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iris: Drop redundant iris_address::write flag.

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The write flag is redundant since it can be inferred easily from the
iris_address::access domain.  This allows the iris_address struct to
be laid out more efficiently in memory, leading to a measurable
improvement in several Piglit Drawoverhead test-cases.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3875>
This commit is contained in:
Francisco Jerez
2020-05-27 13:42:22 -07:00
committed by Marge Bot
parent eb5d1c2722
commit ae88e79f69
3 changed files with 4 additions and 5 deletions
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5
src/gallium/drivers/iris/iris_genx_macros.h
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@@ -52,7 +52,8 @@ __gen_combine_address(struct iris_batch *batch, void *location,
uint64_t result = addr.offset + delta;
if (addr.bo) {
iris_use_pinned_bo(batch, addr.bo, addr.write, addr.access);
iris_use_pinned_bo(batch, addr.bo,
!iris_domain_is_read_only(addr.access), addr.access);
/* Assume this is a general address, not relative to a base. */
result += addr.bo->gtt_offset;
}
@@ -129,5 +130,5 @@ UNUSED static struct iris_address
rw_bo(struct iris_bo *bo, uint64_t offset, enum iris_domain access)
{
return (struct iris_address) { .bo = bo, .offset = offset,
.write = true, .access = access };
.access = access };
}