hwc_utils.cpp revision b5199b08a351177e2d572b29d04f5a05069b3c2a
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * Copyright (C) 2012-2013, 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#define HWC_UTILS_DEBUG 0 22#include <math.h> 23#include <sys/ioctl.h> 24#include <binder/IServiceManager.h> 25#include <EGL/egl.h> 26#include <cutils/properties.h> 27#include <utils/Trace.h> 28#include <gralloc_priv.h> 29#include <overlay.h> 30#include <overlayRotator.h> 31#include <overlayWriteback.h> 32#include "hwc_utils.h" 33#include "hwc_mdpcomp.h" 34#include "hwc_fbupdate.h" 35#include "hwc_ad.h" 36#include "mdp_version.h" 37#include "hwc_copybit.h" 38#include "external.h" 39#include "hwc_qclient.h" 40#include "QService.h" 41#include "comptype.h" 42 43using namespace qClient; 44using namespace qService; 45using namespace android; 46using namespace overlay; 47using namespace overlay::utils; 48namespace ovutils = overlay::utils; 49 50namespace qhwc { 51 52static int openFramebufferDevice(hwc_context_t *ctx) 53{ 54 struct fb_fix_screeninfo finfo; 55 struct fb_var_screeninfo info; 56 57 int fb_fd = openFb(HWC_DISPLAY_PRIMARY); 58 if(fb_fd < 0) { 59 ALOGE("%s: Error Opening FB : %s", __FUNCTION__, strerror(errno)); 60 return -errno; 61 } 62 63 if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1) { 64 ALOGE("%s:Error in ioctl FBIOGET_VSCREENINFO: %s", __FUNCTION__, 65 strerror(errno)); 66 close(fb_fd); 67 return -errno; 68 } 69 70 if (int(info.width) <= 0 || int(info.height) <= 0) { 71 // the driver doesn't return that information 72 // default to 160 dpi 73 info.width = ((info.xres * 25.4f)/160.0f + 0.5f); 74 info.height = ((info.yres * 25.4f)/160.0f + 0.5f); 75 } 76 77 float xdpi = (info.xres * 25.4f) / info.width; 78 float ydpi = (info.yres * 25.4f) / info.height; 79 80#ifdef MSMFB_METADATA_GET 81 struct msmfb_metadata metadata; 82 memset(&metadata, 0 , sizeof(metadata)); 83 metadata.op = metadata_op_frame_rate; 84 85 if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) { 86 ALOGE("%s:Error retrieving panel frame rate: %s", __FUNCTION__, 87 strerror(errno)); 88 close(fb_fd); 89 return -errno; 90 } 91 92 float fps = metadata.data.panel_frame_rate; 93#else 94 //XXX: Remove reserved field usage on all baselines 95 //The reserved[3] field is used to store FPS by the driver. 96 float fps = info.reserved[3] & 0xFF; 97#endif 98 99 if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1) { 100 ALOGE("%s:Error in ioctl FBIOGET_FSCREENINFO: %s", __FUNCTION__, 101 strerror(errno)); 102 close(fb_fd); 103 return -errno; 104 } 105 106 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd; 107 //xres, yres may not be 32 aligned 108 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8); 109 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres; 110 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres; 111 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi; 112 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi; 113 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps; 114 115 //Unblank primary on first boot 116 if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) { 117 ALOGE("%s: Failed to unblank display", __FUNCTION__); 118 return -errno; 119 } 120 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true; 121 122 return 0; 123} 124 125void initContext(hwc_context_t *ctx) 126{ 127 memset(&ctx->dpyAttr, 0, sizeof(ctx->dpyAttr)); 128 if(openFramebufferDevice(ctx) < 0) { 129 ALOGE("%s: failed to open framebuffer!!", __FUNCTION__); 130 } 131 132 overlay::Overlay::initOverlay(); 133 ctx->mOverlay = overlay::Overlay::getInstance(); 134 ctx->mRotMgr = new RotMgr(); 135 ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion(); 136 ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay(); 137 ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType(); 138 const int rightSplit = qdutils::MDPVersion::getInstance().getRightSplit(); 139 overlay::Overlay::initOverlay(); 140 ctx->mOverlay = overlay::Overlay::getInstance(); 141 ctx->mRotMgr = new RotMgr(); 142 143 //Is created and destroyed only once for primary 144 //For external it could get created and destroyed multiple times depending 145 //on what external we connect to. 146 ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] = 147 IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres, 148 rightSplit, HWC_DISPLAY_PRIMARY); 149 150 // Check if the target supports copybit compostion (dyn/mdp/c2d) to 151 // decide if we need to open the copybit module. 