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
GenericPipe(const int & dpy)35 GenericPipe::GenericPipe(const int& dpy) : mDpy(dpy), mRotDownscaleOpt(false),
36 pipeState(CLOSED), mCtrl(new Ctrl(dpy)), mData(new Data(dpy)) {
37 }
38
~GenericPipe()39 GenericPipe::~GenericPipe() {
40 delete mCtrl;
41 delete mData;
42 setClosed();
43 }
44
setSource(const utils::PipeArgs & args)45 void GenericPipe::setSource(const utils::PipeArgs& args) {
46 mRotDownscaleOpt = args.rotFlags & utils::ROT_DOWNSCALE_ENABLED;
47 mCtrl->setSource(args);
48 }
49
setCrop(const overlay::utils::Dim & d)50 void GenericPipe::setCrop(const overlay::utils::Dim& d) {
51 mCtrl->setCrop(d);
52 }
53
setColor(const uint32_t color)54 void GenericPipe::setColor(const uint32_t color) {
55 mCtrl->setColor(color);
56 }
57
setTransform(const utils::eTransform & orient)58 void GenericPipe::setTransform(const utils::eTransform& orient) {
59 mCtrl->setTransform(orient);
60 }
61
setPosition(const utils::Dim & d)62 void GenericPipe::setPosition(const utils::Dim& d) {
63 mCtrl->setPosition(d);
64 }
65
setVisualParams(const MetaData_t & metadata)66 bool GenericPipe::setVisualParams(const MetaData_t &metadata)
67 {
68 return mCtrl->setVisualParams(metadata);
69 }
70
commit()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
queueBuffer(int fd,uint32_t offset)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
getCtrlFd() const100 int GenericPipe::getCtrlFd() const {
101 return mCtrl->getFd();
102 }
103
getCrop() const104 utils::Dim GenericPipe::getCrop() const
105 {
106 return mCtrl->getCrop();
107 }
108
dump() const109 void GenericPipe::dump() const
110 {
111 ALOGE("== Dump Generic pipe start ==");
112 ALOGE("pipe state = %d", (int)pipeState);
113 mCtrl->dump();
114 mData->dump();
115 ALOGE("== Dump Generic pipe end ==");
116 }
117
getDump(char * buf,size_t len)118 void GenericPipe::getDump(char *buf, size_t len) {
119 mCtrl->getDump(buf, len);
120 mData->getDump(buf, len);
121 }
122
isClosed() const123 bool GenericPipe::isClosed() const {
124 return (pipeState == CLOSED);
125 }
126
isOpen() const127 bool GenericPipe::isOpen() const {
128 return (pipeState == OPEN);
129 }
130
setClosed()131 bool GenericPipe::setClosed() {
132 pipeState = CLOSED;
133 return true;
134 }
135
getPipeId()136 int GenericPipe::getPipeId() {
137 return mCtrl->getPipeId();
138 }
139
validateAndSet(GenericPipe * pipeArray[],const int & count,const int & fbFd)140 bool GenericPipe::validateAndSet(GenericPipe* pipeArray[], const int& count,
141 const int& fbFd) {
142 Ctrl* ctrlArray[count];
143 memset(&ctrlArray, 0, sizeof(ctrlArray));
144
145 for(int i = 0; i < count; i++) {
146 ctrlArray[i] = pipeArray[i]->mCtrl;
147 }
148
149 return Ctrl::validateAndSet(ctrlArray, count, fbFd);
150 }
151
152 } //namespace overlay
153