Struct cp_drawable_array 

pub struct cp_drawable_array { /* private fields */ }

Available on crate feature drawable only.

Apple’s documentation

Implementations

impl cp_drawable_array

pub unsafe fn drawable( drawable_array: cp_drawable_array_t, index: usize, ) -> cp_drawable_t

Returns the drawable at the specified index in the array.

• Parameters:
• drawable_array: The drawable array for a frame.
• index: The index of the drawable you want. The index must be greater than or equal to 0 and less than the value that cp_drawable_array_get_count returns.
• Returns: The drawable available for drawing at the specified index.

The cp_drawable_t type contains the textures and other information you need to set up your render descriptor in Metal.

Safety

drawable_array must be a valid pointer.

pub unsafe fn count(drawable_array: cp_drawable_array_t) -> usize

Returns the number of drawables in the array.

• Parameters:
• drawable_array: The drawable array for a frame.
• Returns: The number of drawables available for drawing. For example, a return value of 2 indicates there are two drawables for this frame.

Use the returned value as the maximum number of textures to retrieve from the cp_drawable_array_get_drawable functions.

Safety

drawable_array must be a valid pointer.

Trait Implementations

impl Debug for cp_drawable_array

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl RefEncode for cp_drawable_array

const ENCODING_REF: Encoding

The Objective-C type-encoding for a reference of this type.