Initial raytraced lighting progress (bevy_solari)

Cargo.toml

@@ -245,6 +245,15 @@ bevy_render = ["bevy_internal/bevy_render", "bevy_color"]
 # Provides scene functionality
 bevy_scene = ["bevy_internal/bevy_scene", "bevy_asset"]
 
+# Provides raytraced lighting (do not use, not yet ready for users)
+bevy_solari = [
+  "bevy_internal/bevy_solari",
+  "bevy_asset",
+  "bevy_core_pipeline",
+  "bevy_pbr",
+  "bevy_render",
+]
+
 # Provides sprite functionality
 bevy_sprite = [
   "bevy_internal/bevy_sprite",
@@ -1245,6 +1254,18 @@ description = "Load a cubemap texture onto a cube like a skybox and cycle throug
 category = "3D Rendering"
 wasm = false
 
+[[example]]
+name = "solari"
+path = "examples/3d/solari.rs"
+doc-scrape-examples = true
+required-features = ["bevy_solari"]
+
+[package.metadata.example.solari]
+name = "Solari"
+description = "Demonstrates realtime dynamic global illumination rendering using Bevy Solari."
+category = "3D Rendering"
+wasm = false
+
 [[example]]
 name = "spherical_area_lights"
 path = "examples/3d/spherical_area_lights.rs"
@@ -4361,3 +4382,6 @@ name = "Extended Bindless Material"
 description = "Demonstrates bindless `ExtendedMaterial`"
 category = "Shaders"
 wasm = false
+
+[patch.crates-io]
+naga_oil = { git = "https://github.com/JMS55/naga_oil", rev = "82476f83023da017be4963eaafc0f7b30e811bc3" }

crates/bevy_internal/Cargo.toml

@@ -414,6 +414,7 @@ bevy_picking = { path = "../bevy_picking", optional = true, version = "0.16.0-de
 bevy_remote = { path = "../bevy_remote", optional = true, version = "0.16.0-dev" }
 bevy_render = { path = "../bevy_render", optional = true, version = "0.16.0-dev" }
 bevy_scene = { path = "../bevy_scene", optional = true, version = "0.16.0-dev" }
+bevy_solari = { path = "../bevy_solari", optional = true, version = "0.16.0-dev" }
 bevy_sprite = { path = "../bevy_sprite", optional = true, version = "0.16.0-dev" }
 bevy_state = { path = "../bevy_state", optional = true, version = "0.16.0-dev", default-features = false, features = [
   "bevy_app",

crates/bevy_internal/src/lib.rs

@@ -60,6 +60,8 @@ pub use bevy_remote as remote;
 pub use bevy_render as render;
 #[cfg(feature = "bevy_scene")]
 pub use bevy_scene as scene;
+#[cfg(feature = "bevy_solari")]
+pub use bevy_solari as solari;
 #[cfg(feature = "bevy_sprite")]
 pub use bevy_sprite as sprite;
 #[cfg(feature = "bevy_state")]

crates/bevy_mesh/src/mesh.rs

@@ -119,6 +119,18 @@ pub struct Mesh {
     morph_targets: Option<Handle<Image>>,
     morph_target_names: Option<Vec<String>>,
     pub asset_usage: RenderAssetUsages,
+    /// Whether or not to build a BLAS for use with bevy_solari raytracing.
+    ///
+    /// Note that this is _not_ whether the mesh is _compatible_ with bevy_solari raytracing.
+    /// This field just controls whether or not a BLAS gets built for this mesh, assuming that
+    /// the mesh is compatible.
+    ///
+    /// The use case for this field is setting it to true for low resolution proxy meshes you want to use for raytracing,
+    /// and false for higher resolution versions of the mesh that you want to use for raster.
+    ///
+    /// Does nothing if not used with bevy_solari, or if the mesh is not compatible
+    /// with bevy_solari (see bevy_solari's docs).
+    pub enable_raytracing: bool,
 }
 
