D3DDDIARG_DRAWPRIMITIVE2 - NtDoc
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// d3dumddi.h
typedef struct _D3DDDIARG_DRAWPRIMITIVE2 {
[in] D3DPRIMITIVETYPE PrimitiveType;
[in] UINT FirstVertexOffset;
[in] UINT PrimitiveCount;
} D3DDDIARG_DRAWPRIMITIVE2;
View the official Windows Driver Kit DDI referenceNo description available.
The D3DDDIARG_DRAWPRIMITIVE2 structure describes a nonindexed primitive to draw.
PrimitiveType [in]A D3DPRIMITIVETYPE-typed value that indicates the type of primitive to draw. This member can be one of the following values: D3DPT_POINTLIST, D3DPT_LINELIST, D3DPT_LINESTRIP, D3DPT_TRIANGLELIST, D3DPT_TRIANGLESTRIP, or D3DPT_TRIANGLEFAN. For more information about D3DPRIMITIVETYPE, see the Microsoft Windows SDK documentation.
FirstVertexOffset [in]The offset, in bytes, in stream zero of the vertex data. This member differs from the VStart member of the D3DDDIARG_DRAWPRIMITIVE structure that is used with the DrawPrimitive function. In VStart, the start of the vertex data in the vertex stream is specified by a vertex index rather than an actual byte offset.
PrimitiveCount [in]The number of triangles, lines, or points to draw for the given primitive.
The Microsoft Direct3D runtime transforms the vertex data before passing a pointer to the description of the vertex data in the pData parameter in a call to the user-mode display driver's DrawPrimitive2 function.