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      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 #include "../vulkan/radv_descriptor_set.h"
     31 
     32 struct ac_shader_binary;
     33 struct ac_shader_config;
     34 struct nir_shader;
     35 struct radv_pipeline_layout;
     36 
     37 
     38 struct ac_vs_variant_key {
     39 	uint32_t instance_rate_inputs;
     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 	enum radeon_family family;
     57 	enum chip_class chip_class;
     58 };
     59 
     60 struct ac_userdata_info {
     61 	int8_t sgpr_idx;
     62 	uint8_t num_sgprs;
     63 	bool indirect;
     64 	uint32_t indirect_offset;
     65 };
     66 
     67 enum ac_ud_index {
     68 	AC_UD_PUSH_CONSTANTS = 0,
     69 	AC_UD_SHADER_START = 1,
     70 	AC_UD_VS_VERTEX_BUFFERS = AC_UD_SHADER_START,
     71 	AC_UD_VS_BASE_VERTEX_START_INSTANCE,
     72 	AC_UD_VS_MAX_UD,
     73 	AC_UD_PS_SAMPLE_POS = AC_UD_SHADER_START,
     74 	AC_UD_PS_MAX_UD,
     75 	AC_UD_CS_GRID_SIZE = AC_UD_SHADER_START,
     76 	AC_UD_CS_MAX_UD,
     77 	AC_UD_MAX_UD = AC_UD_VS_MAX_UD,
     78 };
     79 
     80 // Match MAX_SETS from radv_descriptor_set.h
     81 #define AC_UD_MAX_SETS MAX_SETS
     82 
     83 struct ac_userdata_locations {
     84 	struct ac_userdata_info descriptor_sets[AC_UD_MAX_SETS];
     85 	struct ac_userdata_info shader_data[AC_UD_MAX_UD];
     86 };
     87 
     88 struct ac_shader_variant_info {
     89 	struct ac_userdata_locations user_sgprs_locs;
     90 	unsigned num_user_sgprs;
     91 	unsigned num_input_sgprs;
     92 	unsigned num_input_vgprs;
     93 	union {
     94 		struct {
     95 			unsigned param_exports;
     96 			unsigned pos_exports;
     97 			unsigned vgpr_comp_cnt;
     98 			uint32_t export_mask;
     99 			bool writes_pointsize;
    100 			bool writes_layer;
    101 			bool writes_viewport_index;
    102 			uint8_t clip_dist_mask;
    103 			uint8_t cull_dist_mask;
    104 		} vs;
    105 		struct {
    106 			unsigned num_interp;
    107 			uint32_t input_mask;
    108 			unsigned output_mask;
    109 			uint32_t flat_shaded_mask;
    110 			bool has_pcoord;
    111 			bool can_discard;
    112 			bool writes_z;
    113 			bool writes_stencil;
    114 			bool early_fragment_test;
    115 			bool writes_memory;
    116 			bool force_persample;
    117 		} fs;
    118 		struct {
    119 			unsigned block_size[3];
    120 		} cs;
    121 	};
    122 };
    123 
    124 void ac_compile_nir_shader(LLVMTargetMachineRef tm,
    125                            struct ac_shader_binary *binary,
    126                            struct ac_shader_config *config,
    127                            struct ac_shader_variant_info *shader_info,
    128                            struct nir_shader *nir,
    129                            const struct ac_nir_compiler_options *options,
    130 			   bool dump_shader);
    131 
    132 
    133