1// Copyright 2014 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 UI_OZONE_PLATFORM_DRI_GBM_BUFFER_BASE_H_
6#define UI_OZONE_PLATFORM_DRI_GBM_BUFFER_BASE_H_
7
8#include "ui/ozone/platform/dri/scanout_buffer.h"
9
10struct gbm_bo;
11
12namespace ui {
13
14class DriWrapper;
15
16// Wrapper for a GBM buffer. The base class provides common functionality
17// required to prepare the buffer for scanout. It does not provide any ownership
18// of the buffer. Implementations of this base class should deal with buffer
19// ownership.
20class GbmBufferBase : public ScanoutBuffer {
21 public:
22  gbm_bo* bo() const { return bo_; }
23
24  // ScanoutBuffer:
25  virtual uint32_t GetFramebufferId() const OVERRIDE;
26  virtual uint32_t GetHandle() const OVERRIDE;
27  virtual gfx::Size GetSize() const OVERRIDE;
28
29 protected:
30  GbmBufferBase(DriWrapper* dri, gbm_bo* bo, bool scanout);
31  virtual ~GbmBufferBase();
32
33 private:
34  DriWrapper* dri_;
35  gbm_bo* bo_;
36  uint32_t framebuffer_;
37
38  DISALLOW_COPY_AND_ASSIGN(GbmBufferBase);
39};
40
41}  // namespace ui
42
43#endif  // UI_OZONE_PLATFORM_DRI_GBM_BUFFER_BASE_H_
44