common.py

import gc
import logging
import os
import shutil
import subprocess
import sys
from glob import glob

import cv2
import gradio as gr
import numpy as np
import spaces
import torch
import trimesh
from easydict import EasyDict as edict
from PIL import Image
from tqdm import tqdm
from asset3d_gen.data.backproject_v2 import entrypoint as backproject_api
from asset3d_gen.models.delight_model import DelightingModel
from asset3d_gen.models.gs_model import GaussianOperator
from asset3d_gen.models.segment_model import (
    RembgRemover,
    SAMPredictor,
    trellis_preprocess,
)
from asset3d_gen.models.sr_model import ImageRealESRGAN
from asset3d_gen.scripts.render_gs import entrypoint as render_gs_api
from asset3d_gen.scripts.render_mv import build_texture_gen_pipe, infer_pipe
from asset3d_gen.scripts.text2image import (
    build_text2img_ip_pipeline,
    build_text2img_pipeline,
    text2img_gen,
)
from asset3d_gen.utils.gpt_clients import GPT_CLIENT
from asset3d_gen.utils.process_media import (
    filter_image_small_connected_components,
    merge_images_video,
    render_asset3d,
)
from asset3d_gen.utils.tags import VERSION
from asset3d_gen.validators.quality_checkers import (
    BaseChecker,
    ImageAestheticChecker,
    ImageSegChecker,
    MeshGeoChecker,
)
from asset3d_gen.validators.urdf_convertor import URDFGenerator, zip_files

current_file_path = os.path.abspath(__file__)
current_dir = os.path.dirname(current_file_path)
sys.path.append(os.path.join(current_dir, "../.."))
from thirdparty.TRELLIS.trellis.pipelines import TrellisImageTo3DPipeline
from thirdparty.TRELLIS.trellis.renderers.mesh_renderer import MeshRenderer
from thirdparty.TRELLIS.trellis.representations import (
    Gaussian,
    MeshExtractResult,
)
from thirdparty.TRELLIS.trellis.utils import postprocessing_utils
from thirdparty.TRELLIS.trellis.utils.render_utils import (
    render_frames,
    yaw_pitch_r_fov_to_extrinsics_intrinsics,
)

logging.basicConfig(
    format="%(asctime)s - %(levelname)s - %(message)s", level=logging.INFO
)
logger = logging.getLogger(__name__)


os.environ["TORCH_EXTENSIONS_DIR"] = os.path.expanduser(
    "~/.cache/torch_extensions"
)
os.environ["GRADIO_ANALYTICS_ENABLED"] = "false"
os.environ['SPCONV_ALGO'] = 'native'

MAX_SEED = 100000
DELIGHT = DelightingModel()
IMAGESR_MODEL = ImageRealESRGAN(outscale=4)


if os.getenv("GRADIO_APP") == "imageto3d":
    RBG_REMOVER = RembgRemover()
    SAM_PREDICTOR = SAMPredictor(model_type="vit_h")
    PIPELINE = TrellisImageTo3DPipeline.from_pretrained(
        "JeffreyXiang/TRELLIS-image-large"
    )
    # PIPELINE.cuda()
    SEG_CHECKER = ImageSegChecker(GPT_CLIENT)
    GEO_CHECKER = MeshGeoChecker(GPT_CLIENT)
    AESTHETIC_CHECKER = ImageAestheticChecker()
    CHECKERS = [GEO_CHECKER, SEG_CHECKER, AESTHETIC_CHECKER]
    TMP_DIR = os.path.join(
        os.path.dirname(os.path.abspath(__file__)), "sessions/imageto3d"
    )
elif os.getenv("GRADIO_APP") == "textto3d":
    RBG_REMOVER = RembgRemover()
    PIPELINE = TrellisImageTo3DPipeline.from_pretrained(
        "JeffreyXiang/TRELLIS-image-large"
    )
    # PIPELINE.cuda()
    PIPELINE_IMG_IP = build_text2img_ip_pipeline(
        "weights/Kolors", ref_scale=0.3
    )
    PIPELINE_IMG = build_text2img_pipeline("weights/Kolors")
    SEG_CHECKER = ImageSegChecker(GPT_CLIENT)
    GEO_CHECKER = MeshGeoChecker(GPT_CLIENT)
    AESTHETIC_CHECKER = ImageAestheticChecker()
    CHECKERS = [GEO_CHECKER, SEG_CHECKER, AESTHETIC_CHECKER]
    TMP_DIR = os.path.join(
        os.path.dirname(os.path.abspath(__file__)), "sessions/textto3d"
    )
elif os.getenv("GRADIO_APP") == "texture_edit":
    PIPELINE_IP = build_texture_gen_pipe(
        base_ckpt_dir="./weights",
        ip_adapt_scale=0.7,
        device="cuda",
    )
    PIPELINE = build_texture_gen_pipe(
        base_ckpt_dir="./weights",
        ip_adapt_scale=0,
        device="cuda",
    )
    TMP_DIR = os.path.join(
        os.path.dirname(os.path.abspath(__file__)), "sessions/texture_edit"
    )

