1 files changed, 20 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/overlay_paint_vertcol_frag.glsl b/source/blender/draw/engines/overlay/shaders/overlay_paint_vertcol_frag.glsl
new file mode 100644
index 00000000000..193fabc65cb
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/overlay_paint_vertcol_frag.glsl
@@ -0,0 +1,20 @@
+vec3 linear_to_srgb_attr(vec3 c)
+{
+  c = max(c, vec3(0.0));
+  vec3 c1 = c * 12.92;
+  vec3 c2 = 1.055 * pow(c, vec3(1.0 / 2.4)) - 0.055;
+  return mix(c1, c2, step(vec3(0.0031308), c));
+}
+
+void main()
+{
+  vec3 color = linear_to_srgb_attr(finalColor);
+
+  if (useAlphaBlend) {
+    fragColor = vec4(color, opacity);
+  }
+  else {
+    /* mix with 1.0 -> is like opacity when using multiply blend mode */
+    fragColor = vec4(mix(vec3(1.0), color, opacity), 1.0);
+  }
+}