/** 
 * @file sunLightF.glsl
 *
 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 * $/LicenseInfo$
 */

varying vec4 vary_light;
varying vec2 vary_fragcoord;

uniform vec2 screen_res;

void main()
{
	//transform vertex
	gl_Position = ftransform(); 
	vec4 pos = gl_ModelViewProjectionMatrix * gl_Vertex;
	vary_fragcoord = (pos.xy * 0.5 + 0.5)*screen_res;	
	vec4 tex = gl_MultiTexCoord0;
	tex.w = 1.0;
	
	vary_light = gl_MultiTexCoord0;
		
	gl_FrontColor = gl_Color;
}