${copyright}
*/
+ #include <string.h>
#include <vulkan/vulkan.h>
#include <vulkan/vk_android_native_buffer.h>
#include "util/macros.h"
% for enum in enums:
+ % if enum.guard:
+#ifdef ${enum.guard}
+ % endif
const char *
vk_${enum.name[2:]}_to_str(${enum.name} input)
{
+ #pragma GCC diagnostic push
+ #pragma GCC diagnostic ignored "-Wswitch"
switch(input) {
- % for v in enum.values:
- % if v in FOREIGN_ENUM_VALUES:
+ % for v in sorted(enum.values.keys()):
+ case ${v}:
+ return "${enum.values[v]}";
+ % endfor
+ }
+ #pragma GCC diagnostic pop
+ unreachable("Undefined enum value.");
+ }
+
+ % if enum.guard:
+#endif
+ % endif
+ %endfor
- #pragma GCC diagnostic push
- #pragma GCC diagnostic ignored "-Wswitch"
+ size_t vk_structure_type_size(const struct VkBaseInStructure *item)
+ {
+ #pragma GCC diagnostic push
+ #pragma GCC diagnostic ignored "-Wswitch"
+ switch(item->sType) {
+ % for struct in structs:
+ % if struct.extension is not None and struct.extension.define is not None:
+ #ifdef ${struct.extension.define}
+ case ${struct.stype}: return sizeof(${struct.name});
+ #endif
+ % else:
+ case ${struct.stype}: return sizeof(${struct.name});
+ % endif
+ %endfor
+ }
+ #pragma GCC diagnostic pop
+ unreachable("Undefined struct type.");
+ }
+
+ void vk_load_instance_commands(VkInstance instance,
+ PFN_vkGetInstanceProcAddr gpa,
+ struct vk_instance_dispatch_table *table)
+ {
+ memset(table, 0, sizeof(*table));
+ table->GetInstanceProcAddr = gpa;
+ % for cmd in commands:
+ % if not cmd.device_entrypoint and cmd.name != 'vkGetInstanceProcAddr':
+ % if cmd.extension is not None and cmd.extension.define is not None:
+ #ifdef ${cmd.extension.define}
+ table->${cmd.name[2:]} = (PFN_${cmd.name}) gpa(instance, "${cmd.name}");
+ #endif
+ % else:
+ table->${cmd.name[2:]} = (PFN_${cmd.name}) gpa(instance, "${cmd.name}");
% endif
- case ${v}:
- return "${v}";
- % if v in FOREIGN_ENUM_VALUES:
- #pragma GCC diagnostic pop
+ % endif
+ %endfor
+ }
+ void vk_load_device_commands(VkDevice device,
+ PFN_vkGetDeviceProcAddr gpa,
+ struct vk_device_dispatch_table *table)
+ {
+ memset(table, 0, sizeof(*table));
+ table->GetDeviceProcAddr = gpa;
+ % for cmd in commands:
+ % if cmd.device_entrypoint and cmd.name != 'vkGetDeviceProcAddr':
+ % if cmd.extension is not None and cmd.extension.define is not None:
+ #ifdef ${cmd.extension.define}
+ table->${cmd.name[2:]} = (PFN_${cmd.name}) gpa(device, "${cmd.name}");
+ #endif
+ % else:
+ table->${cmd.name[2:]} = (PFN_${cmd.name}) gpa(device, "${cmd.name}");
% endif
- % endfor
- default:
- unreachable("Undefined enum value.");
- }
+ % endif
+ %endfor
}
- %endfor"""),
+ """),
output_encoding='utf-8')
H_TEMPLATE = Template(textwrap.dedent(u"""\
#include <vulkan/vulkan.h>
#include <vulkan/vk_android_native_buffer.h>
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
+
+ % for ext in extensions:
+ #define _${ext.name}_number (${ext.number})
+ % endfor
+
% for enum in enums:
+ % if enum.guard:
+#ifdef ${enum.guard}
+ % endif
const char * vk_${enum.name[2:]}_to_str(${enum.name} input);
+ % if enum.guard:
+#endif
+ % endif
% endfor
+ size_t vk_structure_type_size(const struct VkBaseInStructure *item);
+
+ struct vk_instance_dispatch_table {
+ PFN_vkGetInstanceProcAddr GetInstanceProcAddr;
+ % for cmd in commands:
+ % if not cmd.device_entrypoint and cmd.name != 'vkGetInstanceProcAddr':
+ % if cmd.extension is not None and cmd.extension.define is not None:
+ #ifdef ${cmd.extension.define}
+ PFN_${cmd.name} ${cmd.name[2:]};
+ #endif
+ % else:
+ PFN_${cmd.name} ${cmd.name[2:]};
+ % endif
+ % endif
+ %endfor
+ };
+
+ struct vk_device_dispatch_table {
+ PFN_vkGetDeviceProcAddr GetDeviceProcAddr;
+ % for cmd in commands:
+ % if cmd.device_entrypoint and cmd.name != 'vkGetDeviceProcAddr':
+ % if cmd.extension is not None and cmd.extension.define is not None:
+ #ifdef ${cmd.extension.define}
+ PFN_${cmd.name} ${cmd.name[2:]};
+ #endif
+ % else:
+ PFN_${cmd.name} ${cmd.name[2:]};
+ % endif
+ % endif
+ %endfor
+ };
+
+ void vk_load_instance_commands(VkInstance instance, PFN_vkGetInstanceProcAddr gpa, struct vk_instance_dispatch_table *table);
+ void vk_load_device_commands(VkDevice device, PFN_vkGetDeviceProcAddr gpa, struct vk_device_dispatch_table *table);
+
+ #ifdef __cplusplus
+ } /* extern "C" */
+ #endif
+
#endif"""),
output_encoding='utf-8')
-# These enums are defined outside their respective enum blocks, and thus cause
-# -Wswitch warnings.
