Merge "Only attach descendants if parent was detached"
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index a34af17..2ed363a 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1820,7 +1820,7 @@
onRemovedFromCurrentState();
}
- if (callSetTransactionFlags || attachChildren()) {
+ if (attachChildren() || callSetTransactionFlags) {
setTransactionFlags(eTransactionNeeded);
}
return true;
@@ -1848,9 +1848,9 @@
if (client != nullptr && parentClient != client) {
if (child->mLayerDetached) {
child->mLayerDetached = false;
+ child->attachChildren();
changed = true;
}
- changed |= child->attachChildren();
}
}
diff --git a/services/surfaceflinger/tests/Android.bp b/services/surfaceflinger/tests/Android.bp
index fe2af80..c96dfc7 100644
--- a/services/surfaceflinger/tests/Android.bp
+++ b/services/surfaceflinger/tests/Android.bp
@@ -21,6 +21,7 @@
"CommonTypes_test.cpp",
"Credentials_test.cpp",
"DereferenceSurfaceControl_test.cpp",
+ "DetachChildren_test.cpp",
"DisplayConfigs_test.cpp",
"EffectLayer_test.cpp",
"InvalidHandles_test.cpp",
diff --git a/services/surfaceflinger/tests/DetachChildren_test.cpp b/services/surfaceflinger/tests/DetachChildren_test.cpp
new file mode 100644
index 0000000..b6c2fe2
--- /dev/null
+++ b/services/surfaceflinger/tests/DetachChildren_test.cpp
@@ -0,0 +1,322 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wconversion"
+
+#include "LayerTransactionTest.h"
+
+namespace android {
+
+class DetachChildren : public LayerTransactionTest {
+protected:
+ virtual void SetUp() {
+ LayerTransactionTest::SetUp();
+
+ mMainSurface = createLayer(String8("Main Test Surface"), mMainSurfaceBounds.width(),
+ mMainSurfaceBounds.height(), 0, mBlackBgSurface.get());
+
+ ASSERT_TRUE(mMainSurface != nullptr);
+ ASSERT_TRUE(mMainSurface->isValid());
+
+ TransactionUtils::fillSurfaceRGBA8(mMainSurface, mMainSurfaceColor);
+
+ asTransaction([&](Transaction& t) {
+ t.setLayer(mMainSurface, INT32_MAX - 1)
+ .setPosition(mMainSurface, mMainSurfaceBounds.left, mMainSurfaceBounds.top)
+ .show(mMainSurface);
+ });
+ }
+
+ virtual void TearDown() {
+ LayerTransactionTest::TearDown();
+ mMainSurface = 0;
+ }
+
+ sp<SurfaceControl> mMainSurface;
+ Color mMainSurfaceColor = {195, 63, 63, 255};
+ Rect mMainSurfaceBounds = Rect(64, 64, 128, 128);
+ std::unique_ptr<ScreenCapture> mCapture;
+};
+
+TEST_F(DetachChildren, RelativesAreNotDetached) {
+ Color relativeColor = {10, 10, 10, 255};
+ Rect relBounds = Rect(64, 64, 74, 74);
+
+ sp<SurfaceControl> relative =
+ createLayer(String8("relativeTestSurface"), relBounds.width(), relBounds.height(), 0);
+ TransactionUtils::fillSurfaceRGBA8(relative, relativeColor);
+
+ Transaction{}
+ .setRelativeLayer(relative, mMainSurface->getHandle(), 1)
+ .setPosition(relative, relBounds.left, relBounds.top)
+ .apply();
+
+ {
+ // The relative should be on top of the FG control.
+ mCapture = screenshot();
+ mCapture->expectColor(relBounds, relativeColor);
+ }
+ Transaction{}.detachChildren(mMainSurface).apply();
+
+ {
+ // Nothing should change at this point.
+ mCapture = screenshot();
+ mCapture->expectColor(relBounds, relativeColor);
+ }
+
+ Transaction{}.hide(relative).apply();
+
+ {
+ // Ensure that the relative was actually hidden, rather than
+ // being left in the detached but visible state.
