WebSVN – Kolibri OS – Blame – /programs/demos/3DS/GRD_TEX.INC

Rev	Author	Line No.	Line
1245	hidnplayr	1
		2
		3	;NON=0
		4	;MMX=1
		5	;Ext=MMX
		6	;TEX_SIZE=0x3fff
		7	;SIZE_X equ 512
		8	;SIZE_Y equ 512
		9	;ROUND = 8
		10	;TEX_SHIFT equ 6
		11
		12	; procedure drawing textured triangle with Gouraud shading
		13
		14	; I set the color by this way -- (col1 * col2)/256 ------
		15	;------------------in - eax - x1 shl 16 + y1 ------------
		16	;---------------------- ebx - x2 shl 16 + y2 ------------
		17	;---------------------- ecx - x3 shl 16 + y3 ------------
		18	;---------------------- esi - pointer to Z-buffer--------
		19	;---------------------- edx - pointer to texture---------
		20	;---------------------- Z-buffer filled with dd variables
		21	;---------------------- shifted CATMULL_SHIFT------------
		22	;---------------------- edi - pointer to screen buffer---
		23	;---------------------- stack : colors-------------------
		24
		25
		26
		27
		28
		29	.tex_y3 equ [ebp+38] ; 36 bytes through stack
		30	.tex_x3 equ [ebp+36]
		31	.tex_y2 equ [ebp+34]
		32	.tex_x2 equ [ebp+32]
		33	.tex_y1 equ [ebp+30]
		34	.tex_x1 equ [ebp+28]
		35
		36	.z3 equ [ebp+26]
		37
		38	.col3g equ [ebp+22]
		39	.col3r equ [ebp+20]
		40
		41	.z2 equ [ebp+18]
		42
		43	.col2g equ [ebp+14]
		44	.col2r equ [ebp+12]
		45
		46	.z1 equ [ebp+10]
		47
		48	.col1g equ [ebp+6]
		49	.col1r equ [ebp+4]
		50
		51	; local variables:
		52
		53	.tex_ptr equ dword[ebp-4]
		54
		55	.scr_buff equ dword[ebp-12]
		56
		57	.x1 equ word[ebp-14] ;dw ? ;equ word[ebp-10]
		58
		59	.x2 equ word[ebp-18] ;dw ? ;equ word[ebp-14]
		60	.y2 equ word[ebp-20] ;dw ? ;equ word[ebp-16]
		61	.x3 equ word[ebp-22] ;dw ? ;equ word[ebp-18]
		62	.y3 equ word[ebp-24] ;dw ? ;equ word[ebp-20]
		63
		64	.dx12 equ dword[ebp-28] ;dd ?
		65
		66	.tex_dy12 equ dword[ebp-36] ;dd ?
		67	.dz12 equ dword[ebp-40] ;dd ?
		68	.dc12r equ dword[ebp-44] ;dd ?
		69	.dc12g equ dword[ebp-48] ;dd ?
		70	.dc12b equ dword[ebp-52] ;dd ?
		71
		72	.dx23 equ dword[ebp-56] ;dd ?
		73
		74	.tex_dy23 equ dword[ebp-64] ;dd ?
		75	.dz23 equ dword[ebp-68] ;dd ?
		76	.dc23r equ dword[ebp-72] ;dd ?
		77	.dc23g equ dword[ebp-76] ;dd ?
		78	.dc23b equ dword[ebp-80] ;dword[ebp-8]dd ?
		79
		80	.dx13 equ dword[ebp-84] ;dd ?
		81
		82	.tex_dy13 equ dword[ebp-92] ;dd ?
		83	.dz13 equ dword[ebp-96] ;dd ?
		84	.dc13r equ dword[ebp-100] ;dd ?
		85	.dc13g equ dword[ebp-104] ;dd ?
		86	.dc13b equ dword[ebp-108] ;dd ?
		87
		88	.zz1 equ dword[ebp-112] ;dw ?
		89
		90	.cur1r equ dword[ebp-120] ;dw ?
		91	.cur1g equ dword[ebp-124] ;dw ?
		92	.cur1b equ dword[ebp-128] ;dw ?
		93	.cur2r equ dword[ebp-132] ;dw ?
		94	.cur2g equ dword[ebp-136] ;dw ?
		95	.cur2b equ dword[ebp-140] ;dw ?
		96	.scan_x1 equ dword[ebp-144] ;dd ?
