Infallible mesh

.github/actions/install-linux-deps/action.yml

@@ -33,6 +33,10 @@ inputs:
     description: Install xkb (libxkbcommon-dev)
     required: false
     default: "false"
+  x264:
+    description: Install x264 (libx264-dev)
+    required: false
+    default: "false"
 runs:
   using: composite
   steps:
@@ -47,3 +51,4 @@ runs:
         ${{ fromJSON(inputs.udev) && 'libudev-dev' || '' }}
         ${{ fromJSON(inputs.wayland) && 'libwayland-dev' || '' }}
         ${{ fromJSON(inputs.xkb) && 'libxkbcommon-dev' || '' }}
+        ${{ fromJSON(inputs.x264) && 'libx264-164 libx264-dev' || '' }}

.github/workflows/ci.yml

@@ -83,6 +83,7 @@ jobs:
         with:
           wayland: true
           xkb: true
+          x264: true
       - name: CI job
         # See tools/ci/src/main.rs for the commands this runs
         run: cargo run -p ci -- lints
@@ -304,7 +305,7 @@ jobs:
           # Full git history is needed to get a proper list of changed files within `super-linter`
           fetch-depth: 0
       - name: Run Markdown Lint
-        uses: super-linter/super-linter/slim@v8.2.1
+        uses: super-linter/super-linter/slim@v8.3.0
         env:
           MULTI_STATUS: false
           VALIDATE_ALL_CODEBASE: false
@@ -336,7 +337,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Check for typos
-        uses: crate-ci/typos@v1.39.2
+        uses: crate-ci/typos@v1.40.0
       - name: Typos info
         if: failure()
         run: |
@@ -371,6 +372,7 @@ jobs:
         with:
           wayland: true
           xkb: true
+          x264: true
       - name: Build and check doc
         # See tools/ci/src/main.rs for the commands this runs
         run: cargo run -p ci -- doc

.github/workflows/example-run.yml

@@ -48,7 +48,7 @@ jobs:
             example_name=`basename $example .ron`
             echo -n $example_name > last_example_run
             echo "running $example_name - "`date`
-            time TRACE_CHROME=trace-$example_name.json CI_TESTING_CONFIG=$example cargo run --example $example_name --features "bevy_ci_testing,trace,trace_chrome"
+            time TRACE_CHROME=trace-$example_name.json CI_TESTING_CONFIG=$example cargo run --example $example_name --features "bevy_ci_testing,trace,trace_chrome,bevy_ui_debug"
             sleep 10
             if [ `find ./ -maxdepth 1 -name 'screenshot-*.png' -print -quit` ]; then
               mkdir screenshots-$example_name
@@ -123,7 +123,7 @@ jobs:
             example_name=`basename $example .ron`
             echo -n $example_name > last_example_run
             echo "running $example_name - "`date`
-            time TRACE_CHROME=trace-$example_name.json CI_TESTING_CONFIG=$example xvfb-run cargo run --example $example_name --features "bevy_ci_testing,trace,trace_chrome"
+            time TRACE_CHROME=trace-$example_name.json CI_TESTING_CONFIG=$example xvfb-run cargo run --example $example_name --features "bevy_ci_testing,trace,trace_chrome,bevy_ui_debug"
             sleep 10
             if [ `find ./ -maxdepth 1 -name 'screenshot-*.png' -print -quit` ]; then
               mkdir screenshots-$example_name
@@ -187,7 +187,7 @@ jobs:
             example_name=`basename $example .ron`
             echo -n $example_name > last_example_run
             echo "running $example_name - "`date`
-            time WGPU_BACKEND=dx12 TRACE_CHROME=trace-$example_name.json CI_TESTING_CONFIG=$example cargo run --example $example_name --features "statically-linked-dxc,bevy_ci_testing,trace,trace_chrome"
+            time WGPU_BACKEND=dx12 TRACE_CHROME=trace-$example_name.json CI_TESTING_CONFIG=$example cargo run --example $example_name --features "statically-linked-dxc,bevy_ci_testing,trace,trace_chrome,bevy_ui_debug"
             sleep 10
             if [ `find ./ -maxdepth 1 -name 'screenshot-*.png' -print -quit` ]; then
               mkdir screenshots-$example_name

