Struct CommandBuffer 

pub struct CommandBuffer { /* private fields */ }

GPU command buffer

Implementations

impl CommandBuffer

pub fn new() -> Self

pub fn draw(&mut self, vertex_count: u32, instance_count: u32)

Record a draw command

pub fn dispatch(&mut self, x: u32, y: u32, z: u32)

Record a compute dispatch

pub fn barrier(&mut self)

Record a memory barrier

pub fn submit(&self) -> Result<(), KernelError>

Submit command buffer to GPU.

If a VirtIO GPU is available, flushes the framebuffer to the display via transfer_to_host_2d + resource_flush. Otherwise this is a no-op (software rendering path).

Trait Implementations

impl Default for CommandBuffer

fn default() -> Self

Returns the “default value” for a type.