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Rev | Author | Line No. | Line |
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1928 | art_zh | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; VESA20.INC ;; |
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7 | ;; ;; |
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8 | ;; Vesa 2.0 functions for MenuetOS ;; |
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9 | ;; ;; |
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10 | ;; Copyright 2002 Ville Turjanmaa ;; |
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11 | ;; Alexey, kgaz@crosswindws.net ;; |
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12 | ;; - Voodoo compatible graphics ;; |
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13 | ;; Juan M. Caravaca ;; |
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14 | ;; - Graphics optimimizations eg. drawline ;; |
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15 | ;; ;; |
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16 | ;; See file COPYING for details ;; |
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17 | ;; ;; |
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18 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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19 | |||
20 | $Revision: 1708 $ |
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21 | |||
22 | |||
23 | ;************************************************* |
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24 | ; getpixel |
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25 | ; |
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26 | ; in: |
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27 | ; eax = x coordinate |
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28 | ; ebx = y coordinate |
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29 | ; |
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30 | ; ret: |
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31 | ; ecx = 00 RR GG BB |
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32 | |||
33 | |||
34 | get_pixel: |
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35 | mov ecx, [BytesPerScanLine] |
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36 | imul ecx, ebx |
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37 | lea ecx, [ecx+eax*4] ; ecx = x*4+(y*y multiplier) |
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38 | mov ecx, [ecx+LFB_BASE] |
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39 | and ecx, 0xffffff |
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40 | ret |
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41 | |||
42 | ;************************************************* |
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43 | |||
44 | virtual at esp |
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45 | putimg: |
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46 | .real_sx dd ? |
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47 | .real_sy dd ? |
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48 | .image_sx dd ? |
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49 | .image_sy dd ? |
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50 | .image_cx dd ? |
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51 | .image_cy dd ? |
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52 | .pti dd ? |
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53 | .abs_cx dd ? |
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54 | .abs_cy dd ? |
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55 | .line_increment dd ? |
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56 | .winmap_newline dd ? |
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57 | .screen_newline dd ? |
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58 | .stack_data = 4*12 |
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59 | .edi dd ? |
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60 | .esi dd ? |
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61 | .ebp dd ? |
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62 | .esp dd ? |
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63 | .ebx dd ? |
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64 | .edx dd ? |
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65 | .ecx dd ? |
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66 | .eax dd ? |
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67 | .ret_addr dd ? |
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68 | .arg_0 dd ? |
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69 | end virtual |
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70 | |||
71 | align 16 |
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72 | ; ebx = pointer |
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73 | ; ecx = size [x|y] |
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74 | ; edx = coordinates [x|y] |
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75 | ; ebp = pointer to 'get' function |
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76 | ; esi = pointer to 'init' function |
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77 | ; edi = parameter for 'get' function |
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78 | |||
79 | vesa20_putimage: |
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80 | pushad |
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81 | call [_display.disable_mouse] |
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82 | sub esp, putimg.stack_data |
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83 | ; save pointer to image |
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84 | mov [putimg.pti], ebx |
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85 | ; unpack the size |
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86 | mov eax, ecx |
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87 | and ecx, 0xFFFF |
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88 | shr eax, 16 |
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89 | mov [putimg.image_sx], eax |
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90 | mov [putimg.image_sy], ecx |
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91 | ; unpack the coordinates |
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92 | mov eax, edx |
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93 | and edx, 0xFFFF |
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94 | shr eax, 16 |
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95 | mov [putimg.image_cx], eax |
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96 | mov [putimg.image_cy], edx |
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97 | ; calculate absolute (i.e. screen) coordinates |
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98 | mov eax, [TASK_BASE] |
