Dqn/Core/dn_core.cpp
2025-05-12 17:09:03 +10:00

92 lines
3.7 KiB
C++

static DN_Core *g_dn_core;
DN_API void DN_Core_Init(DN_Core *core, DN_CoreOnInit on_init)
{
DN_Assert(g_dn_os_core_);
g_dn_core = core;
// NOTE Initialise fields //////////////////////////////////////////////////////////////////////
#if !defined(DN_NO_PROFILER)
core->profiler = &core->profiler_default_instance;
#endif
#if defined(DN_LEAK_TRACKING)
// NOTE: Setup the allocation table with allocation tracking turned off on
// the arena we're using to initialise the table.
core->alloc_table_arena = DN_Arena_InitFromOSVMem(DN_Megabytes(1), DN_Kilobytes(512), DN_ArenaFlags_NoAllocTrack | DN_ArenaFlags_AllocCanLeak);
core->alloc_table = DN_DSMap_Init<DN_DebugAlloc>(&core->alloc_table_arena, 4096, DN_DSMapFlags_Nil);
#endif
// NOTE: Print out init features ///////////////////////////////////////////////////////////////
DN_OSTLSTMem tmem = DN_OS_TLSPushTMem(nullptr);
DN_Str8Builder builder = DN_Str8Builder_Init(tmem.arena);
if (on_init & DN_CoreOnInit_LogLibFeatures) {
DN_Str8Builder_AppendRef(&builder, DN_STR8("DN initialised:\n"));
DN_F64 page_size_kib = g_dn_os_core_->page_size / 1024.0;
DN_F64 alloc_granularity_kib = g_dn_os_core_->alloc_granularity / 1024.0;
DN_Str8Builder_AppendF(
&builder, " OS Page Size/Alloc Granularity: %.1f/%.1fKiB\n", page_size_kib, alloc_granularity_kib);
#if DN_HAS_FEATURE(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
if (DN_ASAN_POISON) {
DN_Str8Builder_AppendF(
&builder, " ASAN manual poisoning%s\n", DN_ASAN_VET_POISON ? " (+vet sanity checks)" : "");
DN_Str8Builder_AppendF(&builder, " ASAN poison guard size: %u\n", DN_ASAN_POISON_GUARD_SIZE);
}
#endif
#if defined(DN_LEAK_TRACKING)
DN_Str8Builder_AppendRef(&builder, DN_STR8(" Allocation leak tracing\n"));
#endif
#if !defined(DN_NO_PROFILER)
DN_Str8Builder_AppendRef(&builder, DN_STR8(" TSC profiler available\n"));
#endif
// TODO(doyle): Add stacktrace feature log
}
if (on_init & DN_CoreOnInit_LogCPUFeatures) {
DN_CPUReport const *report = &g_dn_os_core_->cpu_report;
DN_Str8 brand = DN_Str8_TrimWhitespaceAround(DN_Str8_Init(report->brand, sizeof(report->brand) - 1));
DN_MSVC_WARNING_PUSH
DN_MSVC_WARNING_DISABLE(6284) // Object passed as _Param_(3) when a string is required in call to 'DN_Str8Builder_AppendF' Actual type: 'struct DN_Str8'.
DN_Str8Builder_AppendF(&builder, " CPU '%S' from '%s' detected:\n", brand, report->vendor);
DN_MSVC_WARNING_POP
DN_USize longest_feature_name = 0;
DN_ForIndexU(feature_index, DN_CPUFeature_Count) {
DN_CPUFeatureDecl feature_decl = g_dn_cpu_feature_decl[feature_index];
longest_feature_name = DN_Max(longest_feature_name, feature_decl.label.size);
}
DN_ForIndexU(feature_index, DN_CPUFeature_Count) {
DN_CPUFeatureDecl feature_decl = g_dn_cpu_feature_decl[feature_index];
bool has_feature = DN_CPU_HasFeature(report, feature_decl.value);
DN_Str8Builder_AppendF(&builder,
" %.*s:%*s%s\n",
DN_STR_FMT(feature_decl.label),
DN_CAST(int)(longest_feature_name - feature_decl.label.size),
"",
has_feature ? "available" : "not available");
}
}
DN_Str8 info_log = DN_Str8Builder_Build(&builder, tmem.arena);
if (DN_Str8_HasData(info_log))
DN_LOG_DebugF("%.*s", DN_STR_FMT(info_log));
}
DN_API void DN_Core_BeginFrame()
{
DN_Atomic_SetValue64(&g_dn_os_core_->mem_allocs_frame, 0);
}
#if !defined(DN_NO_PROFILER)
DN_API void DN_Core_SetProfiler(DN_Profiler *profiler)
{
if (profiler)
g_dn_core->profiler = profiler;
}
#endif