Migrate display related methods to AIDL
This migrates display related methods from ISurfaceComposer.h to the AIDL interface.
Bug: 219574942
Test: manual
Merged-In: I11f011ce61bdd6dfbd8e0f1a1af8925820e3de58
Change-Id: I11f011ce61bdd6dfbd8e0f1a1af8925820e3de58
(cherry picked from commit 07e723660ca6265844be1ebd8c4696977151eeba)
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 5532c6e..2da48b8 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -226,81 +226,6 @@
return result;
}
- sp<IBinder> createDisplay(const String8& displayName, bool secure) override {
- Parcel data, reply;
- data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
- status_t status = data.writeString8(displayName);
- if (status) {
- return nullptr;
- }
- status = data.writeBool(secure);
- if (status) {
- return nullptr;
- }
-
- status = remote()->transact(BnSurfaceComposer::CREATE_DISPLAY, data, &reply);
- if (status) {
- return nullptr;
- }
- sp<IBinder> display;
- status = reply.readNullableStrongBinder(&display);
- if (status) {
- return nullptr;
- }
- return display;
- }
-
- void destroyDisplay(const sp<IBinder>& display) override {
- Parcel data, reply;
- data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
- data.writeStrongBinder(display);
- remote()->transact(BnSurfaceComposer::DESTROY_DISPLAY, data, &reply);
- }
-
- std::vector<PhysicalDisplayId> getPhysicalDisplayIds() const override {
- Parcel data, reply;
- data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
- if (remote()->transact(BnSurfaceComposer::GET_PHYSICAL_DISPLAY_IDS, data, &reply) ==
- NO_ERROR) {
- std::vector<uint64_t> rawIds;
- if (reply.readUint64Vector(&rawIds) == NO_ERROR) {
- std::vector<PhysicalDisplayId> displayIds;
- displayIds.reserve(rawIds.size());
-
- for (const uint64_t rawId : rawIds) {
- if (const auto id = DisplayId::fromValue<PhysicalDisplayId>(rawId)) {
- displayIds.push_back(*id);
- }
- }
- return displayIds;
- }
- }
-
- return {};
- }
-
- status_t getPrimaryPhysicalDisplayId(PhysicalDisplayId* displayId) const override {
- Parcel data, reply;
- SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
- SAFE_PARCEL(remote()->transact, BnSurfaceComposer::GET_PRIMARY_PHYSICAL_DISPLAY_ID, data,
- &reply);
- uint64_t rawId;
- SAFE_PARCEL(reply.readUint64, &rawId);
- if (const auto id = DisplayId::fromValue<PhysicalDisplayId>(rawId)) {
- *displayId = *id;
- return NO_ERROR;
- }
- return NAME_NOT_FOUND;
- }
-
- sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId) const override {
- Parcel data, reply;
- data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
- data.writeUint64(displayId.value);
- remote()->transact(BnSurfaceComposer::GET_PHYSICAL_DISPLAY_TOKEN, data, &reply);
- return reply.readStrongBinder();
- }
-
void setPowerMode(const sp<IBinder>& display, int mode) override {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
@@ -1467,29 +1392,6 @@
reply->writeStrongBinder(IInterface::asBinder(connection));
return NO_ERROR;
}
- case CREATE_DISPLAY: {
- CHECK_INTERFACE(ISurfaceComposer, data, reply);
- String8 displayName;
- SAFE_PARCEL(data.readString8, &displayName);
- bool secure = false;
- SAFE_PARCEL(data.readBool, &secure);
- sp<IBinder> display = createDisplay(displayName, secure);
- SAFE_PARCEL(reply->writeStrongBinder, display);
- return NO_ERROR;
- }
- case DESTROY_DISPLAY: {
- CHECK_INTERFACE(ISurfaceComposer, data, reply);
- sp<IBinder> display = data.readStrongBinder();
- destroyDisplay(display);
- return NO_ERROR;
- }
- case GET_PHYSICAL_DISPLAY_TOKEN: {
- CHECK_INTERFACE(ISurfaceComposer, data, reply);
- const auto id = DisplayId::fromValue<PhysicalDisplayId>(data.readUint64());
- if (!id) return BAD_VALUE;
- reply->writeStrongBinder(getPhysicalDisplayToken(*id));
- return NO_ERROR;
- }
case GET_DISPLAY_STATE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
ui::DisplayState state;
@@ -1826,24 +1728,6 @@
}
return error;
}
- case GET_PHYSICAL_DISPLAY_IDS: {
- CHECK_INTERFACE(ISurfaceComposer, data, reply);
- std::vector<PhysicalDisplayId> ids = getPhysicalDisplayIds();
- std::vector<uint64_t> rawIds(ids.size());
- std::transform(ids.begin(), ids.end(), rawIds.begin(),
- [](PhysicalDisplayId id) { return id.value; });
- return reply->writeUint64Vector(rawIds);
- }
- case GET_PRIMARY_PHYSICAL_DISPLAY_ID: {
- CHECK_INTERFACE(ISurfaceComposer, data, reply);
- PhysicalDisplayId id;
- status_t result = getPrimaryPhysicalDisplayId(&id);
