/************************************************************************** * * Copyright 2019 Red Hat. * 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 * the rights to use, copy, modify, merge, publish, distribute, sublicense, * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS 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. * **************************************************************************/ #include "util/u_memory.h" #include "util/simple_list.h" #include "util/os_time.h" #include "util/u_dump.h" #include "util/u_string.h" #include "tgsi/tgsi_dump.h" #include "tgsi/tgsi_parse.h" #include "gallivm/lp_bld_const.h" #include "gallivm/lp_bld_debug.h" #include "gallivm/lp_bld_intr.h" #include "gallivm/lp_bld_flow.h" #include "gallivm/lp_bld_gather.h" #include "gallivm/lp_bld_coro.h" #include "gallivm/lp_bld_nir.h" #include "lp_state_cs.h" #include "lp_context.h" #include "lp_debug.h" #include "lp_state.h" #include "lp_perf.h" #include "lp_screen.h" #include "lp_memory.h" #include "lp_query.h" #include "lp_cs_tpool.h" #include "frontend/sw_winsys.h" #include "nir/nir_to_tgsi_info.h" #include "util/mesa-sha1.h" #include "nir_serialize.h" /** Fragment shader number (for debugging) */ static unsigned cs_no = 0; struct lp_cs_job_info { unsigned grid_size[3]; unsigned grid_base[3]; unsigned block_size[3]; unsigned req_local_mem; unsigned work_dim; struct lp_cs_exec *current; }; static void generate_compute(struct llvmpipe_context *lp, struct lp_compute_shader *shader, struct lp_compute_shader_variant *variant) { struct gallivm_state *gallivm = variant->gallivm; const struct lp_compute_shader_variant_key *key = &variant->key; char func_name[64], func_name_coro[64]; LLVMTypeRef arg_types[19]; LLVMTypeRef func_type, coro_func_type; LLVMTypeRef int32_type = LLVMInt32TypeInContext(gallivm->context); LLVMValueRef context_ptr; LLVMValueRef x_size_arg, y_size_arg, z_size_arg; LLVMValueRef grid_x_arg, grid_y_arg, grid_z_arg; LLVMValueRef grid_size_x_arg, grid_size_y_arg, grid_size_z_arg; LLVMValueRef work_dim_arg, thread_data_ptr; LLVMBasicBlockRef block; LLVMBuilderRef builder; struct lp_build_sampler_soa *sampler; struct lp_build_image_soa *image; LLVMValueRef function, coro; struct lp_type cs_type; unsigned i; /* * This function has two parts * a) setup the coroutine execution environment loop. * b) build the compute shader llvm for use inside the coroutine. */ assert(lp_native_vector_width / 32 >= 4); memset(&cs_type, 0, sizeof cs_type); cs_type.floating = TRUE; /* floating point values */ cs_type.sign = TRUE; /* values are signed */ cs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */ cs_type.width = 32; /* 32-bit float */ cs_type.length = MIN2(lp_native_vector_width / 32, 16); /* n*4 elements per vector */ snprintf(func_name, sizeof(func_name), "cs_variant"); snprintf(func_name_coro, sizeof(func_name), "cs_co_variant"); arg_types[0] = variant->jit_cs_context_ptr_type; /* context */ arg_types[1] = int32_type; /* block_x_size */ arg_types[2] = int32_type; /* block_y_size */ arg_types[3] = int32_type; /* block_z_size */ arg_types[4] = int32_type; /* grid_x */ arg_types[5] = int32_type; /* grid_y */ arg_types[6] = int32_type; /* grid_z */ arg_types[7] = int32_type; /* grid_size_x */ arg_types[8] = int32_type; /* grid_size_y */ arg_types[9] = int32_type; /* grid_size_z */ arg_types[10] = int32_type; /* work dim */ arg_types[11] = variant->jit_cs_thread_data_ptr_type; /* per thread data */ arg_types[12] = int32_type; /* coro only - num X loops */ arg_types[13] = int32_type; /* coro only - partials */ arg_types[14] = int32_type; /* coro block_x_size */ arg_types[15] = int32_type; /* coro block_y_size */ arg_types[16] = int32_type; /* coro block_z_size */ arg_types[17] = int32_type; /* coro idx */ arg_types[18] = LLVMPointerType(LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0), 0); func_type = LLVMFunctionType(LLVMVoidTypeInContext(gallivm->context), arg_types, ARRAY_SIZE(arg_types) - 7, 0); coro_func_type = LLVMFunctionType(LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0), arg_types, ARRAY_SIZE(arg_types), 0); function = LLVMAddFunction(gallivm->module, func_name, func_type); LLVMSetFunctionCallConv(function, LLVMCCallConv); coro = LLVMAddFunction(gallivm->module, func_name_coro, coro_func_type); LLVMSetFunctionCallConv(coro, LLVMCCallConv); variant->function = function; for(i = 0; i < ARRAY_SIZE(arg_types); ++i) { if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) { lp_add_function_attr(coro, i + 1, LP_FUNC_ATTR_NOALIAS); if (i < ARRAY_SIZE(arg_types) - 7) lp_add_function_attr(function, i + 1, LP_FUNC_ATTR_NOALIAS); } } lp_build_coro_declare_malloc_hooks(gallivm); if (variant->gallivm->cache->data_size) return; context_ptr = LLVMGetParam(function, 0); x_size_arg = LLVMGetParam(function, 1); y_size_arg = LLVMGetParam(function, 2); z_size_arg = LLVMGetParam(function, 3); grid_x_arg = LLVMGetParam(function, 4); grid_y_arg = LLVMGetParam(function, 5); grid_z_arg = LLVMGetParam(function, 6); grid_size_x_arg = LLVMGetParam(function, 7); grid_size_y_arg = LLVMGetParam(function, 8); grid_size_z_arg = LLVMGetParam(function, 9); work_dim_arg = LLVMGetParam(function, 10); thread_data_ptr = LLVMGetParam(function, 11); lp_build_name(context_ptr, "context"); lp_build_name(x_size_arg, "x_size"); lp_build_name(y_size_arg, "y_size"); lp_build_name(z_size_arg, "z_size"); lp_build_name(grid_x_arg, "grid_x"); lp_build_name(grid_y_arg, "grid_y"); lp_build_name(grid_z_arg, "grid_z"); lp_build_name(grid_size_x_arg, "grid_size_x"); lp_build_name(grid_size_y_arg, "grid_size_y"); lp_build_name(grid_size_z_arg, "grid_size_z"); lp_build_name(work_dim_arg, "work_dim"); lp_build_name(thread_data_ptr, "thread_data"); block = LLVMAppendBasicBlockInContext(gallivm->context, function, "entry"); builder = gallivm->builder; assert(builder); LLVMPositionBuilderAtEnd(builder, block); sampler = lp_llvm_sampler_soa_create(lp_cs_variant_key_samplers(key), key->nr_samplers); image = lp_llvm_image_soa_create(lp_cs_variant_key_images(key), key->nr_images); struct