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Unified Diff: tools/filtermain.cpp

Issue 1459583003: Clean up dead code: filter. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 1 month ago
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Index: tools/filtermain.cpp
diff --git a/tools/filtermain.cpp b/tools/filtermain.cpp
deleted file mode 100644
index 24f0c78c02de376c0352e951e7508c53ba149d49..0000000000000000000000000000000000000000
--- a/tools/filtermain.cpp
+++ /dev/null
@@ -1,804 +0,0 @@
-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkDebugCanvas.h"
-#include "SkDevice.h"
-#include "SkForceLinking.h"
-#include "SkGraphics.h"
-#include "SkImageDecoder.h"
-#include "SkImageEncoder.h"
-#include "SkOSFile.h"
-#include "SkPicture.h"
-#include "SkPictureRecord.h"
-#include "SkPictureRecorder.h"
-#include "SkStream.h"
-#include "picture_utils.h"
-
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
-static void usage() {
- SkDebugf("Usage: filter -i inFile [-o outFile] [--input-dir path] [--output-dir path]\n");
- SkDebugf(" [-h|--help]\n\n");
- SkDebugf(" -i inFile : file to filter.\n");
- SkDebugf(" -o outFile : result of filtering.\n");
- SkDebugf(" --input-dir : process all files in dir with .skp extension.\n");
- SkDebugf(" --output-dir : results of filtering the input dir.\n");
- SkDebugf(" -h|--help : Show this help message.\n");
-}
-
-// Is the supplied paint simply a color?
-static bool is_simple(const SkPaint& p) {
- return nullptr == p.getPathEffect() &&
- nullptr == p.getShader() &&
- nullptr == p.getXfermode() &&
- nullptr == p.getMaskFilter() &&
- nullptr == p.getColorFilter() &&
- nullptr == p.getRasterizer() &&
- nullptr == p.getLooper() &&
- nullptr == 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(SkDebugCanvas* canvas, int curCommand) {
- if (SkDrawCommand::kSaveLayer_OpType != canvas->getDrawCommandAt(curCommand)->getType() ||
- canvas->getSize() <= curCommand+2 ||
- SkDrawCommand::kDrawBitmapRect_OpType != canvas->getDrawCommandAt(curCommand+1)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+2)->getType()) {
- return false;
- }
-
- SkSaveLayerCommand* saveLayer =
- (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand);
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+1);
-
- const SkPaint* saveLayerPaint = saveLayer->paint();
- SkPaint* dbmrPaint = dbmr->paint();
-
- // For this optimization we only fold the saveLayer and drawBitmapRect
- // together if the saveLayer's draw is simple (i.e., no fancy effects)
- // and the only difference in the colors is their alpha value
- SkColor layerColor = saveLayerPaint->getColor() | 0xFF000000; // force opaque
- SkColor dbmrColor = dbmrPaint->getColor() | 0xFF000000; // force opaque
-
- // If either operation lacks a paint then the collapse is trivial
- return nullptr == saveLayerPaint ||
- nullptr == dbmrPaint ||
- (is_simple(*saveLayerPaint) && dbmrColor == layerColor);
-}
-
-// Fold the saveLayer's alpha into the drawBitmapRect and remove the saveLayer
-// and restore
-static void apply_0(SkDebugCanvas* canvas, int curCommand) {
- SkSaveLayerCommand* saveLayer =
- (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand);
- const SkPaint* saveLayerPaint = saveLayer->paint();
-
- // if (nullptr == saveLayerPaint) the dbmr's paint doesn't need to be changed
- if (saveLayerPaint) {
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+1);
- SkPaint* dbmrPaint = dbmr->paint();
-
- if (nullptr == dbmrPaint) {
- // if the DBMR doesn't have a paint just use the saveLayer's
- dbmr->setPaint(*saveLayerPaint);
- } else if (saveLayerPaint) {
