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fix pfflags and mipmap count

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This commit is contained in:
Andrew Cassidy 2021-04-20 11:23:14 -07:00
parent f87226ad50
commit 38d3805add
2 changed files with 2 additions and 2 deletions
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2
quicktex/dds.py
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@ -166,7 +166,7 @@ class DDSFile:
# WRITE HEADER
file.write(struct.pack('<7I44x', DDSFile.header_bytes, int(self.flags), self.size[1], self.size[0], self.pitch, self.depth, self.mipmap_count))
file.write(struct.pack('<2I4s5I', 32, int(self.flags), bytes(self.four_cc, 'ascii'), self.pixel_size, *self.pixel_bitmasks))
file.write(struct.pack('<2I4s5I', 32, int(self.pfflags), bytes(self.four_cc, 'ascii'), self.pixel_size, *self.pixel_bitmasks))
file.write(struct.pack('<4I4x', *self.caps))
assert file.tell() == 4 + DDSFile.header_bytes, 'error writing file: incorrect header size'

2
quicktex/image_utils.py
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@ -19,7 +19,7 @@ def mip_sizes(dimensions: Tuple[int, int], mip_count: Optional[int] = None) -> L
"""
assert all([dim > 0 for dim in dimensions]), "Invalid source dimensions"
if not mip_count:
mip_count = math.ceil(math.log2(max(dimensions))) # maximum possible number of mips for a given source
mip_count = math.ceil(math.log2(max(dimensions)) + 1) # maximum possible number of mips for a given source
assert mip_count > 0, "mip_count must be greater than 0"