Merge branch 'master' into blender2.8

6 files changed, 377 insertions, 181 deletions

diff --git a/source/blender/editors/sculpt_paint/paint_cursor.c b/source/blender/editors/sculpt_paint/paint_cursor.c
index e1e90506299..24a7137da19 100644
--- a/source/blender/editors/sculpt_paint/paint_cursor.c
+++ b/source/blender/editors/sculpt_paint/paint_cursor.c
@@ -151,7 +151,7 @@ typedef struct LoadTexData {
 	float radius;
 } LoadTexData;
 
-static void load_tex_task_cb_ex(void *userdata, void *UNUSED(userdata_chunck), const int j, const int thread_id)
+static void load_tex_task_cb_ex(void *userdata, const int j, const ParallelRangeTLS *tls)
 {
 	LoadTexData *data = userdata;
 	Brush *br = data->br;
@@ -212,7 +212,7 @@ static void load_tex_task_cb_ex(void *userdata, void *UNUSED(userdata_chunck), c
 			if (col) {
 				float rgba[4];
 
-				paint_get_tex_pixel_col(mtex, x, y, rgba, pool, thread_id, convert_to_linear, colorspace);
+				paint_get_tex_pixel_col(mtex, x, y, rgba, pool, tls->thread_id, convert_to_linear, colorspace);
 
 				buffer[index * 4]     = rgba[0] * 255;
 				buffer[index * 4 + 1] = rgba[1] * 255;
@@ -220,7 +220,7 @@ static void load_tex_task_cb_ex(void *userdata, void *UNUSED(userdata_chunck), c
 				buffer[index * 4 + 3] = rgba[3] * 255;
 			}
 			else {
-				float avg = paint_get_tex_pixel(mtex, x, y, pool, thread_id);
+				float avg = paint_get_tex_pixel(mtex, x, y, pool, tls->thread_id);
 
 				avg += br->texture_sample_bias;
 
@@ -318,7 +318,9 @@ static int load_tex(Brush *br, ViewContext *vc, float zoom, bool col, bool prima
 		    .pool = pool, .size = size, .rotation = rotation, .radius = radius,
 		};
 
-		BLI_task_parallel_range_ex(0, size, &data, NULL, 0, load_tex_task_cb_ex, true, false);
+		ParallelRangeSettings settings;
+		BLI_parallel_range_settings_defaults(&settings);
+		BLI_task_parallel_range(0, size, &data, load_tex_task_cb_ex, &settings);
 
 		if (mtex->tex && mtex->tex->nodetree)
 			ntreeTexEndExecTree(mtex->tex->nodetree->execdata);
@@ -365,7 +367,7 @@ static int load_tex(Brush *br, ViewContext *vc, float zoom, bool col, bool prima
 	return 1;
 }
 
-static void load_tex_cursor_task_cb(void *userdata, const int j)
+static void load_tex_cursor_task_cb(void *userdata, const int j, const ParallelRangeTLS *UNUSED(tls))
 {
 	LoadTexData *data = userdata;
 	Brush *br = data->br;
@@ -445,7 +447,9 @@ static int load_tex_cursor(Brush *br, ViewContext *vc, float zoom)
 		    .br = br, .buffer = buffer, .size = size,
 		};
 
-		BLI_task_parallel_range(0, size, &data, load_tex_cursor_task_cb, true);
+		ParallelRangeSettings settings;
+		BLI_parallel_range_settings_defaults(&settings);
+		BLI_task_parallel_range(0, size, &data, load_tex_cursor_task_cb, &settings);
 
 		if (!cursor_snap.overlay_texture)
 			glGenTextures(1, &cursor_snap.overlay_texture);
diff --git a/source/blender/editors/sculpt_paint/paint_image_2d.c b/source/blender/editors/sculpt_paint/paint_image_2d.c
index 603b8f9a185..8a7bbc90979 100644
--- a/source/blender/editors/sculpt_paint/paint_image_2d.c
+++ b/source/blender/editors/sculpt_paint/paint_image_2d.c
@@ -1071,7 +1071,8 @@ typedef struct Paint2DForeachData {
 	int tilew;
 } Paint2DForeachData;
 
-static void paint_2d_op_foreach_do(void *data_v, const int iter)
+static void paint_2d_op_foreach_do(void *data_v, const int iter,
+                                   const ParallelRangeTLS *UNUSED(tls))
 {
 	Paint2DForeachData *data = (Paint2DForeachData *)data_v;
 	paint_2d_do_making_brush(data->s, data->region, data->curveb,
@@ -1157,9 +1158,12 @@ static int paint_2d_op(void *state, ImBuf *ibufb, unsigned short *curveb, unsign
 				data.blend = blend;
 				data.tilex = tilex;
 				data.tilew = tilew;
+
+				ParallelRangeSettings settings;
+				BLI_parallel_range_settings_defaults(&settings);
 				BLI_task_parallel_range(tiley, tileh + 1, &data,
 				                        paint_2d_op_foreach_do,
-				                        true);
+				                        &settings);
 
