1 /* 2 * Copyright 2015 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkTableColorFilter.h" 9 #include "SkPM4f.h" 10 #include "SkArenaAlloc.h" 11 #include "SkBitmap.h" 12 #include "SkColorPriv.h" 13 #include "SkRasterPipeline.h" 14 #include "SkReadBuffer.h" 15 #include "SkString.h" 16 #include "SkUnPreMultiply.h" 17 #include "SkWriteBuffer.h" 18 19 static const uint8_t gIdentityTable[] = { 20 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 21 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 22 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 23 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 24 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 25 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 26 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 27 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 28 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 29 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 30 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 31 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 32 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 33 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 34 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 35 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, 36 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 37 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 38 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 39 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, 40 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 41 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 42 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 43 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 44 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 45 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 46 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 47 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 48 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 49 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 50 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 51 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF 52 }; 53 54 class SkTable_ColorFilter : public SkColorFilter { 55 public: 56 SkTable_ColorFilter(const uint8_t tableA[], const uint8_t tableR[], 57 const uint8_t tableG[], const uint8_t tableB[]) { 58 fBitmap = nullptr; 59 fFlags = 0; 60 61 uint8_t* dst = fStorage; 62 if (tableA) { 63 memcpy(dst, tableA, 256); 64 dst += 256; 65 fFlags |= kA_Flag; 66 } 67 if (tableR) { 68 memcpy(dst, tableR, 256); 69 dst += 256; 70 fFlags |= kR_Flag; 71 } 72 if (tableG) { 73 memcpy(dst, tableG, 256); 74 dst += 256; 75 fFlags |= kG_Flag; 76 } 77 if (tableB) { 78 memcpy(dst, tableB, 256); 79 fFlags |= kB_Flag; 80 } 81 } 82 83 ~SkTable_ColorFilter() override { delete fBitmap; } 84 85 bool asComponentTable(SkBitmap* table) const override; 86 sk_sp<SkColorFilter> makeComposed(sk_sp<SkColorFilter> inner) const override; 87 88 #if SK_SUPPORT_GPU 89 sk_sp<GrFragmentProcessor> asFragmentProcessor(GrContext*, SkColorSpace*) const override; 90 #endif 91 92 SK_TO_STRING_OVERRIDE() 93 94 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTable_ColorFilter) 95 96 enum { 97 kA_Flag = 1 << 0, 98 kR_Flag = 1 << 1, 99 kG_Flag = 1 << 2, 100 kB_Flag = 1 << 3, 101 }; 102 103 void onAppendStages(SkRasterPipeline* p, SkColorSpace*, SkArenaAlloc* alloc, 104 bool shaderIsOpaque) const override { 105 const uint8_t *r = gIdentityTable, 106 *g = gIdentityTable, 107 *b = gIdentityTable, 108 *a = gIdentityTable; 109 const uint8_t* ptr = fStorage; 110 if (fFlags & kA_Flag) { a = ptr; ptr += 256; } 111 if (fFlags & kR_Flag) { r = ptr; ptr += 256; } 112 if (fFlags & kG_Flag) { g = ptr; ptr += 256; } 113 if (fFlags & kB_Flag) { b = ptr; } 114 115 if (!shaderIsOpaque) { 116 p->append(SkRasterPipeline::unpremul); 117 } 118 119 struct Tables { const uint8_t *r, *g, *b, *a; }; 120 p->append(SkRasterPipeline::byte_tables, alloc->make<Tables>(Tables{r,g,b,a})); 121 122 bool definitelyOpaque = shaderIsOpaque && a[0xff] == 0xff; 123 if (!definitelyOpaque) { 124 p->append(SkRasterPipeline::premul); 125 } 126 } 127 128 protected: 129 void flatten(SkWriteBuffer&) const override; 130 131 private: 132 mutable const SkBitmap* fBitmap; // lazily allocated 133 134 uint8_t fStorage[256 * 4]; 135 unsigned fFlags; 136 137 friend class SkTableColorFilter; 138 139 typedef SkColorFilter INHERITED; 140 }; 141 142 #ifndef SK_IGNORE_TO_STRING 143 void SkTable_ColorFilter::toString(SkString* str) const { 144 const uint8_t* table = fStorage; 145 const uint8_t* tableA = gIdentityTable; 146 const uint8_t* tableR = gIdentityTable; 147 const uint8_t* tableG = gIdentityTable; 148 const uint8_t* tableB = gIdentityTable; 149 if (fFlags & kA_Flag) { 150 tableA = table; table += 256; 151 } 152 if (fFlags & kR_Flag) { 153 tableR = table; table += 256; 154 } 155 if (fFlags & kG_Flag) { 156 tableG = table; table += 256; 157 } 158 if (fFlags & kB_Flag) { 159 tableB = table; 160 } 161 162 str->append("SkTable_ColorFilter ("); 163 164 for (int i = 0; i < 256; ++i) { 165 str->appendf("%d: %d,%d,%d,%d\n", 166 i, tableR[i], tableG[i], tableB[i], tableA[i]); 167 } 168 169 str->append(")"); 170 } 171 #endif 172 173 static const uint8_t gCountNibBits[] = { 174 0, 1, 1, 2, 175 1, 2, 2, 3, 176 1, 2, 2, 3, 177 2, 3, 3, 4 178 }; 179 180 #include "SkPackBits.h" 181 182 void SkTable_ColorFilter::flatten(SkWriteBuffer& buffer) const { 183 uint8_t storage[5*256]; 184 int count = gCountNibBits[fFlags & 0xF]; 185 size_t size = SkPackBits::Pack8(fStorage, count * 256, storage, 186 sizeof(storage)); 187 188 buffer.write32(fFlags); 189 buffer.writeByteArray(storage, size); 190 } 191 192 sk_sp<SkFlattenable> SkTable_ColorFilter::CreateProc(SkReadBuffer& buffer) { 193 const int flags = buffer.read32(); 194 const size_t count = gCountNibBits[flags & 0xF]; 195 SkASSERT(count <= 4); 196 197 uint8_t packedStorage[5*256]; 198 size_t packedSize = buffer.getArrayCount(); 199 if (!buffer.validate(packedSize <= sizeof(packedStorage))) { 200 return nullptr; 201 } 202 if (!buffer.readByteArray(packedStorage, packedSize)) { 203 return nullptr; 204 } 205 206 uint8_t unpackedStorage[4*256]; 207 size_t unpackedSize = SkPackBits::Unpack8(packedStorage, packedSize, 208 unpackedStorage, sizeof(unpackedStorage)); 209 // now check that we got the size we expected 210 if (!buffer.validate(unpackedSize == count*256)) { 211 return nullptr; 212 } 213 214 const uint8_t* a = nullptr; 215 const uint8_t* r = nullptr; 216 const uint8_t* g = nullptr; 217 const uint8_t* b = nullptr; 218 const uint8_t* ptr = unpackedStorage; 219 220 if (flags & kA_Flag) { 221 a = ptr; 222 ptr += 256; 223 } 224 if (flags & kR_Flag) { 225 r = ptr; 226 ptr += 256; 227 } 228 if (flags & kG_Flag) { 229 g = ptr; 230 ptr += 256; 231 } 232 if (flags & kB_Flag) { 233 b = ptr; 234 ptr += 256; 235 } 236 return SkTableColorFilter::MakeARGB(a, r, g, b); 237 } 238 239 bool SkTable_ColorFilter::asComponentTable(SkBitmap* table) const { 240 if (table) { 241 if (nullptr == fBitmap) { 242 SkBitmap* bmp = new SkBitmap; 243 bmp->allocPixels(SkImageInfo::MakeA8(256, 4)); 244 uint8_t* bitmapPixels = bmp->getAddr8(0, 0); 245 int offset = 0; 246 static const unsigned kFlags[] = { kA_Flag, kR_Flag, kG_Flag, kB_Flag }; 247 248 for (int x = 0; x < 4; ++x) { 249 if (!