+ mCapture = screenshot();
+ mCapture->expectColor(mMainSurfaceBounds, mMainSurfaceColor);
+ }
+}
+
+TEST_F(DetachChildren, DetachChildrenSameClient) {
+ Color childColor = {200, 200, 200, 255};
+ Rect childBounds = Rect(74, 74, 84, 84);
+ sp<SurfaceControl> child = createLayer(String8("Child surface"), childBounds.width(),
+ childBounds.height(), 0, mMainSurface.get());
+ ASSERT_TRUE(child->isValid());
+
+ TransactionUtils::fillSurfaceRGBA8(child, childColor);
+
+ asTransaction([&](Transaction& t) {
+ t.show(child);
+ t.setPosition(child, childBounds.left - mMainSurfaceBounds.left,
+ childBounds.top - mMainSurfaceBounds.top);
+ });
+
+ {
+ mCapture = screenshot();
+ // Expect main color around the child surface
+ mCapture->expectBorder(childBounds, mMainSurfaceColor);
+ mCapture->expectColor(childBounds, childColor);
+ }
+
+ asTransaction([&](Transaction& t) { t.detachChildren(mMainSurface); });
+
+ asTransaction([&](Transaction& t) { t.hide(child); });
+
+ // Since the child has the same client as the parent, it will not get
+ // detached and will be hidden.
+ {
+ mCapture = screenshot();
+ mCapture->expectColor(mMainSurfaceBounds, mMainSurfaceColor);
+ }
+}
+
+TEST_F(DetachChildren, DetachChildrenDifferentClient) {
+ Color childColor = {200, 200, 200, 255};
+ Rect childBounds = Rect(74, 74, 84, 84);
+
+ sp<SurfaceComposerClient> newComposerClient = new SurfaceComposerClient;
+ sp<SurfaceControl> childNewClient =
+ createSurface(newComposerClient, "New Child Test Surface", childBounds.width(),
+ childBounds.height(), PIXEL_FORMAT_RGBA_8888, 0, mMainSurface.get());
+ ASSERT_TRUE(childNewClient->isValid());
+
+ TransactionUtils::fillSurfaceRGBA8(childNewClient, childColor);
+
+ asTransaction([&](Transaction& t) {
+ t.show(childNewClient);
+ t.setPosition(childNewClient, childBounds.left - mMainSurfaceBounds.left,
+ childBounds.top - mMainSurfaceBounds.top);
+ });
+
+ {
+ mCapture = screenshot();
+ // Expect main color around the child surface
+ mCapture->expectBorder(childBounds, mMainSurfaceColor);
+ mCapture->expectColor(childBounds, childColor);
+ }
+
+ asTransaction([&](Transaction& t) { t.detachChildren(mMainSurface); });
+
+ asTransaction([&](Transaction& t) { t.hide(childNewClient); });
+
+ // Nothing should have changed.
+ {
+ mCapture = screenshot();
+ mCapture->expectBorder(childBounds, mMainSurfaceColor);
+ mCapture->expectColor(childBounds, childColor);
+ }
+}
+
+TEST_F(DetachChildren, DetachChildrenThenAttach) {
+ Color childColor = {200, 200, 200, 255};
+ Rect childBounds = Rect(74, 74, 84, 84);
+
+ sp<SurfaceComposerClient> newComposerClient = new SurfaceComposerClient;
+ sp<SurfaceControl> childNewClient =
+ createSurface(newComposerClient, "New Child Test Surface", childBounds.width(),
+ childBounds.height(), PIXEL_FORMAT_RGBA_8888, 0, mMainSurface.get());
+ ASSERT_TRUE(childNewClient->isValid());
+
+ TransactionUtils::fillSurfaceRGBA8(childNewClient, childColor);
+
+ Transaction()
+ .show(childNewClient)
+ .setPosition(childNewClient, childBounds.left - mMainSurfaceBounds.left,
+ childBounds.top - mMainSurfaceBounds.top)
+ .apply();
+
+ {
+ mCapture = screenshot();
+ // Expect main color around the child surface
+ mCapture->expectBorder(childBounds, mMainSurfaceColor);
+ mCapture->expectColor(childBounds, childColor);
+ }
+
+ Transaction().detachChildren(mMainSurface).apply();
+ Transaction().hide(childNewClient).apply();
+
+ // Nothing should have changed.
+ {
+ mCapture = screenshot();
+ mCapture->expectBorder(childBounds, mMainSurfaceColor);
+ mCapture->expectColor(childBounds, childColor);
+ }
+
+ Color newParentColor = Color::RED;
+ Rect newParentBounds = Rect(20, 20, 52, 52);
+ sp<SurfaceControl> newParentSurface =
+ createLayer(String8("New Parent Surface"), newParentBounds.width(),
+ newParentBounds.height(), 0);
+ TransactionUtils::fillSurfaceRGBA8(newParentSurface, newParentColor);
+ Transaction()
+ .setLayer(newParentSurface, INT32_MAX - 1)
+ .show(newParentSurface)
+ .setPosition(newParentSurface, newParentBounds.left, newParentBounds.top)
+ .reparent(childNewClient, newParentSurface->getHandle())
+ .apply();
+ {
+ mCapture = screenshot();
+ // Child is now hidden.
