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 "SkColorData.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> onMakeComposed(sk_sp<SkColorFilter> inner) const override; 87 88 #if SK_SUPPORT_GPU 89 std::unique_ptr<GrFragmentProcessor> asFragmentProcessor( 90 GrContext*, const GrColorSpaceInfo&) const override; 91 #endif 92 93 SK_TO_STRING_OVERRIDE() 94 95 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTable_ColorFilter) 96 97 enum { 98 kA_Flag = 1 << 0, 99 kR_Flag = 1 << 1, 100 kG_Flag = 1 << 2, 101 kB_Flag = 1 << 3, 102 }; 103 104 void onAppendStages(SkRasterPipeline* p, SkColorSpace*, SkArenaAlloc* alloc, 105 bool shaderIsOpaque) const override { 106 const uint8_t *r = gIdentityTable, 107 *g = gIdentityTable, 108 *b = gIdentityTable, 109 *a = gIdentityTable; 110 const uint8_t* ptr = fStorage; 111 if (fFlags & kA_Flag) { a = ptr; ptr += 256; } 112 if (fFlags & kR_Flag) { r = ptr; ptr += 256; } 113 if (fFlags & kG_Flag) { g = ptr; ptr += 256; } 114 if (fFlags & kB_Flag) { b = ptr; } 115 116 if (!shaderIsOpaque) { 117 p->append(SkRasterPipeline::unpremul); 118 } 119 120 struct Tables { const uint8_t *r, *g, *b, *a; }; 121 p->append(SkRasterPipeline::byte_tables, alloc->make<Tables>(Tables{r,g,b,a})); 122 123 bool definitelyOpaque = shaderIsOpaque && a[0xff] == 0xff; 124 if (!definitelyOpaque) { 125 p->append(SkRasterPipeline::premul); 126 } 127 } 128 129 protected: 130 void flatten(SkWriteBuffer&) const override; 131 132 private: 133 mutable const SkBitmap* fBitmap; // lazily allocated 134 135 uint8_t fStorage[256 * 4]; 136 unsigned fFlags; 137 138 friend class SkTableColorFilter; 139 140 typedef SkColorFilter INHERITED; 141 }; 142 143 #ifndef SK_IGNORE_TO_STRING 144 void SkTable_ColorFilter::toString(SkString* str) const { 145 const uint8_t* table = fStorage; 146 const uint8_t* tableA = gIdentityTable; 147 const uint8_t* tableR = gIdentityTable; 148 const uint8_t* tableG = gIdentityTable; 149 const uint8_t* tableB = gIdentityTable; 150 if (fFlags & kA_Flag) { 151 tableA = table; table += 256; 152 } 153 if (fFlags & kR_Flag) { 154 tableR = table; table += 256; 155 } 156 if (fFlags & kG_Flag) { 157 tableG = table; table += 256; 158 } 159 if (fFlags & kB_Flag) { 160 tableB = table; 161 } 162 163 str->append("SkTable_ColorFilter ("); 164 165 for (int i = 0; i < 256; ++i) { 166 str->appendf("%d: %d,%d,%d,%d\n", 167 i, tableR[i], tableG[i], tableB[i], tableA[i]); 168 } 169 170 str->append(")"); 171 } 172 #endif 173 174 static const uint8_t gCountNibBits[] = { 175 0, 1, 1, 2, 176 1, 2, 2, 3, 177 1, 2, 2, 3, 178 2, 3, 3, 4 179 }; 180 181 #include "SkPackBits.h" 182 183 void SkTable_ColorFilter::flatten(SkWriteBuffer& buffer) const { 184 uint8_t storage[5*256]; 185 int count = gCountNibBits[fFlags & 0xF]; 186 size_t size = SkPackBits::Pack8(fStorage, count * 256, storage, 187 sizeof(storage)); 188 189 buffer.write32(fFlags); 190 buffer.writeByteArray(storage, size); 191 } 192 193 sk_sp<SkFlattenable> SkTable_ColorFilter::CreateProc(SkReadBuffer& buffer) { 194 const int flags = buffer.read32(); 195 const size_t count = gCountNibBits[flags & 0xF]; 196 SkASSERT(count <= 4); 197 198 uint8_t packedStorage[5*256]; 199 size_t