mesa/st: use fallback path when pipe->clear_texture is not available

Signed-off-by: Italo Nicola <italonicola@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23735>

diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 258ffb77cb46a22a89f951502e5745c0d25f09b8..52c287706c91d56997afaf5ba568538cba22416e 100644 (file)
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -3689,7 +3689,13 @@ st_ClearTexSubImage(struct gl_context *ctx,
 
    assert(level <= pt->last_level);
 
-   pipe->clear_texture(pipe, pt, level, &box, clearValue ? clearValue : zeros);
+   if (pipe->clear_texture) {
+      pipe->clear_texture(pipe, pt, level, &box,
+                          clearValue ? clearValue : zeros);
+   } else {
+      u_default_clear_texture(pipe, pt, level, &box,
+                              clearValue ? clearValue : zeros);
+   }
 }