| 1 | /* $Id: DevVGATmpl.h 56292 2015-06-09 14:20:46Z 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) 2006-2015 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | * --------------------------------------------------------------------
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| 17 | *
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| 18 | * This code is based on:
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| 19 | *
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| 20 | * QEMU VGA Emulator templates
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| 21 | *
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| 22 | * Copyright (c) 2003 Fabrice Bellard
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| 23 | *
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| 24 | * Permission is hereby granted, free of charge, to any person obtaining a copy
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| 25 | * of this software and associated documentation files (the "Software"), to deal
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| 26 | * in the Software without restriction, including without limitation the rights
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| 27 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 28 | * copies of the Software, and to permit persons to whom the Software is
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| 29 | * furnished to do so, subject to the following conditions:
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| 30 | *
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| 31 | * The above copyright notice and this permission notice shall be included in
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| 32 | * all copies or substantial portions of the Software.
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| 33 | *
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| 34 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 35 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 36 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 37 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 38 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| 39 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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| 40 | * THE SOFTWARE.
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| 41 | */
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| 42 |
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| 43 | #if DEPTH == 8
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| 44 | #define BPP 1
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| 45 | #define PIXEL_TYPE uint8_t
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| 46 | #elif DEPTH == 15 || DEPTH == 16
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| 47 | #define BPP 2
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| 48 | #define PIXEL_TYPE uint16_t
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| 49 | #elif DEPTH == 32
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| 50 | #define BPP 4
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| 51 | #define PIXEL_TYPE uint32_t
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| 52 | #else
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| 53 | #error unsupport depth
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| 54 | #endif
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| 55 |
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| 56 | #if DEPTH != 15
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| 57 |
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| 58 | static inline void RT_CONCAT(vga_draw_glyph_line_, DEPTH)(uint8_t *d,
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| 59 | int font_data,
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| 60 | uint32_t xorcol,
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| 61 | uint32_t bgcol,
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| 62 | int dscan,
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| 63 | int linesize)
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| 64 | {
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| 65 | #if BPP == 1
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| 66 | ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
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| 67 | ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
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| 68 | if (dscan) {
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| 69 | uint8_t *c = d + linesize;
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| 70 | ((uint32_t *)c)[0] = ((uint32_t *)d)[0];
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| 71 | ((uint32_t *)c)[1] = ((uint32_t *)d)[1];
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| 72 | }
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| 73 | #elif BPP == 2
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| 74 | ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
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| 75 | ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
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| 76 | ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
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| 77 | ((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
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| 78 | if (dscan)
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| 79 | memcpy(d + linesize, d, 4 * sizeof(uint32_t));
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| 80 | #else
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| 81 | ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
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| 82 | ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
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| 83 | ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
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| 84 | ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