		97	.scan_x2 equ dword[ebp-148] ;dd ?
		98	.scan_y1 equ dword[ebp-152] ;dd ?
		99	.scan_y2 equ dword[ebp-156] ;dd ?
		100
		101
		102
		103
		104	emms
		105	end if
		106
		107	; mov .tex_ptr,edx
		108
		109	; mov .scr_buff,edi
		110	push edx esi edi
		111	; push esi
		112	; push edi
		113	mov edx,80008000h ; eax,ebx,ecx are ANDd together into edx which means that
		114	and edx,ebx ; if all of them are negative a sign flag is raised
		115	and edx,ecx
		116	and edx,eax
		117	test edx,80008000h ; Check both X&Y at once
		118	jne .loop2_end
		119
		120	.sort3:
		121
		122	jle .sort1
		123	xchg eax,ebx
		124	if Ext>=MMX
		125	movq mm0, .col1r ; exchange r, g, b, z
		126	movq mm1, .col2r
		127	movq .col1r ,mm1
		128	movq .col2r ,mm0
		129	else
		130	mov edx,dword .col1r ; exchange both r and g
		131	xchg edx,dword .col2r
		132	mov dword .col1r ,edx
		133
		134	mov edx,dword .col1b ; b and z
		135
		136	mov dword .col1b ,edx
		137	end if
		138
		139	mov edx,dword .tex_x1
		140
		141	mov dword .tex_x1 ,edx
		142
		143	.sort1:
		144
		145	jle .sort2
		146	xchg ebx,ecx
		147
		148	if Ext>=MMX
		149
		150	movq mm1, .col3r
		151	movq .col3r ,mm0
		152	movq .col2r ,mm1
		153	else
		154
		155	mov edx,dword .col2r ; r, g
		156
		157	mov dword .col2r,edx
		158
		159	mov edx,dword .col2b ; b, z
		160
		161	mov dword .col2b,edx
		162	end if
		163
		164	mov edx,dword .tex_x2
		165
		166	mov dword .tex_x2,edx
		167
		168	jmp .sort3
		169
		170	.sort2:
		171
		172	push eax ebx ecx ; store in variables
		173
		174	; push ecx
		175
		176	;**************** delta computng zone ************
		177
		178	mov bx,.y2 ; calc delta12
		179	sub bx,.y1
		180	jnz .dx12_make
		181	mov ecx,7
		182	@@:
		183	push dword 0
		184	loop @b
		185	jmp .dx12_done
		186	.dx12_make:
		187
		188
		189
		190
		191	cwde
		192	movsx ebx,bx
		193	shl eax,ROUND
		194	cdq
		195	idiv ebx
		196	; mov .dx12,eax
		197	push eax
		198
		199	if 0 ; Ext=SSE
		200
		201	pxor mm1,mm1
		202	punpcklwd mm0,mm1
		203	cvtpi2ps xmm0,mm0
		204	movlhps xmm0,xmm0
		205	movd mm0,.col1g ; 2 words b, z
		206	punpcklwd mm0,mm1
		207	cvtpi2ps xmm0,mm0
		208	; xmm0=four float double words
		209	divss xmm0,.pack3
		210	;convert and insert mm0 to lower xmm1 ..
