hwc_utils.cpp revision 9449eb8d19ce1af2ef31c15189a90aef3fad4e73
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 HWC_UTILS_DEBUG 0 21#include <sys/ioctl.h> 22#include <binder/IServiceManager.h> 23#include <EGL/egl.h> 24#include <cutils/properties.h> 25#include <gralloc_priv.h> 26#include <overlay.h> 27#include <overlayRotator.h> 28#include "hwc_utils.h" 29#include "hwc_mdpcomp.h" 30#include "hwc_fbupdate.h" 31#include "hwc_video.h" 32#include "mdp_version.h" 33#include "hwc_copybit.h" 34#include "external.h" 35#include "hwc_qclient.h" 36#include "QService.h" 37#include "comptype.h" 38 39using namespace qClient; 40using namespace qService; 41using namespace android; 42using namespace overlay; 43using namespace overlay::utils; 44namespace ovutils = overlay::utils; 45 46namespace qhwc { 47 48static int openFramebufferDevice(hwc_context_t *ctx) 49{ 50 struct fb_fix_screeninfo finfo; 51 struct fb_var_screeninfo info; 52 53 int fb_fd = openFb(HWC_DISPLAY_PRIMARY); 54 55 if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1) 56 return -errno; 57 58 if (int(info.width) <= 0 || int(info.height) <= 0) { 59 // the driver doesn't return that information 60 // default to 160 dpi 61 info.width = ((info.xres * 25.4f)/160.0f + 0.5f); 62 info.height = ((info.yres * 25.4f)/160.0f + 0.5f); 63 } 64 65 float xdpi = (info.xres * 25.4f) / info.width; 66 float ydpi = (info.yres * 25.4f) / info.height; 67 68#ifdef MSMFB_METADATA_GET 69 struct msmfb_metadata metadata; 70 memset(&metadata, 0 , sizeof(metadata)); 71 metadata.op = metadata_op_frame_rate; 72 73 if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) { 74 ALOGE("Error retrieving panel frame rate"); 75 return -errno; 76 } 77 78 float fps = metadata.data.panel_frame_rate; 79#else 80 //XXX: Remove reserved field usage on all baselines 81 //The reserved[3] field is used to store FPS by the driver. 82 float fps = info.reserved[3] & 0xFF; 83#endif 84 85 if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1) 86 return -errno; 87 88 if (finfo.smem_len <= 0) 89 return -errno; 90 91 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd; 92 //xres, yres may not be 32 aligned 93 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8); 94 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres; 95 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres; 96 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi; 97 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi; 98 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps; 99 100 return 0; 101} 102 103void initContext(hwc_context_t *ctx) 104{ 105 if(openFramebufferDevice(ctx) < 0) { 106 ALOGE("%s: failed to open framebuffer!!", __FUNCTION__); 107 } 108 109 overlay::Overlay::initOverlay(); 110 ctx->mOverlay = overlay::Overlay::getInstance(); 111 ctx->mRotMgr = new RotMgr(); 112 ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion(); 113 ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay(); 114 ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType(); 115 overlay::Overlay::initOverlay(); 116 ctx->mOverlay = overlay::Overlay::getInstance(); 117 ctx->mRotMgr = new RotMgr(); 118 119 //Is created and destroyed only once for primary 120 //For external it could get created and destroyed multiple times depending 121 //on what external we connect to. 122 ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] = 123 IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres, 124 HWC_DISPLAY_PRIMARY); 125 126 ctx->mVidOv[HWC_DISPLAY_PRIMARY] = 127 IVideoOverlay::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres, 128 HWC_DISPLAY_PRIMARY); 129 130 char value[PROPERTY_VALUE_MAX]; 131 // Check if the target supports copybit compostion (dyn/mdp/c2d) to 132 // decide if we need to open the copybit module. 