+ mCapture->expectColor(newParentBounds, newParentColor);
+ }
+}
+
+TEST_F(DetachChildren, DetachChildrenWithDeferredTransaction) {
+ Color childColor = {200, 200, 200, 255};
+ Rect childBounds = Rect(74, 74, 84, 84);
+
+ sp<SurfaceComposerClient> newComposerClient = new SurfaceComposerClient;
+ sp<SurfaceControl> childNewClient =
+ createSurface(newComposerClient, "New Child Test Surface", childBounds.width(),
+ childBounds.height(), PIXEL_FORMAT_RGBA_8888, 0, mMainSurface.get());
+ ASSERT_TRUE(childNewClient->isValid());
+
+ TransactionUtils::fillSurfaceRGBA8(childNewClient, childColor);
+
+ Transaction()
+ .show(childNewClient)
+ .setPosition(childNewClient, childBounds.left - mMainSurfaceBounds.left,
+ childBounds.top - mMainSurfaceBounds.top)
+ .apply();
+
+ {
+ mCapture = screenshot();
+ mCapture->expectBorder(childBounds, mMainSurfaceColor);
+ mCapture->expectColor(childBounds, childColor);
+ }
+
+ Transaction()
+ .deferTransactionUntil_legacy(childNewClient, mMainSurface->getHandle(),
+ mMainSurface->getSurface()->getNextFrameNumber())
+ .apply();
+ Transaction().detachChildren(mMainSurface).apply();
+ ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(mMainSurface, Color::RED,
+ mMainSurfaceBounds.width(),
+ mMainSurfaceBounds.height()));
+
+ // BufferLayer can still dequeue buffers even though there's a detached layer with a
+ // deferred transaction.
+ {
+ SCOPED_TRACE("new buffer");
+ mCapture = screenshot();
+ mCapture->expectBorder(childBounds, Color::RED);
+ mCapture->expectColor(childBounds, childColor);
+ }
+}
+
+TEST_F(DetachChildren, ReparentParentLayerOfDetachedChildren) {
+ Color childColor = {200, 200, 200, 255};
+ Rect childBounds = Rect(74, 74, 94, 94);
+ Color grandchildColor = Color::RED;
+ Rect grandchildBounds = Rect(80, 80, 90, 90);
+
+ sp<SurfaceComposerClient> newClient1 = new SurfaceComposerClient;
+ sp<SurfaceComposerClient> newClient2 = new SurfaceComposerClient;
+
+ sp<SurfaceControl> childSurface =
+ createSurface(newClient1, "Child surface", childBounds.width(), childBounds.height(),
+ PIXEL_FORMAT_RGBA_8888, 0, mMainSurface.get());
+ sp<SurfaceControl> grandchildSurface =
+ createSurface(newClient2, "Grandchild Surface", grandchildBounds.width(),
+ grandchildBounds.height(), PIXEL_FORMAT_RGBA_8888, 0, childSurface.get());
+
+ TransactionUtils::fillSurfaceRGBA8(childSurface, childColor);
+ TransactionUtils::fillSurfaceRGBA8(grandchildSurface, grandchildColor);
+
+ Transaction()
+ .show(childSurface)
+ .show(grandchildSurface)
+ .setPosition(childSurface, childBounds.left - mMainSurfaceBounds.left,
+ childBounds.top - mMainSurfaceBounds.top)
+ .setPosition(grandchildSurface, grandchildBounds.left - childBounds.left,
+ grandchildBounds.top - childBounds.top)
+ .apply();
+
+ {
+ mCapture = screenshot();
+ mCapture->expectBorder(childBounds, mMainSurfaceColor);
+ mCapture->expectBorder(grandchildBounds, childColor);
+ mCapture->expectColor(grandchildBounds, grandchildColor);
+ }
+
+ Transaction().detachChildren(childSurface).apply();
+
+ // Remove main surface offscreen
+ Transaction().reparent(mMainSurface, nullptr).apply();
+ {
+ mCapture = screenshot();
+ mCapture->expectColor(mMainSurfaceBounds, Color::BLACK);
+ }
+
+ Transaction().reparent(mMainSurface, mBlackBgSurface->getHandle()).apply();
+ {
+ mCapture = screenshot();
+ mCapture->expectBorder(childBounds, mMainSurfaceColor);
+ mCapture->expectBorder(grandchildBounds, childColor);
+ mCapture->expectColor(grandchildBounds, grandchildColor);
+ }
+
+ Transaction().hide(grandchildSurface).apply();
+
+ // grandchild is still detached so it will not hide
+ {
+ mCapture = screenshot();
