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cc / paint / transfer_cache_serialize_helper.h [blame]
// Copyright 2017 The Chromium Authors
// 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 <utility>
#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, uint8_t* 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,
uint8_t* 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_