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Line 32... Line 32...
32 
	cmp ax,word[ebx+2*_a] ;if (zz >= pz[_a])
 32 
	cmp ax,word[ebx+2*_a] ;if (zz >= pz[_a])
33 
	jl .end_0
 33 
	jl .end_0
34 
		;edi = pp
 34 
		;edi = pp
35 
		mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение
 35 
		mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение
36 
if TGL_FEATURE_RENDER_BITS eq 24
 36 
if TGL_FEATURE_RENDER_BITS eq 24
37 
		mov cl,[colorR]
 37 
		mov al,[colorR]
38 
		mov ch,[colorG]
 38 
		mov ah,[colorG]
39 
		mov word[edi+3*_a],cx
 39 
		mov word[edi+3*_a],ax
40 
		mov cl,[colorB]
 40 
		mov al,[colorB]
41 
		mov byte[edi+3*_a +2],cl
 41 
		mov byte[edi+3*_a +2],al
42 
;else
 42 
;else
43 
;      pp[_a]=color;
 43 
;      pp[_a]=color;
44 
end if
 44 
end if
45 
	.end_0:
 45 
	.end_0:
46 
	mov eax,[dzdx]
 46 
	mov eax,[dzdx]
Line 67... Line 67...
67 
INTERP_Z equ 1
 67 
INTERP_Z equ 1
68 
INTERP_RGB equ 1
 68 
INTERP_RGB equ 1
Line 69... Line 69...
69 
 
 69 
 
70 
macro DRAW_INIT
 70 
macro DRAW_INIT
71 
{
 - 
 
72 
if TGL_FEATURE_RENDER_BITS eq 16
 - 
 
73 
;  _drgbdx=((drdx / (1<<6)) << 22) & 0xFFC00000;
 - 
 
74 
;  _drgbdx|=(dgdx / (1<<5)) & 0x000007FF;
 - 
 
75 
;  _drgbdx|=((dbdx / (1<<7)) << 12) & 0x001FF000;
 - 
 
76 
end if
 71 
{
Line 77... Line 72...
77 
}
 72 
}
78 
 
 73 
 
79 
macro PUT_PIXEL _a
 74 
macro PUT_PIXEL _a
Line 86... Line 81...
86 
	cmp ax,word[ebx+2*_a] ;if (zz >= pz[_a])
 81 
	cmp ax,word[ebx+2*_a] ;if (zz >= pz[_a])
87 
	jl .end_0
 82 
	jl .end_0
88 
		;edi = pp
 83 
		;edi = pp
89 
		mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение
 84 
		mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение
90 
if TGL_FEATURE_RENDER_BITS eq 24
 85 
if TGL_FEATURE_RENDER_BITS eq 24
91 
		mov ecx,[og1]
 86 
		mov ebx,[or1]
92 
		mov eax,[or1]
 87 
		mov eax,[og1]
93 
		mov cl,ah
 88 
		mov al,bh
94 
		mov word[edi+3*_a],cx
 89 
		mov word[edi+3*_a],ax
95 
		mov eax,[ob1]
 90 
		mov eax,[ob1]
96 
		mov byte[edi+3*_a +2],ah
 91 
		mov byte[edi+3*_a +2],ah
97 
end if
 92 
end if
98 
if TGL_FEATURE_RENDER_BITS eq 16
 93 
;if TGL_FEATURE_RENDER_BITS eq 32
99 
;      tmp=rgb & 0xF81F07E0;
 - 
 
100 
;      pp[_a]=tmp | (tmp >> 16);
 - 
 
101 
;else
 - 
 
102 
;      pp[_a] = RGB_TO_PIXEL(or1, og1, ob1);
 94 
;      pp[_a] = RGB_TO_PIXEL(or1, og1, ob1);
103 
end if
 95 
;end if
104 
	.end_0:
 96 
	.end_0:
105 
	mov eax,[dzdx]
 97 
	mov eax,[dzdx]
106 
	add [z],eax
 98 
	add [z],eax
107 
if TGL_FEATURE_RENDER_BITS eq 16
 - 
 
