Merge "Input: Handle parent surface crops 1/2"
diff --git a/include/input/InputWindow.h b/include/input/InputWindow.h
index 8dd95cf..2b8cc57 100644
--- a/include/input/InputWindow.h
+++ b/include/input/InputWindow.h
@@ -225,6 +225,11 @@
virtual bool updateInfo() = 0;
/**
+ * Updates from another input window handle.
+ */
+ void updateFrom(const sp<InputWindowHandle> handle);
+
+ /**
* Releases the channel used by the associated information when it is
* no longer needed.
*/
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 80d435f..7d26151 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -636,6 +636,21 @@
*outComponentMask = static_cast<uint8_t>(value);
return error;
}
+
+ virtual status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
+ uint8_t componentMask,
+ uint64_t maxFrames) const {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ data.writeStrongBinder(display);
+ data.writeBool(enable);
+ data.writeByte(static_cast<int8_t>(componentMask));
+ data.writeUint64(maxFrames);
+ status_t result =
+ remote()->transact(BnSurfaceComposer::SET_DISPLAY_CONTENT_SAMPLING_ENABLED, data,
+ &reply);
+ return result;
+ }
};
// Out-of-line virtual method definition to trigger vtable emission in this
@@ -1004,6 +1019,42 @@
}
return result;
}
+ case SET_DISPLAY_CONTENT_SAMPLING_ENABLED: {
+ CHECK_INTERFACE(ISurfaceComposer, data, reply);
+
+ sp<IBinder> display = nullptr;
+ bool enable = false;
+ int8_t componentMask = 0;
+ uint64_t maxFrames = 0;
+ status_t result = data.readStrongBinder(&display);
+ if (result != NO_ERROR) {
+ ALOGE("setDisplayContentSamplingEnabled failure in reading Display token: %d",
+ result);
+ return result;
+ }
+
+ result = data.readBool(&enable);
+ if (result != NO_ERROR) {
+ ALOGE("setDisplayContentSamplingEnabled failure in reading enable: %d", result);
+ return result;
+ }
+
+ result = data.readByte(static_cast<int8_t*>(&componentMask));
+ if (result != NO_ERROR) {
+ ALOGE("setDisplayContentSamplingEnabled failure in reading component mask: %d",
+ result);
+ return result;
+ }
+
+ result = data.readUint64(&maxFrames);
+ if (result != NO_ERROR) {
+ ALOGE("setDisplayContentSamplingEnabled failure in reading max frames: %d", result);
+ return result;
+ }
+
+ return setDisplayContentSamplingEnabled(display, enable,
+ static_cast<uint8_t>(componentMask), maxFrames);
+ }
default: {
return BBinder::onTransact(code, data, reply, flags);
}
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 9dfccc7..405d228 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1098,6 +1098,14 @@
outComponentMask);
}
+status_t SurfaceComposerClient::setDisplayContentSamplingEnabled(const sp<IBinder>& display,
+ bool enable, uint8_t componentMask,
+ uint64_t maxFrames) {
+ return ComposerService::getComposerService()->setDisplayContentSamplingEnabled(display, enable,
+ componentMask,
+ maxFrames);
+}
+
// ----------------------------------------------------------------------------
status_t ScreenshotClient::capture(const sp<IBinder>& display, const ui::Dataspace reqDataSpace,
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 3b6c6e4..41369c8 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -300,6 +300,14 @@
ui::PixelFormat* outFormat,
ui::Dataspace* outDataspace,
uint8_t* outComponentMask) const = 0;
+
+ /* Turns on the color sampling engine on the display.
+ *
+ * Requires the ACCESS_SURFACE_FLINGER permission.
+ */
+ virtual status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
+ uint8_t componentMask,
+ uint64_t maxFrames) const = 0;
};
// ----------------------------------------------------------------------------
@@ -340,6 +348,7 @@
GET_COMPOSITION_PREFERENCE,
GET_COLOR_MANAGEMENT,
GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES,
+ SET_DISPLAY_CONTENT_SAMPLING_ENABLED,
};
virtual status_t onTransact(uint32_t code, const Parcel& data,
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 7d05512..ba943a0 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -386,6 +386,8 @@
ui::PixelFormat* outFormat,
ui::Dataspace* outDataspace,
uint8_t* outComponentMask);
+ static status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
+ uint8_t componentMask, uint64_t maxFrames);
private:
virtual void onFirstRef();
diff --git a/libs/gui/tests/DisplayedContentSampling_test.cpp b/libs/gui/tests/DisplayedContentSampling_test.cpp
index f2c0e0c..f9d5dd6 100644
--- a/libs/gui/tests/DisplayedContentSampling_test.cpp
+++ b/libs/gui/tests/DisplayedContentSampling_test.cpp
@@ -36,7 +36,12 @@
ASSERT_TRUE(mDisplayToken);
}
- bool shouldSkipTest(status_t status) {
+ bool shouldSkipTest() {
+ ui::PixelFormat format;
+ ui::Dataspace dataspace;
+ status_t status =
+ mComposerClient->getDisplayedContentSamplingAttributes(mDisplayToken, &format,
+ &dataspace, &componentMask);
if (status == PERMISSION_DENIED) {
SUCCEED() << "permissions denial, skipping test";
return true;
@@ -50,19 +55,53 @@
sp<SurfaceComposerClient> mComposerClient;
sp<IBinder> mDisplayToken;
+ uint8_t componentMask = 0;
};
TEST_F(DisplayedContentSamplingTest, GetDisplayedContentSamplingAttributesAreSane) {
+ // tradefed infrastructure does not support use of GTEST_SKIP
+ if (shouldSkipTest()) return;
+
ui::PixelFormat format;
ui::Dataspace dataspace;
- uint8_t componentMask = 0;
status_t status =
mComposerClient->getDisplayedContentSamplingAttributes(mDisplayToken, &format,
&dataspace, &componentMask);
- if (shouldSkipTest(status)) {
- return;
- }
EXPECT_EQ(OK, status);
EXPECT_LE(componentMask, INVALID_MASK);
}
+
+TEST_F(DisplayedContentSamplingTest, EnableWithInvalidMaskReturnsBadValue) {
+ if (shouldSkipTest()) return;
+
+ status_t status =
+ mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, true, INVALID_MASK, 0);
+ EXPECT_EQ(BAD_VALUE, status);
+}
+
+TEST_F(DisplayedContentSamplingTest, EnableAndDisableSucceed) {
+ if (shouldSkipTest()) return;
+
+ status_t status = mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, true,
+ componentMask, 10);
+ EXPECT_EQ(OK, status);
+
+ status = mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, false, componentMask,
+ 0);
+ EXPECT_EQ(OK, status);
+}
+
+TEST_F(DisplayedContentSamplingTest, SelectivelyDisableComponentOk) {
+ if (shouldSkipTest()) return;
+
+ status_t status = mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, true,
+ componentMask, 0);
+ EXPECT_EQ(OK, status);
+
+ // Clear the lowest bit.
