#
import argparse
-import textwrap
+import math
+import os
import xml.etree.ElementTree as et
-MAX_API_VERSION = 1.0
-
-SUPPORTED_EXTENSIONS = [
- 'VK_KHR_descriptor_update_template',
- 'VK_KHR_get_physical_device_properties2',
- 'VK_KHR_maintenance1',
- 'VK_KHR_push_descriptor',
- 'VK_KHR_sampler_mirror_clamp_to_edge',
- 'VK_KHR_shader_draw_parameters',
- 'VK_KHR_surface',
- 'VK_KHR_swapchain',
- 'VK_KHR_wayland_surface',
- 'VK_KHR_xcb_surface',
- 'VK_KHR_xlib_surface',
-]
+from collections import OrderedDict, namedtuple
+from mako.template import Template
+
+from anv_extensions import VkVersion, MAX_API_VERSION, EXTENSIONS
# We generate a static hash table for entry point lookup
# (vkGetProcAddress). We use a linear congruential generator for our hash
# function and a power-of-two size table. The prime numbers are determined
# experimentally.
-NONE = 0xffff
-HASH_SIZE = 256
-U32_MASK = 2**32 - 1
-HASH_MASK = HASH_SIZE - 1
-
-PRIME_FACTOR = 5024183
-PRIME_STEP = 19
-
-opt_header = False
-opt_code = False
-
-
-def hash(name):
- h = 0
- for c in name:
- h = (h * PRIME_FACTOR + ord(c)) & U32_MASK
-
- return h
+LAYERS = [
+ 'anv',
+ 'gen7',
+ 'gen75',
+ 'gen8',
+ 'gen9',
+ 'gen10',
+ 'gen11',
+ 'gen12',
+]
+TEMPLATE_H = Template("""\
+/* This file generated from ${filename}, don't edit directly. */
+
+struct anv_instance_dispatch_table {
+ union {
+ void *entrypoints[${len(instance_entrypoints)}];
+ struct {
+ % for e in instance_entrypoints:
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ PFN_${e.name} ${e.name};
+#else
+ void *${e.name};
+# endif
+ % else:
+ PFN_${e.name} ${e.name};
+ % endif
+ % endfor
+ };
+ };
+};
+
+struct anv_physical_device_dispatch_table {
+ union {
+ void *entrypoints[${len(physical_device_entrypoints)}];
+ struct {
+ % for e in physical_device_entrypoints:
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ PFN_${e.name} ${e.name};
+#else
+ void *${e.name};
+# endif
+ % else:
+ PFN_${e.name} ${e.name};
+ % endif
+ % endfor
+ };
+ };
+};
+
+struct anv_device_dispatch_table {
+ union {
+ void *entrypoints[${len(device_entrypoints)}];
+ struct {
+ % for e in device_entrypoints:
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ PFN_${e.name} ${e.name};
+#else
+ void *${e.name};
+# endif
+ % else:
+ PFN_${e.name} ${e.name};
+ % endif
+ % endfor
+ };
+ };
+};
+
+extern const struct anv_instance_dispatch_table anv_instance_dispatch_table;
+%for layer in LAYERS:
+extern const struct anv_physical_device_dispatch_table ${layer}_physical_device_dispatch_table;
+%endfor
+%for layer in LAYERS:
+extern const struct anv_device_dispatch_table ${layer}_device_dispatch_table;
+%endfor
+
+% for e in instance_entrypoints:
+ % if e.alias and e.alias.enabled:
+ <% continue %>
+ % endif
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ ${e.return_type} ${e.prefixed_name('anv')}(${e.decl_params()});
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+% endfor
+
+% for e in physical_device_entrypoints:
+ % if e.alias:
+ <% continue %>
+ % endif
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ % for layer in LAYERS:
+ ${e.return_type} ${e.prefixed_name(layer)}(${e.decl_params()});
+ % endfor
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+% endfor
+
+% for e in device_entrypoints:
+ % if e.alias and e.alias.enabled:
+ <% continue %>
+ % endif
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ % for layer in LAYERS:
+ ${e.return_type} ${e.prefixed_name(layer)}(${e.decl_params()});
+ % endfor
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+% endfor
+""", output_encoding='utf-8')
+
+TEMPLATE_C = Template(u"""\
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/* This file generated from ${filename}, don't edit directly. */
+
+#include "anv_private.h"
+
+#include "util/macros.h"
+
+struct string_map_entry {
+ uint32_t name;
+ uint32_t hash;
+ uint32_t num;
+};
+
+/* We use a big string constant to avoid lots of reloctions from the entry
+ * point table to lots of little strings. The entries in the entry point table
+ * store the index into this big string.
