Merge "SF: Move DispSyncSource into it's own file."
diff --git a/cmds/bugreportz/bugreportz.cpp b/cmds/bugreportz/bugreportz.cpp
index 75855cf..ded0ed3 100644
--- a/cmds/bugreportz/bugreportz.cpp
+++ b/cmds/bugreportz/bugreportz.cpp
@@ -55,7 +55,7 @@
errno = ETIMEDOUT;
}
printf("FAIL:Bugreport read terminated abnormally (%s)\n", strerror(errno));
- break;
+ return EXIT_FAILURE;
}
// Writes line by line.
@@ -71,8 +71,5 @@
// Process final line, in case it didn't finish with newline
write_line(line, show_progress);
- if (close(s) == -1) {
- fprintf(stderr, "WARNING: error closing socket: %s\n", strerror(errno));
- }
return EXIT_SUCCESS;
}
diff --git a/cmds/bugreportz/bugreportz.h b/cmds/bugreportz/bugreportz.h
index 304e4b3..7af289b 100644
--- a/cmds/bugreportz/bugreportz.h
+++ b/cmds/bugreportz/bugreportz.h
@@ -16,6 +16,7 @@
#define BUGREPORTZ_H
// Calls dumpstate using the given socket and output its result to stdout.
+// Ownership of the socket is not transferred.
int bugreportz(int s, bool show_progress);
#endif // BUGREPORTZ_H
diff --git a/cmds/bugreportz/main.cpp b/cmds/bugreportz/main.cpp
index a3ae1ff..74a95b0 100644
--- a/cmds/bugreportz/main.cpp
+++ b/cmds/bugreportz/main.cpp
@@ -82,7 +82,7 @@
if (s == -1) {
printf("FAIL:Failed to connect to dumpstatez service: %s\n", strerror(errno));
- return EXIT_SUCCESS;
+ return EXIT_FAILURE;
}
// Set a timeout so that if nothing is read in 10 minutes, we'll stop
@@ -92,8 +92,16 @@
tv.tv_sec = 10 * 60;
tv.tv_usec = 0;
if (setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) == -1) {
- fprintf(stderr, "WARNING: Cannot set socket timeout: %s\n", strerror(errno));
+ fprintf(stderr,
+ "WARNING: Cannot set socket timeout, bugreportz might hang indefinitely: %s\n",
+ strerror(errno));
}
- bugreportz(s, show_progress);
+ int ret = bugreportz(s, show_progress);
+
+ if (close(s) == -1) {
+ fprintf(stderr, "WARNING: error closing socket: %s\n", strerror(errno));
+ ret = EXIT_FAILURE;
+ }
+ return ret;
}
diff --git a/libs/dumputils/dump_utils.cpp b/libs/dumputils/dump_utils.cpp
index 8b2f842..0d224d8 100644
--- a/libs/dumputils/dump_utils.cpp
+++ b/libs/dumputils/dump_utils.cpp
@@ -46,6 +46,7 @@
"android.hardware.bluetooth@1.0::IBluetoothHci",
"android.hardware.camera.provider@2.4::ICameraProvider",
"android.hardware.drm@1.0::IDrmFactory",
+ "android.hardware.graphics.allocator@2.0::IAllocator",
"android.hardware.graphics.composer@2.1::IComposer",
"android.hardware.media.omx@1.0::IOmx",
"android.hardware.media.omx@1.0::IOmxStore",
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index e401572..98ec338 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -220,12 +220,12 @@
class BnSurfaceComposer: public BnInterface<ISurfaceComposer> {
public:
- enum {
+ enum ISurfaceComposerTag {
// Note: BOOT_FINISHED must remain this value, it is called from
// Java by ActivityManagerService.
BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
CREATE_CONNECTION,
- UNUSED, // formerly CREATE_GRAPHIC_BUFFER_ALLOC
+ CREATE_GRAPHIC_BUFFER_ALLOC_UNUSED, // unused, fails permissions check
CREATE_DISPLAY_EVENT_CONNECTION,
CREATE_DISPLAY,
DESTROY_DISPLAY,
@@ -236,7 +236,7 @@
GET_DISPLAY_CONFIGS,
GET_ACTIVE_CONFIG,
SET_ACTIVE_CONFIG,
- CONNECT_DISPLAY,
+ CONNECT_DISPLAY_UNUSED, // unused, fails permissions check
CAPTURE_SCREEN,
CAPTURE_LAYERS,
CLEAR_ANIMATION_FRAME_STATS,
diff --git a/libs/vr/libbufferhub/buffer_hub-test.cpp b/libs/vr/libbufferhub/buffer_hub-test.cpp
index 2a962b5..2ab5b65 100644
--- a/libs/vr/libbufferhub/buffer_hub-test.cpp
+++ b/libs/vr/libbufferhub/buffer_hub-test.cpp
@@ -968,8 +968,19 @@
ASSERT_TRUE(b2 != nullptr);
int b2_id = b2->id();
- // The duplicated buffer should inherit the same buffer id.
+ // These two buffer instances are based on the same physical buffer under the
+ // hood, so they should share the same id.
EXPECT_EQ(b1_id, b2_id);
+ // We use buffer_state_bit() to tell those two instances apart.
+ EXPECT_NE(b1->buffer_state_bit(), b2->buffer_state_bit());
+ EXPECT_NE(b1->buffer_state_bit(), 0ULL);
+ EXPECT_NE(b2->buffer_state_bit(), 0ULL);
+ EXPECT_NE(b1->buffer_state_bit(), kProducerStateBit);
+ EXPECT_NE(b2->buffer_state_bit(), kProducerStateBit);
+
+ // Both buffer instances should be in gained state.
