110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/* -*-C++-*- $NetBSD: framebuffer.cpp,v 1.7 2001/04/24 19:27:59 uch Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <hpcmenu.h>
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#include <machine/bootinfo.h>
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#include <machine/platid.h>
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#include <machine/platid_mask.h>
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#include <framebuffer.h>
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//
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// framebuffer configuration table can be found in machine_config.cpp
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//
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FrameBufferInfo::FrameBufferInfo(u_int32_t cpu, u_int32_t machine)
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{
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struct framebuffer_info *tab = _table;
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platid_mask_t target, entry;
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target.dw.dw0 = cpu;
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target.dw.dw1 = machine;
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// search apriori setting if any.
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for (; tab->cpu; tab++) {
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entry.dw.dw0 = tab->cpu;
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entry.dw.dw1 = tab->machine;
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if (platid_match(&target, &entry)) {
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_fb = tab;
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return;
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}
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}
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// fill default setting.
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memset(&_default, 0, sizeof(struct framebuffer_info));
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_default.cpu = cpu;
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_default.machine = machine;
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HDC hdc = GetDC(0);
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_default.bpp = GetDeviceCaps(hdc, BITSPIXEL);
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_default.width = GetDeviceCaps(hdc, HORZRES);
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_default.height = GetDeviceCaps(hdc, VERTRES);
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ReleaseDC(0, hdc);
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_fb = &_default;
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}
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FrameBufferInfo::~FrameBufferInfo()
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{
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/* NO-OP */
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}
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int
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FrameBufferInfo::type()
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{
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BOOL reverse = HPC_PREFERENCE.reverse_video;
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int type;
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switch(_fb->bpp) {
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default:
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// FALLTHROUGH
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case 2:
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type = reverse ? BIFB_D2_M2L_3 : BIFB_D2_M2L_0;
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break;
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case 4:
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type = reverse ? BIFB_D4_M2L_F : BIFB_D4_M2L_0;
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break;
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case 8:
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type = reverse ? BIFB_D8_FF : BIFB_D8_00;
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break;
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case 16:
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type = reverse ? BIFB_D16_FFFF : BIFB_D16_0000;
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break;
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}
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return type;
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}
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