Updade Surface (ANativeWindow) format based on its buffers format

this is to allow applications to change the format of a surface's
buffer, and have it reflected in EGL; which is needed for
EGLConfig validation.

Change-Id: Iee074c30ad765881e2409c1d37450b05e561c44d

1 files changed, 11 insertions, 0 deletions

diff --git a/libs/surfaceflinger_client/Surface.cpp b/libs/surfaceflinger_client/Surface.cpp
index d44aab9..854a3c6 100644
--- a/libs/surfaceflinger_client/Surface.cpp
+++ b/libs/surfaceflinger_client/Surface.cpp
@@ -866,7 +866,18 @@ int Surface::setBuffersGeometry(int w, int h, int format)
         return BAD_VALUE;
 
     Mutex::Autolock _l(mSurfaceLock);
+    if (mConnected == NATIVE_WINDOW_API_EGL) {
+        return INVALID_OPERATION;
+    }
+
     mBufferInfo.set(w, h, format);
+    if (format != 0) {
+        // we update the format of the surface as reported by query().
+        // this is to allow applications to change the format of a surface's
+        // buffer, and have it reflected in EGL; which is needed for
+        // EGLConfig validation.
+        mFormat = format;
+    }
     return NO_ERROR;
 }