+ EXPECT_TRUE(IsBufferGained(b1->buffer_state()));
+ EXPECT_TRUE(IsBufferGained(b2->buffer_state()));
// Promote the detached buffer should fail as b1 is no longer the exclusive
// owner of the buffer..
diff --git a/libs/vr/libbufferhub/detached_buffer.cpp b/libs/vr/libbufferhub/detached_buffer.cpp
index 60f11e2..02abd91 100644
--- a/libs/vr/libbufferhub/detached_buffer.cpp
+++ b/libs/vr/libbufferhub/detached_buffer.cpp
@@ -49,7 +49,7 @@
}
int DetachedBuffer::ImportGraphicBuffer() {
- ATRACE_NAME("DetachedBuffer::DetachedBuffer");
+ ATRACE_NAME("DetachedBuffer::ImportGraphicBuffer");
auto status = client_.InvokeRemoteMethod<DetachedBufferRPC::Import>();
if (!status) {
@@ -76,9 +76,53 @@
return ret;
}
+ // Import the metadata.
+ IonBuffer metadata_buffer;
+ if (const int ret = buffer_desc.ImportMetadata(&metadata_buffer)) {
+ ALOGE("Failed to import metadata buffer, error=%d", ret);
+ return ret;
+ }
+ size_t metadata_buf_size = metadata_buffer.width();
+ if (metadata_buf_size < BufferHubDefs::kMetadataHeaderSize) {
+ ALOGE("DetachedBuffer::ImportGraphicBuffer: metadata buffer too small: %zu",
+ metadata_buf_size);
+ return -EINVAL;
+ }
+
// If all imports succeed, replace the previous buffer and id.
id_ = buffer_id;
buffer_ = std::move(ion_buffer);
+ metadata_buffer_ = std::move(metadata_buffer);
+ user_metadata_size_ = metadata_buf_size - BufferHubDefs::kMetadataHeaderSize;
+
+ void* metadata_ptr = nullptr;
+ if (const int ret =
+ metadata_buffer_.Lock(BufferHubDefs::kMetadataUsage, /*x=*/0,
+ /*y=*/0, metadata_buf_size,
+ /*height=*/1, &metadata_ptr)) {
+ ALOGE("DetachedBuffer::ImportGraphicBuffer: Failed to lock metadata.");
+ return ret;
+ }
+
+ // TODO(b/112012161) Set up shared fences.
+
+ // Note that here the buffer state is mapped from shared memory as an atomic
+ // object. The std::atomic's constructor will not be called so that the
+ // original value stored in the memory region can be preserved.
+ metadata_header_ = static_cast<BufferHubDefs::MetadataHeader*>(metadata_ptr);
+ if (user_metadata_size_) {
+ user_metadata_ptr_ = static_cast<void*>(metadata_header_ + 1);
+ } else {
+ user_metadata_ptr_ = nullptr;
+ }
+
+ id_ = buffer_desc.id();
+ buffer_state_bit_ = buffer_desc.buffer_state_bit();
+
+ ALOGD_IF(TRACE,
+ "DetachedBuffer::ImportGraphicBuffer: id=%d, buffer_state=%" PRIx64
+ ".",
+ id(), metadata_header_->buffer_state.load());
return 0;
}
diff --git a/libs/vr/libbufferhub/include/private/dvr/detached_buffer.h b/libs/vr/libbufferhub/include/private/dvr/detached_buffer.h
index 376b53e..1fc011b 100644
--- a/libs/vr/libbufferhub/include/private/dvr/detached_buffer.h
+++ b/libs/vr/libbufferhub/include/private/dvr/detached_buffer.h
@@ -30,8 +30,17 @@
const sp<GraphicBuffer>& buffer() const { return buffer_.buffer(); }
+ // Gets ID of the buffer client. All DetachedBuffer clients derived from the
+ // same buffer in bufferhubd share the same buffer id.
int id() const { return id_; }
+ // Returns the current value of MetadataHeader::buffer_state.
+ uint64_t buffer_state() { return metadata_header_->buffer_state.load(); }
+
+ // A state mask which is unique to a buffer hub client among all its siblings
+ // sharing the same concrete graphic buffer.
+ uint64_t buffer_state_bit() const { return buffer_state_bit_; }
+
// Returns true if the buffer holds an open PDX channels towards bufferhubd.
bool IsConnected() const { return client_.IsValid(); }
@@ -75,7 +84,18 @@
// Global id for the buffer that is consistent across processes.
int id_;
+ uint64_t buffer_state_bit_;
+
+ // The concrete Ion buffers.
IonBuffer buffer_;
+ IonBuffer metadata_buffer_;
+
+ // buffer metadata.
+ size_t user_metadata_size_ = 0;
+ BufferHubDefs::MetadataHeader* metadata_header_ = nullptr;
+ void* user_metadata_ptr_ = nullptr;
+
+ // PDX backend.
BufferHubClient client_;
};
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index ee9ee78..fef53bb 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -230,7 +230,10 @@
bool Layer::createHwcLayer(HWComposer* hwc, int32_t displayId) {
LOG_ALWAYS_FATAL_IF(getBE().mHwcLayers.count(displayId) != 0,
"Already have a layer for display %d", displayId);
- HWC2::Layer* layer = hwc->createLayer(displayId);
+ auto layer = std::shared_ptr<HWC2::Layer>(
+ hwc->createLayer(displayId),
+ [hwc, displayId](HWC2::Layer* layer) {
+ hwc->destroyLayer(displayId, layer); });
if (!layer) {
return false;
}
@@ -249,11 +252,8 @@
auto& hwcInfo = getBE().mHwcLayers[displayId];
LOG_ALWAYS_FATAL_IF(hwcInfo.layer == nullptr, "Attempt to destroy null layer");
LOG_ALWAYS_FATAL_IF(hwcInfo.hwc == nullptr, "Missing HWComposer");
- hwcInfo.hwc->destroyLayer(displayId, hwcInfo.layer);
- // The layer destroyed listener should have cleared the entry from
- // mHwcLayers. Verify that.
