Add VertexArray, BufferLayout, BufferElement

assets/glsl/simple.frag

@@ -2,9 +2,10 @@
 
 layout(location = 0) out vec4 color;
 
-in vec3 position;
+in vec3 p_position;
+in vec4 p_color;
 
 void main()
 {
-	color = vec4(position * 0.5f + 0.5f, 1.0f);
+	color = p_color;
 }

assets/glsl/simple.vert

@@ -1,11 +1,14 @@
 #version 450 core
 
 layout(location = 0) in vec3 a_position;
+layout(location = 1) in vec4 a_color;
 
-out vec3 position;
+out vec3 p_position;
+out vec4 p_color;
 
 void main()
 {
-	position = a_position;
+	p_position = a_position;
+	p_color = a_color;
 	gl_Position = vec4(a_position, 1.0f);
 }