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8c30238f4f
This CL fixes two bugs: 1) We need to enter the Ganesh context in order to destroy the GrContext. 2) We had a race condition whereby we'd try to upload a frame to a surface that didn't yet exist. This CL fixes that race by adding a state to LayerHost to wait for the surface to be created before trying to upload to it. R=esprehn@chromium.org Review URL: https://codereview.chromium.org/753643002
78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
// Copyright 2014 The Chromium 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 SKY_COMPOSITOR_LAYER_HOST_H_
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#define SKY_COMPOSITOR_LAYER_HOST_H_
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#include "base/memory/ref_counted.h"
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#include "base/memory/scoped_ptr.h"
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#include "mojo/skia/ganesh_context.h"
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#include "sky/compositor/layer_host_client.h"
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#include "sky/compositor/resource_manager.h"
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#include "sky/compositor/surface_holder.h"
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#include "sky/scheduler/scheduler.h"
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namespace sky {
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class ResourceManager;
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class Layer;
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class LayerHostClient;
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class LayerHost : public SurfaceHolder::Client, public Scheduler::Client {
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public:
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explicit LayerHost(LayerHostClient* client);
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~LayerHost();
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LayerHostClient* client() const { return client_; }
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const base::WeakPtr<mojo::GLContext>& gl_context() const {
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return gl_context_;
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}
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mojo::GaneshContext* ganesh_context() const {
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return const_cast<mojo::GaneshContext*>(&ganesh_context_);
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}
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ResourceManager* resource_manager() const {
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return const_cast<ResourceManager*>(&resource_manager_);
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}
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void SetNeedsAnimate();
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void SetRootLayer(scoped_refptr<Layer> layer);
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private:
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enum State {
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kIdle,
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kWaitingForBeginFrame,
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kProducingFrame,
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kWaitingForSurfaceToUploadFrame,
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};
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// SurfaceHolder::Client
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void OnSurfaceIdAvailable(mojo::SurfaceIdPtr surface_id) override;
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void ReturnResources(
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mojo::Array<mojo::ReturnedResourcePtr> resources) override;
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// Scheduler::Client
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void BeginFrame(base::TimeTicks frame_time,
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base::TimeTicks deadline) override;
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void Upload(Layer* layer);
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LayerHostClient* client_;
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State state_;
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SurfaceHolder surface_holder_;
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base::WeakPtr<mojo::GLContext> gl_context_;
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mojo::GaneshContext ganesh_context_;
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ResourceManager resource_manager_;
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Scheduler scheduler_;
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scoped_refptr<Layer> root_layer_;
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DISALLOW_COPY_AND_ASSIGN(LayerHost);
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};
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} // namespace sky
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#endif // SKY_COMPOSITOR_LAYER_HOST_H_
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