| 1 | /* $Id: DevVGATmpl.h 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * DevVGA - VBox VGA/VESA device, code templates.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | * --------------------------------------------------------------------
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| 27 | *
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| 28 | * This code is based on:
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| 29 | *
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| 30 | * QEMU VGA Emulator templates
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| 31 | *
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| 32 | * Copyright (c) 2003 Fabrice Bellard
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| 33 | *
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| 34 | * Permission is hereby granted, free of charge, to any person obtaining a copy
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| 35 | * of this software and associated documentation files (the "Software"), to deal
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| 36 | * in the Software without restriction, including without limitation the rights
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| 37 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 38 | * copies of the Software, and to permit persons to whom the Software is
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| 39 | * furnished to do so, subject to the following conditions:
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| 40 | *
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| 41 | * The above copyright notice and this permission notice shall be included in
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| 42 | * all copies or substantial portions of the Software.
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| 43 | *
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| 44 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 45 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 46 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 47 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 48 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| 49 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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| 50 | * THE SOFTWARE.
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| 51 | */
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| 52 |
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| 53 | #if DEPTH == 8
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| 54 | #define BPP 1
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| 55 | #define PIXEL_TYPE uint8_t
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| 56 | #elif DEPTH == 15 || DEPTH == 16
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| 57 | #define BPP 2
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| 58 | #define PIXEL_TYPE uint16_t
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| 59 | #elif DEPTH == 32
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| 60 | #define BPP 4
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| 61 | #define PIXEL_TYPE uint32_t
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| 62 | #else
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| 63 | #error unsupport depth
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| 64 | #endif
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| 65 |
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| 66 | #if DEPTH != 15
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| 67 |
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| 68 | static inline void RT_CONCAT(vga_draw_glyph_line_, DEPTH)(uint8_t *d,
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| 69 | int font_data,
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| 70 | uint32_t xorcol,
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| 71 | uint32_t bgcol,
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| 72 | int dscan,
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| 73 | int linesize)
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| 74 | {
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| 75 | #if BPP == 1
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| 76 | ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
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| 77 | ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
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| 78 | if (dscan) {
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| 79 | uint8_t *c = d + linesize;
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| 80 | ((uint32_t *)c)[0] = ((uint32_t *)d)[0];
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| 81 | ((uint32_t *)c)[1] = ((uint32_t *)d)[1];
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| 82 | }
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| 83 | #elif BPP == 2
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| 84 | ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
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| 85 | ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
