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      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();
    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    for (l = 0; l < util_format_nr_test_cases; ++l) {
    150       const struct util_format_test_case *test = &util_format_test_cases[l];
    151 
    152       if (test->format == desc->format) {
    153 
    154          if (first) {
    155             printf("Testing %s (float) ...\n",
    156                    desc->name);
    157             first = FALSE;
    158          }
    159 
    160          for (i = 0; i < desc->block.height; ++i) {
    161             for (j = 0; j < desc->block.width; ++j) {
    162                boolean match = TRUE;
    163 
    164                memset(unpacked, 0, sizeof unpacked);
    165 
    166                fetch_ptr(unpacked, test->packed, j, i);
    167 
    168                for(k = 0; k < 4; ++k) {
    169                   if (util_double_inf_sign(test->unpacked[i][j][k]) != util_inf_sign(unpacked[k])) {
    170                      match = FALSE;
    171                   }
    172 
    173                   if (util_is_double_nan(test->unpacked[i][j][k]) != util_is_nan(unpacked[k])) {
    174                      match = FALSE;
    175                   }
    176 
    177                   if (!util_is_double_inf_or_nan(test->unpacked[i][j][k]) &&
    178                       fabs((float)test->unpacked[i][j][k] - unpacked[k]) > FLT_EPSILON) {
    179                      match = FALSE;
    180                   }
    181                }
    182 
    183                if (!match) {
    184                   printf("FAILED\n");
    185                   printf("  Packed: %02x %02x %02x %02x\n",
    186                          test->packed[0], test->packed[1], test->packed[2], test->packed[3]);
    187                   printf("  Unpacked (%u,%u): %.9g %.9g %.9g %.9g obtained\n",
    188                          j, i,
    189                          unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
    190                   printf("                  %.9g %.9g %.9g %.9g expected\n",
    191                          test->unpacked[i][j][0],
    192                          test->unpacked[i][j][1],
    193                          test->unpacked[i][j][2],
    194                          test->unpacked[i][j][3]);
    195                   success = FALSE;
    196                }
    197             }
    198          }
    199       }
    200    }
    201 
    202    gallivm_free_function(gallivm, fetch, fetch_ptr);
    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();
    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    for (l = 0; l < util_format_nr_test_cases; ++l) {
    235       const struct util_format_test_case *test = &util_format_test_cases[l];
    236 
    237       if (test->format == desc->format) {
    238 
    239          if (first) {
    240             printf("Testing %s (unorm8) ...\n",
    241                    desc->name);
    242             first = FALSE;
    243          }
    244 
    245          for (i = 0; i < desc->block.height; ++i) {
    246             for (j = 0; j < desc->block.width; ++j) {
    247                boolean match;
    248 
    249                memset(unpacked, 0, sizeof unpacked);
    250 
    251                fetch_ptr(unpacked, test->packed, j, i);
    252 
    253                match = TRUE;
    254                for(k = 0; k < 4; ++k) {
    255                   int error = float_to_ubyte(test->unpacked[i][j][k]) - unpacked[k];
    256 
    257                   if (util_is_double_nan(test->unpacked[i][j][k]))
    258                      continue;
    259 
    260                   if (error < 0)
    261                      error = -error;
    262 
    263                   if (error > 1)
    264                      match = FALSE;
    265                }
    266 
    267                if (!match) {
    268                   printf("FAILED\n");
    269                   printf("  Packed: %02x %02x %02x %02x\n",
    270                          test->packed[0], test->packed[1], test->packed[2], test->packed[3]);
    271                   printf("  Unpacked (%u,%u): %02x %02x %02x %02x obtained\n",
    272                          j, i,
    273                          unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
    274                   printf("                  %02x %02x %02x %02x expected\n",
    275                          float_to_ubyte(test->unpacked[i][j][0]),
    276                          float_to_ubyte(test->unpacked[i][j][1]),
    277                          float_to_ubyte(test->unpacked[i][j][2]),
    278                          float_to_ubyte(test->unpacked[i][j][3]));
    279 
    280                   success = FALSE;
    281                }
    282             }
    283          }
    284       }
    285    }
    286 
    287    gallivm_free_function(gallivm, fetch, fetch_ptr);
    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 }
    374