uniform sampler2D uTexGarbage;
uniform sampler2D uTexMain;
uniform samplerCube uTexCubemap;
uniform vec3 uCamera;
uniform vec4 uPlane;
uniform vec4 uColour;

#include "light_clearskies_stddef.glsl"
#include "common_scene.glsl"
#include "motion_vectors_fs.glsl"

void main()
{
   compute_motion_vectors();

   vec3 vfrag = vec3(0.5,0.5,0.5);
   vec4 vsamplemain = texture( uTexMain, aUv );
   vec4 wgarbage = texture( uTexGarbage, aCo.xz * 0.0015 + aCo.yx*0.002 );
   vec3 qnorm = aNorm.xyz;
   vfrag = vsamplemain.rgb;

   if( g_light_preview == 1 ){
      vfrag = vec3(0.5);
   }

   vfrag = scene_compute_lighting( vfrag, qnorm, aWorldCo );
   oColour = vec4( vfrag, 1.0 );

   vec3 halfdir = normalize( aWorldCo - uCamera );
   vec3 reflectdir = reflect( halfdir, qnorm );
   oColour = mix( oColour, 
                  vec4(texture(uTexCubemap,reflectdir).rgb * uColour.rgb, 1.0),
                  uColour.a*wgarbage.b );
}