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| 86 | ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
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| 87 | ((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
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| 88 | if (dscan)
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| 89 | memcpy(d + linesize, d, 4 * sizeof(uint32_t));
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| 90 | #else
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| 91 | ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
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| 92 | ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
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| 93 | ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
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| 94 | ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
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| 95 | ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
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| 96 | ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
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| 97 | ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
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| 98 | ((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
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| 99 | if (dscan)
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| 100 | memcpy(d + linesize, d, 8 * sizeof(uint32_t));
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| 101 | #endif
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| 102 | }
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| 103 |
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| 104 | static void RT_CONCAT(vga_draw_glyph8_, DEPTH)(uint8_t *d, int linesize,
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| 105 | const uint8_t *font_ptr, int h,
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| 106 | uint32_t fgcol, uint32_t bgcol, int dscan)
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| 107 | {
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| 108 | uint32_t xorcol;
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| 109 | int font_data;
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| 110 |
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| 111 | xorcol = bgcol ^ fgcol;
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| 112 | do {
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| 113 | font_data = font_ptr[0];
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| 114 | RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d, font_data, xorcol, bgcol, dscan, linesize);
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| 115 | font_ptr += 4;
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| 116 | d += linesize << dscan;
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| 117 | } while (--h);
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| 118 | }
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| 119 |
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| 120 | static void RT_CONCAT(vga_draw_glyph16_, DEPTH)(uint8_t *d, int linesize,
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| 121 | const uint8_t *font_ptr, int h,
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| 122 | uint32_t fgcol, uint32_t bgcol, int dscan)
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| 123 | {
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| 124 | uint32_t xorcol;
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| 125 | int font_data;
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| 126 |
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| 127 | xorcol = bgcol ^ fgcol;
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| 128 | do {
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| 129 | font_data = font_ptr[0];
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| 130 | RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d,
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| 131 | expand4to8[font_data >> 4],
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| 132 | xorcol, bgcol, dscan, linesize);
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| 133 | RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d + 8 * BPP,
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| 134 | expand4to8[font_data & 0x0f],
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| 135 | xorcol, bgcol, dscan, linesize);
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| 136 | font_ptr += 4;
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| 137 | d += linesize << dscan;
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| 138 | } while (--h);
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| 139 | }
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| 140 |
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| 141 | static void RT_CONCAT(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize,
