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      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 "mdp_version.h"
     32 #include "hwc_copybit.h"
     33 #include "external.h"
     34 #include "hwc_qclient.h"
     35 #include "QService.h"
     36 #include "comptype.h"
     37 
     38 using namespace qClient;
     39 using namespace qService;
     40 using namespace android;
     41 using namespace overlay;
     42 using namespace overlay::utils;
     43 namespace ovutils = overlay::utils;
     44 
     45 namespace qhwc {
     46 
     47 static int openFramebufferDevice(hwc_context_t *ctx)
     48 {
     49     struct fb_fix_screeninfo finfo;
     50     struct fb_var_screeninfo info;
     51 
     52     int fb_fd = openFb(HWC_DISPLAY_PRIMARY);
     53 
     54     if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &info) == -1)
     55         return -errno;
     56 
     57     if (int(info.width) <= 0 || int(info.height) <= 0) {
     58         // the driver doesn't return that information
     59         // default to 160 dpi
     60         info.width  = ((info.xres * 25.4f)/160.0f + 0.5f);
     61         info.height = ((info.yres * 25.4f)/160.0f + 0.5f);
     62     }
     63 
     64     float xdpi = (info.xres * 25.4f) / info.width;
     65     float ydpi = (info.yres * 25.4f) / info.height;
     66 
     67 #ifdef MSMFB_METADATA_GET
     68     struct msmfb_metadata metadata;
     69     memset(&metadata, 0 , sizeof(metadata));
     70     metadata.op = metadata_op_frame_rate;
     71 
     72     if (ioctl(fb_fd, MSMFB_METADATA_GET, &metadata) == -1) {
     73         ALOGE("Error retrieving panel frame rate");
     74         return -errno;
     75     }
     76 
     77     float fps  = metadata.data.panel_frame_rate;
     78 #else
     79     //XXX: Remove reserved field usage on all baselines
     80     //The reserved[3] field is used to store FPS by the driver.
     81     float fps  = info.reserved[3] & 0xFF;
     82 #endif
     83 
     84     if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &finfo) == -1)
     85         return -errno;
     86 
     87     if (finfo.smem_len <= 0)
     88         return -errno;
     89 
     90     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = fb_fd;
     91     //xres, yres may not be 32 aligned
     92     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].stride = finfo.line_length /(info.xres/8);
     93     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = info.xres;
     94     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = info.yres;
     95     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = xdpi;
     96     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ydpi;
     97     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 1000000000l / fps;
     98 
     99     //Unblank primary on first boot
    100     if(ioctl(fb_fd, FBIOBLANK,FB_BLANK_UNBLANK) < 0) {
    101         ALOGE("%s: Failed to unblank display", __FUNCTION__);
    102         return -errno;
    103     }
    104     ctx->dpyAttr[HWC_DISPLAY_PRIMARY].isActive = true;
    105 
    106     return 0;
    107 }
    108 
    109 static int ppdComm(const char* cmd, hwc_context_t *ctx) {
    110     int ret = -1;
    111     ret = send(ctx->mCablProp.daemon_socket, cmd, strlen(cmd), MSG_NOSIGNAL);
    112     if(ret < 0) {
    113         if (errno == EPIPE) {
    114             //For broken pipe case, we will close the socket and
    115             //re-establish the connection
    116             close(ctx->mCablProp.daemon_socket);
    117             int daemon_socket = socket_local_client(DAEMON_SOCKET,
    118                     ANDROID_SOCKET_NAMESPACE_RESERVED,
    119                     SOCK_STREAM);
    120             if(!daemon_socket) {
    121                 ALOGE("Connecting to socket failed: %s", strerror(errno));
    122                 ctx->mCablProp.enabled = false;
    123                 return -1;
    124             }
    125             struct timeval timeout;
    126             timeout.tv_sec = 1;//wait 1 second before timeout
    127             timeout.tv_usec = 0;
    128 
    129             if (setsockopt(daemon_socket, SOL_SOCKET, SO_SNDTIMEO,
    130                         (char*)&timeout, sizeof(timeout )) < 0)
    131                 ALOGE("setsockopt failed");
    132 
    133             ctx->mCablProp.daemon_socket = daemon_socket;
    134             //resend the cmd after connection is re-established
    135             ret = send(ctx->mCablProp.daemon_socket, cmd, strlen(cmd),
    136                        MSG_NOSIGNAL);
    137             if (ret < 0) {
    138                 ALOGE("Failed to send data over socket: %s",
    139                         strerror(errno));
    140                 return ret;
    141             }
    142         } else {
    143             ALOGE("Failed to send data over socket: %s",
    144                     strerror(errno));
    145             return ret;
    146         }
    147     }
    148     ALOGD_IF(HWC_UTILS_DEBUG, "%s: Sent command: %s", __FUNCTION__, cmd);
    149     return 0;
    150 }
    151 
    152 static void connectPPDaemon(hwc_context_t *ctx)
    153 {
    154     char property[PROPERTY_VALUE_MAX];
    155     if ((property_get("ro.qualcomm.cabl", property, NULL) > 0) &&
    156         (atoi(property) == 1)) {
    157         ALOGD("%s: CABL is enabled", __FUNCTION__);
    158         ctx->mCablProp.enabled = true;
    159     } else {
    160         ALOGD("%s: CABL is disabled", __FUNCTION__);
    161         ctx->mCablProp.enabled = false;
    162         return;
    163     }
    164 
    165     if ((property_get("persist.qcom.cabl.video_only", property, NULL) > 0) &&
    166         (atoi(property) == 1)) {
    167         ALOGD("%s: CABL is in video only mode", __FUNCTION__);
    168         ctx->mCablProp.videoOnly = true;
    169     } else {
    170         ctx->mCablProp.videoOnly = false;
    171     }
    172 
    173     int daemon_socket = socket_local_client(DAEMON_SOCKET,
    174                                             ANDROID_SOCKET_NAMESPACE_RESERVED,
    175                                             SOCK_STREAM);
    176     if(!daemon_socket) {
    177         ALOGE("Connecting to socket failed: %s", strerror(errno));
    178         ctx->mCablProp.enabled = false;
    179         return;
    180     }
    181     struct timeval timeout;
    182     timeout.tv_sec = 1; //wait 1 second before timeout
    183     timeout.tv_usec = 0;
    184 
    185     if (setsockopt(daemon_socket, SOL_SOCKET, SO_SNDTIMEO,
    186         (char*)&timeout, sizeof(timeout )) < 0)
    187         ALOGE("setsockopt failed");
    188 
    189     ctx->mCablProp.daemon_socket = daemon_socket;
    190 }
    191 
    192 void initContext(hwc_context_t *ctx)
    193 {
    194     if(openFramebufferDevice(ctx) < 0) {
    195         ALOGE("%s: failed to open framebuffer!!", __FUNCTION__);
    196     }
    197 
    198     overlay::Overlay::initOverlay();
    199     ctx->mOverlay = overlay::Overlay::getInstance();
    200     ctx->mRotMgr = new RotMgr();
    201     ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion();
    202     ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
    203     ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType();
    204     overlay::Overlay::initOverlay();
    205     ctx->mOverlay = overlay::Overlay::getInstance();
    206     ctx->mRotMgr = new RotMgr();
    207 
    208     //Is created and destroyed only once for primary
    209     //For external it could get created and destroyed multiple times depending
    210     //on what external we connect to.
