1 // Copyright 2019 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_BUFFER_BACKED_DESCRIPTOR_H_ 16 #define SRC_VULKAN_BUFFER_BACKED_DESCRIPTOR_H_ 17 18 #include <memory> 19 #include <vector> 20 21 #include "amber/result.h" 22 #include "amber/value.h" 23 #include "amber/vulkan_header.h" 24 #include "src/buffer.h" 25 #include "src/engine.h" 26 #include "src/vulkan/descriptor.h" 27 #include "src/vulkan/resource.h" 28 29 namespace amber { 30 namespace vulkan { 31 32 class BufferBackedDescriptor : public Descriptor { 33 public: 34 BufferBackedDescriptor(Buffer* buffer, 35 DescriptorType type, 36 Device* device, 37 uint32_t desc_set, 38 uint32_t binding); 39 ~BufferBackedDescriptor() override; 40 CreateResourceIfNeeded()41 Result CreateResourceIfNeeded() override { return {}; } 42 Result RecordCopyDataToResourceIfNeeded(CommandBuffer* command) override; 43 Result RecordCopyDataToHost(CommandBuffer* command) override; 44 Result MoveResourceToBufferOutput() override; GetDescriptorCount()45 uint32_t GetDescriptorCount() override { 46 return static_cast<uint32_t>(amber_buffers_.size()); 47 } GetAmberBuffers()48 const std::vector<Buffer*>& GetAmberBuffers() const { return amber_buffers_; } AddAmberBuffer(Buffer * buffer)49 void AddAmberBuffer(Buffer* buffer) { amber_buffers_.push_back(buffer); } AsBufferBackedDescriptor()50 BufferBackedDescriptor* AsBufferBackedDescriptor() override { return this; } 51 bool IsReadOnly() const; 52 53 protected: 54 virtual std::vector<Resource*> GetResources() = 0; 55 56 private: 57 std::vector<Buffer*> amber_buffers_; 58 }; 59 60 } // namespace vulkan 61 } // namespace amber 62 63 #endif // SRC_VULKAN_BUFFER_BACKED_DESCRIPTOR_H_ 64