Cleanup: spelling

22 files changed, 44 insertions, 45 deletions

diff --git a/intern/cycles/render/mesh.cpp b/intern/cycles/render/mesh.cpp
index 03dc21b91c9..eadbe3eda89 100644
--- a/intern/cycles/render/mesh.cpp
+++ b/intern/cycles/render/mesh.cpp
@@ -2125,7 +2125,7 @@ void MeshManager::device_update(Device *device, DeviceScene *dscene, Scene *scen
 				mesh->add_undisplaced();
 			}
 
-			/* Test if we need tesselation. */
+			/* Test if we need tessellation. */
 			if(mesh->subdivision_type != Mesh::SUBDIVISION_NONE &&
 			   mesh->num_subd_verts == 0 &&
 			   mesh->subd_params)
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 6c4049ec295..2c23f133952 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -8171,7 +8171,7 @@ static void direct_link_library(FileData *fd, Library *lib, Main *main)
 				/* Now, since Blender always expect **latest** Main pointer from fd->mainlist to be the active library
 				 * Main pointer, where to add all non-library data-blocks found in file next, we have to switch that
 				 * 'dupli' found Main to latest position in the list!
-				 * Otherwise, you get weird disappearing linked data on a rather unconsistant basis.
+				 * Otherwise, you get weird disappearing linked data on a rather inconsistent basis.
 				 * See also T53977 for reproducible case. */
 				BLI_remlink(fd->mainlist, newmain);
 				BLI_addtail(fd->mainlist, newmain);
@@ -8930,7 +8930,7 @@ static BHead *read_libblock(FileData *fd, Main *main, BHead *bhead, const int ta
 
 	/* In undo case, most libs and linked data should be kept as is from previous state (see BLO_read_from_memfile).
 	 * However, some needed by the snapshot being read may have been removed in previous one, and would go missing.
-	 * This leads e.g. to desappearing objects in some undo/redo case, see T34446.
+	 * This leads e.g. to disappearing objects in some undo/redo case, see T34446.
 	 * That means we have to carefully check whether current lib or libdata already exits in old main, if it does
 	 * we merely copy it over into new main area, otherwise we have to do a full read of that bhead... */
 	if (fd->memfile && ELEM(bhead->code, ID_LI, ID_LINK_PLACEHOLDER)) {
diff --git a/source/blender/editors/armature/pose_slide.c b/source/blender/editors/armature/pose_slide.c
index 0474f8a97e6..e6ed26bdf71 100644
--- a/source/blender/editors/armature/pose_slide.c
+++ b/source/blender/editors/armature/pose_slide.c
@@ -704,7 +704,7 @@ static void pose_slide_apply(bContext *C, tPoseSlideOp *pso)
 	pose_slide_refresh(C, pso);
 }
 
-/* perform autokeyframing after changes were made + confirmed */
+/* perform auto-key-framing after changes were made + confirmed */
 static void pose_slide_autoKeyframe(bContext *C, tPoseSlideOp *pso)
 {
 	/* wrapper around the generic call */
diff --git a/source/blender/editors/armature/pose_utils.c b/source/blender/editors/armature/pose_utils.c
index 75a3f13ee84..25ddcee52cf 100644
--- a/source/blender/editors/armature/pose_utils.c
+++ b/source/blender/editors/armature/pose_utils.c
@@ -277,7 +277,7 @@ void poseAnim_mapping_reset(ListBase *pfLinks)
 	}
 }
 
-/* perform autokeyframing after changes were made + confirmed */
+/* perform auto-key-framing after changes were made + confirmed */
 void poseAnim_mapping_autoKeyframe(bContext *C, Scene *scene, ListBase *pfLinks, float cframe)
 {
 	ViewLayer *view_layer = CTX_data_view_layer(C);
@@ -303,7 +303,7 @@ void poseAnim_mapping_autoKeyframe(bContext *C, Scene *scene, ListBase *pfLinks,
 		return;
 	}
 
