1// Copyright (c) 2012 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 CHROME_GPU_X_UTIL_H_
6#define CHROME_GPU_X_UTIL_H_
7
8// Some X-Windows specific stuff. This can be included on any platform, and will
9// be a NOP on non-Linux ones.
10
11#include "build/build_config.h"
12#include "content/common/gpu/gpu_config.h"
13
14#if defined(USE_X11)
15
16namespace content {
17
18// Forward declares ------------------------------------------------------------
19//
20// X Windows headers do a lot of evil stuff, like "#define Status int" which
21// will cause many problems when combined with our other header files (like
22// ones that define a class local enum called "Status."
23//
24// These definitions are not Kosher, but allow us to remove this dependency and
25// actually compile X at all.
26
27typedef unsigned long XID;
28
29extern "C" {
30
31typedef struct _XDisplay Display;
32typedef struct __GLXcontextRec *GLXContext;
33
34}  // extern "C"
35
36// Utils -----------------------------------------------------------------------
37
38// scoped_ptr functor for XFree(). Use as follows:
39//   scoped_ptr_mallox<XVisualInfo, ScopedPtrXFree> foo(...);
40// where "XVisualInfo" is any X type that is freed with XFree.
41class ScopedPtrXFree {
42 public:
43  void operator()(void* x) const;
44};
45
46}  // namespace content
47
48#endif  // USE_X11
49
50#endif  // CHROME_GPU_X_UTIL_H_
51