vrend_debug: add debug GLES option

Reviewed-by: David Riley <davidriley@chromium.org>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>

src/vrend_debug.c

@@ -120,6 +120,7 @@ static const struct debug_named_value vrend_debug_options[] = {
    {"caller", dbg_caller, "Log who is creating the context"},
    {"tweak", dbg_tweak, "Log tweaks"},
    {"query", dbg_query, "Log queries"},
+   {"gles", dbg_gles, "GLES host specific debug"},
    {"all", dbg_all, "Enable all debugging output"},
    {"guestallow", dbg_allow_guest_override, "Allow the guest to override the debug flags"},
    DEBUG_NAMED_VALUE_END

src/vrend_debug.h

@@ -45,7 +45,8 @@ enum virgl_debug_flags {
    dbg_caller = 1 << 9,
    dbg_tweak =  1 << 10,
    dbg_query =  1 << 11,
-   dbg_all = (1 << 12) - 1,
+   dbg_gles =  1 << 12,
+   dbg_all = (1 << 13) - 1,
    dbg_allow_guest_override = 1 << 16,
    dbg_feature_use = 1 << 17,
 };