- // Both paints are present so their alphas need to be combined
- SkColor color = saveLayerPaint->getColor();
- int a0 = SkColorGetA(color);
-
- color = dbmrPaint->getColor();
- int a1 = SkColorGetA(color);
-
- int newA = SkMulDiv255Round(a0, a1);
- SkASSERT(newA <= 0xFF);
-
- SkColor newColor = SkColorSetA(color, newA);
- dbmrPaint->setColor(newColor);
- }
- }
-
- canvas->deleteDrawCommandAt(curCommand+2); // restore
- canvas->deleteDrawCommandAt(curCommand); // saveLayer
-}
-
-// 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(SkDebugCanvas* canvas, int curCommand) {
- if (SkDrawCommand::kSaveLayer_OpType != canvas->getDrawCommandAt(curCommand)->getType() ||
- canvas->getSize() <= curCommand+5 ||
- SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand+1)->getType() ||
- SkDrawCommand::kClipRect_OpType != canvas->getDrawCommandAt(curCommand+2)->getType() ||
- SkDrawCommand::kDrawBitmapRect_OpType != canvas->getDrawCommandAt(curCommand+3)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+4)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+5)->getType()) {
- return false;
- }
-
- SkSaveLayerCommand* saveLayer =
- (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand);
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+3);
-
- const SkPaint* saveLayerPaint = saveLayer->paint();
- SkPaint* dbmrPaint = dbmr->paint();
-
- // For this optimization we only fold the saveLayer and drawBitmapRect
- // together if the saveLayer's draw is simple (i.e., no fancy effects) and
- // and the only difference in the colors is that the saveLayer's can have
- // an alpha while the drawBitmapRect's is opaque.
- // TODO: it should be possible to fold them together even if they both
- // have different non-255 alphas but this is low priority since we have
- // never seen that case
- // If either operation lacks a paint then the collapse is trivial
- SkColor layerColor = saveLayerPaint->getColor() | 0xFF000000; // force opaque
-
- return nullptr == saveLayerPaint ||
- nullptr == dbmrPaint ||
- (is_simple(*saveLayerPaint) && dbmrPaint->getColor() == layerColor);
-}
-
-// Fold the saveLayer's alpha into the drawBitmapRect and remove the saveLayer
-// and restore
-static void apply_1(SkDebugCanvas* canvas, int curCommand) {
- SkSaveLayerCommand* saveLayer =
- (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand);
- const SkPaint* saveLayerPaint = saveLayer->paint();
-
- // if (nullptr == saveLayerPaint) the dbmr's paint doesn't need to be changed
- if (saveLayerPaint) {
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+3);
- SkPaint* dbmrPaint = dbmr->paint();
-
- if (nullptr == dbmrPaint) {
- dbmr->setPaint(*saveLayerPaint);
- } else {
- SkColor newColor = SkColorSetA(dbmrPaint->getColor(),
- SkColorGetA(saveLayerPaint->getColor()));
- dbmrPaint->setColor(newColor);
- }
- }
-
- canvas->deleteDrawCommandAt(curCommand+5); // restore
- canvas->deleteDrawCommandAt(curCommand); // saveLayer
-}
-
-// Check for:
-// SAVE
-// CLIP_RECT
-// DRAW_RECT
-// RESTORE
-// where the rect is entirely within the clip and the clip is an intersect
-static bool check_2(SkDebugCanvas* canvas, int curCommand) {
- if (SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand)->getType() ||
- canvas->getSize() <= curCommand+4 ||
- SkDrawCommand::kClipRect_OpType != canvas->getDrawCommandAt(curCommand+1)->getType() ||
- SkDrawCommand::kDrawRect_OpType != canvas->getDrawCommandAt(curCommand+2)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+3)->getType()) {
- return false;
- }
-
- SkClipRectCommand* cr =
- (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
