VK_AMD_memory_overallocation_behavior

Other Extension Metadata

Last Modified Date

2018-09-19

IP Status

No known IP claims.

Contributors

• Martin Dinkov, AMD
• Matthaeus Chajdas, AMD
• Daniel Rakos, AMD
• Jon Campbell, AMD

Description

This extension allows controlling whether explicit overallocation beyond the device memory heap sizes (reported by VkPhysicalDeviceMemoryProperties) is allowed or not. Overallocation may lead to performance loss and is not supported for all platforms.

New Structures

• Extending VkDeviceCreateInfo:
  • VkDeviceMemoryOverallocationCreateInfoAMD

New Enums

• VkMemoryOverallocationBehaviorAMD

New Enum Constants

• VK_AMD_MEMORY_OVERALLOCATION_BEHAVIOR_EXTENSION_NAME
• VK_AMD_MEMORY_OVERALLOCATION_BEHAVIOR_SPEC_VERSION
• Extending VkStructureType:
  • VK_STRUCTURE_TYPE_DEVICE_MEMORY_OVERALLOCATION_CREATE_INFO_AMD

Version History

• Revision 1, 2018-09-19 (Martin Dinkov)
  • Initial draft.