1c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org/* 2c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org * Copyright 2014 Google Inc. 3c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org * 4c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org * Use of this source code is governed by a BSD-style license that can be 5c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org * found in the LICENSE file. 6c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org */ 7c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 8c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#include "SkPictureShader.h" 9c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 10c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#include "SkBitmap.h" 11c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#include "SkBitmapProcShader.h" 12c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#include "SkCanvas.h" 13c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#include "SkMatrixUtils.h" 14c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#include "SkPicture.h" 15c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#include "SkReadBuffer.h" 1623df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita#include "SkResourceCache.h" 17c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 18c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#if SK_SUPPORT_GPU 19c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#include "GrContext.h" 20c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#endif 21c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 22171e5b73a862418f4acd61faf8cecfbc8f58694cfmalitanamespace { 23171e5b73a862418f4acd61faf8cecfbc8f58694cfmalitastatic unsigned gBitmapSkaderKeyNamespaceLabel; 24171e5b73a862418f4acd61faf8cecfbc8f58694cfmalita 2523df2d693304824a2ce7ac3d988b0e48fec1c49dfmalitastruct BitmapShaderKey : public SkResourceCache::Key { 2623df2d693304824a2ce7ac3d988b0e48fec1c49dfmalitapublic: 2723df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita BitmapShaderKey(uint32_t pictureID, 2823df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita const SkRect& tile, 2923df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkShader::TileMode tmx, 3023df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkShader::TileMode tmy, 3123df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita const SkSize& scale, 3223df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita const SkMatrix& localMatrix) 3323df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita : fPictureID(pictureID) 3423df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita , fTile(tile) 3523df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita , fTmx(tmx) 3623df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita , fTmy(tmy) 3704b49c31789201fbef969f5598a286187920dd56fmalita , fScale(scale) { 3804b49c31789201fbef969f5598a286187920dd56fmalita 3904b49c31789201fbef969f5598a286187920dd56fmalita for (int i = 0; i < 9; ++i) { 4004b49c31789201fbef969f5598a286187920dd56fmalita fLocalMatrixStorage[i] = localMatrix[i]; 4104b49c31789201fbef969f5598a286187920dd56fmalita } 4223df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 4323df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita static const size_t keySize = sizeof(fPictureID) + 4423df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita sizeof(fTile) + 4523df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita sizeof(fTmx) + sizeof(fTmy) + 4623df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita sizeof(fScale) + 4704b49c31789201fbef969f5598a286187920dd56fmalita sizeof(fLocalMatrixStorage); 4823df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita // This better be packed. 4923df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkASSERT(sizeof(uint32_t) * (&fEndOfStruct - &fPictureID) == keySize); 507eeba2587760a0802fd2b90765b4fd0e5e895375reed this->init(&gBitmapSkaderKeyNamespaceLabel, 0, keySize); 5123df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita } 5223df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 5323df2d693304824a2ce7ac3d988b0e48fec1c49dfmalitaprivate: 5423df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita uint32_t fPictureID; 5523df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkRect fTile; 5623df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkShader::TileMode fTmx, fTmy; 5723df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkSize fScale; 5804b49c31789201fbef969f5598a286187920dd56fmalita SkScalar fLocalMatrixStorage[9]; 5923df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 6023df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkDEBUGCODE(uint32_t fEndOfStruct;) 6123df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita}; 6223df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 6323df2d693304824a2ce7ac3d988b0e48fec1c49dfmalitastruct BitmapShaderRec : public SkResourceCache::Rec { 6423df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita BitmapShaderRec(const BitmapShaderKey& key, SkShader* tileShader, size_t bitmapBytes) 6523df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita : fKey(key) 6623df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita , fShader(SkRef(tileShader)) 6723df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita , fBitmapBytes(bitmapBytes) {} 6823df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 6923df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita BitmapShaderKey fKey; 7023df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkAutoTUnref<SkShader> fShader; 7123df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita size_t fBitmapBytes; 7223df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 7336352bf5e38f45a70ee4f4fc132a38048d38206dmtklein const Key& getKey() const override { return fKey; } 