1 files changed, 36 insertions, 0 deletions
diff --git a/ui/gl/scoped_make_current.cc b/ui/gl/scoped_make_current.cc
new file mode 100644
index 0000000..54dac6d
--- /dev/null
+++ b/ui/gl/scoped_make_current.cc
@@ -0,0 +1,36 @@
+// Copyright (c) 2012 The Chromium 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 "ui/gl/scoped_make_current.h"
+
+#include "base/logging.h"
+
+namespace gfx {
+
+ScopedMakeCurrent::ScopedMakeCurrent(GLContext* context, GLSurface* surface)
+    : previous_context_(GLContext::GetCurrent())
+    , previous_surface_(GLSurface::GetCurrent())
+    , context_(context)
+    , surface_(surface)
+    , succeeded_(false) {
+  DCHECK(context);
+  DCHECK(surface);
+  succeeded_ = context->MakeCurrent(surface);
+}
+
+ScopedMakeCurrent::~ScopedMakeCurrent() {
+  if (previous_context_.get()) {
+    DCHECK(previous_surface_.get());
+    previous_context_->MakeCurrent(previous_surface_.get());
+  } else {
+    context_->ReleaseCurrent(surface_.get());
+  }
+}
+
+bool ScopedMakeCurrent::Succeeded() {
+  return succeeded_;
+}
+
+}  // namespace gfx
+