Struct SdfInstanceData2

#[repr(C)]
pub struct SdfInstanceData2 {
    pub world_from_instance: [f32; 16],
    pub instance_id: u64,
    pub bounding_box_index: u32,
    pub dynamic_data_offset: u32,
    pub dynamic_data_length: u32,
    pub detail_bias: f32,
    pub style: RenderMeshStyle,
    pub reserved: [u32; 4],
}

Describes an instance of an Sdf function to be rendered.

Fields

world_from_instance: [f32; 16]

Instance space to world transform for the draw call. Column major.

instance_id: u64

Set this to a stable non-zero value to track the instance across frames

Needed for correct motion vectors and better tessellation. 0 means no instance ID, if you really don’t have one. Higher level wrappers should expose this as Option.

bounding_box_index: u32

dynamic_data_offset: u32

Dynamic data for the procedural instance

Set both to zero in order to render it without modification.

dynamic_data_length: u32

detail_bias: f32

Detail level. 0.0 means automatic detail.

TODO: Define what this means.

style: RenderMeshStyle

How to render the tessellated mesh.

reserved: [u32; 4]

Experience tells me that that we’ll need this one day.

Trait Implementations

impl Clone for SdfInstanceData2

fn clone(&self) -> SdfInstanceData2

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SdfInstanceData2

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

Formats the value using the given formatter.

impl Zeroable for SdfInstanceData2

fn zeroed() -> Self

Calls zeroed.

impl Copy for SdfInstanceData2

impl Pod for SdfInstanceData2