vello/piet-gpu-types/src/ptcl.rs

use piet_gpu_derive::piet_gpu;

piet_gpu! {
    #[gpu_write]
    mod ptcl {
        struct CmdCircle {
            // In existing code, this is packed; we might need an annotation for this.
            bbox: [u16; 4],
        }
        struct CmdLine {
            start: [f32; 2],
            end: [f32; 2],
        }
        struct CmdStroke {
            // In existing code, this is f16. Should we have support?
            halfWidth: f32,
            rgba_color: u32,
        }
        struct CmdFill {
            start: [f32; 2],
            end: [f32; 2],
        }
        struct CmdFillEdge {
            // The sign is only one bit.
            sign: i32,
            y: f32,
        }
        struct CmdDrawFill {
            backdrop: i32,
            rgba_color: u32,
        }
        struct CmdSolid {
            rgba_color: u32,
        }
        enum Cmd {
            End,
            Circle(CmdCircle),
            Line(CmdLine),
            Fill(CmdFill),
            Stroke(CmdStroke),
            FillEdge(CmdFillEdge),
            DrawFill(CmdDrawFill),
            Solid(CmdSolid),
            Bail,
        }
    }
}