 			}
 		}
diff --git a/source/blender/editors/sculpt_paint/paint_mask.c b/source/blender/editors/sculpt_paint/paint_mask.c
index 0fec4c4fc80..5ae59164743 100644
--- a/source/blender/editors/sculpt_paint/paint_mask.c
+++ b/source/blender/editors/sculpt_paint/paint_mask.c
@@ -104,7 +104,8 @@ typedef struct MaskTaskData {
 	float (*clip_planes_final)[4];
 } MaskTaskData;
 
-static void mask_flood_fill_task_cb(void *userdata, const int i)
+static void mask_flood_fill_task_cb(void *userdata, const int i,
+                                    const ParallelRangeTLS *UNUSED(tls))
 {
 	MaskTaskData *data = userdata;
 
@@ -158,9 +159,12 @@ static int mask_flood_fill_exec(bContext *C, wmOperator *op)
 	    .mode = mode, .value = value,
 	};
 
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
 	BLI_task_parallel_range(
 	            0, totnode, &data, mask_flood_fill_task_cb,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT));
+	            &settings);
 
 	if (multires)
 		multires_mark_as_modified(ob, MULTIRES_COORDS_MODIFIED);
@@ -221,7 +225,8 @@ static void flip_plane(float out[4], const float in[4], const char symm)
 	out[3] = in[3];
 }
 
-static void mask_box_select_task_cb(void *userdata, const int i)
+static void mask_box_select_task_cb(void *userdata, const int i,
+                                    const ParallelRangeTLS *UNUSED(tls))
 {
 	MaskTaskData *data = userdata;
 
@@ -303,9 +308,12 @@ int ED_sculpt_mask_box_select(struct bContext *C, ViewContext *vc, const rcti *r
 			    .mode = mode, .value = value, .clip_planes_final = clip_planes_final,
 			};
 
+			ParallelRangeSettings settings;
+			BLI_parallel_range_settings_defaults(&settings);
+			settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
 			BLI_task_parallel_range(
 			            0, totnode, &data, mask_box_select_task_cb,
-			            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT));
+			            &settings);
 
 			if (nodes)
 				MEM_freeN(nodes);
@@ -377,7 +385,8 @@ static void mask_lasso_px_cb(int x, int x_end, int y, void *user_data)
 	} while (++index != index_end);
 }
 
-static void mask_gesture_lasso_task_cb(void *userdata, const int i)
+static void mask_gesture_lasso_task_cb(void *userdata, const int i,
+                                       const ParallelRangeTLS *UNUSED(tls))
 {
 	LassoMaskData *lasso_data = userdata;
 	MaskTaskData *data = &lasso_data->task_data;
@@ -484,9 +493,12 @@ static int paint_mask_gesture_lasso_exec(bContext *C, wmOperator *op)
 				data.task_data.mode = mode;
 				data.task_data.value = value;
 
+				ParallelRangeSettings settings;
+				BLI_parallel_range_settings_defaults(&settings);
+				settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && (totnode > SCULPT_THREADED_LIMIT));
 				BLI_task_parallel_range(
 				            0, totnode, &data, mask_gesture_lasso_task_cb,
-				            ((sd->flags & SCULPT_USE_OPENMP) && (totnode > SCULPT_THREADED_LIMIT)));
+				            &settings);
 
 				if (nodes)
 					MEM_freeN(nodes);
diff --git a/source/blender/editors/sculpt_paint/paint_vertex.c b/source/blender/editors/sculpt_paint/paint_vertex.c
index d9df8c78ba9..f6c486551d8 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex.c
+++ b/source/blender/editors/sculpt_paint/paint_vertex.c
@@ -1441,7 +1441,7 @@ static float wpaint_get_active_weight(const MDeformVert *dv, const WeightPaintIn
 }
 
 static void do_wpaint_precompute_weight_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int UNUSED(thread_id))
+        void *userdata, const int n, const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	const MDeformVert *dv = &data->me->dvert[n];
@@ -1460,15 +1460,19 @@ static void precompute_weight_values(
 		.C = C, .ob = ob, .wpd = wpd, .wpi = wpi, .me = me,
 	};
 