+ componentMask &= (componentMask - 1);
+ status = mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, false, componentMask,
+ 0);
+ EXPECT_EQ(OK, status);
+}
} // namespace android
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 3950bb6..cb1756f 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -647,6 +647,11 @@
uint8_t* /*outComponentMask*/) const override {
return NO_ERROR;
}
+ status_t setDisplayContentSamplingEnabled(const sp<IBinder>& /*display*/, bool /*enable*/,
+ uint8_t /*componentMask*/,
+ uint64_t /*maxFrames*/) const override {
+ return NO_ERROR;
+ }
virtual status_t getColorManagement(bool* /*outGetColorManagement*/) const { return NO_ERROR; }
diff --git a/libs/input/InputWindow.cpp b/libs/input/InputWindow.cpp
index 556a005..aa1371f 100644
--- a/libs/input/InputWindow.cpp
+++ b/libs/input/InputWindow.cpp
@@ -162,4 +162,8 @@
return mInfo.token;
}
+void InputWindowHandle::updateFrom(sp<InputWindowHandle> handle) {
+ mInfo = handle->mInfo;
+}
+
} // namespace android
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index f770975..a4d0dd1 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -55,6 +55,7 @@
srcs: [
"ColorSpace.cpp",
"BufferHubBuffer.cpp",
+ "BufferHubEventFd.cpp",
"BufferHubMetadata.cpp",
"DebugUtils.cpp",
"Fence.cpp",
@@ -112,6 +113,7 @@
cflags: ["-DLIBUI_IN_VNDK"],
exclude_srcs: [
"BufferHubBuffer.cpp",
+ "BufferHubEventFd.cpp",
"BufferHubMetadata.cpp",
],
exclude_header_libs: [
diff --git a/libs/ui/BufferHubEventFd.cpp b/libs/ui/BufferHubEventFd.cpp
new file mode 100644
index 0000000..978b352
--- /dev/null
+++ b/libs/ui/BufferHubEventFd.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/eventfd.h>
+
+#include <log/log.h>
+#include <ui/BufferHubEventFd.h>
+
+namespace android {
+
+BufferHubEventFd::BufferHubEventFd() : mFd(eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK)) {}
+
+status_t BufferHubEventFd::signal() const {
+ if (!isValid()) {
+ ALOGE("%s: cannot signal an invalid eventfd.", __FUNCTION__);
+ return DEAD_OBJECT;
+ }
+
+ eventfd_write(mFd.get(), 1);
+ return OK;
+}
+
+status_t BufferHubEventFd::clear() const {
+ if (!isValid()) {
+ ALOGE("%s: cannot clear an invalid eventfd.", __FUNCTION__);
+ return DEAD_OBJECT;
+ }
+
+ eventfd_t value;
+ eventfd_read(mFd.get(), &value);
+ return OK;
+}
+
+} // namespace android
diff --git a/libs/ui/include/ui/BufferHubEventFd.h b/libs/ui/include/ui/BufferHubEventFd.h
new file mode 100644
index 0000000..0e856bd
--- /dev/null
+++ b/libs/ui/include/ui/BufferHubEventFd.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_BUFFER_HUB_EVENT_FD_H_
+#define ANDROID_BUFFER_HUB_EVENT_FD_H_
+
+#include <android-base/unique_fd.h>
+#include <utils/Errors.h>
+
+namespace android {
+
+class BufferHubEventFd {
+public:
+ /**
+ * Constructs a valid event fd.
+ */
+ BufferHubEventFd();
+
+ /**
+ * Returns whether this BufferHubEventFd holds a valid event_fd.
+ */
+ bool isValid() const { return get() >= 0; }
+
+ /**
+ * Returns the fd number of the BufferHubEventFd object. Note that there is no ownership
+ * transfer.
+ */
+ int get() const { return mFd.get(); }
+
+ /**
+ * Signals the eventfd.
+ */
+ status_t signal() const;
+
+ /**
+ * Clears the signal from this eventfd if it is signaled.
+ */
+ status_t clear() const;
+
+private:
+ base::unique_fd mFd;
+};
+
+} // namespace android
+
+#endif // ANDROID_BUFFER_HUB_EVENT_FD_H_
diff --git a/libs/ui/tests/Android.bp b/libs/ui/tests/Android.bp
index 00f30a6..fcc6d37 100644
--- a/libs/ui/tests/Android.bp
+++ b/libs/ui/tests/Android.bp
@@ -51,16 +51,23 @@
"libdvr_headers",
"libnativewindow_headers",
],
+ static_libs: [
+ "libgmock",
+ ],
shared_libs: [
"android.frameworks.bufferhub@1.0",
"libcutils",
"libhidlbase",
"libhwbinder",
+ "liblog",
"libpdx_default_transport",
"libui",
"libutils"
],
- srcs: ["BufferHubBuffer_test.cpp"],
+ srcs: [
+ "BufferHubBuffer_test.cpp",
+ "BufferHubEventFd_test.cpp",
+ ],
cflags: ["-Wall", "-Werror"],
}
diff --git a/libs/ui/tests/BufferHubBuffer_test.cpp b/libs/ui/tests/BufferHubBuffer_test.cpp
index 7c85e66..6c7d06b 100644
--- a/libs/ui/tests/BufferHubBuffer_test.cpp
+++ b/libs/ui/tests/BufferHubBuffer_test.cpp
@@ -127,7 +127,7 @@
return;
}
-TEST_F(BufferHubBufferTest, AllocateBuffer) {
+TEST_F(BufferHubBufferTest, AllocateAndFreeBuffer) {
// TODO(b/116681016): directly test on BufferHubBuffer instead of the service.
sp<IBufferHub> bufferHub = IBufferHub::getService();
ASSERT_NE(nullptr, bufferHub.get());
@@ -138,11 +138,51 @@
HardwareBufferDescription desc;
memcpy(&desc, &aDesc, sizeof(HardwareBufferDescription));
- IBufferHub::allocateBuffer_cb callback = [](const auto& client, const auto& status) {
- EXPECT_EQ(status, BufferHubStatus::NO_ERROR);
- EXPECT_NE(nullptr, client.get());
+ sp<IBufferClient> client;
+ BufferHubStatus ret;
+ IBufferHub::allocateBuffer_cb callback = [&](const auto& outClient, const auto& outStatus) {
+ client = outClient;
+ ret = outStatus;
};
EXPECT_TRUE(bufferHub->allocateBuffer(desc, kUserMetadataSize, callback).isOk());
+ EXPECT_EQ(ret, BufferHubStatus::NO_ERROR);
+ ASSERT_NE(nullptr, client.get());
+
+ EXPECT_EQ(BufferHubStatus::NO_ERROR, client->close());
+ EXPECT_EQ(BufferHubStatus::CLIENT_CLOSED, client->close());
+}
+
+TEST_F(BufferHubBufferTest, DuplicateFreedBuffer) {
+ // TODO(b/116681016): directly test on BufferHubBuffer instead of the service.
+ sp<IBufferHub> bufferHub = IBufferHub::getService();
+ ASSERT_NE(nullptr, bufferHub.get());
+
+ // Stride is an output, rfu0 and rfu1 are reserved data slot for future use.