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| 142 | const uint8_t *font_ptr, int h,
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| 143 | uint32_t fgcol, uint32_t bgcol, int dup9)
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| 144 | {
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| 145 | uint32_t xorcol, v;
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| 146 | int font_data;
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| 147 |
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| 148 | xorcol = bgcol ^ fgcol;
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| 149 | do {
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| 150 | font_data = font_ptr[0];
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| 151 | #if BPP == 1
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| 152 | ((uint32_t *)d)[0] = RT_H2LE_U32((dmask16[(font_data >> 4)] & xorcol) ^ bgcol);
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| 153 | v = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
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| 154 | ((uint32_t *)d)[1] = RT_H2LE_U32(v);
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| 155 | if (dup9)
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| 156 | ((uint8_t *)d)[8] = v >> (24 * (1 - BIG));
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| 157 | else
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| 158 | ((uint8_t *)d)[8] = bgcol;
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| 159 |
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| 160 | #elif BPP == 2
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| 161 | ((uint32_t *)d)[0] = RT_H2LE_U32((dmask4[(font_data >> 6)] & xorcol) ^ bgcol);
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| 162 | ((uint32_t *)d)[1] = RT_H2LE_U32((dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol);
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| 163 | ((uint32_t *)d)[2] = RT_H2LE_U32((dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol);
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| 164 | v = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
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| 165 | ((uint32_t *)d)[3] = RT_H2LE_U32(v);
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| 166 | if (dup9)
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| 167 | ((uint16_t *)d)[8] = v >> (16 * (1 - BIG));
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| 168 | else
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| 169 | ((uint16_t *)d)[8] = bgcol;
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| 170 | #else
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| 171 | ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
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| 172 | ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
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| 173 | ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
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| 174 | ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
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| 175 | ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
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| 176 | ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
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| 177 | ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
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| 178 | v = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
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| 179 | ((uint32_t *)d)[7] = v;
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| 180 | if (dup9)
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| 181 | ((uint32_t *)d)[8] = v;
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| 182 | else
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| 183 | ((uint32_t *)d)[8] = bgcol;
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| 184 | #endif
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| 185 | font_ptr += 4;
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| 186 | d += linesize;
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| 187 | } while (--h);
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| 188 | }
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| 189 |
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| 190 | /*
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| 191 | * 4 color mode
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| 192 | */
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| 193 | static void RT_CONCAT(vga_draw_line2_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
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| 194 | const uint8_t *s, int width)
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| 195 | {
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| 196 | uint32_t plane_mask, *palette, data, v, src_inc, dwb_mode;
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| 197 | int x;
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| 198 | RT_NOREF(pThisCC);
