commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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 "SkPictureShader.h" |
| 9 | |
| 10 | #include "SkBitmap.h" |
| 11 | #include "SkBitmapProcShader.h" |
| 12 | #include "SkCanvas.h" |
fmalita | 23df2d6 | 2014-10-22 07:39:08 -0700 | [diff] [blame^] | 13 | #include "SkDiscardableMemory.h" |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 14 | #include "SkMatrixUtils.h" |
| 15 | #include "SkPicture.h" |
| 16 | #include "SkReadBuffer.h" |
fmalita | 23df2d6 | 2014-10-22 07:39:08 -0700 | [diff] [blame^] | 17 | #include "SkResourceCache.h" |
| 18 | #include "SkThread.h" |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 19 | |
| 20 | #if SK_SUPPORT_GPU |
| 21 | #include "GrContext.h" |
| 22 | #endif |
| 23 | |
fmalita | 23df2d6 | 2014-10-22 07:39:08 -0700 | [diff] [blame^] | 24 | struct BitmapShaderKey : public SkResourceCache::Key { |
| 25 | public: |
| 26 | BitmapShaderKey(uint32_t pictureID, |
| 27 | const SkRect& tile, |
| 28 | SkShader::TileMode tmx, |
| 29 | SkShader::TileMode tmy, |
| 30 | const SkSize& scale, |
| 31 | const SkMatrix& localMatrix) |
| 32 | : fPictureID(pictureID) |
| 33 | , fTile(tile) |
| 34 | , fTmx(tmx) |
| 35 | , fTmy(tmy) |
| 36 | , fScale(scale) |
| 37 | , fLocalMatrix(localMatrix) { |
| 38 | |
| 39 | static const size_t keySize = sizeof(fPictureID) + |
| 40 | sizeof(fTile) + |
| 41 | sizeof(fTmx) + sizeof(fTmy) + |
| 42 | sizeof(fScale) + |
| 43 | sizeof(fLocalMatrix); |
| 44 | // This better be packed. |
| 45 | SkASSERT(sizeof(uint32_t) * (&fEndOfStruct - &fPictureID) == keySize); |
| 46 | this->init(keySize); |
| 47 | } |
| 48 | |
| 49 | private: |
| 50 | uint32_t fPictureID; |
| 51 | SkRect fTile; |
| 52 | SkShader::TileMode fTmx, fTmy; |
| 53 | SkSize fScale; |
| 54 | SkMatrix fLocalMatrix; |
| 55 | |
| 56 | SkDEBUGCODE(uint32_t fEndOfStruct;) |
| 57 | }; |
| 58 | |
| 59 | struct BitmapShaderRec : public SkResourceCache::Rec { |
| 60 | BitmapShaderRec(const BitmapShaderKey& key, SkShader* tileShader, size_t bitmapBytes) |
| 61 | : fKey(key) |
| 62 | , fShader(SkRef(tileShader)) |
| 63 | , fBitmapBytes(bitmapBytes) {} |
| 64 | |
| 65 | BitmapShaderKey fKey; |
| 66 | SkAutoTUnref<SkShader> fShader; |
| 67 | size_t fBitmapBytes; |
| 68 | |
| 69 | virtual const Key& getKey() const SK_OVERRIDE { return fKey; } |
| 70 | virtual size_t bytesUsed() const SK_OVERRIDE { |
| 71 | return sizeof(fKey) + sizeof(SkShader) + fBitmapBytes; |
| 72 | } |
| 73 | |
| 74 | static bool Visitor(const SkResourceCache::Rec& baseRec, void* contextShader) { |
| 75 | const BitmapShaderRec& rec = static_cast<const BitmapShaderRec&>(baseRec); |
| 76 | SkAutoTUnref<SkShader>* result = reinterpret_cast<SkAutoTUnref<SkShader>*>(contextShader); |
| 77 | |
| 78 | result->reset(SkRef(rec.fShader.get())); |
| 79 | return true; |
| 80 | } |
| 81 | }; |
| 82 | |
| 83 | // FIXME: there's considerable boilerplate/duplication here vs. the global resource cache. |
| 84 | SK_DECLARE_STATIC_MUTEX(gBitmapShaderCacheMutex); |
| 85 | static SkResourceCache* gBitmapShaderCache = NULL; |
| 86 | |
| 87 | #ifndef SK_DEFAULT_TILE_CACHE_LIMIT |
| 88 | #define SK_DEFAULT_TILE_CACHE_LIMIT (2 * 1024 * 1024) |
| 89 | #endif |
| 90 | |
| 91 | static void cleanup_cache() { |
| 92 | // We'll clean this up in our own tests, but disable for clients. |
| 93 | // Chrome seems to have funky multi-process things going on in unit tests that |
| 94 | // makes this unsafe to delete when the main process atexit()s. |
| 95 | // SkLazyPtr does the same sort of thing. |
| 96 | #if SK_DEVELOPER |
| 97 | SkDELETE(gBitmapShaderCache); |
| 98 | #endif |
| 99 | } |
| 100 | |
| 101 | /** Must hold gBitmapShaderCacheMutex when calling. */ |
| 102 | static SkResourceCache* cache() { |
| 103 | // gTileCacheMutex is always held when this is called, so we don't need to be fancy in here. |
| 104 | gBitmapShaderCacheMutex.assertHeld(); |