 impl Mesh {
@@ -203,6 +215,7 @@ impl Mesh {
             morph_targets: None,
             morph_target_names: None,
             asset_usage,
+            enable_raytracing: true,
         }
     }
 

crates/bevy_render/src/camera/camera.rs

@@ -1064,6 +1064,7 @@ pub fn camera_system(
 #[reflect(opaque)]
 #[reflect(Component, Default, Clone)]
 pub struct CameraMainTextureUsages(pub TextureUsages);
+
 impl Default for CameraMainTextureUsages {
     fn default() -> Self {
         Self(
@@ -1074,6 +1075,13 @@ impl Default for CameraMainTextureUsages {
     }
 }
 
+impl CameraMainTextureUsages {
+    pub fn with(mut self, usages: TextureUsages) -> Self {
+        self.0 |= usages;
+        self
+    }
+}
+
 #[derive(Component, Debug)]
 pub struct ExtractedCamera {
     pub target: Option<NormalizedRenderTarget>,

crates/bevy_render/src/mesh/allocator.rs

@@ -78,6 +78,9 @@ pub struct MeshAllocator {
     /// WebGL 2. On this platform, we must give each vertex array its own
     /// buffer, because we can't adjust the first vertex when we perform a draw.
     general_vertex_slabs_supported: bool,
+
+    /// Additional buffer usages to add to any vertex or index buffers created.
+    pub extra_buffer_usages: BufferUsages,
 }
 
 /// Tunable parameters that customize the behavior of the allocator.
@@ -348,6 +351,7 @@ impl FromWorld for MeshAllocator {
             mesh_id_to_index_slab: HashMap::default(),
             next_slab_id: default(),
             general_vertex_slabs_supported,
+            extra_buffer_usages: BufferUsages::empty(),
         }
     }
 }
@@ -598,7 +602,7 @@ impl MeshAllocator {
                         buffer_usages_to_str(buffer_usages)
                     )),
                     size: len as u64,
-                    usage: buffer_usages | BufferUsages::COPY_DST,
+                    usage: buffer_usages | BufferUsages::COPY_DST | self.extra_buffer_usages,
                     mapped_at_creation: true,
                 });
                 {
@@ -835,7 +839,7 @@ impl MeshAllocator {
                 buffer_usages_to_str(buffer_usages)
             )),
             size: slab.current_slot_capacity as u64 * slab.element_layout.slot_size(),
-            usage: buffer_usages,
+            usage: buffer_usages | self.extra_buffer_usages,
             mapped_at_creation: false,
         });
 

crates/bevy_render/src/render_resource/bind_group_entries.rs

@@ -147,6 +147,13 @@ impl<'a> IntoBinding<'a> for &'a TextureView {
     }
 }
 
+impl<'a> IntoBinding<'a> for &'a wgpu::TextureView {
+    #[inline]
+    fn into_binding(self) -> BindingResource<'a> {
+        BindingResource::TextureView(self)
+    }
+}
+
 impl<'a> IntoBinding<'a> for &'a [&'a wgpu::TextureView] {
     #[inline]
     fn into_binding(self) -> BindingResource<'a> {
@@ -161,6 +168,13 @@ impl<'a> IntoBinding<'a> for &'a Sampler {
     }
 }
 
+impl<'a> IntoBinding<'a> for &'a [&'a wgpu::Sampler] {
+    #[inline]
+    fn into_binding(self) -> BindingResource<'a> {
+        BindingResource::SamplerArray(self)
+    }
+}
+
 impl<'a> IntoBinding<'a> for BindingResource<'a> {
     #[inline]
     fn into_binding(self) -> BindingResource<'a> {
@@ -175,6 +189,13 @@ impl<'a> IntoBinding<'a> for wgpu::BufferBinding<'a> {
     }
 }
 