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| 199 |
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| 200 | palette = s1->last_palette;
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| 201 | plane_mask = mask16[s1->ar[0x12] & 0xf];
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| 202 | dwb_mode = (s1->cr[0x14] & 0x40) ? 2 : (s1->cr[0x17] & 0x40) ? 0 : 1;
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| 203 | src_inc = 4 << dwb_mode;
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| 204 | width >>= 3;
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| 205 | for(x = 0; x < width; x++) {
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| 206 | data = ((uint32_t *)s)[0];
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| 207 | data &= plane_mask;
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| 208 | v = expand2[GET_PLANE(data, 0)];
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| 209 | v |= expand2[GET_PLANE(data, 2)] << 2;
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| 210 | ((PIXEL_TYPE *)d)[0] = palette[v >> 12];
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| 211 | ((PIXEL_TYPE *)d)[1] = palette[(v >> 8) & 0xf];
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| 212 | ((PIXEL_TYPE *)d)[2] = palette[(v >> 4) & 0xf];
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| 213 | ((PIXEL_TYPE *)d)[3] = palette[(v >> 0) & 0xf];
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| 214 |
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| 215 | v = expand2[GET_PLANE(data, 1)];
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| 216 | v |= expand2[GET_PLANE(data, 3)] << 2;
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| 217 | ((PIXEL_TYPE *)d)[4] = palette[v >> 12];
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| 218 | ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
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| 219 | ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
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| 220 | ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
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| 221 | d += BPP * 8;
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| 222 | s += src_inc;
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| 223 | }
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| 224 | }
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| 225 |
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| 226 | #if BPP == 1
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| 227 | #define PUT_PIXEL2(d, n, v) ((uint16_t *)d)[(n)] = (v)
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| 228 | #elif BPP == 2
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| 229 | #define PUT_PIXEL2(d, n, v) ((uint32_t *)d)[(n)] = (v)
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| 230 | #else
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| 231 | #define PUT_PIXEL2(d, n, v) \
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| 232 | ((uint32_t *)d)[2*(n)] = ((uint32_t *)d)[2*(n)+1] = (v)
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| 233 | #endif
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| 234 |
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| 235 | /*
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| 236 | * 4 color mode, dup2 horizontal
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| 237 | */
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| 238 | static void RT_CONCAT(vga_draw_line2d2_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
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| 239 | const uint8_t *s, int width)
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| 240 | {
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| 241 | uint32_t plane_mask, *palette, data, v, src_inc, dwb_mode;
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| 242 | int x;
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| 243 | RT_NOREF(pThisCC);
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| 244 |
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| 245 | palette = s1->last_palette;
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| 246 | plane_mask = mask16[s1->ar[0x12] & 0xf];
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| 247 | dwb_mode = (s1->cr[0x14] & 0x40) ? 2 : (s1->cr[0x17] & 0x40) ? 0 : 1;
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| 248 | src_inc = 4 << dwb_mode;
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| 249 | width >>= 3;
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| 250 | for(x = 0; x < width; x++) {
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| 251 | data = ((uint32_t *)s)[0];
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| 252 | data &= plane_mask;
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| 253 | v = expand2[GET_PLANE(data, 0)];
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| 254 | v |= expand2[GET_PLANE(data, 2)] << 2;
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| 255 | PUT_PIXEL2(d, 0, palette[v >> 12]);
