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anv/pack: Handle case where a struct field covers multiple dwords

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We also didn't add start to field.end to get the absolute field end
position.
This commit is contained in:
Kristian Høgsberg Kristensen 2016-02-10 21:42:56 -08:00
parent f710f3ca37
commit 2009e304f7
1 changed files with 7 additions and 4 deletions
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11
src/vulkan/gen_pack_header.py
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@ -317,13 +317,16 @@ class Group:
# assert dwords[index].address == None
dwords[index].address = field
# Does this field extend into the next dword?
if index < field.end // 32 and dwords[index].size == 32:
if index + 1 in dwords:
assert dwords[index + 1].size == 32
# Coalesce all the dwords covered by this field. The two cases we
# handle are where multiple fields are in a 64 bit word (typically
# and address and a few bits) or where a single struct field
# completely covers multiple dwords.
while index < (start + field.end) // 32:
if index + 1 in dwords and not dwords[index] == dwords[index + 1]:
dwords[index].fields.extend(dwords[index + 1].fields)
dwords[index].size = 64
dwords[index + 1] = dwords[index]
index = index + 1
def emit_pack_function(self, start):
dwords = {}