- SkDrawRectCommand* dr =
- (SkDrawRectCommand*) canvas->getDrawCommandAt(curCommand+2);
-
- if (SkRegion::kIntersect_Op != cr->op()) {
- return false;
- }
-
- return cr->rect().contains(dr->rect());
-}
-
-// Remove everything but the drawRect
-static void apply_2(SkDebugCanvas* canvas, int curCommand) {
- canvas->deleteDrawCommandAt(curCommand+3); // restore
- // drawRect
- canvas->deleteDrawCommandAt(curCommand+1); // clipRect
- canvas->deleteDrawCommandAt(curCommand); // save
-}
-
-// Check for:
-// SAVE
-// CLIP_RRECT
-// DRAW_RECT
-// RESTORE
-// where the rect entirely encloses the clip
-static bool check_3(SkDebugCanvas* canvas, int curCommand) {
- if (SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand)->getType() ||
- canvas->getSize() <= curCommand+4 ||
- SkDrawCommand::kClipRRect_OpType != canvas->getDrawCommandAt(curCommand+1)->getType() ||
- SkDrawCommand::kDrawRect_OpType != canvas->getDrawCommandAt(curCommand+2)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+3)->getType()) {
- return false;
- }
-
- SkClipRRectCommand* crr =
- (SkClipRRectCommand*) canvas->getDrawCommandAt(curCommand+1);
- SkDrawRectCommand* dr =
- (SkDrawRectCommand*) canvas->getDrawCommandAt(curCommand+2);
-
- if (SkRegion::kIntersect_Op != crr->op()) {
- return false;
- }
-
- return dr->rect().contains(crr->rrect().rect());
-}
-
-// Replace everything with a drawRRect with the paint from the drawRect
-// and the AA settings from the clipRRect
-static void apply_3(SkDebugCanvas* canvas, int curCommand) {
-
- canvas->deleteDrawCommandAt(curCommand+3); // restore
-
- SkClipRRectCommand* crr =
- (SkClipRRectCommand*) canvas->getDrawCommandAt(curCommand+1);
- SkDrawRectCommand* dr =
- (SkDrawRectCommand*) canvas->getDrawCommandAt(curCommand+2);
-
- // TODO: could skip paint re-creation if the AA settings already match
- SkPaint newPaint = dr->paint();
- newPaint.setAntiAlias(crr->doAA());
- SkDrawRRectCommand* drr = new SkDrawRRectCommand(crr->rrect(), newPaint);
- canvas->setDrawCommandAt(curCommand+2, drr);
-
- canvas->deleteDrawCommandAt(curCommand+1); // clipRRect
- canvas->deleteDrawCommandAt(curCommand); // save
-}
-
-// Check for:
-// SAVE
-// CLIP_RECT
-// DRAW_BITMAP_RECT_TO_RECT
-// RESTORE
-// where the rect and drawBitmapRect dst exactly match
-static bool check_4(SkDebugCanvas* canvas, int curCommand) {
- if (SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand)->getType() ||
- canvas->getSize() <= curCommand+4 ||
- SkDrawCommand::kClipRect_OpType != canvas->getDrawCommandAt(curCommand+1)->getType() ||
- SkDrawCommand::kDrawBitmapRect_OpType != canvas->getDrawCommandAt(curCommand+2)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+3)->getType()) {
- return false;
- }
-
- SkClipRectCommand* cr =
- (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+2);
-
- if (SkRegion::kIntersect_Op != cr->op()) {
- return false;
- }
-
- return dbmr->dstRect() == cr->rect();
-}
-
-// Remove everything but the drawBitmapRect
-static void apply_4(SkDebugCanvas* canvas, int curCommand) {
- canvas->deleteDrawCommandAt(curCommand+3); // restore
- // drawBitmapRectToRect
- canvas->deleteDrawCommandAt(curCommand+1); // clipRect
- canvas->deleteDrawCommandAt(curCommand); // save
-}
-
-// Check for:
-// SAVE
-// CLIP_RECT
-// SAVE_LAYER
-// SAVE
-// CLIP_RECT
-// SAVE_LAYER
-// SAVE
-// CLIP_RECT
-// DRAWBITMAPRECTTORECT
-// RESTORE
-// RESTORE
-// RESTORE
-// RESTORE
-// RESTORE
-// where:
-// all the clipRect's are BW, nested, intersections
-// the drawBitmapRectToRect is a 1-1 copy from src to dest
-// the last (smallest) clip rect is a subset of the drawBitmapRectToRect's dest rect
