#ifdef GL_ES
precision mediump int;
precision highp float;
#endif

#define USE_OGRE_FROM_FUTURE
#include <OgreUnifiedShader.h>

SAMPLER2D(alphaTexture, 0);

OGRE_UNIFORMS(
uniform vec4 materialColor;
uniform vec4 slicePlane;
)

MAIN_PARAMETERS
IN(vec4 oUv0, TEXCOORD0)
IN(vec4 oWp, TEXCOORD1)
MAIN_DECLARATION
{
  if(((slicePlane.x + slicePlane.y + slicePlane.z) != 0.0) && (slicePlane.x * oWp.x + slicePlane.y * oWp.y + slicePlane.z * oWp.z + slicePlane.w > 0.0))
    discard;
  
  float alpha = texture2D(alphaTexture, oUv0.xy).a * materialColor.a;
  float finalDepth = oUv0.z / oUv0.w;
  gl_FragColor = vec4(finalDepth, alpha, finalDepth, finalDepth);
}