+ AHardwareBuffer_Desc aDesc = {kWidth, kHeight, kLayerCount, kFormat,
+ kUsage, /*stride=*/0UL, /*rfu0=*/0UL, /*rfu1=*/0ULL};
+ HardwareBufferDescription desc;
+ memcpy(&desc, &aDesc, sizeof(HardwareBufferDescription));
+
+ sp<IBufferClient> client;
+ BufferHubStatus ret;
+ IBufferHub::allocateBuffer_cb callback = [&](const auto& outClient, const auto& outStatus) {
+ client = outClient;
+ ret = outStatus;
+ };
+ EXPECT_TRUE(bufferHub->allocateBuffer(desc, kUserMetadataSize, callback).isOk());
+ EXPECT_EQ(ret, BufferHubStatus::NO_ERROR);
+ ASSERT_NE(nullptr, client.get());
+
+ EXPECT_EQ(BufferHubStatus::NO_ERROR, client->close());
+
+ hidl_handle token;
+ IBufferClient::duplicate_cb dup_cb = [&](const auto& outToken, const auto& status) {
+ token = outToken;
+ ret = status;
+ };
+ EXPECT_TRUE(client->duplicate(dup_cb).isOk());
+ EXPECT_EQ(ret, BufferHubStatus::CLIENT_CLOSED);
+ EXPECT_EQ(token.getNativeHandle(), nullptr);
}
TEST_F(BufferHubBufferTest, DuplicateAndImportBuffer) {
@@ -230,5 +270,50 @@
native_handle_delete(tokenHandle);
}
+TEST_F(BufferHubBufferTest, ImportFreedBuffer) {
+ // TODO(b/116681016): directly test on BufferHubBuffer instead of the service.
+ sp<IBufferHub> bufferhub = IBufferHub::getService();
+ ASSERT_NE(nullptr, bufferhub.get());
+
+ // Stride is an output, rfu0 and rfu1 are reserved data slot for future use.
+ AHardwareBuffer_Desc aDesc = {kWidth, kHeight, kLayerCount, kFormat,
+ kUsage, /*stride=*/0UL, /*rfu0=*/0UL, /*rfu1=*/0ULL};
+ HardwareBufferDescription desc;
+ memcpy(&desc, &aDesc, sizeof(HardwareBufferDescription));
+
+ sp<IBufferClient> client;
+ BufferHubStatus ret;
+ IBufferHub::allocateBuffer_cb alloc_cb = [&](const auto& outClient, const auto& status) {
+ client = outClient;
+ ret = status;
+ };
+ ASSERT_TRUE(bufferhub->allocateBuffer(desc, kUserMetadataSize, alloc_cb).isOk());
+ EXPECT_EQ(ret, BufferHubStatus::NO_ERROR);
+ ASSERT_NE(nullptr, client.get());
+
+ hidl_handle token;
+ IBufferClient::duplicate_cb dup_cb = [&](const auto& outToken, const auto& status) {
+ token = outToken;
+ ret = status;
+ };
+ ASSERT_TRUE(client->duplicate(dup_cb).isOk());
+ EXPECT_EQ(ret, BufferHubStatus::NO_ERROR);
+ ASSERT_NE(token.getNativeHandle(), nullptr);
+ EXPECT_EQ(token->numInts, 1);
+ EXPECT_EQ(token->numFds, 0);
+
+ // Close the client. Now the token should be invalid.
+ client->close();
+
+ sp<IBufferClient> client2;
+ IBufferHub::importBuffer_cb import_cb = [&](const auto& outClient, const auto& status) {
+ client2 = outClient;
+ ret = status;
+ };
+ EXPECT_TRUE(bufferhub->importBuffer(token, import_cb).isOk());
+ EXPECT_EQ(ret, BufferHubStatus::INVALID_TOKEN);
+ EXPECT_EQ(nullptr, client2.get());
+}
+
} // namespace
} // namespace android
diff --git a/libs/ui/tests/BufferHubEventFd_test.cpp b/libs/ui/tests/BufferHubEventFd_test.cpp
new file mode 100644
index 0000000..8e61c68
--- /dev/null
+++ b/libs/ui/tests/BufferHubEventFd_test.cpp
@@ -0,0 +1,338 @@
+/*
+ * Copyright 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "BufferHubEventFdTest"
+
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+
+#include <hidl/ServiceManagement.h>
+#include <hwbinder/IPCThreadState.h>
+#include <condition_variable>
+#include <mutex>
+#include <thread>
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <ui/BufferHubEventFd.h>
+
+namespace android {
+
+namespace {
+
+const int kTimeout = 100;
+const std::chrono::milliseconds kTimeoutMs(kTimeout);
+
+using ::testing::Contains;
+using BufferHubEventFdTest = ::testing::Test;
+
+} // namespace
+
+TEST_F(BufferHubEventFdTest, EventFd_testSingleEpollFd) {
+ BufferHubEventFd eventFd;
+ ASSERT_TRUE(eventFd.isValid());
+
+ base::unique_fd epollFd(epoll_create(64));
+ epoll_event e = {.events = EPOLLIN | EPOLLET, .data = {.u32 = 0}};
+
+ ASSERT_GE(epollFd.get(), 0);
+ ASSERT_EQ(epoll_ctl(epollFd.get(), EPOLL_CTL_ADD, eventFd.get(), &e), 0);
+
+ std::array<epoll_event, 1> events;
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 0);
+
+ eventFd.signal();
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 1);
+
+ // The epoll fd is edge triggered, so it only responds to the eventFd once.
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 0);
+}
+
+TEST_F(BufferHubEventFdTest, EventFd_testClear) {
+ BufferHubEventFd eventFd;
+ ASSERT_TRUE(eventFd.isValid());
+
+ base::unique_fd epollFd(epoll_create(64));
+ epoll_event e = {.events = EPOLLIN | EPOLLET, .data = {.u32 = 0}};
+
+ ASSERT_GE(epollFd.get(), 0);
+ ASSERT_EQ(epoll_ctl(epollFd.get(), EPOLL_CTL_ADD, eventFd.get(), &e), 0);
+
+ eventFd.signal();
+ eventFd.clear();
+
+ std::array<epoll_event, 1> events;
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 0);
+}
+
+TEST_F(BufferHubEventFdTest, EventFd_testDupEventFd) {
+ BufferHubEventFd eventFd;
+ ASSERT_TRUE(eventFd.isValid());
+
+ base::unique_fd epollFd(epoll_create(64));
+ epoll_event e = {.events = EPOLLIN | EPOLLET, .data = {.u32 = 0}};
+
+ ASSERT_GE(epollFd.get(), 0);
+ ASSERT_EQ(epoll_ctl(epollFd.get(), EPOLL_CTL_ADD, eventFd.get(), &e), 0);
+
+ // Technically, the dupliated eventFd and the original eventFd are pointing
+ // to the same kernel object. This test signals the duplicated eventFd but epolls the origianl
+ // eventFd.
+ base::unique_fd dupedEventFd(dup(eventFd.get()));
+ ASSERT_GE(dupedEventFd.get(), 0);
+
+ std::array<epoll_event, 1> events;
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 0);
+
+ eventfd_write(dupedEventFd.get(), 1);
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 1);
+
+ // The epoll fd is edge triggered, so it only responds to the eventFd once.
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 0);
+
+ eventfd_write(dupedEventFd.get(), 1);
+
+ eventfd_t value;
+ eventfd_read(dupedEventFd.get(), &value);
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 0);
+}
+
+TEST_F(BufferHubEventFdTest, EventFd_testTwoEpollFds) {
+ BufferHubEventFd eventFd;
+ ASSERT_TRUE(eventFd.isValid());
+
+ base::unique_fd epollFd1(epoll_create(64));
+ base::unique_fd epollFd2(epoll_create(64));
+ epoll_event e = {.events = EPOLLIN | EPOLLET, .data = {.u32 = 0}};
+
+ ASSERT_GE(epollFd1.get(), 0);
+ ASSERT_GE(epollFd2.get(), 0);
+
+ // Register the same eventFd to two EpollFds.
