src/gallium/drivers/ilo/core/ilo_state_sampler.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2015 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #ifndef ILO_STATE_SAMPLER_H
  29 #define ILO_STATE_SAMPLER_H
  30
  31 #include "genhw/genhw.h"
  32
  33 #include "ilo_core.h"
  34 #include "ilo_dev.h"
  35
  36 struct ilo_state_surface;
  37
  38 struct ilo_state_sampler_info {
  39    bool non_normalized;
  40
  41    float lod_bias;
  42    float min_lod;
  43    float max_lod;
  44
  45    enum gen_mip_filter mip_filter;
  46    enum gen_map_filter min_filter;
  47    enum gen_map_filter mag_filter;
  48    enum gen_aniso_ratio max_anisotropy;
  49
  50    enum gen_texcoord_mode tcx_ctrl;
  51    enum gen_texcoord_mode tcy_ctrl;
  52    enum gen_texcoord_mode tcz_ctrl;
  53
  54    enum gen_prefilter_op shadow_func;
  55 };
  56
  57 struct ilo_state_sampler_border_info {
  58    union {
  59       float f[4];
  60       uint32_t ui[4];
  61    } rgba;
  62
  63    bool is_integer;
  64 };
  65
  66 struct ilo_state_sampler {
  67    uint32_t sampler[3];
  68
  69    uint32_t filter_integer;
  70    uint32_t filter_3d;
  71
  72    uint32_t addr_ctrl_1d;
  73    uint32_t addr_ctrl_2d_3d;
  74    uint32_t addr_ctrl_cube;
  75
  76    bool non_normalized;
  77    bool base_to_surf_min_lod;
  78 };
  79
  80 struct ilo_state_sampler_border {
  81    uint32_t color[12];
  82 };
  83
  84 bool
  85 ilo_state_sampler_init(struct ilo_state_sampler *sampler,
  86                        const struct ilo_dev *dev,
  87                        const struct ilo_state_sampler_info *info);
  88
  89 bool
  90 ilo_state_sampler_init_disabled(struct ilo_state_sampler *sampler,
  91                                 const struct ilo_dev *dev);
  92
  93 bool
  94 ilo_state_sampler_set_surface(struct ilo_state_sampler *sampler,
  95                               const struct ilo_dev *dev,
  96                               const struct ilo_state_surface *surf);
  97
  98 bool
  99 ilo_state_sampler_border_init(struct ilo_state_sampler_border *border,
 100                               const struct ilo_dev *dev,
 101                               const struct ilo_state_sampler_border_info *info);
 102
 103 #endif /* ILO_STATE_SAMPLER_H */