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99 | mov ebx, [eax-twdw + WDATA.box.left] |
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100 | add ebx, [putimg.image_cx] |
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101 | mov [putimg.abs_cx], ebx |
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102 | mov ebx, [eax-twdw + WDATA.box.top] |
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103 | add ebx, [putimg.image_cy] |
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104 | mov [putimg.abs_cy], ebx |
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105 | ; real_sx = MIN(wnd_sx-image_cx, image_sx); |
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106 | mov ebx, [eax-twdw + WDATA.box.width] ; ebx = wnd_sx |
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107 | inc ebx ; WDATA.box.width is one pixel less than real window x-size |
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108 | sub ebx, [putimg.image_cx] |
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109 | ja @f |
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110 | add esp, putimg.stack_data |
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111 | popad |
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112 | ret |
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113 | @@: |
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114 | cmp ebx, [putimg.image_sx] |
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115 | jbe .end_x |
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116 | mov ebx, [putimg.image_sx] |
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117 | .end_x: |
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118 | mov [putimg.real_sx], ebx |
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119 | ; init real_sy |
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120 | mov ebx, [eax-twdw + WDATA.box.height] ; ebx = wnd_sy |
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121 | inc ebx |
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122 | sub ebx, [putimg.image_cy] |
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123 | ja @f |
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124 | add esp, putimg.stack_data |
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125 | popad |
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126 | ret |
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127 | @@: |
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128 | cmp ebx, [putimg.image_sy] |
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129 | jbe .end_y |
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130 | mov ebx, [putimg.image_sy] |
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131 | .end_y: |
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132 | mov [putimg.real_sy], ebx |
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133 | ; line increment |
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134 | mov eax, [putimg.image_sx] |
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135 | mov ecx, [putimg.real_sx] |
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136 | sub eax, ecx |
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137 | call esi |
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138 | add eax, [putimg.arg_0] |
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139 | mov [putimg.line_increment], eax |
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140 | ; winmap new line increment |
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141 | mov eax, [Screen_Max_X] |
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142 | inc eax |
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143 | sub eax, [putimg.real_sx] |
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144 | mov [putimg.winmap_newline], eax |
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145 | ; screen new line increment |
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146 | mov eax, [BytesPerScanLine] |
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147 | shl ecx, 1 |
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148 | shl ecx, 1 |
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149 | sub eax, ecx |
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150 | mov [putimg.screen_newline], eax |
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151 | ; pointer to image |
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152 | mov esi, [putimg.pti] |
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153 | ; pointer to screen |
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154 | mov edx, [putimg.abs_cy] |
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155 | imul edx, [BytesPerScanLine] |
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156 | mov eax, [putimg.abs_cx] |
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157 | shl eax, 1 |
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158 | shl eax, 1 |
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159 | add edx, eax |
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160 | ; pointer to pixel map |
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161 | mov eax, [putimg.abs_cy] |
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162 | imul eax, [Screen_Max_X] |
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163 | add eax, [putimg.abs_cy] |
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164 | add eax, [putimg.abs_cx] |
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165 | add eax, [_WinMapAddress] |
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166 | xchg eax, ebp |
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167 | ; get process number |
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168 | mov ebx, [CURRENT_TASK] |
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169 | |||
170 | put_image_end_32: |
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171 | mov edi, [putimg.real_sy] |
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172 | align 4 |
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173 | .new_line: |
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174 | mov ecx, [putimg.real_sx] |
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175 | align 4 |
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176 | .new_x: |
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177 | push [putimg.edi] |
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178 | mov eax, [putimg.ebp+4] |
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179 | call eax |
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180 | cmp [ebp], bl |
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181 | jne .skip |
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182 | mov [LFB_BASE+edx], eax |
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183 | .skip: |
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184 | add edx, 4 |
