kc3-lang/angle/src/image_util/copyimage.cpp

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• Author : Geoff Lang
  Date : 2016-06-13 15:06:31
  Hash : 6e4cfceb
  Message : Refactor ANGLE's image manipulation code into a static library. Allows for chromium to make use of some of the functionality. BUG=612205 Change-Id: Ib4435ca44775a3a554b0fb3bd384bd4d31d7952d Reviewed-on: https://chromium-review.googlesource.com/351753 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>

• src/image_util/copyimage.cpp

• //
  // Copyright (c) 2013 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.
  //
  
  // copyimage.cpp: Defines image copying functions
  
  #include "image_util/copyimage.h"
  
  namespace angle
  {
  
  void CopyBGRA8ToRGBA8(const uint8_t *source, uint8_t *dest)
  {
      uint32_t argb                       = *reinterpret_cast<const uint32_t *>(source);
      *reinterpret_cast<uint32_t *>(dest) = (argb & 0xFF00FF00) |        // Keep alpha and green
                                            (argb & 0x00FF0000) >> 16 |  // Move red to blue
                                            (argb & 0x000000FF) << 16;   // Move blue to red
  }
  
  }  // namespace angle