pub enum LoadOp<T = ()> {
Load,
Clear(T),
DontCare,
}
Expand description
Specifies how render pass treats attachment content at the beginning.
Render pass will load this attachment content before first subpass that
access this attachment starts.
Render pass will clear this attachment content before first subpass
that access this attachment starts. Value to which attachment
should be cleared must be provided in Encoder::begin_render_pass
call.
Render pass will not attempt to load attachment content or clear it -
basically no-op. Attachment content visible to read operations
inside render pass is undefined before it is written.
This is fastest variant suitable when old content can be discarded and
whole attachment is going to be written by operations in render
pass, or only written parts are later read.
Performs copy-assignment from
source
.
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Formats the value using the given formatter.
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Returns the “default value” for a type.
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This method tests for self
and other
values to be equal, and is used
by ==
.
This method tests for !=
. The default implementation is almost always
sufficient, and should not be overridden without very good reason.
Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Checks if this value is equivalent to the given key.
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Returns the argument unchanged.
Calls U::from(self)
.
That is, this conversion is whatever the implementation of
From<T> for U
chooses to do.
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning.
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Uses borrowed data to replace owned data, usually by cloning.
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The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.