+ */
+
+<%def name="strmap(strmap, prefix)">
+static const char ${prefix}_strings[] =
+% for s in strmap.sorted_strings:
+ "${s.string}\\0"
+% endfor
+;
+
+static const struct string_map_entry ${prefix}_string_map_entries[] = {
+% for s in strmap.sorted_strings:
+ { ${s.offset}, ${'{:0=#8x}'.format(s.hash)}, ${s.num} }, /* ${s.string} */
+% endfor
+};
+
+/* Hash table stats:
+ * size ${len(strmap.sorted_strings)} entries
+ * collisions entries:
+% for i in range(10):
+ * ${i}${'+' if i == 9 else ' '} ${strmap.collisions[i]}
+% endfor
+ */
+
+#define none 0xffff
+static const uint16_t ${prefix}_string_map[${strmap.hash_size}] = {
+% for e in strmap.mapping:
+ ${ '{:0=#6x}'.format(e) if e >= 0 else 'none' },
+% endfor
+};
+
+static int
+${prefix}_string_map_lookup(const char *str)
+{
+ static const uint32_t prime_factor = ${strmap.prime_factor};
+ static const uint32_t prime_step = ${strmap.prime_step};
+ const struct string_map_entry *e;
+ uint32_t hash, h;
+ uint16_t i;
+ const char *p;
+
+ hash = 0;
+ for (p = str; *p; p++)
+ hash = hash * prime_factor + *p;
+
+ h = hash;
+ while (1) {
+ i = ${prefix}_string_map[h & ${strmap.hash_mask}];
+ if (i == none)
+ return -1;
+ e = &${prefix}_string_map_entries[i];
+ if (e->hash == hash && strcmp(str, ${prefix}_strings + e->name) == 0)
+ return e->num;
+ h += prime_step;
+ }
-def print_guard_start(guard):
- if guard is not None:
- print "#ifdef {0}".format(guard)
+ return -1;
+}
+
+static const char *
+${prefix}_entry_name(int num)
+{
+ for (int i = 0; i < ARRAY_SIZE(${prefix}_string_map_entries); i++) {
+ if (${prefix}_string_map_entries[i].num == num)
+ return &${prefix}_strings[${prefix}_string_map_entries[i].name];
+ }
+ return NULL;
+}
+</%def>
+
+${strmap(instance_strmap, 'instance')}
+${strmap(physical_device_strmap, 'physical_device')}
+${strmap(device_strmap, 'device')}
+
+/* Weak aliases for all potential implementations. These will resolve to
+ * NULL if they're not defined, which lets the resolve_entrypoint() function
+ * either pick the correct entry point.
