Files
spice2x.github.io/src/spice2x/util/sysutils.cpp
T
bicarus-dev 6e7bf99af8 util: print dimensions and refresh rate of monitors (#314)
## Link to GitHub Issue, if one exists
n/a

## Description of change
Dump monitor resolution and refresh rate to the log on launch.

## Testing
Tested with two monitors.
2025-05-05 16:48:55 -07:00

296 lines
10 KiB
C++

#include "sysutils.h"
#include <cstdlib>
#define WIN32_NO_STATUS
#include <windows.h>
#undef WIN32_NO_STATUS
#include "util/libutils.h"
#include "util/logging.h"
#if 0
#define log_dbug(module, format_str, ...) logger::push( \
LOG_FORMAT("M", module, format_str, ## __VA_ARGS__), logger::Style::GREY)
#else
#define log_dbug(module, format_str, ...)
#endif
namespace sysutils {
#pragma pack(push)
#pragma pack(1)
// from https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/nf-sysinfoapi-getsystemfirmwaretable
typedef struct _RawSMBIOSData {
BYTE Used20CallingMethod;
BYTE SMBIOSMajorVersion;
BYTE SMBIOSMinorVersion;
BYTE DmiRevision;
DWORD Length;
PBYTE SMBIOSTableData;
} RawSMBIOSData, *PRawSMBIOSData;
// SMBIOS
// https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.4.0.pdf
typedef struct _SMBIOS_STRUCT_HEADER {
uint8_t Type;
uint8_t Length;
uint16_t Handle;
} SMBIOS_STRUCT_HEADER, *PSMBIOS_STRUCT_HEADER;
typedef struct _SMBIOS_TYPE_1 {
SMBIOS_STRUCT_HEADER Header;
uint8_t Manufacturer;
uint8_t ProductName;
uint8_t Version;
uint8_t SerialNumber;
uint8_t UUID[16];
uint8_t WakeUpType;
uint8_t SKUNumber;
uint8_t Family;
} SMBIOS_TYPE_1, *PSMBIOS_TYPE_1;
typedef struct _SMBIOS_TYPE_2 {
SMBIOS_STRUCT_HEADER Header;
uint8_t Manufacturer;
uint8_t Product;
uint8_t Version;
uint8_t SerialNumber;
uint8_t AssetTag;
uint8_t FeatureFlags;
uint8_t LocationInChassis;
uint16_t ChassisHandle;
uint8_t BoardType;
uint8_t NumObjHandle;
uint16_t *ObjHandles;
} SMBIOS_TYPE_2, *PSMBIOS_TYPE_2;
#pragma pack(pop)
static void dump_smbios_section(PBYTE smbios, DWORD length);
static void dump_smbios_section_1(PSMBIOS_TYPE_1 table);
static void dump_smbios_section_2(PSMBIOS_TYPE_2 table);
static const char *find_string_after_struct(PSMBIOS_STRUCT_HEADER table, uint8_t str_number);
typedef UINT (WINAPI *GetSystemFirmwareTable_t)(
DWORD FirmwareTableProviderSignature,
DWORD FirmwareTableID,
PVOID pFirmwareTableBuffer,
DWORD BufferSize
);
static GetSystemFirmwareTable_t GetSystemFirmwareTable = nullptr;
void print_smbios() {
DWORD bytes_written = 0;
DWORD table_size = 0;
LPBYTE table = nullptr;
if (GetSystemFirmwareTable == nullptr) {
auto k32 = libutils::try_module("kernel32.dll");
if (k32 != nullptr) {
GetSystemFirmwareTable = libutils::try_proc<GetSystemFirmwareTable_t>(
k32, "GetSystemFirmwareTable");
}
}
if (GetSystemFirmwareTable == nullptr) {
log_warning("smbios", "GetSystemFirmwareTable not found");
return;
}
// calculate how big of a buffer is needed
const uint32_t RSMB = 0x52534D42;
table_size = GetSystemFirmwareTable(RSMB, 0, NULL, 0);
if (table_size == 0){
log_warning("smbios", "initial call to GetSystemFirmwareTable failed, GLE:{}", GetLastError());
return;
}
// allocate memory
table = (LPBYTE)malloc(table_size);
if (table == nullptr) {
log_warning("smbios", "malloc failed");
return;
}
// actually get the table
bytes_written = GetSystemFirmwareTable(RSMB, 0, table, table_size);
if (bytes_written != table_size) {
log_warning("smbios", "call to GetSystemFirmwareTable failed, GLE:{}", GetLastError());
return;
}
// dump to console
const PRawSMBIOSData raw_smbios = (PRawSMBIOSData)table;
dump_smbios_section((PBYTE)&raw_smbios->SMBIOSTableData, raw_smbios->Length);
// clean up
if (table != nullptr) {
free(table);
table = nullptr;
}
}
static void dump_smbios_section(PBYTE smbios, DWORD length) {
PBYTE curr = smbios;
size_t tables_dumped = 0;
log_misc("smbios", "dumping SMBIOS information...");
while (curr < (smbios + length)) {
PSMBIOS_STRUCT_HEADER header = (PSMBIOS_STRUCT_HEADER)curr;
log_dbug("smbios", "table: type {}; {} bytes", header->Type, header->Length);
// spec-defined End-of-Table
if (header->Type == 127 && header->Length == 4) {
break;
}
if (header->Type == 1) {
dump_smbios_section_1((PSMBIOS_TYPE_1)curr);
tables_dumped += 1;
} else if (header->Type == 2) {