    211     ctx->mFBUpdate[HWC_DISPLAY_PRIMARY] =
    212         IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
    213         HWC_DISPLAY_PRIMARY);
    214 
    215     // Check if the target supports copybit compostion (dyn/mdp/c2d) to
    216     // decide if we need to open the copybit module.
    217     int compositionType =
    218         qdutils::QCCompositionType::getInstance().getCompositionType();
    219 
    220     if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
    221                            qdutils::COMPOSITION_TYPE_MDP |
    222                            qdutils::COMPOSITION_TYPE_C2D)) {
    223             ctx->mCopyBit[HWC_DISPLAY_PRIMARY] = new CopyBit();
    224     }
    225 
    226     ctx->mExtDisplay = new ExternalDisplay(ctx);
    227 
    228     for (uint32_t i = 0; i < MAX_DISPLAYS; i++) {
    229         ctx->mLayerRotMap[i] = new LayerRotMap();
    230     }
    231 
    232     ctx->mMDPComp[HWC_DISPLAY_PRIMARY] =
    233          MDPComp::getObject(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres,
    234          HWC_DISPLAY_PRIMARY);
    235 
    236     MDPComp::init(ctx);
    237 
    238     ctx->vstate.enable = false;
    239     ctx->vstate.fakevsync = false;
    240     ctx->mExtDispConfiguring = false;
    241     ctx->mBasePipeSetup = false;
    242 
    243     //Right now hwc starts the service but anybody could do it, or it could be
    244     //independent process as well.
    245     QService::init();
    246     sp<IQClient> client = new QClient(ctx);
    247     interface_cast<IQService>(
    248             defaultServiceManager()->getService(
    249             String16("display.qservice")))->connect(client);
    250 
    251     ALOGI("Initializing Qualcomm Hardware Composer");
    252     ALOGI("MDP version: %d", ctx->mMDP.version);
    253 
    254     connectPPDaemon(ctx);
    255 }
    256 
    257 void closeContext(hwc_context_t *ctx)
    258 {
    259     if(ctx->mOverlay) {
    260         delete ctx->mOverlay;
    261         ctx->mOverlay = NULL;
    262     }
    263 
    264     if(ctx->mRotMgr) {
    265         delete ctx->mRotMgr;
    266         ctx->mRotMgr = NULL;
    267     }
    268 
    269     for(int i = 0; i < MAX_DISPLAYS; i++) {
    270         if(ctx->mCopyBit[i]) {
    271             delete ctx->mCopyBit[i];
    272             ctx->mCopyBit[i] = NULL;
    273         }
    274     }
    275 
    276     if(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd) {
    277         close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd);
    278         ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1;
    279     }
    280 
    281     if(ctx->mExtDisplay) {
    282         delete ctx->mExtDisplay;
    283         ctx->mExtDisplay = NULL;
    284     }
    285 
    286     for(int i = 0; i < MAX_DISPLAYS; i++) {
    287         if(ctx->mFBUpdate[i]) {
    288             delete ctx->mFBUpdate[i];
    289             ctx->mFBUpdate[i] = NULL;
    290         }
    291         if(ctx->mMDPComp[i]) {
    292             delete ctx->mMDPComp[i];
    293             ctx->mMDPComp[i] = NULL;
    294         }
    295         if(ctx->mLayerRotMap[i]) {
    296             delete ctx->mLayerRotMap[i];
    297             ctx->mLayerRotMap[i] = NULL;
    298         }
    299     }
    300 }
    301 
    302 
    303 void dumpsys_log(android::String8& buf, const char* fmt, ...)
    304 {
    305     va_list varargs;
    306     va_start(varargs, fmt);
    307     buf.appendFormatV(fmt, varargs);
    308     va_end(varargs);
    309 }
    310 
    311 /* Calculates the destination position based on the action safe rectangle */
    312 void getActionSafePosition(hwc_context_t *ctx, int dpy, uint32_t& x,
    313                            uint32_t& y, uint32_t& w, uint32_t& h) {
    314 
    315     // if external supports underscan, do nothing
    316     // it will be taken care in the driver
    317     if(ctx->mExtDisplay->isCEUnderscanSupported())
    318         return;
    319 
    320     float wRatio = 1.0;
    321     float hRatio = 1.0;
    322     float xRatio = 1.0;
    323     float yRatio = 1.0;
    324 
    325     float fbWidth = ctx->dpyAttr[dpy].xres;
    326     float fbHeight = ctx->dpyAttr[dpy].yres;
    327 
    328     float asX = 0;
    329     float asY = 0;
    330     float asW = fbWidth;
    331     float asH= fbHeight;
    332     char value[PROPERTY_VALUE_MAX];
    333 
    334     // Apply action safe parameters
    335     property_get("hw.actionsafe.width", value, "0");
    336     int asWidthRatio = atoi(value);
    337     property_get("hw.actionsafe.height", value, "0");
    338     int asHeightRatio = atoi(value);
    339     // based on the action safe ratio, get the Action safe rectangle
    340     asW = fbWidth * (1.0f -  asWidthRatio / 100.0f);
    341     asH = fbHeight * (1.0f -  asHeightRatio / 100.0f);
    342     asX = (fbWidth - asW) / 2;
    343     asY = (fbHeight - asH) / 2;
    344 
    345     // calculate the position ratio
    346     xRatio = (float)x/fbWidth;
    347     yRatio = (float)y/fbHeight;
    348     wRatio = (float)w/fbWidth;
    349     hRatio = (float)h/fbHeight;
    350 
    351     //Calculate the position...