-	BLI_task_parallel_range_ex(
-	        0, me->totvert, &data, NULL, 0, do_wpaint_precompute_weight_cb_ex,
-	        true, false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	BLI_task_parallel_range(
+	        0, me->totvert,
+	        &data,
+	        do_wpaint_precompute_weight_cb_ex,
+	        &settings);
 
 	wpd->precomputed_weight_ready = true;
 }
 
 static void do_wpaint_brush_blur_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int UNUSED(thread_id))
+        void *userdata, const int n, const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -1557,7 +1561,7 @@ static void do_wpaint_brush_blur_task_cb_ex(
 }
 
 static void do_wpaint_brush_smear_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int UNUSED(thread_id))
+        void *userdata, const int n, const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -1664,7 +1668,7 @@ static void do_wpaint_brush_smear_task_cb_ex(
 }
 
 static void do_wpaint_brush_draw_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int UNUSED(thread_id))
+        void *userdata, const int n, const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -1734,7 +1738,7 @@ static void do_wpaint_brush_draw_task_cb_ex(
 }
 
 static void do_wpaint_brush_calc_average_weight_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int UNUSED(thread_id))
+        void *userdata, const int n, const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -1785,9 +1789,14 @@ static void calculate_average_weight(SculptThreadedTaskData *data, PBVHNode **UN
 	struct WPaintAverageAccum *accum = MEM_mallocN(sizeof(*accum) * totnode, __func__);
 	data->custom_data = accum;
 
-	BLI_task_parallel_range_ex(
-	        0, totnode, data, NULL, 0, do_wpaint_brush_calc_average_weight_cb_ex,
-	        ((data->sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((data->sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	        0, totnode,
+	        data,
+	        do_wpaint_brush_calc_average_weight_cb_ex,
+	        &settings);
 
 	uint accum_len = 0;
 	double accum_weight = 0.0;
@@ -1819,30 +1828,40 @@ static void wpaint_paint_leaves(
 	/* Use this so average can modify its weight without touching the brush. */
 	data.strength = BKE_brush_weight_get(scene, brush);
 
-	/* current mirroring code cannot be run in parallel */
-	bool use_threading = !(me->editflag & ME_EDIT_MIRROR_X);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	/* NOTE: current mirroring code cannot be run in parallel */
+	settings.use_threading = !(me->editflag & ME_EDIT_MIRROR_X);
 
 	switch (brush->vertexpaint_tool) {
 		case PAINT_BLEND_AVERAGE:
 			calculate_average_weight(&data, nodes, totnode);
-			BLI_task_parallel_range_ex(
-			        0, totnode, &data, NULL, 0,
-			        do_wpaint_brush_draw_task_cb_ex, use_threading, false);
+			BLI_task_parallel_range(
+			        0, totnode,
+			        &data,
+			        do_wpaint_brush_draw_task_cb_ex,
+			        &settings);
 			break;
 		case PAINT_BLEND_SMEAR:
-			BLI_task_parallel_range_ex(
-			        0, totnode, &data, NULL, 0,
-			        do_wpaint_brush_smear_task_cb_ex, use_threading, false);
+			BLI_task_parallel_range(
+			        0, totnode,
+			        &data,
+			        do_wpaint_brush_smear_task_cb_ex,
+			        &settings);
 			break;
 		case PAINT_BLEND_BLUR:
-			BLI_task_parallel_range_ex(
-			        0, totnode, &data, NULL, 0,
-			        do_wpaint_brush_blur_task_cb_ex, use_threading, false);
+			BLI_task_parallel_range(
+			        0, totnode,
+			        &data,
+			        do_wpaint_brush_blur_task_cb_ex,
+			        &settings);
 			break;
 		default:
-			BLI_task_parallel_range_ex(
-			        0, totnode, &data, NULL, 0,
-			        do_wpaint_brush_draw_task_cb_ex, use_threading, false);
+			BLI_task_parallel_range(
+			        0, totnode,
+			        &data,
+			        do_wpaint_brush_draw_task_cb_ex,
+			        &settings);
 			break;
 	}
 }
@@ -2398,7 +2417,7 @@ static bool vpaint_stroke_test_start(bContext *C, struct wmOperator *op, const f
 }
 
 static void do_vpaint_brush_calc_average_color_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int UNUSED(thread_id))
+        void *userdata, const int n, const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2460,7 +2479,7 @@ static float tex_color_alpha_ubyte(
 }
 
 static void do_vpaint_brush_draw_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int UNUSED(thread_id))
+        void *userdata,  const int n, const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2552,7 +2571,7 @@ static void do_vpaint_brush_draw_task_cb_ex(
 }
 
 static void do_vpaint_brush_blur_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int UNUSED(thread_id))
+        void *userdata, const int n, const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2661,7 +2680,7 @@ static void do_vpaint_brush_blur_task_cb_ex(
 }
 
 static void do_vpaint_brush_smear_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int UNUSED(thread_id))
+        void *userdata, const int n, const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2799,9 +2818,13 @@ static void calculate_average_color(SculptThreadedTaskData *data, PBVHNode **UNU
 	struct VPaintAverageAccum *accum = MEM_mallocN(sizeof(*accum) * totnode, __func__);
 	data->custom_data = accum;
 
