target-helpers: helper for injecting common debug layers

Add a helper gallium_wrap_screen() for injecting the commonly
used extra layers into a gallium stack.  Currently that's just the
trace module and identity layer, but there could be more in the
future, eg. a validation layer.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/target-helpers/wrap_screen.h b/src/gallium/auxiliary/target-helpers/wrap_screen.h
new file mode 100644
index 0000000000..7e76beb7c5
--- /dev/null
+++ b/src/gallium/auxiliary/target-helpers/wrap_screen.h
@@ -0,0 +1,16 @@
+#ifndef WRAP_SCREEN_HELPER_H
+#define WRAP_SCREEN_HELPER_H
+
+#include "pipe/p_compiler.h"
+
+struct pipe_screen;
+
+/* Centralized code to inject common wrapping layers.  Other layers
+ * can be introduced by specific targets, but these are the generally
+ * helpful ones we probably want everywhere.
+ */
+struct pipe_screen *
+gallium_wrap_screen( struct pipe_screen *screen );
+
+
+#endif