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Rev | Author | Line No. | Line |
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2288 | clevermous | 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: 2430 $ |
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21 | |||
22 | |||
23 | ; If you're planning to write your own video driver I suggest |
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24 | ; you replace the VESA12.INC file and see those instructions. |
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25 | |||
26 | ;Screen_Max_X equ 0xfe00 |
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27 | ;Screen_Max_Y equ 0xfe04 |
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28 | ;BytesPerScanLine equ 0xfe08 |
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29 | ;LFBAddress equ 0xfe80 |
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30 | ;ScreenBPP equ 0xfbf1 |
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31 | |||
32 | |||
33 | |||
2430 | mario79 | 34 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 35 | ; getpixel |
36 | ; |
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37 | ; in: |
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38 | ; eax = x coordinate |
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39 | ; ebx = y coordinate |
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40 | ; |
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41 | ; ret: |
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42 | ; ecx = 00 RR GG BB |
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2430 | mario79 | 43 | ;----------------------------------------------------------------------------- |
44 | align 4 |
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2288 | clevermous | 45 | getpixel: |
46 | push eax ebx edx edi |
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47 | call dword [GETPIXEL] |
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48 | pop edi edx ebx eax |
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49 | ret |
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2430 | mario79 | 50 | ;----------------------------------------------------------------------------- |
51 | align 4 |
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2288 | clevermous | 52 | Vesa20_getpixel24: |
53 | ; eax = x |
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54 | ; ebx = y |
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2430 | mario79 | 55 | ;-------------------------------------- |
56 | ; check mouse area for putpixel |
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57 | test ecx, 0x04000000 ; don't load to mouseunder area |
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58 | jnz .no_mouseunder |
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59 | call [_display.check_m_pixel] |
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60 | test ecx, ecx ;0xff000000 |
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61 | jnz @f |
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62 | .no_mouseunder: |
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63 | ;-------------------------------------- |
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2288 | clevermous | 64 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
65 | lea edi, [eax+eax*2]; edi = x*3 |
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66 | add edi, ebx ; edi = x*3+(y*y multiplier) |
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67 | mov ecx, [LFB_BASE+edi] |
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2430 | mario79 | 68 | ;-------------------------------------- |
69 | align 4 |
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70 | @@: |
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2288 | clevermous | 71 | and ecx, 0xffffff |
72 | ret |
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2430 | mario79 | 73 | ;----------------------------------------------------------------------------- |
74 | align 4 |
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2288 | clevermous | 75 | Vesa20_getpixel32: |
2430 | mario79 | 76 | ;-------------------------------------- |
77 | ; check mouse area for putpixel |
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78 | test ecx, 0x04000000 ; don't load to mouseunder area |
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79 | jnz .no_mouseunder |
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80 | call [_display.check_m_pixel] |
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81 | test ecx, ecx ;0xff000000 |
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82 | jnz @f |
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83 | .no_mouseunder: |
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84 | ;-------------------------------------- |
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2288 | clevermous | 85 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
86 | lea edi, [ebx+eax*4]; edi = x*4+(y*y multiplier) |
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87 | mov ecx, [LFB_BASE+edi] |
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2430 | mario79 | 88 | ;-------------------------------------- |
89 | align 4 |
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90 | @@: |
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2288 | clevermous | 91 | and ecx, 0xffffff |
92 | ret |
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2430 | mario79 | 93 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 94 | virtual at esp |
95 | putimg: |
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96 | .real_sx dd ? |
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97 | .real_sy dd ? |
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98 | .image_sx dd ? |
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99 | .image_sy dd ? |
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100 | .image_cx dd ? |
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101 | .image_cy dd ? |
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102 | .pti dd ? |
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103 | .abs_cx dd ? |
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104 | .abs_cy dd ? |
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105 | .line_increment dd ? |
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106 | .winmap_newline dd ? |
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107 | .screen_newline dd ? |
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2430 | mario79 | 108 | .real_sx_and_abs_cx dd ? |
109 | .real_sy_and_abs_cy dd ? |
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110 | .stack_data = 4*14 |
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2288 | clevermous | 111 | .edi dd ? |
112 | .esi dd ? |
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113 | .ebp dd ? |
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114 | .esp dd ? |
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115 | .ebx dd ? |
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116 | .edx dd ? |
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117 | .ecx dd ? |
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118 | .eax dd ? |
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119 | .ret_addr dd ? |
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120 | .arg_0 dd ? |
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121 | end virtual |
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2430 | mario79 | 122 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 123 | align 16 |
124 | ; ebx = pointer |
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125 | ; ecx = size [x|y] |
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126 | ; edx = coordinates [x|y] |
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127 | ; ebp = pointer to 'get' function |
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128 | ; esi = pointer to 'init' function |
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129 | ; edi = parameter for 'get' function |
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130 | vesa20_putimage: |
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131 | pushad |
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132 | sub esp, putimg.stack_data |
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133 | ; save pointer to image |
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134 | mov [putimg.pti], ebx |
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135 | ; unpack the size |
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136 | mov eax, ecx |
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137 | and ecx, 0xFFFF |
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138 | shr eax, 16 |
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139 | mov [putimg.image_sx], eax |
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140 | mov [putimg.image_sy], ecx |
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141 | ; unpack the coordinates |
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142 | mov eax, edx |
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143 | and edx, 0xFFFF |
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144 | shr eax, 16 |