os.makedirs(TMP_DIR, exist_ok=True)


def start_session(req: gr.Request) -> None:
    user_dir = os.path.join(TMP_DIR, str(req.session_hash))
    os.makedirs(user_dir, exist_ok=True)


def end_session(req: gr.Request) -> None:
    user_dir = os.path.join(TMP_DIR, str(req.session_hash))
    if os.path.exists(user_dir):
        shutil.rmtree(user_dir)


@spaces.GPU
def render_mesh(sample, extrinsics, intrinsics, options={}, **kwargs):
    renderer = MeshRenderer()
    renderer.rendering_options.resolution = options.get("resolution", 512)
    renderer.rendering_options.near = options.get("near", 1)
    renderer.rendering_options.far = options.get("far", 100)
    renderer.rendering_options.ssaa = options.get("ssaa", 4)
    rets = {}
    for extr, intr in tqdm(zip(extrinsics, intrinsics), desc="Rendering"):
        res = renderer.render(sample, extr, intr)
        if "normal" not in rets:
            rets["normal"] = []
        normal = torch.lerp(
            torch.zeros_like(res["normal"]), res["normal"], res["mask"]
        )
        normal = np.clip(
            normal.detach().cpu().numpy().transpose(1, 2, 0) * 255, 0, 255
        ).astype(np.uint8)
        rets["normal"].append(normal)

    return rets


@spaces.GPU
def render_video(
    sample,
    resolution=512,
    bg_color=(0, 0, 0),
    num_frames=300,
    r=2,
    fov=40,
    **kwargs,
):
    yaws = torch.linspace(0, 2 * 3.1415, num_frames)
    yaws = yaws.tolist()
    pitch = [0.5] * num_frames
    extrinsics, intrinsics = yaw_pitch_r_fov_to_extrinsics_intrinsics(
        yaws, pitch, r, fov
    )
    render_fn = (
        render_mesh if isinstance(sample, MeshExtractResult) else render_frames
    )
    result = render_fn(
        sample,
        extrinsics,
        intrinsics,
        {"resolution": resolution, "bg_color": bg_color},
        **kwargs,
    )

    return result


@spaces.GPU
def preprocess_image_fn(
    image: str | np.ndarray | Image.Image,
    req: gr.Request,
) -> Image.Image:
    if isinstance(image, str):
        image = Image.open(image)
    elif isinstance(image, np.ndarray):
        image = Image.fromarray(image)

    image.save(f"{TMP_DIR}/{req.session_hash}/raw_image.png")
    image = RBG_REMOVER(image)
    image = trellis_preprocess(image)

    return image


@spaces.GPU
def preprocess_sam_image_fn(
    image: Image.Image, req: gr.Request
) -> Image.Image:
    if isinstance(image, np.ndarray):
        image = Image.fromarray(image)

    image.save(f"{TMP_DIR}/{req.session_hash}/raw_image.png")
    sam_image = SAM_PREDICTOR.preprocess_image(image)
    SAM_PREDICTOR.predictor.set_image(sam_image)

    return sam_image


def active_btn_by_content(content: gr.Image) -> gr.Button:
    interactive = True if content is not None else False

    return gr.Button(interactive=interactive)


def active_btn_by_text_content(content: gr.Textbox) -> gr.Button:
    if content is not None and len(content) > 0:
        interactive = True
    else:
        interactive = False

    return gr.Button(interactive=interactive)


def get_selected_image(
    choice: str, sample1: str, sample2: str, sample3: str
) -> str:
    if choice == "sample1":
        return sample1
    elif choice == "sample2":
        return sample2
    elif choice == "sample3":
        return sample3
    else:
        raise ValueError(f"Invalid choice: {choice}")


