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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.