-// all the saveLayer's paints can be rolled into the drawBitmapRectToRect's paint
-// This pattern is used by Google spreadsheet when drawing the toolbar buttons
-static bool check_7(SkDebugCanvas* canvas, int curCommand) {
- if (SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand)->getType() ||
- canvas->getSize() <= curCommand+13 ||
- SkDrawCommand::kClipRect_OpType != canvas->getDrawCommandAt(curCommand+1)->getType() ||
- SkDrawCommand::kSaveLayer_OpType != canvas->getDrawCommandAt(curCommand+2)->getType() ||
- SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand+3)->getType() ||
- SkDrawCommand::kClipRect_OpType != canvas->getDrawCommandAt(curCommand+4)->getType() ||
- SkDrawCommand::kSaveLayer_OpType != canvas->getDrawCommandAt(curCommand+5)->getType() ||
- SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand+6)->getType() ||
- SkDrawCommand::kClipRect_OpType != canvas->getDrawCommandAt(curCommand+7)->getType() ||
- SkDrawCommand::kDrawBitmapRect_OpType != canvas->getDrawCommandAt(curCommand+8)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+9)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+10)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+11)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+12)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+13)->getType()) {
- return false;
- }
-
- SkClipRectCommand* clip0 =
- (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
- SkSaveLayerCommand* saveLayer0 =
- (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand+2);
- SkClipRectCommand* clip1 =
- (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+4);
- SkSaveLayerCommand* saveLayer1 =
- (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand+5);
- SkClipRectCommand* clip2 =
- (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+7);
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+8);
-
- if (clip0->doAA() || clip1->doAA() || clip2->doAA()) {
- return false;
- }
-
- if (SkRegion::kIntersect_Op != clip0->op() ||
- SkRegion::kIntersect_Op != clip1->op() ||
- SkRegion::kIntersect_Op != clip2->op()) {
- return false;
- }
-
- if (!clip0->rect().contains(clip1->rect()) ||
- !clip1->rect().contains(clip2->rect())) {
- return false;
- }
-
- // The src->dest mapping needs to be 1-to-1
- if (nullptr == dbmr->srcRect()) {
- if (dbmr->bitmap().width() != dbmr->dstRect().width() ||
- dbmr->bitmap().height() != dbmr->dstRect().height()) {
- return false;
- }
- } else {
- if (dbmr->srcRect()->width() != dbmr->dstRect().width() ||
- dbmr->srcRect()->height() != dbmr->dstRect().height()) {
- return false;
- }
- }
-
- if (!dbmr->dstRect().contains(clip2->rect())) {
- return false;
- }
-
- const SkPaint* saveLayerPaint0 = saveLayer0->paint();
- const SkPaint* saveLayerPaint1 = saveLayer1->paint();
-
- if ((saveLayerPaint0 && !is_simple(*saveLayerPaint0)) ||
- (saveLayerPaint1 && !is_simple(*saveLayerPaint1))) {
- return false;
- }
-
- SkPaint* dbmrPaint = dbmr->paint();
-
- if (nullptr == dbmrPaint) {
- return true;
- }
-
- if (saveLayerPaint0) {
- SkColor layerColor0 = saveLayerPaint0->getColor() | 0xFF000000; // force opaque
- if (dbmrPaint->getColor() != layerColor0) {
- return false;
- }
- }
-
- if (saveLayerPaint1) {
- SkColor layerColor1 = saveLayerPaint1->getColor() | 0xFF000000; // force opaque
- if (dbmrPaint->getColor() != layerColor1) {
- return false;
- }
- }
-
- return true;
-}
-
-// Reduce to a single drawBitmapRectToRect call by folding the clipRect's into
-// the src and dst Rects and the saveLayer paints into the drawBitmapRectToRect's
-// paint.
