1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
/*
* Copyright (C) 2008 The Android Open Source Project
* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "overlayUtils.h"
#include "overlayMdp.h"
#undef ALOG_TAG
#define ALOG_TAG "overlay"
namespace ovutils = overlay::utils;
namespace overlay {
//Helper to even out x,w and y,h pairs
//x,y are always evened to ceil and w,h are evened to floor
static void normalizeCrop(uint32_t& xy, uint32_t& wh) {
if(xy & 1) {
utils::even_ceil(xy);
if(wh & 1)
utils::even_floor(wh);
else
wh -= 2;
} else {
utils::even_floor(wh);
}
}
bool MdpCtrl::init(uint32_t fbnum) {
// FD init
if(!utils::openDev(mFd, fbnum,
Res::fbPath, O_RDWR)){
ALOGE("Ctrl failed to init fbnum=%d", fbnum);
return false;
}
return true;
}
void MdpCtrl::reset() {
utils::memset0(mOVInfo);
utils::memset0(mLkgo);
mOVInfo.id = MSMFB_NEW_REQUEST;
mLkgo.id = MSMFB_NEW_REQUEST;
mOrientation = utils::OVERLAY_TRANSFORM_0;
mRotUsed = false;
}
bool MdpCtrl::close() {
bool result = true;
if(MSMFB_NEW_REQUEST != static_cast<int>(mOVInfo.id)) {
if(!mdp_wrapper::unsetOverlay(mFd.getFD(), mOVInfo.id)) {
ALOGE("MdpCtrl close error in unset");
result = false;
}
}
reset();
if(!mFd.close()) {
result = false;
}
return result;
}
bool MdpCtrl::setSource(const utils::PipeArgs& args) {
setSrcWhf(args.whf);
//TODO These are hardcoded. Can be moved out of setSource.
mOVInfo.alpha = 0xff;
mOVInfo.transp_mask = 0xffffffff;
//TODO These calls should ideally be a part of setPipeParams API
setFlags(args.mdpFlags);
setZ(args.zorder);
setIsFg(args.isFg);
return true;
}
bool MdpCtrl::setCrop(const utils::Dim& d) {
setSrcRectDim(d);
return true;
}
bool MdpCtrl::setPosition(const overlay::utils::Dim& d,
int fbw, int fbh)
{
ovutils::Dim dim(d);
ovutils::Dim ovsrcdim = getSrcRectDim();
// Scaling of upto a max of 20 times supported
if(dim.w >(ovsrcdim.w * ovutils::HW_OV_MAGNIFICATION_LIMIT)){
dim.w = ovutils::HW_OV_MAGNIFICATION_LIMIT * ovsrcdim.w;
dim.x = (fbw - dim.w) / 2;
}
if(dim.h >(ovsrcdim.h * ovutils::HW_OV_MAGNIFICATION_LIMIT)) {
dim.h = ovutils::HW_OV_MAGNIFICATION_LIMIT * ovsrcdim.h;
dim.y = (fbh - dim.h) / 2;
}
setDstRectDim(dim);
return true;
}
bool MdpCtrl::setTransform(const utils::eTransform& orient,
const bool& rotUsed) {
int rot = utils::getMdpOrient(orient);
setUserData(rot);
//getMdpOrient will switch the flips if the source is 90 rotated.
//Clients in Android dont factor in 90 rotation while deciding the flip.
mOrientation = static_cast<utils::eTransform>(rot);
//Rotator can be requested by client even if layer has 0 orientation.
mRotUsed = rotUsed;
return true;
}
void MdpCtrl::doTransform() {
adjustSrcWhf(mRotUsed);
setRotationFlags();
//180 will be H + V
//270 will be H + V + 90
if(mOrientation & utils::OVERLAY_TRANSFORM_FLIP_H) {
overlayTransFlipH();
}
if(mOrientation & utils::OVERLAY_TRANSFORM_FLIP_V) {
overlayTransFlipV();
}
if(mOrientation & utils::OVERLAY_TRANSFORM_ROT_90) {
overlayTransRot90();
}
}
bool MdpCtrl::set() {
//deferred calcs, so APIs could be called in any order.
doTransform();
utils::Whf whf = getSrcWhf();
if(utils::isYuv(whf.format)) {
normalizeCrop(mOVInfo.src_rect.x, mOVInfo.src_rect.w);
normalizeCrop(mOVInfo.src_rect.y, mOVInfo.src_rect.h);
utils::even_floor(mOVInfo.dst_rect.w);
utils::even_floor(mOVInfo.dst_rect.h);
}
if(this->ovChanged()) {
if(!mdp_wrapper::setOverlay(mFd.getFD(), mOVInfo)) {
ALOGE("MdpCtrl failed to setOverlay, restoring last known "
"good ov info");
mdp_wrapper::dump("== Bad OVInfo is: ", mOVInfo);
mdp_wrapper::dump("== Last good known OVInfo is: ", mLkgo);
this->restore();
return false;
}
this->save();
}
return true;
}
bool MdpCtrl::getScreenInfo(overlay::utils::ScreenInfo& info) {
fb_fix_screeninfo finfo;
if (!mdp_wrapper::getFScreenInfo(mFd.getFD(), finfo)) {
return false;
}
fb_var_screeninfo vinfo;
if (!mdp_wrapper::getVScreenInfo(mFd.getFD(), vinfo)) {
return false;
}
info.mFBWidth = vinfo.xres;
info.mFBHeight = vinfo.yres;
info.mFBbpp = vinfo.bits_per_pixel;
info.mFBystride = finfo.line_length;
return true;
}
bool MdpCtrl::get() {
mdp_overlay ov;
ov.id = mOVInfo.id;
if (!mdp_wrapper::getOverlay(mFd.getFD(), ov)) {
ALOGE("MdpCtrl get failed");
return false;
}
mOVInfo = ov;
return true;
}
//Adjust width, height, format if rotator is used.
void MdpCtrl::adjustSrcWhf(const bool& rotUsed) {
if(rotUsed) {
utils::Whf whf = getSrcWhf();
if(whf.format == MDP_Y_CRCB_H2V2_TILE ||
whf.format == MDP_Y_CBCR_H2V2_TILE) {
whf.w = utils::alignup(whf.w, 64);
whf.h = utils::alignup(whf.h, 32);
}
//For example: If original format is tiled, rotator outputs non-tiled,
//so update mdp's src fmt to that.
whf.format = utils::getRotOutFmt(whf.format);
setSrcWhf(whf);
}
}
void MdpCtrl::dump() const {
ALOGE("== Dump MdpCtrl start ==");
mFd.dump();
mdp_wrapper::dump("mOVInfo", mOVInfo);
ALOGE("== Dump MdpCtrl end ==");
}
void MdpData::dump() const {
ALOGE("== Dump MdpData start ==");
mFd.dump();
mdp_wrapper::dump("mOvData", mOvData);
ALOGE("== Dump MdpData end ==");
}
void MdpCtrl3D::dump() const {
ALOGE("== Dump MdpCtrl start ==");
mFd.dump();
ALOGE("== Dump MdpCtrl end ==");
}
} // overlay
|
