src/gallium/tests/unit/translate_test.c

   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_cpu_detect.h>
  31 #include <rtasm/rtasm_cpu.h>
  32
  33 /* don't use this for serious use */
  34 static double rand_double()
  35 {
  36    const double rm = (double)RAND_MAX + 1;
  37    double div = 1;
  38    double v = 0;
  39    unsigned i;
  40    for(i = 0; i < 4; ++i)
  41    {
  42       div *= rm;
  43       v += (double)rand() / div;
  44    }
  45    return v;
  46 }
  47
  48 int main(int argc, char** argv)
  49 {
  50    struct translate *(*create_fn)(const struct translate_key *key) = 0;
  51
  52    struct translate_key key;
  53    unsigned output_format;
  54    unsigned input_format;
  55    unsigned buffer_size = 4096;
  56    unsigned char* buffer[5];
  57    unsigned char* byte_buffer;
  58    float* float_buffer;
  59    double* double_buffer;
  60    unsigned count = 4;
  61    unsigned i, j, k;
  62    unsigned passed = 0;
  63    unsigned total = 0;
  64    const float error = 0.03125;
  65
  66    create_fn = 0;
  67
  68    util_cpu_detect();
  69
  70    if(argc <= 1)
  71    {}
  72    else if (!strcmp(argv[1], "generic"))
  73       create_fn = translate_generic_create;
  74    else if (!strcmp(argv[1], "x86"))
  75       create_fn = translate_sse2_create;
  76    else if (!strcmp(argv[1], "nosse"))
  77    {
  78       util_cpu_caps.has_sse = 0;
  79       util_cpu_caps.has_sse2 = 0;
  80       util_cpu_caps.has_sse3 = 0;
  81       util_cpu_caps.has_sse4_1 = 0;
  82       create_fn = translate_sse2_create;
  83    }
  84    else if (!strcmp(argv[1], "sse"))
  85    {
  86       if(!util_cpu_caps.has_sse || !rtasm_cpu_has_sse())
  87       {
  88          printf("Error: CPU doesn't support SSE (test with qemu)\n");
  89          return 2;
  90       }
  91       util_cpu_caps.has_sse2 = 0;
  92       util_cpu_caps.has_sse3 = 0;
  93       util_cpu_caps.has_sse4_1 = 0;
  94       create_fn = translate_sse2_create;
  95    }
  96    else if (!strcmp(argv[1], "sse2"))
  97    {
  98       if(!util_cpu_caps.has_sse2 || !rtasm_cpu_has_sse())
  99       {
 100          printf("Error: CPU doesn't support SSE2 (test with qemu)\n");
 101          return 2;
 102       }
 103       util_cpu_caps.has_sse3 = 0;
 104       util_cpu_caps.has_sse4_1 = 0;
 105       create_fn = translate_sse2_create;
 106    }
 107    else if (!strcmp(argv[1], "sse3"))
 108    {
 109       if(!util_cpu_caps.has_sse3 || !rtasm_cpu_has_sse())
 110       {
 111          printf("Error: CPU doesn't support SSE3 (test with qemu)\n");
 112          return 2;
 113       }
 114       util_cpu_caps.has_sse4_1 = 0;
 115       create_fn = translate_sse2_create;
 116    }
 117    else if (!strcmp(argv[1], "sse4.1"))
 118    {
 119       if(!util_cpu_caps.has_sse4_1 || !rtasm_cpu_has_sse())
 120       {
 121          printf("Error: CPU doesn't support SSE4.1 (test with qemu)\n");
 122          return 2;
 123       }
 124       create_fn = translate_sse2_create;
 125    }
 126
 127    if (!create_fn)
 128    {
 129       printf("Usage: ./translate_test [generic|x86|nosse|sse|sse2|sse3|sse4.1]\n");
 130       return 2;
 131    }
 132
 133    for (i = 1; i < Elements(buffer); ++i)
 134       buffer[i] = align_malloc(buffer_size, 4096);
 135
 136    byte_buffer = align_malloc(buffer_size, 4096);
 137    float_buffer = align_malloc(buffer_size, 4096);
 138    double_buffer = align_malloc(buffer_size, 4096);
 139
 140    key.nr_elements = 1;
 141    key.element[0].input_buffer = 0;
 142    key.element[0].input_offset = 0;
 143    key.element[0].output_offset = 0;
 144    key.element[0].type = TRANSLATE_ELEMENT_NORMAL;
 145    key.element[0].instance_divisor = 0;
 146
 147    srand(4359025);
 148
 149    /* avoid negative values that work badly when converted to unsigned format*/
 150    for (i = 0; i < buffer_size; ++i)
 151       byte_buffer[i] = rand() & 0x7f7f7f7f;
 152
 153    for (i = 0; i < buffer_size / sizeof(float); ++i)
 154       float_buffer[i] = (float)rand_double();
 155
 156    for (i = 0; i < buffer_size / sizeof(double); ++i)
 157       double_buffer[i] = rand_double();
 158
 159    for (output_format = 1; output_format < PIPE_FORMAT_COUNT; ++output_format)
 160    {
 161       const struct util_format_description* output_format_desc = util_format_description(output_format);
 162       unsigned output_format_size;
 163       unsigned output_normalized = 0;
 164
 165       if (!output_format_desc
 166             || !output_format_desc->fetch_rgba_float
 167             || !output_format_desc->pack_rgba_float
 168             || output_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
 169             || output_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
 170             || !translate_is_output_format_supported(output_format))
 171          continue;
 172
 173       for(i = 0; i < output_format_desc->nr_channels; ++i)
 174       {
 175          if(output_format_desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT)
 176             output_normalized |= (1 << output_format_desc->channel[i].normalized);
 177       }
 178
 179       output_format_size = util_format_get_stride(output_format, 1);
 180
 181       for (input_format = 1; input_format < PIPE_FORMAT_COUNT; ++input_format)
 182       {
 183          const struct util_format_description* input_format_desc = util_format_description(input_format);
