Fix race condition in point density texture min/max code

2016-02-24 14:28:35 +01:00 · 2016-02-24 14:28:35 +01:00 · 43d4d72e05
parent b6d9cbe654
commit 43d4d72e05
1 changed files with 2 additions and 0 deletions
--- a/source/blender/render/intern/source/pointdensity.c
+++ b/source/blender/render/intern/source/pointdensity.c
@ -834,11 +834,13 @@ void RE_point_density_sample(
 		return;
 	}

+	BLI_mutex_lock(&sample_mutex);
 	RE_point_density_minmax(scene,
 	                        pd,
 	                        use_render_params,
 	                        min,
 	                        max);
+	BLI_mutex_unlock(&sample_mutex);
 	sub_v3_v3v3(dim, max, min);
 	if (dim[0] <= 0.0f || dim[1] <= 0.0f || dim[2] <= 0.0f) {
 		sample_dummy_point_density(resolution, values);