1 // Copyright 2018 The Amber Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SRC_VULKAN_TRANSFER_IMAGE_H_ 16 #define SRC_VULKAN_TRANSFER_IMAGE_H_ 17 18 #include "amber/result.h" 19 #include "amber/vulkan_header.h" 20 #include "src/format.h" 21 #include "src/vulkan/resource.h" 22 23 namespace amber { 24 namespace vulkan { 25 26 class CommandBuffer; 27 class Device; 28 29 /// Wrapper around a Vulkan VkImage. 30 class TransferImage : public Resource { 31 public: 32 TransferImage(Device* device, 33 const Format& format, 34 VkImageAspectFlags aspect, 35 VkImageType image_type, 36 uint32_t x, 37 uint32_t y, 38 uint32_t z, 39 uint32_t mip_levels, 40 uint32_t base_mip_level, 41 uint32_t used_mip_levels, 42 uint32_t samples); 43 ~TransferImage() override; 44 45 Result Initialize(VkImageUsageFlags usage); GetVkImageView()46 VkImageView GetVkImageView() const { return view_; } 47 48 void ImageBarrier(CommandBuffer* command_buffer, 49 VkImageLayout to_layout, 50 VkPipelineStageFlags to_stage); 51 52 /// Records a command on |command_buffer| to copy the buffer contents from the 53 /// host to the device. 54 void CopyToDevice(CommandBuffer* command_buffer) override; 55 /// Records a command on |command_buffer| to copy the buffer contents from the 56 /// device to the host. 57 void CopyToHost(CommandBuffer* command_buffer) override; 58 59 private: 60 Result CreateVkImageView(VkImageAspectFlags aspect); 61 Result AllocateAndBindMemoryToVkImage(VkImage image, 62 VkDeviceMemory* memory, 63 VkMemoryPropertyFlags flags, 64 bool force_flags, 65 uint32_t* memory_type_index); 66 VkBufferImageCopy CreateBufferImageCopy(VkImageAspectFlags aspect, 67 uint32_t mip_level); 68 69 VkImageViewType GetImageViewType() const; 70 71 /// An extra `VkBuffer` is used to facilitate the transfer of data from the 72 /// host into the `VkImage` on the device. 73 VkBuffer host_accessible_buffer_ = VK_NULL_HANDLE; 74 VkDeviceMemory host_accessible_memory_ = VK_NULL_HANDLE; 75 76 VkImageCreateInfo image_info_; 77 VkImageAspectFlags aspect_; 78 79 VkImage image_ = VK_NULL_HANDLE; 80 VkImageView view_ = VK_NULL_HANDLE; 81 VkDeviceMemory memory_ = VK_NULL_HANDLE; 82 83 VkImageLayout layout_ = VK_IMAGE_LAYOUT_UNDEFINED; 84 VkPipelineStageFlags stage_ = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT; 85 86 uint32_t mip_levels_; 87 uint32_t base_mip_level_; 88 uint32_t used_mip_levels_; 89 uint32_t samples_; 90 }; 91 92 } // namespace vulkan 93 } // namespace amber 94 95 #endif // SRC_VULKAN_TRANSFER_IMAGE_H_ 96