android_hardware_qcom_display/liboverlay/overlayMdp.cpp
Naseer Ahmed 7341799797 qcom/display: Update HALs
- Update the display HAL from Code Aurora Forum
- Add updated overlay library
- Enable HWC with basic video going through overlay
- Cleanup some files

Change-Id: Ia53650759d4fe99bde395b7b4e8e02e6e65845e0
2012-07-10 02:03:45 -06:00

290 lines
7.9 KiB
C++

/*
* 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 {
bool MdpCtrl::open(uint32_t fbnum) {
// FD open
if(!utils::openDev(mFd, fbnum,
Res::devTemplate, O_RDWR)){
ALOGE("Ctrl failed to open fbnum=%d", fbnum);
return false;
}
return true;
}
void MdpCtrl::reset() {
utils::memset0(mOVInfo);
utils::memset0(mLkgo);
mOVInfo.id = -1;
mLkgo.id = -1;
}
bool MdpCtrl::close() {
if(-1 == static_cast<int>(mOVInfo.id)) return true;
if(!mdp_wrapper::unsetOverlay(mFd.getFD(), mOVInfo.id)) {
ALOGE("MdpCtrl close error in unset");
return false;
}
reset();
if(!mFd.close()) {
return false;
}
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;
}
// that is the second part of original setParameter function
void MdpCtrl::setSrcFormat(const utils::Whf& whf) {
//By default mdp src format is the same as buffer's
mOVInfo.src.format = whf.format;
//If rotation is used and input formats are tiled then output of rotator is
//non-tiled.
// FIXME mRotInfo.enable = 1; for enable
if (getUserData()) { // if rotations enabled in MdpCtrl
if (whf.format == MDP_Y_CRCB_H2V2_TILE)
mOVInfo.src.format = MDP_Y_CRCB_H2V2;
else if (whf.format == MDP_Y_CBCR_H2V2_TILE)
mOVInfo.src.format = MDP_Y_CBCR_H2V2;
return;
}
}
bool MdpCtrl::set() {
if(!this->ovChanged()) {
return true; // nothing todo here.
}
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();
// FIXME, do we need to set the old one?
return false;
}
this->save();
return true;
}
bool MdpCtrl::setPosition(const overlay::utils::Dim& d,
int fbw, int fbh)
{
// Validatee against FB size
if(!d.check(fbw, fbh)) {
ALOGE("MdpCtrl setPosition failed dest dim violate screen limits");
return false;
}
ovutils::Dim dim(d);
ovutils::Dim ovsrcdim = getSrcRectDim();
// Scaling of upto a max of 8 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;
}
//dim.even_out();
setDstRectDim(dim);
return true;
}
void MdpCtrl::updateSource(RotatorBase* r,
const utils::PipeArgs& args,
const utils::ScreenInfo& info) {
utils::Whf whf(args.whf);
mOVInfo.src.width = whf.w;
mOVInfo.src.height = whf.h;
mOVInfo.src_rect.x = 0;
mOVInfo.src_rect.y = 0;
mOVInfo.dst_rect.x = 0;
mOVInfo.dst_rect.y = 0;
mOVInfo.dst_rect.w = whf.w;
mOVInfo.dst_rect.h = whf.h;
mOVInfo.src.format = whf.format;
if(whf.format == MDP_Y_CRCB_H2V2_TILE ||
(whf.format == MDP_Y_CBCR_H2V2_TILE)) {
// passing by value, setInfo fills it and return by val
mOVInfo = r->setInfo(args, mOVInfo);
} else {
mOVInfo.src_rect.w = whf.w;
mOVInfo.src_rect.h = whf.h;
}
if (whf.w > info.mFBWidth)
mOVInfo.dst_rect.w = info.mFBWidth;
if (whf.h > info.mFBHeight)
mOVInfo.dst_rect.h = info.mFBHeight;
mSize = whf.size;
}
bool MdpCtrl::setInfo(RotatorBase* r,
const utils::PipeArgs& args,
const utils::ScreenInfo& info)
{
// new request
utils::Whf whf(args.whf);
mOVInfo.id = MSMFB_NEW_REQUEST;
updateSource(r, args, info);
setUserData(0);
mOVInfo.alpha = 0xff;
mOVInfo.transp_mask = 0xffffffff;
setZ(args.zorder);
setFlags(args.mdpFlags);
setWait(args.wait);
setIsFg(args.isFg);
mSize = whf.size;
return true;
}
bool MdpCtrl::setCrop(const utils::Dim& cdim) {
utils::Dim d(cdim);
const utils::Whf ovwhf = getSrcWhf();
int udata = getUserData();
switch(udata) {
case MDP_ROT_NOP:
break; // nothing to do here
case MDP_ROT_90:
case MDP_ROT_90 | MDP_FLIP_UD:
case MDP_ROT_90 | MDP_FLIP_LR:
{
if (ovwhf.w < (d.y + d.h)) {
ALOGE("MdpCtrl setCrop failed ROT 90 udata=%d",
udata);
d.dump();
this->dump();
return false;
}
uint32_t tmp = d.x;
d.x = ovwhf.w - (d.y + d.h);
d.y = tmp;
utils::swap(d.w, d.h);
}break;
case MDP_ROT_270:
{
if (ovwhf.h < (d.x + d.w)) {
ALOGE("MdpCtrl setCrop failed ROT 270 udata=%d",
udata);
d.dump();
this->dump();
return false;
}
uint32_t tmp = d.y;
d.y = ovwhf.h - (d.x + d.w);
d.x = tmp;
utils::swap(d.w, d.h);
}break;
case MDP_ROT_180:
{
if ((ovwhf.h < (d.y + d.h)) ||
(ovwhf.w < ( d.x + d.w))) {
ALOGE("MdpCtrl setCrop failed ROT 180 udata=%d",
udata);
d.dump();
this->dump();
return false;
}
d.x = ovwhf.w - (d.x + d.w);
d.y = ovwhf.h - (d.y + d.h);
}break;
default:
if(!(udata & (MDP_FLIP_UD | MDP_FLIP_LR))) {
ALOGE("MdpCtrl setCrop unknown rot %d", udata);
return false;
}
}
if(getSrcRectDim() == d) {
return true; // Nothing to do here
}
utils::normalizeCrop(d.x, d.w);
utils::normalizeCrop(d.y, d.h);
setSrcRectDim(d);
return true;
}
void MdpCtrl::dump() const {
ALOGE("== Dump MdpCtrl start ==");
ALOGE("size=%d", mSize);
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