jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 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 | */ |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 7 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 8 | #include "SkTableColorFilter.h" |
bsalomon | f276ac5 | 2015-10-09 13:36:42 -0700 | [diff] [blame] | 9 | |
| 10 | #include "SkBitmap.h" |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 11 | #include "SkColorPriv.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 12 | #include "SkReadBuffer.h" |
robertphillips@google.com | 1202c2a | 2013-05-23 14:00:17 +0000 | [diff] [blame] | 13 | #include "SkString.h" |
bsalomon | f276ac5 | 2015-10-09 13:36:42 -0700 | [diff] [blame] | 14 | #include "SkUnPreMultiply.h" |
| 15 | #include "SkWriteBuffer.h" |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 16 | |
| 17 | class SkTable_ColorFilter : public SkColorFilter { |
| 18 | public: |
| 19 | SkTable_ColorFilter(const uint8_t tableA[], const uint8_t tableR[], |
| 20 | const uint8_t tableG[], const uint8_t tableB[]) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 21 | fBitmap = nullptr; |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 22 | fFlags = 0; |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 23 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 24 | uint8_t* dst = fStorage; |
| 25 | if (tableA) { |
| 26 | memcpy(dst, tableA, 256); |
| 27 | dst += 256; |
| 28 | fFlags |= kA_Flag; |
| 29 | } |
| 30 | if (tableR) { |
| 31 | memcpy(dst, tableR, 256); |
| 32 | dst += 256; |
| 33 | fFlags |= kR_Flag; |
| 34 | } |
| 35 | if (tableG) { |
| 36 | memcpy(dst, tableG, 256); |
| 37 | dst += 256; |
| 38 | fFlags |= kG_Flag; |
| 39 | } |
| 40 | if (tableB) { |
| 41 | memcpy(dst, tableB, 256); |
| 42 | fFlags |= kB_Flag; |
| 43 | } |
| 44 | } |
| 45 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 46 | virtual ~SkTable_ColorFilter() { delete fBitmap; } |
tomhudson@google.com | 1bb4be2 | 2012-07-24 17:24:21 +0000 | [diff] [blame] | 47 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 48 | bool asComponentTable(SkBitmap* table) const override; |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 49 | sk_sp<SkColorFilter> makeComposed(sk_sp<SkColorFilter> inner) const override; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 50 | |
| 51 | #if SK_SUPPORT_GPU |
Brian Osman | 618d304 | 2016-10-25 10:51:28 -0400 | [diff] [blame^] | 52 | sk_sp<GrFragmentProcessor> asFragmentProcessor(GrContext*, SkColorSpace*) const override; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 53 | #endif |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 54 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 55 | void filterSpan(const SkPMColor src[], int count, SkPMColor dst[]) const override; |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 56 | |
commit-bot@chromium.org | 0f10f7b | 2014-03-13 18:02:17 +0000 | [diff] [blame] | 57 | SK_TO_STRING_OVERRIDE() |
robertphillips@google.com | 1202c2a | 2013-05-23 14:00:17 +0000 | [diff] [blame] | 58 | |
djsollen@google.com | ba28d03 | 2012-03-26 17:57:35 +0000 | [diff] [blame] | 59 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTable_ColorFilter) |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 60 | |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 61 | enum { |
| 62 | kA_Flag = 1 << 0, |
| 63 | kR_Flag = 1 << 1, |
| 64 | kG_Flag = 1 << 2, |
| 65 | kB_Flag = 1 << 3, |
| 66 | }; |
| 67 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 68 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 69 | void flatten(SkWriteBuffer&) const override; |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 70 | |
| 71 | private: |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 72 | mutable const SkBitmap* fBitmap; // lazily allocated |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 73 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 74 | uint8_t fStorage[256 * 4]; |
| 75 | unsigned fFlags; |
| 76 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 77 | friend class SkTableColorFilter; |
| 78 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 79 | typedef SkColorFilter INHERITED; |
| 80 | }; |
| 81 | |
| 82 | static const uint8_t gIdentityTable[] = { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 83 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 84 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, |
