hwc.cpp revision 3d3705af561ebe7182b23fdc81e0b755d22b11eb
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 ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ); 285 } 286 287 if (ctx->mMDP.version < qdutils::MDP_V4_0) { 288 if(ctx->mCopyBit[dpy]) 289 ctx->mCopyBit[dpy]->prepare(ctx, list, dpy); 290 } 291 setGPUHint(ctx, list); 292 } 293 return 0; 294} 295 296static int hwc_prepare_external(hwc_composer_device_1 *dev, 297 hwc_display_contents_1_t *list) { 298 ATRACE_CALL(); 299 hwc_context_t* ctx = (hwc_context_t*)(dev); 300 const int dpy = HWC_DISPLAY_EXTERNAL; 301 302 if (LIKELY(list && list->numHwLayers > 1) && 303 ctx->dpyAttr[dpy].isActive && 304 ctx->dpyAttr[dpy].connected) { 305 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 306 if(!ctx->dpyAttr[dpy].isPause) { 307 ctx->dpyAttr[dpy].isConfiguring = false; 308 setListStats(ctx, list, dpy); 309 if(ctx->mMDPComp[dpy]->prepare(ctx, list) < 0) { 310 const int fbZ = 0; 311 ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ); 312 } 313 } else { 314 /* External Display is in Pause state. 315 * Mark all application layers as OVERLAY so that 316 * GPU will not compose. 317 */ 318 for(size_t i = 0 ;i < (size_t)(list->numHwLayers - 1); i++) { 319 hwc_layer_1_t *layer = &list->hwLayers[i]; 320 layer->compositionType = HWC_OVERLAY; 321 } 322 } 323 } 324 return 0; 325} 326 327static int hwc_prepare(hwc_composer_device_1 *dev, size_t numDisplays, 328 hwc_display_contents_1_t** displays) 329{ 330 int ret = 0; 331 hwc_context_t* ctx = (hwc_context_t*)(dev); 332 333 if (ctx->mPanelResetStatus) { 334 ALOGW("%s: panel is in bad state. reset the panel", __FUNCTION__); 335 reset_panel(dev); 336 } 337 338 //Will be unlocked at the end of set 339 ctx->mDrawLock.lock(); 340 setPaddingRound(ctx,numDisplays,displays); 341 setDMAState(ctx,numDisplays,displays); 342 setNumActiveDisplays(ctx,numDisplays,displays); 343 reset(ctx, (int)numDisplays, displays); 344 345 ctx->mOverlay->configBegin(); 346 ctx->mRotMgr->configBegin(); 347 overlay::Writeback::configBegin(); 348 349 for (int32_t i = ((int32_t)numDisplays-1); i >=0 ; i--) { 350 hwc_display_contents_1_t *list = displays[i]; 351 int dpy = getDpyforExternalDisplay(ctx, i); 352 switch(dpy) { 353 case HWC_DISPLAY_PRIMARY: 354 ret = hwc_prepare_primary(dev, list); 355 break; 356 case HWC_DISPLAY_EXTERNAL: 357 ret = hwc_prepare_external(dev, list); 358 break; 359 case HWC_DISPLAY_VIRTUAL: 360 if(ctx->mHWCVirtual) 361 ret = ctx->mHWCVirtual->prepare(dev, list); 362 break; 363 default: 364 ret = -EINVAL; 365 } 366 } 367 368 ctx->mOverlay->configDone(); 369 ctx->mRotMgr->configDone(); 370 overlay::Writeback::configDone(); 371 372 return ret; 373} 374 375static int hwc_eventControl(struct hwc_composer_device_1* dev, int dpy, 376 int event, int enable) 377{ 378 ATRACE_CALL(); 379 int ret = 0; 380 hwc_context_t* ctx = (hwc_context_t*)(dev); 381 switch(event) { 382 case HWC_EVENT_VSYNC: 383 if (ctx->vstate.enable == enable) 384 break; 385 ret = hwc_vsync_control(ctx, dpy, enable); 386 if(ret == 0) 387 ctx->vstate.enable = !!enable; 388 ALOGD_IF (VSYNC_DEBUG, "VSYNC state changed to %s", 389 (enable)?"ENABLED":"DISABLED"); 390 break; 391#ifdef QCOM_BSP 392 case HWC_EVENT_ORIENTATION: 393 if(dpy == HWC_DISPLAY_PRIMARY) { 394 Locker::Autolock _l(ctx->mDrawLock); 395 // store the primary display orientation 396 ctx->deviceOrientation = enable; 397 } 398 break; 399#endif 400 default: 401 ret = -EINVAL; 402 } 403 return ret; 404} 405 406static int hwc_blank(struct hwc_composer_device_1* dev, int dpy, int blank) 407{ 408 ATRACE_CALL(); 409 hwc_context_t* ctx = (hwc_context_t*)(dev); 410 411 Locker::Autolock _l(ctx->mDrawLock); 412 int ret = 0, value = 0; 413 414 /* In case of non-hybrid WFD session, we are fooling SF by 415 * piggybacking on HDMI display ID for virtual. 