+impl<'a> IntoBinding<'a> for &'a [wgpu::BufferBinding<'a>] {
+    #[inline]
+    fn into_binding(self) -> BindingResource<'a> {
+        BindingResource::BufferArray(self)
+    }
+}
+
 pub trait IntoBindingArray<'b, const N: usize> {
     fn into_array(self) -> [BindingResource<'b>; N];
 }

crates/bevy_render/src/render_resource/mod.rs

@@ -38,27 +38,31 @@ pub use wgpu::{
         BufferInitDescriptor, DispatchIndirectArgs, DrawIndexedIndirectArgs, DrawIndirectArgs,
         TextureDataOrder,
     },
-    AdapterInfo as WgpuAdapterInfo, AddressMode, AstcBlock, AstcChannel, BindGroupDescriptor,
-    BindGroupEntry, BindGroupLayoutDescriptor, BindGroupLayoutEntry, BindingResource, BindingType,
+    AccelerationStructureFlags, AccelerationStructureGeometryFlags,
+    AccelerationStructureUpdateMode, AdapterInfo as WgpuAdapterInfo, AddressMode, AstcBlock,
+    AstcChannel, BindGroupDescriptor, BindGroupEntry, BindGroupLayoutDescriptor,
+    BindGroupLayoutEntry, BindingResource, BindingType, Blas, BlasBuildEntry, BlasGeometries,
+    BlasGeometrySizeDescriptors, BlasTriangleGeometry, BlasTriangleGeometrySizeDescriptor,
     BlendComponent, BlendFactor, BlendOperation, BlendState, BufferAddress, BufferAsyncError,
     BufferBinding, BufferBindingType, BufferDescriptor, BufferSize, BufferUsages, ColorTargetState,
     ColorWrites, CommandEncoder, CommandEncoderDescriptor, CompareFunction, ComputePass,
     ComputePassDescriptor, ComputePipelineDescriptor as RawComputePipelineDescriptor,
-    DepthBiasState, DepthStencilState, DownlevelFlags, Extent3d, Face, Features as WgpuFeatures,
-    FilterMode, FragmentState as RawFragmentState, FrontFace, ImageSubresourceRange, IndexFormat,
-    Limits as WgpuLimits, LoadOp, Maintain, MapMode, MultisampleState, Operations, Origin3d,
-    PipelineCompilationOptions, PipelineLayout, PipelineLayoutDescriptor, PolygonMode,
-    PrimitiveState, PrimitiveTopology, PushConstantRange, RenderPassColorAttachment,
-    RenderPassDepthStencilAttachment, RenderPassDescriptor,
+    CreateBlasDescriptor, CreateTlasDescriptor, DepthBiasState, DepthStencilState, DownlevelFlags,
+    Extent3d, Face, Features as WgpuFeatures, FilterMode, FragmentState as RawFragmentState,
+    FrontFace, ImageSubresourceRange, IndexFormat, Limits as WgpuLimits, LoadOp, Maintain, MapMode,
+    MultisampleState, Operations, Origin3d, PipelineCompilationOptions, PipelineLayout,
+    PipelineLayoutDescriptor, PolygonMode, PrimitiveState, PrimitiveTopology, PushConstantRange,
+    RenderPassColorAttachment, RenderPassDepthStencilAttachment, RenderPassDescriptor,
     RenderPipelineDescriptor as RawRenderPipelineDescriptor, Sampler as WgpuSampler,
     SamplerBindingType, SamplerBindingType as WgpuSamplerBindingType, SamplerDescriptor,
     ShaderModule, ShaderModuleDescriptor, ShaderSource, ShaderStages, StencilFaceState,
     StencilOperation, StencilState, StorageTextureAccess, StoreOp, TexelCopyBufferInfo,
     TexelCopyBufferLayout, TexelCopyTextureInfo, TextureAspect, TextureDescriptor,
     TextureDimension, TextureFormat, TextureFormatFeatureFlags, TextureFormatFeatures,
     TextureSampleType, TextureUsages, TextureView as WgpuTextureView, TextureViewDescriptor,
-    TextureViewDimension, VertexAttribute, VertexBufferLayout as RawVertexBufferLayout,
-    VertexFormat, VertexState as RawVertexState, VertexStepMode, COPY_BUFFER_ALIGNMENT,
+    TextureViewDimension, Tlas, TlasInstance, TlasPackage, VertexAttribute,
+    VertexBufferLayout as RawVertexBufferLayout, VertexFormat, VertexState as RawVertexState,
+    VertexStepMode, COPY_BUFFER_ALIGNMENT,
 };
 
