[wgpu-hal] Upgrade to ash 0.38

https://github.com/ash-rs/ash/releases/tag/0.38.0 In this release a lot of breaking changes have been made: builder structs are dropped in favour of always having a lifetime parameter available on every raw Vulkan structure (when they contain one or more pointers). This massively contributes to lifetime (and mutable aliasing) safety, but requires significant changes to some uses in `wgpu-hal`. All function pointer loaders for both Vulkan core and extensions have moved into the root of `ash::`, making `ash::vk::` a more pure `sys`-like module. Extensions have their own `ash::<prefix>::<ext>` module to clearly separate and group their items from the core. Besides `NAME` and the usual `*Fn` wrappers, the handwritten `extensions` module is now only available via this path. This to combat the previous inconsistency between `ash::KhrSomeExtFn::name()` vs `ash::extensions::khr::SomeExt::name()`. The Vulkan core clearly splits functions across `device` and `instance` functions, to keep functions that can be loaded without a dispatch-table for a device via `get_device_proc_addr()` apart from instance functions. This concept has now been applied to extension functions, making it possible to load them optimized for a device too (when the shared table would previously include instance functions and require the whole thing to be loaded via `get_instance_proc_addr()`), and in the rare case of 3 hand-written extension wrappers: load instance functions via `get_device_proc_addr()` resulting in `NULL` pointers. Finally, a few new helpers like `_as_slice()` and `_as_c_str()` are available (the former only for statically-sized struct-owned arrays with a length delimiter field) to simplify commonly written patterns.
gfx-rs · May 2, 2024 · ac2d633 · ac2d633
1 parent fb3b33d
commit ac2d633
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -246,6 +246,7 @@ By @atlv24 and @cwfitzgerald in [#5154](https://github.com/gfx-rs/wgpu/pull/5154
 - Set object labels when the DEBUG flag is set, even if the VALIDATION flag is disabled. By @DJMcNab in [#5345](https://github.com/gfx-rs/wgpu/pull/5345).
 - Add safety check to `wgpu_hal::vulkan::CommandEncoder` to make sure `discard_encoding` is not called in the closed state. By @villuna in [#5557](https://github.com/gfx-rs/wgpu/pull/5557)
 - Fix SPIR-V type capability requests to not depend on `LocalType` caching. By @atlv24 in [#5590](https://github.com/gfx-rs/wgpu/pull/5590)
+- Upgrade `ash` to `0.38`. By @MarijnS95 in [#5504](https://github.com/gfx-rs/wgpu/pull/5504).
 
 #### Tests
 

diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -134,7 +134,7 @@ objc = "0.2.5"
 
 # Vulkan dependencies
 android_system_properties = "0.1.1"
-ash = "0.37.3"
+ash = "0.38.0"
 gpu-alloc = "0.6"
 gpu-descriptor = "0.3"
 

diff --git a/wgpu-hal/Cargo.toml b/wgpu-hal/Cargo.toml
@@ -51,6 +51,7 @@ gles = [
     "khronos-egl",
     "libloading",
     "ndk-sys",
+    "winapi/libloaderapi",
 ]
 dx12 = [
     "naga/hlsl-out",
@@ -114,7 +115,7 @@ version = "0.20.0"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 # backend: Vulkan
-ash = { version = "0.37.3", optional = true }
+ash = { version = "0.38.0", optional = true }
 gpu-alloc = { version = "0.6", optional = true }
 gpu-descriptor = { version = "0.3", optional = true }
 smallvec = { version = "1", optional = true, features = ["union"] }
@@ -142,7 +143,6 @@ glutin_wgl_sys = { version = "0.5", optional = true }
 
 winapi = { version = "0.3", features = [
     "profileapi",
-    "libloaderapi",
     "windef",
     "winuser",
     "dcomp",

diff --git a/wgpu-hal/src/auxil/mod.rs b/wgpu-hal/src/auxil/mod.rs
@@ -115,24 +115,3 @@ impl crate::TextureCopy {
         self.size = self.size.min(&max_src_size).min(&max_dst_size);
     }
 }
-
-/// Construct a `CStr` from a byte slice, up to the first zero byte.
-///
-/// Return a `CStr` extending from the start of `bytes` up to and
-/// including the first zero byte. If there is no zero byte in
-/// `bytes`, return `None`.
-///
-/// This can be removed when `CStr::from_bytes_until_nul` is stabilized.
-/// ([#95027](https://github.com/rust-lang/rust/issues/95027))
-#[allow(dead_code)]
-pub(crate) fn cstr_from_bytes_until_nul(bytes: &[std::os::raw::c_char]) -> Option<&std::ffi::CStr> {
-    if bytes.contains(&0) {
-        // Safety for `CStr::from_ptr`:
-        // - We've ensured that the slice does contain a null terminator.
-        // - The range is valid to read, because the slice covers it.
-        // - The memory won't be changed, because the slice borrows it.
-        unsafe { Some(std::ffi::CStr::from_ptr(bytes.as_ptr())) }
-    } else {
-        None
-    }
-}
diff --git a/wgpu-hal/src/vulkan/adapter.rs b/wgpu-hal/src/vulkan/adapter.rs
diff --git a/wgpu-hal/src/vulkan/command.rs b/wgpu-hal/src/vulkan/command.rs
@@ -1,7 +1,7 @@
 use super::conv;
 
