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      1 /**************************************************************************
      2  *
      3  * Copyright  2010 Luca Barbieri
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining a
      6  * copy of this software and associated documentation files (the "Software"),
      7  * to deal in the Software without restriction, including without limitation
      8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      9  * and/or sell copies of the Software, and to permit persons to whom the
     10  * Software is furnished to do so, subject to the following conditions:
     11  *
     12  * The above copyright notice and this permission notice (including the next
     13  * paragraph) shall be included in all copies or substantial portions of the
     14  * Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     22  * DEALINGS IN THE SOFTWARE.
     23  *
     24  **************************************************************************/
     25 
     26 #include <stdio.h>
     27 #include "translate/translate.h"
     28 #include "util/u_memory.h"
     29 #include "util/u_format.h"
     30 #include "util/u_half.h"
     31 #include "util/u_cpu_detect.h"
     32 #include "rtasm/rtasm_cpu.h"
     33 
     34 /* don't use this for serious use */
     35 static double rand_double()
     36 {
     37    const double rm = (double)RAND_MAX + 1;
     38    double div = 1;
     39    double v = 0;
     40    unsigned i;
     41    for(i = 0; i < 4; ++i)
     42    {
     43       div *= rm;
     44       v += (double)rand() / div;
     45    }
     46    return v;
     47 }
     48 
     49 int main(int argc, char** argv)
     50 {
     51    struct translate *(*create_fn)(const struct translate_key *key) = 0;
     52 
     53    struct translate_key key;
     54    unsigned output_format;
     55    unsigned input_format;
     56    unsigned buffer_size = 4096;
     57    unsigned char* buffer[5];
     58    unsigned char* byte_buffer;
     59    float* float_buffer;
     60    double* double_buffer;
     61    uint16_t *half_buffer;
     62    unsigned * elts;
     63    unsigned count = 4;
     64    unsigned i, j, k;
     65    unsigned passed = 0;
     66    unsigned total = 0;
     67    const float error = 0.03125;
     68 
     69    create_fn = 0;
     70 
     71    util_cpu_detect();
     72 
     73    if(argc <= 1)
     74    {}
     75    else if (!strcmp(argv[1], "generic"))
     76       create_fn = translate_generic_create;
     77    else if (!strcmp(argv[1], "x86"))
     78       create_fn = translate_sse2_create;
     79    else if (!strcmp(argv[1], "nosse"))
     80    {
     81       util_cpu_caps.has_sse = 0;
     82       util_cpu_caps.has_sse2 = 0;
     83       util_cpu_caps.has_sse3 = 0;
     84       util_cpu_caps.has_sse4_1 = 0;
     85       create_fn = translate_sse2_create;
     86    }
     87    else if (!strcmp(argv[1], "sse"))
     88    {
     89       if(!util_cpu_caps.has_sse || !rtasm_cpu_has_sse())
     90       {
     91          printf("Error: CPU doesn't support SSE (test with qemu)\n");
     92          return 2;
     93       }
     94       util_cpu_caps.has_sse2 = 0;
     95       util_cpu_caps.has_sse3 = 0;
     96       util_cpu_caps.has_sse4_1 = 0;
     97       create_fn = translate_sse2_create;
     98    }
     99    else if (!strcmp(argv[1], "sse2"))
    100    {
    101       if(!util_cpu_caps.has_sse2 || !rtasm_cpu_has_sse())
    102       {
    103          printf("Error: CPU doesn't support SSE2 (test with qemu)\n");
    104          return 2;
    105       }
    106       util_cpu_caps.has_sse3 = 0;
    107       util_cpu_caps.has_sse4_1 = 0;
    108       create_fn = translate_sse2_create;
    109    }
    110    else if (!strcmp(argv[1], "sse3"))
    111    {
    112       if(!util_cpu_caps.has_sse3 || !rtasm_cpu_has_sse())
    113       {
    114          printf("Error: CPU doesn't support SSE3 (test with qemu)\n");
    115          return 2;
    116       }
    117       util_cpu_caps.has_sse4_1 = 0;
    118       create_fn = translate_sse2_create;
    119    }
    120    else if (!strcmp(argv[1], "sse4.1"))
    121    {
    122       if(!util_cpu_caps.has_sse4_1 || !rtasm_cpu_has_sse())
    123       {
    124          printf("Error: CPU doesn't support SSE4.1 (test with qemu)\n");
    125          return 2;
    126       }
    127       create_fn = translate_sse2_create;
