jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 1 | /* |
Mike Reed | b9641bd | 2017-05-04 10:57:40 -0400 | [diff] [blame] | 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" |
Mike Reed | b9641bd | 2017-05-04 10:57:40 -0400 | [diff] [blame] | 9 | #include "SkPM4f.h" |
Mike Klein | a9e8ef0 | 2017-01-23 14:06:55 -0500 | [diff] [blame] | 10 | #include "SkArenaAlloc.h" |
bsalomon | f276ac5 | 2015-10-09 13:36:42 -0700 | [diff] [blame] | 11 | #include "SkBitmap.h" |
Cary Clark | a4083c9 | 2017-09-15 11:59:23 -0400 | [diff] [blame] | 12 | #include "SkColorData.h" |
Mike Klein | a9e8ef0 | 2017-01-23 14:06:55 -0500 | [diff] [blame] | 13 | #include "SkRasterPipeline.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 14 | #include "SkReadBuffer.h" |
robertphillips@google.com | 1202c2a | 2013-05-23 14:00:17 +0000 | [diff] [blame] | 15 | #include "SkString.h" |
bsalomon | f276ac5 | 2015-10-09 13:36:42 -0700 | [diff] [blame] | 16 | #include "SkUnPreMultiply.h" |
| 17 | #include "SkWriteBuffer.h" |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 18 | |
Mike Klein | a9e8ef0 | 2017-01-23 14:06:55 -0500 | [diff] [blame] | 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 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 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[]) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 58 | fBitmap = nullptr; |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 59 | fFlags = 0; |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 60 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 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 | |
Brian Salomon | d3b6597 | 2017-03-22 12:05:03 -0400 | [diff] [blame] | 83 | ~SkTable_ColorFilter() override { delete fBitmap; } |
tomhudson@google.com | 1bb4be2 | 2012-07-24 17:24:21 +0000 | [diff] [blame] | 84 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 85 | bool asComponentTable(SkBitmap* table) const override; |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 86 | sk_sp<SkColorFilter> makeComposed(sk_sp<SkColorFilter> inner) const override; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 87 | |
| 88 | #if SK_SUPPORT_GPU |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 89 | std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(GrContext*, |
| 90 | SkColorSpace*) const override; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 91 | #endif |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 92 | |
commit-bot@chromium.org | 0f10f7b | 2014-03-13 18:02:17 +0000 | [diff] [blame] | 93 | SK_TO_STRING_OVERRIDE() |
robertphillips@google.com | 1202c2a | 2013-05-23 14:00:17 +0000 | [diff] [blame] | 94 | |
djsollen@google.com | ba28d03 | 2012-03-26 17:57:35 +0000 | [diff] [blame] | 95 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTable_ColorFilter) |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 96 | |
bsalomon@google.com | 371e105 | 2013-01-11 21:08:55 +0000 | [diff] [blame] | 97 | enum { |
| 98 | kA_Flag = 1 << 0, |
| 99 | kR_Flag = 1 << 1, |
| 100 | kG_Flag = 1 << 2, |
| 101 | kB_Flag = 1 << 3, |
| 102 | }; |
| 103 | |
Mike Klein | fdf3103 | 2017-05-09 14:57:58 -0400 | [diff] [blame] | 104 | void onAppendStages(SkRasterPipeline* p, SkColorSpace*, SkArenaAlloc* alloc, |
Mike Klein | a9e8ef0 | 2017-01-23 14:06:55 -0500 | [diff] [blame] | 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 | |
Mike Klein | 7a0ba1c | 2017-07-25 17:26:19 -0400 | [diff] [blame] | 116 | // If our inputs are out of range, we'd attempt to read values outside our tables. |
| 117 | // We could finesse this with p->clamp_if_unclamped(kPremul_SkAlphaType) here, but |
| 118 | // this filter is already slow enough that I'd rather just be paranoid and safe. |
| 119 | p->append(SkRasterPipeline::clamp_0); |
| 120 | p->append(SkRasterPipeline::clamp_a); |
| 121 | p->set_clamped(true); |
| 122 | |
Mike Klein | a9e8ef0 | 2017-01-23 14:06:55 -0500 | [diff] [blame] | 123 | if (!shaderIsOpaque) { |
| 124 | p->append(SkRasterPipeline::unpremul); |
