def diminish_array_type(fields, i):
field_type, field_name = fields[i]
if not random_ubo.isarray(field_type):
return False
if random_ubo.array_elements(field_type) == 1:
smaller_type = random_ubo.array_base_type(field_type)
else:
smaller_type = random_ubo.array_base_type(field_type) + "[1]"
print("{} => {}".format(field_type, smaller_type))
fields[i] = (smaller_type, field_name)
return True
def diminish_array_type(fields, i):
field_type, field_name = fields[i]
if not random_ubo.isarray(field_type):
return False
if random_ubo.array_elements(field_type) == 1:
smaller_type = random_ubo.array_base_type(field_type)
else:
smaller_type = random_ubo.array_base_type(field_type) + "[1]"
print("{} => {}".format(field_type, smaller_type))
fields[i] = (smaller_type, field_name)
return True
def stringify_array_dimensions(type):
s = ""
base_type = type
while random_ubo.isarray(base_type):
s += "@{}".format(random_ubo.array_elements(base_type))
base_type = random_ubo.array_base_type(base_type)
return s
def remove_empty_structure(s, do_remove = True):
global struct_types
removed = [s]
for x in struct_types:
# Delete the empty structure at the end, and the structure
# cannot contain itself.
if s == x:
continue
# A previous caller may be in the proces of deleting this structure
# type, so just skip it for now.
if len(struct_types[x]) == 0:
continue
i = 0
while i < len(struct_types[x]):
field_type, field_name = struct_types[x][i]
if random_ubo.isarray(field_type):
field_type = random_ubo.array_base_type(field_type)
if field_type == s:
del struct_types[x][i]
else:
i = i + 1
# Now x could be empty, so possibly remove it too.
if len(struct_types[x]) == 0:
removed.extend(remove_empty_structure(x, False))
if do_remove:
for x in removed:
del struct_types[x]
return removed
def remove_empty_structure(s, do_remove = True):
global struct_types
removed = [s]
for x in struct_types:
# Delete the empty structure at the end, and the structure
# cannot contain itself.
if s == x:
continue
# A previous caller may be in the process of deleting this structure
# type, so just skip it for now.
if len(struct_types[x]) == 0:
continue
i = 0
while i < len(struct_types[x]):
field_type, field_name = struct_types[x][i]
if random_ubo.isarray(field_type):
field_type = random_ubo.array_base_type(field_type)
if field_type == s:
del struct_types[x][i]
else:
i = i + 1
# Now x could be empty, so possibly remove it too.
if len(struct_types[x]) == 0:
removed.extend(remove_empty_structure(x, False))
if do_remove:
for x in removed:
del struct_types[x]
return removed
def remove_random_field(blocks):
global struct_types
potential_kill_list = []
for b in blocks:
potential_kill_list.extend([(b[0], i)
for i in xrange(len(b[4]))])
for s in struct_types:
potential_kill_list.extend([(s, i)
for i in xrange(len(struct_types[s]))])
if len(potential_kill_list) == 0:
return False
owner, i = random.choice(potential_kill_list)
print("{} field index {}:".format(owner, i), end="")
if owner in struct_types:
if diminish_array_type(struct_types[owner], i):
return True
print("remove {}".format(struct_types[owner][i]))
del struct_types[owner][i]
if len(struct_types[owner]) == 0:
removed = remove_empty_structure(owner)
# Update the UBOs to note that some structures are gone.
if len(removed) != 0:
for (block_name,
instance_name,
global_layout,
block_layout,
fields,
field_layouts) in blocks:
j = 0
while j < len(fields):
field_type, field_name = fields[j]
if random_ubo.isarray(field_type):
field_type = random_ubo.array_base_type(field_type)
if field_type in removed:
del fields[j]
del field_layouts[j]
else:
j = j + 1
else:
for b in blocks:
if b[0] == owner:
if not diminish_array_type(b[4], i):
print("remove {}".format(b[4][i]))
# Delete the field
del b[4][i]
# Delete the layout
del b[5][i]
# Remove any potentially empty UBOs
i = 0
while i < len(blocks):
if len(blocks[i][4]) == 0:
del blocks[i]
else:
i = i + 1
return True
def remove_random_field(blocks):
global struct_types
potential_kill_list = []
for b in blocks:
potential_kill_list.extend([(b[0], i)
for i in xrange(len(b[4]))])
for s in struct_types:
potential_kill_list.extend([(s, i)
for i in xrange(len(struct_types[s]))])
if len(potential_kill_list) == 0:
return False
owner, i = random.choice(potential_kill_list)
print("{} field index {}:".format(owner, i), end="")
if owner in struct_types:
if diminish_array_type(struct_types[owner], i):
return True
print("remove {}".format(struct_types[owner][i]))
del struct_types[owner][i]
if len(struct_types[owner]) == 0:
removed = remove_empty_structure(owner)
# Update the UBOs to note that some structures are gone.
if len(removed) != 0:
for (block_name,
instance_name,
global_layout,
block_layout,
fields,
field_layouts) in blocks:
j = 0
while j < len(fields):
field_type, field_name = fields[j]
if random_ubo.isarray(field_type):
field_type = random_ubo.array_base_type(field_type)
if field_type in removed:
del fields[j]
del field_layouts[j]
else:
j = j + 1
else:
for b in blocks:
if b[0] == owner:
if not diminish_array_type(b[4], i):
print("remove {}".format(b[4][i]))
# Delete the field
del b[4][i]
# Delete the layout
del b[5][i]
# Remove any potentially empty UBOs
i = 0
while i < len(blocks):
if len(blocks[i][4]) == 0:
del blocks[i]
else:
i = i + 1
return True
def array_base_type(varying_type):
t = copy.copy(varying_type)
t.type = random_ubo.array_base_type(t.type)
t.name = None
return t
