#version 130

uniform sampler2D qt_Texture0;
varying vec2 qt_TexCoord0;
uniform vec2 scale;

void main(void)
{
    float c = texture2D(qt_Texture0, qt_TexCoord0).r;
    c = c*scale.x + scale.y;
    float color = pow(c, 0.4545);
    gl_FragColor = vec4(color, color, color, 1.0);
}