 pub use crate::mesh::VertexBufferLayout;

crates/bevy_render/src/render_resource/pipeline_cache.rs

@@ -1197,6 +1197,10 @@ fn get_capabilities(features: Features, downlevel: DownlevelFlags) -> Capabiliti
         Capabilities::MULTISAMPLED_SHADING,
         downlevel.contains(DownlevelFlags::MULTISAMPLED_SHADING),
     );
+    capabilities.set(
+        Capabilities::RAY_QUERY,
+        features.contains(Features::EXPERIMENTAL_RAY_QUERY),
+    );
     capabilities.set(
         Capabilities::DUAL_SOURCE_BLENDING,
         features.contains(Features::DUAL_SOURCE_BLENDING),

crates/bevy_render/src/renderer/mod.rs

@@ -219,12 +219,6 @@ pub async fn initialize_renderer(
             features -= wgpu::Features::MAPPABLE_PRIMARY_BUFFERS;
         }
 
-        // RAY_QUERY and RAY_TRACING_ACCELERATION STRUCTURE will sometimes cause DeviceLost failures on platforms
-        // that report them as supported:
-        // <https://github.com/gfx-rs/wgpu/issues/5488>
-        features -= wgpu::Features::EXPERIMENTAL_RAY_QUERY;
-        features -= wgpu::Features::EXPERIMENTAL_RAY_TRACING_ACCELERATION_STRUCTURE;
-
         limits = adapter.limits();
     }
 

crates/bevy_solari/Cargo.toml

@@ -0,0 +1,38 @@
+[package]
+name = "bevy_solari"
+version = "0.16.0-dev"
+edition = "2024"
+description = "Provides raytraced lighting for Bevy Engine"
+homepage = "https://bevyengine.org"
+repository = "https://github.com/bevyengine/bevy"
+license = "MIT OR Apache-2.0"
+keywords = ["bevy"]
+
+[dependencies]
+# bevy
+bevy_app = { path = "../bevy_app", version = "0.16.0-dev" }
+bevy_asset = { path = "../bevy_asset", version = "0.16.0-dev" }
+bevy_color = { path = "../bevy_color", version = "0.16.0-dev" }
+bevy_core_pipeline = { path = "../bevy_core_pipeline", version = "0.16.0-dev" }
+bevy_derive = { path = "../bevy_derive", version = "0.16.0-dev" }
+bevy_ecs = { path = "../bevy_ecs", version = "0.16.0-dev" }
+bevy_math = { path = "../bevy_math", version = "0.16.0-dev" }
+bevy_mesh = { path = "../bevy_mesh", version = "0.16.0-dev" }
+bevy_pbr = { path = "../bevy_pbr", version = "0.16.0-dev" } # TODO: Ideally remove this dependency
+bevy_platform = { path = "../bevy_platform", version = "0.16.0-dev", default-features = false, features = [
+    "std",
+] }
+bevy_reflect = { path = "../bevy_reflect", version = "0.16.0-dev" }
+bevy_render = { path = "../bevy_render", version = "0.16.0-dev" }
+bevy_transform = { path = "../bevy_transform", version = "0.16.0-dev" }
+
+# other
+tracing = { version = "0.1", default-features = false, features = ["std"] }
+derive_more = { version = "1", default-features = false, features = ["from"] }
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+rustdoc-args = ["-Zunstable-options", "--generate-link-to-definition"]
+all-features = true