-static void apply_7(SkDebugCanvas* canvas, int curCommand) {
- SkSaveLayerCommand* saveLayer0 =
- (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand+2);
- SkSaveLayerCommand* saveLayer1 =
- (SkSaveLayerCommand*) canvas->getDrawCommandAt(curCommand+5);
- SkClipRectCommand* clip2 =
- (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+7);
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+8);
-
- SkScalar newSrcLeft = dbmr->srcRect()->fLeft + clip2->rect().fLeft - dbmr->dstRect().fLeft;
- SkScalar newSrcTop = dbmr->srcRect()->fTop + clip2->rect().fTop - dbmr->dstRect().fTop;
-
- SkRect newSrc = SkRect::MakeXYWH(newSrcLeft, newSrcTop,
- clip2->rect().width(), clip2->rect().height());
-
- dbmr->setSrcRect(newSrc);
- dbmr->setDstRect(clip2->rect());
-
- SkColor color = 0xFF000000;
- int a0, a1;
-
- const SkPaint* saveLayerPaint0 = saveLayer0->paint();
- if (saveLayerPaint0) {
- color = saveLayerPaint0->getColor();
- a0 = SkColorGetA(color);
- } else {
- a0 = 0xFF;
- }
-
- const SkPaint* saveLayerPaint1 = saveLayer1->paint();
- if (saveLayerPaint1) {
- color = saveLayerPaint1->getColor();
- a1 = SkColorGetA(color);
- } else {
- a1 = 0xFF;
- }
-
- int newA = SkMulDiv255Round(a0, a1);
- SkASSERT(newA <= 0xFF);
-
- SkPaint* dbmrPaint = dbmr->paint();
-
- if (dbmrPaint) {
- SkColor newColor = SkColorSetA(dbmrPaint->getColor(), newA);
- dbmrPaint->setColor(newColor);
- } else {
- SkColor newColor = SkColorSetA(color, newA);
-
- SkPaint newPaint;
- newPaint.setColor(newColor);
- dbmr->setPaint(newPaint);
- }
-
- // remove everything except the drawbitmaprect
- canvas->deleteDrawCommandAt(curCommand+13); // restore
- canvas->deleteDrawCommandAt(curCommand+12); // restore
- canvas->deleteDrawCommandAt(curCommand+11); // restore
- canvas->deleteDrawCommandAt(curCommand+10); // restore
- canvas->deleteDrawCommandAt(curCommand+9); // restore
- canvas->deleteDrawCommandAt(curCommand+7); // clipRect
- canvas->deleteDrawCommandAt(curCommand+6); // save
- canvas->deleteDrawCommandAt(curCommand+5); // saveLayer
- canvas->deleteDrawCommandAt(curCommand+4); // clipRect
- canvas->deleteDrawCommandAt(curCommand+3); // save
- canvas->deleteDrawCommandAt(curCommand+2); // saveLayer
- canvas->deleteDrawCommandAt(curCommand+1); // clipRect
- canvas->deleteDrawCommandAt(curCommand); // save
-}
-
-// Check for:
-// SAVE
-// CLIP_RECT
-// DRAWBITMAPRECTTORECT
-// RESTORE
-// where:
-// the drawBitmapRectToRect is a 1-1 copy from src to dest
-// the clip rect is BW and a subset of the drawBitmapRectToRect's dest rect
-static bool check_8(SkDebugCanvas* canvas, int curCommand) {
- if (SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand)->getType() ||
- canvas->getSize() <= curCommand+4 ||
- SkDrawCommand::kClipRect_OpType != canvas->getDrawCommandAt(curCommand+1)->getType() ||
- SkDrawCommand::kDrawBitmapRect_OpType != canvas->getDrawCommandAt(curCommand+2)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+3)->getType()) {
- return false;
- }
-
- SkClipRectCommand* clip =
- (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+2);
-
- if (clip->doAA() || SkRegion::kIntersect_Op != clip->op()) {
- return false;
- }
-
- // The src->dest mapping needs to be 1-to-1
- if (nullptr == dbmr->srcRect()) {
- if (dbmr->bitmap().width() != dbmr->dstRect().width() ||
- dbmr->bitmap().height() != dbmr->dstRect().height()) {
- return false;
- }
- } else {
- if (dbmr->srcRect()->width() != dbmr->dstRect().width() ||