@spaces.GPU
def pack_state(gs: Gaussian, mesh: MeshExtractResult) -> dict:
    return {
        "gaussian": {
            **gs.init_params,
            "_xyz": gs._xyz.cpu().numpy(),
            "_features_dc": gs._features_dc.cpu().numpy(),
            "_scaling": gs._scaling.cpu().numpy(),
            "_rotation": gs._rotation.cpu().numpy(),
            "_opacity": gs._opacity.cpu().numpy(),
        },
        "mesh": {
            "vertices": mesh.vertices.cpu().numpy(),
            "faces": mesh.faces.cpu().numpy(),
        },
    }


@spaces.GPU
def unpack_state(state: dict) -> tuple[Gaussian, edict, str]:
    gs = Gaussian(
        aabb=state["gaussian"]["aabb"],
        sh_degree=state["gaussian"]["sh_degree"],
        mininum_kernel_size=state["gaussian"]["mininum_kernel_size"],
        scaling_bias=state["gaussian"]["scaling_bias"],
        opacity_bias=state["gaussian"]["opacity_bias"],
        scaling_activation=state["gaussian"]["scaling_activation"],
    )
    gs._xyz = torch.tensor(state["gaussian"]["_xyz"], device="cuda")
    gs._features_dc = torch.tensor(
        state["gaussian"]["_features_dc"], device="cuda"
    )
    gs._scaling = torch.tensor(state["gaussian"]["_scaling"], device="cuda")
    gs._rotation = torch.tensor(state["gaussian"]["_rotation"], device="cuda")
    gs._opacity = torch.tensor(state["gaussian"]["_opacity"], device="cuda")

    mesh = edict(
        vertices=torch.tensor(state["mesh"]["vertices"], device="cuda"),
        faces=torch.tensor(state["mesh"]["faces"], device="cuda"),
    )

    return gs, mesh


def get_seed(randomize_seed: bool, seed: int, max_seed: int = MAX_SEED) -> int:
    return np.random.randint(0, max_seed) if randomize_seed else seed


@spaces.GPU
def select_point(
    image: np.ndarray,
    sel_pix: list,
    point_type: str,
    evt: gr.SelectData,
):
    if point_type == "foreground_point":
        sel_pix.append((evt.index, 1))  # append the foreground_point
    elif point_type == "background_point":
        sel_pix.append((evt.index, 0))  # append the background_point
    else:
        sel_pix.append((evt.index, 1))  # default foreground_point

    masks = SAM_PREDICTOR.generate_masks(image, sel_pix)
    seg_image = SAM_PREDICTOR.get_segmented_image(image, masks)

    for point, label in sel_pix:
        color = (255, 0, 0) if label == 0 else (0, 255, 0)
        marker_type = 1 if label == 0 else 5
        cv2.drawMarker(
            image,
            point,
            color,
            markerType=marker_type,
            markerSize=15,
            thickness=10,
        )

    torch.cuda.empty_cache()

    return (image, masks), seg_image


@spaces.GPU
def image_to_3d(
    image: Image.Image,
    seed: int,
    ss_guidance_strength: float,
    ss_sampling_steps: int,
    slat_guidance_strength: float,
    slat_sampling_steps: int,
    sam_image: Image.Image = None,
    is_sam_image: bool = False,
    req: gr.Request = None,
) -> tuple[dict, str]:
    if is_sam_image:
        seg_image = filter_image_small_connected_components(sam_image)
        seg_image = Image.fromarray(seg_image, mode="RGBA")
        seg_image = trellis_preprocess(seg_image)
        # seg_image.save(f"{TMP_DIR}/seg_image_sam.png")
    else:
        seg_image = image

