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-rw-r--r--src/mapi/glapi/gen/gl_marshal.py38
-rw-r--r--src/mapi/glapi/gen/marshal_XML.py5
2 files changed, 34 insertions, 9 deletions
diff --git a/src/mapi/glapi/gen/gl_marshal.py b/src/mapi/glapi/gen/gl_marshal.py
index e4137f46abe..3b9868f9a1f 100644
--- a/src/mapi/glapi/gen/gl_marshal.py
+++ b/src/mapi/glapi/gen/gl_marshal.py
@@ -118,10 +118,21 @@ class PrintCode(gl_XML.gl_print_base):
if func.variable_params:
out('char *variable_data = (char *) (cmd + 1);')
for p in func.variable_params:
- out(('memcpy(variable_data, {0}, {1});').format(
+ if p.img_null_flag:
+ out('cmd->{0}_null = !{0};'.format(p.name))
+ out('if (!cmd->{0}_null) {{'.format(p.name))
+ with indent():
+ out(('memcpy(variable_data, {0}, {1});').format(
+ p.name, p.size_string(False)))
+ out('variable_data += {0};'.format(
+ p.size_string(False)))
+ out('}')
+ else:
+ out(('memcpy(variable_data, {0}, {1});').format(
p.name, p.size_string(False)))
- out('variable_data += {0};'.format(
+ out('variable_data += {0};'.format(
p.size_string(False)))
+
if not func.fixed_params and not func.variable_params:
out('(void) cmd;\n')
out('_mesa_post_marshal_hook(ctx);')
@@ -137,6 +148,12 @@ class PrintCode(gl_XML.gl_print_base):
p.get_base_type_string(), p.name, p.count))
else:
out('{0} {1};'.format(p.type_string(), p.name))
+
+ for p in func.variable_params:
+ if p.img_null_flag:
+ out('bool {0}_null; /* If set, no data follows '
+ 'for "{0}" */'.format(p.name))
+
for p in func.variable_params:
if p.count_scale != 1:
out(('/* Next {0} bytes are '
@@ -171,7 +188,17 @@ class PrintCode(gl_XML.gl_print_base):
for p in func.variable_params:
out('{0} = (const {1} *) variable_data;'.format(
p.name, p.get_base_type_string()))
- out('variable_data += {0};'.format(p.size_string(False)))
+
+ if p.img_null_flag:
+ out('if (cmd->{0}_null)'.format(p.name))
+ with indent():
+ out('{0} = NULL;'.format(p.name))
+ out('else')
+ with indent():
+ out('variable_data += {0};'.format(p.size_string(False)))
+ else:
+ out('variable_data += {0};'.format(p.size_string(False)))
+
self.print_sync_call(func)
out('}')
@@ -198,7 +225,10 @@ class PrintCode(gl_XML.gl_print_base):
struct = 'struct marshal_cmd_{0}'.format(func.name)
size_terms = ['sizeof({0})'.format(struct)]
for p in func.variable_params:
- size_terms.append(p.size_string())
+ size = p.size_string()
+ if p.img_null_flag:
+ size = '({0} ? {1} : 0)'.format(p.name, size)
+ size_terms.append(size)
out('size_t cmd_size = {0};'.format(' + '.join(size_terms)))
out('{0} *cmd;'.format(struct))
diff --git a/src/mapi/glapi/gen/marshal_XML.py b/src/mapi/glapi/gen/marshal_XML.py
index e8ddb7ff8f6..9d5688decac 100644
--- a/src/mapi/glapi/gen/marshal_XML.py
+++ b/src/mapi/glapi/gen/marshal_XML.py
@@ -88,9 +88,4 @@ class marshal_function(gl_XML.gl_function):
# Parameter size is determined by enums; haven't
# written logic to handle this yet. TODO: fix.
return 'sync'
- if p.img_null_flag:
- # Caller is allowed to pass NULL for this parameter;
- # haven't written logic to handle this yet. TODO:
- # fix.
- return 'sync'
return 'async'