152 int compositionType = 153 qdutils::QCCompositionType::getInstance().getCompositionType(); 154 155 if (compositionType & (qdutils::COMPOSITION_TYPE_DYN | 156 qdutils::COMPOSITION_TYPE_MDP | 157 qdutils::COMPOSITION_TYPE_C2D)) { 158 ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit(); 159 } 160 161 ctx->mExtDisplay = new ExternalDisplay(ctx); 162 163 for (uint32_t i = 0; i < MAX_DISPLAYS; i++) { 164 ctx->mLayerRotMap[i] = new LayerRotMap(); 165 } 166 167 ctx->mMDPComp[HWC_DISPLAY_PRIMARY] = 168 MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres, 169 rightSplit, HWC_DISPLAY_PRIMARY); 170 171 MDPComp::init(ctx); 172 ctx->mAD = new AssertiveDisplay(); 173 174 ctx->vstate.enable = false; 175 ctx->vstate.fakevsync = false; 176 177 //Right now hwc starts the service but anybody could do it, or it could be 178 //independent process as well. 179 QService::init(); 180 sp<IQClient> client = new QClient(ctx); 181 interface_cast<IQService>( 182 defaultServiceManager()->getService( 183 String16("display.qservice")))->connect(client); 184 185 ALOGI("Initializing Qualcomm Hardware Composer"); 186 ALOGI("MDP version: %d", ctx->mMDP.version); 187} 188 189void closeContext(hwc_context_t *ctx) 190{ 191 if(ctx->mOverlay) { 192 delete ctx->mOverlay; 193 ctx->mOverlay = NULL; 194 } 195 196 if(ctx->mRotMgr) { 197 delete ctx->mRotMgr; 198 ctx->mRotMgr = NULL; 199 } 200 201 for(int i = 0; i < MAX_DISPLAYS; i++) { 202 if(ctx->mCopyBit[i]) { 203 delete ctx->mCopyBit[i]; 204 ctx->mCopyBit[i] = NULL; 205 } 206 } 207 208 if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) { 209 close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd); 210 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1; 211 } 212 213 if(ctx->mExtDisplay) { 214 delete ctx->mExtDisplay; 215 ctx->mExtDisplay = NULL; 216 } 217 218 for(int i = 0; i < MAX_DISPLAYS; i++) { 219 if(ctx->mFBUpdate[i]) { 220 delete ctx->mFBUpdate[i]; 221 ctx->mFBUpdate[i] = NULL; 222 } 223 if(ctx->mMDPComp[i]) { 224 delete ctx->mMDPComp[i]; 225 ctx->mMDPComp[i] = NULL; 226 } 227 if(ctx->mLayerRotMap[i]) { 228 delete ctx->mLayerRotMap[i]; 229 ctx->mLayerRotMap[i] = NULL; 230 } 231 } 232 233 if(ctx->mAD) { 234 delete ctx->mAD; 235 ctx->mAD = NULL; 236 } 237} 238 239 240void dumpsys_log(android::String8& buf, const char* fmt, ...) 241{ 242 va_list varargs; 243 va_start(varargs, fmt); 244 buf.appendFormatV(fmt, varargs); 245 va_end(varargs); 246} 247 248/* Calculates the destination position based on the action safe rectangle */ 249void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x, 250 uint32_t& y, uint32_t& w, uint32_t& h) { 251 252 // if external supports underscan, do nothing 253 // it will be taken care in the driver 254 if(ctx->mExtDisplay->isCEUnderscanSupported()) 255 return; 256 257 char value[PROPERTY_VALUE_MAX]; 258 // Read action safe properties 259 property_get("persist.sys.actionsafe.width", value, "0"); 260 int asWidthRatio = atoi(value); 261 property_get("persist.sys.actionsafe.height", value, "0"); 262 int asHeightRatio = atoi(value); 263 264 if(!asWidthRatio && !asHeightRatio) { 265 //No action safe ratio set, return 266 return; 267 } 268 269 float wRatio = 1.0; 270 float hRatio = 1.0; 271 float xRatio = 1.0; 272 float yRatio = 1.0; 273 274 float fbWidth = ctx->dpyAttr[dpy].xres; 275 float fbHeight = ctx->dpyAttr[dpy].yres; 276 277 float asX = 0; 278 float asY = 0; 279 float asW = fbWidth; 280 float asH= fbHeight; 281 282 // based on the action safe ratio, get the Action safe rectangle 283 asW = fbWidth * (1.0f - asWidthRatio / 100.0f); 284 asH = fbHeight * (1.0f - asHeightRatio / 100.0f); 285 asX = (fbWidth - asW) / 2; 286 asY = (fbHeight - asH) / 2; 287 288 // calculate the position ratio 289 xRatio = (float)x/fbWidth; 290 yRatio = (float)y/fbHeight; 291 wRatio = (float)w/fbWidth; 292 hRatio = (float)h/fbHeight; 293 294 //Calculate the position... 295 x = (xRatio * asW) + asX; 296 y = (yRatio * asH) + asY; 297 w = (wRatio * asW); 298 h = (hRatio * asH); 299 300 return; 301} 302 303bool needsScaling(hwc_context_t* ctx, hwc_layer_1_t const* layer, 304 const int& dpy) { 305 int dst_w, dst_h, src_w, src_h; 306 307 hwc_rect_t displayFrame = layer->displayFrame; 308 hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf); 309 trimLayer(ctx, dpy, layer->transform, sourceCrop, displayFrame); 310 311 dst_w = displayFrame.right - displayFrame.left; 312 dst_h = displayFrame.bottom - displayFrame.top; 313 src_w = sourceCrop.right - sourceCrop.left; 314 src_h = sourceCrop.bottom - sourceCrop.top; 315 316 if(((src_w != dst_w) || (src_h != dst_h))) 317 return true; 318 319 return false; 320} 321 322bool isAlphaScaled(hwc_context_t* ctx, hwc_layer_1_t const* layer, 323 const int& dpy) { 324 if(needsScaling(ctx, layer, dpy) && isAlphaPresent(layer)) { 325 return true; 326 } 327 return false; 328} 329 330bool isAlphaPresent(hwc_layer_1_t const* layer) { 331 private_handle_t *hnd = (private_handle_t *)layer->handle; 332 if(hnd) { 333 