#version 450 layout(set = 0, binding = 0) uniform sampler2D tex; layout(location = 0) in vec2 uv; layout(location = 0) out vec4 out_color; layout(push_constant) uniform UBO { layout(offset = 80) float alpha; } data; void main() { out_color = textureLod(tex, uv, 0); out_color *= data.alpha; }