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zink: add extension loading framework for spirv builder

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Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5969>
This commit is contained in:
Mike Blumenkrantz 2020-07-17 09:50:35 -04:00 • committed by Marge Bot
parent a91011c9ec
commit f3509c0766
2 changed files with 16 additions and 0 deletions
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12
src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
View file

@ -96,6 +96,16 @@ spirv_builder_emit_cap(struct spirv_builder *b, SpvCapability cap)
spirv_buffer_emit_word(&b->capabilities, cap);
}
void
spirv_builder_emit_extension(struct spirv_builder *b, const char *name)
{
size_t pos = b->extensions.num_words;
spirv_buffer_prepare(&b->extensions, b->mem_ctx, 1);
spirv_buffer_emit_word(&b->extensions, SpvOpExtension);
int len = spirv_buffer_emit_string(&b->extensions, b->mem_ctx, name);
b->extensions.words[pos] |= (1 + len) << 16;
}
void
spirv_builder_emit_source(struct spirv_builder *b, SpvSourceLanguage lang,
uint32_t version)
@ -1106,6 +1116,7 @@ spirv_builder_get_num_words(struct spirv_builder *b)
const size_t header_size = 5;
return header_size +
b->capabilities.num_words +
b->extensions.num_words +
b->imports.num_words +
b->memory_model.num_words +
b->entry_points.num_words +
@ -1131,6 +1142,7 @@ spirv_builder_get_words(struct spirv_builder *b, uint32_t *words,
const struct spirv_buffer *buffers[] = {
&b->capabilities,
&b->extensions,
&b->imports,
&b->memory_model,
&b->entry_points,

4
src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h
View file

@ -42,6 +42,7 @@ struct spirv_builder {
void *mem_ctx;
struct spirv_buffer capabilities;
struct spirv_buffer extensions;
struct spirv_buffer imports;
struct spirv_buffer memory_model;
struct spirv_buffer entry_points;
@ -66,6 +67,9 @@ spirv_builder_new_id(struct spirv_builder *b)
void
spirv_builder_emit_cap(struct spirv_builder *b, SpvCapability cap);
void
spirv_builder_emit_extension(struct spirv_builder *b, const char *ext);
void
spirv_builder_emit_source(struct spirv_builder *b, SpvSourceLanguage lang,
uint32_t version);