int format = hnd->format; 334 switch(format) { 335 case HAL_PIXEL_FORMAT_RGBA_8888: 336 case HAL_PIXEL_FORMAT_BGRA_8888: 337 // In any more formats with Alpha go here.. 338 return true; 339 default : return false; 340 } 341 } 342 return false; 343} 344 345// Let CABL know we have a YUV layer 346static void setYUVProp(int yuvCount) { 347 static char property[PROPERTY_VALUE_MAX]; 348 if(yuvCount > 0) { 349 if (property_get("hw.cabl.yuv", property, NULL) > 0) { 350 if (atoi(property) != 1) { 351 property_set("hw.cabl.yuv", "1"); 352 } 353 } 354 } else { 355 if (property_get("hw.cabl.yuv", property, NULL) > 0) { 356 if (atoi(property) != 0) { 357 property_set("hw.cabl.yuv", "0"); 358 } 359 } 360 } 361} 362 363void setListStats(hwc_context_t *ctx, 364 const hwc_display_contents_1_t *list, int dpy) { 365 const int prevYuvCount = ctx->listStats[dpy].yuvCount; 366 memset(&ctx->listStats[dpy], 0, sizeof(ListStats)); 367 ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1; 368 ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1; 369 ctx->listStats[dpy].skipCount = 0; 370 ctx->listStats[dpy].needsAlphaScale = false; 371 ctx->listStats[dpy].preMultipliedAlpha = false; 372 ctx->listStats[dpy].planeAlpha = false; 373 ctx->listStats[dpy].isSecurePresent = false; 374 ctx->listStats[dpy].yuvCount = 0; 375 376 for (size_t i = 0; i < (size_t)ctx->listStats[dpy].numAppLayers; i++) { 377 hwc_layer_1_t const* layer = &list->hwLayers[i]; 378 private_handle_t *hnd = (private_handle_t *)layer->handle; 379 380 // continue if number of app layers exceeds MAX_NUM_APP_LAYERS 381 if(ctx->listStats[dpy].numAppLayers > MAX_NUM_APP_LAYERS) 382 continue; 383 384 //reset yuv indices 385 ctx->listStats[dpy].yuvIndices[i] = -1; 386 387 if (isSecureBuffer(hnd)) { 388 ctx->listStats[dpy].isSecurePresent = true; 389 } 390 391 if (isSkipLayer(&list->hwLayers[i])) { 392 ctx->listStats[dpy].skipCount++; 393 } else if (UNLIKELY(isYuvBuffer(hnd))) { 394 int& yuvCount = ctx->listStats[dpy].yuvCount; 395 ctx->listStats[dpy].yuvIndices[yuvCount] = i; 396 yuvCount++; 397 398 if((layer->transform & HWC_TRANSFORM_ROT_90) && 399 canUseRotator(ctx, dpy)) { 400 if( (dpy == HWC_DISPLAY_PRIMARY) && 401 ctx->mOverlay->isPipeTypeAttached(OV_MDP_PIPE_DMA)) { 402 ctx->isPaddingRound = true; 403 } 404 Overlay::setDMAMode(Overlay::DMA_BLOCK_MODE); 405 } 406 } 407 if(layer->blending == HWC_BLENDING_PREMULT) 408 ctx->listStats[dpy].preMultipliedAlpha = true; 409 if(layer->planeAlpha < 0xFF) 410 ctx->listStats[dpy].planeAlpha = true; 411 if(!ctx->listStats[dpy].needsAlphaScale) 412 ctx->listStats[dpy].needsAlphaScale = 413 isAlphaScaled(ctx, layer, dpy); 414 } 415 setYUVProp(ctx->listStats[dpy].yuvCount); 416 //The marking of video begin/end is useful on some targets where we need 417 //to have a padding round to be able to shift pipes across mixers. 418 if(prevYuvCount != ctx->listStats[dpy].yuvCount) { 419 ctx->mVideoTransFlag = true; 420 } 421 if(dpy == HWC_DISPLAY_PRIMARY) { 422 ctx->mAD->markDoable(ctx, list); 423 } 424} 425 426 427static void calc_cut(double& leftCutRatio, double& topCutRatio, 428 double& rightCutRatio, double& bottomCutRatio, int orient) { 429 if(orient & HAL_TRANSFORM_FLIP_H) { 430 swap(leftCutRatio, rightCutRatio); 431 } 432 if(orient & HAL_TRANSFORM_FLIP_V) { 433 swap(topCutRatio, bottomCutRatio); 434 } 435 if(orient & HAL_TRANSFORM_ROT_90) { 436 //Anti clock swapping 437 double tmpCutRatio = leftCutRatio; 438 leftCutRatio = topCutRatio; 439 topCutRatio = rightCutRatio; 440 rightCutRatio = bottomCutRatio; 441 bottomCutRatio = tmpCutRatio; 442 } 443} 444 445bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) { 446 if((ctx->mMDP.version < qdutils::MDSS_V5) && 447 (ctx->mMDP.version > qdutils::MDP_V3_0) && 448 ctx->mSecuring) { 449 return true; 450 } 451 // On A-Family, Secure policy is applied system wide and not on 452 // buffers. 453 if (isSecureModePolicy(ctx->mMDP.version)) { 454 private_handle_t *hnd = (private_handle_t *)layer->handle; 455 if(ctx->mSecureMode) { 456 if (! isSecureBuffer(hnd)) { 457 // This code path executes for the following usecase: 458 // Some Apps in which first few seconds, framework 459 // sends non-secure buffer and with out destroying 460 // surfaces, switches to secure buffer thereby exposing 461 // vulnerability on A-family devices. Catch this situation 462 // and handle it gracefully by allowing it to be composed by 463 // GPU. 464 ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle non-secure video layer" 465 "during secure playback gracefully", __FUNCTION__); 466 return true; 467 } 468 } else { 469 if (isSecureBuffer(hnd)) { 470 // This code path executes for the following usecase: 471 // For some Apps, when User terminates playback, Framework 