C Specification
Values which can be set in
VkAccelerationStructureCreateInfoKHR::type
or
VkAccelerationStructureInfoNV::type
specifying the type of acceleration structure, are:
// Provided by VK_KHR_ray_tracing
typedef enum VkAccelerationStructureTypeKHR {
VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR = 0,
VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR = 1,
VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_NV = VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR,
VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_NV = VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR,
} VkAccelerationStructureTypeKHR;
or the equivalent
// Provided by VK_NV_ray_tracing
typedef VkAccelerationStructureTypeKHR VkAccelerationStructureTypeNV;
Description
-
VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR
is a top-level acceleration structure containing instance data referring to bottom-level acceleration structures. -
VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR
is a bottom-level acceleration structure containing the AABBs or geometry to be intersected.
Document Notes
For more information, see the Vulkan Specification
This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.