133 int compositionType = 134 qdutils::QCCompositionType::getInstance().getCompositionType(); 135 136 if (compositionType & (qdutils::COMPOSITION_TYPE_DYN | 137 qdutils::COMPOSITION_TYPE_MDP | 138 qdutils::COMPOSITION_TYPE_C2D)) { 139 ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit(); 140 } 141 142 ctx->mExtDisplay = new ExternalDisplay(ctx); 143 for (uint32_t i = 0; i < MAX_DISPLAYS; i++) 144 ctx->mLayerCache[i] = new LayerCache(); 145 ctx->mMDPComp = MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres); 146 MDPComp::init(ctx); 147 148 pthread_mutex_init(&(ctx->vstate.lock), NULL); 149 pthread_cond_init(&(ctx->vstate.cond), NULL); 150 ctx->vstate.enable = false; 151 ctx->vstate.fakevsync = false; 152 ctx->mExtDispConfiguring = false; 153 154 //Right now hwc starts the service but anybody could do it, or it could be 155 //independent process as well. 156 QService::init(); 157 sp<IQClient> client = new QClient(ctx); 158 interface_cast<IQService>( 159 defaultServiceManager()->getService( 160 String16("display.qservice")))->connect(client); 161 162 ALOGI("Initializing Qualcomm Hardware Composer"); 163 ALOGI("MDP version: %d", ctx->mMDP.version); 164} 165 166void closeContext(hwc_context_t *ctx) 167{ 168 if(ctx->mOverlay) { 169 delete ctx->mOverlay; 170 ctx->mOverlay = NULL; 171 } 172 173 if(ctx->mRotMgr) { 174 delete ctx->mRotMgr; 175 ctx->mRotMgr = NULL; 176 } 177 178 for(int i = 0; i < MAX_DISPLAYS; i++) { 179 if(ctx->mCopyBit[i]) { 180 delete ctx->mCopyBit[i]; 181 ctx->mCopyBit[i] = NULL; 182 } 183 } 184 185 if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) { 186 close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd); 187 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1; 188 } 189 190 if(ctx->mExtDisplay) { 191 delete ctx->mExtDisplay; 192 ctx->mExtDisplay = NULL; 193 } 194 195 for(int i = 0; i < MAX_DISPLAYS; i++) { 196 if(ctx->mFBUpdate[i]) { 197 delete ctx->mFBUpdate[i]; 198 ctx->mFBUpdate[i] = NULL; 199 } 200 if(ctx->mVidOv[i]) { 201 delete ctx->mVidOv[i]; 202 ctx->mVidOv[i] = NULL; 203 } 204 } 205 206 if(ctx->mMDPComp) { 207 delete ctx->mMDPComp; 208 ctx->mMDPComp = NULL; 209 } 210 211 pthread_mutex_destroy(&(ctx->vstate.lock)); 212 pthread_cond_destroy(&(ctx->vstate.cond)); 213} 214 215 216void dumpsys_log(android::String8& buf, const char* fmt, ...) 217{ 218 va_list varargs; 219 va_start(varargs, fmt); 220 buf.appendFormatV(fmt, varargs); 221 va_end(varargs); 222} 223 224/* Calculates the destination position based on the action safe rectangle */ 225void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x, 226 uint32_t& y, uint32_t& w, uint32_t& h) { 227 228 // if external supports underscan, do nothing 229 // it will be taken care in the driver 230 if(ctx->mExtDisplay->isCEUnderscanSupported()) 231 return; 232 233 float wRatio = 1.0; 234 float hRatio = 1.0; 235 float xRatio = 1.0; 236 float yRatio = 1.0; 237 238 float fbWidth = ctx->dpyAttr[dpy].xres; 239 float fbHeight = ctx->dpyAttr[dpy].yres; 240 241 float asX = 0; 242 float asY = 0; 243 float asW = fbWidth; 244 float asH= fbHeight; 245 char value[PROPERTY_VALUE_MAX]; 246 247 // Apply action safe parameters 248 property_get("hw.actionsafe.width", value, "0"); 249 int asWidthRatio = atoi(value); 250 property_get("hw.actionsafe.height", value, "0"); 251 int asHeightRatio = atoi(value); 252 // based on the action safe ratio, get the Action safe rectangle 253 asW = fbWidth * (1.0f - asWidthRatio / 100.0f); 254 asH = fbHeight * (1.0f - asHeightRatio / 100.0f); 255 asX = (fbWidth - asW) / 2; 256 asY = (fbHeight - asH) / 2; 257 258 // calculate the position ratio 259 xRatio = (float)x/fbWidth; 260 yRatio = (float)y/fbHeight; 261 wRatio = (float)w/fbWidth; 262 hRatio = (float)h/fbHeight; 263 264 //Calculate the position... 265 x = (xRatio * asW) + asX; 266 y = (yRatio * asH) + asY; 267 w = (wRatio * asW); 268 h = (hRatio * asH); 269 270 return; 271} 272 273bool needsScaling(hwc_layer_1_t const* layer) { 274 int dst_w, dst_h, src_w, src_h; 275 276 hwc_rect_t displayFrame = layer->displayFrame; 277 hwc_rect_t sourceCrop = layer->sourceCrop; 278 279 dst_w = displayFrame.right - displayFrame.left; 280 dst_h = displayFrame.bottom - displayFrame.top; 281 282 src_w = sourceCrop.right - sourceCrop.left; 283 src_h = sourceCrop.bottom - sourceCrop.top; 284 285 if(((src_w != dst_w) || (src_h != dst_h))) 286 return true; 287 288 return false; 289} 290 291bool isAlphaScaled(hwc_layer_1_t const* layer) { 292 if(needsScaling(layer) && isAlphaPresent(layer)) { 293 return true; 294 } 295 return false; 296} 297 298bool isAlphaPresent(hwc_layer_1_t const* layer) { 299 private_handle_t *hnd = (private_handle_t *)layer->handle; 300 if(hnd) { 301 int format = hnd->format; 302 switch(format) { 303 case HAL_PIXEL_FORMAT_RGBA_8888: 304 case HAL_PIXEL_FORMAT_BGRA_8888: 305 // In any more formats with Alpha go here.. 306 return true; 307 default : return false; 308 } 309 } 310 return false; 311} 312 313void setListStats(hwc_context_t *ctx, 314 const hwc_display_contents_1_t *list, int dpy) { 315 316 ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1; 317 ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1; 318 ctx->listStats[dpy].skipCount = 0; 319 ctx->listStats[dpy].needsAlphaScale = false; 320 ctx->listStats[dpy].yuvCount = 0; 321 322 for (size_t i = 0; i < list->numHwLayers; i++) { 323 hwc_layer_1_t const* layer = &list->hwLayers[i]; 324 private_handle_t *hnd = (private_handle_t *)layer->handle; 325 326 //reset stored yuv index 327 ctx->listStats[dpy].yuvIndices[i] = -1; 328 329 if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) { 330 continue; 331 //We disregard FB being skip for now! so the else if 332 } else if (isSkipLayer(&list->hwLayers[i])) { 333 ctx->listStats[dpy].skipCount++; 334 } else if (UNLIKELY(isYuvBuffer(hnd))) { 335 int& yuvCount = ctx->listStats[dpy].yuvCount; 336 ctx->listStats[dpy].yuvIndices[yuvCount] = i; 337 yuvCount++; 338 339 if(layer->transform & HWC_TRANSFORM_ROT_90) 340 ctx->mNeedsRotator = true; 341 } 342 343 if(!ctx->listStats[dpy].needsAlphaScale) 344 ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer); 345 } 346} 347 348 349static inline void calc_cut(float& leftCutRatio, float& topCutRatio, 350 float& rightCutRatio, float& bottomCutRatio, int orient) { 351 if(orient & HAL_TRANSFORM_FLIP_H) { 352 