vrend: add dbg_bgra debug topic

Signed-off-by: Ryan Neph <ryanneph@google.com>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>

src/vrend_debug.c

@@ -127,6 +127,7 @@ static const struct debug_named_value vrend_debug_options[] = {
    {"tweak", dbg_tweak, "Log tweaks"},
    {"query", dbg_query, "Log queries"},
    {"gles", dbg_gles, "GLES host specific debug"},
+   {"bgra", dbg_bgra, "Debug specific to BGRA emulation on GLES hosts"},
    {"all", dbg_all, "Enable all debugging output"},
    {"guestallow", dbg_allow_guest_override, "Allow the guest to override the debug flags"},
    {"khr", dbg_khr, "Enable debug via KHR_debug extension"},

src/vrend_debug.h

@@ -46,7 +46,8 @@ enum virgl_debug_flags {
    dbg_tweak =  1 << 10,
    dbg_query =  1 << 11,
    dbg_gles =  1 << 12,
-   dbg_all = (1 << 13) - 1,
+   dbg_bgra = 1 << 13,
+   dbg_all = (1 << 14) - 1,
    dbg_allow_guest_override = 1 << 16,
    dbg_feature_use = 1 << 17,
    dbg_khr = 1 << 18,