-	/* insert keyframes as necessary if autokeyframing */
+	/* Insert keyframes as necessary if auto-key-framing. */
 	KeyingSet *ks = ANIM_get_keyingset_for_autokeying(scene, ANIM_KS_WHOLE_CHARACTER_ID);
 	ListBase dsources = {NULL, NULL};
 	tPChanFCurveLink *pfl;
diff --git a/source/blender/editors/gpencil/annotate_draw.c b/source/blender/editors/gpencil/annotate_draw.c
index 43e2b5bd3bf..2a7f9a715ad 100644
--- a/source/blender/editors/gpencil/annotate_draw.c
+++ b/source/blender/editors/gpencil/annotate_draw.c
@@ -1036,9 +1036,8 @@ void ED_annotation_draw_2dimage(const bContext *C)
 	}
 
 	if (ED_screen_animation_playing(wm)) {
-		/* don't show onionskins during animation playback/scrub (i.e. it obscures the poses)
-		 * OpenGL Renders (i.e. final output), or depth buffer (i.e. not real strokes)
-		 */
+		/* Don't show onion-skins during animation playback/scrub (i.e. it obscures the poses)
+		 * OpenGL Renders (i.e. final output), or depth buffer (i.e. not real strokes). */
 		dflag |= GP_DRAWDATA_NO_ONIONS;
 	}
 
diff --git a/source/blender/editors/gpencil/gpencil_brush.c b/source/blender/editors/gpencil/gpencil_brush.c
index 580d09cefc0..e7e6d7a5f7f 100644
--- a/source/blender/editors/gpencil/gpencil_brush.c
+++ b/source/blender/editors/gpencil/gpencil_brush.c
@@ -811,7 +811,7 @@ static bool gp_brush_randomize_apply(
 		/* Jitter is applied perpendicular to the mouse movement vector
 		 * - We compute all effects in screenspace (since it's easier)
 		 *   and then project these to get the points/distances in
-		 *   viewspace as needed
+		 *   view-space as needed.
 		 */
 		float mvec[2], svec[2];
 
@@ -1029,8 +1029,8 @@ static void gp_brush_clone_init(bContext *C, tGP_BrushEditData *gso)
 		data->new_strokes = MEM_callocN(sizeof(bGPDstroke *) * data->totitems, "cloned strokes ptr array");
 	}
 
-	/* Init colormap for mapping between the pasted stroke's source colour(names)
-	 * and the final colours that will be used here instead...
+	/* Init colormap for mapping between the pasted stroke's source color (names)
+	 * and the final colours that will be used here instead.
 	 */
 	data->new_colors = gp_copybuf_validate_colormap(C);
 }
diff --git a/source/blender/editors/include/UI_interface.h b/source/blender/editors/include/UI_interface.h
index 9f189b63ad5..4a3e0983989 100644
--- a/source/blender/editors/include/UI_interface.h
+++ b/source/blender/editors/include/UI_interface.h
@@ -172,21 +172,21 @@ enum {
 
 /* but->flag - general state flags. */
 enum {
-	/** warning, the first 6 flags are internal. */
+	/** Warning, the first 6 flags are internal. */
 	UI_BUT_ICON_SUBMENU    = 1 << 6,
 	UI_BUT_ICON_PREVIEW    = 1 << 7,
 
 	UI_BUT_NODE_LINK       = 1 << 8,
 	UI_BUT_NODE_ACTIVE     = 1 << 9,
 	UI_BUT_DRAG_LOCK       = 1 << 10,
-	/** grayed out and uneditable */
+	/** Grayed out and un-editable. */
 	UI_BUT_DISABLED        = 1 << 11,
 