7436352bf5e38f45a70ee4f4fc132a38048d38206dmtklein size_t bytesUsed() const override { 7523df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita return sizeof(fKey) + sizeof(SkShader) + fBitmapBytes; 7623df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita } 7723df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 7823df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita static bool Visitor(const SkResourceCache::Rec& baseRec, void* contextShader) { 7923df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita const BitmapShaderRec& rec = static_cast<const BitmapShaderRec&>(baseRec); 8023df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkAutoTUnref<SkShader>* result = reinterpret_cast<SkAutoTUnref<SkShader>*>(contextShader); 8123df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 8223df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita result->reset(SkRef(rec.fShader.get())); 83387a01a6357b4ba6ff87ac57626de1cb6a3b31bffmalita 84f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita SkBitmap tile; 85f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita rec.fShader.get()->asABitmap(&tile, NULL, NULL); 86f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita // FIXME: this doesn't protect the pixels from being discarded as soon as we unlock. 87f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita // Should be handled via a pixel ref generator instead 88f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita // (https://code.google.com/p/skia/issues/detail?id=3220). 89f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita SkAutoLockPixels alp(tile, true); 90f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita return tile.getPixels() != NULL; 9123df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita } 9223df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita}; 9323df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 94f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalitastatic bool cache_try_alloc_pixels(SkBitmap* bitmap) { 95f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita SkBitmap::Allocator* allocator = SkResourceCache::GetAllocator(); 96f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita 97f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita return NULL != allocator 98f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita ? allocator->allocPixelRef(bitmap, NULL) 99f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita : bitmap->tryAllocPixels(); 100f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita} 101f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita 102171e5b73a862418f4acd61faf8cecfbc8f58694cfmalita} // namespace 103171e5b73a862418f4acd61faf8cecfbc8f58694cfmalita 104e8464994bbcc797b47a5ee24aa513530d2bade3brobertphillipsSkPictureShader::SkPictureShader(const SkPicture* picture, TileMode tmx, TileMode tmy, 105b5f7826c51af2862aebcabe61e1ba684f925e488fmalita const SkMatrix* localMatrix, const SkRect* tile) 1065aacfe9ffcf1849727dca6761b4a221bd4315f26commit-bot@chromium.org : INHERITED(localMatrix) 1075aacfe9ffcf1849727dca6761b4a221bd4315f26commit-bot@chromium.org , fPicture(SkRef(picture)) 10849f085dddff10473b6ebf832a974288300224e60bsalomon , fTile(tile ? *tile : picture->cullRect()) 109c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org , fTmx(tmx) 110b5f7826c51af2862aebcabe61e1ba684f925e488fmalita , fTmy(tmy) { 111b5f7826c51af2862aebcabe61e1ba684f925e488fmalita} 112c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 113f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalitaSkPictureShader::~SkPictureShader() { 114f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita fPicture->unref(); 115f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita} 116f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita 117e8464994bbcc797b47a5ee24aa513530d2bade3brobertphillipsSkPictureShader* SkPictureShader::Create(const SkPicture* picture, TileMode tmx, TileMode tmy, 118b5f7826c51af2862aebcabe61e1ba684f925e488fmalita const SkMatrix* localMatrix, const SkRect* tile) { 11949f085dddff10473b6ebf832a974288300224e60bsalomon if (!picture || picture->cullRect().isEmpty() || (tile && tile->isEmpty())) { 120855e88edfafe4b3892e99f932c38fa7433b2fcbecommit-bot@chromium.org return NULL; 121855e88edfafe4b3892e99f932c38fa7433b2fcbecommit-bot@chromium.org } 122b5f7826c51af2862aebcabe61e1ba684f925e488fmalita return SkNEW_ARGS(SkPictureShader, (picture, tmx, tmy, localMatrix, tile)); 123c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org} 124c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 1259fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reedSkFlattenable* SkPictureShader::CreateProc(SkReadBuffer& buffer) { 1269fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed SkMatrix lm; 1279fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed buffer.readMatrix(&lm); 1289fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed TileMode mx = (TileMode)buffer.read32(); 1299fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed TileMode my = (TileMode)buffer.read32(); 1309fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed SkRect tile; 1319fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed buffer.readRect(&tile); 1329fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed SkAutoTUnref<SkPicture> picture(SkPicture::CreateFromBuffer(buffer)); 1339fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed return SkPictureShader::Create(picture, mx, my, &lm, &tile); 1349fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed} 135c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 1369fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reedvoid SkPictureShader::flatten(SkWriteBuffer& buffer) const { 1379fa60daad4d5f54c0dbe3dbcc7608a8f6d721187reed buffer.writeMatrix(this->getLocalMatrix()); 138c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org