-- GLSL.Vert --

#version 120

void main()
	{
	gl_Position=gl_Vertex;
	gl_TexCoord[0]=gl_MultiTexCoord0;
	}

-- GLSL.Frag --

#version 120

uniform sampler2D texture;
uniform float screen_w;
uniform float screen_h;
uniform float time;
uniform float value;

float blur=value;

void main(void)
	{
	vec4 total=vec4(0.0);
	vec2 p=gl_TexCoord[0].xy/vec2(screen_w,screen_h);
	total+=texture2D(texture,vec2(p.x,p.y-blur*4.0))*0.04;
	total+=texture2D(texture,vec2(p.x,p.y-blur*3.0))*0.08;
	total+=texture2D(texture,vec2(p.x,p.y-blur*2.0))*0.12;
	total+=texture2D(texture,vec2(p.x,p.y-blur    ))*0.16;
	total+=texture2D(texture,vec2(p.x,p.y         ))*0.20;
	total+=texture2D(texture,vec2(p.x,p.y+blur    ))*0.16;
	total+=texture2D(texture,vec2(p.x,p.y+blur*2.0))*0.12;
	total+=texture2D(texture,vec2(p.x,p.y+blur*3.0))*0.08;
	total+=texture2D(texture,vec2(p.x,p.y+blur*4.0))*0.04;
	gl_FragColor=total;
	}