1 files changed, 16 insertions, 0 deletions
diff --git a/source/lessons/instanced_rendering/basic quads/shaders/refl.vs.glsl b/source/lessons/instanced_rendering/basic quads/shaders/refl.vs.glsl
new file mode 100644
index 0000000..b8f2b97
--- /dev/null
+++ b/source/lessons/instanced_rendering/basic quads/shaders/refl.vs.glsl
@@ -0,0 +1,16 @@
+#version 330 core
+layout(location=0) in vec3 aPos;
+layout(location=1) in vec3 aNormal;
+
+uniform mat4 View;
+uniform mat4 Model;
+uniform mat4 Projection;
+
+out vec3 Normal;
+out vec3 Position;
+
+void main() {
+  Normal = mat3(transpose(inverse(Model))) * aNormal;
+  Position = vec3(Model * vec4(aPos, 1.0));
+  gl_Position = Projection * View * Model * vec4(aPos, 1.0);
+};