+ */
+
+% for e in instance_entrypoints:
+ % if e.alias and e.alias.enabled:
+ <% continue %>
+ % endif
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ ${e.return_type} ${e.prefixed_name('anv')}(${e.decl_params()}) __attribute__ ((weak));
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+% endfor
+
+const struct anv_instance_dispatch_table anv_instance_dispatch_table = {
+% for e in instance_entrypoints:
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ .${e.name} = ${e.prefixed_name('anv')},
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+% endfor
+};
+
+% for e in physical_device_entrypoints:
+ % if e.alias and e.alias.enabled:
+ <% continue %>
+ % endif
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ ${e.return_type} ${e.prefixed_name('anv')}(${e.decl_params()}) __attribute__ ((weak));
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+% endfor
+
+const struct anv_physical_device_dispatch_table anv_physical_device_dispatch_table = {
+% for e in physical_device_entrypoints:
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ .${e.name} = ${e.prefixed_name('anv')},
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+% endfor
+};
+
+
+% for layer in LAYERS:
+ % for e in device_entrypoints:
+ % if e.alias and e.alias.enabled:
+ <% continue %>
+ % endif
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ % if layer == 'anv':
+ ${e.return_type} __attribute__ ((weak))
+ ${e.prefixed_name('anv')}(${e.decl_params()})
+ {
+ % if e.params[0].type == 'VkDevice':
+ ANV_FROM_HANDLE(anv_device, anv_device, ${e.params[0].name});
+ return anv_device->dispatch.${e.name}(${e.call_params()});
+ % elif e.params[0].type == 'VkCommandBuffer':
+ ANV_FROM_HANDLE(anv_cmd_buffer, anv_cmd_buffer, ${e.params[0].name});
+ return anv_cmd_buffer->device->dispatch.${e.name}(${e.call_params()});
+ % elif e.params[0].type == 'VkQueue':
+ ANV_FROM_HANDLE(anv_queue, anv_queue, ${e.params[0].name});
+ return anv_queue->device->dispatch.${e.name}(${e.call_params()});
+ % else:
+ assert(!"Unhandled device child trampoline case: ${e.params[0].type}");
+ % endif
+ }
+ % else:
+ ${e.return_type} ${e.prefixed_name(layer)}(${e.decl_params()}) __attribute__ ((weak));
+ % endif
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+ % endfor
+
+ const struct anv_device_dispatch_table ${layer}_device_dispatch_table = {
+ % for e in device_entrypoints:
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ .${e.name} = ${e.prefixed_name(layer)},
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+ % endfor
+ };
+% endfor
+
+
+/** Return true if the core version or extension in which the given entrypoint
+ * is defined is enabled.
+ *
+ * If device is NULL, all device extensions are considered enabled.
+ */
+bool
+anv_instance_entrypoint_is_enabled(int index, uint32_t core_version,
+ const struct anv_instance_extension_table *instance)
+{
+ switch (index) {
+% for e in instance_entrypoints:
+ case ${e.num}:
+ /* ${e.name} */
+ % if e.core_version:
+ return ${e.core_version.c_vk_version()} <= core_version;
+ % elif e.extensions:
+ % for ext in e.extensions:
+ % if ext.type == 'instance':
+ if (instance->${ext.name[3:]}) return true;
+ % else:
+ /* All device extensions are considered enabled at the instance level */
+ return true;
+ % endif
+ % endfor
+ return false;
+ % else:
+ return true;
+ % endif
+% endfor
+ default:
+ return false;
+ }
+}
+
+/** Return true if the core version or extension in which the given entrypoint
+ * is defined is enabled.
+ *
+ * If device is NULL, all device extensions are considered enabled.
+ */
+bool
+anv_physical_device_entrypoint_is_enabled(int index, uint32_t core_version,
+ const struct anv_instance_extension_table *instance)
+{
+ switch (index) {
+% for e in physical_device_entrypoints:
+ case ${e.num}:
+ /* ${e.name} */
+ % if e.core_version:
+ return ${e.core_version.c_vk_version()} <= core_version;
+ % elif e.extensions:
+ % for ext in e.extensions:
+ % if ext.type == 'instance':
+ if (instance->${ext.name[3:]}) return true;
+ % else:
+ /* All device extensions are considered enabled at the instance level */
+ return true;
+ % endif
+ % endfor
+ return false;
+ % else:
+ return true;
+ % endif
+% endfor
+ default:
+ return false;
+ }
+}
+
+/** Return true if the core version or extension in which the given entrypoint
+ * is defined is enabled.
+ *
+ * If device is NULL, all device extensions are considered enabled.
