src/amd/common/ac_nir_to_llvm.h

   1 /*
   2  * Copyright © 2016 Bas Nieuwenhuizen
   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_NIR_TO_LLVM_H
  25 #define AC_NIR_TO_LLVM_H
  26
  27 #include <stdbool.h>
  28 #include "llvm-c/Core.h"
  29 #include "llvm-c/TargetMachine.h"
  30 #include "amd_family.h"
  31 #include "../vulkan/radv_descriptor_set.h"
  32
  33 struct ac_shader_binary;
  34 struct ac_shader_config;
  35 struct nir_shader;
  36 struct radv_pipeline_layout;
  37
  38
  39 struct ac_vs_variant_key {
  40         uint32_t instance_rate_inputs;
  41         uint32_t as_es:1;
  42 };
  43
  44 struct ac_fs_variant_key {
  45         uint32_t col_format;
  46         uint32_t is_int8;
  47 };
  48
  49 union ac_shader_variant_key {
  50         struct ac_vs_variant_key vs;
  51         struct ac_fs_variant_key fs;
  52 };
  53
  54 struct ac_nir_compiler_options {
  55         struct radv_pipeline_layout *layout;
  56         union ac_shader_variant_key key;
  57         bool unsafe_math;
  58         bool supports_spill;
  59         enum radeon_family family;
  60         enum chip_class chip_class;
  61 };
  62
  63 struct ac_userdata_info {
  64         int8_t sgpr_idx;
  65         uint8_t num_sgprs;
  66         bool indirect;
  67         uint32_t indirect_offset;
  68 };
  69
  70 enum ac_ud_index {
  71         AC_UD_SCRATCH_RING_OFFSETS = 0,
  72         AC_UD_PUSH_CONSTANTS = 1,
  73         AC_UD_SHADER_START = 2,
  74         AC_UD_VS_VERTEX_BUFFERS = AC_UD_SHADER_START,
  75         AC_UD_VS_BASE_VERTEX_START_INSTANCE,
  76         AC_UD_VS_MAX_UD,
  77         AC_UD_PS_SAMPLE_POS = AC_UD_SHADER_START,
  78         AC_UD_PS_MAX_UD,
  79         AC_UD_CS_GRID_SIZE = AC_UD_SHADER_START,
  80         AC_UD_CS_MAX_UD,
  81         AC_UD_GS_VS_RING_STRIDE_ENTRIES = AC_UD_SHADER_START,
  82         AC_UD_GS_MAX_UD,
  83         AC_UD_MAX_UD = AC_UD_VS_MAX_UD,
  84 };
  85
  86 // Match MAX_SETS from radv_descriptor_set.h
  87 #define AC_UD_MAX_SETS MAX_SETS
  88
  89 struct ac_userdata_locations {
  90         struct ac_userdata_info descriptor_sets[AC_UD_MAX_SETS];
  91         struct ac_userdata_info shader_data[AC_UD_MAX_UD];
  92 };
  93
  94 struct ac_vs_output_info {
  95         uint8_t clip_dist_mask;
  96         uint8_t cull_dist_mask;
  97         bool writes_pointsize;
  98         bool writes_layer;
  99         bool writes_viewport_index;
 100         uint32_t prim_id_output;
 101         uint32_t layer_output;
 102         uint32_t export_mask;
 103         unsigned param_exports;
 104         unsigned pos_exports;
 105 };
 106
 107 struct ac_es_output_info {
 108         uint32_t esgs_itemsize;
 109 };
 110
 111 struct ac_shader_variant_info {
 112         struct ac_userdata_locations user_sgprs_locs;
 113         unsigned num_user_sgprs;
 114         unsigned num_input_sgprs;
 115         unsigned num_input_vgprs;
 116         union {
 117                 struct {
 118                         struct ac_vs_output_info outinfo;
 119                         struct ac_es_output_info es_info;
 120                         unsigned vgpr_comp_cnt;
 121                         bool as_es;
 122                 } vs;
 123                 struct {
 124                         unsigned num_interp;
 125                         uint32_t input_mask;
 126                         unsigned output_mask;
 127                         uint32_t flat_shaded_mask;
 128                         bool has_pcoord;
 129                         bool can_discard;
 130                         bool writes_z;
 131                         bool writes_stencil;
 132                         bool writes_sample_mask;
 133                         bool early_fragment_test;
 134                         bool writes_memory;
 135                         bool force_persample;
 136                         bool prim_id_input;
 137                         bool layer_input;
 138                 } fs;
 139                 struct {
 140                         unsigned block_size[3];
 141                 } cs;
 142                 struct {
 143                         unsigned vertices_in;
 144                         unsigned vertices_out;
 145                         unsigned output_prim;
 146                         unsigned invocations;
 147                         unsigned gsvs_vertex_size;
 148                         unsigned max_gsvs_emit_size;
 149                 } gs;
 150         };
 151 };
 152
 153 void ac_compile_nir_shader(LLVMTargetMachineRef tm,
 154                            struct ac_shader_binary *binary,
 155                            struct ac_shader_config *config,
 156                            struct ac_shader_variant_info *shader_info,
 157                            struct nir_shader *nir,
 158                            const struct ac_nir_compiler_options *options,
 159                            bool dump_shader);
 160
 161 void ac_create_gs_copy_shader(LLVMTargetMachineRef tm,
 162                               struct nir_shader *geom_shader,
 163                               struct ac_shader_binary *binary,
 164                               struct ac_shader_config *config,
 165                               struct ac_shader_variant_info *shader_info,
 166                               const struct ac_nir_compiler_options *options,
 167                               bool dump_shader);
 168
 169 #endif /* AC_NIR_TO_LLVM_H */