remove DitherValues

[mesa.git] / src / mesa / drivers / x11 / xm_line.c

diff --git a/src/mesa/drivers/x11/xm_line.c b/src/mesa/drivers/x11/xm_line.c
index de007ea9cbd13823b1eda415a29cbc23d2b1b7ed..a5352d614747883828dc1fd861565cacd8f5eec1 100644 (file)
--- a/src/mesa/drivers/x11/xm_line.c
+++ b/src/mesa/drivers/x11/xm_line.c
@@ -1,4 +1,3 @@
-/* $Id: xm_line.c,v 1.24 2003/04/01 17:28:12 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -493,9 +492,8 @@ static swrast_line_func get_line_func( GLcontext *ctx )
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
 
-   (void) DitherValues;  /* silence unused var warning */
-   (void) kernel1;  /* silence unused var warning */
-
+   if ((ctx->Color._DrawDestMask & (DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT)) ==0)
+      return (swrast_line_func) NULL;
    if (ctx->RenderMode != GL_RENDER)      return (swrast_line_func) NULL;
    if (ctx->Line.SmoothFlag)              return (swrast_line_func) NULL;
    if (ctx->Texture._EnabledUnits)        return (swrast_line_func) NULL;