Cargo.toml

@@ -10,7 +10,7 @@ keywords = ["game", "engine", "gamedev", "graphics", "bevy"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/bevyengine/bevy"
 documentation = "https://docs.rs/bevy"
-rust-version = "1.88.0"
+rust-version = "1.89.0"
 
 [workspace]
 resolver = "2"
@@ -222,7 +222,7 @@ common_api = [
 # COLLECTION: Features used to build 2D Bevy apps (does not include a render backend). You generally don't need to worry about this unless you are using a custom renderer.
 2d_api = ["common_api", "bevy_sprite"]
 
-# COLLECTION: Bevy's built-in 2D renderer, built on top of `bevy_render` 
+# COLLECTION: Bevy's built-in 2D renderer, built on top of `bevy_render`.
 2d_bevy_render = [
   "2d_api",
   "bevy_render",
@@ -245,7 +245,7 @@ common_api = [
   "zstd_rust",
 ]
 
-# COLLECTION: Bevy's built-in 3D renderer, built on top of `bevy_render` 
+# COLLECTION: Bevy's built-in 3D renderer, built on top of `bevy_render`.
 3d_bevy_render = [
   "3d_api",
   "bevy_render",
@@ -261,7 +261,7 @@ common_api = [
 # COLLECTION: Features used to build UI Bevy apps (does not include a render backend). You generally don't need to worry about this unless you are using a custom renderer.
 ui_api = ["default_app", "common_api", "bevy_ui"]
 
-# COLLECTION: Bevy's built-in UI renderer, built on top of `bevy_render` 
+# COLLECTION: Bevy's built-in UI renderer, built on top of `bevy_render`.
 ui_bevy_render = [
   "ui_api",
   "bevy_render",
@@ -708,7 +708,7 @@ bevy_dylib = { path = "crates/bevy_dylib", version = "0.18.0-dev", default-featu
 [dev-dependencies]
 rand = "0.9.0"
 rand_chacha = "0.9.0"
-ron = "0.11"
+ron = "0.12"
 flate2 = "1.0"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1.0.140"
@@ -732,6 +732,7 @@ event-listener = "5.3.0"
 anyhow = "1"
 accesskit = "0.21"
 nonmax = "0.5"
+gltf = "1.4"
 
 [target.'cfg(not(target_family = "wasm"))'.dev-dependencies]
 ureq = { version = "3.0.8", features = ["json"] }
@@ -3112,6 +3113,17 @@ description = "Demonstrates how to write a specialized mesh pipeline"
 category = "Shaders"
 wasm = true
 
+[[example]]
+name = "fullscreen_material"
+path = "examples/shader_advanced/fullscreen_material.rs"
+doc-scrape-examples = true
+
+[package.metadata.example.fullscreen_material]
+name = "Fullscreen Material"
+description = "Demonstrates how to write a fullscreen material"
+category = "Shaders Advanced"
+wasm = true
+
 # Stress tests
 [[package.metadata.example_category]]
 name = "Stress Tests"
@@ -3414,6 +3426,17 @@ category = "Transforms"
 wasm = true
 
 # UI (User Interface)
+[[example]]
+name = "anchor_layout"
+path = "examples/ui/anchor_layout.rs"
+doc-scrape-examples = true
+
+[package.metadata.example.anchor_layout]
+name = "Anchor Layout"
+description = "Shows an 'anchor layout' style of ui layout"
+category = "UI (User Interface)"
+wasm = true
+
 [[example]]
 name = "borders"
 path = "examples/ui/borders.rs"
@@ -3480,6 +3503,18 @@ description = "Illustrates how to access `winit::window::Window`'s `hittest` fun
 category = "UI (User Interface)"
 wasm = false
 
