544 lines
21 KiB
C++
544 lines
21 KiB
C++
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// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#include "state.h"
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#include "../../common/lexers/streamfilters.h"
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namespace embree
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{
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MutexSys g_printMutex;
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State::ErrorHandler State::g_errorHandler;
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State::ErrorHandler::ErrorHandler()
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: thread_error(createTls()) {}
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State::ErrorHandler::~ErrorHandler()
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{
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Lock<MutexSys> lock(errors_mutex);
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for (size_t i=0; i<thread_errors.size(); i++)
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delete thread_errors[i];
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destroyTls(thread_error);
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thread_errors.clear();
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}
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RTCError* State::ErrorHandler::error()
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{
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RTCError* stored_error = (RTCError*) getTls(thread_error);
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if (stored_error) return stored_error;
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Lock<MutexSys> lock(errors_mutex);
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stored_error = new RTCError(RTC_ERROR_NONE);
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thread_errors.push_back(stored_error);
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setTls(thread_error,stored_error);
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return stored_error;
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}
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State::State ()
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: enabled_cpu_features(getCPUFeatures()),
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enabled_builder_cpu_features(enabled_cpu_features),
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frequency_level(FREQUENCY_SIMD256)
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{
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tri_accel = "default";
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tri_builder = "default";
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tri_traverser = "default";
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tri_accel_mb = "default";
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tri_builder_mb = "default";
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tri_traverser_mb = "default";
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quad_accel = "default";
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quad_builder = "default";
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quad_traverser = "default";
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quad_accel_mb = "default";
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quad_builder_mb = "default";
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quad_traverser_mb = "default";
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line_accel = "default";
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line_builder = "default";
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line_traverser = "default";
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line_accel_mb = "default";
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line_builder_mb = "default";
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line_traverser_mb = "default";
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hair_accel = "default";
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hair_builder = "default";
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hair_traverser = "default";
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hair_accel_mb = "default";
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hair_builder_mb = "default";
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hair_traverser_mb = "default";
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object_accel = "default";
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object_builder = "default";
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object_accel_min_leaf_size = 1;
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object_accel_max_leaf_size = 1;
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object_accel_mb = "default";
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object_builder_mb = "default";
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object_accel_mb_min_leaf_size = 1;
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object_accel_mb_max_leaf_size = 1;
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max_spatial_split_replications = 1.2f;
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useSpatialPreSplits = false;
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tessellation_cache_size = 128*1024*1024;
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subdiv_accel = "default";
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subdiv_accel_mb = "default";
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grid_accel = "default";
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grid_builder = "default";
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grid_accel_mb = "default";
