gallium/swr: add OpenSWR driver

OpenSWR is a new software rasterizer for x86 processors designed
for high performance and high scalablility on visualization workloads.

Acked-by: Roland Scheidegger <[email protected]>
Acked-by: Jose Fonseca <[email protected]>

1 files changed, 70 insertions, 0 deletions

diff --git a/src/gallium/drivers/swr/swr_fence.h b/src/gallium/drivers/swr/swr_fence.h
new file mode 100644
index 00000000000..257b2408820
--- /dev/null
+++ b/src/gallium/drivers/swr/swr_fence.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+ * Copyright (C) 2015 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_H
+#define SWR_FENCE_H
+
+#include "pipe/p_state.h"
+#include "util/u_inlines.h"
+
+struct pipe_screen;
+
+struct swr_fence {
+   struct pipe_reference reference;
+
+   uint64_t read;
+   uint64_t write;
+
+   unsigned id; /* Just for reference */
+};
+
+
+static inline struct swr_fence *
+swr_fence(struct pipe_fence_handle *fence)
+{
+   return (struct swr_fence *)fence;
+}
+
+static INLINE boolean
+swr_is_fence_done(struct swr_fence *fence)
+{
+   return (fence->read == fence->write);
+}
+
+
+void swr_fence_init(struct pipe_screen *screen);
+
+struct pipe_fence_handle *swr_fence_create();
+
+void swr_fence_reference(struct pipe_screen *screen,
+                         struct pipe_fence_handle **ptr,
+                         struct pipe_fence_handle *f);
+
+boolean swr_fence_finish(struct pipe_screen *screen,
+                         struct pipe_fence_handle *fence_handle,
+                         uint64_t timeout);
+
+void
+swr_fence_submit(struct swr_context *ctx, struct pipe_fence_handle *fence);
+
+uint64_t swr_get_timestamp(struct pipe_screen *screen);
+
+#endif