Fix negate_m3 (taking 4x4 matrix)

Cycles bake used incorrectly.

3 files changed, 3 insertions, 3 deletions

diff --git a/source/blender/blenlib/BLI_math_matrix.h b/source/blender/blenlib/BLI_math_matrix.h
index 732f4b66f38..e58e42f3c2d 100644
--- a/source/blender/blenlib/BLI_math_matrix.h
+++ b/source/blender/blenlib/BLI_math_matrix.h
@@ -125,7 +125,7 @@ void mul_m3_fl(float R[3][3], float f);
 void mul_m4_fl(float R[4][4], float f);
 void mul_mat3_m4_fl(float R[4][4], float f);
 
-void negate_m3(float R[4][4]);
+void negate_m3(float R[3][3]);
 void negate_m4(float R[4][4]);
 
 bool invert_m3_ex(float m[3][3], const float epsilon);
diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c
index af42af88582..6b40f0cf28e 100644
--- a/source/blender/blenlib/intern/math_matrix.c
+++ b/source/blender/blenlib/intern/math_matrix.c
@@ -639,7 +639,7 @@ void mul_mat3_m4_fl(float m[4][4], float f)
 			m[i][j] *= f;
 }
 
-void negate_m3(float m[4][4])
+void negate_m3(float m[3][3])
 {
 	int i, j;
 
diff --git a/source/blender/editors/object/object_bake_api.c b/source/blender/editors/object/object_bake_api.c
index 5746f9efd56..4821ffd4119 100644
--- a/source/blender/editors/object/object_bake_api.c
+++ b/source/blender/editors/object/object_bake_api.c
@@ -768,7 +768,7 @@ static int bake(
 			normalize_m4_m4(highpoly[i].rotmat, highpoly[i].imat);
 			zero_v3(highpoly[i].rotmat[3]);
 			if (is_negative_m4(highpoly[i].rotmat))
-				negate_m3(highpoly[i].rotmat);
+				negate_m4(highpoly[i].rotmat);
 
 			i++;
 		}