Update Instant-NGP & Density Grid with CUDA supports. Much faster and better PSNR. (#193)

setup.py

@@ -1,36 +1,12 @@
 import os
+
 from setuptools import setup
 
 ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
-USE_CUDA = True
 
 ext_modules = []
 cmdclass = {}
 setup_requires = []
-if USE_CUDA:
-    try:
-        from torch.utils.cpp_extension import BuildExtension, CUDAExtension
-
-        ext_modules = [
-            CUDAExtension(
-                name="pyrad_cuda",
-                sources=[
-                    "pyrad/cuda/pyrad_cuda.cpp",
-                    "pyrad/cuda/pyrad_cuda_kernel.cu",
-                ],
-                include_dirs=[os.path.join("pyrad", "cuda", "include")],
-                extra_compile_args={
-                    "cxx": [],
-                    "nvcc": [],
-                },
-                verbose=True,
-            ),
-        ]
-        cmdclass = {"build_ext": BuildExtension}
-        setup_requires = ["pybind11>=2.5.0"]
-    except Exception as e:
-        print(e)
-        print("Failed to build the CUDA extension.")
 
 if __name__ == "__main__":
     setup(