| // 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_IOS_EXTERNAL_TEXTURE_GL_H_ |
| #define FLUTTER_SHELL_PLATFORM_IOS_EXTERNAL_TEXTURE_GL_H_ |
| |
| #include "flutter/common/graphics/texture.h" |
| #include "flutter/fml/platform/darwin/cf_utils.h" |
| #include "flutter/fml/platform/darwin/scoped_nsobject.h" |
| #import "flutter/shell/platform/darwin/common/framework/Headers/FlutterTexture.h" |
| |
| namespace flutter { |
| |
| class IOSExternalTextureGL final : public Texture { |
| public: |
| IOSExternalTextureGL(int64_t textureId, NSObject<FlutterTexture>* externalTexture); |
| |
| // |Texture| |
| ~IOSExternalTextureGL() override; |
| |
| private: |
| bool new_frame_ready_ = false; |
| fml::scoped_nsobject<NSObject<FlutterTexture>> external_texture_; |
| fml::CFRef<CVOpenGLESTextureCacheRef> cache_ref_; |
| fml::CFRef<CVOpenGLESTextureRef> texture_ref_; |
| fml::CFRef<CVPixelBufferRef> buffer_ref_; |
| OSType pixel_format_ = 0; |
| fml::CFRef<CVOpenGLESTextureRef> y_texture_ref_; |
| fml::CFRef<CVOpenGLESTextureRef> uv_texture_ref_; |
| |
| // |Texture| |
| void Paint(SkCanvas& canvas, |
| const SkRect& bounds, |
| bool freeze, |
| GrDirectContext* context, |
| const SkSamplingOptions& sampling) override; |
| |
| // |Texture| |
| void OnGrContextCreated() override; |
| |
| // |Texture| |
| void OnGrContextDestroyed() override; |
| |
| // |Texture| |
| void MarkNewFrameAvailable() override; |
| |
| // |Texture| |
| void OnTextureUnregistered() override; |
| |
| void CreateTextureFromPixelBuffer(); |
| |
| void EnsureTextureCacheExists(); |
| |
| bool NeedUpdateTexture(bool freeze); |
| |
| bool IsTexturesAvailable() const; |
| |
| void CreateYUVTexturesFromPixelBuffer(); |
| |
| void CreateRGBATextureFromPixelBuffer(); |
| |
| sk_sp<SkImage> CreateImageFromYUVTextures(GrDirectContext* context, const SkRect& bounds); |
| |
| sk_sp<SkImage> CreateImageFromRGBATexture(GrDirectContext* context, const SkRect& bounds); |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(IOSExternalTextureGL); |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_SHELL_PLATFORM_IOS_EXTERNAL_TEXTURE_GL_H_ |