void GL_TransformToScreen(const vec4_t in, vec4_t out);
void GL_LockArrays(int first, int count);
void GL_ActiveTexture(unsigned int num);
+void GL_ClientActiveTexture(unsigned int num);
void GL_Scissor(int x, int y, int width, int height);
void GL_ScissorTest(int state);
void GL_Clear(int mask);