{ lib , mkDerivation , fetchFromGitHub , libpng , gsl , libsndfile , lzo , qmake , qttools , qtbase , qtmultimedia , withOpenCL ? true , opencl-clhpp ? null , ocl-icd ? null }: assert withOpenCL -> opencl-clhpp != null; assert withOpenCL -> ocl-icd != null; mkDerivation rec { pname = "mandelbulber"; version = "2.24"; src = fetchFromGitHub { owner = "buddhi1980"; repo = "mandelbulber2"; rev = version; sha256 = "sha256-JgpYGzD2FsqcCWnOKBiVCxUKqLfT4S++uUBZekhGWmA="; }; nativeBuildInputs = [ qmake qttools ]; buildInputs = [ qtbase qtmultimedia libpng gsl libsndfile lzo ] ++ lib.optionals withOpenCL [ opencl-clhpp ocl-icd ]; sourceRoot = "${src.name}/mandelbulber2"; qmakeFlags = [ "SHARED_PATH=${placeholder "out"}" (if withOpenCL then "qmake/mandelbulber-opencl.pro" else "qmake/mandelbulber.pro") ]; meta = with lib; { description = "A 3D fractal rendering engine"; longDescription = "Mandelbulber creatively generates three-dimensional fractals. Explore trigonometric, hyper-complex, Mandelbox, IFS, and many other 3D fractals."; homepage = "https://mandelbulber.com"; license = licenses.gpl3; platforms = platforms.linux; maintainers = with maintainers; [ kovirobi ]; }; }