vp8/encoder/x86/quantize_x86.h

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license and patent
   5  *  grant that can be found in the LICENSE file in the root of the source
   6  *  tree. All contributing project authors may be found in the AUTHORS
   7  *  file in the root of the source tree.
   8  */
   9
  10 #ifndef QUANTIZE_X86_H
  11 #define QUANTIZE_X86_H
  12
  13
  14 /* Note:
  15  *
  16  * This platform is commonly built for runtime CPU detection. If you modify
  17  * any of the function mappings present in this file, be sure to also update
  18  * them in the function pointer initialization code
  19  */
  20 #if HAVE_MMX
  21
  22 #endif
  23
  24
  25 #if HAVE_SSE2
  26 extern prototype_quantize_block(vp8_regular_quantize_b_sse2);
  27
  28 #if !CONFIG_RUNTIME_CPU_DETECT
  29
  30 // Currently, this function realizes a gain on x86 and a loss on x86_64
  31 #if ARCH_X86
  32 #undef vp8_quantize_quantb
  33 #define vp8_quantize_quantb vp8_regular_quantize_b_sse2
  34 #endif
  35
  36 #endif
  37
  38 #endif
  39
  40
  41 #endif