+ mCapture->expectBorder(childBounds, mMainSurfaceColor);
+ mCapture->expectBorder(grandchildBounds, childColor);
+ mCapture->expectColor(grandchildBounds, grandchildColor);
+ }
+}
+
+} // namespace android
\ No newline at end of file
diff --git a/services/surfaceflinger/tests/LayerUpdate_test.cpp b/services/surfaceflinger/tests/LayerUpdate_test.cpp
index cdd9d92..84823f5 100644
--- a/services/surfaceflinger/tests/LayerUpdate_test.cpp
+++ b/services/surfaceflinger/tests/LayerUpdate_test.cpp
@@ -103,41 +103,6 @@
sp<SurfaceControl> mSyncSurfaceControl;
};
-TEST_F(LayerUpdateTest, RelativesAreNotDetached) {
- std::unique_ptr<ScreenCapture> sc;
-
- sp<SurfaceControl> relative = createLayer(String8("relativeTestSurface"), 10, 10, 0);
- TransactionUtils::fillSurfaceRGBA8(relative, 10, 10, 10);
- waitForPostedBuffers();
-
- Transaction{}
- .setRelativeLayer(relative, mFGSurfaceControl->getHandle(), 1)
- .setPosition(relative, 64, 64)
- .apply();
-
- {
- // The relative should be on top of the FG control.
- ScreenCapture::captureScreen(&sc);
- sc->checkPixel(64, 64, 10, 10, 10);
- }
- Transaction{}.detachChildren(mFGSurfaceControl).apply();
-
- {
- // Nothing should change at this point.
- ScreenCapture::captureScreen(&sc);
- sc->checkPixel(64, 64, 10, 10, 10);
- }
-
- Transaction{}.hide(relative).apply();
-
- {
- // Ensure that the relative was actually hidden, rather than
- // being left in the detached but visible state.
- ScreenCapture::captureScreen(&sc);
- sc->expectFGColor(64, 64);
- }
-}
-
class GeometryLatchingTest : public LayerUpdateTest {
protected:
void EXPECT_INITIAL_STATE(const char* trace) {
@@ -588,174 +553,6 @@
}
}
-TEST_F(ChildLayerTest, DetachChildrenSameClient) {
- asTransaction([&](Transaction& t) {
- t.show(mChild);
- t.setPosition(mChild, 10, 10);
- t.setPosition(mFGSurfaceControl, 64, 64);
- });
-
- {
- mCapture = screenshot();
- // Top left of foreground must now be visible
- mCapture->expectFGColor(64, 64);
- // But 10 pixels in we should see the child surface
- mCapture->expectChildColor(74, 74);
- // And 10 more pixels we should be back to the foreground surface
- mCapture->expectFGColor(84, 84);
- }
-
- asTransaction([&](Transaction& t) { t.detachChildren(mFGSurfaceControl); });
-
- asTransaction([&](Transaction& t) { t.hide(mChild); });
-
- // Since the child has the same client as the parent, it will not get
- // detached and will be hidden.
- {
- mCapture = screenshot();
- mCapture->expectFGColor(64, 64);
- mCapture->expectFGColor(74, 74);
- mCapture->expectFGColor(84, 84);
- }
-}
-
-TEST_F(ChildLayerTest, DetachChildrenDifferentClient) {
- sp<SurfaceComposerClient> mNewComposerClient = new SurfaceComposerClient;
- sp<SurfaceControl> mChildNewClient =
- createSurface(mNewComposerClient, "New Child Test Surface", 10, 10,
- PIXEL_FORMAT_RGBA_8888, 0, mFGSurfaceControl.get());
-
- ASSERT_TRUE(mChildNewClient->isValid());
-
- TransactionUtils::fillSurfaceRGBA8(mChildNewClient, 200, 200, 200);
-
- asTransaction([&](Transaction& t) {
- t.hide(mChild);
- t.show(mChildNewClient);
- t.setPosition(mChildNewClient, 10, 10);
- t.setPosition(mFGSurfaceControl, 64, 64);
- });
-
- {
- mCapture = screenshot();
- // Top left of foreground must now be visible
- mCapture->expectFGColor(64, 64);
- // But 10 pixels in we should see the child surface
- mCapture->expectChildColor(74, 74);
- // And 10 more pixels we should be back to the foreground surface
- mCapture->expectFGColor(84, 84);
- }
-
- asTransaction([&](Transaction& t) { t.detachChildren(mFGSurfaceControl); });
-
- asTransaction([&](Transaction& t) { t.hide(mChildNewClient); });
-
- // Nothing should have changed.