416 * TODO: Not needed once we have WFD client working on top 417 * of Google API's. 418 */ 419 dpy = getDpyforExternalDisplay(ctx,dpy); 420 421 ALOGD_IF(BLANK_DEBUG, "%s: %s display: %d", __FUNCTION__, 422 blank==1 ? "Blanking":"Unblanking", dpy); 423 if(blank) { 424 // free up all the overlay pipes in use 425 // when we get a blank for either display 426 // makes sure that all pipes are freed 427 ctx->mOverlay->configBegin(); 428 ctx->mOverlay->configDone(); 429 ctx->mRotMgr->clear(); 430 // If VDS is connected, do not clear WB object as it 431 // will end up detaching IOMMU. This is required 432 // to send black frame to WFD sink on power suspend. 433 // Note: With this change, we keep the WriteBack object 434 // alive on power suspend for AD use case. 435 } 436 switch(dpy) { 437 case HWC_DISPLAY_PRIMARY: 438 value = blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK; 439 if(ioctl(ctx->dpyAttr[dpy].fd, FBIOBLANK, value) < 0 ) { 440 ALOGE("%s: Failed to handle blank event(%d) for Primary!!", 441 __FUNCTION__, blank ); 442 return -1; 443 } 444 445 if(!blank) { 446 // Enable HPD here, as during bootup unblank is called 447 // when SF is completely initialized 448 ctx->mExtDisplay->setHPD(1); 449 } 450 451 ctx->dpyAttr[dpy].isActive = !blank; 452 453 if(ctx->mVirtualonExtActive) { 454 /* if mVirtualonExtActive is true, display hal will 455 * receive unblank calls for non-hybrid WFD solution 456 * since we piggyback on HDMI. 457 * TODO: Not needed once we have WFD client working on top 458 of Google API's */ 459 break; 460 } 461 case HWC_DISPLAY_VIRTUAL: 462 /* There are two ways to reach this block of code. 463 464 * Display hal has received unblank call on HWC_DISPLAY_EXTERNAL 465 and ctx->mVirtualonExtActive is true. In this case, non-hybrid 466 WFD is active. If so, getDpyforExternalDisplay will return dpy 467 as HWC_DISPLAY_VIRTUAL. 468 469 * Display hal has received unblank call on HWC_DISPLAY_PRIMARY 470 and since SF is not aware of VIRTUAL DISPLAY being handle by HWC, 471 it wont send blank / unblank events for it. We piggyback on 472 PRIMARY DISPLAY events to release mdp pipes and 473 activate/deactivate VIRTUAL DISPLAY. 474 475 * TODO: This separate case statement is not needed once we have 476 WFD client working on top of Google API's. 477 478 */ 479 480 if(ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected) { 481 if(blank and (!ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isPause)) { 482 int dpy = HWC_DISPLAY_VIRTUAL; 483 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 484 ALOGE("%s: display commit fail for virtual!", __FUNCTION__); 485 ret = -1; 486 } 487 } 488 ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = !blank; 489 } 490 break; 491 case HWC_DISPLAY_EXTERNAL: 492 if(blank) { 493 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 494 ALOGE("%s: display commit fail for external!", __FUNCTION__); 495 ret = -1; 496 } 497 } 498 ctx->dpyAttr[dpy].isActive = !blank; 499 break; 500 default: 501 return -EINVAL; 502 } 503 504 ALOGD_IF(BLANK_DEBUG, "%s: Done %s display: %d", __FUNCTION__, 505 blank ? "blanking":"unblanking", dpy); 506 return ret; 507} 508 509static void reset_panel(struct hwc_composer_device_1* dev) 510{ 511 int ret = 0; 512 hwc_context_t* ctx = (hwc_context_t*)(dev); 513 514 if (!ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive) { 515 ALOGD ("%s : Display OFF - Skip BLANK & UNBLANK", __FUNCTION__); 516 ctx->mPanelResetStatus = false; 517 return; 518 } 519 520 ALOGD("%s: calling BLANK DISPLAY", __FUNCTION__); 521 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 1); 522 if (ret < 0) { 523 ALOGE("%s: FBIOBLANK failed to BLANK: %s", __FUNCTION__, 524 strerror(errno)); 525 } 526 527 ALOGD("%s: calling UNBLANK DISPLAY and enabling vsync", __FUNCTION__); 528 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 0); 529 if (ret < 0) { 530 ALOGE("%s: FBIOBLANK failed to UNBLANK : %s", __FUNCTION__, 531 strerror(errno)); 532 } 533 hwc_vsync_control(ctx, HWC_DISPLAY_PRIMARY, 1); 534 535 ctx->mPanelResetStatus = false; 536} 537 538 539static int hwc_query(struct hwc_composer_device_1* dev, 540 int param, int* value) 541{ 542 hwc_context_t* ctx = (hwc_context_t*)(dev); 543 int supported = HWC_DISPLAY_PRIMARY_BIT; 544 545 switch (param) { 546 case HWC_BACKGROUND_LAYER_SUPPORTED: 547 // Not supported for now 548 value[0] = 0; 549 break; 550 case HWC_DISPLAY_TYPES_SUPPORTED: 551 if(ctx->mMDP.hasOverlay) { 552 supported |= HWC_DISPLAY_VIRTUAL_BIT; 553 if(!(qdutils::MDPVersion::getInstance().is8x26() || 554 qdutils::MDPVersion::getInstance().is8x16())) 555 supported |= HWC_DISPLAY_EXTERNAL_BIT; 556 } 557 value[0] = supported; 558 break; 559 case HWC_FORMAT_RB_SWAP: 560 value[0] = 1; 561 break; 562 case HWC_COLOR_FILL: 563 value[0] = 1; 564 break; 565 default: 566 return -EINVAL; 567 } 568 return 0; 569 570} 571 572 573static int hwc_set_primary(hwc_context_t *ctx, hwc_display_contents_1_t* list) { 574 ATRACE_CALL(); 575 int ret = 0; 576 const int dpy = HWC_DISPLAY_PRIMARY; 577 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive) { 578 size_t last = list->numHwLayers - 1; 579 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 580 int fd = -1; //FenceFD from the Copybit(valid in async mode) 581 bool copybitDone = false; 582 if(ctx->mCopyBit[dpy]) 583 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 584 if(list->numHwLayers > 1) 585 hwc_sync(ctx, list, dpy, fd); 586 587 // Dump the layers for primary 588 if(ctx->mHwcDebug[dpy]) 589 ctx->mHwcDebug[dpy]->dumpLayers(list); 590 591 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 592 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 593 ret = -1; 594 } 595 596 //TODO We dont check for SKIP flag on this layer because we need PAN 597 //always. Last layer is always FB 598 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 599 if(copybitDone && ctx->mMDP.version >= qdutils::MDP_V4_0) { 600 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 601 } 602 603 if(hnd) { 604 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 605 ALOGE("%s: FBUpdate draw failed", __FUNCTION__); 606 ret = -1; 607 } 608 } 609 610 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd, 611 ctx->listStats[dpy].roi)) { 612 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 613 ret = -1; 614 } 615 616 } 617 618 closeAcquireFds(list); 619 return ret; 620} 621 622static int hwc_set_external(hwc_context_t *ctx, 623 hwc_display_contents_1_t* list) 624{ 625 ATRACE_CALL(); 626 int ret = 0; 627 628 const int dpy = HWC_DISPLAY_EXTERNAL; 629 630 631 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive && 632 ctx->dpyAttr[dpy].connected && 633 !ctx->dpyAttr[dpy].isPause) { 634 size_t last = list->numHwLayers - 1; 635 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 636 int fd = -1; //FenceFD from the Copybit(valid in async mode) 637 bool copybitDone = false; 638 if(ctx->mCopyBit[dpy]) 639 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 640 641 if(list->numHwLayers > 1) 642 hwc_sync(ctx, list, dpy, fd); 643 644 // Dump the layers for external 645 if(ctx->mHwcDebug[dpy]) 646 ctx->mHwcDebug[dpy]->dumpLayers(list); 647 648 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 649 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 650 ret = -1; 651 } 652 653 int extOnlyLayerIndex = 654 ctx->listStats[dpy].extOnlyLayerIndex; 655 656 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 657 if(extOnlyLayerIndex!= -1) { 658 hwc_layer_1_t *extLayer = &list->hwLayers[extOnlyLayerIndex]; 659 hnd = (private_handle_t *)extLayer->handle; 660 } else if(copybitDone) { 661 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 662 } 663 664 if(hnd && !isYuvBuffer(hnd)) { 665 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 666 ALOGE("%s: FBUpdate::draw fail!", __FUNCTION__); 667 ret = -1; 668 } 669 } 670 671 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 672 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 673 ret = -1; 674 } 675 } 676 677 closeAcquireFds(list); 678 return ret; 679} 680 681static int hwc_set(hwc_composer_device_1 *dev, 682 size_t numDisplays, 683 hwc_display_contents_1_t** displays) 684{ 685 int ret = 0; 686 hwc_context_t* ctx = (hwc_context_t*)(dev); 687 for (int i = 0; i < (int)numDisplays; i++) { 688 hwc_display_contents_1_t* list = displays[i]; 689 int dpy = getDpyforExternalDisplay(ctx, i); 690 switch(dpy) { 691 case HWC_DISPLAY_PRIMARY: 692 ret = hwc_set_primary(ctx, list); 693 break; 694 case HWC_DISPLAY_EXTERNAL: 695 ret = hwc_set_external(ctx, list); 696 break; 697 case HWC_DISPLAY_VIRTUAL: 698 if(ctx->mHWCVirtual) 699 ret = ctx->mHWCVirtual->set(ctx, list); 700 break; 701 default: 702 ret = -EINVAL; 703 } 704 } 705 // This is only indicative of how many times SurfaceFlinger posts 706 // frames to the display. 707 CALC_FPS(); 708 MDPComp::resetIdleFallBack(); 709 ctx->mVideoTransFlag = false; 710 //Was locked at the beginning of prepare 711 ctx->mDrawLock.unlock(); 712 return ret; 713} 714 715int hwc_getDisplayConfigs(struct hwc_composer_device_1* dev, int disp, 716 uint32_t* configs, size_t* numConfigs) { 717 int ret = 0; 718 hwc_context_t* ctx = (hwc_context_t*)(dev); 719 disp = getDpyforExternalDisplay(ctx, disp); 720 //in 1.1 there is no way to choose a config, report as config id # 0 721 //This config is passed to getDisplayAttributes. Ignore for now. 722 switch(disp) { 723 case HWC_DISPLAY_PRIMARY: 724 if(*numConfigs > 0) { 725 configs[0] = 0; 726 *numConfigs = 1; 727 } 728 ret = 0; //NO_ERROR 729 break; 730 case HWC_DISPLAY_EXTERNAL: 731 case HWC_DISPLAY_VIRTUAL: 732 ret = -1; //Not connected 733 if(ctx->dpyAttr[disp].connected) { 734 ret = 0; //NO_ERROR 735 if(*numConfigs > 0) { 736 configs[0] = 0; 737 *numConfigs = 1; 738 } 739 } 740 break; 741 } 742 return ret; 743} 744 745int hwc_getDisplayAttributes(struct hwc_composer_device_1* dev, int disp, 746 uint32_t /*config*/, const uint32_t* attributes, int32_t* values) { 747 748 hwc_context_t* ctx = (hwc_context_t*)(dev); 749 disp = getDpyforExternalDisplay(ctx, disp); 750 //If hotpluggable displays(i.e, HDMI, WFD) are inactive return error 751 if( (disp != HWC_DISPLAY_PRIMARY) && !ctx->dpyAttr[disp].connected) { 