lp_build_loop_state loop_state[4]; LLVMValueRef num_x_loop; LLVMValueRef vec_length = lp_build_const_int32(gallivm, cs_type.length); num_x_loop = LLVMBuildAdd(gallivm->builder, x_size_arg, vec_length, ""); num_x_loop = LLVMBuildSub(gallivm->builder, num_x_loop, lp_build_const_int32(gallivm, 1), ""); num_x_loop = LLVMBuildUDiv(gallivm->builder, num_x_loop, vec_length, ""); LLVMValueRef partials = LLVMBuildURem(gallivm->builder, x_size_arg, vec_length, ""); LLVMValueRef coro_num_hdls = LLVMBuildMul(gallivm->builder, num_x_loop, y_size_arg, ""); coro_num_hdls = LLVMBuildMul(gallivm->builder, coro_num_hdls, z_size_arg, ""); /* build a ptr in memory to store all the frames in later. */ LLVMTypeRef hdl_ptr_type = LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0); LLVMValueRef coro_mem = LLVMBuildAlloca(gallivm->builder, hdl_ptr_type, "coro_mem"); LLVMBuildStore(builder, LLVMConstNull(hdl_ptr_type), coro_mem); LLVMValueRef coro_hdls = LLVMBuildArrayAlloca(gallivm->builder, hdl_ptr_type, coro_num_hdls, "coro_hdls"); unsigned end_coroutine = INT_MAX; /* * This is the main coroutine execution loop. It iterates over the dimensions * and calls the coroutine main entrypoint on the first pass, but in subsequent * passes it checks if the coroutine has completed and resumes it if not. */ /* take x_width - round up to type.length width */ lp_build_loop_begin(&loop_state[3], gallivm, lp_build_const_int32(gallivm, 0)); /* coroutine reentry loop */ lp_build_loop_begin(&loop_state[2], gallivm, lp_build_const_int32(gallivm, 0)); /* z loop */ lp_build_loop_begin(&loop_state[1], gallivm, lp_build_const_int32(gallivm, 0)); /* y loop */ lp_build_loop_begin(&loop_state[0], gallivm, lp_build_const_int32(gallivm, 0)); /* x loop */ { LLVMValueRef args[19]; args[0] = context_ptr; args[1] = loop_state[0].counter; args[2] = loop_state[1].counter; args[3] = loop_state[2].counter; args[4] = grid_x_arg; args[5] = grid_y_arg; args[6] = grid_z_arg; args[7] = grid_size_x_arg; args[8] = grid_size_y_arg; args[9] = grid_size_z_arg; args[10] = work_dim_arg; args[11] = thread_data_ptr; args[12] = num_x_loop; args[13] = partials; args[14] = x_size_arg; args[15] = y_size_arg; args[16] = z_size_arg; /* idx = (z * (size_x * size_y) + y * size_x + x */ LLVMValueRef coro_hdl_idx = LLVMBuildMul(gallivm->builder, loop_state[2].counter, LLVMBuildMul(gallivm->builder, num_x_loop, y_size_arg, ""), ""); coro_hdl_idx = LLVMBuildAdd(gallivm->builder, coro_hdl_idx, LLVMBuildMul(gallivm->builder, loop_state[1].counter, num_x_loop, ""), ""); coro_hdl_idx = LLVMBuildAdd(gallivm->builder, coro_hdl_idx, loop_state[0].counter, ""); args[17] = coro_hdl_idx; args[18] = coro_mem; LLVMValueRef coro_entry = LLVMBuildGEP(gallivm->builder, coro_hdls, &coro_hdl_idx, 1, ""); LLVMValueRef coro_hdl = LLVMBuildLoad(gallivm->builder, coro_entry, "coro_hdl"); struct lp_build_if_state ifstate; LLVMValueRef cmp = LLVMBuildICmp(gallivm->builder, LLVMIntEQ, loop_state[3].counter, lp_build_const_int32(gallivm, 0), ""); /* first time here - call the coroutine function entry point */ lp_build_if(&ifstate, gallivm, cmp); LLVMValueRef coro_ret = LLVMBuildCall(gallivm->builder, coro, args, 19, ""); LLVMBuildStore(gallivm->builder, coro_ret, coro_entry); lp_build_else(&ifstate); /* subsequent calls for this invocation - check if done. */ LLVMValueRef coro_done = lp_build_coro_done(gallivm, coro_hdl); struct lp_build_if_state ifstate2; lp_build_if(&ifstate2, gallivm, coro_done); /* if done destroy and force loop exit */ lp_build_coro_destroy(gallivm, coro_hdl); lp_build_loop_force_set_counter(&loop_state[3], lp_build_const_int32(gallivm, end_coroutine - 1)); lp_build_else(&ifstate2); /* otherwise resume the coroutine */ lp_build_coro_resume(gallivm, coro_hdl); lp_build_endif(&ifstate2); lp_build_endif(&ifstate); lp_build_loop_force_reload_counter(&loop_state[3]); } lp_build_loop_end_cond(&loop_state[0], num_x_loop, NULL, LLVMIntUGE); lp_build_loop_end_cond(&loop_state[1], y_size_arg, NULL, LLVMIntUGE); lp_build_loop_end_cond(&loop_state[2], z_size_arg, NULL, LLVMIntUGE); lp_build_loop_end_cond(&loop_state[3], lp_build_const_int32(gallivm, end_coroutine), NULL, LLVMIntEQ); LLVMValueRef coro_mem_ptr = LLVMBuildLoad(builder, coro_mem, ""); LLVMBuildCall(gallivm->builder, gallivm->coro_free_hook, &coro_mem_ptr, 1, ""); LLVMBuildRetVoid(builder); /* This is stage (b) - generate the compute shader code inside the coroutine. */ LLVMValueRef block_x_size_arg, block_y_size_arg, block_z_size_arg; context_ptr = LLVMGetParam(coro, 0); x_size_arg = LLVMGetParam(coro, 1); y_size_arg = LLVMGetParam(coro, 2); z_size_arg = LLVMGetParam(coro, 3); grid_x_arg = LLVMGetParam(coro, 4); grid_y_arg = LLVMGetParam(coro, 5); grid_z_arg = LLVMGetParam(coro, 6); grid_size_x_arg = LLVMGetParam(coro, 7); grid_size_y_arg = LLVMGetParam(coro, 8); grid_size_z_arg = LLVMGetParam(coro, 9); work_dim_arg = LLVMGetParam(coro, 10); thread_data_ptr = LLVMGetParam(coro, 11); num_x_loop = LLVMGetParam(coro, 12); partials = LLVMGetParam(coro, 13); block_x_size_arg = LLVMGetParam(coro, 14); block_y_size_arg = LLVMGetParam(coro, 15); block_z_size_arg = LLVMGetParam(coro, 16); LLVMValueRef coro_idx = LLVMGetParam(coro, 17); coro_mem = LLVMGetParam(coro, 18); block = LLVMAppendBasicBlockInContext(gallivm->context, coro, "entry"); LLVMPositionBuilderAtEnd(builder, block); { LLVMValueRef consts_ptr, num_consts_ptr; LLVMValueRef ssbo_ptr, num_ssbo_ptr; LLVMValueRef shared_ptr; LLVMValueRef kernel_args_ptr; struct lp_build_mask_context mask; struct lp_bld_tgsi_system_values system_values; memset(&system_values, 0, sizeof(system_values)); consts_ptr = lp_jit_cs_context_constants(gallivm, context_ptr); num_consts_ptr = lp_jit_cs_context_num_constants(gallivm, context_ptr); ssbo_ptr = lp_jit_cs_context_ssbos(gallivm, context_ptr); num_ssbo_ptr = lp_jit_cs_context_num_ssbos(gallivm, context_ptr); kernel_args_ptr = lp_jit_cs_context_kernel_args(gallivm, context_ptr); shared_ptr = lp_jit_cs_thread_data_shared(gallivm, thread_data_ptr); LLVMValueRef coro_num_hdls = LLVMBuildMul(gallivm->builder, num_x_loop, block_y_size_arg, ""); coro_num_hdls = LLVMBuildMul(gallivm->builder, coro_num_hdls, block_z_size_arg, ""); /* these are coroutine entrypoint necessities */ LLVMValueRef coro_id = lp_build_coro_id(gallivm); LLVMValueRef coro_entry = lp_build_coro_alloc_mem_array(gallivm, coro_mem, coro_idx, coro_num_hdls); LLVMValueRef alloced_ptr = LLVMBuildLoad(gallivm->builder, coro_mem, ""); alloced_ptr = LLVMBuildGEP(gallivm->builder, alloced_ptr, &coro_entry, 1, ""); LLVMValueRef coro_hdl = lp_build_coro_begin(gallivm, coro_id, alloced_ptr); LLVMValueRef has_partials = LLVMBuildICmp(gallivm->builder, LLVMIntNE, partials, lp_build_const_int32(gallivm, 0), ""); LLVMValueRef tid_vals[3]; LLVMValueRef tids_x[LP_MAX_VECTOR_LENGTH], tids_y[LP_MAX_VECTOR_LENGTH], tids_z[LP_MAX_VECTOR_LENGTH]; LLVMValueRef base_val = LLVMBuildMul(gallivm->builder, x_size_arg, vec_length, ""); for (i = 0; i < cs_type.length; i++) { tids_x[i] = LLVMBuildAdd(gallivm->builder, base_val, lp_build_const_int32(gallivm, i), ""); tids_y[i] = y_size_arg; tids_z[i] = z_size_arg; } tid_vals[0] = lp_build_gather_values(gallivm, tids_x, cs_type.length); tid_vals[1] = lp_build_gather_values(gallivm, tids_y, cs_type.length); tid_vals[2] = lp_build_gather_values(gallivm, tids_z, cs_type.length); system_values.thread_id = LLVMGetUndef(LLVMArrayType(LLVMVectorType(int32_type, cs_type.length), 3)); for (i = 0; i < 3; i++) system_values.thread_id = LLVMBuildInsertValue(builder, system_values.thread_id, tid_vals[i], i, ""); LLVMValueRef gtids[3] = { grid_x_arg, grid_y_arg, grid_z_arg }; system_values.block_id = LLVMGetUndef(LLVMVectorType(int32_type, 3)); for (i = 0; i < 3; i++) system_values.block_id = LLVMBuildInsertElement(builder, system_values.block_id, gtids[i], lp_build_const_int32(gallivm, i), ""); LLVMValueRef gstids[3] = { grid_size_x_arg, grid_size_y_arg, grid_size_z_arg }; system_values.grid_size = LLVMGetUndef(LLVMVectorType(int32_type, 3)); for (i = 0; i < 3; i++) system_values.grid_size = LLVMBuildInsertElement(builder, system_values.grid_size, gstids[i], lp_build_const_int32(gallivm, i), ""); system_values.work_dim = work_dim_arg; system_values.subgroup_id = coro_idx; system_values.num_subgroups = LLVMBuildMul(builder, num_x_loop, LLVMBuildMul(builder, block_y_size_arg, block_z_size_arg, ""), ""); LLVMValueRef bsize[3] = { block_x_size_arg, block_y_size_arg, block_z_size_arg }; system_values.block_size = LLVMGetUndef(LLVMVectorType(int32_type, 3)); for (i = 0; i < 3; i++) system_values.block_size = LLVMBuildInsertElement(builder, system_values.block_size, bsize[i], lp_build_const_int32(gallivm, i), ""); LLVMValueRef last_x_loop = LLVMBuildICmp(gallivm->builder, LLVMIntEQ, x_size_arg, LLVMBuildSub(gallivm->builder, num_x_loop, lp_build_const_int32(gallivm, 1), ""), ""); LLVMValueRef use_partial_mask = LLVMBuildAnd(gallivm->builder, last_x_loop, has_partials, ""); struct lp_build_if_state if_state; LLVMValueRef mask_val = lp_build_alloca(gallivm, LLVMVectorType(int32_type, cs_type.length), "mask"); LLVMValueRef full_mask_val = lp_build_const_int_vec(gallivm, cs_type, ~0); LLVMBuildStore(gallivm->builder, full_mask_val, mask_val); lp_build_if(&if_state, gallivm, use_partial_mask); struct lp_build_loop_state mask_loop_state; lp_build_loop_begin(&mask_loop_state, gallivm, partials); LLVMValueRef tmask_val = LLVMBuildLoad(gallivm->builder, mask_val, ""); tmask_val = LLVMBuildInsertElement(gallivm->builder, tmask_val, lp_build_const_int32(gallivm, 0), mask_loop_state.counter, ""); LLVMBuildStore(gallivm->builder, tmask_val, mask_val); lp_build_loop_end_cond(&mask_loop_state, vec_length, NULL, LLVMIntUGE); lp_build_endif(&if_state); mask_val = LLVMBuildLoad(gallivm->builder, mask_val, ""); lp_build_mask_begin(&mask, gallivm, cs_type, mask_val); struct lp_build_coro_suspend_info coro_info; LLVMBasicBlockRef sus_block = LLVMAppendBasicBlockInContext(gallivm->context, coro, "suspend"); LLVMBasicBlockRef clean_block = LLVMAppendBasicBlockInContext(gallivm->context, coro, "cleanup"); coro_info.suspend = sus_block; coro_info.cleanup = clean_block; struct lp_build_tgsi_params params; memset(¶ms, 0, sizeof(params)); params.type = cs_type; params.mask = &mask; params.consts_ptr = consts_ptr; params.const_sizes_ptr = num_consts_ptr; params.system_values = &system_values; params.context_ptr = context_ptr; params.sampler = sampler; params.info = &shader->info.base; params.ssbo_ptr = ssbo_ptr; params.ssbo_sizes_ptr = num_ssbo_ptr; params.image = image; params.shared_ptr = shared_ptr; params.coro = &coro_info; params.kernel_args = kernel_args_ptr; params.aniso_filter_table = lp_jit_cs_context_aniso_filter_table(gallivm, context_ptr); if (shader->base.type == PIPE_SHADER_IR_TGSI) lp_build_tgsi_soa(gallivm, shader->base.tokens, ¶ms, NULL); else lp_build_nir_soa(gallivm, shader->base.ir.nir, ¶ms, NULL); mask_val = lp_build_mask_end(&mask); lp_build_coro_suspend_switch(gallivm, &coro_info, NULL, true); LLVMPositionBuilderAtEnd(builder, clean_block); LLVMBuildBr(builder, sus_block); LLVMPositionBuilderAtEnd(builder, sus_block); lp_build_coro_end(gallivm, coro_hdl); LLVMBuildRet(builder, coro_hdl); } sampler->destroy(sampler); image->destroy(image); gallivm_verify_function(gallivm, coro); gallivm_verify_function(gallivm, function); } static void * llvmpipe_create_compute_state(struct pipe_context *pipe, const struct pipe_compute_state *templ) { struct lp_compute_shader *shader; int nr_samplers, nr_sampler_views; shader = CALLOC_STRUCT(lp_compute_shader); if (!shader) return NULL; shader->no = cs_no++; shader->base.type = templ->ir_type; shader->req_local_mem = templ->req_local_mem; if (templ->ir_type == PIPE_SHADER_IR_NIR_SERIALIZED) { struct blob_reader reader; const struct pipe_binary_program_header *hdr = templ->prog; blob_reader_init(&reader, hdr->blob, hdr->num_bytes); shader->base.ir.nir = nir_deserialize(NULL, pipe->screen->get_compiler_options(pipe->screen, PIPE_SHADER_IR_NIR, PIPE_SHADER_COMPUTE), &reader); shader->base.type = PIPE_SHADER_IR_NIR; pipe->screen->finalize_nir(pipe->screen, shader->base.ir.nir); shader->req_local_mem += ((struct nir_shader *)shader->base.ir.nir)->info.shared_size; } else if (templ->ir_type == PIPE_SHADER_IR_NIR) { shader->base.ir.nir = (struct nir_shader *)templ->prog; shader->req_local_mem += ((struct nir_shader *)shader->base.ir.nir)->info.shared_size; } if (shader->base.type == PIPE_SHADER_IR_TGSI) { /* get/save the summary info for this shader */ lp_build_tgsi_info(templ->prog, &shader->info); /* we need to keep a local copy of the tokens */ shader->base.tokens = tgsi_dup_tokens(templ->prog); } else { nir_tgsi_scan_shader(shader->base.ir.nir, &shader->info.base, false); } make_empty_list(&shader->variants); nr_samplers = shader->info.base.file_max[TGSI_FILE_SAMPLER] + 1; nr_sampler_views = shader->info.base.file_max[TGSI_FILE_SAMPLER_VIEW] + 1; int nr_images = shader->info.base.file_max[TGSI_FILE_IMAGE] + 1; shader->variant_key_size = lp_cs_variant_key_size(MAX2(nr_samplers, nr_sampler_views), nr_images); return shader; } static void llvmpipe_bind_compute_state(struct pipe_context *pipe, void *cs) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); if (llvmpipe->cs == cs) return; llvmpipe->cs = (struct lp_compute_shader *)cs; llvmpipe->cs_dirty |= LP_CSNEW_CS; } /** * Remove shader variant from two lists: the shader's variant list * and the context's variant list. */ static void llvmpipe_remove_cs_shader_variant(struct llvmpipe_context *lp, struct lp_compute_shader_variant *variant) { if ((LP_DEBUG & DEBUG_CS) || (gallivm_debug & GALLIVM_DEBUG_IR)) { debug_printf("llvmpipe: del cs #%u var %u v created %u v cached %u " "v total cached %u inst %u total inst %u\n", variant->shader->no, variant->no, variant->shader->variants_created, variant->shader->variants_cached, lp->nr_cs_variants, variant->nr_instrs, lp->nr_cs_instrs); } gallivm_destroy(variant->gallivm); /* remove from shader's list */ remove_from_list(&variant->list_item_local); variant->shader->variants_cached--; /* remove from context's list */ remove_from_list(&variant->list_item_global); lp->nr_cs_variants--; lp->nr_cs_instrs -= variant->nr_instrs; FREE(variant); } static void llvmpipe_delete_compute_state(struct pipe_context *pipe, void *cs) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); struct lp_compute_shader *shader = cs; struct lp_cs_variant_list_item *li; if (llvmpipe->cs == cs) llvmpipe->cs = NULL; for (unsigned i = 0; i < shader->max_global_buffers; i++) pipe_resource_reference(&shader->global_buffers[i], NULL); FREE(shader->global_buffers); /* Delete all the variants */ li = first_elem(&shader->variants); while(!at_end(&shader->variants, li)) { struct lp_cs_variant_list_item *next = next_elem(li); llvmpipe_remove_cs_shader_variant(llvmpipe, li->base); li = next; } if (shader->base.ir.nir) ralloc_free(shader->base.ir.nir); tgsi_free_tokens(shader->base.tokens); FREE(shader); } static struct lp_compute_shader_variant_key * make_variant_key(struct llvmpipe_context *lp, struct lp_compute_shader *shader, char *store) { int i; struct lp_compute_shader_variant_key *key; key = (struct lp_compute_shader_variant_key *)store; memset(key, 0, sizeof(*key)); /* This value will be the same for all the variants of a given shader: */ key->nr_samplers = shader->info.base.file_max[TGSI_FILE_SAMPLER] + 1; struct lp_sampler_static_state *cs_sampler; cs_sampler = lp_cs_variant_key_samplers(key); memset(cs_sampler, 0, MAX2(key->nr_samplers, key->nr_sampler_views) * sizeof *cs_sampler); for(i = 0; i < key->nr_samplers; ++i) { if(shader->info.base.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) { lp_sampler_static_sampler_state(&cs_sampler[i].sampler_state, lp->samplers[PIPE_SHADER_COMPUTE][i]); } } /* * XXX If TGSI_FILE_SAMPLER_VIEW exists assume all texture opcodes * are dx10-style? Can't really have mixed opcodes, at least not * if we want to skip the holes here (without rescanning tgsi). */ if (shader->info.base.file_max[TGSI_FILE_SAMPLER_VIEW] != -1) { key->nr_sampler_views = shader->info.base.file_max[TGSI_FILE_SAMPLER_VIEW] + 1; for(i = 0; i < key->nr_sampler_views; ++i) { /* * Note sview may exceed what's representable by file_mask. * This will still work, the only downside is that not actually * used views may be included in the shader key. */ if(shader->info.base.file_mask[TGSI_FILE_SAMPLER_VIEW] & (1u << (i & 31))) { lp_sampler_static_texture_state(&cs_sampler[i].texture_state, lp->sampler_views[PIPE_SHADER_COMPUTE][i]); } } } else { key->nr_sampler_views = key->nr_samplers; for(i = 0; i < key->nr_sampler_views; ++i) { if(shader->info.base.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) { lp_sampler_static_texture_state(&cs_sampler[i].texture_state, lp->sampler_views[PIPE_SHADER_COMPUTE][i]); } } } struct lp_image_static_state *lp_image; lp_image = lp_cs_variant_key_images(key); key->nr_images = shader->info.base.file_max[TGSI_FILE_IMAGE] + 1; for (i = 0; i < key->nr_images; ++i) { if (shader->info.base.file_mask[TGSI_FILE_IMAGE] & (1 << i)) { lp_sampler_static_texture_state_image(&lp_image[i].image_state, &lp->images[PIPE_SHADER_COMPUTE][i]); } } return key; } static void dump_cs_variant_key(const struct lp_compute_shader_variant_key *key) { int i; debug_printf("cs variant %p:\n", (void *) key); for (i = 0; i < key->nr_samplers; ++i) { const struct lp_sampler_static_state *samplers = lp_cs_variant_key_samplers(key); const struct lp_static_sampler_state *sampler = &samplers[i].sampler_state; debug_printf("sampler[%u] = \n", i); debug_printf(" .wrap = %s %s %s\n", util_str_tex_wrap(sampler->wrap_s, TRUE), util_str_tex_wrap(sampler->wrap_t, TRUE), util_str_tex_wrap(sampler->wrap_r, TRUE)); debug_printf(" .min_img_filter = %s\n", util_str_tex_filter(sampler->min_img_filter, TRUE)); debug_printf(" .min_mip_filter = %s\n", util_str_tex_mipfilter(sampler->min_mip_filter, TRUE)); debug_printf(" .mag_img_filter = %s\n", util_str_tex_filter(sampler->mag_img_filter, TRUE)); if (sampler->compare_mode != PIPE_TEX_COMPARE_NONE) debug_printf(" .compare_func = %s\n", util_str_func(sampler->compare_func, TRUE)); debug_printf(" .normalized_coords = %u\n", sampler->normalized_coords); debug_printf(" .min_max_lod_equal = %u\n", sampler->min_max_lod_equal); debug_printf(" .lod_bias_non_zero = %u\n", sampler->lod_bias_non_zero); debug_printf(" .apply_min_lod = %u\n", sampler->apply_min_lod); debug_printf(" .apply_max_lod = %u\n", sampler->apply_max_lod); debug_printf(" .aniso = %u\n", sampler->aniso); } for (i = 0; i < key->nr_sampler_views; ++i) { const struct lp_sampler_static_state *samplers = lp_cs_variant_key_samplers(key); const struct lp_static_texture_state *texture = &samplers[i].texture_state; debug_printf("texture[%u] = \n", i); debug_printf(" .format = %s\n", util_format_name(texture->format)); debug_printf(" .target = %s\n", util_str_tex_target(texture->target, TRUE)); debug_printf(" .level_zero_only = %u\n", texture->level_zero_only); debug_printf(" .pot = %u %u %u\n", texture->pot_width, texture->pot_height, texture->pot_depth); } struct lp_image_static_state *images = lp_cs_variant_key_images(key); for (i = 0; i < key->nr_images; ++i) { const struct lp_static_texture_state *image = &images[i].image_state; debug_printf("image[%u] = \n", i); debug_printf(" .format = %s\n", util_format_name(image->format)); debug_printf(" .target = %s\n", util_str_tex_target(image->target, TRUE)); debug_printf(" .level_zero_only = %u\n", image->level_zero_only); debug_printf(" .pot = %u %u %u\n", image->pot_width, image->pot_height, image->pot_depth); } } static void lp_debug_cs_variant(const struct lp_compute_shader_variant *variant) { debug_printf("llvmpipe: Compute shader #%u variant #%u:\n", variant->shader->no, variant->no); if (variant->shader->base.type == PIPE_SHADER_IR_TGSI) tgsi_dump(variant->shader->base.tokens, 0); else nir_print_shader(variant->shader->base.ir.nir, stderr); dump_cs_variant_key(&variant->key); debug_printf("\n"); } static void lp_cs_get_ir_cache_key(struct lp_compute_shader_variant *variant, unsigned char ir_sha1_cache_key[20]) { struct blob blob = { 0 }; unsigned ir_size; void *ir_binary; blob_init(&blob); nir_serialize(&blob, variant->shader->base.ir.nir, true); ir_binary = blob.data; ir_size = blob.size; struct mesa_sha1 ctx; _mesa_sha1_init(&ctx); _mesa_sha1_update(&ctx, &variant->key, variant->shader->variant_key_size); _mesa_sha1_update(&ctx, ir_binary, ir_size); _mesa_sha1_final(&ctx, ir_sha1_cache_key); blob_finish(&blob); } static struct lp_compute_shader_variant * generate_variant(struct llvmpipe_context *lp, struct lp_compute_shader *shader, const struct lp_compute_shader_variant_key *key) { struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); struct lp_compute_shader_variant *variant; char module_name[64]; unsigned char ir_sha1_cache_key[20]; struct lp_cached_code cached = { 0 }; bool needs_caching = false; variant = MALLOC(sizeof *variant + shader->variant_key_size - sizeof variant->key); if (!variant) return NULL; memset(variant, 0, sizeof(*variant)); snprintf(module_name, sizeof(module_name), "cs%u_variant%u", shader->no, shader->variants_created); variant->shader = shader; memcpy(&variant->key, key, shader->variant_key_size); if (shader->base.ir.nir) { lp_cs_get_ir_cache_key(variant, ir_sha1_cache_key); lp_disk_cache_find_shader(screen, &cached, ir_sha1_cache_key); if (!cached.data_size) needs_caching = true; } variant->gallivm = gallivm_create(module_name, lp->context, &cached); if (!variant->gallivm) { FREE(variant); return NULL; } variant->list_item_global.base = variant; variant->list_item_local.base = variant; variant->no = shader->variants_created++; if ((LP_DEBUG & DEBUG_CS) || (gallivm_debug & GALLIVM_DEBUG_IR)) { lp_debug_cs_variant(variant); } lp_jit_init_cs_types(variant); generate_compute(lp, shader, variant); gallivm_compile_module(variant->gallivm); lp_build_coro_add_malloc_hooks(variant->gallivm); variant->nr_instrs += lp_build_count_ir_module(variant->gallivm->module); variant->jit_function = (lp_jit_cs_func)gallivm_jit_function(variant->gallivm, variant->function); if (needs_caching) { lp_disk_cache_insert_shader(screen, &cached, ir_sha1_cache_key); } gallivm_free_ir(variant->gallivm); return variant; } static void lp_cs_ctx_set_cs_variant( struct lp_cs_context *csctx, struct lp_compute_shader_variant *variant) { csctx->cs.current.variant = variant; } static void llvmpipe_update_cs(struct llvmpipe_context *lp) { struct lp_compute_shader *shader = lp->cs; struct lp_compute_shader_variant_key *key; struct lp_compute_shader_variant *variant = NULL; struct lp_cs_variant_list_item *li; char store[LP_CS_MAX_VARIANT_KEY_SIZE]; key = make_variant_key(lp, shader, store); /* Search the variants for one which matches the key */ li = first_elem(&shader->variants); while(!at_end(&shader->variants, li)) { if(memcmp(&li->base->key, key, shader->variant_key_size) == 0) { variant = li->base; break; } li = next_elem(li); } if (variant) { /* Move this variant to the head of the list to implement LRU * deletion of shader's when we have too many. */ move_to_head(&lp->cs_variants_list, &variant->list_item_global); } else { /* variant not found, create it now */ int64_t t0, t1, dt; unsigned i; unsigned variants_to_cull; if (LP_DEBUG & DEBUG_CS) { debug_printf("%u variants,\t%u instrs,\t%u instrs/variant\n", lp->nr_cs_variants, lp->nr_cs_instrs, lp->nr_cs_variants ? lp->nr_cs_instrs / lp->nr_cs_variants : 0); } /* First, check if we've exceeded the max number of shader variants. * If so, free 6.25% of them (the least recently used ones). */ variants_to_cull = lp->nr_cs_variants >= LP_MAX_SHADER_VARIANTS ? LP_MAX_SHADER_VARIANTS / 16 : 0; if (variants_to_cull || lp->nr_cs_instrs >= LP_MAX_SHADER_INSTRUCTIONS) { if (gallivm_debug & GALLIVM_DEBUG_PERF) { debug_printf("Evicting CS: %u cs variants,\t%u total variants," "\t%u instrs,\t%u instrs/variant\n", shader->variants_cached, lp->nr_cs_variants, lp->nr_cs_instrs, lp->nr_cs_instrs / lp->nr_cs_variants); } /* * We need to re-check lp->nr_cs_variants because an arbitrarily large * number of shader variants (potentially all of them) could be * pending for destruction on flush. */ for (i = 0; i < variants_to_cull || lp->nr_cs_instrs >= LP_MAX_SHADER_INSTRUCTIONS; i++) { struct lp_cs_variant_list_item *item; if (is_empty_list(&lp->cs_variants_list)) { break; } item = last_elem(&lp->cs_variants_list); assert(item); assert(item->base); llvmpipe_remove_cs_shader_variant(lp, item->base); } } /* * Generate the new variant. */ t0 = os_time_get(); variant = generate_variant(lp, shader, key); t1 = os_time_get(); dt = t1 - t0; LP_COUNT_ADD(llvm_compile_time, dt); LP_COUNT_ADD(nr_llvm_compiles, 2); /* emit vs. omit in/out test */ /* Put the new variant into the list */ if (variant) { insert_at_head(&shader->variants, &variant->list_item_local); insert_at_head(&lp->cs_variants_list, &variant->list_item_global); lp->nr_cs_variants++; lp->nr_cs_instrs += variant->nr_instrs; shader->variants_cached++; } } /* Bind this variant */ lp_cs_ctx_set_cs_variant(lp->csctx, variant); } /** * Called during state validation when LP_CSNEW_SAMPLER_VIEW is set. */ static void lp_csctx_set_sampler_views(struct lp_cs_context *csctx, unsigned num, struct pipe_sampler_view **views) { unsigned i, max_tex_num; LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS); max_tex_num = MAX2(num, csctx->cs.current_tex_num); for (i = 0; i < max_tex_num; i++) { struct pipe_sampler_view *view = i < num ? views[i] : NULL; /* We are going to overwrite/unref the current texture further below. If * set, make sure to unmap its resource to avoid leaking previous * mapping. */ if (csctx->cs.current_tex[i]) llvmpipe_resource_unmap(csctx->cs.current_tex[i], 0, 0); if (view) { struct pipe_resource *res = view->texture; struct llvmpipe_resource *lp_tex = llvmpipe_resource(res); struct lp_jit_texture *jit_tex; jit_tex = &csctx->cs.current.jit_context.textures[i]; /* We're referencing the texture's internal data, so save a * reference to it. */ pipe_resource_reference(&csctx->cs.current_tex[i], res); if (!lp_tex->dt) { /* regular texture - csctx array of mipmap level offsets */ int j; unsigned first_level = 0; unsigned last_level = 0; if (llvmpipe_resource_is_texture(res)) { first_level = view->u.tex.first_level; last_level = view->u.tex.last_level; assert(first_level <= last_level); assert(last_level <= res->last_level); jit_tex->base = lp_tex->tex_data; } else { jit_tex->base = lp_tex->data; } if (LP_PERF & PERF_TEX_MEM) { /* use dummy tile memory */ jit_tex->base = lp_dummy_tile; jit_tex->width = TILE_SIZE/8; jit_tex->height = TILE_SIZE/8; jit_tex->depth = 1; jit_tex->first_level = 0; jit_tex->last_level = 0; jit_tex->mip_offsets[0] = 0; jit_tex->row_stride[0] = 0; jit_tex->img_stride[0] = 0; jit_tex->num_samples = 0; jit_tex->sample_stride = 0; } else { jit_tex->width = res->width0; jit_tex->height = res->height0; jit_tex->depth = res->depth0; jit_tex->first_level = first_level; jit_tex->last_level = last_level; jit_tex->num_samples = res->nr_samples; jit_tex->sample_stride = 0; if (llvmpipe_resource_is_texture(res)) { for (j = first_level; j <= last_level; j++) { jit_tex->mip_offsets[j] = lp_tex->mip_offsets[j]; jit_tex->row_stride[j] = lp_tex->row_stride[j]; jit_tex->img_stride[j] = lp_tex->img_stride[j]; } jit_tex->sample_stride = lp_tex->sample_stride; if (res->target == PIPE_TEXTURE_1D_ARRAY || res->target == PIPE_TEXTURE_2D_ARRAY || res->target == PIPE_TEXTURE_CUBE || res->target == PIPE_TEXTURE_CUBE_ARRAY) { /* * For array textures, we don't have first_layer, instead * adjust last_layer (stored as depth) plus the mip level offsets * (as we have mip-first layout can't just adjust base ptr). * XXX For mip levels, could do something similar. */ jit_tex->depth = view->u.tex.last_layer - view->u.tex.first_layer + 1; for (j = first_level; j <= last_level; j++) { jit_tex->mip_offsets[j] += view->u.tex.first_layer * lp_tex->img_stride[j]; } if (view->target == PIPE_TEXTURE_CUBE || view->target == PIPE_TEXTURE_CUBE_ARRAY) { assert(jit_tex->depth % 6 == 0); } assert(view->u.tex.first_layer <= view->u.tex.last_layer); assert(view->u.tex.last_layer < res->array_size); } } else { /* * For buffers, we don't have "offset", instead adjust * the size (stored as width) plus the base pointer. */ unsigned view_blocksize = util_format_get_blocksize(view->format); /* probably don't really need to fill that out */ jit_tex->mip_offsets[0] = 0; jit_tex->row_stride[0] = 0; jit_tex->img_stride[0] = 0; /* everything specified in number of elements here. */ jit_tex->width = view->u.buf.size / view_blocksize; jit_tex->base = (uint8_t *)jit_tex->base + view->u.buf.offset; /* XXX Unsure if we need to sanitize parameters? */ assert(view->u.buf.offset + view->u.buf.size <= res->width0); } } } else { /* display target texture/surface */ jit_tex->base = llvmpipe_resource_map(res, 0, 0, LP_TEX_USAGE_READ); jit_tex->row_stride[0] = lp_tex->row_stride[0]; jit_tex->img_stride[0] = lp_tex->img_stride[0]; jit_tex->mip_offsets[0] = 0; jit_tex->width = res->width0; jit_tex->height = res->height0; jit_tex->depth = res->depth0; jit_tex->first_level = jit_tex->last_level = 0; jit_tex->num_samples = res->nr_samples; jit_tex->sample_stride = 0; assert(jit_tex->base); } } else { pipe_resource_reference(&csctx->cs.current_tex[i], NULL); } } csctx->cs.current_tex_num = num; } /** * Called during state validation when LP_NEW_SAMPLER is set. */ static void lp_csctx_set_sampler_state(struct lp_cs_context *csctx, unsigned num, struct pipe_sampler_state **samplers) { unsigned i; LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); assert(num <= PIPE_MAX_SAMPLERS); for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { const struct pipe_sampler_state *sampler = i < num ? samplers[i] : NULL; if (sampler) { struct lp_jit_sampler *jit_sam; jit_sam = &csctx->cs.current.jit_context.samplers[i]; jit_sam->min_lod = sampler->min_lod; jit_sam->max_lod = sampler->max_lod; jit_sam->lod_bias = sampler->lod_bias; jit_sam->max_aniso = sampler->max_anisotropy; COPY_4V(jit_sam->border_color, sampler->border_color.f); } } } static void lp_csctx_set_cs_constants(struct lp_cs_context *csctx, unsigned num, struct pipe_constant_buffer *buffers) { unsigned i; LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) buffers); assert(num <= ARRAY_SIZE(csctx->constants)); for (i = 0; i < num; ++i) { util_copy_constant_buffer(&csctx->constants[i].current, &buffers[i], false); } for (; i < ARRAY_SIZE(csctx->constants); i++) { util_copy_constant_buffer(&csctx->constants[i].current, NULL, false); } } static void lp_csctx_set_cs_ssbos(struct lp_cs_context *csctx, unsigned num, struct pipe_shader_buffer *buffers) { int i; LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *)buffers); assert (num <= ARRAY_SIZE(csctx->ssbos)); for (i = 0; i < num; ++i) { util_copy_shader_buffer(&csctx->ssbos[i].current, &buffers[i]); } for (; i < ARRAY_SIZE(csctx->ssbos); i++) { util_copy_shader_buffer(&csctx->ssbos[i].current, NULL); } } static void lp_csctx_set_cs_images(struct lp_cs_context *csctx, unsigned num, struct pipe_image_view *images) { unsigned i; LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) images); assert(num <= ARRAY_SIZE(csctx->images)); for (i = 0; i < num; ++i) { struct pipe_image_view *image = &images[i]; util_copy_image_view(&csctx->images[i].current, &images[i]); struct pipe_resource *res = image->resource; struct llvmpipe_resource *lp_res = llvmpipe_resource(res); struct lp_jit_image *jit_image; jit_image = &csctx->cs.current.jit_context.images[i]; if (!lp_res) continue; if (!lp_res->dt) { /* regular texture - csctx array of mipmap level offsets */ if (llvmpipe_resource_is_texture(res)) { jit_image->base = lp_res->tex_data; } else jit_image->base = lp_res->data; jit_image->width = res->width0; jit_image->height = res->height0; jit_image->depth = res->depth0; jit_image->num_samples = res->nr_samples; if (llvmpipe_resource_is_texture(res)) { uint32_t mip_offset = lp_res->mip_offsets[image->u.tex.level]; const uint32_t bw = util_format_get_blockwidth(image->resource->format); const uint32_t bh = util_format_get_blockheight(image->resource->format); jit_image->width = DIV_ROUND_UP(jit_image->width, bw); jit_image->height = DIV_ROUND_UP(jit_image->height, bh); jit_image->width = u_minify(jit_image->width, image->u.tex.level); jit_image->height = u_minify(jit_image->height, image->u.tex.level); if (res->target == PIPE_TEXTURE_1D_ARRAY || res->target == PIPE_TEXTURE_2D_ARRAY || res->target == PIPE_TEXTURE_3D || res->target == PIPE_TEXTURE_CUBE || res->target == PIPE_TEXTURE_CUBE_ARRAY) { /* * For array textures, we don't have first_layer, instead * adjust last_layer (stored as depth) plus the mip level offsets * (as we have mip-first layout can't just adjust base ptr). * XXX For mip levels, could do something similar. */ jit_image->depth = image->u.tex.last_layer - image->u.tex.first_layer + 1; mip_offset += image->u.tex.first_layer * lp_res->img_stride[image->u.tex.level]; } else jit_image->depth = u_minify(jit_image->depth, image->u.tex.level); jit_image->row_stride = lp_res->row_stride[image->u.tex.level]; jit_image->img_stride = lp_res->img_stride[image->u.tex.level]; jit_image->sample_stride = lp_res->sample_stride; jit_image->base = (uint8_t *)jit_image->base + mip_offset; } else { unsigned view_blocksize = util_format_get_blocksize(image->format); jit_image->width = image->u.buf.size / view_blocksize; jit_image->base = (uint8_t *)jit_image->base + image->u.buf.offset; } } } for (; i < ARRAY_SIZE(csctx->images); i++) { util_copy_image_view(&csctx->images[i].current, NULL); } } static void update_csctx_consts(struct llvmpipe_context *llvmpipe) { struct lp_cs_context *csctx = llvmpipe->csctx; int i; for (i = 0; i < ARRAY_SIZE(csctx->constants); ++i) { struct pipe_resource *buffer = csctx->constants[i].current.buffer; const ubyte *current_data = NULL; unsigned current_size = csctx->constants[i].current.buffer_size; if (buffer) { /* resource buffer */ current_data = (ubyte *) llvmpipe_resource_data(buffer); } else if (csctx->constants[i].current.user_buffer) { /* user-space buffer */ current_data = (ubyte *) csctx->constants[i].current.user_buffer; } if (current_data && current_size >= sizeof(float)) { current_data += csctx->constants[i].current.buffer_offset; csctx->cs.current.jit_context.constants[i] = (const float *)current_data; csctx->cs.current.jit_context.num_constants[i] = DIV_ROUND_UP(csctx->constants[i].current.buffer_size, lp_get_constant_buffer_stride(llvmpipe->pipe.screen)); } else { static const float fake_const_buf[4]; csctx->cs.current.jit_context.constants[i] = fake_const_buf; csctx->cs.current.jit_context.num_constants[i] = 0; } } } static void update_csctx_ssbo(struct llvmpipe_context *llvmpipe) { struct lp_cs_context *csctx = llvmpipe->csctx; int i; for (i = 0; i < ARRAY_SIZE(csctx->ssbos); ++i) { struct pipe_resource *buffer = csctx->ssbos[i].current.buffer; const ubyte *current_data = NULL; if (!buffer) continue; /* resource buffer */ current_data = (ubyte *) llvmpipe_resource_data(buffer); if (current_data) { current_data += csctx->ssbos[i].current.buffer_offset; csctx->cs.current.jit_context.ssbos[i] = (const uint32_t *)current_data; csctx->cs.current.jit_context.num_ssbos[i] = csctx->ssbos[i].current.buffer_size; } else { csctx->cs.current.jit_context.ssbos[i] = NULL; csctx->cs.current.jit_context.num_ssbos[i] = 0; } } } static void llvmpipe_cs_update_derived(struct llvmpipe_context *llvmpipe, void *input) { if (llvmpipe->cs_dirty & LP_CSNEW_CONSTANTS) { lp_csctx_set_cs_constants(llvmpipe->csctx, ARRAY_SIZE(llvmpipe->constants[PIPE_SHADER_COMPUTE]), llvmpipe->constants[PIPE_SHADER_COMPUTE]); update_csctx_consts(llvmpipe); } if (llvmpipe->cs_dirty & LP_CSNEW_SSBOS) { lp_csctx_set_cs_ssbos(llvmpipe->csctx, ARRAY_SIZE(llvmpipe->ssbos[PIPE_SHADER_COMPUTE]), llvmpipe->ssbos[PIPE_SHADER_COMPUTE]); update_csctx_ssbo(llvmpipe); } if (llvmpipe->cs_dirty & LP_CSNEW_SAMPLER_VIEW) lp_csctx_set_sampler_views(llvmpipe->csctx, llvmpipe->num_sampler_views[PIPE_SHADER_COMPUTE], llvmpipe->sampler_views[PIPE_SHADER_COMPUTE]); if (llvmpipe->cs_dirty & LP_CSNEW_SAMPLER) lp_csctx_set_sampler_state(llvmpipe->csctx, llvmpipe->num_samplers[PIPE_SHADER_COMPUTE], llvmpipe->samplers[PIPE_SHADER_COMPUTE]); if (llvmpipe->cs_dirty & LP_CSNEW_IMAGES) lp_csctx_set_cs_images(llvmpipe->csctx, ARRAY_SIZE(llvmpipe->images[PIPE_SHADER_COMPUTE]), llvmpipe->images[PIPE_SHADER_COMPUTE]); struct lp_cs_context *csctx = llvmpipe->csctx; csctx->cs.current.jit_context.aniso_filter_table = lp_build_sample_aniso_filter_table(); if (input) { csctx->input = input; csctx->cs.current.jit_context.kernel_args = input; } if (llvmpipe->cs_dirty & (LP_CSNEW_CS | LP_CSNEW_IMAGES | LP_CSNEW_SAMPLER_VIEW | LP_CSNEW_SAMPLER)) llvmpipe_update_cs(llvmpipe); llvmpipe->cs_dirty = 0; } static void cs_exec_fn(void *init_data, int iter_idx, struct lp_cs_local_mem *lmem) { struct lp_cs_job_info *job_info = init_data; struct lp_jit_cs_thread_data thread_data; memset(&thread_data, 0, sizeof(thread_data)); if (lmem->local_size < job_info->req_local_mem) { lmem->local_mem_ptr = REALLOC(lmem->local_mem_ptr, lmem->local_size, job_info->req_local_mem); lmem->local_size = job_info->req_local_mem; } thread_data.shared = lmem->local_mem_ptr; unsigned grid_z = iter_idx / (job_info->grid_size[0] * job_info->grid_size[1]); unsigned grid_y = (iter_idx - (grid_z * (job_info->grid_size[0] * job_info->grid_size[1]))) / job_info->grid_size[0]; unsigned grid_x = (iter_idx - (grid_z * (job_info->grid_size[0] * job_info->grid_size[1])) - (grid_y * job_info->grid_size[0])); grid_z += job_info->grid_base[2]; grid_y += job_info->grid_base[1]; grid_x += job_info->grid_base[0]; struct lp_compute_shader_variant *variant = job_info->current->variant; variant->jit_function(&job_info->current->jit_context, job_info->block_size[0], job_info->block_size[1], job_info->block_size[2], grid_x, grid_y, grid_z, job_info->grid_size[0], job_info->grid_size[1], job_info->grid_size[2], job_info->work_dim, &thread_data); } static void fill_grid_size(struct pipe_context *pipe, const struct pipe_grid_info *info, uint32_t grid_size[3]) { struct pipe_transfer *transfer; uint32_t *params; if (!info->indirect) { grid_size[0] = info->grid[0]; grid_size[1] = info->grid[1]; grid_size[2] = info->grid[2]; return; } params = pipe_buffer_map_range(pipe, info->indirect, info->indirect_offset, 3 * sizeof(uint32_t), PIPE_MAP_READ, &transfer); if (!transfer) return; grid_size[0] = params[0]; grid_size[1] = params[1]; grid_size[2] = params[2]; pipe_buffer_unmap(pipe, transfer); } static void llvmpipe_launch_grid(struct pipe_context *pipe, const struct pipe_grid_info *info) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); struct lp_cs_job_info job_info; if (!llvmpipe_check_render_cond(llvmpipe)) return; memset(&job_info, 0, sizeof(job_info)); llvmpipe_cs_update_derived(llvmpipe, info->input); fill_grid_size(pipe, info, job_info.grid_size); job_info.grid_base[0] = info->grid_base[0]; job_info.grid_base[1] = info->grid_base[1]; job_info.grid_base[2] = info->grid_base[2]; job_info.block_size[0] = info->block[0]; job_info.block_size[1] = info->block[1]; job_info.block_size[2] = info->block[2]; job_info.work_dim = info->work_dim; job_info.req_local_mem = llvmpipe->cs->req_local_mem; job_info.current = &llvmpipe->csctx->cs.current; int num_tasks = job_info.grid_size[2] * job_info.grid_size[1] * job_info.grid_size[0]; if (num_tasks) { struct lp_cs_tpool_task *task; mtx_lock(&screen->cs_mutex); task = lp_cs_tpool_queue_task(screen->cs_tpool, cs_exec_fn, &job_info, num_tasks); mtx_unlock(&screen->cs_mutex); lp_cs_tpool_wait_for_task(screen->cs_tpool, &task); } llvmpipe->pipeline_statistics.cs_invocations += num_tasks * info->block[0] * info->block[1] * info->block[2]; } static void llvmpipe_set_compute_resources(struct pipe_context *pipe, unsigned start, unsigned count, struct pipe_surface **resources) { } static void llvmpipe_set_global_binding(struct pipe_context *pipe, unsigned first, unsigned count, struct pipe_resource **resources, uint32_t **handles) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); struct lp_compute_shader *cs = llvmpipe->cs; unsigned i; if (first + count > cs->max_global_buffers) { unsigned old_max = cs->max_global_buffers; cs->max_global_buffers = first + count; cs->global_buffers = realloc(cs->global_buffers, cs->max_global_buffers * sizeof(cs->global_buffers[0])); if (!cs->global_buffers) { return; } memset(&cs->global_buffers[old_max], 0, (cs->max_global_buffers - old_max) * sizeof(cs->global_buffers[0])); } if (!resources) { for (i = 0; i < count; i++) pipe_resource_reference(&cs->global_buffers[first + i], NULL); return; } for (i = 0; i < count; i++) { uintptr_t va; uint32_t offset; pipe_resource_reference(&cs->global_buffers[first + i], resources[i]); struct llvmpipe_resource *lp_res = llvmpipe_resource(resources[i]); offset = *handles[i]; va = (uintptr_t)((char *)lp_res->data + offset); memcpy(handles[i], &va, sizeof(va)); } } void llvmpipe_init_compute_funcs(struct llvmpipe_context *llvmpipe) { llvmpipe->pipe.create_compute_state = llvmpipe_create_compute_state; llvmpipe->pipe.bind_compute_state = llvmpipe_bind_compute_state; llvmpipe->pipe.delete_compute_state = llvmpipe_delete_compute_state; llvmpipe->pipe.set_compute_resources = llvmpipe_set_compute_resources; llvmpipe->pipe.set_global_binding = llvmpipe_set_global_binding; llvmpipe->pipe.launch_grid = llvmpipe_launch_grid; } void lp_csctx_destroy(struct lp_cs_context *csctx) { unsigned i; for (i = 0; i < ARRAY_SIZE(csctx->cs.current_tex); i++) { struct pipe_resource **res_ptr = &csctx->cs.current_tex[i]; if (*res_ptr) llvmpipe_resource_unmap(*res_ptr, 0, 0); pipe_resource_reference(res_ptr, NULL); } for (i = 0; i < ARRAY_SIZE(csctx->constants); i++) { pipe_resource_reference(&csctx->constants[i].current.buffer, NULL); } for (i = 0; i < ARRAY_SIZE(csctx->ssbos); i++) { pipe_resource_reference(&csctx->ssbos[i].current.buffer, NULL); } for (i = 0; i < ARRAY_SIZE(csctx->images); i++) { pipe_resource_reference(&csctx->images[i].current.resource, NULL); } FREE(csctx); } struct lp_cs_context *lp_csctx_create(struct pipe_context *pipe) { struct lp_cs_context *csctx; csctx = CALLOC_STRUCT(lp_cs_context); if (!csctx) return NULL; csctx->pipe = pipe; return csctx; }