Add Auto Low Latency Mode to native framework
Bug: 132731049
Test: m
Test: atest libsurfaceflinger_unittest
Test: atest libcompositionengine_test
Test: atest libgui_test
Change-Id: If3c3cd5199826d5ac4730af0a1eda4dcdfe551be
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 3ce7a4a..ab4d51e 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -525,6 +525,88 @@
return static_cast<status_t>(reply.readInt32());
}
+ virtual status_t getAutoLowLatencyModeSupport(const sp<IBinder>& display,
+ bool* outSupport) const {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ status_t result = data.writeStrongBinder(display);
+ if (result != NO_ERROR) {
+ ALOGE("getAutoLowLatencyModeSupport failed to writeStrongBinder: %d", result);
+ return result;
+ }
+ result = remote()->transact(BnSurfaceComposer::GET_AUTO_LOW_LATENCY_MODE_SUPPORT, data,
+ &reply);
+ if (result != NO_ERROR) {
+ ALOGE("getAutoLowLatencyModeSupport failed to transact: %d", result);
+ return result;
+ }
+ return reply.readBool(outSupport);
+ }
+
+ virtual void setAutoLowLatencyMode(const sp<IBinder>& display, bool on) {
+ Parcel data, reply;
+ status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ if (result != NO_ERROR) {
+ ALOGE("setAutoLowLatencyMode failed to writeInterfaceToken: %d", result);
+ return;
+ }
+
+ result = data.writeStrongBinder(display);
+ if (result != NO_ERROR) {
+ ALOGE("setAutoLowLatencyMode failed to writeStrongBinder: %d", result);
+ return;
+ }
+ result = data.writeBool(on);
+ if (result != NO_ERROR) {
+ ALOGE("setAutoLowLatencyMode failed to writeBool: %d", result);
+ return;
+ }
+ result = remote()->transact(BnSurfaceComposer::SET_AUTO_LOW_LATENCY_MODE, data, &reply);
+ if (result != NO_ERROR) {
+ ALOGE("setAutoLowLatencyMode failed to transact: %d", result);
+ return;
+ }
+ }
+
+ virtual status_t getGameContentTypeSupport(const sp<IBinder>& display, bool* outSupport) const {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ status_t result = data.writeStrongBinder(display);
+ if (result != NO_ERROR) {
+ ALOGE("getGameContentTypeSupport failed to writeStrongBinder: %d", result);
+ return result;
+ }
+ result = remote()->transact(BnSurfaceComposer::GET_GAME_CONTENT_TYPE_SUPPORT, data, &reply);
+ if (result != NO_ERROR) {
+ ALOGE("getGameContentTypeSupport failed to transact: %d", result);
+ return result;
+ }
+ return reply.readBool(outSupport);
+ }
+
+ virtual void setGameContentType(const sp<IBinder>& display, bool on) {
+ Parcel data, reply;
+ status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ if (result != NO_ERROR) {
+ ALOGE("setGameContentType failed to writeInterfaceToken: %d", result);
+ return;
+ }
+ result = data.writeStrongBinder(display);
+ if (result != NO_ERROR) {
+ ALOGE("setGameContentType failed to writeStrongBinder: %d", result);
+ return;
+ }
+ result = data.writeBool(on);
+ if (result != NO_ERROR) {
+ ALOGE("setGameContentType failed to writeBool: %d", result);
+ return;
+ }
+ result = remote()->transact(BnSurfaceComposer::SET_GAME_CONTENT_TYPE, data, &reply);
+ if (result != NO_ERROR) {
+ ALOGE("setGameContentType failed to transact: %d", result);
+ }
+ }
+
virtual status_t clearAnimationFrameStats() {
Parcel data, reply;
status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
@@ -1354,6 +1436,75 @@
result = reply->writeInt32(result);
return result;
}
+
+ case GET_AUTO_LOW_LATENCY_MODE_SUPPORT: {
+ CHECK_INTERFACE(ISurfaceComposer, data, reply);
+ sp<IBinder> display = nullptr;
+ status_t result = data.readStrongBinder(&display);
