bevy_pbr 0.19.0

Adds PBR rendering to Bevy Engine
Documentation 
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/// Remaps an indirect 1d to 2d dispatch for devices with low dispatch size limit.

struct DispatchIndirectArgs {
    x: u32,
    y: u32,
    z: u32,
}

@group(0) @binding(0) var<storage, read_write> meshlet_software_raster_indirect_args: DispatchIndirectArgs;
@group(0) @binding(1) var<storage, read_write> meshlet_software_raster_cluster_count: u32;
var<immediate> max_compute_workgroups_per_dimension: u32;

@compute
@workgroup_size(1, 1, 1)
fn remap_dispatch() {
    let cluster_count = meshlet_software_raster_indirect_args.x;

    if cluster_count > max_compute_workgroups_per_dimension {
        let n = u32(ceil(sqrt(f32(cluster_count))));
        meshlet_software_raster_indirect_args.x = n;
        meshlet_software_raster_indirect_args.y = n;
        meshlet_software_raster_cluster_count = cluster_count;
    }
}