+ ASSERT_EQ(epoll_ctl(epollFd1.get(), EPOLL_CTL_ADD, eventFd.get(), &e), 0);
+ ASSERT_EQ(epoll_ctl(epollFd2.get(), EPOLL_CTL_ADD, eventFd.get(), &e), 0);
+
+ std::array<epoll_event, 1> events;
+ EXPECT_EQ(epoll_wait(epollFd1.get(), events.data(), events.size(), 0), 0);
+ EXPECT_EQ(epoll_wait(epollFd2.get(), events.data(), events.size(), 0), 0);
+
+ eventFd.signal();
+ EXPECT_EQ(epoll_wait(epollFd1.get(), events.data(), events.size(), 0), 1);
+ EXPECT_EQ(epoll_wait(epollFd2.get(), events.data(), events.size(), 0), 1);
+
+ // The epoll fd is edge triggered, so it only responds to the eventFd once.
+ EXPECT_EQ(epoll_wait(epollFd1.get(), events.data(), events.size(), 0), 0);
+ EXPECT_EQ(epoll_wait(epollFd2.get(), events.data(), events.size(), 0), 0);
+
+ eventFd.signal();
+ EXPECT_EQ(epoll_wait(epollFd1.get(), events.data(), events.size(), 0), 1);
+
+ eventFd.clear();
+ EXPECT_EQ(epoll_wait(epollFd1.get(), events.data(), events.size(), 0), 0);
+ EXPECT_EQ(epoll_wait(epollFd2.get(), events.data(), events.size(), 0), 0);
+}
+
+TEST_F(BufferHubEventFdTest, EventFd_testTwoEventFds) {
+ BufferHubEventFd eventFd1;
+ BufferHubEventFd eventFd2;
+
+ ASSERT_TRUE(eventFd1.isValid());
+ ASSERT_TRUE(eventFd2.isValid());
+
+ base::unique_fd epollFd(epoll_create(64));
+ epoll_event e1 = {.events = EPOLLIN | EPOLLET, .data = {.u32 = 1}};
+ epoll_event e2 = {.events = EPOLLIN | EPOLLET, .data = {.u32 = 2}};
+
+ ASSERT_GE(epollFd.get(), 0);
+ ASSERT_EQ(epoll_ctl(epollFd.get(), EPOLL_CTL_ADD, eventFd1.get(), &e1), 0);
+ ASSERT_EQ(epoll_ctl(epollFd.get(), EPOLL_CTL_ADD, eventFd2.get(), &e2), 0);
+
+ std::array<epoll_event, 2> events;
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 0);
+
+ // Signal one by one.
+ eventFd1.signal();
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 1);
+ EXPECT_EQ(events[0].data.u32, e1.data.u32);
+
+ eventFd2.signal();
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 1);
+ EXPECT_EQ(events[0].data.u32, e2.data.u32);
+
+ // Signal both.
+ eventFd1.signal();
+ eventFd2.signal();
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 2);
+
+ uint32_t u32s[] = {events[0].data.u32, events[1].data.u32};
+ EXPECT_THAT(u32s, Contains(e1.data.u32));
+ EXPECT_THAT(u32s, Contains(e2.data.u32));
+
+ // The epoll fd is edge triggered, so it only responds to the eventFd once.
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 0);
+
+ eventFd1.signal();
+ eventFd2.signal();
+ eventFd2.clear();
+ EXPECT_EQ(epoll_wait(epollFd.get(), events.data(), events.size(), 0), 1);
+}
+
+TEST_F(BufferHubEventFdTest, EventFd_testPollingThreadWithTwoEventFds) {
+ BufferHubEventFd eventFd1;
+ BufferHubEventFd eventFd2;
+
+ ASSERT_TRUE(eventFd1.isValid());
+ ASSERT_TRUE(eventFd2.isValid());
+
+ base::unique_fd epollFd(epoll_create(64));
+ epoll_event e1 = {.events = EPOLLIN | EPOLLET, .data = {.u32 = 1}};
+ epoll_event e2 = {.events = EPOLLIN | EPOLLET, .data = {.u32 = 2}};
+
+ ASSERT_GE(epollFd.get(), 0);
+ ASSERT_EQ(epoll_ctl(epollFd.get(), EPOLL_CTL_ADD, eventFd1.get(), &e1), 0);
+ ASSERT_EQ(epoll_ctl(epollFd.get(), EPOLL_CTL_ADD, eventFd2.get(), &e2), 0);
+
+ int countEvent1 = 0;
+ int countEvent2 = 0;
+ std::atomic<bool> stop{false};
+ std::mutex mx;
+ std::condition_variable cv;
+
+ std::thread pollingThread([&] {
+ std::array<epoll_event, 2> events;
+ while (true) {
+ if (stop.load()) {
+ break;
+ }
+ int ret = epoll_wait(epollFd.get(), events.data(), events.size(), kTimeout);
+ ALOGE_IF(ret < 0 && errno != ETIMEDOUT, "Epoll failed.");
+
+ std::lock_guard<std::mutex> lock(mx);
+ for (int i = 0; i < ret; i++) {
+ if (events[i].data.u32 == e1.data.u32) {
+ countEvent1++;
+ cv.notify_one();
+ } else if (events[i].data.u32 == e2.data.u32) {
+ countEvent2++;
+ cv.notify_one();
+ }
+ }
+ }
+ });
+
+ {
+ std::unique_lock<std::mutex> lock(mx);
+
+ eventFd1.signal();
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEvent1 == 1; }));
+
+ eventFd1.signal();
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEvent1 == 2; }));
+
+ eventFd2.signal();
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEvent2 == 1; }));
+
+ eventFd1.clear();
+ eventFd2.clear();
+ EXPECT_EQ(countEvent1, 2);
+ EXPECT_EQ(countEvent2, 1);
+
+ eventFd1.signal();
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEvent1 == 3; }));
+
+ eventFd2.signal();
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEvent2 == 2; }));
+ }
+
+ stop.store(true);
+ pollingThread.join();
+}
+
+TEST_F(BufferHubEventFdTest, EventFd_testTwoPollingThreads) {
+ BufferHubEventFd eventFd;
+ ASSERT_TRUE(eventFd.isValid());
+
+ base::unique_fd epollFd1(epoll_create(64));
+ base::unique_fd epollFd2(epoll_create(64));
+ epoll_event e = {.events = EPOLLIN | EPOLLET, .data = {.u32 = 0}};
+
+ ASSERT_GE(epollFd1.get(), 0);
+ ASSERT_GE(epollFd2.get(), 0);
+
+ // Register the same eventFd to two EpollFds.
