vo_opengl: EGL: dump some version info

1 files changed, 8 insertions, 0 deletions

diff --git a/video/out/opengl/egl_helpers.c b/video/out/opengl/egl_helpers.c
index a5ffd5cf95..598e3512ae 100644
--- a/video/out/opengl/egl_helpers.c
+++ b/video/out/opengl/egl_helpers.c
@@ -125,6 +125,8 @@ static bool create_context(EGLDisplay display, struct mp_log *log, int msgl,
     return true;
 }
 
+#define STR_OR_ERR(s) ((s) ? (s) : "(error)")
+
 // Create a context and return it and the config it was created with. If it
 // returns false, the out_* pointers are set to NULL.
 // vo_flags is a combination of VOFLAG_* values.
@@ -134,6 +136,12 @@ bool mpegl_create_context(EGLDisplay display, struct mp_log *log, int vo_flags,
     *out_context = NULL;
     *out_config = NULL;
 
+    const char *version = eglQueryString(display, EGL_VERSION);
+    const char *vendor = eglQueryString(display, EGL_VENDOR);
+    const char *apis = eglQueryString(display, EGL_CLIENT_APIS);
+    mp_verbose(log, "EGL_VERSION=%s\nEGL_VENDOR=%s\nEGL_CLIENT_APIS=%s\n",
+               STR_OR_ERR(version), STR_OR_ERR(vendor), STR_OR_ERR(apis));
+
     int clean_flags = vo_flags & ~(unsigned)(VOFLAG_GLES | VOFLAG_NO_GLES);
     int msgl = vo_flags & VOFLAG_PROBING ? MSGL_V : MSGL_FATAL;