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grid_builder_mb = "default";
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instancing_open_min = 0;
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instancing_block_size = 0;
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instancing_open_factor = 8.0f;
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instancing_open_max_depth = 32;
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instancing_open_max = 50000000;
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ignore_config_files = false;
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float_exceptions = false;
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quality_flags = -1;
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scene_flags = -1;
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verbose = 0;
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benchmark = 0;
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numThreads = 0;
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numUserThreads = 0;
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#if TASKING_INTERNAL
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set_affinity = true;
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#else
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set_affinity = false;
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#endif
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/* per default enable affinity on KNL */
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if (hasISA(AVX512KNL)) set_affinity = true;
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start_threads = false;
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enable_selockmemoryprivilege = false;
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#if defined(__LINUX__)
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hugepages = true;
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#else
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hugepages = false;
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#endif
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hugepages_success = true;
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alloc_main_block_size = 0;
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alloc_num_main_slots = 0;
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alloc_thread_block_size = 0;
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alloc_single_thread_alloc = -1;
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error_function = nullptr;
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error_function_userptr = nullptr;
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memory_monitor_function = nullptr;
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memory_monitor_userptr = nullptr;
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}
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State::~State() {
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}
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bool State::hasISA(const int isa) {
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return (enabled_cpu_features & isa) == isa;
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}
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bool State::checkISASupport() {
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#if defined(__ARM_NEON)
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/*
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* NEON CPU type is a mixture of NEON and SSE2
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*/
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bool hasSSE2 = (getCPUFeatures() & enabled_cpu_features) & CPU_FEATURE_SSE2;
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/* this will be true when explicitly initialize Device with `isa=neon` config */
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bool hasNEON = (getCPUFeatures() & enabled_cpu_features) & CPU_FEATURE_NEON;
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return hasSSE2 || hasNEON;
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#else
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return (getCPUFeatures() & enabled_cpu_features) == enabled_cpu_features;
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#endif
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}
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void State::verify()
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{
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/* verify that calculations stay in range */
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assert(rcp(min_rcp_input)*FLT_LARGE+FLT_LARGE < 0.01f*FLT_MAX);
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/* here we verify that CPP files compiled for a specific ISA only
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* call that same or lower ISA version of non-inlined class member
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* functions */
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#if defined(DEBUG)
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#if defined(EMBREE_TARGET_SSE2)
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#if !defined(__ARM_NEON)
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assert(sse2::getISA() <= SSE2);
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#endif
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#endif
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#if defined(EMBREE_TARGET_SSE42)
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assert(sse42::getISA() <= SSE42);
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#endif
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#if defined(EMBREE_TARGET_AVX)
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assert(avx::getISA() <= AVX);
