David Reveman 0cf4809e24
Add Surface::GetContext() support on Fuchsia (#20391)
This improves raster cache control from apps and enables
GPU acceleration for some offscreen workloads that would
fallback to software.

Test: PlatformViewTests.GetGrContextTest

Co-authored-by: David Reveman <reveman@google.com>
2020-08-10 20:51:43 -07:00

52 lines
1.4 KiB
C++

// 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.
#pragma once
#include "flutter/flow/surface.h"
#include "flutter/fml/macros.h"
#include "flutter/fml/memory/weak_ptr.h"
namespace flutter_runner {
// The interface between the Flutter rasterizer and the underlying platform. May
// be constructed on any thread but will be used by the engine only on the
// raster thread.
class Surface final : public flutter::Surface {
public:
Surface(std::string debug_label,
flutter::ExternalViewEmbedder* view_embedder,
GrDirectContext* gr_context);
~Surface() override;
private:
const bool valid_ = CanConnectToDisplay();
const std::string debug_label_;
flutter::ExternalViewEmbedder* view_embedder_;
GrDirectContext* gr_context_;
// |flutter::Surface|
bool IsValid() override;
// |flutter::Surface|
std::unique_ptr<flutter::SurfaceFrame> AcquireFrame(
const SkISize& size) override;
// |flutter::Surface|
GrDirectContext* GetContext() override;
// |flutter::Surface|
SkMatrix GetRootTransformation() const override;
// |flutter::Surface|
flutter::ExternalViewEmbedder* GetExternalViewEmbedder() override;
static bool CanConnectToDisplay();
FML_DISALLOW_COPY_AND_ASSIGN(Surface);
};
} // namespace flutter_runner