content/common/gpu/x_util.h

   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
  16 namespace 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
  27 typedef unsigned long XID;
  28
  29 extern "C" {
  30
  31 typedef struct _XDisplay Display;
  32 typedef 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.
  41 class 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_