hwc.cpp revision 7c8e00ad467f166f17072604822e4d5517f02890
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 } 212 213 } 214 215 if(ctx->mFBUpdate[i]) 216 ctx->mFBUpdate[i]->reset(); 217 if(ctx->mCopyBit[i]) 218 ctx->mCopyBit[i]->reset(); 219 if(ctx->mLayerRotMap[i]) 220 ctx->mLayerRotMap[i]->reset(); 221 } 222 223 ctx->mAD->reset(); 224 MDPComp::reset(); 225 if(ctx->mHWCVirtual) 226 ctx->mHWCVirtual->destroy(ctx, numDisplays, displays); 227} 228 229bool isEqual(float f1, float f2) { 230 return ((int)(f1*100) == (int)(f2*100)) ? true : false; 231} 232 233static void scaleDisplayFrame(hwc_context_t *ctx, int dpy, 234 hwc_display_contents_1_t *list) { 235 uint32_t origXres = ctx->dpyAttr[dpy].xres_orig; 236 uint32_t origYres = ctx->dpyAttr[dpy].yres_orig; 237 uint32_t fakeXres = ctx->dpyAttr[dpy].xres; 238 uint32_t fakeYres = ctx->dpyAttr[dpy].yres; 239 float xresRatio = (float)origXres / (float)fakeXres; 240 float yresRatio = (float)origYres / (float)fakeYres; 241 for (size_t i = 0; i < list->numHwLayers; i++) { 242 hwc_layer_1_t *layer = &list->hwLayers[i]; 243 hwc_rect_t& displayFrame = layer->displayFrame; 244 hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf); 245 uint32_t layerWidth = displayFrame.right - displayFrame.left; 246 uint32_t layerHeight = displayFrame.bottom - displayFrame.top; 247 uint32_t sourceWidth = sourceCrop.right - sourceCrop.left; 248 uint32_t sourceHeight = sourceCrop.bottom - sourceCrop.top; 249 250 if (isEqual(((float)layerWidth / (float)sourceWidth), xresRatio) && 251 isEqual(((float)layerHeight / (float)sourceHeight), yresRatio)) 252 break; 253 254 displayFrame.left = (int)(xresRatio * (float)displayFrame.left); 255 displayFrame.top = (int)(yresRatio * (float)displayFrame.top); 256 displayFrame.right = (int)((float)displayFrame.left + 257 (float)layerWidth * xresRatio); 258 displayFrame.bottom = (int)((float)displayFrame.top + 259 (float)layerHeight * yresRatio); 260 } 261} 262 263static bool optimizePrepare(hwc_context_t *ctx, int numDisplays, 264 hwc_display_contents_1_t** displays) { 265 266 /* Do not re-program H/W, if frame geometry has not changed. 267 * But honor these exceptions: 268 * 1. Padding round 269 * 2. Idle fallback 270 * 3. Overlay is not configured 271 * 4. External/Virtual display is in Configure state 272 * 5. External/Virtual is Paused OR not connected/active 273 * 6. Non-Overlay device 274 */ 275 276 if (ctx->isPaddingRound || MDPComp::isIdleFallback() || 277 !ctx->mOverlay->isConfigured() || isSecondaryConfiguring(ctx) || 278 ctx->mMDP.version < qdutils::MDP_V4_0) { 279 return false; 280 } 281 282 bool isOptimized = false; 283 for (uint32_t i = 0; i < numDisplays; i++) { 284 hwc_display_contents_1_t *list = displays[i]; 285 286 if (list) { 287 if (list->flags & HWC_GEOMETRY_CHANGED) { 288 return false; 289 } 290 int dpy = getDpyforExternalDisplay(ctx, i); 291 if (dpy && (ctx->dpyAttr[dpy].isPause || 292 !ctx->dpyAttr[dpy].connected || 293 !ctx->dpyAttr[dpy].isActive)) { 294 return false; 295 } 296 // Set layer composition type as per last frame 297 