source/common/vec/vec-primitives.cpp

   1 /*****************************************************************************
   2  * Copyright (C) 2013 x265 project
   3  *
   4  * Authors: Steve Borho <steve@borho.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
  19  *
  20  * This program is also available under a commercial proprietary license.
  21  * For more information, contact us at license @ x265.com.
  22  *****************************************************************************/
  23
  24 #include "primitives.h"
  25 #include "x265.h"
  26
  27 /* The #if logic here must match the file lists in CMakeLists.txt */
  28 #if X265_ARCH_X86
  29 #if defined(__INTEL_COMPILER)
  30 #define HAVE_SSE3
  31 #define HAVE_SSSE3
  32 #define HAVE_SSE4
  33 #define HAVE_AVX2
  34 #elif defined(__GNUC__)
  35 #if __clang__ || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
  36 #define HAVE_SSE3
  37 #define HAVE_SSSE3
  38 #define HAVE_SSE4
  39 #endif
  40 #if __clang__ || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 7)
  41 #define HAVE_AVX2
  42 #endif
  43 #elif defined(_MSC_VER)
  44 #define HAVE_SSE3
  45 #define HAVE_SSSE3
  46 #define HAVE_SSE4
  47 #if _MSC_VER >= 1700 // VC11
  48 #define HAVE_AVX2
  49 #endif
  50 #endif // compiler checks
  51 #endif // if X265_ARCH_X86
  52
  53 namespace x265 {
  54 // private x265 namespace
  55
  56 void Setup_Vec_DCTPrimitives_sse3(EncoderPrimitives&);
  57 void Setup_Vec_DCTPrimitives_ssse3(EncoderPrimitives&);
  58 void Setup_Vec_DCTPrimitives_sse41(EncoderPrimitives&);
  59
  60 /* Use primitives for the best available vector architecture */
  61 void Setup_Instrinsic_Primitives(EncoderPrimitives &p, int cpuMask)
  62 {
  63 #ifdef HAVE_SSE3
  64     if (cpuMask & X265_CPU_SSE3)
  65     {
  66         Setup_Vec_DCTPrimitives_sse3(p);
  67     }
  68 #endif
  69 #ifdef HAVE_SSSE3
  70     if (cpuMask & X265_CPU_SSSE3)
  71     {
  72         Setup_Vec_DCTPrimitives_ssse3(p);
  73     }
  74 #endif
  75 #ifdef HAVE_SSE4
  76     if (cpuMask & X265_CPU_SSE4)
  77     {
  78         Setup_Vec_DCTPrimitives_sse41(p);
  79     }
  80 #endif
  81     (void)p;
  82     (void)cpuMask;
  83 }
  84 }