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Unified Diff: bench/subset/SubsetTranslateBench.cpp

Issue 1531833002: Remove Subset*Benches (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years ago
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Index: bench/subset/SubsetTranslateBench.cpp
diff --git a/bench/subset/SubsetTranslateBench.cpp b/bench/subset/SubsetTranslateBench.cpp
deleted file mode 100644
index bcf1227454057b48a596d55a36d7dca388e8cd2d..0000000000000000000000000000000000000000
--- a/bench/subset/SubsetTranslateBench.cpp
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "CodecBenchPriv.h"
-#include "SubsetTranslateBench.h"
-#include "SubsetBenchPriv.h"
-#include "SkData.h"
-#include "SkCodec.h"
-#include "SkImageDecoder.h"
-#include "SkOSFile.h"
-#include "SkStream.h"
-
-/*
- *
- * This benchmark is designed to test the performance of subset decoding.
- * It uses input dimensions to decode the entire image where each block is susbetW x subsetH.
- *
- */
-
-SubsetTranslateBench::SubsetTranslateBench(const SkString& path,
- SkColorType colorType,
- uint32_t subsetWidth,
- uint32_t subsetHeight)
- : fColorType(colorType)
- , fSubsetWidth(subsetWidth)
- , fSubsetHeight(subsetHeight)
-{
- // Parse the filename
- SkString baseName = SkOSPath::Basename(path.c_str());
-
- // Choose an informative color name
- const char* colorName = color_type_to_str(fColorType);
-
- fName.printf("CodecSubsetTranslate_%dx%d_%s_%s", fSubsetWidth,
- fSubsetHeight, baseName.c_str(), colorName);
-
- // Perform the decode setup
- SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(path.c_str()));
- fStream.reset(new SkMemoryStream(encoded));
-}
-
-const char* SubsetTranslateBench::onGetName() {
- return fName.c_str();
-}
-
-bool SubsetTranslateBench::isSuitableFor(Backend backend) {
- return kNonRendering_Backend == backend;
-}
-
-// Allows allocating the bitmap first, and then writing to them later (in startScanlineDecode)
-static SkPMColor* get_colors(SkBitmap* bm) {
- SkColorTable* ct = bm->getColorTable();
- if (!ct) {
- return nullptr;
- }
-
- return const_cast<SkPMColor*>(ct->readColors());
-}
-
-void SubsetTranslateBench::onDraw(int n, SkCanvas* canvas) {
- // When the color type is kIndex8, we will need to store the color table. If it is
- // used, it will be initialized by the codec.
- int colorCount = 256;
- SkPMColor colors[256];
- for (int count = 0; count < n; count++) {
- SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(fStream->duplicate()));
- SkASSERT(SkCodec::kOutOfOrder_SkScanlineOrder != codec->getScanlineOrder());
- const SkImageInfo info = codec->getInfo().makeColorType(fColorType);
-
- SkBitmap bitmap;
- // Note that we use the same bitmap for all of the subsets.
- // It might be larger than necessary for the end subsets.
- SkImageInfo subsetInfo = info.makeWH(fSubsetWidth, fSubsetHeight);
- alloc_pixels(&bitmap, subsetInfo, colors, colorCount);
-
- for (int x = 0; x < info.width(); x += fSubsetWidth) {
- for (int y = 0; y < info.height(); y += fSubsetHeight) {
- const uint32_t currSubsetWidth =
- x + (int) fSubsetWidth > info.width() ?
- info.width() - x : fSubsetWidth;
- const uint32_t currSubsetHeight =
- y + (int) fSubsetHeight > info.height() ?
- info.height() - y : fSubsetHeight;
-
- // The scanline decoder will handle subsetting in the x-dimension.
- SkIRect subset = SkIRect::MakeXYWH(x, 0, currSubsetWidth,
- codec->getInfo().height());
- SkCodec::Options options;
- options.fSubset = &subset;
-
- SkDEBUGCODE(SkCodec::Result result =)
- codec->startScanlineDecode(info, &options, get_colors(&bitmap), &colorCount);
- SkASSERT(SkCodec::kSuccess == result);
-
- SkDEBUGCODE(bool success =) codec->skipScanlines(y);
- SkASSERT(success);
-
- SkDEBUGCODE(uint32_t lines =) codec->getScanlines(bitmap.getPixels(),
- currSubsetHeight, bitmap.rowBytes());
- SkASSERT(currSubsetHeight == lines);
- }
- }
- }
-}
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