buffer.write32(fTmx); 139c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org buffer.write32(fTmy); 140b5f7826c51af2862aebcabe61e1ba684f925e488fmalita buffer.writeRect(fTile); 141855e88edfafe4b3892e99f932c38fa7433b2fcbecommit-bot@chromium.org fPicture->flatten(buffer); 142c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org} 143c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 144b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kimSkShader* SkPictureShader::refBitmapShader(const SkMatrix& matrix, const SkMatrix* localM, 145b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim const int maxTextureSize) const { 146a8d7f0b13cd4c6d773fcf055fe17db75d260fa05robertphillips SkASSERT(fPicture && !fPicture->cullRect().isEmpty()); 147c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 148c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org SkMatrix m; 1495970f625e96cdc007c563ae72f343ae0d71719a1commit-bot@chromium.org m.setConcat(matrix, this->getLocalMatrix()); 15080116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org if (localM) { 15180116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org m.preConcat(*localM); 15280116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org } 153c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 154c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org // Use a rotation-invariant scale 155c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org SkPoint scale; 156adf9990cb56ca389f37f02ac637496083b3c3cfcreed // 157adf9990cb56ca389f37f02ac637496083b3c3cfcreed // TODO: replace this with decomposeScale() -- but beware LayoutTest rebaselines! 158adf9990cb56ca389f37f02ac637496083b3c3cfcreed // 159c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org if (!SkDecomposeUpper2x2(m, NULL, &scale, NULL)) { 160c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org // Decomposition failed, use an approximation. 161c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org scale.set(SkScalarSqrt(m.getScaleX() * m.getScaleX() + m.getSkewX() * m.getSkewX()), 162c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org SkScalarSqrt(m.getScaleY() * m.getScaleY() + m.getSkewY() * m.getSkewY())); 163c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org } 164b0878797b45f93b3bfe6084094c74affd10207dffmalita SkSize scaledSize = SkSize::Make(SkScalarAbs(scale.x() * fTile.width()), 165b0878797b45f93b3bfe6084094c74affd10207dffmalita SkScalarAbs(scale.y() * fTile.height())); 166c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 167511005b2ccf060bd8ca5f078f2c0c7c7da5cc084fmalita // Clamp the tile size to about 4M pixels 168511005b2ccf060bd8ca5f078f2c0c7c7da5cc084fmalita static const SkScalar kMaxTileArea = 2048 * 2048; 169bb204f4917aff10fcb65d29a2d96e53a9611c559fmalita SkScalar tileArea = SkScalarMul(scaledSize.width(), scaledSize.height()); 170bb204f4917aff10fcb65d29a2d96e53a9611c559fmalita if (tileArea > kMaxTileArea) { 17180ea19ca4bdd68c1493666a5fe7e4ce9d43ded8breed SkScalar clampScale = SkScalarSqrt(kMaxTileArea / tileArea); 172bb204f4917aff10fcb65d29a2d96e53a9611c559fmalita scaledSize.set(SkScalarMul(scaledSize.width(), clampScale), 173bb204f4917aff10fcb65d29a2d96e53a9611c559fmalita SkScalarMul(scaledSize.height(), clampScale)); 174bb204f4917aff10fcb65d29a2d96e53a9611c559fmalita } 175b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim#if SK_SUPPORT_GPU 176b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim // Scale down the tile size if larger than maxTextureSize for GPU Path or it should fail on create texture 177b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim if (maxTextureSize) { 178b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim if (scaledSize.width() > maxTextureSize || scaledSize.height() > maxTextureSize) { 17980ea19ca4bdd68c1493666a5fe7e4ce9d43ded8breed SkScalar downScale = maxTextureSize / SkMax32(scaledSize.width(), scaledSize.height()); 18088f12dbe926df806cfb5b0641f613a2e256a713bgen.kim scaledSize.set(SkScalarFloorToScalar(SkScalarMul(scaledSize.width(), downScale)), 18188f12dbe926df806cfb5b0641f613a2e256a713bgen.kim SkScalarFloorToScalar(SkScalarMul(scaledSize.height(), downScale))); 182b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim } 183b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim } 184b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim#endif 185bb204f4917aff10fcb65d29a2d96e53a9611c559fmalita 186c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org SkISize tileSize = scaledSize.toRound(); 187c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org if (tileSize.isEmpty()) { 18887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org return NULL; 189c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org } 190c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 191bb204f4917aff10fcb65d29a2d96e53a9611c559fmalita // The actual scale, compensating for rounding & clamping. 192b5f7826c51af2862aebcabe61e1ba684f925e488fmalita SkSize tileScale = SkSize::Make(SkIntToScalar(tileSize.width()) / fTile.width(), 193b5f7826c51af2862aebcabe61e1ba684f925e488fmalita SkIntToScalar(tileSize.height()) / fTile.height()); 194c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 19523df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita SkAutoTUnref<SkShader> tileShader; 19623df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita BitmapShaderKey key(fPicture->uniqueID(), 19723df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita fTile, 19823df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita fTmx, 19923df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita fTmy, 20023df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita tileScale, 20123df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita this->getLocalMatrix()); 20287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 203171e5b73a862418f4acd61faf8cecfbc8f58694cfmalita if (!SkResourceCache::Find(key, BitmapShaderRec::Visitor, &tileShader)) { 204c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org SkBitmap bm; 205f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita bm.setInfo(SkImageInfo::MakeN32Premul(tileSize)); 206f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita if (!cache_try_alloc_pixels(&bm)) { 20787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org return NULL; 208c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org } 209f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita bm.eraseColor(SK_ColorTRANSPARENT); 210f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita 211f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita // Always disable LCD text, since we can't assume our image will be opaque. 