 use arrayvec::ArrayVec;
-use ash::{extensions::ext, vk};
+use ash::vk;
 
 use std::{mem, ops::Range, slice};
 
@@ -39,12 +39,6 @@ impl super::Texture {
     }
 }
 
-impl super::DeviceShared {
-    fn debug_messenger(&self) -> Option<&ext::DebugUtils> {
-        Some(&self.instance.debug_utils.as_ref()?.extension)
-    }
-}
-
 impl super::CommandEncoder {
     fn write_pass_end_timestamp_if_requested(&mut self) {
         if let Some((query_set, index)) = self.end_of_pass_timer_query.take() {
@@ -65,31 +59,23 @@ impl crate::CommandEncoder for super::CommandEncoder {
 
     unsafe fn begin_encoding(&mut self, label: crate::Label) -> Result<(), crate::DeviceError> {
         if self.free.is_empty() {
-            let vk_info = vk::CommandBufferAllocateInfo::builder()
+            let vk_info = vk::CommandBufferAllocateInfo::default()
                 .command_pool(self.raw)
-                .command_buffer_count(ALLOCATION_GRANULARITY)
-                .build();
+                .command_buffer_count(ALLOCATION_GRANULARITY);
             let cmd_buf_vec = unsafe { self.device.raw.allocate_command_buffers(&vk_info)? };
             self.free.extend(cmd_buf_vec);
         }
         let raw = self.free.pop().unwrap();
 
         // Set the name unconditionally, since there might be a
         // previous name assigned to this.
-        unsafe {
-            self.device.set_object_name(
-                vk::ObjectType::COMMAND_BUFFER,
-                raw,
-                label.unwrap_or_default(),
-            )
-        };
+        unsafe { self.device.set_object_name(raw, label.unwrap_or_default()) };
 
         // Reset this in case the last renderpass was never ended.
         self.rpass_debug_marker_active = false;
 
-        let vk_info = vk::CommandBufferBeginInfo::builder()
-            .flags(vk::CommandBufferUsageFlags::ONE_TIME_SUBMIT)
-            .build();
+        let vk_info = vk::CommandBufferBeginInfo::default()
+            .flags(vk::CommandBufferUsageFlags::ONE_TIME_SUBMIT);
         unsafe { self.device.raw.begin_command_buffer(raw, &vk_info) }?;
         self.active = raw;
 
@@ -145,12 +131,11 @@ impl crate::CommandEncoder for super::CommandEncoder {
             dst_stages |= dst_stage;
 
             vk_barriers.push(
-                vk::BufferMemoryBarrier::builder()
+                vk::BufferMemoryBarrier::default()
                     .buffer(bar.buffer.raw)
                     .size(vk::WHOLE_SIZE)
                     .src_access_mask(src_access)
-                    .dst_access_mask(dst_access)
-                    .build(),
+                    .dst_access_mask(dst_access),
             )
         }
 
@@ -192,14 +177,13 @@ impl crate::CommandEncoder for super::CommandEncoder {
             dst_stages |= dst_stage;
 
             vk_barriers.push(
-                vk::ImageMemoryBarrier::builder()
+                vk::ImageMemoryBarrier::default()
                     .image(bar.texture.raw)
                     .subresource_range(range)
                     .src_access_mask(src_access)
                     .dst_access_mask(dst_access)
                     .old_layout(src_layout)
-                    .new_layout(dst_layout)
-                    .build(),
+                    .new_layout(dst_layout),
             );
         }
 
@@ -442,7 +426,7 @@ impl crate::CommandEncoder for super::CommandEncoder {
                 Some(buffer) => ray_tracing_functions
                     .buffer_device_address
                     .get_buffer_device_address(
-                        &vk::BufferDeviceAddressInfo::builder().buffer(buffer.raw),
+                        &vk::BufferDeviceAddressInfo::default().buffer(buffer.raw),
                     ),
                 None => panic!("Buffers are required to build acceleration structures"),
             }
@@ -469,23 +453,24 @@ impl crate::CommandEncoder for super::CommandEncoder {
         for desc in descriptors {
             let (geometries, ranges) = match *desc.entries {
                 crate::AccelerationStructureEntries::Instances(ref instances) => {
-                    let instance_data = vk::AccelerationStructureGeometryInstancesDataKHR::builder(
+                    let instance_data = vk::AccelerationStructureGeometryInstancesDataKHR::default(
+                    // TODO: Code is so large that rustfmt refuses to treat this... :(
                     )
                     .data(vk::DeviceOrHostAddressConstKHR {
                         device_address: get_device_address(instances.buffer),
                     });
 
