Added texture update test.

client/deps/glbench/src/testbase.cc

 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdio.h>
 
 #include "testbase.h"
 
 namespace glbench {
 
 uint64_t TimeTest(TestBase* test, int iter) {
   SwapBuffers();
   glFinish();
   uint64_t time1 = GetUTime();
-  test->TestFunc(iter);
+  if (!test->TestFunc(iter))
+    return ~0;
   glFinish();
   uint64_t time2 = GetUTime();
   return time2 - time1;
 }
 
 #define MAX_ITERATION_DURATION_MS 100000
 
 // Benchmark some draw commands, by running it many times.
 // We want to measure the marginal cost, so we try more and more iterations
 // until we get a somewhat linear response (to eliminate constant cost), and we
@@ skipping 106 matching lines @@
 bool DrawElementsTestFunc::TestFunc(int iter) {
   glDrawElements(GL_TRIANGLES, count_, GL_UNSIGNED_INT, 0);
   glFlush();
   for (int i = 0 ; i < iter-1; ++i) {
     glDrawElements(GL_TRIANGLES, count_, GL_UNSIGNED_INT, 0);
   }
   return true;
 }
 
 } // namespace glbench