diff --git a/engine/include/XCEngine/RHI/Types.h b/engine/include/XCEngine/RHI/Types.h
new file mode 100644
index 00000000..f890096f
--- /dev/null
+++ b/engine/include/XCEngine/RHI/Types.h
@@ -0,0 +1,224 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace XCEngine {
+namespace RHI {
+
+struct Viewport {
+    float topLeftX;
+    float topLeftY;
+    float width;
+    float height;
+    float minDepth;
+    float maxDepth;
+};
+
+struct Rect {
+    int32_t left;
+    int32_t top;
+    int32_t right;
+    int32_t bottom;
+};
+
+struct Color {
+    float r;
+    float g;
+    float b;
+    float a;
+};
+
+struct ClearValue {
+    Color color;
+    float depth;
+    uint8_t stencil;
+};
+
+struct ShaderCompileMacro {
+    std::wstring name;
+    std::wstring definition;
+};
+
+struct ShaderCompileDesc {
+    std::wstring entryPoint;
+    std::wstring profile;
+    std::wstring fileName;
+    std::vector<ShaderCompileMacro> macros;
+};
+
+struct InputElementDesc {
+    std::string semanticName;
+    uint32_t semanticIndex;
+    uint32_t format;
+    uint32_t inputSlot;
+    uint32_t alignedByteOffset;
+    uint32_t inputSlotClass;
+    uint32_t instanceDataStepRate;
+};
+
+struct InputLayoutDesc {
+    std::vector<InputElementDesc> elements;
+};
+
+struct VertexBufferBinding {
+    uint64_t bufferLocation;
+    uint32_t sizeInBytes;
+    uint32_t strideInBytes;
+};
+
+struct TextureCopyLocation {
+    uint64_t plSubresourceIndex;
+    void* pResource;
+};
+
+struct DescriptorHandle {
+    uint64_t ptr;
+};
+
+struct GPUDescriptorHandle {
+    uint64_t ptr;
+};
+
+struct CPUDescriptorHandle {
+    uint64_t ptr;
+};
+
+struct SubresourceRange {
+    uint32_t baseMipLevel;
+    uint32_t mipLevels;
+    uint32_t baseArraySlice;
+    uint32_t arraySize;
+};
+
+struct TextureDesc {
+    uint32_t width;
+    uint32_t height;
+    uint32_t depth;
+    uint32_t mipLevels;
+    uint32_t arraySize;
+    uint32_t format;
+    uint32_t textureType;
+    uint32_t sampleCount;
+    uint32_t sampleQuality;
+    uint64_t flags;
+};
+
+struct BufferDesc {
+    uint64_t size;
+    uint32_t stride;
+    uint32_t bufferType;
+    uint64_t flags;
+};
+
+struct RenderTargetDesc {
+    uint32_t width;
+    uint32_t height;
+    uint32_t format;
+    uint32_t sampleCount;
+    uint32_t sampleQuality;
+};
+
+struct DepthStencilDesc {
+    uint32_t width;
+    uint32_t height;
+    uint32_t format;
+    uint32_t sampleCount;
+    uint32_t sampleQuality;
+    bool depthEnable;
+    bool stencilEnable;
+};
+
+struct DescriptorHeapDesc {
+    uint32_t descriptorCount;
+    uint32_t heapType;
+    uint32_t flags;
+    uint32_t nodeMask;
+};
+
+struct CommandQueueDesc {
+    uint32_t queueType;
+    uint32_t priority;
+    uint32_t nodeMask;
+    uint64_t flags;
+};
+
+struct CommandListDesc {
+    uint32_t commandListType;
+    uint32_t nodeMask;
+};
+
+struct CommandAllocatorDesc {
+    uint32_t commandListType;
+};
+
+struct FenceDesc {
+    uint64_t initialValue;
+    uint32_t flags;
+};
+
+struct QueryHeapDesc {
+    uint32_t queryType;
+    uint32_t count;
+    uint32_t nodeMask;
+};
+
+struct SamplerDesc {
+    uint32_t filter;
+    uint32_t addressU;
+    uint32_t addressV;
+    uint32_t addressW;
+    float mipLodBias;
+    uint32_t maxAnisotropy;
+    uint32_t comparisonFunc;
+    float borderColorR;
+    float borderColorG;
+    float borderColorB;
+    float borderColorA;
+    float minLod;
+    float maxLod;
+};
+
+struct SwapChainDesc {
+    uint32_t width;
+    uint32_t height;
+    uint32_t bufferCount;
+    uint32_t format;
+    uint32_t refreshRate;
+    uint32_t sampleCount;
+    uint32_t sampleQuality;
+    uint32_t swapEffect;
+    uint32_t flags;
+};
+
+struct RenderTargetViewDesc {
+    uint32_t format;
+    uint32_t viewDimension;
+    uint32_t mipSlice;
+    uint32_t firstArraySlice;
+    uint32_t arraySize;
+};
+
+struct DepthStencilViewDesc {
+    uint32_t format;
+    uint32_t viewDimension;
+    uint32_t mipSlice;
+    uint32_t firstArraySlice;
+    uint32_t arraySize;
+};
+
+struct ShaderResourceViewDesc {
+    uint32_t format;
+    uint32_t viewDimension;
+    uint32_t shader4ComponentMapping;
+    TextureDesc textureDesc;
+};
+
+struct ConstantBufferViewDesc {
+    uint64_t bufferLocation;
+    uint32_t sizeInBytes;
+};
+
+} // namespace RHI
+} // namespace XCEngine