- if (result != NO_ERROR) {
- ALOGE("getPrimaryPhysicalDisplayId: Failed to get id");
- return result;
- }
- return reply->writeUint64(id.value);
- }
case ADD_REGION_SAMPLING_LISTENER: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
Rect samplingArea;
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 1fb11e0..ff8f529 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -45,6 +45,7 @@
#include <gui/ISurfaceComposer.h>
#include <gui/LayerState.h>
#include <private/gui/ComposerService.h>
+#include <private/gui/ComposerServiceAIDL.h>
namespace android {
@@ -343,7 +344,7 @@
status_t Surface::getWideColorSupport(bool* supported) {
ATRACE_CALL();
- const sp<IBinder> display = composerService()->getInternalDisplayToken();
+ const sp<IBinder> display = ComposerServiceAIDL::getInstance().getInternalDisplayToken();
if (display == nullptr) {
return NAME_NOT_FOUND;
}
@@ -356,7 +357,7 @@
status_t Surface::getHdrSupport(bool* supported) {
ATRACE_CALL();
- const sp<IBinder> display = composerService()->getInternalDisplayToken();
+ const sp<IBinder> display = ComposerServiceAIDL::getInstance().getInternalDisplayToken();
if (display == nullptr) {
return NAME_NOT_FOUND;
}
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 6c197c4..ec7a948 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1022,32 +1022,59 @@
// ---------------------------------------------------------------------------
sp<IBinder> SurfaceComposerClient::createDisplay(const String8& displayName, bool secure) {
- return ComposerService::getComposerService()->createDisplay(displayName,
- secure);
+ sp<IBinder> display = nullptr;
+ binder::Status status =
+ ComposerServiceAIDL::getComposerService()->createDisplay(std::string(
+ displayName.string()),
+ secure, &display);
+ return status.isOk() ? display : nullptr;
}
void SurfaceComposerClient::destroyDisplay(const sp<IBinder>& display) {
- return ComposerService::getComposerService()->destroyDisplay(display);
+ ComposerServiceAIDL::getComposerService()->destroyDisplay(display);
}
std::vector<PhysicalDisplayId> SurfaceComposerClient::getPhysicalDisplayIds() {
- return ComposerService::getComposerService()->getPhysicalDisplayIds();
+ std::vector<int64_t> displayIds;
+ std::vector<PhysicalDisplayId> physicalDisplayIds;
+ binder::Status status =
+ ComposerServiceAIDL::getComposerService()->getPhysicalDisplayIds(&displayIds);
+ if (status.isOk()) {
+ physicalDisplayIds.reserve(displayIds.size());
+ for (auto item : displayIds) {
+ auto id = DisplayId::fromValue<PhysicalDisplayId>(static_cast<uint64_t>(item));
+ physicalDisplayIds.push_back(*id);
+ }
+ }
+ return physicalDisplayIds;
}
status_t SurfaceComposerClient::getPrimaryPhysicalDisplayId(PhysicalDisplayId* id) {
- return ComposerService::getComposerService()->getPrimaryPhysicalDisplayId(id);
+ int64_t displayId;
+ binder::Status status =
+ ComposerServiceAIDL::getComposerService()->getPrimaryPhysicalDisplayId(&displayId);
+ if (status.isOk()) {
+ *id = *DisplayId::fromValue<PhysicalDisplayId>(static_cast<uint64_t>(displayId));
+ }
+ return status.transactionError();
}
std::optional<PhysicalDisplayId> SurfaceComposerClient::getInternalDisplayId() {
- return ComposerService::getComposerService()->getInternalDisplayId();
+ ComposerServiceAIDL& instance = ComposerServiceAIDL::getInstance();
+ return instance.getInternalDisplayId();
}
sp<IBinder> SurfaceComposerClient::getPhysicalDisplayToken(PhysicalDisplayId displayId) {
- return ComposerService::getComposerService()->getPhysicalDisplayToken(displayId);
+ sp<IBinder> display = nullptr;
+ binder::Status status =
+ ComposerServiceAIDL::getComposerService()->getPhysicalDisplayToken(displayId.value,
+ &display);
+ return status.isOk() ? display : nullptr;
}
sp<IBinder> SurfaceComposerClient::getInternalDisplayToken() {
- return ComposerService::getComposerService()->getInternalDisplayToken();
+ ComposerServiceAIDL& instance = ComposerServiceAIDL::getInstance();
+ return instance.getInternalDisplayToken();
}
void SurfaceComposerClient::Transaction::setAnimationTransaction() {
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
index 07921a5..345c47d 100644
--- a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
+++ b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
@@ -22,6 +22,28 @@
/** @hide */
interface ISurfaceComposer {
+
+ /* create a virtual display
+ * requires ACCESS_SURFACE_FLINGER permission.
