godot/thirdparty/embree/kernels/common/state.cpp

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// Copyright 2009-2021 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
#include "state.h"
#include "../../common/lexers/streamfilters.h"
namespace embree
{
MutexSys g_printMutex;
State::ErrorHandler State::g_errorHandler;
State::ErrorHandler::ErrorHandler()
: thread_error(createTls()) {}
State::ErrorHandler::~ErrorHandler()
{
Lock<MutexSys> lock(errors_mutex);
for (size_t i=0; i<thread_errors.size(); i++)
delete thread_errors[i];
destroyTls(thread_error);
thread_errors.clear();
}
RTCError* State::ErrorHandler::error()
{
RTCError* stored_error = (RTCError*) getTls(thread_error);
if (stored_error) return stored_error;
Lock<MutexSys> lock(errors_mutex);
stored_error = new RTCError(RTC_ERROR_NONE);
thread_errors.push_back(stored_error);
setTls(thread_error,stored_error);
return stored_error;
}
State::State ()
: enabled_cpu_features(getCPUFeatures()),
enabled_builder_cpu_features(enabled_cpu_features),
frequency_level(FREQUENCY_SIMD256)
{
tri_accel = "default";
tri_builder = "default";
tri_traverser = "default";
tri_accel_mb = "default";
tri_builder_mb = "default";
tri_traverser_mb = "default";
quad_accel = "default";
quad_builder = "default";
quad_traverser = "default";
quad_accel_mb = "default";
quad_builder_mb = "default";
quad_traverser_mb = "default";
line_accel = "default";
line_builder = "default";
line_traverser = "default";
line_accel_mb = "default";
line_builder_mb = "default";
line_traverser_mb = "default";
hair_accel = "default";
hair_builder = "default";
hair_traverser = "default";
hair_accel_mb = "default";
hair_builder_mb = "default";
hair_traverser_mb = "default";
object_accel = "default";
object_builder = "default";
object_accel_min_leaf_size = 1;
object_accel_max_leaf_size = 1;
object_accel_mb = "default";
object_builder_mb = "default";
object_accel_mb_min_leaf_size = 1;
object_accel_mb_max_leaf_size = 1;
max_spatial_split_replications = 1.2f;
useSpatialPreSplits = false;
tessellation_cache_size = 128*1024*1024;
subdiv_accel = "default";
subdiv_accel_mb = "default";
grid_accel = "default";
grid_builder = "default";
grid_accel_mb = "default";
grid_builder_mb = "default";
instancing_open_min = 0;
instancing_block_size = 0;
instancing_open_factor = 8.0f;
instancing_open_max_depth = 32;
instancing_open_max = 50000000;
float_exceptions = false;
quality_flags = -1;
scene_flags = -1;
verbose = 0;
benchmark = 0;
numThreads = 0;
numUserThreads = 0;
#if TASKING_INTERNAL
set_affinity = true;
#else
set_affinity = false;
#endif
start_threads = false;
enable_selockmemoryprivilege = false;
#if defined(__LINUX__)
hugepages = true;
#else
hugepages = false;
#endif
hugepages_success = true;
alloc_main_block_size = 0;
alloc_num_main_slots = 0;
alloc_thread_block_size = 0;
alloc_single_thread_alloc = -1;
error_function = nullptr;
error_function_userptr = nullptr;
memory_monitor_function = nullptr;
memory_monitor_userptr = nullptr;
}
State::~State() {
}
bool State::hasISA(const int isa) {
return (enabled_cpu_features & isa) == isa;
}
bool State::checkISASupport() {
#if defined(__ARM_NEON)
/*
* NEON CPU type is a mixture of NEON and SSE2
*/
bool hasSSE2 = (getCPUFeatures() & enabled_cpu_features) & CPU_FEATURE_SSE2;
/* this will be true when explicitly initialize Device with `isa=neon` config */
bool hasNEON = (getCPUFeatures() & enabled_cpu_features) & CPU_FEATURE_NEON;
return hasSSE2 || hasNEON;
#else
