sf: Initialize EventThread before creating HWC

Once HWC is created, it could use any of the provided hooks, which
could lead to a crash if the EventThread (handler) isn't initialized
prior to creating HWC.

Change-Id: I5ea35fe9bcb150fb74aae1295b798bd787ad6cee

1 files changed, 9 insertions, 9 deletions

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 067ac69..bf9b886 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -438,6 +438,15 @@ void SurfaceFlinger::init() {
     mEGLDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
     eglInitialize(mEGLDisplay, NULL, NULL);
 
+    // start the EventThread
+    sp<VSyncSource> vsyncSrc = new DispSyncSource(&mPrimaryDispSync,
+            vsyncPhaseOffsetNs, true, "app");
+    mEventThread = new EventThread(vsyncSrc);
+    sp<VSyncSource> sfVsyncSrc = new DispSyncSource(&mPrimaryDispSync,
+            sfVsyncPhaseOffsetNs, true, "sf");
+    mSFEventThread = new EventThread(sfVsyncSrc);
+    mEventQueue.setEventThread(mSFEventThread);
+
     // Initialize the H/W composer object.  There may or may not be an
     // actual hardware composer underneath.
     mHwc = new HWComposer(this,
@@ -489,15 +498,6 @@ void SurfaceFlinger::init() {
     // (which may happens before we render something)
     getDefaultDisplayDevice()->makeCurrent(mEGLDisplay, mEGLContext);
 
-    // start the EventThread
-    sp<VSyncSource> vsyncSrc = new DispSyncSource(&mPrimaryDispSync,
-            vsyncPhaseOffsetNs, true, "app");
-    mEventThread = new EventThread(vsyncSrc);
-    sp<VSyncSource> sfVsyncSrc = new DispSyncSource(&mPrimaryDispSync,
-            sfVsyncPhaseOffsetNs, true, "sf");
-    mSFEventThread = new EventThread(sfVsyncSrc);
-    mEventQueue.setEventThread(mSFEventThread);
-
     mEventControlThread = new EventControlThread(this);
     mEventControlThread->run("EventControl", PRIORITY_URGENT_DISPLAY);