src/gallium/drivers/llvmpipe/lp_test_format.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31 #include <float.h>
  32
  33 #include "util/u_memory.h"
  34 #include "util/u_pointer.h"
  35 #include "util/u_string.h"
  36 #include "util/u_format.h"
  37 #include "util/u_format_tests.h"
  38 #include "util/u_format_s3tc.h"
  39
  40 #include "gallivm/lp_bld.h"
  41 #include "gallivm/lp_bld_debug.h"
  42 #include "gallivm/lp_bld_format.h"
  43 #include "gallivm/lp_bld_init.h"
  44
  45 #include "lp_test.h"
  46
  47
  48 void
  49 write_tsv_header(FILE *fp)
  50 {
  51    fprintf(fp,
  52            "result\t"
  53            "format\n");
  54
  55    fflush(fp);
  56 }
  57
  58
  59 static void
  60 write_tsv_row(FILE *fp,
  61               const struct util_format_description *desc,
  62               boolean success)
  63 {
  64    fprintf(fp, "%s\t", success ? "pass" : "fail");
  65
  66    fprintf(fp, "%s\n", desc->name);
  67
  68    fflush(fp);
  69 }
  70
  71
  72 typedef void
  73 (*fetch_ptr_t)(void *unpacked, const void *packed,
  74                unsigned i, unsigned j);
  75
  76
  77 static LLVMValueRef
  78 add_fetch_rgba_test(struct gallivm_state *gallivm, unsigned verbose,
  79                     const struct util_format_description *desc,
  80                     struct lp_type type)
  81 {
  82    char name[256];
  83    LLVMContextRef context = gallivm->context;
  84    LLVMModuleRef module = gallivm->module;
  85    LLVMBuilderRef builder = gallivm->builder;
  86    LLVMTypeRef args[4];
  87    LLVMValueRef func;
  88    LLVMValueRef packed_ptr;
  89    LLVMValueRef offset = LLVMConstNull(LLVMInt32TypeInContext(context));
  90    LLVMValueRef rgba_ptr;
  91    LLVMValueRef i;
  92    LLVMValueRef j;
  93    LLVMBasicBlockRef block;
  94    LLVMValueRef rgba;
  95
  96    util_snprintf(name, sizeof name, "fetch_%s_%s", desc->short_name,
  97                  type.floating ? "float" : "unorm8");
  98
  99    args[0] = LLVMPointerType(lp_build_vec_type(gallivm, type), 0);
 100    args[1] = LLVMPointerType(LLVMInt8TypeInContext(context), 0);
 101    args[3] = args[2] = LLVMInt32TypeInContext(context);
 102
 103    func = LLVMAddFunction(module, name,
 104                           LLVMFunctionType(LLVMVoidTypeInContext(context),
 105                                            args, Elements(args), 0));
 106    LLVMSetFunctionCallConv(func, LLVMCCallConv);
 107    rgba_ptr = LLVMGetParam(func, 0);
 108    packed_ptr = LLVMGetParam(func, 1);
 109    i = LLVMGetParam(func, 2);
 110    j = LLVMGetParam(func, 3);
 111
 112    block = LLVMAppendBasicBlockInContext(context, func, "entry");
 113    LLVMPositionBuilderAtEnd(builder, block);
 114
 115    rgba = lp_build_fetch_rgba_aos(gallivm, desc, type,
 116                                   packed_ptr, offset, i, j);
 117
 118    LLVMBuildStore(builder, rgba, rgba_ptr);
 119
 120    LLVMBuildRetVoid(builder);
 121
 122    gallivm_verify_function(gallivm, func);
 123
 124    return func;
 125 }
 126
 127
 128 PIPE_ALIGN_STACK
 129 static boolean
 130 test_format_float(unsigned verbose, FILE *fp,
 131                   const struct util_format_description *desc)
 132 {
 133    struct gallivm_state *gallivm;
 134    LLVMValueRef fetch = NULL;
 135    fetch_ptr_t fetch_ptr;
 136    PIPE_ALIGN_VAR(16) float unpacked[4];
 137    boolean first = TRUE;
 138    boolean success = TRUE;
 139    unsigned i, j, k, l;
 140
 141    gallivm = gallivm_create("test_module_float", LLVMGetGlobalContext());
 142
 143    fetch = add_fetch_rgba_test(gallivm, verbose, desc, lp_float32_vec4_type());