    if isinstance(seg_image, np.ndarray):
        seg_image = Image.fromarray(seg_image)

    seg_image.save(f"{TMP_DIR}/{req.session_hash}/seg_image.png")
    PIPELINE.cuda()
    outputs = PIPELINE.run(
        seg_image,
        seed=seed,
        formats=["gaussian", "mesh"],
        preprocess_image=False,
        sparse_structure_sampler_params={
            "steps": ss_sampling_steps,
            "cfg_strength": ss_guidance_strength,
        },
        slat_sampler_params={
            "steps": slat_sampling_steps,
            "cfg_strength": slat_guidance_strength,
        },
    )
    # Set to cpu for memory saving.
    PIPELINE.cpu()

    gs_model = outputs["gaussian"][0]
    mesh_model = outputs["mesh"][0]
    color_images = render_video(gs_model)["color"]
    normal_images = render_video(mesh_model)["normal"]
    output_root = TMP_DIR
    if req is not None:
        output_root = os.path.join(output_root, str(req.session_hash))
    video_path = os.path.join(output_root, "gs_mesh.mp4")
    merge_images_video(color_images, normal_images, video_path)
    state = pack_state(gs_model, mesh_model)

    gc.collect()
    torch.cuda.empty_cache()

    return state, video_path


@spaces.GPU
def extract_3d_representations(
    state: dict, enable_delight: bool, req: gr.Request
):
    output_root = TMP_DIR
    output_root = os.path.join(output_root, str(req.session_hash))
    gs_model, mesh_model = unpack_state(state)

    mesh = postprocessing_utils.to_glb(
        gs_model,
        mesh_model,
        simplify=0.9,
        texture_size=1024,
        verbose=True,
    )
    filename = "sample"
    gs_path = os.path.join(output_root, f"{filename}_gs.ply")
    gs_model.save_ply(gs_path)

    # Rotate mesh and GS by 90 degrees around Z-axis.
    rot_matrix = [[0, 0, -1], [0, 1, 0], [1, 0, 0]]
    # Addtional rotation for GS to align mesh.
    gs_rot = np.array([[1, 0, 0], [0, -1, 0], [0, 0, -1]]) @ np.array(
        rot_matrix
    )
    pose = GaussianOperator.trans_to_quatpose(gs_rot)
    aligned_gs_path = gs_path.replace(".ply", "_aligned.ply")
    GaussianOperator.resave_ply(
        in_ply=gs_path,
        out_ply=aligned_gs_path,
        instance_pose=pose,
    )

    mesh.vertices = mesh.vertices @ np.array(rot_matrix)
    mesh_obj_path = os.path.join(output_root, f"{filename}.obj")
    mesh.export(mesh_obj_path)
    mesh_glb_path = os.path.join(output_root, f"{filename}.glb")
    mesh.export(mesh_glb_path)

    torch.cuda.empty_cache()

    return mesh_glb_path, gs_path, mesh_obj_path, aligned_gs_path


@spaces.GPU
def extract_3d_representations_v2(
    state: dict,
    enable_delight: bool,
    req: gr.Request,
):
    output_root = TMP_DIR
    user_dir = os.path.join(output_root, str(req.session_hash))
    gs_model, mesh_model = unpack_state(state)

    filename = "sample"
    gs_path = os.path.join(user_dir, f"{filename}_gs.ply")
    gs_model.save_ply(gs_path)

    # Rotate mesh and GS by 90 degrees around Z-axis.
    rot_matrix = [[0, 0, -1], [0, 1, 0], [1, 0, 0]]
    gs_add_rot = [[1, 0, 0], [0, -1, 0], [0, 0, -1]]
    mesh_add_rot = [[1, 0, 0], [0, 0, -1], [0, 1, 0]]