 184          unsigned input_format_size;
 185          struct translate* translate[2];
 186          unsigned fail = 0;
 187          unsigned used_generic = 0;
 188          unsigned input_normalized = 0;
 189          boolean input_is_float = FALSE;
 190
 191          if (!input_format_desc
 192                || !input_format_desc->fetch_rgba_float
 193                || !input_format_desc->pack_rgba_float
 194                || input_format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB
 195                || input_format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN
 196                || !translate_is_output_format_supported(input_format))
 197             continue;
 198
 199          input_format_size = util_format_get_stride(input_format, 1);
 200
 201          for(i = 0; i < input_format_desc->nr_channels; ++i)
 202          {
 203             if(input_format_desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
 204             {
 205                input_is_float = 1;
 206                input_normalized |= 1 << 1;
 207             }
 208             else
 209                input_normalized |= (1 << input_format_desc->channel[i].normalized);
 210          }
 211
 212          if(((input_normalized | output_normalized) == 3)
 213                || ((input_normalized & 1) && (output_normalized & 1)
 214                      && input_format_size * output_format_desc->nr_channels > output_format_size * input_format_desc->nr_channels))
 215             continue;
 216
 217          key.element[0].input_format = input_format;
 218          key.element[0].output_format = output_format;
 219          key.output_stride = output_format_size;
 220          translate[0] = create_fn(&key);
 221          if (!translate[0])
 222             continue;
 223
 224          key.element[0].input_format = output_format;
 225          key.element[0].output_format = input_format;
 226          key.output_stride = input_format_size;
 227          translate[1] = create_fn(&key);
 228          if(!translate[1])
 229          {
 230             used_generic = 1;
 231             translate[1] = translate_generic_create(&key);
 232             if(!translate[1])
 233                continue;
 234          }
 235
 236          for(i = 1; i < 5; ++i)
 237             memset(buffer[i], 0xcd - (0x22 * i), 4096);
 238
 239          if(input_is_float && input_format_desc->channel[0].size == 32)
 240             buffer[0] = (unsigned char*)float_buffer;
 241          else if(input_is_float && input_format_desc->channel[0].size == 64)
 242             buffer[0] = (unsigned char*)double_buffer;
 243          else if(input_is_float)
 244             abort();
 245          else
 246             buffer[0] = byte_buffer;
 247
 248          translate[0]->set_buffer(translate[0], 0, buffer[0], input_format_size, ~0);
 249          translate[0]->run(translate[0], 0, count, 0, buffer[1]);
 250          translate[1]->set_buffer(translate[1], 0, buffer[1], output_format_size, ~0);
 251          translate[1]->run(translate[1], 0, count, 0, buffer[2]);
 252          translate[0]->set_buffer(translate[0], 0, buffer[2], input_format_size, ~0);
 253          translate[0]->run(translate[0], 0, count, 0, buffer[3]);
 254          translate[1]->set_buffer(translate[1], 0, buffer[3], output_format_size, ~0);
 255          translate[1]->run(translate[1], 0, count, 0, buffer[4]);
 256
 257          for (i = 0; i < count; ++i)
 258          {
 259             float a[4];
 260             float b[4];
 261             input_format_desc->fetch_rgba_float(a, buffer[2] + i * input_format_size, 0, 0);
 262             input_format_desc->fetch_rgba_float(b, buffer[4] + i * input_format_size, 0, 0);
 263
 264             for (j = 0; j < count; ++j)
 265             {
 266                float d = a[j] - b[j];
 267                if (d > error || d < -error)
 268                {
 269                   fail = 1;
 270                   break;
 271                }
 272             }
 273          }
 274
 275          printf("%s%s: %s -> %s -> %s -> %s -> %s\n",
 276                fail ? "FAIL" : "PASS",
 277                used_generic ? "[GENERIC]" : "",
 278                input_format_desc->name, output_format_desc->name, input_format_desc->name, output_format_desc->name, input_format_desc->name);
 279
 280          if (1)
 281          {
 282             for (i = 0; i < Elements(buffer); ++i)
 283             {
 284                unsigned format_size = (i & 1) ? output_format_size : input_format_size;
 285                printf("%c ", (i == 2 || i == 4) ? '*' : ' ');
 286                for (j = 0; j < count; ++j)
 287                {
 288                   for (k = 0; k < format_size; ++k)
 289                   {
 290                      printf("%02x", buffer[i][j * format_size + k]);
 291                   }
 292                   printf(" ");
 293                }
 294                printf("\n");
 295             }
 296          }
 297
 298          if (!fail)
 299             ++passed;
 300          ++total;
 301
 302          if(translate[1])
 303             translate[1]->release(translate[1]);
 304          translate[0]->release(translate[0]);
 305       }
 306    }
 307
 308    printf("%u/%u tests passed for translate_%s\n", passed, total, argv[1]);
 309    return passed != total;
 310 }