uniform sampler2D tex;

#ifndef set_pixel
#define set_pixel set_pixel_linear
#endif

void set_pixel_linear(vec3 c)
{
	gl_FragColor.rgb = c;
	gl_FragColor.a = 1.0;
}

void set_pixel_srgb(vec3 c)
{
	gl_FragColor.rgb = pow(c, vec3(1.0 / 2.2));
	gl_FragColor.a = 1.0;
}

void main()
{
	vec3 texel = texture2D(tex, gl_TexCoord[0].st).rgb;

	set_pixel(texel);
}