ctx->mMDPComp[dpy]->setMDPCompLayerFlags(ctx, list); 298 isOptimized = true; 299 } 300 } 301 302 return isOptimized; 303} 304 305static int hwc_prepare_primary(hwc_composer_device_1 *dev, 306 hwc_display_contents_1_t *list) { 307 ATRACE_CALL(); 308 hwc_context_t* ctx = (hwc_context_t*)(dev); 309 const int dpy = HWC_DISPLAY_PRIMARY; 310 bool fbComp = false; 311 if (LIKELY(list && list->numHwLayers > 1) && 312 ctx->dpyAttr[dpy].isActive) { 313 314 if (ctx->dpyAttr[dpy].customFBSize) 315 scaleDisplayFrame(ctx, dpy, list); 316 317 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 318 setListStats(ctx, list, dpy); 319 320 fbComp = (ctx->mMDPComp[dpy]->prepare(ctx, list) < 0); 321 322 if (fbComp) { 323 const int fbZ = 0; 324 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) { 325 ctx->mOverlay->clear(dpy); 326 ctx->mLayerRotMap[dpy]->clear(); 327 } 328 } 329 330 if (ctx->mMDP.version < qdutils::MDP_V4_0) { 331 if(ctx->mCopyBit[dpy]) 332 ctx->mCopyBit[dpy]->prepare(ctx, list, dpy); 333 } 334 setGPUHint(ctx, list); 335 } 336 return 0; 337} 338 339static int hwc_prepare_external(hwc_composer_device_1 *dev, 340 hwc_display_contents_1_t *list) { 341 ATRACE_CALL(); 342 hwc_context_t* ctx = (hwc_context_t*)(dev); 343 const int dpy = HWC_DISPLAY_EXTERNAL; 344 345 if (LIKELY(list && list->numHwLayers > 1) && 346 ctx->dpyAttr[dpy].isActive && 347 ctx->dpyAttr[dpy].connected) { 348 reset_layer_prop(ctx, dpy, (int)list->numHwLayers - 1); 349 if(!ctx->dpyAttr[dpy].isPause) { 350 ctx->dpyAttr[dpy].isConfiguring = false; 351 setListStats(ctx, list, dpy); 352 if(ctx->mMDPComp[dpy]->prepare(ctx, list) < 0) { 353 const int fbZ = 0; 354 if(not ctx->mFBUpdate[dpy]->prepareAndValidate(ctx, list, fbZ)) 355 { 356 ctx->mOverlay->clear(dpy); 357 ctx->mLayerRotMap[dpy]->clear(); 358 } 359 } 360 } else { 361 /* External Display is in Pause state. 362 * Mark all application layers as OVERLAY so that 363 * GPU will not compose. 364 */ 365 for(size_t i = 0 ;i < (size_t)(list->numHwLayers - 1); i++) { 366 hwc_layer_1_t *layer = &list->hwLayers[i]; 367 layer->compositionType = HWC_OVERLAY; 368 } 369 } 370 } 371 return 0; 372} 373 374static int hwc_prepare(hwc_composer_device_1 *dev, size_t numDisplays, 375 hwc_display_contents_1_t** displays) 376{ 377 int ret = 0; 378 hwc_context_t* ctx = (hwc_context_t*)(dev); 379 380 if (ctx->mPanelResetStatus) { 381 ALOGW("%s: panel is in bad state. reset the panel", __FUNCTION__); 382 reset_panel(dev); 383 } 384 385 //Will be unlocked at the end of set 386 ctx->mDrawLock.lock(); 387 setPaddingRound(ctx,numDisplays,displays); 388 setDMAState(ctx,numDisplays,displays); 389 setNumActiveDisplays(ctx,numDisplays,displays); 390 391 if (optimizePrepare(ctx, numDisplays, displays)) { 392 // Do not re-program H/W, if it is not needed 393 return ret; 394 } 395 396 reset(ctx, (int)numDisplays, displays); 397 398 ctx->mOverlay->configBegin(); 399 ctx->mRotMgr->configBegin(); 400 overlay::Writeback::configBegin(); 401 402 for (int32_t i = ((int32_t)numDisplays-1); i >=0 ; i--) { 403 hwc_display_contents_1_t *list = displays[i]; 404 int dpy = getDpyforExternalDisplay(ctx, i); 405 switch(dpy) { 406 case HWC_DISPLAY_PRIMARY: 407 ret = hwc_prepare_primary(dev, list); 408 break; 409 case HWC_DISPLAY_EXTERNAL: 410 ret = hwc_prepare_external(dev, list); 411 break; 412 case HWC_DISPLAY_VIRTUAL: 413 if(ctx->mHWCVirtual) 414 ret = ctx->mHWCVirtual->prepare(dev, list); 415 break; 416 default: 417 ret = -EINVAL; 418 } 419 } 420 421 ctx->mOverlay->configDone(); 422 ctx->mRotMgr->configDone(); 423 overlay::Writeback::configDone(); 424 425 return ret; 426} 427 428static int hwc_eventControl(struct hwc_composer_device_1* dev, int dpy, 429 int event, int enable) 430{ 431 ATRACE_CALL(); 432 int ret = 0; 433 hwc_context_t* ctx = (hwc_context_t*)(dev); 434 switch(event) { 435 case HWC_EVENT_VSYNC: 436 if (ctx->vstate.enable == enable) 437 break; 438 ret = hwc_vsync_control(ctx, dpy, enable); 439 if(ret == 0) 440 ctx->vstate.enable = !!enable; 441 ALOGD_IF (VSYNC_DEBUG, "VSYNC state changed to %s", 442 (enable)?"ENABLED":"DISABLED"); 443 break; 444#ifdef QCOM_BSP 445 case HWC_EVENT_ORIENTATION: 446 if(dpy == HWC_DISPLAY_PRIMARY) { 447 Locker::Autolock _l(ctx->mDrawLock); 448 // store the primary display orientation 449 ctx->deviceOrientation = enable; 450 } 451 break; 452#endif 453 default: 454 ret = -EINVAL; 455 } 456 return ret; 457} 458 459static int hwc_blank(struct hwc_composer_device_1* dev, int dpy, int blank) 460{ 461 ATRACE_CALL(); 462 hwc_context_t* ctx = (hwc_context_t*)(dev); 463 464 Locker::Autolock _l(ctx->mDrawLock); 465 int ret = 0, value = 0; 466 467 /* In case of non-hybrid WFD session, we are fooling SF by 468 * piggybacking on HDMI display ID for virtual. 469 * TODO: Not needed once we have WFD client working on top 470 * of Google API's. 471 */ 472 dpy = getDpyforExternalDisplay(ctx,dpy); 473 474 ALOGD_IF(BLANK_DEBUG, "%s: %s display: %d", __FUNCTION__, 475 blank==1 ? "Blanking":"Unblanking", dpy); 476 if(blank) { 477 // free up all the overlay pipes in use 478 // when we get a blank for either display 479 // makes sure that all pipes are freed 480 ctx->mOverlay->configBegin(); 481 ctx->mOverlay->configDone(); 482 ctx->mRotMgr->clear(); 483 // If VDS is connected, do not clear WB object as it 484 // will end up detaching IOMMU. This is required 485 // to send black frame to WFD sink on power suspend. 486 // Note: With this change, we keep the WriteBack object 487 // alive on power suspend for AD use case. 488 } 489 switch(dpy) { 490 case HWC_DISPLAY_PRIMARY: 491 value = blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK; 492 if(ioctl(ctx->dpyAttr[dpy].fd, FBIOBLANK, value) < 0 ) { 493 ALOGE("%s: Failed to handle blank event(%d) for Primary!!", 494 __FUNCTION__, blank ); 495 return -1; 496 } 497 498 if(!blank) { 499 // Enable HPD here, as during bootup unblank is called 500 // when SF is completely initialized 501 ctx->mExtDisplay->setHPD(1); 502 } 503 504 ctx->dpyAttr[dpy].isActive = !blank; 505 506 if(ctx->mVirtualonExtActive) { 507 /* if mVirtualonExtActive is true, display hal will 508 * receive unblank calls for non-hybrid WFD solution 509 * since we piggyback on HDMI. 510 * TODO: Not needed once we have WFD client working on top 511 of Google API's */ 512 break; 513 } 514 case HWC_DISPLAY_VIRTUAL: 515 /* There are two ways to reach this block of code. 516 517 * Display hal has received unblank call on HWC_DISPLAY_EXTERNAL 518 and ctx->mVirtualonExtActive is true. In this case, non-hybrid 519 WFD is active. If so, getDpyforExternalDisplay will return dpy 520 as HWC_DISPLAY_VIRTUAL. 