-                    let geometry = vk::AccelerationStructureGeometryKHR::builder()
+                    let geometry = vk::AccelerationStructureGeometryKHR::default()
                         .geometry_type(vk::GeometryTypeKHR::INSTANCES)
                         .geometry(vk::AccelerationStructureGeometryDataKHR {
-                            instances: *instance_data,
+                            instances: instance_data,
                         });
 
-                    let range = vk::AccelerationStructureBuildRangeInfoKHR::builder()
+                    let range = vk::AccelerationStructureBuildRangeInfoKHR::default()
                         .primitive_count(instances.count)
                         .primitive_offset(instances.offset);
 
-                    (smallvec::smallvec![*geometry], smallvec::smallvec![*range])
+                    (smallvec::smallvec![geometry], smallvec::smallvec![range])
                 }
                 crate::AccelerationStructureEntries::Triangles(ref in_geometries) => {
                     let mut ranges = smallvec::SmallVec::<
@@ -496,15 +481,15 @@ impl crate::CommandEncoder for super::CommandEncoder {
                     >::with_capacity(in_geometries.len());
                     for triangles in in_geometries {
                         let mut triangle_data =
-                            vk::AccelerationStructureGeometryTrianglesDataKHR::builder()
+                            vk::AccelerationStructureGeometryTrianglesDataKHR::default()
                                 .vertex_data(vk::DeviceOrHostAddressConstKHR {
                                     device_address: get_device_address(triangles.vertex_buffer),
                                 })
                                 .vertex_format(conv::map_vertex_format(triangles.vertex_format))
                                 .max_vertex(triangles.vertex_count)
                                 .vertex_stride(triangles.vertex_stride);
 
-                        let mut range = vk::AccelerationStructureBuildRangeInfoKHR::builder();
+                        let mut range = vk::AccelerationStructureBuildRangeInfoKHR::default();
 
                         if let Some(ref indices) = triangles.indices {
                             triangle_data = triangle_data
@@ -528,7 +513,7 @@ impl crate::CommandEncoder for super::CommandEncoder {
                                 ray_tracing_functions
                                     .buffer_device_address
                                     .get_buffer_device_address(
-                                        &vk::BufferDeviceAddressInfo::builder()
+                                        &vk::BufferDeviceAddressInfo::default()
                                             .buffer(transform.buffer.raw),
                                     )
                             };
@@ -540,17 +525,17 @@ impl crate::CommandEncoder for super::CommandEncoder {
                             range = range.transform_offset(transform.offset);
                         }
 
-                        let geometry = vk::AccelerationStructureGeometryKHR::builder()
+                        let geometry = vk::AccelerationStructureGeometryKHR::default()
                             .geometry_type(vk::GeometryTypeKHR::TRIANGLES)
                             .geometry(vk::AccelerationStructureGeometryDataKHR {
-                                triangles: *triangle_data,
+                                triangles: triangle_data,
                             })
                             .flags(conv::map_acceleration_structure_geometry_flags(
                                 triangles.flags,
                             ));
 
-                        geometries.push(*geometry);
-                        ranges.push(*range);
+                        geometries.push(geometry);
+                        ranges.push(range);
                     }
                     (geometries, ranges)
                 }
@@ -562,25 +547,25 @@ impl crate::CommandEncoder for super::CommandEncoder {
                         [vk::AccelerationStructureGeometryKHR; CAPACITY_INNER],
                     >::with_capacity(in_geometries.len());
                     for aabb in in_geometries {
-                        let aabbs_data = vk::AccelerationStructureGeometryAabbsDataKHR::builder()
+                        let aabbs_data = vk::AccelerationStructureGeometryAabbsDataKHR::default()
                             .data(vk::DeviceOrHostAddressConstKHR {
                                 device_address: get_device_address(aabb.buffer),
                             })
                             .stride(aabb.stride);
 
-                        let range = vk::AccelerationStructureBuildRangeInfoKHR::builder()
+                        let range = vk::AccelerationStructureBuildRangeInfoKHR::default()
                             .primitive_count(aabb.count)
                             .primitive_offset(aabb.offset);
 
-                        let geometry = vk::AccelerationStructureGeometryKHR::builder()
+                        let geometry = vk::AccelerationStructureGeometryKHR::default()
                             .geometry_type(vk::GeometryTypeKHR::AABBS)
                             .geometry(vk::AccelerationStructureGeometryDataKHR {
-                                aabbs: *aabbs_data,
+                                aabbs: aabbs_data,
                             })
                             .flags(conv::map_acceleration_structure_geometry_flags(aabb.flags));
 