    # Addtional rotation for GS to align mesh.
    gs_rot = np.array(gs_add_rot) @ np.array(rot_matrix)
    pose = GaussianOperator.trans_to_quatpose(gs_rot)
    aligned_gs_path = gs_path.replace(".ply", "_aligned.ply")
    GaussianOperator.resave_ply(
        in_ply=gs_path,
        out_ply=aligned_gs_path,
        instance_pose=pose,
    )
    color_path = os.path.join(user_dir, "color.png")
    render_gs_api(aligned_gs_path, color_path)

    mesh = trimesh.Trimesh(
        vertices=mesh_model.vertices.cpu().numpy(),
        faces=mesh_model.faces.cpu().numpy(),
    )
    mesh.vertices = mesh.vertices @ np.array(mesh_add_rot)
    mesh.vertices = mesh.vertices @ np.array(rot_matrix)

    mesh_obj_path = os.path.join(user_dir, f"{filename}.obj")
    mesh.export(mesh_obj_path)

    mesh = backproject_api(
        delight_model=DELIGHT,
        imagesr_model=IMAGESR_MODEL,
        color_path=color_path,
        mesh_path=mesh_obj_path,
        output_path=mesh_obj_path,
        skip_fix_mesh=False,
        delight=enable_delight,
    )

    mesh_glb_path = os.path.join(user_dir, f"{filename}.glb")
    mesh.export(mesh_glb_path)

    torch.cuda.empty_cache()

    return mesh_glb_path, gs_path, mesh_obj_path, aligned_gs_path


@spaces.GPU
def extract_urdf(
    gs_path: str,
    mesh_obj_path: str,
    asset_cat_text: str,
    height_range_text: str,
    mass_range_text: str,
    asset_version_text: str,
    req: gr.Request = None,
):
    output_root = TMP_DIR
    if req is not None:
        output_root = os.path.join(output_root, str(req.session_hash))
    # Convert to URDF and recover attrs by gpt4o
    filename = "sample"
    urdf_convertor = URDFGenerator(GPT_CLIENT, render_view_num=4)
    asset_attrs = {
        "version": VERSION,
        "gs_model": f"{urdf_convertor.output_mesh_dir}/{filename}_gs.ply",
    }
    if asset_version_text:
        asset_attrs["version"] = asset_version_text
    if asset_cat_text:
        asset_attrs["category"] = asset_cat_text.lower()
    if height_range_text:
        try:
            min_height, max_height = map(float, height_range_text.split("-"))
            asset_attrs["min_height"] = min_height
            asset_attrs["max_height"] = max_height
        except ValueError:
            return "Invalid height input format. Use the format: min-max."
    if mass_range_text:
        try:
            min_mass, max_mass = map(float, mass_range_text.split("-"))
            asset_attrs["min_mass"] = min_mass
            asset_attrs["max_mass"] = max_mass
        except ValueError:
            return "Invalid mass input format. Use the format: min-max."

    urdf_path = urdf_convertor(
        mesh_path=mesh_obj_path,
        output_root=f"{output_root}/URDF_{filename}",
        **asset_attrs,
    )

    # Rescale GS and save to URDF/mesh folder.
    real_height = urdf_convertor.get_attr_from_urdf(
        urdf_path, attr_name="real_height"
    )
    out_gs = f"{output_root}/URDF_{filename}/{urdf_convertor.output_mesh_dir}/{filename}_gs.ply"  # noqa
    GaussianOperator.resave_ply(
        in_ply=gs_path,
        out_ply=out_gs,
        real_height=real_height,
    )

    # Quality check and update .urdf file.
    mesh_out = f"{output_root}/URDF_{filename}/{urdf_convertor.output_mesh_dir}/{filename}.obj"  # noqa
    trimesh.load(mesh_out).export(mesh_out.replace(".obj", ".glb"))
    # image_paths = render_asset3d(
    #     mesh_path=mesh_out,
    #     output_root=f"{output_root}/URDF_{filename}",
    #     output_subdir="qa_renders",
    #     num_images=8,
    #     elevation=(30, -30),
    #     distance=5.5,
    # )

    image_dir = f"{output_root}/URDF_{filename}/{urdf_convertor.output_render_dir}/image_color"  # noqa
    image_paths = glob(f"{image_dir}/*.png")
    images_list = []
    for checker in CHECKERS:
        images = image_paths
        if isinstance(checker, ImageSegChecker):
            images = [
                f"{TMP_DIR}/{req.session_hash}/raw_image.png",
                f"{TMP_DIR}/{req.session_hash}/seg_image.png",
            ]
        images_list.append(images)

    results = BaseChecker.validate(CHECKERS, images_list)
    urdf_convertor.add_quality_tag(urdf_path, results)

