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0d59c9ec54
Texture unregistration is finished on the GPU thread. The FlutterTexture implementation might not know when it is finished which leads to a race condition. Adding this callback so the FlutterTexture is aware of end of the unregistration process.
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_EXTERNAL_TEXTURE_GL_H_
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#define FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_EXTERNAL_TEXTURE_GL_H_
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#include "flutter/flow/texture.h"
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#include "flutter/fml/macros.h"
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#include "third_party/skia/include/core/SkImage.h"
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#include "third_party/skia/include/core/SkSize.h"
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namespace flutter {
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class EmbedderExternalTextureGL : public flutter::Texture {
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public:
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using ExternalTextureCallback = std::function<
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sk_sp<SkImage>(int64_t texture_identifier, GrContext*, const SkISize&)>;
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EmbedderExternalTextureGL(int64_t texture_identifier,
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ExternalTextureCallback callback);
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~EmbedderExternalTextureGL();
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private:
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ExternalTextureCallback external_texture_callback_;
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sk_sp<SkImage> last_image_;
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// |flutter::Texture|
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void Paint(SkCanvas& canvas,
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const SkRect& bounds,
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bool freeze,
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GrContext* context) override;
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// |flutter::Texture|
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void OnGrContextCreated() override;
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// |flutter::Texture|
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void OnGrContextDestroyed() override;
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// |flutter::Texture|
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void MarkNewFrameAvailable() override;
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// |flutter::Texture|
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void OnTextureUnregistered() override;
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FML_DISALLOW_COPY_AND_ASSIGN(EmbedderExternalTextureGL);
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};
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} // namespace flutter
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#endif // FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_EXTERNAL_TEXTURE_GL_H_
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