src/mesa/pipe/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 #include "sp_context.h"
  34 #include "sp_state.h"
  35 #include "sp_texture.h"
  36 #include "sp_tile_cache.h"
  37
  38
  39 void *
  40 softpipe_create_sampler_state(struct pipe_context *pipe,
  41                               const struct pipe_sampler_state *sampler)
  42 {
  43    struct pipe_sampler_state *state = MALLOC( sizeof(struct pipe_sampler_state) );
  44    memcpy(state, sampler, sizeof(struct pipe_sampler_state));
  45    return state;
  46 }
  47
  48 void
  49 softpipe_bind_sampler_state(struct pipe_context *pipe,
  50                             unsigned unit, void *sampler)
  51 {
  52    struct softpipe_context *softpipe = softpipe_context(pipe);
  53
  54    assert(unit < PIPE_MAX_SAMPLERS);
  55    softpipe->sampler[unit] = (struct pipe_sampler_state *)sampler;
  56
  57    softpipe->dirty |= SP_NEW_SAMPLER;
  58 }
  59
  60
  61 void
  62 softpipe_delete_sampler_state(struct pipe_context *pipe,
  63                               void *sampler)
  64 {
  65    FREE( sampler );
  66 }
  67
  68
  69 void
  70 softpipe_set_texture_state(struct pipe_context *pipe,
  71                            unsigned unit,
  72                            struct pipe_texture *texture)
  73 {
  74    struct softpipe_context *softpipe = softpipe_context(pipe);
  75
  76    assert(unit < PIPE_MAX_SAMPLERS);
  77    softpipe->texture[unit] = softpipe_texture(texture);  /* ptr, not struct */
  78
  79    sp_tile_cache_set_texture(softpipe->tex_cache[unit], texture);
  80
  81    softpipe->dirty |= SP_NEW_TEXTURE;
  82 }
  83
  84
  85 void
  86 softpipe_set_sampler_units(struct pipe_context *pipe,
  87                            uint num_samplers, const uint *units )
  88 {
  89    struct softpipe_context *softpipe = softpipe_context(pipe);
  90    uint i;
  91    for (i = 0; i < num_samplers; i++)
  92       softpipe->sampler_units[i] = units[i];
  93    softpipe->dirty |= SP_NEW_SAMPLER;
  94 }
  95
  96