diff options
Diffstat (limited to 'source/blender/imbuf/intern/allocimbuf.c')
| -rw-r--r-- | source/blender/imbuf/intern/allocimbuf.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/source/blender/imbuf/intern/allocimbuf.c b/source/blender/imbuf/intern/allocimbuf.c index d7ca381bae6..d0e81f2f383 100644 --- a/source/blender/imbuf/intern/allocimbuf.c +++ b/source/blender/imbuf/intern/allocimbuf.c @@ -49,6 +49,19 @@ #include "MEM_CacheLimiterC-Api.h" #include "BLI_utildefines.h" +#include "BLI_threads.h" + +static SpinLock refcounter_spin; + +void imb_refcounter_lock_init(void) +{ + BLI_spin_init(&refcounter_spin); +} + +void imb_refcounter_lock_exit(void) +{ + BLI_spin_end(&refcounter_spin); +} void imb_freemipmapImBuf(ImBuf *ibuf) { @@ -154,10 +167,18 @@ void IMB_freezbuffloatImBuf(ImBuf *ibuf) void IMB_freeImBuf(ImBuf *ibuf) { if (ibuf) { + bool needs_free = false; + + BLI_spin_lock(&refcounter_spin); if (ibuf->refcounter > 0) { ibuf->refcounter--; } else { + needs_free = true; + } + BLI_spin_unlock(&refcounter_spin); + + if (needs_free) { imb_freerectImBuf(ibuf); imb_freerectfloatImBuf(ibuf); imb_freetilesImBuf(ibuf); @@ -177,7 +198,9 @@ void IMB_freeImBuf(ImBuf *ibuf) void IMB_refImBuf(ImBuf *ibuf) { + BLI_spin_lock(&refcounter_spin); ibuf->refcounter++; + BLI_spin_unlock(&refcounter_spin); } ImBuf *IMB_makeSingleUser(ImBuf *ibuf) |