+ ASSERT_EQ(epoll_ctl(epollFd1.get(), EPOLL_CTL_ADD, eventFd.get(), &e), 0);
+ ASSERT_EQ(epoll_ctl(epollFd2.get(), EPOLL_CTL_ADD, eventFd.get(), &e), 0);
+
+ int countEpoll1 = 0;
+ int countEpoll2 = 0;
+ std::atomic<bool> stop{false};
+ std::mutex mx;
+ std::condition_variable cv;
+
+ std::thread pollingThread1([&] {
+ std::array<epoll_event, 1> events;
+ while (!stop.load()) {
+ int ret = epoll_wait(epollFd1.get(), events.data(), events.size(), kTimeout);
+ ALOGE_IF(ret < 0 && errno != ETIMEDOUT, "Epoll failed.");
+
+ if (ret > 0) {
+ std::lock_guard<std::mutex> lock(mx);
+ countEpoll1++;
+ cv.notify_one();
+ }
+ }
+ });
+
+ std::thread pollingThread2([&] {
+ std::array<epoll_event, 1> events;
+ while (!stop.load()) {
+ int ret = epoll_wait(epollFd2.get(), events.data(), events.size(), kTimeout);
+ ALOGE_IF(ret < 0 && errno != ETIMEDOUT, "Epoll failed.");
+
+ if (ret > 0) {
+ std::lock_guard<std::mutex> lock(mx);
+ countEpoll2++;
+ cv.notify_one();
+ }
+ }
+ });
+
+ {
+ std::unique_lock<std::mutex> lock(mx);
+
+ eventFd.signal();
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEpoll1 == 1; }));
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEpoll2 == 1; }));
+
+ eventFd.signal();
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEpoll1 == 2; }));
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEpoll2 == 2; }));
+
+ eventFd.clear();
+ EXPECT_EQ(countEpoll1, 2);
+ EXPECT_EQ(countEpoll2, 2);
+
+ eventFd.signal();
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEpoll1 == 3; }));
+ EXPECT_TRUE(cv.wait_for(lock, kTimeoutMs, [&] { return countEpoll2 == 3; }));
+ }
+
+ stop.store(true);
+ pollingThread1.join();
+ pollingThread2.join();
+}
+
+} // namespace android
diff --git a/libs/vr/libbufferhub/producer_buffer.cpp b/libs/vr/libbufferhub/producer_buffer.cpp
index c177970..de03fad 100644
--- a/libs/vr/libbufferhub/producer_buffer.cpp
+++ b/libs/vr/libbufferhub/producer_buffer.cpp
@@ -171,7 +171,7 @@
if (BufferHubDefs::IsClientGained(current_buffer_state,
client_state_mask())) {
- ALOGI("%s: already gained id=%d.", __FUNCTION__, id());
+ ALOGV("%s: already gained id=%d.", __FUNCTION__, id());
return 0;
}
if (BufferHubDefs::AnyClientAcquired(current_buffer_state) ||
diff --git a/services/bufferhub/Android.bp b/services/bufferhub/Android.bp
index b747dbc..f9aaa20 100644
--- a/services/bufferhub/Android.bp
+++ b/services/bufferhub/Android.bp
@@ -24,9 +24,9 @@
],
srcs: [
"BufferClient.cpp",
+ "BufferHubIdGenerator.cpp",
"BufferHubService.cpp",
"BufferNode.cpp",
- "UniqueIdGenerator.cpp",
],
header_libs: [
"libbufferhub_headers",
diff --git a/services/bufferhub/BufferClient.cpp b/services/bufferhub/BufferClient.cpp
index 37fd75f..7459517 100644
--- a/services/bufferhub/BufferClient.cpp
+++ b/services/bufferhub/BufferClient.cpp
@@ -39,7 +39,29 @@
return new BufferClient(service, node);
}
+BufferClient::~BufferClient() {
+ close();
+}
+
+Return<BufferHubStatus> BufferClient::close() {
+ std::lock_guard<std::mutex> lock(mClosedMutex);
+ if (mClosed) {
+ return BufferHubStatus::CLIENT_CLOSED;
+ }
+
+ getService()->onClientClosed(this);
+ mBufferNode.reset();
+ mClosed = true;
+ return BufferHubStatus::NO_ERROR;
+}
+
Return<void> BufferClient::duplicate(duplicate_cb _hidl_cb) {
+ std::lock_guard<std::mutex> lock(mClosedMutex);
+ if (mClosed) {
+ _hidl_cb(/*token=*/hidl_handle(), /*status=*/BufferHubStatus::CLIENT_CLOSED);
+ return Void();
+ }
+
if (!mBufferNode) {
// Should never happen
ALOGE("%s: node is missing.", __FUNCTION__);
@@ -47,15 +69,19 @@
return Void();
}
+ const hidl_handle token = getService()->registerToken(this);
+ _hidl_cb(/*token=*/token, /*status=*/BufferHubStatus::NO_ERROR);
+ return Void();
+}
+
+sp<BufferHubService> BufferClient::getService() {
sp<BufferHubService> service = mService.promote();
if (service == nullptr) {
// Should never happen. Kill the process.
LOG_FATAL("%s: service died.", __FUNCTION__);
}
- const hidl_handle token = service->registerToken(this);
- _hidl_cb(/*token=*/token, /*status=*/BufferHubStatus::NO_ERROR);
- return Void();
+ return service;
}
} // namespace implementation
diff --git a/services/bufferhub/UniqueIdGenerator.cpp b/services/bufferhub/BufferHubIdGenerator.cpp
similarity index 81%
rename from services/bufferhub/UniqueIdGenerator.cpp
rename to services/bufferhub/BufferHubIdGenerator.cpp
index 362a026..6444a03 100644
--- a/services/bufferhub/UniqueIdGenerator.cpp
+++ b/services/bufferhub/BufferHubIdGenerator.cpp
@@ -14,7 +14,7 @@
* limitations under the License.
*/
-#include <bufferhub/UniqueIdGenerator.h>
+#include <bufferhub/BufferHubIdGenerator.h>
namespace android {
namespace frameworks {
@@ -22,9 +22,15 @@
namespace V1_0 {
namespace implementation {
-constexpr uint32_t UniqueIdGenerator::kInvalidId;
+constexpr uint32_t BufferHubIdGenerator::kInvalidId;
-uint32_t UniqueIdGenerator::getId() {
+BufferHubIdGenerator& BufferHubIdGenerator::getInstance() {
+ static BufferHubIdGenerator generator;
+
+ return generator;
+}
+
+uint32_t BufferHubIdGenerator::getId() {
std::lock_guard<std::mutex> lock(mIdsInUseMutex);
do {
@@ -37,7 +43,7 @@
return mLastId;
}
-bool UniqueIdGenerator::freeId(uint32_t id) {
+bool BufferHubIdGenerator::freeId(uint32_t id) {
std::lock_guard<std::mutex> lock(mIdsInUseMutex);
auto iter = mIdsInUse.find(id);
if (iter != mIdsInUse.end()) {
diff --git a/services/bufferhub/BufferHubService.cpp b/services/bufferhub/BufferHubService.cpp
index 6f97f0d..b0869fe 100644
--- a/services/bufferhub/BufferHubService.cpp
+++ b/services/bufferhub/BufferHubService.cpp
@@ -35,7 +35,8 @@
std::shared_ptr<BufferNode> node =
std::make_shared<BufferNode>(desc.width, desc.height, desc.layers, desc.format,
- desc.usage, userMetadataSize, nodeIdGenerator.getId());
+ desc.usage, userMetadataSize,
+ BufferHubIdGenerator::getInstance().getId());
if (node == nullptr || !node->IsValid()) {
ALOGE("%s: creating BufferNode failed.", __FUNCTION__);
_hidl_cb(/*bufferClient=*/nullptr, /*status=*/BufferHubStatus::ALLOCATION_FAILED);
@@ -44,8 +45,8 @@
sp<BufferClient> client = BufferClient::create(this, node);
// Add it to list for bookkeeping and dumpsys.