		211	end if
		212
		213	mov ax,word .tex_x2
		214
		215	cwde
		216	shl eax,ROUND
		217	cdq
		218	idiv ebx
		219	; mov .tex_dx12r,eax
		220	push eax
		221
		222	mov ax,word .tex_y2
		223
		224	cwde
		225	shl eax,ROUND
		226	cdq
		227	idiv ebx
		228	; mov .tex_dx12,eax
		229	push eax
		230
		231	mov ax,word .z2
		232
		233	cwde
		234	shl eax,CATMULL_SHIFT
		235	cdq
		236	idiv ebx
		237	; mov .dz12,eax
		238	push eax ; .dza12
		239
		240	mov ax,word .col2r
		241
		242	cwde
		243	shl eax,ROUND
		244	cdq
		245	idiv ebx
		246	; mov .dc12r,eax
		247	push eax
		248
		249	mov ax,word .col2g
		250
		251	cwde
		252	shl eax,ROUND
		253	cdq
		254	idiv ebx
		255	; mov .dc12g,eax
		256	push eax
		257
		258	mov ax,word .col2b ;;---
		259
		260	cwde
		261	shl eax,ROUND
		262	cdq
		263	idiv ebx
		264	; mov .dc12b,eax
		265	push eax
		266
		267	;+++++++++++++++++ second zone +++++++++++++
		268
		269
		270	mov bx,.y3 ; calc delta23
		271
		272	jnz .dx23_make
		273	mov ecx,7
		274	@@:
		275	push dword 0
		276	loop @b
		277	jmp .dx23_done
		278
		279	.dx23_make:
		280
		281	sub ax,.x2
		282	cwde
		283	movsx ebx,bx
		284	shl eax,ROUND
		285	cdq
		286	idiv ebx
		287	; mov .dx23,eax
		288	push eax
		289
		290	mov ax,word .tex_x3
		291
		292	cwde
		293	shl eax,ROUND
		294	cdq
		295	idiv ebx
		296	; mov .tex_dx23,eax
		297	push eax
		298
		299	mov ax,word .tex_y3
		300
		301	cwde
		302	shl eax,ROUND
		303	cdq
		304	idiv ebx
		305	; mov .tex_dy23,eax
		306	push eax
		307
		308	mov ax,word .z3
		309
		310	cwde ;
		311	shl eax,CATMULL_SHIFT ; 2222222
		312	cdq ; 2 2
		313	idiv ebx ; 2
		314	; mov .dz23,eax ; 2
		315	push eax ; .dza12 ; 2
		316	; 2
		317	mov ax,word .col3r ; 2
		318	sub ax,word .col2r ; 2222222
		319	cwde ; second delta
		320	shl eax,ROUND ;
		321	cdq ;
		322	idiv ebx ;
		323	; mov .dc23r,eax ;
		324	push eax
		325
		326	mov ax,word .col3g
		327
		328	cwde
		329	shl eax,ROUND
		330	cdq
		331	idiv ebx
		332	; mov .dc23g,eax
		333	push eax
		334
		335	mov ax,word .col3b ;;---
		336
		337	cwde
		338	shl eax,ROUND
		339	cdq
		340	idiv ebx
		341	; mov .dc23b,eax
		342	push eax
		343
		344	.dx23_done:
		345
		346	mov bx,.y3 ; calc delta13
		347	sub bx,.y1
		348	jnz .dx13_make
		349	mov ecx,7
		350	@@:
		351	push dword 0
		352	loop @b
		353	jmp .dx13_done
		354	.dx13_make:
		355	mov ax,.x3
		356	sub ax,.x1
		357	cwde
		358	movsx ebx,bx
		359	shl eax,ROUND
		360	cdq
		361	idiv ebx
		362	; mov .dx13,eax
		363	push eax
		364
		365	mov ax,word .tex_x3 ; triangle b
		366
		367	cwde
		368	shl eax,ROUND
		369	cdq
		370	idiv ebx
		371	; mov .tex_dx13r,eax
		372	push eax
		373
		374	mov ax,word .tex_y3
		375
		376	cwde
		377	shl eax,ROUND
		378	cdq
		379	idiv ebx
		380	; mov .tex_dy13,eax
		381	push eax
		382
		383	mov ax,word .z3
		384
		385	cwde ; 3 3
		386	shl eax,CATMULL_SHIFT ; 3
		387	cdq ; 3
		388	idiv ebx ; 3
		389	; mov .dz13,eax ; 3
		390	push eax ; .dza12 ; 3
		391	; 3
		392	mov ax,word .col3r ; 3333333333
		393	sub ax,word .col1r ; 3
		394	cwde ; 3
		395	shl eax,ROUND ; 3
		396	cdq ; 3
