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UMDETW_ALLOCATION_SEMANTIC enumeration (umdprovider.h)

  • Article

Indicates what a memory allocation is used for if the allocation is internal to the user-mode driver.

Syntax

typedef enum _UMDETW_ALLOCATION_SEMANTIC {
  UMDETW_ALLOCATION_SEMANTIC_NONE,
  UMDETW_ALLOCATION_SEMANTIC_DMA_BUFFER,
  UMDETW_ALLOCATION_SEMANTIC_UPLOAD_STAGING,
  UMDETW_ALLOCATION_SEMANTIC_DOWNLOAD_STAGING,
  UMDETW_ALLOCATION_SEMANTIC_CONTEXT_SAVE,
  UMDETW_ALLOCATION_SEMANTIC_DRIVER_OTHER_MIN,
  UMDETW_ALLOCATION_SEMANTIC_DRIVER_OTHER_MAX
} UMDETW_ALLOCATION_SEMANTIC;

Constants

 
UMDETW_ALLOCATION_SEMANTIC_NONE
The allocation is created for a Direct3D resource.
UMDETW_ALLOCATION_SEMANTIC_DMA_BUFFER
The allocation is used as a DMA buffer.
UMDETW_ALLOCATION_SEMANTIC_UPLOAD_STAGING
The allocation is used as a staging allocation to upload and download data to and from video memory.
UMDETW_ALLOCATION_SEMANTIC_DOWNLOAD_STAGING
The allocation is used exclusively as a staging allocation to download data from video memory.
UMDETW_ALLOCATION_SEMANTIC_CONTEXT_SAVE
The allocation is used as a GPU context save area.
UMDETW_ALLOCATION_SEMANTIC_DRIVER_OTHER_MIN
The driver can use this semantic value for its own internal purposes.
UMDETW_ALLOCATION_SEMANTIC_DRIVER_OTHER_MAX
The driver can use this semantic value for its own internal purposes.

Requirements

Requirement Value
Minimum supported client Windows 8
Minimum supported server Windows Server 2012
Header umdprovider.h (include Umdprovider.h)

See also

UMDEtwLogMapAllocation

UMDEtwLogUnmapAllocation