[Piglit] [PATCH 2/2] framework: Disable mesa's GL API error logging by default.

Eric Anholt eric at anholt.net
Tue Sep 17 10:54:01 PDT 2013

Otherwise you'd approximately never terminate a run with khronos's
testsuite included in the run.  If you were lucky.
 framework/core.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/framework/core.py b/framework/core.py
index 14d0119..1e3012b 100644
--- a/framework/core.py
+++ b/framework/core.py
@@ -209,6 +209,15 @@ if 'PIGLIT_SOURCE_DIR' not in os.environ:
     os.environ['PIGLIT_SOURCE_DIR'] = p.abspath(p.join(p.dirname(__file__),
+# In debug builds, Mesa will by default log GL API errors to stderr.
+# This is useful for application developers or driver developers
+# trying to debug applications that should execute correctly.  But for
+# piglit we expect to generate errors regularly as part of testing,
+# and for exhaustive error-generation tests (particularly some in
+# khronos's conformance suite), it can end up ooming your system
+# trying to parse the strings.
+if 'MESA_DEBUG' not in os.environ:
+    os.environ['MESA_DEBUG'] = 'silent'
 class TestResult(dict):

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