---
src/vulkan/Makefile.am | 3 +
src/vulkan/util/meson.build | 2 +
src/vulkan/util/vk_entrypoints_gen.py | 515 ++++++++++++++++++++++++++
src/vulkan/util/vk_extensions.py | 92 +++++
src/vulkan/util/vk_extensions_gen.py | 205 ++++++++++
5 files changed, 817 insertions(+)
create mode 100644 src/vulkan/util/vk_entrypoints_gen.py
create mode 100644 src/vulkan/util/vk_extensions.py
create mode 100644 src/vulkan/util/vk_extensions_gen.py
diff --git a/src/vulkan/Makefile.am b/src/vulkan/Makefile.am
index db3831229e9..bec5f3a46ab 100644
--- a/src/vulkan/Makefile.am
+++ b/src/vulkan/Makefile.am
@@ -10,6 +10,9 @@ PYTHON_GEN = $(AM_V_GEN)$(PYTHON2) $(PYTHON_FLAGS)
EXTRA_DIST = \
util/gen_enum_to_str.py \
+ util/vk_entrypoints_gen.py \
+ util/vk_extensions_gen.py \
+ util/vk_extensions.py \
util/meson.build \
wsi/meson.build \
meson.build
diff --git a/src/vulkan/util/meson.build b/src/vulkan/util/meson.build
index 78cee0adb50..102b72c1e1d 100644
--- a/src/vulkan/util/meson.build
+++ b/src/vulkan/util/meson.build
@@ -43,3 +43,5 @@ libvulkan_util = static_library(
c_args : [c_vis_args],
build_by_default : false,
)
+
+vk_api_generators_py = files(['vk_extensions.py', 'vk_extensions_gen.py',
'vk_entrypoints_gen.py'])
diff --git a/src/vulkan/util/vk_entrypoints_gen.py
b/src/vulkan/util/vk_entrypoints_gen.py
new file mode 100644
index 00000000000..5caaa834aa2
--- /dev/null
+++ b/src/vulkan/util/vk_entrypoints_gen.py
@@ -0,0 +1,515 @@
+# coding=utf-8
+#
+# Copyright © 2015, 2017 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.
+#
+
+import math
+import os
+import xml.etree.cElementTree as et
+
+from collections import OrderedDict, namedtuple
+from mako.template import Template
+
+from vk_extensions import *
+
+# 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.
+
+TEMPLATE_H = Template("""\
+/* This file generated from ${filename}, don't edit directly. */
+
+struct ${name_prefix}_dispatch_table {
+ union {
+ void *entrypoints[${len(entrypoints)}];
+ struct {
+ % for e in 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
+ };
+ };
+};
+
+%for layer in LAYERS:
+extern const struct ${name_prefix}_dispatch_table ${layer}_dispatch_table;
+%endfor
+extern const struct ${name_prefix}_dispatch_table
${name_prefix}_tramp_dispatch_table;
+
+% for e in 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
+""", 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 ${filename}, don't edit directly. */
+
+#include "${name_prefix}_private.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.
