| #version 450 | |
| layout (location = 0) out vec4 color; | |
| layout (constant_id = 1) const float opacity = 0.5; | |
| layout (location = 0) uniform vec3 in_color = vec3(1.0, 0.5, 0); | |
| layout (location = 4) uniform float foo = opacity; | |
| void main() | |
| { | |
| color = vec4(in_color, foo); | |
| } |