- std::lock_guard<std::mutex> lock(mClientListMutex);
- mClientList.push_back(client);
+ std::lock_guard<std::mutex> lock(mClientSetMutex);
+ mClientSet.emplace(client);
_hidl_cb(/*bufferClient=*/client, /*status=*/BufferHubStatus::NO_ERROR);
return Void();
@@ -86,8 +87,8 @@
sp<BufferClient> client = new BufferClient(*originClient);
- std::lock_guard<std::mutex> lock(mClientListMutex);
- mClientList.push_back(client);
+ std::lock_guard<std::mutex> lock(mClientSetMutex);
+ mClientSet.emplace(client);
_hidl_cb(/*bufferClient=*/client, /*status=*/BufferHubStatus::NO_ERROR);
return Void();
}
@@ -111,6 +112,30 @@
return returnToken;
}
+void BufferHubService::onClientClosed(const BufferClient* client) {
+ removeTokenByClient(client);
+
+ std::lock_guard<std::mutex> lock(mClientSetMutex);
+ auto iter = std::find(mClientSet.begin(), mClientSet.end(), client);
+ if (iter != mClientSet.end()) {
+ mClientSet.erase(iter);
+ }
+}
+
+void BufferHubService::removeTokenByClient(const BufferClient* client) {
+ std::lock_guard<std::mutex> lock(mTokenMapMutex);
+ auto iter = mTokenMap.begin();
+ while (iter != mTokenMap.end()) {
+ if (iter->second == client) {
+ auto oldIter = iter;
+ ++iter;
+ mTokenMap.erase(oldIter);
+ } else {
+ ++iter;
+ }
+ }
+}
+
} // namespace implementation
} // namespace V1_0
} // namespace bufferhub
diff --git a/services/bufferhub/BufferNode.cpp b/services/bufferhub/BufferNode.cpp
index 715d0a1..ec84849 100644
--- a/services/bufferhub/BufferNode.cpp
+++ b/services/bufferhub/BufferNode.cpp
@@ -66,8 +66,8 @@
}
// Free the id, if valid
- if (id() != UniqueIdGenerator::kInvalidId) {
- if (nodeIdGenerator.freeId(id())) {
+ if (id() != BufferHubIdGenerator::kInvalidId) {
+ if (BufferHubIdGenerator::getInstance().freeId(id())) {
ALOGI("%s: id #%u is freed.", __FUNCTION__, id());
} else {
ALOGE("%s: Cannot free nonexistent id #%u", __FUNCTION__, id());
diff --git a/services/bufferhub/include/bufferhub/BufferClient.h b/services/bufferhub/include/bufferhub/BufferClient.h
index 769ec86..7f5d3a6 100644
--- a/services/bufferhub/include/bufferhub/BufferClient.h
+++ b/services/bufferhub/include/bufferhub/BufferClient.h
@@ -44,14 +44,22 @@
// Creates a BufferClient from an existing BufferClient. Will share the same BufferNode.
explicit BufferClient(const BufferClient& other)
: mService(other.mService), mBufferNode(other.mBufferNode) {}
+ ~BufferClient();
+ Return<BufferHubStatus> close() override;
Return<void> duplicate(duplicate_cb _hidl_cb) override;
private:
BufferClient(wp<BufferHubService> service, const std::shared_ptr<BufferNode>& node)
: mService(service), mBufferNode(node) {}
+ sp<BufferHubService> getService();
+
wp<BufferHubService> mService;
+
+ std::mutex mClosedMutex;
+ bool mClosed GUARDED_BY(mClosedMutex) = false;
+
std::shared_ptr<BufferNode> mBufferNode;
};
diff --git a/services/bufferhub/include/bufferhub/UniqueIdGenerator.h b/services/bufferhub/include/bufferhub/BufferHubIdGenerator.h
similarity index 89%
rename from services/bufferhub/include/bufferhub/UniqueIdGenerator.h
rename to services/bufferhub/include/bufferhub/BufferHubIdGenerator.h
index d2e702f..c5b2cde 100644
--- a/services/bufferhub/include/bufferhub/UniqueIdGenerator.h
+++ b/services/bufferhub/include/bufferhub/BufferHubIdGenerator.h
@@ -29,11 +29,14 @@
namespace implementation {
// A thread-safe incremental uint32_t id generator.
-class UniqueIdGenerator {
+class BufferHubIdGenerator {
public:
// 0 is considered invalid
static constexpr uint32_t kInvalidId = 0UL;
+ // Get the singleton instance of this class
+ static BufferHubIdGenerator& getInstance();
+
// Gets next available id. If next id is greater than std::numeric_limits<uint32_t>::max() (2 ^
// 32 - 1), it will try to get an id start from 1 again.
uint32_t getId();
@@ -42,6 +45,9 @@
bool freeId(uint32_t id);
private:
+ BufferHubIdGenerator() = default;
+ ~BufferHubIdGenerator() = default;
+
std::mutex mIdsInUseMutex;
// Start from kInvalidID to avoid generating it.
uint32_t mLastId = kInvalidId;
diff --git a/services/bufferhub/include/bufferhub/BufferHubService.h b/services/bufferhub/include/bufferhub/BufferHubService.h
index 6535659..f2c8ef8 100644
--- a/services/bufferhub/include/bufferhub/BufferHubService.h
+++ b/services/bufferhub/include/bufferhub/BufferHubService.h
@@ -22,7 +22,7 @@
#include <android/frameworks/bufferhub/1.0/IBufferHub.h>
#include <bufferhub/BufferClient.h>
-#include <bufferhub/UniqueIdGenerator.h>
+#include <bufferhub/BufferHubIdGenerator.h>
#include <utils/Mutex.h>
namespace android {
@@ -35,8 +35,6 @@
using hardware::Return;
using hardware::graphics::common::V1_2::HardwareBufferDescription;
-static UniqueIdGenerator nodeIdGenerator;
-
class BufferHubService : public IBufferHub {
public:
Return<void> allocateBuffer(const HardwareBufferDescription& description,
@@ -48,10 +46,15 @@
// Internal help function for IBufferClient::duplicate.
hidl_handle registerToken(const wp<BufferClient>& client);
+ void onClientClosed(const BufferClient* client);
+
private:
+ // Helper function to remove all the token belongs to a specific client.
+ void removeTokenByClient(const BufferClient* client);
+
// List of active BufferClient for bookkeeping.
- std::mutex mClientListMutex;
- std::vector<wp<BufferClient>> mClientList GUARDED_BY(mClientListMutex);
+ std::mutex mClientSetMutex;
+ std::set<wp<BufferClient>> mClientSet GUARDED_BY(mClientSetMutex);
// TODO(b/118180214): use a more secure implementation
std::mt19937 mTokenEngine;
diff --git a/services/bufferhub/include/bufferhub/BufferNode.h b/services/bufferhub/include/bufferhub/BufferNode.h
index c490e7c..94ef505 100644
--- a/services/bufferhub/include/bufferhub/BufferNode.h
+++ b/services/bufferhub/include/bufferhub/BufferNode.h
@@ -2,7 +2,7 @@
#define ANDROID_FRAMEWORKS_BUFFERHUB_V1_0_BUFFER_NODE_H_
#include <android/hardware_buffer.h>
-#include <bufferhub/UniqueIdGenerator.h>
+#include <bufferhub/BufferHubIdGenerator.h>
#include <ui/BufferHubMetadata.h>
namespace android {
@@ -16,7 +16,7 @@
// Allocates a new BufferNode.