-	BLI_task_parallel_range_ex(
-	        0, totnode, data, NULL, 0, do_vpaint_brush_calc_average_color_cb_ex,
-	        true, false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	BLI_task_parallel_range(
+	        0, totnode,
+	        data,
+	        do_vpaint_brush_calc_average_color_cb_ex,
+	        &settings);
 
 	uint accum_len = 0;
 	uint accum_value[3] = {0};
@@ -2833,27 +2856,37 @@ static void vpaint_paint_leaves(
 		.sd = sd, .ob = ob, .brush = brush, .nodes = nodes, .vp = vp, .vpd = vpd,
 		.lcol = (uint *)me->mloopcol, .me = me, .C = C,
 	};
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
 	switch (brush->vertexpaint_tool) {
 		case PAINT_BLEND_AVERAGE:
 			calculate_average_color(&data, nodes, totnode);
-			BLI_task_parallel_range_ex(
-			    0, totnode, &data, NULL, 0,
-			    do_vpaint_brush_draw_task_cb_ex, true, false);
+			BLI_task_parallel_range(
+			    0, totnode,
+			    &data,
+			    do_vpaint_brush_draw_task_cb_ex,
+			    &settings);
 			break;
 		case PAINT_BLEND_BLUR:
-			BLI_task_parallel_range_ex(
-			    0, totnode, &data, NULL, 0,
-			    do_vpaint_brush_blur_task_cb_ex, true, false);
+			BLI_task_parallel_range(
+			    0, totnode,
+			    &data,
+			    do_vpaint_brush_blur_task_cb_ex,
+			    &settings);
 			break;
 		case PAINT_BLEND_SMEAR:
-			BLI_task_parallel_range_ex(
-			    0, totnode, &data, NULL, 0,
-			    do_vpaint_brush_smear_task_cb_ex, true, false);
+			BLI_task_parallel_range(
+			    0, totnode,
+			    &data,
+			    do_vpaint_brush_smear_task_cb_ex,
+			    &settings);
 			break;
 		default:
-			BLI_task_parallel_range_ex(
-			    0, totnode, &data, NULL, 0,
-			    do_vpaint_brush_draw_task_cb_ex, true, false);
+			BLI_task_parallel_range(
+			    0, totnode,
+			    &data,
+			    do_vpaint_brush_draw_task_cb_ex,
+			    &settings);
 			break;
 	}
 }
diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c
index 6e08f47f60d..1af522ffd8d 100644
--- a/source/blender/editors/sculpt_paint/sculpt.c
+++ b/source/blender/editors/sculpt_paint/sculpt.c
@@ -377,7 +377,8 @@ static bool sculpt_stroke_is_dynamic_topology(
 
 /*** paint mesh ***/
 
-static void paint_mesh_restore_co_task_cb(void *userdata, const int n)
+static void paint_mesh_restore_co_task_cb(void *userdata, const int n,
+                                          const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -439,9 +440,14 @@ static void paint_mesh_restore_co(Sculpt *sd, Object *ob)
 		.sd = sd, .ob = ob, .brush = brush, .nodes = nodes,
 	};
 
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && !ss->bm && totnode > SCULPT_THREADED_LIMIT);
 	BLI_task_parallel_range(
-	            0, totnode, &data, paint_mesh_restore_co_task_cb,
-	            ((sd->flags & SCULPT_USE_OPENMP) && !ss->bm && totnode > SCULPT_THREADED_LIMIT));
+	            0, totnode,
+	            &data,
+	            paint_mesh_restore_co_task_cb,
+	            &settings);
 
 	if (nodes)
 		MEM_freeN(nodes);
@@ -794,7 +800,8 @@ static float calc_symmetry_feather(Sculpt *sd, StrokeCache *cache)
  * \note These are all _very_ similar, when changing one, check others.
  * \{ */
 
-static void calc_area_normal_and_center_task_cb(void *userdata, const int n)
+static void calc_area_normal_and_center_task_cb(void *userdata, const int n,
+                                                const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -946,9 +953,14 @@ static void calc_area_center(
 	};
 	BLI_mutex_init(&data.mutex);
 
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
 	BLI_task_parallel_range(
-	            0, totnode, &data, calc_area_normal_and_center_task_cb,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT));
+	            0, totnode,
+	            &data,
+	            calc_area_normal_and_center_task_cb,
+	            &settings);
 
 	BLI_mutex_end(&data.mutex);
 
@@ -996,9 +1008,14 @@ void sculpt_pbvh_calc_area_normal(
 	};
 	BLI_mutex_init(&data.mutex);
 
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = use_threading;
 	BLI_task_parallel_range(
-	            0, totnode, &data, calc_area_normal_and_center_task_cb,
-	            use_threading);
+	            0, totnode,
+	            &data,
+	            calc_area_normal_and_center_task_cb,
+	            &settings);
 
 	BLI_mutex_end(&data.mutex);
 
@@ -1036,9 +1053,14 @@ static void calc_area_normal_and_center(
 	};
 	BLI_mutex_init(&data.mutex);
 
