1import re 2import math 3import random 4 5PREAMBLE = """ 6# WARNING: This file is auto-generated. Do NOT modify it manually, but rather 7# modify the generating script file. Otherwise changes will be lost! 8"""[1:] 9 10class CaseGroup(object): 11 def __init__(self, name, description, children): 12 self.name = name 13 self.description = description 14 self.children = children 15 16class ShaderCase(object): 17 def __init__(self): 18 pass 19 20g_processedCases = {} 21 22def indentTextBlock(text, indent): 23 indentStr = indent * "\t" 24 lines = text.split("\n") 25 lines = [indentStr + line for line in lines] 26 lines = [ ["", line][line.strip() != ""] for line in lines] 27 return "\n".join(lines) 28 29def writeCase(f, case, indent, prefix): 30 print " %s" % (prefix + case.name) 31 if isinstance(case, CaseGroup): 32 f.write(indentTextBlock('group %s "%s"\n\n' % (case.name, case.description), indent)) 33 for child in case.children: 34 writeCase(f, child, indent + 1, prefix + case.name + ".") 35 f.write(indentTextBlock("\nend # %s\n" % case.name, indent)) 36 else: 37 # \todo [petri] Fix hack. 38 fullPath = prefix + case.name 39 assert (fullPath not in g_processedCases) 40 g_processedCases[fullPath] = None 41 f.write(indentTextBlock(str(case) + "\n", indent)) 42 43def writeAllCases(fileName, caseList): 44 # Write all cases to file. 45 print " %s.." % fileName 46 f = file(fileName, "wb") 47 f.write(PREAMBLE + "\n") 48 for case in caseList: 49 writeCase(f, case, 0, "") 50 f.close() 51 52 print "done! (%d cases written)" % len(g_processedCases) 53 54# Template operations. 55 56def genValues(inputs, outputs): 57 res = [] 58 for (name, values) in inputs: 59 res.append("input %s = [ %s ];" % (name, " | ".join([str(v) for v in values]).lower())) 60 for (name, values) in outputs: 61 res.append("output %s = [ %s ];" % (name, " | ".join([str(v) for v in values]).lower())) 62 return ("\n".join(res)) 63 64def fillTemplate(template, params): 65 s = template 66 67 for (key, value) in params.items(): 68 m = re.search(r"^(\s*)\$\{\{%s\}\}$" % key, s, re.M) 69 if m is not None: 70 start = m.start(0) 71 end = m.end(0) 72 ws = m.group(1) 73 if value is not None: 74 repl = "\n".join(["%s%s" % (ws, line) for line in value.split("\n")]) 75 s = s[:start] + repl + s[end:] 76 else: 77 s = s[:start] + s[end+1:] # drop the whole line 78 else: 79 s = s.replace("${{%s}}" % key, value) 80 return s 81 82# Return shuffled version of list 83def shuffled(lst): 84 tmp = lst[:] 85 random.shuffle(tmp) 86 return tmp 87 88def repeatToLength(lst, toLength): 89 return (toLength / len(lst)) * lst + lst[: toLength % len(lst)] 90 91# Helpers to convert a list of Scalar/Vec values into another type. 92 93def toFloat(lst): return [Scalar(float(v.x)) for v in lst] 94def toInt(lst): return [Scalar(int(v.x)) for v in lst] 95def toUint(lst): return [Uint(int(v.x)) for v in lst] 96def toBool(lst): return [Scalar(bool(v.x)) for v in lst] 97def toVec4(lst): return [v.toFloat().toVec4() for v in lst] 98def toVec3(lst): return [v.toFloat().toVec3() for v in lst] 99def toVec2(lst): return [v.toFloat().toVec2() for v in lst] 100def toIVec4(lst): return [v.toInt().toVec4() for v in lst] 101def toIVec3(lst): return [v.toInt().toVec3() for v