521 522 * Display hal has received unblank call on HWC_DISPLAY_PRIMARY 523 and since SF is not aware of VIRTUAL DISPLAY being handle by HWC, 524 it wont send blank / unblank events for it. We piggyback on 525 PRIMARY DISPLAY events to release mdp pipes and 526 activate/deactivate VIRTUAL DISPLAY. 527 528 * TODO: This separate case statement is not needed once we have 529 WFD client working on top of Google API's. 530 531 */ 532 533 if(ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].connected) { 534 if(blank and (!ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isPause)) { 535 int dpy = HWC_DISPLAY_VIRTUAL; 536 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 537 ALOGE("%s: display commit fail for virtual!", __FUNCTION__); 538 ret = -1; 539 } 540 } 541 ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isActive = !blank; 542 } 543 break; 544 case HWC_DISPLAY_EXTERNAL: 545 if(blank) { 546 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 547 ALOGE("%s: display commit fail for external!", __FUNCTION__); 548 ret = -1; 549 } 550 } 551 ctx->dpyAttr[dpy].isActive = !blank; 552 break; 553 default: 554 return -EINVAL; 555 } 556 557 ALOGD_IF(BLANK_DEBUG, "%s: Done %s display: %d", __FUNCTION__, 558 blank ? "blanking":"unblanking", dpy); 559 return ret; 560} 561 562static void reset_panel(struct hwc_composer_device_1* dev) 563{ 564 int ret = 0; 565 hwc_context_t* ctx = (hwc_context_t*)(dev); 566 567 if (!ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive) { 568 ALOGD ("%s : Display OFF - Skip BLANK & UNBLANK", __FUNCTION__); 569 ctx->mPanelResetStatus = false; 570 return; 571 } 572 573 ALOGD("%s: calling BLANK DISPLAY", __FUNCTION__); 574 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 1); 575 if (ret < 0) { 576 ALOGE("%s: FBIOBLANK failed to BLANK: %s", __FUNCTION__, 577 strerror(errno)); 578 } 579 580 ALOGD("%s: calling UNBLANK DISPLAY and enabling vsync", __FUNCTION__); 581 ret = hwc_blank(dev, HWC_DISPLAY_PRIMARY, 0); 582 if (ret < 0) { 583 ALOGE("%s: FBIOBLANK failed to UNBLANK : %s", __FUNCTION__, 584 strerror(errno)); 585 } 586 hwc_vsync_control(ctx, HWC_DISPLAY_PRIMARY, 1); 587 588 ctx->mPanelResetStatus = false; 589} 590 591 592static int hwc_query(struct hwc_composer_device_1* dev, 593 int param, int* value) 594{ 595 hwc_context_t* ctx = (hwc_context_t*)(dev); 596 int supported = HWC_DISPLAY_PRIMARY_BIT; 597 598 switch (param) { 599 case HWC_BACKGROUND_LAYER_SUPPORTED: 600 // Not supported for now 601 value[0] = 0; 602 break; 603 case HWC_DISPLAY_TYPES_SUPPORTED: 604 if(ctx->mMDP.hasOverlay) { 605 supported |= HWC_DISPLAY_VIRTUAL_BIT; 606 if(!