1d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips/* 2d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips * Copyright 2014 Google Inc. 3d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips * 4d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips * Use of this source code is governed by a BSD-style license that can be 5d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips * found in the LICENSE file. 6d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips */ 7d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips 8e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips#include "GrContext.h" 9e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips#include "GrLayerCache.h" 10d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips#include "GrRecordReplaceDraw.h" 1168cd2aa797f707a9847f8eba0758787cafd43e43robertphillips#include "SkCanvasPriv.h" 12e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips#include "SkGrPixelRef.h" 13d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips#include "SkImage.h" 14d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips#include "SkRecordDraw.h" 1568cd2aa797f707a9847f8eba0758787cafd43e43robertphillips#include "SkRecords.h" 1668cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 17e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillipsstatic inline void wrap_texture(GrTexture* texture, int width, int height, SkBitmap* result) { 18e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips SkImageInfo info = SkImageInfo::MakeN32Premul(width, height); 19e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips result->setInfo(info); 20e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips result->setPixelRef(SkNEW_ARGS(SkGrPixelRef, (info, texture)))->unref(); 21d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips} 22d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips 23e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillipsstatic inline void draw_replacement_bitmap(GrCachedLayer* layer, SkCanvas* canvas) { 24d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips 2595145a9d3e0be24769c4c4e3810058e08b06fd3brobertphillips // Some image filter can totally filter away a layer (e.g., SkPictureImageFilter's with 2695145a9d3e0be24769c4c4e3810058e08b06fd3brobertphillips // no picture). 2795145a9d3e0be24769c4c4e3810058e08b06fd3brobertphillips if (!layer->texture()) { 2895145a9d3e0be24769c4c4e3810058e08b06fd3brobertphillips return; 2995145a9d3e0be24769c4c4e3810058e08b06fd3brobertphillips } 3095145a9d3e0be24769c4c4e3810058e08b06fd3brobertphillips 31e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips SkBitmap bm; 32e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips wrap_texture(layer->texture(), 33e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips !layer->isAtlased() ? layer->rect().width() : layer->texture()->width(), 34e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips !layer->isAtlased() ? layer->rect().height() : layer->texture()->height(), 35e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips &bm); 3646625e06e23b65c05013fc686a8223d6d5b49050robertphillips 37478dd723362fefc2023aee03e11216d913eeac03robertphillips if (layer->isAtlased()) { 38478dd723362fefc2023aee03e11216d913eeac03robertphillips const SkRect src = SkRect::Make(layer->rect()); 39478dd723362fefc2023aee03e11216d913eeac03robertphillips const SkRect dst = SkRect::Make(layer->srcIR()); 40478dd723362fefc2023aee03e11216d913eeac03robertphillips 41478dd723362fefc2023aee03e11216d913eeac03robertphillips SkASSERT(layer->offset().isZero()); 42478dd723362fefc2023aee03e11216d913eeac03robertphillips 43478dd723362fefc2023aee03e11216d913eeac03robertphillips canvas->save(); 44478dd723362fefc2023aee03e11216d913eeac03robertphillips canvas->setMatrix(SkMatrix::I()); 45478dd723362fefc2023aee03e11216d913eeac03robertphillips canvas->drawBitmapRectToRect(bm, &src, dst, layer->paint()); 46478dd723362fefc2023aee03e11216d913eeac03robertphillips canvas->restore(); 47478dd723362fefc2023aee03e11216d913eeac03robertphillips } else { 48478dd723362fefc2023aee03e11216d913eeac03robertphillips canvas->drawSprite(bm, 49478dd723362fefc2023aee03e11216d913eeac03robertphillips layer->srcIR().fLeft + layer->offset().fX, 50478dd723362fefc2023aee03e11216d913eeac03robertphillips layer->srcIR().fTop + layer->offset().fY, 51478dd723362fefc2023aee03e11216d913eeac03robertphillips layer->paint()); 52478dd723362fefc2023aee03e11216d913eeac03robertphillips } 53d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips} 54d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips 5568cd2aa797f707a9847f8eba0758787cafd43e43robertphillips// Used by GrRecordReplaceDraw. It intercepts nested drawPicture calls and 5668cd2aa797f707a9847f8eba0758787cafd43e43robertphillips// also draws them with replaced layers. 5768cd2aa797f707a9847f8eba0758787cafd43e43robertphillipsclass ReplaceDraw : public SkRecords::Draw { 5868cd2aa797f707a9847f8eba0758787cafd43e43robertphillipspublic: 59e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips ReplaceDraw(SkCanvas* canvas, GrLayerCache* layerCache, 606be2aa9a251bf6022570a03140f956655b3ef1dareed SkPicture const* const drawablePicts[], int drawableCount, 6101d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips const SkPicture* topLevelPicture, 6268cd2aa797f707a9847f8eba0758787cafd43e43robertphillips const SkPicture* picture, 6368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips const SkMatrix& initialMatrix, 64783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips SkPicture::AbortCallback* callback, 65e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips const unsigned* opIndices, int numIndices) 661bdfd3f4f09e47364f76d3f08177b1ce844ac786reed : INHERITED(canvas, drawablePicts, NULL, drawableCount) 6768cd2aa797f707a9847f8eba0758787cafd43e43robertphillips , fCanvas(canvas) 68e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips , fLayerCache(layerCache) 6901d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips , fTopLevelPicture(topLevelPicture) 7068cd2aa797f707a9847f8eba0758787cafd43e43robertphillips , fPicture(picture) 7168cd2aa797f707a9847f8eba0758787cafd43e43robertphillips , fInitialMatrix(initialMatrix) 7268cd2aa797f707a9847f8eba0758787cafd43e43robertphillips , fCallback(callback) 730882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips , fIndex(0) 740882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips , fNumReplaced(0) { 7501d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips fOpIndexStack.append(numIndices, opIndices); 76ee6631ef90fb5a9c80de6eacd37632f11367a088robertphillips } 77ee6631ef90fb5a9c80de6eacd37632f11367a088robertphillips 780882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips int draw() { 7968cd2aa797f707a9847f8eba0758787cafd43e43robertphillips const SkBBoxHierarchy* bbh = fPicture->fBBH.get(); 8068cd2aa797f707a9847f8eba0758787cafd43e43robertphillips const SkRecord* record = fPicture->fRecord.get(); 8168cd2aa797f707a9847f8eba0758787cafd43e43robertphillips if (NULL == record) { 820882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips return 0; 8368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } 8468cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 850882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips fNumReplaced = 0; 860882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips 8768cd2aa797f707a9847f8eba0758787cafd43e43robertphillips fOps.rewind(); 8868cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 8968cd2aa797f707a9847f8eba0758787cafd43e43robertphillips if (bbh) { 9068cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // Draw only ops that affect pixels in the canvas's current clip. 9168cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // The SkRecord and BBH were recorded in identity space. This canvas 9268cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // is not necessarily in that same space. getClipBounds() returns us 9368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // this canvas' clip bounds transformed back into identity space, which 9468cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // lets us query the BBH. 9568cd2aa797f707a9847f8eba0758787cafd43e43robertphillips SkRect query = { 0, 0, 0, 0 }; 9668cd2aa797f707a9847f8eba0758787cafd43e43robertphillips (void)fCanvas->getClipBounds(&query); 9768cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 9868cd2aa797f707a9847f8eba0758787cafd43e43robertphillips bbh->search(query, &fOps); 9968cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 10068cd2aa797f707a9847f8eba0758787cafd43e43robertphillips for (fIndex = 0; fIndex < fOps.count(); ++fIndex) { 101783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips if (fCallback && fCallback->abort()) { 1020882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips return fNumReplaced; 10368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } 10468cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 1056bd41969a0f2283a7a7320bb0025551353c241ecmtklein record->visit<void>(fOps[fIndex], *this); 106d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips } 107d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips 10868cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } else { 10968cd2aa797f707a9847f8eba0758787cafd43e43robertphillips for (fIndex = 0; fIndex < (int) record->count(); ++fIndex) { 110783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips if (fCallback && fCallback->abort()) { 1110882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips return fNumReplaced; 112d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips } 11368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 11468cd2aa797f707a9847f8eba0758787cafd43e43robertphillips record->visit<void>(fIndex, *this); 115d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips } 11668cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } 1170882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips 1180882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips return fNumReplaced; 11968cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } 12068cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 12168cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // Same as Draw for all ops except DrawPicture and SaveLayer. 12268cd2aa797f707a9847f8eba0758787cafd43e43robertphillips template <typename T> void operator()(const T& r) { 12368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips this->INHERITED::operator()(r); 12468cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } 12568cd2aa797f707a9847f8eba0758787cafd43e43robertphillips void operator()(const SkRecords::DrawPicture& dp) { 12601d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips 12701d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips int drawPictureOffset; 12801d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips if (fOps.count()) { 12901d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips drawPictureOffset = fOps[fIndex]; 13001d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips } else { 13101d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips drawPictureOffset = fIndex; 13201d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips } 13301d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips 13401d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips fOpIndexStack.push(drawPictureOffset); 13501d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips 136af57903f330a0afd0c10244d4a66f64fdbef5d1emtklein SkAutoCanvasMatrixPaint acmp(fCanvas, &dp.matrix, dp.paint, dp.picture->cullRect()); 137d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips 13868cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // Draw sub-pictures with the same replacement list but a different picture 139e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips ReplaceDraw draw(fCanvas, fLayerCache, 140e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips this->drawablePicts(), this->drawableCount(), 141e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips fTopLevelPicture, dp.picture, fInitialMatrix, fCallback, 14201d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips fOpIndexStack.begin(), fOpIndexStack.count()); 14368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 1440882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips fNumReplaced += draw.draw(); 14501d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips 14601d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips fOpIndexStack.pop(); 14768cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } 14868cd2aa797f707a9847f8eba0758787cafd43e43robertphillips void operator()(const SkRecords::SaveLayer& sl) { 1496bd41969a0f2283a7a7320bb0025551353c241ecmtklein 15068cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // For a saveLayer command, check if it can be replaced by a drawBitmap 15168cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // call and, if so, draw it and then update the current op index accordingly. 