iris: ref/unref the GLSL type singleton in screen_create/destroy

Otherwise, we can run into trouble if the driver is dynamically loaded
via pipe-loader.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6405>

diff --git a/src/gallium/drivers/iris/iris_screen.c b/src/gallium/drivers/iris/iris_screen.c
index 754da0704869db4ee0aa0b40893f94ae2ee821e8..3b391f1db5d309177dd03ee9994347c8289d6c22 100644 (file)
--- a/src/gallium/drivers/iris/iris_screen.c
+++ b/src/gallium/drivers/iris/iris_screen.c
@@ -51,6 +51,7 @@
 #include "iris_pipe.h"
 #include "iris_resource.h"
 #include "iris_screen.h"
+#include "compiler/glsl_types.h"
 #include "intel/compiler/brw_compiler.h"
 #include "intel/common/gen_gem.h"
 #include "intel/common/gen_l3_config.h"
@@ -521,6 +522,7 @@ iris_get_timestamp(struct pipe_screen *pscreen)
 void
 iris_screen_destroy(struct iris_screen *screen)
 {
+   glsl_type_singleton_decref();
    iris_bo_unreference(screen->workaround_bo);
    u_transfer_helper_destroy(screen->base.transfer_helper);
    iris_bufmgr_unref(screen->bufmgr);
@@ -775,5 +777,7 @@ iris_screen_create(int fd, const struct pipe_screen_config *config)
    pscreen->get_driver_query_group_info = iris_get_monitor_group_info;
    pscreen->get_driver_query_info = iris_get_monitor_info;
 
+   glsl_type_singleton_init_or_ref();
+
    return pscreen;
 }