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| 85 | ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
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| 86 | ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
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| 87 | ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
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| 88 | ((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
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| 89 | if (dscan)
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| 90 | memcpy(d + linesize, d, 8 * sizeof(uint32_t));
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| 91 | #endif
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| 92 | }
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| 93 |
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| 94 | static void RT_CONCAT(vga_draw_glyph8_, DEPTH)(uint8_t *d, int linesize,
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| 95 | const uint8_t *font_ptr, int h,
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| 96 | uint32_t fgcol, uint32_t bgcol, int dscan)
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| 97 | {
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| 98 | uint32_t xorcol;
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| 99 | int font_data;
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| 100 |
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| 101 | xorcol = bgcol ^ fgcol;
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| 102 | do {
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| 103 | font_data = font_ptr[0];
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| 104 | RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d, font_data, xorcol, bgcol, dscan, linesize);
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| 105 | font_ptr += 4;
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| 106 | d += linesize << dscan;
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| 107 | } while (--h);
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| 108 | }
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| 109 |
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| 110 | static void RT_CONCAT(vga_draw_glyph16_, DEPTH)(uint8_t *d, int linesize,
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| 111 | const uint8_t *font_ptr, int h,
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| 112 | uint32_t fgcol, uint32_t bgcol, int dscan)
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| 113 | {
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| 114 | uint32_t xorcol;
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| 115 | int font_data;
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| 116 |
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| 117 | xorcol = bgcol ^ fgcol;
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| 118 | do {
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| 119 | font_data = font_ptr[0];
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| 120 | RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d,
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| 121 | expand4to8[font_data >> 4],
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| 122 | xorcol, bgcol, dscan, linesize);
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| 123 | RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d + 8 * BPP,
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| 124 | expand4to8[font_data & 0x0f],
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| 125 | xorcol, bgcol, dscan, linesize);
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| 126 | font_ptr += 4;
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| 127 | d += linesize << dscan;
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| 128 | } while (--h);
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| 129 | }
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| 130 |
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| 131 | static void RT_CONCAT(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize,
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| 132 | const uint8_t *font_ptr, int h,
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| 133 | uint32_t fgcol, uint32_t bgcol, int dup9)
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| 134 | {
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| 135 | uint32_t xorcol, v;
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| 136 | int font_data;
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| 137 |
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| 138 | xorcol = bgcol ^ fgcol;
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| 139 | do {
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| 140 | font_data = font_ptr[0];
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| 141 | #if BPP == 1
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| 142 | ((uint32_t *)d)[0] = RT_H2LE_U32((dmask16[(font_data >> 4)] & xorcol) ^ bgcol);
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| 143 | v = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
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| 144 | ((uint32_t *)d)[1] = RT_H2LE_U32(v);
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| 145 | if (dup9)
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| 146 | ((uint8_t *)d)[8] = v >> (24 * (1 - BIG));
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| 147 | else
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| 148 | ((uint8_t *)d)[8] = bgcol;
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| 149 |
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| 150 | #elif BPP == 2
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| 151 | ((uint32_t *)d)[0] = RT_H2LE_U32((dmask4[(font_data >> 6)] & xorcol) ^ bgcol);
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| 152 | ((uint32_t *)d)[1] = RT_H2LE_U32((dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol);
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| 153 | ((uint32_t *)d)[2] = RT_H2LE_U32((dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol);