 	UI_BUT_ANIMATED        = 1 << 13,
 	UI_BUT_ANIMATED_KEY    = 1 << 14,
 	UI_BUT_DRIVEN          = 1 << 15,
 	UI_BUT_REDALERT        = 1 << 16,
-	/** grayed out but still editable */
+	/** Grayed out but still editable. */
 	UI_BUT_INACTIVE        = 1 << 17,
 	UI_BUT_LAST_ACTIVE     = 1 << 18,
 	UI_BUT_UNDO            = 1 << 19,
diff --git a/source/blender/editors/physics/particle_edit.c b/source/blender/editors/physics/particle_edit.c
index efc969a333e..bd78677bdb6 100644
--- a/source/blender/editors/physics/particle_edit.c
+++ b/source/blender/editors/physics/particle_edit.c
@@ -3965,7 +3965,7 @@ static int brush_add(const bContext *C, PEData *data, short number)
 	}
 	BLI_assert(mesh);
 
-	/* Calculate positions of new particles to add, based on brush interseciton
+	/* Calculate positions of new particles to add, based on brush intersection
 	 * with object. New particle data is assigned to a corresponding to check
 	 * index element of add_pars array. This means, that add_pars is a sparse
 	 * array.
@@ -3993,7 +3993,7 @@ static int brush_add(const bContext *C, PEData *data, short number)
 	BLI_task_parallel_range(0, number, &iter_data, brush_add_count_iter, &settings);
 
 	/* Convert add_parse to a dense array, where all new particles are in the
-	 * beginnign of the array.
+	 * beginning of the array.
 	 */
 	n = iter_data.num_added;
 	for (int current_iter = 0, new_index = 0; current_iter < number; current_iter++) {
diff --git a/source/blender/editors/screen/screen_ops.c b/source/blender/editors/screen/screen_ops.c
index 09ca0476b10..cd2a610813e 100644
--- a/source/blender/editors/screen/screen_ops.c
+++ b/source/blender/editors/screen/screen_ops.c
@@ -618,7 +618,7 @@ static ARegion *screen_find_region_type(bContext *C, int type)
  *
  * functions:
  *
- * apply() set actionzone event
+ * apply() set action-zone event
  *
  * exit()	free customdata
  *
@@ -826,7 +826,7 @@ static AZone *area_actionzone_refresh_xy(ScrArea *sa, const int xy[2], const boo
 	return az;
 }
 
-/* Finds an actionzone by position in entire screen so azones can overlap */
+/* Finds an action-zone by position in entire screen so azones can overlap. */
 static AZone *screen_actionzone_find_xy(bScreen *sc, const int xy[2])
 {
 	for (ScrArea *sa = sc->areabase.first; sa; sa = sa->next) {
@@ -904,7 +904,7 @@ static int actionzone_invoke(bContext *C, wmOperator *op, const wmEvent *event)
 	if (az == NULL || ELEM(az->type, AZONE_REGION_SCROLL))
 		return OPERATOR_PASS_THROUGH;
 
-	/* ok we do the actionzone */
+	/* ok we do the action-zone */
 	sad = op->customdata = MEM_callocN(sizeof(sActionzoneData), "sActionzoneData");
 	sad->sa1 = screen_actionzone_area(sc, az);
 	sad->az = az;
@@ -1054,7 +1054,7 @@ static void SCREEN_OT_actionzone(wmOperatorType *ot)
  *
  * functions:
  *
- * init()   set custom data for operator, based on actionzone event custom data
+ * init()   set custom data for operator, based on action-zone event custom data
  *
  * cancel() cancel the operator
  *
@@ -1062,7 +1062,7 @@ static void SCREEN_OT_actionzone(wmOperatorType *ot)
  *
  * callbacks:
  *
- * invoke() gets called on shift+lmb drag in actionzone
+ * invoke() gets called on shift+lmb drag in action-zone
  * call init(), add handler
  *
  * modal()  accept modal events while doing it
@@ -3811,8 +3811,8 @@ void ED_screens_header_tools_menu_create(bContext *C, uiLayout *layout, void *UN
 	        (sa->flag & HEADER_NO_PULLDOWN) ? ICON_CHECKBOX_HLT : ICON_CHECKBOX_DEHLT,
 	        "SCREEN_OT_header_toggle_menus");
 