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
 	BLI_task_parallel_range(
-	            0, totnode, &data, calc_area_normal_and_center_task_cb,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT));
+	            0, totnode,
+	            &data,
+	            calc_area_normal_and_center_task_cb,
+	            &settings);
 
 	BLI_mutex_end(&data.mutex);
 
@@ -1626,7 +1648,7 @@ typedef struct {
 } SculptFindNearestToRayData;
 
 static void do_smooth_brush_mesh_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -1648,7 +1670,7 @@ static void do_smooth_brush_mesh_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, vd.co)) {
 			const float fade = bstrength * tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, smooth_mask ? 0.0f : (vd.mask ? *vd.mask : 0.0f), thread_id);
+			        vd.no, vd.fno, smooth_mask ? 0.0f : (vd.mask ? *vd.mask : 0.0f), tls->thread_id);
 			if (smooth_mask) {
 				float val = neighbor_average_mask(ss, vd.vert_indices[vd.i]) - *vd.mask;
 				val *= fade * bstrength;
@@ -1674,7 +1696,7 @@ static void do_smooth_brush_mesh_task_cb_ex(
 }
 
 static void do_smooth_brush_bmesh_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -1696,7 +1718,7 @@ static void do_smooth_brush_bmesh_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, vd.co)) {
 			const float fade = bstrength * tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, smooth_mask ? 0.0f : *vd.mask, thread_id);
+			        vd.no, vd.fno, smooth_mask ? 0.0f : *vd.mask, tls->thread_id);
 			if (smooth_mask) {
 				float val = bmesh_neighbor_average_mask(vd.bm_vert, vd.cd_vert_mask_offset) - *vd.mask;
 				val *= fade * bstrength;
@@ -1722,10 +1744,10 @@ static void do_smooth_brush_bmesh_task_cb_ex(
 }
 
 static void do_smooth_brush_multires_task_cb_ex(
-        void *userdata, void *userdata_chunk, const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
-	SculptDoBrushSmoothGridDataChunk *data_chunk = userdata_chunk;
+	SculptDoBrushSmoothGridDataChunk *data_chunk = tls->userdata_chunk;
 	SculptSession *ss = data->ob->sculpt;
 	Sculpt *sd = data->sd;
 	const Brush *brush = data->brush;
@@ -1837,7 +1859,7 @@ static void do_smooth_brush_multires_task_cb_ex(
 					const float strength_mask = (smooth_mask ? 0.0f : *mask);
 					const float fade = bstrength * tex_strength(
 					        ss, brush, co, sqrtf(test.dist),
-					        NULL, fno, strength_mask, thread_id);
+					        NULL, fno, strength_mask, tls->thread_id);
 					float f = 1.0f / 16.0f;
 
 					if (x == 0 || x == gridsize - 1)
@@ -1895,6 +1917,10 @@ static void smooth(
 		    .smooth_mask = smooth_mask, .strength = strength,
 		};
 
+		ParallelRangeSettings settings;
+		BLI_parallel_range_settings_defaults(&settings);
+		settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+
 		switch (type) {
 			case PBVH_GRIDS:
 			{
@@ -1909,22 +1935,30 @@ static void smooth(
 				data_chunk->tmpgrid_size = size;
 				size += sizeof(*data_chunk);
 
-				BLI_task_parallel_range_ex(
-				            0, totnode, &data, data_chunk, size, do_smooth_brush_multires_task_cb_ex,
-				            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+				settings.userdata_chunk = data_chunk;
+				settings.userdata_chunk_size = size;
+				BLI_task_parallel_range(
+				            0, totnode,
+				            &data,
+				            do_smooth_brush_multires_task_cb_ex,
+				            &settings);
 
 				MEM_freeN(data_chunk);
 				break;
 			}
 			case PBVH_FACES:
-				BLI_task_parallel_range_ex(
-				            0, totnode, &data, NULL, 0, do_smooth_brush_mesh_task_cb_ex,
-				            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+				BLI_task_parallel_range(
+				            0, totnode,
+				            &data,
+				            do_smooth_brush_mesh_task_cb_ex,
+				            &settings);
 				break;
 			case PBVH_BMESH:
-				BLI_task_parallel_range_ex(
-				            0, totnode, &data, NULL, 0, do_smooth_brush_bmesh_task_cb_ex,
-				            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+				BLI_task_parallel_range(
+				            0, totnode,
+				            &data,
+				            do_smooth_brush_bmesh_task_cb_ex,
+				            &settings);
 				break;
 		}
 
@@ -1940,7 +1974,7 @@ static void do_smooth_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnod
 }
 
 static void do_mask_brush_draw_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -1958,7 +1992,7 @@ static void do_mask_brush_draw_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, vd.co)) {
 			const float fade = tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, 0.0f, thread_id);
+			        vd.no, vd.fno, 0.0f, tls->thread_id);
 