swap(leftCutRatio, rightCutRatio); 353 } 354 if(orient & HAL_TRANSFORM_FLIP_V) { 355 swap(topCutRatio, bottomCutRatio); 356 } 357 if(orient & HAL_TRANSFORM_ROT_90) { 358 //Anti clock swapping 359 float tmpCutRatio = leftCutRatio; 360 leftCutRatio = topCutRatio; 361 topCutRatio = rightCutRatio; 362 rightCutRatio = bottomCutRatio; 363 bottomCutRatio = tmpCutRatio; 364 } 365} 366 367bool isSecuring(hwc_context_t* ctx) { 368 if((ctx->mMDP.version < qdutils::MDSS_V5) && 369 (ctx->mMDP.version > qdutils::MDP_V3_0) && 370 ctx->mSecuring) { 371 return true; 372 } 373 return false; 374} 375 376bool isSecureModePolicy(int mdpVersion) { 377 if (mdpVersion < qdutils::MDSS_V5) 378 return true; 379 else 380 return false; 381} 382 383//Crops source buffer against destination and FB boundaries 384void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst, 385 const hwc_rect_t& scissor, int orient) { 386 387 int& crop_l = crop.left; 388 int& crop_t = crop.top; 389 int& crop_r = crop.right; 390 int& crop_b = crop.bottom; 391 int crop_w = crop.right - crop.left; 392 int crop_h = crop.bottom - crop.top; 393 394 int& dst_l = dst.left; 395 int& dst_t = dst.top; 396 int& dst_r = dst.right; 397 int& dst_b = dst.bottom; 398 int dst_w = abs(dst.right - dst.left); 399 int dst_h = abs(dst.bottom - dst.top); 400 401 const int& sci_l = scissor.left; 402 const int& sci_t = scissor.top; 403 const int& sci_r = scissor.right; 404 const int& sci_b = scissor.bottom; 405 int sci_w = abs(sci_r - sci_l); 406 int sci_h = abs(sci_b - sci_t); 407 408 float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f, 409 bottomCutRatio = 0.0f; 410 411 if(dst_l < sci_l) { 412 leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w; 413 dst_l = sci_l; 414 } 415 416 if(dst_r > sci_r) { 417 rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w; 418 dst_r = sci_r; 419 } 420 421 if(dst_t < sci_t) { 422 topCutRatio = (float)(sci_t - dst_t) / (float)dst_h; 423 dst_t = sci_t; 424 } 425 426 if(dst_b > sci_b) { 427 bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h; 428 dst_b = sci_b; 429 } 430 431 calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient); 432 crop_l += crop_w * leftCutRatio; 433 crop_t += crop_h * topCutRatio; 434 crop_r -= crop_w * rightCutRatio; 435 crop_b -= crop_h * bottomCutRatio; 436} 437 438void getNonWormholeRegion(hwc_display_contents_1_t* list, 439 hwc_rect_t& nwr) 440{ 441 uint32_t last = list->numHwLayers - 1; 442 hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame; 443 //Initiliaze nwr to first frame 444 nwr.left = list->hwLayers[0].displayFrame.left; 445 nwr.top = list->hwLayers[0].displayFrame.top; 446 nwr.right = list->hwLayers[0].displayFrame.right; 447 nwr.bottom = list->hwLayers[0].displayFrame.bottom; 448 449 for (uint32_t i = 1; i < last; i++) { 450 hwc_rect_t displayFrame = list->hwLayers[i].displayFrame; 451 nwr.left = min(nwr.left, displayFrame.left); 452 nwr.top = min(nwr.top, displayFrame.top); 453 nwr.right = max(nwr.right, displayFrame.right); 454 nwr.bottom = max(nwr.bottom, displayFrame.bottom); 455 } 456 457 //Intersect with the framebuffer 458 nwr.left = max(nwr.left, fbDisplayFrame.left); 459 nwr.top = max(nwr.top, fbDisplayFrame.top); 460 nwr.right = min(nwr.right, fbDisplayFrame.right); 461 nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom); 462 463} 464 465bool isExternalActive(hwc_context_t* ctx) { 466 return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive; 467} 468 469void closeAcquireFds(hwc_display_contents_1_t* list) { 470 for(uint32_t i = 0; list && i < list->numHwLayers; i++) { 471 //Close the acquireFenceFds 472 //HWC_FRAMEBUFFER are -1 already by SF, rest we close. 