framebuffer.cpp revision 1.11.2.2
1 1.11.2.2 uwe /* -*-C++-*- $NetBSD: framebuffer.cpp,v 1.11.2.2 2006/03/05 04:05:40 uwe Exp $ */ 2 1.11.2.2 uwe 3 1.11.2.2 uwe /*- 4 1.11.2.2 uwe * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.11.2.2 uwe * All rights reserved. 6 1.11.2.2 uwe * 7 1.11.2.2 uwe * This code is derived from software contributed to The NetBSD Foundation 8 1.11.2.2 uwe * by UCHIYAMA Yasushi. 9 1.11.2.2 uwe * 10 1.11.2.2 uwe * Redistribution and use in source and binary forms, with or without 11 1.11.2.2 uwe * modification, are permitted provided that the following conditions 12 1.11.2.2 uwe * are met: 13 1.11.2.2 uwe * 1. Redistributions of source code must retain the above copyright 14 1.11.2.2 uwe * notice, this list of conditions and the following disclaimer. 15 1.11.2.2 uwe * 2. Redistributions in binary form must reproduce the above copyright 16 1.11.2.2 uwe * notice, this list of conditions and the following disclaimer in the 17 1.11.2.2 uwe * documentation and/or other materials provided with the distribution. 18 1.11.2.2 uwe * 3. All advertising materials mentioning features or use of this software 19 1.11.2.2 uwe * must display the following acknowledgement: 20 1.11.2.2 uwe * This product includes software developed by the NetBSD 21 1.11.2.2 uwe * Foundation, Inc. and its contributors. 22 1.11.2.2 uwe * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.11.2.2 uwe * contributors may be used to endorse or promote products derived 24 1.11.2.2 uwe * from this software without specific prior written permission. 25 1.11.2.2 uwe * 26 1.11.2.2 uwe * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.11.2.2 uwe * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.11.2.2 uwe * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.11.2.2 uwe * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.11.2.2 uwe * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.11.2.2 uwe * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.11.2.2 uwe * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.11.2.2 uwe * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.11.2.2 uwe * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.11.2.2 uwe * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.11.2.2 uwe * POSSIBILITY OF SUCH DAMAGE. 37 1.11.2.2 uwe */ 38 1.11.2.2 uwe 39 1.11.2.2 uwe #include <hpcmenu.h> 40 1.11.2.2 uwe #include <machine/bootinfo.h> 41 1.11.2.2 uwe #include <machine/platid.h> 42 1.11.2.2 uwe #include <machine/platid_mask.h> 43 1.11.2.2 uwe 44 1.11.2.2 uwe #include <framebuffer.h> 45 1.11.2.2 uwe 46 1.11.2.2 uwe // 47 1.11.2.2 uwe // framebuffer configuration table can be found in machine_config.cpp 48 1.11.2.2 uwe // 49 1.11.2.2 uwe 50 1.11.2.2 uwe FrameBufferInfo::FrameBufferInfo(uint32_t cpu, uint32_t machine) 51 1.11.2.2 uwe { 52 1.11.2.2 uwe struct framebuffer_info *tab = _table; 53 1.11.2.2 uwe platid_mask_t target, entry; 54 1.11.2.2 uwe framebuffer_info *alt = 0; 55 1.11.2.2 uwe 56 1.11.2.2 uwe // get current bpp. 57 1.11.2.2 uwe HDC hdc = GetDC(0); 58 1.11.2.2 uwe int bpp = GetDeviceCaps(hdc, BITSPIXEL); 59 1.11.2.2 uwe ReleaseDC(0, hdc); 60 1.11.2.2 uwe 61 1.11.2.2 uwe target.dw.dw0 = cpu; 62 1.11.2.2 uwe target.dw.dw1 = machine; 63 1.11.2.2 uwe // search apriori setting if any. 64 1.11.2.2 uwe for (; tab->cpu; tab++) { 65 1.11.2.2 uwe entry.dw.dw0 = tab->cpu; 66 1.11.2.2 uwe entry.dw.dw1 = tab->machine; 67 1.11.2.2 uwe if (platid_match(&target, &entry)) { 68 1.11.2.2 uwe if (tab->bpp == bpp) { 69 1.11.2.2 uwe _fb = tab; 70 1.11.2.2 uwe return; 71 1.11.2.2 uwe } else { 72 1.11.2.2 uwe alt = tab; 73 1.11.2.2 uwe } 74 1.11.2.2 uwe } 75 1.11.2.2 uwe } 76 1.11.2.2 uwe 77 1.11.2.2 uwe // use alternative framebuffer setting, if any. 78 1.11.2.2 uwe if (alt) { 79 1.11.2.2 uwe _fb = alt; 80 1.11.2.2 uwe return; 81 1.11.2.2 uwe } 82 1.11.2.2 uwe 83 1.11.2.2 uwe // no apriori setting. fill default. 84 1.11.2.2 uwe memset(&_default, 0, sizeof(struct framebuffer_info)); 85 1.11.2.2 uwe 86 1.11.2.2 uwe _default.cpu = cpu; 87 1.11.2.2 uwe _default.machine = machine; 88 1.11.2.2 uwe hdc = GetDC(0); 89 1.11.2.2 uwe _default.bpp = bpp; 90 1.11.2.2 uwe _default.width = GetDeviceCaps(hdc, HORZRES); 91 1.11.2.2 uwe _default.height = GetDeviceCaps(hdc, VERTRES); 92 1.11.2.2 uwe ReleaseDC(0, hdc); 93 1.11.2.2 uwe _fb = &_default; 94 1.11.2.2 uwe } 95 1.11.2.2 uwe 96 1.11.2.2 uwe FrameBufferInfo::~FrameBufferInfo() 97 1.11.2.2 uwe { 98 1.11.2.2 uwe /* NO-OP */ 99 1.11.2.2 uwe } 100 1.11.2.2 uwe 101 1.11.2.2 uwe int 102 1.11.2.2 uwe FrameBufferInfo::type() 103 1.11.2.2 uwe { 104 1.11.2.2 uwe BOOL reverse = HPC_PREFERENCE.reverse_video; 105 1.11.2.2 uwe int type; 106 1.11.2.2 uwe 107 1.11.2.2 uwe switch(_fb->bpp) { 108 1.11.2.2 uwe default: 109 1.11.2.2 uwe // FALLTHROUGH 110 1.11.2.2 uwe case 2: 111 1.11.2.2 uwe type = reverse ? BIFB_D2_M2L_3 : BIFB_D2_M2L_0; 112 1.11.2.2 uwe break; 113 1.11.2.2 uwe case 4: 114 1.11.2.2 uwe type = reverse ? BIFB_D4_M2L_F : BIFB_D4_M2L_0; 115 1.11.2.2 uwe break; 116 1.11.2.2 uwe case 8: 117 1.11.2.2 uwe type = reverse ? BIFB_D8_FF : BIFB_D8_00; 118 1.11.2.2 uwe break; 119 1.11.2.2 uwe case 16: 120 1.11.2.2 uwe type = reverse ? BIFB_D16_FFFF : BIFB_D16_0000; 121 1.11.2.2 uwe break; 122 1.11.2.2 uwe } 123 1.11.2.2 uwe 124 1.11.2.2 uwe return type; 125 1.11.2.2 uwe } 126
Indexes created Tue Sep 23 22:09:46 GMT 2025