Initial commit

Win32.DX11.Release/data/shaders/glsl/selection_box_variable.vertex

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+// __multiversion__
+// This signals the loading code to prepend either #version 100 or #version 300 es as apropriate.
+
+#include "shaders/vertexVersionSimple.h"
+#include "shaders/uniformWorldConstants.h"
+#include "shaders/util_vertex.h"
+
+attribute mediump vec4 POSITION;
+attribute vec4 WEIGHTS;
+
+void main()
+{
+    gl_Position = WORLDVIEWPROJ * POSITION;
+
+	gl_Position.xy += computeScreenOffsets(POSITION.xyz, WEIGHTS, WORLDVIEWPROJ);
+
+    //this is to make it come closer to the camera and avoid z-fighting
+    gl_Position.z -= 0.0001;
+}