- LOG_ALWAYS_FATAL_IF(getBE().mHwcLayers.count(displayId) != 0,
- "Stale layer entry in getBE().mHwcLayers");
+ hwcInfo.layer = nullptr;
+
return true;
}
@@ -716,7 +716,8 @@
auto position = displayTransform.transform(frame);
auto error =
- getBE().mHwcLayers[displayId].layer->setCursorPosition(position.left, position.top);
+ (getBE().mHwcLayers[displayId].layer)->setCursorPosition(
+ position.left, position.top);
ALOGE_IF(error != HWC2::Error::None,
"[%s] Failed to set cursor position "
"to (%d, %d): %s (%d)",
@@ -759,13 +760,13 @@
}
auto& hwcInfo = getBE().mHwcLayers[displayId];
auto& hwcLayer = hwcInfo.layer;
- ALOGV("setCompositionType(%" PRIx64 ", %s, %d)", hwcLayer->getId(), to_string(type).c_str(),
+ ALOGV("setCompositionType(%" PRIx64 ", %s, %d)", (hwcLayer)->getId(), to_string(type).c_str(),
static_cast<int>(callIntoHwc));
if (hwcInfo.compositionType != type) {
ALOGV(" actually setting");
hwcInfo.compositionType = type;
if (callIntoHwc) {
- auto error = hwcLayer->setCompositionType(type);
+ auto error = (hwcLayer)->setCompositionType(type);
ALOGE_IF(error != HWC2::Error::None,
"[%s] Failed to set "
"composition type %s: %s (%d)",
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index a48cdff..a6da495 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -510,7 +510,7 @@
if (getBE().mHwcLayers.count(displayId) == 0) {
return nullptr;
}
- return getBE().mHwcLayers[displayId].layer;
+ return getBE().mHwcLayers[displayId].layer.get();
}
// -----------------------------------------------------------------------
diff --git a/services/surfaceflinger/LayerBE.cpp b/services/surfaceflinger/LayerBE.cpp
index 51b615b..b936b3f 100644
--- a/services/surfaceflinger/LayerBE.cpp
+++ b/services/surfaceflinger/LayerBE.cpp
@@ -26,16 +26,23 @@
LayerBE::LayerBE(Layer* layer, std::string layerName)
: mLayer(layer),
mMesh(Mesh::TRIANGLE_FAN, 4, 2, 2) {
- compositionInfo.layer = this;
+ compositionInfo.layer = std::make_shared<LayerBE>(*this);
compositionInfo.layerName = layerName;
}
+LayerBE::LayerBE(const LayerBE& layer)
+ : mLayer(layer.mLayer),
+ mMesh(Mesh::TRIANGLE_FAN, 4, 2, 2) {
+ compositionInfo.layer = layer.compositionInfo.layer;
+ compositionInfo.layerName = layer.mLayer->getName().string();
+}
+
void LayerBE::onLayerDisplayed(const sp<Fence>& releaseFence) {
mLayer->onLayerDisplayed(releaseFence);
}
void CompositionInfo::dumpHwc(const char* tag) const {
- ALOGV("[%s]\thwcLayer=%p", tag, hwc.hwcLayer);
+ ALOGV("[%s]\thwcLayer=%p", tag, hwc.hwcLayer.get());
ALOGV("[%s]\tfence=%p", tag, hwc.fence.get());
ALOGV("[%s]\ttransform=%d", tag, hwc.transform);
ALOGV("[%s]\tz=%d", tag, hwc.z);
diff --git a/services/surfaceflinger/LayerBE.h b/services/surfaceflinger/LayerBE.h
index b5aceba..3055621 100644
--- a/services/surfaceflinger/LayerBE.h
+++ b/services/surfaceflinger/LayerBE.h
@@ -37,9 +37,9 @@
HWC2::Composition compositionType;
sp<GraphicBuffer> mBuffer = nullptr;
int mBufferSlot = BufferQueue::INVALID_BUFFER_SLOT;
- LayerBE* layer = nullptr;
+ std::shared_ptr<LayerBE> layer;
struct {
- HWC2::Layer* hwcLayer;
+ std::shared_ptr<HWC2::Layer> hwcLayer;
sp<Fence> fence;
HWC2::BlendMode blendMode = HWC2::BlendMode::Invalid;
Rect displayFrame;
@@ -54,6 +54,7 @@
sp<NativeHandle> sidebandStream;
ui::Dataspace dataspace;
hwc_color_t color;
+ bool clearClientTarget = false;
} hwc;
struct {
Mesh* mesh;
@@ -83,6 +84,7 @@
friend class SurfaceFlinger;
LayerBE(Layer* layer, std::string layerName);
+ explicit LayerBE(const LayerBE& layer);
void onLayerDisplayed(const sp<Fence>& releaseFence);
Mesh& getMesh() { return mMesh; }
@@ -103,7 +105,7 @@
transform(HWC2::Transform::None) {}
HWComposer* hwc;
- HWC2::Layer* layer;
+ std::shared_ptr<HWC2::Layer> layer;
bool forceClientComposition;
HWC2::Composition compositionType;
bool clearClientTarget;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 55b88f9..b97429e 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -266,6 +266,7 @@
mForceFullDamage(false),
mPrimaryHWVsyncEnabled(false),
mHWVsyncAvailable(false),
+ mRefreshStartTime(0),
mHasPoweredOff(false),
mNumLayers(0),
mVrFlingerRequestsDisplay(false),
@@ -1115,15 +1116,6 @@
status_t SurfaceFlinger::getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) const
NO_THREAD_SAFETY_ANALYSIS {
- IPCThreadState* ipc = IPCThreadState::self();
- const int pid = ipc->getCallingPid();
- const int uid = ipc->getCallingUid();
- if ((uid != AID_SHELL) &&
