#ifdef GL_ES

precision mediump float;

#endif

uniform mat3 worldToOutput;

uniform vec4 outputRect;

varying vec4 inputRect[2];

varying mat3 worldToInput[2];

void main( void )

{

  // Let the input and output references be the same

  worldToInput[0] = worldToOutput;

  worldToInput[1] = worldToOutput;

  inputRect[0]    = outputRect;

  inputRect[1]    = outputRect;

  gl_Position = vec4(0.0);                            // Does not link without

}