WebSVN – Kolibri OS – Diff – /programs/develop/libraries/TinyGL/asm_fork/ztriangle.asm



	mov [colorG],ah ;colorG=p2.g>>8
	mov eax,[ecx+offs_zbup_b]
	mov [colorB],ah ;colorB=p2.b>>8
;else
;color=RGB_TO_PIXEL(p2.r,p2.g,p2.b)
end if
}
 

macro PUT_PIXEL _a
{
local .end_0
	mov eax,[z]
	shr eax,ZB_POINT_Z_FRAC_BITS
 
 
	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
	jl .end_0
		;edi = pp
		mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
if TGL_FEATURE_RENDER_BITS eq 24
		mov al,[colorR]
		mov ah,[colorG]
		mov word[edi+3*_a],ax
		mov al,[colorB]
		mov byte[edi+3*_a +2],al
;else
;pp[_a]=color
end if
	.end_0:
	mov eax,[dzdx]
	add [z],eax
}

{
local .end_0
	mov eax,[z]
	shr eax,ZB_POINT_Z_FRAC_BITS
	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
 
 
	jl .end_0
		;edi = pp
		mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
if TGL_FEATURE_RENDER_BITS eq 24
		mov ebx,[or1]
		mov eax,[og1]
		mov al,bh
		mov word[edi+3*_a],ax
		mov eax,[ob1]
		mov byte[edi+3*_a +2],ah
end if
;if TGL_FEATURE_RENDER_BITS eq 32
;pp[_a] = RGB_TO_PIXEL(or1, og1, ob1)
;end if
	.end_0:
	mov eax,[dzdx]
	add [z],eax
	mov eax,[dgdx]
	add [og1],eax

{
local .end_0
	mov eax,[z]
	shr eax,ZB_POINT_Z_FRAC_BITS
	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
 
 
	jl .end_0
		;edi = pp
		mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
if TGL_FEATURE_RENDER_BITS eq 24
		mov ebx,[t]
		and ebx,0x3fc00000
		or ebx,[s]
		shr ebx,14
		imul ebx,3

		mov word[edi+3*_a],ax ;pp[3 * _a]= ptr[0,1]
		mov al,byte[ebx+2]
		mov byte[edi+3*_a +2],al ;pp[3 * _a + 2]= ptr[2]
else
;pp[_a]=texture[((t & 0x3FC00000) | s) >> 14]
end if
	.end_0:
	mov eax,[dzdx]
	add [z],eax
	mov eax,[dsdx]
	add [s],eax

{
local .end_0
	mov eax,[z]
	shr eax,ZB_POINT_Z_FRAC_BITS
	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
 
 
	jl .end_0
		;edi = pp
		mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
if TGL_FEATURE_RENDER_BITS eq 24
		mov ebx,[t]
		and ebx,0x3fc00000
		mov eax,[s]
		and eax,0x003fc000
		or ebx,eax

	fdivp
	fstp dword[zinv] ;zinv = 1.0 / fz
	imul edi,PSZB
	add edi,[pp1] ;pp = (pp1 + x1 * PSZB)
	mov esi,[x1]
	shl esi,1
	add esi,[pz1] ;pz = pz1 + x1
 
	mov eax,[z1]
	mov [z],eax ;z = z1
	mov eax,[sz1]
	mov [s_z],eax ;sz = sz1
	mov eax,[tz1]
	mov [t_z],eax ;tz = tz1

		PUT_PIXEL 4
		PUT_PIXEL 5
		PUT_PIXEL 6
		PUT_PIXEL 7
		add esi,2*NB_INTERP ;pz += NB_INTERP
		add edi,NB_INTERP*PSZB ;pp += NB_INTERP * PSZB
		sub dword[n],NB_INTERP ;n -= NB_INTERP
		fld dword[ndszdx]
		fadd dword[s_z]
		fstp dword[s_z] ;sz += ndszdx
		fld dword[ndtzdx]

