1 files changed, 474 insertions, 0 deletions

diff --git a/contrib/DirectX-Headers/include/directx/d3d12shader.h b/contrib/DirectX-Headers/include/directx/d3d12shader.h
new file mode 100644
index 0000000..4ff639b
--- /dev/null
+++ b/contrib/DirectX-Headers/include/directx/d3d12shader.h
@@ -0,0 +1,474 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (c) Microsoft Corporation.
+//  Licensed under the MIT license.
+//
+//  File:       D3D12Shader.h
+//  Content:    D3D12 Shader Types and APIs
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef __D3D12SHADER_H__
+#define __D3D12SHADER_H__
+
+#include "d3dcommon.h"
+
+typedef enum D3D12_SHADER_VERSION_TYPE
+{
+    D3D12_SHVER_PIXEL_SHADER    = 0,
+    D3D12_SHVER_VERTEX_SHADER   = 1,
+    D3D12_SHVER_GEOMETRY_SHADER = 2,
+    
+    // D3D11 Shaders
+    D3D12_SHVER_HULL_SHADER     = 3,
+    D3D12_SHVER_DOMAIN_SHADER   = 4,
+    D3D12_SHVER_COMPUTE_SHADER  = 5,
+
+    D3D12_SHVER_RESERVED0       = 0xFFF0,
+} D3D12_SHADER_VERSION_TYPE;
+
+#define D3D12_SHVER_GET_TYPE(_Version) \
+    (((_Version) >> 16) & 0xffff)
+#define D3D12_SHVER_GET_MAJOR(_Version) \
+    (((_Version) >> 4) & 0xf)
+#define D3D12_SHVER_GET_MINOR(_Version) \
+    (((_Version) >> 0) & 0xf)
+
+// Slot ID for library function return
+#define D3D_RETURN_PARAMETER_INDEX (-1)
+
+typedef D3D_RESOURCE_RETURN_TYPE D3D12_RESOURCE_RETURN_TYPE;
+
+typedef D3D_CBUFFER_TYPE D3D12_CBUFFER_TYPE;
+
+
+typedef struct _D3D12_SIGNATURE_PARAMETER_DESC
+{
+    LPCSTR                      SemanticName;   // Name of the semantic
+    UINT                        SemanticIndex;  // Index of the semantic
+    UINT                        Register;       // Number of member variables
+    D3D_NAME                    SystemValueType;// A predefined system value, or D3D_NAME_UNDEFINED if not applicable
+    D3D_REGISTER_COMPONENT_TYPE ComponentType;  // Scalar type (e.g. uint, float, etc.)
+    BYTE                        Mask;           // Mask to indicate which components of the register
+                                                // are used (combination of D3D10_COMPONENT_MASK values)
+    BYTE                        ReadWriteMask;  // Mask to indicate whether a given component is 
+                                                // never written (if this is an output signature) or
+                                                // always read (if this is an input signature).
+                                                // (combination of D3D_MASK_* values)
+    UINT                        Stream;         // Stream index
+    D3D_MIN_PRECISION           MinPrecision;   // Minimum desired interpolation precision
+} D3D12_SIGNATURE_PARAMETER_DESC;
+
+typedef struct _D3D12_SHADER_BUFFER_DESC
+{
+    LPCSTR                  Name;           // Name of the constant buffer
+    D3D_CBUFFER_TYPE        Type;           // Indicates type of buffer content
+    UINT                    Variables;      // Number of member variables
+    UINT                    Size;           // Size of CB (in bytes)
+    UINT                    uFlags;         // Buffer description flags
+} D3D12_SHADER_BUFFER_DESC;
+
+typedef struct _D3D12_SHADER_VARIABLE_DESC
+{
+    LPCSTR                  Name;           // Name of the variable
+    UINT                    StartOffset;    // Offset in constant buffer's backing store
+    UINT                    Size;           // Size of variable (in bytes)
+    UINT                    uFlags;         // Variable flags
+    LPVOID                  DefaultValue;   // Raw pointer to default value
+    UINT                    StartTexture;   // First texture index (or -1 if no textures used)
+    UINT                    TextureSize;    // Number of texture slots possibly used.