    352     x = (xRatio * asW) + asX;
    353     y = (yRatio * asH) + asY;
    354     w = (wRatio * asW);
    355     h = (hRatio * asH);
    356 
    357     return;
    358 }
    359 
    360 bool needsScaling(hwc_layer_1_t const* layer) {
    361     int dst_w, dst_h, src_w, src_h;
    362 
    363     hwc_rect_t displayFrame  = layer->displayFrame;
    364     hwc_rect_t sourceCrop = layer->sourceCrop;
    365 
    366     dst_w = displayFrame.right - displayFrame.left;
    367     dst_h = displayFrame.bottom - displayFrame.top;
    368 
    369     src_w = sourceCrop.right - sourceCrop.left;
    370     src_h = sourceCrop.bottom - sourceCrop.top;
    371 
    372     if(((src_w != dst_w) || (src_h != dst_h)))
    373         return true;
    374 
    375     return false;
    376 }
    377 
    378 bool isAlphaScaled(hwc_layer_1_t const* layer) {
    379     if(needsScaling(layer) && isAlphaPresent(layer)) {
    380         return true;
    381     }
    382     return false;
    383 }
    384 
    385 bool isAlphaPresent(hwc_layer_1_t const* layer) {
    386     private_handle_t *hnd = (private_handle_t *)layer->handle;
    387     if(hnd) {
    388         int format = hnd->format;
    389         switch(format) {
    390         case HAL_PIXEL_FORMAT_RGBA_8888:
    391         case HAL_PIXEL_FORMAT_BGRA_8888:
    392             // In any more formats with Alpha go here..
    393             return true;
    394         default : return false;
    395         }
    396     }
    397     return false;
    398 }
    399 
    400 // Switch ppd on/off for YUV
    401 static void configurePPD(hwc_context_t *ctx, int yuvCount) {
    402     if (!ctx->mCablProp.enabled)
    403         return;
    404 
    405     if (yuvCount > 0 && !ctx->mCablProp.start) {
    406         ctx->mCablProp.start = true;
    407         if(ctx->mCablProp.videoOnly)
    408             ppdComm("cabl:on", ctx);
    409         else
    410             ppdComm("cabl:yuv_on", ctx);
    411 
    412     } else if (yuvCount == 0 && ctx->mCablProp.start) {
    413         ctx->mCablProp.start = false;
    414         if(ctx->mCablProp.videoOnly)
    415             ppdComm("cabl:off", ctx);
    416         else
    417             ppdComm("cabl:yuv_off", ctx);
    418         return;
    419     }
    420 }
    421 
    422 void setListStats(hwc_context_t *ctx,
    423         const hwc_display_contents_1_t *list, int dpy) {
    424     const int prevYuvCount = ctx->listStats[dpy].yuvCount;
    425     ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1;
    426     ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1;
    427     ctx->listStats[dpy].skipCount = 0;
    428     ctx->listStats[dpy].needsAlphaScale = false;
    429     ctx->listStats[dpy].preMultipliedAlpha = false;
    430     ctx->listStats[dpy].planeAlpha = false;
    431     ctx->listStats[dpy].yuvCount = 0;
    432 
    433     //reset yuv indices
    434     memset(ctx->listStats[dpy].yuvIndices, -1, MAX_NUM_APP_LAYERS);
    435 
    436     for (size_t i = 0; i < (list->numHwLayers - 1); i++) {
    437         hwc_layer_1_t const* layer = &list->hwLayers[i];
    438         private_handle_t *hnd = (private_handle_t *)layer->handle;
    439 
    440         // continue if i reaches MAX_NUM_APP_LAYERS
    441         if(i >= MAX_NUM_APP_LAYERS)
    442             continue;
    443 
    444         if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
    445             continue;
    446         //We disregard FB being skip for now! so the else if
    447         } else if (isSkipLayer(&list->hwLayers[i])) {
    448             ctx->listStats[dpy].skipCount++;
    449         } else if (UNLIKELY(isYuvBuffer(hnd))) {
    450             int& yuvCount = ctx->listStats[dpy].yuvCount;
    451             ctx->listStats[dpy].yuvIndices[yuvCount] = i;
    452             yuvCount++;
    453 
    454             if(layer->transform & HWC_TRANSFORM_ROT_90)
    455                 ctx->mNeedsRotator = true;
    456         }
    457         if(layer->blending == HWC_BLENDING_PREMULT)
    458             ctx->listStats[dpy].preMultipliedAlpha = true;
    459         if(layer->planeAlpha < 0xFF)
    460             ctx->listStats[dpy].planeAlpha = true;
    461         if(!ctx->listStats[dpy].needsAlphaScale)
    462             ctx->listStats[dpy].needsAlphaScale = isAlphaScaled(layer);
    463     }
    464 
    465     //The marking of video begin/end is useful on some targets where we need
    466     //to have a padding round to be able to shift pipes across mixers.