+ */
+bool
+anv_device_entrypoint_is_enabled(int index, uint32_t core_version,
+ const struct anv_instance_extension_table *instance,
+ const struct anv_device_extension_table *device)
+{
+ switch (index) {
+% for e in device_entrypoints:
+ case ${e.num}:
+ /* ${e.name} */
+ % if e.core_version:
+ return ${e.core_version.c_vk_version()} <= core_version;
+ % elif e.extensions:
+ % for ext in e.extensions:
+ % if ext.type == 'instance':
+ <% assert False %>
+ % else:
+ if (!device || device->${ext.name[3:]}) return true;
+ % endif
+ % endfor
+ return false;
+ % else:
+ return true;
+ % endif
+% endfor
+ default:
+ return false;
+ }
+}
+
+int
+anv_get_instance_entrypoint_index(const char *name)
+{
+ return instance_string_map_lookup(name);
+}
+
+int
+anv_get_physical_device_entrypoint_index(const char *name)
+{
+ return physical_device_string_map_lookup(name);
+}
+
+int
+anv_get_device_entrypoint_index(const char *name)
+{
+ return device_string_map_lookup(name);
+}
+
+const char *
+anv_get_instance_entry_name(int index)
+{
+ return instance_entry_name(index);
+}
+
+const char *
+anv_get_physical_device_entry_name(int index)
+{
+ return physical_device_entry_name(index);
+}
+
+const char *
+anv_get_device_entry_name(int index)
+{
+ return device_entry_name(index);
+}
+
+void * __attribute__ ((noinline))
+anv_resolve_device_entrypoint(const struct gen_device_info *devinfo, uint32_t index)
+{
+ const struct anv_device_dispatch_table *genX_table;
+ switch (devinfo->gen) {
+ case 12:
+ genX_table = &gen12_device_dispatch_table;
+ break;
+ case 11:
+ genX_table = &gen11_device_dispatch_table;
+ break;
+ case 10:
+ genX_table = &gen10_device_dispatch_table;
+ break;
+ case 9:
+ genX_table = &gen9_device_dispatch_table;
+ break;
+ case 8:
+ genX_table = &gen8_device_dispatch_table;
+ break;
+ case 7:
+ if (devinfo->is_haswell)
+ genX_table = &gen75_device_dispatch_table;
+ else
+ genX_table = &gen7_device_dispatch_table;
+ break;
+ default:
+ unreachable("unsupported gen\\n");
+ }
+
+ if (genX_table->entrypoints[index])
+ return genX_table->entrypoints[index];
+ else
+ return anv_device_dispatch_table.entrypoints[index];
+}
+
+void *
+anv_lookup_entrypoint(const struct gen_device_info *devinfo, const char *name)
+{
+ int idx = anv_get_instance_entrypoint_index(name);
+ if (idx >= 0)
+ return anv_instance_dispatch_table.entrypoints[idx];
+
+ idx = anv_get_physical_device_entrypoint_index(name);
+ if (idx >= 0)
+ return anv_physical_device_dispatch_table.entrypoints[idx];
+
+ idx = anv_get_device_entrypoint_index(name);
+ if (idx >= 0)
+ return anv_resolve_device_entrypoint(devinfo, idx);
+
+ return NULL;
+}""", output_encoding='utf-8')
+U32_MASK = 2**32 - 1
-def print_guard_end(guard):
- if guard is not None:
- print "#endif // {0}".format(guard)
+PRIME_FACTOR = 5024183
+PRIME_STEP = 19
+class StringIntMapEntry(object):
+ def __init__(self, string, num):
+ self.string = string
+ self.num = num
+
+ # Calculate the same hash value that we will calculate in C.