+    UINT                    StartSampler;   // First sampler index (or -1 if no textures used)
+    UINT                    SamplerSize;    // Number of sampler slots possibly used.
+} D3D12_SHADER_VARIABLE_DESC;
+
+typedef struct _D3D12_SHADER_TYPE_DESC
+{
+    D3D_SHADER_VARIABLE_CLASS   Class;          // Variable class (e.g. object, matrix, etc.)
+    D3D_SHADER_VARIABLE_TYPE    Type;           // Variable type (e.g. float, sampler, etc.)
+    UINT                        Rows;           // Number of rows (for matrices, 1 for other numeric, 0 if not applicable)
+    UINT                        Columns;        // Number of columns (for vectors & matrices, 1 for other numeric, 0 if not applicable)
+    UINT                        Elements;       // Number of elements (0 if not an array)
+    UINT                        Members;        // Number of members (0 if not a structure)
+    UINT                        Offset;         // Offset from the start of structure (0 if not a structure member)
+    LPCSTR                      Name;           // Name of type, can be NULL
+} D3D12_SHADER_TYPE_DESC;
+
+typedef D3D_TESSELLATOR_DOMAIN D3D12_TESSELLATOR_DOMAIN;
+
+typedef D3D_TESSELLATOR_PARTITIONING D3D12_TESSELLATOR_PARTITIONING;
+
+typedef D3D_TESSELLATOR_OUTPUT_PRIMITIVE D3D12_TESSELLATOR_OUTPUT_PRIMITIVE;
+
+typedef struct _D3D12_SHADER_DESC
+{
+    UINT                    Version;                     // Shader version
+    LPCSTR                  Creator;                     // Creator string
+    UINT                    Flags;                       // Shader compilation/parse flags
+    
+    UINT                    ConstantBuffers;             // Number of constant buffers
+    UINT                    BoundResources;              // Number of bound resources
+    UINT                    InputParameters;             // Number of parameters in the input signature
+    UINT                    OutputParameters;            // Number of parameters in the output signature
+
+    UINT                    InstructionCount;            // Number of emitted instructions
+    UINT                    TempRegisterCount;           // Number of temporary registers used 
+    UINT                    TempArrayCount;              // Number of temporary arrays used
+    UINT                    DefCount;                    // Number of constant defines 
+    UINT                    DclCount;                    // Number of declarations (input + output)
+    UINT                    TextureNormalInstructions;   // Number of non-categorized texture instructions
+    UINT                    TextureLoadInstructions;     // Number of texture load instructions
+    UINT                    TextureCompInstructions;     // Number of texture comparison instructions
+    UINT                    TextureBiasInstructions;     // Number of texture bias instructions
+    UINT                    TextureGradientInstructions; // Number of texture gradient instructions
+    UINT                    FloatInstructionCount;       // Number of floating point arithmetic instructions used
+    UINT                    IntInstructionCount;         // Number of signed integer arithmetic instructions used
+    UINT                    UintInstructionCount;        // Number of unsigned integer arithmetic instructions used
+    UINT                    StaticFlowControlCount;      // Number of static flow control instructions used
+    UINT                    DynamicFlowControlCount;     // Number of dynamic flow control instructions used
+    UINT                    MacroInstructionCount;       // Number of macro instructions used
+    UINT                    ArrayInstructionCount;       // Number of array instructions used
+    UINT                    CutInstructionCount;         // Number of cut instructions used
+    UINT                    EmitInstructionCount;        // Number of emit instructions used
+    D3D_PRIMITIVE_TOPOLOGY  GSOutputTopology;            // Geometry shader output topology
+    UINT                    GSMaxOutputVertexCount;      // Geometry shader maximum output vertex count
+    D3D_PRIMITIVE           InputPrimitive;              // GS/HS input primitive
+    UINT                    PatchConstantParameters;     // Number of parameters in the patch constant signature
