Name Strings
SPV_KHR_multiview
Contact
To report problems with this extension, please open a new issue at:
Contributors
-
Ashwin Kolhe, NVIDIA
Status
-
Complete
-
Approved by the SPIR Working group: 2017-01-11
-
Approved by the Khronos Board of Promoters: 2017-02-24
Version
Last Modified Date |
2016-12-12 |
Revision |
1 |
Dependencies
This extension is written against the SPIR-V Specification, Version 1.1 Revision 4.
This extension requires SPIR-V 1.0.
Overview
This extension adds a new capability to support the Vulkan VK_KHX_multiview extension in SPIR-V.
The new MultiView capability allows the ViewIndex builtin variable to be exported from all shaders stages except compute, which represents the index of view currently being rendered to.
Extension Name
To use this extension within a SPIR-V module, the following OpExtension must be present in the module:
OpExtension "SPV_KHR_multiview"
New Capabilities
This extension introduces a new capability:
MultiView
New Builtins
A new builtin is added as an input for all shader stages except compute.
ViewIndex
Input view index of the view currently being rendered to.
New Instructions
None.
Token Number Assignments
MultiView |
4439 |
ViewIndex |
4440 |
- (Modify Section 3.21, BuiltIn)
-
(add a new row to the Builtin table)
BuiltIn Enabling Capabilities 4440
ViewIndex
Input view index of the view currently being rendered to. See VK_KHX_multiview for more details.MultiView
- (Modify Section 3.31, Capability, adding new row to the Capability table)
-
Capability Depends On Enabled by Extension 4439
MultiView
Shader
SPV_KHR_multiview
Validation Rules
An OpExtension must be added to the SPIR-V for validation layers to check legal use of this extension:
OpExtension "SPV_KHR_multiview"
Issues
None yet.
Revision History
| Rev | Date | Author | Changes |
|---|---|---|---|
1 |
2016-12-12 |
Ashwin Kolhe |
Initial draft |