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| 154 | v = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
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| 155 | ((uint32_t *)d)[3] = RT_H2LE_U32(v);
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| 156 | if (dup9)
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| 157 | ((uint16_t *)d)[8] = v >> (16 * (1 - BIG));
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| 158 | else
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| 159 | ((uint16_t *)d)[8] = bgcol;
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| 160 | #else
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| 161 | ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
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| 162 | ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
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| 163 | ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
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| 164 | ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
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| 165 | ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
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| 166 | ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
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| 167 | ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
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| 168 | v = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
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| 169 | ((uint32_t *)d)[7] = v;
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| 170 | if (dup9)
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| 171 | ((uint32_t *)d)[8] = v;
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| 172 | else
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| 173 | ((uint32_t *)d)[8] = bgcol;
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| 174 | #endif
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| 175 | font_ptr += 4;
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| 176 | d += linesize;
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| 177 | } while (--h);
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| 178 | }
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| 179 |
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| 180 | /*
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| 181 | * 4 color mode
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| 182 | */
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| 183 | static void RT_CONCAT(vga_draw_line2_, DEPTH)(VGAState *s1, uint8_t *d,
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| 184 | const uint8_t *s, int width)
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| 185 | {
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| 186 | uint32_t plane_mask, *palette, data, v, src_inc, dwb_mode;
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| 187 | int x;
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| 188 |
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| 189 | palette = s1->last_palette;
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| 190 | plane_mask = mask16[s1->ar[0x12] & 0xf];
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| 191 | dwb_mode = (s1->cr[0x14] & 0x40) ? 2 : (s1->cr[0x17] & 0x40) ? 0 : 1;
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| 192 | src_inc = 4 << dwb_mode;
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| 193 | width >>= 3;
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| 194 | for(x = 0; x < width; x++) {
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| 195 | data = ((uint32_t *)s)[0];
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| 196 | data &= plane_mask;
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| 197 | v = expand2[GET_PLANE(data, 0)];
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| 198 | v |= expand2[GET_PLANE(data, 2)] << 2;
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| 199 | ((PIXEL_TYPE *)d)[0] = palette[v >> 12];
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| 200 | ((PIXEL_TYPE *)d)[1] = palette[(v >> 8) & 0xf];
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| 201 | ((PIXEL_TYPE *)d)[2] = palette[(v >> 4) & 0xf];
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| 202 | ((PIXEL_TYPE *)d)[3] = palette[(v >> 0) & 0xf];
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| 203 |
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| 204 | v = expand2[GET_PLANE(data, 1)];
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| 205 | v |= expand2[GET_PLANE(data, 3)] << 2;
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| 206 | ((PIXEL_TYPE *)d)[4] = palette[v >> 12];
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| 207 | ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
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| 208 | ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
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| 209 | ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
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| 210 | d += BPP * 8;
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| 211 | s += src_inc;
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| 212 | }
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| 213 | }
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| 214 |
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| 215 | #if BPP == 1
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| 216 | #define PUT_PIXEL2(d, n, v) ((uint16_t *)d)[(n)] = (v)
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| 217 | #elif BPP == 2
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| 218 | #define PUT_PIXEL2(d, n, v) ((uint32_t *)d)[(n)] = (v)
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| 219 | #else
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| 220 | #define PUT_PIXEL2(d, n, v) \
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| 221 | ((uint32_t *)d)[2*(n)] = ((uint32_t *)d)[2*(n)+1] = (v)