+ */
+ @nullable IBinder createDisplay(@utf8InCpp String displayName, boolean secure);
+
+ /* destroy a virtual display
+ * requires ACCESS_SURFACE_FLINGER permission.
+ */
+ void destroyDisplay(IBinder display);
+
+ /* get stable IDs for connected physical displays.
+ */
+ long[] getPhysicalDisplayIds();
+
+ long getPrimaryPhysicalDisplayId();
+
+ /* get token for a physical display given its stable ID obtained via getPhysicalDisplayIds or a
+ * DisplayEventReceiver hotplug event.
+ */
+ @nullable IBinder getPhysicalDisplayToken(long displayId);
+
/**
* Capture the specified screen. This requires READ_FRAME_BUFFER
* permission. This function will fail if there is a secure window on
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index b11e674..91d44da 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -138,40 +138,6 @@
VsyncSource vsyncSource = eVsyncSourceApp,
EventRegistrationFlags eventRegistration = {}) = 0;
- /* create a virtual display
- * requires ACCESS_SURFACE_FLINGER permission.
- */
- virtual sp<IBinder> createDisplay(const String8& displayName,
- bool secure) = 0;
-
- /* destroy a virtual display
- * requires ACCESS_SURFACE_FLINGER permission.
- */
- virtual void destroyDisplay(const sp<IBinder>& display) = 0;
-
- /* get stable IDs for connected physical displays.
- */
- virtual std::vector<PhysicalDisplayId> getPhysicalDisplayIds() const = 0;
-
- virtual status_t getPrimaryPhysicalDisplayId(PhysicalDisplayId*) const = 0;
-
- // TODO(b/74619554): Remove this stopgap once the framework is display-agnostic.
- std::optional<PhysicalDisplayId> getInternalDisplayId() const {
- const auto displayIds = getPhysicalDisplayIds();
- return displayIds.empty() ? std::nullopt : std::make_optional(displayIds.front());
- }
-
- /* get token for a physical display given its stable ID obtained via getPhysicalDisplayIds or a
- * DisplayEventReceiver hotplug event.
- */
- virtual sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId) const = 0;
-
- // TODO(b/74619554): Remove this stopgap once the framework is display-agnostic.
- sp<IBinder> getInternalDisplayToken() const {
- const auto displayId = getInternalDisplayId();
- return displayId ? getPhysicalDisplayToken(*displayId) : nullptr;
- }
-
/* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
virtual status_t setTransactionState(
const FrameTimelineInfo& frameTimelineInfo, const Vector<ComposerState>& state,
@@ -597,9 +563,9 @@
CREATE_CONNECTION,
GET_STATIC_DISPLAY_INFO,
CREATE_DISPLAY_EVENT_CONNECTION,
- CREATE_DISPLAY,
- DESTROY_DISPLAY,
- GET_PHYSICAL_DISPLAY_TOKEN,
+ CREATE_DISPLAY, // Deprecated. Autogenerated by .aidl now.
+ DESTROY_DISPLAY, // Deprecated. Autogenerated by .aidl now.
