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- // Copyright 2017 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.
- #ifndef CC_PAINT_TRANSFER_CACHE_SERIALIZE_HELPER_H_
- #define CC_PAINT_TRANSFER_CACHE_SERIALIZE_HELPER_H_
- #include <set>
- #include <vector>
- #include "cc/paint/paint_export.h"
- #include "cc/paint/transfer_cache_entry.h"
- namespace cc {
- class CC_PAINT_EXPORT TransferCacheSerializeHelper {
- public:
- TransferCacheSerializeHelper();
- virtual ~TransferCacheSerializeHelper();
- bool LockEntry(TransferCacheEntryType type, uint32_t id);
- // The PaintOpWriter passes the address where the transfer cache may inline
- // this entry. The size returned is the memory used if the entry is inlined,
- // or 0u if no data is inlined.
- uint32_t CreateEntry(const ClientTransferCacheEntry& entry, char* memory);
- void FlushEntries();
- void AssertLocked(TransferCacheEntryType type, uint32_t id);
- protected:
- using EntryKey = std::pair<TransferCacheEntryType, uint32_t>;
- virtual bool LockEntryInternal(const EntryKey& key) = 0;
- virtual uint32_t CreateEntryInternal(const ClientTransferCacheEntry& entry,
- char* memory) = 0;
- virtual void FlushEntriesInternal(std::set<EntryKey> keys) = 0;
- private:
- std::set<EntryKey> added_entries_;
- };
- } // namespace cc
- #endif // CC_PAINT_TRANSFER_CACHE_SERIALIZE_HELPER_H_
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