| 85 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 86 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, |
| 87 | 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
| 88 | 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, |
| 89 | 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
| 90 | 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, |
| 91 | 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
| 92 | 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, |
| 93 | 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, |
| 94 | 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, |
| 95 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 96 | 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, |
| 97 | 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
| 98 | 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, |
| 99 | 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
| 100 | 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, |
| 101 | 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
| 102 | 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, |
| 103 | 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, |
| 104 | 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, |
| 105 | 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, |
| 106 | 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, |
| 107 | 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, |
| 108 | 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, |
| 109 | 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, |
| 110 | 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, |
| 111 | 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, |
| 112 | 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, |
| 113 | 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 114 | 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF |
| 115 | }; |
| 116 | |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 117 | void SkTable_ColorFilter::filterSpan(const SkPMColor src[], int count, SkPMColor dst[]) const { |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 118 | const uint8_t* table = fStorage; |
| 119 | const uint8_t* tableA = gIdentityTable; |
| 120 | const uint8_t* tableR = gIdentityTable; |
| 121 | const uint8_t* tableG = gIdentityTable; |
| 122 | const uint8_t* tableB = gIdentityTable; |
| 123 | if (fFlags & kA_Flag) { |
| 124 | tableA = table; table += 256; |
| 125 | } |
| 126 | if (fFlags & kR_Flag) { |
| 127 | tableR = table; table += 256; |
| 128 | } |
| 129 | if (fFlags & kG_Flag) { |
| 130 | tableG = table; table += 256; |
| 131 | } |
| 132 | if (fFlags & kB_Flag) { |
| 133 | tableB = table; |
| 134 | } |
| 135 | |
| 136 | const SkUnPreMultiply::Scale* scaleTable = SkUnPreMultiply::GetScaleTable(); |
| 137 | for (int i = 0; i < count; ++i) { |
| 138 | SkPMColor c = src[i]; |
| 139 | unsigned a, r, g, b; |
| 140 | if (0 == c) { |
| 141 | a = r = g = b = 0; |
| 142 | } else { |
| 143 | a = SkGetPackedA32(c); |
| 144 | r = SkGetPackedR32(c); |
| 145 | g = SkGetPackedG32(c); |
| 146 | b = SkGetPackedB32(c); |
| 147 | |
| 148 | if (a < 255) { |
| 149 | SkUnPreMultiply::Scale scale = scaleTable[a]; |
| 150 | r = SkUnPreMultiply::ApplyScale(scale, r); |
| 151 | g = SkUnPreMultiply::ApplyScale(scale, g); |
| 152 | b = SkUnPreMultiply::ApplyScale(scale, b); |
| 153 | } |
| 154 | } |
| 155 | dst[i] = SkPremultiplyARGBInline(tableA[a], tableR[r], |
| 156 | tableG[g], tableB[b]); |
| 157 | } |
| 158 | } |
| 159 | |
commit-bot@chromium.org | 0f10f7b | 2014-03-13 18:02:17 +0000 | [diff] [blame] | 160 | #ifndef SK_IGNORE_TO_STRING |
robertphillips@google.com | 1202c2a | 2013-05-23 14:00:17 +0000 | [diff] [blame] | 161 | void SkTable_ColorFilter::toString(SkString* str) const { |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 162 | const uint8_t* table = fStorage; |
| 163 | const uint8_t* tableA = gIdentityTable; |
| 164 | const uint8_t* tableR = gIdentityTable; |
| 165 | const uint8_t* tableG = gIdentityTable; |
| 166 | const uint8_t* tableB = gIdentityTable; |
| 167 | if (fFlags & kA_Flag) { |
| 168 | tableA = table; table += 256; |
| 169 | } |
| 170 | if (fFlags & kR_Flag) { |
| 171 | tableR = table; table += 256; |
| 172 | } |
| 173 | if (fFlags & kG_Flag) { |
