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tu: Rewrite cache UUID based on radv 

Switch to using sha1 so that we can add as many other flags as we need
to easily.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16147>
This commit is contained in:
Connor Abbott 2022-05-09 15:02:17 +02:00 committed by Marge Bot
parent 410d59943d
commit d023ae4686
1 changed files with 10 additions and 7 deletions
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17
src/freedreno/vulkan/tu_device.c
View File

@ -60,16 +60,19 @@
static int
tu_device_get_cache_uuid(uint16_t family, void *uuid)
{
uint32_t mesa_timestamp;
uint16_t f = family;
struct mesa_sha1 ctx;
unsigned char sha1[20];
memset(uuid, 0, VK_UUID_SIZE);
if (!disk_cache_get_function_timestamp(tu_device_get_cache_uuid,
&mesa_timestamp))
_mesa_sha1_init(&ctx);
if (!disk_cache_get_function_identifier(tu_device_get_cache_uuid, &ctx))
return -1;
memcpy(uuid, &mesa_timestamp, 4);
memcpy((char *) uuid + 4, &f, 2);
snprintf((char *) uuid + 6, VK_UUID_SIZE - 10, "tu");
_mesa_sha1_update(&ctx, &family, sizeof(family));
_mesa_sha1_final(&ctx, sha1);
memcpy(uuid, sha1, VK_UUID_SIZE);
return 0;
}