Add rendering support for spot lights

1 files changed, 23 insertions, 0 deletions

diff --git a/gfx/gl/shaders/spotLight.vs b/gfx/gl/shaders/spotLight.vs
new file mode 100644
index 0000000..e648553
--- /dev/null
+++ b/gfx/gl/shaders/spotLight.vs
@@ -0,0 +1,23 @@
+#version 330 core
+
+layout(location = 0) in vec3 v_position;
+layout(location = 1) in vec3 v_direction;
+
+uniform vec3 colour;
+uniform float kq;
+uniform float arc;
+
+out vec3 position;
+out vec3 direction;
+out float size;
+out float cosarc;
+
+void
+main()
+{
+	position = v_position;
+	direction = normalize(v_direction);
+	size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
+	cosarc = cos(arc / 2);
+	gl_Position = vec4(position, 0);
+}