    128    }
    129 
    130    if (!create_fn)
    131    {
    132       printf("Usage: ./translate_test [generic|x86|nosse|sse|sse2|sse3|sse4.1]\n");
    133       return 2;
    134    }
    135 
    136    for (i = 1; i < Elements(buffer); ++i)
    137       buffer[i] = align_malloc(buffer_size, 4096);
    138 
    139    byte_buffer = align_malloc(buffer_size, 4096);
    140    float_buffer = align_malloc(buffer_size, 4096);
    141    double_buffer = align_malloc(buffer_size, 4096);
    142    half_buffer = align_malloc(buffer_size, 4096);
    143 
    144    elts = align_malloc(count * sizeof *elts, 4096);
    145 
    146    key.nr_elements = 1;
    147    key.element[0].input_buffer = 0;
    148    key.element[0].input_offset = 0;
    149    key.element[0].output_offset = 0;
    150    key.element[0].type = TRANSLATE_ELEMENT_NORMAL;
    151    key.element[0].instance_divisor = 0;
    152 
    153    srand(4359025);
    154 
    155    /* avoid negative values that work badly when converted to unsigned format*/
    156    for (i = 0; i < buffer_size; ++i)
    157       byte_buffer[i] = rand() & 0x7f7f7f7f;
    158 
    159    for (i = 0; i < buffer_size / sizeof(float); ++i)
    160       float_buffer[i] = (float)rand_double();
    161 
    162    for (i = 0; i < buffer_size / sizeof(double); ++i)
    163       double_buffer[i] = rand_double();
    164 
    165    for (i = 0; i < buffer_size / sizeof(double); ++i)
    166       half_buffer[i] = util_float_to_half((float) rand_double());
    167 
    168    for (i = 0; i < count; ++i)
    169       elts[i] = i;
    170 
    171    for (output_format = 1; output_format < PIPE_FORMAT_COUNT; ++output_format)
    172    {
    173       const struct util_format_description* output_format_desc = util_format_description(output_format);
    174       unsigned output_format_size;
    175       unsigned output_normalized = 0;
    176 
    177       if (!output_format_desc
    178             || !output_format_desc->fetch_rgba_float
    179             || !output_format_desc->pack_rgba_float
    180             || output_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
    181             || output_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
    182             || !translate_is_output_format_supported(output_format))
    183          continue;
    184 
    185       for(i = 0; i < output_format_desc->nr_channels; ++i)
    186       {
    187          if(output_format_desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT)
    188             output_normalized |= (1 << output_format_desc->channel[i].normalized);
    189       }
    190 
    191       output_format_size = util_format_get_stride(output_format, 1);
    192 
    193       for (input_format = 1; input_format < PIPE_FORMAT_COUNT; ++input_format)
    194       {
    195          const struct util_format_description* input_format_desc = util_format_description(input_format);
    196          unsigned input_format_size;
    197          struct translate* translate[2];
    198          unsigned fail = 0;
    199          unsigned used_generic = 0;
    200          unsigned input_normalized = 0;
    201          boolean input_is_float = FALSE;
    202 
    203          if (!input_format_desc
    204                || !input_format_desc->fetch_rgba_float
    205                || !input_format_desc->pack_rgba_float
    206                || input_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
    207                || input_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
    208                || !translate_is_output_format_supported(input_format))
    209             continue;
    210 
    211          input_format_size = util_format_get_stride(input_format, 1);
    212 
    213          for(i = 0; i < input_format_desc->nr_channels; ++i)
    214          {
    215             if(input_format_desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
    216             {
    217                input_is_float = 1;
    218                input_normalized |= 1 << 1;
    219             }
    220             else
    221                input_normalized |= (1 << input_format_desc->channel[i].normalized);
    222          }
    223 
    224          if(((input_normalized | output_normalized) == 3)
    225                || ((input_normalized & 1) && (output_normalized & 1)
