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vulkan/shaders: manually indent bin2array

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Looks much nicer with some semblance of code formatting

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1338>
This commit is contained in:
Matthew Waters 2020-06-12 15:47:01 +10:00
parent a2f2ebbe01
commit 1f44cb0519
1 changed files with 36 additions and 7 deletions
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43
ext/vulkan/shaders/bin2array.py
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@ -9,16 +9,25 @@ autogenerated_notice = """/*
*/
"""
def make_sublist_group(lst: list, grp: int) -> list:
def make_sublist_group (lst: list, grp: int) -> list:
"""
Group list elements into sublists.
make_sublist_group([1, 2, 3, 4, 5, 6, 7], 3) = [[1, 2, 3], [4, 5, 6], 7]
"""
return [lst[i:i+grp] for i in range(0, len(lst), grp)]
def generate_c_array_data(bindata: bytes, element_prefix: str, element_size: int, element_suffix: str, newline_value: str, newline_after: int, element_separator: str):
def generate_c_array_data (bindata: bytes,
element_prefix: str,
element_size: int,
element_suffix: str,
newline_value: str,
newline_after: int,
element_separator: str) -> str:
"""
Generate the contents of a C array
Generate the contents of a C array as a hex string
e.g:
0x10, 0x20, 0x30, 0x40,
0x50, 0x60, 0x70, 0x80,
"""
hexstr = binascii.hexlify(bindata).decode("UTF-8")
array = []
@ -32,7 +41,13 @@ def generate_c_array_data(bindata: bytes, element_prefix: str, element_size: int
return newline_value.join([element_separator.join(e) + element_separator for e in array])
def decorate_c_array_data (hexdata: str, var_name: str, var_type: str, newline_value: str):
def decorate_c_array_data (hexdata: str,
var_name: str,
var_type: str,
newline_value: str):
"""
Place @hexdata into a valid C array named @var_name of C type @var_type.
"""
ret = var_type + " " + var_name + "[] = {" + newline_value
ret += hexdata + newline_value
ret += "};" + newline_value
@ -61,12 +76,26 @@ def main(args):
assert len(file_content) % args.element_size == 0
# get a relative path from the source file to the header to use in an #include
source_to_header = os.path.relpath (os.path.dirname(args.header_output), os.path.dirname (args.output))
source_to_header = os.path.relpath (os.path.dirname (args.header_output),
os.path.dirname (args.output))
ret = autogenerated_notice
ret += "#include \"" + os.path.join (source_to_header, os.path.basename (args.header_output)) + "\"" + args.linebreak_value
ret += "#include \""
ret += os.path.join (source_to_header,
os.path.basename (args.header_output))
ret += "\"" + args.linebreak_value
ret += decorate_c_array_data (generate_c_array_data (file_content, args.element_prefix, args.element_size, args.element_suffix, args.linebreak_value, args.linebreak, args.separator), args.array_name, args.element_type, args.linebreak_value)
arr_data = generate_c_array_data (file_content,
args.element_prefix,
args.element_size,
args.element_suffix,
args.linebreak_value,
args.linebreak,
args.separator)
ret += decorate_c_array_data (arr_data,
args.array_name,
args.element_type,
args.linebreak_value)
with open (args.output, 'w') as f:
f.write (ret)