 144
 145    gallivm_compile_module(gallivm);
 146
 147    fetch_ptr = (fetch_ptr_t) gallivm_jit_function(gallivm, fetch);
 148
 149    gallivm_free_ir(gallivm);
 150
 151    for (l = 0; l < util_format_nr_test_cases; ++l) {
 152       const struct util_format_test_case *test = &util_format_test_cases[l];
 153
 154       if (test->format == desc->format) {
 155
 156          if (first) {
 157             printf("Testing %s (float) ...\n",
 158                    desc->name);
 159             first = FALSE;
 160          }
 161
 162          for (i = 0; i < desc->block.height; ++i) {
 163             for (j = 0; j < desc->block.width; ++j) {
 164                boolean match = TRUE;
 165
 166                memset(unpacked, 0, sizeof unpacked);
 167
 168                fetch_ptr(unpacked, test->packed, j, i);
 169
 170                for(k = 0; k < 4; ++k) {
 171                   if (util_double_inf_sign(test->unpacked[i][j][k]) != util_inf_sign(unpacked[k])) {
 172                      match = FALSE;
 173                   }
 174
 175                   if (util_is_double_nan(test->unpacked[i][j][k]) != util_is_nan(unpacked[k])) {
 176                      match = FALSE;
 177                   }
 178
 179                   if (!util_is_double_inf_or_nan(test->unpacked[i][j][k]) &&
 180                       fabs((float)test->unpacked[i][j][k] - unpacked[k]) > FLT_EPSILON) {
 181                      match = FALSE;
 182                   }
 183                }
 184
 185                if (!match) {
 186                   printf("FAILED\n");
 187                   printf("  Packed: %02x %02x %02x %02x\n",
 188                          test->packed[0], test->packed[1], test->packed[2], test->packed[3]);
 189                   printf("  Unpacked (%u,%u): %.9g %.9g %.9g %.9g obtained\n",
 190                          j, i,
 191                          unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
 192                   printf("                  %.9g %.9g %.9g %.9g expected\n",
 193                          test->unpacked[i][j][0],
 194                          test->unpacked[i][j][1],
 195                          test->unpacked[i][j][2],
 196                          test->unpacked[i][j][3]);
 197                   success = FALSE;
 198                }
 199             }
 200          }
 201       }
 202    }
 203
 204    gallivm_destroy(gallivm);
 205
 206    if(fp)
 207       write_tsv_row(fp, desc, success);
 208
 209    return success;
 210 }
 211
 212
 213 PIPE_ALIGN_STACK
 214 static boolean
 215 test_format_unorm8(unsigned verbose, FILE *fp,
 216                    const struct util_format_description *desc)
 217 {
 218    struct gallivm_state *gallivm;
 219    LLVMValueRef fetch = NULL;
 220    fetch_ptr_t fetch_ptr;
 221    uint8_t unpacked[4];
 222    boolean first = TRUE;
 223    boolean success = TRUE;
 224    unsigned i, j, k, l;
 225
 226    gallivm = gallivm_create("test_module_unorm8", LLVMGetGlobalContext());
 227
 228    fetch = add_fetch_rgba_test(gallivm, verbose, desc, lp_unorm8_vec4_type());
 229
 230    gallivm_compile_module(gallivm);
 231
 232    fetch_ptr = (fetch_ptr_t) gallivm_jit_function(gallivm, fetch);
 233
 234    gallivm_free_ir(gallivm);
 235
 236    for (l = 0; l < util_format_nr_test_cases; ++l) {
 237       const struct util_format_test_case *test = &util_format_test_cases[l];
 238
 239       if (test->format == desc->format) {
 240
 241          if (first) {
 242             printf("Testing %s (unorm8) ...\n",
 243                    desc->name);
 244             first = FALSE;
