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 /** 30 * @file 31 * Unit tests for blend LLVM IR generation 32 * 33 * @author Jose Fonseca <jfonseca (at) vmware.com> 34 * 35 * Blend computation code derived from code written by 36 * @author Brian Paul <brian (at) vmware.com> 37 */ 38 39 #include "util/u_memory.h" 40 41 #include "gallivm/lp_bld_init.h" 42 #include "gallivm/lp_bld_type.h" 43 #include "gallivm/lp_bld_debug.h" 44 #include "lp_bld_blend.h" 45 #include "lp_test.h" 46 47 48 enum vector_mode 49 { 50 AoS = 0, 51 SoA = 1 52 }; 53 54 55 typedef void (*blend_test_ptr_t)(const void *src, const void *dst, const void *con, void *res); 56 57 58 void 59 write_tsv_header(FILE *fp) 60 { 61 fprintf(fp, 62 "result\t" 63 "cycles_per_channel\t" 64 "mode\t" 65 "type\t" 66 "sep_func\t" 67 "sep_src_factor\t" 68 "sep_dst_factor\t" 69 "rgb_func\t" 70 "rgb_src_factor\t" 71 "rgb_dst_factor\t" 72 "alpha_func\t" 73 "alpha_src_factor\t" 74 "alpha_dst_factor\n"); 75 76 fflush(fp); 77 } 78 79 80 static void 81 write_tsv_row(FILE *fp, 82 const struct pipe_blend_state *blend, 83 enum vector_mode mode, 84 struct lp_type type, 85 double cycles, 86 boolean success) 87 { 88 fprintf(fp, "%s\t", success ? "pass" : "fail"); 89 90 if (mode == AoS) { 91 fprintf(fp, "%.1f\t", cycles / type.length); 92 fprintf(fp, "aos\t"); 93 } 94 95 if (mode == SoA) { 96 fprintf(fp, "%.1f\t", cycles / (4 * type.length)); 97 fprintf(fp, "soa\t"); 98 } 99 100 fprintf(fp, "%s%u%sx%u\t", 101 type.floating ? "f" : (type.fixed ? "h" : (type.sign ? "s" : "u")), 102 type.width, 103 type.norm ? "n" : "", 104 type.length); 105 106 fprintf(fp, 107 "%s\t%s\t%s\t", 108 blend->rt[0].rgb_func != blend->rt[0].alpha_func ? "true" : "false", 109 blend->rt[0].rgb_src_factor != blend->rt[0].alpha_src_factor ? "true" : "false", 110 blend->rt[0].rgb_dst_factor != blend->rt[0].alpha_dst_factor ? "true" : "false"); 111 112 fprintf(fp, 113 "%s\t%s\t%s\t%s\t%s\t%s\n", 114 util_dump_blend_func(blend->rt[0].rgb_func, TRUE), 115 util_dump_blend_factor(blend->rt[0].rgb_src_factor, TRUE), 116 util_dump_blend_factor(blend->rt[0].rgb_dst_factor, TRUE), 117 util_dump_blend_func(blend->rt[0].alpha_func, TRUE), 118 util_dump_blend_factor(blend->rt[0].alpha_src_factor, TRUE), 119 util_dump_blend_factor(blend->rt[0].alpha_dst_factor, TRUE)); 120 121 fflush(fp); 122 } 123 124 125 static void 126 dump_blend_type(FILE *fp, 127 const struct pipe_blend_state *blend, 128 enum vector_mode mode, 129 struct lp_type type) 130 { 131 fprintf(fp, "%s", mode ? "soa" : "aos"); 132 133 fprintf(fp, " type=%s%u%sx%u", 134 type.floating ? "f" : (type.fixed ? "h" : (type.sign ? "s" : "u")), 135 type.width, 136 type.norm ? "n" : "", 137 type.length); 138 139 fprintf(fp, 140 " %s=%s %s=%s %s=%s %s=%s %s=%s %s=%s", 141 "rgb_func", util_dump_blend_func(blend->rt[0].rgb_func, TRUE), 142 "rgb_src_factor", util_dump_blend_factor(blend->rt[0].rgb_src_factor, TRUE), 143 "rgb_dst_factor", util_dump_blend_factor(blend->rt[0].rgb_dst_factor, TRUE), 144 "alpha_func", util_dump_blend_func(blend->rt[0].alpha_func, TRUE), 145 "alpha_src_factor", util_dump_blend_factor(blend->rt[0].alpha_src_factor, TRUE), 146 "alpha_dst_factor", util_dump_blend_factor(blend->rt[0].alpha_dst_factor, TRUE)); 147 148 fprintf(fp, " ...