src/gallium/drivers/llvmpipe/lp_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 "util/u_inlines.h"
  33 #include "util/u_memory.h"
  34
  35 #include "draw/draw_context.h"
  36
  37 #include "lp_context.h"
  38 #include "lp_context.h"
  39 #include "lp_state.h"
  40 #include "lp_texture.h"
  41 #include "lp_tex_cache.h"
  42 #include "draw/draw_context.h"
  43
  44
  45
  46 void *
  47 llvmpipe_create_sampler_state(struct pipe_context *pipe,
  48                               const struct pipe_sampler_state *sampler)
  49 {
  50    return mem_dup(sampler, sizeof(*sampler));
  51 }
  52
  53
  54 void
  55 llvmpipe_bind_sampler_states(struct pipe_context *pipe,
  56                              unsigned num, void **sampler)
  57 {
  58    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
  59    unsigned i;
  60
  61    assert(num <= PIPE_MAX_SAMPLERS);
  62
  63    /* Check for no-op */
  64    if (num == llvmpipe->num_samplers &&
  65        !memcmp(llvmpipe->sampler, sampler, num * sizeof(void *)))
  66       return;
  67
  68    draw_flush(llvmpipe->draw);
  69
  70    for (i = 0; i < num; ++i)
  71       llvmpipe->sampler[i] = sampler[i];
  72    for (i = num; i < PIPE_MAX_SAMPLERS; ++i)
  73       llvmpipe->sampler[i] = NULL;
  74
  75    llvmpipe->num_samplers = num;
  76
  77    llvmpipe->dirty |= LP_NEW_SAMPLER;
  78 }
  79
  80
  81 void
  82 llvmpipe_bind_vertex_sampler_states(struct pipe_context *pipe,
  83                                     unsigned num_samplers,
  84                                     void **samplers)
  85 {
  86    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
  87    unsigned i;
  88
  89    assert(num_samplers <= PIPE_MAX_VERTEX_SAMPLERS);
  90
  91    /* Check for no-op */
  92    if (num_samplers == llvmpipe->num_vertex_samplers &&
  93        !memcmp(llvmpipe->vertex_samplers, samplers, num_samplers * sizeof(void *)))
  94       return;
  95
  96    draw_flush(llvmpipe->draw);
  97
  98    for (i = 0; i < num_samplers; ++i)
  99       llvmpipe->vertex_samplers[i] = samplers[i];
 100    for (i = num_samplers; i < PIPE_MAX_VERTEX_SAMPLERS; ++i)
 101       llvmpipe->vertex_samplers[i] = NULL;
 102
 103    llvmpipe->num_vertex_samplers = num_samplers;
 104
 105    llvmpipe->dirty |= LP_NEW_SAMPLER;
 106 }
 107
 108
 109 void
 110 llvmpipe_set_sampler_textures(struct pipe_context *pipe,
 111                               unsigned num, struct pipe_texture **texture)
 112 {
 113    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
 114    uint i;
 115
 116    assert(num <= PIPE_MAX_SAMPLERS);
 117
 118    /* Check for no-op */
 119    if (num == llvmpipe->num_textures &&
 120        !memcmp(llvmpipe->texture, texture, num * sizeof(struct pipe_texture *)))
 121       return;
 122
 123    draw_flush(llvmpipe->draw);
 124
 125    for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
 126       struct pipe_texture *tex = i < num ? texture[i] : NULL;
 127
 128       pipe_texture_reference(&llvmpipe->texture[i], tex);
 129       lp_tex_tile_cache_set_texture(llvmpipe->tex_cache[i], tex);
 130
 131       if(tex) {
 132          struct llvmpipe_texture *lp_tex = llvmpipe_texture(tex);
 133          struct lp_jit_texture *jit_tex = &llvmpipe->jit_context.textures[i];
 134          jit_tex->width = tex->width0;
 135          jit_tex->height = tex->height0;
 136          jit_tex->stride = lp_tex->stride[0];
 137          if(!lp_tex->dt)
 138             jit_tex->data = lp_tex->data;
 139       }
 140    }
 141
 142    llvmpipe->num_textures = num;
 143
 144    llvmpipe->dirty |= LP_NEW_TEXTURE;
 145 }
 146
 147
 148 void
 149 llvmpipe_set_vertex_sampler_textures(struct pipe_context *pipe,
 150                                      unsigned num_textures,
 151                                      struct pipe_texture **textures)
 152 {
 153    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
 154    uint i;
 155
 156    assert(num_textures <= PIPE_MAX_VERTEX_SAMPLERS);
 157
 158    /* Check for no-op */
 159    if (num_textures == llvmpipe->num_vertex_textures &&
 160        !memcmp(llvmpipe->vertex_textures, textures, num_textures * sizeof(struct pipe_texture *))) {
 161       return;
 162    }
 163
 164    draw_flush(llvmpipe->draw);
 165
 166    for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
 167       struct pipe_texture *tex = i < num_textures ? textures[i] : NULL;
 168
 169       pipe_texture_reference(&llvmpipe->vertex_textures[i], tex);
 170       lp_tex_tile_cache_set_texture(llvmpipe->vertex_tex_cache[i], tex);
 171    }
 172
 173    llvmpipe->num_vertex_textures = num_textures;
 174
 175    llvmpipe->dirty |= LP_NEW_TEXTURE;
 176 }
 177
 178
 179 void
 180 llvmpipe_delete_sampler_state(struct pipe_context *pipe,
 181                               void *sampler)
 182 {
 183    FREE( sampler );
 184 }
 185
 186
 187