hwc_utils.cpp revision b434b98715e4bfe9b8bfb0ac34f33e695aa9891d
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 586void closeAcquireFds(hwc_display_contents_1_t* list, int dpy) { 587 if(LIKELY(list)) { 588 for(uint32_t i = 0; i < list->numHwLayers; i++) { 589 //Close the acquireFenceFds 590 //HWC_FRAMEBUFFER are -1 already by SF, rest we close. 591 if(list->hwLayers[i].acquireFenceFd >= 0) { 592 close(list->hwLayers[i].acquireFenceFd); 593 list->hwLayers[i].acquireFenceFd = -1; 594 } 595 } 596 597 //Writeback 598 if(dpy > HWC_DISPLAY_EXTERNAL && list->outbufAcquireFenceFd >= 0) { 599 close(list->outbufAcquireFenceFd); 600 list->outbufAcquireFenceFd = -1; 601 } 602 } 603} 604 605int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy, 606 int fd) { 607 ATRACE_CALL(); 608 int ret = 0; 609 int acquireFd[MAX_NUM_APP_LAYERS]; 610 int count = 0; 611 int releaseFd = -1; 612 int retireFd = -1; 613 int fbFd = -1; 614 bool swapzero = false; 615 int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion(); 616 617 struct mdp_buf_sync data; 618 memset(&data, 0, sizeof(data)); 619 data.acq_fen_fd = acquireFd; 620 data.rel_fen_fd = &releaseFd; 621 data.retire_fen_fd = &retireFd; 622 623 char property[PROPERTY_VALUE_MAX]; 624 if(property_get("debug.egl.swapinterval", property, "1") > 0) { 625 if(atoi(property) == 0) 626 swapzero = true; 627 } 628 629 for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) { 630 int rotFd = ctx->mRotMgr->getRotDevFd(); 631 int rotReleaseFd = -1; 632 int rotRetireFd = -1; 633 struct mdp_buf_sync rotData; 634 memset(&rotData, 0, sizeof(rotData)); 635 rotData.acq_fen_fd = 636 &ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd; 637 rotData.rel_fen_fd = &rotReleaseFd; //driver to populate this 638 rotData.retire_fen_fd = &rotRetireFd; 639 rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId(); 640 int ret = 0; 641 ret = ioctl(rotFd, MSMFB_BUFFER_SYNC, &rotData); 642 if(ret < 0) { 643 ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed for rot sync, err=%s", 644 __FUNCTION__, strerror(errno)); 645 } else { 646 close(ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd); 647 //For MDP to wait on. 648 ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd = 649 dup(rotReleaseFd); 650 //A buffer is free to be used by producer as soon as its copied to 651 //rotator 652 ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd = 653 rotReleaseFd; 654 //Not used for rotator 655 close(rotRetireFd); 656 } 657 } 658 659 //Accumulate acquireFenceFds for MDP 660 if(dpy > HWC_DISPLAY_EXTERNAL && list->outbufAcquireFenceFd >= 0) { 661 //Writeback output buffer 662 acquireFd[count++] = list->outbufAcquireFenceFd; 663 } 664 665 for(uint32_t i = 0; i < list->numHwLayers; i++) { 666 if(list->hwLayers[i].compositionType == HWC_OVERLAY && 667 list->hwLayers[i].acquireFenceFd >= 0) { 668 if(UNLIKELY(swapzero)) 669 acquireFd[count++] = -1; 670 else 671 acquireFd[count++] = list->hwLayers[i].acquireFenceFd; 672 } 673 if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) { 674 if(UNLIKELY(swapzero)) 675 acquireFd[count++] = -1; 676 else if(fd >= 0) { 677 //set the acquireFD from fd - which is coming from c2d 678 acquireFd[count++] = fd; 679 // Buffer sync IOCTL should be async when using c2d fence is 680 // used 681 data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT; 682 } else if(list->hwLayers[i].acquireFenceFd >= 0) 683 acquireFd[count++] = list->hwLayers[i].acquireFenceFd; 684 } 685 } 686 687 data.acq_fen_fd_cnt = count; 688 fbFd = ctx->dpyAttr[dpy].fd; 689 690 //Waits for acquire fences, returns a release fence 691 if(LIKELY(!swapzero)) { 692 uint64_t start = systemTime(); 693 ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data); 694 ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d", 695 __FUNCTION__, (size_t) ns2ms(systemTime() - start)); 696 } 697 698 if(ret < 0) { 699 ALOGE("%s: ioctl MSMFB_BUFFER_SYNC failed, err=%s", 700 __FUNCTION__, strerror(errno)); 701 ALOGE("%s: acq_fen_fd_cnt=%d flags=%d fd=%d dpy=%d numHwLayers=%d", 702 __FUNCTION__, data.acq_fen_fd_cnt, data.flags, fbFd, 703 dpy, list->numHwLayers); 704 } 705 706 for(uint32_t i = 0; i < list->numHwLayers; i++) { 707 if(list->hwLayers[i].compositionType == HWC_OVERLAY || 708 list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) { 709 //Populate releaseFenceFds. 710 if(UNLIKELY(swapzero)) { 711 list->hwLayers[i].releaseFenceFd = -1; 712 } else if(list->hwLayers[i].releaseFenceFd < 0) { 713 //If rotator has not already populated this field. 714 list->hwLayers[i].releaseFenceFd = dup(releaseFd); 715 } 716 } 717 } 718 719 if(fd >= 0) { 720 close(fd); 721 fd = -1; 722 } 723 724 if (ctx->mCopyBit[dpy]) 725 ctx->mCopyBit[dpy]->setReleaseFd(releaseFd); 726 727 //Signals when MDP finishes reading rotator buffers. 728 ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd); 729 close(releaseFd); 730 731 if(UNLIKELY(swapzero)) 732 list->retireFenceFd = -1; 733 else 734 list->retireFenceFd = retireFd; 735 return ret; 736} 737 738void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform, 739 hwc_rect_t& crop, hwc_rect_t& dst) { 740 int hw_w = ctx->dpyAttr[dpy].xres; 741 int hw_h = ctx->dpyAttr[dpy].yres; 742 if(dst.left < 0 || dst.top < 0 || 743 dst.right > hw_w || dst.bottom > hw_h) { 744 hwc_rect_t scissor = {0, 0, hw_w, hw_h }; 745 qhwc::calculate_crop_rects(crop, dst, scissor, transform); 746 } 747} 748 749void setMdpFlags(hwc_layer_1_t *layer, 750 ovutils::eMdpFlags &mdpFlags, 751 int rotDownscale) { 752 private_handle_t *hnd = (private_handle_t *)layer->handle; 753 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata; 754 const int& transform = layer->transform; 755 756 if(layer->blending == HWC_BLENDING_PREMULT) { 757 ovutils::setMdpFlags(mdpFlags, 758 ovutils::OV_MDP_BLEND_FG_PREMULT); 759 } 760 761 if(isYuvBuffer(hnd)) { 762 if(isSecureBuffer(hnd)) { 763 ovutils::setMdpFlags(mdpFlags, 764 ovutils::OV_MDP_SECURE_OVERLAY_SESSION); 765 } 766 if(metadata && (metadata->operation & PP_PARAM_INTERLACED) && 767 metadata->interlaced) { 768 ovutils::setMdpFlags(mdpFlags, 769 ovutils::OV_MDP_DEINTERLACE); 770 } 771 //Pre-rotation will be used using rotator. 772 if(transform & HWC_TRANSFORM_ROT_90) { 773 ovutils::setMdpFlags(mdpFlags, 774 ovutils::OV_MDP_SOURCE_ROTATED_90); 775 } 776 } 777 778 //No 90 component and no rot-downscale then flips done by MDP 779 //If we use rot then it might as well do flips 780 if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) { 781 if(layer->transform & HWC_TRANSFORM_FLIP_H) { 782 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H); 783 } 784 785 if(layer->transform & HWC_TRANSFORM_FLIP_V) { 786 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_V); 787 } 788 } 789 790 if(metadata && 791 ((metadata->operation & PP_PARAM_HSIC) 792 || (metadata->operation & PP_PARAM_IGC) 793 || (metadata->operation & PP_PARAM_SHARP2))) { 794 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN); 