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pub const Mode = extern struct {
const Self = @This();
const DimensionInfo = extern struct {
const Sync = extern struct { start: u16, end: u16 };
size: u16,
sync: Sync,
total: u16,
};
const Type = packed struct(u32) {
builtin: bool,
clock_c: bool,
crtc_c: bool,
preferred: bool,
default: bool,
userdef: bool,
driver: bool,
_padding: u25,
};
const Flags = packed struct(u32) {
phsync: bool,
nhsync: bool,
pvsync: bool,
nvsync: bool,
interlace: bool,
dblscan: bool,
csync: bool,
pcsync: bool,
ncsync: bool,
hskew: bool,
bcast: bool,
pixmux: bool,
dblclk: bool,
clkdiv2: bool,
_padding: u18,
};
clock: u32,
horizontal: DimensionInfo,
skew: u16,
vertical: DimensionInfo,
line_scans: u16,
vertical_refresh: u32,
flags: Flags,
type: Type,
name: [32]u8,
pub fn frame_rate(self: *const Self) f32 {
var rate = (@as(u64, @intCast(self.clock)) * 1000000 / self.horizontal.total + self.vertical.total / 2) / self.vertical.total;
if (self.flags.interlace) {
rate *= 2;
}
if (self.flags.dblscan) {
rate /= 2;
}
if (self.line_scans > 1) {
rate /= self.line_scans;
}
return @as(f32, @floatFromInt(rate)) / 1000.0;
}
};
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