[Mesa-dev] [PATCH 4/4] radv: generate entrypoints from vk.xml
Lionel Landwerlin
lionel.g.landwerlin at intel.com
Thu Jan 12 21:43:53 UTC 2017
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
---
src/amd/vulkan/Makefile.am | 14 ++---
src/amd/vulkan/radv_entrypoints_gen.py | 105 ++++++++++++++++-----------------
2 files changed, 56 insertions(+), 63 deletions(-)
diff --git a/src/amd/vulkan/Makefile.am b/src/amd/vulkan/Makefile.am
index 6e184c0922..ac9ccaf45d 100644
--- a/src/amd/vulkan/Makefile.am
+++ b/src/amd/vulkan/Makefile.am
@@ -23,10 +23,6 @@ include Makefile.sources
vulkan_includedir = $(includedir)/vulkan
-vulkan_include_HEADERS = \
- $(top_srcdir)/include/vulkan/vk_platform.h \
- $(top_srcdir)/include/vulkan/vulkan.h
-
lib_LTLIBRARIES = libvulkan_radeon.la
# The gallium includes are for the util/u_math.h include from main/macros.h
@@ -111,12 +107,14 @@ VULKAN_LIB_DEPS += \
nodist_EXTRA_libvulkan_radeon_la_SOURCES = dummy.cpp
libvulkan_radeon_la_SOURCES = $(VULKAN_GEM_FILES)
-radv_entrypoints.h : radv_entrypoints_gen.py $(vulkan_include_HEADERS)
- $(AM_V_GEN) cat $(vulkan_include_HEADERS) |\
+vulkan_api_xml = $(top_srcdir)/src/vulkan/registry/vk.xml
+
+radv_entrypoints.h : radv_entrypoints_gen.py $(vulkan_api_xml)
+ $(AM_V_GEN) cat $(vulkan_api_xml) |\
$(PYTHON2) $(srcdir)/radv_entrypoints_gen.py header > $@
-radv_entrypoints.c : radv_entrypoints_gen.py $(vulkan_include_HEADERS)
- $(AM_V_GEN) cat $(vulkan_include_HEADERS) |\
+radv_entrypoints.c : radv_entrypoints_gen.py $(vulkan_api_xml)
+ $(AM_V_GEN) cat $(vulkan_api_xml) |\
$(PYTHON2) $(srcdir)/radv_entrypoints_gen.py code > $@
vk_format_table.c: vk_format_table.py \
diff --git a/src/amd/vulkan/radv_entrypoints_gen.py b/src/amd/vulkan/radv_entrypoints_gen.py
index a6e832a0ab..731ade218f 100644
--- a/src/amd/vulkan/radv_entrypoints_gen.py
+++ b/src/amd/vulkan/radv_entrypoints_gen.py
@@ -23,13 +23,7 @@
#
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 = []
+import xml.etree.ElementTree as ET
# We generate a static hash table for entry point lookup
# (vkGetProcAddress). We use a linear congruential generator for our hash
@@ -51,29 +45,11 @@ def hash(name):
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)
+def print_guard_start(guard):
if guard is not None:
print "#ifdef {0}".format(guard)
-def print_guard_end(name):
- guard = get_platform_guard_macro(name)
+def print_guard_end(guard):
if guard is not None:
print "#endif // {0}".format(guard)
@@ -87,18 +63,38 @@ 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
+# Extract the entry points from the registry
+def get_entrypoints(doc, entrypoints_to_defines):
+ i = 0
+ entrypoints = []
+ commands = doc.findall('./commands/command')
+ for command in commands:
+ type = command.find('./proto/type').text
+ name = command.find('./proto/name').text[2:]
+ params = map(lambda p: "".join(p.itertext()), command.findall('./param'))
+ params = ', '.join(params)
+ if name in entrypoints_to_defines:
+ guard = entrypoints_to_defines[name]
+ else:
+ guard = None
+ entrypoints.append((type, name, params, i, hash(name), guard))
+ i += 1
+ return entrypoints
+
+# Maps entry points to extension defines
+def get_entrypoints_defines(doc):
+ 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:
+ name = entrypoint.get('name')[2:]
+ entrypoints_to_defines[name] = define
+ return entrypoints_to_defines
+
+doc = ET.parse(sys.stdin)
+entrypoints = get_entrypoints(doc, get_entrypoints_defines(doc))
# For outputting entrypoints.h we generate a radv_EntryPoint() prototype
# per entry point.
@@ -111,8 +107,7 @@ if opt_header:
print " void *entrypoints[%d];" % len(entrypoints)
print " struct {"
- for type, name, args, num, h in entrypoints:
- guard = get_platform_guard_macro(name)
+ 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)
@@ -125,10 +120,10 @@ if opt_header:
print " };\n"
print "};\n"
- for type, name, args, num, h in entrypoints:
- print_guard_start(name)
- print "%s radv_%s%s;" % (type, name, args)
- print_guard_end(name)
+ 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()
@@ -174,7 +169,7 @@ static const char strings[] ="""
offsets = []
i = 0;
-for type, name, args, num, h in entrypoints:
+for type, name, args, num, h, guard in entrypoints:
print " \"vk%s\\0\"" % name
offsets.append(i)
i += 2 + len(name) + 1
@@ -183,7 +178,7 @@ print " ;"
# Now generate the table of all entry points
print "\nstatic const struct radv_entrypoint entrypoints[] = {"
-for type, name, args, num, h in entrypoints:
+for type, name, args, num, h, guard in entrypoints:
print " { %5d, 0x%08x }," % (offsets[num], h)
print "};\n"
@@ -196,15 +191,15 @@ print """
"""
for layer in [ "radv" ]:
- 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)
+ 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 in entrypoints:
- print_guard_start(name)
+ for type, name, args, num, h, guard in entrypoints:
+ print_guard_start(guard)
print " .%s = %s_%s," % (name, layer, name)
- print_guard_end(name)
+ print_guard_end(guard)
print "};\n"
print """
@@ -222,7 +217,7 @@ radv_resolve_entrypoint(uint32_t index)
map = [none for f in xrange(hash_size)]
collisions = [0 for f in xrange(10)]
-for type, name, args, num, h in entrypoints:
+for type, name, args, num, h, guard in entrypoints:
level = 0
while map[h & hash_mask] != none:
h = h + prime_step
--
2.11.0
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