15230d7841f906116c3945ec8125a816a5c5462fed0robertphillips unsigned startOffset; 15368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips if (fOps.count()) { 1546bd41969a0f2283a7a7320bb0025551353c241ecmtklein startOffset = fOps[fIndex]; 15568cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } else { 15668cd2aa797f707a9847f8eba0758787cafd43e43robertphillips startOffset = fIndex; 157d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips } 158d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips 15901d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips fOpIndexStack.push(startOffset); 16001d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips 161e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips GrCachedLayer* layer = fLayerCache->findLayer(fTopLevelPicture->uniqueID(), 162e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips fInitialMatrix, 163e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips fOpIndexStack.begin(), 164e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips fOpIndexStack.count()); 16568cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 166e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips if (layer) { 1670882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips fNumReplaced++; 168e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips 169e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips draw_replacement_bitmap(layer, fCanvas); 17068cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 17168cd2aa797f707a9847f8eba0758787cafd43e43robertphillips if (fPicture->fBBH.get()) { 172e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips while (fOps[fIndex] < layer->stop()) { 17368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips ++fIndex; 17468cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } 175e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips SkASSERT(fOps[fIndex] == layer->stop()); 17668cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } else { 177e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips fIndex = layer->stop(); 17868cd2aa797f707a9847f8eba0758787cafd43e43robertphillips } 17901d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips fOpIndexStack.pop(); 18068cd2aa797f707a9847f8eba0758787cafd43e43robertphillips return; 181d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips } 18268cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 18368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips // This is a fail for layer hoisting 18468cd2aa797f707a9847f8eba0758787cafd43e43robertphillips this->INHERITED::operator()(sl); 18501d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips 18601d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips fOpIndexStack.pop(); 187d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips } 18868cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 18968cd2aa797f707a9847f8eba0758787cafd43e43robertphillipsprivate: 190783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips SkCanvas* fCanvas; 191783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips GrLayerCache* fLayerCache; 192783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips const SkPicture* fTopLevelPicture; 193783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips const SkPicture* fPicture; 194783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips const SkMatrix fInitialMatrix; 195783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips SkPicture::AbortCallback* fCallback; 19668cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 197783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips SkTDArray<unsigned> fOps; 198783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips int fIndex; 199783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips int fNumReplaced; 20068cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 20101d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips // The op code indices of all the enclosing drawPicture and saveLayer calls 202783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips SkTDArray<unsigned> fOpIndexStack; 20301d6e5f462d1d52203ee1a6660415877e4cf2dderobertphillips 20468cd2aa797f707a9847f8eba0758787cafd43e43robertphillips typedef Draw INHERITED; 20568cd2aa797f707a9847f8eba0758787cafd43e43robertphillips}; 20668cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 2070882fdcc15f81bbaf66421dc7934c2893726a3darobertphillipsint GrRecordReplaceDraw(const SkPicture* picture, 2080882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips SkCanvas* canvas, 209e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips GrLayerCache* layerCache, 2100882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips const SkMatrix& initialMatrix, 211783fe16b8ed1cd1cff34eacc33296874a32f293brobertphillips SkPicture::AbortCallback* callback) { 21268cd2aa797f707a9847f8eba0758787cafd43e43robertphillips SkAutoCanvasRestore saveRestore(canvas, true /*save now, restore at exit*/); 21368cd2aa797f707a9847f8eba0758787cafd43e43robertphillips 2146be2aa9a251bf6022570a03140f956655b3ef1dareed // TODO: drawablePicts? 215e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips ReplaceDraw draw(canvas, layerCache, NULL, 0, 216af57903f330a0afd0c10244d4a66f64fdbef5d1emtklein picture, picture, 217e99d499caa7dbc80b58e0faf5ce137e7d30cc5d0robertphillips initialMatrix, callback, NULL, 0); 2180882fdcc15f81bbaf66421dc7934c2893726a3darobertphillips return draw.draw(); 219d982eb22d7bce655a609e9b481b3ddfeff361067robertphillips} 220