+    UINT                    cGSInstanceCount;            // Number of Geometry shader instances
+    UINT                    cControlPoints;              // Number of control points in the HS->DS stage
+    D3D_TESSELLATOR_OUTPUT_PRIMITIVE HSOutputPrimitive;  // Primitive output by the tessellator
+    D3D_TESSELLATOR_PARTITIONING HSPartitioning;         // Partitioning mode of the tessellator
+    D3D_TESSELLATOR_DOMAIN  TessellatorDomain;           // Domain of the tessellator (quad, tri, isoline)
+    // instruction counts
+    UINT cBarrierInstructions;                           // Number of barrier instructions in a compute shader
+    UINT cInterlockedInstructions;                       // Number of interlocked instructions
+    UINT cTextureStoreInstructions;                      // Number of texture writes
+} D3D12_SHADER_DESC;
+
+typedef struct _D3D12_SHADER_INPUT_BIND_DESC
+{
+    LPCSTR                      Name;           // Name of the resource
+    D3D_SHADER_INPUT_TYPE       Type;           // Type of resource (e.g. texture, cbuffer, etc.)
+    UINT                        BindPoint;      // Starting bind point
+    UINT                        BindCount;      // Number of contiguous bind points (for arrays)
+
+    UINT                        uFlags;         // Input binding flags
+    D3D_RESOURCE_RETURN_TYPE    ReturnType;     // Return type (if texture)
+    D3D_SRV_DIMENSION           Dimension;      // Dimension (if texture)
+    UINT                        NumSamples;     // Number of samples (0 if not MS texture)
+    UINT                        Space;          // Register space
+    UINT uID;                                   // Range ID in the bytecode
+} D3D12_SHADER_INPUT_BIND_DESC;
+
+#define D3D_SHADER_REQUIRES_DOUBLES                                                         0x00000001
+#define D3D_SHADER_REQUIRES_EARLY_DEPTH_STENCIL                                             0x00000002
+#define D3D_SHADER_REQUIRES_UAVS_AT_EVERY_STAGE                                             0x00000004
+#define D3D_SHADER_REQUIRES_64_UAVS                                                         0x00000008
+#define D3D_SHADER_REQUIRES_MINIMUM_PRECISION                                               0x00000010
+#define D3D_SHADER_REQUIRES_11_1_DOUBLE_EXTENSIONS                                          0x00000020
+#define D3D_SHADER_REQUIRES_11_1_SHADER_EXTENSIONS                                          0x00000040
+#define D3D_SHADER_REQUIRES_LEVEL_9_COMPARISON_FILTERING                                    0x00000080
+#define D3D_SHADER_REQUIRES_TILED_RESOURCES                                                 0x00000100
+#define D3D_SHADER_REQUIRES_STENCIL_REF                                                     0x00000200
+#define D3D_SHADER_REQUIRES_INNER_COVERAGE                                                  0x00000400
+#define D3D_SHADER_REQUIRES_TYPED_UAV_LOAD_ADDITIONAL_FORMATS                               0x00000800
+#define D3D_SHADER_REQUIRES_ROVS                                                            0x00001000
+#define D3D_SHADER_REQUIRES_VIEWPORT_AND_RT_ARRAY_INDEX_FROM_ANY_SHADER_FEEDING_RASTERIZER  0x00002000
+#define D3D_SHADER_REQUIRES_WAVE_OPS                                                        0x00004000
+#define D3D_SHADER_REQUIRES_INT64_OPS                                                       0x00008000
+#define D3D_SHADER_REQUIRES_VIEW_ID                                                         0x00010000
+#define D3D_SHADER_REQUIRES_BARYCENTRICS                                                    0x00020000
+#define D3D_SHADER_REQUIRES_NATIVE_16BIT_OPS                                                0x00040000
+#define D3D_SHADER_REQUIRES_SHADING_RATE                                                    0x00080000
+#define D3D_SHADER_REQUIRES_RAYTRACING_TIER_1_1                                             0x00100000
+#define D3D_SHADER_REQUIRES_SAMPLER_FEEDBACK                                                0x00200000
+#define D3D_SHADER_REQUIRES_ATOMIC_INT64_ON_TYPED_RESOURCE                                  0x00400000
+#define D3D_SHADER_REQUIRES_ATOMIC_INT64_ON_GROUP_SHARED                                    0x00800000
