nouveau: Unreference state/buffer objects on context/screen destruction.

- unreference state objects so that buffer objects are unreferenced and
eventually destroyed
- free channel at screen's destruction

Based on Krzysztof Smiechowicz's patch.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gallium/drivers/nv30/nv30_fragprog.c b/src/gallium/drivers/nv30/nv30_fragprog.c
index dc4e583ce9d..d1ff18e2dfb 100644
--- a/src/gallium/drivers/nv30/nv30_fragprog.c
+++ b/src/gallium/drivers/nv30/nv30_fragprog.c
@@ -886,6 +886,12 @@ void
 nv30_fragprog_destroy(struct nv30_context *nv30,
 		      struct nv30_fragment_program *fp)
 {
+	if (fp->buffer)
+		pipe_buffer_reference(&fp->buffer, NULL);
+
+	if (fp->so)
+		so_ref(NULL, &fp->so);
+
 	if (fp->insn_len)
 		FREE(fp->insn);
 }