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#endif
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#if defined(EMBREE_TARGET_AVX2)
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assert(avx2::getISA() <= AVX2);
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#endif
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#if defined (EMBREE_TARGET_AVX512KNL)
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assert(avx512knl::getISA() <= AVX512KNL);
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#endif
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#if defined (EMBREE_TARGET_AVX512SKX)
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assert(avx512skx::getISA() <= AVX512SKX);
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#endif
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#endif
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}
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const char* symbols[3] = { "=", ",", "|" };
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bool State::parseFile(const FileName& fileName)
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{
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FILE* f = fopen(fileName.c_str(),"r");
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if (!f) return false;
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Ref<Stream<int> > file = new FileStream(f,fileName);
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std::vector<std::string> syms;
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for (size_t i=0; i<sizeof(symbols)/sizeof(void*); i++)
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syms.push_back(symbols[i]);
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Ref<TokenStream> cin = new TokenStream(new LineCommentFilter(file,"#"),
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TokenStream::alpha+TokenStream::ALPHA+TokenStream::numbers+"_.",
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TokenStream::separators,syms);
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parse(cin);
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return true;
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}
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void State::parseString(const char* cfg)
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{
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if (cfg == nullptr) return;
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std::vector<std::string> syms;
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for (size_t i=0; i<sizeof(symbols)/sizeof(void*); i++)
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syms.push_back(symbols[i]);
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Ref<TokenStream> cin = new TokenStream(new StrStream(cfg),
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TokenStream::alpha+TokenStream::ALPHA+TokenStream::numbers+"_.",
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TokenStream::separators,syms);
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parse(cin);
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}
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int string_to_cpufeatures(const std::string& isa)
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{
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if (isa == "sse" ) return SSE;
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else if (isa == "sse2") return SSE2;
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else if (isa == "sse3") return SSE3;
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else if (isa == "ssse3") return SSSE3;
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else if (isa == "sse41") return SSE41;
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else if (isa == "sse4.1") return SSE41;
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else if (isa == "sse42") return SSE42;
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else if (isa == "sse4.2") return SSE42;
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else if (isa == "avx") return AVX;
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else if (isa == "avxi") return AVXI;
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else if (isa == "avx2") return AVX2;
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else if (isa == "avx512knl") return AVX512KNL;
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else if (isa == "avx512skx") return AVX512SKX;
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else return SSE2;
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}
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void State::parse(Ref<TokenStream> cin)
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{
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/* parse until end of stream */
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while (cin->peek() != Token::Eof())
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{
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const Token tok = cin->get();
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if (tok == Token::Id("threads") && cin->trySymbol("="))
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numThreads = cin->get().Int();
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else if (tok == Token::Id("user_threads")&& cin->trySymbol("="))
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numUserThreads = cin->get().Int();
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else if (tok == Token::Id("set_affinity")&& cin->trySymbol("="))
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set_affinity = cin->get().Int();
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else if (tok == Token::Id("affinity")&& cin->trySymbol("="))
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set_affinity = cin->get().Int();