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return (getCPUFeatures() & enabled_cpu_features) == enabled_cpu_features;
#endif
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}
void State::verify()
{
/* verify that calculations stay in range */
assert(rcp(min_rcp_input)*FLT_LARGE+FLT_LARGE < 0.01f*FLT_MAX);
/* here we verify that CPP files compiled for a specific ISA only
* call that same or lower ISA version of non-inlined class member
* functions */
#if defined(DEBUG)
#if defined(EMBREE_TARGET_SSE2)
#if !defined(__ARM_NEON)
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assert(sse2::getISA() <= SSE2);
#endif
#endif
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#if defined(EMBREE_TARGET_SSE42)
assert(sse42::getISA() <= SSE42);
#endif
#if defined(EMBREE_TARGET_AVX)
assert(avx::getISA() <= AVX);
#endif
#if defined(EMBREE_TARGET_AVX2)
assert(avx2::getISA() <= AVX2);
#endif
#if defined (EMBREE_TARGET_AVX512)
assert(avx512::getISA() <= AVX512);
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#endif
#endif
}
const char* symbols[3] = { "=", ",", "|" };
bool State::parseFile(const FileName& fileName)
{
FILE* f = fopen(fileName.c_str(),"r");
if (!f) return false;
Ref<Stream<int> > file = new FileStream(f,fileName);
std::vector<std::string> syms;
for (size_t i=0; i<sizeof(symbols)/sizeof(void*); i++)
syms.push_back(symbols[i]);
Ref<TokenStream> cin = new TokenStream(new LineCommentFilter(file,"#"),
TokenStream::alpha+TokenStream::ALPHA+TokenStream::numbers+"_.",
TokenStream::separators,syms);
parse(cin);
return true;
}
void State::parseString(const char* cfg)
{
if (cfg == nullptr) return;
std::vector<std::string> syms;
for (size_t i=0; i<sizeof(symbols)/sizeof(void*); i++)
syms.push_back(symbols[i]);
Ref<TokenStream> cin = new TokenStream(new StrStream(cfg),
TokenStream::alpha+TokenStream::ALPHA+TokenStream::numbers+"_.",
TokenStream::separators,syms);
parse(cin);
}
int string_to_cpufeatures(const std::string& isa)
{
if (isa == "sse" ) return SSE;
else if (isa == "sse2") return SSE2;
else if (isa == "sse3") return SSE3;
else if (isa == "ssse3") return SSSE3;
else if (isa == "sse41") return SSE41;
else if (isa == "sse4.1") return SSE41;
else if (isa == "sse42") return SSE42;
else if (isa == "sse4.2") return SSE42;
else if (isa == "avx") return AVX;
else if (isa == "avxi") return AVXI;
else if (isa == "avx2") return AVX2;
else if (isa == "avx512") return AVX512;
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else return SSE2;
}
void State::parse(Ref<TokenStream> cin)
{
/* parse until end of stream */
while (cin->peek() != Token::Eof())
{
const Token tok = cin->get();
if (tok == Token::Id("threads") && cin->trySymbol("="))
numThreads = cin->get().Int();
else if (tok == Token::Id("user_threads")&& cin->trySymbol("="))
numUserThreads = cin->get().Int();
else if (tok == Token::Id("set_affinity")&& cin->trySymbol("="))
set_affinity = cin->get().Int();
else if (tok == Token::Id("affinity")&& cin->trySymbol("="))
set_affinity = cin->get().Int();
else if (tok == Token::Id("start_threads")&& cin->trySymbol("="))
start_threads = cin->get().Int();
else if (tok == Token::Id("isa") && cin->trySymbol("=")) {
std::string isa_str = toLowerCase(cin->get().Identifier());
enabled_cpu_features = string_to_cpufeatures(isa_str);
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enabled_builder_cpu_features = enabled_cpu_features;
}
else if (tok == Token::Id("max_isa") && cin->trySymbol("=")) {
std::string isa_str = toLowerCase(cin->get().Identifier());