	.cycle_3: ;while (n>=0)
	cmp dword[n],0
	jl .cycle_3_end
		PUT_PIXEL 0
		add esi,2 ;pz += 1
		add edi,PSZB ;pp += PSZB
		dec dword[n]
		jmp .cycle_3
	.cycle_3_end:
end if
}

{
local .end_0
	mov eax,[z]
	shr eax,ZB_POINT_Z_FRAC_BITS
	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
 
 
	jl .end_0
		;edi = pp
		mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
		fild dword[z]
		fld dword[s_z]
		fdiv st0,st1
		fistp dword[esp-4] ;s = (int) (s_z / (float) z)
		fld dword[t_z]
		fdiv st0,st1

Rev 6113	Rev 6126
Line 10...	Line 10...
10	mov [colorG],ah ;colorG=p2.g>>8	10	mov [colorG],ah ;colorG=p2.g>>8
11	mov eax,[ecx+offs_zbup_b]	11	mov eax,[ecx+offs_zbup_b]
12	mov [colorB],ah ;colorB=p2.b>>8	12	mov [colorB],ah ;colorB=p2.b>>8
13	;else	13	;else
14	; color=RGB_TO_PIXEL(p2->r,p2->g,p2->b);	14	;color=RGB_TO_PIXEL(p2.r,p2.g,p2.b)
15	end if	15	end if
16	}	16	}
17		17
Line 18...	Line 18...
18	macro PUT_PIXEL _a	18	macro PUT_PIXEL _a
19	{	19	{
20	local .end_0	20	local .end_0
21	mov eax,[z]	21	mov eax,[z]
22	shr eax, ZB_POINT_Z_FRAC_BITS	22	shr eax,ZB_POINT_Z_FRAC_BITS
23	mov [zz],eax	-
24	mov ebx,[pz]	-
25	cmp ax,word[ebx+2*_a] ;if (zz >= pz[_a])	23	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
26	jl .end_0	24	jl .end_0
27	;edi = pp	25	;edi = pp
28	mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение	26	mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
29	if TGL_FEATURE_RENDER_BITS eq 24	27	if TGL_FEATURE_RENDER_BITS eq 24
30	mov al,[colorR]	28	mov al,[colorR]
31	mov ah,[colorG]	29	mov ah,[colorG]
32	mov word[edi+3*_a],ax	30	mov word[edi+3*_a],ax
33	mov al,[colorB]	31	mov al,[colorB]
34	mov byte[edi+3*_a +2],al	32	mov byte[edi+3*_a +2],al
35	;else	33	;else
36	; pp[_a]=color;	34	;pp[_a]=color
37	end if	35	end if
38	.end_0:	36	.end_0:
39	mov eax,[dzdx]	37	mov eax,[dzdx]
40	add [z],eax	38	add [z],eax
41	}	39	}
Line 68...	Line 66...
68	{	66	{
69	local .end_0	67	local .end_0
70	mov eax,[z]	68	mov eax,[z]
71	shr eax,ZB_POINT_Z_FRAC_BITS	69	shr eax,ZB_POINT_Z_FRAC_BITS
72	mov [zz],eax	70	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
73	mov ebx,[pz]	-
74	cmp ax,word[ebx+2*_a] ;if (zz >= pz[_a])	-
75	jl .end_0	71	jl .end_0
76	;edi = pp	72	;edi = pp
77	mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение	73	mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
78	if TGL_FEATURE_RENDER_BITS eq 24	74	if TGL_FEATURE_RENDER_BITS eq 24
79	mov ebx,[or1]	75	mov ebx,[or1]
80	mov eax,[og1]	76	mov eax,[og1]
81	mov al,bh	77	mov al,bh
82	mov word[edi+3*_a],ax	78	mov word[edi+3*_a],ax
