void GL_BlendFunc(int blendfunc1, int blendfunc2);
void GL_DepthMask(int state);
void GL_DepthTest(int state);
+void GL_DepthRange(float nearfrac, float farfrac);
void GL_CullFace(int state);
void GL_AlphaTest(int state);
void GL_ColorMask(int r, int g, int b, int a);