/* * Copyright 2016 Advanced Micro Devices, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef SI_SHADER_PRIVATE_H #define SI_SHADER_PRIVATE_H #include "ac_shader_abi.h" #include "si_shader.h" struct pipe_debug_callback; /* Ideally pass the sample mask input to the PS epilog as v14, which * is its usual location, so that the shader doesn't have to add v_mov. */ #define PS_EPILOG_SAMPLEMASK_MIN_LOC 14 struct si_shader_output_values { LLVMValueRef values[4]; ubyte vertex_stream[4]; ubyte semantic; }; struct si_shader_context { struct ac_llvm_context ac; struct si_shader *shader; struct si_shader_selector *next_shader_sel; struct si_screen *screen; gl_shader_stage stage; /* For clamping the non-constant index in resource indexing: */ unsigned num_const_buffers; unsigned num_shader_buffers; unsigned num_images; unsigned num_samplers; struct ac_shader_args args; struct ac_shader_abi abi; LLVMBasicBlockRef merged_wrap_if_entry_block; int merged_wrap_if_label; LLVMValueRef main_fn; LLVMTypeRef return_type; struct ac_arg const_and_shader_buffers; struct ac_arg samplers_and_images; /* For merged shaders, the per-stage descriptors for the stage other * than the one we're processing, used to pass them through from the * first stage to the second. */ struct ac_arg other_const_and_shader_buffers; struct ac_arg other_samplers_and_images; struct ac_arg internal_bindings; struct ac_arg bindless_samplers_and_images; struct ac_arg small_prim_cull_info; /* API VS */ struct ac_arg vb_descriptors[5]; struct ac_arg vertex_index0; /* VS states and layout of LS outputs / TCS inputs at the end * [0] = clamp vertex color * [1] = indexed * [2:3] = NGG: output primitive type * [4:5] = NGG: provoking vertex index * [6] = NGG: streamout queries enabled * [7:10] = NGG: small prim filter precision = num_samples / quant_mode, * but in reality it's: 1/2^n, from 1/16 to 1/4096 = 1/2^4 to 1/2^12 * Only the first 4 bits of the exponent are stored. * Set it like this: (fui(num_samples / quant_mode) >> 23) * Expand to FP32 like this: ((0x70 | value) << 23); * With 0x70 = 112, we get 2^(112 + value - 127) = 2^(value - 15) * = 1/2^(15 - value) in FP32 * [11:23] = stride between patches in DW = num_inputs * num_vertices * 4 * max = 32*32*4 + 32*4 * [24:31] = stride between vertices in DW = num_inputs * 4 * max = 32*4 */ struct ac_arg vs_state_bits; struct ac_arg vs_blit_inputs; /* API TCS & TES */ /* Layout of TCS outputs in the offchip buffer * # 6 bits * [0:5] = the number of patches per threadgroup - 1, max = 63 * # 5 bits * [6:10] = the number of output vertices per patch - 1, max = 31 * # 21 bits * [11:31] = the offset of per patch attributes in the buffer in bytes. * max = NUM_PATCHES*32*32*16 = 1M */ struct ac_arg tcs_offchip_layout; /* API TCS */ /* Offsets where TCS outputs and TCS patch outputs live in LDS: * [0:15] = TCS output patch0 offset / 16, max = NUM_PATCHES * 32 * 32 = 64K (TODO: not enough bits) * [16:31] = TCS output patch0 offset for per-patch / 16 * max = (NUM_PATCHES + 1) * 32*32 = 66624 (TODO: not enough bits) */ struct ac_arg tcs_out_lds_offsets; /* Layout of TCS outputs / TES inputs: * [0:12] = stride between output patches in DW, num_outputs * num_vertices * 4 * max = 32*32*4 + 32*4 = 4224 * [13:18] = gl_PatchVerticesIn, max = 32 * [19:31] = high 13 bits of the 32-bit address of tessellation ring buffers */ struct ac_arg tcs_out_lds_layout; /* API TES */ struct ac_arg tes_offchip_addr; /* PS */ struct ac_arg pos_fixed_pt; /* CS */ struct ac_arg block_size; struct ac_arg