| 125 | } |
| 126 | |
| 127 | struct Tables { const uint8_t *r, *g, *b, *a; }; |
| 128 | p->append(SkRasterPipeline::byte_tables, alloc->make<Tables>(Tables{r,g,b,a})); |
| 129 | |
| 130 | bool definitelyOpaque = shaderIsOpaque && a[0xff] == 0xff; |
| 131 | if (!definitelyOpaque) { |
| 132 | p->append(SkRasterPipeline::premul); |
| 133 | } |
Mike Klein | a9e8ef0 | 2017-01-23 14:06:55 -0500 | [diff] [blame] | 134 | } |
| 135 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 136 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 137 | void flatten(SkWriteBuffer&) const override; |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 138 | |
| 139 | private: |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 140 | mutable const SkBitmap* fBitmap; // lazily allocated |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 141 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 142 | uint8_t fStorage[256 * 4]; |
| 143 | unsigned fFlags; |
| 144 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 145 | friend class SkTableColorFilter; |
| 146 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 147 | typedef SkColorFilter INHERITED; |
| 148 | }; |
| 149 | |
commit-bot@chromium.org | 0f10f7b | 2014-03-13 18:02:17 +0000 | [diff] [blame] | 150 | #ifndef SK_IGNORE_TO_STRING |
robertphillips@google.com | 1202c2a | 2013-05-23 14:00:17 +0000 | [diff] [blame] | 151 | void SkTable_ColorFilter::toString(SkString* str) const { |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 152 | const uint8_t* table = fStorage; |
| 153 | const uint8_t* tableA = gIdentityTable; |
| 154 | const uint8_t* tableR = gIdentityTable; |
| 155 | const uint8_t* tableG = gIdentityTable; |
| 156 | const uint8_t* tableB = gIdentityTable; |
| 157 | if (fFlags & kA_Flag) { |
| 158 | tableA = table; table += 256; |
| 159 | } |
| 160 | if (fFlags & kR_Flag) { |
| 161 | tableR = table; table += 256; |
| 162 | } |
| 163 | if (fFlags & kG_Flag) { |
| 164 | tableG = table; table += 256; |
| 165 | } |
| 166 | if (fFlags & kB_Flag) { |
| 167 | tableB = table; |
| 168 | } |
| 169 | |
| 170 | str->append("SkTable_ColorFilter ("); |
| 171 | |
| 172 | for (int i = 0; i < 256; ++i) { |
| 173 | str->appendf("%d: %d,%d,%d,%d\n", |
| 174 | i, tableR[i], tableG[i], tableB[i], tableA[i]); |
| 175 | } |
| 176 | |
| 177 | str->append(")"); |
robertphillips@google.com | 1202c2a | 2013-05-23 14:00:17 +0000 | [diff] [blame] | 178 | } |
| 179 | #endif |
| 180 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 181 | static const uint8_t gCountNibBits[] = { |
| 182 | 0, 1, 1, 2, |
| 183 | 1, 2, 2, 3, |
| 184 | 1, 2, 2, 3, |
| 185 | 2, 3, 3, 4 |
| 186 | }; |
| 187 | |
| 188 | #include "SkPackBits.h" |
| 189 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 190 | void SkTable_ColorFilter::flatten(SkWriteBuffer& buffer) const { |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 191 | uint8_t storage[5*256]; |
| 192 | int count = gCountNibBits[fFlags & 0xF]; |
jschuh | 699b852 | 2015-06-04 15:10:37 -0700 | [diff] [blame] | 193 | size_t size = SkPackBits::Pack8(fStorage, count * 256, storage, |
| 194 | sizeof(storage)); |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 195 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 196 | buffer.write32(fFlags); |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 197 | buffer.writeByteArray(storage, size); |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 198 | } |
| 199 | |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 200 | sk_sp<SkFlattenable> SkTable_ColorFilter::CreateProc(SkReadBuffer& buffer) { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 201 | const int flags = buffer.read32(); |
| 202 | const size_t count = gCountNibBits[flags & 0xF]; |
| 203 | SkASSERT(count <= 4); |
| 204 | |
| 205 | uint8_t packedStorage[5*256]; |
| 206 | size_t packedSize = buffer.getArrayCount(); |
| 207 | if (!buffer.validate(packedSize <= sizeof(packedStorage))) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 208 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 209 | } |
