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Rev | Author | Line No. | Line |
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2465 | Serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5565 | serge | 3 | ;; Copyright (C) KolibriOS team 2011-2015. All rights reserved. ;; |
2465 | Serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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2434 | Serge | 7 | |
5596 | serge | 8 | $Revision: 5363 $ |
5201 | serge | 9 | |
10 | |||
2434 | Serge | 11 | struct BLITTER_BLOCK |
12 | xmin dd ? |
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13 | ymin dd ? |
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14 | xmax dd ? |
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15 | ymax dd ? |
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16 | ends |
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17 | |||
18 | |||
19 | struct BLITTER |
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2467 | Serge | 20 | dc RECT |
21 | sc RECT |
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2434 | Serge | 22 | dst_x dd ? ; 32 |
23 | dst_y dd ? ; 36 |
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24 | src_x dd ? ; 40 |
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25 | src_y dd ? ; 44 |
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26 | w dd ? ; 48 |
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27 | h dd ? ; 52 |
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28 | |||
29 | bitmap dd ? ; 56 |
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30 | stride dd ? ; 60 |
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31 | ends |
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32 | |||
33 | |||
2467 | Serge | 34 | |
2434 | Serge | 35 | align 4 |
2467 | Serge | 36 | block_clip: |
37 | ;esi= clip RECT ptr |
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38 | ;edi= RECT ptr |
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39 | ;return code: |
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5596 | serge | 40 | ;CF= 0 - draw, 1 - don't draw |
2434 | Serge | 41 | |
42 | push ebx |
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43 | |||
2467 | Serge | 44 | mov eax, [edi+RECT.left] |
45 | mov ebx, [edi+RECT.right] |
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46 | mov ecx, [esi+RECT.left] ;clip.left |
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47 | mov edx, [esi+RECT.right] ;clip.right |
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2434 | Serge | 48 | |
2467 | Serge | 49 | cmp eax, edx ;left >= clip.right |
50 | jge .fail |
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2434 | Serge | 51 | |
2467 | Serge | 52 | cmp ebx, ecx ;right < clip.left |
53 | jl .fail |
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2434 | Serge | 54 | |
2467 | Serge | 55 | cmp eax, ecx ;left >= clip.left |
5596 | serge | 56 | jge @F |
2434 | Serge | 57 | |
5596 | serge | 58 | mov [edi+RECT.left], ecx |
2467 | Serge | 59 | @@: |
60 | cmp ebx, edx ;right <= clip.right |
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61 | jle @f |
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5596 | serge | 62 | |
63 | mov [edi+RECT.right], edx |
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2467 | Serge | 64 | @@: |
65 | mov eax, [edi+RECT.top] |
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66 | mov ebx, [edi+RECT.bottom] |
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67 | mov ecx, [esi+RECT.top] ;clip.top |
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68 | mov edx, [esi+RECT.bottom] ;clip.bottom |
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69 | |||
70 | cmp eax, edx ;top >= clip.bottom |
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71 | jge .fail |
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72 | |||
73 | cmp ebx, ecx ;bottom < clip.top |
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74 | jl .fail |
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75 | |||
76 | cmp eax, ecx ;top >= clip.top |
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5596 | serge | 77 | jge @F |
2467 | Serge | 78 | |
5596 | serge | 79 | mov [edi+RECT.top], ecx |
2467 | Serge | 80 | @@: |
81 | cmp ebx, edx ;bottom <= clip.bottom |
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82 | jle @f |
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5596 | serge | 83 | |
84 | mov [edi+RECT.bottom], edx |
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2467 | Serge | 85 | @@: |
2434 | Serge | 86 | pop ebx |
5596 | serge | 87 | clc |
2434 | Serge | 88 | ret |
2467 | Serge | 89 | .fail: |
90 | pop ebx |
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5596 | serge | 91 | stc |
2467 | Serge | 92 | ret |
2434 | Serge | 93 | |
2467 | Serge | 94 | |
2434 | Serge | 95 | align 4 |
96 | blit_clip: |
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97 | |||
5596 | serge | 98 | ;return code: |
99 | ;CF= 0 - draw, 1 - don't draw |
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100 | |||
2467 | Serge | 101 | .sx0 equ 8 |
102 | .sy0 equ 12 |
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103 | .sx1 equ 16 |
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104 | .sy1 equ 20 |
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2434 | Serge | 105 | |
2467 | Serge | 106 | .dx0 equ 24 |
107 | .dy0 equ 28 |
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108 | .dx1 equ 32 |
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109 | .dy1 equ 36 |
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2434 | Serge | 110 | |
111 | |||
112 | push edi |
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113 | push esi |
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114 | push ebx |
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115 | sub esp, 40 |
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116 | |||
