From a6e97019bd53e4478c846f8f636c18ecb53bece2 Mon Sep 17 00:00:00 2001 From: Ben Bridle Date: Tue, 10 Oct 2023 14:56:04 +1300 Subject: First commit, before upgrading winit to version 28.1 --- src/render_request.rs | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/render_request.rs (limited to 'src/render_request.rs') diff --git a/src/render_request.rs b/src/render_request.rs new file mode 100644 index 0000000..f336dfc --- /dev/null +++ b/src/render_request.rs @@ -0,0 +1,40 @@ +use crate::*; +use std::ops::*; + +/// A request to the window manager for a render pass to be run. +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +pub enum RenderRequest { + /// A render is not required. + None, + /// A render is required. + Render(RenderHint), +} + +impl RenderRequest { + pub const NONE: RenderRequest = RenderRequest::None; + pub const UPDATE: RenderRequest = RenderRequest::Render(RenderHint::Update); + pub const REDRAW: RenderRequest = RenderRequest::Render(RenderHint::Redraw); + + pub fn is_none(&self) -> bool { *self == RenderRequest::NONE } + pub fn is_some(&self) -> bool { *self != RenderRequest::None } + pub fn is_update(&self) -> bool { *self == RenderRequest::UPDATE } + pub fn is_redraw(&self) -> bool { *self == RenderRequest::REDRAW } +} + +impl BitAnd for RenderRequest { + type Output = RenderRequest; + fn bitand(self, other: RenderRequest) -> Self::Output { + use RenderRequest::*; + match (self, other) { + (None, req) => req, + (req, None) => req, + (Render(a), Render(b)) => Render(a & b), + } + } +} + +impl BitAndAssign for RenderRequest { + fn bitand_assign(&mut self, other: RenderRequest) { + *self = *self & other; + } +} -- cgit v1.2.3-70-g09d2