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145 | mov [putimg.image_cx], eax |
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146 | mov [putimg.image_cy], edx |
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147 | ; calculate absolute (i.e. screen) coordinates |
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148 | mov eax, [TASK_BASE] |
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149 | mov ebx, [eax-twdw + WDATA.box.left] |
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150 | add ebx, [putimg.image_cx] |
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151 | mov [putimg.abs_cx], ebx |
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152 | mov ebx, [eax-twdw + WDATA.box.top] |
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153 | add ebx, [putimg.image_cy] |
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154 | mov [putimg.abs_cy], ebx |
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155 | ; real_sx = MIN(wnd_sx-image_cx, image_sx); |
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156 | mov ebx, [eax-twdw + WDATA.box.width]; ebx = wnd_sx |
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157 | ; \begin{diamond}[20.08.2006] |
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158 | ; note that WDATA.box.width is one pixel less than real window x-size |
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159 | inc ebx |
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160 | ; \end{diamond}[20.08.2006] |
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161 | sub ebx, [putimg.image_cx] |
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162 | ja @f |
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163 | add esp, putimg.stack_data |
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164 | popad |
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165 | ret |
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2430 | mario79 | 166 | ;-------------------------------------- |
167 | align 4 |
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2288 | clevermous | 168 | @@: |
169 | cmp ebx, [putimg.image_sx] |
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170 | jbe .end_x |
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171 | mov ebx, [putimg.image_sx] |
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2430 | mario79 | 172 | ;-------------------------------------- |
173 | align 4 |
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2288 | clevermous | 174 | .end_x: |
175 | mov [putimg.real_sx], ebx |
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176 | ; init real_sy |
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177 | mov ebx, [eax-twdw + WDATA.box.height]; ebx = wnd_sy |
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178 | ; \begin{diamond}[20.08.2006] |
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179 | inc ebx |
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180 | ; \end{diamond}[20.08.2006] |
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181 | sub ebx, [putimg.image_cy] |
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182 | ja @f |
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183 | add esp, putimg.stack_data |
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184 | popad |
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185 | ret |
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2430 | mario79 | 186 | ;-------------------------------------- |
187 | align 4 |
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2288 | clevermous | 188 | @@: |
189 | cmp ebx, [putimg.image_sy] |
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190 | jbe .end_y |
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191 | mov ebx, [putimg.image_sy] |
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2430 | mario79 | 192 | ;-------------------------------------- |
193 | align 4 |
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2288 | clevermous | 194 | .end_y: |
195 | mov [putimg.real_sy], ebx |
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196 | ; line increment |
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197 | mov eax, [putimg.image_sx] |
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198 | mov ecx, [putimg.real_sx] |
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199 | sub eax, ecx |
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200 | ;; imul eax, [putimg.source_bpp] |
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201 | ; lea eax, [eax + eax * 2] |
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202 | call esi |
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203 | add eax, [putimg.arg_0] |
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204 | mov [putimg.line_increment], eax |
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205 | ; winmap new line increment |
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206 | mov eax, [Screen_Max_X] |
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207 | inc eax |
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208 | sub eax, [putimg.real_sx] |
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209 | mov [putimg.winmap_newline], eax |
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210 | ; screen new line increment |
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211 | mov eax, [BytesPerScanLine] |
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212 | movzx ebx, byte [ScreenBPP] |
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213 | shr ebx, 3 |
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214 | imul ecx, ebx |
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215 | sub eax, ecx |
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216 | mov [putimg.screen_newline], eax |
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217 | ; pointer to image |
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218 | mov esi, [putimg.pti] |
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219 | ; pointer to screen |
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220 | mov edx, [putimg.abs_cy] |
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221 | imul edx, [BytesPerScanLine] |
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222 | mov eax, [putimg.abs_cx] |
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223 | movzx ebx, byte [ScreenBPP] |
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224 | shr ebx, 3 |
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225 | imul eax, ebx |
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226 | add edx, eax |
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227 | ; pointer to pixel map |
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228 | mov eax, [putimg.abs_cy] |
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229 | imul eax, [Screen_Max_X] |
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230 | add eax, [putimg.abs_cy] |
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231 | add eax, [putimg.abs_cx] |
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232 | add eax, [_WinMapAddress] |
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233 | xchg eax, ebp |
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2430 | mario79 | 234 | ;-------------------------------------- |
235 | mov ecx, [putimg.real_sx] |
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236 | add ecx, [putimg.abs_cx] |
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237 | mov [putimg.real_sx_and_abs_cx], ecx |
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238 | mov ecx, [putimg.real_sy] |
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239 | add ecx, [putimg.abs_cy] |
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240 | mov [putimg.real_sy_and_abs_cy], ecx |
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241 | ;-------------------------------------- |
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2288 | clevermous | 242 | ; get process number |
243 | mov ebx, [CURRENT_TASK] |
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244 | cmp byte [ScreenBPP], 32 |
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245 | je put_image_end_32 |
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246 | ;put_image_end_24: |
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247 | mov edi, [putimg.real_sy] |
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2430 | mario79 | 248 | ;-------------------------------------- |
249 | align 4 |
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2288 | clevermous | 250 | .new_line: |
251 | mov ecx, [putimg.real_sx] |
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252 | ; push ebp edx |
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2430 | mario79 | 253 | ;-------------------------------------- |
254 | align 4 |
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2288 | clevermous | 255 | .new_x: |
256 | push [putimg.edi] |
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257 | mov eax, [putimg.ebp+4] |
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258 | call eax |
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259 | cmp [ebp], bl |
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260 | jne .skip |
