Implement something like deferred lighting

shader/dualTwoD/arc.vert

@@ -1,14 +1,14 @@
 #version 430 core
-layout (location = 0) in vec3 position;
-layout (location = 1) in vec4 color;
+layout (location = 0) in vec3 pos;
+layout (location = 1) in vec4 col;
 layout (location = 2) in vec3 boxXboxYwidth;
 layout (std140, binding = 0) uniform TheMat { mat4 theMat; } ;
-out vec4 vColor;
-out vec3 vPosition;
+out vec4 vCol;
+out vec3 vPos;
 out vec3 vparams;
 void main() {
-  gl_Position = theMat * vec4(position,1);
-  vColor = color;
+  gl_Position = theMat * vec4(pos,1);
+  vCol = col;
   vparams = boxXboxYwidth;
-  vPosition = position;
+  vPos = pos;
 }