Index: bench/ImageDecodeBench.cpp |
diff --git a/bench/ImageDecodeBench.cpp b/bench/ImageDecodeBench.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1cb29b1f1e287daf5ec2fd6382d4825215d20be4 |
--- /dev/null |
+++ b/bench/ImageDecodeBench.cpp |
@@ -0,0 +1,91 @@ |
+/* |
+ * Copyright 2013 Google Inc. |
+ * |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+#include "SkBenchmark.h" |
+#include "SkBitmap.h" |
+#include "SkData.h" |
+#include "SkForceLinking.h" |
+#include "SkImageDecoder.h" |
+#include "SkOSFile.h" |
+#include "SkStream.h" |
+#include "SkString.h" |
+ |
+__SK_FORCE_IMAGE_DECODER_LINKING; |
+ |
+class SkCanvas; |
+ |
+class ImageDecodeBench : public SkBenchmark { |
+public: |
+ ImageDecodeBench(void* p, const char* filename) |
+ : INHERITED(p) |
+ , fName("image_decode_") |
+ , fFilename(filename) |
+ , fStream() |
+ , fValid(false) { |
+ fName.append(SkOSPath::SkBasename(filename)); |
+ fIsRendering = false; |
+ } |
+ |
+protected: |
+ virtual const char* onGetName() SK_OVERRIDE { |
+ return fName.c_str(); |
+ } |
+ |
+ virtual void onPreDraw() SK_OVERRIDE { |
+ SkFILEStream fileStream(fFilename.c_str()); |
+ fValid = fileStream.isValid() && fileStream.getLength() > 0; |
+ if (fValid) { |
+ const size_t size = fileStream.getLength(); |
+ void* data = sk_malloc_throw(size); |
+ if (fileStream.read(data, size) < size) { |
+ fValid = false; |
+ } else { |
+ SkAutoTUnref<SkData> skdata(SkData::NewFromMalloc(data, size)); |
+ fStream.setData(skdata.get()); |
+ } |
+ } |
+ } |
+ |
+ virtual void onDraw(SkCanvas*) SK_OVERRIDE { |
+#ifdef SK_DEBUG |
+ if (!fValid) { |
+ SkDebugf("stream was invalid: %s\n", fName.c_str()); |
+ return; |
+ } |
+#endif |
+ // Decode a bunch of times |
+ SkBitmap bm; |
+ for (int i = 0; i < SkBENCHLOOP(1000); ++i) { |
+ SkDEBUGCODE(bool success =) SkImageDecoder::DecodeStream(&fStream, &bm); |
+#ifdef SK_DEBUG |
+ if (!success) { |
+ SkDebugf("failed to decode %s\n", fName.c_str()); |
+ return; |
+ } |
+#endif |
+ SkDEBUGCODE(success =) fStream.rewind(); |
+#ifdef SK_DEBUG |
+ if (!success) { |
+ SkDebugf("failed to rewind %s\n", fName.c_str()); |
+ return; |
+ } |
+#endif |
+ } |
+ } |
+ |
+private: |
+ SkString fName; |
+ const SkString fFilename; |
+ SkMemoryStream fStream; |
+ bool fValid; |
+ |
+ typedef SkBenchmark INHERITED; |
+}; |
+ |
+// These are files which call decodePalette |
+//DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, (p, "/usr/local/google/home/scroggo/Downloads/images/hal_163x90.png")); ) |
+//DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, (p, "/usr/local/google/home/scroggo/Downloads/images/box_19_top-left.png")); ) |