Added a standard system error output
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434497c7bd
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450ff067cf
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@ -55,6 +55,23 @@ HWND hwnd = NULL; // Handle to the window
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HDC hdc = NULL; // Device context
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LPDIRECTINPUT lpdi = NULL;
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void dumpLastError(void) {
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LPVOID lpMsgBuf;
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FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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GetLastError(),
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0, // Default language
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(LPTSTR) &lpMsgBuf,
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0,
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NULL
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);
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printf("System error: %s\n", lpMsgBuf);
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LocalFree(lpMsgBuf);
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}
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/*
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* A dummy WindowProc which does nothing. Used so we can have an invisible OpenGL window
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*/
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@ -179,7 +196,6 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_Display_nCreate
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#ifdef _DEBUG
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printf("Creating display: size %dx%d %dhz %dbpp...\n", width, height, freq, bpp);
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#endif
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if (fullscreen && SetDisplayMode(width, height, bpp, freq) != 1)
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return JNI_FALSE;
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@ -187,7 +203,6 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_Display_nCreate
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Register a window. This window does nothing, it's just a requirement that we get
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a handle to it so we can do other things
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*/
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if (!oneShotInitialised) {
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WNDCLASS windowClass;
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@ -203,6 +218,7 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_Display_nCreate
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windowClass.lpszClassName = WINDOWCLASSNAME;
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if (RegisterClass(&windowClass) == 0) {
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dumpLastError();
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printf("Failed to register window class\n");
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return JNI_FALSE;
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}
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