Migrate tensorflow_graphics/rendering/{kernels, opengl, tests, textur…

…e, volumetric} to Python 3.

PiperOrigin-RevId: 379251214

tensorflow_graphics/rendering/kernels/rasterization_backend.py

@@ -13,9 +13,14 @@
 # limitations under the License.
 """CPU rasterization backend."""
 
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
 import enum
 from typing import Tuple
 
+from six.moves import range
 import tensorflow as tf
 
 from tensorflow_graphics.rendering import framebuffer as fb

tensorflow_graphics/rendering/opengl/tests/rasterizer_op_test.py

@@ -13,9 +13,14 @@
 # limitations under the License.
 """Tests for the opengl rasterizer op."""
 
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
 from absl.testing import parameterized
 import numpy as np
 import six
+from six.moves import range
 import tensorflow as tf
 
 from tensorflow_graphics.geometry.transformation import look_at
@@ -189,8 +194,8 @@ def check_lazy_shape():
 
   @parameterized.parameters(
       ("The variable names, kinds, and values must have the same size.",
-       ["var1"], ["buffer", "buffer"], [[1.0], [1.0]],
-       tf.errors.InvalidArgumentError, ValueError),
+       ["var1"], ["buffer", "buffer"
+                 ], [[1.0], [1.0]], tf.errors.InvalidArgumentError, ValueError),
       ("The variable names, kinds, and values must have the same size.",
        ["var1", "var2"], ["buffer"], [[1.0], [1.0]],
        tf.errors.InvalidArgumentError, ValueError),

tensorflow_graphics/rendering/tests/interpolate_test.py

@@ -13,7 +13,12 @@
 # limitations under the License.
 """Tests for tensorflow_graphics.rendering.tests.interpolate."""
 
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
 from absl.testing import parameterized
+from six.moves import range
 import tensorflow as tf
 
 from tensorflow_graphics.rendering import interpolate

tensorflow_graphics/rendering/texture/mipmap.py

@@ -28,8 +28,13 @@
 texturing). You can find how the uv-coordinates map to textures exactly in the
 documentation of the ops.
 """
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
 from typing import Optional, Sequence, Text
 
+from six.moves import range
 import tensorflow as tf
 from tensorflow_graphics.rendering.texture import texture_map
 from tensorflow_graphics.util import export_api