in lst] 102def toIVec2(lst): return [v.toInt().toVec2() for v in lst] 103def toBVec4(lst): return [v.toBool().toVec4() for v in lst] 104def toBVec3(lst): return [v.toBool().toVec3() for v in lst] 105def toBVec2(lst): return [v.toBool().toVec2() for v in lst] 106def toUVec4(lst): return [v.toUint().toUVec4() for v in lst] 107def toUVec3(lst): return [v.toUint().toUVec3() for v in lst] 108def toUVec2(lst): return [v.toUint().toUVec2() for v in lst] 109def toMat2(lst): return [v.toMat2() for v in lst] 110def toMat2x3(lst): return [v.toMat2x3() for v in lst] 111def toMat2x4(lst): return [v.toMat2x4() for v in lst] 112def toMat3x2(lst): return [v.toMat3x2() for v in lst] 113def toMat3(lst): return [v.toMat3() for v in lst] 114def toMat3x4(lst): return [v.toMat3x4() for v in lst] 115def toMat4x2(lst): return [v.toMat4x2() for v in lst] 116def toMat4x3(lst): return [v.toMat4x3() for v in lst] 117def toMat4(lst): return [v.toMat4() for v in lst] 118 119# Random value generation. 120 121class GenRandom(object): 122 def __init__(self): 123 pass 124 125 def uniformVec4(self, count, mn, mx): 126 ret = [Vec4(random.uniform(mn, mx), random.uniform(mn, mx), random.uniform(mn, mx), random.uniform(mn, mx)) for x in xrange(count)] 127 ret[0].x = mn 128 ret[1].x = mx 129 ret[2].x = (mn + mx) * 0.5 130 return ret 131 132 def uniformBVec4(self, count): 133 ret = [Vec4(random.random() >= 0.5, random.random() >= 0.5, random.random() >= 0.5, random.random() >= 0.5) for x in xrange(count)] 134 ret[0].x = True 135 ret[1].x = False 136 return ret 137 138# def uniform(self, 139 140# Math operating on Scalar/Vector types. 141 142def glslSign(a): return 0.0 if (a == 0) else +1.0 if (a > 0.0) else -1.0 143def glslMod(x, y): return x - y*math.floor(x/y) 144def glslClamp(x, mn, mx): return mn if (x < mn) else mx if (x > mx) else x 145 146class GenMath(object): 147 @staticmethod 148 def unary(func): return lambda val: val.applyUnary(func) 149 150 @staticmethod 151 def binary(func): return lambda a, b: (b.expandVec(a)).applyBinary(func, a.expandVec(b)) 152 153 @staticmethod 154 def frac(val): return val.applyUnary(lambda x: x - math.floor(x)) 155 156 @staticmethod 157 def exp2(val): return val.applyUnary(lambda x: math.pow(2.0, x)) 158 159 @staticmethod 160 def log2(val): return val.applyUnary(lambda x: math.log(x, 2.0)) 161 162 @staticmethod 163 def rsq(val): return val.applyUnary(lambda x: 1.0 / math.sqrt(x)) 164 165 @staticmethod 166 def sign(val): return val.applyUnary(glslSign) 167 168 @staticmethod 169 def isEqual(a, b): return Scalar(a.isEqual(b)) 170 171 @staticmethod 172 def isNotEqual(a, b): return Scalar(not a.isEqual(b)) 173 174 @staticmethod 175 def step(a, b): return (b.expandVec(a)).applyBinary(lambda edge, x: [1.0, 0.0][x < edge], a.expandVec(b)) 176 177 @staticmethod 178 def length(a): return a.length() 179 180 @staticmethod 181 def distance(a, b): return a.distance(b) 182 183 @staticmethod 184 def dot(a, b): return a.dot(b) 185 186 @staticmethod 187 def cross(a, b): return a.cross(b) 188 189 @staticmethod 190 def normalize(a): return a.normalize() 191 192 @staticmethod 193 def boolAny(a): return a.boolAny() 194 195 @staticmethod 196 def boolAll(a): return a.boolAll() 197 198 @staticmethod 199 def boolNot(a): return a.boolNot() 200 201 @staticmethod 202 def abs(a): return a.abs() 203 204# .. 