#version 450 #extension GL_ARB_gpu_shader_int64 : require layout(location = 0) out vec3 FragColor; layout(location = 0) flat in double vTmp; void main() { FragColor = vec3(dvec3(uint64BitsToDouble(0x7ff0000000000000ul), uint64BitsToDouble(0xfff0000000000000ul), uint64BitsToDouble(0x7ff8000000000000ul)) + dvec3(vTmp)); }