+ h = 0
+ for c in string:
+ h = ((h * PRIME_FACTOR) + ord(c)) & U32_MASK
+ self.hash = h
+
+ self.offset = None
+
+def round_to_pow2(x):
+ return 2**int(math.ceil(math.log(x, 2)))
+
+class StringIntMap(object):
+ def __init__(self):
+ self.baked = False
+ self.strings = dict()
+
+ def add_string(self, string, num):
+ assert not self.baked
+ assert string not in self.strings
+ assert 0 <= num < 2**31
+ self.strings[string] = StringIntMapEntry(string, num)
+
+ def bake(self):
+ self.sorted_strings = \
+ sorted(self.strings.values(), key=lambda x: x.string)
+ offset = 0
+ for entry in self.sorted_strings:
+ entry.offset = offset
+ offset += len(entry.string) + 1
+
+ # Save off some values that we'll need in C
+ self.hash_size = round_to_pow2(len(self.strings) * 1.25)
+ self.hash_mask = self.hash_size - 1
+ self.prime_factor = PRIME_FACTOR
+ self.prime_step = PRIME_STEP
+
+ self.mapping = [-1] * self.hash_size
+ self.collisions = [0] * 10
+ for idx, s in enumerate(self.sorted_strings):
+ level = 0
+ h = s.hash
+ while self.mapping[h & self.hash_mask] >= 0:
+ h = h + PRIME_STEP
+ level = level + 1
+ self.collisions[min(level, 9)] += 1
+ self.mapping[h & self.hash_mask] = idx
+
+EntrypointParam = namedtuple('EntrypointParam', 'type name decl')
+
+class EntrypointBase(object):
+ def __init__(self, name):
+ self.name = name
+ self.alias = None
+ self.guard = None
+ self.enabled = False
+ self.num = None
+ # Extensions which require this entrypoint
+ self.core_version = None
+ self.extensions = []
+
+ def prefixed_name(self, prefix):
+ assert self.name.startswith('vk')
+ return prefix + '_' + self.name[2:]
+
+class Entrypoint(EntrypointBase):
+ def __init__(self, name, return_type, params, guard=None):
+ super(Entrypoint, self).__init__(name)
+ self.return_type = return_type
+ self.params = params
+ self.guard = guard
+
+ def is_physical_device_entrypoint(self):
+ return self.params[0].type in ('VkPhysicalDevice', )
+
+ def is_device_entrypoint(self):
+ return self.params[0].type in ('VkDevice', 'VkCommandBuffer', 'VkQueue')
+
+ def decl_params(self):
+ return ', '.join(p.decl for p in self.params)
+
+ def call_params(self):
+ return ', '.join(p.name for p in self.params)
+
+class EntrypointAlias(EntrypointBase):
+ def __init__(self, name, entrypoint):
+ super(EntrypointAlias, self).__init__(name)
+ self.alias = entrypoint
+
+ def is_physical_device_entrypoint(self):
+ return self.alias.is_physical_device_entrypoint()
+
+ def is_device_entrypoint(self):
+ return self.alias.is_device_entrypoint()
+
+ def prefixed_name(self, prefix):
+ if self.alias.enabled:
+ return self.alias.prefixed_name(prefix)
+ return super(EntrypointAlias, self).prefixed_name(prefix)
+
+ @property
+ def params(self):
+ return self.alias.params
+
+ @property
+ def return_type(self):
+ return self.alias.return_type
+
+ def decl_params(self):
+ return self.alias.decl_params()
+
+ def call_params(self):
+ return self.alias.call_params()
def get_entrypoints(doc, entrypoints_to_defines):
"""Extract the entry points from the registry."""
- entrypoints = []
+ entrypoints = OrderedDict()
+
+ for command in doc.findall('./commands/command'):
+ if 'alias' in command.attrib:
+ alias = command.attrib['name']
+ target = command.attrib['alias']
+ entrypoints[alias] = EntrypointAlias(alias, entrypoints[target])
+ else:
+ name = command.find('./proto/name').text
+ ret_type = command.find('./proto/type').text
+ params = [EntrypointParam(
+ type=p.find('./type').text,
+ name=p.find('./name').text,
+ decl=''.join(p.itertext())
+ ) for p in command.findall('./param')]
+ guard = entrypoints_to_defines.get(name)
+ # They really need to be unique
+ assert name not in entrypoints
+ entrypoints[name] = Entrypoint(name, ret_type, params, guard)
- enabled_commands = set()
for feature in doc.findall('./feature'):
assert feature.attrib['api'] == 'vulkan'
- if float(feature.attrib['number']) > MAX_API_VERSION:
+ version = VkVersion(feature.attrib['number'])
+ if version > MAX_API_VERSION:
continue
for command in feature.findall('./require/command'):
- enabled_commands.add(command.attrib['name'])
+ e = entrypoints[command.attrib['name']]
+ e.enabled = True
+ assert e.core_version is None
+ e.core_version = version
+ supported_exts = dict((ext.name, ext) for ext in EXTENSIONS)
for extension in doc.findall('.extensions/extension'):
- if extension.attrib['name'] not in SUPPORTED_EXTENSIONS:
+ ext_name = extension.attrib['name']
+ if ext_name not in supported_exts:
continue
- assert extension.attrib['supported'] == 'vulkan'
- for command in extension.findall('./require/command'):
- enabled_commands.add(command.attrib['name'])
-
- index = 0
- for command in doc.findall('./commands/command'):
- type = command.find('./proto/type').text
- fullname = command.find('./proto/name').text
-
- if fullname not in enabled_commands:
- continue
+ ext = supported_exts[ext_name]
+ ext.type = extension.attrib['type']
- shortname = fullname[2:]
- params = (''.join(p.itertext()) for p in command.findall('./param'))
- params = ', '.join(params)
- if fullname in entrypoints_to_defines:
- guard = entrypoints_to_defines[fullname]
- else:
- guard = None
- entrypoints.append((type, shortname, params, index, hash(fullname), guard))
- index += 1
+ for command in extension.findall('./require/command'):
+ e = entrypoints[command.attrib['name']]
+ e.enabled = True
+ assert e.core_version is None
+ e.extensions.append(ext)
- return entrypoints
+ return [e for e in entrypoints.values() if e.enabled]
def get_entrypoints_defines(doc):
"""Maps entry points to extension defines."""
