| // Copyright 2024 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_REFCOUNTED_BUFFER_H_ |
| #define CC_PAINT_REFCOUNTED_BUFFER_H_ |
| |
| #include <utility> |
| #include <vector> |
| |
| #include "base/memory/ref_counted.h" |
| #include "cc/paint/paint_export.h" |
| |
| namespace cc { |
| |
| // A trivial RefCounted wrapper for a block of data. |
| // This is intended to minimize the number of copies when e.g. |
| // recording large vertex/uv/index arrays to a PaintOpBuffer. |
| template <typename T> |
| class CC_PAINT_EXPORT RefCountedBuffer |
| : public base::RefCounted<RefCountedBuffer<T>> { |
| public: |
| REQUIRE_ADOPTION_FOR_REFCOUNTED_TYPE(); |
| |
| explicit RefCountedBuffer(std::vector<T> data) : buffer_(std::move(data)) {} |
| |
| const std::vector<T>& data() const { return buffer_; } |
| std::vector<T>& data() { return buffer_; } |
| |
| bool operator==(const RefCountedBuffer& other) const { |
| return buffer_ == other.buffer_; |
| } |
| |
| private: |
| friend class base::RefCounted<RefCountedBuffer<T>>; |
| ~RefCountedBuffer() = default; |
| |
| std::vector<T> buffer_; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_PAINT_REFCOUNTED_BUFFER_H_ |