+[[example]]
+name = "vertical_slider"
+path = "examples/ui/vertical_slider.rs"
+doc-scrape-examples = true
+required-features = ["experimental_bevy_ui_widgets"]
+
+[package.metadata.example.vertical_slider]
+name = "Vertical Slider"
+description = "Simple example showing vertical and horizontal slider widgets with snap behavior and value labels"
+category = "UI (User Interface)"
+wasm = true
+
 [[example]]
 name = "font_atlas_debug"
 path = "examples/ui/font_atlas_debug.rs"
@@ -3968,6 +4003,9 @@ name = "fallback_image"
 path = "examples/shader/fallback_image.rs"
 doc-scrape-examples = true
 
+[package.metadata.example.fallback_image]
+hidden = true
+
 [[example]]
 name = "reflection_probes"
 path = "examples/3d/reflection_probes.rs"
@@ -3979,9 +4017,6 @@ description = "Demonstrates reflection probes"
 category = "3D Rendering"
 wasm = false
 
-[package.metadata.example.fallback_image]
-hidden = true
-
 [package.metadata.example.window_resizing]
 name = "Window Resizing"
 description = "Demonstrates resizing and responding to resizing a window"
@@ -4178,6 +4213,28 @@ description = "Loads and renders a glTF file as a scene, including the gltf extr
 category = "glTF"
 wasm = true
 
+[[example]]
+name = "gltf_extension_animation_graph"
+path = "examples/gltf/gltf_extension_animation_graph.rs"
+doc-scrape-examples = true
+
+[package.metadata.example.gltf_extension_animation_graph]
+name = "glTF extension AnimationGraph"
+description = "Uses glTF data to build an AnimationGraph via extension processing"
+category = "glTF"
+wasm = true
+
+[[example]]
+name = "gltf_extension_mesh_2d"
+path = "examples/gltf/gltf_extension_mesh_2d.rs"
+doc-scrape-examples = true
+
+[package.metadata.example.gltf_extension_mesh_2d]
+name = "glTF extension processing to build Mesh2ds from glTF data"
+description = "Uses glTF extension data to convert incoming Mesh3d/MeshMaterial3d assets to 2d"
+category = "glTF"
+wasm = true
+
 [[example]]
 name = "query_gltf_primitives"
 path = "examples/gltf/query_gltf_primitives.rs"
@@ -4877,3 +4934,26 @@ name = "Pan Camera"
 description = "Example Pan-Camera Styled Camera Controller for 2D scenes"
 category = "Camera"
 wasm = true
+
+[[example]]
+name = "clustered_decal_maps"
+path = "examples/3d/clustered_decal_maps.rs"
+doc-scrape-examples = true
+required-features = ["pbr_clustered_decals", "https"]
+
+[package.metadata.example.clustered_decal_maps]
+name = "Clustered Decal Maps"
+description = "Demonstrates normal and metallic-roughness maps of decals"
+category = "3D Rendering"
+wasm = false
+
+[[example]]
+name = "mirror"
+path = "examples/3d/mirror.rs"
+doc-scrape-examples = true
+
+[package.metadata.example.mirror]
+name = "Mirror"
+description = "Demonstrates how to create a mirror with a second camera"
+category = "3D Rendering"
+wasm = true

assets/models/barycentric/barycentric.gltf

@@ -1,4 +1,18 @@
 {
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "name": "box",
+      "mesh": 0
+    }
+  ],
   "accessors": [
     {
       "bufferView": 0,

assets/shaders/array_texture.wgsl

@@ -1,5 +1,6 @@
 #import bevy_pbr::{
     forward_io::VertexOutput,
+    mesh_functions,
     mesh_view_bindings::view,
     pbr_types::{STANDARD_MATERIAL_FLAGS_DOUBLE_SIDED_BIT, PbrInput, pbr_input_new},
     pbr_functions as fns,
@@ -15,7 +16,9 @@ fn fragment(
     @builtin(front_facing) is_front: bool,
     mesh: VertexOutput,
 ) -> @location(0) vec4<f32> {
-    let layer = i32(mesh.world_position.x) & 0x3;
+    // Determine which layer of the array texture to sample from based on the
+    // mesh tag which originates from the MeshTag component on the entity.
+    let layer = mesh_functions::get_tag(mesh.instance_index);
 
