am e3449553: Merge change I49c9a3a3 into eclair

Merge commit 'e344955393133ac2f99f06cc6a4fe97fbf76f62e' into eclair-plus-aosp

* commit 'e344955393133ac2f99f06cc6a4fe97fbf76f62e':
  Fix bug 2325244	screen turns black for a brief period of time

1 files changed, 29 insertions, 0 deletions

diff --git a/opengl/java/android/opengl/GLSurfaceView.java b/opengl/java/android/opengl/GLSurfaceView.java
index fb3747c..016df94 100644
--- a/opengl/java/android/opengl/GLSurfaceView.java
+++ b/opengl/java/android/opengl/GLSurfaceView.java
@@ -999,6 +999,8 @@ public class GLSurfaceView extends SurfaceView implements SurfaceHolder.Callback
                 GL10 gl = null;
                 boolean createEglSurface = false;
                 boolean sizeChanged = false;
+                boolean wantRenderNotification = false;
+                boolean doRenderNotification = false;
                 int w = 0;
                 int h = 0;
                 Runnable event = null;
@@ -1044,6 +1046,13 @@ public class GLSurfaceView extends SurfaceView implements SurfaceHolder.Callback
                                 sGLThreadManager.notifyAll();
                             }
 
+                            if (doRenderNotification) {
+                                wantRenderNotification = false;
+                                doRenderNotification = false;
+                                mRenderComplete = true;
+                                sGLThreadManager.notifyAll();
+                            }
+
                             // Ready to draw?
                             if ((!mPaused) && mHasSurface
                                 && (mWidth > 0) && (mHeight > 0)
@@ -1063,6 +1072,8 @@ public class GLSurfaceView extends SurfaceView implements SurfaceHolder.Callback
                                         sizeChanged = true;
                                         w = mWidth;
                                         h = mHeight;
+                                        wantRenderNotification = true;
+
                                         if (DRAW_TWICE_AFTER_SIZE_CHANGED) {
                                             // We keep mRequestRender true so that we draw twice after the size changes.
                                             // (Once because of mSizeChanged, the second time because of mRequestRender.)
@@ -1119,6 +1130,10 @@ public class GLSurfaceView extends SurfaceView implements SurfaceHolder.Callback
                             Log.i("GLThread", "egl surface lost tid=" + getId());
                         }
                     }
+
+                    if (wantRenderNotification) {
+                        doRenderNotification = true;
+                    }
                 }
             } finally {
                 /*
@@ -1201,7 +1216,20 @@ public class GLSurfaceView extends SurfaceView implements SurfaceHolder.Callback
                 mHeight = h;
                 mSizeChanged = true;
                 mRequestRender = true;
+                mRenderComplete = false;
                 sGLThreadManager.notifyAll();
+
+                // Wait for thread to react to resize and render a frame
+                while (! mExited && !mPaused && !mRenderComplete ) {
+                    if (LOG_SURFACE) {
+                        Log.i("Main thread", "onWindowResize waiting for render complete.");
+                    }
+                    try {
+                        sGLThreadManager.wait();
+                    } catch (InterruptedException ex) {
+                        Thread.currentThread().interrupt();
+                    }
+                }
             }
         }
 
@@ -1247,6 +1275,7 @@ public class GLSurfaceView extends SurfaceView implements SurfaceHolder.Callback
         private int mHeight;
         private int mRenderMode;
         private boolean mRequestRender;
+        private boolean mRenderComplete;
         private ArrayList<Runnable> mEventQueue = new ArrayList<Runnable>();
         // End of member variables protected by the sGLThreadManager monitor.