content/common/gpu/x_util.h

   1 // Copyright (c) 2011 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 #pragma once
   8
   9 // Some X-Windows specific stuff. This can be included on any platform, and will
  10 // be a NOP on non-Linux ones.
  11
  12 #include "build/build_config.h"
  13 #include "content/common/gpu/gpu_config.h"
  14
  15 #if defined(USE_X11)
  16
  17 // Forward declares ------------------------------------------------------------
  18 //
  19 // X Windows headers do a lot of evil stuff, like "#define Status int" which
  20 // will cause many problems when combined with our other header files (like
  21 // ones that define a class local enum called "Status."
  22 //
  23 // These definitions are not Kosher, but allow us to remove this dependency and
  24 // actually compile X at all.
  25
  26 typedef unsigned long XID;
  27
  28 extern "C" {
  29
  30 typedef struct _XDisplay Display;
  31 typedef struct __GLXcontextRec *GLXContext;
  32
  33 }  // extern "C"
  34
  35 // Utils -----------------------------------------------------------------------
  36
  37 // scoped_ptr functor for XFree(). Use as follows:
  38 //   scoped_ptr_mallox<XVisualInfo, ScopedPtrXFree> foo(...);
  39 // where "XVisualInfo" is any X type that is freed with XFree.
  40 class ScopedPtrXFree {
  41  public:
  42   void operator()(void* x) const;
  43 };
  44
  45 #endif  // USE_X11
  46
  47 #endif  // CHROME_GPU_X_UTIL_H_