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 21#define DEBUG_COPYBIT 0 22#include <sync/sync.h> 23#include <copybit.h> 24#include <utils/Timers.h> 25#include "hwc_copybit.h" 26#include "comptype.h" 27#include "gr.h" 28 29namespace qhwc { 30 31struct range { 32 int current; 33 int end; 34}; 35struct region_iterator : public copybit_region_t { 36 37 region_iterator(hwc_region_t region) { 38 mRegion = region; 39 r.end = region.numRects; 40 r.current = 0; 41 this->next = iterate; 42 } 43 44private: 45 static int iterate(copybit_region_t const * self, copybit_rect_t* rect){ 46 if (!self || !rect) { 47 ALOGE("iterate invalid parameters"); 48 return 0; 49 } 50 51 region_iterator const* me = 52 static_cast<region_iterator const*>(self); 53 if (me->r.current != me->r.end) { 54 rect->l = me->mRegion.rects[me->r.current].left; 55 rect->t = me->mRegion.rects[me->r.current].top; 56 rect->r = me->mRegion.rects[me->r.current].right; 57 rect->b = me->mRegion.rects[me->r.current].bottom; 58 me->r.current++; 59 return 1; 60 } 61 return 0; 62 } 63 64 hwc_region_t mRegion; 65 mutable range r; 66}; 67 68void CopyBit::reset() { 69 mIsModeOn = false; 70 mCopyBitDraw = false; 71} 72 73bool CopyBit::canUseCopybitForYUV(hwc_context_t *ctx) { 74 // return true for non-overlay targets 75 if(ctx->mMDP.hasOverlay) { 76 return false; 77 } 78 return true; 79} 80 81bool CopyBit::canUseCopybitForRGB(hwc_context_t *ctx, 82 hwc_display_contents_1_t *list, 83 int dpy) { 84 int compositionType = qdutils::QCCompositionType:: 85 getInstance().getCompositionType(); 86 87 if ((compositionType & qdutils::COMPOSITION_TYPE_C2D) || 88 (compositionType & qdutils::COMPOSITION_TYPE_DYN)) { 89 if(ctx->listStats[dpy].yuvCount) { 90 //Overlay up & running. Dont use COPYBIT for RGB layers. 91 return false; 92 } 93 } 94 95 if (compositionType & qdutils::COMPOSITION_TYPE_DYN) { 96 // DYN Composition: 97 // use copybit, if (TotalRGBRenderArea < threashold * FB Area) 98 // this is done based on perf inputs in ICS 99 // TODO: Above condition needs to be re-evaluated in JB 100 int fbWidth = ctx->dpyAttr[dpy].xres; 101 int fbHeight = ctx->dpyAttr[dpy].yres; 102 unsigned int fbArea = (fbWidth * fbHeight); 103 unsigned int renderArea = getRGBRenderingArea(list); 104 ALOGD_IF (DEBUG_COPYBIT, "%s:renderArea %u, fbArea %u", 105 __FUNCTION__, renderArea, fbArea); 106 if (renderArea < (mDynThreshold * fbArea)) { 107 return true; 108 } 109 } else if ((compositionType & qdutils::COMPOSITION_TYPE_MDP)) { 110 // MDP composition, use COPYBIT always 111 return true; 112 } else if ((compositionType & qdutils::COMPOSITION_TYPE_C2D)) { 113 // C2D composition, use COPYBIT 114 return true; 115 } 116 return false; 117} 118 119unsigned int CopyBit::getRGBRenderingArea 120 (const hwc_display_contents_1_t *list) { 121 //Calculates total rendering area for RGB layers 122 unsigned int renderArea = 0; 123 unsigned int w=0, h=0; 124 for (unsigned int i=0; i<list->numHwLayers; i++) { 125 private_handle_t *hnd = (private_handle_t *)list->hwLayers[i].handle; 126 if (hnd) { 127 if (BUFFER_TYPE_UI == hnd->bufferType) { 128 getLayerResolution(&list->hwLayers[i], w, h); 129 renderArea += (w*h); 130 } 131 } 132 } 133 return renderArea; 134} 135 136bool CopyBit::prepare(hwc_context_t *ctx, hwc_display_contents_1_t *list, 137 int dpy) { 138 139 if(mEngine == NULL) { 140 // No copybit device found - cannot use copybit 141 return false; 142 } 143 int compositionType = qdutils::QCCompositionType:: 144 getInstance().getCompositionType(); 145 146 if ((compositionType == qdutils::COMPOSITION_TYPE_GPU) || 147 (compositionType == qdutils::COMPOSITION_TYPE_CPU)) { 148 //GPU/CPU composition, don't change layer composition type 149 return true; 150 } 151 152 if(!