98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
// Copyright 2018 The Amber Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_VULKAN_TRANSFER_IMAGE_H_
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#define SRC_VULKAN_TRANSFER_IMAGE_H_
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#include "amber/result.h"
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#include "amber/vulkan_header.h"
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#include "src/format.h"
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#include "src/vulkan/resource.h"
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namespace amber {
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namespace vulkan {
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class CommandBuffer;
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class Device;
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/// Wrapper around a Vulkan VkImage.
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class TransferImage : public Resource {
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public:
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TransferImage(Device* device,
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const Format& format,
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VkImageAspectFlags aspect,
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VkImageType image_type,
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VkImageUsageFlags image_usage_flags,
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uint32_t x,
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uint32_t y,
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uint32_t z,
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uint32_t mip_levels,
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uint32_t base_mip_level,
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uint32_t used_mip_levels,
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uint32_t samples);
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~TransferImage() override;
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TransferImage* AsTransferImage() override { return this; }
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Result Initialize() override;
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VkImageView GetVkImageView() const { return view_; }
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void ImageBarrier(CommandBuffer* command_buffer,
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VkImageLayout to_layout,
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VkPipelineStageFlags to_stage);
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/// Records a command on |command_buffer| to copy the buffer contents from the
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/// host to the device.
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void CopyToDevice(CommandBuffer* command_buffer) override;
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/// Records a command on |command_buffer| to copy the buffer contents from the
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/// device to the host.
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void CopyToHost(CommandBuffer* command_buffer) override;
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private:
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Result CreateVkImageView(VkImageAspectFlags aspect);
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Result AllocateAndBindMemoryToVkImage(VkImage image,
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VkDeviceMemory* memory,
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VkMemoryPropertyFlags flags,
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bool force_flags,
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uint32_t* memory_type_index);
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VkBufferImageCopy CreateBufferImageCopy(VkImageAspectFlags aspect,
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uint32_t mip_level);
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VkImageViewType GetImageViewType() const;
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/// An extra `VkBuffer` is used to facilitate the transfer of data from the
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/// host into the `VkImage` on the device.
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VkBuffer host_accessible_buffer_ = VK_NULL_HANDLE;
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VkDeviceMemory host_accessible_memory_ = VK_NULL_HANDLE;
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VkImageCreateInfo image_info_;
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VkImageAspectFlags aspect_;
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VkImage image_ = VK_NULL_HANDLE;
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VkImageView view_ = VK_NULL_HANDLE;
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VkDeviceMemory memory_ = VK_NULL_HANDLE;
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VkImageLayout layout_ = VK_IMAGE_LAYOUT_UNDEFINED;
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VkPipelineStageFlags stage_ = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
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uint32_t mip_levels_;
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uint32_t base_mip_level_;
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uint32_t used_mip_levels_;
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uint32_t samples_;
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};
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} // namespace vulkan
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} // namespace amber
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#endif // SRC_VULKAN_TRANSFER_IMAGE_H_
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