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else if (tok == Token::Id("start_threads")&& cin->trySymbol("="))
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start_threads = cin->get().Int();
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else if (tok == Token::Id("isa") && cin->trySymbol("=")) {
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std::string isa = toLowerCase(cin->get().Identifier());
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enabled_cpu_features = string_to_cpufeatures(isa);
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enabled_builder_cpu_features = enabled_cpu_features;
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}
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else if (tok == Token::Id("max_isa") && cin->trySymbol("=")) {
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std::string isa = toLowerCase(cin->get().Identifier());
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enabled_cpu_features &= string_to_cpufeatures(isa);
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enabled_builder_cpu_features &= enabled_cpu_features;
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}
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else if (tok == Token::Id("max_builder_isa") && cin->trySymbol("=")) {
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std::string isa = toLowerCase(cin->get().Identifier());
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enabled_builder_cpu_features &= string_to_cpufeatures(isa);
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}
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else if (tok == Token::Id("frequency_level") && cin->trySymbol("=")) {
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std::string freq = cin->get().Identifier();
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if (freq == "simd128") frequency_level = FREQUENCY_SIMD128;
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else if (freq == "simd256") frequency_level = FREQUENCY_SIMD256;
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else if (freq == "simd512") frequency_level = FREQUENCY_SIMD512;
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}
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else if (tok == Token::Id("enable_selockmemoryprivilege") && cin->trySymbol("=")) {
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enable_selockmemoryprivilege = cin->get().Int();
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}
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else if (tok == Token::Id("hugepages") && cin->trySymbol("=")) {
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hugepages = cin->get().Int();
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}
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else if (tok == Token::Id("ignore_config_files") && cin->trySymbol("="))
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ignore_config_files = cin->get().Int();
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else if (tok == Token::Id("float_exceptions") && cin->trySymbol("="))
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float_exceptions = cin->get().Int();
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else if ((tok == Token::Id("tri_accel") || tok == Token::Id("accel")) && cin->trySymbol("="))
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tri_accel = cin->get().Identifier();
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else if ((tok == Token::Id("tri_builder") || tok == Token::Id("builder")) && cin->trySymbol("="))
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tri_builder = cin->get().Identifier();
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else if ((tok == Token::Id("tri_traverser") || tok == Token::Id("traverser")) && cin->trySymbol("="))
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tri_traverser = cin->get().Identifier();
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else if ((tok == Token::Id("tri_accel_mb") || tok == Token::Id("accel_mb")) && cin->trySymbol("="))
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tri_accel_mb = cin->get().Identifier();
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else if ((tok == Token::Id("tri_builder_mb") || tok == Token::Id("builder_mb")) && cin->trySymbol("="))
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tri_builder_mb = cin->get().Identifier();
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else if ((tok == Token::Id("tri_traverser_mb") || tok == Token::Id("traverser_mb")) && cin->trySymbol("="))
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tri_traverser_mb = cin->get().Identifier();
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else if ((tok == Token::Id("quad_accel")) && cin->trySymbol("="))
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quad_accel = cin->get().Identifier();
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else if ((tok == Token::Id("quad_builder")) && cin->trySymbol("="))
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quad_builder = cin->get().Identifier();
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else if ((tok == Token::Id("quad_traverser")) && cin->trySymbol("="))
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quad_traverser = cin->get().Identifier();
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else if ((tok == Token::Id("quad_accel_mb")) && cin->trySymbol("="))
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quad_accel_mb = cin->get().Identifier();
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else if ((tok == Token::Id("quad_builder_mb")) && cin->trySymbol("="))
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quad_builder_mb = cin->get().Identifier();
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else if ((tok == Token::Id("quad_traverser_mb")) && cin->trySymbol("="))
