diff options
Diffstat (limited to 'src/amd/vulkan/radv_entrypoints_gen.py')
| -rw-r--r-- | src/amd/vulkan/radv_entrypoints_gen.py | 550 |
1 files changed, 282 insertions, 268 deletions
diff --git a/src/amd/vulkan/radv_entrypoints_gen.py b/src/amd/vulkan/radv_entrypoints_gen.py index 9f5a4f3ee39..9634f76fcd6 100644 --- a/src/amd/vulkan/radv_entrypoints_gen.py +++ b/src/amd/vulkan/radv_entrypoints_gen.py @@ -1,6 +1,6 @@ # coding=utf-8 # -# Copyright © 2015 Intel Corporation +# 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"), @@ -22,36 +22,41 @@ # IN THE SOFTWARE. # -import sys -import xml.etree.ElementTree as ET - -max_api_version = 1.0 - -supported_extensions = [ - 'VK_AMD_draw_indirect_count', - 'VK_NV_dedicated_allocation', - 'VK_KHR_descriptor_update_template', - 'VK_KHR_get_physical_device_properties2', - 'VK_KHR_incremental_present', - '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', - 'VK_KHR_get_memory_requirements2', - 'VK_KHR_dedicated_allocation', - 'VK_KHR_external_memory_capabilities', - 'VK_KHR_external_memory', - 'VK_KHR_external_memory_fd', - 'VK_KHR_storage_buffer_storage_class', - 'VK_KHR_variable_pointers', - 'VK_KHR_external_semaphore_capabilities', - 'VK_KHR_external_semaphore', - 'VK_KHR_external_semaphore_fd' +import argparse +import functools +import os +import textwrap +import xml.etree.cElementTree as et + +from mako.template import Template + +MAX_API_VERSION = 1.0 + +SUPPORTED_EXTENSIONS = [ + 'VK_AMD_draw_indirect_count', + 'VK_NV_dedicated_allocation', + 'VK_KHR_descriptor_update_template', + 'VK_KHR_get_physical_device_properties2', + 'VK_KHR_incremental_present', + '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', + 'VK_KHR_get_memory_requirements2', + 'VK_KHR_dedicated_allocation', + 'VK_KHR_external_memory_capabilities', + 'VK_KHR_external_memory', + 'VK_KHR_external_memory_fd', + 'VK_KHR_storage_buffer_storage_class', + 'VK_KHR_variable_pointers', + 'VK_KHR_external_semaphore_capabilities', + 'VK_KHR_external_semaphore', + 'VK_KHR_external_semaphore_fd', ] # We generate a static hash table for entry point lookup @@ -59,54 +64,204 @@ supported_extensions = [ # 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 +TEMPLATE_H = Template(textwrap.dedent("""\ + /* This file generated from ${filename}, don't edit directly. */ + + struct radv_dispatch_table { + union { + void *entrypoints[${len(entrypoints)}]; + struct { + % for _, name, _, _, _, guard in entrypoints: + % if guard is not None: + #ifdef ${guard} + PFN_vk${name} ${name}; + #else + void *${name}; + # endif + % else: + PFN_vk${name} ${name}; + % endif + % endfor + }; + }; + }; + + % for type_, name, args, num, h, guard in entrypoints: + % if guard is not None: + #ifdef ${guard} + % endif + ${type_} radv_${name}(${args}); + % if guard is not None: + #endif // ${guard} + % endif + % endfor + """), output_encoding='utf-8') + +TEMPLATE_C = Template(textwrap.dedent(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 ${filename}, don't edit directly. */ + + #include "radv_private.h" + + struct radv_entrypoint { + uint32_t name; + uint32_t hash; + }; + + /* We use a big string constant to avoid lots of reloctions from the entry + * point table to lots of little strings. The entries in the entry point table + * store the index into this big string. + */ + + static const char strings[] = + % for _, name, _, _, _, _ in entrypoints: + "vk${name}\\0" + % endfor + ; + + static const struct radv_entrypoint entrypoints[] = { + % for _, _, _, num, h, _ in entrypoints: + { ${offsets[num]}, ${'{:0=#8x}'.format(h)} }, + % endfor + }; + + /* 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 ['radv']: + % for type_, name, args, _, _, guard in entrypoints: + % if guard is not None: + #ifdef ${guard} + % endif + ${type_} ${layer}_${name}(${args}) __attribute__ ((weak)); + % if guard is not None: + #endif // ${guard} + % endif + % endfor + + const struct radv_dispatch_table ${layer}_layer = { + % for _, name, args, _, _, guard in entrypoints: + % if guard is not None: + #ifdef ${guard} + % endif + .${name} = ${layer}_${name}, + % if guard is not None: + #endif // ${guard} + % endif + % endfor + }; + % endfor + + static void * __attribute__ ((noinline)) + radv_resolve_entrypoint(uint32_t index) + { + return radv_layer.entrypoints[index]; + } + + /* Hash table stats: + * size ${hash_size} entries + * collisions entries: + % for i in xrange(10): + * ${i}${'+' if i == 9 else ''} ${collisions[i]} + % endfor + */ + + #define none ${'{:#x}'.format(none)} + static const uint16_t map[] = { + % for i in xrange(0, hash_size, 8): + % for j in xrange(i, i + 8): + ## This is 6 because the 0x is counted in the length + % if mapping[j] & 0xffff == 0xffff: + none, + % else: + ${'{:0=#6x}'.format(mapping[j] & 0xffff)}, + % endif + % endfor + % endfor + }; + + void * + radv_lookup_entrypoint(const char *name) + { + static const uint32_t prime_factor = ${prime_factor}; + static const uint32_t prime_step = ${prime_step}; + const struct radv_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 & ${hash_mask}]; + 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 radv_resolve_entrypoint(i); + }"""), output_encoding='utf-8') + +NONE = 0xffff +HASH_SIZE = 256 +U32_MASK = 2**32 - 1 +HASH_MASK = HASH_SIZE - 1 + +PRIME_FACTOR = 5024183 +PRIME_STEP = 19 + + +def cal_hash(name): + """Calculate the same hash value that Mesa will calculate in C.""" + return functools.reduce( + lambda h, c: (h * PRIME_FACTOR + ord(c)) & U32_MASK, name, 0) -prime_factor = 5024183 -prime_step = 19 -def hash(name): - h = 0; - for c in name: - h = (h * prime_factor + ord(c)) & u32_mask - - return h - -def print_guard_start(guard): - if guard is not None: - print "#ifdef {0}".format(guard) - -def print_guard_end(guard): - if guard is not None: - print "#endif // {0}".format(guard) - -opt_header = False -opt_code = False - -if (sys.argv[1] == "header"): - opt_header = True - sys.argv.pop() -elif (sys.argv[1] == "code"): - opt_code = True - sys.argv.pop() - -# Extract the entry points from the registry def get_entrypoints(doc, entrypoints_to_defines): + """Extract the entry points from the registry.""" entrypoints = [] enabled_commands = set() for feature in doc.findall('./feature'): assert feature.attrib['api'] == 'vulkan' - if float(feature.attrib['number']) > max_api_version: + if float(feature.attrib['number']) > MAX_API_VERSION: continue for command in feature.findall('./require/command'): enabled_commands.add(command.attrib['name']) for extension in doc.findall('.extensions/extension'): - if extension.attrib['name'] not in supported_extensions: + if extension.attrib['name'] not in SUPPORTED_EXTENSIONS: continue assert extension.attrib['supported'] == 'vulkan' @@ -122,219 +277,78 @@ def get_entrypoints(doc, entrypoints_to_defines): continue shortname = fullname[2:] - params = map(lambda p: "".join(p.itertext()), command.findall('./param')) + 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)) + guard = entrypoints_to_defines.get(fullname) + entrypoints.append((type, shortname, params, index, cal_hash(fullname), guard)) index += 1 return entrypoints -# Maps entry points to extension defines + 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 -doc = ET.parse(sys.stdin) -entrypoints = get_entrypoints(doc, get_entrypoints_defines(doc)) + for extension in doc.findall('./extensions/extension[@protect]'): + define = extension.attrib['protect'] -# For outputting entrypoints.h we generate a radv_EntryPoint() prototype -# per entry point. + for entrypoint in extension.findall('./require/command'): + fullname = entrypoint.attrib['name'] + entrypoints_to_defines[fullname] = define -if opt_header: - print "/* This file generated from vk_gen.py, don't edit directly. */\n" + return entrypoints_to_defines - print "struct radv_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" - - for type, name, args, num, h, guard in entrypoints: - print_guard_start(guard) - print "%s radv_%s(%s);" % (type, name, args) - print_guard_end(guard) - exit() - - - -print """/* - * 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 "radv_private.h" - -struct radv_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 radv_entrypoint entrypoints[] = {" -for type, name, args, num, h, guard in entrypoints: - print " { %5d, 0x%08x }," % (offsets[num], h) -print "};\n" - -print """ - -/* 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 [ "radv" ]: - 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 radv_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 """ - -static void * __attribute__ ((noinline)) -radv_resolve_entrypoint(uint32_t index) -{ - return radv_layer.entrypoints[index]; -} -""" - -# 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 for f in xrange(hash_size)] -collisions = [0 for f in xrange(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,", +def gen_code(entrypoints): + """Generate the C code.""" + i = 0 + offsets = [] + for _, name, _, _, _, _ in entrypoints: + offsets.append(i) + i += 2 + len(name) + 1 + + mapping = [NONE] * HASH_SIZE + collisions = [0] * 10 + for _, name, _, num, h, _ in entrypoints: + level = 0 + while mapping[h & HASH_MASK] != NONE: + h = h + PRIME_STEP + level = level + 1 + if level > 9: + collisions[9] += 1 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 """ -void * -radv_lookup_entrypoint(const char *name) -{ - static const uint32_t prime_factor = %d; - static const uint32_t prime_step = %d; - const struct radv_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 radv_resolve_entrypoint(i); -} -""" % (prime_factor, prime_step, hash_mask) + collisions[level] += 1 + mapping[h & HASH_MASK] = num + + return TEMPLATE_C.render(entrypoints=entrypoints, + offsets=offsets, + collisions=collisions, + mapping=mapping, + hash_mask=HASH_MASK, + prime_step=PRIME_STEP, + prime_factor=PRIME_FACTOR, + none=NONE, + hash_size=HASH_SIZE, + filename=os.path.basename(__file__)) + + +def main(): + parser = argparse.ArgumentParser() + parser.add_argument('--outdir', help='Where to write the files.', + required=True) + parser.add_argument('--xml', help='Vulkan API XML file.', required=True) + args = parser.parse_args() + + doc = et.parse(args.xml) + entrypoints = get_entrypoints(doc, get_entrypoints_defines(doc)) + + with open(os.path.join(args.outdir, 'radv_entrypoints.h'), 'wb') as f: + f.write(TEMPLATE_H.render(entrypoints=entrypoints, + filename=os.path.basename(__file__))) + with open(os.path.join(args.outdir, 'radv_entrypoints.c'), 'wb') as f: + f.write(gen_code(entrypoints)) + + +if __name__ == '__main__': + main() |