    226                      && input_format_size * output_format_desc->nr_channels > output_format_size * input_format_desc->nr_channels))
    227             continue;
    228 
    229          key.element[0].input_format = input_format;
    230          key.element[0].output_format = output_format;
    231          key.output_stride = output_format_size;
    232          translate[0] = create_fn(&key);
    233          if (!translate[0])
    234             continue;
    235 
    236          key.element[0].input_format = output_format;
    237          key.element[0].output_format = input_format;
    238          key.output_stride = input_format_size;
    239          translate[1] = create_fn(&key);
    240          if(!translate[1])
    241          {
    242             used_generic = 1;
    243             translate[1] = translate_generic_create(&key);
    244             if(!translate[1])
    245                continue;
    246          }
    247 
    248          for(i = 1; i < 5; ++i)
    249             memset(buffer[i], 0xcd - (0x22 * i), 4096);
    250 
    251          if(input_is_float && input_format_desc->channel[0].size == 32)
    252             buffer[0] = (unsigned char*)float_buffer;
    253          else if(input_is_float && input_format_desc->channel[0].size == 64)
    254             buffer[0] = (unsigned char*)double_buffer;
    255          else if(input_is_float && input_format_desc->channel[0].size == 16)
    256             buffer[0] = (unsigned char*)half_buffer;
    257          else if(input_is_float)
    258             abort();
    259          else
    260             buffer[0] = byte_buffer;
    261 
    262          translate[0]->set_buffer(translate[0], 0, buffer[0], input_format_size, count - 1);
    263          translate[0]->run_elts(translate[0], elts, count, 0, buffer[1]);
    264          translate[1]->set_buffer(translate[1], 0, buffer[1], output_format_size, count - 1);
    265          translate[1]->run_elts(translate[1], elts, count, 0, buffer[2]);
    266          translate[0]->set_buffer(translate[0], 0, buffer[2], input_format_size, count - 1);
    267          translate[0]->run_elts(translate[0], elts, count, 0, buffer[3]);
    268          translate[1]->set_buffer(translate[1], 0, buffer[3], output_format_size, count - 1);
    269          translate[1]->run_elts(translate[1], elts, count, 0, buffer[4]);
    270 
    271          for (i = 0; i < count; ++i)
    272          {
    273             float a[4];
    274             float b[4];
    275             input_format_desc->fetch_rgba_float(a, buffer[2] + i * input_format_size, 0, 0);
    276             input_format_desc->fetch_rgba_float(b, buffer[4] + i * input_format_size, 0, 0);
    277 
    278             for (j = 0; j < count; ++j)
    279             {
    280                float d = a[j] - b[j];
    281                if (d > error || d < -error)
    282                {
    283                   fail = 1;
    284                   break;
    285                }
    286             }
    287          }
    288 
    289          printf("%s%s: %s -> %s -> %s -> %s -> %s\n",
    290                fail ? "FAIL" : "PASS",
    291                used_generic ? "[GENERIC]" : "",
    292                input_format_desc->name, output_format_desc->name, input_format_desc->name, output_format_desc->name, input_format_desc->name);
    293 
    294          if (1)
    295          {
    296             for (i = 0; i < Elements(buffer); ++i)
    297             {
    298                unsigned format_size = (i & 1) ? output_format_size : input_format_size;
    299                printf("%c ", (i == 2 || i == 4) ? '*' : ' ');
    300                for (j = 0; j < count; ++j)
    301                {
    302                   for (k = 0; k < format_size; ++k)
    303                   {
    304                      printf("%02x", buffer[i][j * format_size + k]);
    305                   }
    306                   printf(" ");
    307                }
    308                printf("\n");
    309             }
    310          }
    311 
    312          if (!fail)
    313             ++passed;
    314          ++total;
    315 
    316          if(translate[1])
    317             translate[1]->release(translate[1]);
    318          translate[0]->release(translate[0]);
    319       }
    320    }
    321 
    322    printf("%u/%u tests passed for translate_%s\n", passed, total, argv[1]);
    323    return passed != total;
    324 }
    325