1 files changed, 31 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/outline_lightprobe_grid_vert.glsl b/source/blender/draw/engines/overlay/shaders/outline_lightprobe_grid_vert.glsl
new file mode 100644
index 00000000000..144024a7d5d
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/outline_lightprobe_grid_vert.glsl
@@ -0,0 +1,31 @@
+
+uniform ivec3 grid_resolution;
+uniform vec3 corner;
+uniform vec3 increment_x;
+uniform vec3 increment_y;
+uniform vec3 increment_z;
+
+flat out int objectId;
+
+void main()
+{
+  vec3 ls_cell_location;
+  /* Keep in sync with update_irradiance_probe */
+  ls_cell_location.z = float(gl_VertexID % grid_resolution.z);
+  ls_cell_location.y = float((gl_VertexID / grid_resolution.z) % grid_resolution.y);
+  ls_cell_location.x = float(gl_VertexID / (grid_resolution.z * grid_resolution.y));
+
+  vec3 ws_cell_location = corner +
+                          (increment_x * ls_cell_location.x + increment_y * ls_cell_location.y +
+                           increment_z * ls_cell_location.z);
+
+  gl_Position = ViewProjectionMatrix * vec4(ws_cell_location, 1.0);
+  gl_PointSize = 2.0f;
+
+  /* ID 0 is nothing (background) */
+  objectId = resource_handle + 1;
+
+#ifdef USE_WORLD_CLIP_PLANES
+  world_clip_planes_calc_clip_distance(ws_cell_location);
+#endif
+}