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/overlay_transform.h"
10 #include "ui/gfx/rect.h"
13 struct ManagedMemoryStats;
15 class ContextSupport {
17 // Runs |callback| when a sync point is reached.
18 virtual void SignalSyncPoint(uint32 sync_point,
19 const base::Closure& callback) = 0;
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;
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;
29 virtual void SendManagedMemoryStats(const ManagedMemoryStats& stats) = 0;
31 virtual void Swap() = 0;
32 virtual void PartialSwapBuffers(const gfx::Rect& sub_buffer) = 0;
34 virtual void SetSwapBuffersCompleteCallback(
35 const base::Closure& callback) = 0;
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;
48 virtual ~ContextSupport() {}
53 #endif // GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_