108 
;    rgb=(rgb+drgbdx) & ( ~ 0x00200800);
 - 
 
109 
end if
 - 
 
110 
if TGL_FEATURE_RENDER_BITS <> 16
 - 
 
111 
	mov eax,[dgdx]
 99 
	mov eax,[dgdx]
112 
	add [og1],eax
 100 
	add [og1],eax
113 
	mov eax,[drdx]
 101 
	mov eax,[drdx]
114 
	add [or1],eax
 102 
	add [or1],eax
115 
	mov eax,[dbdx]
 103 
	mov eax,[dbdx]
116 
	add [ob1],eax
 104 
	add [ob1],eax
117 
end if
 - 
 
118 
}
 - 
 
119 
 
 - 
 
120 
macro DRAW_LINE code
 - 
 
121 
{
 - 
 
122 
local .cycle_0
 - 
 
123 
local .cycle_1
 - 
 
124 
if TGL_FEATURE_RENDER_BITS eq 16
 - 
 
125 
if code eq 0
 - 
 
126 
	tmp dd ? ;uint
 - 
 
127 
	rgb dd ? ;uint
 - 
 
128 
	drgbdx dd ? ;uint
 - 
 
129 
end if
 - 
 
130 
if code eq 1
 - 
 
131 
	mov eax,[x2]
 - 
 
132 
	sar eax,16
 - 
 
133 
	sub eax,[x1]
 - 
 
134 
	mov [n],eax ;n = (x2 >> 16) - x1
 - 
 
135 
	mov edi,[pp1]
 - 
 
136 
	add edi,[x1] ;pp = pp1 + x1
 - 
 
137 
	mov eax,[pz1]
 - 
 
138 
	add eax,[x1]
 - 
 
139 
	mov [pz],eax ;pz = pz1 + x1
 - 
 
140 
	mov eax,[z1]
 - 
 
141 
	mov [z],eax ;z = z1
 - 
 
142 
	mov eax,[r1]
 - 
 
143 
	shl eax,16
 - 
 
144 
	and eax,0xFFC00000
 - 
 
145 
	mov [rgb],eax ;rgb = (r1 << 16) & 0xFFC00000
 - 
 
146 
	mov eax,[g1]
 - 
 
147 
	shr eax,5
 - 
 
148 
	and eax,0x000007FF
 - 
 
149 
	or [rgb],eax ;rgb |= (g1 >> 5) & 0x000007FF
 - 
 
150 
	mov eax,[b1]
 - 
 
151 
	shl eax,5
 - 
 
152 
	and eax,0x001FF000
 - 
 
153 
	or [rgb],eax ;rgb |= (b1 << 5) & 0x001FF000
 - 
 
154 
	mov eax,[_drgbdx]
 - 
 
155 
	mov [drgbdx],eax ;drgbdx = _drgbdx
 - 
 
156 
align 4
 - 
 
157 
	.cycle_0: ;while (n>=3)
 - 
 
158 
	cmp dword[n],3
 - 
 
159 
	jl .cycle_1
 - 
 
160 
		PUT_PIXEL 0
 - 
 
161 
		PUT_PIXEL 1
 - 
 
162 
		PUT_PIXEL 2
 - 
 
163 
		PUT_PIXEL 3
 - 
 
164 
		add dword[pz],8
 - 
 
165 
		add edi,4*3
 - 
 
166 
		sub [n],4
 - 
 
167 
	jmp .cycle_0
 - 
 
168 
	.cycle_1: ;while (n>=0)
 - 
 
169 
	cmp dword[n],0
 - 
 
170 
	jl .cycle_1_end
 - 
 
171 
		PUT_PIXEL 0
 - 
 
172 
		add dword[pz],2
 - 
 
173 
		add edi,3
 - 
 
174 
		dec dword[n]
 - 
 
175 
		jmp .cycle_1
 - 
 
176 
	.cycle_1_end:
 - 
 
177 
end if
 - 
 
178 
end if
 - 
 
179 
}
 105 
}
Line 180... Line 106...
180 
 
 106 
 
181 
align 4
 107 
align 4
182 
proc ZB_fillTriangleSmooth, zb:dword, p0:dword, p1:dword, p2:dword
 108 
proc ZB_fillTriangleSmooth, zb:dword, p0:dword, p1:dword, p2:dword
183 
locals
 - 
 