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185 | inc ebp |
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186 | dec ecx |
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187 | jnz .new_x |
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188 | add esi, [putimg.line_increment] |
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189 | add edx, [putimg.screen_newline] ;[BytesPerScanLine] |
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190 | add ebp, [putimg.winmap_newline] ;[Screen_Max_X] |
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191 | cmp [putimg.ebp], putimage_get1bpp |
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192 | jz .correct |
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193 | cmp [putimg.ebp], putimage_get2bpp |
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194 | jz .correct |
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195 | cmp [putimg.ebp], putimage_get4bpp |
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196 | jnz @f |
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197 | .correct: |
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198 | mov eax, [putimg.edi] |
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199 | mov byte [eax], 80h |
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200 | @@: |
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201 | dec edi |
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202 | jnz .new_line |
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203 | .finish: |
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204 | add esp, putimg.stack_data |
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205 | popad |
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206 | ret |
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207 | |||
208 | ;************************************************* |
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209 | align 4 |
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210 | __sys_putpixel: |
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211 | |||
212 | ; eax = x coordinate |
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213 | ; ebx = y coordinate |
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214 | ; ecx = ?? RR GG BB ; 0x01000000 negation |
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215 | ; edi = 0x00000001 force |
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216 | |||
217 | cmp [Screen_Max_X], eax |
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218 | jb .exit |
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219 | cmp [Screen_Max_Y], ebx |
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220 | jb .exit |
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221 | .check_forced: |
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222 | test edi,1 ; force ? |
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223 | jnz .checked |
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224 | |||
225 | .not_forced: |
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226 | push edx |
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227 | mov edx,[_display.width] ; screen x size |
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228 | imul edx, ebx |
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229 | add edx, [_WinMapAddress] |
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230 | movzx edx, byte [eax+edx] |
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231 | cmp edx, [CURRENT_TASK] |
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232 | pop edx |
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233 | jne .exit |
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234 | |||
235 | ; OK to set pixel |
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236 | .checked: |
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237 | push ebx |
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238 | imul ebx, [BytesPerScanLine] |
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239 | lea ebx, [ebx+eax*4] |
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240 | test ecx,0x01000000 |
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241 | jz .noneg |
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242 | mov ecx, [LFB_BASE+ebx] |
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243 | not ecx |
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244 | and ecx, 0x01FFFFFF |
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245 | .noneg: |
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246 | mov [LFB_BASE+ebx], ecx |
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247 | pop ebx |
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248 | .exit: |
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249 | ret |
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250 | |||
251 | |||
252 | |||
253 | align 4 |
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254 | put_pixel: ; left for compatibility with Vesa20_putpixel32 |
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255 | ; eax = x |
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256 | ; ebx = y |
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257 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
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258 | lea edi, [ebx+eax*4] ; edi = x*4+(y*y multiplier) |
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259 | ; mov eax, [esp+32-8+4] ; eax = color |
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260 | mov [LFB_BASE+edi], ecx |
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261 | ret |
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262 | |||
263 | |||
264 | ;************************************************* |
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265 | |||
266 | ;align 4 |
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267 | calculate_edi: |
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268 | mov edi, ebx |
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269 | imul edi, [Screen_Max_X] |
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270 | add edi, ebx |
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271 | add edi, eax |
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272 | ret |
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273 | |||
274 | ;************************************************* |
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275 | |||
276 | ; DRAWLINE |
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277 | |||
278 | align 4 |
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279 | __sys_draw_line: |
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280 | call [_display.disable_mouse] |
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281 | |||
282 | ; draw a line |
