1 files changed, 51 insertions, 0 deletions
diff --git a/source/blender/draw/modes/shaders/edit_mesh_overlay_common_lib.glsl b/source/blender/draw/modes/shaders/edit_mesh_overlay_common_lib.glsl
new file mode 100644
index 00000000000..dabbb4a321a
--- /dev/null
+++ b/source/blender/draw/modes/shaders/edit_mesh_overlay_common_lib.glsl
@@ -0,0 +1,51 @@
+#define EDGE_EXISTS     (1 << 0)
+#define EDGE_ACTIVE     (1 << 1)
+#define EDGE_SELECTED   (1 << 2)
+#define EDGE_SEAM       (1 << 3)
+#define EDGE_SHARP      (1 << 4)
+#define EDGE_VERTEX_ACTIVE   (1 << (0 + 8))
+#define EDGE_VERTEX_SELECTED (1 << (1 + 8))
+
+#define VERTEX_ACTIVE   (1 << 0)
+#define VERTEX_SELECTED (1 << 1)
+
+
+vec4 EDIT_MESH_edge_color_outer(int edge_flag, bool face_active, float crease, float bweight)
+{
+	vec4 color = vec4(0.0);
+	color = ((edge_flag & EDGE_SHARP) != 0) ? colorEdgeSharp : color;
+	color = (crease > 0.0) ? vec4(colorEdgeCrease.rgb, crease) : color;
+	color = (bweight > 0.0) ? vec4(colorEdgeBWeight.rgb, bweight) : color;
+	color = ((edge_flag & EDGE_SEAM) != 0) ? colorEdgeSeam : color;
+
+	if (face_active)
+	{
+		color = colorEditMeshActive;
+	}
+	return color;
+}
+
+vec4 EDIT_MESH_edge_color_inner(int edge_flag, bool face_active)
+{
+#ifdef EDGE_SELECTION
+	vec4 color = colorWireEdit;
+	color = ((edge_flag & EDGE_SELECTED) != 0) ? colorEdgeSelect : color;
+	color = ((edge_flag & EDGE_ACTIVE) != 0) ? colorEditMeshActive : color;
+
+#else
+	vec4 color = colorWireEdit;
+	color = ((edge_flag & EDGE_SELECTED) != 0) ? colorEdgeSelect : color;
+#endif
+	return color;
+}
+
+vec4 EDIT_MESH_vertex_color(int vertex_flag)
+{
+	if ((vertex_flag & (VERTEX_ACTIVE | VERTEX_SELECTED)) != 0)
+	{
+		return colorEdgeSelect;
+	}
+	else {
+		return colorWireEdit;
+	}
+}