packedSize = buffer.getArrayCount(); 200 if (!buffer.validate(packedSize <= sizeof(packedStorage))) { 201 return nullptr; 202 } 203 if (!buffer.readByteArray(packedStorage, packedSize)) { 204 return nullptr; 205 } 206 207 uint8_t unpackedStorage[4*256]; 208 size_t unpackedSize = SkPackBits::Unpack8(packedStorage, packedSize, 209 unpackedStorage, sizeof(unpackedStorage)); 210 // now check that we got the size we expected 211 if (!buffer.validate(unpackedSize == count*256)) { 212 return nullptr; 213 } 214 215 const uint8_t* a = nullptr; 216 const uint8_t* r = nullptr; 217 const uint8_t* g = nullptr; 218 const uint8_t* b = nullptr; 219 const uint8_t* ptr = unpackedStorage; 220 221 if (flags & kA_Flag) { 222 a = ptr; 223 ptr += 256; 224 } 225 if (flags & kR_Flag) { 226 r = ptr; 227 ptr += 256; 228 } 229 if (flags & kG_Flag) { 230 g = ptr; 231 ptr += 256; 232 } 233 if (flags & kB_Flag) { 234 b = ptr; 235 ptr += 256; 236 } 237 return SkTableColorFilter::MakeARGB(a, r, g, b); 238 } 239 240 bool SkTable_ColorFilter::asComponentTable(SkBitmap* table) const { 241 if (table) { 242 if (nullptr == fBitmap) { 243 SkBitmap* bmp = new SkBitmap; 244 bmp->allocPixels(SkImageInfo::MakeA8(256, 4)); 245 uint8_t* bitmapPixels = bmp->getAddr8(0, 0); 246 int offset = 0; 247 static const unsigned kFlags[] = { kA_Flag, kR_Flag, kG_Flag, kB_Flag }; 248 249 for (int x = 0; x < 4; ++x) { 250 if (!(fFlags & kFlags[x])) { 251 memcpy(bitmapPixels, gIdentityTable, sizeof(gIdentityTable)); 252 } else { 253 memcpy(bitmapPixels, fStorage + offset, 256); 254 offset += 256; 255 } 256 bitmapPixels += 256; 257 } 258 fBitmap = bmp; 259 } 260 *table = *fBitmap; 261 } 262 return true; 263 } 264 265 // Combines the two lookup tables so that making a lookup using res[] has 266 // the same effect as making a lookup through inner[] then outer[]. 267 static void combine_tables(uint8_t res[256], const uint8_t outer[256], const uint8_t inner[256]) { 268 for (int i = 0; i < 256; i++) { 269 res[i] = outer[inner[i]]; 270 } 271 } 272 273 sk_sp<SkColorFilter> SkTable_ColorFilter::onMakeComposed(sk_sp<SkColorFilter> innerFilter) const { 274 SkBitmap innerBM; 275 if (!innerFilter->asComponentTable(&innerBM)) { 276 return nullptr; 277 } 278 279 if (nullptr == innerBM.getPixels()) { 280 return nullptr; 281 } 282 283 const uint8_t* table = fStorage; 284 const uint8_t* tableA = gIdentityTable; 285 const uint8_t* tableR = gIdentityTable; 286 const uint8_t* tableG = gIdentityTable; 287 const uint8_t* tableB = gIdentityTable; 288 if (fFlags & kA_Flag) { 289 tableA = table; table += 256; 290 } 291 if (fFlags & kR_Flag) { 292 tableR = table; table += 256; 293 } 294 if (fFlags & kG_Flag) { 295 tableG = table; table += 256; 296 } 297 if (fFlags & kB_Flag) { 298 tableB = table; 299 } 300 301 uint8_t concatA[256]; 302 uint8_t concatR[256]; 303 uint8_t concatG[256]; 304 uint8_t concatB[256]; 305 306 combine_tables(concatA, tableA, innerBM.getAddr8(0, 0)); 307 combine_tables(concatR, tableR, innerBM.getAddr8(0, 1)); 308 combine_tables(concatG, tableG, innerBM.getAddr8(0, 2)); 309 combine_tables(concatB, tableB, innerBM.getAddr8(0, 3)); 310 311 return SkTableColorFilter::MakeARGB(concatA, concatR, concatG, concatB); 