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

Rev	Author	Line No.	Line
1245	hidnplayr	1
		2	;TEXTURE_SIZE EQU (TEX_X * TEX_Y)-1
		3	;ROUND equ 8
		4	;Ext = NON
		5	;MMX = 1
		6	;NON = 0
		7	;------- Big thanks to Majuma (www.majuma.xt.pl) for absolutely great---
		8	;------- DOS 13h mode demos --------------------------------------------
		9	;------- Procedure draws bump triangle with texture, I use -------------
		10	;--------Catmull Z-buffer algorithm- (Z coordinate interpolation)-------
		11	;--------I calc texture pixel by this way: col1*col2/256 ---------------
		12	bump_tex_triangle_z:
		13	;------------------in - eax - x1 shl 16 + y1 -----------
		14	;---------------------- ebx - x2 shl 16 + y2 -----------
		15	;---------------------- ecx - x3 shl 16 + y3 -----------
		16	;---------------------- edx - pointer to bump map-------
		17	;---------------------- esi - pointer to env map--------
		18	;---------------------- edi - pointer to screen buffer--
		19	;---------------------- stack : bump coordinates--------
		20	;---------------------- environment coordinates-
		21	;---------------------- Z position coordinates--
		22	;---------------------- pointer to Z buffer-----
		23	;---------------------- pointer to texture------
		24	;---------------------- texture coordinates-----
		25	;-- Z-buffer - filled with coordinates as dword --------
		26	;-- (Z coor. as word) shl CATMULL_SHIFT ----------------
		27	.b_x1 equ ebp+4 ; procedure don't save registers !!!
		28	.b_y1 equ ebp+6 ; each coordinate as word
		29	.b_x2 equ ebp+8
		30	.b_y2 equ ebp+10 ; b - bump map coords
		31	.b_x3 equ ebp+12 ; e - env map coords
		32	.b_y3 equ ebp+14
		33	.e_x1 equ ebp+16
		34	.e_y1 equ ebp+18
		35	.e_x2 equ ebp+20
		36	.e_y2 equ ebp+22
		37	.e_x3 equ ebp+24
		38	.e_y3 equ ebp+26
		39	.z1 equ word[ebp+28]
		40	.z2 equ word[ebp+30]
		41	.z3 equ word[ebp+32]
		42	.z_buff equ dword[ebp+34] ; pointer to Z-buffer
		43	.tex_ptr equ dword[ebp+38] ; ptr to texture
		44	.t_x1 equ ebp+42 ; texture coords
		45	.t_y1 equ ebp+44
		46	.t_x2 equ ebp+46
		47	.t_y2 equ ebp+48
		48	.t_x3 equ ebp+50
		49	.t_y3 equ ebp+52
		50
		51
		52
		53
		54	.t_emap equ dword[ebp-8] ; pointer to env map
		55	.x1 equ word[ebp-10]
		56	.y1 equ word[ebp-12]
		57	.x2 equ word[ebp-14]
		58	.y2 equ word[ebp-16]
		59	.x3 equ word[ebp-18]
		60	.y3 equ word[ebp-20]
		61
		62
		63	.dz12 equ [ebp-28]
		64	.dbx12 equ dword[ebp-32]
		65	.dby12 equ [ebp-36]
		66	.dex12 equ dword[ebp-40]
		67	.dey12 equ [ebp-44]
		68	.dtx12 equ dword[ebp-48]
		69	.dty12 equ [ebp-52]
		70
		71
		72	.dz13 equ [ebp-52-4*2]
		73	.dbx13 equ dword[ebp-52-4*3]
		74	.dby13 equ [ebp-52-4*4]
