add RI_PREFER_ALPHA flag, for drivers that can draw such fonts by hardware
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71dda27406
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@ -1,4 +1,4 @@
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/* $NetBSD: rasops.c,v 1.74 2017/02/23 12:16:30 nonaka Exp $ */
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/* $NetBSD: rasops.c,v 1.75 2017/04/22 15:05:02 macallan Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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@ -30,7 +30,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rasops.c,v 1.74 2017/02/23 12:16:30 nonaka Exp $");
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__KERNEL_RCSID(0, "$NetBSD: rasops.c,v 1.75 2017/04/22 15:05:02 macallan Exp $");
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#include "opt_rasops.h"
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#include "rasops_glue.h"
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@ -208,7 +208,8 @@ rasops_init(struct rasops_info *ri, int wantrows, int wantcols)
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flags = WSFONT_FIND_BESTWIDTH | WSFONT_FIND_BITMAP;
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if ((ri->ri_flg & RI_ENABLE_ALPHA) != 0)
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flags |= WSFONT_FIND_ALPHA;
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if ((ri->ri_flg & RI_PREFER_ALPHA) != 0)
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flags |= WSFONT_PREFER_ALPHA;
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cookie = wsfont_find(NULL,
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ri->ri_width / wantcols,
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0,
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@ -376,14 +377,14 @@ rasops_reconfig(struct rasops_info *ri, int wantrows, int wantcols)
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if ((ri->ri_delta & 3) != 0)
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panic("rasops_init: ri_delta not aligned on 32-bit boundary");
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#endif
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ri->ri_origbits = ri->ri_bits;
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ri->ri_hworigbits = ri->ri_hwbits;
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/* Clear the entire display */
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if ((ri->ri_flg & RI_CLEAR) != 0)
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memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height);
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/* Now centre our window if needs be */
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ri->ri_origbits = ri->ri_bits;
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ri->ri_hworigbits = ri->ri_hwbits;
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if ((ri->ri_flg & RI_CENTER) != 0) {
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ri->ri_bits += (((ri->ri_width * bpp >> 3) -
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ri->ri_emustride) >> 1) & ~3;
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@ -1,4 +1,4 @@
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/* $NetBSD: rasops.h,v 1.31 2012/04/19 06:57:39 macallan Exp $ */
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/* $NetBSD: rasops.h,v 1.32 2017/04/22 15:05:02 macallan Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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@ -63,6 +63,11 @@
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#define RI_ENABLE_ALPHA 0x1000
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/* set this in order to use r3g3b2 'true' colour in 8 bit */
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#define RI_8BIT_IS_RGB 0x2000
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/*
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* drivers can set this to tell the font selection code that they'd rather
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* use alpha fonts
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*/
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#define RI_PREFER_ALPHA 0x4000
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struct rasops_info {
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/* These must be filled in by the caller */
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