(qdutils::MDPVersion::getInstance().is8x26() || 607 qdutils::MDPVersion::getInstance().is8x16())) 608 supported |= HWC_DISPLAY_EXTERNAL_BIT; 609 } 610 value[0] = supported; 611 break; 612 case HWC_FORMAT_RB_SWAP: 613 value[0] = 1; 614 break; 615 case HWC_COLOR_FILL: 616 value[0] = 1; 617 break; 618 default: 619 return -EINVAL; 620 } 621 return 0; 622 623} 624 625 626static int hwc_set_primary(hwc_context_t *ctx, hwc_display_contents_1_t* list) { 627 ATRACE_CALL(); 628 int ret = 0; 629 const int dpy = HWC_DISPLAY_PRIMARY; 630 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive) { 631 size_t last = list->numHwLayers - 1; 632 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 633 int fd = -1; //FenceFD from the Copybit(valid in async mode) 634 bool copybitDone = false; 635 if(ctx->mCopyBit[dpy]) 636 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 637 if(list->numHwLayers > 1) 638 hwc_sync(ctx, list, dpy, fd); 639 640 // Dump the layers for primary 641 if(ctx->mHwcDebug[dpy]) 642 ctx->mHwcDebug[dpy]->dumpLayers(list); 643 644 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 645 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 646 ret = -1; 647 } 648 649 //TODO We dont check for SKIP flag on this layer because we need PAN 650 //always. Last layer is always FB 651 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 652 if(copybitDone && ctx->mMDP.version >= qdutils::MDP_V4_0) { 653 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 654 } 655 656 if(hnd) { 657 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 658 ALOGE("%s: FBUpdate draw failed", __FUNCTION__); 659 ret = -1; 660 } 661 } 662 663 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd, 664 ctx->listStats[dpy].roi)) { 665 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 666 ret = -1; 667 } 668 669 } 670 671 closeAcquireFds(list); 672 return ret; 673} 674 675static int hwc_set_external(hwc_context_t *ctx, 676 hwc_display_contents_1_t* list) 677{ 678 ATRACE_CALL(); 679 int ret = 0; 680 681 const int dpy = HWC_DISPLAY_EXTERNAL; 682 683 684 if (LIKELY(list) && ctx->dpyAttr[dpy].isActive && 685 ctx->dpyAttr[dpy].connected && 686 !ctx->dpyAttr[dpy].isPause) { 687 size_t last = list->numHwLayers - 1; 688 hwc_layer_1_t *fbLayer = &list->hwLayers[last]; 689 int fd = -1; //FenceFD from the Copybit(valid in async mode) 690 bool copybitDone = false; 691 if(ctx->mCopyBit[dpy]) 692 copybitDone = ctx->mCopyBit[dpy]->draw(ctx, list, dpy, &fd); 693 694 if(list->numHwLayers > 1) 695 hwc_sync(ctx, list, dpy, fd); 696 697 // Dump the layers for external 698 if(ctx->mHwcDebug[dpy]) 699 ctx->mHwcDebug[dpy]->dumpLayers(list); 700 701 if (!ctx->mMDPComp[dpy]->draw(ctx, list)) { 702 ALOGE("%s: MDPComp draw failed", __FUNCTION__); 703 ret = -1; 704 } 705 706 int extOnlyLayerIndex = 707 ctx->listStats[dpy].extOnlyLayerIndex; 708 709 private_handle_t *hnd = (private_handle_t *)fbLayer->handle; 710 if(extOnlyLayerIndex!