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2430 | mario79 | 261 | ;-------------------------------------- |
262 | push ecx |
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263 | |||
264 | neg ecx |
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265 | add ecx, [putimg.real_sx_and_abs_cx + 4] |
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266 | shl ecx, 16 |
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267 | add ecx, [putimg.real_sy_and_abs_cy + 4] |
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268 | sub ecx, edi |
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269 | |||
270 | ; check mouse area for putpixel |
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271 | call [_display.check_mouse] |
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272 | pop ecx |
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273 | ; store to real LFB |
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2288 | clevermous | 274 | mov [LFB_BASE+edx], ax |
275 | shr eax, 16 |
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276 | mov [LFB_BASE+edx+2], al |
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2430 | mario79 | 277 | ;-------------------------------------- |
278 | align 4 |
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2288 | clevermous | 279 | .skip: |
280 | ; add esi, 3 ;[putimg.source_bpp] |
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281 | add edx, 3 |
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282 | inc ebp |
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283 | dec ecx |
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284 | jnz .new_x |
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285 | ; pop edx ebp |
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286 | add esi, [putimg.line_increment] |
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287 | add edx, [putimg.screen_newline];[BytesPerScanLine] |
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288 | add ebp, [putimg.winmap_newline];[Screen_Max_X] |
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289 | ; inc ebp |
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290 | cmp [putimg.ebp], putimage_get1bpp |
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291 | jz .correct |
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292 | cmp [putimg.ebp], putimage_get2bpp |
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293 | jz .correct |
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294 | cmp [putimg.ebp], putimage_get4bpp |
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295 | jnz @f |
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2430 | mario79 | 296 | ;-------------------------------------- |
297 | align 4 |
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2288 | clevermous | 298 | .correct: |
299 | mov eax, [putimg.edi] |
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300 | mov byte [eax], 80h |
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2430 | mario79 | 301 | ;-------------------------------------- |
302 | align 4 |
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2288 | clevermous | 303 | @@: |
304 | dec edi |
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305 | jnz .new_line |
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2430 | mario79 | 306 | ;-------------------------------------- |
307 | align 4 |
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2288 | clevermous | 308 | .finish: |
309 | add esp, putimg.stack_data |
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310 | popad |
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311 | ret |
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2430 | mario79 | 312 | ;------------------------------------------------------------------------------ |
313 | align 4 |
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2288 | clevermous | 314 | put_image_end_32: |
315 | mov edi, [putimg.real_sy] |
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2430 | mario79 | 316 | ;-------------------------------------- |
317 | align 4 |
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2288 | clevermous | 318 | .new_line: |
319 | mov ecx, [putimg.real_sx] |
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320 | ; push ebp edx |
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2430 | mario79 | 321 | ;-------------------------------------- |
322 | align 4 |
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2288 | clevermous | 323 | .new_x: |
324 | push [putimg.edi] |
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325 | mov eax, [putimg.ebp+4] |
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326 | call eax |
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327 | cmp [ebp], bl |
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328 | jne .skip |
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2430 | mario79 | 329 | ;-------------------------------------- |
330 | push ecx |
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331 | |||
332 | neg ecx |
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333 | add ecx, [putimg.real_sx_and_abs_cx + 4] |
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334 | shl ecx, 16 |
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335 | add ecx, [putimg.real_sy_and_abs_cy + 4] |
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336 | sub ecx, edi |
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337 | |||
338 | ; check mouse area for putpixel |
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339 | call [_display.check_mouse] |
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340 | pop ecx |
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341 | ; store to real LFB |
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2288 | clevermous | 342 | mov [LFB_BASE+edx], eax |
2430 | mario79 | 343 | ;-------------------------------------- |
344 | align 4 |
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2288 | clevermous | 345 | .skip: |
346 | ; add esi, [putimg.source_bpp] |
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347 | add edx, 4 |
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348 | inc ebp |
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349 | dec ecx |
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350 | jnz .new_x |
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351 | ; pop edx ebp |
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352 | add esi, [putimg.line_increment] |
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353 | add edx, [putimg.screen_newline];[BytesPerScanLine] |
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354 | add ebp, [putimg.winmap_newline];[Screen_Max_X] |
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355 | ; inc ebp |
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356 | cmp [putimg.ebp], putimage_get1bpp |
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357 | jz .correct |
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358 | cmp [putimg.ebp], putimage_get2bpp |
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359 | jz .correct |
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360 | cmp [putimg.ebp], putimage_get4bpp |
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361 | jnz @f |
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2430 | mario79 | 362 | ;-------------------------------------- |
363 | align 4 |
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2288 | clevermous | 364 | .correct: |
365 | mov eax, [putimg.edi] |
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366 | mov byte [eax], 80h |
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2430 | mario79 | 367 | ;-------------------------------------- |
368 | align 4 |
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2288 | clevermous | 369 | @@: |
370 | dec edi |
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371 | jnz .new_line |
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2430 | mario79 | 372 | ;-------------------------------------- |
373 | align 4 |
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2288 | clevermous | 374 | .finish: |
375 | add esp, putimg.stack_data |
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376 | popad |
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377 | call VGA__putimage |
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378 | mov [EGA_counter], 1 |
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379 | ret |
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2430 | mario79 | 380 | ;------------------------------------------------------------------------------ |
2288 | clevermous | 381 | align 4 |
382 | __sys_putpixel: |
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383 | |||
384 | ; eax = x coordinate |
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385 | ; ebx = y coordinate |
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386 | ; ecx = ?? RR GG BB ; 0x01000000 negation |
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2423 | mario79 | 387 | ; 0x02000000 used for draw_rectangle without top line |
388 | ; for example drawwindow_III and drawwindow_IV |
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2288 | clevermous | 389 | ; edi = 0x00000001 force |