+ */
+
+static const char strings[] =
+% for s in strmap.sorted_strings:
+ "${s.string}\\0"
+% endfor
+;
+
+static const struct string_map_entry 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 ' '} ${strmap.collisions[i]}
+% endfor
+ */
+
+#define none 0xffff
+static const uint16_t string_map[${strmap.hash_size}] = {
+% for e in strmap.mapping:
+ ${ '{:0=#6x}'.format(e) if e >= 0 else 'none' },
+% endfor
+};
+
+int
+${name_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 = string_map[h & ${strmap.hash_mask}];
+ if (i == none)
+ return -1;
+ e = &string_map_entries[i];
+ if (e->hash == hash && strcmp(str, strings + e->name) == 0)
+ return e->num;
+ h += prime_step;
+ }
+
+ return -1;
+}
+
+/* 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 LAYERS:
+ % for e in entrypoints:
+ % if e.alias:
+ <% continue %>
+ % endif
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ ${e.return_type} ${e.prefixed_name(layer)}(${e.decl_params()})
__attribute__ ((weak));
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+ % endfor
+
+ const struct ${name_prefix}_dispatch_table ${layer}_dispatch_table = {
+ % for e in 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
+
+
+/** Trampoline entrypoints for all device functions */
+
+% for e in entrypoints:
+ % if e.alias or not e.is_device_entrypoint():
+ <% continue %>
+ % endif
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ static ${e.return_type}
+ ${e.prefixed_name(name_prefix + '_tramp')}(${e.decl_params()})
+ {
+ % if e.params[0].type == 'VkDevice':
+ ${name_prefix.upper()}_FROM_HANDLE(${name_prefix}_device,
${name_prefix}_device, ${e.params[0].name});
+ return ${name_prefix}_device->dispatch.${e.name}(${e.call_params()});
+ % elif e.params[0].type == 'VkCommandBuffer':
+ ${name_prefix.upper()}_FROM_HANDLE(${name_prefix}_cmd_buffer,
${name_prefix}_cmd_buffer, ${e.params[0].name});
+ return
${name_prefix}_cmd_buffer->device->dispatch.${e.name}(${e.call_params()});
+ % elif e.params[0].type == 'VkQueue':
+ ${name_prefix.upper()}_FROM_HANDLE(${name_prefix}_queue,
${name_prefix}_queue, ${e.params[0].name});
+ return
${name_prefix}_queue->device->dispatch.${e.name}(${e.call_params()});
+ % else:
+ assert(!"Unhandled device child trampoline case: ${e.params[0].type}");
+ % endif
+ }
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+% endfor
+
+const struct ${name_prefix}_dispatch_table ${name_prefix}_tramp_dispatch_table
= {
+% for e in entrypoints:
+ % if not e.is_device_entrypoint():
+ <% continue %>
+ % endif
+ % if e.guard is not None:
+#ifdef ${e.guard}
+ % endif
+ .${e.name} = ${e.prefixed_name(name_prefix + '_tramp')},
+ % if e.guard is not None:
+#endif // ${e.guard}
+ % endif
+% endfor
+};
+
+
+/** Return true if the core version or extension in which the given entrypoint
+ * is defined is enabled.
+ *
+ * If device is NULL, all device extensions are considered enabled.
+ */
+bool
+${name_prefix}_entrypoint_is_enabled(int index, uint32_t core_version,
+ const struct ${name_prefix}_instance_extension_table
*instance,
+ const struct ${name_prefix}_device_extension_table
*device)
+{
+ switch (index) {
+% for e in entrypoints:
+ case ${e.num}:
+ /* ${e.name} */
+ % if e.core_version:
+ % if e.is_device_entrypoint():
+ return ${e.core_version.c_vk_version()} <= core_version;
+ % else:
+ return !device && ${e.core_version.c_vk_version()} <= core_version;
+ % endif
+ % elif e.extensions:
+ % for ext in e.extensions:
+ % if ext.type == 'instance':
+ if (!device && instance->${ext.name[3:]}) return true;
+ % else:
+ if (!device || device->${ext.name[3:]}) return true;
+ % endif
+ % endfor
+ return false;
+ % else:
+ return true;
+ % endif
+% endfor
+ default:
+ return false;
+ }
+}""", output_encoding='utf-8')
+
+U32_MASK = 2**32 - 1
+
+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 num >= 0 and 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 = []
+
+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_device_entrypoint(self):
+ return self.params[0].type in ('VkDevice', 'VkCommandBuffer',
'VkQueue')
+
+ def prefixed_name(self, prefix):
+ assert self.name.startswith('vk')
+ return prefix + '_' + self.name[2:]
+
+ 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_device_entrypoint(self):
+ return self.alias.is_device_entrypoint()
+
+ def prefixed_name(self, prefix):
+ return self.alias.prefixed_name(prefix)
+
+def get_entrypoints(doc, entrypoints_to_defines, start_index, max_api_version,
extensions):
+ """Extract the entry points from the registry."""