(fFlags & kFlags[x])) { 250 memcpy(bitmapPixels, gIdentityTable, sizeof(gIdentityTable)); 251 } else { 252 memcpy(bitmapPixels, fStorage + offset, 256); 253 offset += 256; 254 } 255 bitmapPixels += 256; 256 } 257 fBitmap = bmp; 258 } 259 *table = *fBitmap; 260 } 261 return true; 262 } 263 264 // Combines the two lookup tables so that making a lookup using res[] has 265 // the same effect as making a lookup through inner[] then outer[]. 266 static void combine_tables(uint8_t res[256], const uint8_t outer[256], const uint8_t inner[256]) { 267 for (int i = 0; i < 256; i++) { 268 res[i] = outer[inner[i]]; 269 } 270 } 271 272 sk_sp<SkColorFilter> SkTable_ColorFilter::makeComposed(sk_sp<SkColorFilter> innerFilter) const { 273 SkBitmap innerBM; 274 if (!innerFilter->asComponentTable(&innerBM)) { 275 return nullptr; 276 } 277 278 if (nullptr == innerBM.getPixels()) { 279 return nullptr; 280 } 281 282 const uint8_t* table = fStorage; 283 const uint8_t* tableA = gIdentityTable; 284 const uint8_t* tableR = gIdentityTable; 285 const uint8_t* tableG = gIdentityTable; 286 const uint8_t* tableB = gIdentityTable; 287 if (fFlags & kA_Flag) { 288 tableA = table; table += 256; 289 } 290 if (fFlags & kR_Flag) { 291 tableR = table; table += 256; 292 } 293 if (fFlags & kG_Flag) { 294 tableG = table; table += 256; 295 } 296 if (fFlags & kB_Flag) { 297 tableB = table; 298 } 299 300 uint8_t concatA[256]; 301 uint8_t concatR[256]; 302 uint8_t concatG[256]; 303 uint8_t concatB[256]; 304 305 combine_tables(concatA, tableA, innerBM.getAddr8(0, 0)); 306 combine_tables(concatR, tableR, innerBM.getAddr8(0, 1)); 307 combine_tables(concatG, tableG, innerBM.getAddr8(0, 2)); 308 combine_tables(concatB, tableB, innerBM.getAddr8(0, 3)); 309 310 return SkTableColorFilter::MakeARGB(concatA, concatR, concatG, concatB); 311 } 312 313 #if SK_SUPPORT_GPU 314 315 #include "GrContext.h" 316 #include "GrFragmentProcessor.h" 317 #include "GrTextureStripAtlas.h" 318 #include "SkGr.h" 319 #include "glsl/GrGLSLFragmentProcessor.h" 320 #include "glsl/GrGLSLFragmentShaderBuilder.h" 321 #include "glsl/GrGLSLProgramDataManager.h" 322 #include "glsl/GrGLSLUniformHandler.h" 323 324 class ColorTableEffect : public GrFragmentProcessor { 325 public: 326 static sk_sp<GrFragmentProcessor> Make(GrContext* context, 327 const SkBitmap& bitmap, 328 unsigned flags); 329 330 ~ColorTableEffect() override; 331 332 const char* name() const override { return "ColorTable"; } 333 334 const GrTextureStripAtlas* atlas() const { return fAtlas; } 335 int atlasRow() const { return fRow; } 336 337 private: 338 GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; 339 340 void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; 341 342 bool onIsEqual(const GrFragmentProcessor&) const override; 343 344 ColorTableEffect(sk_sp<GrTextureProxy> proxy, 345 GrTextureStripAtlas* atlas, int row, unsigned flags); 346 347 GR_DECLARE_FRAGMENT_PROCESSOR_TEST 348 349 TextureSampler fTextureSampler; 350 GrTextureStripAtlas* fAtlas; 351 int fRow; 352 353 typedef GrFragmentProcessor INHERITED; 354 }; 355 356 class GLColorTableEffect : public GrGLSLFragmentProcessor { 357 public: 358 void emitCode(EmitArgs&) override; 359 360 static void GenKey(const GrProcessor&, const GrShaderCaps&, GrProcessorKeyBuilder*) {} 361 362 protected: 363 void onSetData(const GrGLSLProgramDataManager&, const GrFragmentProcessor&) override; 364 365 private: 366 UniformHandle fRGBAYValuesUni; 367 typedef GrGLSLFragmentProcessor INHERITED; 368 }; 369 370 void