[require]
GLSL >= 1.20
require GL_ARB_shader_texture_lod

[vertex shader]
#version 120

varying vec2 texcoord;

void main()
{
       texcoord = (vec2(gl_Vertex) + 1.0) / 2.0;
       gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
}

[fragment shader]
#version 120
#extension GL_ARB_shader_texture_lod: enable

uniform sampler2D sampler;
uniform float lod;

varying vec2 texcoord;

void main()
{
       gl_FragColor = texture2DLod(sampler, texcoord, lod);
}

[test]
ortho
clear color 0.4 0.4 0.4 0.0
clear
uniform int sampler 0
texture miptree 0
texparameter 2D min nearest_mipmap_nearest
texparameter 2D mag nearest

uniform float lod 0
draw rect 10 10 10 10
probe rgb 15 15 1.0 0.0 0.0

uniform float lod 1
draw rect 30 10 10 10
probe rgb 35 15 0.0 1.0 0.0

uniform float lod 2
draw rect 50 10 10 10
probe rgb 55 15 0.0 0.0 1.0

uniform float lod 3
draw rect 70 10 10 10
probe rgb 75 15 1.0 1.0 1.0