kc3-lang/angle/src/libANGLE/Error.cpp

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• Author : Geoff Lang
  Date : 2015-03-25 12:25:01
  Hash : 45795dbe
  Message : Inline commonly used Error methods and add move operators. The function call overhead of the constructors and assignement operators ended up being a hotspot even though the functions didn't do any significant work. BUG=angleproject:959 Change-Id: I96769879dabdbba7a222f98d87c5be0a829cb7dd Reviewed-on: https://chromium-review.googlesource.com/262335 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Nicolas Capens <capn@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/Error.cpp

• //
  // Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // Error.cpp: Implements the egl::Error and gl::Error classes which encapsulate API errors
  // and optional error messages.
  
  #include "libANGLE/Error.h"
  
  #include "common/angleutils.h"
  
  #include <cstdarg>
  
  namespace gl
  {
  
  Error::Error(GLenum errorCode, const char *msg, ...)
      : mCode(errorCode),
        mMessage(nullptr)
  {
      va_list vararg;
      va_start(vararg, msg);
      createMessageString();
      *mMessage = FormatString(msg, vararg);
      va_end(vararg);
  }
  
  void Error::createMessageString() const
  {
      if (mMessage == nullptr)
      {
          mMessage = new std::string();
      }
  }
  
  const std::string &Error::getMessage() const
  {
      createMessageString();
      return *mMessage;
  }
  
  }
  
  namespace egl
  {
  
  Error::Error(EGLint errorCode, const char *msg, ...)
      : mCode(errorCode),
        mID(0),
        mMessage(nullptr)
  {
      va_list vararg;
      va_start(vararg, msg);
      createMessageString();
      *mMessage = FormatString(msg, vararg);
      va_end(vararg);
  }
  
  Error::Error(EGLint errorCode, EGLint id, const char *msg, ...)
      : mCode(errorCode),
        mID(id),
        mMessage(nullptr)
  {
      va_list vararg;
      va_start(vararg, msg);
      createMessageString();
      *mMessage = FormatString(msg, vararg);
      va_end(vararg);
  }
  void Error::createMessageString() const
  {
      if (mMessage == nullptr)
      {
          mMessage = new std::string();
      }
  }
  
  const std::string &Error::getMessage() const
  {
      createMessageString();
      return *mMessage;
  }
  
  }