blob: 2b39ba58d1e0a5e63eb41990137924e85080f13d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// Copyright (c) 2012 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 UI_GL_GL_SHARE_GROUP_H_
#define UI_GL_GL_SHARE_GROUP_H_
#pragma once
#include <set>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "ui/gl/gl_export.h"
namespace gfx {
class GLContext;
// A group of GL contexts that share an ID namespace.
class GL_EXPORT GLShareGroup : public base::RefCounted<GLShareGroup> {
public:
GLShareGroup();
// These two should only be called from the constructor and destructor of
// GLContext.
void AddContext(GLContext* context);
void RemoveContext(GLContext* context);
// Returns a handle to any initialized context in the share group or NULL if
// there are no initialized contexts in the share group.
void* GetHandle();
// Returns a pointer to any initialized context in the share group
// or NULL if there are no initialized contexts in the share group.
GLContext* GetContext();
private:
friend class base::RefCounted<GLShareGroup>;
~GLShareGroup();
// References to GLContext are by raw pointer to avoid a reference count
// cycle.
typedef std::set<GLContext*> ContextSet;
ContextSet contexts_;
DISALLOW_COPY_AND_ASSIGN(GLShareGroup);
};
} // namespace gfx
#endif // UI_GL_GL_SHARE_GROUP_H_
|