- dbmr->srcRect()->height() != dbmr->dstRect().height()) {
- return false;
- }
- }
-
- if (!dbmr->dstRect().contains(clip->rect())) {
- return false;
- }
-
- return true;
-}
-
-// Fold the clipRect into the drawBitmapRectToRect's src and dest rects
-static void apply_8(SkDebugCanvas* canvas, int curCommand) {
- SkClipRectCommand* clip =
- (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+2);
-
- SkScalar newSrcLeft, newSrcTop;
-
- if (dbmr->srcRect()) {
- newSrcLeft = dbmr->srcRect()->fLeft + clip->rect().fLeft - dbmr->dstRect().fLeft;
- newSrcTop = dbmr->srcRect()->fTop + clip->rect().fTop - dbmr->dstRect().fTop;
- } else {
- newSrcLeft = clip->rect().fLeft - dbmr->dstRect().fLeft;
- newSrcTop = clip->rect().fTop - dbmr->dstRect().fTop;
- }
-
- SkRect newSrc = SkRect::MakeXYWH(newSrcLeft, newSrcTop,
- clip->rect().width(), clip->rect().height());
-
- dbmr->setSrcRect(newSrc);
- dbmr->setDstRect(clip->rect());
-
- // remove everything except the drawbitmaprect
- canvas->deleteDrawCommandAt(curCommand+3);
- canvas->deleteDrawCommandAt(curCommand+1);
- canvas->deleteDrawCommandAt(curCommand);
-}
-
-// Check for:
-// SAVE
-// CLIP_RECT
-// DRAWBITMAPRECTTORECT
-// RESTORE
-// where:
-// clipRect is BW and encloses the DBMR2R's dest rect
-static bool check_9(SkDebugCanvas* canvas, int curCommand) {
- if (SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand)->getType() ||
- canvas->getSize() <= curCommand+4 ||
- SkDrawCommand::kClipRect_OpType != canvas->getDrawCommandAt(curCommand+1)->getType() ||
- SkDrawCommand::kDrawBitmapRect_OpType != canvas->getDrawCommandAt(curCommand+2)->getType() ||
- SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+3)->getType()) {
- return false;
- }
-
- SkClipRectCommand* clip =
- (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
- SkDrawBitmapRectCommand* dbmr =
- (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+2);
-
- if (clip->doAA() || SkRegion::kIntersect_Op != clip->op()) {
- return false;
- }
-
- if (!clip->rect().contains(dbmr->dstRect())) {
- return false;
- }
-
- return true;
-}
-
-// remove everything except the drawbitmaprect
-static void apply_9(SkDebugCanvas* canvas, int curCommand) {
- canvas->deleteDrawCommandAt(curCommand+3); // restore
- // drawBitmapRectToRect
- canvas->deleteDrawCommandAt(curCommand+1); // clipRect
- canvas->deleteDrawCommandAt(curCommand); // save
-}
-
-typedef bool (*PFCheck)(SkDebugCanvas* canvas, int curCommand);
-typedef void (*PFApply)(SkDebugCanvas* canvas, int curCommand);
-
-struct OptTableEntry {
- PFCheck fCheck;
- PFApply fApply;
- int fNumTimesApplied;
-} gOptTable[] = {
- { check_0, apply_0, 0 },
- { check_1, apply_1, 0 },
- { check_2, apply_2, 0 },
- { check_3, apply_3, 0 },
- { check_4, apply_4, 0 },
- { check_7, apply_7, 0 },
- { check_8, apply_8, 0 },
- { check_9, apply_9, 0 },
-};
-
-
-static int filter_picture(const SkString& inFile, const SkString& outFile) {
- SkAutoTUnref<SkPicture> inPicture;
-
- SkFILEStream inStream(inFile.c_str());
- if (inStream.isValid()) {
- inPicture.reset(SkPicture::CreateFromStream(&inStream));
- }
-
- if (nullptr == inPicture.get()) {
- SkDebugf("Could not read file %s\n", inFile.c_str());
- return -1;
- }
-
- int localCount[SK_ARRAY_COUNT(gOptTable)];
-
- memset(localCount, 0, sizeof(localCount));
-
- SkDebugCanvas debugCanvas(SkScalarCeilToInt(inPicture->cullRect().width()),
- SkScalarCeilToInt(inPicture->cullRect().height()));
- inPicture->playback(&debugCanvas);
-
- // delete the initial save and restore since replaying the commands will
