etnaviv: split adding resource to context flush set into own function

It is needed in a few more places, so split it into a separate
function to make it reusable.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20012>

src/gallium/drivers/etnaviv/etnaviv_context.c

@@ -52,6 +52,7 @@
 #include "util/u_blitter.h"
 #include "util/u_draw.h"
 #include "util/u_helpers.h"
+#include "util/u_inlines.h"
 #include "util/u_memory.h"
 #include "util/u_prim.h"
 #include "util/u_upload_mgr.h"
@@ -546,6 +547,18 @@ etna_context_force_flush(struct etna_cmd_stream *stream, void *priv)
 
 }
 
+void
+etna_context_add_flush_resource(struct etna_context *ctx,
+                                struct pipe_resource *rsc)
+{
+   bool found;
+
+   _mesa_set_search_or_add(ctx->flush_resources, rsc, &found);
+
+   if (!found)
+      pipe_reference(NULL, &rsc->reference);
+}
+
 static void
 etna_set_debug_callback(struct pipe_context *pctx,
                         const struct util_debug_callback *cb)

src/gallium/drivers/etnaviv/etnaviv_context.h

@@ -216,4 +216,8 @@ etna_transfer(struct pipe_transfer *p)
 struct pipe_context *
 etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
 
+void
+etna_context_add_flush_resource(struct etna_context *ctx,
+                                struct pipe_resource *rsc);
+
 #endif

src/gallium/drivers/etnaviv/etnaviv_state.c

@@ -803,14 +803,8 @@ etna_record_flush_resources(struct etna_context *ctx)
    if (fb->nr_cbufs > 0) {
       struct etna_surface *surf = etna_surface(fb->cbufs[0]);
 
-      if (!etna_resource(surf->prsc)->explicit_flush) {
-         bool found;
-
-         _mesa_set_search_or_add(ctx->flush_resources, surf->prsc, &found);
-
-         if (!found)
-            pipe_reference(NULL, &surf->prsc->reference);
-      }
+      if (!etna_resource(surf->prsc)->explicit_flush)
+         etna_context_add_flush_resource(ctx, surf->prsc);
    }
 
    return true;