1 /* 2 * Copyright 2019 Valve 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 AC_SHADER_ARGS_H 25 #define AC_SHADER_ARGS_H 26 27 #include <stdint.h> 28 #include <stdbool.h> 29 30 #define AC_MAX_INLINE_PUSH_CONSTS 8 31 32 enum ac_arg_regfile { 33 AC_ARG_SGPR, 34 AC_ARG_VGPR, 35 }; 36 37 enum ac_arg_type { 38 AC_ARG_FLOAT, 39 AC_ARG_INT, 40 AC_ARG_CONST_PTR, /* Pointer to i8 array */ 41 AC_ARG_CONST_FLOAT_PTR, /* Pointer to f32 array */ 42 AC_ARG_CONST_PTR_PTR, /* Pointer to pointer to i8 array */ 43 AC_ARG_CONST_DESC_PTR, /* Pointer to v4i32 array */ 44 AC_ARG_CONST_IMAGE_PTR, /* Pointer to v8i32 array */ 45 }; 46 47 struct ac_arg { 48 uint8_t arg_index; 49 bool used; 50 }; 51 52 53 #define AC_MAX_ARGS 128 54 55 struct ac_shader_args { 56 /* Info on how to declare arguments */ 57 struct { 58 enum ac_arg_type type; 59 enum ac_arg_regfile file; 60 uint8_t offset; 61 uint8_t size; 62 bool skip; 63 } args[AC_MAX_ARGS]; 64 65 uint8_t arg_count; 66 uint8_t sgpr_count; 67 uint8_t num_sgprs_used; 68 uint8_t num_vgprs_used; 69 70 struct ac_arg base_vertex; 71 struct ac_arg start_instance; 72 struct ac_arg draw_id; 73 struct ac_arg vertex_id; 74 struct ac_arg instance_id; 75 struct ac_arg tcs_patch_id; 76 struct ac_arg tcs_rel_ids; 77 struct ac_arg tes_patch_id; 78 struct ac_arg gs_prim_id; 79 struct ac_arg gs_invocation_id; 80 81 /* PS */ 82 struct ac_arg frag_pos[4]; 83 struct ac_arg front_face; 84 struct ac_arg ancillary; 85 struct ac_arg sample_coverage; 86 struct ac_arg prim_mask; 87 struct ac_arg persp_sample; 88 struct ac_arg persp_center; 89 struct ac_arg persp_centroid; 90 struct ac_arg pull_model; 91 struct ac_arg linear_sample; 92 struct ac_arg linear_center; 93 struct ac_arg linear_centroid; 94 95 /* CS */ 96 struct ac_arg local_invocation_ids; 97 struct ac_arg num_work_groups; 98 struct ac_arg workgroup_ids[3]; 99 struct ac_arg tg_size; 100 101 /* Vulkan only */ 102 struct ac_arg push_constants; 103 struct ac_arg inline_push_consts[AC_MAX_INLINE_PUSH_CONSTS]; 104 unsigned num_inline_push_consts; 105 unsigned base_inline_push_consts; 106 struct ac_arg view_index; 107 }; 108 109 void ac_add_arg(struct ac_shader_args *info, enum ac_arg_regfile regfile, 110 unsigned registers, enum ac_arg_type type, 111 struct ac_arg *arg); 112 113 #endif 114 115