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quad_traverser_mb = cin->get().Identifier();
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else if ((tok == Token::Id("line_accel")) && cin->trySymbol("="))
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line_accel = cin->get().Identifier();
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else if ((tok == Token::Id("line_builder")) && cin->trySymbol("="))
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line_builder = cin->get().Identifier();
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else if ((tok == Token::Id("line_traverser")) && cin->trySymbol("="))
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line_traverser = cin->get().Identifier();
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else if ((tok == Token::Id("line_accel_mb")) && cin->trySymbol("="))
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line_accel_mb = cin->get().Identifier();
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else if ((tok == Token::Id("line_builder_mb")) && cin->trySymbol("="))
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line_builder_mb = cin->get().Identifier();
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else if ((tok == Token::Id("line_traverser_mb")) && cin->trySymbol("="))
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line_traverser_mb = cin->get().Identifier();
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else if (tok == Token::Id("hair_accel") && cin->trySymbol("="))
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hair_accel = cin->get().Identifier();
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else if (tok == Token::Id("hair_builder") && cin->trySymbol("="))
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hair_builder = cin->get().Identifier();
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else if (tok == Token::Id("hair_traverser") && cin->trySymbol("="))
|
||
|
|
hair_traverser = cin->get().Identifier();
|
||
|
|
|
||
|
|
else if (tok == Token::Id("hair_accel_mb") && cin->trySymbol("="))
|
||
|
|
hair_accel_mb = cin->get().Identifier();
|
||
|
|
else if (tok == Token::Id("hair_builder_mb") && cin->trySymbol("="))
|
||
|
|
hair_builder_mb = cin->get().Identifier();
|
||
|
|
else if (tok == Token::Id("hair_traverser_mb") && cin->trySymbol("="))
|
||
|
|
hair_traverser_mb = cin->get().Identifier();
|
||
|
|
|
||
|
|
else if (tok == Token::Id("object_accel") && cin->trySymbol("="))
|
||
|
|
object_accel = cin->get().Identifier();
|
||
|
|
else if (tok == Token::Id("object_builder") && cin->trySymbol("="))
|
||
|
|
object_builder = cin->get().Identifier();
|
||
|
|
else if (tok == Token::Id("object_accel_min_leaf_size") && cin->trySymbol("="))
|
||
|
|
object_accel_min_leaf_size = cin->get().Int();
|
||
|
|
else if (tok == Token::Id("object_accel_max_leaf_size") && cin->trySymbol("="))
|
||
|
|
object_accel_max_leaf_size = cin->get().Int();
|
||
|
|
|
||
|
|
else if (tok == Token::Id("object_accel_mb") && cin->trySymbol("="))
|
||
|
|
object_accel_mb = cin->get().Identifier();
|
||
|
|
else if (tok == Token::Id("object_builder_mb") && cin->trySymbol("="))
|
||
|
|
object_builder_mb = cin->get().Identifier();
|
||
|
|
else if (tok == Token::Id("object_accel_mb_min_leaf_size") && cin->trySymbol("="))
|
||
|
|
object_accel_mb_min_leaf_size = cin->get().Int();
|
||
|
|
else if (tok == Token::Id("object_accel_mb_max_leaf_size") && cin->trySymbol("="))
|
||
|
|
object_accel_mb_max_leaf_size = cin->get().Int();
|
||
|
|
|
||
|
|
else if (tok == Token::Id("instancing_open_min") && cin->trySymbol("="))
|
||
|
|
instancing_open_min = cin->get().Int();
|
||
|
|
else if (tok == Token::Id("instancing_block_size") && cin->trySymbol("=")) {
|
||
|
|
instancing_block_size = cin->get().Int();
|
||
|
|
instancing_open_factor = 0.0f;
|
||
|
|
}
|
||
|
|
else if (tok == Token::Id("instancing_open_max_depth") && cin->trySymbol("="))
|
||
|
|
instancing_open_max_depth = cin->get().Int();
|
||
|
|
else if (tok == Token::Id("instancing_open_factor") && cin->trySymbol("=")) {
|
||
|
|
instancing_block_size = 0;
|
||
|
|
instancing_open_factor = cin->get().Float();
|
||
|
|
}
|
||
|
|
else if (tok == Token::Id("instancing_open_max") && cin->trySymbol("="))
|
||
|
|
instancing_open_max = cin->get().Int();
|
||
|
|
|
||
|
|
else if (tok == Token::Id("subdiv_accel") && cin->trySymbol("="))
|
||
|
|
subdiv_accel = cin->get().Identifier();
|
||
|
|
else if (tok == Token::Id("subdiv_accel_mb") && cin->trySymbol("="))
|
||
|
|
subdiv_accel_mb = cin->get().Identifier();
|
||
|
|
|
||
|
|
else if (tok == Token::Id("grid_accel") && cin->trySymbol("="))
|
||
|
|
grid_accel = cin->get().Identifier();
|
||
|
|
else if (tok == Token::Id("grid_accel_mb") && cin->trySymbol("="))
|
||
|
|
grid_accel_mb = cin->get().Identifier();
|
||
|
|
|
||
|
|
else if (tok == Token::Id("verbose") && cin->trySymbol("="))
|
||
|
|
verbose = cin->get().Int();
|
||
|
|
else if (tok == Token::Id("benchmark") && cin->trySymbol("="))
|
||
|
|
benchmark = cin->get().Int();
|
||
|
|
|
||
|
|
else if (tok == Token::Id("quality")) {
|
||
|
|
if (cin->trySymbol("=")) {
|
||
|
|
Token flag = cin->get();
|
||
|
|
if (flag == Token::Id("low")) quality_flags = RTC_BUILD_QUALITY_LOW;
|
||
|
|
else if (flag == Token::Id("medium")) quality_flags = RTC_BUILD_QUALITY_MEDIUM;
|
||
|
|
else if (flag == Token::Id("high")) quality_flags = RTC_BUILD_QUALITY_HIGH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
else if (tok == Token::Id("scene_flags")) {
|
||
|
|
scene_flags = 0;
|
||
|
|
if (cin->trySymbol("=")) {
|
||
|
|
do {
|
||
|
|
Token flag = cin->get();
|
||
|
|
if (flag == Token::Id("dynamic") ) scene_flags |= RTC_SCENE_FLAG_DYNAMIC;
|
||
|
|
else if (flag == Token::Id("compact")) scene_flags |= RTC_SCENE_FLAG_COMPACT;
|
||
|
|
else if (flag == Token::Id("robust")) scene_flags |= RTC_SCENE_FLAG_ROBUST;
|