-	/* file browser should be fullscreen all the time, topbar should
-	 * never be. But other regions can be maximized/restored... */
+	/* File browser should be fullscreen all the time, top-bar should
+	 * never be. But other regions can be maximized/restored. */
 	if (!ELEM(sa->spacetype, SPACE_FILE, SPACE_TOPBAR)) {
 		uiItemS(layout);
 
diff --git a/source/blender/editors/sculpt_paint/paint_image_proj.c b/source/blender/editors/sculpt_paint/paint_image_proj.c
index 44e1c5b7696..45ae3e9dc11 100644
--- a/source/blender/editors/sculpt_paint/paint_image_proj.c
+++ b/source/blender/editors/sculpt_paint/paint_image_proj.c
@@ -924,8 +924,8 @@ static bool project_bucket_point_occluded(
 	return false;
 }
 
-/* basic line intersection, could move to math_geom.c, 2 points with a horiz line
- * 1 for an intersection, 2 if the first point is aligned, 3 if the second point is aligned */
+/* Basic line intersection, could move to math_geom.c, 2 points with a horizontal line
+ * 1 for an intersection, 2 if the first point is aligned, 3 if the second point is aligned. */
 #define ISECT_TRUE 1
 #define ISECT_TRUE_P1 2
 #define ISECT_TRUE_P2 3
@@ -2443,8 +2443,8 @@ static void project_bucket_clip_face(
 		*tot = 3;
 		return;
 	}
-	/* handle pathological case here,
-	 * no need for further intersections below since tringle area is almost zero */
+	/* Handle pathological case here,
+	 * no need for further intersections below since triangle area is almost zero. */
 	if (collinear) {
 		int flag;
 
diff --git a/source/blender/editors/sculpt_paint/paint_vertex_weight_ops.c b/source/blender/editors/sculpt_paint/paint_vertex_weight_ops.c
index a371d8ec93c..cd366ecff3b 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex_weight_ops.c
+++ b/source/blender/editors/sculpt_paint/paint_vertex_weight_ops.c
@@ -224,8 +224,8 @@ static int weight_sample_invoke(bContext *C, wmOperator *op, const wmEvent *even
 					vgroup_weight = BKE_defvert_multipaint_collective_weight(
 					        &me->dvert[v_idx_best], defbase_tot, defbase_sel, defbase_tot_sel, ts->auto_normalize);
 
-					/* if autonormalize is enabled, but weights are not normalized,
-					 * the value can exceed 1 */
+					/* If auto-normalize is enabled, but weights are not normalized,
+					 * the value can exceed 1. */
 					CLAMP(vgroup_weight, 0.0f, 1.0f);
 				}
 
diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c
index 24edd9bec86..ad2cfb5f9fc 100644
--- a/source/blender/editors/sculpt_paint/sculpt.c
+++ b/source/blender/editors/sculpt_paint/sculpt.c
@@ -1599,7 +1599,7 @@ static void bmesh_neighbor_average(float avg[3], BMVert *v)
 }
 
 /* For bmesh: average only the four most aligned (parallel and perpendicular) edges
- * relative to a direction. Naturally converges to a quad-like tesselation. */
+ * relative to a direction. Naturally converges to a quad-like tessellation. */
 static void bmesh_four_neighbor_average(float avg[3], float direction[3], BMVert *v)
 {
 	/* Logic for 3 or more is identical. */
diff --git a/source/blender/editors/space_nla/nla_buttons.c b/source/blender/editors/space_nla/nla_buttons.c
index 049342b0244..b06b7120faf 100644
--- a/source/blender/editors/space_nla/nla_buttons.c
+++ b/source/blender/editors/space_nla/nla_buttons.c
@@ -360,7 +360,7 @@ static void nla_panel_properties(const bContext *C, Panel *pa)
 		row = uiLayoutRow(layout, true);
 		uiItemR(row, &strip_ptr, "blend_type", 0, NULL, ICON_NONE);
 
