| // 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. |
| |
| #pragma once |
| |
| #include <memory> |
| |
| #include "flutter/fml/macros.h" |
| #include "impeller/base/backend_cast.h" |
| #include "impeller/renderer/backend/vulkan/context_vk.h" |
| #include "impeller/renderer/device_buffer.h" |
| |
| namespace impeller { |
| |
| // https://github.com/flutter/flutter/issues/112387 |
| // This buffer can be freed once the command buffer is disposed. |
| // vmaDestroyBuffer(allocator_, buffer_, allocation_); |
| struct BackingAllocationVK { |
| VmaAllocator* allocator = nullptr; |
| VmaAllocation allocation = nullptr; |
| VmaAllocationInfo allocation_info = {}; |
| }; |
| |
| struct DeviceBufferAllocationVK { |
| vk::Buffer buffer = VK_NULL_HANDLE; |
| BackingAllocationVK backing_allocation = {}; |
| |
| void* GetMapping() const; |
| |
| vk::Buffer GetBufferHandle() const; |
| }; |
| |
| class DeviceBufferVK final : public DeviceBuffer, |
| public BackendCast<DeviceBufferVK, DeviceBuffer> { |
| public: |
| DeviceBufferVK(DeviceBufferDescriptor desc, |
| ContextVK& context, |
| std::unique_ptr<DeviceBufferAllocationVK> device_allocation); |
| |
| // |DeviceBuffer| |
| ~DeviceBufferVK() override; |
| |
| vk::Buffer GetVKBufferHandle() const; |
| |
| private: |
| friend class AllocatorVK; |
| |
| ContextVK& context_; |
| std::unique_ptr<DeviceBufferAllocationVK> device_allocation_; |
| |
| // |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; |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(DeviceBufferVK); |
| }; |
| |
| } // namespace impeller |