390 | |||
391 | ;;; mov [novesachecksum], dword 0 |
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392 | pushad |
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393 | cmp [Screen_Max_X], eax |
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394 | jb .exit |
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395 | cmp [Screen_Max_Y], ebx |
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396 | jb .exit |
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397 | test edi, 1 ; force ? |
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398 | jnz .forced |
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399 | |||
400 | ; not forced: |
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401 | |||
402 | push eax |
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403 | mov edx, [_display.width]; screen x size |
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404 | imul edx, ebx |
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405 | add eax, [_WinMapAddress] |
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406 | movzx edx, byte [eax+edx] |
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407 | cmp edx, [CURRENT_TASK] |
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408 | pop eax |
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409 | jne .exit |
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2430 | mario79 | 410 | ;-------------------------------------- |
411 | align 4 |
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2288 | clevermous | 412 | .forced: |
413 | ; check if negation |
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414 | test ecx, 0x01000000 |
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415 | jz .noneg |
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2430 | mario79 | 416 | |
2288 | clevermous | 417 | call getpixel |
418 | not ecx |
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2430 | mario79 | 419 | |
420 | rol ecx, 8 |
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421 | mov cl, [esp+32-8+3] |
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422 | ror ecx, 8 |
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2288 | clevermous | 423 | mov [esp+32-8], ecx |
2430 | mario79 | 424 | ;-------------------------------------- |
425 | align 4 |
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2288 | clevermous | 426 | .noneg: |
427 | ; OK to set pixel |
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428 | call dword [PUTPIXEL]; call the real put_pixel function |
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2430 | mario79 | 429 | ;-------------------------------------- |
430 | align 4 |
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2288 | clevermous | 431 | .exit: |
432 | popad |
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433 | ret |
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2430 | mario79 | 434 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 435 | align 4 |
436 | Vesa20_putpixel24: |
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437 | ; eax = x |
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438 | ; ebx = y |
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2430 | mario79 | 439 | mov ecx, eax |
440 | shl ecx, 16 |
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441 | mov cx, bx |
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442 | |||
2288 | clevermous | 443 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
444 | lea edi, [eax+eax*2]; edi = x*3 |
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445 | mov eax, [esp+32-8+4] |
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2430 | mario79 | 446 | ;-------------------------------------- |
447 | ; check mouse area for putpixel |
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448 | test eax, 0x04000000 |
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449 | jnz @f |
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450 | call [_display.check_mouse] |
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451 | ;-------------------------------------- |
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452 | align 4 |
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453 | @@: |
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454 | ; store to real LFB |
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2288 | clevermous | 455 | mov [LFB_BASE+ebx+edi], ax |
456 | shr eax, 16 |
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457 | mov [LFB_BASE+ebx+edi+2], al |
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2430 | mario79 | 458 | ;-------------------------------------- |
2288 | clevermous | 459 | ret |
2430 | mario79 | 460 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 461 | align 4 |
462 | Vesa20_putpixel32: |
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463 | ; eax = x |
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464 | ; ebx = y |
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2430 | mario79 | 465 | mov ecx, eax |
466 | shl ecx, 16 |
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467 | mov cx, bx |
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468 | |||
2288 | clevermous | 469 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
470 | lea edi, [ebx+eax*4]; edi = x*4+(y*y multiplier) |
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471 | mov eax, [esp+32-8+4]; eax = color |
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2430 | mario79 | 472 | ;-------------------------------------- |
473 | ; check mouse area for putpixel |
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474 | test eax, 0x04000000 |
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475 | jnz @f |
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476 | call [_display.check_mouse] |
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477 | ;-------------------------------------- |
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478 | align 4 |
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479 | @@: |
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480 | and eax, 0xffffff |
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481 | ; store to real LFB |
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2288 | clevermous | 482 | mov [LFB_BASE+edi], eax |
2430 | mario79 | 483 | ;-------------------------------------- |
2288 | clevermous | 484 | ret |
2430 | mario79 | 485 | ;----------------------------------------------------------------------------- |
486 | align 4 |
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2288 | clevermous | 487 | calculate_edi: |
488 | mov edi, ebx |
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489 | imul edi, [Screen_Max_X] |
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490 | add edi, ebx |
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491 | add edi, eax |
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492 | ret |
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2430 | mario79 | 493 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 494 | ; DRAWLINE |
2430 | mario79 | 495 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 496 | align 4 |
497 | __sys_draw_line: |
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498 | ; draw a line |
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499 | ; eax = HIWORD = x1 |
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500 | ; LOWORD = x2 |
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501 | ; ebx = HIWORD = y1 |
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502 | ; LOWORD = y2 |
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503 | ; ecx = color |
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504 | ; edi = force ? |
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505 | pusha |
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506 | |||
507 | dl_x1 equ esp+20 |
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508 | dl_y1 equ esp+16 |
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509 | dl_x2 equ esp+12 |
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510 | dl_y2 equ esp+8 |
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511 | dl_dx equ esp+4 |
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512 | dl_dy equ esp+0 |
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513 | |||
514 | xor edx, edx ; clear edx |
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515 | xor esi, esi ; unpack arguments |
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516 | xor ebp, ebp |
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517 | mov si, ax ; esi = x2 |
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518 | mov bp, bx ; ebp = y2 |
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519 | shr eax, 16 ; eax = x1 |
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520 | shr ebx, 16 ; ebx = y1 |
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521 | push eax ; save x1 |
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522 | push ebx ; save y1 |
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523 | push esi ; save x2 |
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524 | push ebp ; save y2 |
||
525 | ; checking x-axis... |
||
