Fix OpenGL processing when activity is not active.

bug:5624690
Change-Id: I87af684e165a275adb4b765a86a2df2b62137ca0

1 files changed, 6 insertions, 0 deletions

diff --git a/src/com/android/camera/panorama/PanoramaActivity.java b/src/com/android/camera/panorama/PanoramaActivity.java
index a99e7be..bda0381 100755
--- a/src/com/android/camera/panorama/PanoramaActivity.java
+++ b/src/com/android/camera/panorama/PanoramaActivity.java
@@ -492,10 +492,16 @@ public class PanoramaActivity extends ActivityBase implements
         /* This function may be called by some random thread,
          * so let's be safe and use synchronize. No OpenGL calls can be done here.
          */
+        // Frames might still be available after the activity is paused. If we call onFrameAvailable
+        // after pausing, the GL thread will crash.
+        if (mPausing) return;
+
         // Updating the texture should be done in the GL thread which mMosaicView is attached.
         mMosaicView.queueEvent(new Runnable() {
             @Override
             public void run() {
+                // Check if the activity is paused here can speed up the onPause() process.
+                if (mPausing) return;
                 mSurfaceTexture.updateTexImage();
                 mSurfaceTexture.getTransformMatrix(mTransformMatrix);
             }