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283 | ; eax = HIWORD = x1 |
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284 | ; LOWORD = x2 |
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285 | ; ebx = HIWORD = y1 |
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286 | ; LOWORD = y2 |
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287 | ; ecx = color |
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288 | ; edi = force ? |
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289 | pusha |
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290 | |||
291 | dl_x1 equ esp+20 |
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292 | dl_y1 equ esp+16 |
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293 | dl_x2 equ esp+12 |
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294 | dl_y2 equ esp+8 |
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295 | dl_dx equ esp+4 |
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296 | dl_dy equ esp+0 |
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297 | |||
298 | xor edx, edx ; clear edx |
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299 | xor esi, esi ; unpack arguments |
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300 | xor ebp, ebp |
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301 | mov si, ax ; esi = x2 |
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302 | mov bp, bx ; ebp = y2 |
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303 | shr eax, 16 ; eax = x1 |
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304 | shr ebx, 16 ; ebx = y1 |
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305 | push eax ; save x1 |
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306 | push ebx ; save y1 |
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307 | push esi ; save x2 |
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308 | |||
309 | push ebp ; save y2 |
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310 | ; checking x-axis... |
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311 | sub esi, eax ; esi = x2-x1 |
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312 | push esi ; save y2-y1 |
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313 | jl .x2lx1 ; is x2 less than x1 ? |
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314 | jg .no_vline ; x1 > x2 ? |
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315 | mov edx, ebp ; else (if x1=x2) |
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316 | call vline |
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317 | push edx ; necessary to rightly restore stack frame at .exit |
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318 | jmp .exit |
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319 | .x2lx1: |
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320 | neg esi ; get esi absolute value |
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321 | .no_vline: |
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322 | ; checking y-axis... |
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323 | sub ebp, ebx ; ebp = y2-y1 |
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324 | push ebp ; save y2-y1 |
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325 | jl .y2ly1 ; is y2 less than y1 ? |
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326 | jg .no_hline ; y1 > y2 ? |
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327 | mov edx, [dl_x2] ; else (if y1=y2) |
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328 | call hline |
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329 | jmp .exit |
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330 | |||
331 | .y2ly1: |
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332 | neg ebp ; get ebp absolute value |
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333 | .no_hline: |
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334 | cmp ebp, esi |
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335 | jle .x_rules ; |y2-y1| < |x2-x1| ? |
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336 | cmp [dl_y2], ebx ; make sure y1 is at the begining |
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337 | jge .no_reverse1 |
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338 | neg dword [dl_dx] |
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339 | mov edx, [dl_x2] |
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340 | mov [dl_x2], eax |
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341 | mov [dl_x1], edx |
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342 | mov edx, [dl_y2] |
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343 | mov [dl_y2], ebx |
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344 | mov [dl_y1], edx |
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345 | .no_reverse1: |
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346 | mov eax, [dl_dx] |
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347 | cdq ; extend eax sing to edx |
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348 | shl eax, 16 ; using 16bit fix-point maths |
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349 | idiv ebp ; eax = ((x2-x1)*65536)/(y2-y1) |
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350 | mov edx, ebp ; edx = counter (number of pixels to draw) |
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351 | mov ebp, 1 *65536 ; <<16 ; ebp = dy = 1.0 |
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352 | mov esi, eax ; esi = dx |
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353 | jmp .y_rules |
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354 | |||
355 | .x_rules: |
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356 | cmp [dl_x2], eax ; make sure x1 is at the begining |
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357 | jge .no_reverse2 |
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358 | neg dword [dl_dy] |
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359 | mov edx, [dl_x2] |
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360 | mov [dl_x2], eax |
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361 | mov [dl_x1], edx |
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362 | mov edx, [dl_y2] |
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363 | mov [dl_y2], ebx |
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364 | mov [dl_y1], edx |
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365 | .no_reverse2: |
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366 | xor edx, edx |
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367 | mov eax, [dl_dy] |
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368 | cdq ; extend eax sing to edx |
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369 | shl eax, 16 ; using 16bit fix-point maths |
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370 | idiv esi ; eax = ((y2-y1)*65536)/(x2-x1) |
