init

hy3dpaint/custom_rasterizer/custom_rasterizer/__init__.py

@@ -0,0 +1,4 @@
+"""
+from .render import rasterize, interpolate
+"""
+from .render import *

hy3dpaint/custom_rasterizer/custom_rasterizer/render.py

@@ -0,0 +1,32 @@
+# Hunyuan 3D is licensed under the TENCENT HUNYUAN NON-COMMERCIAL LICENSE AGREEMENT
+# except for the third-party components listed below.
+# Hunyuan 3D does not impose any additional limitations beyond what is outlined
+# in the repsective licenses of these third-party components.
+# Users must comply with all terms and conditions of original licenses of these third-party
+# components and must ensure that the usage of the third party components adheres to
+# all relevant laws and regulations.
+
+# For avoidance of doubts, Hunyuan 3D means the large language models and
+# their software and algorithms, including trained model weights, parameters (including
+# optimizer states), machine-learning model code, inference-enabling code, training-enabling code,
+# fine-tuning enabling code and other elements of the foregoing made publicly available
+# by Tencent in accordance with TENCENT HUNYUAN COMMUNITY LICENSE AGREEMENT.
+
+import custom_rasterizer_kernel
+import torch
+
+
+def rasterize(pos, tri, resolution, clamp_depth=torch.zeros(0), use_depth_prior=0):
+    assert pos.device == tri.device
+    findices, barycentric = custom_rasterizer_kernel.rasterize_image(
+        pos[0], tri, clamp_depth, resolution[1], resolution[0], 1e-6, use_depth_prior
+    )
+    return findices, barycentric
+
+
+def interpolate(col, findices, barycentric, tri):
+    f = findices - 1 + (findices == 0)
+    vcol = col[0, tri.long()[f.long()]]
+    result = barycentric.view(*barycentric.shape, 1) * vcol
+    result = torch.sum(result, axis=-2)
+    return result.view(1, *result.shape)