|  | // Copyright 2013 The Flutter 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 "flutter/flow/surface.h" | 
|  |  | 
|  | namespace flutter { | 
|  |  | 
|  | Surface::Surface() = default; | 
|  |  | 
|  | Surface::~Surface() = default; | 
|  |  | 
|  | std::unique_ptr<GLContextResult> Surface::MakeRenderContextCurrent() { | 
|  | return std::make_unique<GLContextDefaultResult>(true); | 
|  | } | 
|  |  | 
|  | bool Surface::ClearRenderContext() { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | bool Surface::AllowsDrawingWhenGpuDisabled() const { | 
|  | return true; | 
|  | } | 
|  |  | 
|  | bool Surface::EnableRasterCache() const { | 
|  | return true; | 
|  | } | 
|  |  | 
|  | std::shared_ptr<impeller::AiksContext> Surface::GetAiksContext() const { | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | Surface::SurfaceData Surface::GetSurfaceData() const { | 
|  | return {}; | 
|  | } | 
|  |  | 
|  | }  // namespace flutter |