Force TechRacer maps when image map is selected. Fixes
Google Code issue #882
If you start a TechRacer map with an image map selected, the resulting map will likely to be completely unplayable.
So this commit disables this.
precision mediump float;
uniform sampler2D tex0;
uniform vec4 tint;
uniform bool enableTexture;
varying vec2 tex;
void main()
{
if(enableTexture){
gl_FragColor = texture2D(tex0, tex) * tint;
}else{
gl_FragColor = tint;
}
}