Contact
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James Jones [GitHub]cubanismo
Other Extension Metadata
- Last Modified Date
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2017-02-27
- IP Status
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No known IP claims.
- Contributors
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Ian Elliott, Google
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James Jones, NVIDIA
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Alon Or-bach, Samsung
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Description
This extension provides new queries for device surface capabilities that can
be easily extended by other extensions, without introducing any further
queries.
This extension can be considered the VK_KHR_surface equivalent of
the VK_KHR_get_physical_device_properties2 extension.
New Enum Constants
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VK_KHR_GET_SURFACE_CAPABILITIES_2_EXTENSION_NAME -
VK_KHR_GET_SURFACE_CAPABILITIES_2_SPEC_VERSION -
Extending VkStructureType:
Issues
1) What should this extension be named?
RESOLVED: VK_KHR_get_surface_capabilities2.
Other alternatives:
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VK_KHR_surface2 -
One extension, combining a separate display-specific query extension.
2) Should additional WSI query functions be extended?
RESOLVED:
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vkGetPhysicalDeviceSurfaceCapabilitiesKHR: Yes. The need for this motivated the extension.
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vkGetPhysicalDeviceSurfaceSupportKHR: No. Currently only has boolean output. Extensions should instead extend vkGetPhysicalDeviceSurfaceCapabilities2KHR.
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vkGetPhysicalDeviceSurfacePresentModesKHR: No. Recent discussion concluded this introduced too much variability for applications to deal with. Extensions should instead extend vkGetPhysicalDeviceSurfaceCapabilities2KHR.
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vkGetPhysicalDeviceXlibPresentationSupportKHR: Not in this extension.
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vkGetPhysicalDeviceXcbPresentationSupportKHR: Not in this extension.
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vkGetPhysicalDeviceWaylandPresentationSupportKHR: Not in this extension.
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vkGetPhysicalDeviceWin32PresentationSupportKHR: Not in this extension.
Document Notes
For more information, see the Vulkan Specification.
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