enabled_cpu_features &= string_to_cpufeatures(isa_str);
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enabled_builder_cpu_features &= enabled_cpu_features;
}
else if (tok == Token::Id("max_builder_isa") && cin->trySymbol("=")) {
std::string isa_str = toLowerCase(cin->get().Identifier());
enabled_builder_cpu_features &= string_to_cpufeatures(isa_str);
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}
else if (tok == Token::Id("frequency_level") && cin->trySymbol("=")) {
std::string freq = cin->get().Identifier();
if (freq == "simd128") frequency_level = FREQUENCY_SIMD128;
else if (freq == "simd256") frequency_level = FREQUENCY_SIMD256;
else if (freq == "simd512") frequency_level = FREQUENCY_SIMD512;
}
else if (tok == Token::Id("enable_selockmemoryprivilege") && cin->trySymbol("=")) {
enable_selockmemoryprivilege = cin->get().Int();
}
else if (tok == Token::Id("hugepages") && cin->trySymbol("=")) {
hugepages = cin->get().Int();
}
else if (tok == Token::Id("float_exceptions") && cin->trySymbol("="))
float_exceptions = cin->get().Int();
else if ((tok == Token::Id("tri_accel") || tok == Token::Id("accel")) && cin->trySymbol("="))
tri_accel = cin->get().Identifier();
else if ((tok == Token::Id("tri_builder") || tok == Token::Id("builder")) && cin->trySymbol("="))
tri_builder = cin->get().Identifier();
else if ((tok == Token::Id("tri_traverser") || tok == Token::Id("traverser")) && cin->trySymbol("="))
tri_traverser = cin->get().Identifier();
else if ((tok == Token::Id("tri_accel_mb") || tok == Token::Id("accel_mb")) && cin->trySymbol("="))
tri_accel_mb = cin->get().Identifier();
else if ((tok == Token::Id("tri_builder_mb") || tok == Token::Id("builder_mb")) && cin->trySymbol("="))
tri_builder_mb = cin->get().Identifier();
else if ((tok == Token::Id("tri_traverser_mb") || tok == Token::Id("traverser_mb")) && cin->trySymbol("="))
tri_traverser_mb = cin->get().Identifier();
else if ((tok == Token::Id("quad_accel")) && cin->trySymbol("="))
quad_accel = cin->get().Identifier();
else if ((tok == Token::Id("quad_builder")) && cin->trySymbol("="))
quad_builder = cin->get().Identifier();
else if ((tok == Token::Id("quad_traverser")) && cin->trySymbol("="))
quad_traverser = cin->get().Identifier();
else if ((tok == Token::Id("quad_accel_mb")) && cin->trySymbol("="))
quad_accel_mb = cin->get().Identifier();
else if ((tok == Token::Id("quad_builder_mb")) && cin->trySymbol("="))
quad_builder_mb = cin->get().Identifier();
else if ((tok == Token::Id("quad_traverser_mb")) && cin->trySymbol("="))
quad_traverser_mb = cin->get().Identifier();
else if ((tok == Token::Id("line_accel")) && cin->trySymbol("="))
line_accel = cin->get().Identifier();
else if ((tok == Token::Id("line_builder")) && cin->trySymbol("="))
line_builder = cin->get().Identifier();
else if ((tok == Token::Id("line_traverser")) && cin->trySymbol("="))
line_traverser = cin->get().Identifier();
else if ((tok == Token::Id("line_accel_mb")) && cin->trySymbol("="))
line_accel_mb = cin->get().Identifier();
else if ((tok == Token::Id("line_builder_mb")) && cin->trySymbol("="))
line_builder_mb = cin->get().Identifier();
else if ((tok == Token::Id("line_traverser_mb")) && cin->trySymbol("="))
line_traverser_mb = cin->get().Identifier();
else if (tok == Token::Id("hair_accel") && cin->trySymbol("="))
hair_accel = cin->get().Identifier();
else if (tok == Token::Id("hair_builder") && cin->trySymbol("="))
hair_builder = cin->get().Identifier();
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;
}
}