| // Copyright 2018 The Dawn 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 DAWNNATIVE_VULKAN_FORWARD_H_ | 
 | #define DAWNNATIVE_VULKAN_FORWARD_H_ | 
 |  | 
 | #include "dawn_native/ToBackend.h" | 
 |  | 
 | namespace dawn_native { | 
 |     class BufferViewBase; | 
 | } | 
 |  | 
 | namespace dawn_native { namespace vulkan { | 
 |  | 
 |     class BindGroup; | 
 |     class BindGroupLayout; | 
 |     class BlendState; | 
 |     class Buffer; | 
 |     using BufferView = BufferViewBase; | 
 |     class CommandBuffer; | 
 |     class ComputePipeline; | 
 |     class DepthStencilState; | 
 |     class Device; | 
 |     class InputState; | 
 |     class PipelineLayout; | 
 |     class Queue; | 
 |     class RenderPassDescriptor; | 
 |     class RenderPipeline; | 
 |     class Sampler; | 
 |     class ShaderModule; | 
 |     class SwapChain; | 
 |     class Texture; | 
 |     class TextureView; | 
 |  | 
 |     struct VulkanBackendTraits { | 
 |         using BindGroupType = BindGroup; | 
 |         using BindGroupLayoutType = BindGroupLayout; | 
 |         using BlendStateType = BlendState; | 
 |         using BufferType = Buffer; | 
 |         using BufferViewType = BufferView; | 
 |         using CommandBufferType = CommandBuffer; | 
 |         using ComputePipelineType = ComputePipeline; | 
 |         using DepthStencilStateType = DepthStencilState; | 
 |         using DeviceType = Device; | 
 |         using InputStateType = InputState; | 
 |         using PipelineLayoutType = PipelineLayout; | 
 |         using QueueType = Queue; | 
 |         using RenderPassDescriptorType = RenderPassDescriptor; | 
 |         using RenderPipelineType = RenderPipeline; | 
 |         using SamplerType = Sampler; | 
 |         using ShaderModuleType = ShaderModule; | 
 |         using SwapChainType = SwapChain; | 
 |         using TextureType = Texture; | 
 |         using TextureViewType = TextureView; | 
 |     }; | 
 |  | 
 |     template <typename T> | 
 |     auto ToBackend(T&& common) -> decltype(ToBackendBase<VulkanBackendTraits>(common)) { | 
 |         return ToBackendBase<VulkanBackendTraits>(common); | 
 |     } | 
 |  | 
 | }}  // namespace dawn_native::vulkan | 
 |  | 
 | #endif  // DAWNNATIVE_VULKAN_FORWARD_H_ |