 			(*vd.mask) += fade * bstrength;
 			CLAMP(*vd.mask, 0, 1);
@@ -1979,9 +2013,14 @@ static void do_mask_brush_draw(Sculpt *sd, Object *ob, PBVHNode **nodes, int tot
 	    .sd = sd, .ob = ob, .brush = brush, .nodes = nodes,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_mask_brush_draw_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_mask_brush_draw_task_cb_ex,
+	            &settings);
 }
 
 static void do_mask_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode)
@@ -2000,7 +2039,7 @@ static void do_mask_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode)
 }
 
 static void do_draw_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2022,7 +2061,7 @@ static void do_draw_brush_task_cb_ex(
 			/* offset vertex */
 			const float fade = tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 			mul_v3_v3fl(proxy[vd.i], offset, fade);
 
@@ -2055,16 +2094,21 @@ static void do_draw_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode)
 	    .offset = offset,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_draw_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_draw_brush_task_cb_ex,
+	            &settings);
 }
 
 /**
  * Used for 'SCULPT_TOOL_CREASE' and 'SCULPT_TOOL_BLOB'
  */
 static void do_crease_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2088,7 +2132,7 @@ static void do_crease_brush_task_cb_ex(
 			/* offset vertex */
 			const float fade = tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 			float val1[3];
 			float val2[3];
 
@@ -2152,13 +2196,18 @@ static void do_crease_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnod
 	    .spvc = &spvc, .offset = offset, .flippedbstrength = flippedbstrength,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_crease_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_crease_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_pinch_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2179,7 +2228,7 @@ static void do_pinch_brush_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, vd.co)) {
 			const float fade = bstrength * tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 			float val[3];
 
 			sub_v3_v3v3(val, test.location, vd.co);
@@ -2203,13 +2252,18 @@ static void do_pinch_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode
 	    .sd = sd, .ob = ob, .brush = brush, .nodes = nodes,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_pinch_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_pinch_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_grab_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2236,7 +2290,7 @@ static void do_grab_brush_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, orig_data.co)) {
 			const float fade = bstrength * tex_strength(
 			        ss, brush, orig_data.co, sqrtf(test.dist),
-			        orig_data.no, NULL, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        orig_data.no, NULL, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 			mul_v3_v3fl(proxy[vd.i], grab_delta, fade);
 
@@ -2264,13 +2318,18 @@ static void do_grab_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode)
 	    .grab_delta = grab_delta,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_grab_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_grab_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_nudge_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2292,7 +2351,7 @@ static void do_nudge_brush_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, vd.co)) {
 			const float fade = bstrength * tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 			mul_v3_v3fl(proxy[vd.i], cono, fade);
 
@@ -2320,13 +2379,18 @@ static void do_nudge_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode
 	    .cono = cono,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_nudge_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_nudge_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_snake_hook_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2353,7 +2417,7 @@ static void do_snake_hook_brush_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, vd.co)) {
 			const float fade = bstrength * tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 			mul_v3_v3fl(proxy[vd.i], grab_delta, fade);
 
@@ -2426,13 +2490,18 @@ static void do_snake_hook_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int to
 	    .spvc = &spvc, .grab_delta = grab_delta,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_snake_hook_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_snake_hook_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_thumb_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2459,7 +2528,7 @@ static void do_thumb_brush_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, orig_data.co)) {
 			const float fade = bstrength * tex_strength(
 			        ss, brush, orig_data.co, sqrtf(test.dist),
-			        orig_data.no, NULL, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        orig_data.no, NULL, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 			mul_v3_v3fl(proxy[vd.i], cono, fade);
 
@@ -2487,13 +2556,18 @@ static void do_thumb_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode
 	    .cono = cono,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_thumb_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_thumb_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_rotate_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2521,7 +2595,7 @@ static void do_rotate_brush_task_cb_ex(
 			float vec[3], rot[3][3];
 			const float fade = bstrength * tex_strength(
 			        ss, brush, orig_data.co, sqrtf(test.dist),
-			        orig_data.no, NULL, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        orig_data.no, NULL, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 			sub_v3_v3v3(vec, orig_data.co, ss->cache->location);
 			axis_angle_normalized_to_mat3(rot, ss->cache->sculpt_normal_symm, angle * fade);
@@ -2549,13 +2623,18 @@ static void do_rotate_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnod
 	    .angle = angle,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_rotate_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_rotate_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_layer_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2589,7 +2668,7 @@ static void do_layer_brush_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, orig_data.co)) {
 			const float fade = bstrength * tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 			float *disp = &layer_disp[vd.i];
 			float val[3];
 
@@ -2634,15 +2713,20 @@ static void do_layer_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode
 	};
 	BLI_mutex_init(&data.mutex);
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_layer_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_layer_brush_task_cb_ex,
+	            &settings);
 
