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zink: add spirv_builder_function_call

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It can be useful not just to create functions, but also being able to
call them. This adds the spirv_builder-helper for this.

Cc: mesa-stable
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18244>
This commit is contained in:
Erik Faye-Lund 2022-08-25 09:42:43 +02:00 • committed by Marge Bot
parent 41dfed6e12
commit 47d67912bd
2 changed files with 27 additions and 0 deletions
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22
src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
View file

@ -404,6 +404,28 @@ spirv_builder_function_end(struct spirv_builder *b)
spirv_buffer_emit_word(&b->instructions, SpvOpFunctionEnd | (1 << 16));
}
SpvId
spirv_builder_function_call(struct spirv_builder *b, SpvId result_type,
SpvId function, const SpvId arguments[],
size_t num_arguments)
{
SpvId result = spirv_builder_new_id(b);
int words = 4 + num_arguments;
spirv_buffer_prepare(&b->instructions, b->mem_ctx, words);
spirv_buffer_emit_word(&b->instructions,
SpvOpFunctionCall | (words << 16));
spirv_buffer_emit_word(&b->instructions, result_type);
spirv_buffer_emit_word(&b->instructions, result);
spirv_buffer_emit_word(&b->instructions, function);
for (int i = 0; i < num_arguments; ++i)
spirv_buffer_emit_word(&b->instructions, arguments[i]);
return result;
}
void
spirv_builder_label(struct spirv_builder *b, SpvId label)
{

5
src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h
View file

@ -413,6 +413,11 @@ spirv_builder_type_function(struct spirv_builder *b, SpvId return_type,
const SpvId parameter_types[],
size_t num_parameter_types);
SpvId
spirv_builder_function_call(struct spirv_builder *b, SpvId result_type,
SpvId function, const SpvId arguments[],
size_t num_arguments);
SpvId
spirv_builder_const_bool(struct spirv_builder *b, bool val);