    467     if(prevYuvCount != ctx->listStats[dpy].yuvCount) {
    468         ctx->mVideoTransFlag = true;
    469     }
    470 
    471     if (dpy == HWC_DISPLAY_PRIMARY)
    472         configurePPD(ctx, ctx->listStats[dpy].yuvCount);
    473 }
    474 
    475 
    476 static inline void calc_cut(float& leftCutRatio, float& topCutRatio,
    477         float& rightCutRatio, float& bottomCutRatio, int orient) {
    478     if(orient & HAL_TRANSFORM_FLIP_H) {
    479         swap(leftCutRatio, rightCutRatio);
    480     }
    481     if(orient & HAL_TRANSFORM_FLIP_V) {
    482         swap(topCutRatio, bottomCutRatio);
    483     }
    484     if(orient & HAL_TRANSFORM_ROT_90) {
    485         //Anti clock swapping
    486         float tmpCutRatio = leftCutRatio;
    487         leftCutRatio = topCutRatio;
    488         topCutRatio = rightCutRatio;
    489         rightCutRatio = bottomCutRatio;
    490         bottomCutRatio = tmpCutRatio;
    491     }
    492 }
    493 
    494 bool isSecuring(hwc_context_t* ctx, hwc_layer_1_t const* layer) {
    495     if((ctx->mMDP.version < qdutils::MDSS_V5) &&
    496        (ctx->mMDP.version > qdutils::MDP_V3_0) &&
    497         ctx->mSecuring) {
    498         return true;
    499     }
    500     //  On A-Family, Secure policy is applied system wide and not on
    501     //  buffers.
    502     if (isSecureModePolicy(ctx->mMDP.version)) {
    503         private_handle_t *hnd = (private_handle_t *)layer->handle;
    504         if(ctx->mSecureMode) {
    505             if (! isSecureBuffer(hnd)) {
    506                 // This code path executes for the following usecase:
    507                 // Some Apps in which first few seconds, framework
    508                 // sends non-secure buffer and with out destroying
    509                 // surfaces, switches to secure buffer thereby exposing
    510                 // vulnerability on A-family devices. Catch this situation
    511                 // and handle it gracefully by allowing it to be composed by
    512                 // GPU.
    513                 ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle non-secure video layer"
    514                          "during secure playback gracefully", __FUNCTION__);
    515                 return true;
    516             }
    517         } else {
    518             if (isSecureBuffer(hnd)) {
    519                 // This code path executes for the following usecase:
    520                 // For some Apps, when User terminates playback, Framework
    521                 // doesnt destroy video surface and video surface still
    522                 // comes to Display HAL. This exposes vulnerability on
    523                 // A-family. Catch this situation and handle it gracefully
    524                 // by allowing it to be composed by GPU.
    525                 ALOGD_IF(HWC_UTILS_DEBUG, "%s: Handle secure video layer"
    526                          "during non-secure playback gracefully", __FUNCTION__);
    527                 return true;
    528             }
    529         }
    530     }
    531     return false;
    532 }
    533 
    534 bool isSecureModePolicy(int mdpVersion) {
    535     if (mdpVersion < qdutils::MDSS_V5)
    536         return true;
    537     else
    538         return false;
    539 }
    540 
    541 int getBlending(int blending) {
    542     switch(blending) {
    543     case HWC_BLENDING_NONE:
    544         return overlay::utils::OVERLAY_BLENDING_OPAQUE;
    545     case HWC_BLENDING_PREMULT:
    546         return overlay::utils::OVERLAY_BLENDING_PREMULT;
    547     case HWC_BLENDING_COVERAGE :
    548     default:
    549         return overlay::utils::OVERLAY_BLENDING_COVERAGE;
    550     }
    551 }
    552 
    553 //Crops source buffer against destination and FB boundaries
    554 void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst,
    555                           const hwc_rect_t& scissor, int orient) {
    556 
    557     int& crop_l = crop.left;
    558     int& crop_t = crop.top;
    559     int& crop_r = crop.right;
    560     int& crop_b = crop.bottom;
    561     int crop_w = crop.right - crop.left;
    562     int crop_h = crop.bottom - crop.top;
    563 
    564     int& dst_l = dst.left;
    565     int& dst_t = dst.top;
    566     int& dst_r = dst.right;
    567     int& dst_b = dst.bottom;
    568     int dst_w = abs(dst.right - dst.left);
    569     int dst_h = abs(dst.bottom - dst.top);
    570 
    571     const int& sci_l = scissor.left;
    572     const int& sci_t = scissor.top;
    573     const int& sci_r = scissor.right;
    574     const int& sci_b = scissor.bottom;
    575 
    576     float leftCutRatio = 0.0f, rightCutRatio = 0.0f, topCutRatio = 0.0f,
    577             bottomCutRatio = 0.0f;
    578 
    579     if(dst_l < sci_l) {
    580         leftCutRatio = (float)(sci_l - dst_l) / (float)dst_w;
    581         dst_l = sci_l;
    582     }
    583 
    584     if(dst_r > sci_r) {
    585         rightCutRatio = (float)(dst_r - sci_r) / (float)dst_w;
    586         dst_r = sci_r;
    587     }
    588 
    589     if(dst_t < sci_t) {
    590         topCutRatio = (float)(sci_t - dst_t) / (float)dst_h;
    591         dst_t = sci_t;
    592     }
    593 
    594     if(dst_b > sci_b) {
    595         bottomCutRatio = (float)(dst_b - sci_b) / (float)dst_h;
    596         dst_b = sci_b;
    597     }
    598 
    599     calc_cut(leftCutRatio, topCutRatio, rightCutRatio, bottomCutRatio, orient);
    600     crop_l += crop_w * leftCutRatio;
    601     crop_t += crop_h * topCutRatio;
    602     crop_r -= crop_w * rightCutRatio;
    603     crop_b -= crop_h * bottomCutRatio;
    604 }
    605 
    606 void getNonWormholeRegion(hwc_display_contents_1_t* list,
    607                               hwc_rect_t& nwr)
    608 {
    609     uint32_t last = list->numHwLayers - 1;
    610     hwc_rect_t fbDisplayFrame = list->hwLayers[last].displayFrame;
    611     //Initiliaze nwr to first frame
    612     nwr.left =  list->hwLayers[0].displayFrame.left;
    613     nwr.top =  list->hwLayers[0].displayFrame.top;
    614     nwr.right =  list->hwLayers[0].displayFrame.right;
    615     nwr.bottom =  list->hwLayers[0].displayFrame.bottom;
    616 
    617     for (uint32_t i = 1; i < last; i++) {
    618         hwc_rect_t displayFrame = list->hwLayers[i].displayFrame;
    619         nwr.left   = min(nwr.left, displayFrame.left);
    620         nwr.top    = min(nwr.top, displayFrame.top);
    621         nwr.right  = max(nwr.right, displayFrame.right);
    622         nwr.bottom = max(nwr.bottom, displayFrame.bottom);
    623     }
    624 
    625     //Intersect with the framebuffer
    626     nwr.left   = max(nwr.left, fbDisplayFrame.left);
    627     nwr.top    = max(nwr.top, fbDisplayFrame.top);
    628     nwr.right  = min(nwr.right, fbDisplayFrame.right);
    629     nwr.bottom = min(nwr.bottom, fbDisplayFrame.bottom);
    630 
    631 }
    632 
    633 bool isExternalActive(hwc_context_t* ctx) {
    634     return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive;
    635 }
    636 
    637 void closeAcquireFds(hwc_display_contents_1_t* list) {
    638     if(LIKELY(list)) {
    639         for(uint32_t i = 0; i < list->numHwLayers; i++) {
    640             //Close the acquireFenceFds
    641             //HWC_FRAMEBUFFER are -1 already by SF, rest we close.