\n"); 149 fflush(fp); 150 } 151 152 153 static LLVMValueRef 154 add_blend_test(struct gallivm_state *gallivm, 155 const struct pipe_blend_state *blend, 156 enum vector_mode mode, 157 struct lp_type type) 158 { 159 LLVMModuleRef module = gallivm->module; 160 LLVMContextRef context = gallivm->context; 161 LLVMTypeRef vec_type; 162 LLVMTypeRef args[4]; 163 LLVMValueRef func; 164 LLVMValueRef src_ptr; 165 LLVMValueRef dst_ptr; 166 LLVMValueRef const_ptr; 167 LLVMValueRef res_ptr; 168 LLVMBasicBlockRef block; 169 LLVMBuilderRef builder; 170 const enum pipe_format format = PIPE_FORMAT_R8G8B8A8_UNORM; 171 const unsigned rt = 0; 172 const unsigned char swizzle[4] = { 0, 1, 2, 3 }; 173 174 vec_type = lp_build_vec_type(gallivm, type); 175 176 args[3] = args[2] = args[1] = args[0] = LLVMPointerType(vec_type, 0); 177 func = LLVMAddFunction(module, "test", LLVMFunctionType(LLVMVoidTypeInContext(context), args, 4, 0)); 178 LLVMSetFunctionCallConv(func, LLVMCCallConv); 179 src_ptr = LLVMGetParam(func, 0); 180 dst_ptr = LLVMGetParam(func, 1); 181 const_ptr = LLVMGetParam(func, 2); 182 res_ptr = LLVMGetParam(func, 3); 183 184 block = LLVMAppendBasicBlockInContext(context, func, "entry"); 185 builder = gallivm->builder; 186 LLVMPositionBuilderAtEnd(builder, block); 187 188 if (mode == AoS) { 189 LLVMValueRef src; 190 LLVMValueRef dst; 191 LLVMValueRef con; 192 LLVMValueRef res; 193 194 src = LLVMBuildLoad(builder, src_ptr, "src"); 195 dst = LLVMBuildLoad(builder, dst_ptr, "dst"); 196 con = LLVMBuildLoad(builder, const_ptr, "const"); 197 198 res = lp_build_blend_aos(gallivm, blend, &format, type, rt, src, dst, NULL, con, swizzle); 199 200 lp_build_name(res, "res"); 201 202 LLVMBuildStore(builder, res, res_ptr); 203 } 204 205 if (mode == SoA) { 206 LLVMValueRef src[4]; 207 LLVMValueRef dst[4]; 208 LLVMValueRef con[4]; 209 LLVMValueRef res[4]; 210 unsigned i; 211 212 for(i = 0; i < 4; ++i) { 213 LLVMValueRef index = LLVMConstInt(LLVMInt32TypeInContext(context), i, 0); 214 src[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, src_ptr, &index, 1, ""), ""); 215 dst[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), ""); 216 con[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), ""); 217 lp_build_name(src[i], "src.%c", "rgba"[i]); 218 lp_build_name(con[i], "con.%c", "rgba"[i]); 219 lp_build_name(dst[i], "dst.%c", "rgba"[i]); 220 } 221 222 lp_build_blend_soa(gallivm, blend, type, rt, src, dst, con, res); 223 224 for(i = 0; i < 4; ++i) { 225 LLVMValueRef index = LLVMConstInt(LLVMInt32TypeInContext(context), i, 0); 226 lp_build_name(res[i], "res.