		397	idiv ebx ; 3
		398	; mov .dc13r,eax ; 3 3
		399	push eax ; 33333333
		400
		401	mov ax,word .col3g
		402
		403	cwde
		404	shl eax,ROUND
		405	cdq
		406	idiv ebx
		407	; mov .dc13g,eax
		408	push eax
		409
		410	mov ax,word .col3b ;;---
		411
		412	cwde
		413	shl eax,ROUND
		414	cdq
		415	idiv ebx
		416	; mov .dc13b,eax
		417	push eax
		418
		419	.dx13_done:
		420
		421	; <<<<<<< ::delta zone end+++++++++++++++++++++ >>>>>>>>
		422
		423
		424	movsx eax,.x1 ; eax - cur x1
		425
		426	mov ebx,eax
		427	movsx edx,word .z1
		428	shl edx,CATMULL_SHIFT
		429	mov .zz1,edx
		430	mov .zz2,edx
		431
		432	movzx edi,word .col1r
		433
		434	mov .cur1r,edi
		435	mov .cur2r,edi
		436	movzx esi,word .col1g
		437	shl esi,ROUND
		438	mov .cur1g,esi
		439	mov .cur2g,esi
		440	movzx edx,word .col1b
		441	shl edx,ROUND
		442	mov .cur1b,edx
		443	mov .cur2b,edx
		444
		445	movzx edi,word .tex_x1
		446
		447	mov .scan_x1,edi
		448	mov .scan_x2,edi
		449	movzx edx,word .tex_y1
		450	shl edx,ROUND
		451	mov .scan_y1,edx
		452	mov .scan_y2,edx
		453
		454	mov cx,.y1
		455
		456	jge .loop1_end
		457	.loop_1:
		458	; push eax ebx ebp
		459	pushad
		460
		461	push .tex_ptr
		462
		463	push .z_ptr
		464	push cx
		465
		466	push .zz2
		467
		468	push .scan_x2
		469
		470	push .cur2r
		471	push .cur2g
		472	push .cur2b
		473
		474	push .zz1
		475
		476	push .scan_x1
		477
		478	push .cur1r
		479	push .cur1g
		480	push .cur1b
		481
		482	sar eax,ROUND
		483
		484	call horizontal_tex_grd_line
		485
		486	; pop ebp ebx eax
		487
		488	mov edx,.dc13b
		489	add .cur1b,edx
		490	mov esi,.dc13g
		491	add .cur1g,esi
		492	mov edi,.dc13r
		493	add .cur1r,edi
		494	mov edx,.tex_dx13
		495	add .scan_x1,edx
		496	mov esi,.tex_dy13
		497	add .scan_y1,esi
		498	mov edx,.dz13
		499	add .zz1,edx
		500
		501	mov edi,.dc12b
		502
		503	mov esi,.dc12g
		504	add .cur2g,esi
		505	mov edx,.dc12r
		506	add .cur2r,edx
		507	mov edi,.tex_dx12
		508	add .scan_x2,edi
		509	mov esi,.tex_dy12
		510	add .scan_y2,esi
		511	mov edx,.dz12
		512	add .zz2,edx
		513	add eax,.dx13
		514	add ebx,.dx12
		515	inc cx
		516	cmp cx,.y2
		517	jl .loop_1
		518	.loop1_end:
		519	movzx ecx,.y2
		520	cmp cx,.y3
		521	jge .loop2_end
		522
		523	movsx ebx,.x2 ; eax - cur x1
		524
		525
		526	movsx edx,word .z2
		527
		528	; mov .zz1,edx
		529	mov .zz2,edx
		530
		531	movzx edi,word .col2r
		532
		533	; mov .cur1r,edi
		534	mov .cur2r,edi
		535	movzx esi,word .col2g
		536	shl esi,ROUND
		537	; mov .cur1g,esi
		538	mov .cur2g,esi
		539	movzx edx,word .col2b
		540	shl edx,ROUND
		541	; mov .cur1b,edx
		542	mov .cur2b,edx
		543
		544	movzx edi,word .tex_x2
		545
		546	; mov .scan_x1,edi
		547	mov .scan_x2,edi
		548	movzx edx,word .tex_y2
		549	shl edx,ROUND
		550	; mov .scan_y1,edx
		551	mov .scan_y2,edx
		552
		553	.loop_2:
		554
		555
		556	push .tex_ptr
		557
		558	push .z_ptr
		559	push cx
		560
		561	push .zz2
		562
		563	push .scan_x2
		564
		565	push .cur2r
		566	push .cur2g
		567	push .cur2b
		568
		569	push .zz1
		570
		571	push .scan_x1
