commit 456bbb2a5ecfadbdc639e0a2b671802401d3c663
author Vishnu Nair <vishnun@google.com> Thu Jul 18 16:02:00 2019 -0700
committer Vishnu Nair <vishnun@google.com> Thu Jul 18 16:02:00 2019 -0700
tree e5090f5ae3bca09a3301ae0ee733211eeecc089b
parent ea7b7ec23243923d54f6121e028fb5280eb51631

Add more layer state changes to SurfaceInterceptor

Track flag set and clear state changes.
Track reparenting, detach children and relative z changes.

Test: run surface interceptor and view results
Test: atest SurfaceFlinger_test:SurfaceInterceptorTest#*
Change-Id: I0c55e6d45034e180a3c8970c60af21bf8f2bb01c

cmds/surfacereplayer/proto/src/trace.proto

diff --git a/cmds/surfacereplayer/proto/src/trace.proto b/cmds/surfacereplayer/proto/src/trace.proto
index c70bc3e..a738527 100644
--- a/cmds/surfacereplayer/proto/src/trace.proto
+++ b/cmds/surfacereplayer/proto/src/trace.proto
@@ -46,6 +46,10 @@
         SecureFlagChange            secure_flag             = 14;
         DeferredTransactionChange   deferred_transaction    = 15;
         CornerRadiusChange          corner_radius           = 16;
+        ReparentChange              reparent                = 17;
+        RelativeParentChange        relative_parent         = 18;
+        DetachChildrenChange        detach_children         = 19;
+        ReparentChildrenChange      reparent_children       = 20;
     }
 }
 
@@ -177,3 +181,20 @@
     required int32  id   = 1;
     required int32  mode = 2;
 }
+
+message ReparentChange {
+    required int32 parent_id = 1;
+}
+
+message ReparentChildrenChange {
+    required int32 parent_id = 1;
+}
+
+message RelativeParentChange {
+    required int32 relative_parent_id = 1;
+    required int32 z = 2;
+}
+
+message DetachChildrenChange {
+    required bool detach_children = 1;
+}

cmds/surfacereplayer/replayer/Replayer.cpp

diff --git a/cmds/surfacereplayer/replayer/Replayer.cpp b/cmds/surfacereplayer/replayer/Replayer.cpp
index 34886a9..a4a9b6a 100644
--- a/cmds/surfacereplayer/replayer/Replayer.cpp
+++ b/cmds/surfacereplayer/replayer/Replayer.cpp
@@ -412,6 +412,18 @@
                 setDeferredTransaction(transaction, change.id(),
                         change.deferred_transaction());
                 break;
+            case SurfaceChange::SurfaceChangeCase::kReparent:
+                setReparentChange(transaction, change.id(), change.reparent());
+                break;
+            case SurfaceChange::SurfaceChangeCase::kReparentChildren:
+                setReparentChildrenChange(transaction, change.id(), change.reparent_children());
+                break;
+            case SurfaceChange::SurfaceChangeCase::kRelativeParent:
+                setRelativeParentChange(transaction, change.id(), change.relative_parent());
+                break;
+            case SurfaceChange::SurfaceChangeCase::kDetachChildren:
+                setDetachChildrenChange(transaction, change.id(), change.detach_children());
+                break;
             default:
                 status = 1;
                 break;
@@ -680,3 +692,35 @@
     mComposerClient = new SurfaceComposerClient;
     return mComposerClient->initCheck();
 }
+
+void Replayer::setReparentChange(SurfaceComposerClient::Transaction& t,
+        layer_id id, const ReparentChange& c) {
+    sp<IBinder> newParentHandle = nullptr;
+    if (mLayers.count(c.parent_id()) != 0 && mLayers[c.parent_id()] != nullptr) {
+        newParentHandle = mLayers[c.parent_id()]->getHandle();
+    }
+    t.reparent(mLayers[id], newParentHandle);
+}
+
+void Replayer::setRelativeParentChange(SurfaceComposerClient::Transaction& t,
+        layer_id id, const RelativeParentChange& c) {
+    if (mLayers.count(c.relative_parent_id()) == 0 || mLayers[c.relative_parent_id()] == nullptr) {
+        ALOGE("Layer %d not found in set relative parent transaction", c.relative_parent_id());
+        return;
+    }
+    t.setRelativeLayer(mLayers[id], mLayers[c.relative_parent_id()]->getHandle(), c.z());
+}
+
+void Replayer::setDetachChildrenChange(SurfaceComposerClient::Transaction& t,
+        layer_id id, const DetachChildrenChange& c) {
+    t.detachChildren(mLayers[id]);
+}
+
+void Replayer::setReparentChildrenChange(SurfaceComposerClient::Transaction& t,
+        layer_id id, const ReparentChildrenChange& c) {
+    if (mLayers.count(c.parent_id()) == 0 || mLayers[c.parent_id()] == nullptr) {
+        ALOGE("Layer %d not found in reparent children transaction", c.parent_id());
+        return;
+    }
+    t.reparentChildren(mLayers[id], mLayers[c.parent_id()]->getHandle());
+}

cmds/surfacereplayer/replayer/Replayer.h

diff --git a/cmds/surfacereplayer/replayer/Replayer.h b/cmds/surfacereplayer/replayer/Replayer.h
index ad807ee..d7709cc 100644
--- a/cmds/surfacereplayer/replayer/Replayer.h
+++ b/cmds/surfacereplayer/replayer/Replayer.h
@@ -108,6 +108,14 @@
             layer_id id, const SecureFlagChange& sfc);
     void setDeferredTransaction(SurfaceComposerClient::Transaction& t,
             layer_id id, const DeferredTransactionChange& dtc);
+    void setReparentChange(SurfaceComposerClient::Transaction& t,
+            layer_id id, const ReparentChange& c);
+    void setRelativeParentChange(SurfaceComposerClient::Transaction& t,
+            layer_id id, const RelativeParentChange& c);
+    void setDetachChildrenChange(SurfaceComposerClient::Transaction& t,
+            layer_id id, const DetachChildrenChange& c);
+    void setReparentChildrenChange(SurfaceComposerClient::Transaction& t,
+            layer_id id, const ReparentChildrenChange& c);
 
     void setDisplaySurface(SurfaceComposerClient::Transaction& t,
             display_id id, const DispSurfaceChange& dsc);