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Unified Diff: cc/test/picture_cache_model.cc

Issue 1982893002: [blimp] Add SkPicture caching support. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: merge origin/master Created 4 years, 6 months ago
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Index: cc/test/picture_cache_model.cc
diff --git a/cc/test/picture_cache_model.cc b/cc/test/picture_cache_model.cc
new file mode 100644
index 0000000000000000000000000000000000000000..54ed06b53558a5c2459bad69b224f0cd4c63864d
--- /dev/null
+++ b/cc/test/picture_cache_model.cc
@@ -0,0 +1,47 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "cc/test/picture_cache_model.h"
+
+#include "base/logging.h"
+#include "third_party/skia/include/core/SkData.h"
+#include "third_party/skia/include/core/SkPicture.h"
+#include "third_party/skia/include/core/SkRefCnt.h"
+#include "third_party/skia/include/core/SkStream.h"
+
+class SkPixelSerializer;
+
+namespace cc {
+namespace {
+
+sk_sp<SkPicture> CopySkPicture(const SkPicture* picture) {
+ SkDynamicMemoryWStream write_stream;
+ picture->serialize(&write_stream, nullptr);
+ DCHECK_GT(write_stream.bytesWritten(), 0u);
+
+ sk_sp<SkData> data(write_stream.copyToData());
+
+ SkMemoryStream read_stream(data);
+ return SkPicture::MakeFromStream(&read_stream, nullptr);
+}
+
+} // namespace
+
+PictureCacheModel::PictureCacheModel() = default;
+
+PictureCacheModel::~PictureCacheModel() = default;
+
+void PictureCacheModel::AddPicture(const SkPicture* picture) {
+ sk_sp<SkPicture> picture_copy = CopySkPicture(picture);
+ pictures_.insert(std::make_pair(picture->uniqueID(), picture_copy));
+}
+
+sk_sp<const SkPicture> PictureCacheModel::GetPicture(uint32_t unique_id) {
vmpstr 2016/06/24 18:58:32 Does this need to be sk_sp? Can you just return a
nyquist 2016/06/24 20:31:23 That makes all the tests using it crash. It ends u
+ if (pictures_.find(unique_id) == pictures_.end())
+ return nullptr;
+
+ return pictures_.find(unique_id)->second;
+}
+
+} // namespace cc

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