Working shadows, however ugly they are.

src/Shaders/Vertex.glsl

@@ -4,6 +4,7 @@ uniform mat4 MVP;
 uniform mat4 M;
 uniform mat4 V;
 uniform mat4 P;
+uniform mat4 DepthMVP;
 
 layout (location = 0) in vec3 Position;
 layout (location = 1) in vec3 Normal;
@@ -14,6 +15,7 @@ out VertexData
 	vec3 Position;
 	vec3 Normal;
 	vec2 TextureCoord;
+	vec4 ShadowCoord;
 } Output;
 
 void main()
@@ -23,4 +25,5 @@ void main()
 	Output.Position = vec3(V * M * vec4(Position, 1.0));
 	Output.Normal = normalize(vec3(inverse(transpose(V * M)) * vec4(Normal, 0.0)));
 	Output.TextureCoord = TextureCoord;
+	Output.ShadowCoord = DepthMVP * vec4(Position, 1.0);
 }