| 210 | if (!buffer.readByteArray(packedStorage, packedSize)) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 211 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | uint8_t unpackedStorage[4*256]; |
jschuh | 699b852 | 2015-06-04 15:10:37 -0700 | [diff] [blame] | 215 | size_t unpackedSize = SkPackBits::Unpack8(packedStorage, packedSize, |
| 216 | unpackedStorage, sizeof(unpackedStorage)); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 217 | // now check that we got the size we expected |
senorblanco | 91c395a | 2014-09-25 15:51:35 -0700 | [diff] [blame] | 218 | if (!buffer.validate(unpackedSize == count*256)) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 219 | return nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 220 | } |
| 221 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 222 | const uint8_t* a = nullptr; |
| 223 | const uint8_t* r = nullptr; |
| 224 | const uint8_t* g = nullptr; |
| 225 | const uint8_t* b = nullptr; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 226 | const uint8_t* ptr = unpackedStorage; |
| 227 | |
| 228 | if (flags & kA_Flag) { |
| 229 | a = ptr; |
| 230 | ptr += 256; |
| 231 | } |
| 232 | if (flags & kR_Flag) { |
| 233 | r = ptr; |
| 234 | ptr += 256; |
| 235 | } |
| 236 | if (flags & kG_Flag) { |
| 237 | g = ptr; |
| 238 | ptr += 256; |
| 239 | } |
| 240 | if (flags & kB_Flag) { |
| 241 | b = ptr; |
| 242 | ptr += 256; |
| 243 | } |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 244 | return SkTableColorFilter::MakeARGB(a, r, g, b); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 245 | } |
| 246 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 247 | bool SkTable_ColorFilter::asComponentTable(SkBitmap* table) const { |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 248 | if (table) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 249 | if (nullptr == fBitmap) { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 250 | SkBitmap* bmp = new SkBitmap; |
reed@google.com | 9ebcac5 | 2014-01-24 18:53:42 +0000 | [diff] [blame] | 251 | bmp->allocPixels(SkImageInfo::MakeA8(256, 4)); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 252 | uint8_t* bitmapPixels = bmp->getAddr8(0, 0); |
twiz@google.com | 5807116 | 2012-07-18 21:41:50 +0000 | [diff] [blame] | 253 | int offset = 0; |
| 254 | static const unsigned kFlags[] = { kA_Flag, kR_Flag, kG_Flag, kB_Flag }; |
| 255 | |
| 256 | for (int x = 0; x < 4; ++x) { |
| 257 | if (!(fFlags & kFlags[x])) { |
| 258 | memcpy(bitmapPixels, gIdentityTable, sizeof(gIdentityTable)); |
| 259 | } else { |
| 260 | memcpy(bitmapPixels, fStorage + offset, 256); |
| 261 | offset += 256; |
| 262 | } |
| 263 | bitmapPixels += 256; |
| 264 | } |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 265 | fBitmap = bmp; |
mike@reedtribe.org | f23f5f7 | 2012-01-07 03:48:45 +0000 | [diff] [blame] | 266 | } |
| 267 | *table = *fBitmap; |
| 268 | } |
| 269 | return true; |
| 270 | } |
| 271 | |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 272 | // Combines the two lookup tables so that making a lookup using res[] has |
| 273 | // the same effect as making a lookup through inner[] then outer[]. |
| 274 | static void combine_tables(uint8_t res[256], const uint8_t outer[256], const uint8_t inner[256]) { |
| 275 | for (int i = 0; i < 256; i++) { |
| 276 | res[i] = outer[inner[i]]; |
| 277 | } |
| 278 | } |
| 279 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 280 | sk_sp<SkColorFilter> SkTable_ColorFilter::makeComposed(sk_sp<SkColorFilter> innerFilter) const { |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 281 | SkBitmap innerBM; |
| 282 | if (!innerFilter->asComponentTable(&innerBM)) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 283 | return nullptr; |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 284 | } |
| 285 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 286 | if (nullptr == innerBM.getPixels()) { |
| 287 | return nullptr; |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | const uint8_t* table = fStorage; |
