opengl32.dll is a system DLL that translates OpenGL calls to GPU instructions.hooking) functions such as glBegin, glEnd, or glDrawElements, an attacker can modify what is drawn.// Make walls transparent glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // Assume wall vertices and colors are properly set up glColor4f(1.0f, 1.0f, 1.0f, 0.5f); // RGBA - 50% alpha