117 | mov ebx, ecx |
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118 | mov edx, [ecx+BLITTER.src_x] |
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119 | mov [esp+.sx0], edx |
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120 | mov eax, [ecx+BLITTER.src_y] |
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121 | mov [esp+.sy0], eax |
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122 | add edx, [ecx+BLITTER.w] |
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2467 | Serge | 123 | add eax, [ecx+BLITTER.h] |
2434 | Serge | 124 | mov [esp+.sx1], edx |
125 | mov [esp+.sy1], eax |
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126 | |||
2467 | Serge | 127 | lea edi, [esp+.sx0] |
128 | lea esi, [ebx+BLITTER.sc] |
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2434 | Serge | 129 | |
130 | call block_clip |
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5596 | serge | 131 | jc .done |
2434 | Serge | 132 | |
133 | mov edi, [esp+.sx0] |
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134 | mov edx, [ebx+BLITTER.dst_x] |
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135 | add edx, edi |
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136 | sub edx, [ebx+BLITTER.src_x] |
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137 | mov [esp+.dx0], edx |
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138 | |||
139 | mov ecx, [esp+.sy0] |
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140 | mov eax, [ebx+BLITTER.dst_y] |
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141 | add eax, ecx |
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142 | sub eax, [ebx+BLITTER.src_y] |
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143 | mov [esp+.dy0], eax |
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2467 | Serge | 144 | |
2434 | Serge | 145 | sub edx, edi |
146 | add edx, [esp+.sx1] |
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147 | mov [esp+.dx1], edx |
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148 | |||
149 | sub eax, ecx |
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150 | add eax, [esp+.sy1] |
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151 | mov [esp+.dy1], eax |
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152 | |||
2467 | Serge | 153 | lea edi, [esp+.dx0] |
154 | lea esi, [ebx+BLITTER.dc] |
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2434 | Serge | 155 | call block_clip |
5596 | serge | 156 | jc .done |
2434 | Serge | 157 | |
158 | mov edx, [esp+.dx0] |
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159 | mov eax, [esp+.dx1] |
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160 | sub eax, edx |
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161 | mov [ebx+BLITTER.w], eax |
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162 | |||
163 | mov eax, [esp+.dy0] |
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164 | mov ecx, [esp+.dy1] |
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165 | sub ecx, eax |
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166 | mov [ebx+BLITTER.h], ecx |
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167 | |||
168 | mov ecx, [ebx+BLITTER.src_x] |
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169 | add ecx, edx |
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170 | sub ecx, [ebx+BLITTER.dst_x] |
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171 | mov [ebx+BLITTER.src_x], ecx |
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172 | |||
173 | mov ecx, [ebx+BLITTER.src_y] |
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174 | add ecx, eax |
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175 | sub ecx, [ebx+BLITTER.dst_y] |
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176 | mov [ebx+BLITTER.src_y], ecx |
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177 | mov [ebx+BLITTER.dst_x], edx |
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178 | mov [ebx+BLITTER.dst_y], eax |
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5596 | serge | 179 | clc |
2467 | Serge | 180 | .done: |
2434 | Serge | 181 | add esp, 40 |
182 | pop ebx |
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183 | pop esi |
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184 | pop edi |
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185 | |||
186 | |||
187 | purge .sx0 |
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188 | purge .sy0 |
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189 | purge .sx1 |
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190 | purge .sy1 |
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191 | |||
192 | purge .dx0 |
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193 | purge .dy0 |
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194 | purge .dx1 |
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195 | purge .dy1 |
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196 | |||
197 | ret |
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198 | |||
199 | align 4 |
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200 | blit_32: |
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201 | push ebp |
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202 | push edi |
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203 | push esi |
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204 | push ebx |
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5596 | serge | 205 | virtual at sizeof.BLITTER |
206 | .position dd ? ; (x shl 16) + y |
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207 | ; ??? |
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208 | .extra_var1 dd ? |
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209 | .local_vars_size = $ |
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210 | end virtual |