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| 222 | #endif
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| 223 |
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| 224 | /*
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| 225 | * 4 color mode, dup2 horizontal
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| 226 | */
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| 227 | static void RT_CONCAT(vga_draw_line2d2_, DEPTH)(VGAState *s1, uint8_t *d,
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| 228 | const uint8_t *s, int width)
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| 229 | {
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| 230 | uint32_t plane_mask, *palette, data, v, src_inc, dwb_mode;
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| 231 | int x;
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| 232 |
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| 233 | palette = s1->last_palette;
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| 234 | plane_mask = mask16[s1->ar[0x12] & 0xf];
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| 235 | dwb_mode = (s1->cr[0x14] & 0x40) ? 2 : (s1->cr[0x17] & 0x40) ? 0 : 1;
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| 236 | src_inc = 4 << dwb_mode;
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| 237 | width >>= 3;
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| 238 | for(x = 0; x < width; x++) {
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| 239 | data = ((uint32_t *)s)[0];
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| 240 | data &= plane_mask;
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| 241 | v = expand2[GET_PLANE(data, 0)];
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| 242 | v |= expand2[GET_PLANE(data, 2)] << 2;
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| 243 | PUT_PIXEL2(d, 0, palette[v >> 12]);
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| 244 | PUT_PIXEL2(d, 1, palette[(v >> 8) & 0xf]);
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| 245 | PUT_PIXEL2(d, 2, palette[(v >> 4) & 0xf]);
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| 246 | PUT_PIXEL2(d, 3, palette[(v >> 0) & 0xf]);
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| 247 |
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| 248 | v = expand2[GET_PLANE(data, 1)];
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| 249 | v |= expand2[GET_PLANE(data, 3)] << 2;
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| 250 | PUT_PIXEL2(d, 4, palette[v >> 12]);
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| 251 | PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
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| 252 | PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
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| 253 | PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
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| 254 | d += BPP * 16;
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| 255 | s += src_inc;
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| 256 | }
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| 257 | }
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| 258 |
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| 259 | /*
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| 260 | * 16 color mode
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| 261 | */
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| 262 | static void RT_CONCAT(vga_draw_line4_, DEPTH)(VGAState *s1, uint8_t *d,
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| 263 | const uint8_t *s, int width)
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| 264 | {
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| 265 | uint32_t plane_mask, data, v, *palette;
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| 266 | int x;
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| 267 |
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| 268 | palette = s1->last_palette;
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| 269 | plane_mask = mask16[s1->ar[0x12] & 0xf];
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| 270 | width >>= 3;
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| 271 | for(x = 0; x < width; x++) {
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| 272 | data = ((uint32_t *)s)[0];
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| 273 | data &= plane_mask;
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| 274 | v = expand4[GET_PLANE(data, 0)];
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| 275 | v |= expand4[GET_PLANE(data, 1)] << 1;
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| 276 | v |= expand4[GET_PLANE(data, 2)] << 2;
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| 277 | v |= expand4[GET_PLANE(data, 3)] << 3;
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| 278 | ((PIXEL_TYPE *)d)[0] = palette[v >> 28];
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| 279 | ((PIXEL_TYPE *)d)[1] = palette[(v >> 24) & 0xf];
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| 280 | ((PIXEL_TYPE *)d)[2] = palette[(v >> 20) & 0xf];
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| 281 | ((PIXEL_TYPE *)d)[3] = palette[(v >> 16) & 0xf];
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| 282 | ((PIXEL_TYPE *)d)[4] = palette[(v >> 12) & 0xf];
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| 283 | ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
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| 284 | ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
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| 285 | ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
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| 286 | d += BPP * 8;
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| 287 | s += 4;
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| 288 | }
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| 289 | }
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| 290 |
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| 291 | /*
