X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=gl_backend.h;h=0a35233621018c4c26ccc3381f40e34d4a8d0c41;hb=90c25c516ee8ba2b285e10f31896e4c0ceb29185;hp=44418d971d5ce31de0c1af1689c872a845ebff1e;hpb=57d7496c097df506f385c4a301173e7576c987c7;p=xonotic%2Fdarkplaces.git

diff --git a/gl_backend.h b/gl_backend.h
index 44418d97..0a352336 100644
--- a/gl_backend.h
+++ b/gl_backend.h
@@ -31,6 +31,7 @@ void R_GetViewport(r_viewport_t *v);
 void GL_Finish(void);
 
 void GL_BlendFunc(int blendfunc1, int blendfunc2);
+void GL_BlendEquationSubtract(qboolean negated);
 void GL_DepthMask(int state);
 void GL_DepthTest(int state);
 void GL_DepthFunc(int state);