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Merge "Add multi-display support for boot animation"

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This commit is contained in:
Huihong Luo
2019-08-30 20:17:37 +00:00
committed by Android (Google) Code Review
parent e8460bf080 f97c9e241f
commit 2ff45bfae8
1 changed files with 42 additions and 0 deletions
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42
cmds/bootanimation/BootAnimation.cpp
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@@ -288,6 +288,48 @@ status_t BootAnimation::readyToRun() {
dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
SurfaceComposerClient::Transaction t;
// this guest property specifies multi-display IDs to show the boot animation
// multiple ids can be set with comma (,) as separator, for example:
// setprop boot.animation.displays 19260422155234049,19261083906282754
Vector<uint64_t> physicalDisplayIds;
char displayValue[PROPERTY_VALUE_MAX] = "";
property_get("boot.animation.displays", displayValue, "");
bool isValid = displayValue[0] != '\0';
if (isValid) {
char *p = displayValue;
while (*p) {
if (!isdigit(*p) && *p != ',') {
isValid = false;
break;
}
p ++;
}
if (!isValid)
SLOGE("Invalid syntax for the value of system prop: boot.animation.displays");
}
if (isValid) {
std::istringstream stream(displayValue);
for (PhysicalDisplayId id; stream >> id; ) {
physicalDisplayIds.add(id);
if (stream.peek() == ',')
stream.ignore();
}
// In the case of multi-display, boot animation shows on the specified displays
// in addition to the primary display
auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
constexpr uint32_t LAYER_STACK = 0;
for (auto id : physicalDisplayIds) {
if (std::find(ids.begin(), ids.end(), id) != ids.end()) {
sp<IBinder> token = SurfaceComposerClient::getPhysicalDisplayToken(id);
if (token != nullptr)
t.setDisplayLayerStack(token, LAYER_STACK);
}
}
t.setLayerStack(control, LAYER_STACK);
}
t.setLayer(control, 0x40000000)
.apply();