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start VSYNC thread when HWC doesn't handle it

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Change-Id: I853a822ea9ec13870ae25af55a89ad9a8cc3936a
This commit is contained in:
Mathias Agopian 2012-04-09 14:16:47 -07:00
parent 2965b26022
commit 3a77871383
1 changed files with 14 additions and 9 deletions
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23
services/surfaceflinger/DisplayHardware/HWComposer.cpp
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@ -53,6 +53,7 @@ HWComposer::HWComposer(
mEventHandler(handler),
mRefreshPeriod(refreshPeriod), mVSyncCount(0)
{
bool needVSyncThread = false;
int err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule);
ALOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID);
if (err == 0) {
@ -67,12 +68,17 @@ HWComposer::HWComposer(
mHwc->registerProcs(mHwc, &mCBContext.procs);
memset(mCBContext.procs.zero, 0, sizeof(mCBContext.procs.zero));
}
if (mHwc->common.version < HWC_DEVICE_API_VERSION_0_3) {
// we don't have VSYNC support, we need to fake it
mVSyncThread = new VSyncThread(*this);
needVSyncThread = true;
}
}
} else {
needVSyncThread = true;
}
if (needVSyncThread) {
// we don't have VSYNC support, we need to fake it
mVSyncThread = new VSyncThread(*this);
}
}
@ -111,13 +117,12 @@ status_t HWComposer::eventControl(int event, int enabled) {
status_t err = NO_ERROR;
if (mHwc && mHwc->common.version >= HWC_DEVICE_API_VERSION_0_3) {
err = mHwc->methods->eventControl(mHwc, event, enabled);
} else {
if (mVSyncThread != NULL) {
mVSyncThread->setEnabled(enabled);
} else {
err = BAD_VALUE;
}
}
if (err == NO_ERROR && mVSyncThread != NULL) {
mVSyncThread->setEnabled(enabled);
}
return err;
}