+ 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)
+
+ for feature in doc.findall('./feature'):
+ assert feature.attrib['api'] == 'vulkan'
+ version = VkVersion(feature.attrib['number'])
+ if version > max_api_version:
+ continue
+
+ for command in feature.findall('./require/command'):
+ 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'):
+ ext_name = extension.attrib['name']
+ if ext_name not in supported_exts:
+ continue
+
+ ext = supported_exts[ext_name]
+ ext.type = extension.attrib['type']
+
+ 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 [e for e in entrypoints.values() if e.enabled]
+
+
+def get_entrypoints_defines(doc):
+ """Maps entry points to extension defines."""
+ entrypoints_to_defines = {}
+
+ for extension in doc.findall('./extensions/extension[@platform]'):
+ platform = extension.attrib['platform']
+ ext = '_KHR'
+ if platform.upper() == 'XLIB_XRANDR':
+ ext = '_EXT'
+ define = 'VK_USE_PLATFORM_' + platform.upper() + ext
+
+ for entrypoint in extension.findall('./require/command'):
+ fullname = entrypoint.attrib['name']
+ entrypoints_to_defines[fullname] = define
+
+ return entrypoints_to_defines
+
+
+def generate_entrypoints(max_api_version, extensions, layers, name_prefix,
xml_files, out_c, out_h, has_intel_entrypoints=False):
+ entrypoints = []
+
+ for filename in xml_files:
+ doc = et.parse(filename)
+ entrypoints += get_entrypoints(doc, get_entrypoints_defines(doc),
+ len(entrypoints), max_api_version,
extensions)
+
+ if has_intel_entrypoints:
+ # Manually add CreateDmaBufImageINTEL for which we don't have an
extension
+ # defined.
+ 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')
+ ]))
+
+ strmap = StringIntMap()
+ for num, e in enumerate(entrypoints):
+ strmap.add_string(e.name, num)
+ e.num = num
+ strmap.bake()
+
+ # For outputting entrypoints.h we generate a ${name_prefix}_EntryPoint()
prototype
+ # per entry point.
+ try:
+ with open(out_h, 'wb') as f:
+ f.write(TEMPLATE_H.render(entrypoints=entrypoints,
+ LAYERS=layers,
+ name_prefix=name_prefix,
+ filename=os.path.basename(__file__)))
+ with open(out_c, 'wb') as f:
+ f.write(TEMPLATE_C.render(entrypoints=entrypoints,
+ LAYERS=layers,
+ name_prefix=name_prefix,
+ strmap=strmap,
+ filename=os.path.basename(__file__)))
+ except Exception:
+ # In the even 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
diff --git a/src/vulkan/util/vk_extensions.py b/src/vulkan/util/vk_extensions.py
new file mode 100644
index 00000000000..4f6667fe86c
--- /dev/null
+++ b/src/vulkan/util/vk_extensions.py
@@ -0,0 +1,92 @@
+COPYRIGHT = """\
+/*
+ * Copyright 2017 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ */
+"""
+
+import argparse
+import copy
+import re
+import xml.etree.cElementTree as et
+
+def _bool_to_c_expr(b):
+ if b is True:
+ return 'true'
+ elif b is False:
+ return 'false'
+ else:
+ return b
+
+class Extension:
+ def __init__(self, name, ext_version, enable):
+ self.name = name
+ self.ext_version = int(ext_version)
+ self.enable = _bool_to_c_expr(enable)
+
+class ApiVersion:
+ def __init__(self, version, enable):
+ self.version = version
+ self.enable = _bool_to_c_expr(enable)
+
+
+class VkVersion:
+ def __init__(self, string):
+ split = string.split('.')
