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Rev 2465 Rev 2467
Line 12... Line 12...
12 
        ymax            dd ?
 12 
        ymax            dd ?
13 
ends
 13 
ends
Line 14... Line 14...
14 
 
 14 
 
15 
 
 15 
 
16 
struct  BLITTER
 16 
struct  BLITTER
17 
        dc              BLITTER_BLOCK
 17 
        dc              RECT
18 
        sc              BLITTER_BLOCK
 18 
        sc              RECT
19 
        dst_x           dd ?            ;  32
 19 
        dst_x           dd ?            ;  32
20 
        dst_y           dd ?            ;  36
 20 
        dst_y           dd ?            ;  36
21 
        src_x           dd ?            ;  40
 21 
        src_x           dd ?            ;  40
Line 26... Line 26...
26 
        bitmap          dd ?            ;  56
 26 
        bitmap          dd ?            ;  56
27 
        stride          dd ?            ;  60
 27 
        stride          dd ?            ;  60
28 
ends
 28 
ends
Line 29... Line -...
29 
 
 - 
 
30 
 
 - 
 
31 
align 4
 - 
 
32 
 
 - 
 
33 
__L1OutCode:
 - 
 
34 
        push    ebx
 - 
 
35 
        mov     ebx, 8
 - 
 
36 
        cmp     edx, [eax]
 - 
 
37 
        jl      .L2
 - 
 
38 
        xor     ebx, ebx
 - 
 
39 
        cmp     edx, [eax+8]
 - 
 
40 
        setg    bl
 - 
 
41 
        sal     ebx, 2
 - 
 
42 
.L2:
 - 
 
43 
        cmp     ecx, [eax+4]
 - 
 
44 
        jge     .L3
 - 
 
45 
        or      ebx, 1
 - 
 
46 
        jmp     .L4
 - 
 
47 
 
 - 
 
48 
.L3:
 - 
 
49 
        cmp     ecx, [eax+12]
 - 
 
50 
        jle     .L4
 - 
 
51 
        or      ebx, 2
 - 
 
52 
.L4:
 - 
 
53 
        mov     eax, ebx
 - 
 
Line 54... Line 29...
54 
        pop     ebx
 29 
 
55 
        ret
 30 
 
56 
 
 31 
 
- 
 
 32 
align 4
57 
align 4
 33 
block_clip:
58 
block_clip:
 34 
;esi= clip RECT ptr
- 
 
 35 
;edi= RECT ptr
59 
        push    ebp
 36 
;return code:
60 
        push    edi
 - 
 
Line 61... Line 37...
61 
        push    esi
 37 
;eax= 0 - draw, 1 - don't draw
62 
        push    ebx
 - 
 
63 
        sub     esp, 4
 38 
 
64 
 
 39 
        push    ebx
65 
        mov     ebx, eax
 40 
 
66 
        mov     [esp], edx
 - 
 
67 
        mov     ebp, ecx
 41 
        mov     eax, [edi+RECT.left]
68 
        mov     ecx, [ecx]
 - 
 
69 
        mov     edx, [edx]
 42 
        mov     ebx, [edi+RECT.right]
70 
        call    __L1OutCode
 43 
        mov     ecx, [esi+RECT.left]    ;clip.left
71 
 
 44 
        mov     edx, [esi+RECT.right]   ;clip.right
72 
        mov     esi, eax
 45 
 
73 
        mov     edx, [esp+28]
 46 
        cmp     eax, edx                ;left >= clip.right
74 
        mov     ecx, [edx]
 - 
 
75 
.L21:
 - 
 
76 
        mov     eax, [esp+24]
 47 
        jge     .fail
77 
        mov     edx, [eax]
 - 
 
78 
        mov     eax, ebx
 - 
 
79 
        call    __L1OutCode
 - 
 
80 
 
 48 
 
81 
        mov     edi, eax
 49 
        cmp     ebx, ecx                ;right < clip.left
82 
.L20:
 - 
 
83 
        mov     eax, edi
 - 
 
84 
        and     eax, esi
 - 
 
85 
        jne     .L9
 - 
 
86 
        cmp     esi, edi
 - 
 
87 
        je      .L9
 - 
 
88 
        test    esi, esi
 - 
 
89 
        jne     .L10
 - 
 
90 
        test    edi, 1
 50 
        jl      .fail
91 
        je      .L11
 - 
 
92 
        mov     eax, [ebx+4]
 - 
 
93 
        jmp     .L25
 51 
 
94 
.L11:
 52 
        cmp     eax, ecx                ;left >= clip.left
95 
        test    edi, 2
 53 
        jae     @F
96 
        je      .L13
 - 
 