472 // doesnt destroy video surface and video surface still 473 // comes to Display HAL. This exposes vulnerability on 474 // A-family. Catch this situation and handle it gracefully 475 // by allowing it to be composed by GPU. 476 ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle secure video layer" 477 "during non-secure playback gracefully", __FUNCTION__); 478 return true; 479 } 480 } 481 } 482 return false; 483} 484 485bool isSecureModePolicy(int mdpVersion) { 486 if (mdpVersion < qdutils::MDSS_V5) 487 return true; 488 else 489 return false; 490} 491 492int getBlending(int blending) { 493 switch(blending) { 494 case HWC_BLENDING_NONE: 495 return overlay::utils::OVERLAY_BLENDING_OPAQUE; 496 case HWC_BLENDING_PREMULT: 497 return overlay::utils::OVERLAY_BLENDING_PREMULT; 498 case HWC_BLENDING_COVERAGE : 499 default: 500 return overlay::utils::OVERLAY_BLENDING_COVERAGE; 501 } 502} 503 504//Crops source buffer against destination and FB boundaries 505void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst, 506 const hwc_rect_t& scissor, int orient) { 507 508 int& crop_l = crop.left; 509 int& crop_t = crop.top; 510 int& crop_r = crop.right; 511 int& crop_b = crop.bottom; 512 int crop_w = crop.right - crop.left; 513 int crop_h = crop.bottom - crop.top; 514 515 int& dst_l = dst.left; 516 int& dst_t = dst.top; 517 int& dst_r = dst.right; 518 int& dst_b = dst.bottom; 519 int dst_w = abs(dst.right - dst.left); 520 int dst_h = abs(dst.bottom - dst.top); 521 522 const int& sci_l = scissor.left; 523 const int& sci_t = scissor.top; 524 const int& sci_r = scissor.right; 525 const int& sci_b = scissor.bottom; 526 int sci_w = abs(sci_r - sci_l); 527 int sci_h = abs(sci_b - sci_t); 528 529 double leftCutRatio = 0.0, rightCutRatio = 0.0, topCutRatio = 0.0, 530 bottomCutRatio = 0.0; 531 532 if(dst_l < sci_l) { 533 leftCutRatio = (double)(sci_l - dst_l) / (double)dst_w; 534 dst_l = sci_l; 535 } 536 537 if(dst_r > sci_r) { 538 rightCutRatio = (double)(dst_r - sci_r) / (double)dst_w; 539 dst_r = sci_r; 540 } 541 542 if(dst_t < sci_t) { 543 topCutRatio = (double)(sci_t - dst_t) / (double)dst_h; 544 dst_t = sci_t; 545 } 546 547 if(dst_b > sci_b) { 548 bottomCutRatio = (double)(dst_b - sci_b) / (double)dst_h; 549 dst_b = sci_b; 550 } 551 552 calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient); 553 crop_l += crop_w * leftCutRatio; 554 crop_t += crop_h * topCutRatio; 555 crop_r -= crop_w * rightCutRatio; 556 crop_b -= crop_h * bottomCutRatio; 557} 558 559void getNonWormholeRegion(hwc_display_contents_1_t* list, 560 hwc_rect_t& nwr) 561{ 562 uint32_t last = list->numHwLayers - 1; 563 hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame; 564 //Initiliaze nwr to first frame 565 nwr.left = list->hwLayers[0].displayFrame.left; 566 nwr.top = list->hwLayers[0].displayFrame.top; 567 nwr.right = list->hwLayers[0].displayFrame.right; 568 nwr.bottom = list->hwLayers[0].displayFrame.bottom; 569 570 for (uint32_t i = 1; i < last; i++) { 571 hwc_rect_t displayFrame = list->hwLayers[i].displayFrame; 572 nwr.left = min(nwr.left, displayFrame.left); 573 nwr.top = min(nwr.top, displayFrame.top); 574 nwr.right = max(nwr.right, displayFrame.right); 575 nwr.bottom = max(nwr.bottom, displayFrame.bottom); 576 } 577 578 //Intersect with the framebuffer 579 nwr.left = max(nwr.left, fbDisplayFrame.left); 580 nwr.top = max(nwr.top, fbDisplayFrame.top); 581 nwr.right = min(nwr.right, fbDisplayFrame.right); 582 nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom); 583 584} 585 586bool isSecondaryConfiguring(hwc_context_t* ctx) { 587 return (ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isConfiguring | 588 ctx->dpyAttr[HWC_DISPLAY_VIRTUAL].isConfiguring); 589} 590 591void closeAcquireFds(hwc_display_contents_1_t* list) { 592 if(LIKELY(list)) { 593 for(uint32_t i = 0; i < list->numHwLayers; i++) { 594 //Close the acquireFenceFds 595 //HWC_FRAMEBUFFER are -1 already by SF, rest we close. 596 if(list->hwLayers[i].acquireFenceFd >= 0) { 597 close(list->hwLayers[i].acquireFenceFd); 598 list->hwLayers[i].acquireFenceFd = -1; 599 } 600 } 601 } 602} 603 604int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy, 605 int fd) { 606 ATRACE_CALL(); 607 int ret = 0; 608 int acquireFd[MAX_NUM_APP_LAYERS]; 609 int count = 0; 610 int releaseFd = -1; 611 int retireFd = -1; 612 int fbFd = -1; 613 bool swapzero = false; 614 int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion(); 615 616 struct mdp_buf_sync data; 617 memset(&data, 0, sizeof(data)); 618 data.acq_fen_fd = acquireFd; 619 data.rel_fen_fd = &releaseFd; 620 data.retire_fen_fd = &retireFd; 621 622 char property[PROPERTY_VALUE_MAX]; 623 if(property_get("debug.egl.swapinterval", property, "1") > 0) { 624 if(atoi(property) == 