312 } 313 314 #if SK_SUPPORT_GPU 315 316 #include "GrColorSpaceInfo.h" 317 #include "GrContext.h" 318 #include "GrContextPriv.h" 319 #include "GrFragmentProcessor.h" 320 #include "GrTextureStripAtlas.h" 321 #include "SkGr.h" 322 #include "glsl/GrGLSLFragmentProcessor.h" 323 #include "glsl/GrGLSLFragmentShaderBuilder.h" 324 #include "glsl/GrGLSLProgramDataManager.h" 325 #include "glsl/GrGLSLUniformHandler.h" 326 327 class ColorTableEffect : public GrFragmentProcessor { 328 public: 329 static std::unique_ptr<GrFragmentProcessor> Make(GrContext* context, const SkBitmap& bitmap); 330 331 ~ColorTableEffect() override; 332 333 const char* name() const override { return "ColorTable"; } 334 335 const GrTextureStripAtlas* atlas() const { return fAtlas; } 336 int atlasRow() const { return fRow; } 337 338 std::unique_ptr<GrFragmentProcessor> clone() const override; 339 340 private: 341 GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; 342 343 void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; 344 345 bool onIsEqual(const GrFragmentProcessor&) const override; 346 347 ColorTableEffect(sk_sp<GrTextureProxy> proxy, GrTextureStripAtlas* atlas, int row); 348 349 GR_DECLARE_FRAGMENT_PROCESSOR_TEST 350 351 TextureSampler fTextureSampler; 352 GrTextureStripAtlas* fAtlas; 353 int fRow; 354 355 typedef GrFragmentProcessor INHERITED; 356 }; 357 358 class GLColorTableEffect : public GrGLSLFragmentProcessor { 359 public: 360 void emitCode(EmitArgs&) override; 361 362 static void GenKey(const GrProcessor&, const GrShaderCaps&, GrProcessorKeyBuilder*) {} 363 364 protected: 365 void onSetData(const GrGLSLProgramDataManager&, const GrFragmentProcessor&) override; 366 367 private: 368 UniformHandle fRGBAYValuesUni; 369 typedef GrGLSLFragmentProcessor INHERITED; 370 }; 371 372 void GLColorTableEffect::onSetData(const GrGLSLProgramDataManager& pdm, 373 const GrFragmentProcessor& proc) { 374 // The textures are organized in a strip where the rows are ordered a, r, g, b. 375 float rgbaYValues[4]; 376 const ColorTableEffect& cte = proc.cast<ColorTableEffect>(); 377 if (cte.atlas()) { 378 SkScalar yDelta = cte.atlas()->getNormalizedTexelHeight(); 379 rgbaYValues[3] = cte.atlas()->getYOffset(cte.atlasRow()) + SK_ScalarHalf * yDelta; 380 rgbaYValues[0] = rgbaYValues[3] + yDelta; 381 rgbaYValues[1] = rgbaYValues[0] + yDelta; 382 rgbaYValues[2] = rgbaYValues[1] + yDelta; 383 } else { 384 rgbaYValues[3] = 0.125; 385 rgbaYValues[0] = 0.375; 386 rgbaYValues[1] = 0.625; 387 rgbaYValues[2] = 0.875; 388 } 389 pdm.set4fv(fRGBAYValuesUni, 1, rgbaYValues); 390 } 391 392 void GLColorTableEffect::emitCode(EmitArgs& args) { 393 const char* yoffsets; 394 fRGBAYValuesUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, 395 "yoffsets", &yoffsets); 396 static const float kColorScaleFactor = 255.0f / 256.0f; 397 static const float kColorOffsetFactor = 1.0f / 512.0f; 398 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 399 if (nullptr == args.fInputColor) { 400 // the input color is solid white (all ones). 