blob: 2678ba95afa791ae852f91efb9d8640b7329771e [file] [log] [blame]
// 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.
#include "base/callback.h"
#include "ui/gfx/overlay_transform.h"
#include "ui/gfx/rect.h"
namespace gpu {
class ContextSupport {
// 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;
ContextSupport() {}
virtual ~ContextSupport() {}