97 
        mov     eax, [ebx+12]
 54 
 
98 
.L25:
 55 
        mov     eax, ecx
99 
        mov     edx, [esp+28]
 56 
@@:
100 
        jmp     .L22
 57 
        mov     [edi+RECT.left], eax
101 
.L13:
 - 
 
102 
        test    edi, 4
 58 
 
103 
        je      .L14
 - 
 
104 
        mov     eax, [ebx+8]
 - 
 
105 
        jmp     .L26
 59 
        cmp     ebx, edx                ;right <= clip.right
106 
.L14:
 60 
        jle     @f
107 
        and     edi, 8
 61 
        mov     ebx, edx
108 
        je      .L12
 - 
 
109 
        mov     eax, [ebx]
 62 
@@:
110 
.L26:
 - 
 
111 
        mov     edx, [esp+24]
 63 
        mov     [edi+RECT.right], ebx
112 
.L22:
 64 
 
113 
        mov     [edx], eax
 - 
 
114 
.L12:
 65 
        mov     eax, [edi+RECT.top]
115 
        mov     eax, [esp+28]
 - 
 
116 
        mov     ecx, [eax]
 - 
 
117 
        jmp     .L21
 66 
        mov     ebx, [edi+RECT.bottom]
118 
.L10:
 67 
        mov     ecx, [esi+RECT.top]     ;clip.top
119 
        test    esi, 1
 68 
        mov     edx, [esi+RECT.bottom]  ;clip.bottom
120 
        je      .L16
 - 
 
121 
        mov     eax, [ebx+4]
 - 
 
122 
        jmp     .L23
 69 
 
123 
.L16:
 - 
 
124 
        test    esi, 2
 - 
 
125 
        je      .L18
 70 
        cmp     eax, edx                ;top >= clip.bottom
126 
        mov     eax, [ebx+12]
 71 
        jge     .fail
127 
.L23:
 - 
 
128 
        mov     [ebp+0], eax
 - 
 
129 
        jmp     .L17
 72 
 
130 
.L18:
 73 
        cmp     ebx, ecx                ;bottom < clip.top
131 
        test    esi, 4
 74 
        jl      .fail
132 
        je      .L19
 - 
 
133 
        mov     eax, [ebx+8]
 - 
 
134 
        jmp     .L24
 75 
 
135 
.L19:
 76 
        cmp     eax, ecx                ;top >= clip.top
136 
        and     esi, 8
 - 
 
137 
        je      .L17
 77 
        jae     @F
138 
        mov     eax, [ebx]
 78 
 
139 
.L24:
 79 
        mov     eax, ecx
140 
        mov     edx, [esp]
 - 
 
141 
        mov     [edx], eax
 - 
 
142 
.L17:
 80 
@@:
143 
        mov     ecx, [ebp+0]
 - 
 
144 
        mov     eax, [esp]
 81 
        mov     [edi+RECT.top], eax
145 
        mov     edx, [eax]
 - 
 
146 
        mov     eax, ebx
 82 
 
147 
        call    __L1OutCode
 83 
        cmp     ebx, edx                ;bottom <= clip.bottom
148 
        mov     esi, eax
 84 
        jle     @f
149 
        jmp     .L20
 85 
        mov     ebx, edx
- 
 
 86 
@@:
- 
 
 87 
        mov     [edi+RECT.bottom], ebx
150 
.L9:
 88 
        pop     ebx
151 
        add     esp, 4
 89 
        xor     eax, eax
152 
        pop     ebx
 90 
        ret
Line -... Line 91...
- 
 
 91 
.fail:
153 
        pop     esi
 92 
        pop     ebx
154 
        pop     edi
 93 
        mov     eax, 1
Line 155... Line 94...
155 
        pop     ebp
 94 
        ret
156 
        ret
 95 
 
157 
 
 96 
 
158 
align 4
 97 
align 4
159 
blit_clip:
 98 
blit_clip:
160 
 
 99 
 
161 
.sx0   equ 36
 100 
.sx0   equ 8
162 
.sy0   equ 32
 101 
.sy0   equ 12
163 
.sx1   equ 28
 102 
.sx1   equ 16
Line 164... Line 103...
164 
.sy1   equ 24
 103 
.sy1   equ 20
165 
 
