Abort surface composition if hw surface is invalid

If an invalid display device is detected during surface composition (e.g., a simulated secondary display is removed), abort the composition. Change-Id: Ia6afb2e287882d8ae0614eb25463d3f85b687adf
AOKP · Jun 1, 2013 · fffab2e · fffab2e
1 parent 046e402
commit fffab2e
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1542,7 +1542,11 @@ void SurfaceFlinger::doComposeSurfaces(const sp<const DisplayDevice>& hw, const
 
     const bool hasGlesComposition = hwc.hasGlesComposition(id) || (cur==end);
     if (hasGlesComposition) {
-        DisplayDevice::makeCurrent(mEGLDisplay, hw, mEGLContext);
+        if (!DisplayDevice::makeCurrent(mEGLDisplay, hw, mEGLContext)) {
+            ALOGW("DisplayDevice::makeCurrent failed. Aborting surface composition for display %s",
+                  hw->getDisplayName().string());
+            return;
+        }
 
         // set the frame buffer
         glMatrixMode(GL_MODELVIEW);