0) 625 swapzero = true; 626 } 627 628 for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) { 629 int rotFd = ctx->mRotMgr->getRotDevFd(); 630 int rotReleaseFd = -1; 631 int rotRetireFd = -1; 632 struct mdp_buf_sync rotData; 633 memset(&rotData, 0, sizeof(rotData)); 634 rotData.acq_fen_fd = 635 &ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd; 636 rotData.rel_fen_fd = &rotReleaseFd; //driver to populate this 637 rotData.retire_fen_fd = &rotRetireFd; 638 rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId(); 639 int ret = 0; 640 ret = ioctl(rotFd, MSMFB_BUFFER_SYNC, &rotData); 641 if(ret < 0) { 642 ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed for rot sync, err=%s", 643 __FUNCTION__, strerror(errno)); 644 } else { 645 close(ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd); 646 //For MDP to wait on. 647 ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd = 648 dup(rotReleaseFd); 649 //A buffer is free to be used by producer as soon as its copied to 650 //rotator 651 ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd = 652 rotReleaseFd; 653 //Not used for rotator 654 close(rotRetireFd); 655 } 656 } 657 658 //Accumulate acquireFenceFds for MDP 659 for(uint32_t i = 0; i < list->numHwLayers; i++) { 660 if(list->hwLayers[i].compositionType == HWC_OVERLAY && 661 list->hwLayers[i].acquireFenceFd >= 0) { 662 if(UNLIKELY(swapzero)) 663 acquireFd[count++] = -1; 664 else 665 acquireFd[count++] = list->hwLayers[i].acquireFenceFd; 666 } 667 if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) { 668 if(UNLIKELY(swapzero)) 669 acquireFd[count++] = -1; 670 else if(fd >= 0) { 671 //set the acquireFD from fd - which is coming from c2d 672 acquireFd[count++] = fd; 673 // Buffer sync IOCTL should be async when using c2d fence is 674 // used 675 data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT; 676 } else if(list->hwLayers[i].acquireFenceFd >= 0) 677 acquireFd[count++] = list->hwLayers[i].acquireFenceFd; 678 } 679 } 680 681 data.acq_fen_fd_cnt = count; 682 fbFd = ctx->dpyAttr[dpy].fd; 683 684 //Waits for acquire fences, returns a release fence 685 if(LIKELY(!swapzero)) { 686 uint64_t start = systemTime(); 687 ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data); 688 ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d", 689 __FUNCTION__, (size_t) ns2ms(systemTime() - start)); 690 } 691 692 if(ret < 0) { 693 ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed, err=%s", 694 __FUNCTION__, strerror(errno)); 695 ALOGE("%s: acq_fen_fd_cnt=%d flags=%d fd=%d dpy=%d numHwLayers=%d", 696 __FUNCTION__, data.acq_fen_fd_cnt, data.flags, fbFd, 697 dpy, list->numHwLayers); 698 } 699 700 for(uint32_t i = 0; i < list->numHwLayers; i++) { 701 if(list->hwLayers[i].compositionType == HWC_OVERLAY || 702 list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) { 703 //Populate releaseFenceFds. 704 if(UNLIKELY(swapzero)) { 705 list->hwLayers[i].releaseFenceFd = -1; 706 } else if(list->hwLayers[i].releaseFenceFd < 0) { 707 //If rotator has not already populated this field. 708 list->hwLayers[i].releaseFenceFd = dup(releaseFd); 709 } 710 } 711 } 712 713 if(fd >= 0) { 714 close(fd); 715 fd = -1; 716 } 717 718 if (ctx->mCopyBit[dpy]) 719 ctx->mCopyBit[dpy]->setReleaseFd(releaseFd); 720 721 //Signals when MDP finishes reading rotator buffers. 722 ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd); 723 close(releaseFd); 724 725 if(UNLIKELY(swapzero)) 726 list->retireFenceFd = -1; 727 else 728 list->retireFenceFd = retireFd; 729 return ret; 730} 731 732void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform, 733 hwc_rect_t& crop, hwc_rect_t& dst) { 734 int hw_w = ctx->dpyAttr[dpy].xres; 735 int hw_h = ctx->dpyAttr[dpy].yres; 736 if(dst.left < 0 || dst.top < 0 || 737 dst.right > hw_w || dst.bottom > hw_h) { 738 hwc_rect_t scissor = {0, 0, hw_w, hw_h }; 739 qhwc::calculate_crop_rects(crop, dst, scissor, transform); 740 } 741} 742 743void setMdpFlags(hwc_layer_1_t *layer, 744 ovutils::eMdpFlags &mdpFlags, 745 int rotDownscale) { 746 private_handle_t *hnd = (private_handle_t *)layer->handle; 747 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata; 748 const int& transform = layer->transform; 749 750 if(layer->blending == HWC_BLENDING_PREMULT) { 751 ovutils::setMdpFlags(mdpFlags, 752 ovutils::OV_MDP_BLEND_FG_PREMULT); 753 } 754 755 if(isYuvBuffer(hnd)) { 756 if(isSecureBuffer(hnd)) { 757 ovutils::setMdpFlags(mdpFlags, 758 ovutils::OV_MDP_SECURE_OVERLAY_SESSION); 759 } 760 if(metadata && (metadata->operation & PP_PARAM_INTERLACED) && 761 metadata->interlaced) { 762 ovutils::setMdpFlags(mdpFlags, 763 ovutils::OV_MDP_DEINTERLACE); 764 } 765 //Pre-rotation will be used using rotator. 