184 
if TGL_FEATURE_RENDER_BITS eq 16
 - 
 
185 
	_drgbdx dd ? ;int
 - 
 
186 
end if
 109 
locals
Line 187... Line 110...
187 
include 'ztriangle.inc'
 110 
include 'ztriangle.inc'
188 
 
 111 
 
189 
align 4
 112 
align 4
Line 317... Line 240...
317 
{
 240 
{
318 
if TGL_FEATURE_RENDER_BITS eq 24
 241 
if TGL_FEATURE_RENDER_BITS eq 24
319 
if code eq 0
 242 
if code eq 0
320 
	s dd ? ;uint
 243 
	s dd ? ;uint
321 
	t dd ? ;uint
 244 
	t dd ? ;uint
322 
	n1 dd ? ;int - длинна горизонтальной линии в пикселях
 - 
 
323 
	dsdx dd ? ;int
 245 
	dsdx dd ? ;int
324 
	dtdx dd ? ;int
 246 
	dtdx dd ? ;int
325 
	fz dd ? ;float
 247 
	fz dd ? ;float
326 
	zinv dd ? ;float
 248 
	zinv dd ? ;float
327 
end if
 249 
end if
328 
if code eq 1
 250 
if code eq 1
329 
	mov eax,[x2]
 251 
	mov eax,[x2]
330 
	sar eax,16
 252 
	sar eax,16
331 
	sub eax,[x1]
 253 
	sub eax,[x1]
332 
	mov [n1],eax ;n1 = (x2 >> 16) - x1
 254 
	mov [n],eax ;n = (x2 >> 16) - x1
333 
fld1
 255 
fld1
334 
	fild dword[z1]
 256 
	fild dword[z1]
335 
	fst dword[fz] ;fz = (float)z1
 257 
	fst dword[fz] ;fz = (float)z1
336 
	;fld1
 258 
	;fld1
337 
	fdivp
 259 
	fdivp
338 
	fstp dword[zinv] ;zinv = 1.0 / fz
 260 
	fstp dword[zinv] ;zinv = 1.0 / fz
339 
	mov edi,[x1]
 261 
	mov edi,[x1]
340 
	imul edi,PSZB
 262 
	imul edi,PSZB
341 
	add edi,[pp1] ;pp = (pp1 + x1 * PSZB)
 263 
	add edi,[pp1] ;pp = (pp1 + x1 * PSZB)
342 
	mov eax,[pz1]
 264 
	mov eax,[x1]
- 
 
