diff options
Diffstat (limited to 'src/mesa/drivers/x11/xm_dd.c')
| -rw-r--r-- | src/mesa/drivers/x11/xm_dd.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/drivers/x11/xm_dd.c b/src/mesa/drivers/x11/xm_dd.c index 9c0771e6cdb..516b238d6eb 100644 --- a/src/mesa/drivers/x11/xm_dd.c +++ b/src/mesa/drivers/x11/xm_dd.c @@ -214,10 +214,15 @@ color_mask(GLcontext *ctx, GLboolean rmask, GLboolean gmask, GLboolean bmask, GLboolean amask) { const XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + XMesaBuffer xmbuf; const int xclass = xmesa->xm_visual->mesa_visual.visualType; (void) amask; + if (ctx->DrawBuffer->Name != 0) + return; + + xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + if (xclass == GLX_TRUE_COLOR || xclass == GLX_DIRECT_COLOR) { unsigned long m; if (rmask && gmask && bmask) { |