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| 256 | PUT_PIXEL2(d, 1, palette[(v >> 8) & 0xf]);
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| 257 | PUT_PIXEL2(d, 2, palette[(v >> 4) & 0xf]);
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| 258 | PUT_PIXEL2(d, 3, palette[(v >> 0) & 0xf]);
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| 259 |
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| 260 | v = expand2[GET_PLANE(data, 1)];
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| 261 | v |= expand2[GET_PLANE(data, 3)] << 2;
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| 262 | PUT_PIXEL2(d, 4, palette[v >> 12]);
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| 263 | PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
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| 264 | PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
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| 265 | PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
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| 266 | d += BPP * 16;
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| 267 | s += src_inc;
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| 268 | }
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| 269 | }
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| 270 |
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| 271 | /*
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| 272 | * 16 color mode
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| 273 | */
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| 274 | static void RT_CONCAT(vga_draw_line4_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
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| 275 | const uint8_t *s, int width)
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| 276 | {
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| 277 | uint32_t plane_mask, data, v, *palette, vram_ofs;
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| 278 | int x;
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| 279 | RT_NOREF(pThisCC);
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| 280 |
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| 281 | vram_ofs = s - pThisCC->pbVRam;
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| 282 | palette = s1->last_palette;
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| 283 | plane_mask = mask16[s1->ar[0x12] & 0xf];
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| 284 | width >>= 3;
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| 285 | for(x = 0; x < width; x++) {
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| 286 | s = pThisCC->pbVRam + (vram_ofs & s1->vga_addr_mask);
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| 287 | data = ((uint32_t *)s)[0];
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| 288 | data &= plane_mask;
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| 289 | v = expand4[GET_PLANE(data, 0)];
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| 290 | v |= expand4[GET_PLANE(data, 1)] << 1;
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| 291 | v |= expand4[GET_PLANE(data, 2)] << 2;
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| 292 | v |= expand4[GET_PLANE(data, 3)] << 3;
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| 293 | ((PIXEL_TYPE *)d)[0] = palette[v >> 28];
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| 294 | ((PIXEL_TYPE *)d)[1] = palette[(v >> 24) & 0xf];
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| 295 | ((PIXEL_TYPE *)d)[2] = palette[(v >> 20) & 0xf];
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| 296 | ((PIXEL_TYPE *)d)[3] = palette[(v >> 16) & 0xf];
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| 297 | ((PIXEL_TYPE *)d)[4] = palette[(v >> 12) & 0xf];
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| 298 | ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
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| 299 | ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
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| 300 | ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
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| 301 | d += BPP * 8;
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| 302 | vram_ofs += 4;
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| 303 | }
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| 304 | }
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| 305 |
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| 306 | /*
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| 307 | * 16 color mode, dup2 horizontal
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| 308 | */
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| 309 | static void RT_CONCAT(vga_draw_line4d2_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
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| 310 | const uint8_t *s, int width)
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| 311 | {
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| 312 | uint32_t plane_mask, data, v, *palette;