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| 292 | * 16 color mode, dup2 horizontal
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| 293 | */
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| 294 | static void RT_CONCAT(vga_draw_line4d2_, DEPTH)(VGAState *s1, uint8_t *d,
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| 295 | const uint8_t *s, int width)
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| 296 | {
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| 297 | uint32_t plane_mask, data, v, *palette;
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| 298 | int x;
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| 299 |
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| 300 | palette = s1->last_palette;
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| 301 | plane_mask = mask16[s1->ar[0x12] & 0xf];
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| 302 | width >>= 3;
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| 303 | for(x = 0; x < width; x++) {
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| 304 | data = ((uint32_t *)s)[0];
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| 305 | data &= plane_mask;
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| 306 | v = expand4[GET_PLANE(data, 0)];
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| 307 | v |= expand4[GET_PLANE(data, 1)] << 1;
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| 308 | v |= expand4[GET_PLANE(data, 2)] << 2;
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| 309 | v |= expand4[GET_PLANE(data, 3)] << 3;
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| 310 | PUT_PIXEL2(d, 0, palette[v >> 28]);
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| 311 | PUT_PIXEL2(d, 1, palette[(v >> 24) & 0xf]);
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| 312 | PUT_PIXEL2(d, 2, palette[(v >> 20) & 0xf]);
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| 313 | PUT_PIXEL2(d, 3, palette[(v >> 16) & 0xf]);
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| 314 | PUT_PIXEL2(d, 4, palette[(v >> 12) & 0xf]);
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| 315 | PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
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| 316 | PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
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| 317 | PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
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| 318 | d += BPP * 16;
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| 319 | s += 4;
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| 320 | }
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| 321 | }
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| 322 |
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| 323 | /*
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| 324 | * 256 color mode, double pixels
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| 325 | *
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| 326 | * XXX: add plane_mask support (never used in standard VGA modes)
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| 327 | */
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| 328 | static void RT_CONCAT(vga_draw_line8d2_, DEPTH)(VGAState *s1, uint8_t *d,
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| 329 | const uint8_t *s, int width)
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| 330 | {
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| 331 | uint32_t *palette;
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| 332 | int x;
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| 333 |
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| 334 | palette = s1->last_palette;
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| 335 | width >>= 3;
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| 336 | for(x = 0; x < width; x++) {
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| 337 | PUT_PIXEL2(d, 0, palette[s[0]]);
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|---|
| 338 | PUT_PIXEL2(d, 1, palette[s[1]]);
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| 339 | PUT_PIXEL2(d, 2, palette[s[2]]);
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|---|
| 340 | PUT_PIXEL2(d, 3, palette[s[3]]);
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|---|
| 341 | d += BPP * 8;
|
|---|
| 342 | s += 4;
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| 343 | }
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|---|
| 344 | }
|
|---|
| 345 |
|
|---|
| 346 | /*
|
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| 347 | * standard 256 color mode
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|---|
| 348 | *
|
|---|
| 349 | * XXX: add plane_mask support (never used in standard VGA modes)
|
|---|
| 350 | */
|
|---|
| 351 | static void RT_CONCAT(vga_draw_line8_, DEPTH)(VGAState *s1, uint8_t *d,
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| 352 | const uint8_t *s, int width)
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|---|
| 353 | {
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|---|
| 354 | uint32_t *palette;
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| 355 | int x;
|
|---|
| 356 |
|
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| 357 | palette = s1->last_palette;
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|---|
| 358 | width >>= 3;
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|---|
| 359 | for(x = 0; x < width; x++) {
|
|---|
| 360 | ((PIXEL_TYPE *)d)[0] = palette[s[0]];
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|---|
| 361 | ((PIXEL_TYPE *)d)[1] = palette[s[1]];
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|---|
| 362 | ((PIXEL_TYPE *)d)[2] = palette[s[2]];
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|---|
| 363 | ((PIXEL_TYPE *)d)[3] = palette[s[3]];
|
|---|
| 364 | ((PIXEL_TYPE *)d)[4] = palette[s[4]];
|
|---|
| 365 | ((PIXEL_TYPE *)d)[5] = palette[s[5]];
|
|---|
| 366 | ((PIXEL_TYPE *)d)[6] = palette[s[6]];
|
|---|
| 367 | ((PIXEL_TYPE *)d)[7] = palette[s[7]];
|
|---|
| 368 | d += BPP * 8;
