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/**************************************************************************
 * 
 * Copyright 2009 VMware, 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 VMWARE 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.
 * 
 **************************************************************************/

/**
 * Functions for checking if buffers/textures are referenced when we need
 * to read/write from/to them.  Flush when needed.
 */

#ifndef ST_INLINES_H
#define ST_INLINES_H

#include "vg_context.h"

#include "pipe/p_context.h"
#include "pipe/p_screen.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "pipe/p_state.h"

static INLINE struct pipe_transfer *
st_cond_flush_get_transfer(struct vg_context *st,
			       struct pipe_resource *pt,
			       unsigned int face,
			       unsigned int level,
			       unsigned int zslice,
			       enum pipe_transfer_usage usage,
			       unsigned int x, unsigned int y,
			       unsigned int w, unsigned int h)
{
   struct pipe_context *pipe = st->pipe;

   return pipe_get_transfer(pipe, pt, face, level, zslice, usage,
			    x, y, w, h);
}

static INLINE struct pipe_transfer *
st_no_flush_get_transfer(struct vg_context *st,
			     struct pipe_resource *pt,
			     unsigned int face,
			     unsigned int level,
			     unsigned int zslice,
			     enum pipe_transfer_usage usage,
			     unsigned int x, unsigned int y,
			     unsigned int w, unsigned int h)
{
   struct pipe_context *pipe = st->pipe;

   return pipe_get_transfer(pipe, pt, face, level,
			    zslice, usage, x, y, w, h);
}


static INLINE void
st_cond_flush_pipe_buffer_write(struct vg_context *st,
				struct pipe_resource *buf,
				unsigned int offset,
				unsigned int size,
				const void * data)
{
   struct pipe_context *pipe = st->pipe;

   pipe_buffer_write(pipe, buf, offset, size, data);
}

static INLINE void
st_no_flush_pipe_buffer_write(struct vg_context *st,
			      struct pipe_resource *buf,
			      unsigned int offset,
			      unsigned int size,
			      const void * data)
{
   pipe_buffer_write(st->pipe, buf, offset, size, data);
}

static INLINE void
st_cond_flush_pipe_buffer_read(struct vg_context *st,
			       struct pipe_resource *buf,
			       unsigned int offset,
			       unsigned int size,
			       void * data)
{
   struct pipe_context *pipe = st->pipe;

   pipe_buffer_read(pipe, buf, offset, size, data);
}

static INLINE void
st_no_flush_pipe_buffer_read(struct vg_context *st,
			     struct pipe_resource *buf,
			     unsigned int offset,
			     unsigned int size,
			     void * data)
{
   pipe_buffer_read(st->pipe, buf, offset, size, data);
}

#endif