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dri: cast constant to uint for bitshift

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Define 1 as uint for shifting bits is well-defined.

This has been detected by the Undefined Behaviour Sanitizer (UBSan)

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29772>
This commit is contained in:
Juan A. Suarez Romero 2024-06-18 17:18:07 +02:00 • committed by Marge Bot
parent d9eacb05c9
commit d854dd32fb
1 changed files with 1 additions and 1 deletions
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2
src/gallium/frontends/dri/dri_screen.c
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@ -172,7 +172,7 @@ driCreateConfigs(enum pipe_format format,
if (is_float || color_bits[i] == 0)
masks[i] = 0;
else
masks[i] = ((1 << color_bits[i]) - 1) << shifts[i];
masks[i] = ((1u << color_bits[i]) - 1) << shifts[i];
}
num_modes = num_zs_formats * num_db_modes * num_accum_bits * num_msaa_modes;