[wgpu-hal] Inline RayQuery Support (#3507)

Co-authored-by: JMS55 <[email protected]>
Co-authored-by: Ashley Ruglys <[email protected]>
Co-authored-by: Connor Fitzgerald <[email protected]>

Author: 4 people

CHANGELOG.md

@@ -715,6 +715,20 @@ By @cwfitzgerald in [#3671](https://github.com/gfx-rs/wgpu/pull/3671).
 - 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)
 - On Web, `Instance::create_surface_from_canvas()` and `create_surface_from_offscreen_canvas()` now take the canvas by value. By @daxpedda in [#3690](https://github.com/gfx-rs/wgpu/pull/3690)
 
+### 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

Cargo.lock

@@ -341,6 +341,7 @@ impl BindingTypeMaxCountValidator {
             wgt::BindingType::StorageTexture { .. } => {
                 self.storage_textures.add(binding.visibility, count);
             }
+            wgt::BindingType::AccelerationStructure => todo!(),
         }
     }
 

wgpu-core/src/binding_model.rs

@@ -1642,6 +1642,7 @@ impl<A: HalApi> Device<A> {
                         },
                     )
                 }
+                Bt::AccelerationStructure => todo!(),
             };
 
             // Validate the count parameter
@@ -2136,6 +2137,7 @@ impl<A: HalApi> Device<A> {
             buffers: &hal_buffers,
             samplers: &hal_samplers,
             textures: &hal_textures,
+            acceleration_structures: &[],
         };
         let raw = unsafe {
             self.raw

wgpu-core/src/device/resource.rs

@@ -169,6 +169,7 @@ features = ["wgsl-in"]
 [dev-dependencies]
 cfg-if = "1"
 env_logger = "0.10"
+glam = "0.24.2" # for ray-traced-triangle example
 winit = { version = "0.29.4", features = [
     "android-native-activity",
 ] } # for "halmark" example

wgpu-hal/Cargo.toml

@@ -442,6 +442,7 @@ impl<A: hal::Api> Example<A> {
                 buffers: &[global_buffer_binding],
                 samplers: &[&sampler],
                 textures: &[texture_binding],
+                acceleration_structures: &[],
                 entries: &[
                     hal::BindGroupEntry {
                         binding: 0,
@@ -475,6 +476,7 @@ impl<A: hal::Api> Example<A> {
                 buffers: &[local_buffer_binding],
                 samplers: &[],
                 textures: &[],
+                acceleration_structures: &[],
                 entries: &[hal::BindGroupEntry {
                     binding: 0,
                     resource_index: 0,