 104 
 
166 
.dx0   equ 20
 105 
.dx0   equ 24
Line 178... Line 117...
178 
        mov     edx, [ecx+BLITTER.src_x]
 117 
        mov     edx, [ecx+BLITTER.src_x]
179 
        mov     [esp+.sx0], edx
 118 
        mov     [esp+.sx0], edx
180 
        mov     eax, [ecx+BLITTER.src_y]
 119 
        mov     eax, [ecx+BLITTER.src_y]
181 
        mov     [esp+.sy0], eax
 120 
        mov     [esp+.sy0], eax
182 
        add     edx, [ecx+BLITTER.w]
 121 
        add     edx, [ecx+BLITTER.w]
183 
        dec     edx
 - 
 
184 
        mov     [esp+.sx1], edx
 - 
 
185 
        add     eax, [ecx+BLITTER.h]
 122 
        add     eax, [ecx+BLITTER.h]
186 
        dec     eax
 123 
        mov     [esp+.sx1], edx
187 
        mov     [esp+.sy1], eax
 124 
        mov     [esp+.sy1], eax
Line 188... Line -...
188 
 
 - 
 
189 
        lea     ecx, [esp+.sy0]
 125 
 
190 
        lea     edx, [esp+.sx0]
 126 
        lea     edi, [esp+.sx0]
191 
        lea     eax, [ebx+BLITTER.sc]
 - 
 
192 
        lea     esi, [esp+.sy1]
 - 
 
193 
 
 - 
 
194 
        mov     [esp+4], esi
 - 
 
195 
        lea     esi, [esp+.sx1]
 - 
 
196 
        mov     [esp], esi
 - 
 
Line 197... Line 127...
197 
        call    block_clip
 127 
        lea     esi, [ebx+BLITTER.sc]
198 
 
 128 
 
- 
 
 129 
        call    block_clip
199 
        mov     esi, 1
 130 
        test    eax, eax
Line 200... Line 131...
200 
        test    eax, eax
 131 
        mov     esi, 1
201 
        jne     .L28
 132 
        jnz     .done
202 
 
 133 
 
203 
        mov     edi, [esp+.sx0]
 134 
        mov     edi, [esp+.sx0]
Line 209... Line 140...
209 
        mov     ecx, [esp+.sy0]
 140 
        mov     ecx, [esp+.sy0]
210 
        mov     eax, [ebx+BLITTER.dst_y]
 141 
        mov     eax, [ebx+BLITTER.dst_y]
211 
        add     eax, ecx
 142 
        add     eax, ecx
212 
        sub     eax, [ebx+BLITTER.src_y]
 143 
        sub     eax, [ebx+BLITTER.src_y]
213 
        mov     [esp+.dy0], eax
 144 
        mov     [esp+.dy0], eax
- 
 
 145 
 
214 
        sub     edx, edi
 146 
        sub     edx, edi
215 
        add     edx, [esp+.sx1]
 147 
        add     edx, [esp+.sx1]
216 
        mov     [esp+.dx1], edx
 148 
        mov     [esp+.dx1], edx
Line 217... Line 149...
217 
 
 149 
 
218 
        sub     eax, ecx
 150 
        sub     eax, ecx
219 
        add     eax, [esp+.sy1]
 151 
        add     eax, [esp+.sy1]
Line 220... Line -...
220 
        mov     [esp+.dy1], eax
 - 
 
221 
 
 152 
        mov     [esp+.dy1], eax
222 
        lea     ecx, [esp+.dy0]
 - 
 
223 
        lea     edx, [esp+.dx0]
 - 
 
224 
        lea     eax, [esp+.dy1]
 153 
 
225 
        mov     [esp+4], eax
 - 
 
226 
        lea     eax, [esp+.dx1]
 - 
 
227 
        mov     [esp], eax
 154 
        lea     edi, [esp+.dx0]
228 
        mov     eax, ebx
 155 
        lea     esi, [ebx+BLITTER.dc]
- 
 
 156 
        call    block_clip
229 
        call    block_clip
 157 
        test    eax, eax
Line 230... Line 158...
230 
        test    eax, eax
 158 
        mov     esi, 1
231 
        jne     .L28
 159 
        jnz     .done
232 
 
 - 
 
233 
        mov     edx, [esp+.dx0]
 160 
 
234 
        mov     eax, [esp+.dx1]
 161 
        mov     edx, [esp+.dx0]
Line 235... Line 162...
235 
        inc     eax
 162 
        mov     eax, [esp+.dx1]
236 
        sub     eax, edx
 163 
        sub     eax, edx
237 
        mov     [ebx+BLITTER.w], eax
 - 
 
238 
 
 164 
        mov     [ebx+BLITTER.w], eax
239 
        mov     eax, [esp+.dy0]
 165 
 
