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
  31 #include "pipe/p_util.h"
  32 #include "sp_context.h"
  33 #include "sp_state.h"
  34
  35 void *
  36 softpipe_create_blend_state(struct pipe_context *pipe,
  37                             const struct pipe_blend_state *blend)
  38 {
  39    struct pipe_blend_state *state = MALLOC( sizeof(struct pipe_blend_state) );
  40    memcpy(state, blend, sizeof(struct pipe_blend_state));
  41    return state;
  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    softpipe->blend = (const struct pipe_blend_state *)blend;
  50
  51    softpipe->dirty |= SP_NEW_BLEND;
  52 }
  53
  54 void softpipe_delete_blend_state(struct pipe_context *pipe,
  55                                  void *blend)
  56 {
  57    FREE( blend );
  58 }
  59
  60
  61 void softpipe_set_blend_color( struct pipe_context *pipe,
  62                              const struct pipe_blend_color *blend_color )
  63 {
  64    struct softpipe_context *softpipe = softpipe_context(pipe);
  65
  66    softpipe->blend_color = *blend_color;
  67
  68    softpipe->dirty |= SP_NEW_BLEND;
  69 }
  70
  71
  72 /** XXX move someday?  Or consolidate all these simple state setters
  73  * into one file.
  74  */
  75
  76 void *
  77 softpipe_create_alpha_test_state(struct pipe_context *pipe,
  78                                  const struct pipe_alpha_test_state *alpha)
  79 {
  80    struct pipe_alpha_test_state *state = MALLOC( sizeof(struct pipe_alpha_test_state) );
  81    memcpy(state, alpha, sizeof(struct pipe_alpha_test_state));
  82    return state;
  83 }
  84
  85 void
  86 softpipe_bind_alpha_test_state(struct pipe_context *pipe,
  87                                void *alpha)
  88 {
  89    struct softpipe_context *softpipe = softpipe_context(pipe);
  90
  91    softpipe->alpha_test = (const struct pipe_alpha_test_state *)alpha;
  92
  93    softpipe->dirty |= SP_NEW_ALPHA_TEST;
  94 }
  95
  96 void
  97 softpipe_delete_alpha_test_state(struct pipe_context *pipe,
  98                                  void *alpha)
  99 {
 100    FREE( alpha );
 101 }
 102
 103 void *
 104 softpipe_create_depth_stencil_state(struct pipe_context *pipe,
 105                               const struct pipe_depth_stencil_state *depth_stencil)
 106 {
 107    struct pipe_depth_stencil_state *state =
 108       MALLOC( sizeof(struct pipe_depth_stencil_state) );
 109    memcpy(state, depth_stencil, sizeof(struct pipe_depth_stencil_state));
 110    return state;
 111 }
 112
 113 void
 114 softpipe_bind_depth_stencil_state(struct pipe_context *pipe,
 115                                   void *depth_stencil)
 116 {
 117    struct softpipe_context *softpipe = softpipe_context(pipe);
 118
 119    softpipe->depth_stencil = (const struct pipe_depth_stencil_state *)depth_stencil;
 120
 121    softpipe->dirty |= SP_NEW_DEPTH_STENCIL;
 122 }
 123
 124 void
 125 softpipe_delete_depth_stencil_state(struct pipe_context *pipe, void *depth)
 126 {
 127    FREE( depth );
 128 }