(validateParams(ctx, list))) { 153 ALOGE("%s:Invalid Params", __FUNCTION__); 154 return false; 155 } 156 157 if(ctx->listStats[dpy].skipCount) { 158 //GPU will be anyways used 159 return false; 160 } 161 162 bool useCopybitForYUV = canUseCopybitForYUV(ctx); 163 bool useCopybitForRGB = canUseCopybitForRGB(ctx, list, dpy); 164 LayerProp *layerProp = ctx->layerProp[dpy]; 165 size_t fbLayerIndex = ctx->listStats[dpy].fbLayerIndex; 166 hwc_layer_1_t *fbLayer = &list->hwLayers[fbLayerIndex]; 167 private_handle_t *fbHnd = (private_handle_t *)fbLayer->handle; 168 169 170 171 //Allocate render buffers if they're not allocated 172 if (useCopybitForYUV || useCopybitForRGB) { 173 int ret = allocRenderBuffers(fbHnd->width, 174 fbHnd->height, 175 fbHnd->format); 176 if (ret < 0) { 177 return false; 178 } else { 179 mCurRenderBufferIndex = (mCurRenderBufferIndex + 1) % 180 NUM_RENDER_BUFFERS; 181 } 182 } 183 184 185 // numAppLayers-1, as we iterate till 0th layer index 186 for (int i = ctx->listStats[dpy].numAppLayers-1; i >= 0 ; i--) { 187 private_handle_t *hnd = (private_handle_t *)list->hwLayers[i].handle; 188 189 if ((hnd->bufferType == BUFFER_TYPE_VIDEO && useCopybitForYUV) || 190 (hnd->bufferType == BUFFER_TYPE_UI && useCopybitForRGB)) { 191 layerProp[i].mFlags |= HWC_COPYBIT; 192 list->hwLayers[i].compositionType = HWC_OVERLAY; 193 mCopyBitDraw = true; 194 } else { 195 // We currently cannot mix copybit layers with layers marked to 196 // be drawn on the framebuffer or that are on the layer cache. 197 mCopyBitDraw = false; 198 //There is no need to reset layer properties here as we return in 199 //draw if mCopyBitDraw is false 200 } 201 } 202 return true; 203} 204 205int CopyBit::clear (private_handle_t* hnd, hwc_rect_t& rect) 206{ 207 int ret = 0; 208 copybit_rect_t clear_rect = {rect.left, rect.top, 209 rect.right, 210 rect.bottom}; 211 212 copybit_image_t buf; 213 buf.w = ALIGN(getWidth(hnd),32); 214 buf.h = getHeight(hnd); 215 buf.format = hnd->format; 216 buf.base = (void *)hnd->base; 217 buf.handle = (native_handle_t *)hnd; 218 219 copybit_device_t *copybit = mEngine; 220 ret = copybit->clear(copybit, &buf, &clear_rect); 221 return ret; 222} 223 224bool CopyBit::draw(hwc_context_t *ctx, hwc_display_contents_1_t *list, 225 int dpy, int32_t *fd) { 226 // draw layers marked for COPYBIT 227 int retVal = true; 228 int copybitLayerCount = 0; 229 LayerProp *layerProp = ctx->layerProp[dpy]; 230 231 if(mCopyBitDraw == false) // there is no layer marked for copybit 232 return false ; 233 234 //render buffer 235 private_handle_t *renderBuffer = getCurrentRenderBuffer(); 236 if (!renderBuffer) { 237 ALOGE("%s: Render buffer layer handle is NULL", __FUNCTION__); 238 return false; 239 } 240 241 //Wait for the previous frame to complete before rendering onto it 242 if(mRelFd[0] >=0) { 243 sync_wait(mRelFd[0], 1000); 244 close(mRelFd[0]); 245 mRelFd[0] = -1; 246 } 247 248 //Clear the visible region on the render buffer 249 //XXX: Do this only when needed. 250 hwc_rect_t clearRegion; 251 getNonWormholeRegion(list, clearRegion); 252 clear(renderBuffer, clearRegion); 253 // numAppLayers-1, as we iterate from 0th layer index with HWC_COPYBIT flag 254 for (int i = 0; i <= (ctx->listStats[dpy].numAppLayers-1); i++) { 255 hwc_layer_1_t *layer = &list->hwLayers[i]; 256 if(!