%c", "rgba"[i]); 227 LLVMBuildStore(builder, res[i], LLVMBuildGEP(builder, res_ptr, &index, 1, "")); 228 } 229 } 230 231 LLVMBuildRetVoid(builder);; 232 233 return func; 234 } 235 236 237 static void 238 compute_blend_ref_term(unsigned rgb_factor, 239 unsigned alpha_factor, 240 const double *factor, 241 const double *src, 242 const double *dst, 243 const double *con, 244 double *term) 245 { 246 double temp; 247 248 switch (rgb_factor) { 249 case PIPE_BLENDFACTOR_ONE: 250 term[0] = factor[0]; /* R */ 251 term[1] = factor[1]; /* G */ 252 term[2] = factor[2]; /* B */ 253 break; 254 case PIPE_BLENDFACTOR_SRC_COLOR: 255 term[0] = factor[0] * src[0]; /* R */ 256 term[1] = factor[1] * src[1]; /* G */ 257 term[2] = factor[2] * src[2]; /* B */ 258 break; 259 case PIPE_BLENDFACTOR_SRC_ALPHA: 260 term[0] = factor[0] * src[3]; /* R */ 261 term[1] = factor[1] * src[3]; /* G */ 262 term[2] = factor[2] * src[3]; /* B */ 263 break; 264 case PIPE_BLENDFACTOR_DST_COLOR: 265 term[0] = factor[0] * dst[0]; /* R */ 266 term[1] = factor[1] * dst[1]; /* G */ 267 term[2] = factor[2] * dst[2]; /* B */ 268 break; 269 case PIPE_BLENDFACTOR_DST_ALPHA: 270 term[0] = factor[0] * dst[3]; /* R */ 271 term[1] = factor[1] * dst[3]; /* G */ 272 term[2] = factor[2] * dst[3]; /* B */ 273 break; 274 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 275 temp = MIN2(src[3], 1.0f - dst[3]); 276 term[0] = factor[0] * temp; /* R */ 277 term[1] = factor[1] * temp; /* G */ 278 term[2] = factor[2] * temp; /* B */ 279 break; 280 case PIPE_BLENDFACTOR_CONST_COLOR: 281 term[0] = factor[0] * con[0]; /* R */ 282 term[1] = factor[1] * con[1]; /* G */ 283 term[2] = factor[2] * con[2]; /* B */ 284 break; 285 case PIPE_BLENDFACTOR_CONST_ALPHA: 286 term[0] = factor[0] * con[3]; /* R */ 287 term[1] = factor[1] * con[3]; /* G */ 288 term[2] = factor[2] * con[3]; /* B */ 289 break; 290 case PIPE_BLENDFACTOR_SRC1_COLOR: 291 assert(0); /* to do */ 292 break; 293 case PIPE_BLENDFACTOR_SRC1_ALPHA: 294 assert(0); /* to do */ 295 break; 296 case PIPE_BLENDFACTOR_ZERO: 297 term[0] = 0.0f; /* R */ 298 term[1] = 0.0f; /* G */ 299 term[2] = 0.0f; /* B */ 300 break; 301 case PIPE_BLENDFACTOR_INV_SRC_COLOR: 302 term[0] = factor[0] * (1.0f - src[0]); /* R */ 303 term[1] = factor[1] * (1.0f - src[1]); /* G */ 304 term[2] = factor[2] * (1.0f - src[2]); /* B */ 305 break; 306 case PIPE_BLENDFACTOR_INV_SRC_ALPHA: 307 term[0] = factor[0] * (1.0f - src[3]); /* R */ 308 term[1] = factor[1] * (1.0f - src[3]); /* G */ 309 term[2] = factor[2] * (1.0f - src[3]); /* B */ 310 break; 311 case PIPE_BLENDFACTOR_INV_DST_ALPHA: 312 term[0] = factor[0] * (1.0f - dst[3]); /* R */ 313 term[1] = factor[1] * (1.0f - dst[3]); /* G */ 314 term[2] = factor[2] * (1.0f - dst[3]); /* B */ 315 break; 316 case PIPE_BLENDFACTOR_INV_DST_COLOR: 317 term[0] = factor[0] * (1.0f - dst[0]); /* R */ 318 term[1] = factor[1] * (1.0f - dst[1]); /* G */ 319 term[2] = factor[2] * (1.0f - dst[2]); /* B */ 320 break; 321 case PIPE_BLENDFACTOR_INV_CONST_COLOR: 322 term[0] = factor[0] * (1.0f - con[0]); /* R */ 323 term[1] = factor[1] * (1.0f - con[1]); /* G */ 324 term[2] = factor[2] * (1.0f - con[2]); /* B */ 325 break; 326 case PIPE_BLENDFACTOR_INV_CONST_ALPHA: 327 term[0] = factor[0] * (1.0f - con[3]); /* R */ 328 term[1] = factor[1] * (1.0f - con[3]); /* G */ 329 term[2] = factor[2] * (1.0f - con[3]); /* B */ 330 break; 331 case PIPE_BLENDFACTOR_INV_SRC1_COLOR: 332 assert(0); /* to do */ 333 break; 334 case PIPE_BLENDFACTOR_INV_SRC1_ALPHA: 335 assert(0); /* to do */ 336 break; 337 default: 338 assert(0); 339 } 340 341 /* 342 * Compute src/first term A 343 */ 344 switch (alpha_factor) { 345 case PIPE_BLENDFACTOR_ONE: 346 term[3] = factor[3]; /* A */ 347 break; 348 case PIPE_BLENDFACTOR_SRC_COLOR: 349 case PIPE_BLENDFACTOR_SRC_ALPHA: 350 term[3] = factor[3] * src[3]; /* A */ 351 break; 352 case PIPE_BLENDFACTOR_DST_COLOR: 353 case PIPE_BLENDFACTOR_DST_ALPHA: 354 term[3] = factor[3] * dst[3]; /* A */ 355 break; 356 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 357 term[3] = src[3]; /* A */ 358 break; 359 case PIPE_BLENDFACTOR_CONST_COLOR: 360 case PIPE_BLENDFACTOR_CONST_ALPHA: 361 term[3] = factor[3] * con[3]; /* A */ 362 break; 363 case PIPE_BLENDFACTOR_ZERO: 364 term[3] = 0.0f; /* A */ 365 break; 366 case PIPE_BLENDFACTOR_INV_SRC_COLOR: 367 case PIPE_BLENDFACTOR_INV_SRC_ALPHA: 368 term[3] = factor[3] * (1.0f - src[3]); /* A */ 369 break; 370 case PIPE_BLENDFACTOR_INV_DST_COLOR: 371 case PIPE_BLENDFACTOR_INV_DST_ALPHA: 372 term[3] = factor[3] * (1.0f - dst[3]); /* A */ 373 break; 374 case PIPE_BLENDFACTOR_INV_CONST_COLOR: 375 case PIPE_BLENDFACTOR_INV_CONST_ALPHA: 376 term[3] = factor[3] * (1.0f - con[3]); 377 break; 378 default: 379 assert(0); 380 } 381 } 382 383 384 static void 385 compute_blend_ref(const struct pipe_blend_state *blend, 386 const double *src, 387 const double *dst, 388 const double *con, 389 double *res) 390 { 391 double src_term[4]; 392 double dst_term[4]; 393 394 compute_blend_ref_term(blend->rt[0].rgb_src_factor, blend->rt[0].alpha_src_factor, 395 src, src, dst, con, src_term); 396 compute_blend_ref_term(blend->rt[0].rgb_dst_factor, blend->rt[0].alpha_dst_factor, 397 dst, src, dst, con, dst_term); 398 399 /* 400 * Combine RGB terms 401 */ 402 switch (blend->rt[0].rgb_func) { 403 case PIPE_BLEND_ADD: 404 res[0] = src_term[0] + dst_term[0]; /* R */ 405 res[1] = src_term[1] + dst_term[1]; /* G */ 406 res[2] = src_term[2] + dst_term[2]; /* B */ 407 break; 408 case PIPE_BLEND_SUBTRACT: 409 res[0] = src_term[0] - dst_term[0]; /* R */ 410 res[1] = src_term[1] - dst_term[1]; /* G */ 411 res[2] = src_term[2] - dst_term[2]; /* B */ 412 break; 413 case PIPE_BLEND_REVERSE_SUBTRACT: 414 res[0] = dst_term[0] - src_term[0]; /* R */ 415 res[1] = dst_term[1] - src_term[1]; /* G */ 416 res[2] = dst_term[2] - src_term[2]; /* B */ 