83	mov eax,[ob1]	79	mov eax,[ob1]
84	mov byte[edi+3*_a +2],ah	80	mov byte[edi+3*_a +2],ah
85	end if	81	end if
86	;if TGL_FEATURE_RENDER_BITS eq 32	82	;if TGL_FEATURE_RENDER_BITS eq 32
87	; pp[_a] = RGB_TO_PIXEL(or1, og1, ob1);	83	;pp[_a] = RGB_TO_PIXEL(or1, og1, ob1)
88	;end if	84	;end if
89	.end_0:	85	.end_0:
90	mov eax,[dzdx]	86	mov eax,[dzdx]
91	add [z],eax	87	add [z],eax
92	mov eax,[dgdx]	88	mov eax,[dgdx]
93	add [og1],eax	89	add [og1],eax
Line 124...	Line 120...
124	{	120	{
125	local .end_0	121	local .end_0
126	mov eax,[z]	122	mov eax,[z]
127	shr eax,ZB_POINT_Z_FRAC_BITS	123	shr eax,ZB_POINT_Z_FRAC_BITS
128	mov [zz],eax	124	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
129	mov ebx,[pz]	-
130	cmp ax,word[ebx+2*_a] ;if (zz >= pz[_a])	-
131	jl .end_0	125	jl .end_0
132	;edi = pp	126	;edi = pp
133	mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение	127	mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
134	if TGL_FEATURE_RENDER_BITS eq 24	128	if TGL_FEATURE_RENDER_BITS eq 24
135	mov ebx,[t]	129	mov ebx,[t]
136	and ebx,0x3fc00000	130	and ebx,0x3fc00000
137	or ebx,[s]	131	or ebx,[s]
138	shr ebx,14	132	shr ebx,14
139	imul ebx,3	133	imul ebx,3
Line 142...	Line 136...
142	mov word[edi+3_a],ax ;pp[3 _a]= ptr[0,1]	136	mov word[edi+3_a],ax ;pp[3 _a]= ptr[0,1]
143	mov al,byte[ebx+2]	137	mov al,byte[ebx+2]
144	mov byte[edi+3_a +2],al ;pp[3 _a + 2]= ptr[2]	138	mov byte[edi+3_a +2],al ;pp[3 _a + 2]= ptr[2]
145	else	139	else
146	; pp[_a]=texture[((t & 0x3FC00000) \| s) >> 14];	140	;pp[_a]=texture[((t & 0x3FC00000) \| s) >> 14]
147	end if	141	end if
148	.end_0:	142	.end_0:
149	mov eax,[dzdx]	143	mov eax,[dzdx]
150	add [z],eax	144	add [z],eax
151	mov eax,[dsdx]	145	mov eax,[dsdx]
152	add [s],eax	146	add [s],eax
Line 194...	Line 188...
194	{	188	{
195	local .end_0	189	local .end_0
196	mov eax,[z]	190	mov eax,[z]
197	shr eax,ZB_POINT_Z_FRAC_BITS	191	shr eax,ZB_POINT_Z_FRAC_BITS
198	mov [zz],eax	192	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
199	mov ebx,[pz]	-
200	cmp ax,word[ebx+2*_a] ;if (zz >= pz[_a])	-
201	jl .end_0	193	jl .end_0
202	;edi = pp	194	;edi = pp
203	mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение	195	mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
204	if TGL_FEATURE_RENDER_BITS eq 24	196	if TGL_FEATURE_RENDER_BITS eq 24
205	mov ebx,[t]	197	mov ebx,[t]
206	and ebx,0x3fc00000	198	and ebx,0x3fc00000
207	mov eax,[s]	199	mov eax,[s]
208	and eax,0x003fc000	200	and eax,0x003fc000
209	or ebx,eax	201	or ebx,eax
Line 244...	Line 236...
244	fdivp	236	fdivp
