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panfrost: Fix UNORM 16 rendering 

fp16 loses precision.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9164>
This commit is contained in:
Alyssa Rosenzweig 2021-02-19 13:38:57 -05:00 committed by Marge Bot
parent 1b239a3786
commit 56047fb64d
1 changed files with 2 additions and 1 deletions
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3
src/panfrost/util/pan_lower_framebuffer.c
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@ -66,11 +66,12 @@ pan_unpacked_type_for_format(const struct util_format_description *desc)
unreachable("Void format not renderable");
bool large = (desc->channel[c].size > 16);
bool large_norm = (desc->channel[c].size > 8);
bool bit8 = (desc->channel[c].size == 8);
assert(desc->channel[c].size <= 32);
if (desc->channel[c].normalized)
return large ? nir_type_float32 : nir_type_float16;
return large_norm ? nir_type_float32 : nir_type_float16;
switch (desc->channel[c].type) {
case UTIL_FORMAT_TYPE_UNSIGNED: