Contact
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James Jones cubanismo
Other Extension Metadata
- Last Modified Date
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2017-02-21
- 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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Description
This extension provides new queries for device display properties and
capabilities that can be easily extended by other extensions, without
introducing any further queries.
This extension can be considered the VK_KHR_display equivalent of
the VK_KHR_get_physical_device_properties2 extension.
New Enum Constants
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VK_KHR_GET_DISPLAY_PROPERTIES_2_EXTENSION_NAME -
VK_KHR_GET_DISPLAY_PROPERTIES_2_SPEC_VERSION -
Extending VkStructureType:
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VK_STRUCTURE_TYPE_DISPLAY_MODE_PROPERTIES_2_KHR -
VK_STRUCTURE_TYPE_DISPLAY_PLANE_CAPABILITIES_2_KHR -
VK_STRUCTURE_TYPE_DISPLAY_PLANE_INFO_2_KHR -
VK_STRUCTURE_TYPE_DISPLAY_PLANE_PROPERTIES_2_KHR -
VK_STRUCTURE_TYPE_DISPLAY_PROPERTIES_2_KHR
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Issues
1) What should this extension be named?
RESOLVED: VK_KHR_get_display_properties2.
Other alternatives:
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VK_KHR_display2 -
One extension, combined with
VK_KHR_surface_capabilites2.
2) Should extensible input structs be added for these new functions:
RESOLVED:
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vkGetPhysicalDeviceDisplayProperties2KHR: No. The only current input is a VkPhysicalDevice. Other inputs would not make sense.
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vkGetPhysicalDeviceDisplayPlaneProperties2KHR: No. The only current input is a VkPhysicalDevice. Other inputs would not make sense.
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vkGetDisplayModeProperties2KHR: No. The only current inputs are a VkPhysicalDevice and a VkDisplayModeKHR. Other inputs would not make sense.
3) Should additional display query functions be extended?
RESOLVED:
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vkGetDisplayPlaneSupportedDisplaysKHR: No. Extensions should instead extend vkGetDisplayPlaneCapabilitiesKHR().
Document Notes
For more information, see the Vulkan Specification
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