-                        geometries.push(*geometry);
-                        ranges.push(*range);
+                        geometries.push(geometry);
+                        ranges.push(range);
                     }
                     (geometries, ranges)
                 }
@@ -593,7 +578,7 @@ impl crate::CommandEncoder for super::CommandEncoder {
                 ray_tracing_functions
                     .buffer_device_address
                     .get_buffer_device_address(
-                        &vk::BufferDeviceAddressInfo::builder().buffer(desc.scratch_buffer.raw),
+                        &vk::BufferDeviceAddressInfo::default().buffer(desc.scratch_buffer.raw),
                     )
             };
             let ty = match *desc.entries {
@@ -602,7 +587,7 @@ impl crate::CommandEncoder for super::CommandEncoder {
                 }
                 _ => vk::AccelerationStructureTypeKHR::BOTTOM_LEVEL,
             };
-            let mut geometry_info = vk::AccelerationStructureBuildGeometryInfoKHR::builder()
+            let mut geometry_info = vk::AccelerationStructureBuildGeometryInfoKHR::default()
                 .ty(ty)
                 .mode(conv::map_acceleration_structure_build_mode(desc.mode))
                 .flags(conv::map_acceleration_structure_flags(desc.flags))
@@ -618,7 +603,7 @@ impl crate::CommandEncoder for super::CommandEncoder {
                     .raw;
             }
 
-            geometry_infos.push(*geometry_info);
+            geometry_infos.push(geometry_info);
         }
 
         for (i, geometry_info) in geometry_infos.iter_mut().enumerate() {
@@ -649,10 +634,9 @@ impl crate::CommandEncoder for super::CommandEncoder {
                 src_stage | vk::PipelineStageFlags::TOP_OF_PIPE,
                 dst_stage | vk::PipelineStageFlags::BOTTOM_OF_PIPE,
                 vk::DependencyFlags::empty(),
-                &[vk::MemoryBarrier::builder()
+                &[vk::MemoryBarrier::default()
                     .src_access_mask(src_access)
-                    .dst_access_mask(dst_access)
-                    .build()],
+                    .dst_access_mask(dst_access)],
                 &[],
                 &[],
             )
@@ -754,17 +738,13 @@ impl crate::CommandEncoder for super::CommandEncoder {
             .make_framebuffer(fb_key, raw_pass, desc.label)
             .unwrap();
 
-        let mut vk_info = vk::RenderPassBeginInfo::builder()
+        let mut vk_info = vk::RenderPassBeginInfo::default()
             .render_pass(raw_pass)
             .render_area(render_area)
             .clear_values(&vk_clear_values)
             .framebuffer(raw_framebuffer);
         let mut vk_attachment_info = if caps.imageless_framebuffers {
-            Some(
-                vk::RenderPassAttachmentBeginInfo::builder()
-                    .attachments(&vk_image_views)
-                    .build(),
-            )
+            Some(vk::RenderPassAttachmentBeginInfo::default().attachments(&vk_image_views))
         } else {
             None
         };
@@ -859,21 +839,21 @@ impl crate::CommandEncoder for super::CommandEncoder {
     }
 
     unsafe fn insert_debug_marker(&mut self, label: &str) {
-        if let Some(ext) = self.device.debug_messenger() {
+        if let Some(ext) = self.device.extension_fns.debug_utils.as_ref() {
             let cstr = self.temp.make_c_str(label);
-            let vk_label = vk::DebugUtilsLabelEXT::builder().label_name(cstr).build();
+            let vk_label = vk::DebugUtilsLabelEXT::default().label_name(cstr);
             unsafe { ext.cmd_insert_debug_utils_label(self.active, &vk_label) };
         }
     }
     unsafe fn begin_debug_marker(&mut self, group_label: &str) {
-        if let Some(ext) = self.device.debug_messenger() {
+        if let Some(ext) = self.device.extension_fns.debug_utils.as_ref() {
             let cstr = self.temp.make_c_str(group_label);
-            let vk_label = vk::DebugUtilsLabelEXT::builder().label_name(cstr).build();
+            let vk_label = vk::DebugUtilsLabelEXT::default().label_name(cstr);
             unsafe { ext.cmd_begin_debug_utils_label(self.active, &vk_label) };
         }
     }
     unsafe fn end_debug_marker(&mut self) {
-        if let Some(ext) = self.device.debug_messenger() {
+        if let Some(ext) = self.device.extension_fns.debug_utils.as_ref() {
             unsafe { ext.cmd_end_debug_utils_label(self.active) };
         }
     }