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iris: Allow HiZ on blit sources 

Ever since 95cc5438eb, BLORP has been able to read from HiZ-compressed
depth buffers as long as the sampler supports HiZ.  This just makes iris
stop doing the unneeded resolve.

Closes: #2583
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3717>
This commit is contained in:
Jason Ekstrand 2020-03-02 13:54:22 -06:00 committed by Marge Bot
parent 9f5f4269a6
commit 4531f0ffce
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/iris/iris_blit.c
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@ -355,7 +355,7 @@ iris_blit(struct pipe_context *ctx, const struct pipe_blit_info *info)
iris_resource_texture_aux_usage(ice, src_res, src_fmt.fmt);
if (iris_resource_level_has_hiz(src_res, info->src.level))
src_aux_usage = ISL_AUX_USAGE_NONE;
assert(src_res->surf.format == src_fmt.fmt);
bool src_clear_supported = isl_aux_usage_has_fast_clears(src_aux_usage) &&
src_res->surf.format == src_fmt.fmt;