src/gallium/drivers/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
  31 #include "util/u_memory.h"
  32 #include "draw/draw_context.h"
  33 #include "sp_context.h"
  34 #include "sp_state.h"
  35
  36
  37 void *
  38 softpipe_create_blend_state(struct pipe_context *pipe,
  39                             const struct pipe_blend_state *blend)
  40 {
  41    return mem_dup(blend, sizeof(*blend));
  42 }
  43
  44 void softpipe_bind_blend_state( struct pipe_context *pipe,
  45                                 void *blend )
  46 {
  47    struct softpipe_context *softpipe = softpipe_context(pipe);
  48
  49    draw_flush(softpipe->draw);
  50
  51    softpipe->blend = (struct pipe_blend_state *)blend;
  52
  53    softpipe->dirty |= SP_NEW_BLEND;
  54 }
  55
  56 void softpipe_delete_blend_state(struct pipe_context *pipe,
  57                                  void *blend)
  58 {
  59    FREE( blend );
  60 }
  61
  62
  63 void softpipe_set_blend_color( struct pipe_context *pipe,
  64                              const struct pipe_blend_color *blend_color )
  65 {
  66    struct softpipe_context *softpipe = softpipe_context(pipe);
  67
  68    draw_flush(softpipe->draw);
  69
  70    softpipe->blend_color = *blend_color;
  71
  72    softpipe->dirty |= SP_NEW_BLEND;
  73 }
  74
  75
  76 /** XXX move someday?  Or consolidate all these simple state setters
  77  * into one file.
  78  */
  79
  80
  81 void *
  82 softpipe_create_depth_stencil_state(struct pipe_context *pipe,
  83                                     const struct pipe_depth_stencil_alpha_state *depth_stencil)
  84 {
  85    return mem_dup(depth_stencil, sizeof(*depth_stencil));
  86 }
  87
  88 void
  89 softpipe_bind_depth_stencil_state(struct pipe_context *pipe,
  90                                   void *depth_stencil)
  91 {
  92    struct softpipe_context *softpipe = softpipe_context(pipe);
  93
  94    softpipe->depth_stencil = (struct pipe_depth_stencil_alpha_state *)depth_stencil;
  95
  96    softpipe->dirty |= SP_NEW_DEPTH_STENCIL_ALPHA;
  97 }
  98
  99 void
 100 softpipe_delete_depth_stencil_state(struct pipe_context *pipe, void *depth)
 101 {
 102    FREE( depth );
 103 }