diff options
author | 2013-02-05 20:51:49 +0000 | |
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committer | 2013-02-05 20:51:49 +0000 | |
commit | 7374355408dd552c773db10ff599699183ba4a46 (patch) | |
tree | aca5bc8ce6154477c8151059ff1fa03505f48b50 | |
parent | b75b0a0b8492e14c7728e0a0881f87dc64ce60f9 (diff) |
Improved compartmentalization of filter tool's optimizations & add new optimization
https://codereview.appspot.com/7294049/
git-svn-id: http://skia.googlecode.com/svn/trunk@7601 2bbb7eff-a529-9590-31e7-b0007b416f81
-rw-r--r-- | tools/filtermain.cpp | 187 |
1 files changed, 156 insertions, 31 deletions
diff --git a/tools/filtermain.cpp b/tools/filtermain.cpp index 3715b3e229..0cf56a8259 100644 --- a/tools/filtermain.cpp +++ b/tools/filtermain.cpp @@ -40,6 +40,128 @@ static bool is_simple(const SkPaint& p) { NULL == p.getImageFilter(); } +// Check for: +// SAVE_LAYER +// DRAW_BITMAP_RECT_TO_RECT +// RESTORE +// where the saveLayer's color can be moved into the drawBitmapRect +static bool check_0(const SkTDArray<SkDrawCommand*>& commands, int curCommand) { + if (SAVE_LAYER != commands[curCommand]->getType() || + commands.count() <= curCommand+2 || + DRAW_BITMAP_RECT_TO_RECT != commands[curCommand+1]->getType() || + RESTORE != commands[curCommand+2]->getType()) + return false; + + SaveLayer* saveLayer = (SaveLayer*) commands[curCommand]; + DrawBitmapRect* dbmr = (DrawBitmapRect*) commands[curCommand+1]; + + const SkPaint* saveLayerPaint = saveLayer->paint(); + SkPaint* dbmrPaint = dbmr->paint(); + + return NULL == saveLayerPaint || + NULL == dbmrPaint || + (is_simple(*saveLayerPaint) && + (SkColorGetR(saveLayerPaint->getColor()) == SkColorGetR(dbmrPaint->getColor())) && + (SkColorGetG(saveLayerPaint->getColor()) == SkColorGetG(dbmrPaint->getColor())) && + (SkColorGetB(saveLayerPaint->getColor()) == SkColorGetB(dbmrPaint->getColor()))); +} + +// Fold the saveLayer's alpha into the drawBitmapRect and remove the saveLayer +// and restore +static void apply_0(const SkTDArray<SkDrawCommand*>& commands, int curCommand) { + SaveLayer* saveLayer = (SaveLayer*) commands[curCommand]; + DrawBitmapRect* dbmr = (DrawBitmapRect*) commands[curCommand+1]; + Restore* restore = (Restore*) commands[curCommand+2]; + + const SkPaint* saveLayerPaint = saveLayer->paint(); + SkPaint* dbmrPaint = dbmr->paint(); + + if (NULL == saveLayerPaint) { + saveLayer->setVisible(false); + restore->setVisible(false); + } else if (NULL == dbmrPaint) { + saveLayer->setVisible(false); + dbmr->setPaint(*saveLayerPaint); + restore->setVisible(false); + } else { + saveLayer->setVisible(false); + SkColor newColor = SkColorSetA(dbmrPaint->getColor(), + SkColorGetA(saveLayerPaint->getColor())); + dbmrPaint->setColor(newColor); + restore->setVisible(false); + } +} + +// Check for: +// SAVE_LAYER +// SAVE +// CLIP_RECT +// DRAW_BITMAP_RECT_TO_RECT +// RESTORE +// RESTORE +// where the saveLayer's color can be moved into the drawBitmapRect +static bool check_1(const SkTDArray<SkDrawCommand*>& commands, int curCommand) { + if (SAVE_LAYER != commands[curCommand]->getType() || + commands.count() <= curCommand+5 || + SAVE != commands[curCommand+1]->getType() || + CLIP_RECT != commands[curCommand+2]->getType() || + DRAW_BITMAP_RECT_TO_RECT != commands[curCommand+3]->getType() || + RESTORE != commands[curCommand+4]->getType() || + RESTORE != commands[curCommand+5]->getType()) + return false; + + SaveLayer* saveLayer = (SaveLayer*) commands[curCommand]; + DrawBitmapRect* dbmr = (DrawBitmapRect*) commands[curCommand+3]; + + const SkPaint* saveLayerPaint = saveLayer->paint(); + SkPaint* dbmrPaint = dbmr->paint(); + + return NULL == saveLayerPaint || + NULL == dbmrPaint || + (is_simple(*saveLayerPaint) && + (SkColorGetR(saveLayerPaint->getColor()) == SkColorGetR(dbmrPaint->getColor())) && + (SkColorGetG(saveLayerPaint->getColor()) == SkColorGetG(dbmrPaint->getColor())) && + (SkColorGetB(saveLayerPaint->getColor()) == SkColorGetB(dbmrPaint->getColor()))); +} + +// Fold the saveLayer's alpha