mirrors/manim
2
0
Fork 0
mirror of https://github.com/ManimCommunity/manim.git synced 2026-06-22 10:01:47 +00:00
Code Issues Projects Releases Packages Wiki Activity

Small byte_offset bugfix for vec2

Browse source
This commit is contained in:
Jason G. Villanueva 2023-10-24 05:16:03 -07:00
commit 393c2a15d4
1 changed files with 4 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

5
manim/renderer/buffers/buffer.py
View file

@ -52,7 +52,7 @@ class STD140BufferFormat:
base_char, base_bytesize, shape = self._GL_DTYPES[data_type]
shape = dict(enumerate(shape))
col_len, row_len = shape.get(0, 1), shape.get(1, 1)
col_padding = 0 if row_len == 1 and col_len == 1 else 4 - col_len
col_padding = 0 if row_len == 1 and (col_len == 1 or col_len == 2) else 4 - col_len
self._offsets[var_name] = col_padding
shape = (col_len + col_padding,)
if row_len > 1:
@ -63,6 +63,7 @@ class STD140BufferFormat:
self.dtype.append(
(f"padding-{byte_offset}", base_bytesize, padding_for_alignment)
)
byte_offset += padding_for_alignment[0]*4
self.dtype.append((var_name, base_bytesize, final_shape))
byte_offset += math.prod(final_shape + (base_bytesize(0).nbytes,))
self.data = np.zeros(1, dtype=self.dtype)
@ -77,4 +78,6 @@ class STD140BufferFormat:
def write(self, data: dict) -> None:
for key, val in data.items():
# print("WRITING", key,val)
self.data[key] = self._write_padded(val, key)