gallium: added a texture format sanity check/assertion in st_texture_create()

make sure the tex format is actually supported by the driver.

diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c
index c2b0aa8a4aaa0741c27f1c10da9c5af00d36c773..cbc6f849982978f883c01b0513129a6be4fc611f 100644 (file)
--- a/src/mesa/state_tracker/st_texture.c
+++ b/src/mesa/state_tracker/st_texture.c
@@ -86,6 +86,7 @@ st_texture_create(struct st_context *st,
        _mesa_lookup_enum_by_nr(format), last_level);
 
    assert(format);
+   assert(screen->is_format_supported(screen, format, PIPE_TEXTURE));
 
    memset(&pt, 0, sizeof(pt));
    pt.target = target;