401 static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor; 402 fragBuilder->codeAppendf("\t\thalf4 coord = half4(%f, %f, %f, %f);\n", 403 kMaxValue, kMaxValue, kMaxValue, kMaxValue); 404 405 } else { 406 fragBuilder->codeAppendf("\t\thalf nonZeroAlpha = max(%s.a, .0001);\n", args.fInputColor); 407 fragBuilder->codeAppendf("\t\thalf4 coord = half4(%s.rgb / nonZeroAlpha, nonZeroAlpha);\n", 408 args.fInputColor); 409 fragBuilder->codeAppendf("\t\tcoord = coord * %f + half4(%f, %f, %f, %f);\n", 410 kColorScaleFactor, 411 kColorOffsetFactor, kColorOffsetFactor, 412 kColorOffsetFactor, kColorOffsetFactor); 413 } 414 415 SkString coord; 416 417 fragBuilder->codeAppendf("\t\t%s.a = ", args.fOutputColor); 418 coord.printf("half2(coord.a, %s.a)", yoffsets); 419 fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); 420 fragBuilder->codeAppend(".a;\n"); 421 422 fragBuilder->codeAppendf("\t\t%s.r = ", args.fOutputColor); 423 coord.printf("half2(coord.r, %s.r)", yoffsets); 424 fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); 425 fragBuilder->codeAppend(".a;\n"); 426 427 fragBuilder->codeAppendf("\t\t%s.g = ", args.fOutputColor); 428 coord.printf("half2(coord.g, %s.g)", yoffsets); 429 fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); 430 fragBuilder->codeAppend(".a;\n"); 431 432 fragBuilder->codeAppendf("\t\t%s.b = ", args.fOutputColor); 433 coord.printf("half2(coord.b, %s.b)", yoffsets); 434 fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); 435 fragBuilder->codeAppend(".a;\n"); 436 437 fragBuilder->codeAppendf("\t\t%s.rgb *= %s.a;\n", args.fOutputColor, args.fOutputColor); 438 } 439 440 /////////////////////////////////////////////////////////////////////////////// 441 std::unique_ptr<GrFragmentProcessor> ColorTableEffect::Make(GrContext* context, 442 const SkBitmap& bitmap) { 443 GrTextureStripAtlas::Desc desc; 444 desc.fWidth = bitmap.width(); 445 desc.fHeight = 128; 446 desc.fRowHeight = bitmap.height(); 447 // TODO: this seems a bit heavy handed (passing a GrContext as part of the desc) 448 desc.fContext = context; 449 desc.fConfig = SkImageInfo2GrPixelConfig(bitmap.info(), *context->caps()); 450 451 if (kUnknown_GrPixelConfig == desc.fConfig) { 452 return nullptr; 453 } 454 455 GrTextureStripAtlas* atlas = GrTextureStripAtlas::GetAtlas(desc); 456 int row = atlas->lockRow(bitmap); 457 sk_sp<GrTextureProxy> proxy; 458 if (-1 == row) { 459 atlas = nullptr; 460 461 SkASSERT(bitmap.isImmutable()); 462 463 sk_sp<SkImage> srcImage = SkImage::MakeFromBitmap(bitmap); 464 if (!srcImage) { 465 return nullptr; 466 } 467 468 proxy = GrMakeCachedImageProxy(context->contextPriv().proxyProvider(), std::move(srcImage)); 469 } else { 470 proxy = atlas->asTextureProxyRef(); 471 } 472 473 if (!proxy) { 474 return nullptr; 475 } 476 477 return std::unique_ptr<GrFragmentProcessor>(new ColorTableEffect(std::move(proxy), atlas, row)); 478 } 479 480 ColorTableEffect::ColorTableEffect(sk_sp<GrTextureProxy> proxy, GrTextureStripAtlas* atlas, int row) 481 : INHERITED(kColorTableEffect_ClassID, 482 kNone_OptimizationFlags) // Not bothering with table-specific optimizations. 