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Returns the type of I/O bus used to send data to the GPU.
| Requirement | Value |
|---|---|
| Query GUID | D3DAUTHENTICATEDQUERY_ACCESSIBILITYATTRIBUTES |
| Input data | D3DAUTHENTICATEDCHANNEL_QUERY_INPUT |
| Return data | D3DAUTHENTICATEDCHANNEL_QUERYINFOBUSTYPE_OUTPUT |
Remarks
This query also returns information about how accessible the content is when put into video memory.
The following channel types support this query:
- D3DAUTHENTICATEDCHANNEL_DRIVER_HARDWARE
- D3DAUTHENTICATEDCHANNEL_DRIVER_SOFTWARE
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 7 [desktop apps only] |
| Minimum supported server |
Windows Server 2008 R2 [desktop apps only] |
| Header |
|
See also