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1c861eb04f
Resolves https://github.com/flutter/flutter/issues/132516. Add `impeller::HostBuffer` wrapper to Flutter GPU. * Allows for lazy batch uploads of sparse host data to the GPU. * Handles platform alignment requirements. * API returns buffer view handles that will be fed to commands.
52 lines
1.4 KiB
C++
52 lines
1.4 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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#pragma once
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#include "dart_api.h"
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#include "flutter/lib/gpu/export.h"
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#include "flutter/lib/ui/dart_wrapper.h"
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#include "impeller/renderer/context.h"
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namespace flutter {
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class Context : public RefCountedDartWrappable<Context> {
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DEFINE_WRAPPERTYPEINFO();
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FML_FRIEND_MAKE_REF_COUNTED(Context);
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public:
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static void SetOverrideContext(std::shared_ptr<impeller::Context> context);
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static std::shared_ptr<impeller::Context> GetDefaultContext();
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explicit Context(std::shared_ptr<impeller::Context> context);
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~Context() override;
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std::shared_ptr<impeller::Context> GetContext();
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private:
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/// An Impeller context that takes precedent over the IO state context when
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/// set. This is used to inject the context when running with the Impeller
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/// playground, which doesn't instantiate an Engine instance.
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static std::shared_ptr<impeller::Context> default_context_;
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std::shared_ptr<impeller::Context> context_;
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FML_DISALLOW_COPY_AND_ASSIGN(Context);
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};
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} // namespace flutter
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//----------------------------------------------------------------------------
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/// Exports
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///
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extern "C" {
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FLUTTER_GPU_EXPORT
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extern Dart_Handle InternalFlutterGpu_Context_InitializeDefault(
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Dart_Handle wrapper);
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} // extern "C"
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