    642             if(list->hwLayers[i].acquireFenceFd >= 0) {
    643                 close(list->hwLayers[i].acquireFenceFd);
    644                 list->hwLayers[i].acquireFenceFd = -1;
    645             }
    646         }
    647     }
    648 }
    649 
    650 int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
    651         int fd) {
    652     int ret = 0;
    653     int acquireFd[MAX_NUM_APP_LAYERS];
    654     int count = 0;
    655     int releaseFd = -1;
    656     int retireFd = -1;
    657     int fbFd = -1;
    658     bool swapzero = false;
    659     int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
    660 
    661     struct mdp_buf_sync data;
    662     memset(&data, 0, sizeof(data));
    663     //Until B-family supports sync for rotator
    664     if(mdpVersion >= qdutils::MDSS_V5) {
    665         data.flags = MDP_BUF_SYNC_FLAG_WAIT;
    666     }
    667     data.acq_fen_fd = acquireFd;
    668     data.rel_fen_fd = &releaseFd;
    669     data.retire_fen_fd = &retireFd;
    670 
    671 #ifdef DEBUG_SWAPINTERVAL
    672     char property[PROPERTY_VALUE_MAX];
    673     if(property_get("debug.egl.swapinterval", property, "1") > 0) {
    674         if(atoi(property) == 0)
    675             swapzero = true;
    676     }
    677 #endif
    678 
    679 #ifndef MDSS_TARGET
    680     //Send acquireFenceFds to rotator
    681     if(mdpVersion < qdutils::MDSS_V5) {
    682         //A-family
    683         int rotFd = ctx->mRotMgr->getRotDevFd();
    684         struct msm_rotator_buf_sync rotData;
    685 
    686         for(uint32_t i = 0; i < ctx->mLayerRotMap[dpy]->getCount(); i++) {
    687             memset(&rotData, 0, sizeof(rotData));
    688             int& acquireFenceFd =
    689                 ctx->mLayerRotMap[dpy]->getLayer(i)->acquireFenceFd;
    690             rotData.acq_fen_fd = acquireFenceFd;
    691             rotData.session_id = ctx->mLayerRotMap[dpy]->getRot(i)->getSessId();
    692             ioctl(rotFd, MSM_ROTATOR_IOCTL_BUFFER_SYNC, &rotData);
    693             close(acquireFenceFd);
    694              //For MDP to wait on.
    695             acquireFenceFd = dup(rotData.rel_fen_fd);
    696             //A buffer is free to be used by producer as soon as its copied to
    697             //rotator.
    698             ctx->mLayerRotMap[dpy]->getLayer(i)->releaseFenceFd =
    699                     rotData.rel_fen_fd;
    700         }
    701     } else {
    702         //TODO B-family
    703     }
    704 
    705 #endif
    706     //Accumulate acquireFenceFds for MDP
    707     for(uint32_t i = 0; i < list->numHwLayers; i++) {
    708         if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
    709                         list->hwLayers[i].acquireFenceFd >= 0) {
    710             if(UNLIKELY(swapzero))
    711                 acquireFd[count++] = -1;
    712             else
    713                 acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
    714         }
    715         if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
    716             if(UNLIKELY(swapzero))
    717                 acquireFd[count++] = -1;
    718             else if(fd >= 0) {
    719                 //set the acquireFD from fd - which is coming from c2d
    720                 acquireFd[count++] = fd;
    721                 // Buffer sync IOCTL should be async when using c2d fence is
    722                 // used
    723                 data.flags &= ~MDP_BUF_SYNC_FLAG_WAIT;
    724             } else if(list->hwLayers[i].acquireFenceFd >= 0)
    725                 acquireFd[count++] = list->hwLayers[i].acquireFenceFd;
    726         }
    727     }
    728 
    729     data.acq_fen_fd_cnt = count;
    730     fbFd = ctx->dpyAttr[dpy].fd;
    731 
    732     //Waits for acquire fences, returns a release fence
    733     if(LIKELY(!swapzero)) {
    734         uint64_t start = systemTime();
    735         ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data);
    736         ALOGD_IF(HWC_UTILS_DEBUG, "%s: time taken for MSMFB_BUFFER_SYNC IOCTL = %d",
    737                             __FUNCTION__, (size_t) ns2ms(systemTime() - start));
    738     }
    739 
    740     if(ret < 0) {
    741         ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s",
    742                 strerror(errno));
    743     }
    744 
    745     for(uint32_t i = 0; i < list->numHwLayers; i++) {
    746         if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
    747            list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
    748             //Populate releaseFenceFds.
    749             if(UNLIKELY(swapzero)) {
    750                 list->hwLayers[i].releaseFenceFd = -1;
    751             } else if(list->hwLayers[i].releaseFenceFd < 0) {
    752                 //If rotator has not already populated this field.