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| 313 | int x;
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| 314 | RT_NOREF(pThisCC);
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| 315 |
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| 316 | palette = s1->last_palette;
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| 317 | plane_mask = mask16[s1->ar[0x12] & 0xf];
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| 318 | width >>= 3;
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| 319 | for(x = 0; x < width; x++) {
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| 320 | data = ((uint32_t *)s)[0];
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| 321 | data &= plane_mask;
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| 322 | v = expand4[GET_PLANE(data, 0)];
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| 323 | v |= expand4[GET_PLANE(data, 1)] << 1;
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| 324 | v |= expand4[GET_PLANE(data, 2)] << 2;
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| 325 | v |= expand4[GET_PLANE(data, 3)] << 3;
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| 326 | PUT_PIXEL2(d, 0, palette[v >> 28]);
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| 327 | PUT_PIXEL2(d, 1, palette[(v >> 24) & 0xf]);
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| 328 | PUT_PIXEL2(d, 2, palette[(v >> 20) & 0xf]);
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| 329 | PUT_PIXEL2(d, 3, palette[(v >> 16) & 0xf]);
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| 330 | PUT_PIXEL2(d, 4, palette[(v >> 12) & 0xf]);
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| 331 | PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
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| 332 | PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
|
|---|
| 333 | PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
|
|---|
| 334 | d += BPP * 16;
|
|---|
| 335 | s += 4;
|
|---|
| 336 | }
|
|---|
| 337 | }
|
|---|
| 338 |
|
|---|
| 339 | /*
|
|---|
| 340 | * 256 color mode, double pixels
|
|---|
| 341 | *
|
|---|
| 342 | * XXX: add plane_mask support (never used in standard VGA modes)
|
|---|
| 343 | */
|
|---|
| 344 | static void RT_CONCAT(vga_draw_line8d2_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
|
|---|
| 345 | const uint8_t *s, int width)
|
|---|
| 346 | {
|
|---|
| 347 | uint32_t *palette;
|
|---|
| 348 | int x;
|
|---|
| 349 | RT_NOREF(pThisCC);
|
|---|
| 350 |
|
|---|
| 351 | palette = s1->last_palette;
|
|---|
| 352 | width >>= 3;
|
|---|
| 353 | for(x = 0; x < width; x++) {
|
|---|
| 354 | PUT_PIXEL2(d, 0, palette[s[0]]);
|
|---|
| 355 | PUT_PIXEL2(d, 1, palette[s[1]]);
|
|---|
| 356 | PUT_PIXEL2(d, 2, palette[s[2]]);
|
|---|
| 357 | PUT_PIXEL2(d, 3, palette[s[3]]);
|
|---|
| 358 | d += BPP * 8;
|
|---|
| 359 | s += 4;
|
|---|
| 360 | }
|
|---|
| 361 | }
|
|---|
| 362 |
|
|---|
| 363 | /*
|
|---|
| 364 | * standard 256 color mode
|
|---|
| 365 | *
|
|---|
| 366 | * XXX: add plane_mask support (never used in standard VGA modes)
|
|---|
| 367 | */
|
|---|
| 368 | static void RT_CONCAT(vga_draw_line8_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
|
|---|
| 369 | const uint8_t *s, int width)
|
|---|
| 370 | {
|
|---|
| 371 | uint32_t *palette;
|
|---|
| 372 | int x;
|
|---|
| 373 | RT_NOREF(pThisCC);
|
|---|
| 374 |
|
|---|
| 375 | palette = s1->last_palette;
|
|---|
| 376 | width >>= 3;
|
|---|
| 377 | for(x = 0; x < width; x++) {
|
|---|
| 378 | ((PIXEL_TYPE *)d)[0] = palette[s[0]];
|
|---|
| 379 | ((PIXEL_TYPE *)d)[1] = palette[s[1]];
|
|---|
| 380 | ((PIXEL_TYPE *)d)[2] = palette[s[2]];
|
|---|
| 381 | ((PIXEL_TYPE *)d)[3] = palette[s[3]];
|
|---|
| 382 | ((PIXEL_TYPE *)d)[4] = palette[s[4]];
|
|---|
| 383 | ((PIXEL_TYPE *)d)[5] = palette[s[5]];
|
|---|
| 384 | ((PIXEL_TYPE *)d)[6] = palette[s[6]];
|
|---|
| 385 | ((PIXEL_TYPE *)d)[7] = palette[s[7]];
|
|---|
| 386 | d += BPP * 8;
|
|---|
| 387 | s += 8;
|
|---|
| 388 | }
|
|---|
| 389 | }
|
|---|
| 390 |
|
|---|
| 391 | #endif /* DEPTH != 15 */
|
|---|
| 392 |
|
|---|
| 393 |
|
|---|
| 394 | /* XXX: optimize */
|
|---|
| 395 |
|
|---|
| 396 | /*
|
|---|
| 397 | * 15 bit color
|
|---|
| 398 | */
|
|---|
| 399 | static void RT_CONCAT(vga_draw_line15_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
|
|---|
| 400 | const uint8_t *s, int width)
|
|---|
| 401 | {
|
|---|
| 402 | RT_NOREF(s1, pThisCC);
|
|---|
| 403 | #if DEPTH == 15 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 404 | memcpy(d, s, width * 2);
|
|---|
| 405 | #else
|
|---|
| 406 | int w;
|
|---|
| 407 | uint32_t v, r, g, b;
|
|---|
| 408 |
|
|---|
| 409 | w = width;
|
|---|
| 410 | do {
|
|---|
| 411 | v = s[0] | (s[1] << 8);
|
|---|
| 412 | r = (v >> 7) & 0xf8;
|
|---|
| 413 | g = (v >> 2) & 0xf8;
|
|---|
| 414 | b = (v << 3) & 0xf8;
|
|---|
| 415 | ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
|
|---|
| 416 | s += 2;
|
|---|
| 417 | d += BPP;
|
|---|
| 418 | } while (--w != 0);
|
|---|
| 419 | #endif
|
|---|
| 420 | }
|
|---|
| 421 |
|
|---|
| 422 | /*
|
|---|
