#version 400 out vec4 frag_colour; uniform vec3 diffuse; uniform vec2 position; uniform sampler2D image; in vec2 vertex_textureCoordinates; void main() { //frag_colour = texture( image, vertex_textureCoordinates ); frag_colour = vec4(vertex_textureCoordinates, 0.0, 1.0); frag_colour = vec4(1.0); }