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

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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.h

• //
  // 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.h: Defines the egl::Error and gl::Error classes which encapsulate API errors
  // and optional error messages.
  
  #ifndef LIBANGLE_ERROR_H_
  #define LIBANGLE_ERROR_H_
  
  #include "angle_gl.h"
  #include <EGL/egl.h>
  
  #include <string>
  
  namespace gl
  {
  
  class Error final
  {
    public:
      explicit inline Error(GLenum errorCode);
      Error(GLenum errorCode, const char *msg, ...);
      inline Error(const Error &other);
      inline Error(Error &&other);
  
      inline ~Error();
  
      inline Error &operator=(const Error &other);
      inline Error &operator=(Error &&other);
  
      inline GLenum getCode() const;
      inline bool isError() const;
  
      const std::string &getMessage() const;
  
    private:
      void createMessageString() const;
  
      GLenum mCode;
      mutable std::string *mMessage;
  };
  
  }
  
  namespace egl
  {
  
  class Error final
  {
    public:
      explicit inline Error(EGLint errorCode);
      Error(EGLint errorCode, const char *msg, ...);
      Error(EGLint errorCode, EGLint id, const char *msg, ...);
      inline Error(const Error &other);
      inline Error(Error &&other);
  
      inline ~Error();
  
      inline Error &operator=(const Error &other);
      inline Error &operator=(Error &&other);
  
      inline EGLint getCode() const;
      inline EGLint getID() const;
      inline bool isError() const;
  
      const std::string &getMessage() const;
  
    private:
      void createMessageString() const;
  
      EGLint mCode;
      EGLint mID;
      mutable std::string *mMessage;
  };
  
  }
  
  #include "Error.inl"
  
  #endif // LIBANGLE_ERROR_H_