- {
- mCapture = screenshot();
- mCapture->expectFGColor(64, 64);
- mCapture->expectChildColor(74, 74);
- mCapture->expectFGColor(84, 84);
- }
-}
-
-TEST_F(ChildLayerTest, DetachChildrenThenAttach) {
- sp<SurfaceComposerClient> newComposerClient = new SurfaceComposerClient;
- sp<SurfaceControl> childNewClient =
- newComposerClient->createSurface(String8("New Child Test Surface"), 10, 10,
- PIXEL_FORMAT_RGBA_8888, 0, mFGSurfaceControl.get());
-
- ASSERT_TRUE(childNewClient != nullptr);
- ASSERT_TRUE(childNewClient->isValid());
-
- TransactionUtils::fillSurfaceRGBA8(childNewClient, 200, 200, 200);
-
- Transaction()
- .hide(mChild)
- .show(childNewClient)
- .setPosition(childNewClient, 10, 10)
- .setPosition(mFGSurfaceControl, 64, 64)
- .apply();
-
- {
- mCapture = screenshot();
- // Top left of foreground must now be visible
- mCapture->expectFGColor(64, 64);
- // But 10 pixels in we should see the child surface
- mCapture->expectChildColor(74, 74);
- // And 10 more pixels we should be back to the foreground surface
- mCapture->expectFGColor(84, 84);
- }
-
- Transaction().detachChildren(mFGSurfaceControl).apply();
- Transaction().hide(childNewClient).apply();
-
- // Nothing should have changed.
- {
- mCapture = screenshot();
- mCapture->expectFGColor(64, 64);
- mCapture->expectChildColor(74, 74);
- mCapture->expectFGColor(84, 84);
- }
-
- sp<SurfaceControl> newParentSurface = createLayer(String8("New Parent Surface"), 32, 32, 0);
- fillLayerColor(ISurfaceComposerClient::eFXSurfaceBufferQueue, newParentSurface, Color::RED, 32,
- 32);
- Transaction()
- .setLayer(newParentSurface, INT32_MAX - 1)
- .show(newParentSurface)
- .setPosition(newParentSurface, 20, 20)
- .reparent(childNewClient, newParentSurface->getHandle())
- .apply();
- {
- mCapture = screenshot();
- // Child is now hidden.
- mCapture->expectColor(Rect(20, 20, 52, 52), Color::RED);
- }
-}
-TEST_F(ChildLayerTest, DetachChildrenWithDeferredTransaction) {
- sp<SurfaceComposerClient> newComposerClient = new SurfaceComposerClient;
- sp<SurfaceControl> childNewClient =
- newComposerClient->createSurface(String8("New Child Test Surface"), 10, 10,
- PIXEL_FORMAT_RGBA_8888, 0, mFGSurfaceControl.get());
-
- ASSERT_TRUE(childNewClient != nullptr);
- ASSERT_TRUE(childNewClient->isValid());
-
- TransactionUtils::fillSurfaceRGBA8(childNewClient, 200, 200, 200);
-
- Transaction()
- .hide(mChild)
- .show(childNewClient)
- .setPosition(childNewClient, 10, 10)
- .setPosition(mFGSurfaceControl, 64, 64)
- .apply();
-
- {
- mCapture = screenshot();
- Rect rect = Rect(74, 74, 84, 84);
- mCapture->expectBorder(rect, Color{195, 63, 63, 255});
- mCapture->expectColor(rect, Color{200, 200, 200, 255});
- }
-
- Transaction()
- .deferTransactionUntil_legacy(childNewClient, mFGSurfaceControl->getHandle(),
- mFGSurfaceControl->getSurface()->getNextFrameNumber())
- .apply();
- Transaction().detachChildren(mFGSurfaceControl).apply();
- ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(mFGSurfaceControl, Color::RED, 32, 32));
-
- // BufferLayer can still dequeue buffers even though there's a detached layer with a
- // deferred transaction.
- {
- SCOPED_TRACE("new buffer");
- mCapture = screenshot();
- Rect rect = Rect(74, 74, 84, 84);
- mCapture->expectBorder(rect, Color::RED);
- mCapture->expectColor(rect, Color{200, 200, 200, 255});
- }
-}
-
TEST_F(ChildLayerTest, ChildrenInheritNonTransformScalingFromParent) {
asTransaction([&](Transaction& t) {
t.show(mChild);