+ self.major = int(split[0])
+ self.minor = int(split[1])
+ if len(split) > 2:
+ assert len(split) == 3
+ self.patch = int(split[2])
+ else:
+ self.patch = None
+
+ # Sanity check. The range bits are required by the definition of the
+ # VK_MAKE_VERSION macro
+ assert self.major < 1024 and self.minor < 1024
+ assert self.patch is None or self.patch < 4096
+ assert(str(self) == string)
+
+ def __str__(self):
+ ver_list = [str(self.major), str(self.minor)]
+ if self.patch is not None:
+ ver_list.append(str(self.patch))
+ return '.'.join(ver_list)
+
+ def c_vk_version(self):
+ patch = self.patch if self.patch is not None else 0
+ ver_list = [str(self.major), str(self.minor), str(patch)]
+ return 'VK_MAKE_VERSION(' + ', '.join(ver_list) + ')'
+
+ def __int_ver(self):
+ # This is just an expansion of VK_VERSION
+ patch = self.patch if self.patch is not None else 0
+ return (self.major << 22) | (self.minor << 12) | patch
+
+ def __cmp__(self, other):
+ # If only one of them has a patch version, "ignore" it by making
+ # other's patch version match self.
+ if (self.patch is None) != (other.patch is None):
+ other = copy.copy(other)
+ other.patch = self.patch
+
+ return self.__int_ver().__cmp__(other.__int_ver())
diff --git a/src/vulkan/util/vk_extensions_gen.py
b/src/vulkan/util/vk_extensions_gen.py
new file mode 100644
index 00000000000..12905190a08
--- /dev/null
+++ b/src/vulkan/util/vk_extensions_gen.py
@@ -0,0 +1,205 @@
+COPYRIGHT = """\
+/*
+ * Copyright 2017 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ */
+"""
+
+import xml.etree.cElementTree as et
+
+from mako.template import Template
+
+from vk_extensions import *
+
+def _init_exts_from_xml(xml, extensions):
+ """ Walk the Vulkan XML and fill out extra extension information. """
+
+ xml = et.parse(xml)
+
+ ext_name_map = {}
+ for ext in extensions:
+ ext_name_map[ext.name] = ext
+
+ for ext_elem in xml.findall('.extensions/extension'):
+ ext_name = ext_elem.attrib['name']
+ if ext_name not in ext_name_map:
+ continue
+
+ ext = ext_name_map[ext_name]
+ ext.type = ext_elem.attrib['type']
+
+_TEMPLATE_H = Template(COPYRIGHT + """
+
+#ifndef ${name_prefix.upper()}_EXTENSIONS_H
+#define ${name_prefix.upper()}_EXTENSIONS_H
+
+#include "stdbool.h"
+
+#define ${name_prefix.upper()}_INSTANCE_EXTENSION_COUNT
${len(instance_extensions)}
+
+extern const VkExtensionProperties ${name_prefix}_instance_extensions[];
+
+struct ${name_prefix}_instance_extension_table {
+ union {
+ bool extensions[${name_prefix.upper()}_INSTANCE_EXTENSION_COUNT];
+ struct {
+%for ext in instance_extensions:
+ bool ${ext.name[3:]};
+%endfor
+ };
+ };
+};
+
+extern const struct ${name_prefix}_instance_extension_table
${name_prefix}_instance_extensions_supported;
+
+
+#define ${name_prefix.upper()}_DEVICE_EXTENSION_COUNT ${len(device_extensions)}
+
+extern const VkExtensionProperties ${name_prefix}_device_extensions[];
+
+struct ${name_prefix}_device_extension_table {
+ union {
+ bool extensions[${name_prefix.upper()}_DEVICE_EXTENSION_COUNT];
+ struct {
+%for ext in device_extensions:
+ bool ${ext.name[3:]};
+%endfor
+ };
+ };
+};
+
+struct ${name_prefix}_physical_device;
+
+void
+${name_prefix}_physical_device_get_supported_extensions(const struct