dump_smbios_section_2((PSMBIOS_TYPE_2)curr);
tables_dumped += 1;
}
// stop once type 1 and type 2 are dumped
if (2 <= tables_dumped) {
break;
}
curr += header->Length;
// skip over the string area, indicated by double null
while (!(*curr == 0 && *(curr+1) == 0)) {
curr += 1;
if (curr >= (smbios + length)) {
break;
}
}
curr += 2;
}
}
static void dump_smbios_section_1(PSMBIOS_TYPE_1 table) {
const char* manufacturer = find_string_after_struct(&table->Header, table->Manufacturer);
const char* product_name = find_string_after_struct(&table->Header, table->ProductName);
const char* sku = find_string_after_struct(&table->Header, table->SKUNumber);
log_misc("smbios", "system manufacturer : {}", manufacturer);
log_misc("smbios", "system product name : {}", product_name);
log_misc("smbios", "system SKU : {}", sku);
return;
}
static void dump_smbios_section_2(PSMBIOS_TYPE_2 table) {
const char* manufacturer = find_string_after_struct(&table->Header, table->Manufacturer);
const char* product_name = find_string_after_struct(&table->Header, table->Product);
log_misc("smbios", "baseboard manufacturer : {}", manufacturer);
log_misc("smbios", "baseboard product name : {}", product_name);
return;
}
static const char *find_string_after_struct(PSMBIOS_STRUCT_HEADER table, uint8_t str_number) {
const char* strings = (const char*)((PBYTE)table + table->Length);
// string numbers are 1-based in this spec (first string is at 1)
if (str_number == 0 || *strings == 0) {
return "";
}
for (uint8_t i = 1; i < str_number; i++) {
strings += strlen((char*)strings);
strings += 1;
}
return strings;
}
static void print_adapter(DWORD index, PDISPLAY_DEVICEA adapter, bool is_monitor) {
if (adapter->StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER) {
return;
}
if (!(adapter->StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)) {
return;
}
std::string prefix("device");
if (is_monitor) {
prefix = " adapter";
}
log_misc("gpuinfo", "{} {} device name : {}", prefix.c_str(), index, adapter->DeviceName);
log_misc("gpuinfo", "{} {} device string : {}", prefix.c_str(), index, adapter->DeviceString);
log_dbug("gpuinfo", "{} {} flags : 0x{:x}", prefix.c_str(), index, adapter->StateFlags);
if (!is_monitor) {
DEVMODEA devmode = {};
devmode.dmSize = sizeof(devmode);
if (EnumDisplaySettingsA(adapter->DeviceName, ENUM_CURRENT_SETTINGS, &devmode)) {
log_misc(
"gpuinfo",
"{} {} resolution : {}px * {}px @ {}Hz",
prefix.c_str(),
index,
devmode.dmPelsWidth, devmode.dmPelsHeight,
devmode.dmDisplayFrequency);
} else {
log_misc("gpuinfo", "EnumDisplaySettingsA failed");
}
}
}
void print_gpus() {
DWORD device_index = 0;
DISPLAY_DEVICEA device = {};
device.cb = sizeof(device);
log_misc(
"gpuinfo",
"dumping GPU/monitor information... "
"(note: these are current values **before** launching the game)");
while (EnumDisplayDevicesA(nullptr, device_index, &device, 0)) {
print_adapter(device_index, &device, false);
DWORD monitor_index = 0;
DISPLAY_DEVICEA monitor = {};
monitor.cb = sizeof(monitor);
while (EnumDisplayDevicesA((PCHAR)device.DeviceName, monitor_index, &monitor, 0)) {
print_adapter(monitor_index, &monitor, true);
monitor_index++;
}
device_index++;
}
}
typedef void (WINAPI *RtlGetNtVersionNumbers_t)(
PDWORD pNtMajorVersion,
PDWORD pNtMinorVersion,
PDWORD pNtBuildNumber
);
static RtlGetNtVersionNumbers_t RtlGetNtVersionNumbers = nullptr;
void print_os() {
if (RtlGetNtVersionNumbers == nullptr) {
auto ntdll = libutils::try_module("ntdll.dll");
if (ntdll != nullptr) {
RtlGetNtVersionNumbers = libutils::try_proc<RtlGetNtVersionNumbers_t>(
ntdll, "RtlGetNtVersionNumbers");
if (RtlGetNtVersionNumbers == nullptr) {
log_warning("sysutils", "RtlGetNtVersionNumbers not found");
}
}
}
if (RtlGetNtVersionNumbers != nullptr) {
// OS major/minor can no longer be relied on
// https://learn.microsoft.com/en-us/windows/win32/sysinfo/operating-system-version
// there are other ways to obtain better strings (WMI, registry, winbrand.dll)
// but they either don't work in Win7 or too expensive to link against
DWORD buildnum = 0;
RtlGetNtVersionNumbers(nullptr, nullptr, &buildnum);
buildnum = buildnum & 0x0FFFFFFF;
log_misc("sysutils", "Windows OS build number: {}", buildnum);
return;
}
}
}