Initial commit.

Framework/lights/directional_light.h

@@ -0,0 +1,23 @@
+// Copyright 2009-2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+#include <math/vec.h>
+
+namespace embree {
+    Light_SampleRes DirectionalLight_sample(const Light* super,
+                                                const Sample& dg,
+                                                const Vec2f& s);
+
+    Light_EvalRes DirectionalLight_eval(const Light* super,
+                                        const Sample&,
+                                        const Vec3fa& dir);
+
+    extern "C" void* DirectionalLight_create();
+
+    extern "C" void DirectionalLight_set(void* super,
+                                         const Vec3fa& direction,
+                                         const Vec3fa& radiance,
+                                         float cosAngle);
+}