radv: add initial non-conformant radv vulkan driver
This squashes all the radv development up until now into one for merging. History can be found: https://github.com/airlied/mesa/tree/semi-interesting This requires llvm 3.9 and is in no way considered a conformant vulkan implementation. It can run a number of vulkan applications, and supports all GPUs using the amdgpu kernel driver. Thanks to Intel for providing anv and spirv->nir, and Emil Velikov for reviewing build integration. Parts of this are: Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net> Authors: Bas Nieuwenhuizen and Dave Airlie Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
351
src/amd/vulkan/radv_entrypoints_gen.py
Normal file
351
src/amd/vulkan/radv_entrypoints_gen.py
Normal file
@@ -0,0 +1,351 @@
|
||||
# coding=utf-8
|
||||
#
|
||||
# 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.
|
||||
#
|
||||
|
||||
import fileinput, re, sys
|
||||
|
||||
# Each function typedef in the vulkan.h header is all on one line and matches
|
||||
# this regepx. We hope that won't change.
|
||||
|
||||
p = re.compile('typedef ([^ ]*) *\((?:VKAPI_PTR)? *\*PFN_vk([^(]*)\)(.*);')
|
||||
|
||||
entrypoints = []
|
||||
|
||||
# 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
|
||||
|
||||
def hash(name):
|
||||
h = 0;
|
||||
for c in name:
|
||||
h = (h * prime_factor + ord(c)) & u32_mask
|
||||
|
||||
return h
|
||||
|
||||
def get_platform_guard_macro(name):
|
||||
if "Xlib" in name:
|
||||
return "VK_USE_PLATFORM_XLIB_KHR"
|
||||
elif "Xcb" in name:
|
||||
return "VK_USE_PLATFORM_XCB_KHR"
|
||||
elif "Wayland" in name:
|
||||
return "VK_USE_PLATFORM_WAYLAND_KHR"
|
||||
elif "Mir" in name:
|
||||
return "VK_USE_PLATFORM_MIR_KHR"
|
||||
elif "Android" in name:
|
||||
return "VK_USE_PLATFORM_ANDROID_KHR"
|
||||
elif "Win32" in name:
|
||||
return "VK_USE_PLATFORM_WIN32_KHR"
|
||||
else:
|
||||
return None
|
||||
|
||||
def print_guard_start(name):
|
||||
guard = get_platform_guard_macro(name)
|
||||
if guard is not None:
|
||||
print "#ifdef {0}".format(guard)
|
||||
|
||||
def print_guard_end(name):
|
||||
guard = get_platform_guard_macro(name)
|
||||
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()
|
||||
|
||||
# Parse the entry points in the header
|
||||
|
||||
i = 0
|
||||
for line in fileinput.input():
|
||||
m = p.match(line)
|
||||
if (m):
|
||||
if m.group(2) == 'VoidFunction':
|
||||
continue
|
||||
fullname = "vk" + m.group(2)
|
||||
h = hash(fullname)
|
||||
entrypoints.append((m.group(1), m.group(2), m.group(3), i, h))
|
||||
i = i + 1
|
||||
|
||||
# For outputting entrypoints.h we generate a radv_EntryPoint() prototype
|
||||
# per entry point.
|
||||
|
||||
if opt_header:
|
||||
print "/* This file generated from vk_gen.py, don't edit directly. */\n"
|
||||
|
||||
print "struct radv_dispatch_table {"
|
||||
print " union {"
|
||||
print " void *entrypoints[%d];" % len(entrypoints)
|
||||
print " struct {"
|
||||
|
||||
for type, name, args, num, h in entrypoints:
|
||||
guard = get_platform_guard_macro(name)
|
||||
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 radv_set_dispatch_devinfo(const struct radv_device_info *info);\n"
|
||||
|
||||
for type, name, args, num, h in entrypoints:
|
||||
print_guard_start(name)
|
||||
print "%s radv_%s%s;" % (type, name, args)
|
||||
print "%s vi_%s%s;" % (type, name, args)
|
||||
print "%s cik_%s%s;" % (type, name, args)
|
||||
print "%s si_%s%s;" % (type, name, args)
|
||||
print "%s radv_validate_%s%s;" % (type, name, args)
|
||||
print_guard_end(name)
|
||||
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 in entrypoints:
|
||||
print " \"vk%s\\0\"" % name
|
||||
offsets.append(i)
|
||||
i += 2 + len(name) + 1
|
||||
print " ;"
|
||||
|
||||
# Now generate the table of all entry points and their validation functions
|
||||
|
||||
print "\nstatic const struct radv_entrypoint entrypoints[] = {"
|
||||
for type, name, args, num, h 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", "validate", "si", "cik", "vi" ]:
|
||||
for type, name, args, num, h in entrypoints:
|
||||
print_guard_start(name)
|
||||
print "%s %s_%s%s __attribute__ ((weak));" % (type, layer, name, args)
|
||||
print_guard_end(name)
|
||||
print "\nconst struct radv_dispatch_table %s_layer = {" % layer
|
||||
for type, name, args, num, h in entrypoints:
|
||||
print_guard_start(name)
|
||||
print " .%s = %s_%s," % (name, layer, name)
|
||||
print_guard_end(name)
|
||||
print "};\n"
|
||||
|
||||
print """
|
||||
#ifdef DEBUG
|
||||
static bool enable_validate = true;
|
||||
#else
|
||||
static bool enable_validate = false;
|
||||
#endif
|
||||
|
||||
/* We can't use symbols that need resolving (like, oh, getenv) in the resolve
|
||||
* function. This means that we have to determine whether or not to use the
|
||||
* validation layer sometime before that. The constructor function attribute asks
|
||||
* the dynamic linker to invoke determine_validate() at dlopen() time which
|
||||
* works.
|
||||
*/
|
||||
static void __attribute__ ((constructor))
|
||||
determine_validate(void)
|
||||
{
|
||||
const char *s = getenv("ANV_VALIDATE");
|
||||
|
||||
if (s)
|
||||
enable_validate = atoi(s);
|
||||
}
|
||||
|
||||
static const struct radv_device_info *dispatch_devinfo;
|
||||
|
||||
void
|
||||
radv_set_dispatch_devinfo(const struct radv_device_info *devinfo)
|
||||
{
|
||||
dispatch_devinfo = devinfo;
|
||||
}
|
||||
|
||||
void * __attribute__ ((noinline))
|
||||
radv_resolve_entrypoint(uint32_t index)
|
||||
{
|
||||
if (enable_validate && validate_layer.entrypoints[index])
|
||||
return validate_layer.entrypoints[index];
|
||||
|
||||
if (dispatch_devinfo == NULL) {
|
||||
return radv_layer.entrypoints[index];
|
||||
}
|
||||
|
||||
switch (dispatch_devinfo->chip_class) {
|
||||
case VI:
|
||||
if (vi_layer.entrypoints[index])
|
||||
return vi_layer.entrypoints[index];
|
||||
/* fall through */
|
||||
case CIK:
|
||||
if (cik_layer.entrypoints[index])
|
||||
return cik_layer.entrypoints[index];
|
||||
/* fall through */
|
||||
case SI:
|
||||
if (si_layer.entrypoints[index])
|
||||
return si_layer.entrypoints[index];
|
||||
/* fall through */
|
||||
case 0:
|
||||
return radv_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 for f in xrange(hash_size)]
|
||||
collisions = [0 for f in xrange(10)]
|
||||
for type, name, args, num, h 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 """
|
||||
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)
|
||||
Reference in New Issue
Block a user