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211 | sub esp, .local_vars_size |
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2434 | Serge | 212 | |
213 | mov eax, [TASK_BASE] |
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214 | mov ebx, [eax-twdw + WDATA.box.width] |
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215 | mov edx, [eax-twdw + WDATA.box.height] |
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2467 | Serge | 216 | inc ebx |
217 | inc edx |
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2434 | Serge | 218 | |
219 | xor eax, eax |
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220 | |||
2467 | Serge | 221 | mov [esp+BLITTER.dc.left], eax |
222 | mov [esp+BLITTER.dc.top], eax |
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223 | mov [esp+BLITTER.dc.right], ebx |
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224 | mov [esp+BLITTER.dc.bottom], edx |
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2434 | Serge | 225 | |
2467 | Serge | 226 | mov [esp+BLITTER.sc.left], eax |
227 | mov [esp+BLITTER.sc.top], eax |
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2434 | Serge | 228 | mov eax, [ecx+24] |
2467 | Serge | 229 | |
230 | mov [esp+BLITTER.sc.right], eax |
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2434 | Serge | 231 | mov eax, [ecx+28] |
232 | |||
2467 | Serge | 233 | mov [esp+BLITTER.sc.bottom], eax |
234 | |||
2434 | Serge | 235 | mov eax, [ecx] |
236 | mov [esp+BLITTER.dst_x], eax |
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237 | mov eax, [ecx+4] |
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238 | mov [esp+BLITTER.dst_y], eax |
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239 | |||
240 | mov eax, [ecx+16] |
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241 | mov [esp+BLITTER.src_x], eax |
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242 | mov eax, [ecx+20] |
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243 | mov [esp+BLITTER.src_y], eax |
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244 | mov eax, [ecx+8] |
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245 | mov [esp+BLITTER.w], eax |
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246 | mov eax, [ecx+12] |
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247 | mov [esp+BLITTER.h], eax |
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248 | |||
249 | |||
250 | mov eax, [ecx+32] |
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5596 | serge | 251 | mov [esp+BLITTER.bitmap], eax |
2434 | Serge | 252 | mov eax, [ecx+36] |
5596 | serge | 253 | mov [esp+BLITTER.stride], eax |
2434 | Serge | 254 | |
255 | mov ecx, esp |
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256 | call blit_clip |
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5596 | serge | 257 | jc .L57 |
2434 | Serge | 258 | |
259 | mov eax, [TASK_BASE] |
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260 | |||
261 | mov ebx, [esp+BLITTER.dst_x] |
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262 | mov ebp, [esp+BLITTER.dst_y] |
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263 | add ebx, [eax-twdw + WDATA.box.left] |
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264 | add ebp, [eax-twdw + WDATA.box.top] |
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265 | |||
266 | mov ecx, ebx |
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5596 | serge | 267 | add ecx, [esp+BLITTER.w] |
2434 | Serge | 268 | shl ecx, 16 |
269 | mov cx, bp |
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5596 | serge | 270 | add ecx, [esp+BLITTER.h] |
2434 | Serge | 271 | |
5596 | serge | 272 | mov eax, ebx |
273 | shl eax, 16 |
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274 | mov ax, bp |
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275 | mov [esp+.position], eax |
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276 | |||
2434 | Serge | 277 | mov edi, ebp |
278 | |||
5596 | serge | 279 | ; imul edi, [_display.pitch] |
2987 | Serge | 280 | mov edi, [BPSLine_calc_area+edi*4] |
5596 | serge | 281 | ; imul ebp, [_display.width] |
2987 | Serge | 282 | mov ebp, [d_width_calc_area+ebp*4] |
2465 | Serge | 283 | |
2434 | Serge | 284 | add ebp, ebx |
5577 | serge | 285 | add ebp, [_display.win_map] |
2434 | Serge | 286 | |
287 | mov eax, [esp+BLITTER.src_y] |
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288 | imul eax, [esp+BLITTER.stride] |
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289 | mov esi, [esp+BLITTER.src_x] |
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290 | lea esi, [eax+esi*4] |
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291 | add esi, [esp+BLITTER.bitmap] |
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292 | |||
5596 | serge | 293 | mov eax, ecx |
2434 | Serge | 294 | mov ecx, [esp+BLITTER.h] |
295 | mov edx, [esp+BLITTER.w] |
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296 | |||
297 | test ecx, ecx ;FIXME check clipping |
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5596 | serge | 298 | jz .L57 |
2434 | Serge | 299 | |
300 | test edx, edx |
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5596 | serge | 301 | jz .L57 |
2434 | Serge | 302 | |
5596 | serge | 303 | cmp [_display.bits_per_pixel], 32 |
304 | jne .core_24 |
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305 | |||
2434 | Serge | 306 | lea edi, [edi+ebx*4] |
307 | |||
308 | mov ebx, [CURRENT_TASK] |
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5596 | serge | 309 | ; check for hardware cursor |
310 | cmp [_display.select_cursor], select_cursor |
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311 | je .core_32.software_cursor |
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312 | cmp [_display.select_cursor], 0 |
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313 | jne .core_32.hardware_cursor |