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371 | mov edx, esi ; edx = counter (number of pixels to draw) |
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372 | mov esi, 1 *65536 ;<< 16 ; esi = dx = 1.0 |
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373 | mov ebp, eax ; ebp = dy |
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374 | .y_rules: |
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375 | mov eax, [dl_x1] |
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376 | mov ebx, [dl_y1] |
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377 | shl eax, 16 |
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378 | shl ebx, 16 |
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379 | align 4 |
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380 | .draw: |
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381 | push eax ebx |
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382 | shr eax, 16 |
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383 | shr ebx, 16 |
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384 | call [putpixel] |
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385 | pop ebx eax |
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386 | add ebx, ebp ; y = y+dy |
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387 | add eax, esi ; x = x+dx |
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388 | dec edx |
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389 | jnz .draw |
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390 | ; force last drawn pixel to be at (x2,y2) |
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391 | mov eax, [dl_x2] |
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392 | mov ebx, [dl_y2] |
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393 | call [putpixel] |
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394 | .exit: |
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395 | add esp, 6*4 |
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396 | popa |
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397 | call [draw_pointer] |
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398 | ret |
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399 | |||
400 | align 4 |
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401 | hline: |
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402 | ; ------------ draw a horizontal line ------------- |
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403 | ; eax = x1 |
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404 | ; edx = x2 |
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405 | ; ebx = y |
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406 | ; ecx = color |
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407 | ; edi = force ? |
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408 | cmp ebx, [Screen_Max_Y] |
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409 | jge .out |
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410 | push eax ebp esi ebx edx |
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411 | bt ecx, 24 ; color inversion check |
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412 | rcl edi,1 ; forced graphics check |
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413 | |||
414 | mov ebp, [_display.width] ; ebp = screen co-ords base |
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415 | imul ebp, ebx |
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416 | add ebp, [_WinMapAddress] |
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417 | |||
418 | cmp edx, eax ; to make sure x2 > x1 |
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419 | jge @f |
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420 | xchg eax, edx |
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421 | @@: |
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422 | cmp eax, [Screen_Max_X] |
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423 | jge .exit |
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424 | imul ebx, [BytesPerScanLine] |
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425 | add ebx, LFB_BASE |
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426 | cmp edx, [Screen_Max_X] ; last check |
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427 | jb .draw |
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428 | mov edx, [Screen_Max_X] |
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429 | |||
430 | .draw: ; -- the line --- |
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431 | jmp dword [hline.drawtable + edi*4] ; a coolhack (C) Serge |
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432 | |||
433 | align 4 |
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434 | .invert_color: |
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435 | mov ecx, [ebx+eax*4] |
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436 | xor ecx, 0x00FFFFFF |
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437 | or ecx, 0x01000000 ; keep bit[24] high ! |
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438 | align 4 |
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439 | .check_overlap: |
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440 | movzx esi, byte [ebp+eax] ; check whether the line covered by other windows |
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441 | cmp esi, [CURRENT_TASK] |
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442 | je .putpixel |
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443 | jmp .nextpixel |
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444 | align 4 |
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445 | .invert_force: |
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446 | mov ecx, [ebx+eax*4] |
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447 | xor ecx, 0x00FFFFFF |
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3168 | art_zh | 448 | bts ecx, 24 ; keep bit[24] high ! |
1928 | art_zh | 449 | align 4 |
450 | .putpixel: |
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451 | mov [ebx+eax*4], ecx |
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452 | align 4 |
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453 | .nextpixel: |
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454 | inc eax |
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455 | cmp eax, edx |
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456 | ja .exit |
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457 | jmp dword [hline.drawtable + edi*4] ; close the loop |
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458 | |||
459 | .exit: |
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460 | shr edi, 1 ; restore the 'force' bit |
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461 | pop edx ebx esi ebp eax |
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462 | .out: |