(layerProp[i].mFlags & HWC_COPYBIT)) { 257 ALOGD_IF(DEBUG_COPYBIT, "%s: Not Marked for copybit", __FUNCTION__); 258 continue; 259 } 260 int ret = -1; 261 if (list->hwLayers[i].acquireFenceFd != -1 ) { 262 // Wait for acquire Fence on the App buffers. 263 ret = sync_wait(list->hwLayers[i].acquireFenceFd, 1000); 264 if(ret < 0) { 265 ALOGE("%s: sync_wait error!! error no = %d err str = %s", 266 __FUNCTION__, errno, strerror(errno)); 267 } 268 close(list->hwLayers[i].acquireFenceFd); 269 list->hwLayers[i].acquireFenceFd = -1; 270 } 271 retVal = drawLayerUsingCopybit(ctx, &(list->hwLayers[i]), 272 renderBuffer, dpy); 273 copybitLayerCount++; 274 if(retVal < 0) { 275 ALOGE("%s : drawLayerUsingCopybit failed", __FUNCTION__); 276 } 277 } 278 279 if (copybitLayerCount) { 280 copybit_device_t *copybit = getCopyBitDevice(); 281 // Async mode 282 copybit->flush_get_fence(copybit, fd); 283 } 284 return true; 285} 286 287int CopyBit::drawLayerUsingCopybit(hwc_context_t *dev, hwc_layer_1_t *layer, 288 private_handle_t *renderBuffer, int dpy) 289{ 290 hwc_context_t* ctx = (hwc_context_t*)(dev); 291 int err = 0; 292 if(!ctx) { 293 ALOGE("%s: null context ", __FUNCTION__); 294 return -1; 295 } 296 297 private_handle_t *hnd = (private_handle_t *)layer->handle; 298 if(!hnd) { 299 ALOGE("%s: invalid handle", __FUNCTION__); 300 return -1; 301 } 302 303 private_handle_t *fbHandle = (private_handle_t *)renderBuffer; 304 if(!fbHandle) { 305 ALOGE("%s: Framebuffer handle is NULL", __FUNCTION__); 306 return -1; 307 } 308 309 // Set the copybit source: 310 copybit_image_t src; 311 src.w = getWidth(hnd); 312 src.h = getHeight(hnd); 313 src.format = hnd->format; 314 src.base = (void *)hnd->base; 315 src.handle = (native_handle_t *)layer->handle; 316 src.horiz_padding = src.w - getWidth(hnd); 317 // Initialize vertical padding to zero for now, 318 // this needs to change to accomodate vertical stride 319 // if needed in the future 320 src.vert_padding = 0; 321 322 // Copybit source rect 323 hwc_rect_t sourceCrop = layer->sourceCrop; 324 copybit_rect_t srcRect = {sourceCrop.left, sourceCrop.top, 325 sourceCrop.right, 326 sourceCrop.bottom}; 327 328 // Copybit destination rect 329 hwc_rect_t displayFrame = layer->displayFrame; 330 copybit_rect_t dstRect = {displayFrame.left, displayFrame.top, 331 displayFrame.right, 332 displayFrame.bottom}; 333 334 // Copybit dst 335 copybit_image_t dst; 336 dst.w = ALIGN(fbHandle->width,32); 337 dst.h = fbHandle->height; 338 dst.format = fbHandle->format; 339 dst.base = (void *)fbHandle->base; 340 dst.handle = (native_handle_t *)fbHandle; 341 342 copybit_device_t *copybit = mEngine; 343 344 int32_t screen_w = displayFrame.right - displayFrame.left; 345 int32_t screen_h = displayFrame.bottom - displayFrame.top; 346 int32_t src_crop_width = sourceCrop.right - sourceCrop.left; 347 int32_t src_crop_height = sourceCrop.bottom -sourceCrop.top; 348 349 // Copybit dst 350 float copybitsMaxScale = 351 (float)copybit->get(copybit,COPYBIT_MAGNIFICATION_LIMIT); 352 float copybitsMinScale = 353 (float)copybit->get(copybit,COPYBIT_MINIFICATION_LIMIT); 354 355 if((layer->transform == HWC_TRANSFORM_ROT_90) || 356 (layer->transform == HWC_TRANSFORM_ROT_270)) { 357 //swap screen width and height 358 int tmp = screen_w; 359 screen_w = screen_h; 360 screen_h = tmp; 361 } 