| // 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_BUFFER_DESCRIPTOR_H_ |
| #define SRC_VULKAN_BUFFER_DESCRIPTOR_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "amber/result.h" |
| #include "amber/value.h" |
| #include "amber/vulkan_header.h" |
| #include "src/buffer.h" |
| #include "src/engine.h" |
| #include "src/vulkan/transfer_buffer.h" |
| |
| namespace amber { |
| namespace vulkan { |
| |
| class CommandBuffer; |
| class Device; |
| |
| enum class DescriptorType : uint8_t { |
| kStorageBuffer = 0, |
| kUniformBuffer, |
| }; |
| |
| /// Stores descriptor set and binding information for storage and uniform |
| /// buffers. |
| class BufferDescriptor { |
| public: |
| BufferDescriptor(Buffer* buffer, |
| DescriptorType type, |
| Device* device, |
| uint32_t desc_set, |
| uint32_t binding); |
| ~BufferDescriptor(); |
| |
| uint32_t GetDescriptorSet() const { return descriptor_set_; } |
| uint32_t GetBinding() const { return binding_; } |
| |
| VkDescriptorType GetVkDescriptorType() const; |
| |
| bool IsStorageBuffer() const { |
| return type_ == DescriptorType::kStorageBuffer; |
| } |
| bool IsUniformBuffer() const { |
| return type_ == DescriptorType::kUniformBuffer; |
| } |
| |
| Result CreateResourceIfNeeded(); |
| void RecordCopyDataToResourceIfNeeded(CommandBuffer* command); |
| Result RecordCopyDataToHost(CommandBuffer* command); |
| Result MoveResourceToBufferOutput(); |
| void UpdateDescriptorSetIfNeeded(VkDescriptorSet descriptor_set); |
| |
| Result SetSizeInElements(uint32_t element_count); |
| Result AddToBuffer(const std::vector<Value>& values, uint32_t offset); |
| |
| private: |
| Device* device_ = nullptr; |
| Buffer* amber_buffer_ = nullptr; |
| std::unique_ptr<TransferBuffer> transfer_buffer_; |
| |
| DescriptorType type_ = DescriptorType::kStorageBuffer; |
| |
| bool is_descriptor_set_update_needed_ = false; |
| uint32_t descriptor_set_ = 0; |
| uint32_t binding_ = 0; |
| }; |
| |
| } // namespace vulkan |
| } // namespace amber |
| |
| #endif // SRC_VULKAN_BUFFER_DESCRIPTOR_H_ |