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vk/entry_points: Add option to generate template entrypoints

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As a C++ alternative to genX macros.

Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21931>
This commit is contained in:
Danylo Piliaiev 2023-03-09 19:56:43 +01:00 • committed by Marge Bot
parent c82ddf4f98
commit 7e833713d8
1 changed files with 75 additions and 1 deletions
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76
src/vulkan/util/vk_entrypoints_gen.py
View file

@ -36,12 +36,25 @@ TEMPLATE_H = Template(COPYRIGHT + """\
#include "vk_dispatch_table.h"
% for i in includes:
#include "${i}"
% endfor
#ifndef ${guard}
#define ${guard}
% if not tmpl_prefix:
#ifdef __cplusplus
extern "C" {
#endif
% endif
/* clang wants function declarations in the header to have weak attribute */
#ifndef _MSC_VER
#define ATTR_WEAK __attribute__ ((weak))
#else
#define ATTR_WEAK
#endif
% for p in instance_prefixes:
extern const struct vk_instance_entrypoint_table ${p}_instance_entrypoints;
@ -55,6 +68,10 @@ extern const struct vk_physical_device_entrypoint_table ${p}_physical_device_ent
extern const struct vk_device_entrypoint_table ${p}_device_entrypoints;
% endfor
% for v in tmpl_variants_sanitized:
extern const struct vk_device_entrypoint_table ${tmpl_prefix}_device_entrypoints_${v};
% endfor
% if gen_proto:
% for e in instance_entrypoints:
% if e.guard is not None:
@ -85,17 +102,28 @@ extern const struct vk_device_entrypoint_table ${p}_device_entrypoints;
#ifdef ${e.guard}
% endif
% for p in device_prefixes:
VKAPI_ATTR ${e.return_type} VKAPI_CALL ${p}_${e.name}(${e.decl_params()});
VKAPI_ATTR ${e.return_type} VKAPI_CALL ${p}_${e.name}(${e.decl_params()}) ATTR_WEAK;
% endfor
% if tmpl_prefix:
template <${tmpl_param}>
VKAPI_ATTR ${e.return_type} VKAPI_CALL ${tmpl_prefix}_${e.name}(${e.decl_params()});
#define ${tmpl_prefix}_${e.name}_GENS(X) \
template VKAPI_ATTR ${e.return_type} VKAPI_CALL ${tmpl_prefix}_${e.name}<X>(${e.decl_params()});
% endif
% if e.guard is not None:
#endif // ${e.guard}
% endif
% endfor
% endif
% if not tmpl_prefix:
#ifdef __cplusplus
}
#endif
% endif
#endif /* ${guard} */
""")
@ -134,8 +162,16 @@ TEMPLATE_C = Template(COPYRIGHT + """
#endif
#else
VKAPI_ATTR ${e.return_type} VKAPI_CALL ${p}_${e.name}(${e.decl_params()}) __attribute__ ((weak));
% if entrypoints == device_entrypoints:
% for v in tmpl_variants:
extern template
VKAPI_ATTR __attribute__ ((weak)) ${e.return_type} VKAPI_CALL ${tmpl_prefix}_${e.name}${v}(${e.decl_params()});
% endfor
% endif
#endif
% endfor
% if e.guard is not None:
#endif // ${e.guard}
% endif
@ -157,6 +193,24 @@ const struct vk_${type}_entrypoint_table ${p}_${type}_entrypoints = {
% endfor
};
% endfor
% if entrypoints == device_entrypoints:
% for v, entrypoint_v in zip(tmpl_variants, tmpl_variants_sanitized):
const struct vk_${type}_entrypoint_table ${tmpl_prefix}_${type}_entrypoints_${entrypoint_v} = {
% for e in entrypoints:
% if e.guard is not None:
#ifdef ${e.guard}
% endif
.${e.name} = ${tmpl_prefix}_${e.name}${v},
% if e.guard is not None:
#elif defined(_MSC_VER)
.${e.name} = (PFN_vkVoidFunction)vk_entrypoint_stub,
#endif // ${e.guard}
% endif
% endfor
};
% endfor
% endif
</%def>
${entrypoint_table('instance', instance_entrypoints, instance_prefixes)}
@ -182,12 +236,27 @@ def main():
parser.add_argument('--device-prefix',
help='Prefix to use for device dispatch tables.',
action='append', default=[], dest='device_prefixes')
parser.add_argument('--include',
help='Includes to add to the H file.',
action='append', default=[], dest='includes')
parser.add_argument('--tmpl-prefix',
help='Prefix to use for templated device dispatch tables.',
dest='tmpl_prefix')
parser.add_argument('--tmpl-param',
help='Param to use for templated device dispatch tables.',
dest='tmpl_param')
parser.add_argument('--tmpl-variants',
help='All template specializations.',
nargs='+', default=[], dest='tmpl_variants')
args = parser.parse_args()
instance_prefixes = args.prefixes
physical_device_prefixes = args.prefixes
device_prefixes = args.prefixes + args.device_prefixes
tmpl_variants_sanitized = [
''.join(filter(str.isalnum, v)).lower() for v in args.tmpl_variants]
entrypoints = get_entrypoints_from_xml(args.xml_files)
device_entrypoints = []
@ -213,6 +282,11 @@ def main():
'physical_device_prefixes': physical_device_prefixes,
'device_entrypoints': device_entrypoints,
'device_prefixes': device_prefixes,
'includes': args.includes,
'tmpl_prefix': args.tmpl_prefix,
'tmpl_param': args.tmpl_param,
'tmpl_variants': args.tmpl_variants,
'tmpl_variants_sanitized': tmpl_variants_sanitized,
'filename': os.path.basename(__file__),
}