| // Copyright 2013 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. |
| |
| #ifndef GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_ |
| #define GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_ |
| |
| #include "base/callback.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/overlay_transform.h" |
| |
| namespace gpu { |
| |
| class ContextSupport { |
| public: |
| // Runs |callback| when a sync point is reached. |
| virtual void SignalSyncPoint(uint32 sync_point, |
| const base::Closure& callback) = 0; |
| |
| // Runs |callback| when a query created via glCreateQueryEXT() has cleared |
| // passed the glEndQueryEXT() point. |
| virtual void SignalQuery(uint32 query, const base::Closure& callback) = 0; |
| |
| // For onscreen contexts, indicates that the surface visibility has changed. |
| // Clients aren't expected to draw to an invisible surface. |
| virtual void SetSurfaceVisible(bool visible) = 0; |
| |
| virtual void Swap() = 0; |
| virtual void PartialSwapBuffers(const gfx::Rect& sub_buffer) = 0; |
| |
| // Schedule a texture to be presented as an overlay synchronously with the |
| // primary surface during the next buffer swap. |
| // This method is not stateful and needs to be re-scheduled every frame. |
| virtual void ScheduleOverlayPlane(int plane_z_order, |
| gfx::OverlayTransform plane_transform, |
| unsigned overlay_texture_id, |
| const gfx::Rect& display_bounds, |
| const gfx::RectF& uv_rect) = 0; |
| |
| virtual uint32 InsertFutureSyncPointCHROMIUM() = 0; |
| virtual void RetireSyncPointCHROMIUM(uint32 sync_point) = 0; |
| |
| protected: |
| ContextSupport() {} |
| virtual ~ContextSupport() {} |
| }; |
| |
| } |
| |
| #endif // GPU_COMMAND_BUFFER_CLIENT_CONTEXT_SUPPORT_H_ |