     // Prepare a 'processed' StandardMaterial by sampling all textures to resolve
     // the material members

assets/shaders/custom_clustered_decal.wgsl

@@ -22,11 +22,7 @@ fn fragment(
     pbr_input.material.base_color = alpha_discard(pbr_input.material, pbr_input.material.base_color);
 
     // Apply the normal decals.
-    pbr_input.material.base_color = clustered::apply_decal_base_color(
-        in.world_position.xyz,
-        in.position.xy,
-        pbr_input.material.base_color
-    );
+    clustered::apply_decals(&pbr_input);
 
     // Here we tint the color based on the tag of the decal.
     // We could optionally do other things, such as adjust the normal based on a normal map.
@@ -42,7 +38,7 @@ fn fragment(
     );
     while (clustered::clustered_decal_iterator_next(&decal_iterator)) {
         var decal_base_color = textureSampleLevel(
-            mesh_view_bindings::clustered_decal_textures[decal_iterator.texture_index],
+            mesh_view_bindings::clustered_decal_textures[decal_iterator.base_color_texture_index],
             mesh_view_bindings::clustered_decal_sampler,
             decal_iterator.uv,
             0.0

assets/shaders/fullscreen_effect.wgsl

@@ -0,0 +1,50 @@
+// This shader computes the chromatic aberration effect
+
+// Since post processing is a fullscreen effect, we use the fullscreen vertex shader provided by bevy.
+// This will import a vertex shader that renders a single fullscreen triangle.
+//
+// A fullscreen triangle is a single triangle that covers the entire screen.
+// The box in the top left in that diagram is the screen. The 4 x are the corner of the screen
+//
+// Y axis
+//  1 |  x-----x......
+//  0 |  |  s  |  . ´
+// -1 |  x_____x´
+// -2 |  :  .´
+// -3 |  :´
+//    +---------------  X axis
+//      -1  0  1  2  3
+//
+// As you can see, the triangle ends up bigger than the screen.
+//
+// You don't need to worry about this too much since bevy will compute the correct UVs for you.
+#import bevy_core_pipeline::fullscreen_vertex_shader::FullscreenVertexOutput
+
+@group(0) @binding(0) var screen_texture: texture_2d<f32>;
+@group(0) @binding(1) var texture_sampler: sampler;
+
+struct FullScreenEffect {
+    intensity: f32,
+#ifdef SIXTEEN_BYTE_ALIGNMENT
+    // WebGL2 structs must be 16 byte aligned.
+    _webgl2_padding: vec3<f32>
+#endif
+}
+
+@group(0) @binding(2) var<uniform> settings: FullScreenEffect;
+
+@fragment
+fn fragment(in: FullscreenVertexOutput) -> @location(0) vec4<f32> {
+    // Chromatic aberration strength
+    let offset_strength = settings.intensity;
+
+    // Sample each color channel with an arbitrary shift
+    return vec4<f32>(
+        textureSample(screen_texture, texture_sampler, in.uv + vec2<f32>(offset_strength, -offset_strength)).r,
+        textureSample(screen_texture, texture_sampler, in.uv + vec2<f32>(-offset_strength, 0.0)).g,
+        textureSample(screen_texture, texture_sampler, in.uv + vec2<f32>(0.0, offset_strength)).b,
+        1.0
+    );
+}
+
+