diff options
Diffstat (limited to 'src/mesa/drivers/x11/xm_line.c')
| -rw-r--r-- | src/mesa/drivers/x11/xm_line.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/x11/xm_line.c b/src/mesa/drivers/x11/xm_line.c index 342528dbef..a5352d6147 100644 --- a/src/mesa/drivers/x11/xm_line.c +++ b/src/mesa/drivers/x11/xm_line.c @@ -492,6 +492,8 @@ static swrast_line_func get_line_func( GLcontext *ctx ) SWcontext *swrast = SWRAST_CONTEXT(ctx); int depth = GET_VISUAL_DEPTH(xmesa->xm_visual); + 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; |