205 206class Scalar(object): 207 def __init__(self, x): 208 self.x = x 209 210 def applyUnary(self, func): return Scalar(func(self.x)) 211 def applyBinary(self, func, other): return Scalar(func(self.x, other.x)) 212 213 def isEqual(self, other): assert isinstance(other, Scalar); return (self.x == other.x) 214 215 def expandVec(self, val): return val 216 def toScalar(self): return Scalar(self.x) 217 def toVec2(self): return Vec2(self.x, self.x) 218 def toVec3(self): return Vec3(self.x, self.x, self.x) 219 def toVec4(self): return Vec4(self.x, self.x, self.x, self.x) 220 def toUVec2(self): return UVec2(self.x, self.x) 221 def toUVec3(self): return UVec3(self.x, self.x, self.x) 222 def toUVec4(self): return UVec4(self.x, self.x, self.x, self.x) 223 def toMat2(self): return Mat.fromScalar(2, 2, float(self.x)) 224 def toMat2x3(self): return Mat.fromScalar(2, 3, float(self.x)) 225 def toMat2x4(self): return Mat.fromScalar(2, 4, float(self.x)) 226 def toMat3x2(self): return Mat.fromScalar(3, 2, float(self.x)) 227 def toMat3(self): return Mat.fromScalar(3, 3, float(self.x)) 228 def toMat3x4(self): return Mat.fromScalar(3, 4, float(self.x)) 229 def toMat4x2(self): return Mat.fromScalar(4, 2, float(self.x)) 230 def toMat4x3(self): return Mat.fromScalar(4, 3, float(self.x)) 231 def toMat4(self): return Mat.fromScalar(4, 4, float(self.x)) 232 233 def toFloat(self): return Scalar(float(self.x)) 234 def toInt(self): return Scalar(int(self.x)) 235 def toUint(self): return Uint(int(self.x)) 236 def toBool(self): return Scalar(bool(self.x)) 237 238 def getNumScalars(self): return 1 239 def getScalars(self): return [self.x] 240 241 def typeString(self): 242 if isinstance(self.x, bool): 243 return "bool" 244 elif isinstance(self.x, int): 245 return "int" 246 elif isinstance(self.x, float): 247 return "float" 248 else: 249 assert False 250 251 def vec4Swizzle(self): 252 return "" 253 254 def __str__(self): 255 return str(self.x).lower() 256 257 def __float__(self): 258 return float(self.x) 259 260 def length(self): 261 return Scalar(abs(self.x)) 262 263 def distance(self, v): 264 assert isinstance(v, Scalar) 265 return Scalar(abs(self.x - v.x)) 266 267 def dot(self, v): 268 assert isinstance(v, Scalar) 269 return Scalar(self.x * v.x) 270 271 def normalize(self): 272 return Scalar(glslSign(self.x)) 273 274 def abs(self): 275 if isinstance(self.x, bool): 276 return Scalar(self.x) 277 else: 278 return Scalar(abs(self.x)) 279 280 def __neg__(self): 281 return Scalar(-self.x) 282 283 def __add__(self, val): 284 assert isinstance(val, Scalar) 285 return Scalar(self.x + val.x) 286 287 def __sub__(self, val): 288 return self + (-val) 289 290 def __mul__(self, val): 291 if isinstance(val, Scalar): 292 return Scalar(self.x * val.x) 293 elif isinstance(val, Vec2): 294 return Vec2(self.x * val.x, self.x * val.y) 295 elif isinstance(val, Vec3): 296 return Vec3(self.x * val.x, self.x * val.y, self.x * val.z) 297 elif isinstance(val, Vec4): 298 return Vec4(self.x * val.x, self.x * val.y, self.x * val.z, self.x * val.w) 299 else: 300 assert False 301 302 def __div__(self, val): 303 if isinstance(val, Scalar): 304 