Name Strings

SPV_INTEL_io_pipes

Contact

To report problems with this extension, please open a new issue at:

https://github.com/KhronosGroup/SPIRV-Registry

Contributors

  • Joe Garvey, Intel

  • Dmitry Sidorov, Intel

Notice

Copyright (c) 2020 Intel Corporation. All rights reserved.

Status

Draft

Version

Last Modified Date

2020-02-25

Revision

1

Dependencies

This extension is written against the SPIR-V Specification, Version 1.5 Revision 2.

This extension requires SPIR-V 1.0.

Overview

This extension adds a decoration to identify pipes that correspond to hardware peripherals. This can be a useful programming model for any target which may directly interact with I/O.

Extension Name

To use this extension within a SPIR-V module, the following OpExtension must be present in the module:

OpExtension "SPV_INTEL_io_pipes"

New Capabilities

This extension introduces a new capability:

IOPipesINTEL

New Decorations

Decorations added under the IOPipesINTEL capability:

IOPipeStorageINTEL

Token Number Assignments

IOPipesINTEL

5943

IOPipeStorageINTEL

5944

Modifications to the SPIR-V Specification, Version 1.5

Decoration

Modify Section 3.20, Decoration, adding these rows to the Decoration table:

Decoration Extra Operands Enabling Capabilities

5944

IOPipeStorageINTEL
Apply to a pipe-storage object created from OpConstantPipeStorage. Indicates that the pipe storage object provides access to a hardware peripheral identified by the specified ID.

Literal Number
IO Pipe ID

IOPipesINTEL

Capability

Modify Section 3.31, Capability, adding a row to the Capability table:

Capability Implicitly Declares

5943

IOPipesINTEL

Validation Rules

None.

Issues

None.

Revision History

Rev Date Author Changes

1

2020-02-25

Joe Garvey

Initial public release