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314 | ;-------------------------------------- |
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315 | .core_32.software_cursor: |
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316 | align 4 |
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317 | .outer32: |
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2987 | Serge | 318 | |
5596 | serge | 319 | align 4 |
320 | .inner32: |
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321 | cmp [ebp], bl |
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322 | jne .skip |
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323 | ;-------------------------------------- |
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324 | mov eax, [esi] |
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3232 | Serge | 325 | |
5596 | serge | 326 | mov ecx, [esp+.position] |
327 | |||
328 | ; check mouse area for putpixel |
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329 | call [_display.check_mouse] |
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330 | ;-------------------------------------- |
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331 | ; store to real LFB |
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332 | mov [LFB_BASE+edi], eax |
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333 | ;-------------------------------------- |
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2434 | Serge | 334 | align 4 |
5596 | serge | 335 | .skip: |
336 | add esi, 4 |
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337 | add edi, 4 |
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338 | inc ebp |
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339 | add [esp+.position], 1 shl 16 |
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340 | dec edx |
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341 | jnz .inner32 |
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3232 | Serge | 342 | |
5596 | serge | 343 | add esi, [esp+BLITTER.stride] |
344 | add edi, [_display.lfb_pitch] |
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345 | add ebp, [_display.width] |
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346 | |||
347 | mov edx, [esp+BLITTER.w] |
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348 | mov eax, edx |
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349 | inc [esp+.position] |
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350 | sub ebp, edx |
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351 | shl eax, 2 |
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352 | sub esi, eax |
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353 | sub edi, eax |
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354 | shl eax, 16-2 |
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355 | sub [esp+.position], eax |
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356 | dec [esp+BLITTER.h] |
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357 | jnz .outer32 |
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358 | jmp .done |
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359 | .core_32.hardware_cursor: |
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360 | align 4 |
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361 | .hw.outer32: |
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362 | xor ecx, ecx |
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363 | |||
364 | align 4 |
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365 | .hw.inner32: |
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366 | cmp [ebp+ecx], bl |
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367 | jne .hw.skip |
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368 | mov eax, [esi+ecx*4] |
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369 | mov [LFB_BASE+edi+ecx*4], eax |
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370 | |||
371 | align 4 |
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372 | .hw.skip: |
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373 | inc ecx |
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374 | dec edx |
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375 | jnz .hw.inner32 |
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376 | |||
377 | add esi, [esp+BLITTER.stride] |
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378 | add edi, [_display.lfb_pitch] |
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379 | add ebp, [_display.width] |
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380 | |||
381 | mov edx, [esp+BLITTER.w] |
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382 | dec [esp+BLITTER.h] |
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383 | jnz .hw.outer32 |
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384 | |||
3232 | Serge | 385 | .done: |
5596 | serge | 386 | ; call [draw_pointer] |
387 | ; call __sys_draw_pointer |
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388 | .L57: |
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389 | add esp, .local_vars_size |
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3232 | Serge | 390 | pop ebx |
391 | pop esi |
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392 | pop edi |
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393 | pop ebp |
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394 | ret |
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395 | |||
5596 | serge | 396 | .core_24: |
397 | cmp [_display.bits_per_pixel], 24 |
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398 | jne .core_16 |
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3232 | Serge | 399 | |
5596 | serge | 400 | lea ebx, [ebx+ebx*2] |
401 | lea edi, [LFB_BASE+edi+ebx] |
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402 | mov ebx, [CURRENT_TASK] |
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403 | |||
