bool DisplayDevice::prepare(hwc_display_contents_1_t *display)
{
log.v("DisplayDevice::prepare");
if (!initCheck())
return false;
Mutex::Autolock _l(mLock);
if (mConnection != DEVICE_CONNECTED)
return true;
if (!display)
return true;
// check if geometry is changed
if (display->flags & HWC_GEOMETRY_CHANGED)
onGeometryChanged(display);
if (!mLayerList) {
log.e("prepare: null HWC layer list");
return false;
}
// update list with new list
return mLayerList->update(display);
}
LRESULT BSPanel::handlePositionChanges(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
case WM_WINDOWPOSCHANGED:
onGeometryChanged(*(WINDOWPOS *)lParam);
break;
}
return 0;
}
CDiagramProxyWidget::CDiagramProxyWidget(CDiagram *d)
: CDiagramNode(d),
m_widget(NULL),
m_proxy(NULL)
{
m_proxy = new QGraphicsProxyWidget(this);
m_proxy->setParentItem(this);
m_proxy->setVisible(true);
connect(this, SIGNAL(geometryChanged()), this, SLOT(onGeometryChanged()));
}
bool IntelHDMIDisplayDevice::prepare(hwc_display_contents_1_t *list)
{
ALOGD_IF(ALLOW_HWC_PRINT, "%s", __func__);
if (!initCheck()) {
ALOGE("%s: failed to initialize HWComposer\n", __func__);
return false;
}
if (mIsBlank) {
//ALOGW("%s: HWC is blank, bypass", __func__);
return false;
}
int index = checkTrickMode(list, false);
bool findHint = (index >= 0);
bool forceCheckingList = (findHint != mVideoSeekingActive);
mVideoSeekingActive = findHint;
if (!list || (list->flags & HWC_GEOMETRY_CHANGED) || forceCheckingList) {
onGeometryChanged(list);
if (findHint) {
hwc_layer_1_t *layer = &list->hwLayers[index];
if (layer != NULL)
layer->compositionType = HWC_FRAMEBUFFER;
}
}
// handle hotplug event here
if (mHotplugEvent) {
ALOGD_IF(ALLOW_HWC_PRINT, "%s: reset hotplug event flag\n", __func__);
mHotplugEvent = false;
}
// handle buffer changing. setup data buffer.
if (list && !updateLayersData(list)) {
ALOGD_IF(ALLOW_HWC_PRINT, "prepare: revisiting layer list\n");
revisitLayerList(list, false);
}
if (mForceSwapBuffer && !mGraphicPlaneVisible) {
ALOGD_IF(ALLOW_HWC_PRINT, "Ebable HDMI gfx plane due to forcing swap buffer");
enableHDMIGraphicPlane(true);
}
return true;
}