		75	.dex13 equ dword[ebp-52-4*5]
		76	.dey13 equ [ebp-52-4*6]
		77	.dtx13 equ dword[ebp-52-4*7]
		78	.dty13 equ [ebp-52-4*8]
		79
		80
		81
		82	.dz23 equ [ebp-(52+4*10)]
		83	.dbx23 equ dword[ebp-(52+4*11)]
		84	.dby23 equ [ebp-(52+4*12)]
		85	.dex23 equ dword[ebp-(52+4*13)]
		86	.dey23 equ [ebp-(52+4*14)]
		87	.dtx23 equ dword[ebp-(52+4*15)]
		88	.dty23 equ [ebp-(52+4*16)]
		89
		90
1819	yogev_ezra	91
		92
1245	hidnplayr	93	.cz1 equ [ebp-(52+4*18)]
		94	.cx2 equ dword[ebp-(52+4*19)]
		95	.cz2 equ [ebp-(52+4*20)]
		96	.cbx1 equ dword[ebp-(52+4*21)]
		97	.cby1 equ [ebp-(52+4*22)]
		98	.cbx2 equ dword[ebp-(52+4*23)]
		99	.cby2 equ [ebp-(52+4*24)]
		100	.cex1 equ dword[ebp-(52+4*25)]
		101	.cey1 equ [ebp-(52+4*26)]
		102	.cex2 equ dword[ebp-(52+4*27)]
		103	.cey2 equ [ebp-(52+4*28)]
		104
		105
		106	.cty1 equ [ebp-(52+4*30)]
		107	.ctx2 equ dword[ebp-(52+4*31)]
		108	.cty2 equ [ebp-(52+4*32)]
		109
		110
1819	yogev_ezra	111
		112
		113	.cz1 equ [ebp-(52+4*18)]
		114	.cbx1 equ dword[ebp-(52+4*19)]
		115	.cby1 equ [ebp-(52+4*20)]
		116	.cex1 equ dword[ebp-(52+4*21)]
		117	.cey1 equ [ebp-(52+4*22)]
		118	.ctx1 equ dword[ebp-(52+4*23)]
		119	.cty1 equ [ebp-(52+4*24)]
		120
		121
		122	.cz2 equ [ebp-(52+4*26)]
		123	.cbx2 equ dword[ebp-(52+4*27)]
		124	.cby2 equ [ebp-(52+4*28)]
		125	.cex2 equ dword[ebp-(52+4*29)]
		126	.cey2 equ [ebp-(52+4*30)]
		127	.ctx2 equ dword[ebp-(52+4*31)]
		128	.cty2 equ [ebp-(52+4*32)]
		129
		130
		131	cld
1245	hidnplayr	132	mov ebp,esp
		133	push edx ; store bump map
		134	push esi ; store e. map
		135	; sub esp,120
		136	.sort3: ; sort triangle coordinates...
		137	cmp ax,bx
		138	jle .sort1
		139	xchg eax,ebx
		140	mov edx,dword[.b_x1]
		141	xchg edx,dword[.b_x2]
		142	mov dword[.b_x1],edx
		143	mov edx,dword[.e_x1]
		144	xchg edx,dword[.e_x2]
		145	mov dword[.e_x1],edx
		146	mov edx,dword[.t_x1]
		147	xchg edx,dword[.t_x2]
		148	mov dword[.t_x1],edx
		149	mov dx,.z1
		150	xchg dx,.z2
		151	mov .z1,dx
		152	.sort1:
		153	cmp bx,cx
		154	jle .sort2
		155	xchg ebx,ecx
		156	mov edx,dword[.b_x2]
		157	xchg edx,dword[.b_x3]
		158	mov dword[.b_x2],edx
		159	mov edx,dword[.e_x2]
		160	xchg edx,dword[.e_x3]
		161	mov dword[.e_x2],edx
		162	mov edx,dword[.t_x2]
		163	xchg edx,dword[.t_x3]
		164	mov dword[.t_x2],edx
		165	mov dx,.z2
		166	xchg dx,.z3
		167	mov .z2,dx
		168	jmp .sort3
		169	.sort2:
		170	push eax ; store triangle coords in variables
		171	push ebx
		172	push ecx
		173	mov edx,80008000h ; eax,ebx,ecx are ANDd together into edx which means that
		174	and edx,ebx ; if all of them are negative a sign flag is raised
		175	and edx,ecx
		176	and edx,eax