| 105 | if (NULL == gBitmapShaderCache) { |
| 106 | #ifdef SK_USE_DISCARDABLE_SCALEDIMAGECACHE |
| 107 | gBitmapShaderCache = SkNEW_ARGS(SkResourceCache, (SkDiscardableMemory::Create)); |
| 108 | #else |
| 109 | gBitmapShaderCache = SkNEW_ARGS(SkResourceCache, (SK_DEFAULT_TILE_CACHE_LIMIT)); |
| 110 | #endif |
| 111 | atexit(cleanup_cache); |
| 112 | } |
| 113 | return gBitmapShaderCache; |
| 114 | } |
| 115 | |
| 116 | static bool cache_find(const BitmapShaderKey& key, SkAutoTUnref<SkShader>* result) { |
| 117 | SkAutoMutexAcquire am(gBitmapShaderCacheMutex); |
| 118 | return cache()->find(key, BitmapShaderRec::Visitor, result); |
| 119 | } |
| 120 | |
| 121 | static void cache_add(BitmapShaderRec* rec) { |
| 122 | SkAutoMutexAcquire am(gBitmapShaderCacheMutex); |
| 123 | cache()->add(rec); |
| 124 | } |
| 125 | |
| 126 | static bool cache_try_alloc_pixels(SkBitmap* bitmap) { |
| 127 | SkAutoMutexAcquire am(gBitmapShaderCacheMutex); |
| 128 | SkBitmap::Allocator* allocator = cache()->allocator(); |
| 129 | |
| 130 | if (NULL != allocator) { |
| 131 | return allocator->allocPixelRef(bitmap, NULL); |
| 132 | } else { |
| 133 | return bitmap->tryAllocPixels(); |
| 134 | } |
| 135 | } |
| 136 | |
robertphillips | e846499 | 2014-07-14 07:53:26 -0700 | [diff] [blame] | 137 | SkPictureShader::SkPictureShader(const SkPicture* picture, TileMode tmx, TileMode tmy, |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 138 | const SkMatrix* localMatrix, const SkRect* tile) |
commit-bot@chromium.org | 5aacfe9 | 2014-05-02 21:23:52 +0000 | [diff] [blame] | 139 | : INHERITED(localMatrix) |
| 140 | , fPicture(SkRef(picture)) |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 141 | , fTile(tile ? *tile : picture->cullRect()) |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 142 | , fTmx(tmx) |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 143 | , fTmy(tmy) { |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 144 | } |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 145 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 146 | #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
| 147 | SkPictureShader::SkPictureShader(SkReadBuffer& buffer) : INHERITED(buffer) { |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 148 | fTmx = static_cast<SkShader::TileMode>(buffer.read32()); |
| 149 | fTmy = static_cast<SkShader::TileMode>(buffer.read32()); |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 150 | buffer.readRect(&fTile); |
commit-bot@chromium.org | 855e88e | 2014-04-21 19:33:12 +0000 | [diff] [blame] | 151 | fPicture = SkPicture::CreateFromBuffer(buffer); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 152 | } |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 153 | #endif |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 154 | |
| 155 | SkPictureShader::~SkPictureShader() { |
commit-bot@chromium.org | 855e88e | 2014-04-21 19:33:12 +0000 | [diff] [blame] | 156 | fPicture->unref(); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 157 | } |
| 158 | |
robertphillips | e846499 | 2014-07-14 07:53:26 -0700 | [diff] [blame] | 159 | SkPictureShader* SkPictureShader::Create(const SkPicture* picture, TileMode tmx, TileMode tmy, |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 160 | const SkMatrix* localMatrix, const SkRect* tile) { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 161 | if (!picture || picture->cullRect().isEmpty() || (tile && tile->isEmpty())) { |
commit-bot@chromium.org | 855e88e | 2014-04-21 19:33:12 +0000 | [diff] [blame] | 162 | return NULL; |
| 163 | } |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 164 | return SkNEW_ARGS(SkPictureShader, (picture, tmx, tmy, localMatrix, tile)); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 165 | } |
| 166 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 167 | SkFlattenable* SkPictureShader::CreateProc(SkReadBuffer& buffer) { |
| 168 | SkMatrix lm; |
| 169 | buffer.readMatrix(&lm); |