+#define D3D_SHADER_REQUIRES_DERIVATIVES_IN_MESH_AND_AMPLIFICATION_SHADERS                   0x01000000
+#define D3D_SHADER_REQUIRES_RESOURCE_DESCRIPTOR_HEAP_INDEXING                               0x02000000
+#define D3D_SHADER_REQUIRES_SAMPLER_DESCRIPTOR_HEAP_INDEXING                                0x04000000
+#define D3D_SHADER_REQUIRES_WAVE_MMA                                                        0x08000000
+#define D3D_SHADER_REQUIRES_ATOMIC_INT64_ON_DESCRIPTOR_HEAP_RESOURCE                        0x10000000
+
+typedef struct _D3D12_LIBRARY_DESC
+{
+    LPCSTR    Creator;           // The name of the originator of the library.
+    UINT      Flags;             // Compilation flags.
+    UINT      FunctionCount;     // Number of functions exported from the library.
+} D3D12_LIBRARY_DESC;
+
+typedef struct _D3D12_FUNCTION_DESC
+{
+    UINT                    Version;                     // Shader version
+    LPCSTR                  Creator;                     // Creator string
+    UINT                    Flags;                       // Shader compilation/parse flags
+    
+    UINT                    ConstantBuffers;             // Number of constant buffers
+    UINT                    BoundResources;              // Number of bound resources
+
+    UINT                    InstructionCount;            // Number of emitted instructions
+    UINT                    TempRegisterCount;           // Number of temporary registers used 
+    UINT                    TempArrayCount;              // Number of temporary arrays used
+    UINT                    DefCount;                    // Number of constant defines 
+    UINT                    DclCount;                    // Number of declarations (input + output)
+    UINT                    TextureNormalInstructions;   // Number of non-categorized texture instructions
+    UINT                    TextureLoadInstructions;     // Number of texture load instructions
+    UINT                    TextureCompInstructions;     // Number of texture comparison instructions
+    UINT                    TextureBiasInstructions;     // Number of texture bias instructions
+    UINT                    TextureGradientInstructions; // Number of texture gradient instructions
+    UINT                    FloatInstructionCount;       // Number of floating point arithmetic instructions used
+    UINT                    IntInstructionCount;         // Number of signed integer arithmetic instructions used
+    UINT                    UintInstructionCount;        // Number of unsigned integer arithmetic instructions used
+    UINT                    StaticFlowControlCount;      // Number of static flow control instructions used
+    UINT                    DynamicFlowControlCount;     // Number of dynamic flow control instructions used
+    UINT                    MacroInstructionCount;       // Number of macro instructions used
+    UINT                    ArrayInstructionCount;       // Number of array instructions used
+    UINT                    MovInstructionCount;         // Number of mov instructions used
+    UINT                    MovcInstructionCount;        // Number of movc instructions used
+    UINT                    ConversionInstructionCount;  // Number of type conversion instructions used
+    UINT                    BitwiseInstructionCount;     // Number of bitwise arithmetic instructions used
+    D3D_FEATURE_LEVEL       MinFeatureLevel;             // Min target of the function byte code
+    UINT64                  RequiredFeatureFlags;        // Required feature flags
+
+    LPCSTR                  Name;                        // Function name
+    INT                     FunctionParameterCount;      // Number of logical parameters in the function signature (not including return)
+    BOOL                    HasReturn;                   // TRUE, if function returns a value, false - it is a subroutine
+    BOOL                    Has10Level9VertexShader;     // TRUE, if there is a 10L9 VS blob
+    BOOL                    Has10Level9PixelShader;      // TRUE, if there is a 10L9 PS blob
+} D3D12_FUNCTION_DESC;
+
+typedef struct _D3D12_PARAMETER_DESC
+{
+    LPCSTR                      Name;               // Parameter name.