526 | sub esi, eax ; esi = x2-x1 |
||
527 | push esi ; save y2-y1 |
||
528 | jl .x2lx1 ; is x2 less than x1 ? |
||
529 | jg .no_vline ; x1 > x2 ? |
||
530 | mov edx, ebp ; else (if x1=x2) |
||
531 | call vline |
||
532 | push edx ; necessary to rightly restore stack frame at .exit |
||
533 | jmp .exit |
||
2430 | mario79 | 534 | ;-------------------------------------- |
535 | align 4 |
||
2288 | clevermous | 536 | .x2lx1: |
537 | neg esi ; get esi absolute value |
||
2430 | mario79 | 538 | ;-------------------------------------- |
539 | align 4 |
||
2288 | clevermous | 540 | .no_vline: |
541 | ; checking y-axis... |
||
542 | sub ebp, ebx ; ebp = y2-y1 |
||
543 | push ebp ; save y2-y1 |
||
544 | jl .y2ly1 ; is y2 less than y1 ? |
||
545 | jg .no_hline ; y1 > y2 ? |
||
546 | mov edx, [dl_x2]; else (if y1=y2) |
||
547 | call hline |
||
548 | jmp .exit |
||
2430 | mario79 | 549 | ;-------------------------------------- |
550 | align 4 |
||
2288 | clevermous | 551 | .y2ly1: |
552 | neg ebp ; get ebp absolute value |
||
2430 | mario79 | 553 | ;-------------------------------------- |
554 | align 4 |
||
2288 | clevermous | 555 | .no_hline: |
556 | cmp ebp, esi |
||
557 | jle .x_rules ; |y2-y1| < |x2-x1| ? |
||
558 | cmp [dl_y2], ebx; make sure y1 is at the begining |
||
559 | jge .no_reverse1 |
||
560 | neg dword [dl_dx] |
||
561 | mov edx, [dl_x2] |
||
562 | mov [dl_x2], eax |
||
563 | mov [dl_x1], edx |
||
564 | mov edx, [dl_y2] |
||
565 | mov [dl_y2], ebx |
||
566 | mov [dl_y1], edx |
||
2430 | mario79 | 567 | ;-------------------------------------- |
568 | align 4 |
||
2288 | clevermous | 569 | .no_reverse1: |
570 | mov eax, [dl_dx] |
||
571 | cdq ; extend eax sing to edx |
||
572 | shl eax, 16 ; using 16bit fix-point maths |
||
573 | idiv ebp ; eax = ((x2-x1)*65536)/(y2-y1) |
||
2353 | mario79 | 574 | ;-------------------------------------- |
575 | ; correction for the remainder of the division |
||
576 | shl edx, 1 |
||
577 | cmp ebp, edx |
||
578 | jb @f |
||
579 | inc eax |
||
2430 | mario79 | 580 | ;-------------------------------------- |
581 | align 4 |
||
2353 | mario79 | 582 | @@: |
583 | ;-------------------------------------- |
||
2288 | clevermous | 584 | mov edx, ebp ; edx = counter (number of pixels to draw) |
585 | mov ebp, 1 *65536; <<16 ; ebp = dy = 1.0 |
||
586 | mov esi, eax ; esi = dx |
||
587 | jmp .y_rules |
||
2430 | mario79 | 588 | ;-------------------------------------- |
589 | align 4 |
||
2288 | clevermous | 590 | .x_rules: |
591 | cmp [dl_x2], eax ; make sure x1 is at the begining |
||
592 | jge .no_reverse2 |
||
593 | neg dword [dl_dy] |
||
594 | mov edx, [dl_x2] |
||
595 | mov [dl_x2], eax |
||
596 | mov [dl_x1], edx |
||
597 | mov edx, [dl_y2] |
||
598 | mov [dl_y2], ebx |
||
599 | mov [dl_y1], edx |
||
2430 | mario79 | 600 | ;-------------------------------------- |
601 | align 4 |
||
2288 | clevermous | 602 | .no_reverse2: |
603 | xor edx, edx |
||
604 | mov eax, [dl_dy] |
||
605 | cdq ; extend eax sing to edx |
||
606 | shl eax, 16 ; using 16bit fix-point maths |
||
607 | idiv esi ; eax = ((y2-y1)*65536)/(x2-x1) |
||
2353 | mario79 | 608 | ;-------------------------------------- |
609 | ; correction for the remainder of the division |
||
610 | shl edx, 1 |
||
611 | cmp esi, edx |
||
612 | jb @f |
||
613 | inc eax |
||
2430 | mario79 | 614 | ;-------------------------------------- |
615 | align 4 |
||
2353 | mario79 | 616 | @@: |
617 | ;-------------------------------------- |
||
2288 | clevermous | 618 | mov edx, esi ; edx = counter (number of pixels to draw) |
619 | mov esi, 1 *65536;<< 16 ; esi = dx = 1.0 |
||
620 | mov ebp, eax ; ebp = dy |
||
2430 | mario79 | 621 | ;-------------------------------------- |
622 | align 4 |
||
2288 | clevermous | 623 | .y_rules: |
624 | mov eax, [dl_x1] |
||
625 | mov ebx, [dl_y1] |
||
626 | shl eax, 16 |
||
627 | shl ebx, 16 |
||
2353 | mario79 | 628 | ;----------------------------------------------------------------------------- |
2288 | clevermous | 629 | align 4 |
630 | .draw: |
||
631 | push eax ebx |
||
2353 | mario79 | 632 | ;-------------------------------------- |
633 | ; correction for the remainder of the division |
||
634 | test ah, 0x80 |
||
635 | jz @f |
||
636 | add eax, 1 shl 16 |
||
2430 | mario79 | 637 | ;-------------------------------------- |
638 | align 4 |
||
2353 | mario79 | 639 | @@: |
640 | ;-------------------------------------- |
||
2288 | clevermous | 641 | shr eax, 16 |
2353 | mario79 | 642 | ;-------------------------------------- |
643 | ; correction for the remainder of the division |
||
644 | test bh, 0x80 |
||
645 | jz @f |
||
646 | add ebx, 1 shl 16 |
||
2430 | mario79 | 647 | ;-------------------------------------- |
648 | align 4 |
||
2353 | mario79 | 649 | @@: |
650 | ;-------------------------------------- |
||
2288 | clevermous | 651 | shr ebx, 16 |
2430 | mario79 | 652 | and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area |
2288 | clevermous | 653 | call [putpixel] |
654 | pop ebx eax |
||
655 | add ebx, ebp ; y = y+dy |
||
656 | add eax, esi ; x = x+dx |
||
657 | dec edx |
||
658 | jnz .draw |
||
659 | ; force last drawn pixel to be at (x2,y2) |
||
660 | mov eax, [dl_x2] |
||
661 | mov ebx, [dl_y2] |
||
2430 | mario79 | 662 | and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area |
2288 | clevermous | 663 | call [putpixel] |
2430 | mario79 | 664 | ;-------------------------------------- |
665 | align 4 |
||
2288 | clevermous | 666 | .exit: |
667 | add esp, 6*4 |
||
668 | popa |
||
2430 | mario79 | 669 | ; call [draw_pointer] |
2288 | clevermous | 670 | ret |
2430 | mario79 | 671 | ;------------------------------------------------------------------------------ |
672 | align 4 |
||
2288 | clevermous | 673 | hline: |
674 | ; draw an horizontal line |
||
675 | ; eax = x1 |
||
676 | ; edx = x2 |
||
677 | ; ebx = y |
||
678 | ; ecx = color |
||
679 | ; edi = force ? |
||
680 | push eax edx |
||
681 | cmp edx, eax ; make sure x2 is above x1 |
||
682 | jge @f |
||
683 | xchg eax, edx |
||
2430 | mario79 | 684 | ;-------------------------------------- |
685 | align 4 |
||
2288 | clevermous | 686 | @@: |
2430 | mario79 | 687 | and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area |
2288 | clevermous | 688 | call [putpixel] |
689 | inc eax |
||
690 | cmp eax, edx |
||
691 | jle @b |
||
692 | pop edx eax |
||
693 | ret |
||
2430 | mario79 | 694 | ;------------------------------------------------------------------------------ |
695 | align 4 |
||
2288 | clevermous | 696 | vline: |
697 | ; draw a vertical line |
||
698 | ; eax = x |
||
699 | ; ebx = y1 |
||
700 | ; edx = y2 |
||
701 | ; ecx = color |
||
702 | ; edi = force ? |
||
703 | push ebx edx |
||
704 | cmp edx, ebx ; make sure y2 is above y1 |
||
705 | jge @f |
||
706 | xchg ebx, edx |
||
2430 | mario79 | 707 | ;-------------------------------------- |
708 | align 4 |
||
2288 | clevermous | 709 | @@: |
2430 | mario79 | 710 | and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area |
2288 | clevermous | 711 | call [putpixel] |
712 | inc ebx |
||
713 | cmp ebx, edx |
||
714 | jle @b |
||
715 | pop edx ebx |
||
716 | ret |
||
2430 | mario79 | 717 | ;------------------------------------------------------------------------------ |
718 | align 4 |
||
2288 | clevermous | 719 | virtual at esp |
720 | drbar: |
||
721 | .bar_sx dd ? |
||
722 | .bar_sy dd ? |
||
723 | .bar_cx dd ? |
||
724 | .bar_cy dd ? |
||
725 | .abs_cx dd ? |
||
726 | .abs_cy dd ? |
||
727 | .real_sx dd ? |
||
728 | .real_sy dd ? |
||
729 | .color dd ? |
||
730 | .line_inc_scr dd ? |
||
731 | .line_inc_map dd ? |
||
2430 | mario79 | 732 | .real_sx_and_abs_cx dd ? |
733 | .real_sy_and_abs_cy dd ? |
||
734 | .stack_data = 4*13 |
||
2288 | clevermous | 735 | end virtual |
2430 | mario79 | 736 | ;-------------------------------------- |
2288 | clevermous | 737 | align 4 |
738 | ; eax cx |
||
739 | ; ebx cy |
||
740 | ; ecx xe |
||
741 | ; edx ye |
||
742 | ; edi color |
||
743 | vesa20_drawbar: |
||
744 | pushad |
||
745 | sub esp, drbar.stack_data |
||
746 | mov [drbar.color], edi |
||
747 | sub edx, ebx |
||
748 | jle .exit ;// mike.dld, 2005-01-29 |
||
749 | sub ecx, eax |
||
750 | jle .exit ;// mike.dld, 2005-01-29 |
||
751 | mov [drbar.bar_sy], edx |
||
752 | mov [drbar.bar_sx], ecx |
||
753 | mov [drbar.bar_cx], eax |
||
754 | mov [drbar.bar_cy], ebx |
||
755 | mov edi, [TASK_BASE] |
||
756 | add eax, [edi-twdw + WDATA.box.left]; win_cx |
||
757 | add ebx, [edi-twdw + WDATA.box.top]; win_cy |
||
758 | mov [drbar.abs_cx], eax |
||
759 | mov [drbar.abs_cy], ebx |
||
760 | ; real_sx = MIN(wnd_sx-bar_cx, bar_sx); |
||
761 | mov ebx, [edi-twdw + WDATA.box.width]; ebx = wnd_sx |
||
762 | ; \begin{diamond}[20.08.2006] |
||
763 | ; note that WDATA.box.width is one pixel less than real window x-size |
||
764 | inc ebx |
||
765 | ; \end{diamond}[20.08.2006] |
||
766 | sub ebx, [drbar.bar_cx] |
||
767 | ja @f |
||
2430 | mario79 | 768 | ;-------------------------------------- |
769 | align 4 |
||
2288 | clevermous | 770 | .exit: ;// mike.dld, 2005-01-29 |
771 | add esp, drbar.stack_data |
||
772 | popad |
||
773 | xor eax, eax |
||
774 | inc eax |
||
775 | ret |
||
2430 | mario79 | 776 | ;-------------------------------------- |
777 | align 4 |
||
2288 | clevermous | 778 | @@: |
