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/**************************************************************************
 * 
 * Copyright 2009 VMware, Inc.
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
 * 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.
 * 
 **************************************************************************/

/**
 * @author Jose Fonseca <jfonseca@vmware.com>
 * @author Keith Whitwell <keith@tungstengraphics.com>
 */

#ifndef LP_SCREEN_H
#define LP_SCREEN_H

#include "gallivm/lp_bld.h"
#include <llvm-c/ExecutionEngine.h>

#include "os/os_thread.h"
#include "pipe/p_screen.h"
#include "pipe/p_defines.h"


struct sw_winsys;


struct llvmpipe_screen
{
   struct pipe_screen base;

   struct sw_winsys *winsys;

   LLVMModuleRef module;
   LLVMExecutionEngineRef engine;
   LLVMModuleProviderRef provider;
   LLVMTargetDataRef target;
   LLVMPassManagerRef pass;

   LLVMTypeRef context_ptr_type;

   unsigned num_threads;

   /* Increments whenever textures are modified.  Contexts can track this.
    */
   unsigned timestamp;

   struct lp_rasterizer *rast;
   pipe_mutex rast_mutex;
};




static INLINE struct llvmpipe_screen *
llvmpipe_screen( struct pipe_screen *pipe )
{
   return (struct llvmpipe_screen *)pipe;
}



#endif /* LP_SCREEN_H */