3 files changed, 15 insertions, 14 deletions

diff --git a/source/blender/blenkernel/BKE_subdiv.h b/source/blender/blenkernel/BKE_subdiv.h
index 0d262b53743..28efb159b09 100644
--- a/source/blender/blenkernel/BKE_subdiv.h
+++ b/source/blender/blenkernel/BKE_subdiv.h
@@ -259,10 +259,11 @@ BLI_INLINE int BKE_subdiv_rotate_quad_to_corner(
         const float quad_u, const float quad_v,
         float *r_corner_u, float *r_corner_v);
 
-/* Inverse of above. */
-BLI_INLINE void BKE_subdiv_rotate_corner_to_quad(
+/* Converts (u, v) coordinate from within a grid to a quad coordinate in
+ * normalized ptex coordinates. */
+BLI_INLINE void BKE_subdiv_rotate_grid_to_quad(
         const int corner,
-        const float corner_u, const float corner_v,
+        const float grid_u, const float grid_v,
         float *r_quad_u, float *r_quad_v);
 
 #include "intern/subdiv_inline.h"
diff --git a/source/blender/blenkernel/intern/subdiv_ccg.c b/source/blender/blenkernel/intern/subdiv_ccg.c
index a94df94a2c6..9802c8a0088 100644
--- a/source/blender/blenkernel/intern/subdiv_ccg.c
+++ b/source/blender/blenkernel/intern/subdiv_ccg.c
@@ -227,7 +227,7 @@ static void subdiv_ccg_eval_regular_grid(CCGEvalGridsData *data,
 			for (int x = 0; x < grid_size; x++) {
 				const float grid_u = (float)x * grid_size_1_inv;
 				float u, v;
-				BKE_subdiv_rotate_corner_to_quad(
+				BKE_subdiv_rotate_grid_to_quad(
 				        corner, grid_u, grid_v, &u, &v);
 				const size_t grid_element_index = (size_t)y * grid_size + x;
 				const size_t grid_element_offset =
diff --git a/source/blender/blenkernel/intern/subdiv_inline.h b/source/blender/blenkernel/intern/subdiv_inline.h
index 1863c8602e6..b779cee59dc 100644
--- a/source/blender/blenkernel/intern/subdiv_inline.h
+++ b/source/blender/blenkernel/intern/subdiv_inline.h
@@ -77,27 +77,27 @@ BLI_INLINE int BKE_subdiv_rotate_quad_to_corner(
 	return corner;
 }
 
-BLI_INLINE void BKE_subdiv_rotate_corner_to_quad(
+BLI_INLINE void BKE_subdiv_rotate_grid_to_quad(
         const int corner,
-        const float corner_u, const float corner_v,
+        const float grid_u, const float grid_v,
         float *r_quad_u, float *r_quad_v)
 {
 	if (corner == 0) {
-		*r_quad_u = 0.5f - corner_v * 0.5f;
-		*r_quad_v = 0.5f - corner_u * 0.5f;
+		*r_quad_u = 0.5f - grid_v * 0.5f;
+		*r_quad_v = 0.5f - grid_u * 0.5f;
 	}
 	else if (corner == 1) {
-		*r_quad_u = 0.5f + corner_u * 0.5f;
-		*r_quad_v = 0.5f - corner_v * 0.5f;
+		*r_quad_u = 0.5f + grid_u * 0.5f;
+		*r_quad_v = 0.5f - grid_v * 0.5f;
 	}
 	else if (corner == 2) {
-		*r_quad_u = 0.5f + corner_v * 0.5f;
-		*r_quad_v = 0.5f + corner_u * 0.5f;
+		*r_quad_u = 0.5f + grid_v * 0.5f;
+		*r_quad_v = 0.5f + grid_u * 0.5f;
 	}
 	else {
 		BLI_assert(corner == 3);
-		*r_quad_u = 0.5f - corner_u * 0.5f;
-		*r_quad_v = 0.5f + corner_v * 0.5f;
+		*r_quad_u = 0.5f - grid_u * 0.5f;
+		*r_quad_v = 0.5f + grid_v * 0.5f;
 	}
 }