+ if (result != NO_ERROR) {
+ ALOGE("getAutoLowLatencyModeSupport failed to readStrongBinder: %d", result);
+ return result;
+ }
+ bool supported = false;
+ result = getAutoLowLatencyModeSupport(display, &supported);
+ if (result == NO_ERROR) {
+ result = reply->writeBool(supported);
+ }
+ return result;
+ }
+
+ case SET_AUTO_LOW_LATENCY_MODE: {
+ CHECK_INTERFACE(ISurfaceComposer, data, reply);
+ sp<IBinder> display = nullptr;
+ status_t result = data.readStrongBinder(&display);
+ if (result != NO_ERROR) {
+ ALOGE("setAutoLowLatencyMode failed to readStrongBinder: %d", result);
+ return result;
+ }
+ bool setAllm = false;
+ result = data.readBool(&setAllm);
+ if (result != NO_ERROR) {
+ ALOGE("setAutoLowLatencyMode failed to readBool: %d", result);
+ return result;
+ }
+ setAutoLowLatencyMode(display, setAllm);
+ return result;
+ }
+
+ case GET_GAME_CONTENT_TYPE_SUPPORT: {
+ CHECK_INTERFACE(ISurfaceComposer, data, reply);
+ sp<IBinder> display = nullptr;
+ status_t result = data.readStrongBinder(&display);
+ if (result != NO_ERROR) {
+ ALOGE("getGameContentTypeSupport failed to readStrongBinder: %d", result);
+ return result;
+ }
+ bool supported = false;
+ result = getGameContentTypeSupport(display, &supported);
+ if (result == NO_ERROR) {
+ result = reply->writeBool(supported);
+ }
+ return result;
+ }
+
+ case SET_GAME_CONTENT_TYPE: {
+ CHECK_INTERFACE(ISurfaceComposer, data, reply);
+ sp<IBinder> display = nullptr;
+ status_t result = data.readStrongBinder(&display);
+ if (result != NO_ERROR) {
+ ALOGE("setGameContentType failed to readStrongBinder: %d", result);
+ return result;
+ }
+ bool setGameContentTypeOn = false;
+ result = data.readBool(&setGameContentTypeOn);
+ if (result != NO_ERROR) {
+ ALOGE("setGameContentType failed to readBool: %d", result);
+ return result;
+ }
+ setGameContentType(display, setGameContentTypeOn);
+ return result;
+ }
+
case CLEAR_ANIMATION_FRAME_STATS: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
status_t result = clearAnimationFrameStats();
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index d10bc81..1d887ea 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1644,6 +1644,26 @@
return ComposerService::getComposerService()->setActiveColorMode(display, colorMode);
}
+bool SurfaceComposerClient::getAutoLowLatencyModeSupport(const sp<IBinder>& display) {
+ bool supported = false;
+ ComposerService::getComposerService()->getAutoLowLatencyModeSupport(display, &supported);
+ return supported;
+}
+
+void SurfaceComposerClient::setAutoLowLatencyMode(const sp<IBinder>& display, bool on) {
+ ComposerService::getComposerService()->setAutoLowLatencyMode(display, on);
+}
+
+bool SurfaceComposerClient::getGameContentTypeSupport(const sp<IBinder>& display) {
+ bool supported = false;
+ ComposerService::getComposerService()->getGameContentTypeSupport(display, &supported);
+ return supported;
+}
+
+void SurfaceComposerClient::setGameContentType(const sp<IBinder>& display, bool on) {
+ ComposerService::getComposerService()->setGameContentType(display, on);
+}
+
void SurfaceComposerClient::setDisplayPowerMode(const sp<IBinder>& token,
int mode) {
ComposerService::getComposerService()->setPowerMode(token, mode);
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 024f2d6..998973c 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -195,6 +195,37 @@
ui::ColorMode colorMode) = 0;
/**
+ * Returns true if the connected display reports support for HDMI 2.1 Auto
+ * Low Latency Mode.
