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      1 /*
      2 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
      3 *
      4 * Redistribution and use in source and binary forms, with or without
      5 * modification, are permitted provided that the following conditions are
      6 * met:
      7 *    * Redistributions of source code must retain the above copyright
      8 *      notice, this list of conditions and the following disclaimer.
      9 *    * Redistributions in binary form must reproduce the above
     10 *      copyright notice, this list of conditions and the following
     11 *      disclaimer in the documentation and/or other materials provided
     12 *      with the distribution.
     13 *    * Neither the name of The Linux Foundation nor the names of its
     14 *      contributors may be used to endorse or promote products derived
     15 *      from this software without specific prior written permission.
     16 *
     17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 */
     29 
     30 #include "overlayGenPipe.h"
     31 #include "mdp_version.h"
     32 
     33 namespace overlay {
     34 
     35 GenericPipe::GenericPipe(const int& dpy) : mDpy(dpy), mRotDownscaleOpt(false),
     36     pipeState(CLOSED), mCtrl(new Ctrl(dpy)), mData(new Data(dpy)) {
     37 }
     38 
     39 GenericPipe::~GenericPipe() {
     40     delete mCtrl;
     41     delete mData;
     42     setClosed();
     43 }
     44 
     45 void GenericPipe::setSource(const utils::PipeArgs& args) {
     46     mRotDownscaleOpt = args.rotFlags & utils::ROT_DOWNSCALE_ENABLED;
     47     mCtrl->setSource(args);
     48 }
     49 
     50 void GenericPipe::setCrop(const overlay::utils::Dim& d) {
     51     mCtrl->setCrop(d);
     52 }
     53 
     54 void GenericPipe::setColor(const uint32_t color) {
     55     mCtrl->setColor(color);
     56 }
     57 
     58 void GenericPipe::setTransform(const utils::eTransform& orient) {
     59     mCtrl->setTransform(orient);
     60 }
     61 
     62 void GenericPipe::setPosition(const utils::Dim& d) {
     63     mCtrl->setPosition(d);
     64 }
     65 
     66 bool GenericPipe::setVisualParams(const MetaData_t &metadata)
     67 {
     68         return mCtrl->setVisualParams(metadata);
     69 }
     70 
     71 bool GenericPipe::commit() {
     72     bool ret = false;
     73     int downscale_factor = utils::ROT_DS_NONE;
     74 
     75     if(mRotDownscaleOpt) {
     76         ovutils::Dim src(mCtrl->getCrop());
     77         ovutils::Dim dst(mCtrl->getPosition());
     78         downscale_factor = ovutils::getDownscaleFactor(
     79                 src.w, src.h, dst.w, dst.h);
     80     }
     81 
     82     mCtrl->setDownscale(downscale_factor);
     83     ret = mCtrl->commit();
     84 
     85     pipeState = ret ? OPEN : CLOSED;
     86     return ret;
     87 }
     88 
     89 bool GenericPipe::queueBuffer(int fd, uint32_t offset) {
     90     //TODO Move pipe-id transfer to CtrlData class. Make ctrl and data private.
     91     OVASSERT(isOpen(), "State is closed, cannot queueBuffer");
     92     int pipeId = mCtrl->getPipeId();
     93     OVASSERT(-1 != pipeId, "Ctrl ID should not be -1");
     94     // set pipe id from ctrl to data
     95     mData->setPipeId(pipeId);
     96 
     97     return mData->queueBuffer(fd, offset);
     98 }
     99 
    100 int GenericPipe::getCtrlFd() const {
    101     return mCtrl->getFd();
    102 }
    103 
    104 utils::Dim GenericPipe::getCrop() const
    105 {
    106     return mCtrl->getCrop();
    107 }
    108 
    109 uint8_t GenericPipe::getPriority() const {
    110     return mCtrl->getPriority();
    111 }
    112 
    113 void GenericPipe::dump() const
    114 {
    115     ALOGE("== Dump Generic pipe start ==");
    116     ALOGE("pipe state = %d", (int)pipeState);
    117     mCtrl->dump();
    118     mData->dump();
    119     ALOGE("== Dump Generic pipe end ==");
    120 }
    121 
    122 void GenericPipe::getDump(char *buf, size_t len) {
    123     mCtrl->getDump(buf, len);
    124     mData->getDump(buf, len);
    125 }
    126 
    127 bool GenericPipe::isClosed() const  {
    128     return (pipeState == CLOSED);
    129 }
    130 
    131 bool GenericPipe::isOpen() const  {
    132     return (pipeState == OPEN);
    133 }
    134 
    135 bool GenericPipe::setClosed() {
    136     pipeState = CLOSED;
    137     return true;
    138 }
    139 
    140 int GenericPipe::getPipeId() {
    141     return mCtrl->getPipeId();
    142 }
    143 
    144 bool GenericPipe::validateAndSet(GenericPipe* pipeArray[], const int& count,
    145         const int& fbFd) {
    146     Ctrl* ctrlArray[count];
    147     memset(&ctrlArray, 0, sizeof(ctrlArray));
    148 
    149     for(int i = 0; i < count; i++) {
    150         ctrlArray[i] = pipeArray[i]->mCtrl;
    151     }
    152 
    153     return Ctrl::validateAndSet(ctrlArray, count, fbFd);
    154 }
    155 
    156 } //namespace overlay
    157