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vulkan: Add entrypoint tables and related helpers

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Entrypoint tables are distinct from dispatch tables because they are not
de-duplicated.  These are needed to make codegen easier.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8676>
This commit is contained in:
Jason Ekstrand
2021-01-24 11:07:24 -06:00
committed by Marge Bot
parent eff07c0407
commit 46ecbff39b
1 changed files with 61 additions and 0 deletions
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61
src/vulkan/util/vk_dispatch_table_gen.py
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@@ -91,6 +91,20 @@ struct vk_${type}_dispatch_table {
% endif
% endfor
};
struct vk_${type}_entrypoint_table {
% for e in entrypoints:
% if e.guard is not None:
#ifdef ${e.guard}
% endif
PFN_vk${e.name} ${e.name};
% if e.guard is not None:
#else
PFN_vkVoidFunction ${e.name};
# endif
% endif
% endfor
};
</%def>
${dispatch_table('instance', instance_entrypoints)}
@@ -110,6 +124,21 @@ vk_device_dispatch_table_load(struct vk_device_dispatch_table *table,
PFN_vkGetDeviceProcAddr gpa,
VkDevice device);
void vk_instance_dispatch_table_from_entrypoints(
struct vk_instance_dispatch_table *dispatch_table,
const struct vk_instance_entrypoint_table *entrypoint_table,
bool overwrite);
void vk_physical_device_dispatch_table_from_entrypoints(
struct vk_physical_device_dispatch_table *dispatch_table,
const struct vk_physical_device_entrypoint_table *entrypoint_table,
bool overwrite);
void vk_device_dispatch_table_from_entrypoints(
struct vk_device_dispatch_table *dispatch_table,
const struct vk_device_entrypoint_table *entrypoint_table,
bool overwrite);
PFN_vkVoidFunction
vk_instance_dispatch_table_get(const struct vk_instance_dispatch_table *table,
const char *name);
@@ -395,6 +424,38 @@ vk_device_entrypoint_is_enabled(int index, uint32_t core_version,
}
}
<%def name="dispatch_table_from_entrypoints(type)">
void vk_${type}_dispatch_table_from_entrypoints(
struct vk_${type}_dispatch_table *dispatch_table,
const struct vk_${type}_entrypoint_table *entrypoint_table,
bool overwrite)
{
PFN_vkVoidFunction *disp = (PFN_vkVoidFunction *)dispatch_table;
PFN_vkVoidFunction *entry = (PFN_vkVoidFunction *)entrypoint_table;
if (overwrite) {
memset(dispatch_table, 0, sizeof(*dispatch_table));
for (unsigned i = 0; i < ARRAY_SIZE(${type}_compaction_table); i++) {
if (entry[i] == NULL)
continue;
unsigned disp_index = ${type}_compaction_table[i];
assert(disp[disp_index] == NULL);
disp[disp_index] = entry[i];
}
} else {
for (unsigned i = 0; i < ARRAY_SIZE(${type}_compaction_table); i++) {
unsigned disp_index = ${type}_compaction_table[i];
if (disp[disp_index] == NULL)
disp[disp_index] = entry[i];
}
}
}
</%def>
${dispatch_table_from_entrypoints('instance')}
${dispatch_table_from_entrypoints('physical_device')}
${dispatch_table_from_entrypoints('device')}
<%def name="lookup_funcs(type)">
static PFN_vkVoidFunction
vk_${type}_dispatch_table_get_for_entry_index(