Struct vk_sync::BufferBarrier
source · pub struct BufferBarrier {
pub previous_accesses: Vec<AccessType>,
pub next_accesses: Vec<AccessType>,
pub src_queue_family_index: u32,
pub dst_queue_family_index: u32,
pub buffer: BufferType,
pub offset: usize,
pub size: usize,
}
Expand description
Buffer barriers should only be used when a queue family ownership transfer is required - prefer global barriers at all other times.
Access types are defined in the same way as for a global memory barrier, but
they only affect the buffer range identified by buffer
, offset
and size
,
rather than all resources.
src_queue_family_index
and dst_queue_family_index
will be passed unmodified
into a buffer memory barrier.
A buffer barrier defining a queue ownership transfer needs to be executed twice - once by a queue in the source queue family, and then once again by a queue in the destination queue family, with a semaphore guaranteeing execution order between them.
Fields
previous_accesses: Vec<AccessType>
next_accesses: Vec<AccessType>
src_queue_family_index: u32
dst_queue_family_index: u32
buffer: BufferType
offset: usize
size: usize
Trait Implementations
sourceimpl Clone for BufferBarrier
impl Clone for BufferBarrier
sourcefn clone(&self) -> BufferBarrier
fn clone(&self) -> BufferBarrier
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresourceimpl Debug for BufferBarrier
impl Debug for BufferBarrier
sourceimpl Default for BufferBarrier
impl Default for BufferBarrier
sourcefn default() -> BufferBarrier
fn default() -> BufferBarrier
Returns the “default value” for a type. Read more
Auto Trait Implementations
impl RefUnwindSafe for BufferBarrier
impl Send for BufferBarrier
impl Sync for BufferBarrier
impl Unpin for BufferBarrier
impl UnwindSafe for BufferBarrier
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more