| 291 | const uint8_t* tableA = gIdentityTable; |
| 292 | const uint8_t* tableR = gIdentityTable; |
| 293 | const uint8_t* tableG = gIdentityTable; |
| 294 | const uint8_t* tableB = gIdentityTable; |
| 295 | if (fFlags & kA_Flag) { |
| 296 | tableA = table; table += 256; |
| 297 | } |
| 298 | if (fFlags & kR_Flag) { |
| 299 | tableR = table; table += 256; |
| 300 | } |
| 301 | if (fFlags & kG_Flag) { |
| 302 | tableG = table; table += 256; |
| 303 | } |
| 304 | if (fFlags & kB_Flag) { |
| 305 | tableB = table; |
| 306 | } |
| 307 | |
| 308 | uint8_t concatA[256]; |
| 309 | uint8_t concatR[256]; |
| 310 | uint8_t concatG[256]; |
| 311 | uint8_t concatB[256]; |
| 312 | |
| 313 | combine_tables(concatA, tableA, innerBM.getAddr8(0, 0)); |
| 314 | combine_tables(concatR, tableR, innerBM.getAddr8(0, 1)); |
| 315 | combine_tables(concatG, tableG, innerBM.getAddr8(0, 2)); |
| 316 | combine_tables(concatB, tableB, innerBM.getAddr8(0, 3)); |
| 317 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 318 | return SkTableColorFilter::MakeARGB(concatA, concatR, concatG, concatB); |
reed | 8a8d841 | 2015-03-02 13:46:03 -0800 | [diff] [blame] | 319 | } |
| 320 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 321 | #if SK_SUPPORT_GPU |
| 322 | |
brianosman | a635936 | 2016-03-21 06:55:37 -0700 | [diff] [blame] | 323 | #include "GrContext.h" |
bsalomon | 6251d17 | 2014-10-15 10:50:36 -0700 | [diff] [blame] | 324 | #include "GrFragmentProcessor.h" |
ajuma | 95243eb | 2016-08-24 08:19:02 -0700 | [diff] [blame] | 325 | #include "GrTextureStripAtlas.h" |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 326 | #include "SkGr.h" |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 327 | #include "glsl/GrGLSLFragmentProcessor.h" |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 328 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 329 | #include "glsl/GrGLSLProgramDataManager.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 330 | #include "glsl/GrGLSLUniformHandler.h" |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 331 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 332 | class ColorTableEffect : public GrFragmentProcessor { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 333 | public: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 334 | static std::unique_ptr<GrFragmentProcessor> Make(GrContext* context, const SkBitmap& bitmap); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 335 | |
Robert Phillips | 30f9bc6 | 2017-02-22 15:28:38 -0500 | [diff] [blame] | 336 | ~ColorTableEffect() override; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 337 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 338 | const char* name() const override { return "ColorTable"; } |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 339 | |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 340 | const GrTextureStripAtlas* atlas() const { return fAtlas; } |
| 341 | int atlasRow() const { return fRow; } |
| 342 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 343 | std::unique_ptr<GrFragmentProcessor> clone() const override; |
Brian Salomon | 0e05a82 | 2017-07-25 09:43:22 -0400 | [diff] [blame] | 344 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 345 | private: |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 346 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 347 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 348 | void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; |
wangyix | 4b3050b | 2015-08-04 07:59:37 -0700 | [diff] [blame] | 349 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 350 | bool onIsEqual(const GrFragmentProcessor&) const override; |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 351 | |
Brian Salomon | 0e05a82 | 2017-07-25 09:43:22 -0400 | [diff] [blame] | 352 | ColorTableEffect(sk_sp<GrTextureProxy> proxy, GrTextureStripAtlas* atlas, int row); |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 353 | |