||
|
|
} while (cin->trySymbol("|"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
else if (tok == Token::Id("max_spatial_split_replications") && cin->trySymbol("="))
|
||
|
|
max_spatial_split_replications = cin->get().Float();
|
||
|
|
|
||
|
|
else if (tok == Token::Id("presplits") && cin->trySymbol("="))
|
||
|
|
useSpatialPreSplits = cin->get().Int() != 0 ? true : false;
|
||
|
|
|
||
|
|
else if (tok == Token::Id("tessellation_cache_size") && cin->trySymbol("="))
|
||
|
|
tessellation_cache_size = size_t(cin->get().Float()*1024.0f*1024.0f);
|
||
|
|
else if (tok == Token::Id("cache_size") && cin->trySymbol("="))
|
||
|
|
tessellation_cache_size = size_t(cin->get().Float()*1024.0f*1024.0f);
|
||
|
|
|
||
|
|
else if (tok == Token::Id("alloc_main_block_size") && cin->trySymbol("="))
|
||
|
|
alloc_main_block_size = cin->get().Int();
|
||
|
|
else if (tok == Token::Id("alloc_num_main_slots") && cin->trySymbol("="))
|
||
|
|
alloc_num_main_slots = cin->get().Int();
|
||
|
|
else if (tok == Token::Id("alloc_thread_block_size") && cin->trySymbol("="))
|
||
|
|
alloc_thread_block_size = cin->get().Int();
|
||
|
|
else if (tok == Token::Id("alloc_single_thread_alloc") && cin->trySymbol("="))
|
||
|
|
alloc_single_thread_alloc = cin->get().Int();
|
||
|
|
|
||
|
|
cin->trySymbol(","); // optional , separator
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bool State::verbosity(size_t N) {
|
||
|
|
return N <= verbose;
|
||
|
|
}
|
||
|
|
|
||
|
|
void State::print()
|
||
|
|
{
|
||
|
|
std::cout << "general:" << std::endl;
|
||
|
|
std::cout << " build threads = " << numThreads << std::endl;
|
||
|
|
std::cout << " build user threads = " << numUserThreads << std::endl;
|
||
|
|
std::cout << " start_threads = " << start_threads << std::endl;
|
||
|
|
std::cout << " affinity = " << set_affinity << std::endl;
|
||
|
|
std::cout << " frequency_level = ";
|
||
|
|
switch (frequency_level) {
|
||
|
|
case FREQUENCY_SIMD128: std::cout << "simd128" << std::endl; break;
|
||
|
|
case FREQUENCY_SIMD256: std::cout << "simd256" << std::endl; break;
|
||
|
|
case FREQUENCY_SIMD512: std::cout << "simd512" << std::endl; break;
|
||
|
|
default: std::cout << "error" << std::endl; break;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::cout << " hugepages = ";
|
||
|
|
if (!hugepages) std::cout << "disabled" << std::endl;
|
||
|
|
else if (hugepages_success) std::cout << "enabled" << std::endl;
|
||
|
|
else std::cout << "failed" << std::endl;
|
||
|
|
|
||
|
|
std::cout << " verbosity = " << verbose << std::endl;
|
||
|
|
std::cout << " cache_size = " << float(tessellation_cache_size)*1E-6 << " MB" << std::endl;
|
||
|
|
std::cout << " max_spatial_split_replications = " << max_spatial_split_replications << std::endl;
|
||
|
|
|
||
|
|
std::cout << "triangles:" << std::endl;
|
||
|
|
std::cout << " accel = " << tri_accel << std::endl;
|
||
|
|
std::cout << " builder = " << tri_builder << std::endl;
|
||
|
|
std::cout << " traverser = " << tri_traverser << std::endl;
|
||
|
|
|
||
|
|
std::cout << "motion blur triangles:" << std::endl;
|
||
|
|
std::cout << " accel = " << tri_accel_mb << std::endl;
|
||
|
|
std::cout << " builder = " << tri_builder_mb << std::endl;
|
||
|
|
std::cout << " traverser = " << tri_traverser_mb << std::endl;
|
||
|
|
|
||
|
|
std::cout << "quads:" << std::endl;
|
||
|
|
std::cout << " accel = " << quad_accel << std::endl;
|
||
|
|
std::cout << " builder = " << quad_builder << std::endl;
|
||
|
|
std::cout << " traverser = " << quad_traverser << std::endl;
|
||
|
|
|
||
|
|
std::cout << "motion blur quads:" << std::endl;
|
||
|
|
std::cout << " accel = " << quad_accel_mb << std::endl;
|
||
|
|
std::cout << " builder = " << quad_builder_mb << std::endl;
|
||
|
|
std::cout << " traverser = " << quad_traverser_mb << std::endl;
|
||
|
|
|
||
|
|
std::cout << "line segments:" << std::endl;
|
||
|
|
std::cout << " accel = " << line_accel << std::endl;
|
||
|
|
std::cout << " builder = " << line_builder << std::endl;
|
||
|
|
std::cout << " traverser = " << line_traverser << std::endl;
|
||
|
|
|
||
|
|
std::cout << "motion blur line segments:" << std::endl;
|
||
|
|
std::cout << " accel = " << line_accel_mb << std::endl;
|
||
|
|
std::cout << " builder = " << line_builder_mb << std::endl;
|
||
|
|
std::cout << " traverser = " << line_traverser_mb << std::endl;
|
||
|
|
|
||
|
|
std::cout << "hair:" << std::endl;
|
||
|
|
std::cout << " accel = " << hair_accel << std::endl;
|
||
|
|
std::cout << " builder = " << hair_builder << std::endl;
|
||
|
|
std::cout << " traverser = " << hair_traverser << std::endl;
|
||
|
|
|
||
|
|
std::cout << "motion blur hair:" << std::endl;
|
||
|
|
std::cout << " accel = " << hair_accel_mb << std::endl;
|
||
|
|
std::cout << " builder = " << hair_builder_mb << std::endl;
|
||
|
|
std::cout << " traverser = " << hair_traverser_mb << std::endl;
|
||
|
|
|
||
|
|
std::cout << "subdivision surfaces:" << std::endl;
|
||
|
|
std::cout << " accel = " << subdiv_accel << std::endl;
|
||
|
|
|
||
|
|
std::cout << "grids:" << std::endl;
|
||
|
|
std::cout << " accel = " << grid_accel << std::endl;
|
||
|
|
std::cout << " builder = " << grid_builder << std::endl;
|
||
|
|
|
||
|
|
std::cout << "motion blur grids:" << std::endl;
|
||
|
|
std::cout << " accel = " << grid_accel_mb << std::endl;
|
||
|
|
std::cout << " builder = " << grid_builder_mb << std::endl;
|
||
|
|
|
||
|
|
std::cout << "object_accel:" << std::endl;
|
||
|
|
std::cout << " min_leaf_size = " << object_accel_min_leaf_size << std::endl;
|
||
|
|
std::cout << " max_leaf_size = " << object_accel_max_leaf_size << std::endl;
|
||
|
|
|
||
|
|
std::cout << "object_accel_mb:" << std::endl;
|
||
|
|
std::cout << " min_leaf_size = " << object_accel_mb_min_leaf_size << std::endl;
|
||
|
|
std::cout << " max_leaf_size = " << object_accel_mb_max_leaf_size << std::endl;
|
||
|
|
}
|
||
|
|
}
|