1 /* 2 * Copyright © Microsoft Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. 22 */ 23 24 #ifndef DXIL_NIR_LOWER_INT_SAMPLERS_H 25 #define DXIL_NIR_LOWER_INT_SAMPLERS_H 26 27 #include "nir.h" 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 typedef struct { 34 unsigned swizzle_r:3; 35 unsigned swizzle_g:3; 36 unsigned swizzle_b:3; 37 unsigned swizzle_a:3; 38 } dxil_texture_swizzle_state; 39 40 enum dxil_tex_wrap { 41 DXIL_TEX_WRAP_REPEAT, 42 DXIL_TEX_WRAP_CLAMP, 43 DXIL_TEX_WRAP_CLAMP_TO_EDGE, 44 DXIL_TEX_WRAP_CLAMP_TO_BORDER, 45 DXIL_TEX_WRAP_MIRROR_REPEAT, 46 DXIL_TEX_WRAP_MIRROR_CLAMP, 47 DXIL_TEX_WRAP_MIRROR_CLAMP_TO_EDGE, 48 DXIL_TEX_WRAP_MIRROR_CLAMP_TO_BORDER, 49 }; 50 51 typedef struct { 52 float border_color[4]; 53 float lod_bias; 54 float min_lod, max_lod; 55 int last_level; 56 uint8_t wrap[3]; /* enum dxil_tex_wrap */ 57 uint8_t is_int_sampler:1; 58 uint8_t is_nonnormalized_coords:1; 59 uint8_t is_linear_filtering:1; 60 uint8_t skip_boundary_conditions:1; 61 uint8_t unused:4; 62 } dxil_wrap_sampler_state; 63 64 bool 65 dxil_lower_sample_to_txf_for_integer_tex(nir_shader *s, 66 unsigned n_texture_states, 67 dxil_wrap_sampler_state *wrap_states, 68 dxil_texture_swizzle_state *tex_swizzles, 69 float max_bias); 70 71 #ifdef __cplusplus 72 } 73 #endif 74 75 #endif // DXIL_NIR_LOWER_INT_SAMPLERS_H 76