Added tearing tests for plain texture updates and bind pixmap to texture.

client/deps/glbench/src/teartest.h

+// 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.
+
+#ifndef BENCH_GL_TEARTEST_H_
+#define BENCH_GL_TEARTEST_H_
+
+#include <X11/Xlib.h>
+
+enum TestState {
+  TestStart,
+  TestLoop,
+  TestStop
+};
+
+typedef bool (*Test)(TestState state, int arg);
+
+void InitializePixmap();
+void UpdatePixmap(int i);
+void CopyPixmapToTexture();
+
+// TODO: implement EGL counterpart.
+void InitNative(Pixmap pixmap);
+bool UpdateBindTexImage(TestState state, int arg);
+
+#endif // BENCH_GL_TEARTEST_H_