		177	test edx,80008000h ; Check both X&Y at once
		178	jne .loop23_done
		179	; mov edx,eax ; eax,ebx,ecx are ORd together into edx which means that
		180	; or edx,ebx ; if any one of them is negative a sign flag is raised
		181	; or edx,ecx
		182	; test edx,80000000h ; Check only X
		183	; jne .loop23_done
		184
		185
		186	; jg .loop23_done
		187	; cmp .x2,SIZE_X ; This can be optimized with effort
		188	; jg .loop23_done
		189	; cmp .x3,SIZE_X
		190	; jg .loop23_done ; {
		191
		192
		193
		194	sub bx,.y1
		195	jnz .bt_dx12_make
		196	mov ecx,8
		197	xor edx,edx
		198	@@:
		199	push edx ;dword 0
		200	loop @b
		201	jmp .bt_dx12_done
		202	.bt_dx12_make:
		203	movsx ebx,bx
1776	yogev_ezra	204
1245	hidnplayr	205
		206
		207	sub esp,32
1819	yogev_ezra	208	; mov eax,256
1245	hidnplayr	209	cvtsi2ss xmm4,[i255d]
		210	cvtsi2ss xmm3,ebx ;rcps
		211	divss xmm3,xmm4
		212	shufps xmm3,xmm3,0
		213
		214
		215	movd mm1,[.b_x2]
		216	movd mm2,[.e_x1]
		217	movd mm3,[.e_x2]
		218
		219
		220	punpcklwd mm0,mm4
		221	punpcklwd mm1,mm4
		222	punpcklwd mm2,mm4
		223	punpcklwd mm3,mm4
		224
		225
		226	psubd mm3,mm2
		227
		228
		229	movlhps xmm1,xmm1
		230	cvtpi2ps xmm1,mm3
		231
		232
		233
		234
		235	;xmm1--> \| dbx \| dby \| dex \| dey \|
		236	;1 movups .dey12,xmm1
1819	yogev_ezra	237	cvtps2pi mm0,xmm1 ;mm0,xmm1 ; mm0 -> 2 delta dwords
1776	yogev_ezra	238	movhlps xmm1,xmm1
1245	hidnplayr	239	cvtps2pi mm1,xmm1 ;mm1,xmm1
1776	yogev_ezra	240	movq .dey12,mm0
1245	hidnplayr	241	movq .dby12,mm1
		242	;-------------
		243	; pxor mm0,mm0
1776	yogev_ezra	244	; pxor mm1,mm1
		245	;/ pinsrw mm0,.z1,1
		246	;/ pinsrw mm0,.x1,0
		247	;/ pinsrw mm1,.z2,1
		248	;/ pinsrw mm1,.x2,0
		249	mov ax,.z2
		250	sub ax,.z1
		251	cwde
		252
1819	yogev_ezra	253
		254	sub dx,.x1
		255	movsx edx,dx
		256
		257
1776	yogev_ezra	258
		259
		260	;/ punpcklwd mm1,mm4
		261
		262
		263	; cvtpi2ps xmm2,mm0
		264	; subps xmm1,xmm2
		265
		266
		267
		268
		269	movd mm3,[.t_x2]
		270
		271
		272	punpcklwd mm3,mm4
		273	psubd mm3,mm2
		274
		275
		276	cvtsi2ss xmm1,eax
		277	movlhps xmm1,xmm1
		278	cvtsi2ss xmm1,edx
1819	yogev_ezra	279	; movss xmm1,xmm4
		280	shufps xmm1,xmm1,00101111b
		281	cvtpi2ps xmm1,mm3
1776	yogev_ezra	282
		283
1819	yogev_ezra	284
1776	yogev_ezra	285
		286	; xmm1--> \| dx \| dz \| dtx \| dty \|
1819	yogev_ezra	287	;1 movlps .dty12,xmm1
		288	;1 movhps .dz12,xmm1
		289	cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords \| dtx \| dty \|
1776	yogev_ezra	290	movhlps xmm1,xmm1
		291	cvtps2pi mm1,xmm1
1819	yogev_ezra	292	movq .dty12,mm0
1776	yogev_ezra	293	movq .dz12,mm1
1819	yogev_ezra	294	;----
1776	yogev_ezra	295	; mov ax,.z2
