egui integration

.github/workflows/compile_lambda_rs.yml

@@ -66,19 +66,5 @@ jobs:
           rustup toolchain install ${{ matrix.rustup-toolchain }}
           rustup default ${{ matrix.rustup-toolchain }}
 
-      - name: Build Lambda & other default workspace members.
+      - name: Build Lambda using platform specific features.
         run: cargo test --all --features ${{ matrix.features }} --no-default-features
-
-      - uses: actions/setup-ruby@v1
-      - name: Send Webhook Notification for build status.
-        if: ${{ github.ref == 'refs/heads/main' }}
-        env:
-          JOB_STATUS: ${{ job.status }}
-          WEBHOOK_URL: ${{ secrets.LAMBDA_BUILD_WEBHOOK }}
-          HOOK_OS_NAME: ${{ runner.os }}
-          WORKFLOW_NAME: ${{ github.workflow }}
-          JOB_ID: ${{ github.job }}
-        run: |
-          git clone https://github.com/dhinakg/github-actions-discord-webhook.git webhook
-          bash webhook/send.sh $JOB_STATUS $WEBHOOK_URL
-        shell: bash

crates/lambda-rs-platform/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "lambda-rs-platform"
 description = "Platform implementations for lambda-rs"
-version = "2023.1.30"
+version = "2023.2.4"
 edition = "2021"
 resolver = "2"
 license = "MIT"
@@ -18,6 +18,7 @@ cfg-if = "=1.0.0"
 rand = "=0.8.5"
 obj-rs = "=0.7.0"
 gfx-backend-empty = "=0.9.0"
+egui = "0.20.1"
 
 lambda-rs-logging = { path = "../lambda-rs-logging", version = "2023.1.30" }
 

crates/lambda-rs-platform/README.md

@@ -6,13 +6,18 @@ Platform implementations for lambda-rs. This crate is not intended to be used di
 
 ## Platforms
 The following platforms are currently supported:
-* Windows
-  * Vulkan
-  * DirectX 11
-  * DirectX 12
-* Linux
-  * Vulkan
-  * OpenGL
-* MacOS
-  * Metal
-  * Vulkan
+* Rendering & Compute support
+  * Windows
+    * Vulkan
+    * DirectX 11
+    * DirectX 12
+  * Linux
+    * Vulkan
+    * OpenGL
+  * MacOS
+    * Metal
+    * Vulkan
+* Window support
+  * winit
+* UI support
+  * egui (via winit)

crates/lambda-rs-platform/src/egui/gfx/mod.rs

@@ -0,0 +1,52 @@
+//! Support module for rendering `egui` elements within our rendering
+//! infrastructure.
+pub enum GridDirection {
+  Horizontal,
+  Vertical,
+}
+
+pub enum UIElement {
+  Button {
+    text: String,
+    width: f32,
+    height: f32,
+    on_click: Option<fn()>,
+  },
+  Grid {
+    rows: usize,
+    columns: usize,
+    width: f32,
+    height: f32,
+    direction: GridDirection,
+    children: Vec<UIElement>,
+  },
+}
+
+impl UIElement {
+  /// Renders the UI element
+  pub(crate) fn render(&mut self, ui_for_frame: &mut egui::Ui) {
+    match self {
+      UIElement::Button {
+        text,
+        width,
+        height,
+        on_click,
+      } => {
+        if ui_for_frame.button(text.as_str()).clicked() {
+          match on_click {
+            Some(on_click) => on_click(),
+            None => {}
+          }
+        }
+      }
+      UIElement::Grid {
+        rows,
+        columns,
+        width,
+        height,
+        direction,
+        children,
+      } => todo!(),
+    }
+  }
+}

crates/lambda-rs-platform/src/egui/mod.rs

@@ -0,0 +1,20 @@
+use egui::{
+  Context,
+  Pos2,
+  RawInput,
+  TouchDeviceId,
+};
+
+pub mod gfx;
+pub mod winit;
+
+/// A context for managing egui input & rendering.
+pub struct EguiContext {
+  input_handler: RawInput,
+  context: Context,
+  mouse_position: Option<Pos2>,
+  mouse_button_active: bool,
+  current_pixels_per_point: f32,
+  emulate_touch_screen: bool,
+  active_touch_device: Option<TouchDeviceId>,
+}