    # Zip urdf files
    urdf_zip = zip_files(
        input_paths=[
            f"{output_root}/URDF_{filename}/{urdf_convertor.output_mesh_dir}",
            f"{output_root}/URDF_{filename}/{filename}.urdf",
        ],
        output_zip=f"{output_root}/urdf_{filename}.zip",
    )

    torch.cuda.empty_cache()

    estimated_type = urdf_convertor.estimated_attrs["category"]
    estimated_height = urdf_convertor.estimated_attrs["height"]
    estimated_mass = urdf_convertor.estimated_attrs["mass"]
    estimated_mu = urdf_convertor.estimated_attrs["mu"]

    return (
        urdf_zip,
        estimated_type,
        estimated_height,
        estimated_mass,
        estimated_mu,
    )


@spaces.GPU
def text2image_fn(
    prompt: str,
    guidance_scale: float,
    infer_step: int = 50,
    ip_image: Image.Image | str = None,
    ip_adapt_scale: float = 0.3,
    image_wh: int | tuple[int, int] = [1024, 1024],
    n_sample: int = 3,
    postprocess: bool = True,
    req: gr.Request = None,
):
    if isinstance(image_wh, int):
        image_wh = (image_wh, image_wh)
    output_root = TMP_DIR
    if req is not None:
        output_root = os.path.join(output_root, str(req.session_hash))
        os.makedirs(output_root, exist_ok=True)

    pipeline = PIPELINE_IMG if ip_image is None else PIPELINE_IMG_IP
    if ip_image is not None:
        pipeline.set_ip_adapter_scale([ip_adapt_scale])

    images = text2img_gen(
        prompt=prompt,
        n_sample=n_sample,
        guidance_scale=guidance_scale,
        pipeline=pipeline,
        ip_image=ip_image,
        image_wh=image_wh,
        infer_step=infer_step,
    )
    if postprocess:
        for idx in range(len(images)):
            image = images[idx]
            images[idx] = preprocess_image_fn(image, req)

    save_paths = []
    for idx, image in enumerate(images):
        save_path = f"{output_root}/sample_{idx}.png"
        image.save(save_path)
        save_paths.append(save_path)

    logger.info(f"Images saved to {output_root}")

    gc.collect()
    torch.cuda.empty_cache()

    return save_paths + save_paths


@spaces.GPU
def generate_condition(mesh_path: str, req: gr.Request, uuid: str = "sample"):
    output_root = os.path.join(TMP_DIR, str(req.session_hash))
    command = [
        "drender-cli",
        "--mesh_path",
        mesh_path,
        "--output_root",
        f"{output_root}/condition",
        "--uuid",
        f"{uuid}",
    ]

    _ = subprocess.run(
        command, capture_output=True, text=True, encoding="utf-8"
    )

    gc.collect()
    torch.cuda.empty_cache()

    return None, None, None


@spaces.GPU
def generate_texture_mvimages(
    prompt: str,
    controlnet_cond_scale: float = 0.55,
    guidance_scale: float = 9,
    strength: float = 0.9,
    num_inference_steps: int = 50,
    seed: int = 0,
    ip_adapt_scale: float = 0,
    ip_img_path: str = None,
    uid: str = "sample",
    sub_idxs: tuple[tuple[int]] = ((0, 1, 2), (3, 4, 5)),
    req: gr.Request = None,
) -> list[str]:
    output_root = os.path.join(TMP_DIR, str(req.session_hash))
    use_ip_adapter = True if ip_img_path and ip_adapt_scale > 0 else False
    PIPELINE_IP.set_ip_adapter_scale([ip_adapt_scale])
    img_save_paths = infer_pipe(
        index_file=f"{output_root}/condition/index.json",
        controlnet_cond_scale=controlnet_cond_scale,
        guidance_scale=guidance_scale,
        strength=strength,
        num_inference_steps=num_inference_steps,
        ip_adapt_scale=ip_adapt_scale,
        ip_img_path=ip_img_path,
        uid=uid,
        prompt=prompt,
        save_dir=f"{output_root}/multi_view",
        sub_idxs=sub_idxs,
        pipeline=PIPELINE_IP if use_ip_adapter else PIPELINE,
        seed=seed,
    )

