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// Copyright 2018 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_VULKAN_TRANSFER_BUFFER_H_
#define SRC_VULKAN_TRANSFER_BUFFER_H_
#include <vector>
#include "amber/result.h"
#include "amber/vulkan_header.h"
#include "src/vulkan/resource.h"
namespace amber {
namespace vulkan {
class CommandBuffer;
class Device;
/// Wrapper around a Vulkan VkBuffer object.
class TransferBuffer : public Resource {
public:
TransferBuffer(Device* device, uint32_t size_in_bytes);
~TransferBuffer() override;
Result Initialize(const VkBufferUsageFlags usage);
VkBuffer GetVkBuffer() const { return buffer_; }
/// Records a command on |command_buffer| to copy the buffer contents from the
/// host to the device.
void CopyToDevice(CommandBuffer* command_buffer) override;
/// Records a command on |command_buffer| to copy the buffer contents from the
/// device to the host.
void CopyToHost(CommandBuffer* command_buffer) override;
void UpdateMemoryWithRawData(const std::vector<uint8_t>& raw_data);
private:
VkBuffer buffer_ = VK_NULL_HANDLE;
VkDeviceMemory memory_ = VK_NULL_HANDLE;
};
} // namespace vulkan
} // namespace amber
#endif // SRC_VULKAN_TRANSFER_BUFFER_H_
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