BufferNode(uint32_t width, uint32_t height, uint32_t layer_count, uint32_t format,
uint64_t usage, size_t user_metadata_size,
- uint32_t id = UniqueIdGenerator::kInvalidId);
+ uint32_t id = BufferHubIdGenerator::kInvalidId);
~BufferNode();
diff --git a/services/bufferhub/tests/Android.bp b/services/bufferhub/tests/Android.bp
index 8a30ef5..3967886 100644
--- a/services/bufferhub/tests/Android.bp
+++ b/services/bufferhub/tests/Android.bp
@@ -24,10 +24,10 @@
}
cc_test {
- name: "UniqueIdGenerator_test",
- srcs: ["UniqueIdGenerator_test.cpp"],
+ name: "BufferHubIdGenerator_test",
+ srcs: ["BufferHubIdGenerator_test.cpp"],
cflags: [
- "-DLOG_TAG=\"UniqueIdGenerator_test\"",
+ "-DLOG_TAG=\"BufferHubIdGenerator_test\"",
"-DTRACE=0",
"-DATRACE_TAG=ATRACE_TAG_GRAPHICS",
],
diff --git a/services/bufferhub/tests/BufferHubIdGenerator_test.cpp b/services/bufferhub/tests/BufferHubIdGenerator_test.cpp
new file mode 100644
index 0000000..4eddfe0
--- /dev/null
+++ b/services/bufferhub/tests/BufferHubIdGenerator_test.cpp
@@ -0,0 +1,45 @@
+#include <bufferhub/BufferHubIdGenerator.h>
+#include <gtest/gtest.h>
+
+namespace android {
+namespace frameworks {
+namespace bufferhub {
+namespace V1_0 {
+namespace implementation {
+
+namespace {
+
+class BufferHubIdGeneratorTest : public testing::Test {
+protected:
+ BufferHubIdGenerator* mIdGenerator = &BufferHubIdGenerator::getInstance();
+};
+
+TEST_F(BufferHubIdGeneratorTest, TestGenerateAndFreeID) {
+ uint32_t id = mIdGenerator->getId();
+ EXPECT_NE(id, BufferHubIdGenerator::kInvalidId);
+
+ EXPECT_TRUE(mIdGenerator->freeId(id));
+ EXPECT_FALSE(mIdGenerator->freeId(id));
+}
+
+TEST_F(BufferHubIdGeneratorTest, TestGenerateUniqueIncrementalID) {
+ // 10 IDs should not overflow the UniqueIdGenerator to cause a roll back to start, so the
+ // resulting IDs should still keep incresing.
+ const size_t kTestSize = 10U;
+ uint32_t ids[kTestSize];
+ for (int i = 0; i < kTestSize; ++i) {
+ ids[i] = mIdGenerator->getId();
+ EXPECT_NE(ids[i], BufferHubIdGenerator::kInvalidId);
+ if (i >= 1) {
+ EXPECT_GT(ids[i], ids[i - 1]);
+ }
+ }
+}
+
+} // namespace
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace bufferhub
+} // namespace frameworks
+} // namespace android
\ No newline at end of file
diff --git a/services/bufferhub/tests/UniqueIdGenerator_test.cpp b/services/bufferhub/tests/UniqueIdGenerator_test.cpp
deleted file mode 100644
index c4d83e0..0000000
--- a/services/bufferhub/tests/UniqueIdGenerator_test.cpp
+++ /dev/null
@@ -1,45 +0,0 @@
-#include <bufferhub/UniqueIdGenerator.h>
-#include <gtest/gtest.h>
-
-namespace android {
-namespace frameworks {
-namespace bufferhub {
-namespace V1_0 {
-namespace implementation {
-
-namespace {
-
-class UniqueIdGeneratorTest : public testing::Test {
-protected:
- UniqueIdGenerator mIdGenerator;
-};
-
-TEST_F(UniqueIdGeneratorTest, TestGenerateAndFreeID) {
- uint32_t id = mIdGenerator.getId();
- EXPECT_NE(id, UniqueIdGenerator::kInvalidId);
-
- EXPECT_TRUE(mIdGenerator.freeId(id));
- EXPECT_FALSE(mIdGenerator.freeId(id));
-}
-
-TEST_F(UniqueIdGeneratorTest, TestGenerateUniqueIncrementalID) {
- // 10 IDs should not overflow the UniqueIdGenerator to cause a roll back to start, so the
- // resulting IDs should still keep incresing.
- const size_t kTestSize = 10U;
- uint32_t ids[kTestSize];
- for (int i = 0; i < kTestSize; ++i) {
- ids[i] = mIdGenerator.getId();
- EXPECT_NE(ids[i], UniqueIdGenerator::kInvalidId);
- if (i >= 1) {
- EXPECT_GT(ids[i], ids[i - 1]);
- }
- }
-}
-
-} // namespace
-
-} // namespace implementation
-} // namespace V1_0
-} // namespace bufferhub
-} // namespace frameworks
-} // namespace android
\ No newline at end of file
diff --git a/services/inputflinger/InputDispatcher.cpp b/services/inputflinger/InputDispatcher.cpp
index 1dca1b6..885348e 100644
--- a/services/inputflinger/InputDispatcher.cpp
+++ b/services/inputflinger/InputDispatcher.cpp
@@ -3077,22 +3077,44 @@
// Remove all handles on a display if there are no windows left.
mWindowHandlesByDisplay.erase(displayId);
} else {
- size_t numWindows = inputWindowHandles.size();
+ // Since we compare the pointer of input window handles across window updates, we need
+ // to make sure the handle object for the same window stays unchanged across updates.
