neercs/neercs/video/remanency.lolfx

-- GLSL.Vert --

#version 120

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

-- GLSL.Frag --

#version 120

uniform sampler2D texture;
uniform sampler2D texture_prv;
uniform vec2 screen_size;
uniform float time;
uniform float value;

void main(void)
	{
	vec2 p=gl_TexCoord[0].xy;
	vec4 source=texture2D(texture,p);
	vec4 remanency=texture2D(texture_prv,p);
	vec4 color=source*(1.0-value)+remanency*value;
	gl_FragColor=color;
	}