1 /* 2 * Copyright 2016 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 * 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 SI_SHADER_PRIVATE_H 25 #define SI_SHADER_PRIVATE_H 26 27 #include "si_shader.h" 28 #include "gallivm/lp_bld_flow.h" 29 #include "gallivm/lp_bld_init.h" 30 #include "gallivm/lp_bld_tgsi.h" 31 #include "tgsi/tgsi_parse.h" 32 #include "ac_shader_abi.h" 33 #include "ac_llvm_util.h" 34 #include "ac_llvm_build.h" 35 36 #include <llvm-c/Core.h> 37 #include <llvm-c/TargetMachine.h> 38 39 struct pipe_debug_callback; 40 struct ac_shader_binary; 41 42 #define RADEON_LLVM_MAX_INPUT_SLOTS 32 43 #define RADEON_LLVM_MAX_INPUTS 32 * 4 44 #define RADEON_LLVM_MAX_OUTPUTS 32 * 4 45 46 #define RADEON_LLVM_MAX_SYSTEM_VALUES 11 47 #define RADEON_LLVM_MAX_ADDRS 16 48 49 struct si_shader_context { 50 struct lp_build_tgsi_context bld_base; 51 struct gallivm_state gallivm; 52 struct ac_llvm_context ac; 53 struct si_shader *shader; 54 struct si_screen *screen; 55 56 unsigned type; /* PIPE_SHADER_* specifies the type of shader. */ 57 58 /* For clamping the non-constant index in resource indexing: */ 59 unsigned num_const_buffers; 60 unsigned num_shader_buffers; 61 unsigned num_images; 62 unsigned num_samplers; 63 64 /* Whether the prolog will be compiled separately. */ 65 bool separate_prolog; 66 67 struct ac_shader_abi abi; 68 69 /** This function is responsible for initilizing the inputs array and will be 70 * called once for each input declared in the TGSI shader. 71 */ 72 void (*load_input)(struct si_shader_context *, 73 unsigned input_index, 74 const struct tgsi_full_declaration *decl, 75 LLVMValueRef out[4]); 76 77 /** This array contains the input values for the shader. Typically these 78 * values will be in the form of a target intrinsic that will inform the 79 * backend how to load the actual inputs to the shader. 80 */ 81 struct tgsi_full_declaration input_decls[RADEON_LLVM_MAX_INPUT_SLOTS]; 82 LLVMValueRef inputs[RADEON_LLVM_MAX_INPUTS]; 83 LLVMValueRef outputs[RADEON_LLVM_MAX_OUTPUTS][TGSI_NUM_CHANNELS]; 84 LLVMValueRef addrs[RADEON_LLVM_MAX_ADDRS][TGSI_NUM_CHANNELS]; 85 86 /** This pointer is used to contain the temporary values. 87 * The amount of temporary used in tgsi can't be bound to a max value and 88 * thus we must allocate this array at runtime. 89 */ 90 LLVMValueRef *temps; 91 unsigned temps_count; 92 LLVMValueRef system_values[RADEON_LLVM_MAX_SYSTEM_VALUES]; 93 94 LLVMValueRef *imms; 95 unsigned imms_num; 96 97 struct lp_build_if_state merged_wrap_if_state; 98 99 struct tgsi_array_info *temp_arrays; 100 LLVMValueRef *temp_array_allocas; 101 102 LLVMValueRef undef_alloca; 103 104 LLVMValueRef main_fn; 105 LLVMTypeRef return_type; 106 107 /* Parameter indices for LLVMGetParam. */ 108 int param_rw_buffers; 109 int param_const_and_shader_buffers; 110 int param_samplers_and_images; 111 int param_bindless_samplers_and_images; 112 /* Common inputs for merged shaders. */ 113 int param_merged_wave_info; 114 int param_merged_scratch_offset; 115 /* API VS */ 116 int param_vertex_buffers; 117 int param_rel_auto_id; 118 int param_vs_prim_id; 119 int param_vertex_index0; 120 /* VS states and layout of LS outputs / TCS inputs at the end 121 * [0] = clamp vertex color 122 * [1] = indexed 123 * [8:20] = stride between patches in DW = num_inputs * num_vertices * 4 124 * max = 32*32*4 + 32*4 125 * [24:31] = stride between vertices in DW = num_inputs * 4 126 * max = 32*4 127 */ 