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authorErik Faye-Lund <[email protected]>2020-07-10 13:12:40 +0200
committerMarge Bot <[email protected]>2020-07-16 10:49:22 +0000
commit3af0711c402033a8ad7649dc0509e4f7ddc1b640 (patch)
treeb70c4f655a80dd5b3dd9630c6a3b11a9d5aec36a /src/mesa/main
parenta0f84396913d478c926626593514de1ab6ebb439 (diff)
mesa/main: use p_atomic_inc_return instead of locking
There's no good reason for using a mutex here, as we have a simpler primitive; atomic integers. So let's use that instead, to simplify things a bit. Reviewed-by: Alyssa Rosenzweig <[email protected]> Reviewed-by: Eric Engestrom <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5901>
Diffstat (limited to 'src/mesa/main')
-rw-r--r--src/mesa/main/debug_output.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/src/mesa/main/debug_output.c b/src/mesa/main/debug_output.c
index 6d4c8e72ee3..6527aea5771 100644
--- a/src/mesa/main/debug_output.c
+++ b/src/mesa/main/debug_output.c
@@ -37,8 +37,7 @@
#include "util/u_memory.h"
-static simple_mtx_t DynamicIDMutex = _SIMPLE_MTX_INITIALIZER_NP;
-static GLuint NextDynamicID = 1;
+static GLuint PrevDynamicID = 0;
/**
@@ -194,10 +193,7 @@ void
_mesa_debug_get_id(GLuint *id)
{
if (!(*id)) {
- simple_mtx_lock(&DynamicIDMutex);
- if (!(*id))
- *id = NextDynamicID++;
- simple_mtx_unlock(&DynamicIDMutex);
+ *id = p_atomic_inc_return(&PrevDynamicID);
}
}