into the drawBitmapRect and remove the saveLayer +// and restore +static void apply_1(const SkTDArray<SkDrawCommand*>& commands, int curCommand) { + SaveLayer* saveLayer = (SaveLayer*) commands[curCommand]; + DrawBitmapRect* dbmr = (DrawBitmapRect*) commands[curCommand+3]; + Restore* restore = (Restore*) commands[curCommand+5]; + + const SkPaint* saveLayerPaint = saveLayer->paint(); + SkPaint* dbmrPaint = dbmr->paint(); + + if (NULL == saveLayerPaint) { + saveLayer->setVisible(false); + restore->setVisible(false); + } else if (NULL == dbmrPaint) { + saveLayer->setVisible(false); + dbmr->setPaint(*saveLayerPaint); + restore->setVisible(false); + } else { + saveLayer->setVisible(false); + SkColor newColor = SkColorSetA(dbmrPaint->getColor(), + SkColorGetA(saveLayerPaint->getColor())); + dbmrPaint->setColor(newColor); + restore->setVisible(false); + } +} + +typedef bool (*PFCheck)(const SkTDArray<SkDrawCommand*>& commands, int curCommand); +typedef void (*PFApply)(const SkTDArray<SkDrawCommand*>& commands, int curCommand); + +struct OptTableEntry { + PFCheck fCheck; + PFApply fApply; + int fNumTimesApplied; +} gOptTable[] = { + { check_0, apply_0, 0 }, + { check_1, apply_1, 0 }, +}; + static int filter_picture(const SkString& inFile, const SkString& outFile) { SkPicture* inPicture = NULL; @@ -53,44 +175,29 @@ static int filter_picture(const SkString& inFile, const SkString& outFile) { return -1; } + int localCount[SK_ARRAY_COUNT(gOptTable)]; + + memset(localCount, 0, sizeof(localCount)); + SkDebugCanvas debugCanvas(inPicture->width(), inPicture->height()); debugCanvas.setBounds(inPicture->width(), inPicture->height()); inPicture->draw(&debugCanvas); const SkTDArray<SkDrawCommand*>& commands = debugCanvas.getDrawCommands(); + // hide the initial save and restore since replaying the commands will + // re-add them + if (commands.count() > 0) { + commands[0]->setVisible(false); + commands[commands.count()-1]->setVisible(false); + } + for (int i = 0; i < commands.count(); ++i) { - // Check for: - // SAVE_LAYER - // DRAW_BITMAP_RECT_TO_RECT - // RESTORE - // where the saveLayer's color can be moved into the drawBitmapRect - if (SAVE_LAYER == commands[i]->getType() && commands.count() > i+2) { - if (DRAW_BITMAP_RECT_TO_RECT == commands[i+1]->getType() && - RESTORE == commands[i+2]->getType()) { - SaveLayer* sl = (SaveLayer*) commands[i]; - DrawBitmapRect* dbmr = (DrawBitmapRect*) commands[i+1]; - - const SkPaint* p0 = sl->paint(); - SkPaint* p1 = dbmr->paint(); - - if (NULL == p0) { - commands[i]->setVisible(false); - commands[i+2]->setVisible(false); - } else if (NULL == p1) { - commands[i]->setVisible(false); - dbmr->setPaint(*p0); - commands[i+2]->setVisible(false); - } else if (is_simple(*p0) && - (SkColorGetR(p0->getColor()) == SkColorGetR(p1->getColor())) && - (SkColorGetG(p0->getColor()) == SkColorGetG(p1->getColor())) && - (SkColorGetB(p0->getColor()) == SkColorGetB(p1->getColor()))) { - commands[i]->setVisible(false); - SkColor newColor = SkColorSetA(p1->getColor(), - SkColorGetA(p0->getColor())); - p1->setColor(newColor); - commands[i+2]->setVisible(false); - } + for (size_t opt = 0; opt < SK_ARRAY_COUNT(gOptTable); ++opt) { + if ((*gOptTable[opt].fCheck)(commands, i)) { + (*gOptTable[opt].fApply)(commands, i); + ++gOptTable[opt].fNumTimesApplied; + ++localCount[opt]; } } } @@ -107,6 +214,20 @@ static int filter_picture(const SkString& inFile, const SkString& outFile) { outPicture.serialize(&outStream); } + bool someOptFired = false; + for (size_t opt = 0; opt < SK_ARRAY_COUNT(gOptTable); ++opt) { + if (0 != localCount[opt]) { + SkDebugf("%d: %d ", opt, localCount[opt]); + someOptFired = true; + } + } + + if (!someOptFired) { + SkDebugf("No opts fired\n"); + } else { + SkDebugf("\n"); + } + return 0; } @@ -193,6 +314,10 @@ int tool_main(int argc, char** argv) { return -1; } + for (size_t opt = 0; opt < SK_ARRAY_COUNT(gOptTable); ++opt) { + SkDebugf("opt %d: %d\n", opt, gOptTable[opt].fNumTimesApplied); + } + SkGraphics::Term(); return 0; } |