Home | History | Annotate | Download | only in unit_test
      1 /*
      2  *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #include <stdlib.h>
     12 #include <string.h>
     13 
     14 #include "libyuv/basic_types.h"
     15 #include "libyuv/cpu_id.h"
     16 #include "libyuv/version.h"
     17 #include "../unit_test/unit_test.h"
     18 
     19 namespace libyuv {
     20 
     21 TEST_F(libyuvTest, TestCpuHas) {
     22   int cpu_flags = TestCpuFlag(~kCpuInitialized);
     23   printf("Cpu Flags %x\n", cpu_flags);
     24   int has_arm = TestCpuFlag(kCpuHasARM);
     25   printf("Has ARM %x\n", has_arm);
     26   int has_neon = TestCpuFlag(kCpuHasNEON);
     27   printf("Has NEON %x\n", has_neon);
     28   int has_x86 = TestCpuFlag(kCpuHasX86);
     29   printf("Has X86 %x\n", has_x86);
     30   int has_sse2 = TestCpuFlag(kCpuHasSSE2);
     31   printf("Has SSE2 %x\n", has_sse2);
     32   int has_ssse3 = TestCpuFlag(kCpuHasSSSE3);
     33   printf("Has SSSE3 %x\n", has_ssse3);
     34   int has_sse41 = TestCpuFlag(kCpuHasSSE41);
     35   printf("Has SSE4.1 %x\n", has_sse41);
     36   int has_sse42 = TestCpuFlag(kCpuHasSSE42);
     37   printf("Has SSE4.2 %x\n", has_sse42);
     38   int has_avx = TestCpuFlag(kCpuHasAVX);
     39   printf("Has AVX %x\n", has_avx);
     40   int has_avx2 = TestCpuFlag(kCpuHasAVX2);
     41   printf("Has AVX2 %x\n", has_avx2);
     42 }
     43 
     44 #if defined(__i386__) || defined(__x86_64__) || \
     45     defined(_M_IX86) || defined(_M_X64)
     46 TEST_F(libyuvTest, TestCpuId) {
     47   int has_x86 = TestCpuFlag(kCpuHasX86);
     48   if (has_x86) {
     49     int cpu_info[4];
     50     // Vendor ID:
     51     // AuthenticAMD AMD processor
     52     // CentaurHauls Centaur processor
     53     // CyrixInstead Cyrix processor
     54     // GenuineIntel Intel processor
     55     // GenuineTMx86 Transmeta processor
     56     // Geode by NSC National Semiconductor processor
     57     // NexGenDriven NexGen processor
     58     // RiseRiseRise Rise Technology processor
     59     // SiS SiS SiS  SiS processor
     60     // UMC UMC UMC  UMC processor
     61     CpuId(cpu_info, 0);
     62     cpu_info[0] = cpu_info[1];  // Reorder output
     63     cpu_info[1] = cpu_info[3];
     64     cpu_info[3] = 0;
     65     printf("Cpu Vendor: %s %x %x %x\n", reinterpret_cast<char*>(&cpu_info[0]),
     66            cpu_info[0], cpu_info[1], cpu_info[2]);
     67     EXPECT_EQ(12, strlen(reinterpret_cast<char*>(&cpu_info[0])));
     68 
     69     // CPU Family and Model
     70     // 3:0 - Stepping
     71     // 7:4 - Model
     72     // 11:8 - Family
     73     // 13:12 - Processor Type
     74     // 19:16 - Extended Model
     75     // 27:20 - Extended Family
     76     CpuId(cpu_info, 1);
     77     int family = ((cpu_info[0] >> 8) & 0x0f) | ((cpu_info[0] >> 16) & 0xff0);
     78     int model = ((cpu_info[0] >> 4) & 0x0f) | ((cpu_info[0] >> 12) & 0xf0);
     79     printf("Cpu Family %d (0x%x), Model %d (0x%x)\n", family, family,
     80            model, model);
     81   }
     82 }
     83 #endif
     84 
     85 TEST_F(libyuvTest, TestLinuxNeon) {
     86   int testdata = ArmCpuCaps("unit_test/testdata/arm_v7.txt");
     87   if (testdata) {
     88     EXPECT_EQ(kCpuInitialized,
     89               ArmCpuCaps("unit_test/testdata/arm_v7.txt"));
     90     EXPECT_EQ((kCpuInitialized | kCpuHasNEON),
     91               ArmCpuCaps("unit_test/testdata/tegra3.txt"));
     92   } else {
     93     printf("WARNING: unable to load \"unit_test/testdata/arm_v7.txt\"\n");
     94   }
     95 #if defined(__linux__) && defined(__ARM_NEON__)
     96   EXPECT_NE(0, ArmCpuCaps("/proc/cpuinfo"));
     97 #endif
     98 }
     99 
    100 }  // namespace libyuv
    101