st/va: skeleton VAAPI state tracker

This patch adds a skeleton VA-API state tracker,
which is filled with live in the subsequent patches.

v2: fixes in configure.ac and va state_tracker Makefile.am
v3: do not link against libva.
    detect libva version, and correctly set driver entrypoint name.
    rebase(cleanup) targets/va/Makefile.am
v4: cleanup va version auto detection
    add back targets/va/va.sym

Signed-off-by: Christian König <[email protected]>
Signed-off-by: Leo Liu <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>

1 files changed, 87 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/va/buffer.c b/src/gallium/state_trackers/va/buffer.c
new file mode 100644
index 00000000000..0378f60afe8
--- /dev/null
+++ b/src/gallium/state_trackers/va/buffer.c
@@ -0,0 +1,87 @@
+/**************************************************************************
+ *
+ * Copyright 2010 Thomas Balling Sørensen & Orasanu Lucian.
+ * Copyright 2014 Advanced Micro Devices, Inc.
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ **************************************************************************/
+
+#include "va_private.h"
+
+VAStatus
+vlVaCreateBuffer(VADriverContextP ctx, VAContextID context, VABufferType type,
+                 unsigned int size, unsigned int num_elements, void *data,
+                 VABufferID *buf_id)
+{
+   if (!ctx)
+      return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+   return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus
+vlVaBufferSetNumElements(VADriverContextP ctx, VABufferID buf_id,
+                         unsigned int num_elements)
+{
+   if (!ctx)
+      return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+   return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus
+vlVaMapBuffer(VADriverContextP ctx, VABufferID buf_id, void **pbuff)
+{
+   if (!ctx)
+      return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+   return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus
+vlVaUnmapBuffer(VADriverContextP ctx, VABufferID buf_id)
+{
+   if (!ctx)
+      return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+   return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus
+vlVaDestroyBuffer(VADriverContextP ctx, VABufferID buffer_id)
+{
+   if (!ctx)
+      return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+   return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus
+vlVaBufferInfo(VADriverContextP ctx, VABufferID buf_id, VABufferType *type,
+               unsigned int *size, unsigned int *num_elements)
+{
+   if (!ctx)
+      return VA_STATUS_ERROR_INVALID_CONTEXT;
+
+   return VA_STATUS_ERROR_UNIMPLEMENTED;
+}