|
|---|
| 369 | s += 8;
|
|---|
| 370 | }
|
|---|
| 371 | }
|
|---|
| 372 |
|
|---|
| 373 | #endif /* DEPTH != 15 */
|
|---|
| 374 |
|
|---|
| 375 |
|
|---|
| 376 | /* XXX: optimize */
|
|---|
| 377 |
|
|---|
| 378 | /*
|
|---|
| 379 | * 15 bit color
|
|---|
| 380 | */
|
|---|
| 381 | static void RT_CONCAT(vga_draw_line15_, DEPTH)(VGAState *s1, uint8_t *d,
|
|---|
| 382 | const uint8_t *s, int width)
|
|---|
| 383 | {
|
|---|
| 384 | #if DEPTH == 15 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 385 | memcpy(d, s, width * 2);
|
|---|
| 386 | #else
|
|---|
| 387 | int w;
|
|---|
| 388 | uint32_t v, r, g, b;
|
|---|
| 389 |
|
|---|
| 390 | w = width;
|
|---|
| 391 | do {
|
|---|
| 392 | v = s[0] | (s[1] << 8);
|
|---|
| 393 | r = (v >> 7) & 0xf8;
|
|---|
| 394 | g = (v >> 2) & 0xf8;
|
|---|
| 395 | b = (v << 3) & 0xf8;
|
|---|
| 396 | ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
|
|---|
| 397 | s += 2;
|
|---|
| 398 | d += BPP;
|
|---|
| 399 | } while (--w != 0);
|
|---|
| 400 | #endif
|
|---|
| 401 | NOREF(s1);
|
|---|
| 402 | }
|
|---|
| 403 |
|
|---|
| 404 | /*
|
|---|
| 405 | * 16 bit color
|
|---|
| 406 | */
|
|---|
| 407 | static void RT_CONCAT(vga_draw_line16_, DEPTH)(VGAState *s1, uint8_t *d,
|
|---|
| 408 | const uint8_t *s, int width)
|
|---|
| 409 | {
|
|---|
| 410 | #if DEPTH == 16 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 411 | memcpy(d, s, width * 2);
|
|---|
| 412 | #else
|
|---|
| 413 | int w;
|
|---|
| 414 | uint32_t v, r, g, b;
|
|---|
| 415 |
|
|---|
| 416 | w = width;
|
|---|
| 417 | do {
|
|---|
| 418 | v = s[0] | (s[1] << 8);
|
|---|
| 419 | r = (v >> 8) & 0xf8;
|
|---|
| 420 | g = (v >> 3) & 0xfc;
|
|---|
| 421 | b = (v << 3) & 0xf8;
|
|---|
| 422 | ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
|
|---|
| 423 | s += 2;
|
|---|
| 424 | d += BPP;
|
|---|
| 425 | } while (--w != 0);
|
|---|
| 426 | #endif
|
|---|
| 427 | NOREF(s1);
|
|---|
| 428 | }
|
|---|
| 429 |
|
|---|
| 430 | /*
|
|---|
| 431 | * 24 bit color
|
|---|
| 432 | */
|
|---|
| 433 | static void RT_CONCAT(vga_draw_line24_, DEPTH)(VGAState *s1, uint8_t *d,
|
|---|
| 434 | const uint8_t *s, int width)
|
|---|
| 435 | {
|
|---|
| 436 | int w;
|
|---|
| 437 | uint32_t r, g, b;
|
|---|
| 438 | NOREF(s1);
|
|---|
| 439 |
|
|---|
| 440 | w = width;
|
|---|
| 441 | do {
|
|---|
| 442 | #if defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 443 | r = s[0];
|
|---|
| 444 | g = s[1];
|
|---|
| 445 | b = s[2];
|
|---|
| 446 | #else
|
|---|
| 447 | b = s[0];
|
|---|
| 448 | g = s[1];
|
|---|
| 449 | r = s[2];
|
|---|
| 450 | #endif
|
|---|
| 451 | ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
|
|---|
| 452 | s += 3;
|
|---|
| 453 | d += BPP;
|
|---|
| 454 | } while (--w != 0);
|
|---|
| 455 | }
|
|---|
| 456 |
|
|---|
| 457 | /*
|
|---|
| 458 | * 32 bit color
|
|---|
| 459 | */
|
|---|
| 460 | static void RT_CONCAT(vga_draw_line32_, DEPTH)(VGAState *s1, uint8_t *d,
|
|---|
| 461 | const uint8_t *s, int width)
|
|---|
| 462 | {
|
|---|
| 463 | #if DEPTH == 32 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 464 | memcpy(d, s, width * 4);
|
|---|
| 465 | #else
|
|---|
| 466 | int w;
|
|---|
| 467 | uint32_t r, g, b;
|
|---|
| 468 |
|
|---|
| 469 | w = width;
|
|---|
| 470 | do {
|
|---|
| 471 | #if defined(TARGET_WORDS_BIGENDIAN)
|
|---|
| 472 | r = s[1];
|
|---|
| 473 | g = s[2];
|
|---|
| 474 | b = s[3];
|
|---|
| 475 | #else
|
|---|
| 476 | b = s[0];
|
|---|
| 477 | g = s[1];
|
|---|
| 478 | r = s[2];
|
|---|
| 479 | #endif
|
|---|
| 480 | ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
|
|---|
| 481 | s += 4;
|
|---|
| 482 | d += BPP;
|
|---|
| 483 | } while (--w != 0);
|
|---|
| 484 | #endif
|
|---|
| 485 | NOREF(s1);
|
|---|
| 486 | }
|
|---|
| 487 |
|
|---|
| 488 | #if DEPTH != 15
|
|---|
| 489 | #ifndef VBOX
|
|---|
| 490 | #ifdef VBOX
|
|---|
| 491 | static
|
|---|
| 492 | #endif/* VBOX */
|
|---|
| 493 | void RT_CONCAT(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
|
|---|
| 494 | const uint8_t *src1,
|
|---|
| 495 | int poffset, int w,
|
|---|
| 496 | unsigned int color0,
|
|---|
| 497 | unsigned int color1,
|
|---|
| 498 | unsigned int color_xor)
|
|---|
| 499 | {
|
|---|
| 500 | const uint8_t *plane0, *plane1;
|
|---|
| 501 | int x, b0, b1;
|
|---|
| 502 | uint8_t *d;
|
|---|
| 503 |
|
|---|
| 504 | d = d1;
|
|---|
| 505 | plane0 = src1;
|
|---|
| 506 | plane1 = src1 + poffset;
|
|---|
| 507 | for(x = 0; x < w; x++) {
|
|---|
| 508 | b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
|
|---|
| 509 | b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
|
|---|
| 510 | #if DEPTH == 8
|
|---|
| 511 | switch(b0 | (b1 << 1)) {
|
|---|
| 512 | case 0:
|
|---|
| 513 | break;
|
|---|
| 514 | case 1:
|
|---|
| 515 | d[0] ^= color_xor;
|
|---|
| 516 | break;
|
|---|
| 517 | case 2:
|
|---|
| 518 | d[0] = color0;
|
|---|
| 519 | break;
|
|---|
| 520 | case 3:
|
|---|
| 521 | d[0] = color1;
|
|---|
| 522 | break;
|
|---|
| 523 | }
|
|---|
| 524 | #elif DEPTH == 16
|
|---|
| 525 | switch(b0 | (b1 << 1)) {
|
|---|
| 526 | case 0:
|
|---|
| 527 | break;
|
|---|
| 528 | case 1:
|
|---|
| 529 | ((uint16_t *)d)[0] ^= color_xor;
|
|---|
| 530 | break;
|
|---|
| 531 | case 2:
|
|---|
| 532 | ((uint16_t *)d)[0] = color0;
|
|---|
| 533 | break;
|
|---|
| 534 | case 3:
|
|---|
| 535 | ((uint16_t *)d)[0] = color1;
|
|---|
| 536 | break;
|
|---|
| 537 | }
|
|---|
| 538 | #elif DEPTH == 32
|
|---|
| 539 | switch(b0 | (b1 << 1)) {
|
|---|
| 540 | case 0:
|
|---|
| 541 | break;
|
|---|
| 542 | case 1:
|
|---|
| 543 | ((uint32_t *)d)[0] ^= color_xor;
|
|---|
| 544 | break;
|
|---|
| 545 | case 2:
|
|---|
| 546 | ((uint32_t *)d)[0] = color0;
|
|---|
| 547 | break;
|
|---|
| 548 | case 3:
|
|---|
| 549 | ((uint32_t *)d)[0] = color1;
|
|---|
| 550 | break;
|
|---|
| 551 | }
|
|---|
| 552 | #else
|
|---|
| 553 | #error unsupported depth
|
|---|
| 554 | #endif
|
|---|
| 555 | d += BPP;
|
|---|
| 556 | }
|
|---|
| 557 | }
|
|---|
| 558 | #endif /* !VBOX */
|
|---|
| 559 | #endif
|
|---|
| 560 |
|
|---|
| 561 | #undef PUT_PIXEL2
|
|---|
| 562 | #undef DEPTH
|
|---|
| 563 | #undef BPP
|
|---|
| 564 | #undef PIXEL_TYPE
|
|---|