| 174 | tableG = table; table += 256; |
| 175 | } |
| 176 | if (fFlags & kB_Flag) { |
| 177 | tableB = table; |
| 178 | } |
| 179 | |
| 180 | str->append("SkTable_ColorFilter ("); |
| 181 | |
| 182 | for (int i = 0; i < 256; ++i) { |
| 183 | str->appendf("%d: %d,%d,%d,%d\n", |
| 184 | i, tableR[i], tableG[i], tableB[i], tableA[i]); |
| 185 | } |
| 186 | |
| 187 | str->append(")"); |
robertphillips@google.com | 1202c2a | 2013-05-23 14:00:17 +0000 | [diff] [blame] | 188 | } |
| 189 | #endif |
| 190 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 191 | static const uint8_t gCountNibBits[] = { |
| 192 | 0, 1, 1, 2, |
| 193 | 1, 2, 2, 3, |
| 194 | 1, 2, 2, 3, |
| 195 | 2, 3, 3, 4 |
| 196 | }; |
| 197 | |
| 198 | #include "SkPackBits.h" |
| 199 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 200 | void SkTable_ColorFilter::flatten(SkWriteBuffer& buffer) const { |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 201 | uint8_t storage[5*256]; |
| 202 | int count = gCountNibBits[fFlags & 0xF]; |
jschuh | 699b852 | 2015-06-04 15:10:37 -0700 | [diff] [blame] | 203 | size_t size = SkPackBits::Pack8(fStorage, count * 256, storage, |
| 204 | sizeof(storage)); |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 205 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 206 | buffer.write32(fFlags); |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 207 | buffer.writeByteArray(storage, size); |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 208 | } |
| 209 | |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 210 | sk_sp<SkFlattenable> SkTable_ColorFilter::CreateProc(SkReadBuffer& buffer) { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 211 | const int flags = buffer.read32(); |
| 212 | const size_t count = gCountNibBits[flags & 0xF]; |
| 213 | SkASSERT(count <= 4); |
| 214 | |
| 215 | uint8_t packedStorage[5*256]; |
| 216 | size_t packedSize = buffer.getArrayCount(); |
| 217 | if (!buffer.validate(packedSize <= sizeof(packedStorage))) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 218 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 219 | } |
| 220 | if (!buffer.readByteArray(packedStorage, packedSize)) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 221 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | uint8_t unpackedStorage[4*256]; |
jschuh | 699b852 | 2015-06-04 15:10:37 -0700 | [diff] [blame] | 225 | size_t unpackedSize = SkPackBits::Unpack8(packedStorage, packedSize, |
| 226 | unpackedStorage, sizeof(unpackedStorage)); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 227 | // now check that we got the size we expected |
senorblanco | 91c395a | 2014-09-25 15:51:35 -0700 | [diff] [blame] | 228 | if (!buffer.validate(unpackedSize == count*256)) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 229 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 230 | } |
| 231 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 232 | const uint8_t* a = nullptr; |
| 233 | const uint8_t* r = nullptr; |
| 234 | const uint8_t* g = nullptr; |
| 235 | const uint8_t* b = nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 236 | const uint8_t* ptr = unpackedStorage; |
| 237 | |
| 238 | if (flags & kA_Flag) { |
| 239 | a = ptr; |
| 240 | ptr += 256; |
| 241 | } |
| 242 | if (flags & kR_Flag) { |
| 243 | r = ptr; |
| 244 | ptr += 256; |
| 245 | } |
| 246 | if (flags & kG_Flag) { |
| 247 | g = ptr; |
| 248 | ptr += 256; |
| 249 | } |
| 250 | if (flags & kB_Flag) { |
| 251 | b = ptr; |
| 252 | ptr += 256; |
| 253 | } |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 254 | return SkTableColorFilter::MakeARGB(a, r, g, b); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 255 | } |
| 256 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 257 | bool SkTable_ColorFilter::asComponentTable(SkBitmap* table) const { |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 258 | if (table) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 259 | if (nullptr == fBitmap) { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 260 | SkBitmap* bmp = new SkBitmap; |
reed@google.com | 9ebcac5 | 2014-01-24 18:53:42 +0000 | [diff] [blame] | 261 | bmp->allocPixels(SkImageInfo::MakeA8(256, 4)); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 262 | uint8_t* bitmapPixels = bmp->getAddr8(0, 0); |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 263 | int offset = 0; |