417 break; 418 case PIPE_BLEND_MIN: 419 res[0] = MIN2(src_term[0], dst_term[0]); /* R */ 420 res[1] = MIN2(src_term[1], dst_term[1]); /* G */ 421 res[2] = MIN2(src_term[2], dst_term[2]); /* B */ 422 break; 423 case PIPE_BLEND_MAX: 424 res[0] = MAX2(src_term[0], dst_term[0]); /* R */ 425 res[1] = MAX2(src_term[1], dst_term[1]); /* G */ 426 res[2] = MAX2(src_term[2], dst_term[2]); /* B */ 427 break; 428 default: 429 assert(0); 430 } 431 432 /* 433 * Combine A terms 434 */ 435 switch (blend->rt[0].alpha_func) { 436 case PIPE_BLEND_ADD: 437 res[3] = src_term[3] + dst_term[3]; /* A */ 438 break; 439 case PIPE_BLEND_SUBTRACT: 440 res[3] = src_term[3] - dst_term[3]; /* A */ 441 break; 442 case PIPE_BLEND_REVERSE_SUBTRACT: 443 res[3] = dst_term[3] - src_term[3]; /* A */ 444 break; 445 case PIPE_BLEND_MIN: 446 res[3] = MIN2(src_term[3], dst_term[3]); /* A */ 447 break; 448 case PIPE_BLEND_MAX: 449 res[3] = MAX2(src_term[3], dst_term[3]); /* A */ 450 break; 451 default: 452 assert(0); 453 } 454 } 455 456 457 PIPE_ALIGN_STACK 458 static boolean 459 test_one(unsigned verbose, 460 FILE *fp, 461 const struct pipe_blend_state *blend, 462 enum vector_mode mode, 463 struct lp_type type) 464 { 465 struct gallivm_state *gallivm; 466 LLVMValueRef func = NULL; 467 blend_test_ptr_t blend_test_ptr; 468 boolean success; 469 const unsigned n = LP_TEST_NUM_SAMPLES; 470 int64_t cycles[LP_TEST_NUM_SAMPLES]; 471 double cycles_avg = 0.0; 472 unsigned i, j; 473 const unsigned stride = lp_type_width(type)/8; 474 475 if(verbose >= 1) 476 dump_blend_type(stdout, blend, mode, type); 477 478 gallivm = gallivm_create(); 479 480 func = add_blend_test(gallivm, blend, mode, type); 481 482 gallivm_compile_module(gallivm); 483 484 blend_test_ptr = (blend_test_ptr_t)gallivm_jit_function(gallivm, func); 485 486 success = TRUE; 487 if(mode == AoS) { 488 uint8_t *src, *dst, *con, *res, *ref; 489 src = align_malloc(stride, stride); 490 dst = align_malloc(stride, stride); 491 con = align_malloc(stride, stride); 492 res = align_malloc(stride, stride); 493 ref = align_malloc(stride, stride); 494 495 for(i = 0; i < n && success; ++i) { 496 int64_t start_counter = 0; 497 int64_t end_counter = 0; 498 499 random_vec(type, src); 500 random_vec(type, dst); 501 random_vec(type, con); 502 503 { 504 double fsrc[LP_MAX_VECTOR_LENGTH]; 505 double fdst[LP_MAX_VECTOR_LENGTH]; 506 double fcon[LP_MAX_VECTOR_LENGTH]; 507 double fref[LP_MAX_VECTOR_LENGTH]; 508 509 read_vec(type, src, fsrc); 510 read_vec(type, dst, fdst); 511 read_vec(type, con, fcon); 512 513 for(j = 0; j < type.length; j += 4) 514 compute_blend_ref(blend, fsrc + j, fdst + j, fcon + j, fref + j); 515 516 write_vec(type, ref, fref); 517 } 518 519 start_counter = rdtsc(); 520 blend_test_ptr(src, dst, con, res); 521 end_counter = rdtsc(); 522 523 cycles[i] = end_counter - start_counter; 524 525 if(!compare_vec(type, res, ref)) { 526 success = FALSE; 527 528 if(verbose < 1) 529 dump_blend_type(stderr, blend, mode, type); 530 fprintf(stderr, "MISMATCH\n"); 531 532 fprintf(stderr, " Src: "); 533 dump_vec(stderr, type, src); 534 fprintf(stderr, "\n"); 535 536 fprintf(stderr, " Dst: "); 537 dump_vec(stderr, type, dst); 538 fprintf(stderr, "\n"); 539 540 fprintf(stderr, " Con: "); 541 dump_vec(stderr, type, con); 542 fprintf(stderr, "\n"); 543 544 fprintf(stderr, " Res: "); 545 dump_vec(stderr, type, res); 546 fprintf(stderr, "\n"); 547 548 fprintf(stderr, " Ref: "); 549 dump_vec(stderr, type, ref); 550 fprintf(stderr, "\n"); 551 } 552 } 553 align_free(src); 554 align_free(dst); 555 align_free(con); 556 align_free(res); 557 align_free(ref); 558 } 559 else if(mode == SoA) { 560 uint8_t *src, *dst, *con, *res, *ref; 561 src = align_malloc(4*stride, stride); 562 dst = align_malloc(4*stride, stride); 563 con = align_malloc(4*stride, stride); 564 res = align_malloc(4*stride, stride); 565 ref = align_malloc(4*stride, stride); 566 567 for(i = 0; i < n && success; ++i) { 568 int64_t start_counter = 0; 569 int64_t end_counter = 0; 570 boolean mismatch; 571 572 for(j = 0; j < 4; ++j) { 573 random_vec(type, src + j*stride); 574 random_vec(type, dst + j*stride); 575 random_vec(type, con + j*stride); 576 } 577 578 { 579 double fsrc[4]; 580 double fdst[4]; 581 double fcon[4]; 582 double fref[4]; 583 unsigned k; 584 585 for(k = 0; k < type.length; ++k) { 586 for(j = 0; j < 4; ++j) { 587 fsrc[j] = read_elem(type, src + j*stride, k); 588 fdst[j] = read_elem(type, dst + j*stride, k); 589 fcon[j] = read_elem(type, con + j*stride, k); 590 } 591 592 compute_blend_ref(blend, fsrc, fdst, fcon, fref); 593 594 for(j = 0; j < 4; ++j) 595 write_elem(type, ref + j*stride, k, fref[j]); 596 } 597 } 598 599 start_counter = rdtsc(); 600 blend_test_ptr(src, dst, con, res); 601 end_counter = rdtsc(); 602 603 cycles[i] = end_counter - start_counter; 604 605 mismatch = FALSE; 606 for (j = 0; j < 4; ++j) 607 if(!compare_vec(type, res + j*stride, ref + j*stride)) 608 mismatch = TRUE; 609 610 if (mismatch) { 611 success = FALSE; 612 613 if(verbose < 1) 614 dump_blend_type(stderr, blend, mode, type); 615 fprintf(stderr, "MISMATCH\n"); 616 for(j = 0; j < 4; ++j) { 617 char channel = "RGBA"[j]; 618 fprintf(stderr, " Src%c: ", channel); 619 dump_vec(stderr, type, src + j*stride); 620 fprintf(stderr, "\n"); 621 622 fprintf(stderr, " Dst%c: ", channel); 623 dump_vec(stderr, type, dst + j*stride); 624 fprintf(stderr, "\n"); 625 626 fprintf(stderr, " Con%c: ", channel); 627 dump_vec(stderr, type, con + j*stride); 628 fprintf(stderr, "\n"); 629 630 fprintf(stderr, " Res%c: ", channel); 631 dump_vec(stderr, type, res + j*stride); 632 fprintf(stderr, "\n"); 633 634 fprintf(stderr, " Ref%c: ", channel); 635 dump_vec(stderr, type, ref + j*stride); 636 fprintf(stderr, "\n"); 637 638 fprintf(stderr, "\n"); 639 } 640 } 641 } 642 align_free(src); 643 align_free(dst); 644 align_free(con); 645 