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463 | ret |
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464 | align 4 |
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465 | .drawtable: |
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2014 | art_zh | 466 | dd .check_overlap ; general case |
1928 | art_zh | 467 | dd .invert_color |
468 | dd .putpixel ; force to draw it |
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469 | dd .invert_force |
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470 | |||
471 | |||
472 | align 4 |
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473 | vline: |
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474 | ; --------- draw a vertical line ------------ |
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475 | ; eax = x |
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476 | ; ebx = y1 |
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477 | ; edx = y2 |
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478 | ; ecx = color |
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479 | ; edi = force ? |
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480 | cmp eax, [Screen_Max_X] |
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481 | jge .out |
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482 | push eax ebp esi ebx edx |
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483 | mov ebp, [_display.width] ; ebp = screen co-ords base |
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484 | imul ebp, ebx |
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485 | add ebp, [_WinMapAddress] |
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486 | add ebp, eax |
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487 | |||
488 | cmp edx, ebx ; to make sure y2 > y1 |
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489 | jge @f |
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490 | xchg ebx, edx |
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491 | @@: |
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492 | cmp ebx, [Screen_Max_Y] |
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493 | jge .exit |
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494 | push ebx |
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495 | imul ebx, [BytesPerScanLine] |
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496 | shl eax, 1 |
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497 | shl eax, 1 |
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498 | add eax, ebx |
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499 | add eax, LFB_BASE |
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2014 | art_zh | 500 | pop ebx ; restore ebx = y1 |
1928 | art_zh | 501 | cmp edx, [Screen_Max_Y] ; the last check |
502 | jb .draw |
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503 | mov edx, [Screen_Max_Y] ; to prevent off-screen drawing |
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504 | |||
2014 | art_zh | 505 | .draw: |
506 | jmp dword [vline.drawtable + edi*4] |
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1928 | art_zh | 507 | align 4 |
508 | .invert_color: |
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509 | mov ecx, [eax] |
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510 | xor ecx, 0x00FFFFFF |
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2014 | art_zh | 511 | or ecx, 0x01000000 |
1928 | art_zh | 512 | align 4 |
513 | .check_overlap: |
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514 | movzx esi, byte [ebp] |
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515 | cmp esi, [CURRENT_TASK] |
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516 | je .putpixel |
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517 | jmp .nextpixel |
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518 | |||
519 | align 4 |
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520 | .invert_force: |
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521 | mov ecx, [eax] |
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522 | xor ecx, 0x00FFFFFF |
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2014 | art_zh | 523 | or ecx, 0x01000000 |
1928 | art_zh | 524 | align 4 |
525 | .putpixel: |
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526 | mov [eax], ecx |
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527 | align 4 |
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528 | .nextpixel: |
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529 | add eax, [BytesPerScanLine] |
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530 | add ebp, [_display.width] |
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531 | inc ebx |
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532 | cmp ebx, edx |
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533 | ja .exit |
||
2014 | art_zh | 534 | jmp dword [vline.drawtable + edi*4] |
1928 | art_zh | 535 | .exit: |
536 | shr edi, 1 |
||
537 | pop edx ebx esi ebp eax |
||
538 | .out: |
||
539 | ret |
||
540 | align 4 |
||
541 | .drawtable: |
||
2014 | art_zh | 542 | dd .check_overlap ; general case |
1928 | art_zh | 543 | dd .invert_color |
544 | dd .putpixel ; force to draw it |
||
545 | dd .invert_force |
||
546 | |||
547 | |||
548 | ;************************************************* |
||
549 | |||
550 | |||
551 | virtual at esp |
||
552 | drbar: |
||
553 | .bar_sx dd ? |
||
554 | .bar_sy dd ? |
||
555 | .bar_cx dd ? |
||
556 | .bar_cy dd ? |
||
557 | .abs_cx dd ? |
||
558 | .abs_cy dd ? |
||
559 | .real_sx dd ? |
||
560 | .real_sy dd ? |
||
561 | .color dd ? |
||
562 | .line_inc_scr dd ? |
||
563 | .line_inc_map dd ? |
||
564 | .stack_data = 4*11 |
||
565 | end virtual |
||
566 | |||
567 | align 4 |
||
568 | ; eax cx |
||
569 | ; ebx cy |
||
570 | ; ecx xe |
||
571 | ; edx ye |
||
572 | ; edi color |
||
573 | vesa20_drawbar: |
||
574 | pushad |
||
575 | call [_display.disable_mouse] |
||
576 | sub esp, drbar.stack_data |
||
577 | mov [drbar.color], edi |
||
578 | sub edx, ebx |
||
2014 | art_zh | 579 | jle .exit |
1928 | art_zh | 580 | sub ecx, eax |
2014 | art_zh | 581 | jle .exit |
1928 | art_zh | 582 | mov [drbar.bar_sy], edx |
583 | mov [drbar.bar_sx], ecx |
||
584 | mov [drbar.bar_cx], eax |
||
585 | mov [drbar.bar_cy], ebx |
||
586 | mov edi, [TASK_BASE] |
||
587 | add eax, [edi-twdw + WDATA.box.left] ; win_cx |
||
588 | add ebx, [edi-twdw + WDATA.box.top] ; win_cy |
||
589 | mov [drbar.abs_cx], eax |
||
590 | mov [drbar.abs_cy], ebx |
||
591 | ; real_sx = MIN(wnd_sx-bar_cx, bar_sx); |
||
592 | mov ebx, [edi-twdw + WDATA.box.width] ; ebx = wnd_sx |
||
593 | ; note that WDATA.box.width is one pixel less than real window x-size |
||
594 | inc ebx |
||
595 | sub ebx, [drbar.bar_cx] |
||
596 | ja @f |
||
2014 | art_zh | 597 | .exit: |
1928 | art_zh | 598 | add esp, drbar.stack_data |
599 | popad |
||
600 | xor eax, eax |