return Scalar(self.x / val.x) 305 elif isinstance(val, Vec2): 306 return Vec2(self.x / val.x, self.x / val.y) 307 elif isinstance(val, Vec3): 308 return Vec3(self.x / val.x, self.x / val.y, self.x / val.z) 309 elif isinstance(val, Vec4): 310 return Vec4(self.x / val.x, self.x / val.y, self.x / val.z, self.x / val.w) 311 else: 312 assert False 313 314class Uint(Scalar): 315 def __init__(self, x): 316 assert x >= 0 317 self.x = x 318 319 def typeString(self): 320 return "uint" 321 322 def abs(self): 323 return Scalar.abs(self).toUint() 324 325 def __neg__(self): 326 return Scalar.__neg__(self).toUint() 327 328 def __add__(self, val): 329 return Scalar.__add__(self, val).toUint() 330 331 def __sub__(self, val): 332 return self + (-val) 333 334 def __mul__(self, val): 335 return Scalar.__mul__(self, val).toUint() 336 337 def __div__(self, val): 338 return Scalar.__div__(self, val).toUint() 339 340class Vec(object): 341 @staticmethod 342 def fromScalarList(lst): 343 assert (len(lst) >= 1 and len(lst) <= 4) 344 if (len(lst) == 1): return Scalar(lst[0]) 345 elif (len(lst) == 2): return Vec2(lst[0], lst[1]) 346 elif (len(lst) == 3): return Vec3(lst[0], lst[1], lst[2]) 347 else: return Vec4(lst[0], lst[1], lst[2], lst[3]) 348 349 def isEqual(self, other): 350 assert isinstance(other, Vec); 351 return (self.getScalars() == other.getScalars()) 352 353 def length(self): 354 return Scalar(math.sqrt(self.dot(self).x)) 355 356 def normalize(self): 357 return self * Scalar(1.0 / self.length().x) 358 359 def swizzle(self, indexList): 360 inScalars = self.getScalars() 361 outScalars = map(lambda ndx: inScalars[ndx], indexList) 362 return Vec.fromScalarList(outScalars) 363 364 def __init__(self): 365 pass 366 367class Vec2(Vec): 368 def __init__(self, x, y): 369 assert(x.__class__ == y.__class__) 370 self.x = x 371 self.y = y 372 373 def applyUnary(self, func): return Vec2(func(self.x), func(self.y)) 374 def applyBinary(self, func, other): return Vec2(func(self.x, other.x), func(self.y, other.y)) 375 376 def expandVec(self, val): return val.toVec2() 377 def toScalar(self): return Scalar(self.x) 378 def toVec2(self): return Vec2(self.x, self.y) 379 def toVec3(self): return Vec3(self.x, self.y, 0.0) 380 def toVec4(self): return Vec4(self.x, self.y, 0.0, 0.0) 381 def toUVec2(self): return UVec2(self.x, self.y) 382 def toUVec3(self): return UVec3(self.x, self.y, 0.0) 383 def toUVec4(self): return UVec4(self.x, self.y, 0.0, 0.0) 384 def toMat2(self): return Mat2(float(self.x), 0.0, 0.0, float(self.y)); 385 386 def toFloat(self): return Vec2(float(self.x), float(self.y)) 387 def toInt(self): return Vec2(int(self.x), int(self.y)) 388 def toUint(self): return UVec2(int(self.x), int(self.y)) 389 def toBool(self): return Vec2(bool(self.x), bool(self.y)) 390 391 def getNumScalars(self): return 2 392 def getScalars(self): return [self.x, self.y] 393 394 def typeString(self): 395 if isinstance(self.x, bool): 396 return "bvec2" 397 elif isinstance(self.x, int): 398 return "ivec2" 399 elif isinstance(self.x, float): 400 return "vec2" 401 else: 402 assert False 403 404 def vec4Swizzle(self): 405 return ".xyxy" 406 407 def __str__(self): 408 if isinstance(self.x, bool): 409 return "bvec2(%s, %s)" % (str(self.x).lower(), str(self.y).lower()) 