Comments improvements

@@ -16,0 +58,4 @@
+  float near_box_t = distance(ws_near_plane, ws_near_box);
+  float far_box_t = distance(ws_near_plane, interp.P);
+  /* Depth test. */
+  far_box_t = min(far_box_t, distance(ws_near_plane, ws_opaque));

@@ -16,0 +78,4 @@
+    vec3 P = ws_near_plane + (ws_view_direction * t);
+    vec3 vP = vs_near_plane + (vs_view_direction * t);
+    /* TODO (Miguel Pozo): Pass step size to ensure conservative enough LOD selection */
+    shadow_tag_usage(vP, P, gl_FragCoord.xy * pow(2, fb_lod));

@@ -10,0 +19,4 @@
+  if (is_persp) {
+    inflate_scale *= -vP.z;
+  }
+  inflate_scale *= 0.5f; /* Half pixel. */

@@ -10,0 +23,4 @@
+
+  vec3 vs_inflate_vector = normal_object_to_view(sign(lP - ls_center));
+  vs_inflate_vector.z = 0;
+  vs_inflate_vector /= max_v2(abs(vs_inflate_vector));

@@ -14,0 +63,4 @@
+  }
+
+#ifdef DEBUG_CONSERVATIVE_RASTERIZATION
+  interp.ls_aabb_min = point_world_to_object(ws_aabb_min);

@@ -18,0 +25,4 @@
+}
+
+void shadow_tag_usage_tilemap_directional(
+    uint l_idx, vec3 P, vec3 V, float dist_to_cam, float radius)

@@ -89,3 +148,3 @@
 }
 
-void shadow_tag_usage(vec3 vP, vec3 P, vec2 pixel)
+void shadow_tag_usage(vec3 vP, vec3 P, vec3 V, float radius, float dist_to_cam, vec2 pixel)

@@ -176,0 +174,4 @@
+ShadowCoordinates shadow_directional_coordinates(LightData light, vec3 lP)
+{
+  /* TODO (Miguel Pozo): This is somewhat confusing, lP is used for P in light space, but also for
+   * P in light oriented world space ? */

@@ -102,0 +102,4 @@
+ * This function should be the inverse of ShadowDirectional::coverage_get().
+ *
+ * \a lP shading point position in light space relative to the view position
+ * (shadow_world_to_local - light._position).