Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / gpu / command_buffer / client / context_support.h
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.
4
5 #ifndef GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_
6 #define GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_
7
8 #include "base/callback.h"
9 #include "ui/gfx/overlay_transform.h"
10 #include "ui/gfx/rect.h"
11
12 namespace gpu {
13 struct ManagedMemoryStats;
14
15 class ContextSupport {
16  public:
17   // Runs |callback| when a sync point is reached.
18   virtual void SignalSyncPoint(uint32 sync_point,
19                                const base::Closure& callback) = 0;
20
21   // Runs |callback| when a query created via glCreateQueryEXT() has cleared
22   // passed the glEndQueryEXT() point.
23   virtual void SignalQuery(uint32 query, const base::Closure& callback) = 0;
24
25   // For onscreen contexts, indicates that the surface visibility has changed.
26   // Clients aren't expected to draw to an invisible surface.
27   virtual void SetSurfaceVisible(bool visible) = 0;
28
29   virtual void SendManagedMemoryStats(const ManagedMemoryStats& stats) = 0;
30
31   virtual void Swap() = 0;
32   virtual void PartialSwapBuffers(const gfx::Rect& sub_buffer) = 0;
33
34   virtual void SetSwapBuffersCompleteCallback(
35       const base::Closure& callback) = 0;
36
37   // Schedule a texture to be presented as an overlay synchronously with the
38   // primary surface during the next buffer swap.
39   // This method is not stateful and needs to be re-scheduled every frame.
40   virtual void ScheduleOverlayPlane(int plane_z_order,
41                                     gfx::OverlayTransform plane_transform,
42                                     unsigned overlay_texture_id,
43                                     const gfx::Rect& display_bounds,
44                                     const gfx::RectF& uv_rect) = 0;
45
46  protected:
47   ContextSupport() {}
48   virtual ~ContextSupport() {}
49 };
50
51 }
52
53 #endif  // GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_