410 elif isinstance(self.x, int): 411 return "ivec2(%i, %i)" % (self.x, self.y) 412 elif isinstance(self.x, float): 413 return "vec2(%s, %s)" % (self.x, self.y) 414 else: 415 assert False 416 417 def distance(self, v): 418 assert isinstance(v, Vec2) 419 return (self - v).length() 420 421 def dot(self, v): 422 assert isinstance(v, Vec2) 423 return Scalar(self.x*v.x + self.y*v.y) 424 425 def abs(self): 426 if isinstance(self.x, bool): 427 return Vec2(self.x, self.y) 428 else: 429 return Vec2(abs(self.x), abs(self.y)) 430 431 def __neg__(self): 432 return Vec2(-self.x, -self.y) 433 434 def __add__(self, val): 435 if isinstance(val, Scalar): 436 return Vec2(self.x + val, self.y + val) 437 elif isinstance(val, Vec2): 438 return Vec2(self.x + val.x, self.y + val.y) 439 else: 440 assert False 441 442 def __sub__(self, val): 443 return self + (-val) 444 445 def __mul__(self, val): 446 if isinstance(val, Scalar): 447 val = val.toVec2() 448 assert isinstance(val, Vec2) 449 return Vec2(self.x * val.x, self.y * val.y) 450 451 def __div__(self, val): 452 if isinstance(val, Scalar): 453 return Vec2(self.x / val.x, self.y / val.x) 454 else: 455 assert isinstance(val, Vec2) 456 return Vec2(self.x / val.x, self.y / val.y) 457 458 def boolAny(self): return Scalar(self.x or self.y) 459 def boolAll(self): return Scalar(self.x and self.y) 460 def boolNot(self): return Vec2(not self.x, not self.y) 461 462class UVec2(Vec2): 463 def __init__(self, x, y): 464 assert isinstance(x, int) and isinstance(y, int) 465 assert x >= 0 and y >= 0 466 Vec2.__init__(self, x, y) 467 468 def typeString(self): 469 return "uvec2" 470 471 def __str__(self): 472 return "uvec2(%i, %i)" % (self.x, self.y) 473 474 def abs(self): 475 return Vec2.abs(self).toUint() 476 477class Vec3(Vec): 478 def __init__(self, x, y, z): 479 assert((x.__class__ == y.__class__) and (x.__class__ == z.__class__)) 480 self.x = x 481 self.y = y 482 self.z = z 483 484 def applyUnary(self, func): return Vec3(func(self.x), func(self.y), func(self.z)) 485 def applyBinary(self, func, other): return Vec3(func(self.x, other.x), func(self.y, other.y), func(self.z, other.z)) 486 487 def expandVec(self, val): return val.toVec3() 488 def toScalar(self): return Scalar(self.x) 489 def toVec2(self): return Vec2(self.x, self.y) 490 def toVec3(self): return Vec3(self.x, self.y, self.z) 491 def toVec4(self): return Vec4(self.x, self.y, self.z, 0.0) 492 def toUVec2(self): return UVec2(self.x, self.y) 493 def toUVec3(self): return UVec3(self.x, self.y, self.z) 494 def toUVec4(self): return UVec4(self.x, self.y, self.z, 0.0) 495 def toMat3(self): return Mat3(float(self.x), 0.0, 0.0, 0.0, float(self.y), 0.0, 0.0, 0.0, float(self.z)); 496 497 def toFloat(self): return Vec3(float(self.x), float(self.y), float(self.z)) 498 def toInt(self): return Vec3(int(self.x), int(self.y), int(self.z)) 499 def toUint(self): return UVec3(int(self.x), int(self.y), int(self.z)) 500 def toBool(self): return Vec3(bool(self.x), bool(self.y), bool(self.z)) 501 502 def getNumScalars(self): return 3 503 def getScalars(self): return [self.x, self.y, self.z] 504 505 def typeString(self): 506 if isinstance(self.x, bool): 507 return "bvec3" 508 elif isinstance(self.x, int): 