1 | /* $Id: DevVGATmpl.h 96407 2022-08-22 17:43:14Z 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) 2006-2022 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]);
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333 | PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
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334 | d += BPP * 16;
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335 | s += 4;
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336 | }
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337 | }
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338 |
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339 | /*
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340 | * 256 color mode, double pixels
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341 | *
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342 | * XXX: add plane_mask support (never used in standard VGA modes)
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343 | */
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344 | static void RT_CONCAT(vga_draw_line8d2_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
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345 | const uint8_t *s, int width)
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346 | {
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347 | uint32_t *palette;
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348 | int x;
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349 | RT_NOREF(pThisCC);
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350 |
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351 | palette = s1->last_palette;
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352 | width >>= 3;
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353 | for(x = 0; x < width; x++) {
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354 | PUT_PIXEL2(d, 0, palette[s[0]]);
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355 | PUT_PIXEL2(d, 1, palette[s[1]]);
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356 | PUT_PIXEL2(d, 2, palette[s[2]]);
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357 | PUT_PIXEL2(d, 3, palette[s[3]]);
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358 | d += BPP * 8;
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359 | s += 4;
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360 | }
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361 | }
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362 |
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363 | /*
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364 | * standard 256 color mode
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365 | *
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366 | * XXX: add plane_mask support (never used in standard VGA modes)
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367 | */
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368 | static void RT_CONCAT(vga_draw_line8_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
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369 | const uint8_t *s, int width)
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370 | {
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371 | uint32_t *palette;
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372 | int x;
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373 | RT_NOREF(pThisCC);
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374 |
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375 | palette = s1->last_palette;
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376 | width >>= 3;
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377 | for(x = 0; x < width; x++) {
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378 | ((PIXEL_TYPE *)d)[0] = palette[s[0]];
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379 | ((PIXEL_TYPE *)d)[1] = palette[s[1]];
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380 | ((PIXEL_TYPE *)d)[2] = palette[s[2]];
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381 | ((PIXEL_TYPE *)d)[3] = palette[s[3]];
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382 | ((PIXEL_TYPE *)d)[4] = palette[s[4]];
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383 | ((PIXEL_TYPE *)d)[5] = palette[s[5]];
|
---|
384 | ((PIXEL_TYPE *)d)[6] = palette[s[6]];
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385 | ((PIXEL_TYPE *)d)[7] = palette[s[7]];
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386 | d += BPP * 8;
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387 | s += 8;
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388 | }
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389 | }
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---|
390 |
|
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391 | #endif /* DEPTH != 15 */
|
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392 |
|
---|
393 |
|
---|
394 | /* XXX: optimize */
|
---|
395 |
|
---|
396 | /*
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397 | * 15 bit color
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398 | */
|
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399 | static void RT_CONCAT(vga_draw_line15_, DEPTH)(VGAState *s1, PVGASTATER3 pThisCC, uint8_t *d,
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400 | const uint8_t *s, int width)
|
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401 | {
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402 | RT_NOREF(s1, pThisCC);
|
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403 | #if DEPTH == 15 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
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404 | memcpy(d, s, width * 2);
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405 | #else
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406 | int w;
|
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407 | uint32_t v, r, g, b;
|
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408 |
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409 | w = width;
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410 | do {
|
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411 | v = s[0] | (s[1] << 8);
|
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412 | r = (v >> 7) & 0xf8;
|
---|
413 | g = (v >> 2) & 0xf8;
|
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414 | b = (v << 3) & 0xf8;
|
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415 | ((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
|
---|
416 | s += 2;
|
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417 | d += BPP;
|
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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
|
---|