| 264 | static const unsigned kFlags[] = { kA_Flag, kR_Flag, kG_Flag, kB_Flag }; |
| 265 | |
| 266 | for (int x = 0; x < 4; ++x) { |
| 267 | if (!(fFlags & kFlags[x])) { |
| 268 | memcpy(bitmapPixels, gIdentityTable, sizeof(gIdentityTable)); |
| 269 | } else { |
| 270 | memcpy(bitmapPixels, fStorage + offset, 256); |
| 271 | offset += 256; |
| 272 | } |
| 273 | bitmapPixels += 256; |
| 274 | } |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 275 | fBitmap = bmp; |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 276 | } |
| 277 | *table = *fBitmap; |
| 278 | } |
| 279 | return true; |
| 280 | } |
| 281 | |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 282 | // Combines the two lookup tables so that making a lookup using res[] has |
| 283 | // the same effect as making a lookup through inner[] then outer[]. |
| 284 | static void combine_tables(uint8_t res[256], const uint8_t outer[256], const uint8_t inner[256]) { |
| 285 | for (int i = 0; i < 256; i++) { |
| 286 | res[i] = outer[inner[i]]; |
| 287 | } |
| 288 | } |
| 289 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 290 | sk_sp<SkColorFilter> SkTable_ColorFilter::makeComposed(sk_sp<SkColorFilter> innerFilter) const { |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 291 | SkBitmap innerBM; |
| 292 | if (!innerFilter->asComponentTable(&innerBM)) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 293 | return nullptr; |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | innerBM.lockPixels(); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 297 | if (nullptr == innerBM.getPixels()) { |
| 298 | return nullptr; |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 299 | } |
| 300 | |
| 301 | const uint8_t* table = fStorage; |
| 302 | const uint8_t* tableA = gIdentityTable; |
| 303 | const uint8_t* tableR = gIdentityTable; |
| 304 | const uint8_t* tableG = gIdentityTable; |
| 305 | const uint8_t* tableB = gIdentityTable; |
| 306 | if (fFlags & kA_Flag) { |
| 307 | tableA = table; table += 256; |
| 308 | } |
| 309 | if (fFlags & kR_Flag) { |
| 310 | tableR = table; table += 256; |
| 311 | } |
| 312 | if (fFlags & kG_Flag) { |
| 313 | tableG = table; table += 256; |
| 314 | } |
| 315 | if (fFlags & kB_Flag) { |
| 316 | tableB = table; |
| 317 | } |
| 318 | |
| 319 | uint8_t concatA[256]; |
| 320 | uint8_t concatR[256]; |
| 321 | uint8_t concatG[256]; |
| 322 | uint8_t concatB[256]; |
| 323 | |
| 324 | combine_tables(concatA, tableA, innerBM.getAddr8(0, 0)); |
| 325 | combine_tables(concatR, tableR, innerBM.getAddr8(0, 1)); |
| 326 | combine_tables(concatG, tableG, innerBM.getAddr8(0, 2)); |
| 327 | combine_tables(concatB, tableB, innerBM.getAddr8(0, 3)); |
| 328 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 329 | return SkTableColorFilter::MakeARGB(concatA, concatR, concatG, concatB); |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 330 | } |
| 331 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 332 | #if SK_SUPPORT_GPU |
| 333 | |
brianosman | a635936 | 2016-03-21 06:55:37 -0700 | [diff] [blame] | 334 | #include "GrContext.h" |
bsalomon | 6251d17 | 2014-10-15 10:50:36 -0700 | [diff] [blame] | 335 | #include "GrFragmentProcessor.h" |
egdaniel | 605dd0f | 2014-11-12 08:35:25 -0800 | [diff] [blame] | 336 | #include "GrInvariantOutput.h" |
ajuma | 95243eb | 2016-08-24 08:19:02 -0700 | [diff] [blame] | 337 | #include "GrTextureStripAtlas.h" |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 338 | #include "SkGr.h" |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 339 | #include "glsl/GrGLSLFragmentProcessor.h" |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 340 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 341 | #include "glsl/GrGLSLProgramDataManager.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 342 | #include "glsl/GrGLSLUniformHandler.h" |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 343 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 344 | class ColorTableEffect : public GrFragmentProcessor { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 345 | public: |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 346 | static sk_sp<GrFragmentProcessor> Make(GrContext* context, SkBitmap bitmap, unsigned flags); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 347 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 348 | virtual ~ColorTableEffect(); |