cs_user_data; struct ac_arg cs_shaderbuf[3]; struct ac_arg cs_image[3]; struct ac_llvm_compiler *compiler; /* Preloaded descriptors. */ LLVMValueRef esgs_ring; LLVMValueRef gsvs_ring[4]; LLVMValueRef tess_offchip_ring; LLVMValueRef invoc0_tess_factors[6]; /* outer[4], inner[2] */ LLVMValueRef gs_next_vertex[4]; LLVMValueRef gs_curprim_verts[4]; LLVMValueRef gs_generated_prims[4]; LLVMValueRef gs_ngg_emit; LLVMValueRef gs_ngg_scratch; LLVMValueRef return_value; }; static inline struct si_shader_context *si_shader_context_from_abi(struct ac_shader_abi *abi) { return container_of(abi, struct si_shader_context, abi); } /* si_shader.c */ bool si_is_multi_part_shader(struct si_shader *shader); bool si_is_merged_shader(struct si_shader *shader); void si_add_arg_checked(struct ac_shader_args *args, enum ac_arg_regfile file, unsigned registers, enum ac_arg_type type, struct ac_arg *arg, unsigned idx); void si_init_shader_args(struct si_shader_context *ctx, bool ngg_cull_shader); unsigned si_get_max_workgroup_size(const struct si_shader *shader); bool si_vs_needs_prolog(const struct si_shader_selector *sel, const struct si_vs_prolog_bits *prolog_key, const struct si_shader_key *key, bool ngg_cull_shader); void si_get_vs_prolog_key(const struct si_shader_info *info, unsigned num_input_sgprs, bool ngg_cull_shader, const struct si_vs_prolog_bits *prolog_key, struct si_shader *shader_out, union si_shader_part_key *key); struct nir_shader *si_get_nir_shader(struct si_shader_selector *sel, const struct si_shader_key *key, bool *free_nir); bool si_need_ps_prolog(const union si_shader_part_key *key); void si_get_ps_prolog_key(struct si_shader *shader, union si_shader_part_key *key, bool separate_prolog); void si_get_ps_epilog_key(struct si_shader *shader, union si_shader_part_key *key); void si_fix_resource_usage(struct si_screen *sscreen, struct si_shader *shader); /* gfx10_shader_ngg.c */ bool gfx10_ngg_export_prim_early(struct si_shader *shader); void gfx10_ngg_build_sendmsg_gs_alloc_req(struct si_shader_context *ctx); void gfx10_ngg_build_export_prim(struct si_shader_context *ctx, LLVMValueRef user_edgeflags[3], LLVMValueRef prim_passthrough); void gfx10_emit_ngg_culling_epilogue(struct ac_shader_abi *abi); void gfx10_emit_ngg_epilogue(struct ac_shader_abi *abi); void gfx10_ngg_gs_emit_vertex(struct si_shader_context *ctx, unsigned stream, LLVMValueRef *addrs); void gfx10_ngg_gs_emit_prologue(struct si_shader_context *ctx); void gfx10_ngg_gs_emit_epilogue(struct si_shader_context *ctx); unsigned gfx10_ngg_get_scratch_dw_size(struct si_shader *shader); bool gfx10_ngg_calculate_subgroup_info(struct si_shader *shader); /* si_shader_llvm.c */ bool si_compile_llvm(struct si_screen *sscreen, struct si_shader_binary *binary, struct ac_shader_config *conf, struct ac_llvm_compiler *compiler, struct ac_llvm_context *ac, struct pipe_debug_callback *debug, gl_shader_stage stage, const char *name, bool less_optimized); void si_llvm_context_init(struct si_shader_context *ctx, struct si_screen *sscreen, struct ac_llvm_compiler *compiler, unsigned wave_size); void si_llvm_create_func(struct si_shader_context *ctx, const char *name, LLVMTypeRef *return_types, unsigned num_return_elems, unsigned max_workgroup_size); void si_llvm_create_main_func(struct si_shader_context *ctx, bool ngg_cull_shader); void si_llvm_optimize_module(struct si_shader_context *ctx); void si_llvm_dispose(struct si_shader_context *ctx); LLVMValueRef si_buffer_load_const(struct si_shader_context *ctx, LLVMValueRef resource, LLVMValueRef