CD_PROP_COL datalayer

This implements a generic color datalayer and its functions. Based on
D5975.

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D7838

1 files changed, 29 insertions, 0 deletions

diff --git a/source/blender/blenlib/intern/math_vector.c b/source/blender/blenlib/intern/math_vector.c
index 9009f73a62f..6ec7c960d6b 100644
--- a/source/blender/blenlib/intern/math_vector.c
+++ b/source/blender/blenlib/intern/math_vector.c
@@ -949,6 +949,35 @@ void print_vn(const char *str, const float v[], const int n)
   printf("\n");
 }
 
+void minmax_v4v4_v4(float min[4], float max[4], const float vec[4])
+{
+  if (min[0] > vec[0]) {
+    min[0] = vec[0];
+  }
+  if (min[1] > vec[1]) {
+    min[1] = vec[1];
+  }
+  if (min[2] > vec[2]) {
+    min[2] = vec[2];
+  }
+  if (min[3] > vec[3]) {
+    min[3] = vec[3];
+  }
+
+  if (max[0] < vec[0]) {
+    max[0] = vec[0];
+  }
+  if (max[1] < vec[1]) {
+    max[1] = vec[1];
+  }
+  if (max[2] < vec[2]) {
+    max[2] = vec[2];
+  }
+  if (max[3] < vec[3]) {
+    max[3] = vec[3];
+  }
+}
+
 void minmax_v3v3_v3(float min[3], float max[3], const float vec[3])
 {
   if (min[0] > vec[0]) {