 	BLI_mutex_end(&data.mutex);
 }
 
 static void do_inflate_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2663,7 +2747,7 @@ static void do_inflate_brush_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, vd.co)) {
 			const float fade = bstrength * tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 			float val[3];
 
 			if (vd.fno)
@@ -2689,9 +2773,14 @@ static void do_inflate_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totno
 	    .sd = sd, .ob = ob, .brush = brush, .nodes = nodes,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_inflate_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_inflate_brush_task_cb_ex,
+	            &settings);
 }
 
 static void calc_sculpt_plane(
@@ -2806,7 +2895,7 @@ static float get_offset(Sculpt *sd, SculptSession *ss)
 }
 
 static void do_flatten_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2839,7 +2928,7 @@ static void do_flatten_brush_task_cb_ex(
 			if (plane_trim(ss->cache, brush, val)) {
 				const float fade = bstrength * tex_strength(
 				        ss, brush, vd.co, sqrtf(test.dist),
-				        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+				        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 				mul_v3_v3fl(proxy[vd.i], val, fade);
 
@@ -2878,13 +2967,18 @@ static void do_flatten_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totno
 	    .area_no = area_no, .area_co = area_co,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_flatten_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_flatten_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_clay_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -2921,7 +3015,7 @@ static void do_clay_brush_task_cb_ex(
 					 * causes glitch with planes, see: T44390 */
 					const float fade = bstrength * tex_strength(
 					        ss, brush, vd.co, sqrtf(test.dist),
-					        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+					        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 					mul_v3_v3fl(proxy[vd.i], val, fade);
 
@@ -2964,13 +3058,18 @@ static void do_clay_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode)
 	    .area_no = area_no, .area_co = area_co,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_clay_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_clay_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_clay_strips_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -3006,7 +3105,7 @@ static void do_clay_strips_brush_task_cb_ex(
 					 * causes glitch with planes, see: T44390 */
 					const float fade = bstrength * tex_strength(
 					        ss, brush, vd.co, ss->cache->radius * test.dist,
-					        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+					        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 					mul_v3_v3fl(proxy[vd.i], val, fade);
 
@@ -3074,13 +3173,18 @@ static void do_clay_strips_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int t
 	    .area_no_sp = area_no_sp, .area_co = area_co, .mat = mat,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_clay_strips_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_clay_strips_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_fill_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -3114,7 +3218,7 @@ static void do_fill_brush_task_cb_ex(
 				if (plane_trim(ss->cache, brush, val)) {
 					const float fade = bstrength * tex_strength(
 					        ss, brush, vd.co, sqrtf(test.dist),
-					        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+					        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 					mul_v3_v3fl(proxy[vd.i], val, fade);
 
@@ -3155,13 +3259,18 @@ static void do_fill_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode)
 	    .area_no = area_no, .area_co = area_co,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_fill_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_fill_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_scrape_brush_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -3194,7 +3303,7 @@ static void do_scrape_brush_task_cb_ex(
 				if (plane_trim(ss->cache, brush, val)) {
 					const float fade = bstrength * tex_strength(
 					        ss, brush, vd.co, sqrtf(test.dist),
-					        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+					        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 					mul_v3_v3fl(proxy[vd.i], val, fade);
 
@@ -3235,13 +3344,18 @@ static void do_scrape_brush(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnod
 	    .area_no = area_no, .area_co = area_co,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_scrape_brush_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_scrape_brush_task_cb_ex,
+	            &settings);
 }
 
 static void do_gravity_task_cb_ex(
-        void *userdata, void *UNUSED(userdata_chunk), const int n, const int thread_id)
+        void *userdata, const int n, const ParallelRangeTLS *tls)
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -3261,7 +3375,7 @@ static void do_gravity_task_cb_ex(
 		if (sculpt_brush_test_sq_fn(&test, vd.co)) {
 			const float fade = tex_strength(
 			        ss, brush, vd.co, sqrtf(test.dist),
-			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, thread_id);
+			        vd.no, vd.fno, vd.mask ? *vd.mask : 0.0f, tls->thread_id);
 
 			mul_v3_v3fl(proxy[vd.i], offset, fade);
 
@@ -3292,9 +3406,14 @@ static void do_gravity(Sculpt *sd, Object *ob, PBVHNode **nodes, int totnode, fl
 	    .offset = offset,
 	};
 
-	BLI_task_parallel_range_ex(
-	            0, totnode, &data, NULL, 0, do_gravity_task_cb_ex,
-	            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT), false);
+	ParallelRangeSettings settings;
+	BLI_parallel_range_settings_defaults(&settings);
+	settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
+	BLI_task_parallel_range(
+	            0, totnode,
+	            &data,
+	            do_gravity_task_cb_ex,
+	            &settings);
 }
 