766 if(transform & HWC_TRANSFORM_ROT_90) { 767 ovutils::setMdpFlags(mdpFlags, 768 ovutils::OV_MDP_SOURCE_ROTATED_90); 769 } 770 } 771 772 //No 90 component and no rot-downscale then flips done by MDP 773 //If we use rot then it might as well do flips 774 if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) { 775 if(layer->transform & HWC_TRANSFORM_FLIP_H) { 776 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H); 777 } 778 779 if(layer->transform & HWC_TRANSFORM_FLIP_V) { 780 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_V); 781 } 782 } 783 784 if(metadata && 785 ((metadata->operation & PP_PARAM_HSIC) 786 || (metadata->operation & PP_PARAM_IGC) 787 || (metadata->operation & PP_PARAM_SHARP2))) { 788 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN); 789 } 790} 791 792int configRotator(Rotator *rot, const Whf& whf, 793 hwc_rect_t& crop, const eMdpFlags& mdpFlags, 794 const eTransform& orient, const int& downscale) { 795 rot->setSource(whf); 796 797 if (qdutils::MDPVersion::getInstance().getMDPVersion() >= 798 qdutils::MDSS_V5) { 799 uint32_t crop_w = (crop.right - crop.left); 800 uint32_t crop_h = (crop.bottom - crop.top); 801 if (ovutils::isYuv(whf.format)) { 802 ovutils::normalizeCrop((uint32_t&)crop.left, crop_w); 803 ovutils::normalizeCrop((uint32_t&)crop.top, crop_h); 804 // For interlaced, crop.h should be 4-aligned 805 if ((mdpFlags & ovutils::OV_MDP_DEINTERLACE) && (crop_h % 4)) 806 crop_h = ovutils::aligndown(crop_h, 4); 807 crop.right = crop.left + crop_w; 808 crop.bottom = crop.top + crop_h; 809 } 810 Dim rotCrop(crop.left, crop.top, crop_w, crop_h); 811 rot->setCrop(rotCrop); 812 } 813 814 rot->setFlags(mdpFlags); 815 rot->setTransform(orient); 816 rot->setDownscale(downscale); 817 if(!rot->commit()) return -1; 818 return 0; 819} 820 821int configMdp(Overlay *ov, const PipeArgs& parg, 822 const eTransform& orient, const hwc_rect_t& crop, 823 const hwc_rect_t& pos, const MetaData_t *metadata, 824 const eDest& dest) { 825 ov->setSource(parg, dest); 826 ov->setTransform(orient, dest); 827 828 int crop_w = crop.right - crop.left; 829 int crop_h = crop.bottom - crop.top; 830 Dim dcrop(crop.left, crop.top, crop_w, crop_h); 831 ov->setCrop(dcrop, dest); 832 833 int posW = pos.right - pos.left; 834 int posH = pos.bottom - pos.top; 835 Dim position(pos.left, pos.top, posW, posH); 836 ov->setPosition(position, dest); 837 838 if (metadata) 839 ov->setVisualParams(*metadata, dest); 840 841 if (!ov->commit(dest)) { 842 return -1; 843 } 844 return 0; 845} 846 847void updateSource(eTransform& orient, Whf& whf, 848 hwc_rect_t& crop) { 849 Dim srcCrop(crop.left, crop.top, 850 crop.right - crop.left, 851 crop.bottom - crop.top); 852 orient = static_cast<eTransform>(ovutils::getMdpOrient(orient)); 853 preRotateSource(orient, whf, srcCrop); 854 if (qdutils::MDPVersion::getInstance().getMDPVersion() >= 855 qdutils::MDSS_V5) { 856 // Source for overlay will be the cropped (and rotated) 857 crop.left = 0; 858 crop.top = 0; 859 crop.right = srcCrop.w; 860 crop.bottom = srcCrop.h; 861 // Set width & height equal to sourceCrop w & h 862 whf.w = srcCrop.w; 863 whf.h = srcCrop.h; 864 } else { 865 crop.left = srcCrop.x; 866 crop.top = srcCrop.y; 867 crop.right = srcCrop.x + srcCrop.w; 868 crop.bottom = srcCrop.y + srcCrop.h; 869 } 870} 871 872int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer, 873 const int& dpy, eMdpFlags& mdpFlags, const eZorder& z, 874 const eIsFg& isFg, const eDest& dest, Rotator **rot) { 875 876 private_handle_t *hnd = (private_handle_t *)layer->handle; 877 if(!hnd) { 878 ALOGE("%s: layer handle is NULL", __FUNCTION__); 879 ctx->mLayerRotMap[dpy]->reset(); 880 return -1; 881 } 882 883 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata; 884 885 hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf); 886 hwc_rect_t dst = layer->displayFrame; 887 int transform = layer->transform; 888 eTransform orient = static_cast<eTransform>(transform); 889 int downscale = 0; 890 int rotFlags = ovutils::ROT_FLAGS_NONE; 891 Whf whf(getWidth(hnd), getHeight(hnd), 892 getMdpFormat(hnd->format), hnd->size); 893 894 uint32_t x = dst.left, y = dst.top; 895 uint32_t w = dst.right - dst.left; 896 uint32_t h = dst.bottom - dst.top; 897 898 if(dpy) { 899 // Calculate the actionsafe dimensions for External(dpy = 1 or 2) 900 getActionSafePosition(ctx, dpy, x, y, w, h); 901 // Convert position to hwc_rect_t 902 dst.left = x; 903 dst.top = y; 904 dst.right = w + dst.left; 905 dst.bottom = h + dst.top; 906 } 907 908 if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 && 909 ctx->mMDP.version < qdutils::MDSS_V5) { 910 downscale = getDownscaleFactor( 911 crop.right - crop.left, 912 crop.bottom - crop.top, 913 dst.right - dst.left, 914 dst.bottom - dst.top); 915 if(downscale) { 