#version 330 core in vec3 frag_vertex; in vec3 frag_normal; in vec2 frag_uv; out vec4 color; layout (std140) uniform matrices { mat4 view_xform; mat4 proj_xform; mat4 normal_xform; }; uniform mat4 model_xform; uniform vec4 test_color; void main() { vec4 t = test_color; if (test_color.x > 0) color = vec4(1, 0, 0, 1); else color = vec4(1, 0.5, 0.2, 1); }