473 if(list->hwLayers[i].acquireFenceFd >= 0) { 474 close(list->hwLayers[i].acquireFenceFd); 475 list->hwLayers[i].acquireFenceFd = -1; 476 } 477 } 478} 479 480int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy, 481 int fd) { 482 int ret = 0; 483 struct mdp_buf_sync data; 484 int acquireFd[MAX_NUM_LAYERS]; 485 int count = 0; 486 int releaseFd = -1; 487 int fbFd = -1; 488 memset(&data, 0, sizeof(data)); 489 bool swapzero = false; 490 data.flags = MDP_BUF_SYNC_FLAG_WAIT; 491 data.acq_fen_fd = acquireFd; 492 data.rel_fen_fd = &releaseFd; 493 char property[PROPERTY_VALUE_MAX]; 494 if(property_get("debug.egl.swapinterval", property, "1") > 0) { 495 if(atoi(property) == 0) 496 swapzero = true; 497 } 498 499 //Accumulate acquireFenceFds 500 for(uint32_t i = 0; i < list->numHwLayers; i++) { 501 if(list->hwLayers[i].compositionType == HWC_OVERLAY && 502 list->hwLayers[i].acquireFenceFd != -1) { 503 if(UNLIKELY(swapzero)) 504 acquireFd[count++] = -1; 505 else 506 acquireFd[count++] = list->hwLayers[i].acquireFenceFd; 507 } 508 if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) { 509 if(UNLIKELY(swapzero)) 510 acquireFd[count++] = -1; 511 else if(fd != -1) { 512 //set the acquireFD from fd - which is coming from c2d 513 acquireFd[count++] = fd; 514 // Buffer sync IOCTL should be async when using c2d fence is 515 // used 516 data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT; 517 } else if(list->hwLayers[i].acquireFenceFd != -1) 518 acquireFd[count++] = list->hwLayers[i].acquireFenceFd; 519 } 520 } 521 522 data.acq_fen_fd_cnt = count; 523 fbFd = ctx->dpyAttr[dpy].fd; 524 //Waits for acquire fences, returns a release fence 525 if(LIKELY(!swapzero)) { 526 uint64_t start = systemTime(); 527 ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data); 528 ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d", 529 __FUNCTION__, (size_t) ns2ms(systemTime() - start)); 530 } 531 532 if(ret < 0) { 533 ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s", 534 strerror(errno)); 535 } 536 537 for(uint32_t i = 0; i < list->numHwLayers; i++) { 538 if(list->hwLayers[i].compositionType == HWC_OVERLAY || 539 list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) { 540 //Populate releaseFenceFds. 541 if(UNLIKELY(swapzero)) 542 list->hwLayers[i].releaseFenceFd = -1; 543 else 544 list->hwLayers[i].releaseFenceFd = dup(releaseFd); 545 } 546 } 547 548 if(fd >= 0) { 549 close(fd); 550 fd = -1; 551 } 552 553 if (ctx->mCopyBit[dpy]) 554 ctx->mCopyBit[dpy]->setReleaseFd(releaseFd); 555 if(UNLIKELY(swapzero)){ 556 list->retireFenceFd = -1; 557 close(releaseFd); 558 } else { 559 list->retireFenceFd = releaseFd; 560 } 561 562 return ret; 563} 564 565void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform, 566 hwc_rect_t& crop, hwc_rect_t& dst) { 567 int hw_w = ctx->dpyAttr[dpy].xres; 568 int hw_h = ctx->dpyAttr[dpy].yres; 569 if(dst.left < 0 || dst.top < 0 || 570 dst.right > hw_w || dst.bottom > hw_h) { 571 hwc_rect_t scissor = {0, 0, hw_w, hw_h }; 572 qhwc::calculate_crop_rects(crop, dst, scissor, transform); 573 } 574} 575 