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res/screen.glslv

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+#version 330 core
+
+layout (location = 0) in vec2 v_position;
+
+out vec2 v_coord;
+
+void main(){
+	v_coord = v_position*0.5+0.5;
+	gl_Position = vec4(v_position, 0.0, 1.0);
+}