Merge pull request #3175 from cart/merge-renderer

Merge New Renderer

Author: cart

Cargo.toml

@@ -13,14 +13,18 @@ repository = "https://github.com/bevyengine/bevy"
 
 [workspace]
 exclude = ["benches", "crates/bevy_ecs_compile_fail_tests"]
-members = ["crates/*", "examples/ios", "tools/ci", "errors"]
+members = ["crates/*", "pipelined/*", "examples/ios", "tools/ci", "errors"]
 
 [features]
 default = [
   "bevy_audio",
+  "bevy_core_pipeline",
   "bevy_gilrs",
-  "bevy_gltf",
+  "bevy_gltf2",
   "bevy_wgpu",
+  "bevy_sprite2",
+  "bevy_render2",
+  "bevy_pbr2",
   "bevy_winit",
   "render",
   "png",
@@ -50,6 +54,12 @@ bevy_gltf = ["bevy_internal/bevy_gltf"]
 bevy_wgpu = ["bevy_internal/bevy_wgpu"]
 bevy_winit = ["bevy_internal/bevy_winit"]
 
+bevy_core_pipeline = ["bevy_internal/bevy_core_pipeline"]
+bevy_render2 = ["bevy_internal/bevy_render2"]
+bevy_sprite2 = ["bevy_internal/bevy_sprite2"]
+bevy_pbr2 = ["bevy_internal/bevy_pbr2"]
+bevy_gltf2 = ["bevy_internal/bevy_gltf2"]
+
 trace_chrome = ["bevy_internal/trace_chrome"]
 trace_tracy = ["bevy_internal/trace_tracy"]
 trace = ["bevy_internal/trace"]
@@ -95,6 +105,7 @@ ron = "0.6.2"
 serde = { version = "1", features = ["derive"] }
 # Needed to poll Task examples
 futures-lite = "1.11.3"
+crevice = { path = "crates/crevice", version = "0.8.0", features = ["glam"] }
 
 [[example]]
 name = "hello_world"
@@ -133,23 +144,51 @@ path = "examples/2d/text2d.rs"
 name = "texture_atlas"
 path = "examples/2d/texture_atlas.rs"
 
+[[example]]
+name = "pipelined_texture_atlas"
+path = "examples/2d/pipelined_texture_atlas.rs"
+
 # 3D Rendering
 [[example]]
 name = "3d_scene"
 path = "examples/3d/3d_scene.rs"
 
+[[example]]
+name = "3d_scene_pipelined"
+path = "examples/3d/3d_scene_pipelined.rs"
+
+[[example]]
+name = "many_cubes_pipelined"
+path = "examples/3d/many_cubes_pipelined.rs"
+
+[[example]]
+name = "cornell_box_pipelined"
+path = "examples/3d/cornell_box_pipelined.rs"
+
 [[example]]
 name = "load_gltf"
 path = "examples/3d/load_gltf.rs"
 
+[[example]]
+name = "load_gltf_pipelined"
+path = "examples/3d/load_gltf_pipelined.rs"
+
 [[example]]
 name = "msaa"
 path = "examples/3d/msaa.rs"
 
+[[example]]
+name = "msaa_pipelined"
+path = "examples/3d/msaa_pipelined.rs"
+
 [[example]]
 name = "orthographic"
 path = "examples/3d/orthographic.rs"
 
+[[example]]
+name = "orthographic_pipelined"
+path = "examples/3d/orthographic_pipelined.rs"
+
 [[example]]
 name = "parenting"
 path = "examples/3d/parenting.rs"
@@ -158,10 +197,22 @@ path = "examples/3d/parenting.rs"
 name = "pbr"
 path = "examples/3d/pbr.rs"
 
+[[example]]
+name = "pbr_pipelined"
+path = "examples/3d/pbr_pipelined.rs"
+
 [[example]]
 name = "render_to_texture"
 path = "examples/3d/render_to_texture.rs"
 
+[[example]]
+name = "shadow_biases_pipelined"
+path = "examples/3d/shadow_biases_pipelined.rs"
+
+[[example]]
+name = "shadow_caster_receiver_pipelined"
+path = "examples/3d/shadow_caster_receiver_pipelined.rs"
+
 [[example]]
 name = "spawner"
 path = "examples/3d/spawner.rs"
@@ -170,6 +221,10 @@ path = "examples/3d/spawner.rs"
 name = "texture"
 path = "examples/3d/texture.rs"
 
+[[example]]
+name = "texture_pipelined"
+path = "examples/3d/texture_pipelined.rs"
+
 [[example]]
 name = "update_gltf_scene"
 path = "examples/3d/update_gltf_scene.rs"
@@ -413,11 +468,23 @@ path = "examples/shader/shader_custom_material.rs"
 name = "shader_defs"
 path = "examples/shader/shader_defs.rs"
 