362 private_handle_t *tmpHnd = NULL; 363 364 if(screen_w <=0 || screen_h<=0 ||src_crop_width<=0 || src_crop_height<=0 ) { 365 ALOGE("%s: wrong params for display screen_w=%d src_crop_width=%d \ 366 screen_w=%d src_crop_width=%d", __FUNCTION__, screen_w, 367 src_crop_width,screen_w,src_crop_width); 368 return -1; 369 } 370 371 float dsdx = (float)screen_w/src_crop_width; 372 float dtdy = (float)screen_h/src_crop_height; 373 374 float scaleLimitMax = copybitsMaxScale * copybitsMaxScale; 375 float scaleLimitMin = copybitsMinScale * copybitsMinScale; 376 if(dsdx > scaleLimitMax || 377 dtdy > scaleLimitMax || 378 dsdx < 1/scaleLimitMin || 379 dtdy < 1/scaleLimitMin) { 380 ALOGE("%s: greater than max supported size dsdx=%f dtdy=%f \ 381 scaleLimitMax=%f scaleLimitMin=%f", __FUNCTION__,dsdx,dtdy, 382 scaleLimitMax,1/scaleLimitMin); 383 return -1; 384 } 385 if(dsdx > copybitsMaxScale || 386 dtdy > copybitsMaxScale || 387 dsdx < 1/copybitsMinScale || 388 dtdy < 1/copybitsMinScale){ 389 // The requested scale is out of the range the hardware 390 // can support. 391 ALOGE("%s:%d::Need to scale twice dsdx=%f, dtdy=%f,copybitsMaxScale=%f,\ 392 copybitsMinScale=%f,screen_w=%d,screen_h=%d \ 393 src_crop_width=%d src_crop_height=%d",__FUNCTION__,__LINE__, 394 dsdx,dtdy,copybitsMaxScale,1/copybitsMinScale,screen_w,screen_h, 395 src_crop_width,src_crop_height); 396 397 //Driver makes width and height as even 398 //that may cause wrong calculation of the ratio 399 //in display and crop.Hence we make 400 //crop width and height as even. 401 src_crop_width = (src_crop_width/2)*2; 402 src_crop_height = (src_crop_height/2)*2; 403 404 int tmp_w = src_crop_width; 405 int tmp_h = src_crop_height; 406 407 if (dsdx > copybitsMaxScale || dtdy > copybitsMaxScale ){ 408 tmp_w = src_crop_width*copybitsMaxScale; 409 tmp_h = src_crop_height*copybitsMaxScale; 410 }else if (dsdx < 1/copybitsMinScale ||dtdy < 1/copybitsMinScale ){ 411 tmp_w = src_crop_width/copybitsMinScale; 412 tmp_h = src_crop_height/copybitsMinScale; 413 tmp_w = (tmp_w/2)*2; 414 tmp_h = (tmp_h/2)*2; 415 } 416 ALOGE("%s:%d::tmp_w = %d,tmp_h = %d",__FUNCTION__,__LINE__,tmp_w,tmp_h); 417 418 int usage = GRALLOC_USAGE_PRIVATE_IOMMU_HEAP; 419 420 if (0 == alloc_buffer(&tmpHnd, tmp_w, tmp_h, fbHandle->format, usage)){ 421 copybit_image_t tmp_dst; 422 copybit_rect_t tmp_rect; 423 tmp_dst.w = tmp_w; 424 tmp_dst.h = tmp_h; 425 tmp_dst.format = tmpHnd->format; 426 tmp_dst.handle = tmpHnd; 427 tmp_dst.horiz_padding = src.horiz_padding; 428 tmp_dst.vert_padding = src.vert_padding; 429 tmp_rect.l = 0; 430 tmp_rect.t = 0; 431 tmp_rect.r = tmp_dst.w; 432 tmp_rect.b = tmp_dst.h; 433 //create one clip region 434 hwc_rect tmp_hwc_rect = {0,0,tmp_rect.r,tmp_rect.b}; 435 hwc_region_t tmp_hwc_reg = {1,(hwc_rect_t const*)&tmp_hwc_rect}; 436 region_iterator tmp_it(tmp_hwc_reg); 437 copybit->set_parameter(copybit,COPYBIT_TRANSFORM,0); 438 //TODO: once, we are able to read layer alpha, update this 439 copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 255); 440 err = copybit->stretch(copybit,&tmp_dst, &src, &tmp_rect, 441 &srcRect, &tmp_it); 442 if(err < 0){ 443 ALOGE("%s:%d::tmp copybit stretch failed",__FUNCTION__, 444 __LINE__); 445 if(tmpHnd) 446 free_buffer(tmpHnd); 447 return err; 448 } 449 // copy new src and src rect crop 450 src = tmp_dst; 451 srcRect = tmp_rect; 452 } 453 } 454 // Copybit region 455 hwc_region_t region = layer->visibleRegionScreen; 456 region_iterator