795 } 796} 797 798int configRotator(Rotator *rot, const Whf& whf, 799 hwc_rect_t& crop, const eMdpFlags& mdpFlags, 800 const eTransform& orient, const int& downscale) { 801 rot->setSource(whf); 802 803 if (qdutils::MDPVersion::getInstance().getMDPVersion() >= 804 qdutils::MDSS_V5) { 805 uint32_t crop_w = (crop.right - crop.left); 806 uint32_t crop_h = (crop.bottom - crop.top); 807 if (ovutils::isYuv(whf.format)) { 808 ovutils::normalizeCrop((uint32_t&)crop.left, crop_w); 809 ovutils::normalizeCrop((uint32_t&)crop.top, crop_h); 810 // For interlaced, crop.h should be 4-aligned 811 if ((mdpFlags & ovutils::OV_MDP_DEINTERLACE) && (crop_h % 4)) 812 crop_h = ovutils::aligndown(crop_h, 4); 813 crop.right = crop.left + crop_w; 814 crop.bottom = crop.top + crop_h; 815 } 816 Dim rotCrop(crop.left, crop.top, crop_w, crop_h); 817 rot->setCrop(rotCrop); 818 } 819 820 rot->setFlags(mdpFlags); 821 rot->setTransform(orient); 822 rot->setDownscale(downscale); 823 if(!rot->commit()) return -1; 824 return 0; 825} 826 827int configMdp(Overlay *ov, const PipeArgs& parg, 828 const eTransform& orient, const hwc_rect_t& crop, 829 const hwc_rect_t& pos, const MetaData_t *metadata, 830 const eDest& dest) { 831 ov->setSource(parg, dest); 832 ov->setTransform(orient, dest); 833 834 int crop_w = crop.right - crop.left; 835 int crop_h = crop.bottom - crop.top; 836 Dim dcrop(crop.left, crop.top, crop_w, crop_h); 837 ov->setCrop(dcrop, dest); 838 839 int posW = pos.right - pos.left; 840 int posH = pos.bottom - pos.top; 841 Dim position(pos.left, pos.top, posW, posH); 842 ov->setPosition(position, dest); 843 844 if (metadata) 845 ov->setVisualParams(*metadata, dest); 846 847 if (!ov->commit(dest)) { 848 return -1; 849 } 850 return 0; 851} 852 853void updateSource(eTransform& orient, Whf& whf, 854 hwc_rect_t& crop) { 855 Dim srcCrop(crop.left, crop.top, 856 crop.right - crop.left, 857 crop.bottom - crop.top); 858 orient = static_cast<eTransform>(ovutils::getMdpOrient(orient)); 859 preRotateSource(orient, whf, srcCrop); 860 if (qdutils::MDPVersion::getInstance().getMDPVersion() >= 861 qdutils::MDSS_V5) { 862 // Source for overlay will be the cropped (and rotated) 863 crop.left = 0; 864 crop.top = 0; 865 crop.right = srcCrop.w; 866 crop.bottom = srcCrop.h; 867 // Set width & height equal to sourceCrop w & h 868 whf.w = srcCrop.w; 869 whf.h = srcCrop.h; 870 } else { 871 crop.left = srcCrop.x; 872 crop.top = srcCrop.y; 873 crop.right = srcCrop.x + srcCrop.w; 874 crop.bottom = srcCrop.y + srcCrop.h; 875 } 876} 877 878int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer, 879 const int& dpy, eMdpFlags& mdpFlags, const eZorder& z, 880 const eIsFg& isFg, const eDest& dest, Rotator **rot) { 881 882 private_handle_t *hnd = (private_handle_t *)layer->handle; 883 if(!hnd) { 884 ALOGE("%s: layer handle is NULL", __FUNCTION__); 885 ctx->mLayerRotMap[dpy]->reset(); 886 return -1; 887 } 888 889 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata; 890 891 hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf); 892 hwc_rect_t dst = layer->displayFrame; 893 int transform = layer->transform; 894 eTransform orient = static_cast<eTransform>(transform); 895 int downscale = 0; 896 int rotFlags = ovutils::ROT_FLAGS_NONE; 897 Whf whf(getWidth(hnd), getHeight(hnd), 898 getMdpFormat(hnd->format), hnd->size); 899 900 uint32_t x = dst.left, y = dst.top; 901 uint32_t w = dst.right - dst.left; 902 uint32_t h = dst.bottom - dst.top; 903 