entrypoints_to_defines = {}
- extensions = doc.findall('./extensions/extension')
- for extension in extensions:
- define = extension.get('protect')
- entrypoints = extension.findall('./require/command')
- for entrypoint in entrypoints:
- fullname = entrypoint.get('name')
- entrypoints_to_defines[fullname] = define
- return entrypoints_to_defines
+ platform_define = {}
+ for platform in doc.findall('./platforms/platform'):
+ name = platform.attrib['name']
+ define = platform.attrib['protect']
+ platform_define[name] = define
-def gen_header(entrypoints):
- print "/* This file generated from vk_gen.py, don't edit directly. */\n"
+ for extension in doc.findall('./extensions/extension[@platform]'):
+ platform = extension.attrib['platform']
+ define = platform_define[platform]
- print "struct anv_dispatch_table {"
- print " union {"
- print " void *entrypoints[%d];" % len(entrypoints)
- print " struct {"
+ for entrypoint in extension.findall('./require/command'):
+ fullname = entrypoint.attrib['name']
+ entrypoints_to_defines[fullname] = define
- for type, name, args, num, h, guard in entrypoints:
- if guard is not None:
- print "#ifdef {0}".format(guard)
- print " PFN_vk{0} {0};".format(name)
- print "#else"
- print " void *{0};".format(name)
- print "#endif"
- else:
- print " PFN_vk{0} {0};".format(name)
- print " };\n"
- print " };\n"
- print "};\n"
-
- print "void anv_set_dispatch_devinfo(const struct gen_device_info *info);\n"
-
- for type, name, args, num, h, guard in entrypoints:
- print_guard_start(guard)
- print "%s anv_%s(%s);" % (type, name, args)
- print "%s gen7_%s(%s);" % (type, name, args)
- print "%s gen75_%s(%s);" % (type, name, args)
- print "%s gen8_%s(%s);" % (type, name, args)
- print "%s gen9_%s(%s);" % (type, name, args)
- print_guard_end(guard)
-
-
-def gen_code(entrypoints):
- print textwrap.dedent("""\
- /*
- * Copyright © 2015 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
- /* DO NOT EDIT! This is a generated file. */
-
- #include "anv_private.h"
-
- struct anv_entrypoint {
- uint32_t name;
- uint32_t hash;
- };
-
- /* We use a big string constant to avoid lots of reloctions from the entry
- * point table to lots of little strings. The entries in the entry point table
- * store the index into this big string.
- */
-
- static const char strings[] =""")
-
- offsets = []
- i = 0
- for type, name, args, num, h, guard in entrypoints:
- print " \"vk%s\\0\"" % name
- offsets.append(i)
- i += 2 + len(name) + 1
- print " ;"
-
- # Now generate the table of all entry points
-
- print "\nstatic const struct anv_entrypoint entrypoints[] = {"
- for type, name, args, num, h, guard in entrypoints:
- print " { %5d, 0x%08x }," % (offsets[num], h)
- print "};\n"
-
- print textwrap.dedent("""
-
- /* Weak aliases for all potential implementations. These will resolve to
- * NULL if they're not defined, which lets the resolve_entrypoint() function
- * either pick the correct entry point.
