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_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 }