128 int param_vs_state_bits; 129 int param_vs_blit_inputs; 130 /* HW VS */ 131 int param_streamout_config; 132 int param_streamout_write_index; 133 int param_streamout_offset[4]; 134 135 /* API TCS & TES */ 136 /* Layout of TCS outputs in the offchip buffer 137 * # 6 bits 138 * [0:5] = the number of patches per threadgroup, max = NUM_PATCHES (40) 139 * # 6 bits 140 * [6:11] = the number of output vertices per patch, max = 32 141 * # 20 bits 142 * [12:31] = the offset of per patch attributes in the buffer in bytes. 143 * max = NUM_PATCHES*32*32*16 144 */ 145 int param_tcs_offchip_layout; 146 147 /* API TCS */ 148 /* Offsets where TCS outputs and TCS patch outputs live in LDS: 149 * [0:15] = TCS output patch0 offset / 16, max = NUM_PATCHES * 32 * 32 150 * [16:31] = TCS output patch0 offset for per-patch / 16 151 * max = (NUM_PATCHES + 1) * 32*32 152 */ 153 int param_tcs_out_lds_offsets; 154 /* Layout of TCS outputs / TES inputs: 155 * [0:12] = stride between output patches in DW, num_outputs * num_vertices * 4 156 * max = 32*32*4 + 32*4 157 * [26:31] = gl_PatchVerticesIn, max = 32 158 */ 159 int param_tcs_out_lds_layout; 160 int param_tcs_offchip_addr_base64k; 161 int param_tcs_factor_addr_base64k; 162 int param_tcs_offchip_offset; 163 int param_tcs_factor_offset; 164 165 /* API TES */ 166 int param_tes_u; 167 int param_tes_v; 168 int param_tes_rel_patch_id; 169 /* HW ES */ 170 int param_es2gs_offset; 171 /* API GS */ 172 int param_gs2vs_offset; 173 int param_gs_wave_id; /* GFX6 */ 174 LLVMValueRef gs_vtx_offset[6]; /* in dwords (GFX6) */ 175 int param_gs_vtx01_offset; /* in dwords (GFX9) */ 176 int param_gs_vtx23_offset; /* in dwords (GFX9) */ 177 int param_gs_vtx45_offset; /* in dwords (GFX9) */ 178 /* CS */ 179 int param_grid_size; 180 int param_block_size; 181 int param_block_id[3]; 182 int param_thread_id; 183 184 LLVMTargetMachineRef tm; 185 186 unsigned range_md_kind; 187 unsigned fpmath_md_kind; 188 LLVMValueRef fpmath_md_2p5_ulp; 189 190 /* Preloaded descriptors. */ 191 LLVMValueRef esgs_ring; 192 LLVMValueRef gsvs_ring[4]; 193 194 LLVMValueRef invoc0_tess_factors[6]; /* outer[4], inner[2] */ 195 LLVMValueRef gs_next_vertex[4]; 196 LLVMValueRef postponed_kill; 197 LLVMValueRef return_value; 198 199 LLVMTypeRef voidt; 200 LLVMTypeRef i1; 201 LLVMTypeRef i8; 202 LLVMTypeRef i32; 203 LLVMTypeRef i64; 204 LLVMTypeRef i128; 205 LLVMTypeRef f32; 206 LLVMTypeRef v2i32; 207 LLVMTypeRef v4i32; 208 LLVMTypeRef v4f32; 209 LLVMTypeRef v8i32; 210 211 LLVMValueRef i32_0; 212 LLVMValueRef i32_1; 213 }; 214 215 static inline struct si_shader_context * 216 si_shader_context(struct lp_build_tgsi_context *bld_base) 217 { 218 return (struct si_shader_context*)bld_base; 219 } 220 221 static inline struct si_shader_context * 222 si_shader_context_from_abi(struct ac_shader_abi *abi) 223 { 224 struct si_shader_context *ctx = NULL; 225 return container_of(abi, ctx, abi); 226 } 227 228 void si_llvm_add_attribute(LLVMValueRef F, const char *name, int value); 229 230 unsigned si_llvm_compile(LLVMModuleRef M, struct ac_shader_binary *binary, 231 LLVMTargetMachineRef tm, 232 struct pipe_debug_callback *debug); 233 234 LLVMTypeRef tgsi2llvmtype(struct lp_build_tgsi_context *bld_base, 235 enum tgsi_opcode_type type); 236 237 LLVMValueRef bitcast(struct lp_build_tgsi_context *bld_base, 238 enum tgsi_opcode_type type, LLVMValueRef value); 239 240 LLVMValueRef si_llvm_bound_index(struct si_shader_context *ctx, 241 