#version 460 core
#extension GL_EXT_nonuniform_qualifier : require

layout (location = 0) out vec4 fragColor;

layout (set = 0, binding = 1) uniform sampler2D textures[]; // for textures (global)

// between shader stages
layout(location = 0) in struct
{
  vec2 uv; // location = 0
} In;

// material stuff
layout(location = 1) flat in struct
{
  uint textureIndex;
  vec4 color; 
} InFlat;


void main ()
{
	fragColor = vec4 (texture(textures [nonuniformEXT(InFlat.textureIndex)], In.uv)) * InFlat.color;
  if (fragColor.a < 0.01f)
    discard;
}