1 files changed, 32 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/paint_point_vert.glsl b/source/blender/draw/engines/overlay/shaders/paint_point_vert.glsl
new file mode 100644
index 00000000000..9d102bd4295
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/paint_point_vert.glsl
@@ -0,0 +1,32 @@
+
+in vec3 pos;
+in vec4 nor; /* select flag on the 4th component */
+
+out vec4 finalColor;
+
+void main()
+{
+  GPU_INTEL_VERTEX_SHADER_WORKAROUND
+
+  bool is_select = (nor.w > 0.0);
+  bool is_hidden = (nor.w < 0.0);
+
+  vec3 world_pos = point_object_to_world(pos);
+  gl_Position = point_world_to_ndc(world_pos);
+  /* Add offset in Z to avoid zfighting and render selected wires on top. */
+  /* TODO scale this bias using znear and zfar range. */
+  gl_Position.z -= (is_select ? 2e-4 : 1e-4);
+
+  if (is_hidden) {
+    gl_Position = vec4(-2.0, -2.0, -2.0, 1.0);
+  }
+
+  finalColor = (is_select) ? vec4(1.0) : colorWire;
+  finalColor.a = nor.w;
+
+  gl_PointSize = sizeVertex * 2.0;
+
+#ifdef USE_WORLD_CLIP_PLANES
+  world_clip_planes_calc_clip_distance(world_pos);
+#endif
+}