Struct vk_sync_fork::BufferBarrier
source · [−]pub struct BufferBarrier<'a> {
pub previous_accesses: &'a [AccessType],
pub next_accesses: &'a [AccessType],
pub src_queue_family_index: u32,
pub dst_queue_family_index: u32,
pub buffer: Buffer,
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: &'a [AccessType]
next_accesses: &'a [AccessType]
src_queue_family_index: u32
dst_queue_family_index: u32
buffer: Buffer
offset: usize
size: usize
Trait Implementations
sourceimpl<'a> Clone for BufferBarrier<'a>
impl<'a> Clone for BufferBarrier<'a>
sourcefn clone(&self) -> BufferBarrier<'a>
fn clone(&self) -> BufferBarrier<'a>
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 more
sourceimpl<'a> Debug for BufferBarrier<'a>
impl<'a> Debug for BufferBarrier<'a>
sourceimpl<'a> Default for BufferBarrier<'a>
impl<'a> Default for BufferBarrier<'a>
sourcefn default() -> BufferBarrier<'a>
fn default() -> BufferBarrier<'a>
Returns the “default value” for a type. Read more
Auto Trait Implementations
impl<'a> RefUnwindSafe for BufferBarrier<'a>
impl<'a> Send for BufferBarrier<'a>
impl<'a> Sync for BufferBarrier<'a>
impl<'a> Unpin for BufferBarrier<'a>
impl<'a> UnwindSafe for BufferBarrier<'a>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
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
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more