ui/gfx/buffer_format_util.cc

   1 // Copyright 2015 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 #include "ui/gfx/buffer_format_util.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace gfx {
  10
  11 size_t NumberOfPlanesForBufferFormat(BufferFormat format) {
  12   switch (format) {
  13     case BufferFormat::ATC:
  14     case BufferFormat::ATCIA:
  15     case BufferFormat::DXT1:
  16     case BufferFormat::DXT5:
  17     case BufferFormat::ETC1:
  18     case BufferFormat::R_8:
  19     case BufferFormat::RGBA_4444:
  20     case BufferFormat::RGBA_8888:
  21     case BufferFormat::BGRX_8888:
  22     case BufferFormat::BGRA_8888:
  23     case BufferFormat::UYVY_422:
  24       return 1;
  25     case BufferFormat::YUV_420:
  26       return 3;
  27   }
  28   NOTREACHED();
  29   return 0;
  30 }
  31
  32 }  // namespace gfx