1245	hidnplayr	296	; sub ax,.z1
		297	; cwde
		298	; mov bx,.x2
		299	; sub bx,.x1
		300	; movsx ebx,bx
		301	; movd mm1,eax
		302	; psllq mm1,32
		303	; movd mm1,ebx
		304
1776	yogev_ezra	305
1245	hidnplayr	306	;; push eax
		307	;; movq mm1,[esp]
		308	;; add esp,8
		309	;;; mov ax,.z1
		310	;;; mov bx,.z2
		311	;;; shl eax,16
		312	;;; shl ebx,16
		313	;;; mov ax,.x1
		314	;;; mov bx,.x2
		315	; movd mm2,[.t_x1]
		316	; movd mm3,[.t_x2]
		317	;; movd mm0,eax
		318	;; movd mm1,ebx
		319
		320
		321	;; punpcklwd mm0,mm4
		322	;; punpcklwd mm1,mm4
		323	; punpcklwd mm2,mm4
		324	; punpcklwd mm3,mm4
		325
		326
		327	; psubd mm3,mm2
		328
		329
		330
		331	; movlhps xmm1,xmm1
		332	; cvtpi2ps xmm1,mm3
		333
		334
		335
		336
		337	; xmm1--> \| dx \| dz \| dtx \| dty \|
		338	; cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords \| dtx \| dty \|
		339	; movhlps xmm1,xmm1
		340	; cvtps2pi mm1,xmm1 ; mm1 --> 2 delta dwords \| dx \| dz \|
		341	; movq .dty12,mm0
		342	; movq .dz12,mm1
		343	else
		344	mov ax,.x2
1819	yogev_ezra	345	sub ax,.x1
		346	cwde
		347	shl eax,ROUND
		348	cdq
		349	idiv ebx
		350	; mov .dx12,eax
		351	push eax
		352
		353
1776	yogev_ezra	354	sub ax,.z1
		355	cwde
		356	shl eax,CATMULL_SHIFT
		357	cdq
		358	idiv ebx
		359	push eax
		360
1245	hidnplayr	361
		362	sub ax,word[.b_x1]
		363	cwde
		364	shl eax,ROUND
		365	cdq
		366	idiv ebx
		367	; mov .dbx12,eax
		368	push eax
		369
		370
		371	sub ax,word[.b_y1]
		372	cwde
		373	shl eax,ROUND
		374	cdq
		375	idiv ebx
		376	; mov .dby12,eax
		377	push eax
		378
		379
		380	sub ax,word[.e_x1]
		381	cwde
		382	shl eax,ROUND
		383	cdq
		384	idiv ebx
		385	; mov .dex12,eax
		386	push eax
		387
		388
		389	sub ax,word[.e_y1]
		390	cwde
		391	shl eax,ROUND
		392	cdq
		393	idiv ebx
		394	; mov .dey12,eax
		395	push eax
		396
		397
		398	sub ax,word[.t_x1]
		399	cwde
		400	shl eax,ROUND
		401	cdq
		402	idiv ebx
		403	; mov .dtx12,eax
		404	push eax
		405
		406
		407	sub ax,word[.t_y1]
		408	cwde
		409	shl eax,ROUND
		410	cdq
		411	idiv ebx
		412	; mov .dty12,eax
		413	push eax
		414	end if
1776	yogev_ezra	415	.bt_dx12_done:
1245	hidnplayr	416
		417
		418	sub bx,.y1
		419	jnz .bt_dx13_make
		420	mov ecx,8
		421	xor edx,edx
		422	@@:
		423	push edx ;dword 0
		424	loop @b
		425	jmp .bt_dx13_done
		426	.bt_dx13_make:
		427	movsx ebx,bx
		428
		429
		430
		431
1819	yogev_ezra	432	; mov eax,256
		433	cvtsi2ss xmm4,[i255d]
1245	hidnplayr	434	cvtsi2ss xmm3,ebx ;rcps
		435	divss xmm3,xmm4
		436	shufps xmm3,xmm3,0
		437
		438
		439	movd mm1,[.b_x3]
		440	movd mm2,[.e_x1]
		441	movd mm3,[.e_x3]
		442
		443
		444	punpcklwd mm0,mm4
		445	punpcklwd mm1,mm4
		446	punpcklwd mm2,mm4