		572
		573	push .cur1r
		574	push .cur1g
		575	push .cur1b
		576
		577	sar eax,ROUND
		578
		579	call horizontal_tex_grd_line
		580
		581	popad
		582
		583	add .cur1b,edx
		584	mov esi,.dc13g
		585	add .cur1g,esi
		586	mov edi,.dc13r
		587	add .cur1r,edi
		588	mov edx,.tex_dx13
		589	add .scan_x1,edx
		590	mov esi,.tex_dy13
		591	add .scan_y1,esi
		592	mov edx,.dz13
		593	add .zz1,edx
		594
		595	mov edi,.dc23b
		596
		597	mov esi,.dc23g
		598	add .cur2g,esi
		599	mov edx,.dc23r
		600	add .cur2r,edx
		601	mov edi,.tex_dx23
		602	add .scan_x2,edi
		603	mov esi,.tex_dy23
		604	add .scan_y2,esi
		605	mov edx,.dz23
		606	add .zz2,edx
		607	add eax,.dx13
		608	add ebx,.dx23
		609	inc cx
		610	cmp cx,.y3
		611	jl .loop_2
		612
		613	.loop2_end:
		614
		615	ret 36
		616	horizontal_tex_grd_line:
		617	;in:
		618	; eax : x1, ebx : x2
		619
		620	.tex_ptr equ [ebp+62]
		621
		622	.z_buffer equ [ebp+54]
		623	.y equ [ebp+52]
		624
		625	.z2 equ [ebp+48]
		626
		627	.tex_y2 equ [ebp+40]
		628	.r2 equ [ebp+36]
		629	.g2 equ [ebp+32]
		630	.b2 equ [ebp+28]
		631
		632	.z1 equ [ebp+24]
		633
		634	.tex_y1 equ [ebp+16]
		635	.r1 equ [ebp+12]
		636	.g1 equ [ebp+8]
		637	.b1 equ [ebp+4]
		638
		639	.x1 equ word[ebp-2]
		640
		641	.dz equ dword[ebp-8]
		642	.db equ dword[ebp-12]
		643	.dg equ dword[ebp-16]
		644	.dr equ dword[ebp-20]
		645	.dtex_x equ dword[ebp-24]
		646	.dtex_y equ dword[ebp-28]
		647
		648	.c_ty equ [ebp-32]
		649
		650	.cb equ [ebp-40]
		651	.cg equ [ebp-44]
		652	.cr equ [ebp-48]
		653	.t_col equ [ebp-52]
		654
		655	.dtex_yM equ qword[ebp-28]
		656
		657	.dbM equ qword[ebp-12]
		658
		659	mov ebp,esp
		660
		661
		662	mov cx,word .y
		663
		664	jl .quit_l
		665
		666	cmp cx,SIZE_Y
		667
		668
		669	cmp ax,bx
		670
		671	jl @f
		672
		673	xchg eax,ebx
		674
		675	if Ext=NON
		676
		677	xchg ecx, .r2
		678	mov dword .r1, ecx
		679
		680	mov ecx,dword .g1
		681
		682	mov dword .g1, ecx
		683
		684	mov ecx,dword .b1
		685
		686	mov dword .b1, ecx
		687
		688	mov ecx,dword .tex_x1
		689
		690	mov dword .tex_x1, ecx
		691
		692	mov ecx,dword .tex_y1
		693
		694	mov dword .tex_y1, ecx
		695
		696	mov ecx,dword .z1
		697
		698	mov dword .z1, ecx
		699
		700	else
		701
		702	movq mm1,.b2
		703	movq .b1, mm1
		704	movq .b2, mm0
		705	movq mm2,.r1 ; r, y
		706	movq mm3,.r2
		707	movq .r1,mm3
		708	movq .r2,mm2
		709	movq mm4,.tex_x1 ; x, z
		710	movq mm5,.tex_x2
		711	movq .tex_x1,mm5
		712	movq .tex_x2,mm4
		713
		714	end if
		715
		716	@@:
		717
		718	jle .quit_l
		719	cmp ax,SIZE_X
		720	jge .quit_l
		721
		722	push ax
		723
		724
		725	mov eax,.z2 ; delta zone************
		726
		727	cdq
		728	mov bx,.x2
		729	sub bx,.x1
		730	movsx ebx,bx
		731	idiv ebx
		732	push eax ; .dz
		733
		734	mov eax,.b2
		735
		736	cdq
		737	idiv ebx
		738	push eax ; .db
		739
		740	mov eax,.g2
		741
		742	cdq
		743	idiv ebx
		744	push eax ; .dg
		745
		746	mov eax,.r2
		747
		748	cdq
		749	idiv ebx
		750	push eax ; .dr
		751
		752	mov eax,.tex_x2
		753
		754	cdq
		755	idiv ebx