| 170 | TileMode mx = (TileMode)buffer.read32(); |
| 171 | TileMode my = (TileMode)buffer.read32(); |
| 172 | SkRect tile; |
| 173 | buffer.readRect(&tile); |
| 174 | SkAutoTUnref<SkPicture> picture(SkPicture::CreateFromBuffer(buffer)); |
| 175 | return SkPictureShader::Create(picture, mx, my, &lm, &tile); |
| 176 | } |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 177 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 178 | void SkPictureShader::flatten(SkWriteBuffer& buffer) const { |
| 179 | buffer.writeMatrix(this->getLocalMatrix()); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 180 | buffer.write32(fTmx); |
| 181 | buffer.write32(fTmy); |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 182 | buffer.writeRect(fTile); |
commit-bot@chromium.org | 855e88e | 2014-04-21 19:33:12 +0000 | [diff] [blame] | 183 | fPicture->flatten(buffer); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 184 | } |
| 185 | |
commit-bot@chromium.org | 80116dc | 2014-05-06 17:16:03 +0000 | [diff] [blame] | 186 | SkShader* SkPictureShader::refBitmapShader(const SkMatrix& matrix, const SkMatrix* localM) const { |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 187 | SkASSERT(fPicture && !fPicture->cullRect().isEmpty()); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 188 | |
| 189 | SkMatrix m; |
commit-bot@chromium.org | 5970f62 | 2014-05-12 20:42:21 +0000 | [diff] [blame] | 190 | m.setConcat(matrix, this->getLocalMatrix()); |
commit-bot@chromium.org | 80116dc | 2014-05-06 17:16:03 +0000 | [diff] [blame] | 191 | if (localM) { |
| 192 | m.preConcat(*localM); |
| 193 | } |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 194 | |
| 195 | // Use a rotation-invariant scale |
| 196 | SkPoint scale; |
| 197 | if (!SkDecomposeUpper2x2(m, NULL, &scale, NULL)) { |
| 198 | // Decomposition failed, use an approximation. |
| 199 | scale.set(SkScalarSqrt(m.getScaleX() * m.getScaleX() + m.getSkewX() * m.getSkewX()), |
| 200 | SkScalarSqrt(m.getScaleY() * m.getScaleY() + m.getSkewY() * m.getSkewY())); |
| 201 | } |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 202 | SkSize scaledSize = SkSize::Make(scale.x() * fTile.width(), scale.y() * fTile.height()); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 203 | |
fmalita | bb204f4 | 2014-08-07 08:39:24 -0700 | [diff] [blame] | 204 | // Clamp the tile size to about 16M pixels |
| 205 | static const SkScalar kMaxTileArea = 4096 * 4096; |
| 206 | SkScalar tileArea = SkScalarMul(scaledSize.width(), scaledSize.height()); |
| 207 | if (tileArea > kMaxTileArea) { |
| 208 | SkScalar clampScale = SkScalarSqrt(SkScalarDiv(kMaxTileArea, tileArea)); |
| 209 | scaledSize.set(SkScalarMul(scaledSize.width(), clampScale), |
| 210 | SkScalarMul(scaledSize.height(), clampScale)); |
| 211 | } |
| 212 | |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 213 | SkISize tileSize = scaledSize.toRound(); |
| 214 | if (tileSize.isEmpty()) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 215 | return NULL; |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 216 | } |
| 217 | |
fmalita | bb204f4 | 2014-08-07 08:39:24 -0700 | [diff] [blame] | 218 | // The actual scale, compensating for rounding & clamping. |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 219 | SkSize tileScale = SkSize::Make(SkIntToScalar(tileSize.width()) / fTile.width(), |
| 220 | SkIntToScalar(tileSize.height()) / fTile.height()); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 221 | |
fmalita | 23df2d6 | 2014-10-22 07:39:08 -0700 | [diff] [blame^] | 222 | SkAutoTUnref<SkShader> tileShader; |
| 223 | BitmapShaderKey key(fPicture->uniqueID(), |
| 224 | fTile, |
| 225 | fTmx, |
| 226 | fTmy, |
| 227 | tileScale, |
| 228 | this->getLocalMatrix()); |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 229 | |
fmalita | 23df2d6 | 2014-10-22 07:39:08 -0700 | [diff] [blame^] | 230 | if (!cache_find(key, &tileShader)) { |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 231 | SkBitmap bm; |