916 rotFlags = ROT_DOWNSCALE_ENABLED; 917 } 918 } 919 920 setMdpFlags(layer, mdpFlags, downscale); 921 trimLayer(ctx, dpy, transform, crop, dst); 922 923 //Will do something only if feature enabled and conditions suitable 924 //hollow call otherwise 925 if(ctx->mAD->prepare(ctx, crop, whf, hnd)) { 926 overlay::Writeback *wb = overlay::Writeback::getInstance(); 927 whf.format = wb->getOutputFormat(); 928 } 929 930 if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot 931 ((transform & HWC_TRANSFORM_ROT_90) || downscale)) { 932 *rot = ctx->mRotMgr->getNext(); 933 if(*rot == NULL) return -1; 934 BwcPM::setBwc(ctx, crop, dst, transform, mdpFlags); 935 //Configure rotator for pre-rotation 936 if(configRotator(*rot, whf, crop, mdpFlags, orient, downscale) < 0) { 937 ALOGE("%s: configRotator failed!", __FUNCTION__); 938 ctx->mOverlay->clear(dpy); 939 return -1; 940 } 941 ctx->mLayerRotMap[dpy]->add(layer, *rot); 942 whf.format = (*rot)->getDstFormat(); 943 updateSource(orient, whf, crop); 944 rotFlags |= ovutils::ROT_PREROTATED; 945 } 946 947 //For the mdp, since either we are pre-rotating or MDP does flips 948 orient = OVERLAY_TRANSFORM_0; 949 transform = 0; 950 951 PipeArgs parg(mdpFlags, whf, z, isFg, 952 static_cast<eRotFlags>(rotFlags), layer->planeAlpha, 953 (ovutils::eBlending) getBlending(layer->blending)); 954 955 if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) { 956 ALOGE("%s: commit failed for low res panel", __FUNCTION__); 957 ctx->mLayerRotMap[dpy]->reset(); 958 return -1; 959 } 960 return 0; 961} 962 963int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer, 964 const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z, 965 const eIsFg& isFg, const eDest& lDest, const eDest& rDest, 966 Rotator **rot) { 967 private_handle_t *hnd = (private_handle_t *)layer->handle; 968 if(!hnd) { 969 ALOGE("%s: layer handle is NULL", __FUNCTION__); 970 return -1; 971 } 972 973 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata; 974 975 int hw_w = ctx->dpyAttr[dpy].xres; 976 int hw_h = ctx->dpyAttr[dpy].yres; 977 hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf); 978 hwc_rect_t dst = layer->displayFrame; 979 int transform = layer->transform; 980 eTransform orient = static_cast<eTransform>(transform); 981 const int downscale = 0; 982 int rotFlags = ROT_FLAGS_NONE; 983 984 Whf whf(getWidth(hnd), getHeight(hnd), 985 getMdpFormat(hnd->format), hnd->size); 986 987 setMdpFlags(layer, mdpFlagsL, 0); 988 trimLayer(ctx, dpy, transform, crop, dst); 989 990 //Will do something only if feature enabled and conditions suitable 991 //hollow call otherwise 992 if(ctx->mAD->prepare(ctx, crop, whf, hnd)) { 993 overlay::Writeback *wb = overlay::Writeback::getInstance(); 994 whf.format = wb->getOutputFormat(); 995 } 996 997 if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) { 998 (*rot) = ctx->mRotMgr->getNext(); 999 if((*rot) == NULL) return -1; 1000 //Configure rotator for pre-rotation 1001 if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) { 1002 ALOGE("%s: configRotator failed!", __FUNCTION__); 1003 ctx->mOverlay->clear(dpy); 1004 return -1; 1005 } 1006 ctx->mLayerRotMap[dpy]->add(layer, *rot); 1007 whf.format = (*rot)->getDstFormat(); 1008 updateSource(orient, whf, crop); 1009 rotFlags |= ROT_PREROTATED; 1010 } 1011 1012 eMdpFlags mdpFlagsR = mdpFlagsL; 1013 setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER); 1014 1015 hwc_rect_t tmp_cropL, tmp_dstL; 1016 hwc_rect_t tmp_cropR, tmp_dstR; 1017 1018 const int lSplit = getLeftSplit(ctx, dpy); 1019 1020 if(lDest != OV_INVALID) { 1021 tmp_cropL = crop; 1022 tmp_dstL = dst; 1023 hwc_rect_t scissor = {0, 0, lSplit, hw_h }; 1024 qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0); 1025 } 1026 if(rDest != OV_INVALID) { 1027 tmp_cropR = crop; 1028 tmp_dstR = dst; 1029 hwc_rect_t scissor = {lSplit, 0, hw_w, hw_h }; 1030 qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0); 1031 } 1032 1033 //When buffer is H-flipped, contents of mixer config also needs to swapped 1034 //Not needed if the layer is confined to one half of the screen. 