std::string FormatString(const char *fmt, va_list vararg)
{
// Note: this needs to be thread-safe, since the D3D11 renderer uses some multithreading
std::vector<char> buffer(512);
size_t len = FormatStringIntoVector(fmt, vararg, buffer);
return std::string(&buffer[0], len);
}
ScopedPerfEventHelper::ScopedPerfEventHelper(const char *format, ...)
{
#if !defined(ANGLE_ENABLE_DEBUG_TRACE)
if (!DebugAnnotationsActive())
{
return;
}
#endif // !ANGLE_ENABLE_DEBUG_TRACE
va_list vararg;
va_start(vararg, format);
std::vector<char> buffer(512);
size_t len = FormatStringIntoVector(format, vararg, buffer);
ANGLE_LOG(EVENT) << std::string(&buffer[0], len);
va_end(vararg);
}
static void output(bool traceInDebugOnly, DebugTraceOutputType outputType, const char *format, va_list vararg)
{
#if defined(ANGLE_ENABLE_DEBUG_ANNOTATIONS)
static std::vector<char> buffer(512);
if (perfActive())
{
size_t len = FormatStringIntoVector(format, vararg, buffer);
std::wstring formattedWideMessage(buffer.begin(), buffer.begin() + len);
switch (outputType)
{
case DebugTraceOutputTypeNone:
break;
case DebugTraceOutputTypeBeginEvent:
g_DebugAnnotationWrapper->beginEvent(formattedWideMessage);
break;
case DebugTraceOutputTypeSetMarker:
g_DebugAnnotationWrapper->setMarker(formattedWideMessage);
break;
}
}
#endif // ANGLE_ENABLE_DEBUG_ANNOTATIONS
#if defined(ANGLE_ENABLE_DEBUG_TRACE)
#if defined(NDEBUG)
if (traceInDebugOnly)
{
return;
}
#endif // NDEBUG
std::string formattedMessage = FormatString(format, vararg);
static std::ofstream file(TRACE_OUTPUT_FILE, std::ofstream::app);
if (file)
{
file.write(formattedMessage.c_str(), formattedMessage.length());
file.flush();
}
#if defined(ANGLE_ENABLE_DEBUG_TRACE_TO_DEBUGGER)
OutputDebugStringA(formattedMessage.c_str());
#endif // ANGLE_ENABLE_DEBUG_TRACE_TO_DEBUGGER
#endif // ANGLE_ENABLE_DEBUG_TRACE
}