- !PermissionCache::checkPermission(sDump, pid, uid)) {
- ALOGE("Layer debug info permission denied for pid=%d, uid=%d", pid, uid);
- return PERMISSION_DENIED;
- }
-
// Try to acquire a lock for 1s, fail gracefully
const status_t err = mStateLock.timedLock(s2ns(1));
const bool locked = (err == NO_ERROR);
@@ -1478,16 +1470,16 @@
mRefreshPending = false;
- nsecs_t refreshStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
-
- preComposition(refreshStartTime);
+ preComposition();
rebuildLayerStacks();
- setUpHWComposer();
+ calculateWorkingSet();
+ beginFrame();
+ prepareFrame();
doDebugFlashRegions();
doTracing("handleRefresh");
logLayerStats();
doComposition();
- postComposition(refreshStartTime);
+ postComposition();
mHadClientComposition = false;
for (const auto& [token, display] : mDisplays) {
@@ -1499,6 +1491,84 @@
mLayersWithQueuedFrames.clear();
}
+void SurfaceFlinger::calculateWorkingSet() {
+ ATRACE_CALL();
+ ALOGV(__FUNCTION__);
+
+ // build the h/w work list
+ if (CC_UNLIKELY(mGeometryInvalid)) {
+ mGeometryInvalid = false;
+ for (const auto& [token, display] : mDisplays) {
+ const auto displayId = display->getId();
+ if (displayId >= 0) {
+ const Vector<sp<Layer>>& currentLayers(
+ display->getVisibleLayersSortedByZ());
+ for (size_t i = 0; i < currentLayers.size(); i++) {
+ const auto& layer = currentLayers[i];
+
+ if (!layer->hasHwcLayer(displayId)) {
+ if (!layer->createHwcLayer(getBE().mHwc.get(), displayId)) {
+ layer->forceClientComposition(displayId);
+ continue;
+ }
+ }
+
+ layer->setGeometry(display, i);
+ if (mDebugDisableHWC || mDebugRegion) {
+ layer->forceClientComposition(displayId);
+ }
+ }
+ }
+ }
+ }
+
+ // Set the per-frame data
+ for (const auto& [token, display] : mDisplays) {
+ const auto displayId = display->getId();
+ if (displayId < 0) {
+ continue;
+ }
+
+ if (mDrawingState.colorMatrixChanged) {
+ display->setColorTransform(mDrawingState.colorMatrix);
+ status_t result = getBE().mHwc->setColorTransform(displayId, mDrawingState.colorMatrix);
+ ALOGE_IF(result != NO_ERROR, "Failed to set color transform on "
+ "display %d: %d", displayId, result);
+ }
+ for (auto& layer : display->getVisibleLayersSortedByZ()) {
+ if (layer->isHdrY410()) {
+ layer->forceClientComposition(displayId);
+ } else if ((layer->getDataSpace() == Dataspace::BT2020_PQ ||
+ layer->getDataSpace() == Dataspace::BT2020_ITU_PQ) &&
+ !display->hasHDR10Support()) {
+ layer->forceClientComposition(displayId);
+ } else if ((layer->getDataSpace() == Dataspace::BT2020_HLG ||
+ layer->getDataSpace() == Dataspace::BT2020_ITU_HLG) &&
+ !display->hasHLGSupport()) {
+ layer->forceClientComposition(displayId);
+ }
+
+ if (layer->getForceClientComposition(displayId)) {
+ ALOGV("[%s] Requesting Client composition", layer->getName().string());
+ layer->setCompositionType(displayId, HWC2::Composition::Client);
+ continue;
+ }
+
+ layer->setPerFrameData(display);
+ }
+
+ if (hasWideColorDisplay) {
+ ColorMode colorMode;
+ Dataspace dataSpace;
+ RenderIntent renderIntent;
+ pickColorMode(display, &colorMode, &dataSpace, &renderIntent);
+ setActiveColorModeInternal(display, colorMode, dataSpace, renderIntent);
+ }
+ }
+
+ mDrawingState.colorMatrixChanged = false;
+}
+
void SurfaceFlinger::doDebugFlashRegions()
{
// is debugging enabled
@@ -1563,14 +1633,16 @@
}
}
-void SurfaceFlinger::preComposition(nsecs_t refreshStartTime)
+void SurfaceFlinger::preComposition()
{
ATRACE_CALL();
ALOGV("preComposition");
+ mRefreshStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
+
bool needExtraInvalidate = false;
mDrawingState.traverseInZOrder([&](Layer* layer) {
- if (layer->onPreComposition(refreshStartTime)) {
+ if (layer->onPreComposition(mRefreshStartTime)) {
needExtraInvalidate = true;
}
});
@@ -1639,7 +1711,7 @@
getBE().mCompositorTiming.presentLatency = snappedCompositeToPresentLatency;
}
-void SurfaceFlinger::postComposition(nsecs_t refreshStartTime)
+void SurfaceFlinger::postComposition()
{
ATRACE_CALL();
ALOGV("postComposition");
@@ -1672,11 +1744,11 @@
nsecs_t vsyncPhase = mPrimaryDispSync->computeNextRefresh(0);
nsecs_t vsyncInterval = mPrimaryDispSync->getPeriod();
- // We use the refreshStartTime which might be sampled a little later than
+ // We use the mRefreshStartTime which might be sampled a little later than
// when we started doing work for this frame, but that should be okay
// since updateCompositorTiming has snapping logic.
