| // 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_PLATFORM_DARWIN_IOS_IOS_EXTERNAL_TEXTURE_METAL_H_ |
| #define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_EXTERNAL_TEXTURE_METAL_H_ |
| |
| #include <atomic> |
| |
| #import <CoreVideo/CoreVideo.h> |
| |
| #include "flutter/flow/texture.h" |
| #include "flutter/fml/macros.h" |
| #include "flutter/fml/platform/darwin/cf_utils.h" |
| #include "flutter/fml/platform/darwin/scoped_nsobject.h" |
| #include "flutter/shell/platform/darwin/common/framework/Headers/FlutterTexture.h" |
| #include "third_party/skia/include/core/SkImage.h" |
| |
| namespace flutter { |
| |
| class IOSExternalTextureMetal final : public Texture { |
| public: |
| IOSExternalTextureMetal(int64_t texture_id, |
| fml::CFRef<CVMetalTextureCacheRef> texture_cache, |
| fml::scoped_nsobject<NSObject<FlutterTexture>> external_texture); |
| |
| // |Texture| |
| ~IOSExternalTextureMetal(); |
| |
| private: |
| fml::CFRef<CVMetalTextureCacheRef> texture_cache_; |
| fml::scoped_nsobject<NSObject<FlutterTexture>> external_texture_; |
| std::atomic_bool texture_frame_available_; |
| fml::CFRef<CVPixelBufferRef> last_pixel_buffer_; |
| sk_sp<SkImage> external_image_; |
| |
| // |Texture| |
| void Paint(SkCanvas& canvas, const SkRect& bounds, bool freeze, GrContext* context) override; |
| |
| // |Texture| |
| void OnGrContextCreated() override; |
| |
| // |Texture| |
| void OnGrContextDestroyed() override; |
| |
| // |Texture| |
| void MarkNewFrameAvailable() override; |
| |
| // |Texture| |
| void OnTextureUnregistered() override; |
| |
| sk_sp<SkImage> WrapExternalPixelBuffer(fml::CFRef<CVPixelBufferRef> pixel_buffer, |
| GrContext* context) const; |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(IOSExternalTextureMetal); |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_EXTERNAL_TEXTURE_METAL_H_ |