| 349 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 350 | const char* name() const override { return "ColorTable"; } |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 351 | |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 352 | const GrTextureStripAtlas* atlas() const { return fAtlas; } |
| 353 | int atlasRow() const { return fRow; } |
| 354 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 355 | private: |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 356 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 357 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 358 | void onGetGLSLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const override; |
wangyix | 4b3050b | 2015-08-04 07:59:37 -0700 | [diff] [blame] | 359 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 360 | bool onIsEqual(const GrFragmentProcessor&) const override; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 361 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 362 | void onComputeInvariantOutput(GrInvariantOutput* inout) const override; |
egdaniel | 1a8ecdf | 2014-10-03 06:24:12 -0700 | [diff] [blame] | 363 | |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 364 | ColorTableEffect(GrTexture* texture, GrTextureStripAtlas* atlas, int row, unsigned flags); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 365 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 366 | GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 367 | |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 368 | GrTextureAccess fTextureAccess; |
| 369 | |
| 370 | // currently not used in shader code, just to assist onComputeInvariantOutput(). |
mtklein | 3f3b3d0 | 2014-12-01 11:47:08 -0800 | [diff] [blame] | 371 | unsigned fFlags; |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 372 | |
| 373 | GrTextureStripAtlas* fAtlas; |
| 374 | int fRow; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 375 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 376 | typedef GrFragmentProcessor INHERITED; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 377 | }; |
| 378 | |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 379 | class GLColorTableEffect : public GrGLSLFragmentProcessor { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 380 | public: |
robertphillips | 9cdb992 | 2016-02-03 12:25:40 -0800 | [diff] [blame] | 381 | void emitCode(EmitArgs&) override; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 382 | |
robertphillips | bf536af | 2016-02-04 06:11:53 -0800 | [diff] [blame] | 383 | static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*) {} |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 384 | |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 385 | protected: |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 386 | void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override; |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 387 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 388 | private: |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 389 | UniformHandle fRGBAYValuesUni; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 390 | typedef GrGLSLFragmentProcessor INHERITED; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 391 | }; |
| 392 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 393 | void GLColorTableEffect::onSetData(const GrGLSLProgramDataManager& pdm, const GrProcessor& proc) { |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 394 | // The textures are organized in a strip where the rows are ordered a, r, g, b. |
| 395 | float rgbaYValues[4]; |
| 396 | const ColorTableEffect& cte = proc.cast<ColorTableEffect>(); |
| 397 | if (cte.atlas()) { |
| 398 | SkScalar yDelta = cte.atlas()->getNormalizedTexelHeight(); |
| 399 | rgbaYValues[3] = cte.atlas()->getYOffset(cte.atlasRow()) + SK_ScalarHalf * yDelta; |
| 400 | rgbaYValues[0] = rgbaYValues[3] + yDelta; |
| 401 | rgbaYValues[1] = rgbaYValues[0] + yDelta; |
| 402 | rgbaYValues[2] = rgbaYValues[1] + yDelta; |
| 403 | } else { |
| 404 | rgbaYValues[3] = 0.125; |
| 405 | rgbaYValues[0] = 0.375; |
| 406 | rgbaYValues[1] = 0.625; |
mtklein | 3f3b3d0 | 2014-12-01 11:47:08 -0800 | [diff] [blame] | 407 | rgbaYValues[2] = 0.875; |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 408 | } |
