Clarify doc

1 files changed, 25 insertions, 0 deletions

diff --git a/src/llr/light_impl.h b/src/llr/light_impl.h
new file mode 100644
index 0000000..32203c4
--- /dev/null
+++ b/src/llr/light_impl.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <../../include/gfx/llr/light.h>
+
+#include "../scene/types.h"
+
+typedef struct Texture Texture;
+
+/// An environment light.
+typedef struct EnvironmentLight {
+  const Texture* environment_map;
+  const Texture* irradiance_map;              // Renderer implementation.
+  const Texture* prefiltered_environment_map; // Renderer implementation.
+  int max_reflection_lod; // Mandatory when prefiltered_environment_map is
+                          // given.
+} EnvironmentLight;
+
+/// A scene light.
+typedef struct Light {
+  LightType type;
+  union {
+    EnvironmentLight environment;
+  };
+  node_idx parent; // Parent SceneNode.
+} Light;