| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <memory> |
| #include <string> |
| |
| #include "flutter/fml/macros.h" |
| #include "impeller/renderer/allocator.h" |
| #include "impeller/renderer/buffer.h" |
| #include "impeller/renderer/buffer_view.h" |
| #include "impeller/renderer/device_buffer_descriptor.h" |
| #include "impeller/renderer/range.h" |
| #include "impeller/renderer/texture.h" |
| |
| namespace impeller { |
| |
| class DeviceBuffer : public Buffer, |
| public std::enable_shared_from_this<DeviceBuffer> { |
| public: |
| virtual ~DeviceBuffer(); |
| |
| [[nodiscard]] bool CopyHostBuffer(const uint8_t* source, |
| Range source_range, |
| size_t offset = 0u); |
| |
| virtual bool SetLabel(const std::string& label) = 0; |
| |
| virtual bool SetLabel(const std::string& label, Range range) = 0; |
| |
| BufferView AsBufferView() const; |
| |
| virtual std::shared_ptr<Texture> AsTexture( |
| Allocator& allocator, |
| const TextureDescriptor& descriptor, |
| uint16_t row_bytes) const; |
| |
| // |Buffer| |
| std::shared_ptr<const DeviceBuffer> GetDeviceBuffer( |
| Allocator& allocator) const; |
| |
| protected: |
| const DeviceBufferDescriptor desc_; |
| |
| explicit DeviceBuffer(DeviceBufferDescriptor desc); |
| |
| virtual uint8_t* OnGetContents() const = 0; |
| |
| virtual bool OnCopyHostBuffer(const uint8_t* source, |
| Range source_range, |
| size_t offset) = 0; |
| |
| private: |
| FML_DISALLOW_COPY_AND_ASSIGN(DeviceBuffer); |
| }; |
| |
| } // namespace impeller |