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asahi: Allow large uniform records

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Now that we've fixed the binding XML, it's obvious how to bind lots of
uniforms in a single record. This is simpler and more efficient.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17198>
This commit is contained in:
Alyssa Rosenzweig 2022-05-22 22:41:14 -04:00
parent c045d3761c
commit 6d6dd44f82
1 changed files with 6 additions and 20 deletions
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26
src/gallium/drivers/asahi/agx_state.c
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@ -1086,30 +1086,16 @@ agx_build_pipeline(struct agx_context *ctx, struct agx_compiled_shader *cs, enum
uint8_t *record = ptr.cpu; uint8_t *record = ptr.cpu;
/* There is a maximum number of half words we may push with a single
* BIND_UNIFORM record, so split up the range to fit. We only need to call
* agx_push_location once, however, which reduces the cost. */
unsigned unif_records = 0;
for (unsigned i = 0; i < cs->info.push_ranges; ++i) { for (unsigned i = 0; i < cs->info.push_ranges; ++i) {
struct agx_push push = cs->info.push[i]; struct agx_push push = cs->info.push[i];
uint64_t buffer = agx_push_location(ctx, push, stage);
unsigned halfs_per_record = 14;
unsigned records = DIV_ROUND_UP(push.length, halfs_per_record);
/* Ensure we don't overflow */ agx_pack(record, BIND_UNIFORM, cfg) {
unif_records += records; cfg.start_halfs = push.base;
assert(unif_records < 16); cfg.size_halfs = push.length;
cfg.buffer = agx_push_location(ctx, push, stage);
for (unsigned j = 0; j < records; ++j) {
agx_pack(record, BIND_UNIFORM, cfg) {
cfg.start_halfs = push.base + (j * halfs_per_record);
cfg.size_halfs = MIN2(push.length - (j * halfs_per_record), halfs_per_record);
cfg.buffer = buffer + (j * halfs_per_record * 2);
}
record += AGX_BIND_UNIFORM_LENGTH;
} }
record += AGX_BIND_UNIFORM_LENGTH;
} }
for (unsigned i = 0; i < ctx->stage[stage].texture_count; ++i) { for (unsigned i = 0; i < ctx->stage[stage].texture_count; ++i) {