LLVMValueRef index, 242 unsigned num); 243 244 void si_llvm_context_init(struct si_shader_context *ctx, 245 struct si_screen *sscreen, 246 LLVMTargetMachineRef tm); 247 void si_llvm_context_set_tgsi(struct si_shader_context *ctx, 248 struct si_shader *shader); 249 250 void si_llvm_create_func(struct si_shader_context *ctx, 251 const char *name, 252 LLVMTypeRef *return_types, unsigned num_return_elems, 253 LLVMTypeRef *ParamTypes, unsigned ParamCount); 254 255 void si_llvm_dispose(struct si_shader_context *ctx); 256 257 void si_llvm_optimize_module(struct si_shader_context *ctx); 258 259 LLVMValueRef si_llvm_emit_fetch_64bit(struct lp_build_tgsi_context *bld_base, 260 LLVMTypeRef type, 261 LLVMValueRef ptr, 262 LLVMValueRef ptr2); 263 264 LLVMValueRef si_llvm_emit_fetch(struct lp_build_tgsi_context *bld_base, 265 const struct tgsi_full_src_register *reg, 266 enum tgsi_opcode_type type, 267 unsigned swizzle); 268 269 LLVMValueRef si_nir_load_input_tes(struct ac_shader_abi *abi, 270 LLVMValueRef vertex_index, 271 LLVMValueRef param_index, 272 unsigned const_index, 273 unsigned location, 274 unsigned driver_location, 275 unsigned component, 276 unsigned num_components, 277 bool is_patch, 278 bool is_compact, 279 bool load_input); 280 281 LLVMValueRef si_llvm_load_input_gs(struct ac_shader_abi *abi, 282 unsigned input_index, 283 unsigned vtx_offset_param, 284 LLVMTypeRef type, 285 unsigned swizzle); 286 287 void si_llvm_emit_store(struct lp_build_tgsi_context *bld_base, 288 const struct tgsi_full_instruction *inst, 289 const struct tgsi_opcode_info *info, 290 unsigned index, 291 LLVMValueRef dst[4]); 292 293 /* Combine these with & instead of |. */ 294 #define NOOP_WAITCNT 0xf7f 295 #define LGKM_CNT 0x07f 296 #define VM_CNT 0xf70 297 298 LLVMValueRef si_get_indirect_index(struct si_shader_context *ctx, 299 const struct tgsi_ind_register *ind, 300 unsigned addr_mul, int rel_index); 301 LLVMValueRef si_get_bounded_indirect_index(struct si_shader_context *ctx, 302 const struct tgsi_ind_register *ind, 303 int rel_index, unsigned num); 304 305 LLVMTypeRef si_const_array(LLVMTypeRef elem_type, int num_elements); 306 307 void si_shader_context_init_alu(struct lp_build_tgsi_context *bld_base); 308 void si_shader_context_init_mem(struct si_shader_context *ctx); 309 310 LLVMValueRef si_load_sampler_desc(struct si_shader_context *ctx, 311 LLVMValueRef list, LLVMValueRef index, 312 enum ac_descriptor_type type); 313 LLVMValueRef si_load_image_desc(struct si_shader_context *ctx, 314 LLVMValueRef list, LLVMValueRef index, 315 enum ac_descriptor_type desc_type, bool dcc_off); 316 317 void si_load_system_value(struct si_shader_context *ctx, 318 unsigned index, 319 const struct tgsi_full_declaration *decl); 320 void si_declare_compute_memory(struct si_shader_context *ctx, 321 const struct tgsi_full_declaration *decl); 322 323 void si_llvm_load_input_vs( 324 struct si_shader_context *ctx, 325 unsigned input_index, 326 LLVMValueRef out[4]); 327 void si_llvm_load_input_fs( 328 struct si_shader_context *ctx, 329 unsigned input_index, 330 LLVMValueRef out[4]); 331 332 bool si_nir_build_llvm(struct si_shader_context *ctx, struct nir_shader *nir); 333 334 LLVMValueRef si_nir_load_input_gs(struct ac_shader_abi *abi, 335 unsigned location, 336 unsigned driver_location, 337 unsigned component, 338 unsigned num_components, 339 unsigned vertex_index, 340 unsigned const_index, 341 LLVMTypeRef type); 342 343 #endif 344