509 return "ivec3" 510 elif isinstance(self.x, float): 511 return "vec3" 512 else: 513 assert False 514 515 def vec4Swizzle(self): 516 return ".xyzx" 517 518 def __str__(self): 519 if isinstance(self.x, bool): 520 return "bvec3(%s, %s, %s)" % (str(self.x).lower(), str(self.y).lower(), str(self.z).lower()) 521 elif isinstance(self.x, int): 522 return "ivec3(%i, %i, %i)" % (self.x, self.y, self.z) 523 elif isinstance(self.x, float): 524 return "vec3(%s, %s, %s)" % (self.x, self.y, self.z) 525 else: 526 assert False 527 528 def distance(self, v): 529 assert isinstance(v, Vec3) 530 return (self - v).length() 531 532 def dot(self, v): 533 assert isinstance(v, Vec3) 534 return Scalar(self.x*v.x + self.y*v.y + self.z*v.z) 535 536 def cross(self, v): 537 assert isinstance(v, Vec3) 538 return Vec3(self.y*v.z - v.y*self.z, 539 self.z*v.x - v.z*self.x, 540 self.x*v.y - v.x*self.y) 541 542 def abs(self): 543 if isinstance(self.x, bool): 544 return Vec3(self.x, self.y, self.z) 545 else: 546 return Vec3(abs(self.x), abs(self.y), abs(self.z)) 547 548 def __neg__(self): 549 return Vec3(-self.x, -self.y, -self.z) 550 551 def __add__(self, val): 552 if isinstance(val, Scalar): 553 return Vec3(self.x + val, self.y + val) 554 elif isinstance(val, Vec3): 555 return Vec3(self.x + val.x, self.y + val.y, self.z + val.z) 556 else: 557 assert False 558 559 def __sub__(self, val): 560 return self + (-val) 561 562 def __mul__(self, val): 563 if isinstance(val, Scalar): 564 val = val.toVec3() 565 assert isinstance(val, Vec3) 566 return Vec3(self.x * val.x, self.y * val.y, self.z * val.z) 567 568 def __div__(self, val): 569 if isinstance(val, Scalar): 570 return Vec3(self.x / val.x, self.y / val.x, self.z / val.x) 571 elif isinstance(val, Vec3): 572 return Vec3(self.x / val.x, self.y / val.y, self.z / val.z) 573 else: 574 assert False 575 576 def boolAny(self): return Scalar(self.x or self.y or self.z) 577 def boolAll(self): return Scalar(self.x and self.y and self.z) 578 def boolNot(self): return Vec3(not self.x, not self.y, not self.z) 579 580class UVec3(Vec3): 581 def __init__(self, x, y, z): 582 assert isinstance(x, int) and isinstance(y, int) and isinstance(z, int) 583 assert x >= 0 and y >= 0 and z >= 0 584 Vec3.__init__(self, x, y, z) 585 586 def typeString(self): 587 return "uvec3" 588 589 def __str__(self): 590 return "uvec3(%i, %i, %i)" % (self.x, self.y, self.z) 591 592 def abs(self): 593 return Vec3.abs(self).toUint() 594 595class Vec4(Vec): 596 def __init__(self, x, y, z, w): 597 assert((x.__class__ == y.__class__) and (x.__class__ == z.__class__) and (x.__class__ == w.__class__)) 598 self.x = x 599 self.y = y 600 self.z = z 601 self.w = w 602 603 def applyUnary(self, func): return Vec4(func(self.x), func(self.y), func(self.z), func(self.w)) 604 def applyBinary(self, func, other): return Vec4(func(self.x, other.x), func(self.y, other.y), func(self.z, other.z), func(self.w, other.w)) 605 606 def expandVec(self, val): return val.toVec4() 607 def toScalar(self): return Scalar(self.x) 608 def toVec2(self): return Vec2(self.x, self.y) 609 def toVec3(self): return Vec3(self.x, self.y, self.z) 610 def toVec4(self): return Vec4(self.x, self.y, self.z, self.w) 611 def toUVec2(self): return