1 /* 2 * Copyright 2012 Advanced Micro Devices, Inc. 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 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * 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 NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef AC_SHADER_UTIL_H 25 #define AC_SHADER_UTIL_H 26 27 #include "ac_binary.h" 28 #include "amd_family.h" 29 #include "compiler/nir/nir.h" 30 31 #include <stdbool.h> 32 #include <stdint.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 enum ac_image_dim 39 { 40 ac_image_1d, 41 ac_image_2d, 42 ac_image_3d, 43 ac_image_cube, // includes cube arrays 44 ac_image_1darray, 45 ac_image_2darray, 46 ac_image_2dmsaa, 47 ac_image_2darraymsaa, 48 }; 49 50 struct ac_data_format_info { 51 uint8_t element_size; 52 uint8_t num_channels; 53 uint8_t chan_byte_size; 54 uint8_t chan_format; 55 }; 56 57 struct ac_spi_color_formats { 58 unsigned normal : 8; 59 unsigned alpha : 8; 60 unsigned blend : 8; 61 unsigned blend_alpha : 8; 62 }; 63 64 /* For ac_build_fetch_format. 65 * 66 * Note: FLOAT must be 0 (used for convenience of encoding in radeonsi). 67 */ 68 enum ac_fetch_format 69 { 70 AC_FETCH_FORMAT_FLOAT = 0, 71 AC_FETCH_FORMAT_FIXED, 72 AC_FETCH_FORMAT_UNORM, 73 AC_FETCH_FORMAT_SNORM, 74 AC_FETCH_FORMAT_USCALED, 75 AC_FETCH_FORMAT_SSCALED, 76 AC_FETCH_FORMAT_UINT, 77 AC_FETCH_FORMAT_SINT, 78 AC_FETCH_FORMAT_NONE, 79 }; 80 81 unsigned ac_get_spi_shader_z_format(bool writes_z, bool writes_stencil, bool writes_samplemask); 82 83 unsigned ac_get_cb_shader_mask(unsigned spi_shader_col_format); 84 85 uint32_t ac_vgt_gs_mode(unsigned gs_max_vert_out, enum chip_class chip_class); 86 87 unsigned ac_get_tbuffer_format(enum chip_class chip_class, unsigned dfmt, unsigned nfmt); 88 89 const struct ac_data_format_info *ac_get_data_format_info(unsigned dfmt); 90 91 enum ac_image_dim ac_get_sampler_dim(enum chip_class chip_class, enum glsl_sampler_dim dim, 92 bool is_array); 93 94 enum ac_image_dim ac_get_image_dim(enum chip_class chip_class, enum glsl_sampler_dim sdim, 95 bool is_array); 96 97 unsigned ac_get_fs_input_vgpr_cnt(const struct ac_shader_config *config, 98 signed char *face_vgpr_index, signed char *ancillary_vgpr_index); 99 100 void ac_choose_spi_color_formats(unsigned format, unsigned swap, unsigned ntype, bool is_depth, 101 struct ac_spi_color_formats *formats); 102 103 #ifdef __cplusplus 104 } 105 #endif 106 107 #endif 108