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
   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 /* Authors:  Keith Whitwell <keith@tungstengraphics.com>
  29  */
  30 #include "sp_context.h"
  31 #include "sp_state.h"
  32
  33
  34 void softpipe_set_blend_state( struct pipe_context *pipe,
  35                              const struct pipe_blend_state *blend )
  36 {
  37    struct softpipe_context *softpipe = softpipe_context(pipe);
  38
  39    softpipe->blend = *blend;
  40
  41    softpipe->dirty |= SP_NEW_BLEND;
  42 }
  43
  44
  45 void softpipe_set_blend_color( struct pipe_context *pipe,
  46                              const struct pipe_blend_color *blend_color )
  47 {
  48    struct softpipe_context *softpipe = softpipe_context(pipe);
  49
  50    softpipe->blend_color = *blend_color;
  51
  52    softpipe->dirty |= SP_NEW_BLEND;
  53 }
  54
  55
  56 /** XXX move someday?  Or consolidate all these simple state setters
  57  * into one file.
  58  */
  59 void
  60 softpipe_set_depth_test_state(struct pipe_context *pipe,
  61                               const struct pipe_depth_state *depth)
  62 {
  63    struct softpipe_context *softpipe = softpipe_context(pipe);
  64
  65    softpipe->depth_test = *depth;
  66
  67    softpipe->dirty |= SP_NEW_DEPTH_TEST;
  68 }
  69
  70 void
  71 softpipe_set_alpha_test_state(struct pipe_context *pipe,
  72                               const struct pipe_alpha_test_state *alpha)
  73 {
  74    struct softpipe_context *softpipe = softpipe_context(pipe);
  75
  76    softpipe->alpha_test = *alpha;
  77
  78    softpipe->dirty |= SP_NEW_ALPHA_TEST;
  79 }
  80
  81 void
  82 softpipe_set_stencil_state(struct pipe_context *pipe,
  83                            const struct pipe_stencil_state *stencil)
  84 {
  85    struct softpipe_context *softpipe = softpipe_context(pipe);
  86
  87    softpipe->stencil = *stencil;
  88
  89    softpipe->dirty |= SP_NEW_STENCIL;
  90 }
  91