blob: c50529fda755370ff3c6977f5db304353ee762b7 [file] [log] [blame]
// 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.
#include <memory>
#include "flutter/flow/skia_gpu_object.h"
#include "flutter/fml/macros.h"
#include "flutter/fml/memory/weak_ptr.h"
#include "flutter/lib/ui/io_manager.h"
#include "third_party/skia/include/gpu/GrContext.h"
namespace flutter {
class ShellIOManager final : public IOManager {
// Convenience methods for platforms to create a GrContext used to supply to
// the IOManager. The platforms may create the context themselves if they so
// desire.
static sk_sp<GrContext> CreateCompatibleResourceLoadingContext(
GrBackend backend,
sk_sp<const GrGLInterface> gl_interface);
ShellIOManager(sk_sp<GrContext> resource_context,
std::shared_ptr<fml::SyncSwitch> is_gpu_disabled_sync_switch,
fml::RefPtr<fml::TaskRunner> unref_queue_task_runner);
~ShellIOManager() override;
// This method should be called when a resource_context first becomes
// available. It is safe to call multiple times, and will only update
// the held resource context if it has not already been set.
void NotifyResourceContextAvailable(sk_sp<GrContext> resource_context);
// This method should be called if you want to force the IOManager to
// update its resource context reference. It should not be called
// if there are any Dart objects that have a reference to the old
// resource context, but may be called if the Dart VM is restarted.
void UpdateResourceContext(sk_sp<GrContext> resource_context);
fml::WeakPtr<ShellIOManager> GetWeakPtr();
// |IOManager|
fml::WeakPtr<IOManager> GetWeakIOManager() const override;
// |IOManager|
fml::WeakPtr<GrContext> GetResourceContext() const override;
// |IOManager|
fml::RefPtr<flutter::SkiaUnrefQueue> GetSkiaUnrefQueue() const override;
// |IOManager|
std::shared_ptr<fml::SyncSwitch> GetIsGpuDisabledSyncSwitch() override;
// Resource context management.
sk_sp<GrContext> resource_context_;
// Unref queue management.
fml::RefPtr<flutter::SkiaUnrefQueue> unref_queue_;
fml::WeakPtrFactory<ShellIOManager> weak_factory_;
std::shared_ptr<fml::SyncSwitch> is_gpu_disabled_sync_switch_;
} // namespace flutter