Remove headless support

Author: asny

.github/workflows/rust.yml

@@ -81,19 +81,3 @@ jobs:
               echo "::endgroup::"
             fi
           done
-
-  # headless:
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - uses: actions/checkout@v2
-
-  #     - name: Install Rust Toolchain
-  #       uses: actions-rs/toolchain@v1
-  #       with:
-  #         profile: minimal
-  #         toolchain: stable
-  #         override: true
-
-  #     - run: sudo apt-get update && sudo apt-get install -y xvfb libfontconfig1-dev
-
-  #     - run: xvfb-run -a cargo run --example headless --features="headless"

Cargo.toml

@@ -19,7 +19,6 @@ targets = ["x86_64-apple-darwin", "x86_64-unknown-linux-gnu", "x86_64-pc-windows
 [features]
 default = ["window"]
 window = ["glutin", "winit", "raw-window-handle", "wasm-bindgen", "serde", "serde-wasm-bindgen", "web-sys"] # Window module
-headless = ["glutin_029"] # Headless rendering
 egui-gui = ["egui_glow", "egui", "getrandom"] # Additional GUI features 
 text = ["swash", "lyon"] # Text mesh generation features
 
@@ -38,7 +37,6 @@ lyon = { version = "1", optional = true }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 glutin = { version = "0.30", optional = true }
-glutin_029 = { package = "glutin", version = "0.29", optional = true }
 raw-window-handle = { version = "0.5", optional = true }
 image = { version = "0.25", default-features = false, features = ["png"], optional = true }
 
@@ -191,11 +189,6 @@ path = "examples/winit_window/src/main.rs"
 name = "multiwindow"
 path = "examples/multiwindow/src/main.rs"
 
-[[example]]
-name = "headless"
-path = "examples/headless/src/main.rs"
-required-features = ["headless"]
-
 [[example]]
 name = "logo"
 path = "examples/logo/src/main.rs"

examples/README.md

@@ -151,7 +151,3 @@ Shows how to easily combine a custom [winit](https://crates.io/crates/winit) win
 ## Multiwindow [[code](https://github.com/asny/three-d/tree/master/examples/multiwindow/src/main.rs)] [[demo](https://asny.github.io/three-d/0.19/multiwindow.html)]
 
 Shows how to create multiple [winit](https://crates.io/crates/winit) windows and render with `three-d`.
-
-## Headless [[code](https://github.com/asny/three-d/tree/master/examples/headless/src/main.rs)]
-
-This example does not create a window but render directly to a render target and saves the result to disk. Therefore, this example does not work on web.

examples/headless/Cargo.toml

@@ -1,7 +1,7 @@
 //!
 //! Window, event handling and context creation for easy setup.
 //! * Can be avoided fully by setting up a window, event handling etc. and creating a [Context](crate::core::Context) from a [glow](https://crates.io/crates/glow) OpenGL/WebGL context.
-//! * If full control over the window and event handling, but not the context creation, is desired, use a [WindowedContext] or [HeadlessContext].
+//! * If full control over the window and event handling, but not the context creation, is desired, use a [WindowedContext].
 //! * Finally, for an easy setup, use [Window::new] or [Window::from_winit_window], the latter will provide full control over the creation of the window.
 //!
 //!
@@ -11,9 +11,3 @@
 mod winit_window;
 #[cfg(feature = "window")]
 pub use winit_window::*;
-
-#[cfg(all(feature = "headless", not(target_arch = "wasm32")))]
-#[cfg_attr(docsrs, doc(feature = "headless"))]
-mod headless;
-#[cfg(all(feature = "headless", not(target_arch = "wasm32")))]
-pub use headless::*;

examples/headless/src/lib.rs

@@ -177,7 +177,7 @@ impl Window {
     ///
     /// Creates a new window from a [winit](https://crates.io/crates/winit) window and event loop with the given surface settings, giving the user full
     /// control over the creation of the window.
-    /// This method takes ownership of the winit window and event loop, if this is not desired, use a [WindowedContext] or [HeadlessContext](crate::HeadlessContext) instead.
+    /// This method takes ownership of the winit window and event loop, if this is not desired, use a [WindowedContext] instead.
     ///
     pub fn from_winit_window(
         winit_window: window::Window,

examples/headless/src/main.rs

@@ -95,7 +95,6 @@ mod inner {
     use super::*;
     ///
     /// A windowed graphics context, ie. a graphics context that is associated with a window.
-    /// For a graphics context that is not associated with a window, see [HeadlessContext](crate::HeadlessContext).
     ///
     pub struct WindowedContext {
         pub(super) context: Context,