    753                 list->hwLayers[i].releaseFenceFd = dup(releaseFd);
    754             }
    755         }
    756     }
    757 
    758     if(fd >= 0) {
    759         close(fd);
    760         fd = -1;
    761     }
    762 
    763     if (ctx->mCopyBit[dpy])
    764         ctx->mCopyBit[dpy]->setReleaseFd(releaseFd);
    765 
    766     //A-family
    767     if(mdpVersion < qdutils::MDSS_V5) {
    768         //Signals when MDP finishes reading rotator buffers.
    769         ctx->mLayerRotMap[dpy]->setReleaseFd(releaseFd);
    770     }
    771     close(releaseFd);
    772     if(UNLIKELY(swapzero))
    773         list->retireFenceFd = -1;
    774     else
    775         list->retireFenceFd = retireFd;
    776     return ret;
    777 }
    778 
    779 void trimLayer(hwc_context_t *ctx, const int& dpy, const int& transform,
    780         hwc_rect_t& crop, hwc_rect_t& dst) {
    781     int hw_w = ctx->dpyAttr[dpy].xres;
    782     int hw_h = ctx->dpyAttr[dpy].yres;
    783     if(dst.left < 0 || dst.top < 0 ||
    784             dst.right > hw_w || dst.bottom > hw_h) {
    785         hwc_rect_t scissor = {0, 0, hw_w, hw_h };
    786         qhwc::calculate_crop_rects(crop, dst, scissor, transform);
    787     }
    788 }
    789 
    790 void setMdpFlags(hwc_layer_1_t *layer,
    791         ovutils::eMdpFlags &mdpFlags,
    792         int rotDownscale) {
    793     private_handle_t *hnd = (private_handle_t *)layer->handle;
    794     MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
    795     const int& transform = layer->transform;
    796 
    797     if(layer->blending == HWC_BLENDING_PREMULT) {
    798         ovutils::setMdpFlags(mdpFlags,
    799                 ovutils::OV_MDP_BLEND_FG_PREMULT);
    800     }
    801 
    802     if(isYuvBuffer(hnd)) {
    803         if(isSecureBuffer(hnd)) {
    804             ovutils::setMdpFlags(mdpFlags,
    805                     ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
    806         }
    807         if(metadata && (metadata->operation & PP_PARAM_INTERLACED) &&
    808                 metadata->interlaced) {
    809             ovutils::setMdpFlags(mdpFlags,
    810                     ovutils::OV_MDP_DEINTERLACE);
    811         }
    812         //Pre-rotation will be used using rotator.
    813         if(transform & HWC_TRANSFORM_ROT_90) {
    814             ovutils::setMdpFlags(mdpFlags,
    815                     ovutils::OV_MDP_SOURCE_ROTATED_90);
    816         }
    817     }
    818 
    819     //No 90 component and no rot-downscale then flips done by MDP
    820     //If we use rot then it might as well do flips
    821     if(!(layer->transform & HWC_TRANSFORM_ROT_90) && !rotDownscale) {
    822         if(layer->transform & HWC_TRANSFORM_FLIP_H) {
    823             ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_FLIP_H);
    824         }
    825 
    826         if(layer->transform & HWC_TRANSFORM_FLIP_V) {
    827             ovutils::setMdpFlags(mdpFlags,  ovutils::OV_MDP_FLIP_V);
    828         }
    829     }
    830 
    831     if(metadata &&
    832         ((metadata->operation & PP_PARAM_HSIC)
    833         || (metadata->operation & PP_PARAM_IGC)
    834         || (metadata->operation & PP_PARAM_SHARP2))) {
    835         ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_PP_EN);
    836     }
    837 }
    838 
    839 static inline int configRotator(Rotator *rot, const Whf& whf,
    840         const Whf& origWhf, const eMdpFlags& mdpFlags,
    841         const eTransform& orient,
    842         const int& downscale) {
    843     rot->setSource(whf, origWhf);
    844     rot->setFlags(mdpFlags);
    845     rot->setTransform(orient);
    846     rot->setDownscale(downscale);
    847     if(!rot->commit()) return -1;
    848     return 0;
    849 }
    850 
    851 /*
    852  * Sets up BORDERFILL as default base pipe and detaches RGB0.
    853  * Framebuffer is always updated using PLAY ioctl.
    854  */
    855 bool setupBasePipe(hwc_context_t *ctx) {
    856     const int dpy = HWC_DISPLAY_PRIMARY;
    857     int fb_width = ctx->dpyAttr[dpy].xres;
    858     int fb_height = ctx->dpyAttr[dpy].yres;
    859     int fb_fd = ctx->dpyAttr[dpy].fd;
    860 
    861     mdp_overlay ovInfo;
    862     msmfb_overlay_data ovData;
    863     memset(&ovInfo, 0, sizeof(mdp_overlay));
    864     memset(&ovData, 0, sizeof(msmfb_overlay_data));
    865 
    866     ovInfo.src.format = MDP_RGB_BORDERFILL;
    867     ovInfo.src.width  = fb_width;
    868     ovInfo.src.height = fb_height;
    869     ovInfo.src_rect.w = fb_width;
    870     ovInfo.src_rect.h = fb_height;
    871     ovInfo.dst_rect.w = fb_width;
    872     ovInfo.dst_rect.h = fb_height;
    873     ovInfo.id = MSMFB_NEW_REQUEST;
    874 
    875     if (ioctl(fb_fd, MSMFB_OVERLAY_SET, &ovInfo) < 0) {
    876         ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
    877                 strerror(errno));
    878         return false;
    879     }
    880 
    881     ovData.id = ovInfo.id;
    882     if (ioctl(fb_fd, MSMFB_OVERLAY_PLAY, &ovData) < 0) {
    883         ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
    884                 strerror(errno));
    885         return false;
    886     }
    887     ctx->mBasePipeSetup = true;
    888     return true;
    889 }
    890 
    891 
    892 static inline int configMdp(Overlay *ov, const PipeArgs& parg,
    893         const eTransform& orient, const hwc_rect_t& crop,
    894         const hwc_rect_t& pos, const MetaData_t *metadata,
    895         const eDest& dest) {
    896     ov->setSource(parg, dest);
    897     ov->setTransform(orient, dest);
    898 
    899     int crop_w = crop.right - crop.left;
    900     int crop_h = crop.bottom - crop.top;
    901     Dim dcrop(crop.left, crop.top, crop_w, crop_h);
    902     ov->setCrop(dcrop, dest);
    903 
    904     int posW = pos.right - pos.left;
    905     int posH = pos.bottom - pos.top;
    906     Dim position(pos.left, pos.top, posW, posH);
    907     ov->setPosition(position, dest);
    908 
    909     if (metadata)
    910         ov->setVisualParams(*metadata, dest);
    911 
    912     if (!ov->commit(dest)) {
    913         return -1;
    914     }
    915     return 0;
    916 }
    917 
    918 static inline void updateSource(eTransform& orient, Whf& whf,
    919         hwc_rect_t& crop) {
    920     Dim srcCrop(crop.left, crop.top,
    921             crop.right - crop.left,
    922             crop.bottom - crop.top);
    923     //getMdpOrient will switch the flips if the source is 90 rotated.