updateCompositorTiming(
- vsyncPhase, vsyncInterval, refreshStartTime, presentFenceTime);
+ vsyncPhase, vsyncInterval, mRefreshStartTime, presentFenceTime);
CompositorTiming compositorTiming;
{
std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
@@ -1898,10 +1970,8 @@
display->getBestColorMode(bestDataSpace, intent, outDataSpace, outMode, outRenderIntent);
}
-void SurfaceFlinger::setUpHWComposer() {
- ATRACE_CALL();
- ALOGV("setUpHWComposer");
-
+void SurfaceFlinger::beginFrame()
+{
for (const auto& [token, display] : mDisplays) {
bool dirty = !display->getDirtyRegion(mRepaintEverything).isEmpty();
bool empty = display->getVisibleLayersSortedByZ().size() == 0;
@@ -1927,78 +1997,10 @@
display->lastCompositionHadVisibleLayers = !empty;
}
}
+}
- // build the h/w work list
- if (CC_UNLIKELY(mGeometryInvalid)) {
- mGeometryInvalid = false;
- for (const auto& [token, display] : mDisplays) {
- const auto displayId = display->getId();
- if (displayId >= 0) {
- const Vector<sp<Layer>>& currentLayers = display->getVisibleLayersSortedByZ();
- for (size_t i = 0; i < currentLayers.size(); i++) {
- const auto& layer = currentLayers[i];
- if (!layer->hasHwcLayer(displayId)) {
- if (!layer->createHwcLayer(getBE().mHwc.get(), displayId)) {
- layer->forceClientComposition(displayId);
- continue;
- }
- }
-
- layer->setGeometry(display, i);
- if (mDebugDisableHWC || mDebugRegion) {
- layer->forceClientComposition(displayId);
- }
- }
- }
- }
- }
-
- // Set the per-frame data
- for (const auto& [token, display] : mDisplays) {
- const auto displayId = display->getId();
- if (displayId < 0) {
- continue;
- }
-
- if (mDrawingState.colorMatrixChanged) {
- display->setColorTransform(mDrawingState.colorMatrix);
- status_t result = getBE().mHwc->setColorTransform(displayId, mDrawingState.colorMatrix);
- ALOGE_IF(result != NO_ERROR, "Failed to set color transform on display %d: %d",
- displayId, result);
- }
- for (auto& layer : display->getVisibleLayersSortedByZ()) {
- if (layer->isHdrY410()) {
- layer->forceClientComposition(displayId);
- } else if ((layer->getDataSpace() == Dataspace::BT2020_PQ ||
- layer->getDataSpace() == Dataspace::BT2020_ITU_PQ) &&
- !display->hasHDR10Support()) {
- layer->forceClientComposition(displayId);
- } else if ((layer->getDataSpace() == Dataspace::BT2020_HLG ||
- layer->getDataSpace() == Dataspace::BT2020_ITU_HLG) &&
- !display->hasHLGSupport()) {
- layer->forceClientComposition(displayId);
- }
-
- if (layer->getForceClientComposition(displayId)) {
- ALOGV("[%s] Requesting Client composition", layer->getName().string());
- layer->setCompositionType(displayId, HWC2::Composition::Client);
- continue;
- }
-
- layer->setPerFrameData(display);
- }
-
- if (hasWideColorDisplay) {
- ColorMode colorMode;
- Dataspace dataSpace;
- RenderIntent renderIntent;
- pickColorMode(display, &colorMode, &dataSpace, &renderIntent);
- setActiveColorModeInternal(display, colorMode, dataSpace, renderIntent);
- }
- }
-
- mDrawingState.colorMatrixChanged = false;
-
+void SurfaceFlinger::prepareFrame()
+{
for (const auto& [token, display] : mDisplays) {
if (!display->isPoweredOn()) {
continue;
@@ -3270,9 +3272,8 @@
IPCThreadState* ipc = IPCThreadState::self();
const int pid = ipc->getCallingPid();
const int uid = ipc->getCallingUid();
-
if ((uid != AID_GRAPHICS && uid != AID_SYSTEM) &&
- !PermissionCache::checkPermission(sAccessSurfaceFlinger, pid, uid)) {
+ !PermissionCache::checkPermission(sAccessSurfaceFlinger, pid, uid)) {
return false;
}
return true;
@@ -4458,51 +4459,64 @@
}
status_t SurfaceFlinger::CheckTransactCodeCredentials(uint32_t code) {
- switch (code) {
- case CREATE_CONNECTION:
- case CREATE_DISPLAY:
+#pragma clang diagnostic push
+#pragma clang diagnostic error "-Wswitch-enum"
+ switch (static_cast<ISurfaceComposerTag>(code)) {
+ // These methods should at minimum make sure that the client requested
+ // access to SF.
+ case AUTHENTICATE_SURFACE:
case BOOT_FINISHED:
case CLEAR_ANIMATION_FRAME_STATS:
- case GET_ANIMATION_FRAME_STATS:
- case SET_POWER_MODE:
- case GET_HDR_CAPABILITIES:
+ case CREATE_CONNECTION:
+ case CREATE_DISPLAY:
+ case DESTROY_DISPLAY:
case ENABLE_VSYNC_INJECTIONS:
+ case GET_ACTIVE_COLOR_MODE:
+ case GET_ANIMATION_FRAME_STATS:
+ case GET_HDR_CAPABILITIES:
+ case SET_ACTIVE_CONFIG:
+ case SET_ACTIVE_COLOR_MODE:
case INJECT_VSYNC:
- {
- // codes that require permission check
+ case SET_POWER_MODE: {
if (!callingThreadHasUnscopedSurfaceFlingerAccess()) {
IPCThreadState* ipc = IPCThreadState::self();
ALOGE("Permission Denial: can't access SurfaceFlinger pid=%d, uid=%d",
ipc->getCallingPid(), ipc->getCallingUid());
return PERMISSION_DENIED;
}
- break;
- }
- /*
- * Calling setTransactionState is safe, because you need to have been
- * granted a reference to Client* and Handle* to do anything with it.
- *
- * Creating a scoped connection is safe, as per discussion in ISurfaceComposer.h
- */
- case SET_TRANSACTION_STATE:
- case CREATE_SCOPED_CONNECTION:
- {
return OK;
}
- case CAPTURE_SCREEN:
- {
- // codes that require permission check
+ case GET_LAYER_DEBUG_INFO: {
IPCThreadState* ipc = IPCThreadState::self();
const int pid = ipc->getCallingPid();
const int uid = ipc->getCallingUid();
- if ((uid != AID_GRAPHICS) &&
- !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
- ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
+ if ((uid != AID_SHELL) && !PermissionCache::checkPermission(sDump, pid, uid)) {
+ ALOGE("Layer debug info permission denied for pid=%d, uid=%d", pid, uid);
return PERMISSION_DENIED;
}
- break;
+ return OK;
}
- case CAPTURE_LAYERS: {
+ // Used by apps to hook Choreographer to SurfaceFlinger.
+ case CREATE_DISPLAY_EVENT_CONNECTION:
+ // The following calls are currently used by clients that do not
+ // request necessary permissions. However, they do not expose any secret
+ // information, so it is OK to pass them.
+ case GET_ACTIVE_CONFIG:
+ case GET_BUILT_IN_DISPLAY:
+ case GET_DISPLAY_COLOR_MODES:
+ case GET_DISPLAY_CONFIGS:
+ case GET_DISPLAY_STATS:
+ case GET_SUPPORTED_FRAME_TIMESTAMPS:
+ // Calling setTransactionState is safe, because you need to have been
+ // granted a reference to Client* and Handle* to do anything with it.
