| // 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. |
| |
| #ifndef FLUTTER_SHELL_COMMON_SURFACE_H_ |
| #define FLUTTER_SHELL_COMMON_SURFACE_H_ |
| |
| #include <memory> |
| |
| #include "flutter/flow/compositor_context.h" |
| #include "flutter/flow/embedded_views.h" |
| #include "flutter/fml/macros.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| |
| namespace flutter { |
| |
| /// Represents a Frame that has been fully configured for the underlying client |
| /// rendering API. A frame may only be submitted once. |
| class SurfaceFrame { |
| public: |
| using SubmitCallback = |
| std::function<bool(const SurfaceFrame& surface_frame, SkCanvas* canvas)>; |
| |
| SurfaceFrame(sk_sp<SkSurface> surface, |
| bool supports_readback, |
| const SubmitCallback& submit_callback); |
| |
| ~SurfaceFrame(); |
| |
| bool Submit(); |
| |
| SkCanvas* SkiaCanvas(); |
| |
| sk_sp<SkSurface> SkiaSurface() const; |
| |
| bool supports_readback() { return supports_readback_; } |
| |
| private: |
| bool submitted_; |
| sk_sp<SkSurface> surface_; |
| bool supports_readback_; |
| SubmitCallback submit_callback_; |
| |
| bool PerformSubmit(); |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(SurfaceFrame); |
| }; |
| |
| /// Abstract Base Class that represents where we will be rendering content. |
| class Surface { |
| public: |
| Surface(); |
| |
| virtual ~Surface(); |
| |
| virtual bool IsValid() = 0; |
| |
| virtual std::unique_ptr<SurfaceFrame> AcquireFrame(const SkISize& size) = 0; |
| |
| virtual SkMatrix GetRootTransformation() const = 0; |
| |
| virtual GrContext* GetContext() = 0; |
| |
| virtual flutter::ExternalViewEmbedder* GetExternalViewEmbedder(); |
| |
| virtual bool MakeRenderContextCurrent(); |
| |
| private: |
| FML_DISALLOW_COPY_AND_ASSIGN(Surface); |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_SHELL_COMMON_SURFACE_H_ |