||
601 | inc eax |
||
602 | ret |
||
603 | @@: |
||
604 | cmp ebx, [drbar.bar_sx] |
||
605 | jbe .end_x |
||
606 | mov ebx, [drbar.bar_sx] |
||
607 | .end_x: |
||
608 | mov [drbar.real_sx], ebx |
||
609 | ; real_sy = MIN(wnd_sy-bar_cy, bar_sy); |
||
610 | mov ebx, [edi-twdw + WDATA.box.height] ; ebx = wnd_sy |
||
611 | inc ebx |
||
612 | sub ebx, [drbar.bar_cy] |
||
613 | ja @f |
||
614 | add esp, drbar.stack_data |
||
615 | popad |
||
616 | xor eax, eax |
||
617 | inc eax |
||
618 | ret |
||
619 | @@: |
||
620 | cmp ebx, [drbar.bar_sy] |
||
621 | jbe .end_y |
||
622 | mov ebx, [drbar.bar_sy] |
||
623 | .end_y: |
||
624 | mov [drbar.real_sy], ebx |
||
625 | ; line_inc_map |
||
626 | mov eax, [Screen_Max_X] |
||
627 | sub eax, [drbar.real_sx] |
||
628 | inc eax |
||
629 | mov [drbar.line_inc_map], eax |
||
630 | ; line_inc_scr |
||
631 | mov eax, [drbar.real_sx] |
||
632 | shl eax, 1 |
||
633 | shl eax, 1 |
||
634 | neg eax |
||
635 | add eax, [BytesPerScanLine] |
||
636 | mov [drbar.line_inc_scr], eax |
||
637 | ; pointer to screen |
||
638 | mov edx, [drbar.abs_cy] |
||
639 | imul edx, [BytesPerScanLine] |
||
640 | mov eax, [drbar.abs_cx] |
||
641 | shl eax, 1 |
||
642 | shl eax, 1 |
||
643 | add edx, eax |
||
644 | ; pointer to pixel map |
||
645 | mov eax, [drbar.abs_cy] |
||
646 | imul eax, [Screen_Max_X] |
||
647 | add eax, [drbar.abs_cy] |
||
648 | add eax, [drbar.abs_cx] |
||
649 | add eax, [_WinMapAddress] |
||
650 | xchg eax, ebp |
||
651 | ; get process number |
||
652 | mov ebx, [CURRENT_TASK] |
||
653 | |||
654 | draw_bar_end_32: |
||
655 | ; eax - color high RRGG |
||
656 | ; bl - process num |
||
657 | ; bh - color low BB |
||
658 | ; ecx - temp |
||
659 | ; edx - pointer to screen |
||
660 | ; esi - counter |
||
661 | ; edi - counter |
||
662 | mov eax, [drbar.color] ;; BBGGRR00 |
||
663 | mov esi, [drbar.real_sy] |
||
664 | align 4 |
||
665 | .new_y: |
||
666 | mov edi, [drbar.real_sx] |
||
667 | align 4 |
||
668 | .new_x: |
||
669 | cmp byte [ebp], bl |
||
670 | jne .skip |
||
671 | |||
672 | mov [LFB_BASE+edx], eax |
||
673 | .skip: |
||
674 | ; add pixel |
||
675 | add edx, 4 |
||
676 | inc ebp |
||
677 | dec edi |
||
678 | jnz .new_x |
||
679 | ; add line |
||
680 | add edx, [drbar.line_inc_scr] |
||
681 | add ebp, [drbar.line_inc_map] |
||
682 | ; |
||
683 | test eax, 0x80000000 |
||
684 | jz @f |
||
685 | test al, al |
||
686 | jz @f |
||
687 | dec al |
||
688 | @@: |
||
689 | ; |
||
690 | dec esi |
||
691 | jnz .new_y |
||
692 | add esp, drbar.stack_data |
||
693 | popad |
||
694 | xor eax, eax |
||
695 | ret |
||
696 | |||
697 | |||
698 | align 4 |
||
699 | vesa20_drawbackground_tiled: |
||
700 | call [_display.disable_mouse] |
||
701 | pushad |
||
702 | ; External loop for all y from start to end |
||
703 | mov ebx, [draw_data+32+RECT.top] ; y start |
||
704 | dp2: |
||
705 | mov ebp, [draw_data+32+RECT.left] ; x start |
||
706 | ; 1) Calculate pointers in WinMapAddress (does pixel belong to OS thread?) [ebp] |
||
707 | ; and LFB data (output for our function) [edi] |
||
708 | mov eax, [BytesPerScanLine] |
||
709 | mul ebx |
||
710 | xchg ebp, eax |
||
711 | add ebp, eax |
||
712 | add ebp, eax |
||
713 | add ebp, eax |
||
714 | add ebp, eax |
||
715 | add ebp, LFB_BASE |
||
716 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
717 | call calculate_edi |
||
718 | xchg edi, ebp |
||
719 | add ebp, [_WinMapAddress] |
||
720 | ; Now eax=x, ebx=y, edi->output, ebp=offset in WinMapAddress |
||
721 | ; 2) Calculate offset in background memory block |
||
722 | push eax |
||
723 | xor edx, edx |
||
724 | mov eax, ebx |
||
725 | div dword [BgrDataHeight] ; edx := y mod BgrDataHeight |
||
726 | pop eax |
||
727 | push eax |
||
728 | mov ecx, [BgrDataWidth] |
||
729 | mov esi, edx |
||
730 | imul esi, ecx ; esi := (y mod BgrDataHeight) * BgrDataWidth |
||
731 | xor edx, edx |
||
732 | div ecx ; edx := x mod BgrDataWidth |
||
733 | sub ecx, edx |
||
734 | add esi, edx ; esi := (y mod BgrDataHeight)*BgrDataWidth + (x mod BgrDataWidth) |
||
735 | pop eax |
||
736 | lea esi, [esi*3] |
||
737 | add esi, [img_background] |
||
738 | xor edx, edx |
||
739 | inc edx |
||
740 | ; 3) Loop through redraw rectangle and copy background data |
||
741 | ; Registers meaning: |
||
742 | ; eax = x, ebx = y (screen coordinates) |
||
743 | ; ecx = deltax - number of pixels left in current tile block |
||
744 | ; edx = 1 |
||
745 | ; esi -> bgr memory, edi -> output |
||
746 | ; ebp = offset in WinMapAddress |
||
747 | dp3: |
||
748 | cmp [ebp], dl |
||
749 | jnz nbgp |
||
750 | movsb |
||
751 | movsb |
||
752 | movsb |
||
753 | jmp @f |
||
754 | nbgp: |
||
755 | add esi, 3 |
||
756 | add edi, 3 |
||
757 | @@: |
||
2014 | art_zh | 758 | inc edi ; +1 for 32 bpp |
1928 | art_zh | 759 | add ebp, edx |
760 | add eax, edx |
||
761 | cmp eax, [draw_data+32+RECT.right] |
||
762 | ja dp4 |
||
763 | sub ecx, edx |
||
764 | jnz dp3 |
||
765 | ; next tile block on x-axis |
||
766 | mov ecx, [BgrDataWidth] |
||
767 | sub esi, ecx |
||
768 | sub esi, ecx |
||
769 | sub esi, ecx |
||
770 | jmp dp3 |
||
771 | dp4: |
||
772 | ; next scan line |
||
773 | inc ebx |
||
774 | cmp ebx, [draw_data+32+RECT.bottom] |
||
775 | jbe dp2 |
||
776 | popad |
||
777 | ret |
||
778 | |||
779 | ; ---------- |
||
780 | |||
781 | |||
782 | vesa20_drawbackground_stretch: |
||
783 | call [_display.disable_mouse] |
||
784 | pushad |
||
785 | ; Helper variables |
||
786 | ; calculate 2^32*(BgrDataWidth-1) mod (ScreenWidth-1) |
||
787 | mov eax, [BgrDataWidth] |
||
788 | dec eax |
||
789 | xor edx, edx |
||
790 | div dword [Screen_Max_X] |
||
791 | push eax ; high |
||
792 | xor eax, eax |
||
793 | div dword [Screen_Max_X] |
||
794 | push eax ; low |
||
795 | ; the same for height |
||
796 | mov eax, [BgrDataHeight] |
||
797 | dec eax |
||
798 | xor edx, edx |
||
799 | div dword [Screen_Max_Y] |
||
800 | push eax ; high |
||
801 | xor eax, eax |
||
802 | div dword [Screen_Max_Y] |
||
803 | push eax ; low |
||
804 | ; External loop for all y from start to end |
||
805 | mov ebx, [draw_data+32+RECT.top] ; y start |
||
806 | mov ebp, [draw_data+32+RECT.left] ; x start |
||
807 | ; 1) Calculate pointers in WinMapAddress (does pixel belong to OS thread?) [ebp] |
||
808 | ; and LFB data (output for our function) [edi] |
||
809 | mov eax, [BytesPerScanLine] |
||
810 | mul ebx |
||
811 | xchg ebp, eax |
||
812 | add ebp, eax |
||
813 | add ebp, eax |
||
814 | add ebp, eax |
||
815 | add ebp, eax |
||
816 | |||
817 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
818 | call calculate_edi |
||
819 | xchg edi, ebp |
||
820 | ; Now eax=x, ebx=y, edi->output, ebp=offset in WinMapAddress |
||
821 | push ebx |
||
822 | push eax |
||
823 | ; 2) Calculate offset in background memory block |
||
824 | mov eax, ebx |
||
825 | imul ebx, dword [esp+12] |
||
826 | mul dword [esp+8] |
||
827 | add edx, ebx ; edx:eax = y * 2^32*(BgrDataHeight-1)/(ScreenHeight-1) |
