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// Copyright 2012 The Chromium 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 "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "cc/base/cc_export.h"
#include "cc/output/context_provider.h"
#include "ui/gfx/geometry/rect.h"
namespace gfx {
class Transform;
namespace cc {
class CompositorFrameAck;
struct ManagedMemoryPolicy;
class CC_EXPORT OutputSurfaceClient {
// Called to synchronously re-initialize using the Context3D. Upon returning
// the compositor should be able to draw using GL what was previously
// committed.
virtual void DeferredInitialize() = 0;
// Must call OutputSurface::ReleaseContextProvider inside this call.
virtual void ReleaseGL() = 0;
virtual void CommitVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) = 0;
virtual void SetNeedsRedrawRect(const gfx::Rect& damage_rect) = 0;
virtual void DidSwapBuffers() = 0;
virtual void DidSwapBuffersComplete() = 0;
virtual void ReclaimResources(const CompositorFrameAck* ack) = 0;
virtual void DidLoseOutputSurface() = 0;
virtual void SetExternalDrawConstraints(
const gfx::Transform& transform,
const gfx::Rect& viewport,
const gfx::Rect& clip,
const gfx::Rect& viewport_rect_for_tile_priority,
const gfx::Transform& transform_for_tile_priority,
bool resourceless_software_draw) = 0;
virtual void SetMemoryPolicy(const ManagedMemoryPolicy& policy) = 0;
// If set, |callback| will be called subsequent to each new tree activation,
// regardless of the compositor visibility or damage. |callback| must remain
// valid for the lifetime of the OutputSurfaceClient or until unregisted --
// use SetTreeActivationCallback(base::Closure()) to unregister it.
virtual void SetTreeActivationCallback(const base::Closure& callback) = 0;
virtual ~OutputSurfaceClient() {}
} // namespace cc