UVec2(self.x, self.y) 612 def toUVec3(self): return UVec3(self.x, self.y, self.z) 613 def toUVec4(self): return UVec4(self.x, self.y, self.z, self.w) 614 def toMat2(self): return Mat2(float(self.x), float(self.y), float(self.z), float(self.w)) 615 def toMat4(self): return Mat4(float(self.x), 0.0, 0.0, 0.0, 0.0, float(self.y), 0.0, 0.0, 0.0, 0.0, float(self.z), 0.0, 0.0, 0.0, 0.0, float(self.w)); 616 617 def toFloat(self): return Vec4(float(self.x), float(self.y), float(self.z), float(self.w)) 618 def toInt(self): return Vec4(int(self.x), int(self.y), int(self.z), int(self.w)) 619 def toUint(self): return UVec4(int(self.x), int(self.y), int(self.z), int(self.w)) 620 def toBool(self): return Vec4(bool(self.x), bool(self.y), bool(self.z), bool(self.w)) 621 622 def getNumScalars(self): return 4 623 def getScalars(self): return [self.x, self.y, self.z, self.w] 624 625 def typeString(self): 626 if isinstance(self.x, bool): 627 return "bvec4" 628 elif isinstance(self.x, int): 629 return "ivec4" 630 elif isinstance(self.x, float): 631 return "vec4" 632 else: 633 assert False 634 635 def vec4Swizzle(self): 636 return "" 637 638 def __str__(self): 639 if isinstance(self.x, bool): 640 return "bvec4(%s, %s, %s, %s)" % (str(self.x).lower(), str(self.y).lower(), str(self.z).lower(), str(self.w).lower()) 641 elif isinstance(self.x, int): 642 return "ivec4(%i, %i, %i, %i)" % (self.x, self.y, self.z, self.w) 643 elif isinstance(self.x, float): 644 return "vec4(%s, %s, %s, %s)" % (self.x, self.y, self.z, self.w) 645 else: 646 assert False 647 648 def distance(self, v): 649 assert isinstance(v, Vec4) 650 return (self - v).length() 651 652 def dot(self, v): 653 assert isinstance(v, Vec4) 654 return Scalar(self.x*v.x + self.y*v.y + self.z*v.z + self.w*v.w) 655 656 def abs(self): 657 if isinstance(self.x, bool): 658 return Vec4(self.x, self.y, self.z, self.w) 659 else: 660 return Vec4(abs(self.x), abs(self.y), abs(self.z), abs(self.w)) 661 662 def __neg__(self): 663 return Vec4(-self.x, -self.y, -self.z, -self.w) 664 665 def __add__(self, val): 666 if isinstance(val, Scalar): 667 return Vec3(self.x + val, self.y + val) 668 elif isinstance(val, Vec4): 669 return Vec4(self.x + val.x, self.y + val.y, self.z + val.z, self.w + val.w) 670 else: 671 assert False 672 673 def __sub__(self, val): 674 return self + (-val) 675 676 def __mul__(self, val): 677 if isinstance(val, Scalar): 678 val = val.toVec4() 679 assert isinstance(val, Vec4) 680 return Vec4(self.x * val.x, self.y * val.y, self.z * val.z, self.w * val.w) 681 682 def __div__(self, val): 683 if isinstance(val, Scalar): 684 return Vec4(self.x / val.x, self.y / val.x, self.z / val.x, self.w / val.x) 685 elif isinstance(val, Vec4): 686 return Vec4(self.x / val.x, self.y / val.y, self.z / val.z, self.w / val.w) 687 else: 688 assert False 689 690 def boolAny(self): return Scalar(self.x or self.y or self.z or self.w) 691 def boolAll(self): return Scalar(self.x and self.y and self.z and self.w) 692 def boolNot(self): return Vec4(not self.x, not self.y, not self.z, not self.w) 693 694class UVec4(Vec4): 695 def __init__(self, x, y, z, w): 696 assert isinstance(x, int) and isinstance(y, int) and isinstance(z, int) and isinstance(w, int) 697 assert x >= 0 and y >= 0 and z >= 0 and w >= 0 698 Vec4.