 
@@ -3396,7 +3515,8 @@ static void sculpt_topology_update(Sculpt *sd, Object *ob, Brush *brush, Unified
 	}
 }
 
-static void do_brush_action_task_cb(void *userdata, const int n)
+static void do_brush_action_task_cb(void *userdata, const int n,
+                                    const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 
@@ -3423,9 +3543,14 @@ static void do_brush_action(Sculpt *sd, Object *ob, Brush *brush, UnifiedPaintSe
 			.sd = sd, .ob = ob, .brush = brush, .nodes = nodes,
 		};
 
+		ParallelRangeSettings settings;
+		BLI_parallel_range_settings_defaults(&settings);
+		settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
 		BLI_task_parallel_range(
-		            0, totnode, &task_data, do_brush_action_task_cb,
-		            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT));
+		            0, totnode,
+		            &task_data,
+		            do_brush_action_task_cb,
+		            &settings);
 
 		if (sculpt_brush_needs_normal(brush, ss->cache->normal_weight))
 			update_sculpt_normal(sd, ob, nodes, totnode);
@@ -3537,7 +3662,8 @@ static void sculpt_flush_pbvhvert_deform(Object *ob, PBVHVertexIter *vd)
 		copy_v3_v3(me->mvert[index].co, newco);
 }
 
-static void sculpt_combine_proxies_task_cb(void *userdata, const int n)
+static void sculpt_combine_proxies_task_cb(void *userdata, const int n,
+                                           const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -3604,9 +3730,14 @@ static void sculpt_combine_proxies(Sculpt *sd, Object *ob)
 			.sd = sd, .ob = ob, .brush = brush, .nodes = nodes,
 		};
 
+		ParallelRangeSettings settings;
+		BLI_parallel_range_settings_defaults(&settings);
+		settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
 		BLI_task_parallel_range(
-		            0, totnode, &data, sculpt_combine_proxies_task_cb,
-		            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT));
+		            0, totnode,
+		            &data,
+		            sculpt_combine_proxies_task_cb,
+		            &settings);
 	}
 
 	if (nodes)
@@ -3632,7 +3763,8 @@ static void sculpt_update_keyblock(Object *ob)
 	}
 }
 
-static void sculpt_flush_stroke_deform_task_cb(void *userdata, const int n)
+static void sculpt_flush_stroke_deform_task_cb(void *userdata, const int n,
+                                               const ParallelRangeTLS *UNUSED(tls))
 {
 	SculptThreadedTaskData *data = userdata;
 	SculptSession *ss = data->ob->sculpt;
@@ -3685,9 +3817,14 @@ static void sculpt_flush_stroke_deform(Sculpt *sd, Object *ob)
 			.vertCos = vertCos,
 		};
 
+		ParallelRangeSettings settings;
+		BLI_parallel_range_settings_defaults(&settings);
+		settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
 		BLI_task_parallel_range(
-		            0, totnode, &data, sculpt_flush_stroke_deform_task_cb,
-		            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT));
+		            0, totnode,
+		            &data,
+		            sculpt_flush_stroke_deform_task_cb,
+		            &settings);
 
 		if (vertCos) {
 			sculpt_vertcos_to_key(ob, ss->kb, vertCos);
diff --git a/source/blender/editors/sculpt_paint/sculpt_undo.c b/source/blender/editors/sculpt_paint/sculpt_undo.c
index a10c7477dc6..73aaedc856e 100644
--- a/source/blender/editors/sculpt_paint/sculpt_undo.c
+++ b/source/blender/editors/sculpt_paint/sculpt_undo.c
@@ -319,7 +319,8 @@ static bool sculpt_undo_restore_mask(bContext *C, DerivedMesh *dm, SculptUndoNod
 	return 1;
 }
 
-static void sculpt_undo_bmesh_restore_generic_task_cb(void *userdata, const int n)
+static void sculpt_undo_bmesh_restore_generic_task_cb(void *userdata, const int n,
+                                                      const ParallelRangeTLS *UNUSED(tls))
 {
 	PBVHNode **nodes = userdata;
 
@@ -347,9 +348,14 @@ static void sculpt_undo_bmesh_restore_generic(bContext *C,
 
 		BKE_pbvh_search_gather(ss->pbvh, NULL, NULL, &nodes, &totnode);
 
+		ParallelRangeSettings settings;
+		BLI_parallel_range_settings_defaults(&settings);
+		settings.use_threading = ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT);
 		BLI_task_parallel_range(
-		            0, totnode, nodes, sculpt_undo_bmesh_restore_generic_task_cb,
-		            ((sd->flags & SCULPT_USE_OPENMP) && totnode > SCULPT_THREADED_LIMIT));
+		            0, totnode,
+		            nodes,
+		            sculpt_undo_bmesh_restore_generic_task_cb,
+		            &settings);
 
 		if (nodes)
 			MEM_freeN(nodes);