blob: 3e709cafd6436e94175e522c14731b7091b7a59e [file] [log] [blame]
// Copyright (c) 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_IMAGE_TRANSFER_CACHE_ENTRY_H_
#define CC_PAINT_IMAGE_TRANSFER_CACHE_ENTRY_H_
#include <vector>
#include "base/atomic_sequence_num.h"
#include "base/containers/span.h"
#include "cc/paint/transfer_cache_entry.h"
#include "third_party/skia/include/core/SkImage.h"
namespace cc {
static constexpr uint32_t kInvalidImageTransferCacheEntryId =
static_cast<uint32_t>(-1);
// Client/ServiceImageTransferCacheEntry implement a transfer cache entry
// for transferring image data. On the client side, this is a CPU SkPixmap,
// on the service side the image is uploaded and is a GPU SkImage.
class CC_PAINT_EXPORT ClientImageTransferCacheEntry
: public ClientTransferCacheEntryBase<TransferCacheEntryType::kImage> {
public:
explicit ClientImageTransferCacheEntry(
const SkPixmap* pixmap,
const SkColorSpace* target_color_space);
~ClientImageTransferCacheEntry() final;
uint32_t Id() const final;
// ClientTransferCacheEntry implementation:
size_t SerializedSize() const final;
bool Serialize(base::span<uint8_t> data) const final;
private:
uint32_t id_;
const SkPixmap* const pixmap_;
const SkColorSpace* const target_color_space_;
size_t size_ = 0;
static base::AtomicSequenceNumber s_next_id_;
};
class CC_PAINT_EXPORT ServiceImageTransferCacheEntry
: public ServiceTransferCacheEntryBase<TransferCacheEntryType::kImage> {
public:
ServiceImageTransferCacheEntry();
~ServiceImageTransferCacheEntry() final;
ServiceImageTransferCacheEntry(ServiceImageTransferCacheEntry&& other);
ServiceImageTransferCacheEntry& operator=(
ServiceImageTransferCacheEntry&& other);
// ServiceTransferCacheEntry implementation:
size_t CachedSize() const final;
bool Deserialize(GrContext* context, base::span<const uint8_t> data) final;
const sk_sp<SkImage>& image() { return image_; }
private:
sk_sp<SkImage> image_;
size_t size_ = 0;
};
} // namespace cc
#endif // CC_PAINT_IMAGE_TRANSFER_CACHE_ENTRY_H_