Brian Salomon | 0c26a9d | 2017-07-06 10:09:38 -0400 | [diff] [blame] | 354 | GR_DECLARE_FRAGMENT_PROCESSOR_TEST |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 355 | |
Brian Salomon | cb30bb2 | 2017-02-12 09:28:54 -0500 | [diff] [blame] | 356 | TextureSampler fTextureSampler; |
| 357 | GrTextureStripAtlas* fAtlas; |
| 358 | int fRow; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 359 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 360 | typedef GrFragmentProcessor INHERITED; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 361 | }; |
| 362 | |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 363 | class GLColorTableEffect : public GrGLSLFragmentProcessor { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 364 | public: |
robertphillips | 9cdb992 | 2016-02-03 12:25:40 -0800 | [diff] [blame] | 365 | void emitCode(EmitArgs&) override; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 366 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 367 | static void GenKey(const GrProcessor&, const GrShaderCaps&, GrProcessorKeyBuilder*) {} |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 368 | |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 369 | protected: |
Brian Salomon | ab015ef | 2017-04-04 10:15:51 -0400 | [diff] [blame] | 370 | void onSetData(const GrGLSLProgramDataManager&, const GrFragmentProcessor&) override; |
wangyix | b1daa86 | 2015-08-18 11:29:31 -0700 | [diff] [blame] | 371 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 372 | private: |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 373 | UniformHandle fRGBAYValuesUni; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 374 | typedef GrGLSLFragmentProcessor INHERITED; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 375 | }; |
| 376 | |
Brian Salomon | ab015ef | 2017-04-04 10:15:51 -0400 | [diff] [blame] | 377 | void GLColorTableEffect::onSetData(const GrGLSLProgramDataManager& pdm, |
| 378 | const GrFragmentProcessor& proc) { |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 379 | // The textures are organized in a strip where the rows are ordered a, r, g, b. |
| 380 | float rgbaYValues[4]; |
| 381 | const ColorTableEffect& cte = proc.cast<ColorTableEffect>(); |
| 382 | if (cte.atlas()) { |
| 383 | SkScalar yDelta = cte.atlas()->getNormalizedTexelHeight(); |
| 384 | rgbaYValues[3] = cte.atlas()->getYOffset(cte.atlasRow()) + SK_ScalarHalf * yDelta; |
| 385 | rgbaYValues[0] = rgbaYValues[3] + yDelta; |
| 386 | rgbaYValues[1] = rgbaYValues[0] + yDelta; |
| 387 | rgbaYValues[2] = rgbaYValues[1] + yDelta; |
| 388 | } else { |
| 389 | rgbaYValues[3] = 0.125; |
| 390 | rgbaYValues[0] = 0.375; |
| 391 | rgbaYValues[1] = 0.625; |
mtklein | 3f3b3d0 | 2014-12-01 11:47:08 -0800 | [diff] [blame] | 392 | rgbaYValues[2] = 0.875; |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 393 | } |
| 394 | pdm.set4fv(fRGBAYValuesUni, 1, rgbaYValues); |
| 395 | } |
| 396 | |
wangyix | 7c157a9 | 2015-07-22 15:08:53 -0700 | [diff] [blame] | 397 | void GLColorTableEffect::emitCode(EmitArgs& args) { |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 398 | const char* yoffsets; |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame^] | 399 | fRGBAYValuesUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 400 | "yoffsets", &yoffsets); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 401 | static const float kColorScaleFactor = 255.0f / 256.0f; |
| 402 | static const float kColorOffsetFactor = 1.0f / 512.0f; |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 403 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 404 | if (nullptr == args.fInputColor) { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 405 | // the input color is solid white (all ones). |
| 406 | static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor; |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame^] | 407 | fragBuilder->codeAppendf("\t\thalf4 coord = half4(%f, %f, %f, %f);\n", |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 408 | kMaxValue, kMaxValue, kMaxValue, kMaxValue); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 409 | |
