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Unified Diff: bench/subset/SubsetZoomBench.h

Issue 1160953002: Subset decoding benchmarks (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Added FIXME Created 5 years, 6 months ago
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Index: bench/subset/SubsetZoomBench.h
diff --git a/bench/subset/SubsetZoomBench.h b/bench/subset/SubsetZoomBench.h
new file mode 100644
index 0000000000000000000000000000000000000000..6a8f62de464d0c45fc85a6ac23b487d557051902
--- /dev/null
+++ b/bench/subset/SubsetZoomBench.h
@@ -0,0 +1,42 @@
+/*
+ * 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 "Benchmark.h"
+#include "SkImageDecoder.h"
+#include "SkImageInfo.h"
+#include "SkStream.h"
+#include "SkString.h"
+
+/*
+ *
+ * This benchmark is designed to test the performance of subset decoding.
+ * Choose subsets to mimic a user zooming in or out on a photo.
+ *
+ */
+class SubsetZoomBench : public Benchmark {
+public:
+
+ SubsetZoomBench(const SkString& path,
+ SkColorType colorType,
+ uint32_t subsetWidth,
+ uint32_t subsetHeight,
+ bool useCodec);
+
+protected:
+ const char* onGetName() override;
+ bool isSuitableFor(Backend backend) override;
+ void onDraw(const int n, SkCanvas* canvas) override;
+
+private:
+ SkString fName;
+ SkColorType fColorType;
+ const uint32_t fSubsetWidth;
+ const uint32_t fSubsetHeight;
+ const bool fUseCodec;
+ SkAutoTDelete<SkMemoryStream> fStream;
+ typedef Benchmark INHERITED;
+};
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