+ case SET_TRANSACTION_STATE:
+ // Creating a scoped connection is safe, as per discussion in ISurfaceComposer.h
+ case CREATE_SCOPED_CONNECTION: {
+ return OK;
+ }
+ case CAPTURE_LAYERS:
+ case CAPTURE_SCREEN: {
+ // codes that require permission check
IPCThreadState* ipc = IPCThreadState::self();
const int pid = ipc->getCallingPid();
const int uid = ipc->getCallingUid();
@@ -4511,15 +4525,37 @@
ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
return PERMISSION_DENIED;
}
- break;
+ return OK;
+ }
+ // The following codes are deprecated and should never be allowed to access SF.
+ case CONNECT_DISPLAY_UNUSED:
+ case CREATE_GRAPHIC_BUFFER_ALLOC_UNUSED: {
+ ALOGE("Attempting to access SurfaceFlinger with unused code: %u", code);
+ return PERMISSION_DENIED;
}
}
- return OK;
+
+ // These codes are used for the IBinder protocol to either interrogate the recipient
+ // side of the transaction for its canonical interface descriptor or to dump its state.
+ // We let them pass by default.
+ if (code == IBinder::INTERFACE_TRANSACTION || code == IBinder::DUMP_TRANSACTION ||
+ code == IBinder::PING_TRANSACTION || code == IBinder::SHELL_COMMAND_TRANSACTION ||
+ code == IBinder::SYSPROPS_TRANSACTION) {
+ return OK;
+ }
+ // Numbers from 1000 to 1029 are currently use for backdoors. The code
+ // in onTransact verifies that the user is root, and has access to use SF.
+ if (code >= 1000 && code <= 1029) {
+ ALOGV("Accessing SurfaceFlinger through backdoor code: %u", code);
+ return OK;
+ }
+ ALOGE("Permission Denial: SurfaceFlinger did not recognize request code: %u", code);
+ return PERMISSION_DENIED;
+#pragma clang diagnostic pop
}
-status_t SurfaceFlinger::onTransact(
- uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
+status_t SurfaceFlinger::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
+ uint32_t flags) {
status_t credentialCheck = CheckTransactCodeCredentials(code);
if (credentialCheck != OK) {
return credentialCheck;
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 5ceea3a..f5d8eb4 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -648,8 +648,8 @@
void computeVisibleRegions(const sp<const DisplayDevice>& display, Region& dirtyRegion,
Region& opaqueRegion);
- void preComposition(nsecs_t refreshStartTime);
- void postComposition(nsecs_t refreshStartTime);
+ void preComposition();
+ void postComposition();
void updateCompositorTiming(
nsecs_t vsyncPhase, nsecs_t vsyncInterval, nsecs_t compositeTime,
std::shared_ptr<FenceTime>& presentFenceTime);
@@ -667,7 +667,18 @@
void pickColorMode(const sp<DisplayDevice>& display, ui::ColorMode* outMode,
ui::Dataspace* outDataSpace, ui::RenderIntent* outRenderIntent) const;
- void setUpHWComposer();
+ void calculateWorkingSet();
+ /*
+ * beginFrame - This function handles any pre-frame processing that needs to be
+ * prior to any CompositionInfo handling and is not dependent on data in
+ * CompositionInfo
+ */
+ void beginFrame();
+ /* prepareFrame - This function will call into the DisplayDevice to prepare a
+ * frame after CompositionInfo has been programmed. This provides a mechanism
+ * to prepare the hardware composer
+ */
+ void prepareFrame();
void doComposition();
void doDebugFlashRegions();
void doTracing(const char* where);
@@ -863,6 +874,7 @@
Mutex mHWVsyncLock;
bool mPrimaryHWVsyncEnabled;
bool mHWVsyncAvailable;
+ nsecs_t mRefreshStartTime;
std::atomic<bool> mRefreshPending{false};
diff --git a/services/surfaceflinger/tests/Android.bp b/services/surfaceflinger/tests/Android.bp
index c511c5e..604aa7d 100644
--- a/services/surfaceflinger/tests/Android.bp
+++ b/services/surfaceflinger/tests/Android.bp
@@ -17,6 +17,7 @@
defaults: ["surfaceflinger_defaults"],
test_suites: ["device-tests"],
srcs: [
+ "Credentials_test.cpp",
"Stress_test.cpp",
"SurfaceInterceptor_test.cpp",
"Transaction_test.cpp",
diff --git a/services/surfaceflinger/tests/Credentials_test.cpp b/services/surfaceflinger/tests/Credentials_test.cpp
new file mode 100644
index 0000000..cd57411
--- /dev/null
+++ b/services/surfaceflinger/tests/Credentials_test.cpp
@@ -0,0 +1,322 @@
+#include <algorithm>
+#include <functional>
+#include <limits>
+#include <ostream>
+
+#include <gtest/gtest.h>
+
+#include <gui/ISurfaceComposer.h>
+#include <gui/LayerDebugInfo.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
+
+#include <private/android_filesystem_config.h>
+#include <private/gui/ComposerService.h>
+
+#include <ui/DisplayInfo.h>
+#include <utils/String8.h>
+
+namespace android {
+
+using Transaction = SurfaceComposerClient::Transaction;
+
+namespace {
+const String8 DISPLAY_NAME("Credentials Display Test");
+const String8 SURFACE_NAME("Test Surface Name");
+const int32_t MIN_LAYER_Z = 0;
+const int32_t MAX_LAYER_Z = std::numeric_limits<int32_t>::max();
+const uint32_t ROTATION = 0;
+const float FRAME_SCALE = 1.0f;
+} // namespace
+
+/**
+ * This class tests the CheckCredentials method in SurfaceFlinger.
+ * Methods like EnableVsyncInjections and InjectVsync are not tested since they do not
+ * return anything meaningful.
+ */
+class CredentialsTest : public ::testing::Test {
+protected:
+ void SetUp() override {
+ // Start the tests as root.
