public void testRefreshRate() throws java.lang.InterruptedException {
boolean fpsOk = false;
GLSurfaceViewStubActivity activity = getActivity();
WindowManager wm =
(WindowManager) activity.getView().getContext().getSystemService(Context.WINDOW_SERVICE);
Display dpy = wm.getDefaultDisplay();
float claimedFps = dpy.getRefreshRate();
for (int i = 0; i < 3; i++) {
float achievedFps = mResult.waitResult();
Log.d(TAG, "claimed " + claimedFps + " fps, " + "achieved " + achievedFps + " fps");
fpsOk = Math.abs(claimedFps - achievedFps) <= FPS_TOLERANCE;
if (fpsOk) {
break;
} else {
// it could be other sctivity like bug report capturing for other failures
// sleep for a while and re-try
Thread.sleep(10000);
mResult.restart();
}
}
activity.finish();
assertTrue(fpsOk);
}
public void onDrawFrame(GL10 gl) {
float t = (float) System.nanoTime() * 1.0e-9f;
switch (mState) {
case STATE_START:
mStartTime = t;
mState = STATE_WARMUP;
break;
case STATE_WARMUP:
if ((t - mStartTime) >= WARMUP_SECONDS) {
mStartTime = t;
mNumFrames = 0;
mState = STATE_TEST;
}
break;
case STATE_TEST:
mNumFrames++;
float elapsed = t - mStartTime;
if (elapsed >= TEST_SECONDS) {
mResult.notifyResult((float) mNumFrames / elapsed);
mState = STATE_DONE;
}
break;
case STATE_DONE:
if (mResult.restartNecessary()) {
mResult.ackRestart();
mState = STATE_START;
Log.d(TAG, "restarting");
}
break;
}
// prevent unwanted optimizations or hidden costs (e.g. reading
// previous frame on tilers).
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClear(gl.GL_COLOR_BUFFER_BIT);
}
