r600: fork and import gallium/radeon

This marks the end of code sharing between r600 and radeonsi.
It's getting difficult to work on radeonsi without breaking r600.

A lot of functions had to be renamed to prevent linker conflicts.
There are also minor cleanups.

Acked-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

1 files changed, 85 insertions, 0 deletions

diff --git a/src/gallium/drivers/r600/radeon_video.h b/src/gallium/drivers/r600/radeon_video.h
new file mode 100644
index 0000000000..3347c4ebce
--- /dev/null
+++ b/src/gallium/drivers/r600/radeon_video.h
@@ -0,0 +1,85 @@
+/**************************************************************************
+ *
+ * Copyright 2013 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.
+ *
+ **************************************************************************/
+
+/*
+ * Authors:
+ *      Christian König <christian.koenig@amd.com>
+ *
+ */
+
+#ifndef RADEON_VIDEO_H
+#define RADEON_VIDEO_H
+
+#include "radeon/radeon_winsys.h"
+#include "vl/vl_video_buffer.h"
+
+#define RVID_ERR(fmt, args...) \
+	fprintf(stderr, "EE %s:%d %s UVD - "fmt, __FILE__, __LINE__, __func__, ##args)
+
+/* video buffer representation */
+struct rvid_buffer
+{
+	unsigned		usage;
+	struct r600_resource	*res;
+};
+
+/* generate an stream handle */
+unsigned rvid_alloc_stream_handle(void);
+
+/* create a buffer in the winsys */
+bool rvid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
+			unsigned size, unsigned usage);
+
+/* destroy a buffer */
+void rvid_destroy_buffer(struct rvid_buffer *buffer);
+
+/* reallocate a buffer, preserving its content */
+bool rvid_resize_buffer(struct pipe_screen *screen, struct radeon_winsys_cs *cs,
+			struct rvid_buffer *new_buf, unsigned new_size);
+
+/* clear the buffer with zeros */
+void rvid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer);
+
+/* join surfaces into the same buffer with identical tiling params
+   sumup their sizes and replace the backend buffers with a single bo */
+void rvid_join_surfaces(struct r600_common_context *rctx,
+                        struct pb_buffer** buffers[VL_NUM_COMPONENTS],
+                        struct radeon_surf *surfaces[VL_NUM_COMPONENTS]);
+
+/* returns supported codecs and other parameters */
+int rvid_get_video_param(struct pipe_screen *screen,
+                         enum pipe_video_profile profile,
+                         enum pipe_video_entrypoint entrypoint,
+                         enum pipe_video_cap param);
+
+/* the hardware only supports NV12 */
+boolean rvid_is_format_supported(struct pipe_screen *screen,
+                                 enum pipe_format format,
+                                 enum pipe_video_profile profile,
+                                 enum pipe_video_entrypoint entrypoint);
+
+#endif // RADEON_VIDEO_H