__init__(self, x, y, z, w) 699 700 def typeString(self): 701 return "uvec4" 702 703 def __str__(self): 704 return "uvec4(%i, %i, %i, %i)" % (self.x, self.y, self.z, self.w) 705 706 def abs(self): 707 return Vec4.abs(self).toUint() 708 709# \note Column-major storage. 710class Mat(object): 711 def __init__ (self, numCols, numRows, scalars): 712 assert len(scalars) == numRows*numCols 713 self.numCols = numCols 714 self.numRows = numRows 715 self.scalars = scalars 716 717 @staticmethod 718 def fromScalar (numCols, numRows, scalar): 719 scalars = [] 720 for col in range(0, numCols): 721 for row in range(0, numRows): 722 scalars.append(scalar if col == row else 0.0) 723 return Mat(numCols, numRows, scalars) 724 725 @staticmethod 726 def identity (numCols, numRows): 727 return Mat.fromScalar(numCols, numRows, 1.0) 728 729 def get (self, colNdx, rowNdx): 730 assert 0 <= colNdx and colNdx < self.numCols 731 assert 0 <= rowNdx and rowNdx < self.numRows 732 return self.scalars[colNdx*self.numRows + rowNdx] 733 734 def set (self, colNdx, rowNdx, scalar): 735 assert 0 <= colNdx and colNdx < self.numCols 736 assert 0 <= rowNdx and rowNdx < self.numRows 737 self.scalars[colNdx*self.numRows + rowNdx] = scalar 738 739 def toMatrix (self, numCols, numRows): 740 res = Mat.identity(numCols, numRows) 741 for col in range(0, min(self.numCols, numCols)): 742 for row in range(0, min(self.numRows, numRows)): 743 res.set(col, row, self.get(col, row)) 744 return res 745 746 def toMat2 (self): return self.toMatrix(2, 2) 747 def toMat2x3 (self): return self.toMatrix(2, 3) 748 def toMat2x4 (self): return self.toMatrix(2, 4) 749 def toMat3x2 (self): return self.toMatrix(3, 2) 750 def toMat3 (self): return self.toMatrix(3, 3) 751 def toMat3x4 (self): return self.toMatrix(3, 4) 752 def toMat4x2 (self): return self.toMatrix(4, 2) 753 def toMat4x3 (self): return self.toMatrix(4, 3) 754 def toMat4 (self): return self.toMatrix(4, 4) 755 756 def typeString(self): 757 if self.numRows == self.numCols: 758 return "mat%d" % self.numRows 759 else: 760 return "mat%dx%d" % (self.numCols, self.numRows) 761 762 def __str__(self): 763 return "%s(%s)" % (self.typeString(), ", ".join(["%s" % s for s in self.scalars])) 764 765 def isTypeEqual (self, other): 766 return isinstance(other, Mat) and self.numRows == other.numRows and self.numCols == other.numCols 767 768 def isEqual(self, other): 769 assert self.isTypeEqual(other) 770 return (self.scalars == other.scalars) 771 772 def compMul(self, val): 773 assert self.isTypeEqual(val) 774 return Mat(self.numRows, self.numCols, [self.scalars(i) * val.scalars(i) for i in range(self.numRows*self.numCols)]) 775 776class Mat2(Mat): 777 def __init__(self, m00, m01, m10, m11): 778 Mat.__init__(self, 2, 2, [m00, m10, m01, m11]) 779 780class Mat3(Mat): 781 def __init__(self, m00, m01, m02, m10, m11, m12, m20, m21, m22): 782 Mat.__init__(self, 3, 3, [m00, m10, m20, 783 m01, m11, m21, 784 m02, m12, m22]) 785 786class Mat4(Mat): 787 def __init__(self, m00, m01, m02, m03, m10, m11, m12, m13, m20, m21, m22, m23, m30, m31, m32, m33): 788 Mat.__init__(self, 4, 4, [m00, m10, m20, m30, 789 m01, m11, m21, m31, 790 m02, m12, m22, m32, 791 m03, m13, m23, m33]) 792