779 | cmp ebx, [drbar.bar_sx] |
||
780 | jbe .end_x |
||
781 | mov ebx, [drbar.bar_sx] |
||
2430 | mario79 | 782 | ;-------------------------------------- |
783 | align 4 |
||
2288 | clevermous | 784 | .end_x: |
785 | mov [drbar.real_sx], ebx |
||
786 | ; real_sy = MIN(wnd_sy-bar_cy, bar_sy); |
||
787 | mov ebx, [edi-twdw + WDATA.box.height]; ebx = wnd_sy |
||
788 | ; \begin{diamond}[20.08.2006] |
||
789 | inc ebx |
||
790 | ; \end{diamond} |
||
791 | sub ebx, [drbar.bar_cy] |
||
792 | ja @f |
||
793 | add esp, drbar.stack_data |
||
794 | popad |
||
795 | xor eax, eax |
||
796 | inc eax |
||
797 | ret |
||
2430 | mario79 | 798 | ;-------------------------------------- |
799 | align 4 |
||
2288 | clevermous | 800 | @@: |
801 | cmp ebx, [drbar.bar_sy] |
||
802 | jbe .end_y |
||
803 | mov ebx, [drbar.bar_sy] |
||
2430 | mario79 | 804 | ;-------------------------------------- |
805 | align 4 |
||
2288 | clevermous | 806 | .end_y: |
807 | mov [drbar.real_sy], ebx |
||
808 | ; line_inc_map |
||
809 | mov eax, [Screen_Max_X] |
||
810 | sub eax, [drbar.real_sx] |
||
811 | inc eax |
||
812 | mov [drbar.line_inc_map], eax |
||
813 | ; line_inc_scr |
||
814 | mov eax, [drbar.real_sx] |
||
815 | movzx ebx, byte [ScreenBPP] |
||
816 | shr ebx, 3 |
||
817 | imul eax, ebx |
||
818 | neg eax |
||
819 | add eax, [BytesPerScanLine] |
||
820 | mov [drbar.line_inc_scr], eax |
||
821 | ; pointer to screen |
||
822 | mov edx, [drbar.abs_cy] |
||
823 | imul edx, [BytesPerScanLine] |
||
824 | mov eax, [drbar.abs_cx] |
||
825 | ; movzx ebx, byte [ScreenBPP] |
||
826 | ; shr ebx, 3 |
||
827 | imul eax, ebx |
||
828 | add edx, eax |
||
829 | ; pointer to pixel map |
||
830 | mov eax, [drbar.abs_cy] |
||
831 | imul eax, [Screen_Max_X] |
||
832 | add eax, [drbar.abs_cy] |
||
833 | add eax, [drbar.abs_cx] |
||
834 | add eax, [_WinMapAddress] |
||
835 | xchg eax, ebp |
||
2430 | mario79 | 836 | ;-------------------------------------- |
837 | mov ebx, [drbar.real_sx] |
||
838 | add ebx, [drbar.abs_cx] |
||
839 | mov [drbar.real_sx_and_abs_cx], ebx |
||
840 | mov ebx, [drbar.real_sy] |
||
841 | add ebx, [drbar.abs_cy] |
||
842 | mov [drbar.real_sy_and_abs_cy], ebx |
||
843 | |||
844 | add edx, LFB_BASE |
||
845 | ;-------------------------------------- |
||
2288 | clevermous | 846 | ; get process number |
847 | mov ebx, [CURRENT_TASK] |
||
848 | cmp byte [ScreenBPP], 24 |
||
849 | jne draw_bar_end_32 |
||
2430 | mario79 | 850 | ;-------------------------------------- |
851 | align 4 |
||
2288 | clevermous | 852 | draw_bar_end_24: |
853 | mov eax, [drbar.color] ;; BBGGRR00 |
||
854 | mov bh, al ;; bh = BB |
||
855 | shr eax, 8 ;; eax = RRGG |
||
856 | ; eax - color high RRGG |
||
857 | ; bl - process num |
||
858 | ; bh - color low BB |
||
859 | ; ecx - temp |
||
860 | ; edx - pointer to screen |
||
861 | ; esi - counter |
||
862 | ; edi - counter |
||
863 | mov esi, [drbar.real_sy] |
||
2430 | mario79 | 864 | cmp [_display.select_cursor], 0 |
865 | jne draw_bar_end_24_new |
||
866 | ;-------------------------------------- |
||
867 | align 4 |
||
2288 | clevermous | 868 | .new_y: |
869 | mov edi, [drbar.real_sx] |
||
2430 | mario79 | 870 | ;-------------------------------------- |
871 | align 4 |
||
2288 | clevermous | 872 | .new_x: |
873 | cmp byte [ebp], bl |
||
874 | jne .skip |
||
2430 | mario79 | 875 | ;-------------------------------------- |
876 | push eax |
||
2288 | clevermous | 877 | |
2430 | mario79 | 878 | mov ecx, [drbar.real_sx_and_abs_cx + 4] |
879 | sub ecx, edi |
||
880 | shl ecx, 16 |
||
881 | add ecx, [drbar.real_sy_and_abs_cy + 4] |
||
882 | sub ecx, esi |
||
883 | |||
884 | shl eax, 8 |
||
885 | mov al, bh |
||
886 | ; check mouse area for putpixel |
||
887 | call check_mouse_area_for_putpixel |
||
888 | ; store to real LFB |
||
889 | mov [edx], ax |
||
890 | shr eax, 16 |
||
891 | mov [edx + 2], al |
||
892 | pop eax |
||
893 | ;-------------------------------------- |
||
894 | align 4 |
||
2288 | clevermous | 895 | .skip: |
896 | ; add pixel |
||
897 | add edx, 3 |
||
898 | inc ebp |
||
899 | dec edi |
||
900 | jnz .new_x |
||
901 | ; add line |
||
902 | add edx, [drbar.line_inc_scr] |
||
903 | add ebp, [drbar.line_inc_map] |
||
904 | ; |
||
905 | test eax, 0x00800000 |
||
906 | jz @f |
||
907 | test bh, bh |
||
908 | jz @f |
||
909 | dec bh |
||
2430 | mario79 | 910 | ;-------------------------------------- |
911 | align 4 |
||
2288 | clevermous | 912 | @@: |
913 | ; |
||
914 | dec esi |
||
915 | jnz .new_y |
||
2430 | mario79 | 916 | ;-------------------------------------- |
917 | align 4 |
||
918 | .end: |
||
2288 | clevermous | 919 | add esp, drbar.stack_data |
920 | popad |
||
921 | xor eax, eax |
||
922 | ret |
||
2430 | mario79 | 923 | ;-------------------------------------- |
924 | align 4 |
||
925 | draw_bar_end_24_new: |
||
926 | ;-------------------------------------- |
||
927 | align 4 |
||
928 | .new_y: |
||
929 | mov edi, [drbar.real_sx] |
||
930 | ;-------------------------------------- |
||
931 | align 4 |
||
932 | .new_x: |
||
933 | cmp byte [ebp], bl |
||
934 | jne .skip |
||
935 | ;-------------------------------------- |
||
936 | mov ecx, [drbar.real_sy_and_abs_cy] |
||
937 | sub ecx, esi |
||
938 | ;-------------------------------------- |
||
939 | ; check for Y |
||
940 | cmp cx, [Y_UNDER_subtraction_CUR_hot_y] |
||
941 | jb .no_mouse_area |
||
2288 | clevermous | 942 | |
2430 | mario79 | 943 | cmp cx, [Y_UNDER_sub_CUR_hot_y_add_curh] |
944 | jae .no_mouse_area |
||
945 | |||
946 | rol ecx, 16 |
||
947 | add ecx, [drbar.real_sx_and_abs_cx] |
||
948 | sub ecx, edi |
||
949 | ;-------------------------------------- |
||
950 | ; check for X |
||
951 | cmp cx, [X_UNDER_subtraction_CUR_hot_x] |
||
952 | jb .no_mouse_area |
||
953 | |||
954 | cmp cx, [X_UNDER_sub_CUR_hot_x_add_curh] |
||
955 | jae .no_mouse_area |
||
956 | ;-------------------------------------- |
||
957 | ; check mouse area for putpixel |
||
958 | push eax |
||
959 | |||
960 | shl eax, 8 |
||
961 | mov al, bh |
||
962 | |||
963 | call check_mouse_area_for_putpixel_new.1 |
||
964 | ; store to real LFB |
||
965 | mov [edx], ax |
||
966 | shr eax, 16 |
||
967 | mov [edx + 2], al |
||
968 | pop eax |
||
969 | jmp .skip |
||
970 | ; store to real LFB |
||
971 | ;-------------------------------------- |
||
972 | align 4 |
||
973 | .no_mouse_area: |
||
974 | mov [edx], bh |
||
975 | mov [edx + 1], ax |
||
976 | ;-------------------------------------- |
||
977 | align 4 |
||
978 | .skip: |
||
979 | ; add pixel |
||
980 | add edx, 3 |
||
981 | inc ebp |
||
982 | dec edi |
||
983 | jnz .new_x |
||
984 | ; add line |
||
985 | add edx, [drbar.line_inc_scr] |
||
986 | add ebp, [drbar.line_inc_map] |
||
987 | ; |
||
988 | test eax, 0x00800000 |
||
989 | jz @f |
||
990 | test bh, bh |
||
991 | jz @f |
||
992 | dec bh |
||
993 | ;-------------------------------------- |
||
994 | align 4 |
||
995 | @@: |
||
996 | ; |
||
997 | dec esi |
||
998 | jnz .new_y |
||
999 | jmp draw_bar_end_24.end |
||
1000 | ;-------------------------------------- |
||
1001 | align 4 |
||
2288 | clevermous | 1002 | draw_bar_end_32: |
1003 | mov eax, [drbar.color] ;; BBGGRR00 |
||
1004 | mov esi, [drbar.real_sy] |
||
2430 | mario79 | 1005 | cmp [_display.select_cursor], 0 |
1006 | jne draw_bar_end_32_new |
||
1007 | ;-------------------------------------- |
||
1008 | align 4 |
||
2288 | clevermous | 1009 | .new_y: |
1010 | mov edi, [drbar.real_sx] |
||
2430 | mario79 | 1011 | ;-------------------------------------- |
1012 | align 4 |
||
2288 | clevermous | 1013 | .new_x: |
1014 | cmp byte [ebp], bl |
||
1015 | jne .skip |
||
2430 | mario79 | 1016 | ;-------------------------------------- |
1017 | push eax |
||
2288 | clevermous | 1018 | |
2430 | mario79 | 1019 | mov ecx, [drbar.real_sx_and_abs_cx + 4] |
1020 | sub ecx, edi |
||
1021 | shl ecx, 16 |
||
1022 | add ecx, [drbar.real_sy_and_abs_cy + 4] |
||
1023 | sub ecx, esi |
||
1024 | |||
1025 | ; check mouse area for putpixel |
||
1026 | call check_mouse_area_for_putpixel |
||
1027 | ; store to real LFB |
||
1028 | mov [edx], eax |
||
1029 | pop eax |
||
1030 | ;-------------------------------------- |
||
1031 | align 4 |
||
2288 | clevermous | 1032 | .skip: |
1033 | ; add pixel |
||
1034 | add edx, 4 |
||
1035 | inc ebp |
||
1036 | dec edi |
||
1037 | jnz .new_x |
||
1038 | ; add line |
||
1039 | add edx, [drbar.line_inc_scr] |
||
1040 | add ebp, [drbar.line_inc_map] |
||
1041 | ; |
||
1042 | test eax, 0x80000000 |
||
1043 | jz @f |
||
1044 | test al, al |
||
1045 | jz @f |
||
1046 | dec al |
||
2430 | mario79 | 1047 | ;-------------------------------------- |
1048 | align 4 |
||
2288 | clevermous | 1049 | @@: |
1050 | ; |
||
1051 | dec esi |
||
1052 | jnz .new_y |
||
2430 | mario79 | 1053 | ;-------------------------------------- |
1054 | align 4 |
||
1055 | .end: |
||
2288 | clevermous | 1056 | add esp, drbar.stack_data |
1057 | popad |
||
1058 | call VGA_draw_bar |
||
1059 | xor eax, eax |
||
1060 | mov [EGA_counter], 1 |
||
1061 | ret |
||
2430 | mario79 | 1062 | ;-------------------------------------- |
1063 | align 4 |
||
1064 | draw_bar_end_32_new: |
||
1065 | ;-------------------------------------- |
||
1066 | align 4 |
||
1067 | .new_y: |
||
1068 | mov edi, [drbar.real_sx] |
||