+[[example]]
+name = "custom_shader_pipelined"
+path = "examples/shader/custom_shader_pipelined.rs"
+
+[[example]]
+name = "shader_defs_pipelined"
+path = "examples/shader/shader_defs_pipelined.rs"
+
 # Tools
 [[example]]
 name = "bevymark"
 path = "examples/tools/bevymark.rs"
 
+[[example]]
+name = "bevymark_pipelined"
+path = "examples/tools/bevymark_pipelined.rs"
+
 # UI (User Interface)
 [[example]]
 name = "button"
@@ -444,6 +511,10 @@ path = "examples/ui/ui.rs"
 name = "clear_color"
 path = "examples/window/clear_color.rs"
 
+[[example]]
+name = "clear_color_pipelined"
+path = "examples/window/clear_color_pipelined.rs"
+
 [[example]]
 name = "multiple_windows"
 path = "examples/window/multiple_windows.rs"

assets/shaders/custom_material.wgsl

@@ -0,0 +1,11 @@
+[[block]]
+struct CustomMaterial {
+    color: vec4<f32>;
+};
+[[group(1), binding(0)]]
+var<uniform> material: CustomMaterial;
+
+[[stage(fragment)]]
+fn fragment() -> [[location(0)]] vec4<f32> {
+    return material.color;
+}

assets/shaders/shader_defs.wgsl

@@ -0,0 +1,33 @@
+#import bevy_pbr::mesh_view_bind_group
+#import bevy_pbr::mesh_struct
+
+[[group(1), binding(0)]]
+var<uniform> mesh: Mesh;
+
+struct Vertex {
+    [[location(0)]] position: vec3<f32>;
+    [[location(1)]] normal: vec3<f32>;
+    [[location(2)]] uv: vec2<f32>;
+};
+
+struct VertexOutput {
+    [[builtin(position)]] clip_position: vec4<f32>;
+};
+
+[[stage(vertex)]]
+fn vertex(vertex: Vertex) -> VertexOutput {
+    let world_position = mesh.model * vec4<f32>(vertex.position, 1.0);
+
+    var out: VertexOutput;
+    out.clip_position = view.view_proj * world_position;
+    return out;
+}
+
+[[stage(fragment)]]
+fn fragment() -> [[location(0)]] vec4<f32> {
+    var color = vec4<f32>(0.0, 0.0, 1.0, 1.0);
+# ifdef IS_RED 
+    color = vec4<f32>(1.0, 0.0, 0.0, 1.0);
+# endif
+    return color;
+}

crates/bevy_app/src/app.rs

@@ -1,4 +1,5 @@
 use crate::{CoreStage, Events, Plugin, PluginGroup, PluginGroupBuilder, StartupStage};
+pub use bevy_derive::AppLabel;
 use bevy_ecs::{
     prelude::{FromWorld, IntoExclusiveSystem},
     schedule::{
@@ -8,12 +9,14 @@ use bevy_ecs::{
     system::Resource,
     world::World,
 };
-use bevy_utils::tracing::debug;
+use bevy_utils::{tracing::debug, HashMap};
 use std::fmt::Debug;
 
 #[cfg(feature = "trace")]
 use bevy_utils::tracing::info_span;
 
+bevy_utils::define_label!(AppLabel);
+
 #[allow(clippy::needless_doctest_main)]
 /// Containers of app logic and data
 ///
@@ -42,6 +45,12 @@ pub struct App {
     pub world: World,
     pub runner: Box<dyn Fn(App)>,
     pub schedule: Schedule,
+    sub_apps: HashMap<Box<dyn AppLabel>, SubApp>,
+}
+
+struct SubApp {
+    app: App,
+    runner: Box<dyn Fn(&mut World, &mut App)>,
 }
 
 impl Default for App {
@@ -73,6 +82,7 @@ impl App {
             world: Default::default(),
             schedule: Default::default(),
             runner: Box::new(run_once),
+            sub_apps: HashMap::default(),
         }
     }
 
@@ -85,6 +95,9 @@ impl App {
         #[cfg(feature = "trace")]
         let _bevy_frame_update_guard = bevy_frame_update_span.enter();
         self.schedule.run(&mut self.world);
+        for sub_app in self.sub_apps.values_mut() {
+            (sub_app.runner)(&mut self.world, &mut sub_app.app);
+        }
     }
 
