src/gallium/drivers/softpipe/sp_state_sampler.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:
  29  *  Brian Paul
  30  */
  31
  32 #include "pipe/p_util.h"
  33
  34 #include "draw/draw_context.h"
  35
  36 #include "sp_context.h"
  37 #include "sp_context.h"
  38 #include "sp_state.h"
  39 #include "sp_texture.h"
  40 #include "sp_tile_cache.h"
  41 #include "draw/draw_context.h"
  42
  43
  44
  45 void *
  46 softpipe_create_sampler_state(struct pipe_context *pipe,
  47                               const struct pipe_sampler_state *sampler)
  48 {
  49    return mem_dup(sampler, sizeof(*sampler));
  50 }
  51
  52 void
  53 softpipe_bind_sampler_state(struct pipe_context *pipe,
  54                             unsigned unit, void *sampler)
  55 {
  56    struct softpipe_context *softpipe = softpipe_context(pipe);
  57
  58    draw_flush(softpipe->draw);
  59
  60    assert(unit < PIPE_MAX_SAMPLERS);
  61    softpipe->sampler[unit] = (struct pipe_sampler_state *)sampler;
  62
  63    softpipe->dirty |= SP_NEW_SAMPLER;
  64 }
  65
  66
  67 void
  68 softpipe_delete_sampler_state(struct pipe_context *pipe,
  69                               void *sampler)
  70 {
  71    FREE( sampler );
  72 }
  73
  74
  75 void
  76 softpipe_set_sampler_texture(struct pipe_context *pipe,
  77                              unsigned unit,
  78                              struct pipe_texture *texture)
  79 {
  80    struct softpipe_context *softpipe = softpipe_context(pipe);
  81
  82    draw_flush(softpipe->draw);
  83
  84    assert(unit < PIPE_MAX_SAMPLERS);
  85    softpipe->texture[unit] = softpipe_texture(texture);  /* ptr, not struct */
  86
  87    sp_tile_cache_set_texture(softpipe->tex_cache[unit], texture);
  88
  89    softpipe->dirty |= SP_NEW_TEXTURE;
  90 }
  91
  92
  93