X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fintel%2Fvulkan%2Fanv_entrypoints_gen.py;h=ff166186a0b6a9369a88b5bf6d7173af3d6f7f72;hb=66df2ffa36a69265dbb6ab815a93eca6c2a208da;hp=12ee7350fc9764247cb5c638c83f8d5cbc6b408f;hpb=1610b3dede1d0d3246bd803f80ec5f2843668cda;p=mesa.git diff --git a/src/intel/vulkan/anv_entrypoints_gen.py b/src/intel/vulkan/anv_entrypoints_gen.py index 12ee7350fc9..ff166186a0b 100644 --- a/src/intel/vulkan/anv_entrypoints_gen.py +++ b/src/intel/vulkan/anv_entrypoints_gen.py @@ -23,355 +23,833 @@ # 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; +} + + +${strmap(instance_strmap, 'instance')} +${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') + + platform_define = {} + for platform in doc.findall('./platforms/platform'): + name = platform.attrib['name'] + define = platform.attrib['protect'] + platform_define[name] = define + + for extension in doc.findall('./extensions/extension[@platform]'): + platform = extension.attrib['platform'] + define = platform_define[platform] + + for entrypoint in extension.findall('./require/command'): + fullname = entrypoint.attrib['name'] entrypoints_to_defines[fullname] = define + 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': - print "/* This file generated from vk_gen.py, don't edit directly. */\n" - - print "struct anv_dispatch_table {" - print " union {" - print " void *entrypoints[%d];" % len(entrypoints) - print " struct {" - - 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) - exit() - - - - 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) + 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__':