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      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 "pipe/p_state.h"
     28 #include "nir.h"
     29 
     30 #ifdef __cplusplus
     31 extern "C" {
     32 #endif
     33 
     34 typedef struct {
     35    unsigned swizzle_r:3;
     36    unsigned swizzle_g:3;
     37    unsigned swizzle_b:3;
     38    unsigned swizzle_a:3;
     39 } dxil_texture_swizzle_state;
     40 
     41 typedef struct {
     42    float border_color[4];
     43    float lod_bias;
     44    float min_lod, max_lod;
     45    int last_level;
     46    uint8_t wrap[3];
     47    uint8_t is_int_sampler:1;
     48    uint8_t is_nonnormalized_coords:1;
     49    uint8_t is_linear_filtering:1;
     50    uint8_t skip_boundary_conditions:1;
     51    uint8_t unused:4;
     52 } dxil_wrap_sampler_state;
     53 
     54 bool
     55 dxil_lower_sample_to_txf_for_integer_tex(nir_shader *s,
     56                                          dxil_wrap_sampler_state *wrap_states,
     57                                          dxil_texture_swizzle_state *tex_swizzles,
     58                                          float max_bias);
     59 
     60 #ifdef __cplusplus
     61 }
     62 #endif
     63 
     64 #endif // DXIL_NIR_LOWER_INT_SAMPLERS_H
     65