483 , fTextureSampler(std::move(proxy)) 484 , fAtlas(atlas) 485 , fRow(row) { 486 this->addTextureSampler(&fTextureSampler); 487 } 488 489 ColorTableEffect::~ColorTableEffect() { 490 if (fAtlas) { 491 fAtlas->unlockRow(fRow); 492 } 493 } 494 495 std::unique_ptr<GrFragmentProcessor> ColorTableEffect::clone() const { 496 fAtlas->lockRow(fRow); 497 return std::unique_ptr<GrFragmentProcessor>( 498 new ColorTableEffect(sk_ref_sp(fTextureSampler.proxy()), fAtlas, fRow)); 499 } 500 501 void ColorTableEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, 502 GrProcessorKeyBuilder* b) const { 503 GLColorTableEffect::GenKey(*this, caps, b); 504 } 505 506 GrGLSLFragmentProcessor* ColorTableEffect::onCreateGLSLInstance() const { 507 return new GLColorTableEffect; 508 } 509 510 bool ColorTableEffect::onIsEqual(const GrFragmentProcessor& other) const { 511 // For non-atlased instances, the texture (compared by base class) is sufficient to 512 // differentiate different tables. For atlased instances we ensure they are using the 513 // same row. 514 const ColorTableEffect& that = other.cast<ColorTableEffect>(); 515 SkASSERT(SkToBool(fAtlas) == SkToBool(that.fAtlas)); 516 // Ok to always do this comparison since both would be -1 if non-atlased. 517 return fRow == that.fRow; 518 } 519 520 /////////////////////////////////////////////////////////////////////////////// 521 522 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(ColorTableEffect); 523 524 #if GR_TEST_UTILS 525 std::unique_ptr<GrFragmentProcessor> ColorTableEffect::TestCreate(GrProcessorTestData* d) { 526 int flags = 0; 527 uint8_t luts[256][4]; 528 do { 529 for (int i = 0; i < 4; ++i) { 530 flags |= d->fRandom->nextBool() ? (1 << i): 0; 531 } 532 } while (!flags); 533 for (int i = 0; i < 4; ++i) { 534 if (flags & (1 << i)) { 535 for (int j = 0; j < 256; ++j) { 536 luts[j][i] = SkToU8(d->fRandom->nextBits(8)); 537 } 538 } 539 } 540 auto filter(SkTableColorFilter::MakeARGB( 541 (flags & (1 << 0)) ? luts[0] : nullptr, 542 (flags & (1 << 1)) ? luts[1] : nullptr, 543 (flags & (1 << 2)) ? luts[2] : nullptr, 544 (flags & (1 << 3)) ? luts[3] : nullptr 545 )); 546 sk_sp<SkColorSpace> colorSpace = GrTest::TestColorSpace(d->fRandom); 547 auto fp = filter->asFragmentProcessor( 548 d->context(), GrColorSpaceInfo(std::move(colorSpace), kRGBA_8888_GrPixelConfig)); 549 SkASSERT(fp); 550 return fp; 551 } 552 #endif 553 554 std::unique_ptr<GrFragmentProcessor> SkTable_ColorFilter::asFragmentProcessor( 555 GrContext* context, const GrColorSpaceInfo&) const { 556 SkBitmap bitmap; 557 this->asComponentTable(&bitmap); 558 559 return ColorTableEffect::Make(context, bitmap); 560 } 561 562 #endif // SK_SUPPORT_GPU 563 564 /////////////////////////////////////////////////////////////////////////////// 565 566 sk_sp<SkColorFilter> SkTableColorFilter::Make(const uint8_t table[256]) { 567 return sk_make_sp<SkTable_ColorFilter>(table, table, table, table); 568 } 569 570 sk_sp<SkColorFilter> SkTableColorFilter::MakeARGB(const uint8_t tableA[256], 571 const uint8_t tableR[256], 572 const uint8_t tableG[256], 573 const uint8_t tableB[256]) { 574 return sk_make_sp<SkTable_ColorFilter>(tableA, tableR, tableG, tableB); 575 } 576 577 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter) 578 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter) 579 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END 580
