Note
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Indicates whether the vertex buffer changes infrequently or frequently.
Syntax
typedef enum D2D1_VERTEX_USAGE {
D2D1_VERTEX_USAGE_STATIC = 0,
D2D1_VERTEX_USAGE_DYNAMIC = 1,
D2D1_VERTEX_USAGE_FORCE_DWORD = 0xffffffff
} ;
Constants
D2D1_VERTEX_USAGE_STATICValue: 0 The created vertex buffer is updated infrequently. |
D2D1_VERTEX_USAGE_DYNAMICValue: 1 The created vertex buffer is changed frequently. |
D2D1_VERTEX_USAGE_FORCE_DWORDValue: 0xffffffff |
Remarks
If a dynamic vertex buffer is created, Direct2D will not necessarily map the buffer directly to a Direct3D vertex buffer. Instead, a system memory copy can be copied to the rendering engine vertex buffer as the effects are rendered.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 and Platform Update for Windows 7 [desktop apps | UWP apps] |
| Minimum supported server | Windows Server 2012 and Platform Update for Windows Server 2008 R2 [desktop apps | UWP apps] |
| Header | d2d1effectauthor.h |