904 if(dpy) { 905 // Calculate the actionsafe dimensions for External(dpy = 1 or 2) 906 getActionSafePosition(ctx, dpy, x, y, w, h); 907 // Convert position to hwc_rect_t 908 dst.left = x; 909 dst.top = y; 910 dst.right = w + dst.left; 911 dst.bottom = h + dst.top; 912 } 913 914 if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 && 915 ctx->mMDP.version < qdutils::MDSS_V5) { 916 downscale = getDownscaleFactor( 917 crop.right - crop.left, 918 crop.bottom - crop.top, 919 dst.right - dst.left, 920 dst.bottom - dst.top); 921 if(downscale) { 922 rotFlags = ROT_DOWNSCALE_ENABLED; 923 } 924 } 925 926 setMdpFlags(layer, mdpFlags, downscale); 927 trimLayer(ctx, dpy, transform, crop, dst); 928 929 //Will do something only if feature enabled and conditions suitable 930 //hollow call otherwise 931 if(ctx->mAD->prepare(ctx, crop, whf, hnd)) { 932 overlay::Writeback *wb = overlay::Writeback::getInstance(); 933 whf.format = wb->getOutputFormat(); 934 } 935 936 if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot 937 ((transform & HWC_TRANSFORM_ROT_90) || downscale)) { 938 *rot = ctx->mRotMgr->getNext(); 939 if(*rot == NULL) return -1; 940 BwcPM::setBwc(ctx, crop, dst, transform, mdpFlags); 941 //Configure rotator for pre-rotation 942 if(configRotator(*rot, whf, crop, mdpFlags, orient, downscale) < 0) { 943 ALOGE("%s: configRotator failed!", __FUNCTION__); 944 ctx->mOverlay->clear(dpy); 945 return -1; 946 } 947 ctx->mLayerRotMap[dpy]->add(layer, *rot); 948 whf.format = (*rot)->getDstFormat(); 949 updateSource(orient, whf, crop); 950 rotFlags |= ovutils::ROT_PREROTATED; 951 } 952 953 //For the mdp, since either we are pre-rotating or MDP does flips 954 orient = OVERLAY_TRANSFORM_0; 955 transform = 0; 956 957 PipeArgs parg(mdpFlags, whf, z, isFg, 958 static_cast<eRotFlags>(rotFlags), layer->planeAlpha, 959 (ovutils::eBlending) getBlending(layer->blending)); 960 961 if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) { 962 ALOGE("%s: commit failed for low res panel", __FUNCTION__); 963 ctx->mLayerRotMap[dpy]->reset(); 964 return -1; 965 } 966 return 0; 967} 968 969int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer, 970 const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z, 971 const eIsFg& isFg, const eDest& lDest, const eDest& rDest, 972 Rotator **rot) { 973 private_handle_t *hnd = (private_handle_t *)layer->handle; 974 if(!hnd) { 975 ALOGE("%s: layer handle is NULL", __FUNCTION__); 976 return -1; 977 } 978 979 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata; 980 981 int hw_w = ctx->dpyAttr[dpy].xres; 982 int hw_h = ctx->dpyAttr[dpy].yres; 983 hwc_rect_t crop = integerizeSourceCrop(layer->sourceCropf); 984 hwc_rect_t dst = layer->displayFrame; 985 int transform = layer->transform; 986 eTransform orient = static_cast<eTransform>(transform); 987 const int downscale = 0; 988 int rotFlags = ROT_FLAGS_NONE; 989 990 Whf whf(getWidth(hnd), getHeight(hnd), 991 getMdpFormat(hnd->format), hnd->size); 992 993 setMdpFlags(layer, mdpFlagsL, 0); 994 trimLayer(ctx, dpy, transform, crop, dst); 995 996 //Will do something only if feature enabled and conditions suitable 997 //hollow call otherwise 998 if(ctx->mAD->prepare(ctx, crop, whf, hnd)) { 999 overlay::Writeback *wb = overlay::Writeback::getInstance(); 1000 whf.format = wb->getOutputFormat(); 1001 } 1002 1003 if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) { 1004 (*rot) = ctx->mRotMgr->getNext(); 1005 if((*rot) == NULL) return -1; 1006 //Configure rotator for pre-rotation 1007 if(configRotator(*rot, whf, crop, mdpFlagsL, orient, downscale) < 0) { 1008 ALOGE("%s: configRotator failed!", __FUNCTION__); 1009 ctx->mOverlay->clear(dpy); 1010 return -1; 1011 } 1012 ctx->mLayerRotMap[dpy]->add(layer, *rot); 1013 whf.format = (*rot)->getDstFormat(); 1014 updateSource(orient, whf, crop); 1015 rotFlags |= ROT_PREROTATED; 1016 } 1017 1018 eMdpFlags mdpFlagsR = mdpFlagsL; 1019 setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER); 1020 1021 hwc_rect_t tmp_cropL, tmp_dstL; 1022 hwc_rect_t tmp_cropR, tmp_dstR; 1023 1024 const int lSplit = getLeftSplit(ctx, dpy); 1025 1026 if(lDest != OV_INVALID) { 1027 tmp_cropL = crop; 1028 tmp_dstL = dst; 1029 hwc_rect_t scissor = {0, 0, lSplit, hw_h }; 1030 qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0); 1031 } 1032 if(rDest != OV_INVALID) { 1033 tmp_cropR = crop; 1034 tmp_dstR = dst; 1035 hwc_rect_t scissor = {lSplit, 0, hw_w, hw_h }; 1036 qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0); 1037 } 1038 1039 //When buffer is H-flipped, contents of mixer config also needs to swapped 1040 //Not needed if the layer is confined to one half of the screen. 1041 //If rotator has been used then it has also done the flips, so ignore them. 1042 if((orient & OVERLAY_TRANSFORM_FLIP_H) && lDest != OV_INVALID 1043 && rDest != OV_INVALID && (*rot) == NULL) { 1044 hwc_rect_t new_cropR; 1045 new_cropR.left = tmp_cropL.left; 1046 new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left); 1047 1048 hwc_rect_t new_cropL; 1049 new_cropL.left = new_cropR.right; 1050 new_cropL.right = tmp_cropR.right; 1051 1052 tmp_cropL.left = new_cropL.left; 1053 tmp_cropL.right = new_cropL.right; 1054 1055 tmp_cropR.left = new_cropR.left; 1056 tmp_cropR.right = new_cropR.right; 1057 1058 } 1059 1060 //For the mdp, since either we are pre-rotating or MDP does flips 1061 orient = OVERLAY_TRANSFORM_0; 1062 transform = 0; 1063 1064 //configure left mixer 1065 if(lDest != OV_INVALID) { 1066 PipeArgs pargL(mdpFlagsL, whf, z, isFg, 1067 static_cast<eRotFlags>(rotFlags), layer->planeAlpha, 1068 (ovutils::eBlending) getBlending(layer->blending)); 1069 1070 if(configMdp(ctx->mOverlay, pargL, orient, 1071 tmp_cropL, tmp_dstL, metadata, lDest) < 0) { 1072 ALOGE("%s: commit failed for left mixer config", __FUNCTION__); 1073 return -1; 1074 } 1075 } 1076 1077 //configure right mixer 1078 if(rDest != OV_INVALID) { 1079 PipeArgs pargR(mdpFlagsR, whf, z, isFg, 1080 static_cast<eRotFlags>(rotFlags), layer->planeAlpha, 1081 (ovutils::eBlending) getBlending(layer->blending)); 1082 1083 tmp_dstR.right = tmp_dstR.right - lSplit; 1084 tmp_dstR.left = tmp_dstR.left - lSplit; 1085 if(configMdp(ctx->mOverlay, pargR, orient, 1086 tmp_cropR, tmp_dstR, metadata, rDest) < 0) { 1087 ALOGE("%s: commit failed for right mixer config", __FUNCTION__); 1088 return -1; 1089 } 1090 } 1091 1092 return 0; 1093} 1094 1095bool canUseRotator(hwc_context_t *ctx, int dpy) { 1096 if(qdutils::MDPVersion::getInstance().is8x26() && 1097 isSecondaryConnected(ctx)) { 1098 return false; 1099 } 1100 if(ctx->mMDP.version == qdutils::MDP_V3_0_4) 1101 return false; 1102 return true; 1103} 1104 1105int getLeftSplit(hwc_context_t *ctx, const int& dpy) { 1106 //Default even split for all displays with high res 1107 int lSplit = ctx->dpyAttr[dpy].xres / 2; 1108 if(dpy == HWC_DISPLAY_PRIMARY && 1109 qdutils::MDPVersion::getInstance().getLeftSplit()) { 1110 //Override if split published