+    LPCSTR                      SemanticName;       // Parameter semantic name (+index).
+    D3D_SHADER_VARIABLE_TYPE    Type;               // Element type.
+    D3D_SHADER_VARIABLE_CLASS   Class;              // Scalar/Vector/Matrix.
+    UINT                        Rows;               // Rows are for matrix parameters.
+    UINT                        Columns;            // Components or Columns in matrix.
+    D3D_INTERPOLATION_MODE      InterpolationMode;  // Interpolation mode.
+    D3D_PARAMETER_FLAGS         Flags;              // Parameter modifiers.
+
+    UINT                        FirstInRegister;    // The first input register for this parameter.
+    UINT                        FirstInComponent;   // The first input register component for this parameter.
+    UINT                        FirstOutRegister;   // The first output register for this parameter.
+    UINT                        FirstOutComponent;  // The first output register component for this parameter.
+} D3D12_PARAMETER_DESC;
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Interfaces ////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+typedef interface ID3D12ShaderReflectionType ID3D12ShaderReflectionType;
+typedef interface ID3D12ShaderReflectionType *LPD3D12SHADERREFLECTIONTYPE;
+
+typedef interface ID3D12ShaderReflectionVariable ID3D12ShaderReflectionVariable;
+typedef interface ID3D12ShaderReflectionVariable *LPD3D12SHADERREFLECTIONVARIABLE;
+
+typedef interface ID3D12ShaderReflectionConstantBuffer ID3D12ShaderReflectionConstantBuffer;
+typedef interface ID3D12ShaderReflectionConstantBuffer *LPD3D12SHADERREFLECTIONCONSTANTBUFFER;
+
+typedef interface ID3D12ShaderReflection ID3D12ShaderReflection;
+typedef interface ID3D12ShaderReflection *LPD3D12SHADERREFLECTION;
+
+typedef interface ID3D12LibraryReflection ID3D12LibraryReflection;
+typedef interface ID3D12LibraryReflection *LPD3D12LIBRARYREFLECTION;
+
+typedef interface ID3D12FunctionReflection ID3D12FunctionReflection;
+typedef interface ID3D12FunctionReflection *LPD3D12FUNCTIONREFLECTION;
+
+typedef interface ID3D12FunctionParameterReflection ID3D12FunctionParameterReflection;
+typedef interface ID3D12FunctionParameterReflection *LPD3D12FUNCTIONPARAMETERREFLECTION;
+
+
+// {E913C351-783D-48CA-A1D1-4F306284AD56}
+interface DECLSPEC_UUID("E913C351-783D-48CA-A1D1-4F306284AD56") ID3D12ShaderReflectionType;
+DEFINE_GUID(IID_ID3D12ShaderReflectionType, 
+0xe913c351, 0x783d, 0x48ca, 0xa1, 0xd1, 0x4f, 0x30, 0x62, 0x84, 0xad, 0x56);
+
+#undef INTERFACE
+#define INTERFACE ID3D12ShaderReflectionType
+
