| /* |
| * 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 "DecodingBench.h" |
| #include "SkData.h" |
| #include "SkImageDecoder.h" |
| #include "SkOSFile.h" |
| #include "SkStream.h" |
| |
| /* |
| * |
| * This benchmark is designed to test the performance of image decoding. |
| * It is invoked from the nanobench.cpp file. |
| * |
| */ |
| DecodingBench::DecodingBench(SkString path, SkColorType colorType) |
| : fColorType(colorType) |
| { |
| // Parse filename and the color type to give the benchmark a useful name |
| SkString baseName = SkOSPath::Basename(path.c_str()); |
| const char* colorName; |
| switch(colorType) { |
| case kN32_SkColorType: |
| colorName = "N32"; |
| break; |
| case kRGB_565_SkColorType: |
| colorName = "565"; |
| break; |
| case kAlpha_8_SkColorType: |
| colorName = "Alpha8"; |
| break; |
| default: |
| colorName = "Unknown"; |
| } |
| fName.printf("Decode_%s_%s", baseName.c_str(), colorName); |
| |
| // Perform setup for the decode |
| SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(path.c_str())); |
| fStream.reset(new SkMemoryStream(encoded)); |
| fDecoder.reset(SkImageDecoder::Factory(fStream.get())); |
| } |
| |
| const char* DecodingBench::onGetName() { |
| return fName.c_str(); |
| } |
| |
| bool DecodingBench::isSuitableFor(Backend backend) { |
| return kNonRendering_Backend == backend; |
| } |
| |
| void DecodingBench::onDraw(const int n, SkCanvas* canvas) { |
| SkBitmap bitmap; |
| for (int i = 0; i < n; i++) { |
| fStream->rewind(); |
| fDecoder->decode(fStream, &bitmap, fColorType, |
| SkImageDecoder::kDecodePixels_Mode); |
| } |
| } |