1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_
6 #define GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_
8 #include "base/callback.h"
9 #include "ui/gfx/rect.h"
12 struct ManagedMemoryStats;
14 class ContextSupport {
16 // Runs |callback| when a sync point is reached.
17 virtual void SignalSyncPoint(uint32 sync_point,
18 const base::Closure& callback) = 0;
20 // Runs |callback| when a query created via glCreateQueryEXT() has cleared
21 // passed the glEndQueryEXT() point.
22 virtual void SignalQuery(uint32 query, const base::Closure& callback) = 0;
24 // For onscreen contexts, indicates that the surface visibility has changed.
25 // Clients aren't expected to draw to an invisible surface.
26 virtual void SetSurfaceVisible(bool visible) = 0;
28 virtual void SendManagedMemoryStats(const ManagedMemoryStats& stats) = 0;
30 virtual void Swap() = 0;
31 virtual void PartialSwapBuffers(const gfx::Rect& sub_buffer) = 0;
33 virtual void SetSwapBuffersCompleteCallback(
34 const base::Closure& callback) = 0;
38 virtual ~ContextSupport() {}
43 #endif // GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_