Untitled

//FRAGMENT SHADER

float linearizeDepth(float depth) {
        return (2.0 * zNear) / (zFar + zNear - depth * (zFar - zNear));
}

vec3 uvToEye(vec3 p) {
        //vec2 pos = p * 2.0f - 1.0f;
        //vec4 clipPos = vec4(p, z, 1.0f);
        //vec4 viewPos = inverse(projection) * clipPos;
        //return viewPos.xyz / viewPos.w;

        vec4 pos = inverse(projection) * vec4(p * 2 - 1, 1);
        pos /= pos.w;
        pos = inverse(mView) * pos;
        return pos.xyz / pos.w;
}

void main() {
    float depth = texture(depthMap, coord).x;
    depth = linearizeDepth(depth);
    if (depth >= .99f) {
        discard;
        return;
     }

    vec3 pos = uvToEye(vec3(coord, depth));

    //doing lots of other stuff that isn't relevant
}