1 files changed, 27 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/paint_vertcol_vert.glsl b/source/blender/draw/engines/overlay/shaders/paint_vertcol_vert.glsl
new file mode 100644
index 00000000000..e060e33deba
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/paint_vertcol_vert.glsl
@@ -0,0 +1,27 @@
+
+in vec3 pos;
+in vec3 ac; /* active color */
+
+out vec3 finalColor;
+
+vec3 srgb_to_linear_attr(vec3 c)
+{
+  c = max(c, vec3(0.0));
+  vec3 c1 = c * (1.0 / 12.92);
+  vec3 c2 = pow((c + 0.055) * (1.0 / 1.055), vec3(2.4));
+  return mix(c1, c2, step(vec3(0.04045), c));
+}
+
+void main()
+{
+  GPU_INTEL_VERTEX_SHADER_WORKAROUND
+
+  vec3 world_pos = point_object_to_world(pos);
+  gl_Position = point_world_to_ndc(world_pos);
+
+  finalColor = srgb_to_linear_attr(ac);
+
+#ifdef USE_WORLD_CLIP_PLANES
+  world_clip_planes_calc_clip_distance(world_pos);
+#endif
+}