| 423 | * 16 bit color
|
|---|
| 424 | */
|
|---|
| 425 | static void RT_CONCAT(vga_draw_line16_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
|
|---|
| 426 | const uint8_t *s, int width)
|
|---|
| 427 | {
|
|---|
| 428 | RT_NOREF(s1, pThisCC);
|
|---|
| 429 | #if DEPTH == 16 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 430 | memcpy(d, s, width * 2);
|
|---|
| 431 | #else
|
|---|
| 432 | int w;
|
|---|
| 433 | uint32_t v, r, g, b;
|
|---|
| 434 |
|
|---|
| 435 | w = width;
|
|---|
| 436 | do {
|
|---|
| 437 | v = s[0] | (s[1] << 8);
|
|---|
| 438 | r = (v >> 8) & 0xf8;
|
|---|
| 439 | g = (v >> 3) & 0xfc;
|
|---|
| 440 | b = (v << 3) & 0xf8;
|
|---|
| 441 | ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
|
|---|
| 442 | s += 2;
|
|---|
| 443 | d += BPP;
|
|---|
| 444 | } while (--w != 0);
|
|---|
| 445 | #endif
|
|---|
| 446 | }
|
|---|
| 447 |
|
|---|
| 448 | /*
|
|---|
| 449 | * 24 bit color
|
|---|
| 450 | */
|
|---|
| 451 | static void RT_CONCAT(vga_draw_line24_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
|
|---|
| 452 | const uint8_t *s, int width)
|
|---|
| 453 | {
|
|---|
| 454 | int w;
|
|---|
| 455 | uint32_t r, g, b;
|
|---|
| 456 | RT_NOREF(s1, pThisCC);
|
|---|
| 457 |
|
|---|
| 458 | w = width;
|
|---|
| 459 | do {
|
|---|
| 460 | #if defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 461 | r = s[0];
|
|---|
| 462 | g = s[1];
|
|---|
| 463 | b = s[2];
|
|---|
| 464 | #else
|
|---|
| 465 | b = s[0];
|
|---|
| 466 | g = s[1];
|
|---|
| 467 | r = s[2];
|
|---|
| 468 | #endif
|
|---|
| 469 | ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
|
|---|
| 470 | s += 3;
|
|---|
| 471 | d += BPP;
|
|---|
| 472 | } while (--w != 0);
|
|---|
| 473 | }
|
|---|
| 474 |
|
|---|
| 475 | /*
|
|---|
| 476 | * 32 bit color
|
|---|
| 477 | */
|
|---|
| 478 | static void RT_CONCAT(vga_draw_line32_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
|
|---|
| 479 | const uint8_t *s, int width)
|
|---|
| 480 | {
|
|---|
| 481 | RT_NOREF(s1, pThisCC);
|
|---|
| 482 | #if DEPTH == 32 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 483 | memcpy(d, s, width * 4);
|
|---|
| 484 | #else
|
|---|
| 485 | int w;
|
|---|
| 486 | uint32_t r, g, b;
|
|---|
| 487 |
|
|---|
| 488 | w = width;
|
|---|
| 489 | do {
|
|---|
| 490 | #if defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 491 | r = s[1];
|
|---|
| 492 | g = s[2];
|
|---|
| 493 | b = s[3];
|
|---|
| 494 | #else
|
|---|
| 495 | b = s[0];
|
|---|
| 496 | g = s[1];
|
|---|
| 497 | r = s[2];
|
|---|
| 498 | #endif
|
|---|
| 499 | ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
|
|---|
| 500 | s += 4;
|
|---|
| 501 | d += BPP;
|
|---|
| 502 | } while (--w != 0);
|
|---|
| 503 | #endif
|
|---|
| 504 | }
|
|---|
| 505 |
|
|---|
| 506 | #if DEPTH != 15
|
|---|
| 507 | #ifndef VBOX
|
|---|
| 508 | #ifdef VBOX
|
|---|
| 509 | static
|
|---|
| 510 | #endif/* VBOX */
|
|---|
| 511 | void RT_CONCAT(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
|
|---|
| 512 | const uint8_t *src1,
|
|---|
| 513 | int poffset, int w,
|
|---|
| 514 | unsigned int color0,
|
|---|
| 515 | unsigned int color1,
|
|---|
| 516 | unsigned int color_xor)
|
|---|
| 517 | {
|
|---|
| 518 | const uint8_t *plane0, *plane1;
|
|---|
| 519 | int x, b0, b1;
|
|---|
| 520 | uint8_t *d;
|
|---|
| 521 |
|
|---|
| 522 | d = d1;
|
|---|
| 523 | plane0 = src1;
|
|---|
| 524 | plane1 = src1 + poffset;
|
|---|
| 525 | for(x = 0; x < w; x++) {
|
|---|
| 526 | b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
|
|---|
| 527 | b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
|
|---|
| 528 | #if DEPTH == 8
|
|---|
| 529 | switch(b0 | (b1 << 1)) {
|
|---|
| 530 | case 0:
|
|---|
| 531 | break;
|
|---|
| 532 | case 1:
|
|---|
| 533 | d[0] ^= color_xor;
|
|---|
| 534 | break;
|
|---|
| 535 | case 2:
|
|---|
| 536 | d[0] = color0;
|
|---|
| 537 | break;
|
|---|
| 538 | case 3:
|
|---|
| 539 | d[0] = color1;
|
|---|
| 540 | break;
|
|---|
| 541 | }
|
|---|
| 542 | #elif DEPTH == 16
|
|---|
| 543 | switch(b0 | (b1 << 1)) {
|
|---|
| 544 | case 0:
|
|---|
| 545 | break;
|
|---|
| 546 | case 1:
|
|---|
| 547 | ((uint16_t *)d)[0] ^= color_xor;
|
|---|
| 548 | break;
|
|---|
| 549 | case 2:
|
|---|
| 550 | ((uint16_t *)d)[0] = color0;
|
|---|
| 551 | break;
|
|---|
| 552 | case 3:
|
|---|
| 553 | ((uint16_t *)d)[0] = color1;
|
|---|
| 554 | break;
|
|---|
| 555 | }
|
|---|
| 556 | #elif DEPTH == 32
|
|---|
| 557 | switch(b0 | (b1 << 1)) {
|
|---|
| 558 | case 0:
|
|---|
| 559 | break;
|
|---|
| 560 | case 1:
|
|---|
| 561 | ((uint32_t *)d)[0] ^= color_xor;
|
|---|
| 562 | break;
|
|---|
| 563 | case 2:
|
|---|
| 564 | ((uint32_t *)d)[0] = color0;
|
|---|
| 565 | break;
|
|---|
| 566 | case 3:
|
|---|
| 567 | ((uint32_t *)d)[0] = color1;
|
|---|
| 568 | break;
|
|---|
| 569 | }
|
|---|
| 570 | #else
|
|---|
| 571 | #error unsupported depth
|
|---|
| 572 | #endif
|
|---|
| 573 | d += BPP;
|
|---|
| 574 | }
|
|---|
| 575 | }
|
|---|
| 576 | #endif /* !VBOX */
|
|---|
| 577 | #endif
|
|---|
| 578 |
|
|---|
| 579 | #undef PUT_PIXEL2
|
|---|
| 580 | #undef DEPTH
|
|---|
| 581 | #undef BPP
|
|---|
| 582 | #undef PIXEL_TYPE
|
|---|
