Contact
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Daniel Rakos drakos-amd
Other Extension Metadata
- Last Modified Date
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2018-03-28
- IP Status
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No known IP claims.
- Contributors
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Faith Ekstrand, Intel
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Jan-Harald Fredriksen, ARM
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Jesse Hall, Google
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Daniel Rakos, AMD
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Ray Smith, ARM
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Description
This extension allows processing of swapchain images as different formats to that used by the window system, which is particularly useful for switching between sRGB and linear RGB formats.
It adds a new swapchain creation flag that enables creating image views from presentable images with a different format than the one used to create the swapchain.
New Enum Constants
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VK_KHR_SWAPCHAIN_MUTABLE_FORMAT_EXTENSION_NAME -
VK_KHR_SWAPCHAIN_MUTABLE_FORMAT_SPEC_VERSION -
Extending VkSwapchainCreateFlagBitsKHR:
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VK_SWAPCHAIN_CREATE_MUTABLE_FORMAT_BIT_KHR
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Issues
1) Are there any new capabilities needed?
RESOLVED: No. It is expected that all implementations exposing this extension support swapchain image format mutability.
2) Do we need a separate VK_SWAPCHAIN_CREATE_EXTENDED_USAGE_BIT_KHR?
RESOLVED: No.
This extension requires VK_KHR_maintenance2 and presentable images of
swapchains created with VK_SWAPCHAIN_CREATE_MUTABLE_FORMAT_BIT_KHR are
created internally in a way equivalent to specifying both
VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT and
VK_IMAGE_CREATE_EXTENDED_USAGE_BIT_KHR.
3) Do we need a separate structure to allow specifying an image format list for swapchains?
RESOLVED: No.
We simply use the same VkImageFormatListCreateInfoKHR structure
introduced by VK_KHR_image_format_list.
The structure is required to be included in the pNext chain of
VkSwapchainCreateInfoKHR for swapchains created with
VK_SWAPCHAIN_CREATE_MUTABLE_FORMAT_BIT_KHR.
Document Notes
For more information, see the Vulkan Specification
This page is a generated document. Fixes and changes should be made to the generator scripts, not directly.