TDT4230_final_project/res/shaders/post.frag

#version 430 core

layout(location = 0) out vec4 color_out;

layout(binding = 0) uniform sampler2D framebuffer;
layout(binding = 1) uniform sampler2D depthbuffer;

uniform uint windowWidth;
uniform uint windowHeight;

uniform float time;

void main() {
    vec2 dx = vec2(1,0) * 1.0/windowWidth;
    vec2 dy = vec2(0,1) * 1.0/windowHeight;
    vec2 UV = gl_FragCoord.xy / vec2(windowWidth, windowHeight);

    float z = pow(texture(depthbuffer, UV).r , 0x800);
    z = abs(z*2-1)*1.2;
    color_out = vec4(vec3(texture(depthbuffer, UV).r), 1.0);
}