DXTrace.cpp

#include "DXTrace.h"
#include <cstdio>

HRESULT WINAPI DXTraceW(_In_z_ const WCHAR* strFile, _In_ DWORD dwLine, _In_ HRESULT hr,
	_In_opt_ const WCHAR* strMsg, _In_ bool bPopMsgBox)
{
	WCHAR strBufferFile[MAX_PATH];
	WCHAR strBufferLine[128];
	WCHAR strBufferError[300];
	WCHAR strBufferMsg[1024];
	WCHAR strBufferHR[40];
	WCHAR strBuffer[3000];

	swprintf_s(strBufferLine, 128, L"%lu", dwLine);
	if (strFile)
	{
		swprintf_s(strBuffer, 3000, L"%ls(%ls): ", strFile, strBufferLine);
		OutputDebugStringW(strBuffer);
	}

	size_t nMsgLen = (strMsg) ? wcsnlen_s(strMsg, 1024) : 0;
	if (nMsgLen > 0)
	{
		OutputDebugStringW(strMsg);
		OutputDebugStringW(L" ");
	}
	// Windows SDK 8.0起DirectX的错误信息已经集成进错误码中，可以通过FormatMessageW获取错误信息字符串
	// 不需要分配字符串内存
	FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
		nullptr, hr, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
		strBufferError, 256, nullptr);

	WCHAR* errorStr = wcsrchr(strBufferError, L'\r');
	if (errorStr)
	{
		errorStr[0] = L'\0';	// 擦除FormatMessageW带来的换行符(把\r\n的\r置换为\0即可)
	}

	swprintf_s(strBufferHR, 40, L" (0x%0.8x)", hr);
	wcscat_s(strBufferError, strBufferHR);
	swprintf_s(strBuffer, 3000, L"错误码含义：%ls", strBufferError);
	OutputDebugStringW(strBuffer);

	OutputDebugStringW(L"\n");

	if (bPopMsgBox)
	{
		wcscpy_s(strBufferFile, MAX_PATH, L"");
		if (strFile)
			wcscpy_s(strBufferFile, MAX_PATH, strFile);

		wcscpy_s(strBufferMsg, 1024, L"");
		if (nMsgLen > 0)
			swprintf_s(strBufferMsg, 1024, L"当前调用：%ls\n", strMsg);

		swprintf_s(strBuffer, 3000, L"文件名：%ls\n行号：%ls\n错误码含义：%ls\n%ls您需要调试当前应用程序吗？",
			strBufferFile, strBufferLine, strBufferError, strBufferMsg);

		int nResult = MessageBoxW(GetForegroundWindow(), strBuffer, L"错误", MB_YESNO | MB_ICONERROR);
		if (nResult == IDYES)
			DebugBreak();
	}

	return hr;
}