Struct WorkgroupSize 

pub struct WorkgroupSize {
    pub x: u32,
    pub y: u32,
    pub z: u32,
}

Computes optimal workgroup sizes for dispatch, respecting hardware limits.

Fields

x: u32

Local size X.

y: u32

Local size Y.

z: u32

Local size Z.

Implementations

impl WorkgroupSize

pub fn new_1d(x: u32) -> Self

Create a 1D workgroup size.

pub fn new_2d(x: u32, y: u32) -> Self

Create a 2D workgroup size.

pub fn new_3d(x: u32, y: u32, z: u32) -> Self

Create a 3D workgroup size.

pub fn total_invocations(&self) -> u32

Total number of invocations per workgroup.

pub fn auto_fit_1d(total_elements: u32, max_invocations: u32) -> Self

Auto-fit a 1D workgroup to a total element count, clamped to hardware max.

pub fn auto_fit_2d(width: u32, height: u32, max_invocations: u32) -> Self

Auto-fit a 2D workgroup to a width x height, clamped to limits.

pub fn dispatch_count_1d(&self, total: u32) -> u32

Compute the number of workgroups needed to cover total elements in 1D.

pub fn dispatch_count_2d(&self, width: u32, height: u32) -> (u32, u32)

Compute the number of workgroups needed to cover (width, height) in 2D.

pub fn dispatch_count_3d(&self, w: u32, h: u32, d: u32) -> (u32, u32, u32)

Compute dispatch counts for 3D.

pub fn query_limits(gl: &Context) -> WorkgroupLimits

Query hardware limits from GL context.

Trait Implementations

impl Clone for WorkgroupSize

fn clone(&self) -> WorkgroupSize

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for WorkgroupSize

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

Formats the value using the given formatter.

impl Copy for WorkgroupSize