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-rw-r--r--src/intel/common/gen_debug.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/intel/common/gen_debug.c b/src/intel/common/gen_debug.c
index 858f04db432..96efdab65f7 100644
--- a/src/intel/common/gen_debug.c
+++ b/src/intel/common/gen_debug.c
@@ -33,8 +33,8 @@
#include "common/gen_debug.h"
#include "util/macros.h"
-#include "util/u_atomic.h" /* for p_atomic_cmpxchg */
#include "util/debug.h"
+#include "c11/threads.h"
uint64_t INTEL_DEBUG = 0;
@@ -101,9 +101,17 @@ intel_debug_flag_for_shader_stage(gl_shader_stage stage)
return flags[stage];
}
+static void
+brw_process_intel_debug_variable_once(void)
+{
+ INTEL_DEBUG = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
+}
+
void
brw_process_intel_debug_variable(void)
{
- uint64_t intel_debug = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
- (void) p_atomic_cmpxchg(&INTEL_DEBUG, 0, intel_debug);
+ static once_flag process_intel_debug_variable_flag = ONCE_FLAG_INIT;
+
+ call_once(&process_intel_debug_variable_flag,
+ brw_process_intel_debug_variable_once);
}