| // 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, |
| bool render_to_surface = true); |
| |
| // |Surface| |
| ~GPUSurfaceMetal(); |
| |
| // |Surface| |
| bool IsValid() override; |
| |
| private: |
| const GPUSurfaceMetalDelegate* delegate_; |
| const MTLRenderTargetType render_target_type_; |
| GrMTLHandle next_drawable_ = nullptr; |
| sk_sp<GrDirectContext> context_; |
| GrDirectContext* precompiled_sksl_context_ = nullptr; |
| // TODO(38466): Refactor GPU surface APIs take into account the fact that an |
| // external view embedder may want to render to the root surface. This is a |
| // hack to make avoid allocating resources for the root surface when an |
| // external view embedder is present. |
| bool render_to_surface_; |
| |
| // |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(); |
| |
| void PrecompileKnownSkSLsIfNecessary(); |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(GPUSurfaceMetal); |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_SHELL_GPU_GPU_SURFACE_METAL_H_ |