| // 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. |
| |
| #ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_DEVICE_BUFFER_VK_H_ |
| #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_DEVICE_BUFFER_VK_H_ |
| |
| #include <memory> |
| |
| #include "impeller/base/backend_cast.h" |
| #include "impeller/core/device_buffer.h" |
| #include "impeller/renderer/backend/vulkan/resource_manager_vk.h" |
| #include "impeller/renderer/backend/vulkan/vma.h" |
| |
| namespace impeller { |
| |
| class DeviceBufferVK final : public DeviceBuffer, |
| public BackendCast<DeviceBufferVK, DeviceBuffer> { |
| public: |
| DeviceBufferVK(DeviceBufferDescriptor desc, |
| std::weak_ptr<Context> context, |
| UniqueBufferVMA buffer, |
| VmaAllocationInfo info); |
| |
| // |DeviceBuffer| |
| ~DeviceBufferVK() override; |
| |
| vk::Buffer GetBuffer() const; |
| |
| private: |
| friend class AllocatorVK; |
| |
| struct BufferResource { |
| UniqueBufferVMA buffer; |
| VmaAllocationInfo info = {}; |
| |
| BufferResource() = default; |
| |
| BufferResource(UniqueBufferVMA p_buffer, VmaAllocationInfo p_info) |
| : buffer(std::move(p_buffer)), info(p_info) {} |
| |
| BufferResource(BufferResource&& o) { |
| std::swap(o.buffer, buffer); |
| std::swap(o.info, info); |
| } |
| |
| BufferResource(const BufferResource&) = delete; |
| |
| BufferResource& operator=(const BufferResource&) = delete; |
| }; |
| |
| std::weak_ptr<Context> context_; |
| UniqueResourceVKT<BufferResource> resource_; |
| |
| // |DeviceBuffer| |
| uint8_t* OnGetContents() const override; |
| |
| // |DeviceBuffer| |
| bool OnCopyHostBuffer(const uint8_t* source, |
| Range source_range, |
| size_t offset) override; |
| |
| // |DeviceBuffer| |
| bool SetLabel(const std::string& label) override; |
| |
| // |DeviceBuffer| |
| bool SetLabel(const std::string& label, Range range) override; |
| |
| // |DeviceBuffer| |
| void Flush(std::optional<Range> range) const override; |
| |
| // |DeviceBuffer| |
| void Invalidate(std::optional<Range> range) const override; |
| |
| DeviceBufferVK(const DeviceBufferVK&) = delete; |
| |
| DeviceBufferVK& operator=(const DeviceBufferVK&) = delete; |
| }; |
| |
| } // namespace impeller |
| |
| #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_DEVICE_BUFFER_VK_H_ |