Implement EXT_disjoint_timer_query_webgl2

third_party/WebKit/Source/modules/webgl/EXTDisjointTimerQueryWebGL2.h

+// Copyright 2016 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.
+
+#ifndef EXTDisjointTimerQueryWebGL2_h
+#define EXTDisjointTimerQueryWebGL2_h
+
+#include "bindings/core/v8/ScriptValue.h"
+#include "modules/webgl/WebGLExtension.h"
+#include "modules/webgl/WebGLQuery.h"
+#include "wtf/HashMap.h"
+
+namespace blink {
+
+class WebGLRenderingContextBase;
+class WebGLQuery;
+
+class EXTDisjointTimerQueryWebGL2 final : public WebGLExtension {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  static EXTDisjointTimerQueryWebGL2* create(WebGLRenderingContextBase*);
+  static bool supported(WebGLRenderingContextBase*);
+  static const char* extensionName();
+
+  ~EXTDisjointTimerQueryWebGL2() override;
+  WebGLExtensionName name() const override;
+
+  void queryCounterEXT(WebGLQuery*, GLenum);
+
+  DECLARE_VIRTUAL_TRACE();
+
+ private:
+  explicit EXTDisjointTimerQueryWebGL2(WebGLRenderingContextBase*);
+};
+
+}  // namespace blink
+
+#endif  // EXTDisjointTimerQueryWebGL2_h