+DECLARE_INTERFACE(ID3D12ShaderReflectionType)
+{
+    STDMETHOD(GetDesc)(THIS_ _Out_ D3D12_SHADER_TYPE_DESC *pDesc) PURE;
+    
+    STDMETHOD_(ID3D12ShaderReflectionType*, GetMemberTypeByIndex)(THIS_ _In_ UINT Index) PURE;
+    STDMETHOD_(ID3D12ShaderReflectionType*, GetMemberTypeByName)(THIS_ _In_ LPCSTR Name) PURE;
+    STDMETHOD_(LPCSTR, GetMemberTypeName)(THIS_ _In_ UINT Index) PURE;
+
+    STDMETHOD(IsEqual)(THIS_ _In_ ID3D12ShaderReflectionType* pType) PURE;
+    STDMETHOD_(ID3D12ShaderReflectionType*, GetSubType)(THIS) PURE;
+    STDMETHOD_(ID3D12ShaderReflectionType*, GetBaseClass)(THIS) PURE;
+    STDMETHOD_(UINT, GetNumInterfaces)(THIS) PURE;
+    STDMETHOD_(ID3D12ShaderReflectionType*, GetInterfaceByIndex)(THIS_ _In_ UINT uIndex) PURE;
+    STDMETHOD(IsOfType)(THIS_ _In_ ID3D12ShaderReflectionType* pType) PURE;
+    STDMETHOD(ImplementsInterface)(THIS_ _In_ ID3D12ShaderReflectionType* pBase) PURE;
+};
+
+// {8337A8A6-A216-444A-B2F4-314733A73AEA}
+interface DECLSPEC_UUID("8337A8A6-A216-444A-B2F4-314733A73AEA") ID3D12ShaderReflectionVariable;
+DEFINE_GUID(IID_ID3D12ShaderReflectionVariable, 
+0x8337a8a6, 0xa216, 0x444a, 0xb2, 0xf4, 0x31, 0x47, 0x33, 0xa7, 0x3a, 0xea);
+
+#undef INTERFACE
+#define INTERFACE ID3D12ShaderReflectionVariable
+
+DECLARE_INTERFACE(ID3D12ShaderReflectionVariable)
+{
+    STDMETHOD(GetDesc)(THIS_ _Out_ D3D12_SHADER_VARIABLE_DESC *pDesc) PURE;
+    
+    STDMETHOD_(ID3D12ShaderReflectionType*, GetType)(THIS) PURE;
+    STDMETHOD_(ID3D12ShaderReflectionConstantBuffer*, GetBuffer)(THIS) PURE;
+
+    STDMETHOD_(UINT, GetInterfaceSlot)(THIS_ _In_ UINT uArrayIndex) PURE;
+};
+
+// {C59598B4-48B3-4869-B9B1-B1618B14A8B7}
+interface DECLSPEC_UUID("C59598B4-48B3-4869-B9B1-B1618B14A8B7") ID3D12ShaderReflectionConstantBuffer;
+DEFINE_GUID(IID_ID3D12ShaderReflectionConstantBuffer, 
+0xc59598b4, 0x48b3, 0x4869, 0xb9, 0xb1, 0xb1, 0x61, 0x8b, 0x14, 0xa8, 0xb7);
+
+#undef INTERFACE
+#define INTERFACE ID3D12ShaderReflectionConstantBuffer
+
+DECLARE_INTERFACE(ID3D12ShaderReflectionConstantBuffer)
+{
+    STDMETHOD(GetDesc)(THIS_ D3D12_SHADER_BUFFER_DESC *pDesc) PURE;
+    
+    STDMETHOD_(ID3D12ShaderReflectionVariable*, GetVariableByIndex)(THIS_ _In_ UINT Index) PURE;
+    STDMETHOD_(ID3D12ShaderReflectionVariable*, GetVariableByName)(THIS_ _In_ LPCSTR Name) PURE;
+};
+
+// The ID3D12ShaderReflection IID may change from SDK version to SDK version
+// if the reflection API changes.  This prevents new code with the new API
+// from working with an old binary.  Recompiling with the new header
+// will pick up the new IID.
