glClear(GL_STENCIL_BUFFER_BIT);                        // Clear the stencilglEnable(GL_STENCIL_TEST);                             //Enable stencil testglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);   //Disable color writes// Now set the stencil to create a 2d mask of the object// Increase the value in the stencil buffer if the depth test passes// ie, if it's visibleglStencilFunc(GL_ALWAYS, 1, 0xffff);      // the stencil test always passesglStencilOp(GL_KEEP, GL_INCR, GL_INCR);object.Draw();// At this point we have a mask of values > 0 where the object is// so we set the stencilfunc to allow fragments where stencil >= 1glStencilFunc(GL_GEQUAL, 1, 0xffff);glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);   // don't modify the valuesglLineWidth(5.0f);glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);object.DrawInWireframe();glDisable(GL_STENCIL_TEST);

	static PIXELFORMATDESCRIPTOR pfd =	{		sizeof(PIXELFORMATDESCRIPTOR),		1,					// Version number		PFD_DRAW_TO_WINDOW |			// Format must support window		PFD_SUPPORT_OPENGL |			// Format must support OpenGL		PFD_DOUBLEBUFFER,			// Must support double buffering		PFD_TYPE_RGBA,				// Request an RGBA format		bitsperpixel,				// Select our color depth		0, 0, 0, 0, 0, 0,			// Color bits ignored		8,					// 8bit Alpha buffer please		0,					// Alpha shift bits		0,					// No accumulation buffer		0, 0, 0, 0,				// Accumulation bits ignored		24,					// 24Bit Z-Buffer (Depth buffer)		1,					// We want a stencil buffer		0,					// No auxiliary buffer		PFD_MAIN_PLANE,			        // Main drawing layer		0,					// Reserved		0, 0, 0					// Layer masks ignored	};