- // re-add them
- if (debugCanvas.getSize() > 1) {
- debugCanvas.deleteDrawCommandAt(0);
- debugCanvas.deleteDrawCommandAt(debugCanvas.getSize()-1);
- }
-
- bool changed = true;
- int numBefore = debugCanvas.getSize();
-
- while (changed) {
- changed = false;
- for (int i = 0; i < debugCanvas.getSize(); ++i) {
- for (size_t opt = 0; opt < SK_ARRAY_COUNT(gOptTable); ++opt) {
- if ((*gOptTable[opt].fCheck)(&debugCanvas, i)) {
- (*gOptTable[opt].fApply)(&debugCanvas, i);
-
- ++gOptTable[opt].fNumTimesApplied;
- ++localCount[opt];
-
- if (debugCanvas.getSize() == i) {
- // the optimization removed all the remaining operations
- break;
- }
-
- opt = 0; // try all the opts all over again
- changed = true;
- }
- }
- }
- }
-
- int numAfter = debugCanvas.getSize();
-
- if (!outFile.isEmpty()) {
- SkPictureRecorder recorder;
- SkCanvas* canvas = recorder.beginRecording(inPicture->cullRect().width(),
- inPicture->cullRect().height(),
- nullptr, 0);
- debugCanvas.draw(canvas);
- SkAutoTUnref<SkPicture> outPicture(recorder.endRecording());
-
- SkFILEWStream outStream(outFile.c_str());
-
- 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("\t before: %d after: %d delta: %d\n",
- numBefore, numAfter, numBefore-numAfter);
- }
-
- return 0;
-}
-
-// This function is not marked as 'static' so it can be referenced externally
-// in the iOS build.
-int tool_main(int argc, char** argv); // suppress a warning on mac
-
-int tool_main(int argc, char** argv) {
- SkGraphics::Init();
-
- if (argc < 3) {
- usage();
- return -1;
- }
-
- SkString inFile, outFile, inDir, outDir;
-
- char* const* stop = argv + argc;
- for (++argv; argv < stop; ++argv) {
- if (strcmp(*argv, "-i") == 0) {
- argv++;
- if (argv < stop && **argv) {
- inFile.set(*argv);
- } else {
- SkDebugf("missing arg for -i\n");
- usage();
- return -1;
- }
- } else if (strcmp(*argv, "--input-dir") == 0) {
- argv++;
- if (argv < stop && **argv) {
- inDir.set(*argv);
- } else {
- SkDebugf("missing arg for --input-dir\n");
- usage();
- return -1;
- }
- } else if (strcmp(*argv, "--output-dir") == 0) {
- argv++;
- if (argv < stop && **argv) {
- outDir.set(*argv);
- } else {
- SkDebugf("missing arg for --output-dir\n");
- usage();
- return -1;
- }
- } else if (strcmp(*argv, "-o") == 0) {
- argv++;
- if (argv < stop && **argv) {
- outFile.set(*argv);
- } else {
- SkDebugf("missing arg for -o\n");
- usage();
- return -1;
- }
- } else if (strcmp(*argv, "--help") == 0 || strcmp(*argv, "-h") == 0) {
- usage();
- return 0;
- } else {
- SkDebugf("unknown arg %s\n", *argv);
- usage();
- return -1;
- }
- }
-
- SkOSFile::Iter iter(inDir.c_str(), "skp");
-
- SkString inputFilename, outputFilename;
- if (iter.next(&inputFilename)) {
-
- do {
- inFile = SkOSPath::Join(inDir.c_str(), inputFilename.c_str());
- if (!outDir.isEmpty()) {
- outFile = SkOSPath::Join(outDir.c_str(), inputFilename.c_str());
- }
- SkDebugf("Executing %s\n", inputFilename.c_str());
- filter_picture(inFile, outFile);
- } while(iter.next(&inputFilename));
-
- } else if (!inFile.isEmpty()) {
- filter_picture(inFile, outFile);
- } else {
- usage();
- return -1;
- }
-
- for (size_t opt = 0; opt < SK_ARRAY_COUNT(gOptTable); ++opt) {
- SkDebugf("opt %d: %d\n", opt, gOptTable[opt].fNumTimesApplied);
- }
-
- return 0;
-}
-
-#if !defined SK_BUILD_FOR_IOS
-int main(int argc, char * const argv[]) {
- return tool_main(argc, (char**) argv);
-}
-#endif
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