by driver for primary 1111 lSplit = qdutils::MDPVersion::getInstance().getLeftSplit(); 1112 } 1113 return lSplit; 1114} 1115 1116void setupSecondaryObjs(hwc_context_t *ctx, const int& dpy) { 1117 const int rSplit = 0; 1118 ctx->mFBUpdate[dpy] = 1119 IFBUpdate::getObject(ctx->dpyAttr[dpy].xres, rSplit, dpy); 1120 ctx->mMDPComp[dpy] = MDPComp::getObject( 1121 ctx->dpyAttr[dpy].xres, rSplit, dpy); 1122 1123 int compositionType = 1124 qdutils::QCCompositionType::getInstance().getCompositionType(); 1125 if (compositionType & (qdutils::COMPOSITION_TYPE_DYN | 1126 qdutils::COMPOSITION_TYPE_MDP | 1127 qdutils::COMPOSITION_TYPE_C2D)) { 1128 ctx->mCopyBit[dpy] = new CopyBit(); 1129 } 1130 1131 if(ctx->mFBUpdate[dpy]) 1132 ctx->mFBUpdate[dpy]->reset(); 1133 if(ctx->mMDPComp[dpy]) 1134 ctx->mMDPComp[dpy]->reset(); 1135 if(ctx->mCopyBit[dpy]) 1136 ctx->mCopyBit[dpy]->reset(); 1137} 1138 1139void clearSecondaryObjs(hwc_context_t *ctx, const int& dpy) { 1140 if(ctx->mFBUpdate[dpy]) { 1141 delete ctx->mFBUpdate[dpy]; 1142 ctx->mFBUpdate[dpy] = NULL; 1143 } 1144 if(ctx->mCopyBit[dpy]){ 1145 delete ctx->mCopyBit[dpy]; 1146 ctx->mCopyBit[dpy] = NULL; 1147 } 1148 if(ctx->mMDPComp[dpy]) { 1149 delete ctx->mMDPComp[dpy]; 1150 ctx->mMDPComp[dpy] = NULL; 1151 } 1152} 1153 1154bool isGLESOnlyComp(hwc_context_t *ctx, const int& dpy) { 1155 if(ctx->mMDPComp[dpy]) { 1156 return (ctx->mMDPComp[dpy]->getMDPCompCount() == 0); 1157 } 1158 return true; 1159} 1160 1161void BwcPM::setBwc(hwc_context_t *ctx, const hwc_rect_t& crop, 1162 const hwc_rect_t& dst, const int& transform, 1163 ovutils::eMdpFlags& mdpFlags) { 1164 //Target doesnt support Bwc 1165 if(!qdutils::MDPVersion::getInstance().supportsBWC()) { 1166 return; 1167 } 1168 //src width > MAX mixer supported dim 1169 if((crop.right - crop.left) > qdutils::MAX_DISPLAY_DIM) { 1170 return; 1171 } 1172 //Secondary display connected 1173 if(isSecondaryConnected(ctx)) { 1174 return; 1175 } 1176 //Decimation necessary, cannot use BWC. H/W requirement. 1177 if(qdutils::MDPVersion::getInstance().supportsDecimation()) { 1178 int src_w = crop.right - crop.left; 1179 int src_h = crop.bottom - crop.top; 1180 int dst_w = dst.right - dst.left; 1181 int dst_h = dst.bottom - dst.top; 1182 if(transform & HAL_TRANSFORM_ROT_90) { 1183 swap(src_w, src_h); 1184 } 1185 float horDscale = 0.0f; 1186 float verDscale = 0.0f; 1187 int horzDeci = 0; 1188 int vertDeci = 0; 1189 ovutils::getDecimationFactor(src_w, src_h, dst_w, dst_h, horDscale, 1190 verDscale); 1191 //TODO Use log2f once math.h has it 1192 if((int)horDscale) 1193 horzDeci = (int)(log(horDscale) / log(2)); 1194 if((int)verDscale) 1195 vertDeci = (int)(log(verDscale) / log(2)); 1196 if(horzDeci || vertDeci) return; 1197 } 1198 //Property 1199 char value[PROPERTY_VALUE_MAX]; 1200 property_get("debug.disable.bwc", value, "0"); 1201 if(atoi(value)) return; 1202 1203 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDSS_MDP_BWC_EN); 1204} 1205 1206void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) { 1207 if(mCount >= MAX_SESS) return; 1208 mLayer[mCount] = layer; 1209 mRot[mCount] = rot; 1210 mCount++; 1211} 1212 1213void LayerRotMap::reset() { 1214 for (int i = 0; i < MAX_SESS; i++) { 1215 mLayer[i] = 0; 1216 mRot[i] = 0; 1217 } 1218 mCount = 0; 1219} 1220 1221void LayerRotMap::setReleaseFd(const int& fence) { 1222 for(uint32_t i = 0; i < mCount; i++) { 1223 mRot[i]->setReleaseFd(dup(fence)); 1224 } 1225} 1226 1227};//namespace qhwc 1228