D3DXSEMANTIC structure
Semantics map a parameter to vertex or pixel shader registers. They can also be optional descriptive strings attached to non-register parameters.
Syntax
typedef struct D3DXSEMANTIC {
UINT Usage;
UINT UsageIndex;
} D3DXSEMANTIC, *LPD3DXSEMANTIC;
Members
-
Usage
-
Type: UINT
-
Options that identify how resources are used. See D3DDECLUSAGE.
-
UsageIndex
-
Type: UINT
-
Options that modify how the usage is interpreted. The usage and usage index make up a vertex declaration. See Vertex Declaration (Direct3D 9).
Remarks
Semantics are required for vertex and pixel shader, input and output registers.
Requirements
| Requirement | Value |
|---|---|
| Header |
|
See also