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 #pragma once
  25
  26 #include <stdbool.h>
  27 #include "llvm-c/Core.h"
  28 #include "llvm-c/TargetMachine.h"
  29 #include "amd_family.h"
  30
  31 struct ac_shader_binary;
  32 struct ac_shader_config;
  33 struct nir_shader;
  34 struct radv_pipeline_layout;
  35
  36
  37 struct ac_vs_variant_key {
  38         uint32_t instance_rate_inputs;
  39         uint32_t as_es:1;
  40 };
  41
  42 struct ac_fs_variant_key {
  43         uint32_t col_format;
  44         uint32_t is_int8;
  45 };
  46
  47 union ac_shader_variant_key {
  48         struct ac_vs_variant_key vs;
  49         struct ac_fs_variant_key fs;
  50 };
  51
  52 struct ac_nir_compiler_options {
  53         struct radv_pipeline_layout *layout;
  54         union ac_shader_variant_key key;
  55         bool unsafe_math;
  56         bool supports_spill;
  57         enum radeon_family family;
  58         enum chip_class chip_class;
  59 };
  60
  61 struct ac_userdata_info {
  62         int8_t sgpr_idx;
  63         uint8_t num_sgprs;
  64         bool indirect;
  65         uint32_t indirect_offset;
  66 };
  67
  68 enum ac_ud_index {
  69         AC_UD_SCRATCH_RING_OFFSETS = 0,
  70         AC_UD_PUSH_CONSTANTS = 1,
  71         AC_UD_SHADER_START = 2,
  72         AC_UD_VS_VERTEX_BUFFERS = AC_UD_SHADER_START,
  73         AC_UD_VS_BASE_VERTEX_START_INSTANCE,
  74         AC_UD_VS_MAX_UD,
  75         AC_UD_PS_SAMPLE_POS = AC_UD_SHADER_START,
  76         AC_UD_PS_MAX_UD,
  77         AC_UD_CS_GRID_SIZE = AC_UD_SHADER_START,
  78         AC_UD_CS_MAX_UD,
  79         AC_UD_GS_VS_RING_STRIDE_ENTRIES = AC_UD_SHADER_START,
  80         AC_UD_GS_MAX_UD,
  81         AC_UD_MAX_UD = AC_UD_VS_MAX_UD,
  82 };
  83
  84 #define AC_UD_MAX_SETS 4
  85
  86 struct ac_userdata_locations {
  87         struct ac_userdata_info descriptor_sets[AC_UD_MAX_SETS];
  88         struct ac_userdata_info shader_data[AC_UD_MAX_UD];
  89 };
  90
  91 struct ac_shader_variant_info {
  92         struct ac_userdata_locations user_sgprs_locs;
  93         unsigned num_user_sgprs;
  94         unsigned num_input_sgprs;
  95         unsigned num_input_vgprs;
  96         union {
  97                 struct {
  98                         unsigned param_exports;
  99                         unsigned pos_exports;
 100                         unsigned vgpr_comp_cnt;
 101                         uint32_t export_mask;
 102                         bool writes_pointsize;
 103                         bool writes_layer;
 104                         bool writes_viewport_index;
 105                         uint8_t clip_dist_mask;
 106                         uint8_t cull_dist_mask;
 107                 } vs;
 108                 struct {
 109                         unsigned num_interp;
 110                         uint32_t input_mask;
 111                         unsigned output_mask;
 112                         uint32_t flat_shaded_mask;
 113                         bool has_pcoord;
 114                         bool can_discard;
 115                         bool writes_z;
 116                         bool writes_stencil;
 117                         bool early_fragment_test;
 118                         bool writes_memory;
 119                         bool force_persample;
 120                 } fs;
 121                 struct {
 122                         unsigned block_size[3];
 123                 } cs;
 124                 struct {
 125                         unsigned vertices_in;
 126                         unsigned vertices_out;
 127                         unsigned output_prim;
 128                         unsigned invocations;
 129                 } gs;
 130         };
 131 };
 132
 133 void ac_compile_nir_shader(LLVMTargetMachineRef tm,
 134                            struct ac_shader_binary *binary,
 135                            struct ac_shader_config *config,
 136                            struct ac_shader_variant_info *shader_info,
 137                            struct nir_shader *nir,
 138                            const struct ac_nir_compiler_options *options,
 139                            bool dump_shader);
 140
 141