GLColorTableEffect::onSetData(const GrGLSLProgramDataManager& pdm, 371 const GrFragmentProcessor& proc) { 372 // The textures are organized in a strip where the rows are ordered a, r, g, b. 373 float rgbaYValues[4]; 374 const ColorTableEffect& cte = proc.cast<ColorTableEffect>(); 375 if (cte.atlas()) { 376 SkScalar yDelta = cte.atlas()->getNormalizedTexelHeight(); 377 rgbaYValues[3] = cte.atlas()->getYOffset(cte.atlasRow()) + SK_ScalarHalf * yDelta; 378 rgbaYValues[0] = rgbaYValues[3] + yDelta; 379 rgbaYValues[1] = rgbaYValues[0] + yDelta; 380 rgbaYValues[2] = rgbaYValues[1] + yDelta; 381 } else { 382 rgbaYValues[3] = 0.125; 383 rgbaYValues[0] = 0.375; 384 rgbaYValues[1] = 0.625; 385 rgbaYValues[2] = 0.875; 386 } 387 pdm.set4fv(fRGBAYValuesUni, 1, rgbaYValues); 388 } 389 390 void GLColorTableEffect::emitCode(EmitArgs& args) { 391 const char* yoffsets; 392 fRGBAYValuesUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, 393 kVec4f_GrSLType, kDefault_GrSLPrecision, 394 "yoffsets", &yoffsets); 395 static const float kColorScaleFactor = 255.0f / 256.0f; 396 static const float kColorOffsetFactor = 1.0f / 512.0f; 397 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 398 if (nullptr == args.fInputColor) { 399 // the input color is solid white (all ones). 400 static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor; 401 fragBuilder->codeAppendf("\t\tvec4 coord = vec4(%f, %f, %f, %f);\n", 402 kMaxValue, kMaxValue, kMaxValue, kMaxValue); 403 404 } else { 405 fragBuilder->codeAppendf("\t\tfloat nonZeroAlpha = max(%s.a, .0001);\n", args.fInputColor); 406 fragBuilder->codeAppendf("\t\tvec4 coord = vec4(%s.rgb / nonZeroAlpha, nonZeroAlpha);\n", 407 args.fInputColor); 408 fragBuilder->codeAppendf("\t\tcoord = coord * %f + vec4(%f, %f, %f, %f);\n", 409 kColorScaleFactor, 410 kColorOffsetFactor, kColorOffsetFactor, 411 kColorOffsetFactor, kColorOffsetFactor); 412 } 413 414 SkString coord; 415 416 fragBuilder->codeAppendf("\t\t%s.a = ", args.fOutputColor); 417 coord.printf("vec2(coord.a, %s.a)", yoffsets); 418 fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); 419 fragBuilder->codeAppend(".a;\n"); 420 421 fragBuilder->codeAppendf("\t\t%s.r = ", args.fOutputColor); 422 coord.printf("vec2(coord.r, %s.r)", yoffsets); 423 fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); 424 fragBuilder->codeAppend(".a;\n"); 425 426 fragBuilder->codeAppendf("\t\t%s.g = ", args.fOutputColor); 427 coord.printf("vec2(coord.g, %s.g)", yoffsets); 428 fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); 429 fragBuilder->codeAppend(".a;\n"); 430 431 fragBuilder->codeAppendf("\t\t%s.b = ", args.fOutputColor); 432 coord.printf("vec2(coord.b, %s.b)", yoffsets); 433 fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); 434 fragBuilder->codeAppend(".a;\n"); 435 436 fragBuilder->codeAppendf("\t\t%s.rgb *= %s.a;\n", args.fOutputColor, args.fOutputColor); 437 } 438 439 /////////////////////////////////////////////////////////////////////////////// 440 sk_sp<GrFragmentProcessor> ColorTableEffect::Make(GrContext* context, const SkBitmap& bitmap, 441 unsigned flags) { 442 443 GrTextureStripAtlas::Desc desc; 444 desc.fWidth = bitmap.width(); 445 desc.fHeight = 128; 446 desc.fRowHeight = bitmap.height(); 447 448 // TODO: this seems a bit heavy handed (passing a GrContext as part of the desc) 449 desc.fContext = context; 450 desc.fConfig = SkImageInfo2GrPixelConfig(bitmap.info(), *context->caps()); 451 GrTextureStripAtlas* atlas = GrTextureStripAtlas::GetAtlas(desc); 452 int row = atlas->lockRow(bitmap); 453 sk_sp<GrTextureProxy> proxy; 454 if (-1 == row) { 455 atlas = nullptr; 456 457 proxy = GrMakeCachedBitmapProxy(context->resourceProvider(), bitmap); 458 } else { 459 proxy = atlas->asTextureProxyRef(); 460 } 461 462 if (!proxy) { 463 return nullptr; 464 } 465 466 return sk_sp<GrFragmentProcessor>(new ColorTableEffect(std::move(proxy), atlas, row, flags)); 467 } 468 469 ColorTableEffect::ColorTableEffect(sk_sp<GrTextureProxy> proxy, 470 GrTextureStripAtlas* atlas, int row, unsigned flags) 471 : INHERITED(kNone_OptimizationFlags) // Not bothering with table-specific optimizations. 