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This is part of a larger effort to expose the difference between GrDirectContext, which runs on the GPU thread and can directly perform operations like uploading textures, and GrRecordingContext, which can only queue up work to be delivered to the GrDirectContext later.
56 lines
1.6 KiB
C++
56 lines
1.6 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 =
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std::function<sk_sp<SkImage>(int64_t texture_identifier,
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GrDirectContext*,
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const SkISize&)>;
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EmbedderExternalTextureGL(int64_t texture_identifier,
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const 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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GrDirectContext* context,
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SkFilterQuality filter_quality) 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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