     /// Starts the application by calling the app's [runner function](Self::set_runner).
@@ -823,6 +836,39 @@ impl App {
         }
         self
     }
+
+    pub fn add_sub_app(
+        &mut self,
+        label: impl AppLabel,
+        app: App,
+        f: impl Fn(&mut World, &mut App) + 'static,
+    ) -> &mut Self {
+        self.sub_apps.insert(
+            Box::new(label),
+            SubApp {
+                app,
+                runner: Box::new(f),
+            },
+        );
+        self
+    }
+
+    /// Retrieves a "sub app" stored inside this [App]. This will panic if the sub app does not exist.
+    pub fn sub_app(&mut self, label: impl AppLabel) -> &mut App {
+        match self.get_sub_app(label) {
+            Ok(app) => app,
+            Err(label) => panic!("Sub-App with label '{:?}' does not exist", label),
+        }
+    }
+
+    /// Retrieves a "sub app" inside this [App] with the given label, if it exists. Otherwise returns
+    /// an [Err] containing the given label.
+    pub fn get_sub_app(&mut self, label: impl AppLabel) -> Result<&mut App, impl AppLabel> {
+        self.sub_apps
+            .get_mut((&label) as &dyn AppLabel)
+            .map(|sub_app| &mut sub_app.app)
+            .ok_or(label)
+    }
 }
 
 fn run_once(mut app: App) {

crates/bevy_app/src/ci_testing.rs

@@ -22,16 +22,15 @@ fn ci_testing_exit_after(
     *current_frame += 1;
 }
 
-pub(crate) fn setup_app(app_builder: &mut App) -> &mut App {
+pub(crate) fn setup_app(app: &mut App) -> &mut App {
     let filename =
         std::env::var("CI_TESTING_CONFIG").unwrap_or_else(|_| "ci_testing_config.ron".to_string());
     let config: CiTestingConfig = ron::from_str(
         &std::fs::read_to_string(filename).expect("error reading CI testing configuration file"),
     )
     .expect("error deserializing CI testing configuration file");
-    app_builder
-        .insert_resource(config)
+    app.insert_resource(config)
         .add_system(ci_testing_exit_after);
 
-    app_builder
+    app
 }

crates/bevy_asset/src/handle.rs

@@ -96,6 +96,7 @@ impl<T: Asset> Handle<T> {
         }
     }
 
+    #[inline]
     pub fn weak(id: HandleId) -> Self {
         Self {
             id,
@@ -129,6 +130,7 @@ impl<T: Asset> Handle<T> {
         self.handle_type = HandleType::Strong(sender);
     }
 
+    #[inline]
     pub fn clone_weak(&self) -> Self {
         Handle::weak(self.id)
     }

crates/bevy_asset/src/loader.rs

@@ -43,13 +43,19 @@ impl<T: Asset> LoadedAsset<T> {
         }
     }
 
-    pub fn with_dependency(mut self, asset_path: AssetPath) -> Self {
+    pub fn add_dependency(&mut self, asset_path: AssetPath) {
         self.dependencies.push(asset_path.to_owned());
+    }
+
+    pub fn with_dependency(mut self, asset_path: AssetPath) -> Self {
+        self.add_dependency(asset_path);
         self
     }
 
-    pub fn with_dependencies(mut self, asset_paths: Vec<AssetPath<'static>>) -> Self {
-        self.dependencies.extend(asset_paths);
+    pub fn with_dependencies(mut self, mut asset_paths: Vec<AssetPath<'static>>) -> Self {
+        for asset_path in asset_paths.drain(..) {
+            self.add_dependency(asset_path);
+        }
         self
     }
 }

crates/bevy_derive/src/lib.rs

@@ -9,7 +9,9 @@ mod render_resource;
 mod render_resources;
 mod shader_defs;
 
+use bevy_macro_utils::{derive_label, BevyManifest};
 use proc_macro::TokenStream;
+use quote::format_ident;
 
 /// Derives the Bytes trait. Each field must also implements Bytes or this will fail.
 #[proc_macro_derive(Bytes)]
@@ -52,3 +54,11 @@ pub fn bevy_main(attr: TokenStream, item: TokenStream) -> TokenStream {
 pub fn derive_enum_variant_meta(input: TokenStream) -> TokenStream {
     enum_variant_meta::derive_enum_variant_meta(input)
 }
+
+#[proc_macro_derive(AppLabel)]
+pub fn derive_app_label(input: TokenStream) -> TokenStream {
+    let input = syn::parse_macro_input!(input as syn::DeriveInput);
+    let mut trait_path = BevyManifest::default().get_path("bevy_app");
+    trait_path.segments.push(format_ident!("AppLabel").into());
+    derive_label(input, trait_path)
+}