| 409 | pdm.set4fv(fRGBAYValuesUni, 1, rgbaYValues); |
| 410 | } |
| 411 | |
wangyix | 7c157a9 | 2015-07-22 15:08:53 -0700 | [diff] [blame] | 412 | void GLColorTableEffect::emitCode(EmitArgs& args) { |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 413 | const char* yoffsets; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 414 | fRGBAYValuesUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 415 | kVec4f_GrSLType, kDefault_GrSLPrecision, |
| 416 | "yoffsets", &yoffsets); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 417 | static const float kColorScaleFactor = 255.0f / 256.0f; |
| 418 | static const float kColorOffsetFactor = 1.0f / 512.0f; |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 419 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 420 | if (nullptr == args.fInputColor) { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 421 | // the input color is solid white (all ones). |
| 422 | static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor; |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 423 | fragBuilder->codeAppendf("\t\tvec4 coord = vec4(%f, %f, %f, %f);\n", |
| 424 | kMaxValue, kMaxValue, kMaxValue, kMaxValue); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 425 | |
| 426 | } else { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 427 | fragBuilder->codeAppendf("\t\tfloat nonZeroAlpha = max(%s.a, .0001);\n", args.fInputColor); |
| 428 | fragBuilder->codeAppendf("\t\tvec4 coord = vec4(%s.rgb / nonZeroAlpha, nonZeroAlpha);\n", |
| 429 | args.fInputColor); |
| 430 | fragBuilder->codeAppendf("\t\tcoord = coord * %f + vec4(%f, %f, %f, %f);\n", |
| 431 | kColorScaleFactor, |
| 432 | kColorOffsetFactor, kColorOffsetFactor, |
| 433 | kColorOffsetFactor, kColorOffsetFactor); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 434 | } |
| 435 | |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 436 | SkString coord; |
| 437 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 438 | fragBuilder->codeAppendf("\t\t%s.a = ", args.fOutputColor); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 439 | coord.printf("vec2(coord.a, %s.a)", yoffsets); |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 440 | fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 441 | fragBuilder->codeAppend(".a;\n"); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 442 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 443 | fragBuilder->codeAppendf("\t\t%s.r = ", args.fOutputColor); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 444 | coord.printf("vec2(coord.r, %s.r)", yoffsets); |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 445 | fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 446 | fragBuilder->codeAppend(".a;\n"); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 447 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 448 | fragBuilder->codeAppendf("\t\t%s.g = ", args.fOutputColor); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 449 | coord.printf("vec2(coord.g, %s.g)", yoffsets); |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 450 | fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 451 | fragBuilder->codeAppend(".a;\n"); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 452 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 453 | fragBuilder->codeAppendf("\t\t%s.b = ", args.fOutputColor); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 454 | coord.printf("vec2(coord.b, %s.b)", yoffsets); |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 455 | fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 456 | fragBuilder->codeAppend(".a;\n"); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 457 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 458 | fragBuilder->codeAppendf("\t\t%s.rgb *= %s.a;\n", args.fOutputColor, args.fOutputColor); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 459 | } |
| 460 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 461 | /////////////////////////////////////////////////////////////////////////////// |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 462 | sk_sp<GrFragmentProcessor> ColorTableEffect::Make(GrContext* context, SkBitmap bitmap, |
