ToBackend: Add support for Device

src/backend/common/ToBackend.h

@@ -53,6 +53,11 @@ namespace backend {
         using BackendType = typename BackendTraits::DepthStencilStateType;
     };
 
+    template<typename BackendTraits>
+    struct ToBackendTraits<DeviceBase, BackendTraits> {
+        using BackendType = typename BackendTraits::DeviceType;
+    };
+
     template<typename BackendTraits>
     struct ToBackendTraits<FramebufferBase, BackendTraits> {
         using BackendType = typename BackendTraits::FramebufferType;

src/backend/d3d12/D3D12Backend.h

@@ -42,6 +42,7 @@ namespace d3d12 {
     class BufferView;
     class CommandBuffer;
     class DepthStencilState;
+    class Device;
     class InputState;
     class Pipeline;
     class PipelineLayout;
@@ -60,6 +61,7 @@ namespace d3d12 {
         using BufferViewType = BufferView;
         using CommandBufferType = CommandBuffer;
         using DepthStencilStateType = DepthStencilState;
+        using DeviceType = Device;
         using InputStateType = InputState;
         using PipelineType = Pipeline;
         using PipelineLayoutType = PipelineLayout;

src/backend/metal/MetalBackend.h

@@ -55,6 +55,7 @@ namespace metal {
     class BufferView;
     class CommandBuffer;
     class DepthStencilState;
+    class Device;
     class InputState;
     class Framebuffer;
     class Pipeline;
@@ -73,6 +74,7 @@ namespace metal {
         using BufferViewType = BufferView;
         using CommandBufferType = CommandBuffer;
         using DepthStencilStateType = DepthStencilState;
+        using DeviceType = Device;
         using InputStateType = InputState;
         using FramebufferType = Framebuffer;
         using PipelineType = Pipeline;

src/backend/null/NullBackend.h

@@ -43,6 +43,7 @@ namespace null {
     using BufferView = BufferViewBase;
     using CommandBuffer = CommandBufferBase;
     using DepthStencilState = DepthStencilStateBase;
+    class Device;
     using InputState = InputStateBase;
     using Framebuffer = FramebufferBase;
     using Pipeline = PipelineBase;
@@ -61,6 +62,7 @@ namespace null {
         using BufferViewType = BufferView;
         using CommandBufferType = CommandBuffer;
         using DepthStencilStateType = DepthStencilState;
+        using DeviceType = Device;
         using InputStateType = InputState;
         using FramebufferType = Framebuffer;
         using PipelineType = Pipeline;

src/backend/opengl/OpenGLBackend.h

@@ -39,6 +39,7 @@ namespace opengl {
     class BufferView;
     class CommandBuffer;
     class DepthStencilState;
+    class Device;
     class InputState;
     class PersistentPipelineState;
     class Pipeline;
@@ -58,6 +59,7 @@ namespace opengl {
         using BufferViewType = BufferView;
         using CommandBufferType = CommandBuffer;
         using DepthStencilStateType = DepthStencilState;
+        using DeviceType = Device;
         using InputStateType = InputState;
         using PipelineType = Pipeline;
         using PipelineLayoutType = PipelineLayout;