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67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_FLOW_SURFACE_H_
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#define FLUTTER_FLOW_SURFACE_H_
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#include <memory>
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#include "flutter/common/graphics/gl_context_switch.h"
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#include "flutter/flow/embedded_views.h"
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#include "flutter/flow/surface_frame.h"
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#include "flutter/fml/macros.h"
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class GrDirectContext;
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namespace impeller {
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class AiksContext;
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} // namespace impeller
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namespace flutter {
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/// Abstract Base Class that represents where we will be rendering content.
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class Surface {
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public:
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/// A screenshot of the surface's raw data.
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struct SurfaceData {
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std::string pixel_format;
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sk_sp<SkData> data;
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};
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Surface();
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virtual ~Surface();
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virtual bool IsValid() = 0;
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virtual std::unique_ptr<SurfaceFrame> AcquireFrame(const SkISize& size) = 0;
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virtual SkMatrix GetRootTransformation() const = 0;
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virtual GrDirectContext* GetContext() = 0;
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virtual std::unique_ptr<GLContextResult> MakeRenderContextCurrent();
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virtual bool ClearRenderContext();
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virtual bool AllowsDrawingWhenGpuDisabled() const;
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virtual bool EnableRasterCache() const;
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virtual std::shared_ptr<impeller::AiksContext> GetAiksContext() const;
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/// Capture the `SurfaceData` currently present in the surface.
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///
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/// Not guaranteed to work on all setups and not intended to be used in
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/// production. The data field will be null if it was unable to work.
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virtual SurfaceData GetSurfaceData() const;
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private:
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FML_DISALLOW_COPY_AND_ASSIGN(Surface);
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};
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} // namespace flutter
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#endif // FLUTTER_FLOW_SURFACE_H_
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