crashy

#version 460 core

precision highp float;

layout(location = 0) uniform float width;
layout(location = 1) uniform float height;
layout(location = 2) uniform float animation;
layout(location = 3) uniform sampler2D source;

out vec4 fragColor;

void main() {
    vec2 uv = gl_FragCoord.xy / vec2(width, height);
    fragColor = texture(source, uv, -1.0) * animation;
}