-FOREIGN_ENUM_VALUES = [
- "VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID",
-]
-
-class EnumFactory(object):
+class NamedFactory(object):
"""Factory for creating enums."""
def __init__(self, type_):
self.registry = {}
self.type = type_
- def __call__(self, name):
+ def __call__(self, name, **kwargs):
try:
return self.registry[name]
except KeyError:
- n = self.registry[name] = self.type(name)
+ n = self.registry[name] = self.type(name, **kwargs)
return n
+ def get(self, name):
+ return self.registry.get(name)
+
+
+class VkExtension(object):
+ """Simple struct-like class representing extensions"""
+
+ def __init__(self, name, number=None, define=None):
+ self.name = name
+ self.number = number
+ self.define = define
+
class VkEnum(object):
"""Simple struct-like class representing a single Vulkan Enum."""
def __init__(self, name, values=None):
self.name = name
- self.values = values or []
+ self.extension = None
+ # Maps numbers to names
+ self.values = values or dict()
+ self.name_to_value = dict()
+ self.guard = None
+
+ def add_value(self, name, value=None,
+ extnum=None, offset=None,
+ error=False):
+ assert value is not None or extnum is not None
+ if value is None:
+ value = 1000000000 + (extnum - 1) * 1000 + offset
+ if error:
+ value = -value
+
+ self.name_to_value[name] = value
+ if value not in self.values:
+ self.values[value] = name
+ elif len(self.values[value]) > len(name):
+ self.values[value] = name
+
+ def add_value_from_xml(self, elem, extension=None):
+ self.extension = extension
+ if 'value' in elem.attrib:
+ self.add_value(elem.attrib['name'],
+ value=int(elem.attrib['value'], base=0))
+ elif 'alias' in elem.attrib:
+ self.add_value(elem.attrib['name'],
+ value=self.name_to_value[elem.attrib['alias']])
+ else:
+ error = 'dir' in elem.attrib and elem.attrib['dir'] == '-'
+ if 'extnumber' in elem.attrib:
+ extnum = int(elem.attrib['extnumber'])
+ else:
+ extnum = extension.number
+ self.add_value(elem.attrib['name'],
+ extnum=extnum,
+ offset=int(elem.attrib['offset']),
+ error=error)
+
+ def set_guard(self, g):
+ self.guard = g
+
+
+class VkCommand(object):
+ """Simple struct-like class representing a single Vulkan command"""
+
+ def __init__(self, name, device_entrypoint=False):
+ self.name = name
+ self.device_entrypoint = device_entrypoint
+ self.extension = None
-def parse_xml(efactory, filename):
- """Parse the XML file. Accumulate results into the efactory.
+class VkChainStruct(object):
+ """Simple struct-like class representing a single Vulkan struct identified with a VkStructureType"""
+ def __init__(self, name, stype):
+ self.name = name
+ self.stype = stype
+ self.extension = None
- This parser is a memory efficient iterative XML parser that returns a list
- of VkEnum objects.
- """
- with open(filename, 'rb') as f:
- context = iter(et.iterparse(f, events=('start', 'end')))
+def struct_get_stype(xml_node):
+ for member in xml_node.findall('./member'):
+ name = member.findall('./name')
+ if len(name) > 0 and name[0].text == "sType":
+ return member.get('values')
+ return None
- # This gives the root element, since goal is to iterate over the
- # elements without building a tree, this allows the root to be cleared
- # (erase the elements) after the children have been processed.
- _, root = next(context)
- for event, elem in context:
- if event == 'end' and elem.tag == 'enums':
- type_ = elem.attrib.get('type')
- if type_ == 'enum':
- enum = efactory(elem.attrib['name'])
- enum.values.extend([e.attrib['name'] for e in elem
- if e.tag == 'enum'])
- elif event == 'end' and elem.tag == 'extension':
- if elem.attrib['supported'] != 'vulkan':
- continue
- for e in elem.findall('.//enum[@extends][@offset]'):
- enum = efactory(e.attrib['extends'])
- enum.values.append(e.attrib['name'])
+def parse_xml(cmd_factory, enum_factory, ext_factory, struct_factory, filename):
+ """Parse the XML file. Accumulate results into the factories.
+
+ This parser is a memory efficient iterative XML parser that returns a list
+ of VkEnum objects.
+ """
- root.clear()
+ xml = et.parse(filename)
+
+ for enum_type in xml.findall('./enums[@type="enum"]'):
+ enum = enum_factory(enum_type.attrib['name'])
+ for value in enum_type.findall('./enum'):
+ enum.add_value_from_xml(value)
+
+ for value in xml.findall('./feature/require/enum[@extends]'):
+ enum = enum_factory.get(value.attrib['extends'])
+ if enum is not None:
+ enum.add_value_from_xml(value)
+
+ for command in xml.findall('./commands/command'):
+ name = command.find('./proto/name')
+ first_arg = command.find('./param/type')
+ # Some commands are alias KHR -> nonKHR, ignore those
+ if name is not None:
+ cmd_factory(name.text,
+ device_entrypoint=(first_arg.text in ('VkDevice', 'VkCommandBuffer', 'VkQueue')))
+
+ for struct_type in xml.findall('./types/type[@category="struct"]'):
+ name = struct_type.attrib['name']
+ stype = struct_get_stype(struct_type)
+ if stype is not None:
+ struct_factory(name, stype=stype)
+
+ platform_define = {}
+ for platform in xml.findall('./platforms/platform'):
+ name = platform.attrib['name']
+ define = platform.attrib['protect']
+ platform_define[name] = define
+
+ for ext_elem in xml.findall('./extensions/extension[@supported="vulkan"]'):
+ define = None
+ if "platform" in ext_elem.attrib:
+ define = platform_define[ext_elem.attrib['platform']]
+ extension = ext_factory(ext_elem.attrib['name'],
+ number=int(ext_elem.attrib['number']),
+ define=define)
+
+ for value in ext_elem.findall('./require/enum[@extends]'):
+ enum = enum_factory.get(value.attrib['extends'])
+ if enum is not None:
+ enum.add_value_from_xml(value, extension)
+ for t in ext_elem.findall('./require/type'):
+ struct = struct_factory.get(t.attrib['name'])
+ if struct is not None:
+ struct.extension = extension
+
+ if define:
+ for value in ext_elem.findall('./require/type[@name]'):
+ enum = enum_factory.get(value.attrib['name'])
+ if enum is not None:
+ enum.set_guard(define)
+
+ for t in ext_elem.findall('./require/command'):
+ command = cmd_factory.get(t.attrib['name'])
+ if command is not None:
+ command.extension = extension
def main():
args = parser.parse_args()
- efactory = EnumFactory(VkEnum)
+ command_factory = NamedFactory(VkCommand)
+ enum_factory = NamedFactory(VkEnum)
+ ext_factory = NamedFactory(VkExtension)
+ struct_factory = NamedFactory(VkChainStruct)
for filename in args.xml_files:
- parse_xml(efactory, filename)
- enums = sorted(efactory.registry.values(), key=lambda e: e.name)
+ parse_xml(command_factory, enum_factory, ext_factory, struct_factory, filename)
+ commands = sorted(command_factory.registry.values(), key=lambda e: e.name)
+ enums = sorted(enum_factory.registry.values(), key=lambda e: e.name)
+ extensions = sorted(ext_factory.registry.values(), key=lambda e: e.name)
+ structs = sorted(struct_factory.registry.values(), key=lambda e: e.name)
for template, file_ in [(C_TEMPLATE, os.path.join(args.outdir, 'vk_enum_to_str.c')),
(H_TEMPLATE, os.path.join(args.outdir, 'vk_enum_to_str.h'))]:
with open(file_, 'wb') as f:
f.write(template.render(
file=os.path.basename(__file__),
+ commands=commands,
enums=enums,
- copyright=COPYRIGHT,
- FOREIGN_ENUM_VALUES=FOREIGN_ENUM_VALUES))
+ extensions=extensions,
+ structs=structs,
+ copyright=COPYRIGHT))
if __name__ == '__main__':