Cleanup: spelling in comments

intern/cycles/device/metal/bvh.mm

@@ -160,7 +160,7 @@ bool BVHMetal::build_BLAS_mesh(Progress &progress,
     }
 
     /* Force a single any-hit call, so shadow record-all behavior works correctly */
-    /* (Match optix behaviour: unsigned int build_flags =
+    /* (Match optix behavior: unsigned int build_flags =
      * OPTIX_GEOMETRY_FLAG_REQUIRE_SINGLE_ANYHIT_CALL;) */
     geomDesc.allowDuplicateIntersectionFunctionInvocation = false;
 
@@ -359,7 +359,7 @@ bool BVHMetal::build_BLAS_hair(Progress &progress,
       geomDescMotion.intersectionFunctionTableOffset = 1;
 
       /* Force a single any-hit call, so shadow record-all behavior works correctly */
-      /* (Match optix behaviour: unsigned int build_flags =
+      /* (Match optix behavior: unsigned int build_flags =
        * OPTIX_GEOMETRY_FLAG_REQUIRE_SINGLE_ANYHIT_CALL;) */
       geomDescMotion.allowDuplicateIntersectionFunctionInvocation = false;
       geomDescMotion.opaque = true;
@@ -375,7 +375,7 @@ bool BVHMetal::build_BLAS_hair(Progress &progress,
       geomDescNoMotion.intersectionFunctionTableOffset = 1;
 
       /* Force a single any-hit call, so shadow record-all behavior works correctly */
-      /* (Match optix behaviour: unsigned int build_flags =
+      /* (Match optix behavior: unsigned int build_flags =
        * OPTIX_GEOMETRY_FLAG_REQUIRE_SINGLE_ANYHIT_CALL;) */
       geomDescNoMotion.allowDuplicateIntersectionFunctionInvocation = false;
       geomDescNoMotion.opaque = true;

intern/cycles/device/metal/device_impl.mm

@@ -333,7 +333,7 @@ bool MetalDevice::load_kernels(const uint _kernel_features)
   /* local helper: fetch the kernel source code, adjust it for specific PSO_.. kernel_type flavor,
    * then compile it into a MTLLibrary */
   auto fetch_and_compile_source = [&](int kernel_type) {
-    /* record the source uesd to compile this library, for hash building later */
+    /* Record the source used to compile this library, for hash building later. */
     string &source = source_used_for_compile[kernel_type];
 
     switch (kernel_type) {
@@ -925,7 +925,7 @@ void MetalDevice::tex_alloc(device_texture &mem)
     }
   }
 
-  /* optimise the texture for GPU access */
+  /* Optimize the texture for GPU access. */
   id<MTLCommandBuffer> commandBuffer = [mtlGeneralCommandQueue commandBuffer];
   id<MTLBlitCommandEncoder> blitCommandEncoder = [commandBuffer blitCommandEncoder];
   [blitCommandEncoder optimizeContentsForGPUAccess:mtlTexture];

intern/cycles/device/metal/kernel.h

@@ -50,7 +50,7 @@ enum {
    */
   PSO_GENERIC,
 
-  /* A kernel that is relatively quick to compile, but is specialised for the
+  /* A kernel that is relatively quick to compile, but is specialized for the
    * scene being rendered. It only contains the functionality and even baked in
    * constants for values that means it needs to be recompiled whenever a
    * dependent setting is changed. The render performance of this kernel is

intern/cycles/device/metal/kernel.mm

@@ -455,7 +455,7 @@ bool MetalDeviceKernels::load(MetalDevice *device, int kernel_type)
           return;
         }
 
-        /* Only specialise kernels where it can make an impact */
+        /* Only specialize kernels where it can make an impact. */
         if (kernel_type == PSO_SPECIALISED) {
           if (i < DEVICE_KERNEL_INTEGRATOR_INTERSECT_CLOSEST ||
               i > DEVICE_KERNEL_INTEGRATOR_MEGAKERNEL) {

intern/cycles/device/metal/queue.mm

@@ -136,7 +136,7 @@ bool MetalDeviceQueue::enqueue(DeviceKernel kernel,
   arg_buffer_length += sizeof(KernelParamsMetal);
   arg_buffer_length = round_up(arg_buffer_length, 256);
 
-  /* Metal ancilliary bindless pointers */
+  /* Metal ancillary bindless pointers. */
   size_t metal_offsets = arg_buffer_length;
   arg_buffer_length += metal_device->mtlAncillaryArgEncoder.encodedLength;
   arg_buffer_length = round_up(arg_buffer_length, metal_device->mtlAncillaryArgEncoder.alignment);

source/blender/blenkernel/BKE_armature.h

@@ -401,8 +401,8 @@ void BKE_bone_parent_transform_apply(const struct BoneParentTransform *bpt,
  *
  * Construct the matrices (rot/scale and loc)
  * to apply the PoseChannels into the armature (object) space.
- * I.e. (roughly) the "pose_mat(b-1) * yoffs(b-1) * d_root(b) * bone_mat(b)" in the
- *     pose_mat(b)= pose_mat(b-1) * yoffs(b-1) * d_root(b) * bone_mat(b) * chan_mat(b)
+ * I.e. (roughly) the `pose_mat(b-1) * yoffs(b-1) * d_root(b) * bone_mat(b)` in the
+ *     `pose_mat(b)= pose_mat(b-1) * yoffs(b-1) * d_root(b) * bone_mat(b) * chan_mat(b)`
  * ...function.
  *
  * This allows to get the transformations of a bone in its object space,

source/blender/blenkernel/BKE_geometry_set.hh

@@ -264,7 +264,7 @@ inline constexpr bool is_geometry_component_v = std::is_base_of_v<GeometryCompon
  * individual components might be shared between multiple geometries and other code. Shared
  * components are copied automatically when write access is requested.
  *
- * The components usually do not store data by themself, but keep a reference to a data structure
+ * The components usually do not store data by them self, but keep a reference to a data structure
  * defined elsewhere in Blender. There is at most one component of each type:
  *  - #MeshComponent
  *  - #CurveComponent
@@ -559,7 +559,7 @@ class MeshComponent : public GeometryComponent {
  * A geometry component that stores a point cloud, corresponding to the #PointCloud data structure.
  * While a point cloud is technically a subset of a mesh in some respects, it is useful because of
  * its simplicity, partly on a conceptual level for the user, but also in the code, though partly
- * for historical reasons. Pointclouds can also be rendered in special ways, based on the built-in
+ * for historical reasons. Point-clouds can also be rendered in special ways, based on the built-in
  * `radius` attribute.
  *
  * Attributes on point clouds are all stored in contiguous arrays in its #CustomData,