Struct SDL_GPUIndirectDrawCommand

#[repr(C)]
pub struct SDL_GPUIndirectDrawCommand {
    pub num_vertices: u32,
    pub num_instances: u32,
    pub first_vertex: u32,
    pub first_instance: u32,
}

Available on crate feature dep_sdl3 only.

A structure specifying the parameters of an indirect draw command.

Note that the first_vertex and first_instance parameters are NOT compatible with built-in vertex/instance ID variables in shaders (for example, SV_VertexID); GPU APIs and shader languages do not define these built-in variables consistently, so if your shader depends on them, the only way to keep behavior consistent and portable is to always pass 0 for the correlating parameter in the draw calls.

Availability

This struct is available since SDL 3.2.0.

See also

• SDL_DrawGPUPrimitivesIndirect

Fields

num_vertices: u32

The number of vertices to draw.

num_instances: u32

The number of instances to draw.

first_vertex: u32

The index of the first vertex to draw.

first_instance: u32

The ID of the first instance to draw.

Trait Implementations

impl Clone for SDL_GPUIndirectDrawCommand

fn clone(&self) -> SDL_GPUIndirectDrawCommand

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Default for SDL_GPUIndirectDrawCommand

fn default() -> SDL_GPUIndirectDrawCommand

Returns the “default value” for a type.

impl Copy for SDL_GPUIndirectDrawCommand