| 410 | } else { |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame^] | 411 | fragBuilder->codeAppendf("\t\thalf nonZeroAlpha = max(%s.a, .0001);\n", args.fInputColor); |
| 412 | fragBuilder->codeAppendf("\t\thalf4 coord = half4(%s.rgb / nonZeroAlpha, nonZeroAlpha);\n", |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 413 | args.fInputColor); |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame^] | 414 | fragBuilder->codeAppendf("\t\tcoord = coord * %f + half4(%f, %f, %f, %f);\n", |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 415 | kColorScaleFactor, |
| 416 | kColorOffsetFactor, kColorOffsetFactor, |
| 417 | kColorOffsetFactor, kColorOffsetFactor); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 418 | } |
| 419 | |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 420 | SkString coord; |
| 421 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 422 | fragBuilder->codeAppendf("\t\t%s.a = ", args.fOutputColor); |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame^] | 423 | coord.printf("half2(coord.a, %s.a)", yoffsets); |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 424 | fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 425 | fragBuilder->codeAppend(".a;\n"); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 426 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 427 | fragBuilder->codeAppendf("\t\t%s.r = ", args.fOutputColor); |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame^] | 428 | coord.printf("half2(coord.r, %s.r)", yoffsets); |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 429 | fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 430 | fragBuilder->codeAppend(".a;\n"); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 431 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 432 | fragBuilder->codeAppendf("\t\t%s.g = ", args.fOutputColor); |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame^] | 433 | coord.printf("half2(coord.g, %s.g)", yoffsets); |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 434 | fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 435 | fragBuilder->codeAppend(".a;\n"); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 436 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 437 | fragBuilder->codeAppendf("\t\t%s.b = ", args.fOutputColor); |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame^] | 438 | coord.printf("half2(coord.b, %s.b)", yoffsets); |
cdalton | 3f6f76f | 2016-04-11 12:18:09 -0700 | [diff] [blame] | 439 | fragBuilder->appendTextureLookup(args.fTexSamplers[0], coord.c_str()); |
bsalomon | cdee009 | 2016-01-08 13:20:12 -0800 | [diff] [blame] | 440 | fragBuilder->codeAppend(".a;\n"); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 441 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 442 | 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] | 443 | } |
| 444 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 445 | /////////////////////////////////////////////////////////////////////////////// |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 446 | std::unique_ptr<GrFragmentProcessor> ColorTableEffect::Make(GrContext* context, |
| 447 | const SkBitmap& bitmap) { |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 448 | GrTextureStripAtlas::Desc desc; |
| 449 | desc.fWidth = bitmap.width(); |
| 450 | desc.fHeight = 128; |
| 451 | desc.fRowHeight = bitmap.height(); |
Robert Phillips | 26c90e0 | 2017-03-14 14:39:29 -0400 | [diff] [blame] | 452 | |
| 453 | // TODO: this seems a bit heavy handed (passing a GrContext as part of the desc) |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 454 | desc.fContext = context; |
brianosman | a635936 | 2016-03-21 06:55:37 -0700 | [diff] [blame] | 455 | desc.fConfig = SkImageInfo2GrPixelConfig(bitmap.info(), *context->caps()); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 456 | GrTextureStripAtlas* atlas = GrTextureStripAtlas::GetAtlas(desc); |
