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tools/spec: add some comments to the main function

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This commit is contained in:
Danny Robson 2019-01-05 12:01:08 +11:00
parent 7a5742bb57
commit fa2eed7e03
1 changed files with 12 additions and 6 deletions
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16
tools/spec.py
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@ -903,19 +903,20 @@ if __name__ == '__main__':
args = parser.parse_args() args = parser.parse_args()
src = open(args.src, 'r') # Get a copy of the specification XML
with open(args.src, 'r') as src:
tree = ET.parse(src) tree = ET.parse(src)
root = tree.getroot() root = tree.getroot()
# Find a parser for each of the nodes in the XML
reg = registry() reg = registry()
types = {}
for node in root: for node in root:
target = "parse_%s" % node.tag target = "parse_%s" % node.tag
globals()[target](reg, node) globals()[target](reg, node)
# Override some requested system types so that they fit more naturally in
# our environment. eg, use appropriate C++ types, or cruft library
# wrappers.
reg.types['windows.h'].name = 'cruft/util/win32/windows.hpp' reg.types['windows.h'].name = 'cruft/util/win32/windows.hpp'
reg.types['void*'] = placeholder('void*') reg.types['void*'] = placeholder('void*')
reg.types['nullptr'] = placeholder('nullptr') reg.types['nullptr'] = placeholder('nullptr')
@ -924,13 +925,18 @@ if __name__ == '__main__':
reg.types['VK_DEFINE_HANDLE'] = aliastype("VK_DEFINE_HANDLE", "void*") reg.types['VK_DEFINE_HANDLE'] = aliastype("VK_DEFINE_HANDLE", "void*")
reg.types['VK_NULL_HANDLE'] = aliasvalue("VK_NULL_HANDLE", "nullptr"); reg.types['VK_NULL_HANDLE'] = aliasvalue("VK_NULL_HANDLE", "nullptr");
# Request serialisation of all features
features = [feature(n) for n in root.findall('./feature')] features = [feature(n) for n in root.findall('./feature')]
features = dict((f.name,f) for f in features) features = dict((f.name,f) for f in features)
#reg.extensions['VK_KHR_surface'].apply(reg, platform='xcb') #reg.extensions['VK_KHR_surface'].apply(reg, platform='xcb')
# Request a minimal set of extensions that will almost certainly be
# required for all applications.
extensions = ["VK_KHR_swapchain", "VK_EXT_debug_report", "VK_KHR_external_memory"] extensions = ["VK_KHR_swapchain", "VK_EXT_debug_report", "VK_KHR_external_memory"]
q = reg.serialise(args.platform) q = reg.serialise(args.platform)
# Finally write out the header, icd, and dispatch code.
write_header(args.dst, q) write_header(args.dst, q)
write_icd(args.icd, q) write_icd(args.icd, q)
write_dispatch(args.dispatch, q) write_dispatch(args.dispatch, q)