+ seteuid(AID_ROOT);
+
+ ASSERT_NO_FATAL_FAILURE(initClient());
+ }
+
+ void TearDown() override {
+ mComposerClient->dispose();
+ mBGSurfaceControl.clear();
+ mComposerClient.clear();
+ // Finish the tests as root.
+ seteuid(AID_ROOT);
+ }
+
+ sp<IBinder> mDisplay;
+ sp<IBinder> mVirtualDisplay;
+ sp<SurfaceComposerClient> mComposerClient;
+ sp<SurfaceControl> mBGSurfaceControl;
+ sp<SurfaceControl> mVirtualSurfaceControl;
+
+ void initClient() {
+ mComposerClient = new SurfaceComposerClient;
+ ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
+ }
+
+ void setupBackgroundSurface() {
+ mDisplay = SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain);
+ DisplayInfo info;
+ SurfaceComposerClient::getDisplayInfo(mDisplay, &info);
+ const ssize_t displayWidth = info.w;
+ const ssize_t displayHeight = info.h;
+
+ // Background surface
+ mBGSurfaceControl =
+ mComposerClient->createSurface(SURFACE_NAME, displayWidth, displayHeight,
+ PIXEL_FORMAT_RGBA_8888, 0);
+ ASSERT_TRUE(mBGSurfaceControl != nullptr);
+ ASSERT_TRUE(mBGSurfaceControl->isValid());
+
+ Transaction t;
+ t.setDisplayLayerStack(mDisplay, 0);
+ ASSERT_EQ(NO_ERROR,
+ t.setLayer(mBGSurfaceControl, INT_MAX - 3).show(mBGSurfaceControl).apply());
+ }
+
+ void setupVirtualDisplay() {
+ mVirtualDisplay = SurfaceComposerClient::createDisplay(DISPLAY_NAME, true);
+ const ssize_t displayWidth = 100;
+ const ssize_t displayHeight = 100;
+
+ // Background surface
+ mVirtualSurfaceControl =
+ mComposerClient->createSurface(SURFACE_NAME, displayWidth, displayHeight,
+ PIXEL_FORMAT_RGBA_8888, 0);
+ ASSERT_TRUE(mVirtualSurfaceControl != nullptr);
+ ASSERT_TRUE(mVirtualSurfaceControl->isValid());
+
+ Transaction t;
+ t.setDisplayLayerStack(mVirtualDisplay, 0);
+ ASSERT_EQ(NO_ERROR,
+ t.setLayer(mVirtualSurfaceControl, INT_MAX - 3)
+ .show(mVirtualSurfaceControl)
+ .apply());
+ }
+
+ /**
+ * Sets UID to imitate Graphic's process.
+ */
+ void setGraphicsUID() {
+ seteuid(AID_ROOT);
+ seteuid(AID_GRAPHICS);
+ }
+
+ /**
+ * Sets UID to imitate System's process.
+ */
+ void setSystemUID() {
+ seteuid(AID_ROOT);
+ seteuid(AID_SYSTEM);
+ }
+
+ /**
+ * Sets UID to imitate a process that doesn't have any special privileges in
+ * our code.
+ */
+ void setBinUID() {
+ seteuid(AID_ROOT);
+ seteuid(AID_BIN);
+ }
+
+ /**
+ * Template function the check a condition for different types of users: root
+ * graphics, system, and non-supported user. Root, graphics, and system should
+ * always equal privilegedValue, and non-supported user should equal unprivilegedValue.
+ */
+ template <typename T>
+ void checkWithPrivileges(std::function<T()> condition, T privilegedValue, T unprivilegedValue) {
+ // Check with root.
+ seteuid(AID_ROOT);
+ ASSERT_EQ(privilegedValue, condition());
+
+ // Check as a Graphics user.
+ setGraphicsUID();
+ ASSERT_EQ(privilegedValue, condition());
+
+ // Check as a system user.
+ setSystemUID();
+ ASSERT_EQ(privilegedValue, condition());
+
+ // Check as a non-supported user.
+ setBinUID();
+ ASSERT_EQ(unprivilegedValue, condition());
+ }
+};
+
+TEST_F(CredentialsTest, ClientInitTest) {
+ // Root can init can init the client.
+ ASSERT_NO_FATAL_FAILURE(initClient());
+
+ // Graphics can init the client.
+ setGraphicsUID();
+ ASSERT_NO_FATAL_FAILURE(initClient());
+
+ // System can init the client.
+ setSystemUID();
+ ASSERT_NO_FATAL_FAILURE(initClient());
+
+ // No one else can init the client.
+ setBinUID();
+ mComposerClient = new SurfaceComposerClient;
+ ASSERT_EQ(NO_INIT, mComposerClient->initCheck());
+}
+
+TEST_F(CredentialsTest, GetBuiltInDisplayAccessTest) {
+ std::function<bool()> condition = [=]() {
+ sp<IBinder> display(
+ SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
+ return (display != nullptr);
+ };
+ // Anyone can access display information.
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges(condition, true, true));
+}
+
+TEST_F(CredentialsTest, AllowedGetterMethodsTest) {
+ // The following methods are tested with a UID that is not root, graphics,
+ // or system, to show that anyone can access them.