576void setMdpFlags(hwc_layer_1_t *layer, 577 ovutils::eMdpFlags &mdpFlags, 578 int rotDownscale) { 579 private_handle_t *hnd = (private_handle_t *)layer->handle; 580 MetaData_t *metadata = (MetaData_t *)hnd->base_metadata; 581 const int& transform = layer->transform; 582 583 if(layer->blending == HWC_BLENDING_PREMULT) { 584 ovutils::setMdpFlags(mdpFlags, 585 ovutils::OV_MDP_BLEND_FG_PREMULT); 586 } 587 588 if(isYuvBuffer(hnd)) { 589 if(isSecureBuffer(hnd)) { 590 ovutils::setMdpFlags(mdpFlags, 591 ovutils::OV_MDP_SECURE_OVERLAY_SESSION); 592 } 593 if(metadata && (metadata->operation & PP_PARAM_INTERLACED) && 594 metadata->interlaced) { 595 ovutils::setMdpFlags(mdpFlags, 596 ovutils::OV_MDP_DEINTERLACE); 597 } 598 //Pre-rotation will be used using rotator. 599 if(transform & HWC_TRANSFORM_ROT_90) { 600 ovutils::setMdpFlags(mdpFlags, 601 ovutils::OV_MDP_SOURCE_ROTATED_90); 602 } 603 } 604 605 //No 90 component and no rot-downscale then flips done by MDP 606 //If we use rot then it might as well do flips 607 if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) { 608 if(layer->transform & HWC_TRANSFORM_FLIP_H) { 609 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H); 610 } 611 612 if(layer->transform & HWC_TRANSFORM_FLIP_V) { 613 ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_V); 614 } 615 } 616} 617 618static inline int configRotator(Rotator *rot, const Whf& whf, 619 const eMdpFlags& mdpFlags, const eTransform& orient, 620 const int& downscale) { 621 rot->setSource(whf); 622 rot->setFlags(mdpFlags); 623 rot->setTransform(orient); 624 rot->setDownscale(downscale); 625 if(!rot->commit()) return -1; 626 return 0; 627} 628 629static inline int configMdp(Overlay *ov, const PipeArgs& parg, 630 const eTransform& orient, const hwc_rect_t& crop, 631 const hwc_rect_t& pos, const eDest& dest) { 632 ov->setSource(parg, dest); 633 ov->setTransform(orient, dest); 634 635 int crop_w = crop.right - crop.left; 636 int crop_h = crop.bottom - crop.top; 637 Dim dcrop(crop.left, crop.top, crop_w, crop_h); 638 ov->setCrop(dcrop, dest); 639 640 int posW = pos.right - pos.left; 641 int posH = pos.bottom - pos.top; 642 Dim position(pos.left, pos.top, posW, posH); 643 ov->setPosition(position, dest); 644 645 if (!ov->commit(dest)) { 646 return -1; 647 } 648 return 0; 649} 650 651static inline void updateSource(eTransform& orient, Whf& whf, 652 hwc_rect_t& crop) { 653 Dim srcCrop(crop.left, crop.top, 654 crop.right - crop.left, 655 crop.bottom - crop.top); 656 //getMdpOrient will switch the flips if the source is 90 rotated. 657 //Clients in Android dont factor in 90 rotation while deciding the flip. 658 orient = static_cast<eTransform>(ovutils::getMdpOrient(orient)); 659 preRotateSource(orient, whf, srcCrop); 660 crop.left = srcCrop.x; 661 crop.top = srcCrop.y; 662 crop.right = srcCrop.x + srcCrop.w; 663 crop.bottom = srcCrop.y + srcCrop.h; 664} 665 666int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer, 667 const int& dpy, eMdpFlags& mdpFlags, const eZorder& z, 668 const eIsFg& isFg, const eDest& dest, Rotator **rot) { 669 670 private_handle_t *hnd = (private_handle_t *)layer->handle; 671 if(!hnd) { 672 ALOGE("%s: layer handle is NULL", __FUNCTION__); 673 return -1; 674 } 675 676 hwc_rect_t crop = layer->sourceCrop; 677 hwc_rect_t dst = layer->displayFrame; 678 int transform = layer->transform; 679 eTransform