 245          }
 246
 247          for (i = 0; i < desc->block.height; ++i) {
 248             for (j = 0; j < desc->block.width; ++j) {
 249                boolean match;
 250
 251                memset(unpacked, 0, sizeof unpacked);
 252
 253                fetch_ptr(unpacked, test->packed, j, i);
 254
 255                match = TRUE;
 256                for(k = 0; k < 4; ++k) {
 257                   int error = float_to_ubyte(test->unpacked[i][j][k]) - unpacked[k];
 258
 259                   if (util_is_double_nan(test->unpacked[i][j][k]))
 260                      continue;
 261
 262                   if (error < 0)
 263                      error = -error;
 264
 265                   if (error > 1)
 266                      match = FALSE;
 267                }
 268
 269                if (!match) {
 270                   printf("FAILED\n");
 271                   printf("  Packed: %02x %02x %02x %02x\n",
 272                          test->packed[0], test->packed[1], test->packed[2], test->packed[3]);
 273                   printf("  Unpacked (%u,%u): %02x %02x %02x %02x obtained\n",
 274                          j, i,
 275                          unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
 276                   printf("                  %02x %02x %02x %02x expected\n",
 277                          float_to_ubyte(test->unpacked[i][j][0]),
 278                          float_to_ubyte(test->unpacked[i][j][1]),
 279                          float_to_ubyte(test->unpacked[i][j][2]),
 280                          float_to_ubyte(test->unpacked[i][j][3]));
 281
 282                   success = FALSE;
 283                }
 284             }
 285          }
 286       }
 287    }
 288
 289    gallivm_destroy(gallivm);
 290
 291    if(fp)
 292       write_tsv_row(fp, desc, success);
 293
 294    return success;
 295 }
 296
 297
 298
 299
 300 static boolean
 301 test_one(unsigned verbose, FILE *fp,
 302          const struct util_format_description *format_desc)
 303 {
 304    boolean success = TRUE;
 305
 306    if (!test_format_float(verbose, fp, format_desc)) {
 307      success = FALSE;
 308    }
 309
 310    if (!test_format_unorm8(verbose, fp, format_desc)) {
 311      success = FALSE;
 312    }
 313
 314    return success;
 315 }
 316
 317
 318 boolean
 319 test_all(unsigned verbose, FILE *fp)
 320 {
 321    enum pipe_format format;
 322    boolean success = TRUE;
 323
 324    util_format_s3tc_init();
 325
 326    for (format = 1; format < PIPE_FORMAT_COUNT; ++format) {
 327       const struct util_format_description *format_desc;
 328
 329       format_desc = util_format_description(format);
 330       if (!format_desc) {
 331          continue;
 332       }
 333
 334
 335       /*
 336        * TODO: test more
 337        */
 338
 339       if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) {
 340          continue;
 341       }
 342
 343       if (util_format_is_pure_integer(format))
 344          continue;
 345
 346       if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC &&
 347           !util_format_s3tc_enabled) {
 348          continue;
 349       }
 350
 351       if (!test_one(verbose, fp, format_desc)) {
 352            success = FALSE;
 353       }
 354    }
 355
 356    return success;
 357 }
 358
 359
 360 boolean
 361 test_some(unsigned verbose, FILE *fp,
 362           unsigned long n)
 363 {
 364    return test_all(verbose, fp);
 365 }
 366
 367
 368 boolean
 369 test_single(unsigned verbose, FILE *fp)
 370 {
 371    printf("no test_single()");
 372    return TRUE;
 373 }