212f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita SkCanvas canvas(bm, SkSurfaceProps(0, kUnknown_SkPixelGeometry)); 213f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita 214f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita canvas.scale(tileScale.width(), tileScale.height()); 215f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita canvas.translate(-fTile.x(), -fTile.y()); 216f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita canvas.drawPicture(fPicture); 217c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 21887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkMatrix shaderMatrix = this->getLocalMatrix(); 21987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org shaderMatrix.preScale(1 / tileScale.width(), 1 / tileScale.height()); 22023df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita tileShader.reset(CreateBitmapShader(bm, fTmx, fTmy, &shaderMatrix)); 22123df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita 222171e5b73a862418f4acd61faf8cecfbc8f58694cfmalita SkResourceCache::Add(SkNEW_ARGS(BitmapShaderRec, (key, tileShader.get(), bm.getSize()))); 22387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org } 2246e5671d8c9b2d9885e351b631b1dfbb4ed403789commit-bot@chromium.org 22523df2d693304824a2ce7ac3d988b0e48fec1c49dfmalita return tileShader.detach(); 22653783b026a00683c1fb504127c3398dabb61ea73commit-bot@chromium.org} 227c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 228ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.orgsize_t SkPictureShader::contextSize() const { 229ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org return sizeof(PictureShaderContext); 230ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org} 23168ea91a49311562347311448450199a957590c1ccommit-bot@chromium.org 232ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.orgSkShader::Context* SkPictureShader::onCreateContext(const ContextRec& rec, void* storage) const { 23380116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(*rec.fMatrix, rec.fLocalMatrix)); 234ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org if (NULL == bitmapShader.get()) { 23587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org return NULL; 236c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org } 237f03f9ff295298ff58acdeb4d7142e9736121d362commit-bot@chromium.org return PictureShaderContext::Create(storage, *this, rec, bitmapShader); 23887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org} 23987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 240ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org///////////////////////////////////////////////////////////////////////////////////////// 24187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 242ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.orgSkShader::Context* SkPictureShader::PictureShaderContext::Create(void* storage, 243ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org const SkPictureShader& shader, const ContextRec& rec, SkShader* bitmapShader) { 244ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org PictureShaderContext* ctx = SkNEW_PLACEMENT_ARGS(storage, PictureShaderContext, 245ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org (shader, rec, bitmapShader)); 246ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org if (NULL == ctx->fBitmapShaderContext) { 247ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org ctx->~PictureShaderContext(); 248ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org ctx = NULL; 249c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org } 250ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org return ctx; 251c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org} 252c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 25387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkPictureShader::PictureShaderContext::PictureShaderContext( 254e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.org const SkPictureShader& shader, const ContextRec& rec, SkShader* bitmapShader) 255e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.org : INHERITED(shader, rec) 256ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org , fBitmapShader(SkRef(bitmapShader)) 25787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org{ 258ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org fBitmapShaderContextStorage = sk_malloc_throw(bitmapShader->contextSize()); 259ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org fBitmapShaderContext = bitmapShader->createContext(rec, fBitmapShaderContextStorage); 260ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org //if fBitmapShaderContext is null, we are invalid 26187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org} 262001f4ed2fb62ecdc98ce2884d925de11b7516d23commit-bot@chromium.org 26387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkPictureShader::PictureShaderContext::~PictureShaderContext() { 264ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org if (fBitmapShaderContext) { 265ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org fBitmapShaderContext->~Context(); 266ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org } 26787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org sk_free(fBitmapShaderContextStorage); 268001f4ed2fb62ecdc98ce2884d925de11b7516d23commit-bot@chromium.org} 269001f4ed2fb62ecdc98ce2884d925de11b7516d23commit-bot@chromium.org 27087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orguint32_t SkPictureShader::PictureShaderContext::getFlags() const { 271ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org SkASSERT(fBitmapShaderContext); 27287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org return fBitmapShaderContext->getFlags(); 273001f4ed2fb62ecdc98ce2884d925de11b7516d23commit-bot@chromium.org} 274001f4ed2fb62ecdc98ce2884d925de11b7516d23commit-bot@chromium.org 27587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkShader::Context::ShadeProc SkPictureShader::PictureShaderContext::asAShadeProc(void** ctx) { 276ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org SkASSERT(fBitmapShaderContext); 27787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org return fBitmapShaderContext->asAShadeProc(ctx); 278c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org} 279c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 28087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgvoid SkPictureShader::PictureShaderContext::shadeSpan(int x, int y, SkPMColor dstC[], int count) { 28187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(fBitmapShaderContext); 28287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fBitmapShaderContext->shadeSpan(x, y, dstC, count); 283c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org} 284c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 28587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgvoid SkPictureShader::PictureShaderContext::shadeSpan16(int x, int y, uint16_t dstC[], int count) { 28687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(fBitmapShaderContext); 28787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org fBitmapShaderContext->shadeSpan16(x, y, dstC, count); 288c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org} 289c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 290c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#ifndef SK_IGNORE_TO_STRING 291c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.orgvoid SkPictureShader::toString(SkString* str) const { 292c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org static const char* gTileModeName[SkShader::kTileModeCount] = { 293c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org "clamp", "repeat", "mirror" 294c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org }; 295c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 296a8d7f0b13cd4c6d773fcf055fe17db75d260fa05robertphillips str->appendf("PictureShader: [%f:%f:%f:%f] ", 297f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita fPicture ? fPicture->cullRect().fLeft : 0, 298f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita fPicture ? fPicture->cullRect().fTop : 0, 299f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita fPicture ? fPicture->cullRect().fRight : 0, 300f47e70712b964b5360a3fec9e5e84bb594fc1f02fmalita fPicture ? fPicture->cullRect().fBottom : 0); 301c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 302c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org str->appendf("(%s, %s)", gTileModeName[fTmx], gTileModeName[fTmy]); 303c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 304c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org this->INHERITED::toString(str); 305c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org} 306c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#endif 307c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org 308c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#if SK_SUPPORT_GPU 309b0a8a377f832c59cee939ad721e1f87d378b7142joshualittbool SkPictureShader::asFragmentProcessor(GrContext* context, const SkPaint& paint, 3105531d51ce7426bdae7563547326fcf0bf926a083joshualitt const SkMatrix& viewM, const SkMatrix* localMatrix, 3115531d51ce7426bdae7563547326fcf0bf926a083joshualitt GrColor* paintColor, 312b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrFragmentProcessor** fp) const { 313b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim int maxTextureSize = 0; 314b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim if (context) { 315b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim maxTextureSize = context->getMaxTextureSize(); 316b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim } 317b9ed8845783ec3c59b2b185d26801f251adbf68dgen.kim SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(viewM, localMatrix, maxTextureSize)); 31887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (!bitmapShader) { 3199de5b514d38c5b36066bcdc14fba2f7e5196d372dandov return false; 320c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org } 3215531d51ce7426bdae7563547326fcf0bf926a083joshualitt return bitmapShader->asFragmentProcessor(context, paint, viewM, NULL, paintColor, fp); 3229de5b514d38c5b36066bcdc14fba2f7e5196d372dandov} 3239de5b514d38c5b36066bcdc14fba2f7e5196d372dandov#else 3245531d51ce7426bdae7563547326fcf0bf926a083joshualittbool SkPictureShader::asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix&, 3255531d51ce7426bdae7563547326fcf0bf926a083joshualitt const SkMatrix*, GrColor*, 326b0a8a377f832c59cee939ad721e1f87d378b7142joshualitt GrFragmentProcessor**) const { 3279de5b514d38c5b36066bcdc14fba2f7e5196d372dandov SkDEBUGFAIL("Should not call in GPU-less build"); 3289de5b514d38c5b36066bcdc14fba2f7e5196d372dandov return false; 329c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org} 330c5d9bb0f677069f62ec76373b9730e70e7352455commit-bot@chromium.org#endif 331