ext "RENDER"

struct RenderDirectFormat {
    red_shift: u16,
    red_mask: u16,
    green_shift: u16,
    green_mask: u16,
    blue_shift: u16,
    blue_mask: u16,
    alpha_shift: u16,
    alpha_mask: u16,
}

struct RenderPictFormInfo {
    id: u32,
    ty: u8,
    depth: u8,
    @pad 2,
    direct: RenderDirectFormat,
    colormap: u32,
}

struct RenderPictVisual {
    visual: u32,
    format: u32,
}

struct RenderPictDepth {
    depth: u8,
    @pad 1,
    num_visuals: u16 = len(visuals),
    @pad 4,
    visuals: list(RenderPictVisual, field(num_visuals)),
}

struct RenderPictScreen {
    num_depths: u32 = len(depths),
    fallback: u32,
    depths: list(RenderPictDepth, field(num_depths)),
}

request RenderQueryPictFormats = 1 () {
    @pad 1,
    num_formats: u32 = len(formats),
    num_screens: u32 = len(screens),
    num_depths: u32,
    num_visuals: u32,
    num_subpixel: u32 = len(subpixels),
    @pad 4,
    formats: list(RenderPictFormInfo, field(num_formats)),
    screens: list(RenderPictScreen, field(num_screens)),
    subpixels: list(u32, field(num_subpixel)),
}

bitmask RenderCreatePictureValues {
    repeat:             u32 = 0,
    alphamap:           u32 = 1,
    alphaxorigin:       u32 = 2,
    alphayorigin:       u32 = 3,
    clipxorigin:        u32 = 4,
    clipyorigin:        u32 = 5,
    clipmask:           u32 = 6,
    graphicsexposure:   u32 = 7,
    subwindowmode:      u32 = 8,
    polyedge:           u32 = 9,
    polymode:           u32 = 10,
    dither:             u32 = 11,
    componentalpha:     u32 = 12,
}

request RenderCreatePicture = 4 (
    pid: u32,
    drawable: u32,
    format: u32,
    value_mask: u32 = bitmask(values),
    values: bitmask(RenderCreatePictureValues, field(value_mask)),
);

request RenderFreePicture = 7 (
    picture: u32,
);

request RenderCreateCursor = 27 (
    cid: u32,
    source: u32,
    x: u16,
    y: u16,
);