/*{
	"DESCRIPTION": "demonstrates the use of a persistent buffer to create a motion-blur type effect. also demonstrates the simplest use of steps: a one-step rendering pass",
	"CREDIT": "by zoidberg",
	"ISFVSN": "2.0",
	"CATEGORIES": [
		"TEST-GLSL FX"
	],
	"INPUTS": [
		{
			"NAME": "inputImage",
			"TYPE": "image"
		},
		{
			"NAME": "blurAmount",
			"TYPE": "float"
		}
	],
	"PASSES": [
		{
			"TARGET": "bufferVariableNameA",
			"PERSISTENT": true,
			"FLOAT": true
		}
	]
	
}*/

void main()
{
	vec4		freshPixel = IMG_THIS_PIXEL(inputImage);
	vec4		stalePixel = IMG_THIS_PIXEL(bufferVariableNameA);
	gl_FragColor = mix(freshPixel,stalePixel,blurAmount);
}