-		/* blend in/out + autoblending
+		/* Blend in/out + auto-blending:
 		 * - blend in/out can only be set when autoblending is off
 		 */
 		column = uiLayoutColumn(layout, true);
diff --git a/source/blender/editors/space_nla/nla_edit.c b/source/blender/editors/space_nla/nla_edit.c
index a92a2ec66ca..1d21619fbd1 100644
--- a/source/blender/editors/space_nla/nla_edit.c
+++ b/source/blender/editors/space_nla/nla_edit.c
@@ -1269,8 +1269,8 @@ static void nlaedit_split_strip_actclip(Main *bmain, AnimData *adt, NlaTrack *nl
 	nstrip = BKE_nlastrip_copy(bmain, strip, true, 0);
 	BLI_insertlinkafter(&nlt->strips, strip, nstrip);
 
-	/* set the endpoint of the first strip and the start of the new strip
-	 * to the splitframe values calculated above
+	/* Set the endpoint of the first strip and the start of the new strip
+	 * to the split-frame values calculated above.
 	 */
 	strip->end = splitframe;
 	nstrip->start = splitframe;
diff --git a/source/blender/editors/space_sequencer/sequencer_edit.c b/source/blender/editors/space_sequencer/sequencer_edit.c
index b7d3bec326a..9e5a2624226 100644
--- a/source/blender/editors/space_sequencer/sequencer_edit.c
+++ b/source/blender/editors/space_sequencer/sequencer_edit.c
@@ -2455,7 +2455,7 @@ static int sequencer_separate_images_exec(bContext *C, wmOperator *op)
 			Sequence *seq_next;
 
 			/* remove seq so overlap tests don't conflict,
-			 * see seq_free_sequence below for the real free'ing */
+			 * see seq_free_sequence below for the real freeing. */
 			BLI_remlink(ed->seqbasep, seq);
 			/* if (seq->ipo) id_us_min(&seq->ipo->id); */
 			/* XXX, remove fcurve and assign to split image strips */
@@ -2584,8 +2584,8 @@ static int sequencer_meta_toggle_exec(bContext *C, wmOperator *UNUSED(op))
 			BKE_sequence_calc(scene, seq);
 		}
 
-		/* 2.73+, keeping endpoings is important!
-		 * moving them around means you can't usefully use metas in a complex edit */
+		/* 2.73+, keeping endpoints is important!
+		 * moving them around means you can't usefully use metas in a complex edit. */
 #if 1
 		BKE_sequence_tx_set_final_left(ms->parseq, ms->disp_range[0]);
 		BKE_sequence_tx_set_final_right(ms->parseq, ms->disp_range[1]);
@@ -3354,7 +3354,7 @@ static int sequencer_copy_exec(bContext *C, wmOperator *op)
 	}
 
 	/* Replace datablock pointers with copies, to keep things working in case
-	 * datablocks get deleted or another .blend file is openeded. */
+	 * datablocks get deleted or another .blend file is opened. */
 	BKE_sequencer_base_clipboard_pointers_store(bmain, &seqbase_clipboard);
 
 	return OPERATOR_FINISHED;
diff --git a/source/blender/editors/space_view3d/view3d_draw_legacy.c b/source/blender/editors/space_view3d/view3d_draw_legacy.c
index 454315afa57..4a1fd58b48a 100644
--- a/source/blender/editors/space_view3d/view3d_draw_legacy.c
+++ b/source/blender/editors/space_view3d/view3d_draw_legacy.c
@@ -654,7 +654,7 @@ static void view3d_draw_bgpic(Scene *scene, Depsgraph *depsgraph,
 			float zoomx = (x2 - x1) / ibuf->x;
 			float zoomy = (y2 - y1) / ibuf->y;
 
-			/* for some reason; zoomlevels down refuses to use GL_ALPHA_SCALE */
+			/* For some reason; zoom-levels down refuses to use GL_ALPHA_SCALE. */
 			if (zoomx < 1.0f || zoomy < 1.0f) {
 				float tzoom = min_ff(zoomx, zoomy);
 				int mip = 0;
diff --git a/source/blender/editors/transform/transform.c b/source/blender/editors/transform/transform.c
index d937273e3e3..89536f5f092 100644
--- a/source/blender/editors/transform/transform.c
+++ b/source/blender/editors/transform/transform.c
@@ -2035,7 +2035,7 @@ static void drawTransformPixel(const struct bContext *C, ARegion *ar, void *arg)
 		ViewLayer *view_layer = t->view_layer;
 		Object *ob = OBACT(view_layer);
 
