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      1 /**************************************************************************
      2  *
      3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 #include "pipe/p_defines.h"
     29 #include "util/u_memory.h"
     30 #include "sp_context.h"
     31 #include "sp_state.h"
     32 #include "draw/draw_context.h"
     33 
     34 
     35 
     36 static void *
     37 softpipe_create_rasterizer_state(struct pipe_context *pipe,
     38                                  const struct pipe_rasterizer_state *rast)
     39 {
     40    return mem_dup(rast, sizeof(*rast));
     41 }
     42 
     43 
     44 static void
     45 softpipe_bind_rasterizer_state(struct pipe_context *pipe,
     46                                void *rasterizer)
     47 {
     48    struct softpipe_context *softpipe = softpipe_context(pipe);
     49 
     50    if (softpipe->rasterizer == rasterizer)
     51       return;
     52 
     53    /* pass-through to draw module */
     54    draw_set_rasterizer_state(softpipe->draw, rasterizer, rasterizer);
     55 
     56    softpipe->rasterizer = rasterizer;
     57 
     58    softpipe->dirty |= SP_NEW_RASTERIZER;
     59 }
     60 
     61 
     62 static void
     63 softpipe_delete_rasterizer_state(struct pipe_context *pipe,
     64                                  void *rasterizer)
     65 {
     66    FREE( rasterizer );
     67 }
     68 
     69 
     70 void
     71 softpipe_init_rasterizer_funcs(struct pipe_context *pipe)
     72 {
     73    pipe->create_rasterizer_state = softpipe_create_rasterizer_state;
     74    pipe->bind_rasterizer_state   = softpipe_bind_rasterizer_state;
     75    pipe->delete_rasterizer_state = softpipe_delete_rasterizer_state;
     76 }
     77