 265 
	shl eax,1
343 
	add eax,[x1]
 266 
	add eax,[pz1]
344 
	mov [pz],eax ;pz = pz1 + x1
 267 
	mov [pz],eax ;pz = pz1 + x1
345 
	mov eax,[z1]
 268 
	mov eax,[z1]
346 
	mov [z],eax ;z = z1
 269 
	mov [z],eax ;z = z1
347 
	mov eax,[sz1]
 270 
	mov eax,[sz1]
348 
	mov [s_z],eax ;sz = sz1
 271 
	mov [s_z],eax ;sz = sz1
349 
	mov eax,[tz1]
 272 
	mov eax,[tz1]
350 
	mov [t_z],eax ;tz = tz1
 273 
	mov [t_z],eax ;tz = tz1
351 
align 4
 274 
align 4
352 
	.cycle_2: ;while (n1>=(NB_INTERP-1))
 275 
	.cycle_2: ;while (n>=(NB_INTERP-1))
353 
	cmp dword[n1],NB_INTERP-1
 276 
	cmp dword[n],NB_INTERP-1
354 
	jl .cycle_2_end
 277 
	jl .cycle_2_end
355 
		fld dword[zinv]
 278 
		fld dword[zinv]
356 
		fld st0
 279 
		fld st0
357 
		fmul dword[s_z] ;ss = (sz * zinv)
 280 
		fmul dword[s_z] ;ss = (sz * zinv)
358 
		fist dword[s] ;s = (int) ss
 281 
		fist dword[s] ;s = (int) ss
Line 383... Line 306...
383 
		PUT_PIXEL 5
 306 
		PUT_PIXEL 5
384 
		PUT_PIXEL 6
 307 
		PUT_PIXEL 6
385 
		PUT_PIXEL 7
 308 
		PUT_PIXEL 7
386 
		add dword[pz],2*NB_INTERP ;pz += NB_INTERP
 309 
		add dword[pz],2*NB_INTERP ;pz += NB_INTERP
387 
		add edi,NB_INTERP*PSZB ;pp += NB_INTERP * PSZB
 310 
		add edi,NB_INTERP*PSZB ;pp += NB_INTERP * PSZB
388 
		sub dword[n1],NB_INTERP ;n1 -= NB_INTERP
 311 
		sub dword[n],NB_INTERP ;n -= NB_INTERP
389 
		fld dword[ndszdx]
 312 
		fld dword[ndszdx]
390 
		fadd dword[s_z]
 313 
		fadd dword[s_z]
391 
		fstp dword[s_z] ;s_z += ndszdx
 314 
		fstp dword[s_z] ;sz += ndszdx
392 
		fld dword[ndtzdx]
 315 
		fld dword[ndtzdx]
393 
		fadd dword[t_z]
 316 
		fadd dword[t_z]
394 
		fstp dword[t_z] ;tz += ndtzdx
 317 
		fstp dword[t_z] ;tz += ndtzdx
395 
		jmp .cycle_2
 318 
		jmp .cycle_2
396 
	.cycle_2_end:
 319 
	.cycle_2_end:
Line 409... Line 332...
409 
	fchs
 332 
	fchs
410 
	fadd dword[dtzdx]
 333 
	fadd dword[dtzdx]
411 
	fmul dword[zinv]
 334 
	fmul dword[zinv]
412 
	fistp dword[dtdx] ;dtdx = (int)( (dtzdx - tt*fdzdx)*zinv )
 335 
	fistp dword[dtdx] ;dtdx = (int)( (dtzdx - tt*fdzdx)*zinv )
413 
align 4
 336 
align 4
414 
	.cycle_3: ;while (n1>=0)
 337 
	.cycle_3: ;while (n>=0)
415 
	cmp dword[n1],0
 338 
	cmp dword[n],0
416 
	jl .cycle_3_end
 339 
	jl .cycle_3_end
417 
		PUT_PIXEL 0
 340 
		PUT_PIXEL 0
418 
		add dword[pz],2 ;pz += 1
 341 
		add dword[pz],2 ;pz += 1
419 
		add edi,PSZB ;pp += PSZB
 342 
		add edi,PSZB ;pp += PSZB
420 
		dec dword[n1]
 343 
		dec dword[n]
421 
		jmp .cycle_3
 344 
		jmp .cycle_3
422 
	.cycle_3_end:
 345 
	.cycle_3_end:
423 
end if
 346 
end if
424 
end if
 347 
end if
425 
}
 348 
}
Line 464... Line 387...
464 
		;edi = pp
 387 
		;edi = pp
465 
		mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение
 388 
		mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение
466 
		fild dword[z]
 389 
		fild dword[z]
467 
		fld dword[s_z]
 390 
		fld dword[s_z]
468 
		fdiv st0,st1
 391 
		fdiv st0,st1
469 
		;fistp dword[...s...] ;s = (int) (s_z / (float) z)
 392 
		fistp dword[esp-4] ;s = (int) (s_z / (float) z)
- 
 
 393 
		fld dword[t_z]
- 
 
 394 
		fdiv st0,st1
470 
;       t= (int) (t_z / (float) z);
 395 
		fistp dword[esp-8] ;t = (int) (t_z / (float) z)
- 
 
 396 
		mov eax,dword[esp-8]
- 
 
 397 
		and eax,0x3FC00000
- 
 
 398 
		or eax,dword[esp-4]
- 
 
 399 
		shr eax,12 ;14
- 
 
 400 
		add eax,[texture]
- 
 
 401 
		mov eax,[eax]
471 
;       pp[_a]=texture[((t & 0x3FC00000) | s) >> 14];
 402 
		stosd ;pp[_a] = texture[((t & 0x3FC00000) | s) >> 14]
- 
 
 403 
		sub edi,4
472 
	.end_0:
 404 
	.end_0:
473 
	mov eax,[dzdx]
 405 
	mov eax,[dzdx]
474 
	add [z],eax
 406 
	add [z],eax
475 
	fld dword[dszdx]
 407 
	fld dword[dszdx]
476 
	fadd dword[s_z]
 408 
	fadd dword[s_z]