Vulkan.Extensions.VK_KHR_multiview

Name

VK_KHR_multiview - device extension

VK_KHR_multiview

Name String

VK_KHR_multiview

Extension Type

Device extension

Registered Extension Number

54

Revision

1

Ratification Status

Ratified

Extension and Version Dependencies

VK_KHR_get_physical_device_properties2

or

Vulkan Version 1.1

SPIR-V Dependencies

• SPV_KHR_multiview

Deprecation State

• Promoted to Vulkan 1.1

Contact

• Jeff Bolz @jeffbolznv%0A*Here describe the issue or question you have about the VK_KHR_multiview extension*

Other Extension Metadata

Last Modified Date

2016-10-28

IP Status

No known IP claims.

Interactions and External Dependencies

• This extension provides API support for GL_EXT_multiview

Contributors

• Jeff Bolz, NVIDIA

Description

This extension has the same goal as the OpenGL ES GL_OVR_multiview extension. Multiview is a rendering technique originally designed for VR where it is more efficient to record a single set of commands to be executed with slightly different behavior for each “view”.

It includes a concise way to declare a render pass with multiple views, and gives implementations freedom to render the views in the most efficient way possible. This is done with a multiview configuration specified during render pass creation with the RenderPassMultiviewCreateInfo passed into RenderPassCreateInfo::pNext.

This extension enables the use of the SPV_KHR_multiview shader extension, which adds a new ViewIndex built-in type that allows shaders to control what to do for each view. If using GLSL there is also the GL_EXT_multiview extension that introduces a highp int gl_ViewIndex; built-in variable for vertex, tessellation, geometry, and fragment shaders.

Promotion to Vulkan 1.1

All functionality in this extension is included in core Vulkan 1.1, with the KHR suffix omitted. The original type, enum, and command names are still available as aliases of the core functionality.

New Structures

• Extending PhysicalDeviceFeatures2, DeviceCreateInfo:

  • PhysicalDeviceMultiviewFeaturesKHR

• Extending PhysicalDeviceProperties2:

  • PhysicalDeviceMultiviewPropertiesKHR

• Extending RenderPassCreateInfo:

  • RenderPassMultiviewCreateInfoKHR

New Enum Constants

• KHR_MULTIVIEW_EXTENSION_NAME

• KHR_MULTIVIEW_SPEC_VERSION

• Extending DependencyFlagBits:

  • DEPENDENCY_VIEW_LOCAL_BIT_KHR

• Extending StructureType:

  • STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_FEATURES_KHR

  • STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_PROPERTIES_KHR

  • STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO_KHR

New Built-In Variables

• ViewIndex

New SPIR-V Capabilities

• MultiView

Version History

• Revision 1, 2016-10-28 (Jeff Bolz)

  • Internal revisions

See Also

No cross-references are available

Document Notes

For more information, see the Vulkan Specification.

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