3232 | Serge | 404 | align 4 |
5596 | serge | 405 | .outer24: |
406 | mov [esp+.extra_var1], edi |
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407 | xor ecx, ecx |
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3232 | Serge | 408 | |
2434 | Serge | 409 | align 4 |
5596 | serge | 410 | .inner24: |
411 | cmp [ebp+ecx], bl ; Does the process own this pixel? |
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412 | jne .skip_1 |
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2434 | Serge | 413 | ;-------------------------------------- |
5596 | serge | 414 | push eax |
2434 | Serge | 415 | mov eax, [esi+ecx*4] |
416 | |||
5596 | serge | 417 | lea edi, [edi+ecx*2] |
418 | |||
2465 | Serge | 419 | ; check for hardware cursor |
420 | cmp [_display.select_cursor], select_cursor |
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421 | je @f |
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422 | cmp [_display.select_cursor], 0 |
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5596 | serge | 423 | jne .no_mouseunder_1 |
2465 | Serge | 424 | ;-------------------------------------- |
425 | align 4 |
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426 | @@: |
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2434 | Serge | 427 | push ecx |
428 | |||
5596 | serge | 429 | mov ecx, [esp+4] |
430 | ror ecx, 16 |
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431 | sub ecx, edx |
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432 | rol ecx, 16 |
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433 | sub ecx, [esp+BLITTER.h + 8] |
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434 | |||
2434 | Serge | 435 | ; check mouse area for putpixel |
436 | call [_display.check_mouse] |
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437 | pop ecx |
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2465 | Serge | 438 | ;-------------------------------------- |
439 | align 4 |
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5596 | serge | 440 | .no_mouseunder_1: |
441 | mov [edi+ecx], ax |
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442 | shr eax, 16 |
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443 | mov [edi+ecx+2], al |
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444 | |||
445 | pop eax |
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2434 | Serge | 446 | ;-------------------------------------- |
447 | align 4 |
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5596 | serge | 448 | .skip_1: |
2434 | Serge | 449 | inc ecx |
450 | dec edx |
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5596 | serge | 451 | jnz .inner24 |
2434 | Serge | 452 | |
453 | add esi, [esp+BLITTER.stride] |
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5596 | serge | 454 | mov edi, [esp+.extra_var1] |
5577 | serge | 455 | add edi, [_display.lfb_pitch] |
2434 | Serge | 456 | add ebp, [_display.width] |
457 | |||
458 | mov edx, [esp+BLITTER.w] |
||
459 | dec [esp+BLITTER.h] |
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5596 | serge | 460 | jnz .outer24 |
2434 | Serge | 461 | |
5596 | serge | 462 | jmp .done |
2434 | Serge | 463 | |
2987 | Serge | 464 | |
5596 | serge | 465 | .core_16: |
466 | lea edi, [LFB_BASE+edi+ebx*2] |
||
467 | mov ebx, [CURRENT_TASK] |
||
2434 | Serge | 468 | |
5596 | serge | 469 | .outer16: |
470 | mov [esp+.extra_var1], edi |
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2434 | Serge | 471 | xor ecx, ecx |
472 | |||
5596 | serge | 473 | .inner16: |
474 | cmp [ebp+ecx], bl ; Does the process own this pixel? |
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475 | jne .skip_2 |
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2434 | Serge | 476 | ;-------------------------------------- |
5596 | serge | 477 | push eax |
2434 | Serge | 478 | mov eax, [esi+ecx*4] |
479 | |||
2465 | Serge | 480 | ; check for hardware cursor |
481 | cmp [_display.select_cursor], select_cursor |
||
482 | je @f |
||
483 | cmp [_display.select_cursor], 0 |
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5596 | serge | 484 | jne .no_mouseunder_2 |
2465 | Serge | 485 | ;-------------------------------------- |
5596 | serge | 486 | @@: |
2434 | Serge | 487 | push ecx |
488 | |||
5596 | serge | 489 | mov ecx, [esp+4] |
490 | ror ecx, 16 |
||
491 | sub ecx, edx |
||
492 | rol ecx, 16 |
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493 | sub ecx, [esp+BLITTER.h + 8] |
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2434 | Serge | 494 | |
495 | ; check mouse area for putpixel |
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496 | call [_display.check_mouse] |
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497 | pop ecx |
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2465 | Serge | 498 | ;-------------------------------------- |
5596 | serge | 499 | .no_mouseunder_2: |
500 | ; convert to 16 bpp and store to LFB |
||
501 | and eax, 00000000111110001111110011111000b |
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502 | shr ah, 2 |
||
503 | shr ax, 3 |
||
504 | ror eax, 8 |
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505 | add al, ah |
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506 | rol eax, 8 |
||
507 | mov [edi+ecx*2], ax |
||
508 | pop eax |
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2434 | Serge | 509 | ;-------------------------------------- |
5596 | serge | 510 | .skip_2: |
2434 | Serge | 511 | inc ecx |
512 | dec edx |
||
5596 | serge | 513 | jnz .inner16 |
2434 | Serge | 514 | |
515 | add esi, [esp+BLITTER.stride] |
||
5596 | serge | 516 | mov edi, [esp+.extra_var1] |
5577 | serge | 517 | add edi, [_display.lfb_pitch] |
2434 | Serge | 518 | add ebp, [_display.width] |
519 | |||
520 | mov edx, [esp+BLITTER.w] |
||
521 | dec [esp+BLITTER.h] |
||
5596 | serge | 522 | jnz .outer16 |
2434 | Serge | 523 | |
5596 | serge | 524 | jmp .done=>>=>> |
525 |