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 */ 104