| 463 | unsigned flags) { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 464 | |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 465 | GrTextureStripAtlas::Desc desc; |
| 466 | desc.fWidth = bitmap.width(); |
| 467 | desc.fHeight = 128; |
| 468 | desc.fRowHeight = bitmap.height(); |
| 469 | desc.fContext = context; |
brianosman | a635936 | 2016-03-21 06:55:37 -0700 | [diff] [blame] | 470 | desc.fConfig = SkImageInfo2GrPixelConfig(bitmap.info(), *context->caps()); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 471 | GrTextureStripAtlas* atlas = GrTextureStripAtlas::GetAtlas(desc); |
| 472 | int row = atlas->lockRow(bitmap); |
| 473 | SkAutoTUnref<GrTexture> texture; |
| 474 | if (-1 == row) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 475 | atlas = nullptr; |
brianosman | 982eb7f | 2016-06-06 13:10:58 -0700 | [diff] [blame] | 476 | texture.reset(GrRefCachedBitmapTexture(context, bitmap, GrTextureParams::ClampNoFilter(), |
| 477 | SkSourceGammaTreatment::kRespect)); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 478 | } else { |
| 479 | texture.reset(SkRef(atlas->getTexture())); |
| 480 | } |
| 481 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 482 | return sk_sp<GrFragmentProcessor>(new ColorTableEffect(texture, atlas, row, flags)); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 483 | } |
| 484 | |
| 485 | ColorTableEffect::ColorTableEffect(GrTexture* texture, GrTextureStripAtlas* atlas, int row, |
| 486 | unsigned flags) |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 487 | : fTextureAccess(texture) |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 488 | , fFlags(flags) |
| 489 | , fAtlas(atlas) |
| 490 | , fRow(row) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 491 | this->initClassID<ColorTableEffect>(); |
bsalomon@google.com | 50db75c | 2013-01-11 13:54:30 +0000 | [diff] [blame] | 492 | this->addTextureAccess(&fTextureAccess); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 493 | } |
| 494 | |
| 495 | ColorTableEffect::~ColorTableEffect() { |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 496 | if (fAtlas) { |
| 497 | fAtlas->unlockRow(fRow); |
| 498 | } |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 499 | } |
| 500 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 501 | void ColorTableEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps, |
| 502 | GrProcessorKeyBuilder* b) const { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 503 | GLColorTableEffect::GenKey(*this, caps, b); |
| 504 | } |
| 505 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 506 | GrGLSLFragmentProcessor* ColorTableEffect::onCreateGLSLInstance() const { |
robertphillips | 9cdb992 | 2016-02-03 12:25:40 -0800 | [diff] [blame] | 507 | return new GLColorTableEffect; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 508 | } |
| 509 | |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 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 | |
egdaniel | 605dd0f | 2014-11-12 08:35:25 -0800 | [diff] [blame] | 520 | void ColorTableEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const { |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 521 | // If we kept the table in the effect then we could actually run known inputs through the |
| 522 | // table. |
bsalomon | ae4738f | 2015-09-15 15:33:27 -0700 | [diff] [blame] | 523 | GrColorComponentFlags invalidateFlags = kNone_GrColorComponentFlags; |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 524 | if (fFlags & SkTable_ColorFilter::kR_Flag) { |
egdaniel | ccb2e38 | 2014-10-13 12:53:46 -0700 | [diff] [blame] | 525 | invalidateFlags |= kR_GrColorComponentFlag; |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 526 | } |
| 527 | if (fFlags & SkTable_ColorFilter::kG_Flag) { |
egdaniel | ccb2e38 | 2014-10-13 12:53:46 -0700 | [diff] [blame] | 528 | invalidateFlags |= kG_GrColorComponentFlag; |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 529 | } |
| 530 | if (fFlags & SkTable_ColorFilter::kB_Flag) { |
egdaniel | ccb2e38 | 2014-10-13 12:53:46 -0700 | [diff] [blame] | 531 | invalidateFlags |= kB_GrColorComponentFlag; |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 532 | } |
| 533 | if (fFlags & SkTable_ColorFilter::kA_Flag) { |
egdaniel | ccb2e38 | 2014-10-13 12:53:46 -0700 | [diff] [blame] | 534 | invalidateFlags |= kA_GrColorComponentFlag; |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 535 | } |
