Split tests into individual files. Got rid of globals by converting them to classes.

client/deps/glbench/src/cleartest.cc

Index: client/deps/glbench/src/cleartest.cc
diff --git a/client/deps/glbench/src/cleartest.cc b/client/deps/glbench/src/cleartest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8ef0491eca58399bf9d51624e99dd6accecd5700
--- /dev/null
+++ b/client/deps/glbench/src/cleartest.cc
@@ -0,0 +1,62 @@
+// 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 "main.h"
+#include "testbase.h"
+
+
+namespace glbench {
+
+
+class ClearTest : public TestBase {
+ public:
+  ClearTest() : mask_(0) {}
+  virtual ~ClearTest() {}
+  virtual bool TestFunc(int iter);
+  virtual bool Run();
+
+ private:
+  GLbitfield mask_;
+  DISALLOW_COPY_AND_ASSIGN(ClearTest);
+};
+
+
+bool ClearTest::TestFunc(int iter) {
+  GLbitfield mask = mask_;
+  glClear(mask);
+  glFlush();  // Kick GPU as soon as possible
+  for (int i = 0 ; i < iter-1; ++i) {
+    glClear(mask);
+  }
+  return true;
+}
+
+
+bool ClearTest::Run() {
+  mask_ = GL_COLOR_BUFFER_BIT;
+  RunTest(this, "mpixels_sec_clear_color", g_width * g_height, true);
+
+  mask_ = GL_DEPTH_BUFFER_BIT;
+  RunTest(this, "mpixels_sec_clear_depth", g_width * g_height, true);
+
+  mask_ = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
+  RunTest(this, "mpixels_sec_clear_colordepth",
+          g_width * g_height, true);
+
+  mask_ = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
+  RunTest(this, "mpixels_sec_clear_depthstencil",
+          g_width * g_height, true);
+
+  mask_ = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
+  RunTest(this, "mpixels_sec_clear_colordepthstencil",
+          g_width * g_height, true);
+  return true;
+}
+
+
+TestBase* GetClearTest() {
+  return new ClearTest;
+}
+
+} // namespace glbench