+ setBinUID();
+ sp<IBinder> display(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
+ ASSERT_TRUE(display != nullptr);
+
+ DisplayInfo info;
+ ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(display, &info));
+
+ Vector<DisplayInfo> configs;
+ ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayConfigs(display, &configs));
+
+ ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getActiveConfig(display));
+
+ ASSERT_NE(static_cast<ui::ColorMode>(BAD_VALUE),
+ SurfaceComposerClient::getActiveColorMode(display));
+}
+
+TEST_F(CredentialsTest, GetDisplayColorModesTest) {
+ sp<IBinder> display(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
+ std::function<status_t()> condition = [=]() {
+ Vector<ui::ColorMode> outColorModes;
+ return SurfaceComposerClient::getDisplayColorModes(display, &outColorModes);
+ };
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, NO_ERROR));
+}
+
+TEST_F(CredentialsTest, SetActiveConfigTest) {
+ sp<IBinder> display(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
+ std::function<status_t()> condition = [=]() {
+ return SurfaceComposerClient::setActiveConfig(display, 0);
+ };
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, PERMISSION_DENIED));
+}
+
+TEST_F(CredentialsTest, SetActiveColorModeTest) {
+ sp<IBinder> display(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
+ std::function<status_t()> condition = [=]() {
+ return SurfaceComposerClient::setActiveColorMode(display, ui::ColorMode::NATIVE);
+ };
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, PERMISSION_DENIED));
+}
+
+TEST_F(CredentialsTest, CreateSurfaceTest) {
+ sp<IBinder> display(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
+ DisplayInfo info;
+ SurfaceComposerClient::getDisplayInfo(display, &info);
+ const ssize_t displayWidth = info.w;
+ const ssize_t displayHeight = info.h;
+
+ std::function<bool()> condition = [=]() {
+ mBGSurfaceControl =
+ mComposerClient->createSurface(SURFACE_NAME, displayWidth, displayHeight,
+ PIXEL_FORMAT_RGBA_8888, 0);
+ return mBGSurfaceControl != nullptr && mBGSurfaceControl->isValid();
+ };
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges(condition, true, false));
+}
+
+TEST_F(CredentialsTest, CreateDisplayTest) {
+ std::function<bool()> condition = [=]() {
+ sp<IBinder> testDisplay = SurfaceComposerClient::createDisplay(DISPLAY_NAME, true);
+ return testDisplay.get() != nullptr;
+ };
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges(condition, true, false));
+
+ condition = [=]() {
+ sp<IBinder> testDisplay = SurfaceComposerClient::createDisplay(DISPLAY_NAME, false);
+ return testDisplay.get() != nullptr;
+ };
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges(condition, true, false));
+}
+
+TEST_F(CredentialsTest, DISABLED_DestroyDisplayTest) {
+ setupVirtualDisplay();
+
+ DisplayInfo info;
+ ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(mVirtualDisplay, &info));
+ SurfaceComposerClient::destroyDisplay(mVirtualDisplay);
+ // This test currently fails. TODO(b/112002626): Find a way to properly create
+ // a display in the test environment, so that destroy display can remove it.
+ ASSERT_EQ(NAME_NOT_FOUND, SurfaceComposerClient::getDisplayInfo(mVirtualDisplay, &info));
+}
+
+TEST_F(CredentialsTest, CaptureTest) {
+ sp<IBinder> display(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
+ std::function<status_t()> condition = [=]() {
+ sp<GraphicBuffer> outBuffer;
+ return ScreenshotClient::capture(display, Rect(), 0 /*reqWidth*/, 0 /*reqHeight*/,
+ MIN_LAYER_Z, MAX_LAYER_Z, false, ROTATION, &outBuffer);
+ };
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, PERMISSION_DENIED));
+}
+
+TEST_F(CredentialsTest, CaptureLayersTest) {
+ setupBackgroundSurface();
+ sp<GraphicBuffer> outBuffer;
+ std::function<status_t()> condition = [=]() {
+ sp<GraphicBuffer> outBuffer;
+ return ScreenshotClient::captureLayers(mBGSurfaceControl->getHandle(), Rect(), FRAME_SCALE,
+ &outBuffer);
+ };
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges<status_t>(condition, NO_ERROR, PERMISSION_DENIED));
+}
+
+/**
+ * Test for methods accessible directly through SurfaceFlinger:
+ */
+TEST_F(CredentialsTest, AuthenticateSurfaceTextureTest) {
+ setupBackgroundSurface();
+ sp<IGraphicBufferProducer> producer =
+ mBGSurfaceControl->getSurface()->getIGraphicBufferProducer();
+ sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+
+ std::function<bool()> condition = [=]() { return sf->authenticateSurfaceTexture(producer); };
+ ASSERT_NO_FATAL_FAILURE(checkWithPrivileges(condition, true, false));
+}
+
+TEST_F(CredentialsTest, GetLayerDebugInfo) {
+ setupBackgroundSurface();
+ sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+
+ // Historically, only root and shell can access the getLayerDebugInfo which
+ // is called when we call dumpsys. I don't see a reason why we should change this.
+ std::vector<LayerDebugInfo> outLayers;
+ // Check with root.
+ seteuid(AID_ROOT);
+ ASSERT_EQ(NO_ERROR, sf->getLayerDebugInfo(&outLayers));
+
+ // Check as a shell.
+ seteuid(AID_SHELL);
+ ASSERT_EQ(NO_ERROR, sf->getLayerDebugInfo(&outLayers));
+
+ // Check as anyone else.
+ seteuid(AID_ROOT);
+ seteuid(AID_BIN);
+ ASSERT_EQ(PERMISSION_DENIED, sf->getLayerDebugInfo(&outLayers));
+}
+} // namespace android
diff --git a/services/surfaceflinger/tests/SurfaceFlinger_test.filter b/services/surfaceflinger/tests/SurfaceFlinger_test.filter
index 731e628..1319e12 100644
--- a/services/surfaceflinger/tests/SurfaceFlinger_test.filter
+++ b/services/surfaceflinger/tests/SurfaceFlinger_test.filter
@@ -1,5 +1,5 @@
{
"presubmit": {
- "filter": "LayerTransactionTest.*:LayerUpdateTest.*:ChildLayerTest.*:SurfaceFlingerStress.*:CropLatchingTest.*:GeometryLatchingTest.*:ScreenCaptureTest.*:DereferenceSurfaceControlTest.*:SurfaceInterceptorTest.*:-CropLatchingTest.FinalCropLatchingBufferOldSize"
+ "filter": "CredentialsTest.*:LayerTransactionTest.*:LayerUpdateTest.*:ChildLayerTest.*:SurfaceFlingerStress.*:CropLatchingTest.*:GeometryLatchingTest.*:ScreenCaptureTest.*:DereferenceSurfaceControlTest.*:SurfaceInterceptorTest.*:-CropLatchingTest.FinalCropLatchingBufferOldSize"
}
}