+ const Vector<sp<InputWindowHandle>>& oldHandles = mWindowHandlesByDisplay[displayId];
+ std::unordered_map<sp<IBinder>, sp<InputWindowHandle>, IBinderHash> oldHandlesByTokens;
+ for (size_t i = 0; i < oldHandles.size(); i++) {
+ const sp<InputWindowHandle>& handle = oldHandles.itemAt(i);
+ oldHandlesByTokens[handle->getToken()] = handle;
+ }
+
+ const size_t numWindows = inputWindowHandles.size();
+ Vector<sp<InputWindowHandle>> newHandles;
for (size_t i = 0; i < numWindows; i++) {
- const sp<InputWindowHandle>& windowHandle = inputWindowHandles.itemAt(i);
- if (!windowHandle->updateInfo() || getInputChannelLocked(windowHandle->getToken()) == nullptr) {
+ const sp<InputWindowHandle>& handle = inputWindowHandles.itemAt(i);
+ if (!handle->updateInfo() || getInputChannelLocked(handle->getToken()) == nullptr) {
ALOGE("Window handle %s has no registered input channel",
- windowHandle->getName().c_str());
+ handle->getName().c_str());
continue;
}
- if (windowHandle->getInfo()->displayId != displayId) {
+ if (handle->getInfo()->displayId != displayId) {
ALOGE("Window %s updated by wrong display %d, should belong to display %d",
- windowHandle->getName().c_str(), displayId,
- windowHandle->getInfo()->displayId);
+ handle->getName().c_str(), displayId,
+ handle->getInfo()->displayId);
continue;
}
+ if (oldHandlesByTokens.find(handle->getToken()) != oldHandlesByTokens.end()) {
+ const sp<InputWindowHandle> oldHandle =
+ oldHandlesByTokens.at(handle->getToken());
+ oldHandle->updateFrom(handle);
+ newHandles.push_back(oldHandle);
+ } else {
+ newHandles.push_back(handle);
+ }
+ }
+
+ for (size_t i = 0; i < newHandles.size(); i++) {
+ const sp<InputWindowHandle>& windowHandle = newHandles.itemAt(i);
if (windowHandle->getInfo()->hasFocus && windowHandle->getInfo()->visible) {
newFocusedWindowHandle = windowHandle;
}
@@ -3102,7 +3124,7 @@
}
// Insert or replace
- mWindowHandlesByDisplay[displayId] = inputWindowHandles;
+ mWindowHandlesByDisplay[displayId] = newHandles;
}
if (!foundHoveredWindow) {
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
index 5b641a2..3b7ed15 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
@@ -1067,6 +1067,18 @@
return error;
}
+Error Composer::setDisplayContentSamplingEnabled(Display display, bool enabled,
+ uint8_t componentMask, uint64_t maxFrames) {
+ if (!mClient_2_3) {
+ return Error::UNSUPPORTED;
+ }
+
+ auto enable = enabled ? V2_3::IComposerClient::DisplayedContentSampling::ENABLE
+ : V2_3::IComposerClient::DisplayedContentSampling::DISABLE;
+ return mClient_2_3->setDisplayedContentSamplingEnabled(display, enable, componentMask,
+ maxFrames);
+}
+
CommandReader::~CommandReader()
{
resetData();
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index 61af348..0db12a1 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -192,6 +192,8 @@
virtual Error getDisplayedContentSamplingAttributes(Display display, PixelFormat* outFormat,
Dataspace* outDataspace,
uint8_t* outComponentMask) = 0;
+ virtual Error setDisplayContentSamplingEnabled(Display display, bool enabled,
+ uint8_t componentMask, uint64_t maxFrames) = 0;
virtual Error getDisplayCapabilities(Display display,
std::vector<DisplayCapability>* outCapabilities) = 0;
};
@@ -396,6 +398,8 @@
Error getDisplayedContentSamplingAttributes(Display display, PixelFormat* outFormat,
Dataspace* outDataspace,
uint8_t* outComponentMask) override;
+ Error setDisplayContentSamplingEnabled(Display display, bool enabled, uint8_t componentMask,
+ uint64_t maxFrames) override;
Error getDisplayCapabilities(Display display,
std::vector<DisplayCapability>* outCapabilities) override;
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index 2df2d3b..733a5da 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -555,6 +555,13 @@
return static_cast<Error>(intError);
}
+Error Display::setDisplayContentSamplingEnabled(bool enabled, uint8_t componentMask,
+ uint64_t maxFrames) const {
+ auto intError =
+ mComposer.setDisplayContentSamplingEnabled(mId, enabled, componentMask, maxFrames);
+ return static_cast<Error>(intError);
+}
+
Error Display::getReleaseFences(
std::unordered_map<Layer*, sp<Fence>>* outFences) const
{
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 8c0f50c..2d65051 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -240,6 +240,9 @@
[[clang::warn_unused_result]] Error getDisplayedContentSamplingAttributes(
android::ui::PixelFormat* outFormat, android::ui::Dataspace* outDataspace,
uint8_t* outComponentMask) const;
+ [[clang::warn_unused_result]] Error setDisplayContentSamplingEnabled(bool enabled,
+ uint8_t componentMask,
+ uint64_t maxFrames) const;
[[clang::warn_unused_result]] Error getReleaseFences(
std::unordered_map<Layer*,
android::sp<android::Fence>>* outFences) const;
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index a752a7d..b27344d 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -756,6 +756,20 @@
return NO_ERROR;
}
+status_t HWComposer::setDisplayContentSamplingEnabled(DisplayId displayId, bool enabled,
+ uint8_t componentMask, uint64_t maxFrames) {
+ RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX);
+ const auto error =
+ mDisplayData[displayId].hwcDisplay->setDisplayContentSamplingEnabled(enabled,
+ componentMask,
+ maxFrames);
+
+ if (error == HWC2::Error::Unsupported) RETURN_IF_HWC_ERROR(error, displayId, INVALID_OPERATION);
+ if (error == HWC2::Error::BadParameter) RETURN_IF_HWC_ERROR(error, displayId, BAD_VALUE);
+ RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR);
+ return NO_ERROR;
+}
+
bool HWComposer::isUsingVrComposer() const {
return getComposer()->isUsingVrComposer();
}
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 0375f74..3f1328e 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -131,6 +131,8 @@
status_t getDisplayedContentSamplingAttributes(DisplayId displayId, ui::PixelFormat* outFormat,
ui::Dataspace* outDataspace,
uint8_t* outComponentMask);
+ status_t setDisplayContentSamplingEnabled(DisplayId displayId, bool enabled,
+ uint8_t componentMask, uint64_t maxFrames);
// Events handling ---------------------------------------------------------
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index a8de576..0bda020 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1123,8 +1123,7 @@
if (!outFormat || !outDataspace || !outComponentMask) {
return BAD_VALUE;
}
- Mutex::Autolock _l(mStateLock);
- const auto display = getDisplayDeviceLocked(displayToken);
+ const auto display = getDisplayDevice(displayToken);
if (!display || !display->getId()) {
ALOGE("getDisplayedContentSamplingAttributes: Bad display token: %p", display.get());
return BAD_VALUE;
@@ -1133,6 +1132,19 @@
outDataspace, outComponentMask);
}
+status_t SurfaceFlinger::setDisplayContentSamplingEnabled(const sp<IBinder>& displayToken,
+ bool enable, uint8_t componentMask,
+ uint64_t maxFrames) const {
+ const auto display = getDisplayDevice(displayToken);
+ if (!display || !display->getId()) {
+ ALOGE("setDisplayContentSamplingEnabled: Bad display token: %p", display.get());
+ return BAD_VALUE;
+ }
+
+ return getHwComposer().setDisplayContentSamplingEnabled(*display->getId(), enable,
+ componentMask, maxFrames);
+}
+
status_t SurfaceFlinger::enableVSyncInjections(bool enable) {
postMessageSync(new LambdaMessage([&] {
Mutex::Autolock _l(mStateLock);
@@ -4778,7 +4790,8 @@
case SET_ACTIVE_COLOR_MODE:
case INJECT_VSYNC:
case SET_POWER_MODE:
- case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES: {
+ case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES:
+ case SET_DISPLAY_CONTENT_SAMPLING_ENABLED: {
if (!callingThreadHasUnscopedSurfaceFlingerAccess()) {
IPCThreadState* ipc = IPCThreadState::self();
ALOGE("Permission Denial: can't access SurfaceFlinger pid=%d, uid=%d",
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 9039a14..fe2f1c26 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -483,6 +483,9 @@
virtual status_t getDisplayedContentSamplingAttributes(
const sp<IBinder>& display, ui::PixelFormat* outFormat, ui::Dataspace* outDataspace,
uint8_t* outComponentMask) const override;
+ virtual status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
+ uint8_t componentMask,
+ uint64_t maxFrames) const override;
/* ------------------------------------------------------------------------
* DeathRecipient interface
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
index 5a46c26..68fd8b4 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
@@ -115,6 +115,7 @@
MOCK_METHOD3(setLayerColorTransform, Error(Display, Layer, const float*));
MOCK_METHOD4(getDisplayedContentSamplingAttributes,
Error(Display, PixelFormat*, Dataspace*, uint8_t*));
+ MOCK_METHOD4(setDisplayContentSamplingEnabled, Error(Display, bool, uint8_t, uint64_t));
MOCK_METHOD2(getDisplayCapabilities, Error(Display, std::vector<DisplayCapability>*));
};