fmalita | 23df2d6 | 2014-10-22 07:39:08 -0700 | [diff] [blame^] | 232 | bm.setInfo(SkImageInfo::MakeN32Premul(tileSize)); |
| 233 | if (!cache_try_alloc_pixels(&bm)) { |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 234 | return NULL; |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 235 | } |
| 236 | bm.eraseColor(SK_ColorTRANSPARENT); |
| 237 | |
| 238 | SkCanvas canvas(bm); |
| 239 | canvas.scale(tileScale.width(), tileScale.height()); |
fmalita | b5f7826 | 2014-08-06 13:07:15 -0700 | [diff] [blame] | 240 | canvas.translate(fTile.x(), fTile.y()); |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 241 | canvas.drawPicture(fPicture); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 242 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 243 | SkMatrix shaderMatrix = this->getLocalMatrix(); |
| 244 | shaderMatrix.preScale(1 / tileScale.width(), 1 / tileScale.height()); |
fmalita | 23df2d6 | 2014-10-22 07:39:08 -0700 | [diff] [blame^] | 245 | tileShader.reset(CreateBitmapShader(bm, fTmx, fTmy, &shaderMatrix)); |
| 246 | |
| 247 | cache_add(SkNEW_ARGS(BitmapShaderRec, (key, tileShader.get(), bm.getSize()))); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 248 | } |
| 249 | |
fmalita | 23df2d6 | 2014-10-22 07:39:08 -0700 | [diff] [blame^] | 250 | return tileShader.detach(); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 251 | } |
| 252 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 253 | size_t SkPictureShader::contextSize() const { |
| 254 | return sizeof(PictureShaderContext); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 255 | } |
| 256 | |
commit-bot@chromium.org | ce56d96 | 2014-05-05 18:39:18 +0000 | [diff] [blame] | 257 | SkShader::Context* SkPictureShader::onCreateContext(const ContextRec& rec, void* storage) const { |
commit-bot@chromium.org | 80116dc | 2014-05-06 17:16:03 +0000 | [diff] [blame] | 258 | SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(*rec.fMatrix, rec.fLocalMatrix)); |
commit-bot@chromium.org | ce56d96 | 2014-05-05 18:39:18 +0000 | [diff] [blame] | 259 | if (NULL == bitmapShader.get()) { |
| 260 | return NULL; |
| 261 | } |
commit-bot@chromium.org | f03f9ff | 2014-05-06 13:43:17 +0000 | [diff] [blame] | 262 | return PictureShaderContext::Create(storage, *this, rec, bitmapShader); |
commit-bot@chromium.org | ce56d96 | 2014-05-05 18:39:18 +0000 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | ///////////////////////////////////////////////////////////////////////////////////////// |
| 266 | |
| 267 | SkShader::Context* SkPictureShader::PictureShaderContext::Create(void* storage, |
| 268 | const SkPictureShader& shader, const ContextRec& rec, SkShader* bitmapShader) { |
| 269 | PictureShaderContext* ctx = SkNEW_PLACEMENT_ARGS(storage, PictureShaderContext, |
| 270 | (shader, rec, bitmapShader)); |
| 271 | if (NULL == ctx->fBitmapShaderContext) { |
| 272 | ctx->~PictureShaderContext(); |
| 273 | ctx = NULL; |
| 274 | } |
| 275 | return ctx; |
| 276 | } |
| 277 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 278 | SkPictureShader::PictureShaderContext::PictureShaderContext( |
commit-bot@chromium.org | e901b6d | 2014-05-01 19:31:31 +0000 | [diff] [blame] | 279 | const SkPictureShader& shader, const ContextRec& rec, SkShader* bitmapShader) |
| 280 | : INHERITED(shader, rec) |
commit-bot@chromium.org | ce56d96 | 2014-05-05 18:39:18 +0000 | [diff] [blame] | 281 | , fBitmapShader(SkRef(bitmapShader)) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 282 | { |
commit-bot@chromium.org | ce56d96 | 2014-05-05 18:39:18 +0000 | [diff] [blame] | 283 | fBitmapShaderContextStorage = sk_malloc_throw(bitmapShader->contextSize()); |
| 284 | fBitmapShaderContext = bitmapShader->createContext(rec, fBitmapShaderContextStorage); |
| 285 | //if fBitmapShaderContext is null, we are invalid |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 286 | } |