${name_prefix}_physical_device *device,
+ struct
${name_prefix}_device_extension_table *extensions);
+
+#endif /* ${name_prefix.upper()}_EXTENSIONS_H */
+""")
+
+_TEMPLATE_C = Template(COPYRIGHT + """
+#include "${name_prefix}_private.h"
+
+#include "vk_util.h"
+
+/* Convert the VK_USE_PLATFORM_* defines to booleans */
+%for platform in ['ANDROID_KHR', 'WAYLAND_KHR', 'XCB_KHR', 'XLIB_KHR',
'DISPLAY_KHR', 'XLIB_XRANDR_EXT']:
+#ifdef VK_USE_PLATFORM_${platform}
+# undef VK_USE_PLATFORM_${platform}
+# define VK_USE_PLATFORM_${platform} true
+#else
+# define VK_USE_PLATFORM_${platform} false
+#endif
+%endfor
+
+/* And ANDROID too */
+#ifdef ANDROID
+# undef ANDROID
+# define ANDROID true
+#else
+# define ANDROID false
+#endif
+
+#define ${name_prefix.upper()}_HAS_SURFACE (VK_USE_PLATFORM_WAYLAND_KHR || \\
+ VK_USE_PLATFORM_XCB_KHR || \\
+ VK_USE_PLATFORM_XLIB_KHR || \\
+ VK_USE_PLATFORM_DISPLAY_KHR)
+
+static const uint32_t max_api_version = ${max_api_version.c_vk_version()};
+
+VkResult ${name_prefix}_EnumerateInstanceVersion(
+ uint32_t* pApiVersion)
+{
+ *pApiVersion = max_api_version;
+ return VK_SUCCESS;
+}
+
+const VkExtensionProperties
${name_prefix}_instance_extensions[${name_prefix.upper()}_INSTANCE_EXTENSION_COUNT]
= {
+%for ext in instance_extensions:
+ {"${ext.name}", ${ext.ext_version}},
+%endfor
+};
+
+const struct ${name_prefix}_instance_extension_table
${name_prefix}_instance_extensions_supported = {
+%for ext in instance_extensions:
+ .${ext.name[3:]} = ${ext.enable},
+%endfor
+};
+
+uint32_t
+${name_prefix}_physical_device_api_version(struct
${name_prefix}_physical_device *device)
+{
+ uint32_t version = 0;
+
+ uint32_t override = vk_get_version_override();
+ if (override)
+ return MIN2(override, max_api_version);
+
+%for version in api_versions:
+ if (!(${version.enable}))
+ return version;
+ version = ${version.version.c_vk_version()};
+
+%endfor
+ return version;
+}
+
+const VkExtensionProperties
${name_prefix}_device_extensions[${name_prefix.upper()}_DEVICE_EXTENSION_COUNT]
= {
+%for ext in device_extensions:
+ {"${ext.name}", ${ext.ext_version}},
+%endfor
+};
+
+void
+${name_prefix}_physical_device_get_supported_extensions(const struct
${name_prefix}_physical_device *device,
+ struct
${name_prefix}_device_extension_table *extensions)
+{
+ *extensions = (struct ${name_prefix}_device_extension_table) {
+%for ext in device_extensions:
+ .${ext.name[3:]} = ${ext.enable},
+%endfor
+ };
+}
+""")
+
+def generate_extensions(max_api_version, api_versions, extensions,
name_prefix, xml_files, out_c=None, out_h=None):
+ for filename in xml_files:
+ _init_exts_from_xml(filename, extensions)
+
+ for ext in extensions:
+ assert ext.type == 'instance' or ext.type == 'device'
+
+ template_env = {
+ 'api_versions': api_versions,
+ 'max_api_version': max_api_version,
+ 'name_prefix': name_prefix,
+ 'instance_extensions': [e for e in extensions if e.type == 'instance'],
+ 'device_extensions': [e for e in extensions if e.type == 'device'],
+ }
+
+ if out_h:
+ with open(out_h, 'w') as f:
+ f.write(_TEMPLATE_H.render(**template_env))
+
+ if out_c:
+ with open(out_c, 'w') as f:
+ f.write(_TEMPLATE_C.render(**template_env))
--
2.18.0
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