align_free(res); 646 align_free(ref); 647 } 648 649 /* 650 * Unfortunately the output of cycle counter is not very reliable as it comes 651 * -- sometimes we get outliers (due IRQs perhaps?) which are 652 * better removed to avoid random or biased data. 653 */ 654 { 655 double sum = 0.0, sum2 = 0.0; 656 double avg, std; 657 unsigned m; 658 659 for(i = 0; i < n; ++i) { 660 sum += cycles[i]; 661 sum2 += cycles[i]*cycles[i]; 662 } 663 664 avg = sum/n; 665 std = sqrtf((sum2 - n*avg*avg)/n); 666 667 m = 0; 668 sum = 0.0; 669 for(i = 0; i < n; ++i) { 670 if(fabs(cycles[i] - avg) <= 4.0*std) { 671 sum += cycles[i]; 672 ++m; 673 } 674 } 675 676 cycles_avg = sum/m; 677 678 } 679 680 if(fp) 681 write_tsv_row(fp, blend, mode, type, cycles_avg, success); 682 683 gallivm_free_function(gallivm, func, blend_test_ptr); 684 685 gallivm_destroy(gallivm); 686 687 return success; 688 } 689 690 691 const unsigned 692 blend_factors[] = { 693 PIPE_BLENDFACTOR_ZERO, 694 PIPE_BLENDFACTOR_ONE, 695 PIPE_BLENDFACTOR_SRC_COLOR, 696 PIPE_BLENDFACTOR_SRC_ALPHA, 697 PIPE_BLENDFACTOR_DST_COLOR, 698 PIPE_BLENDFACTOR_DST_ALPHA, 699 PIPE_BLENDFACTOR_CONST_COLOR, 700 PIPE_BLENDFACTOR_CONST_ALPHA, 701 #if 0 702 PIPE_BLENDFACTOR_SRC1_COLOR, 703 PIPE_BLENDFACTOR_SRC1_ALPHA, 704 #endif 705 PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE, 706 PIPE_BLENDFACTOR_INV_SRC_COLOR, 707 PIPE_BLENDFACTOR_INV_SRC_ALPHA, 708 PIPE_BLENDFACTOR_INV_DST_COLOR, 709 PIPE_BLENDFACTOR_INV_DST_ALPHA, 710 PIPE_BLENDFACTOR_INV_CONST_COLOR, 711 PIPE_BLENDFACTOR_INV_CONST_ALPHA, 712 #if 0 713 PIPE_BLENDFACTOR_INV_SRC1_COLOR, 714 PIPE_BLENDFACTOR_INV_SRC1_ALPHA, 715 #endif 716 }; 717 718 719 const unsigned 720 blend_funcs[] = { 721 PIPE_BLEND_ADD, 722 PIPE_BLEND_SUBTRACT, 723 PIPE_BLEND_REVERSE_SUBTRACT, 724 PIPE_BLEND_MIN, 725 PIPE_BLEND_MAX 726 }; 727 728 729 const struct lp_type blend_types[] = { 730 /* float, fixed, sign, norm, width, len */ 731 { TRUE, FALSE, TRUE, FALSE, 32, 4 }, /* f32 x 4 */ 732 { FALSE, FALSE, FALSE, TRUE, 8, 16 }, /* u8n x 16 */ 733 }; 734 735 736 const unsigned num_funcs = sizeof(blend_funcs)/sizeof(blend_funcs[0]); 737 const unsigned num_factors = sizeof(blend_factors)/sizeof(blend_factors[0]); 738 const unsigned num_types = sizeof(blend_types)/sizeof(blend_types[0]); 739 740 741 boolean 742 test_all(unsigned verbose, FILE *fp) 743 { 744 const unsigned *rgb_func; 745 const unsigned *rgb_src_factor; 746 const unsigned *rgb_dst_factor; 747 const unsigned *alpha_func; 748 const unsigned *alpha_src_factor; 749 const unsigned *alpha_dst_factor; 750 struct pipe_blend_state blend; 751 enum vector_mode mode; 752 const struct lp_type *type; 753 boolean success = TRUE; 754 755 for(rgb_func = blend_funcs; rgb_func < &blend_funcs[num_funcs]; ++rgb_func) { 756 for(alpha_func = blend_funcs; alpha_func < &blend_funcs[num_funcs]; ++alpha_func) { 757 for(rgb_src_factor = blend_factors; rgb_src_factor < &blend_factors[num_factors]; ++rgb_src_factor) { 758 for(rgb_dst_factor = blend_factors; rgb_dst_factor <= rgb_src_factor; ++rgb_dst_factor) { 759 for(alpha_src_factor = blend_factors; alpha_src_factor < &blend_factors[num_factors]; ++alpha_src_factor) { 760 for(alpha_dst_factor = blend_factors; alpha_dst_factor <= alpha_src_factor; ++alpha_dst_factor) { 761 for(mode = 0; mode < 2; ++mode) { 762 for(type = blend_types; type < &blend_types[num_types]; ++type) { 763 764 if(*rgb_dst_factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || 765 *alpha_dst_factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE) 766 continue; 767 768 memset(&blend, 0, sizeof blend); 769 blend.rt[0].blend_enable = 1; 770 blend.rt[0].rgb_func = *rgb_func; 771 blend.rt[0].rgb_src_factor = *rgb_src_factor; 772 blend.rt[0].rgb_dst_factor = *rgb_dst_factor; 773 blend.rt[0].alpha_func = *alpha_func; 774 blend.rt[0].alpha_src_factor = *alpha_src_factor; 775 blend.rt[0].alpha_dst_factor = *alpha_dst_factor; 776 blend.rt[0].colormask = PIPE_MASK_RGBA; 777 778 if(!test_one(verbose, fp, &blend, mode, *type)) 779 success = FALSE; 780 781 } 782 } 783 } 784 } 785 } 786 } 787 } 788 } 789 790 return success; 791 } 792 793 794 boolean 795 test_some(unsigned verbose, FILE *fp, 796 unsigned long n) 797 { 798 const unsigned *rgb_func; 799 const unsigned *rgb_src_factor; 800 const unsigned *rgb_dst_factor; 801 const unsigned *alpha_func; 802 const unsigned *alpha_src_factor; 803 const unsigned *alpha_dst_factor; 804 struct pipe_blend_state blend; 805 enum vector_mode mode; 806 const struct lp_type *type; 807 unsigned long i; 808 boolean success = TRUE; 809 810 for(i = 0; i < n; ++i) { 811 rgb_func = &blend_funcs[rand() % num_funcs]; 812 alpha_func = &blend_funcs[rand() % num_funcs]; 813 rgb_src_factor = &blend_factors[rand() % num_factors]; 814 alpha_src_factor = &blend_factors[rand() % num_factors]; 815 816 do { 817 rgb_dst_factor = &blend_factors[rand() % num_factors]; 818 } while(*rgb_dst_factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE); 819 820 do { 821 alpha_dst_factor = &blend_factors[rand() % num_factors]; 822 } while(*alpha_dst_factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE); 823 824 mode = rand() & 1; 825 826 type = &blend_types[rand() % num_types]; 827 828 memset(&blend, 0, sizeof blend); 829 blend.rt[0].blend_enable = 1; 830 blend.rt[0].rgb_func = *rgb_func; 831 blend.rt[0].rgb_src_factor = *rgb_src_factor; 832 blend.rt[0].rgb_dst_factor = *rgb_dst_factor; 833 blend.rt[0].alpha_func = *alpha_func; 834 blend.rt[0].alpha_src_factor = *alpha_src_factor; 835 blend.rt[0].alpha_dst_factor = *alpha_dst_factor; 836 blend.rt[0].colormask = PIPE_MASK_RGBA; 837 838 if(!test_one(verbose, fp, &blend, mode, *type)) 839 success = FALSE; 840 } 841 842 return success; 843 } 844 845 846 boolean 847 test_single(unsigned verbose, FILE *fp) 848 { 849 printf("no test_single()"); 850 return TRUE; 851 } 852
