-/* Set index mask ala glIndexMask */
-static void
-index_mask( GLcontext *ctx, GLuint mask )
-{
- const XMesaContext xmesa = XMESA_CONTEXT(ctx);
- XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
- /* not sure this conditional is really needed */
- if (xmbuf->backxrb && xmbuf->backxrb->pixmap) {
- unsigned long m;
- if (mask==0xffffffff) {
- m = ((unsigned long)~0L);
- }
- else {
- m = (unsigned long) mask;
- }
- XMesaSetPlaneMask( xmesa->display, xmbuf->cleargc, m );
- }
-}
-
-