orient = static_cast<eTransform>(transform); 680 int downscale = 0; 681 int rotFlags = ovutils::ROT_FLAGS_NONE; 682 Whf whf(hnd->width, hnd->height, 683 getMdpFormat(hnd->format), hnd->size); 684 685 if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 && 686 ctx->mMDP.version < qdutils::MDSS_V5) { 687 downscale = getDownscaleFactor( 688 crop.right - crop.left, 689 crop.bottom - crop.top, 690 dst.right - dst.left, 691 dst.bottom - dst.top); 692 if(downscale) { 693 rotFlags = ROT_DOWNSCALE_ENABLED; 694 } 695 } 696 697 setMdpFlags(layer, mdpFlags, downscale); 698 trimLayer(ctx, dpy, transform, crop, dst); 699 700 if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot 701 ((transform & HWC_TRANSFORM_ROT_90) || downscale)) { 702 *rot = ctx->mRotMgr->getNext(); 703 if(*rot == NULL) return -1; 704 //Configure rotator for pre-rotation 705 if(configRotator(*rot, whf, mdpFlags, orient, downscale) < 0) 706 return -1; 707 whf.format = (*rot)->getDstFormat(); 708 updateSource(orient, whf, crop); 709 rotFlags |= ovutils::ROT_PREROTATED; 710 } 711 712 //For the mdp, since either we are pre-rotating or MDP does flips 713 orient = OVERLAY_TRANSFORM_0; 714 transform = 0; 715 716 PipeArgs parg(mdpFlags, whf, z, isFg, static_cast<eRotFlags>(rotFlags)); 717 if(configMdp(ctx->mOverlay, parg, orient, crop, dst, dest) < 0) { 718 ALOGE("%s: commit failed for low res panel", __FUNCTION__); 719 return -1; 720 } 721 return 0; 722} 723 724int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer, 725 const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z, 726 const eIsFg& isFg, const eDest& lDest, const eDest& rDest, 727 Rotator **rot) { 728 private_handle_t *hnd = (private_handle_t *)layer->handle; 729 if(!hnd) { 730 ALOGE("%s: layer handle is NULL", __FUNCTION__); 731 return -1; 732 } 733 734 int hw_w = ctx->dpyAttr[dpy].xres; 735 int hw_h = ctx->dpyAttr[dpy].yres; 736 hwc_rect_t crop = layer->sourceCrop; 737 hwc_rect_t dst = layer->displayFrame; 738 int transform = layer->transform; 739 eTransform orient = static_cast<eTransform>(transform); 740 const int downscale = 0; 741 int rotFlags = ROT_FLAGS_NONE; 742 743 Whf whf(hnd->width, hnd->height, 744 getMdpFormat(hnd->format), hnd->size); 745 746 setMdpFlags(layer, mdpFlagsL); 747 trimLayer(ctx, dpy, transform, crop, dst); 748 749 if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) { 750 (*rot) = ctx->mRotMgr->getNext(); 751 if((*rot) == NULL) return -1; 752 //Configure rotator for pre-rotation 753 if(configRotator(*rot, whf, mdpFlagsL, orient, downscale) < 0) 754 return -1; 755 whf.format = (*rot)->getDstFormat(); 756 updateSource(orient, whf, crop); 757 rotFlags |= ROT_PREROTATED; 758 } 759 760 eMdpFlags mdpFlagsR = mdpFlagsL; 761 setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER); 762 763 hwc_rect_t tmp_cropL, tmp_dstL; 764 hwc_rect_t tmp_cropR, tmp_dstR; 765 766 if(lDest != OV_INVALID) { 767 tmp_cropL = crop; 768 tmp_dstL = dst; 769 hwc_rect_t scissor = {0, 0, hw_w/2, hw_h }; 770 qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0); 771 } 772 if(rDest != OV_INVALID) { 773 tmp_cropR = crop; 774 tmp_dstR = dst; 775 hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h }; 776 qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0); 777 } 778 779 //When buffer is flipped, contents of mixer config also needs to swapped. 780 //Not needed if the layer is confined to one half of the screen. 