1069 | ;-------------------------------------- |
||
1070 | align 4 |
||
1071 | .new_x: |
||
1072 | cmp byte [ebp], bl |
||
1073 | jne .skip |
||
1074 | ;-------------------------------------- |
||
1075 | mov ecx, [drbar.real_sy_and_abs_cy] |
||
1076 | sub ecx, esi |
||
1077 | ;-------------------------------------- |
||
1078 | ; check for Y |
||
1079 | cmp cx, [Y_UNDER_subtraction_CUR_hot_y] |
||
1080 | jb .no_mouse_area |
||
2288 | clevermous | 1081 | |
2430 | mario79 | 1082 | cmp cx, [Y_UNDER_sub_CUR_hot_y_add_curh] |
1083 | jae .no_mouse_area |
||
1084 | |||
1085 | rol ecx, 16 |
||
1086 | add ecx, [drbar.real_sx_and_abs_cx] |
||
1087 | sub ecx, edi |
||
1088 | ;-------------------------------------- |
||
1089 | ; check for X |
||
1090 | cmp cx, [X_UNDER_subtraction_CUR_hot_x] |
||
1091 | jb .no_mouse_area |
||
1092 | |||
1093 | cmp cx, [X_UNDER_sub_CUR_hot_x_add_curh] |
||
1094 | jae .no_mouse_area |
||
1095 | ;-------------------------------------- |
||
1096 | ; check mouse area for putpixel |
||
1097 | push eax |
||
1098 | call check_mouse_area_for_putpixel_new.1 |
||
1099 | mov [edx], eax |
||
1100 | pop eax |
||
1101 | jmp .skip |
||
1102 | ; store to real LFB |
||
1103 | ;-------------------------------------- |
||
2288 | clevermous | 1104 | align 4 |
2430 | mario79 | 1105 | .no_mouse_area: |
1106 | mov [edx], eax |
||
1107 | ;-------------------------------------- |
||
1108 | align 4 |
||
1109 | .skip: |
||
1110 | ; add pixel |
||
1111 | add edx, 4 |
||
1112 | inc ebp |
||
1113 | dec edi |
||
1114 | jnz .new_x |
||
1115 | ; add line |
||
1116 | add edx, [drbar.line_inc_scr] |
||
1117 | add ebp, [drbar.line_inc_map] |
||
1118 | ; |
||
1119 | test eax, 0x80000000 |
||
1120 | jz @f |
||
1121 | test al, al |
||
1122 | jz @f |
||
1123 | dec al |
||
1124 | ;-------------------------------------- |
||
1125 | align 4 |
||
1126 | @@: |
||
1127 | ; |
||
1128 | dec esi |
||
1129 | jnz .new_y |
||
1130 | jmp draw_bar_end_32.end |
||
1131 | ;------------------------------------------------------------------------------ |
||
1132 | align 4 |
||
2288 | clevermous | 1133 | vesa20_drawbackground_tiled: |
1134 | pushad |
||
1135 | ; External loop for all y from start to end |
||
1136 | mov ebx, [draw_data+32+RECT.top] ; y start |
||
2430 | mario79 | 1137 | ;-------------------------------------- |
1138 | align 4 |
||
2288 | clevermous | 1139 | dp2: |
1140 | mov ebp, [draw_data+32+RECT.left] ; x start |
||
1141 | ; 1) Calculate pointers in WinMapAddress (does pixel belong to OS thread?) [ebp] |
||
1142 | ; and LFB data (output for our function) [edi] |
||
1143 | mov eax, [BytesPerScanLine] |
||
1144 | mul ebx |
||
1145 | xchg ebp, eax |
||
1146 | add ebp, eax |
||
1147 | add ebp, eax |
||
1148 | add ebp, eax |
||
1149 | cmp [ScreenBPP], byte 24 ; 24 or 32 bpp ? - x size |
||
1150 | jz @f |
||
1151 | add ebp, eax |
||
2430 | mario79 | 1152 | ;-------------------------------------- |
1153 | align 4 |
||
2288 | clevermous | 1154 | @@: |
1155 | add ebp, LFB_BASE |
||
1156 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
1157 | call calculate_edi |
||
1158 | xchg edi, ebp |
||
1159 | add ebp, [_WinMapAddress] |
||
1160 | ; Now eax=x, ebx=y, edi->output, ebp=offset in WinMapAddress |
||
1161 | ; 2) Calculate offset in background memory block |
||
1162 | push eax |
||
1163 | xor edx, edx |
||
1164 | mov eax, ebx |
||
1165 | div dword [BgrDataHeight] ; edx := y mod BgrDataHeight |
||
1166 | pop eax |
||
1167 | push eax |
||
1168 | mov ecx, [BgrDataWidth] |
||
1169 | mov esi, edx |
||
1170 | imul esi, ecx ; esi := (y mod BgrDataHeight) * BgrDataWidth |
||
1171 | xor edx, edx |
||
1172 | div ecx ; edx := x mod BgrDataWidth |
||
1173 | sub ecx, edx |
||
1174 | add esi, edx ; esi := (y mod BgrDataHeight)*BgrDataWidth + (x mod BgrDataWidth) |
||
1175 | pop eax |
||
1176 | lea esi, [esi*3] |
||
1177 | add esi, [img_background] |
||
1178 | xor edx, edx |
||
1179 | inc edx |
||
1180 | ; 3) Loop through redraw rectangle and copy background data |
||
1181 | ; Registers meaning: |
||
1182 | ; eax = x, ebx = y (screen coordinates) |
||
1183 | ; ecx = deltax - number of pixels left in current tile block |
||
1184 | ; edx = 1 |
||
1185 | ; esi -> bgr memory, edi -> output |
||
1186 | ; ebp = offset in WinMapAddress |
||
2430 | mario79 | 1187 | ;-------------------------------------- |
1188 | align 4 |
||
2288 | clevermous | 1189 | dp3: |
1190 | cmp [ebp], dl |
||
1191 | jnz nbgp |
||
2430 | mario79 | 1192 | ;-------------------------------------- |
1193 | push eax ecx |
||
1194 | |||
1195 | mov ecx, eax |
||
1196 | shl ecx, 16 |
||
1197 | add ecx, ebx |
||
1198 | |||
1199 | mov eax, [esi] |
||
1200 | and eax, 0xffffff |
||
1201 | ; check mouse area for putpixel |
||
1202 | call [_display.check_mouse] |
||
1203 | ; store to real LFB |
||
1204 | mov [edi], ax |
||
1205 | shr eax, 16 |
||
1206 | mov [edi+2], al |
||
1207 | |||
1208 | pop ecx eax |
||
1209 | ;-------------------------------------- |
||
1210 | align 4 |
||
2288 | clevermous | 1211 | nbgp: |
1212 | add esi, 3 |
||
1213 | add edi, 3 |
||
2430 | mario79 | 1214 | ;-------------------------------------- |
1215 | align 4 |
||
2288 | clevermous | 1216 | @@: |
1217 | cmp [ScreenBPP], byte 25 ; 24 or 32 bpp? |
||
1218 | sbb edi, -1 ; +1 for 32 bpp |
||
1219 | ; I do not use 'inc eax' because this is slightly slower then 'add eax,1' |
||
1220 | add ebp, edx |
||
1221 | add eax, edx |
||
1222 | cmp eax, [draw_data+32+RECT.right] |
||
1223 | ja dp4 |
||
1224 | sub ecx, edx |
||
1225 | jnz dp3 |
||
1226 | ; next tile block on x-axis |
||
1227 | mov ecx, [BgrDataWidth] |
||
1228 | sub esi, ecx |
||
1229 | sub esi, ecx |
||
1230 | sub esi, ecx |
||
1231 | jmp dp3 |
||
2430 | mario79 | 1232 | ;-------------------------------------- |
1233 | align 4 |
||
2288 | clevermous | 1234 | dp4: |
1235 | ; next scan line |
||
1236 | inc ebx |
||
1237 | cmp ebx, [draw_data+32+RECT.bottom] |
||
1238 | jbe dp2 |
||
1239 | popad |
||
1240 | mov [EGA_counter], 1 |
||
1241 | call VGA_drawbackground |
||
1242 | ret |
||
2430 | mario79 | 1243 | ;------------------------------------------------------------------------------ |
1244 | align 4 |
||
2288 | clevermous | 1245 | vesa20_drawbackground_stretch: |
1246 | pushad |
||
1247 | ; Helper variables |
||
1248 | ; calculate 2^32*(BgrDataWidth-1) mod (ScreenWidth-1) |
||
1249 | mov eax, [BgrDataWidth] |
||
1250 | dec eax |
||
1251 | xor edx, edx |
||
1252 | div dword [Screen_Max_X] |
||
1253 | push eax ; high |
||
1254 | xor eax, eax |
||
1255 | div dword [Screen_Max_X] |
||
1256 | push eax ; low |
||
1257 | ; the same for height |
||
1258 | mov eax, [BgrDataHeight] |
||
1259 | dec eax |
||
1260 | xor edx, edx |
||
1261 | div dword [Screen_Max_Y] |
||
1262 | push eax ; high |
||
1263 | xor eax, eax |
||
1264 | div dword [Screen_Max_Y] |
||
1265 | push eax ; low |
||
1266 | ; External loop for all y from start to end |
||
1267 | mov ebx, [draw_data+32+RECT.top] ; y start |
||
1268 | mov ebp, [draw_data+32+RECT.left] ; x start |
||
1269 | ; 1) Calculate pointers in WinMapAddress (does pixel belong to OS thread?) [ebp] |
||
1270 | ; and LFB data (output for our function) [edi] |
||
1271 | mov eax, [BytesPerScanLine] |
||
1272 | mul ebx |
||
1273 | xchg ebp, eax |
||
1274 | add ebp, eax |
||
1275 | add ebp, eax |
||
1276 | add ebp, eax |
||
1277 | cmp [ScreenBPP], byte 24 ; 24 or 32 bpp ? - x size |
||
1278 | jz @f |
||
1279 | add ebp, eax |
||
2430 | mario79 | 1280 | ;-------------------------------------- |
1281 | align 4 |
||
2288 | clevermous | 1282 | @@: |
1283 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
1284 | call calculate_edi |
||
1285 | xchg edi, ebp |
||
1286 | ; Now eax=x, ebx=y, edi->output, ebp=offset in WinMapAddress |
||
1287 | push ebx |
||
1288 | push eax |
||
1289 | ; 2) Calculate offset in background memory block |
||
1290 | mov eax, ebx |
||
1291 | imul ebx, dword [esp+12] |
||
1292 | mul dword [esp+8] |
||
1293 | add edx, ebx ; edx:eax = y * 2^32*(BgrDataHeight-1)/(ScreenHeight-1) |
||
1294 | mov esi, edx |
||
1295 | imul esi, [BgrDataWidth] |
||
1296 | push edx |
||
1297 | push eax |
||
1298 | mov eax, [esp+8] |
||
1299 | mul dword [esp+28] |
||
1300 | push eax |
||
1301 | mov eax, [esp+12] |
||
1302 | mul dword [esp+28] |
||
1303 | add [esp], edx |
||
1304 | pop edx ; edx:eax = x * 2^32*(BgrDataWidth-1)/(ScreenWidth-1) |
||
1305 | add esi, edx |
||
1306 | lea esi, [esi*3] |
||
1307 | add esi, [img_background] |
||
1308 | push eax |
||
1309 | push edx |
||
1310 | push esi |
||
1311 | ; 3) Smooth horizontal |
||
2430 | mario79 | 1312 | ;-------------------------------------- |
1313 | align 4 |
||
2288 | clevermous | 1314 | bgr_resmooth0: |
1315 | mov ecx, [esp+8] |
||
1316 | mov edx, [esp+4] |
||
1317 | mov esi, [esp] |
||
1318 | push edi |
||
1319 | mov edi, bgr_cur_line |
||
1320 | call smooth_line |
||
2430 | mario79 | 1321 | ;-------------------------------------- |
1322 | align 4 |
||
2288 | clevermous | 1323 | bgr_resmooth1: |
1324 | mov eax, [esp+16+4] |
||
1325 | inc eax |
||
1326 | cmp eax, [BgrDataHeight] |
||
1327 | jae bgr.no2nd |
||
1328 | mov ecx, [esp+8+4] |
||
1329 | mov edx, [esp+4+4] |
||
1330 | mov esi, [esp+4] |
||
1331 | add esi, [BgrDataWidth] |
||
1332 | add esi, [BgrDataWidth] |
||
1333 | add esi, [BgrDataWidth] |