= -1) { 711 hwc_layer_1_t *extLayer = &list->hwLayers[extOnlyLayerIndex]; 712 hnd = (private_handle_t *)extLayer->handle; 713 } else if(copybitDone) { 714 hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer(); 715 } 716 717 if(hnd && !isYuvBuffer(hnd)) { 718 if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) { 719 ALOGE("%s: FBUpdate::draw fail!", __FUNCTION__); 720 ret = -1; 721 } 722 } 723 724 if(!Overlay::displayCommit(ctx->dpyAttr[dpy].fd)) { 725 ALOGE("%s: display commit fail for %d dpy!", __FUNCTION__, dpy); 726 ret = -1; 727 } 728 } 729 730 closeAcquireFds(list); 731 return ret; 732} 733 734static int hwc_set(hwc_composer_device_1 *dev, 735 size_t numDisplays, 736 hwc_display_contents_1_t** displays) 737{ 738 int ret = 0; 739 hwc_context_t* ctx = (hwc_context_t*)(dev); 740 for (int i = 0; i < (int)numDisplays; i++) { 741 hwc_display_contents_1_t* list = displays[i]; 742 int dpy = getDpyforExternalDisplay(ctx, i); 743 switch(dpy) { 744 case HWC_DISPLAY_PRIMARY: 745 ret = hwc_set_primary(ctx, list); 746 break; 747 case HWC_DISPLAY_EXTERNAL: 748 ret = hwc_set_external(ctx, list); 749 break; 750 case HWC_DISPLAY_VIRTUAL: 751 if(ctx->mHWCVirtual) 752 ret = ctx->mHWCVirtual->set(ctx, list); 753 break; 754 default: 755 ret = -EINVAL; 756 } 757 } 758 // This is only indicative of how many times SurfaceFlinger posts 759 // frames to the display. 760 CALC_FPS(); 761 MDPComp::resetIdleFallBack(); 762 ctx->mVideoTransFlag = false; 763 //Was locked at the beginning of prepare 764 ctx->mDrawLock.unlock(); 765 return ret; 766} 767 768int hwc_getDisplayConfigs(struct hwc_composer_device_1* dev, int disp, 769 uint32_t* configs, size_t* numConfigs) { 770 int ret = 0; 771 hwc_context_t* ctx = (hwc_context_t*)(dev); 772 disp = getDpyforExternalDisplay(ctx, disp); 773 //in 1.1 there is no way to choose a config, report as config id # 0 774 //This config is passed to getDisplayAttributes. Ignore for now. 775 switch(disp) { 776 case HWC_DISPLAY_PRIMARY: 777 if(*numConfigs > 0) { 778 configs[0] = 0; 779 *numConfigs = 1; 780 } 781 ret = 0; //NO_ERROR 782 break; 783 case HWC_DISPLAY_EXTERNAL: 784 case HWC_DISPLAY_VIRTUAL: 785 ret = -1; //Not connected 786 if(ctx->dpyAttr[disp].connected) { 787 ret = 0; //NO_ERROR 788 if(*numConfigs > 0) { 789 configs[0] = 0; 790 *numConfigs = 1; 791 } 792 } 793 break; 794 } 795 return ret; 796} 797 798int hwc_getDisplayAttributes(struct hwc_composer_device_1* dev, int disp, 799 uint32_t /*config*/, const uint32_t* attributes, int32_t* values) { 800 801 hwc_context_t* ctx = (hwc_context_t*)(dev); 802 disp = getDpyforExternalDisplay(ctx, disp); 803 //If hotpluggable displays(i.e, HDMI, WFD) are inactive return error 804 if( (disp != HWC_DISPLAY_PRIMARY) && !ctx->dpyAttr[disp].connected) { 805 return -1; 806 } 807 808 //From HWComposer 809 static const uint32_t DISPLAY_ATTRIBUTES[] = { 810 HWC_DISPLAY_VSYNC_PERIOD, 811 HWC_DISPLAY_WIDTH, 812 HWC_DISPLAY_HEIGHT, 813 HWC_DISPLAY_DPI_X, 814 HWC_DISPLAY_DPI_Y, 815 HWC_DISPLAY_NO_ATTRIBUTE, 816 }; 817 818 const size_t NUM_DISPLAY_ATTRIBUTES = (sizeof(DISPLAY_ATTRIBUTES) / 819 sizeof(DISPLAY_ATTRIBUTES)[0]); 820 821 for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) { 822 switch (attributes[i]) { 823 case