Line 240... Line 166...
240 
        mov     ecx, [esp+.dy1]
 166 
        mov     eax, [esp+.dy0]
241 
        inc     ecx
 167 
        mov     ecx, [esp+.dy1]
Line 252... Line 178...
252 
        sub     ecx, [ebx+BLITTER.dst_y]
 178 
        sub     ecx, [ebx+BLITTER.dst_y]
253 
        mov     [ebx+BLITTER.src_y], ecx
 179 
        mov     [ebx+BLITTER.src_y], ecx
254 
        mov     [ebx+BLITTER.dst_x], edx
 180 
        mov     [ebx+BLITTER.dst_x], edx
255 
        mov     [ebx+BLITTER.dst_y], eax
 181 
        mov     [ebx+BLITTER.dst_y], eax
256 
        xor     esi, esi
 182 
        xor     esi, esi
257 
.L28:
 183 
.done:
258 
        mov     eax, esi
 184 
        mov     eax, esi
259 
        add     esp, 40
 185 
        add     esp, 40
260 
        pop     ebx
 186 
        pop     ebx
261 
        pop     esi
 187 
        pop     esi
262 
        pop     edi
 188 
        pop     edi
Line 272... Line 198...
272 
purge .dx1
 198 
purge .dx1
273 
purge .dy1
 199 
purge .dy1
Line 274... Line 200...
274 
 
 200 
 
Line 275... Line -...
275 
        ret
 - 
 
276 
 
 - 
 
277 
 
 201 
        ret
278 
 
 - 
 
279 
align 4
 202 
 
280 
 
 203 
align 4
281 
blit_32:
 204 
blit_32:
282 
        push    ebp
 205 
        push    ebp
283 
        push    edi
 206 
        push    edi
284 
        push    esi
 207 
        push    esi
Line 285... Line 208...
285 
        push    ebx
 208 
        push    ebx
286 
        sub     esp, 72
 209 
        sub     esp, 72
287 
 
 210 
 
- 
 
 211 
        mov     eax, [TASK_BASE]
- 
 
 212 
        mov     ebx, [eax-twdw + WDATA.box.width]
Line 288... Line 213...
288 
        mov     eax, [TASK_BASE]
 213 
        mov     edx, [eax-twdw + WDATA.box.height]
Line 289... Line 214...
289 
        mov     ebx, [eax-twdw + WDATA.box.width]
 214 
        inc     ebx
290 
        mov     edx, [eax-twdw + WDATA.box.height]
 215 
        inc     edx
291 
 
 216 
 
292 
        xor     eax, eax
 217 
        xor     eax, eax
Line 293... Line 218...
293 
 
 218 
 
294 
        mov     [esp+BLITTER.dc.xmin], eax
 219 
        mov     [esp+BLITTER.dc.left], eax
295 
        mov     [esp+BLITTER.dc.ymin], eax
 220 
        mov     [esp+BLITTER.dc.top], eax
296 
        mov     [esp+BLITTER.dc.xmax], ebx
 - 
 
- 
 
 221 
        mov     [esp+BLITTER.dc.right], ebx
297 
        mov     [esp+BLITTER.dc.ymax], edx
 222 
        mov     [esp+BLITTER.dc.bottom], edx
298 
 
 223 
 
299 
        mov     [esp+BLITTER.sc.xmin], eax
 - 
 
- 
 
 224 
        mov     [esp+BLITTER.sc.left], eax
300 
        mov     [esp+BLITTER.sc.ymin], eax
 225 
        mov     [esp+BLITTER.sc.top], eax
Line 301... Line 226...
301 
        mov     eax, [ecx+24]
 226 
        mov     eax, [ecx+24]
302 
        dec     eax
 227 
 
303 
        mov     [esp+BLITTER.sc.xmax], eax
 228 
        mov     [esp+BLITTER.sc.right], eax
304 
        mov     eax, [ecx+28]
 229 
        mov     eax, [ecx+28]
Line 426... Line 351...
426 
        dec     [esp+BLITTER.h]
 351 
        dec     [esp+BLITTER.h]
427 
        jnz     .outer32
 352 
        jnz     .outer32
Line 428... Line 353...
428 
 
 353 
 
429 
.done:
 354 
.done:
430 
;        call    [draw_pointer]
 355 
;        call    [draw_pointer]
431 
        call    __sys_draw_pointer
 356 
;        call    __sys_draw_pointer
432 
.L57:
 357 
.L57:
433 
        add     esp, 72
 358 
        add     esp, 72
434 
        pop     ebx
 359 
        pop     ebx
435 
        pop     esi
 360 
        pop     esi