||
1334 | mov edi, bgr_next_line |
||
1335 | call smooth_line |
||
2430 | mario79 | 1336 | ;-------------------------------------- |
1337 | align 4 |
||
2288 | clevermous | 1338 | bgr.no2nd: |
1339 | pop edi |
||
2430 | mario79 | 1340 | ;-------------------------------------- |
1341 | align 4 |
||
2288 | clevermous | 1342 | sdp3: |
1343 | xor esi, esi |
||
1344 | mov ecx, [esp+12] |
||
1345 | ; 4) Loop through redraw rectangle and copy background data |
||
1346 | ; Registers meaning: |
||
1347 | ; esi = offset in current line, edi -> output |
||
1348 | ; ebp = offset in WinMapAddress |
||
1349 | ; dword [esp] = offset in bgr data |
||
1350 | ; qword [esp+4] = x * 2^32 * (BgrDataWidth-1) / (ScreenWidth-1) |
||
1351 | ; qword [esp+12] = y * 2^32 * (BgrDataHeight-1) / (ScreenHeight-1) |
||
1352 | ; dword [esp+20] = x |
||
1353 | ; dword [esp+24] = y |
||
1354 | ; precalculated constants: |
||
1355 | ; qword [esp+28] = 2^32*(BgrDataHeight-1)/(ScreenHeight-1) |
||
1356 | ; qword [esp+36] = 2^32*(BgrDataWidth-1)/(ScreenWidth-1) |
||
2430 | mario79 | 1357 | ;-------------------------------------- |
1358 | align 4 |
||
2288 | clevermous | 1359 | sdp3a: |
1360 | mov eax, [_WinMapAddress] |
||
1361 | cmp [ebp+eax], byte 1 |
||
1362 | jnz snbgp |
||
1363 | mov eax, [bgr_cur_line+esi] |
||
1364 | test ecx, ecx |
||
1365 | jz .novert |
||
1366 | mov ebx, [bgr_next_line+esi] |
||
1367 | call [overlapping_of_points_ptr] |
||
2430 | mario79 | 1368 | ;-------------------------------------- |
1369 | align 4 |
||
2288 | clevermous | 1370 | .novert: |
2430 | mario79 | 1371 | push ecx |
1372 | mov ecx, [esp+20+4] ;x |
||
1373 | shl ecx, 16 |
||
1374 | add ecx, [esp+24+4] ;y |
||
1375 | ; check mouse area for putpixel |
||
1376 | call [_display.check_mouse] |
||
1377 | ; store to real LFB |
||
2288 | clevermous | 1378 | mov [LFB_BASE+edi], ax |
1379 | shr eax, 16 |
||
1380 | mov [LFB_BASE+edi+2], al |
||
2430 | mario79 | 1381 | pop ecx |
1382 | ;-------------------------------------- |
||
1383 | align 4 |
||
2288 | clevermous | 1384 | snbgp: |
1385 | cmp [ScreenBPP], byte 25 |
||
1386 | sbb edi, -4 |
||
1387 | add ebp, 1 |
||
1388 | mov eax, [esp+20] |
||
1389 | add eax, 1 |
||
1390 | mov [esp+20], eax |
||
1391 | add esi, 4 |
||
1392 | cmp eax, [draw_data+32+RECT.right] |
||
1393 | jbe sdp3a |
||
2430 | mario79 | 1394 | ;-------------------------------------- |
1395 | align 4 |
||
2288 | clevermous | 1396 | sdp4: |
1397 | ; next y |
||
1398 | mov ebx, [esp+24] |
||
1399 | add ebx, 1 |
||
1400 | mov [esp+24], ebx |
||
1401 | cmp ebx, [draw_data+32+RECT.bottom] |
||
1402 | ja sdpdone |
||
1403 | ; advance edi, ebp to next scan line |
||
1404 | sub eax, [draw_data+32+RECT.left] |
||
1405 | sub ebp, eax |
||
1406 | add ebp, [Screen_Max_X] |
||
1407 | add ebp, 1 |
||
1408 | sub edi, eax |
||
1409 | sub edi, eax |
||
1410 | sub edi, eax |
||
1411 | cmp [ScreenBPP], byte 24 |
||
1412 | jz @f |
||
1413 | sub edi, eax |
||
2430 | mario79 | 1414 | ;-------------------------------------- |
1415 | align 4 |
||
2288 | clevermous | 1416 | @@: |
1417 | add edi, [BytesPerScanLine] |
||
1418 | ; restore ecx,edx; advance esi to next background line |
||
1419 | mov eax, [esp+28] |
||
1420 | mov ebx, [esp+32] |
||
1421 | add [esp+12], eax |
||
1422 | mov eax, [esp+16] |
||
1423 | adc [esp+16], ebx |
||
1424 | sub eax, [esp+16] |
||
1425 | mov ebx, eax |
||
1426 | lea eax, [eax*3] |
||
1427 | imul eax, [BgrDataWidth] |
||
1428 | sub [esp], eax |
||
1429 | mov eax, [draw_data+32+RECT.left] |
||
1430 | mov [esp+20], eax |
||
1431 | test ebx, ebx |
||
1432 | jz sdp3 |
||
1433 | cmp ebx, -1 |
||
1434 | jnz bgr_resmooth0 |
||
1435 | push edi |
||
1436 | mov esi, bgr_next_line |
||
1437 | mov edi, bgr_cur_line |
||
1438 | mov ecx, [Screen_Max_X] |
||
1439 | inc ecx |
||
1440 | rep movsd |
||
1441 | jmp bgr_resmooth1 |
||
2430 | mario79 | 1442 | ;-------------------------------------- |
1443 | align 4 |
||
2288 | clevermous | 1444 | sdpdone: |
1445 | add esp, 44 |
||
1446 | popad |
||
1447 | mov [EGA_counter], 1 |
||
1448 | call VGA_drawbackground |
||
1449 | ret |
||
1450 | |||
1451 | uglobal |
||
2430 | mario79 | 1452 | ;-------------------------------------- |
2288 | clevermous | 1453 | align 4 |
1454 | bgr_cur_line rd 1920 ; maximum width of screen |
||
1455 | bgr_next_line rd 1920 |
||
2430 | mario79 | 1456 | ;-------------------------------------- |
2288 | clevermous | 1457 | endg |
2430 | mario79 | 1458 | ;-------------------------------------- |
1459 | align 4 |
||
2288 | clevermous | 1460 | smooth_line: |
1461 | mov al, [esi+2] |
||
1462 | shl eax, 16 |
||
1463 | mov ax, [esi] |
||
1464 | test ecx, ecx |
||
1465 | jz @f |
||
1466 | mov ebx, [esi+2] |
||
1467 | shr ebx, 8 |
||
1468 | call [overlapping_of_points_ptr] |
||
2430 | mario79 | 1469 | ;-------------------------------------- |
1470 | align 4 |
||
2288 | clevermous | 1471 | @@: |
1472 | stosd |
||
1473 | mov eax, [esp+20+8] |
||
1474 | add eax, 1 |
||
1475 | mov [esp+20+8], eax |
||
1476 | cmp eax, [draw_data+32+RECT.right] |
||
1477 | ja @f |
||
1478 | add ecx, [esp+36+8] |
||
1479 | mov eax, edx |
||
1480 | adc edx, [esp+40+8] |
||
1481 | sub eax, edx |
||
1482 | lea eax, [eax*3] |
||
1483 | sub esi, eax |
||
1484 | jmp smooth_line |
||
2430 | mario79 | 1485 | ;-------------------------------------- |
1486 | align 4 |
||
2288 | clevermous | 1487 | @@: |
1488 | mov eax, [draw_data+32+RECT.left] |
||
1489 | mov [esp+20+8], eax |
||
1490 | ret |
||
2430 | mario79 | 1491 | ;------------------------------------------------------------------------------ |
2288 | clevermous | 1492 | align 16 |
1493 | overlapping_of_points: |
||
1494 | if 0 |
||
1495 | ; this version of procedure works, but is slower than next version |
||
1496 | push ecx edx |
||
1497 | mov edx, eax |
||
1498 | push esi |
||
1499 | shr ecx, 24 |
||
1500 | mov esi, ecx |
||
1501 | mov ecx, ebx |
||
1502 | movzx ebx, dl |
||
1503 | movzx eax, cl |
||
1504 | sub eax, ebx |
||
1505 | movzx ebx, dh |
||
1506 | imul eax, esi |
||
1507 | add dl, ah |
||
1508 | movzx eax, ch |
||
1509 | sub eax, ebx |
||
1510 | imul eax, esi |
||
1511 | add dh, ah |
||
1512 | ror ecx, 16 |
||
1513 | ror edx, 16 |
||
1514 | movzx eax, cl |
||
1515 | movzx ebx, dl |
||
1516 | sub eax, ebx |
||
1517 | imul eax, esi |
||
1518 | pop esi |
||
1519 | add dl, ah |
||
1520 | mov eax, edx |
||
1521 | pop edx |
||
1522 | ror eax, 16 |
||
1523 | pop ecx |
||
1524 | ret |
||
1525 | else |
||
1526 | push ecx edx |
||
1527 | mov edx, eax |
||
1528 | push esi |
||
1529 | shr ecx, 26 |
||
1530 | mov esi, ecx |
||
1531 | mov ecx, ebx |
||
1532 | shl esi, 9 |
||
1533 | movzx ebx, dl |
||
1534 | movzx eax, cl |
||
1535 | sub eax, ebx |
||
1536 | movzx ebx, dh |
||
1537 | add dl, [BgrAuxTable+(eax+0x100)+esi] |
||
1538 | movzx eax, ch |
||
1539 | sub eax, ebx |
||
1540 | add dh, [BgrAuxTable+(eax+0x100)+esi] |
||
1541 | ror ecx, 16 |
||
1542 | ror edx, 16 |
||
1543 | movzx eax, cl |
||
1544 | movzx ebx, dl |
||
1545 | sub eax, ebx |
||
1546 | add dl, [BgrAuxTable+(eax+0x100)+esi] |
||
1547 | pop esi |
||
1548 | mov eax, edx |
||
1549 | pop edx |
||
1550 | ror eax, 16 |
||
1551 | pop ecx |
||
1552 | ret |
||
1553 | end if |
||
1554 | |||
1555 | iglobal |
||
2430 | mario79 | 1556 | ;-------------------------------------- |
2288 | clevermous | 1557 | align 4 |
1558 | overlapping_of_points_ptr dd overlapping_of_points |
||
2430 | mario79 | 1559 | ;-------------------------------------- |
2288 | clevermous | 1560 | endg |
2430 | mario79 | 1561 | ;------------------------------------------------------------------------------ |
1562 | align 4 |
||
2288 | clevermous | 1563 | init_background: |
1564 | mov edi, BgrAuxTable |
||
1565 | xor edx, edx |
||
2430 | mario79 | 1566 | ;-------------------------------------- |
1567 | align 4 |
||
2288 | clevermous | 1568 | .loop2: |
1569 | mov eax, edx |
||
1570 | shl eax, 8 |
||
1571 | neg eax |
||
1572 | mov ecx, 0x200 |
||
2430 | mario79 | 1573 | ;-------------------------------------- |
1574 | align 4 |
||
2288 | clevermous | 1575 | .loop1: |
1576 | mov byte [edi], ah |
||
1577 | inc edi |
||
1578 | add eax, edx |
||
1579 | loop .loop1 |
||
1580 | add dl, 4 |
||
1581 | jnz .loop2 |
||
1582 | test byte [cpu_caps+(CAPS_MMX/8)], 1 shl (CAPS_MMX mod 8) |
||
1583 | jz @f |
||
1584 | mov [overlapping_of_points_ptr], overlapping_of_points_mmx |
||
2430 | mario79 | 1585 | ;-------------------------------------- |
1586 | align 4 |
||
2288 | clevermous | 1587 | @@: |
1588 | ret |
||
2430 | mario79 | 1589 | ;------------------------------------------------------------------------------ |
2288 | clevermous | 1590 | align 16 |
1591 | overlapping_of_points_mmx: |
||
1592 | movd mm0, eax |
||
1593 | movd mm4, eax |
||
1594 | movd mm1, ebx |
||
1595 | pxor mm2, mm2 |
||
1596 | punpcklbw mm0, mm2 |
||
1597 | punpcklbw mm1, mm2 |
||
1598 | psubw mm1, mm0 |
||
1599 | movd mm3, ecx |
||
1600 | psrld mm3, 24 |
||
1601 | packuswb mm3, mm3 |
||
1602 | packuswb mm3, mm3 |
||
1603 | pmullw mm1, mm3 |
||
1604 | psrlw mm1, 8 |
||
1605 | packuswb mm1, mm2 |
||
1606 | paddb mm4, mm1 |
||
1607 | movd eax, mm4 |
||
1608 | ret |
||
2430 | mario79 | 1609 | ;------------------------------------------------------------------------------><>16><16>> |