import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/canvas/WebGL1Context.cpp

@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "WebGL1Context.h"
+
+#include "mozilla/dom/WebGLRenderingContextBinding.h"
+#include "mozilla/Telemetry.h"
+#include "WebGLFormats.h"
+
+namespace mozilla {
+
+/*static*/ WebGL1Context*
+WebGL1Context::Create()
+{
+    return new WebGL1Context();
+}
+
+WebGL1Context::WebGL1Context()
+    : WebGLContext()
+{
+}
+
+WebGL1Context::~WebGL1Context()
+{
+}
+
+UniquePtr<webgl::FormatUsageAuthority>
+WebGL1Context::CreateFormatUsage(gl::GLContext* gl) const
+{
+    return webgl::FormatUsageAuthority::CreateForWebGL1(gl);
+}
+
+JSObject*
+WebGL1Context::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto)
+{
+    return dom::WebGLRenderingContextBinding::Wrap(cx, this, givenProto);
+}
+
+} // namespace mozilla
+
+nsresult
+NS_NewCanvasRenderingContextWebGL(nsIDOMWebGLRenderingContext** out_result)
+{
+    mozilla::Telemetry::Accumulate(mozilla::Telemetry::CANVAS_WEBGL_USED, 1);
+
+    nsIDOMWebGLRenderingContext* ctx = mozilla::WebGL1Context::Create();
+
+    NS_ADDREF(*out_result = ctx);
+    return NS_OK;
+}