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glthread: sort variables in marshal structures to pack them optimally

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Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4758>
This commit is contained in:
Marek Olšák 2020-03-23 19:39:40 -04:00 • committed by Marge Bot
parent 6f8a387b37
commit 6215465842
1 changed files with 39 additions and 1 deletions
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40
src/mapi/glapi/gen/gl_marshal.py
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@ -143,12 +143,50 @@ class PrintCode(gl_XML.gl_print_base):
# Uncomment this if you want to call _mesa_glthread_finish for debugging
#out('_mesa_glthread_finish(ctx);')
def get_type_size(self, str):
if str.find('*') != -1:
return 8;
mapping = {
'GLboolean': 1,
'GLbyte': 1,
'GLubyte': 1,
'GLenum': 2, # uses GLenum16
'GLshort': 2,
'GLushort': 2,
'GLint': 4,
'GLuint': 4,
'GLbitfield': 4,
'GLsizei': 4,
'GLfloat': 4,
'GLclampf': 4,
'GLfixed': 4,
'GLclampx': 4,
'GLhandleARB': 4,
'int': 4,
'float': 4,
'GLdouble': 8,
'GLclampd': 8,
'GLintptr': 8,
'GLsizeiptr': 8,
'GLint64': 8,
'GLuint64': 8,
'GLuint64EXT': 8,
'GLsync': 8,
}
val = mapping.get(str, 9999)
if val == 9999:
print('Unhandled type in gl_marshal.py.get_type_size: ' + str, file=sys.stderr)
return val
def print_async_struct(self, func):
out('struct marshal_cmd_{0}'.format(func.name))
out('{')
with indent():
out('struct marshal_cmd_base cmd_base;')
for p in func.fixed_params:
# Sort the parameters according to their size to pack the structure optimally
for p in sorted(func.fixed_params, key=lambda p: self.get_type_size(p.type_string())):
if p.count:
out('{0} {1}[{2}];'.format(
p.get_base_type_string(), p.name, p.count))