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gpu_surface_metal.h
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gpu_surface_metal.h
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// 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_GPU_GPU_SURFACE_METAL_H_
#define FLUTTER_SHELL_GPU_GPU_SURFACE_METAL_H_
#include "flutter/flow/surface.h"
#include "flutter/fml/macros.h"
#include "flutter/shell/gpu/gpu_surface_metal_delegate.h"
#include "third_party/skia/include/gpu/GrDirectContext.h"
#include "third_party/skia/include/gpu/mtl/GrMtlTypes.h"
namespace flutter {
class SK_API_AVAILABLE_CA_METAL_LAYER GPUSurfaceMetal : public Surface {
public:
GPUSurfaceMetal(GPUSurfaceMetalDelegate* delegate,
sk_sp<GrDirectContext> context);
// |Surface|
~GPUSurfaceMetal();
// |Surface|
bool IsValid() override;
private:
const GPUSurfaceMetalDelegate* delegate_;
const MTLRenderTargetType render_target_type_;
GrMTLHandle next_drawable_ = nullptr;
sk_sp<GrDirectContext> context_;
// |Surface|
std::unique_ptr<SurfaceFrame> AcquireFrame(const SkISize& size) override;
// |Surface|
SkMatrix GetRootTransformation() const override;
// |Surface|
GrDirectContext* GetContext() override;
// |Surface|
std::unique_ptr<GLContextResult> MakeRenderContextCurrent() override;
std::unique_ptr<SurfaceFrame> AcquireFrameFromCAMetalLayer(
const SkISize& frame_info);
std::unique_ptr<SurfaceFrame> AcquireFrameFromMTLTexture(
const SkISize& frame_info);
void ReleaseUnusedDrawableIfNecessary();
FML_DISALLOW_COPY_AND_ASSIGN(GPUSurfaceMetal);
};
} // namespace flutter
#endif // FLUTTER_SHELL_GPU_GPU_SURFACE_METAL_H_