blurppv.shader

void main() 
{
    //Use the first set of texture coordinates in the fragment shader 
    gl_TexCoord[0] = gl_MultiTexCoord0;

    // Transform the position to screen space
    gl_Position = ftransform(); 
}

~~~~~

uniform sampler2D Texture0;

uniform float blur; // sweetspot: 0.004

/*

void main(void)
{

  vec4 outp = vec4(0.0, 0.0, 0.0, 0.0);

  outp += 0.015625 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*-3.0) );
  outp += 0.09375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*-2.0) );
  outp += 0.234375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*-1.0) );
  outp += 0.3125 * texture2D(Texture0, gl_TexCoord[0].xy  );
  outp += 0.234375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*1.0) );
  outp += 0.09375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*2.0) );
  outp += 0.015625 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*3.0) );

  gl_FragColor = outp;
 } 

*/

void main(void)
{

  vec4 outp = vec4(0.0, 0.0, 0.0, 0.0);

    outp += 0.015625 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*-6.0) );
    outp += 0.0596875 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*-5.0) );
    outp += 0.09375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*-4.0) );
    outp += 0.1640625 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*-3.0) );
    outp += 0.234375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*-2.0) );
    outp += 0.2734375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*-1.0) );
    outp += 0.3125 * texture2D(Texture0, gl_TexCoord[0].xy  );
    outp += 0.2734375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*1.0) );
    outp += 0.234375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*2.0) );
    outp += 0.1640625 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*3.0) );
    outp += 0.09375 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*4.0) );
    outp += 0.0596875 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*5.0) );
    outp += 0.015625 * texture2D(Texture0, gl_TexCoord[0].xy + vec2(0.0,blur*6.0) );

    gl_FragColor = outp * 0.5;
 } 

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