diff options
| -rw-r--r-- | src/mesa/drivers/x11/xm_line.c | 3 | 
1 files changed, 3 insertions, 0 deletions
| diff --git a/src/mesa/drivers/x11/xm_line.c b/src/mesa/drivers/x11/xm_line.c index 1799503114..edb2a21169 100644 --- a/src/mesa/drivers/x11/xm_line.c +++ b/src/mesa/drivers/x11/xm_line.c @@ -578,6 +578,9 @@ get_line_func(GLcontext *ctx)     int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);     struct xmesa_renderbuffer *xrb; +   if (CHAN_BITS != 8) +      return NULL; +     if ((ctx->DrawBuffer->_ColorDrawBufferMask[0]          & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) == 0)        return (swrast_line_func) NULL; | 