| 457 | int row = atlas->lockRow(bitmap); |
Robert Phillips | 30f9bc6 | 2017-02-22 15:28:38 -0500 | [diff] [blame] | 458 | sk_sp<GrTextureProxy> proxy; |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 459 | if (-1 == row) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 460 | atlas = nullptr; |
Robert Phillips | 6f9f7eb | 2017-02-18 15:15:51 -0500 | [diff] [blame] | 461 | |
Robert Phillips | 26c90e0 | 2017-03-14 14:39:29 -0400 | [diff] [blame] | 462 | proxy = GrMakeCachedBitmapProxy(context->resourceProvider(), bitmap); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 463 | } else { |
Robert Phillips | 30f9bc6 | 2017-02-22 15:28:38 -0500 | [diff] [blame] | 464 | proxy = atlas->asTextureProxyRef(); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 465 | } |
| 466 | |
Robert Phillips | 30f9bc6 | 2017-02-22 15:28:38 -0500 | [diff] [blame] | 467 | if (!proxy) { |
Robert Phillips | 6f9f7eb | 2017-02-18 15:15:51 -0500 | [diff] [blame] | 468 | return nullptr; |
| 469 | } |
| 470 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 471 | return std::unique_ptr<GrFragmentProcessor>(new ColorTableEffect(std::move(proxy), atlas, row)); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 472 | } |
| 473 | |
Brian Salomon | 0e05a82 | 2017-07-25 09:43:22 -0400 | [diff] [blame] | 474 | ColorTableEffect::ColorTableEffect(sk_sp<GrTextureProxy> proxy, GrTextureStripAtlas* atlas, int row) |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 475 | : INHERITED(kNone_OptimizationFlags) // Not bothering with table-specific optimizations. |
Robert Phillips | fbcef6e | 2017-06-15 12:07:18 -0400 | [diff] [blame] | 476 | , fTextureSampler(std::move(proxy)) |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 477 | , fAtlas(atlas) |
| 478 | , fRow(row) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 479 | this->initClassID<ColorTableEffect>(); |
Brian Salomon | 0bbecb2 | 2016-11-17 11:38:22 -0500 | [diff] [blame] | 480 | this->addTextureSampler(&fTextureSampler); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 481 | } |
| 482 | |
| 483 | ColorTableEffect::~ColorTableEffect() { |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 484 | if (fAtlas) { |
| 485 | fAtlas->unlockRow(fRow); |
| 486 | } |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 487 | } |
| 488 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 489 | std::unique_ptr<GrFragmentProcessor> ColorTableEffect::clone() const { |
Brian Salomon | 0e05a82 | 2017-07-25 09:43:22 -0400 | [diff] [blame] | 490 | fAtlas->lockRow(fRow); |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 491 | return std::unique_ptr<GrFragmentProcessor>( |
Brian Salomon | 0e05a82 | 2017-07-25 09:43:22 -0400 | [diff] [blame] | 492 | new ColorTableEffect(sk_ref_sp(fTextureSampler.proxy()), fAtlas, fRow)); |
| 493 | } |
| 494 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 495 | void ColorTableEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 496 | GrProcessorKeyBuilder* b) const { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 497 | GLColorTableEffect::GenKey(*this, caps, b); |
| 498 | } |
| 499 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 500 | GrGLSLFragmentProcessor* ColorTableEffect::onCreateGLSLInstance() const { |
robertphillips | 9cdb992 | 2016-02-03 12:25:40 -0800 | [diff] [blame] | 501 | return new GLColorTableEffect; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 502 | } |
| 503 | |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 504 | bool ColorTableEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| 505 | // For non-atlased instances, the texture (compared by base class) is sufficient to |
| 506 | // differentiate different tables. For atlased instances we ensure they are using the |
| 507 | // same row. |
| 508 | const ColorTableEffect& that = other.cast<ColorTableEffect>(); |
| 509 | SkASSERT(SkToBool(fAtlas) == SkToBool(that.fAtlas)); |
| 510 | // Ok to always do this comparison since both would be -1 if non-atlased. |
| 511 | return fRow == that.fRow; |