    924     //Clients in Android dont factor in 90 rotation while deciding the flip.
    925     orient = static_cast<eTransform>(ovutils::getMdpOrient(orient));
    926     preRotateSource(orient, whf, srcCrop);
    927     crop.left = srcCrop.x;
    928     crop.top = srcCrop.y;
    929     crop.right = srcCrop.x + srcCrop.w;
    930     crop.bottom = srcCrop.y + srcCrop.h;
    931 }
    932 
    933 int configureLowRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
    934         const int& dpy, eMdpFlags& mdpFlags, const eZorder& z,
    935         const eIsFg& isFg, const eDest& dest, Rotator **rot) {
    936 
    937     private_handle_t *hnd = (private_handle_t *)layer->handle;
    938     if(!hnd) {
    939         ALOGE("%s: layer handle is NULL", __FUNCTION__);
    940         return -1;
    941     }
    942 
    943     MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
    944 
    945     hwc_rect_t crop = layer->sourceCrop;
    946     hwc_rect_t dst = layer->displayFrame;
    947     int transform = layer->transform;
    948     eTransform orient = static_cast<eTransform>(transform);
    949     int downscale = 0;
    950     int rotFlags = ovutils::ROT_FLAGS_NONE;
    951     Whf whf(getWidth(hnd), getHeight(hnd),
    952             getMdpFormat(hnd->format), hnd->size);
    953     bool forceRot = false;
    954 
    955     if(isYuvBuffer(hnd) && ctx->mMDP.version >= qdutils::MDP_V4_2 &&
    956        ctx->mMDP.version < qdutils::MDSS_V5) {
    957         downscale =  getDownscaleFactor(
    958             crop.right - crop.left,
    959             crop.bottom - crop.top,
    960             dst.right - dst.left,
    961             dst.bottom - dst.top);
    962         if(downscale) {
    963             rotFlags = ROT_DOWNSCALE_ENABLED;
    964         }
    965         unsigned int& prevWidth = ctx->mPrevWHF[dpy].w;
    966         unsigned int& prevHeight = ctx->mPrevWHF[dpy].h;
    967         if(prevWidth != (uint32_t)getWidth(hnd) ||
    968                prevHeight != (uint32_t)getHeight(hnd)) {
    969             uint32_t prevBufArea = (prevWidth * prevHeight);
    970             if(prevBufArea) {
    971                 forceRot = true;
    972             }
    973             prevWidth = (uint32_t)getWidth(hnd);
    974             prevHeight = (uint32_t)getHeight(hnd);
    975         }
    976     }
    977 
    978     setMdpFlags(layer, mdpFlags, downscale);
    979     trimLayer(ctx, dpy, transform, crop, dst);
    980 
    981     if(isYuvBuffer(hnd) && //if 90 component or downscale, use rot
    982             ((transform & HWC_TRANSFORM_ROT_90) || downscale || forceRot)) {
    983         *rot = ctx->mRotMgr->getNext();
    984         if(*rot == NULL) return -1;
    985         //Configure rotator for pre-rotation
    986         Whf origWhf(hnd->width, hnd->height,
    987                     getMdpFormat(hnd->format), hnd->size);
    988         if(configRotator(*rot, whf, origWhf,  mdpFlags, orient, downscale) < 0)
    989             return -1;
    990         ctx->mLayerRotMap[dpy]->add(layer, *rot);
    991         whf.format = (*rot)->getDstFormat();
    992         updateSource(orient, whf, crop);
    993         rotFlags |= ovutils::ROT_PREROTATED;
    994     }
    995 
    996     //For the mdp, since either we are pre-rotating or MDP does flips
    997     orient = OVERLAY_TRANSFORM_0;
    998     transform = 0;
    999 
   1000     PipeArgs parg(mdpFlags, whf, z, isFg,
   1001                   static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
   1002                   (ovutils::eBlending) getBlending(layer->blending));
   1003 
   1004     if(configMdp(ctx->mOverlay, parg, orient, crop, dst, metadata, dest) < 0) {
   1005         ALOGE("%s: commit failed for low res panel", __FUNCTION__);
   1006         ctx->mLayerRotMap[dpy]->reset();
   1007         return -1;
   1008     }
   1009     return 0;
   1010 }
   1011 
   1012 int configureHighRes(hwc_context_t *ctx, hwc_layer_1_t *layer,
   1013         const int& dpy, eMdpFlags& mdpFlagsL, const eZorder& z,
   1014         const eIsFg& isFg, const eDest& lDest, const eDest& rDest,
   1015         Rotator **rot) {
   1016     private_handle_t *hnd = (private_handle_t *)layer->handle;
   1017     if(!hnd) {
   1018         ALOGE("%s: layer handle is NULL", __FUNCTION__);
   1019         return -1;
   1020     }
   1021 
   1022     MetaData_t *metadata = (MetaData_t *)hnd->base_metadata;
   1023 
   1024     int hw_w = ctx->dpyAttr[dpy].xres;
   1025     int hw_h = ctx->dpyAttr[dpy].yres;
   1026     hwc_rect_t crop = layer->sourceCrop;
   1027     hwc_rect_t dst = layer->displayFrame;
   1028     int transform = layer->transform;
   1029     eTransform orient = static_cast<eTransform>(transform);
