Clear all of the buffers before running any tests.

1 files changed, 19 insertions, 0 deletions

diff --git a/src/revenge_test.c b/src/revenge_test.c
index 3def44a..5e42d7d 100644
--- a/src/revenge_test.c
+++ b/src/revenge_test.c
@@ -121,6 +121,23 @@ test_quiescent (void)
     }
 }
 
+static void
+test_clear (void)
+{
+  struct timespec req = { 1, 0 };
+
+  glClearColor (0.0, 0.0, 0.0, 0.0);
+  glClearDepth (1.0);
+  glClearAccum (0.0, 0.0, 0.0, 0.0);
+  glClearStencil (0);
+  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ACCUM_BUFFER_BIT |
+	   GL_STENCIL_BUFFER_BIT);
+
+  glFinish ();
+
+  nanosleep (&req, NULL);
+}
+
 void
 test_prologue (char *buf)
 {
@@ -228,6 +245,8 @@ test (void)
   dump_interface ();
   dump_lspci ();
 
+  test_clear ();
+
   for (i = 0; i < num_tests; i++)
     {
       test = &tests[i];