| 512 | } |
| 513 | |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 514 | /////////////////////////////////////////////////////////////////////////////// |
| 515 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 516 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(ColorTableEffect); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 517 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 518 | #if GR_TEST_UTILS |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 519 | std::unique_ptr<GrFragmentProcessor> ColorTableEffect::TestCreate(GrProcessorTestData* d) { |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 520 | int flags = 0; |
| 521 | uint8_t luts[256][4]; |
| 522 | do { |
| 523 | for (int i = 0; i < 4; ++i) { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 524 | flags |= d->fRandom->nextBool() ? (1 << i): 0; |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 525 | } |
| 526 | } while (!flags); |
| 527 | for (int i = 0; i < 4; ++i) { |
| 528 | if (flags & (1 << i)) { |
| 529 | for (int j = 0; j < 256; ++j) { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 530 | luts[j][i] = SkToU8(d->fRandom->nextBits(8)); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 531 | } |
| 532 | } |
| 533 | } |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 534 | auto filter(SkTableColorFilter::MakeARGB( |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 535 | (flags & (1 << 0)) ? luts[0] : nullptr, |
| 536 | (flags & (1 << 1)) ? luts[1] : nullptr, |
| 537 | (flags & (1 << 2)) ? luts[2] : nullptr, |
| 538 | (flags & (1 << 3)) ? luts[3] : nullptr |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 539 | )); |
Brian Osman | 618d304 | 2016-10-25 10:51:28 -0400 | [diff] [blame] | 540 | sk_sp<SkColorSpace> colorSpace = GrTest::TestColorSpace(d->fRandom); |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 541 | auto fp = filter->asFragmentProcessor(d->context(), colorSpace.get()); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 542 | SkASSERT(fp); |
| 543 | return fp; |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 544 | } |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 545 | #endif |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 546 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 547 | std::unique_ptr<GrFragmentProcessor> SkTable_ColorFilter::asFragmentProcessor(GrContext* context, |
| 548 | SkColorSpace*) const { |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 549 | SkBitmap bitmap; |
| 550 | this->asComponentTable(&bitmap); |
bsalomon | c6327a8 | 2014-10-27 12:53:08 -0700 | [diff] [blame] | 551 | |
Brian Salomon | 0e05a82 | 2017-07-25 09:43:22 -0400 | [diff] [blame] | 552 | return ColorTableEffect::Make(context, bitmap); |
bsalomon@google.com | b2ad101 | 2012-10-17 15:00:32 +0000 | [diff] [blame] | 553 | } |
| 554 | |
| 555 | #endif // SK_SUPPORT_GPU |
| 556 | |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 557 | /////////////////////////////////////////////////////////////////////////////// |
| 558 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 559 | sk_sp<SkColorFilter> SkTableColorFilter::Make(const uint8_t table[256]) { |
| 560 | return sk_make_sp<SkTable_ColorFilter>(table, table, table, table); |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 561 | } |
| 562 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 563 | sk_sp<SkColorFilter> SkTableColorFilter::MakeARGB(const uint8_t tableA[256], |
| 564 | const uint8_t tableR[256], |
| 565 | const uint8_t tableG[256], |
| 566 | const uint8_t tableB[256]) { |
| 567 | return sk_make_sp<SkTable_ColorFilter>(tableA, tableR, tableG, tableB); |
mike@reedtribe.org | a69b48c | 2011-12-28 20:31:00 +0000 | [diff] [blame] | 568 | } |
djsollen@google.com | a2ca41e | 2012-03-23 19:00:34 +0000 | [diff] [blame] | 569 | |
| 570 | SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter) |
| 571 | SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter) |
| 572 | SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |