VK_KHR_get_memory_requirements2

Other Extension Metadata

Last Modified Date

2017-09-05

IP Status

No known IP claims.

Contributors

• Faith Ekstrand, Intel
• Jeff Bolz, NVIDIA
• Jesse Hall, Google

Description

This extension provides new queries for memory requirements of images and buffers that can be easily extended by other extensions, without introducing any additional commands. The Vulkan 1.0 VkMemoryRequirements and VkSparseImageMemoryRequirements structures do not include sType and pNext members. This extension wraps them in new structures with these members, so an application can query a chain of memory requirements structures by constructing the chain and letting the implementation fill them in. A new command is added for each vkGet*MemoryRequrements command in core Vulkan 1.0.

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 Commands

• vkGetBufferMemoryRequirements2KHR
• vkGetImageMemoryRequirements2KHR
• vkGetImageSparseMemoryRequirements2KHR

New Structures

• VkBufferMemoryRequirementsInfo2KHR
• VkImageMemoryRequirementsInfo2KHR
• VkImageSparseMemoryRequirementsInfo2KHR
• VkMemoryRequirements2KHR
• VkSparseImageMemoryRequirements2KHR

New Enum Constants

• VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME
• VK_KHR_GET_MEMORY_REQUIREMENTS_2_SPEC_VERSION
• Extending VkStructureType:
  • VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2_KHR
  • VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2_KHR
  • VK_STRUCTURE_TYPE_IMAGE_SPARSE_MEMORY_REQUIREMENTS_INFO_2_KHR
  • VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR
  • VK_STRUCTURE_TYPE_SPARSE_IMAGE_MEMORY_REQUIREMENTS_2_KHR

Version History

• Revision 1, 2017-03-23 (Faith Ekstrand)
  • Internal revisions