-		/* draw autokeyframing hint in the corner
+		/* draw auto-key-framing hint in the corner
 		 * - only draw if enabled (advanced users may be distracted/annoyed),
 		 *   for objects that will be autokeyframed (no point otherwise),
 		 *   AND only for the active region (as showing all is too overwhelming)
diff --git a/source/blender/editors/transform/transform_constraints.c b/source/blender/editors/transform/transform_constraints.c
index 4bed5a3f05c..2e8a921c7d8 100644
--- a/source/blender/editors/transform/transform_constraints.c
+++ b/source/blender/editors/transform/transform_constraints.c
@@ -1005,7 +1005,7 @@ static void setNearestAxis3d(TransInfo *t)
 	mvec[1] = (float)(t->mval[1] - t->con.imval[1]);
 	mvec[2] = 0.0f;
 
-	/* we need to correct axis length for the current zoomlevel of view,
+	/* We need to correct axis length for the current zoom-level of view,
 	 * this to prevent projected values to be clipped behind the camera
 	 * and to overflow the short integers.
 	 * The formula used is a bit stupid, just a simplification of the subtraction
diff --git a/source/blender/editors/transform/transform_generics.c b/source/blender/editors/transform/transform_generics.c
index 93bfb7261a8..0f7992e0b4a 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -945,7 +945,7 @@ static void recalcData_objects(TransInfo *t)
 
 			/* if animtimer is running, and the object already has animation data,
 			 * check if the auto-record feature means that we should record 'samples'
-			 * (i.e. uneditable animation values)
+			 * (i.e. un-editable animation values)
 			 *
 			 * context is needed for keying set poll() functions.
 			 */
diff --git a/source/blender/gpu/GPU_framebuffer.h b/source/blender/gpu/GPU_framebuffer.h
index e822c33ab4a..77573b80a1b 100644
--- a/source/blender/gpu/GPU_framebuffer.h
+++ b/source/blender/gpu/GPU_framebuffer.h
@@ -96,7 +96,7 @@ void GPU_framebuffer_texture_detach_slot(
  * })
  * \encode
  *
- * \note Unspecified attachements (i.e: those beyond the last
+ * \note Unspecified attachments (i.e: those beyond the last
  * GPU_ATTACHMENT_* in GPU_framebuffer_ensure_config list) are left unchanged.
  *
  * \note Make sure that the dimensions of your textures matches
diff --git a/source/blender/gpu/GPU_legacy_stubs.h b/source/blender/gpu/GPU_legacy_stubs.h
index b290e4b093c..9d45c051f39 100644
--- a/source/blender/gpu/GPU_legacy_stubs.h
+++ b/source/blender/gpu/GPU_legacy_stubs.h
@@ -40,7 +40,7 @@
 #include "BLI_utildefines.h"
 
 /**
- * Empty function, use for breakpoint when a depreacated
+ * Empty function, use for breakpoint when a deprecated
  * OpenGL function is called.
  */
 static void gl_deprecated(void)
diff --git a/source/blender/gpu/intern/gpu_immediate_util.c b/source/blender/gpu/intern/gpu_immediate_util.c
index 6d546c1b5c5..53a69b0b9d7 100644
--- a/source/blender/gpu/intern/gpu_immediate_util.c
+++ b/source/blender/gpu/intern/gpu_immediate_util.c
@@ -144,7 +144,7 @@ void immRecti_complete(int x1, int y1, int x2, int y2, const float color[4])
  * Pack color into 3 bytes
  *
  * This define converts a numerical value to the equivalent 24-bit
- * color, while not being endian-sensitive. On little-endians, this
+ * color, while not being endian-sensitive. On little-endian, this
  * is the same as doing a 'naive' indexing, on big-endian, it is not!
  *
  * \note BGR format (i.e. 0xBBGGRR)...