781 //If rotator has been used then it has also done the flips, so ignore them. 782 if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID 783 && rDest != OV_INVALID && rot == NULL) { 784 hwc_rect_t new_cropR; 785 new_cropR.left = tmp_cropL.left; 786 new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left); 787 788 hwc_rect_t new_cropL; 789 new_cropL.left = new_cropR.right; 790 new_cropL.right = tmp_cropR.right; 791 792 tmp_cropL.left = new_cropL.left; 793 tmp_cropL.right = new_cropL.right; 794 795 tmp_cropR.left = new_cropR.left; 796 tmp_cropR.right = new_cropR.right; 797 798 } 799 800 //For the mdp, since either we are pre-rotating or MDP does flips 801 orient = OVERLAY_TRANSFORM_0; 802 transform = 0; 803 804 //configure left mixer 805 if(lDest != OV_INVALID) { 806 PipeArgs pargL(mdpFlagsL, whf, z, isFg, 807 static_cast<eRotFlags>(rotFlags)); 808 if(configMdp(ctx->mOverlay, pargL, orient, 809 tmp_cropL, tmp_dstL, lDest) < 0) { 810 ALOGE("%s: commit failed for left mixer config", __FUNCTION__); 811 return -1; 812 } 813 } 814 815 //configure right mixer 816 if(rDest != OV_INVALID) { 817 PipeArgs pargR(mdpFlagsR, whf, z, isFg, 818 static_cast<eRotFlags>(rotFlags)); 819 tmp_dstR.right = tmp_dstR.right - tmp_dstR.left; 820 tmp_dstR.left = 0; 821 if(configMdp(ctx->mOverlay, pargR, orient, 822 tmp_cropR, tmp_dstR, rDest) < 0) { 823 ALOGE("%s: commit failed for right mixer config", __FUNCTION__); 824 return -1; 825 } 826 } 827 828 return 0; 829} 830 831void LayerCache::resetLayerCache(int num) { 832 for(uint32_t i = 0; i < MAX_NUM_LAYERS; i++) { 833 hnd[i] = NULL; 834 } 835 numHwLayers = num; 836} 837 838void LayerCache::updateLayerCache(hwc_display_contents_1_t* list) { 839 840 int numFbLayers = 0; 841 int numCacheableLayers = 0; 842 843 canUseLayerCache = false; 844 //Bail if geometry changed or num of layers changed 845 if(list->flags & HWC_GEOMETRY_CHANGED || 846 list->numHwLayers != numHwLayers ) { 847 resetLayerCache(list->numHwLayers); 848 return; 849 } 850 851 for(uint32_t i = 0; i < list->numHwLayers; i++) { 852 //Bail on skip layers 853 if(list->hwLayers[i].flags & HWC_SKIP_LAYER) { 854 resetLayerCache(list->numHwLayers); 855 return; 856 } 857 858 if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER) { 859 numFbLayers++; 860 if(hnd[i] == NULL) { 861 hnd[i] = list->hwLayers[i].handle; 862 } else if (hnd[i] == 863 list->hwLayers[i].handle) { 864 numCacheableLayers++; 865 } else { 866 hnd[i] = NULL; 867 return; 868 } 869 } else { 870 hnd[i] = NULL; 871 } 872 } 873 if(numFbLayers == numCacheableLayers) 874 canUseLayerCache = true; 875 876 //XXX: The marking part is separate, if MDP comp wants 877 // to use it in the future. Right now getting MDP comp 878 // to use this is more trouble than it is worth. 879 markCachedLayersAsOverlay(list); 880} 881 882void LayerCache::markCachedLayersAsOverlay(hwc_display_contents_1_t* list) { 883 //This optimization only works if ALL the layer handles 884 //that were on the framebuffer didn't change. 885 if(canUseLayerCache){ 886 for(uint32_t i = 0; i < list->numHwLayers; i++) { 887 if (list->hwLayers[i].handle && 888 list->hwLayers[i].handle == hnd[i] && 889 list->hwLayers[i].compositionType != HWC_FRAMEBUFFER_TARGET) 890 { 891 list->hwLayers[i].compositionType = HWC_OVERLAY; 892 } 893 } 894 } 895} 896 897};//namespace qhwc 898