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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_IMAGE_H_
#define SRC_VULKAN_TRANSFER_IMAGE_H_
#include "amber/result.h"
#include "amber/vulkan_header.h"
#include "src/vulkan/resource.h"
namespace amber {
namespace vulkan {
class CommandBuffer;
class Device;
class TransferImage : public Resource {
public:
TransferImage(Device* device,
VkFormat format,
VkImageAspectFlags aspect,
uint32_t x,
uint32_t y,
uint32_t z,
const VkPhysicalDeviceMemoryProperties& properties);
~TransferImage() override;
Result Initialize(VkImageUsageFlags usage);
VkImage GetVkImage() const { return image_; }
VkImageView GetVkImageView() const { return view_; }
// TODO(jaebaek): Implement CopyToDevice
void ChangeLayout(CommandBuffer* command,
VkImageLayout old_layout,
VkImageLayout new_layout,
VkPipelineStageFlags from,
VkPipelineStageFlags to);
// Only record the command for copying this image to its secondary
// host-accessible buffer. The actual submission of the command
// must be done later.
Result CopyToHost(CommandBuffer* command) override;
void Shutdown() override;
private:
Result CreateVkImageView();
Result AllocateAndBindMemoryToVkImage(VkImage image,
VkDeviceMemory* memory,
VkMemoryPropertyFlags flags,
bool force_flags,
uint32_t* memory_type_index);
const VkMemoryRequirements GetVkImageMemoryRequirements(VkImage image) const;
VkBuffer host_accessible_buffer_ = VK_NULL_HANDLE;
VkDeviceMemory host_accessible_memory_ = VK_NULL_HANDLE;
VkImageCreateInfo image_info_;
VkImageAspectFlags aspect_;
VkImage image_ = VK_NULL_HANDLE;
VkImageView view_ = VK_NULL_HANDLE;
VkDeviceMemory memory_ = VK_NULL_HANDLE;
};
} // namespace vulkan
} // namespace amber
#endif // SRC_VULKAN_TRANSFER_IMAGE_H_
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