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-rw-r--r--progs/trivial/tri-viewport.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/progs/trivial/tri-viewport.c b/progs/trivial/tri-viewport.c
index 3205b9ee9c3..8e5f155c7dd 100644
--- a/progs/trivial/tri-viewport.c
+++ b/progs/trivial/tri-viewport.c
@@ -35,6 +35,7 @@ static void Init(void)
fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ fflush(stderr);
glClearColor(0.3, 0.1, 0.3, 0.0);
}