+
+// {5A58797D-A72C-478D-8BA2-EFC6B0EFE88E}
+interface DECLSPEC_UUID("5A58797D-A72C-478D-8BA2-EFC6B0EFE88E") ID3D12ShaderReflection;
+DEFINE_GUID(IID_ID3D12ShaderReflection, 
+0x5a58797d, 0xa72c, 0x478d, 0x8b, 0xa2, 0xef, 0xc6, 0xb0, 0xef, 0xe8, 0x8e);
+
+#undef INTERFACE
+#define INTERFACE ID3D12ShaderReflection
+
+DECLARE_INTERFACE_(ID3D12ShaderReflection, IUnknown)
+{
+    STDMETHOD(QueryInterface)(THIS_ _In_ REFIID iid,
+                              _Out_ LPVOID *ppv) PURE;
+    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
+    STDMETHOD_(ULONG, Release)(THIS) PURE;
+
+    STDMETHOD(GetDesc)(THIS_ _Out_ D3D12_SHADER_DESC *pDesc) PURE;
+    
+    STDMETHOD_(ID3D12ShaderReflectionConstantBuffer*, GetConstantBufferByIndex)(THIS_ _In_ UINT Index) PURE;
+    STDMETHOD_(ID3D12ShaderReflectionConstantBuffer*, GetConstantBufferByName)(THIS_ _In_ LPCSTR Name) PURE;
+    
+    STDMETHOD(GetResourceBindingDesc)(THIS_ _In_ UINT ResourceIndex,
+                                      _Out_ D3D12_SHADER_INPUT_BIND_DESC *pDesc) PURE;
+    
+    STDMETHOD(GetInputParameterDesc)(THIS_ _In_ UINT ParameterIndex,
+                                     _Out_ D3D12_SIGNATURE_PARAMETER_DESC *pDesc) PURE;
+    STDMETHOD(GetOutputParameterDesc)(THIS_ _In_ UINT ParameterIndex,
+                                      _Out_ D3D12_SIGNATURE_PARAMETER_DESC *pDesc) PURE;
+    STDMETHOD(GetPatchConstantParameterDesc)(THIS_ _In_ UINT ParameterIndex,
+                                             _Out_ D3D12_SIGNATURE_PARAMETER_DESC *pDesc) PURE;
+
+    STDMETHOD_(ID3D12ShaderReflectionVariable*, GetVariableByName)(THIS_ _In_ LPCSTR Name) PURE;
+
+    STDMETHOD(GetResourceBindingDescByName)(THIS_ _In_ LPCSTR Name,
+                                            _Out_ D3D12_SHADER_INPUT_BIND_DESC *pDesc) PURE;
+
+    STDMETHOD_(UINT, GetMovInstructionCount)(THIS) PURE;
+    STDMETHOD_(UINT, GetMovcInstructionCount)(THIS) PURE;
+    STDMETHOD_(UINT, GetConversionInstructionCount)(THIS) PURE;
+    STDMETHOD_(UINT, GetBitwiseInstructionCount)(THIS) PURE;
+    
+    STDMETHOD_(D3D_PRIMITIVE, GetGSInputPrimitive)(THIS) PURE;
+    STDMETHOD_(BOOL, IsSampleFrequencyShader)(THIS) PURE;
+
+    STDMETHOD_(UINT, GetNumInterfaceSlots)(THIS) PURE;
+    STDMETHOD(GetMinFeatureLevel)(THIS_ _Out_ enum D3D_FEATURE_LEVEL* pLevel) PURE;
+
+    STDMETHOD_(UINT, GetThreadGroupSize)(THIS_
+                                         _Out_opt_ UINT* pSizeX,
+                                         _Out_opt_ UINT* pSizeY,
+                                         _Out_opt_ UINT* pSizeZ) PURE;
+
+    STDMETHOD_(UINT64, GetRequiresFlags)(THIS) PURE;
+};
+
+// {8E349D19-54DB-4A56-9DC9-119D87BDB804}