+ * For more information, see the HDMI 2.1 specification.
+ */
+ virtual status_t getAutoLowLatencyModeSupport(const sp<IBinder>& display,
+ bool* outSupport) const = 0;
+
+ /**
+ * Switches Auto Low Latency Mode on/off on the connected display, if it is
+ * available. This should only be called if #getAutoLowLatencyMode returns
+ * true.
+ * For more information, see the HDMI 2.1 specification.
+ */
+ virtual void setAutoLowLatencyMode(const sp<IBinder>& display, bool on) = 0;
+
+ /**
+ * Returns true if the connected display reports support for Game Content Type.
+ * For more information, see the HDMI 1.4 specification.
+ */
+ virtual status_t getGameContentTypeSupport(const sp<IBinder>& display,
+ bool* outSupport) const = 0;
+
+ /**
+ * This will start sending infoframes to the connected display with
+ * ContentType=Game (if on=true). This will switch the disply to Game mode.
+ * This should only be called if #getGameContentTypeSupport returns true.
+ * For more information, see the HDMI 1.4 specification.
+ */
+ virtual void setGameContentType(const sp<IBinder>& display, bool on) = 0;
+
+ /**
* Capture the specified screen. This requires READ_FRAME_BUFFER
* permission. This function will fail if there is a secure window on
* screen.
@@ -515,6 +546,10 @@
CAPTURE_SCREEN_BY_ID,
NOTIFY_POWER_HINT,
SET_GLOBAL_SHADOW_SETTINGS,
+ GET_AUTO_LOW_LATENCY_MODE_SUPPORT,
+ SET_AUTO_LOW_LATENCY_MODE,
+ GET_GAME_CONTENT_TYPE_SUPPORT,
+ SET_GAME_CONTENT_TYPE,
// Always append new enum to the end.
};
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 873fac0..86468a4 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -148,6 +148,21 @@
static status_t setActiveColorMode(const sp<IBinder>& display,
ui::ColorMode colorMode);
+ // Reports whether the connected display supports Auto Low Latency Mode
+ static bool getAutoLowLatencyModeSupport(const sp<IBinder>& display);
+
+ // Switches on/off Auto Low Latency Mode on the connected display. This should only be
+ // called if the connected display supports Auto Low Latency Mode as reported by
+ // #getAutoLowLatencyModeSupport
+ static void setAutoLowLatencyMode(const sp<IBinder>& display, bool on);
+
+ // Reports whether the connected display supports Game content type
+ static bool getGameContentTypeSupport(const sp<IBinder>& display);
+
+ // Turns Game mode on/off on the connected display. This should only be called
+ // if the display supports Game content type, as reported by #getGameContentTypeSupport
+ static void setGameContentType(const sp<IBinder>& display, bool on);
+
/* Triggers screen on/off or low power mode and waits for it to complete */
static void setDisplayPowerMode(const sp<IBinder>& display, int mode);
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index eaffc10..0445755 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -750,6 +750,16 @@
bool /*captureSecureLayers*/) override {
return NO_ERROR;
}
+ status_t getAutoLowLatencyModeSupport(const sp<IBinder>& /*display*/,
+ bool* /*outSupport*/) const override {
+ return NO_ERROR;
+ }
+ void setAutoLowLatencyMode(const sp<IBinder>& /*display*/, bool /*on*/) override {}
+ status_t getGameContentTypeSupport(const sp<IBinder>& /*display*/,
+ bool* /*outSupport*/) const override {
+ return NO_ERROR;
+ }
+ void setGameContentType(const sp<IBinder>& /*display*/, bool /*on*/) override {}
status_t captureScreen(uint64_t /*displayOrLayerStack*/, ui::Dataspace* /*outDataspace*/,
sp<GraphicBuffer>* /*outBuffer*/) override {
return NO_ERROR;