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authorChia-I Wu <olvaffe@gmail.com>2010-01-02 21:56:13 +0800
committerChia-I Wu <olvaffe@gmail.com>2010-01-12 10:55:35 +0800
commit3bcb08f6c472b3a7cd752c740b3bbe72c90520fd (patch)
treea89c6ebdfb27a62917da7274900c4dc41b0f32d7 /progs/egl/xegl_tri.c
parent033bd95802448bc82fd6f2ebc722ff1306b578ec (diff)
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progs: Check the number of configs returned by eglChooseConfig.
A successful eglChooseConfig call does not imply there are valid configs. Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Diffstat (limited to 'progs/egl/xegl_tri.c')
-rw-r--r--progs/egl/xegl_tri.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/progs/egl/xegl_tri.c b/progs/egl/xegl_tri.c
index 8c4d7f9..1f1a005 100644
--- a/progs/egl/xegl_tri.c
+++ b/progs/egl/xegl_tri.c
@@ -139,7 +139,8 @@ make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
scrnum = DefaultScreen( x_dpy );
root = RootWindow( x_dpy, scrnum );
- if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+ if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) ||
+ !num_configs) {
printf("Error: couldn't get an EGL visual config\n");
exit(1);
}