[g3dvl] and finally split the decoder part out of the context

This should give a good basis to implement vdpau ontop of it.

1 files changed, 90 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/vl/vl_mpeg12_decoder.h b/src/gallium/auxiliary/vl/vl_mpeg12_decoder.h
new file mode 100644
index 00000000000..f7dc2d5799a
--- /dev/null
+++ b/src/gallium/auxiliary/vl/vl_mpeg12_decoder.h
@@ -0,0 +1,90 @@
+/**************************************************************************
+ *
+ * Copyright 2009 Younes Manton.
+ * 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 VL_MPEG12_DECODER_H
+#define VL_MPEG12_DECODER_H
+
+#include <pipe/p_video_context.h>
+
+#include "vl_idct.h"
+#include "vl_mpeg12_mc_renderer.h"
+
+#include "vl_vertex_buffers.h"
+#include "vl_video_buffer.h"
+
+struct pipe_screen;
+struct pipe_context;
+
+struct vl_mpeg12_decoder
+{
+   struct pipe_video_decoder base;
+   struct pipe_context *pipe;
+
+   const unsigned (*empty_block_mask)[3][2][2];
+
+   struct pipe_vertex_buffer quads;
+   void *ves[VL_MAX_PLANES];
+
+   struct vl_idct idct_y, idct_c;
+   struct vl_mpeg12_mc_renderer mc;
+
+   void *rast;
+   void *dsa;
+   void *blend;
+};
+
+struct vl_mpeg12_buffer
+{
+   struct pipe_video_decode_buffer base;
+
+   struct vl_vertex_buffer vertex_stream;
+
+   struct pipe_video_buffer *idct_source;
+   struct pipe_video_buffer *idct_2_mc;
+
+   union
+   {
+      struct pipe_vertex_buffer all[2];
+      struct {
+         struct pipe_vertex_buffer quad, stream;
+      } individual;
+   } vertex_bufs;
+
+   struct vl_idct_buffer idct[VL_MAX_PLANES];
+   struct vl_mpeg12_mc_buffer mc[VL_MAX_PLANES];
+};
+
+/* drivers can call this function in their pipe_video_context constructors and pass it
+   an accelerated pipe_context along with suitable buffering modes, etc */
+struct pipe_video_decoder *
+vl_create_mpeg12_decoder(struct pipe_video_context *context,
+                         struct pipe_context *pipe,
+                         enum pipe_video_profile profile,
+                         enum pipe_video_chroma_format chroma_format,
+                         unsigned width, unsigned height);
+
+#endif /* VL_MPEG12_DECODER_H */