copybitRegion(region); 457 458 copybit->set_parameter(copybit, COPYBIT_FRAMEBUFFER_WIDTH, 459 renderBuffer->width); 460 copybit->set_parameter(copybit, COPYBIT_FRAMEBUFFER_HEIGHT, 461 renderBuffer->height); 462 copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 463 layer->transform); 464 //TODO: once, we are able to read layer alpha, update this 465 copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 255); 466 copybit->set_parameter(copybit, COPYBIT_BLEND_MODE, 467 layer->blending); 468 copybit->set_parameter(copybit, COPYBIT_DITHER, 469 (dst.format == HAL_PIXEL_FORMAT_RGB_565)? 470 COPYBIT_ENABLE : COPYBIT_DISABLE); 471 copybit->set_parameter(copybit, COPYBIT_BLIT_TO_FRAMEBUFFER, 472 COPYBIT_ENABLE); 473 err = copybit->stretch(copybit, &dst, &src, &dstRect, &srcRect, 474 ©bitRegion); 475 copybit->set_parameter(copybit, COPYBIT_BLIT_TO_FRAMEBUFFER, 476 COPYBIT_DISABLE); 477 478 if(tmpHnd) 479 free_buffer(tmpHnd); 480 481 if(err < 0) 482 ALOGE("%s: copybit stretch failed",__FUNCTION__); 483 return err; 484} 485 486void CopyBit::getLayerResolution(const hwc_layer_1_t* layer, 487 unsigned int& width, unsigned int& height) 488{ 489 hwc_rect_t displayFrame = layer->displayFrame; 490 491 width = displayFrame.right - displayFrame.left; 492 height = displayFrame.bottom - displayFrame.top; 493} 494 495bool CopyBit::validateParams(hwc_context_t *ctx, 496 const hwc_display_contents_1_t *list) { 497 //Validate parameters 498 if (!ctx) { 499 ALOGE("%s:Invalid HWC context", __FUNCTION__); 500 return false; 501 } else if (!list) { 502 ALOGE("%s:Invalid HWC layer list", __FUNCTION__); 503 return false; 504 } 505 return true; 506} 507 508 509int CopyBit::allocRenderBuffers(int w, int h, int f) 510{ 511 int ret = 0; 512 for (int i = 0; i < NUM_RENDER_BUFFERS; i++) { 513 if (mRenderBuffer[i] == NULL) { 514 ret = alloc_buffer(&mRenderBuffer[i], 515 w, h, f, 516 GRALLOC_USAGE_PRIVATE_IOMMU_HEAP); 517 } 518 if(ret < 0) { 519 freeRenderBuffers(); 520 break; 521 } 522 } 523 return ret; 524} 525 526void CopyBit::freeRenderBuffers() 527{ 528 for (int i = 0; i < NUM_RENDER_BUFFERS; i++) { 529 if(mRenderBuffer[i]) { 530 free_buffer(mRenderBuffer[i]); 531 mRenderBuffer[i] = NULL; 532 } 533 } 534} 535 536private_handle_t * CopyBit::getCurrentRenderBuffer() { 537 return mRenderBuffer[mCurRenderBufferIndex]; 538} 539 540void CopyBit::setReleaseFd(int fd) { 541 if(mRelFd[0] >=0) 542 close(mRelFd[0]); 543 mRelFd[0] = mRelFd[1]; 544 mRelFd[1] = dup(fd); 545} 546 547struct copybit_device_t* CopyBit::getCopyBitDevice() { 548 return mEngine; 549} 550 551CopyBit::CopyBit():mIsModeOn(false), mCopyBitDraw(false), 552 mCurRenderBufferIndex(0){ 553 hw_module_t const *module; 554 for (int i = 0; i < NUM_RENDER_BUFFERS; i++) 555 mRenderBuffer[i] = NULL; 556 mRelFd[0] = -1; 557 mRelFd[1] = -1; 558 559 char value[PROPERTY_VALUE_MAX]; 560 property_get("debug.hwc.dynThreshold", value, "2"); 561 mDynThreshold = atof(value); 562 563 if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &module) == 0) { 564 if(copybit_open(module, &mEngine) < 0) { 565 ALOGE("FATAL ERROR: copybit open failed."); 566 } 567 } else { 568 ALOGE("FATAL ERROR: copybit hw module not found"); 569 } 570} 571 572CopyBit::~CopyBit() 573{ 574 freeRenderBuffers(); 575 if(mRelFd[0] >=0) 576 close(mRelFd[0]); 577 if(mRelFd[1] >=0) 578 close(mRelFd[1]); 579 if(mEngine) 580 { 581 copybit_close(mEngine); 582 mEngine = NULL; 583 } 584} 585}; //namespace qhwc 586