   1030     const int downscale = 0;
   1031     int rotFlags = ROT_FLAGS_NONE;
   1032 
   1033     Whf whf(getWidth(hnd), getHeight(hnd),
   1034             getMdpFormat(hnd->format), hnd->size);
   1035 
   1036     setMdpFlags(layer, mdpFlagsL);
   1037     trimLayer(ctx, dpy, transform, crop, dst);
   1038 
   1039     if(isYuvBuffer(hnd) && (transform & HWC_TRANSFORM_ROT_90)) {
   1040         (*rot) = ctx->mRotMgr->getNext();
   1041         if((*rot) == NULL) return -1;
   1042         //Configure rotator for pre-rotation
   1043         Whf origWhf(hnd->width, hnd->height,
   1044                     getMdpFormat(hnd->format), hnd->size);
   1045         if(configRotator(*rot, whf, origWhf, mdpFlagsL, orient, downscale) < 0)
   1046             return -1;
   1047         ctx->mLayerRotMap[dpy]->add(layer, *rot);
   1048         whf.format = (*rot)->getDstFormat();
   1049         updateSource(orient, whf, crop);
   1050         rotFlags |= ROT_PREROTATED;
   1051     }
   1052 
   1053     eMdpFlags mdpFlagsR = mdpFlagsL;
   1054     setMdpFlags(mdpFlagsR, OV_MDSS_MDP_RIGHT_MIXER);
   1055 
   1056     hwc_rect_t tmp_cropL, tmp_dstL;
   1057     hwc_rect_t tmp_cropR, tmp_dstR;
   1058 
   1059     if(lDest != OV_INVALID) {
   1060         tmp_cropL = crop;
   1061         tmp_dstL = dst;
   1062         hwc_rect_t scissor = {0, 0, hw_w/2, hw_h };
   1063         qhwc::calculate_crop_rects(tmp_cropL, tmp_dstL, scissor, 0);
   1064     }
   1065     if(rDest != OV_INVALID) {
   1066         tmp_cropR = crop;
   1067         tmp_dstR = dst;
   1068         hwc_rect_t scissor = {hw_w/2, 0, hw_w, hw_h };
   1069         qhwc::calculate_crop_rects(tmp_cropR, tmp_dstR, scissor, 0);
   1070     }
   1071 
   1072     //When buffer is flipped, contents of mixer config also needs to swapped.
   1073     //Not needed if the layer is confined to one half of the screen.
   1074     //If rotator has been used then it has also done the flips, so ignore them.
   1075     if((orient & OVERLAY_TRANSFORM_FLIP_V) && lDest != OV_INVALID
   1076             && rDest != OV_INVALID && rot == NULL) {
   1077         hwc_rect_t new_cropR;
   1078         new_cropR.left = tmp_cropL.left;
   1079         new_cropR.right = new_cropR.left + (tmp_cropR.right - tmp_cropR.left);
   1080 
   1081         hwc_rect_t new_cropL;
   1082         new_cropL.left  = new_cropR.right;
   1083         new_cropL.right = tmp_cropR.right;
   1084 
   1085         tmp_cropL.left =  new_cropL.left;
   1086         tmp_cropL.right =  new_cropL.right;
   1087 
   1088         tmp_cropR.left = new_cropR.left;
   1089         tmp_cropR.right =  new_cropR.right;
   1090 
   1091     }
   1092 
   1093     //For the mdp, since either we are pre-rotating or MDP does flips
   1094     orient = OVERLAY_TRANSFORM_0;
   1095     transform = 0;
   1096 
   1097     //configure left mixer
   1098     if(lDest != OV_INVALID) {
   1099         PipeArgs pargL(mdpFlagsL, whf, z, isFg,
   1100                        static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
   1101                        (ovutils::eBlending) getBlending(layer->blending));
   1102 
   1103         if(configMdp(ctx->mOverlay, pargL, orient,
   1104                 tmp_cropL, tmp_dstL, metadata, lDest) < 0) {
   1105             ALOGE("%s: commit failed for left mixer config", __FUNCTION__);
   1106             return -1;
   1107         }
   1108     }
   1109 
   1110     //configure right mixer
   1111     if(rDest != OV_INVALID) {
   1112         PipeArgs pargR(mdpFlagsR, whf, z, isFg,
   1113                 static_cast<eRotFlags>(rotFlags), layer->planeAlpha,
   1114                 (ovutils::eBlending) getBlending(layer->blending));
   1115 
   1116         tmp_dstR.right = tmp_dstR.right - tmp_dstR.left;
   1117         tmp_dstR.left = 0;
   1118         if(configMdp(ctx->mOverlay, pargR, orient,
   1119                 tmp_cropR, tmp_dstR, metadata, rDest) < 0) {
   1120             ALOGE("%s: commit failed for right mixer config", __FUNCTION__);
   1121             return -1;
   1122         }
   1123     }
   1124 
   1125     return 0;
   1126 }
   1127 
   1128 void LayerRotMap::add(hwc_layer_1_t* layer, Rotator *rot) {
   1129     if(mCount >= MAX_SESS) return;
   1130     mLayer[mCount] = layer;
   1131     mRot[mCount] = rot;
   1132     mCount++;
   1133 }
   1134 
   1135 void LayerRotMap::reset() {
   1136     for (int i = 0; i < MAX_SESS; i++) {
   1137         mLayer[i] = 0;
   1138         mRot[i] = 0;
   1139     }
   1140     mCount = 0;
   1141 }
   1142 
   1143 void LayerRotMap::setReleaseFd(const int& fence) {
   1144     for(uint32_t i = 0; i < mCount; i++) {
   1145         mRot[i]->setReleaseFd(dup(fence));
   1146     }
   1147 }
   1148 
   1149 };//namespace qhwc
   1150