iris: Tag each submitted batch with a syncobj

(adjusted by Ken to make the signalling sync object immediately on
batch reset, rather than batch finish time.  this will work better
with deferred flushes...)

1 files changed, 53 insertions, 0 deletions

diff --git a/src/gallium/drivers/iris/iris_fence.h b/src/gallium/drivers/iris/iris_fence.h
new file mode 100644
index 00000000000..0101ce00883
--- /dev/null
+++ b/src/gallium/drivers/iris/iris_fence.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright © 2018 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef IRIS_FENCE_H
+#define IRIS_FENCE_H
+
+#include "util/u_inlines.h"
+
+struct pipe_screen;
+
+struct iris_syncpt {
+   struct pipe_reference ref;
+   uint32_t handle;
+};
+
+struct iris_syncpt *iris_create_syncpt(struct iris_screen *screen);
+void iris_syncpt_destroy(struct iris_screen *, struct iris_syncpt *);
+void iris_batch_add_syncpt(struct iris_batch *batch,
+                           struct iris_syncpt *syncpt,
+                           unsigned flags);
+
+static inline void
+iris_syncpt_reference(struct iris_screen *screen,
+                      struct iris_syncpt **dst,
+                      struct iris_syncpt *src)
+{
+   if (pipe_reference(&(*dst)->ref, &src->ref))
+      iris_syncpt_destroy(screen, *dst);
+
+   *dst = src;
+}
+
+#endif