swr: Implement fence attached work queues for deferred deletion.

Work can now be added to fences and triggered by fence completion. This
allows for deferred resource deletion, and other asynchronous tasks.

Reviewed-by: George Kyriazis <[email protected]>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/gallium/drivers/swr/swr_fence_work.h b/src/gallium/drivers/swr/swr_fence_work.h
new file mode 100644
index 00000000000..12403605305
--- /dev/null
+++ b/src/gallium/drivers/swr/swr_fence_work.h
@@ -0,0 +1,47 @@
+/****************************************************************************
+ * Copyright (C) 2016 Intel Corporation.   All Rights Reserved.
+ *
+ * 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 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
+ * BRIAN PAUL 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 SWR_FENCE_WORK_H
+#define SWR_FENCE_WORK_H
+
+typedef void(*SWR_WORK_CALLBACK_FUNC)(struct swr_fence_work *work);
+
+struct swr_fence_work {
+   SWR_WORK_CALLBACK_FUNC callback;
+
+   union {
+      void *data;
+      struct swr_vertex_shader *swr_vs;
+      struct swr_fragment_shader *swr_fs;
+   } free;
+
+   struct swr_fence_work *next;
+};
+
+void swr_fence_do_work(struct swr_fence *fence);
+
+bool swr_fence_work_free(struct pipe_fence_handle *fence, void *data,
+                         bool aligned_free = false);
+bool swr_fence_work_delete_vs(struct pipe_fence_handle *fence,
+                              struct swr_vertex_shader *swr_vs);
+bool swr_fence_work_delete_fs(struct pipe_fence_handle *fence,
+                              struct swr_fragment_shader *swr_vs);
+#endif