hwc_dump; 884 dev->device.getDisplayConfigs = hwc_getDisplayConfigs; 885 dev->device.getDisplayAttributes = hwc_getDisplayAttributes; 886 *device = &dev->device.common; 887 status = 0; 888 } 889 return status; 890} 891