D3DXMESHOPT enumeration

Specifies the type of mesh optimization to be performed.

Syntax

enum _D3DXMESHOPT {
  D3DXMESHOPT_COMPACT            = 0x01000000, 
  D3DXMESHOPT_ATTRSORT           = 0x02000000, 
  D3DXMESHOPT_VERTEXCACHE        = 0x04000000, 
  D3DXMESHOPT_STRIPREORDER       = 0x08000000, 
  D3DXMESHOPT_IGNOREVERTS        = 0x10000000, 
  D3DXMESHOPT_DONOTSPLIT         = 0x20000000, 
  D3DXMESHOPT_DEVICEINDEPENDENT  = 0x40000000 

};

Constants

D3DXMESHOPT_COMPACT

Reorders faces to remove unused vertices and faces.

D3DXMESHOPT_ATTRSORT

Reorders faces to optimize for fewer attribute bundle state changes and enhanced ID3DXBaseMesh::DrawSubset performance.

D3DXMESHOPT_VERTEXCACHE

Reorders faces to increase the cache hit rate of vertex caches.

D3DXMESHOPT_STRIPREORDER

Reorders faces to maximize length of adjacent triangles.

D3DXMESHOPT_IGNOREVERTS

Optimize the faces only; do not optimize the vertices.

D3DXMESHOPT_DONOTSPLIT

While attribute sorting, do not split vertices that are shared between attribute groups.

D3DXMESHOPT_DEVICEINDEPENDENT

Affects the vertex cache size. Using this flag specifies a default vertex cache size that works well on legacy hardware.

Remarks

The D3DXMESHOPT_STRIPREORDER and D3DXMESHOPT_VERTEXCACHE optimization flags are mutually exclusive.

The D3DXMESHOPT_SHAREVB flag has been removed from this enumeration. Use D3DXMESH_VB_SHARE instead, in D3DXMESH.

Requirements

Requirement	Value
Header	D3dx9mesh.h

See also

D3DX Enumerations