752 return -1; 753 } 754 755 //From HWComposer 756 static const uint32_t DISPLAY_ATTRIBUTES[] = { 757 HWC_DISPLAY_VSYNC_PERIOD, 758 HWC_DISPLAY_WIDTH, 759 HWC_DISPLAY_HEIGHT, 760 HWC_DISPLAY_DPI_X, 761 HWC_DISPLAY_DPI_Y, 762 HWC_DISPLAY_NO_ATTRIBUTE, 763 }; 764 765 const size_t NUM_DISPLAY_ATTRIBUTES = (sizeof(DISPLAY_ATTRIBUTES) / 766 sizeof(DISPLAY_ATTRIBUTES)[0]); 767 768 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 769 switch (attributes[i]) { 770 case HWC_DISPLAY_VSYNC_PERIOD: 771 values[i] = ctx->dpyAttr[disp].vsync_period; 772 break; 773 case HWC_DISPLAY_WIDTH: 774 values[i] = ctx->dpyAttr[disp].xres; 775 ALOGD("%s disp = %d, width = %d",__FUNCTION__, disp, 776 ctx->dpyAttr[disp].xres); 777 break; 778 case HWC_DISPLAY_HEIGHT: 779 values[i] = ctx->dpyAttr[disp].yres; 780 ALOGD("%s disp = %d, height = %d",__FUNCTION__, disp, 781 ctx->dpyAttr[disp].yres); 782 break; 783 case HWC_DISPLAY_DPI_X: 784 values[i] = (int32_t) (ctx->dpyAttr[disp].xdpi*1000.0); 785 break; 786 case HWC_DISPLAY_DPI_Y: 787 values[i] = (int32_t) (ctx->dpyAttr[disp].ydpi*1000.0); 788 break; 789 default: 790 ALOGE("Unknown display attribute %d", 791 attributes[i]); 792 return -EINVAL; 793 } 794 } 795 return 0; 796} 797 798void hwc_dump(struct hwc_composer_device_1* dev, char *buff, int buff_len) 799{ 800 hwc_context_t* ctx = (hwc_context_t*)(dev); 801 Locker::Autolock _l(ctx->mDrawLock); 802 android::String8 aBuf(""); 803 dumpsys_log(aBuf, "Qualcomm HWC state:\n"); 804 dumpsys_log(aBuf, " MDPVersion=%d\n", ctx->mMDP.version); 805 dumpsys_log(aBuf, " DisplayPanel=%c\n", ctx->mMDP.panel); 806 for(int dpy = 0; dpy < HWC_NUM_DISPLAY_TYPES; dpy++) { 807 if(ctx->mMDPComp[dpy]) 808 ctx->mMDPComp[dpy]->dump(aBuf); 809 } 810 char ovDump[2048] = {'\0'}; 811 ctx->mOverlay->getDump(ovDump, 2048); 812 dumpsys_log(aBuf, ovDump); 813 ovDump[0] = '\0'; 814 ctx->mRotMgr->getDump(ovDump, 1024); 815 dumpsys_log(aBuf, ovDump); 816 ovDump[0] = '\0'; 817 if(Writeback::getDump(ovDump, 1024)) { 818 dumpsys_log(aBuf, ovDump); 819 ovDump[0] = '\0'; 820 } 821 strlcpy(buff, aBuf.string(), buff_len); 822} 823 824static int hwc_device_close(struct hw_device_t *dev) 825{ 826 if(!dev) { 827 ALOGE("%s: NULL device pointer", __FUNCTION__); 828 return -1; 829 } 830 closeContext((hwc_context_t*)dev); 831 free(dev); 832 833 return 0; 834} 835 836static int hwc_device_open(const struct hw_module_t* module, const char* name, 837 struct hw_device_t** device) 838{ 839 int status = -EINVAL; 840 841 if (!strcmp(name, HWC_HARDWARE_COMPOSER)) { 842 struct hwc_context_t *dev; 843 dev = (hwc_context_t*)malloc(sizeof(*dev)); 844 if(dev == NULL) 845 return status; 846 memset(dev, 0, sizeof(*dev)); 847 848 //Initialize hwc context 849 initContext(dev); 850 851 //Setup HWC methods 852 dev->device.common.tag = HARDWARE_DEVICE_TAG; 853 dev->device.common.version = HWC_DEVICE_API_VERSION_1_3; 854 dev->device.common.module = const_cast<hw_module_t*>(module); 855 dev->device.common.close = hwc_device_close; 856 dev->device.prepare = hwc_prepare; 857 dev->device.set = hwc_set; 858 dev->device.eventControl = hwc_eventControl; 859 dev->device.blank = hwc_blank; 860 dev->device.query = hwc_query; 861 dev->device.registerProcs = hwc_registerProcs; 862 dev->device.dump = hwc_dump; 863 dev->device.getDisplayConfigs = hwc_getDisplayConfigs; 864 dev->device.getDisplayAttributes = hwc_getDisplayAttributes; 865 *device = &dev->device.common; 866 status = 0; 867 } 868 return status; 869} 870