		756	push eax ; .dtex_x
		757
		758	mov eax,.tex_y2
		759
		760	cdq
		761	idiv ebx
		762	push eax ; .dtey_x
		763
		764	cmp .x1,0
		765
		766
		767	mov eax,.dz ; clipping
		768
		769	neg ebx
		770	imul ebx
		771	add .z1,eax
		772	mov .x1,0
		773
		774	mov eax,.dr
		775
		776	add .r1,eax
		777	;if Ext=NON
		778	mov eax,.dg
		779	imul ebx
		780	add .g1,eax
		781
		782	mov eax,.db
		783
		784	add .b1,eax
		785
		786	mov eax,.dtex_x
		787
		788	add .tex_x1,eax
		789
		790	mov eax,.dtex_y
		791
		792	add .tex_y1,eax
		793	@@:
		794	mov edx,SIZE_X
		795	cmp .x2,dx
		796	jl @f
		797	mov .x2,dx
		798	@@:
		799	; calc line addres begin in screen and Z buffer
		800	movsx eax,word .y
		801	mul edx
		802	movsx edx,.x1
		803	add eax,edx
		804
		805	mov esi,eax
		806
		807	add esi,.z_buffer
		808
		809	lea eax,[eax*3]
		810
		811	add edi,eax
		812
		813	mov cx,.x2
		814
		815	movzx ecx,cx
		816
		817	; init current variables
		818
		819	;if Ext=NON
		820	push dword .tex_x1
		821
		822	push dword .b1
		823
		824	push dword .r1
		825
		826	if Ext>=MMX
		827
		828	movq mm6,.cb ; hi -> b, tex_x
		829	pxor mm0,mm0
		830	end if
		831	mov ebx,.z1
		832	.ddraw:
		833	cmp ebx,dword[esi]
		834	jge @f
		835	mov eax,.c_ty
		836	; if ROUND
		837	; shl eax,TEX_SHIFT-ROUND
		838	; end if
		839	; if ROUND>TEX_SHIFT
		840	; shr eax,ROUND-TEX_SHIFT
		841	; end if
		842	shr eax,ROUND
		843	shl Eax,TEX_SHIFT
		844	mov edx,.c_tx ; calc texture pixel mem addres
		845	shr edx,ROUND
		846	add eax,edx
		847	and eax,TEXTURE_SIZE ; cutting
		848	lea eax,[3*eax]
		849	add eax,.tex_ptr
		850	mov dword[esi],ebx
		851	if Ext = NON
		852	mov eax,dword[eax]
		853	; mov .tex_col,eax
		854	push ax
		855	shl eax,8
		856	pop ax
		857	mov edx,.cr
		858	sar edx,ROUND
		859	mul dl ; al*dl
		860	shr ax,8
		861	stosb
		862	ror eax,16
		863	push ax
		864	mov edx,.cg
		865	sar edx,ROUND
		866	mul dl
		867	shr ax,8
		868	stosb
		869	pop ax
		870	shr ax,8
		871	mov edx,.cb
		872	sar edx,ROUND
		873	mul dl
		874	shr ax,8
		875	stosb
		876	jmp .no_skip
		877	else
		878	movd mm1,[eax]
		879	punpcklbw mm1,mm0
		880	movq mm3,mm4 ;.cr ; lo -> r,g
		881	movq mm5,mm6 ;.cb ; lo -> b,tex_x
		882	psrld mm3,ROUND ;
		883	psrld mm5,ROUND ;
		884	packssdw mm3,mm5
		885	pmullw mm1,mm3
		886	psrlw mm1,8
		887	packuswb mm1,mm0
		888	movd [edi],mm1
		889	end if
		890	mov dword[esi],ebx
		891	if Ext = NON
		892	jmp .no_skip
		893	end if
		894	@@:
		895	add edi,3
		896	.no_skip:
		897	add esi,4
		898	add ebx,.dz
		899
		900	mov eax,.dtex_x
		901
		902	mov edx,.dtex_y
		903	add .c_ty, edx
		904	if Ext=NON
		905	mov eax,.dr
		906	add .cr,eax
		907	mov edx,.dg
		908	add .cg,edx
		909	mov eax,.db
		910	add .cb,eax
		911
		912	else
		913
		914	paddd mm6,.dbM
		915	;; paddd mm7,.dtex_y ; mm4 - b, g
		916	;; movq .c_tx,mm7
		917	; mm6 - r, x
		918	end if ; mm7 - y, x
		919
		920	dec ecx
		921
		922
		923	.quit_l:
		924
		925	mov esp,ebp
		926
		927	;>
		928

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(root)/programs/demos/3DS/GRD_TEX.INC – Rev 1245