[wgpu-hal] Initial Vulkan ray tracing pipeline support

CHANGELOG.md

@@ -88,6 +88,20 @@ By @teoxoy in [#3534](https://github.com/gfx-rs/wgpu/pull/3534)
 - All `fxhash` dependencies have been replaced with `rustc-hash`. By @james7132 in [#3502](https://github.com/gfx-rs/wgpu/pull/3502)
 - Change type of `bytes_per_row` and `rows_per_image` (members of `ImageDataLayout`) from `Option<NonZeroU32>` to `Option<u32>`. By @teoxoy in [#3529](https://github.com/gfx-rs/wgpu/pull/3529)
 
+### Added/New Features
+
+#### General
+- Added feature flags for ray-tracing (currently only hal): `RAY_QUERY` and `RAY_TRACING` @daniel-keitel (started by @expenses) in [#3507](https://github.com/gfx-rs/wgpu/pull/3507)
+
+#### Vulkan
+
+- Implemented basic ray-tracing api for acceleration structures, and ray-queries @daniel-keitel (started by @expenses) in [#3507](https://github.com/gfx-rs/wgpu/pull/3507)
+
+#### Hal 
+
+- Added basic ray-tracing api for acceleration structures, and ray-queries @daniel-keitel (started by @expenses) in [#3507](https://github.com/gfx-rs/wgpu/pull/3507)
+
+
 ### Changes
 
 #### General

wgpu-core/src/binding_model.rs

@@ -330,6 +330,7 @@ impl BindingTypeMaxCountValidator {
             wgt::BindingType::StorageTexture { .. } => {
                 self.storage_textures.add(binding.visibility, count);
             }
+            wgt::BindingType::AccelerationStructure => todo!(),
         }
     }
 

wgpu-core/src/device/mod.rs

@@ -1716,6 +1716,7 @@ impl<A: HalApi> Device<A> {
                         },
                     )
                 }
+                Bt::AccelerationStructure => todo!(),
             };
 
             // Validate the count parameter
@@ -2202,6 +2203,7 @@ impl<A: HalApi> Device<A> {
             buffers: &hal_buffers,
             samplers: &hal_samplers,
             textures: &hal_textures,
+            acceleration_structures: &[],
         };
         let raw = unsafe {
             self.raw

wgpu-hal/Cargo.toml

@@ -131,8 +131,9 @@ version = "0.11.0"
 features = ["wgsl-in"]
 
 [dev-dependencies]
+winit = "0.27.1"     # for "halmark" example
 env_logger = "0.10"
-winit = "0.27.1"   # for "halmark" example
+glam = "0.21.3" # for ray-traced-triangle example  # for "halmark" example
 
 [target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
 glutin = "0.29.1" # for "gles" example

wgpu-hal/examples/halmark/main.rs

@@ -432,6 +432,7 @@ impl<A: hal::Api> Example<A> {
                 buffers: &[global_buffer_binding],
                 samplers: &[&sampler],
                 textures: &[texture_binding],
+                acceleration_structures: &[],
                 entries: &[
                     hal::BindGroupEntry {
                         binding: 0,
@@ -465,6 +466,7 @@ impl<A: hal::Api> Example<A> {
                 buffers: &[local_buffer_binding],
                 samplers: &[],
                 textures: &[],
+                acceleration_structures: &[],
                 entries: &[hal::BindGroupEntry {
                     binding: 0,
                     resource_index: 0,