Struct Buffer

#[repr(C)]
pub struct Buffer { /* private fields */ }

Struct representing a buffer, with which to interact with the kernel.

Implementations

impl Buffer

pub fn new(type_: BufType) -> Buffer

Create a new buffer of the given type.

pub fn with_planes(type_: BufType, planes: Vec<Plane>) -> Buffer

Create a new buffer of the given type.

pub fn type_(&self) -> BufType

pub fn index(&self) -> u32

pub fn add_plane(&mut self, plane: Plane)

pub fn set_request(&mut self, request: &Request)

Set a request fd to be passed alongside this buffer.

pub fn set_bytesused(&mut self, num_plane: usize, bytesused: usize)

Set the bytesused field.

pub fn bytesused(&mut self, num_plane: usize) -> u32

Get the bytesused field.

pub fn length(&self, num_plane: usize) -> u32

Get the length field.

pub fn set_offset(&mut self, offset: u32)

Set the m.offset field.

pub fn is_error(&self) -> bool

Determines whether there has been an error on this buffer.

pub fn offset(&self, num_plane: usize) -> u32

Get the m.offset field.

pub fn dmabuf(&self) -> RawFd

Get the m.fd dmabuf.

Trait Implementations

impl Debug for Buffer

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

Formats the value using the given formatter.

impl Default for Buffer

fn default() -> Buffer

Returns the “default value” for a type.