void GL_SetupView_Mode_Perspective(double frustumx, double frustumy, double zNear, double zFar);
void GL_SetupView_Mode_PerspectiveInfiniteFarClip(double frustumx, double frustumy, double zNear);
void GL_SetupView_Mode_Ortho(double x1, double y1, double x2, double y2, double zNear, double zFar);
+void GL_SetupView_ApplyCustomNearClipPlane(double normalx, double normaly, double normalz, double dist);
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_PolygonOffset(float planeoffset, float depthoffset);
void GL_CullFace(int state);
void GL_AlphaTest(int state);
void GL_ColorMask(int r, int g, int b, int a);