egdaniel | 605dd0f | 2014-11-12 08:35:25 -0800 | [diff] [blame] | 536 | inout->invalidateComponents(invalidateFlags, GrInvariantOutput::kWill_ReadInput); |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 537 | } |
| 538 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 539 | /////////////////////////////////////////////////////////////////////////////// |
| 540 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 541 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(ColorTableEffect); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 542 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 543 | sk_sp<GrFragmentProcessor> ColorTableEffect::TestCreate(GrProcessorTestData* d) { |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 544 | int flags = 0; |
| 545 | uint8_t luts[256][4]; |
| 546 | do { |
| 547 | for (int i = 0; i < 4; ++i) { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 548 | flags |= d->fRandom->nextBool() ? (1 << i): 0; |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 549 | } |
| 550 | } while (!flags); |
| 551 | for (int i = 0; i < 4; ++i) { |
| 552 | if (flags & (1 << i)) { |
| 553 | for (int j = 0; j < 256; ++j) { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 554 | luts[j][i] = SkToU8(d->fRandom->nextBits(8)); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 555 | } |
| 556 | } |
| 557 | } |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 558 | auto filter(SkTableColorFilter::MakeARGB( |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 559 | (flags & (1 << 0)) ? luts[0] : nullptr, |
| 560 | (flags & (1 << 1)) ? luts[1] : nullptr, |
| 561 | (flags & (1 << 2)) ? luts[2] : nullptr, |
| 562 | (flags & (1 << 3)) ? luts[3] : nullptr |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 563 | )); |
Brian Osman | 618d304 | 2016-10-25 10:51:28 -0400 | [diff] [blame^] | 564 | sk_sp<SkColorSpace> colorSpace = GrTest::TestColorSpace(d->fRandom); |
| 565 | sk_sp<GrFragmentProcessor> fp = filter->asFragmentProcessor(d->fContext, colorSpace.get()); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 566 | SkASSERT(fp); |
| 567 | return fp; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 568 | } |
| 569 | |
Brian Osman | 618d304 | 2016-10-25 10:51:28 -0400 | [diff] [blame^] | 570 | sk_sp<GrFragmentProcessor> SkTable_ColorFilter::asFragmentProcessor(GrContext* context, |
| 571 | SkColorSpace*) const { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 572 | SkBitmap bitmap; |
| 573 | this->asComponentTable(&bitmap); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 574 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 575 | return ColorTableEffect::Make(context, bitmap, fFlags); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 576 | } |
| 577 | |
| 578 | #endif // SK_SUPPORT_GPU |
| 579 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 580 | /////////////////////////////////////////////////////////////////////////////// |
| 581 | |
| 582 | #ifdef SK_CPU_BENDIAN |
| 583 | #else |
| 584 | #define SK_A32_INDEX (3 - (SK_A32_SHIFT >> 3)) |
| 585 | #define SK_R32_INDEX (3 - (SK_R32_SHIFT >> 3)) |
| 586 | #define SK_G32_INDEX (3 - (SK_G32_SHIFT >> 3)) |
| 587 | #define SK_B32_INDEX (3 - (SK_B32_SHIFT >> 3)) |
| 588 | #endif |
| 589 | |
| 590 | /////////////////////////////////////////////////////////////////////////////// |
| 591 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 592 | sk_sp<SkColorFilter> SkTableColorFilter::Make(const uint8_t table[256]) { |
| 593 | return sk_make_sp<SkTable_ColorFilter>(table, table, table, table); |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 594 | } |
| 595 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 596 | sk_sp<SkColorFilter> SkTableColorFilter::MakeARGB(const uint8_t tableA[256], |
| 597 | const uint8_t tableR[256], |
| 598 | const uint8_t tableG[256], |
| 599 | const uint8_t tableB[256]) { |
| 600 | return sk_make_sp<SkTable_ColorFilter>(tableA, tableR, tableG, tableB); |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 601 | } |
djsollen@google.com | a2ca41e | 2012-03-23 19:00:34 +0000 | [diff] [blame] | 602 | |
| 603 | SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter) |
| 604 | SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter) |
| 605 | SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |