src/gallium/drivers/softpipe/sp_state_rasterizer.c

   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 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 void softpipe_bind_rasterizer_state(struct pipe_context *pipe,
  44                                     void *rasterizer)
  45 {
  46    struct softpipe_context *softpipe = softpipe_context(pipe);
  47
  48    if (softpipe->rasterizer == rasterizer)
  49       return;
  50
  51    /* pass-through to draw module */
  52    draw_set_rasterizer_state(softpipe->draw, rasterizer);
  53
  54    softpipe->rasterizer = rasterizer;
  55
  56    softpipe->dirty |= SP_NEW_RASTERIZER;
  57 }
  58
  59 void softpipe_delete_rasterizer_state(struct pipe_context *pipe,
  60                                       void *rasterizer)
  61 {
  62    FREE( rasterizer );
  63 }
  64
  65