C Specification
The VkBindBufferMemoryDeviceGroupInfo structure is defined as:
// Provided by VK_VERSION_1_1
typedef struct VkBindBufferMemoryDeviceGroupInfo {
VkStructureType sType;
const void* pNext;
uint32_t deviceIndexCount;
const uint32_t* pDeviceIndices;
} VkBindBufferMemoryDeviceGroupInfo;
or the equivalent
// Provided by VK_KHR_bind_memory2 with VK_KHR_device_group
typedef VkBindBufferMemoryDeviceGroupInfo VkBindBufferMemoryDeviceGroupInfoKHR;
Members
-
sTypeis a VkStructureType value identifying this structure. -
pNextisNULLor a pointer to a structure extending this structure. -
deviceIndexCountis the number of elements inpDeviceIndices. -
pDeviceIndicesis a pointer to an array of device indices.
Description
If the pNext chain of VkBindBufferMemoryInfo includes a
VkBindBufferMemoryDeviceGroupInfo structure, then that structure
determines how memory is bound to buffers across multiple devices in a
device group.
If deviceIndexCount is greater than zero, then on device index i
the buffer is attached to the instance of memory on the physical
device with device index pDeviceIndices[i].
If deviceIndexCount is zero and memory comes from a memory heap
with the VK_MEMORY_HEAP_MULTI_INSTANCE_BIT bit set, then it is as if
pDeviceIndices contains consecutive indices from zero to the number of
physical devices in the logical device, minus one.
In other words, by default each physical device attaches to its own instance
of memory.
If deviceIndexCount is zero and memory comes from a memory heap
without the VK_MEMORY_HEAP_MULTI_INSTANCE_BIT bit set, then it is as
if pDeviceIndices contains an array of zeros.
In other words, by default each physical device attaches to instance zero.
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.