    gc.collect()
    torch.cuda.empty_cache()

    return img_save_paths + img_save_paths


@spaces.GPU
def backproject_texture(
    mesh_path: str,
    input_image: str,
    texture_size: int,
    uuid: str = "sample",
    req: gr.Request = None,
) -> str:
    output_root = os.path.join(TMP_DIR, str(req.session_hash))
    output_dir = os.path.join(output_root, "texture_mesh")
    os.makedirs(output_dir, exist_ok=True)
    command = [
        "backproject-cli",
        "--mesh_path",
        mesh_path,
        "--input_image",
        input_image,
        "--output_root",
        output_dir,
        "--uuid",
        f"{uuid}",
        "--texture_size",
        str(texture_size),
        "--skip_fix_mesh",
    ]

    _ = subprocess.run(
        command, capture_output=True, text=True, encoding="utf-8"
    )
    output_obj_mesh = os.path.join(output_dir, f"{uuid}.obj")
    output_glb_mesh = os.path.join(output_dir, f"{uuid}.glb")
    _ = trimesh.load(output_obj_mesh).export(output_glb_mesh)

    zip_file = zip_files(
        input_paths=[
            output_glb_mesh,
            output_obj_mesh,
            os.path.join(output_dir, "material.mtl"),
            os.path.join(output_dir, "material_0.png"),
        ],
        output_zip=os.path.join(output_dir, f"{uuid}.zip"),
    )

    gc.collect()
    torch.cuda.empty_cache()

    return output_glb_mesh, output_obj_mesh, zip_file


@spaces.GPU
def backproject_texture_v2(
    mesh_path: str,
    input_image: str,
    texture_size: int,
    enable_delight: bool = True,
    fix_mesh: bool = False,
    uuid: str = "sample",
    req: gr.Request = None,
) -> str:
    output_root = os.path.join(TMP_DIR, str(req.session_hash))
    output_dir = os.path.join(output_root, "texture_mesh")
    os.makedirs(output_dir, exist_ok=True)

    textured_mesh = backproject_api(
        delight_model=DELIGHT,
        imagesr_model=IMAGESR_MODEL,
        color_path=input_image,
        mesh_path=mesh_path,
        output_path=f"{output_dir}/{uuid}.obj",
        skip_fix_mesh=not fix_mesh,
        delight=enable_delight,
        texture_wh=[texture_size, texture_size],
    )

    output_obj_mesh = os.path.join(output_dir, f"{uuid}.obj")
    output_glb_mesh = os.path.join(output_dir, f"{uuid}.glb")
    _ = textured_mesh.export(output_glb_mesh)

    zip_file = zip_files(
        input_paths=[
            output_glb_mesh,
            output_obj_mesh,
            os.path.join(output_dir, "material.mtl"),
            os.path.join(output_dir, "material_0.png"),
        ],
        output_zip=os.path.join(output_dir, f"{uuid}.zip"),
    )

    gc.collect()
    torch.cuda.empty_cache()

    return output_glb_mesh, output_obj_mesh, zip_file


@spaces.GPU
def render_result_video(
    mesh_path: str, video_size: int, req: gr.Request, uuid: str = ""
) -> str:
    output_root = os.path.join(TMP_DIR, str(req.session_hash))
    output_dir = os.path.join(output_root, "texture_mesh")
    command = [
        "drender-cli",
        "--mesh_path",
        mesh_path,
        "--output_root",
        output_dir,
        "--num_images",
        "90",
        "--elevation",
        "20",
        "--with_mtl",
        "--pbr_light_factor",
        "1.",
        "--uuid",
        f"{uuid}",
        "--gen_color_mp4",
        "--gen_glonormal_mp4",
        "--distance",
        "5.5",
        "--resolution_hw",
        f"{video_size}",
        f"{video_size}",
    ]

    _ = subprocess.run(
        command, capture_output=True, text=True, encoding="utf-8"
    )

    gc.collect()
    torch.cuda.empty_cache()

    return f"{output_dir}/color.mp4"