245	fstp dword[zinv] ;zinv = 1.0 / fz	237	fstp dword[zinv] ;zinv = 1.0 / fz
246	imul edi,PSZB	238	imul edi,PSZB
247	add edi,[pp1] ;pp = (pp1 + x1 * PSZB)	239	add edi,[pp1] ;pp = (pp1 + x1 * PSZB)
248	mov eax,[x1]	240	mov esi,[x1]
249	shl eax,1	241	shl esi,1
250	add eax,[pz1]	242	add esi,[pz1] ;pz = pz1 + x1
251	mov [pz],eax ;pz = pz1 + x1	-
252	mov eax,[z1]	243	mov eax,[z1]
253	mov [z],eax ;z = z1	244	mov [z],eax ;z = z1
254	mov eax,[sz1]	245	mov eax,[sz1]
255	mov [s_z],eax ;sz = sz1	246	mov [s_z],eax ;sz = sz1
256	mov eax,[tz1]	247	mov eax,[tz1]
257	mov [t_z],eax ;tz = tz1	248	mov [t_z],eax ;tz = tz1
Line 289...	Line 280...
289	PUT_PIXEL 4	280	PUT_PIXEL 4
290	PUT_PIXEL 5	281	PUT_PIXEL 5
291	PUT_PIXEL 6	282	PUT_PIXEL 6
292	PUT_PIXEL 7	283	PUT_PIXEL 7
293	add dword[pz],2*NB_INTERP ;pz += NB_INTERP	284	add esi,2*NB_INTERP ;pz += NB_INTERP
294	add edi,NB_INTERPPSZB ;pp += NB_INTERP PSZB	285	add edi,NB_INTERPPSZB ;pp += NB_INTERP PSZB
295	sub dword[n],NB_INTERP ;n -= NB_INTERP	286	sub dword[n],NB_INTERP ;n -= NB_INTERP
296	fld dword[ndszdx]	287	fld dword[ndszdx]
297	fadd dword[s_z]	288	fadd dword[s_z]
298	fstp dword[s_z] ;sz += ndszdx	289	fstp dword[s_z] ;sz += ndszdx
299	fld dword[ndtzdx]	290	fld dword[ndtzdx]
Line 321...	Line 312...
321	.cycle_3: ;while (n>=0)	312	.cycle_3: ;while (n>=0)
322	cmp dword[n],0	313	cmp dword[n],0
323	jl .cycle_3_end	314	jl .cycle_3_end
324	PUT_PIXEL 0	315	PUT_PIXEL 0
325	add dword[pz],2 ;pz += 1	316	add esi,2 ;pz += 1
326	add edi,PSZB ;pp += PSZB	317	add edi,PSZB ;pp += PSZB
327	dec dword[n]	318	dec dword[n]
328	jmp .cycle_3	319	jmp .cycle_3
329	.cycle_3_end:	320	.cycle_3_end:
330	end if	321	end if
331	}	322	}
Line 363...	Line 354...
363	{	354	{
364	local .end_0	355	local .end_0
365	mov eax,[z]	356	mov eax,[z]
366	shr eax,ZB_POINT_Z_FRAC_BITS	357	shr eax,ZB_POINT_Z_FRAC_BITS
367	mov [zz],eax	358	cmp ax,word[esi+2*_a] ;if (zz >= pz[_a])
368	mov ebx,[pz]	-
369	cmp ax,word[ebx+2*_a] ;if (zz >= pz[_a])	-
370	jl .end_0	359	jl .end_0
371	;edi = pp	360	;edi = pp
372	mov word[ebx+2*_a],ax ;пишем в буфер глубины новое значение	361	mov word[esi+2*_a],ax ;пишем в буфер глубины новое значение
373	fild dword[z]	362	fild dword[z]
374	fld dword[s_z]	363	fld dword[s_z]
375	fdiv st0,st1	364	fdiv st0,st1
376	fistp dword[esp-4] ;s = (int) (s_z / (float) z)	365	fistp dword[esp-4] ;s = (int) (s_z / (float) z)
377	fld dword[t_z]	366	fld dword[t_z]
378	fdiv st0,st1	367	fdiv st0,st1

Subversion Repositories Kolibri OS

(root)/programs/develop/libraries/TinyGL/asm_fork/ztriangle.asm – Rev 6113 → 6126