HWC_DISPLAY_VSYNC_PERIOD: 824 values[i] = ctx->dpyAttr[disp].vsync_period; 825 break; 826 case HWC_DISPLAY_WIDTH: 827 values[i] = ctx->dpyAttr[disp].xres; 828 ALOGD("%s disp = %d, width = %d",__FUNCTION__, disp, 829 ctx->dpyAttr[disp].xres); 830 break; 831 case HWC_DISPLAY_HEIGHT: 832 values[i] = ctx->dpyAttr[disp].yres; 833 ALOGD("%s disp = %d, height = %d",__FUNCTION__, disp, 834 ctx->dpyAttr[disp].yres); 835 break; 836 case HWC_DISPLAY_DPI_X: 837 values[i] = (int32_t) (ctx->dpyAttr[disp].xdpi*1000.0); 838 break; 839 case HWC_DISPLAY_DPI_Y: 840 values[i] = (int32_t) (ctx->dpyAttr[disp].ydpi*1000.0); 841 break; 842 default: 843 ALOGE("Unknown display attribute %d", 844 attributes[i]); 845 return -EINVAL; 846 } 847 } 848 return 0; 849} 850 851void hwc_dump(struct hwc_composer_device_1* dev, char *buff, int buff_len) 852{ 853 hwc_context_t* ctx = (hwc_context_t*)(dev); 854 Locker::Autolock _l(ctx->mDrawLock); 855 android::String8 aBuf(""); 856 dumpsys_log(aBuf, "Qualcomm HWC state:\n"); 857 dumpsys_log(aBuf, " MDPVersion=%d\n", ctx->mMDP.version); 858 dumpsys_log(aBuf, " DisplayPanel=%c\n", ctx->mMDP.panel); 859 if(ctx->vstate.fakevsync) 860 dumpsys_log(aBuf, " Vsync is being faked!!\n"); 861 for(int dpy = 0; dpy < HWC_NUM_DISPLAY_TYPES; dpy++) { 862 if(ctx->mMDPComp[dpy]) 863 ctx->mMDPComp[dpy]->dump(aBuf); 864 } 865 char ovDump[2048] = {'\0'}; 866 ctx->mOverlay->getDump(ovDump, 2048); 867 dumpsys_log(aBuf, ovDump); 868 ovDump[0] = '\0'; 869 ctx->mRotMgr->getDump(ovDump, 1024); 870 dumpsys_log(aBuf, ovDump); 871 ovDump[0] = '\0'; 872 if(Writeback::getDump(ovDump, 1024)) { 873 dumpsys_log(aBuf, ovDump); 874 ovDump[0] = '\0'; 875 } 876 strlcpy(buff, aBuf.string(), buff_len); 877} 878 879static int hwc_device_close(struct hw_device_t *dev) 880{ 881 if(!dev) { 882 ALOGE("%s: NULL device pointer", __FUNCTION__); 883 return -1; 884 } 885 closeContext((hwc_context_t*)dev); 886 free(dev); 887 888 return 0; 889} 890 891static int hwc_device_open(const struct hw_module_t* module, const char* name, 892 struct hw_device_t** device) 893{ 894 int status = -EINVAL; 895 896 if (!strcmp(name, HWC_HARDWARE_COMPOSER)) { 897 struct hwc_context_t *dev; 898 dev = (hwc_context_t*)malloc(sizeof(*dev)); 899 if(dev == NULL) 900 return status; 901 memset(dev, 0, sizeof(*dev)); 902 903 //Initialize hwc context 904 initContext(dev); 905 906 //Setup HWC methods 907 dev->device.common.tag = HARDWARE_DEVICE_TAG; 908 dev->device.common.version = HWC_DEVICE_API_VERSION_1_3; 909 dev->device.common.module = const_cast<hw_module_t*>(module); 910 dev->device.common.close = hwc_device_close; 911 dev->device.prepare = hwc_prepare; 912 dev->device.set = hwc_set; 913 dev->device.eventControl = hwc_eventControl; 914 dev->device.blank = hwc_blank; 915 dev->device.query = hwc_query; 916 dev->device.registerProcs = hwc_registerProcs; 917 dev->device.dump = hwc_dump; 918 dev->device.getDisplayConfigs = hwc_getDisplayConfigs; 919 dev->device.getDisplayAttributes = hwc_getDisplayAttributes; 920 *device = &dev->device.common; 921 status = 0; 922 } 923 return status; 924} 925