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BaseInstance(3)

Name

BaseInstance - First instance being rendered

Description

BaseInstance

Decorating a variable with the BaseInstance built-in will make that variable contain the integer value corresponding to the first instance that was passed to the command that invoked the current vertex shader invocation. BaseInstance is the firstInstance parameter to a direct drawing command or the firstInstance member of a structure consumed by an indirect drawing command.

Valid Usage

  • VUID-BaseInstance-BaseInstance-04181
    The BaseInstance decoration must be used only within the Vertex Execution Model

  • VUID-BaseInstance-BaseInstance-04182
    The variable decorated with BaseInstance must be declared using the Input Storage Class

  • VUID-BaseInstance-BaseInstance-04183
    The variable decorated with BaseInstance must be declared as a scalar 32-bit integer value

See Also

No cross-references are available

Document Notes

For more information, see the Vulkan Specification (NOTE: cannot determine Specification page containing this refpage).

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

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