- */
- """)
-
- for layer in ["anv", "gen7", "gen75", "gen8", "gen9"]:
- for type, name, args, num, h, guard in entrypoints:
- print_guard_start(guard)
- print "%s %s_%s(%s) __attribute__ ((weak));" % (type, layer, name, args)
- print_guard_end(guard)
- print "\nconst struct anv_dispatch_table %s_layer = {" % layer
- for type, name, args, num, h, guard in entrypoints:
- print_guard_start(guard)
- print " .%s = %s_%s," % (name, layer, name)
- print_guard_end(guard)
- print "};\n"
-
- print textwrap.dedent("""
- static void * __attribute__ ((noinline))
- anv_resolve_entrypoint(const struct gen_device_info *devinfo, uint32_t index)
- {
- if (devinfo == NULL) {
- return anv_layer.entrypoints[index];
- }
-
- switch (devinfo->gen) {
- case 9:
- if (gen9_layer.entrypoints[index])
- return gen9_layer.entrypoints[index];
- /* fall through */
- case 8:
- if (gen8_layer.entrypoints[index])
- return gen8_layer.entrypoints[index];
- /* fall through */
- case 7:
- if (devinfo->is_haswell && gen75_layer.entrypoints[index])
- return gen75_layer.entrypoints[index];
-
- if (gen7_layer.entrypoints[index])
- return gen7_layer.entrypoints[index];
- /* fall through */
- case 0:
- return anv_layer.entrypoints[index];
- default:
- unreachable("unsupported gen\\n");
- }
- }
- """)
-
- # Now generate the hash table used for entry point look up. This is a
- # uint16_t table of entry point indices. We use 0xffff to indicate an entry
- # in the hash table is empty.
-
- map = [NONE] * HASH_SIZE
- collisions = [0] * 10
- for type, name, args, num, h, guard in entrypoints:
- level = 0
- while map[h & HASH_MASK] != NONE:
- h = h + PRIME_STEP
- level = level + 1
- if level > 9:
- collisions[9] += 1
- else:
- collisions[level] += 1
- map[h & HASH_MASK] = num
-
- print "/* Hash table stats:"
- print " * size %d entries" % HASH_SIZE
- print " * collisions entries"
- for i in xrange(10):
- if i == 9:
- plus = "+"
- else:
- plus = " "
-
- print " * %2d%s %4d" % (i, plus, collisions[i])
- print " */\n"
-
- print "#define none 0x%04x\n" % NONE
-
- print "static const uint16_t map[] = {"
- for i in xrange(0, HASH_SIZE, 8):
- print " ",
- for j in xrange(i, i + 8):
- if map[j] & 0xffff == 0xffff:
- print " none,",
- else:
- print "0x%04x," % (map[j] & 0xffff),
- print
-
- print "};"
-
- # Finally we generate the hash table lookup function. The hash function and
- # linear probing algorithm matches the hash table generated above.
-
- print textwrap.dedent("""
- void *
- anv_lookup_entrypoint(const struct gen_device_info *devinfo, const char *name)
- {
- static const uint32_t prime_factor = %d;
- static const uint32_t prime_step = %d;
- const struct anv_entrypoint *e;
- uint32_t hash, h, i;
- const char *p;
-
- hash = 0;
- for (p = name; *p; p++)
- hash = hash * prime_factor + *p;
-
- h = hash;
- do {
- i = map[h & %d];
- if (i == none)
- return NULL;
- e = &entrypoints[i];
- h += prime_step;
- } while (e->hash != hash);
-
- if (strcmp(name, strings + e->name) != 0)
- return NULL;
-
- return anv_resolve_entrypoint(devinfo, i);
- }
- """) % (PRIME_FACTOR, PRIME_STEP, HASH_MASK)
+ return entrypoints_to_defines
def main():
parser = argparse.ArgumentParser()
- parser.add_argument('target', choices=['header', 'code'],
- help='Which file to generate.')
- parser.add_argument('--xml', help='Vulkan API XML file.')
