glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(2, GL_FLOAT, 4*sizeof(float), (void*)(2*sizeof(float)));
glTexCoordPointer(2, GL_FLOAT, 4*sizeof(float), 0);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(2, GL_FLOAT, 4*sizeof(float), (void*)(2*sizeof(float)));
glTexCoordPointer(2, GL_FLOAT, 4*sizeof(float), 0);