offset); void si_llvm_build_ret(struct si_shader_context *ctx, LLVMValueRef ret); LLVMValueRef si_insert_input_ret(struct si_shader_context *ctx, LLVMValueRef ret, struct ac_arg param, unsigned return_index); LLVMValueRef si_insert_input_ret_float(struct si_shader_context *ctx, LLVMValueRef ret, struct ac_arg param, unsigned return_index); LLVMValueRef si_insert_input_ptr(struct si_shader_context *ctx, LLVMValueRef ret, struct ac_arg param, unsigned return_index); LLVMValueRef si_prolog_get_internal_bindings(struct si_shader_context *ctx); void si_llvm_emit_barrier(struct si_shader_context *ctx); void si_llvm_declare_esgs_ring(struct si_shader_context *ctx); LLVMValueRef si_unpack_param(struct si_shader_context *ctx, struct ac_arg param, unsigned rshift, unsigned bitwidth); LLVMValueRef si_get_primitive_id(struct si_shader_context *ctx, unsigned swizzle); void si_build_wrapper_function(struct si_shader_context *ctx, LLVMValueRef *parts, unsigned num_parts, unsigned main_part, unsigned next_shader_first_part, bool same_thread_count); bool si_llvm_translate_nir(struct si_shader_context *ctx, struct si_shader *shader, struct nir_shader *nir, bool free_nir, bool ngg_cull_shader); bool si_llvm_compile_shader(struct si_screen *sscreen, struct ac_llvm_compiler *compiler, struct si_shader *shader, struct pipe_debug_callback *debug, struct nir_shader *nir, bool free_nir); /* si_shader_llvm_gs.c */ LLVMValueRef si_is_es_thread(struct si_shader_context *ctx); LLVMValueRef si_is_gs_thread(struct si_shader_context *ctx); void si_llvm_emit_es_epilogue(struct ac_shader_abi *abi); void si_preload_esgs_ring(struct si_shader_context *ctx); void si_preload_gs_rings(struct si_shader_context *ctx); void si_llvm_build_gs_prolog(struct si_shader_context *ctx, union si_shader_part_key *key); void si_llvm_init_gs_callbacks(struct si_shader_context *ctx); /* si_shader_llvm_tess.c */ void si_llvm_preload_tes_rings(struct si_shader_context *ctx); void si_llvm_emit_ls_epilogue(struct ac_shader_abi *abi); void si_llvm_build_tcs_epilog(struct si_shader_context *ctx, union si_shader_part_key *key); void si_llvm_init_tcs_callbacks(struct si_shader_context *ctx); void si_llvm_init_tes_callbacks(struct si_shader_context *ctx, bool ngg_cull_shader); /* si_shader_llvm_ps.c */ LLVMValueRef si_get_sample_id(struct si_shader_context *ctx); void si_llvm_build_ps_prolog(struct si_shader_context *ctx, union si_shader_part_key *key); void si_llvm_build_ps_epilog(struct si_shader_context *ctx, union si_shader_part_key *key); void si_llvm_build_monolithic_ps(struct si_shader_context *ctx, struct si_shader *shader); void si_llvm_init_ps_callbacks(struct si_shader_context *ctx); /* si_shader_llvm_resources.c */ void si_llvm_init_resource_callbacks(struct si_shader_context *ctx); /* si_shader_llvm_vs.c */ void si_llvm_streamout_store_output(struct si_shader_context *ctx, LLVMValueRef const *so_buffers, LLVMValueRef const *so_write_offsets, struct pipe_stream_output *stream_out, struct si_shader_output_values *shader_out); void si_llvm_emit_streamout(struct si_shader_context *ctx, struct si_shader_output_values *outputs, unsigned noutput, unsigned stream); void si_llvm_build_vs_exports(struct si_shader_context *ctx, struct si_shader_output_values *outputs, unsigned noutput); void si_llvm_emit_vs_epilogue(struct ac_shader_abi *abi); void si_llvm_build_vs_prolog(struct si_shader_context *ctx, union si_shader_part_key *key); void si_llvm_init_vs_callbacks(struct si_shader_context *ctx, bool ngg_cull_shader); #endif