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