| 287 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 288 | SkPictureShader::PictureShaderContext::~PictureShaderContext() { |
commit-bot@chromium.org | ce56d96 | 2014-05-05 18:39:18 +0000 | [diff] [blame] | 289 | if (fBitmapShaderContext) { |
| 290 | fBitmapShaderContext->~Context(); |
| 291 | } |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 292 | sk_free(fBitmapShaderContextStorage); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 293 | } |
| 294 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 295 | uint32_t SkPictureShader::PictureShaderContext::getFlags() const { |
commit-bot@chromium.org | ce56d96 | 2014-05-05 18:39:18 +0000 | [diff] [blame] | 296 | SkASSERT(fBitmapShaderContext); |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 297 | return fBitmapShaderContext->getFlags(); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 298 | } |
| 299 | |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 300 | SkShader::Context::ShadeProc SkPictureShader::PictureShaderContext::asAShadeProc(void** ctx) { |
commit-bot@chromium.org | ce56d96 | 2014-05-05 18:39:18 +0000 | [diff] [blame] | 301 | SkASSERT(fBitmapShaderContext); |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 302 | return fBitmapShaderContext->asAShadeProc(ctx); |
| 303 | } |
| 304 | |
| 305 | void SkPictureShader::PictureShaderContext::shadeSpan(int x, int y, SkPMColor dstC[], int count) { |
| 306 | SkASSERT(fBitmapShaderContext); |
| 307 | fBitmapShaderContext->shadeSpan(x, y, dstC, count); |
| 308 | } |
| 309 | |
| 310 | void SkPictureShader::PictureShaderContext::shadeSpan16(int x, int y, uint16_t dstC[], int count) { |
| 311 | SkASSERT(fBitmapShaderContext); |
| 312 | fBitmapShaderContext->shadeSpan16(x, y, dstC, count); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | #ifndef SK_IGNORE_TO_STRING |
| 316 | void SkPictureShader::toString(SkString* str) const { |
| 317 | static const char* gTileModeName[SkShader::kTileModeCount] = { |
| 318 | "clamp", "repeat", "mirror" |
| 319 | }; |
| 320 | |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 321 | str->appendf("PictureShader: [%f:%f:%f:%f] ", |
| 322 | fPicture ? fPicture->cullRect().fLeft : 0, |
| 323 | fPicture ? fPicture->cullRect().fTop : 0, |
| 324 | fPicture ? fPicture->cullRect().fRight : 0, |
| 325 | fPicture ? fPicture->cullRect().fBottom : 0); |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 326 | |
| 327 | str->appendf("(%s, %s)", gTileModeName[fTmx], gTileModeName[fTmy]); |
| 328 | |
| 329 | this->INHERITED::toString(str); |
| 330 | } |
| 331 | #endif |
| 332 | |
| 333 | #if SK_SUPPORT_GPU |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 334 | bool SkPictureShader::asFragmentProcessor(GrContext* context, const SkPaint& paint, |
| 335 | const SkMatrix* localMatrix, GrColor* paintColor, |
| 336 | GrFragmentProcessor** fp) const { |
commit-bot@chromium.org | 96fb748 | 2014-05-09 20:28:11 +0000 | [diff] [blame] | 337 | SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(context->getMatrix(), localMatrix)); |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 338 | if (!bitmapShader) { |
dandov | 9de5b51 | 2014-06-10 14:38:28 -0700 | [diff] [blame] | 339 | return false; |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 340 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 341 | return bitmapShader->asFragmentProcessor(context, paint, NULL, paintColor, fp); |
dandov | 9de5b51 | 2014-06-10 14:38:28 -0700 | [diff] [blame] | 342 | } |
| 343 | #else |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 344 | bool SkPictureShader::asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix*, GrColor*, |
| 345 | GrFragmentProcessor**) const { |
dandov | 9de5b51 | 2014-06-10 14:38:28 -0700 | [diff] [blame] | 346 | SkDEBUGFAIL("Should not call in GPU-less build"); |
| 347 | return false; |
commit-bot@chromium.org | c5d9bb0 | 2014-04-08 15:19:34 +0000 | [diff] [blame] | 348 | } |
| 349 | #endif |