+ GET_PHYSICAL_DISPLAY_TOKEN, // Deprecated. Autogenerated by .aidl now.
SET_TRANSACTION_STATE,
AUTHENTICATE_SURFACE,
GET_SUPPORTED_FRAME_TIMESTAMPS,
@@ -627,7 +593,7 @@
GET_PROTECTED_CONTENT_SUPPORT,
IS_WIDE_COLOR_DISPLAY,
GET_DISPLAY_NATIVE_PRIMARIES,
- GET_PHYSICAL_DISPLAY_IDS,
+ GET_PHYSICAL_DISPLAY_IDS, // Deprecated. Autogenerated by .aidl now.
ADD_REGION_SAMPLING_LISTENER,
REMOVE_REGION_SAMPLING_LISTENER,
SET_DESIRED_DISPLAY_MODE_SPECS,
@@ -659,7 +625,7 @@
REMOVE_TUNNEL_MODE_ENABLED_LISTENER,
ADD_WINDOW_INFOS_LISTENER,
REMOVE_WINDOW_INFOS_LISTENER,
- GET_PRIMARY_PHYSICAL_DISPLAY_ID,
+ GET_PRIMARY_PHYSICAL_DISPLAY_ID, // Deprecated. Autogenerated by .aidl now.
GET_DISPLAY_DECORATION_SUPPORT,
GET_BOOT_DISPLAY_MODE_SUPPORT,
SET_BOOT_DISPLAY_MODE,
diff --git a/libs/gui/include/private/gui/ComposerServiceAIDL.h b/libs/gui/include/private/gui/ComposerServiceAIDL.h
index fee37ee..b32cf2a 100644
--- a/libs/gui/include/private/gui/ComposerServiceAIDL.h
+++ b/libs/gui/include/private/gui/ComposerServiceAIDL.h
@@ -50,6 +50,27 @@
// Get a connection to the Composer Service. This will block until
// a connection is established. Returns null if permission is denied.
static sp<gui::ISurfaceComposer> getComposerService();
+
+ // the following two methods are moved from ISurfaceComposer.h
+ // TODO(b/74619554): Remove this stopgap once the framework is display-agnostic.
+ std::optional<PhysicalDisplayId> getInternalDisplayId() const {
+ std::vector<int64_t> displayIds;
+ binder::Status status = mComposerService->getPhysicalDisplayIds(&displayIds);
+ return (!status.isOk() || displayIds.empty())
+ ? std::nullopt
+ : DisplayId::fromValue<PhysicalDisplayId>(
+ static_cast<uint64_t>(displayIds.front()));
+ }
+
+ // TODO(b/74619554): Remove this stopgap once the framework is display-agnostic.
+ sp<IBinder> getInternalDisplayToken() const {
+ const auto displayId = getInternalDisplayId();
+ if (!displayId) return nullptr;
+ sp<IBinder> display;
+ binder::Status status =
+ mComposerService->getPhysicalDisplayToken(displayId->value, &display);
+ return status.isOk() ? display : nullptr;
+ }
};
// ---------------------------------------------------------------------------
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index a885e92..07ac2d4 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -260,9 +260,7 @@
sp<ANativeWindow> anw(mSurface);
// Verify the screenshot works with no protected buffers.
- sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-
- const sp<IBinder> display = sf->getInternalDisplayToken();
+ const sp<IBinder> display = ComposerServiceAIDL::getInstance().getInternalDisplayToken();
ASSERT_FALSE(display == nullptr);
DisplayCaptureArgs captureArgs;
@@ -696,12 +694,6 @@
ISurfaceComposer::VsyncSource, ISurfaceComposer::EventRegistrationFlags) override {
return nullptr;
}
- sp<IBinder> createDisplay(const String8& /*displayName*/,
- bool /*secure*/) override { return nullptr; }
- void destroyDisplay(const sp<IBinder>& /*display */) override {}
- std::vector<PhysicalDisplayId> getPhysicalDisplayIds() const override { return {}; }
- status_t getPrimaryPhysicalDisplayId(PhysicalDisplayId*) const override { return NO_ERROR; }
- sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId) const override { return nullptr; }
status_t setTransactionState(const FrameTimelineInfo& /*frameTimelineInfo*/,
const Vector<ComposerState>& /*state*/,
const Vector<DisplayState>& /*displays*/, uint32_t /*flags*/,