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util: Add util_format_is_int64

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util_format_is_int64 returns true for pure 64-bit integer (sint64 and uint64) formats.

Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33628>
This commit is contained in:
Konstantin Seurer
2025-05-07 20:33:45 +02:00
committed by Marge Bot
parent 4b76d04f7f
commit d49de8f10a
2 changed files with 9 additions and 7 deletions
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9
src/gallium/drivers/llvmpipe/lp_screen.c
View File

@@ -635,13 +635,8 @@ llvmpipe_is_format_supported(struct pipe_screen *_screen,
/* Disable 64-bit integer formats for RT/samplers.
* VK CTS crashes with these and they don't make much sense.
*/
int c = util_format_get_first_non_void_channel(format_desc->format);
if (c >= 0) {
if (format_desc->channel[c].pure_integer &&
format_desc->channel[c].size == 64)
return false;
}
if (util_format_is_int64(format_desc))
return false;
}
if (!(bind & PIPE_BIND_VERTEX_BUFFER) &&

7
src/util/format/u_format.h
View File

@@ -1399,6 +1399,13 @@ util_format_is_unorm8(const struct util_format_description *desc)
return desc->is_unorm && desc->is_array && desc->channel[c].size == 8;
}
static inline bool
util_format_is_int64(const struct util_format_description *desc)
{
int c = util_format_get_first_non_void_channel(desc->format);
return c >= 0 && desc->channel[c].pure_integer && desc->channel[c].size == 64;
}
static inline void
util_format_unpack_z_float(enum pipe_format format, float *dst,
const void *src, unsigned w)