tiny.windowing.PresentationCapacity

1pub const Capacity = struct {2    retained_frame_byte_count: usize,3    x11_packed_region_bytes: usize,4    wayland_pending_frame_bytes: usize,5    cocoa_frame_slot_count: usize,6    cocoa_frame_storage_bytes: usize,7    maximum_backend_frame_storage_bytes: usize,89    pub fn derive(limits: Limits) CapacityError!Capacity {10        if (limits.retained_frame_byte_count == 0) return error.FrameStorageEmpty;11        const cocoa_frame_slot_count = 2;12        const cocoa_frame_storage_bytes = std.math.mul(13            usize,14            limits.retained_frame_byte_count,15            cocoa_frame_slot_count,16        ) catch return error.CapacityOverflow;17        return .{18            .retained_frame_byte_count = limits.retained_frame_byte_count,19            .x11_packed_region_bytes = limits.retained_frame_byte_count,20            .wayland_pending_frame_bytes = limits.retained_frame_byte_count,21            .cocoa_frame_slot_count = cocoa_frame_slot_count,22            .cocoa_frame_storage_bytes = cocoa_frame_storage_bytes,23            .maximum_backend_frame_storage_bytes = cocoa_frame_storage_bytes,24        };25    }26};

1pub const PresentationCapacity = presentation.Capacity;