||
828 | mov esi, edx |
||
829 | imul esi, [BgrDataWidth] |
||
830 | push edx |
||
831 | push eax |
||
832 | mov eax, [esp+8] |
||
833 | mul dword [esp+28] |
||
834 | push eax |
||
835 | mov eax, [esp+12] |
||
836 | mul dword [esp+28] |
||
837 | add [esp], edx |
||
838 | pop edx ; edx:eax = x * 2^32*(BgrDataWidth-1)/(ScreenWidth-1) |
||
839 | add esi, edx |
||
840 | lea esi, [esi*3] |
||
841 | add esi, [img_background] |
||
842 | push eax |
||
843 | push edx |
||
844 | push esi |
||
845 | ; 3) Smooth horizontal |
||
846 | bgr_resmooth0: |
||
847 | mov ecx, [esp+8] |
||
848 | mov edx, [esp+4] |
||
849 | mov esi, [esp] |
||
850 | push edi |
||
851 | mov edi, bgr_cur_line |
||
852 | call smooth_line |
||
853 | bgr_resmooth1: |
||
854 | mov eax, [esp+16+4] |
||
855 | inc eax |
||
856 | cmp eax, [BgrDataHeight] |
||
857 | jae bgr.no2nd |
||
858 | mov ecx, [esp+8+4] |
||
859 | mov edx, [esp+4+4] |
||
860 | mov esi, [esp+4] |
||
861 | add esi, [BgrDataWidth] |
||
862 | add esi, [BgrDataWidth] |
||
863 | add esi, [BgrDataWidth] |
||
864 | mov edi, bgr_next_line |
||
865 | call smooth_line |
||
866 | bgr.no2nd: |
||
867 | pop edi |
||
868 | sdp3: |
||
869 | xor esi, esi |
||
870 | mov ecx, [esp+12] |
||
871 | ; 4) Loop through redraw rectangle and copy background data |
||
872 | ; Registers meaning: |
||
873 | ; esi = offset in current line, edi -> output |
||
874 | ; ebp = offset in WinMapAddress |
||
875 | ; dword [esp] = offset in bgr data |
||
876 | ; qword [esp+4] = x * 2^32 * (BgrDataWidth-1) / (ScreenWidth-1) |
||
877 | ; qword [esp+12] = y * 2^32 * (BgrDataHeight-1) / (ScreenHeight-1) |
||
878 | ; dword [esp+20] = x |
||
879 | ; dword [esp+24] = y |
||
880 | ; precalculated constants: |
||
881 | ; qword [esp+28] = 2^32*(BgrDataHeight-1)/(ScreenHeight-1) |
||
882 | ; qword [esp+36] = 2^32*(BgrDataWidth-1)/(ScreenWidth-1) |
||
883 | sdp3a: |
||
884 | mov eax, [_WinMapAddress] |
||
885 | cmp [ebp+eax], byte 1 |
||
886 | jnz snbgp |
||
887 | mov eax, [bgr_cur_line+esi] |
||
888 | test ecx, ecx |
||
889 | jz .novert |
||
890 | mov ebx, [bgr_next_line+esi] |
||
891 | call [overlapping_of_points_ptr] |
||
892 | .novert: |
||
893 | |||
894 | mov [LFB_BASE+edi], ax |
||
895 | shr eax, 16 |
||
896 | |||
897 | mov [LFB_BASE+edi+2], al |
||
898 | snbgp: |
||
899 | add edi, 4 |
||
900 | inc ebp |
||
901 | mov eax, [esp+20] |
||
902 | inc eax |
||
903 | mov [esp+20], eax |
||
904 | add esi, 4 |
||
905 | cmp eax, [draw_data+32+RECT.right] |
||
906 | jbe sdp3a |
||
907 | sdp4: |
||
908 | ; next y |
||
909 | mov ebx, [esp+24] |
||
910 | inc ebx |
||
911 | mov [esp+24], ebx |
||
912 | cmp ebx, [draw_data+32+RECT.bottom] |
||
913 | ja sdpdone |
||
914 | ; advance edi, ebp to next scan line |
||
915 | sub eax, [draw_data+32+RECT.left] |
||
916 | sub ebp, eax |
||
917 | add ebp, [Screen_Max_X] |
||
918 | inc ebp |
||
919 | sub edi, eax |
||
920 | sub edi, eax |
||
921 | sub edi, eax |
||
922 | sub edi, eax |
||
923 | add edi, [BytesPerScanLine] |
||
924 | ; restore ecx,edx; advance esi to next background line |
||
925 | mov eax, [esp+28] |
||
926 | mov ebx, [esp+32] |
||
927 | add [esp+12], eax |
||
928 | mov eax, [esp+16] |
||
929 | adc [esp+16], ebx |
||
930 | sub eax, [esp+16] |
||
931 | mov ebx, eax |
||
932 | lea eax, [eax*3] |
||
933 | imul eax, [BgrDataWidth] |
||
934 | sub [esp], eax |
||
935 | mov eax, [draw_data+32+RECT.left] |
||
936 | mov [esp+20], eax |
||
937 | test ebx, ebx |
||
938 | jz sdp3 |
||
939 | cmp ebx, -1 |
||
940 | jnz bgr_resmooth0 |
||
941 | push edi |
||
942 | mov esi, bgr_next_line |
||
943 | mov edi, bgr_cur_line |
||
944 | mov ecx, [Screen_Max_X] |
||
945 | inc ecx |
||
946 | rep movsd |
||
947 | jmp bgr_resmooth1 |
||
948 | sdpdone: |
||
949 | add esp, 44 |
||
950 | popad |
||
951 | ret |
||
952 | |||
953 | uglobal |
||
954 | align 4 |
||
955 | bgr_cur_line rd 1920 ; maximum width of screen |
||
956 | bgr_next_line rd 1920 |
||
957 | endg |
||
958 | |||
3168 | art_zh | 959 | |
1928 | art_zh | 960 | smooth_line: |
961 | mov al, [esi+2] |
||
962 | shl eax, 16 |
||
963 | mov ax, [esi] |
||
964 | test ecx, ecx |
||
965 | jz @f |
||
966 | mov ebx, [esi+2] |
||
967 | shr ebx, 8 |
||
968 | call [overlapping_of_points_ptr] |
||
969 | @@: |
||
970 | stosd |
||
971 | mov eax, [esp+20+8] |
||
972 | inc eax |
||
973 | mov [esp+20+8], eax |
||
974 | cmp eax, [draw_data+32+RECT.right] |
||
975 | ja @f |
||
976 | add ecx, [esp+36+8] |
||
977 | mov eax, edx |
||
978 | adc edx, [esp+40+8] |
||
979 | sub eax, edx |
||
980 | lea eax, [eax*3] |
||
981 | sub esi, eax |
||
982 | jmp smooth_line |
||
983 | @@: |
||
984 | mov eax, [draw_data+32+RECT.left] |
||
985 | mov [esp+20+8], eax |
||
986 | ret |
||
987 | |||
988 | align 16 |
||
989 | overlapping_of_points: |
||
990 | push ecx edx |
||
991 | mov edx, eax |
||
992 | push esi |
||
993 | shr ecx, 26 |
||
994 | mov esi, ecx |
||
995 | mov ecx, ebx |
||
996 | shl esi, 9 |
||
997 | movzx ebx, dl |
||
998 | movzx eax, cl |
||
999 | sub eax, ebx |
||
1000 | movzx ebx, dh |
||
1001 | add dl, [BgrAuxTable+(eax+0x100)+esi] |
||
1002 | movzx eax, ch |
||
1003 | sub eax, ebx |
||
1004 | add dh, [BgrAuxTable+(eax+0x100)+esi] |
||
1005 | ror ecx, 16 |
||
1006 | ror edx, 16 |
||
1007 | movzx eax, cl |
||
1008 | movzx ebx, dl |
||
1009 | sub eax, ebx |
||
1010 | add dl, [BgrAuxTable+(eax+0x100)+esi] |
||
1011 | pop esi |
||
1012 | mov eax, edx |
||
1013 | pop edx |
||
1014 | ror eax, 16 |
||
1015 | pop ecx |
||
1016 | ret |
||
1017 | |||
1018 | iglobal |
||
1019 | align 4 |
||
1020 | overlapping_of_points_ptr dd overlapping_of_points |
||
1021 | endg |
||
1022 | |||
3168 | art_zh | 1023 | align 16 |
1024 | overlapping_of_points_mmx: |
||
1025 | movd mm0, eax |
||
1026 | movd mm4, eax |
||
1027 | movd mm1, ebx |
||
1028 | pxor mm2, mm2 |
||
1029 | punpcklbw mm0, mm2 |
||
1030 | punpcklbw mm1, mm2 |
||
1031 | psubw mm1, mm0 |
||
1032 | movd mm3, ecx |
||
1033 | psrld mm3, 24 |
||
1034 | packuswb mm3, mm3 |
||
1035 | packuswb mm3, mm3 |
||
1036 | pmullw mm1, mm3 |
||
1037 | psrlw mm1, 8 |
||
1038 | packuswb mm1, mm2 |
||
1039 | paddb mm4, mm1 |
||
1040 | movd eax, mm4 |
||
1041 | ret |
||
1042 | |||
1043 | |||
1044 | |||
1928 | art_zh | 1045 | init_background: |
1046 | mov edi, BgrAuxTable |
||
1047 | xor edx, edx |
||
1048 | .loop2: |
||
1049 | mov eax, edx |
||
1050 | shl eax, 8 |
||
1051 | neg eax |
||
1052 | mov ecx, 0x200 |
||
1053 | .loop1: |
||
1054 | mov byte [edi], ah |
||
1055 | inc edi |
||
1056 | add eax, edx |
||
1057 | loop .loop1 |
||
1058 | add dl, 4 |
||
1059 | jnz .loop2 |
||
1060 | test byte [cpu_caps+(CAPS_MMX/8)], 1 shl (CAPS_MMX mod 8) |
||
1061 | jz @f |
||
1062 | mov [overlapping_of_points_ptr], overlapping_of_points_mmx |
||
1063 | @@: |
||
1064 | ret |
||
1065 | |||
3168 | art_zh | 1066 | |
2014 | art_zh | 1067 | ;diff16 "VESA2 code end ",0,$ |
1068 | diff10 "VESA2 code size",get_pixel,$><>16><16>> |
||
1928 | art_zh | 1069 |