1035 //If rotator has been used then it has also done the flips, so ignore them. 1036 if((orient & OVERLAY_TRANSFORM_FLIP_H) && lDest != OV_INVALID 1037 && rDest != OV_INVALID && (*rot) == NULL) { 1038 hwc_rect_t new_cropR; 1039 new_cropR.left = tmp_cropL.left; 1040 new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left); 1041 1042 hwc_rect_t new_cropL; 1043 new_cropL.left = new_cropR.right; 1044 new_cropL.right = tmp_cropR.right; 1045 1046 tmp_cropL.left = new_cropL.left; 1047 tmp_cropL.right = new_cropL.right; 1048 1049 tmp_cropR.left = new_cropR.left; 1050 tmp_cropR.right = new_cropR.right; 1051 1052 } 1053 1054 //For the mdp, since either we are pre-rotating or MDP does flips 1055 orient = OVERLAY_TRANSFORM_0; 1056 transform = 0; 1057 1058 //configure left mixer 1059 if(lDest != OV_INVALID) { 1060 PipeArgs pargL(mdpFlagsL, whf, z, isFg, 1061 static_cast<eRotFlags>(rotFlags), layer->planeAlpha, 1062 (ovutils::eBlending) getBlending(layer->blending)); 1063 1064 if(configMdp(ctx->mOverlay, pargL, orient, 1065 tmp_cropL, tmp_dstL, metadata, lDest) < 0) { 1066 ALOGE("%s: commit failed for left mixer config", __FUNCTION__); 1067 return -1; 1068 } 1069 } 1070 1071 //configure right mixer 1072 if(rDest != OV_INVALID) { 1073 PipeArgs pargR(mdpFlagsR, whf, z, isFg, 1074 static_cast<eRotFlags>(rotFlags), layer->planeAlpha, 1075 (ovutils::eBlending) getBlending(layer->blending)); 1076 1077 tmp_dstR.right = tmp_dstR.right - lSplit; 1078 tmp_dstR.left = tmp_dstR.left - lSplit; 1079 if(configMdp(ctx->mOverlay, pargR, orient, 1080 tmp_cropR, tmp_dstR, metadata, rDest) < 0) { 1081 ALOGE("%s: commit failed for right mixer config", __FUNCTION__); 1082 return -1; 1083 } 1084 } 1085 1086 return 0; 1087} 1088 1089bool canUseRotator(hwc_context_t *ctx, int dpy) { 1090 if(qdutils::MDPVersion::getInstance().is8x26() && 1091 ctx->mExtDisplay->isExternalConnected()) { 1092 return false; 1093 } 1094 if(ctx->mMDP.version == qdutils::MDP_V3_0_4) 1095 return false; 1096 return true; 1097} 1098 1099int getLeftSplit(hwc_context_t *ctx, const int& dpy) { 1100 //Default even split for all displays with high res 1101 int lSplit = ctx->dpyAttr[dpy].xres / 2; 1102 if(dpy == HWC_DISPLAY_PRIMARY && 1103 qdutils::MDPVersion::getInstance().getLeftSplit()) { 1104 //Override if split published by driver for primary 1105 lSplit = qdutils::MDPVersion::getInstance().getLeftSplit(); 1106 } 1107 return lSplit; 1108} 1109 1110void setupSecondaryObjs(hwc_context_t *ctx, const int& dpy) { 1111 const int rSplit = 0; 1112 ctx->mFBUpdate[dpy] = 1113 IFBUpdate::getObject(ctx->dpyAttr[dpy].xres, rSplit, dpy); 1114 ctx->mMDPComp[dpy] = MDPComp::getObject( 1115 ctx->dpyAttr[dpy].xres, rSplit, dpy); 1116 1117 int compositionType = 1118 qdutils::QCCompositionType::getInstance().getCompositionType(); 1119 if (compositionType & (qdutils::COMPOSITION_TYPE_DYN | 1120 qdutils::COMPOSITION_TYPE_MDP | 1121 qdutils::COMPOSITION_TYPE_C2D)) { 1122 ctx->mCopyBit[dpy] = new CopyBit(); 1123 } 1124} 1125 1126void clearSecondaryObjs(hwc_context_t *ctx, const int& dpy) { 1127 if(ctx->mFBUpdate[dpy]) { 1128 delete ctx->mFBUpdate[dpy]; 1129 ctx->mFBUpdate[dpy] = NULL; 1130 } 1131 if(ctx->mCopyBit[dpy]){ 1132 delete ctx->mCopyBit[dpy]; 1133 ctx->mCopyBit[dpy] = NULL; 1134 } 1135 if(ctx->mMDPComp[dpy]) { 1136 delete ctx->mMDPComp[dpy]; 1137 ctx->mMDPComp[dpy] = NULL; 1138 } 1139} 1140 1141void BwcPM::setBwc(hwc_context_t *ctx, const hwc_rect_t& crop, 1142 const hwc_rect_t& dst, const int& transform, 1143 ovutils::eMdpFlags& mdpFlags) { 1144 //Target doesnt support Bwc 1145 if(!qdutils::MDPVersion::getInstance().supportsBWC()) { 1146 return; 1147 } 1148 //src width > MAX mixer supported dim 1149 if((crop.right - crop.left) > qdutils::MAX_DISPLAY_DIM) { 1150 return; 1151 } 1152 //External connected 1153 if(ctx->mExtDisplay->isExternalConnected()) { 1154 return; 1155 } 1156 //Decimation necessary, cannot use BWC. H/W requirement. 1157 if(qdutils::MDPVersion::getInstance().supportsDecimation()) { 1158 int src_w = crop.right - crop.left; 1159 int src_h = crop.bottom - crop.top; 1160 int dst_w = dst.right - dst.left; 1161 int dst_h = dst.bottom - dst.top; 1162 if(transform & HAL_TRANSFORM_ROT_90) { 1163 swap(src_w, src_h); 1164 } 1165 float horDscale = 0.0f; 1166 float verDscale = 0.0f; 1167 int horzDeci = 0; 1168 int vertDeci = 0; 1169 ovutils::getDecimationFactor(src_w, src_h, dst_w, dst_h, horDscale, 1170 verDscale); 1171 //TODO Use log2f once math.h has it 1172 if((int)horDscale) 1173 horzDeci = (int)(log(horDscale) / log(2)); 1174 if((int)verDscale) 1175 vertDeci = (int)(log(verDscale) / log(2)); 1176 if(horzDeci || vertDeci) return; 1177 } 1178 //Property 1179 char value[PROPERTY_VALUE_MAX]; 1180 property_get("debug.disable.bwc", value, "0"); 1181 if(atoi(value)) return; 1182 1183 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDSS_MDP_BWC_EN); 1184} 1185 1186void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) { 1187 if(mCount >= MAX_SESS) return; 1188 mLayer[mCount] = layer; 1189 mRot[mCount] = rot; 1190 mCount++; 1191} 1192 1193void LayerRotMap::reset() { 1194 for (int i = 0; i < MAX_SESS; i++) { 1195 mLayer[i] = 0; 1196 mRot[i] = 0; 1197 } 1198 mCount = 0; 1199} 1200 1201void LayerRotMap::setReleaseFd(const int& fence) { 1202 for(uint32_t i = 0; i < mCount; i++) { 1203 mRot[i]->setReleaseFd(dup(fence)); 1204 } 1205} 1206 1207};//namespace qhwc 1208