+interface DECLSPEC_UUID("8E349D19-54DB-4A56-9DC9-119D87BDB804") ID3D12LibraryReflection;
+DEFINE_GUID(IID_ID3D12LibraryReflection, 
+0x8e349d19, 0x54db, 0x4a56, 0x9d, 0xc9, 0x11, 0x9d, 0x87, 0xbd, 0xb8, 0x4);
+
+#undef INTERFACE
+#define INTERFACE ID3D12LibraryReflection
+
+DECLARE_INTERFACE_(ID3D12LibraryReflection, IUnknown)
+{
+    STDMETHOD(QueryInterface)(THIS_ _In_ REFIID iid, _Out_ LPVOID * ppv) PURE;
+    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
+    STDMETHOD_(ULONG, Release)(THIS) PURE;
+
+    STDMETHOD(GetDesc)(THIS_ _Out_ D3D12_LIBRARY_DESC * pDesc) PURE;
+    
+    STDMETHOD_(ID3D12FunctionReflection *, GetFunctionByIndex)(THIS_ _In_ INT FunctionIndex) PURE;
+};
+
+// {1108795C-2772-4BA9-B2A8-D464DC7E2799}
+interface DECLSPEC_UUID("1108795C-2772-4BA9-B2A8-D464DC7E2799") ID3D12FunctionReflection;
+DEFINE_GUID(IID_ID3D12FunctionReflection, 
+0x1108795c, 0x2772, 0x4ba9, 0xb2, 0xa8, 0xd4, 0x64, 0xdc, 0x7e, 0x27, 0x99);
+
+#undef INTERFACE
+#define INTERFACE ID3D12FunctionReflection
+
+DECLARE_INTERFACE(ID3D12FunctionReflection)
+{
+    STDMETHOD(GetDesc)(THIS_ _Out_ D3D12_FUNCTION_DESC * pDesc) PURE;
+    
+    STDMETHOD_(ID3D12ShaderReflectionConstantBuffer *, GetConstantBufferByIndex)(THIS_ _In_ UINT BufferIndex) PURE;
+    STDMETHOD_(ID3D12ShaderReflectionConstantBuffer *, GetConstantBufferByName)(THIS_ _In_ LPCSTR Name) PURE;
+    
+    STDMETHOD(GetResourceBindingDesc)(THIS_ _In_ UINT ResourceIndex,
+                                      _Out_ D3D12_SHADER_INPUT_BIND_DESC * pDesc) PURE;
+    
+    STDMETHOD_(ID3D12ShaderReflectionVariable *, GetVariableByName)(THIS_ _In_ LPCSTR Name) PURE;
+
+    STDMETHOD(GetResourceBindingDescByName)(THIS_ _In_ LPCSTR Name,
+                                            _Out_ D3D12_SHADER_INPUT_BIND_DESC * pDesc) PURE;
+
+    // Use D3D_RETURN_PARAMETER_INDEX to get description of the return value.
+    STDMETHOD_(ID3D12FunctionParameterReflection *, GetFunctionParameter)(THIS_ _In_ INT ParameterIndex) PURE;
+};
+
+// {EC25F42D-7006-4F2B-B33E-02CC3375733F}
+interface DECLSPEC_UUID("EC25F42D-7006-4F2B-B33E-02CC3375733F") ID3D12FunctionParameterReflection;
+DEFINE_GUID(IID_ID3D12FunctionParameterReflection, 
+0xec25f42d, 0x7006, 0x4f2b, 0xb3, 0x3e, 0x2, 0xcc, 0x33, 0x75, 0x73, 0x3f);
+
+#undef INTERFACE
+#define INTERFACE ID3D12FunctionParameterReflection
+
+DECLARE_INTERFACE(ID3D12FunctionParameterReflection)
+{
+    STDMETHOD(GetDesc)(THIS_ _Out_ D3D12_PARAMETER_DESC * pDesc) PURE;
+};
+
+
+//////////////////////////////////////////////////////////////////////////////
+// APIs //////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+#ifdef __cplusplus
+extern "C" {
+#endif //__cplusplus
+
+#ifdef __cplusplus
+}
+#endif //__cplusplus
+    
+#endif //__D3D12SHADER_H__
+