[g3dvl] rename ycbcr buffer to video buffer and add some more functionality

1 files changed, 84 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/vl/vl_video_buffer.h b/src/gallium/auxiliary/vl/vl_video_buffer.h
new file mode 100644
index 00000000000..adba6c56e88
--- /dev/null
+++ b/src/gallium/auxiliary/vl/vl_video_buffer.h
@@ -0,0 +1,84 @@
+/**************************************************************************
+ *
+ * Copyright 2011 Christian König.
+ * 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_ycbcr_buffer_h
+#define vl_ycbcr_buffer_h
+
+#include <pipe/p_state.h>
+
+#define VL_MAX_PLANES 3
+
+/**
+ * implementation of a planar ycbcr buffer
+ */
+
+/* resources of a buffer */
+typedef struct pipe_resource *vl_resources[VL_MAX_PLANES];
+
+/* sampler views of a buffer */
+typedef struct pipe_sampler_view *vl_sampler_views[VL_MAX_PLANES];
+
+/* surfaces of a buffer */
+typedef struct pipe_surface *vl_surfaces[VL_MAX_PLANES];
+
+/* planar buffer for vl data upload and manipulation */
+struct vl_video_buffer
+{
+   struct pipe_context *pipe;
+   unsigned            num_planes;
+   vl_resources        resources;
+   vl_sampler_views    sampler_views;
+   vl_surfaces         surfaces;
+};
+
+/**
+ * initialize a buffer, creating its resources
+ */
+bool vl_video_buffer_init(struct vl_video_buffer *buffer,
+                          struct pipe_context *pipe,
+                          unsigned width, unsigned height, unsigned depth,
+                          enum pipe_video_chroma_format chroma_format,
+                          unsigned num_planes,
+                          const enum pipe_format resource_formats[VL_MAX_PLANES],
+                          unsigned usage);
+
+/**
+ * create default sampler views for the buffer on demand
+ */
+vl_sampler_views *vl_video_buffer_sampler_views(struct vl_video_buffer *buffer);
+
+/**
+ * create default surfaces for the buffer on demand
+ */
+vl_surfaces *vl_video_buffer_surfaces(struct vl_video_buffer *buffer);
+
+/**
+ * cleanup the buffer destroying all its resources
+ */
+void vl_video_buffer_cleanup(struct vl_video_buffer *buffer);
+
+#endif