src/mesa/pipe/softpipe/sp_state_blend.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
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   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.
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  25  *
  26  **************************************************************************/
  27
  28 /* Authors:  Keith Whitwell <keith@tungstengraphics.com>
  29  */
  30 #include "imports.h"
  31
  32 #include "sp_context.h"
  33 #include "sp_state.h"
  34 #include "sp_draw.h"
  35
  36
  37
  38 void softpipe_set_blend_state( struct pipe_context *pipe,
  39                              const struct pipe_blend_state *blend )
  40 {
  41    struct softpipe_context *softpipe = softpipe_context(pipe);
  42
  43    softpipe->blend = *blend;
  44
  45    softpipe->dirty |= G_NEW_BLEND;
  46 }
  47
  48
  49 /** XXX move someday?  Or consolidate all these simple state setters
  50  * into one file.
  51  */
  52 void
  53 softpipe_set_depth_test_state(struct pipe_context *pipe,
  54                               const struct pipe_depth_state *depth)
  55 {
  56    struct softpipe_context *softpipe = softpipe_context(pipe);
  57
  58    softpipe->depth_test = *depth;
  59
  60    softpipe->dirty |= G_NEW_DEPTH_TEST;
  61 }
  62
  63 void
  64 softpipe_set_alpha_test_state(struct pipe_context *pipe,
  65                               const struct pipe_alpha_test_state *alpha)
  66 {
  67    struct softpipe_context *softpipe = softpipe_context(pipe);
  68
  69    softpipe->alpha_test = *alpha;
  70
  71    softpipe->dirty |= G_NEW_ALPHA_TEST;
  72 }
  73