+ parser.add_argument('--outdir', help='Where to write the files.',
+ required=True)
+ parser.add_argument('--xml',
+ help='Vulkan API XML file.',
+ required=True,
+ action='append',
+ dest='xml_files')
args = parser.parse_args()
- doc = et.parse(args.xml)
- entrypoints = get_entrypoints(doc, get_entrypoints_defines(doc))
+ entrypoints = []
+
+ for filename in args.xml_files:
+ doc = et.parse(filename)
+ entrypoints += get_entrypoints(doc, get_entrypoints_defines(doc))
# Manually add CreateDmaBufImageINTEL for which we don't have an extension
# defined.
- entrypoints.append(('VkResult', 'CreateDmaBufImageINTEL',
- 'VkDevice device, ' +
- 'const VkDmaBufImageCreateInfo* pCreateInfo, ' +
- 'const VkAllocationCallbacks* pAllocator,' +
- 'VkDeviceMemory* pMem,' +
- 'VkImage* pImage', len(entrypoints),
- hash('vkCreateDmaBufImageINTEL'), None))
+ entrypoints.append(Entrypoint('vkCreateDmaBufImageINTEL', 'VkResult', [
+ EntrypointParam('VkDevice', 'device', 'VkDevice device'),
+ EntrypointParam('VkDmaBufImageCreateInfo', 'pCreateInfo',
+ 'const VkDmaBufImageCreateInfo* pCreateInfo'),
+ EntrypointParam('VkAllocationCallbacks', 'pAllocator',
+ 'const VkAllocationCallbacks* pAllocator'),
+ EntrypointParam('VkDeviceMemory', 'pMem', 'VkDeviceMemory* pMem'),
+ EntrypointParam('VkImage', 'pImage', 'VkImage* pImage')
+ ]))
+
+ device_entrypoints = []
+ physical_device_entrypoints = []
+ instance_entrypoints = []
+ for e in entrypoints:
+ if e.is_device_entrypoint():
+ device_entrypoints.append(e)
+ elif e.is_physical_device_entrypoint():
+ physical_device_entrypoints.append(e)
+ else:
+ instance_entrypoints.append(e)
+
+ device_strmap = StringIntMap()
+ for num, e in enumerate(device_entrypoints):
+ device_strmap.add_string(e.name, num)
+ e.num = num
+ device_strmap.bake()
+
+ physical_device_strmap = StringIntMap()
+ for num, e in enumerate(physical_device_entrypoints):
+ physical_device_strmap.add_string(e.name, num)
+ e.num = num
+ physical_device_strmap.bake()
+
+ instance_strmap = StringIntMap()
+ for num, e in enumerate(instance_entrypoints):
+ instance_strmap.add_string(e.name, num)
+ e.num = num
+ instance_strmap.bake()
# For outputting entrypoints.h we generate a anv_EntryPoint() prototype
# per entry point.
- if args.target == 'header':
- gen_header(entrypoints)
- else:
- gen_code(entrypoints)
+ try:
+ with open(os.path.join(args.outdir, 'anv_entrypoints.h'), 'wb') as f:
+ f.write(TEMPLATE_H.render(instance_entrypoints=instance_entrypoints,
+ physical_device_entrypoints=physical_device_entrypoints,
+ device_entrypoints=device_entrypoints,
+ LAYERS=LAYERS,
+ filename=os.path.basename(__file__)))
+ with open(os.path.join(args.outdir, 'anv_entrypoints.c'), 'wb') as f:
+ f.write(TEMPLATE_C.render(instance_entrypoints=instance_entrypoints,
+ physical_device_entrypoints=physical_device_entrypoints,
+ device_entrypoints=device_entrypoints,
+ LAYERS=LAYERS,
+ instance_strmap=instance_strmap,
+ physical_device_strmap=physical_device_strmap,
+ device_strmap=device_strmap,
+ filename=os.path.basename(__file__)))
+ except Exception:
+ # In the event there's an error, this imports some helpers from mako
+ # to print a useful stack trace and prints it, then exits with
+ # status 1, if python is run with debug; otherwise it just raises
+ # the exception
+ if __debug__:
+ import sys
+ from mako import exceptions
+ sys.stderr.write(exceptions.text_error_template().render() + '\n')
+ sys.exit(1)
+ raise
if __name__ == '__main__':