472 , fTextureSampler(std::move(proxy)) 473 , fAtlas(atlas) 474 , fRow(row) { 475 this->initClassID<ColorTableEffect>(); 476 this->addTextureSampler(&fTextureSampler); 477 } 478 479 ColorTableEffect::~ColorTableEffect() { 480 if (fAtlas) { 481 fAtlas->unlockRow(fRow); 482 } 483 } 484 485 void ColorTableEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, 486 GrProcessorKeyBuilder* b) const { 487 GLColorTableEffect::GenKey(*this, caps, b); 488 } 489 490 GrGLSLFragmentProcessor* ColorTableEffect::onCreateGLSLInstance() const { 491 return new GLColorTableEffect; 492 } 493 494 bool ColorTableEffect::onIsEqual(const GrFragmentProcessor& other) const { 495 // For non-atlased instances, the texture (compared by base class) is sufficient to 496 // differentiate different tables. For atlased instances we ensure they are using the 497 // same row. 498 const ColorTableEffect& that = other.cast<ColorTableEffect>(); 499 SkASSERT(SkToBool(fAtlas) == SkToBool(that.fAtlas)); 500 // Ok to always do this comparison since both would be -1 if non-atlased. 501 return fRow == that.fRow; 502 } 503 504 /////////////////////////////////////////////////////////////////////////////// 505 506 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(ColorTableEffect); 507 508 #if GR_TEST_UTILS 509 sk_sp<GrFragmentProcessor> ColorTableEffect::TestCreate(GrProcessorTestData* d) { 510 int flags = 0; 511 uint8_t luts[256][4]; 512 do { 513 for (int i = 0; i < 4; ++i) { 514 flags |= d->fRandom->nextBool() ? (1 << i): 0; 515 } 516 } while (!flags); 517 for (int i = 0; i < 4; ++i) { 518 if (flags & (1 << i)) { 519 for (int j = 0; j < 256; ++j) { 520 luts[j][i] = SkToU8(d->fRandom->nextBits(8)); 521 } 522 } 523 } 524 auto filter(SkTableColorFilter::MakeARGB( 525 (flags & (1 << 0)) ? luts[0] : nullptr, 526 (flags & (1 << 1)) ? luts[1] : nullptr, 527 (flags & (1 << 2)) ? luts[2] : nullptr, 528 (flags & (1 << 3)) ? luts[3] : nullptr 529 )); 530 sk_sp<SkColorSpace> colorSpace = GrTest::TestColorSpace(d->fRandom); 531 sk_sp<GrFragmentProcessor> fp = filter->asFragmentProcessor(d->context(), colorSpace.get()); 532 SkASSERT(fp); 533 return fp; 534 } 535 #endif 536 537 sk_sp<GrFragmentProcessor> SkTable_ColorFilter::asFragmentProcessor(GrContext* context, 538 SkColorSpace*) const { 539 SkBitmap bitmap; 540 this->asComponentTable(&bitmap); 541 542 return ColorTableEffect::Make(context, bitmap, fFlags); 543 } 544 545 #endif // SK_SUPPORT_GPU 546 547 /////////////////////////////////////////////////////////////////////////////// 548 549 sk_sp<SkColorFilter> SkTableColorFilter::Make(const uint8_t table[256]) { 550 return sk_make_sp<SkTable_ColorFilter>(table, table, table, table); 551 } 552 553 sk_sp<SkColorFilter> SkTableColorFilter::MakeARGB(const uint8_t tableA[256], 554 const uint8_t tableR[256], 555 const uint8_t tableG[256], 556 const uint8_t tableB[256]) { 557 return sk_make_sp<SkTable_ColorFilter>(tableA, tableR, tableG, tableB); 558 } 559 560 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter) 561 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter) 562 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END 563