		447	punpcklwd mm3,mm4
		448
		449
		450	psubd mm3,mm2
		451
		452
		453	movlhps xmm1,xmm1
		454	cvtpi2ps xmm1,mm3
		455
		456
		457
		458
		459	;xmm1--> \| dbx \| dby \| dex \| dey \|
		460	;1 movups .dey13,xmm1
1819	yogev_ezra	461
		462
		463	movhlps xmm1,xmm1
1245	hidnplayr	464	cvtps2pi mm1,xmm1 ;mm1,xmm1
1819	yogev_ezra	465	movq .dey13,mm0
1245	hidnplayr	466	movq .dby13,mm1
		467
1819	yogev_ezra	468
1776	yogev_ezra	469	sub ax,.z1
		470	cwde
		471
		472
1819	yogev_ezra	473	sub dx,.x1
		474	movsx edx,dx
		475
		476
1776	yogev_ezra	477	movd mm3,[.t_x3]
		478
		479
		480	punpcklwd mm3,mm4
		481	psubd mm3,mm2
		482
		483
		484	movlhps xmm1,xmm1
		485	cvtsi2ss xmm1,edx
1819	yogev_ezra	486	shufps xmm1,xmm1,00101111b
		487	cvtpi2ps xmm1,mm3
1776	yogev_ezra	488
		489
1819	yogev_ezra	490
1776	yogev_ezra	491
		492	; xmm1--> \| dx \| dz \| dtx \| dty \|
1819	yogev_ezra	493	;1 movlps .dty13,xmm1
		494	;1 movhps .dz13,xmm1
		495
		496
1776	yogev_ezra	497	movhlps xmm1,xmm1
		498	cvtps2pi mm1,xmm1
1819	yogev_ezra	499	movq .dty13,mm0
1776	yogev_ezra	500	movq .dz13,mm1
1819	yogev_ezra	501
		502
1245	hidnplayr	503
1819	yogev_ezra	504
		505	sub ax,.x1
		506	cwde
		507	shl eax,ROUND
		508	cdq
		509	idiv ebx
		510	; mov .dx13,eax
		511	push eax
		512
		513
1776	yogev_ezra	514	sub ax,.z1
		515	cwde
		516	shl eax,CATMULL_SHIFT
		517	cdq
		518	idiv ebx
		519	; mov .dz13,eax
		520	push eax
		521
		522
		523
1245	hidnplayr	524	sub ax,word[.b_x1]
		525	cwde
		526	shl eax,ROUND
		527	cdq
		528	idiv ebx
		529	; mov .dbx13,eax
		530	push eax
		531
		532
		533	sub ax,word[.b_y1]
		534	cwde
		535	shl eax,ROUND
		536	cdq
		537	idiv ebx
		538	; mov .dby13,eax
		539	push eax
		540
		541
		542	sub ax,word[.e_x1]
		543	cwde
		544	shl eax,ROUND
		545	cdq
		546	idiv ebx
		547	; mov .dex13,eax
		548	push eax
		549
		550
		551	sub ax,word[.e_y1]
		552	cwde
		553	shl eax,ROUND
		554	cdq
		555	idiv ebx
		556	; mov .dey13,eax
		557	push eax
		558
		559
		560	sub ax,word[.t_x1]
		561	cwde
		562	shl eax,ROUND
		563	cdq
		564	idiv ebx
		565	; mov .dtx13,eax
		566	push eax
		567
		568
		569	sub ax,word[.t_y1]
		570	cwde
		571	shl eax,ROUND
		572	cdq
		573	idiv ebx
		574	; mov .dty13,eax
		575	push eax
		576	end if
1776	yogev_ezra	577	.bt_dx13_done:
1245	hidnplayr	578
		579
		580	sub bx,.y2
		581	jnz .bt_dx23_make
		582	mov ecx,8
		583	xor edx,edx
		584	@@:
		585	push edx ;dword 0
		586	loop @b
		587	jmp .bt_dx23_done
		588	.bt_dx23_make:
		589	movsx ebx,bx
		590
		591
		592
		593
1819	yogev_ezra	594	; mov eax,256
		595	cvtsi2ss xmm4,[i255d]
1245	hidnplayr	596	cvtsi2ss xmm3,ebx ;rcps
		597	divss xmm3,xmm4
		598	shufps xmm3,xmm3,0
		599
		600
		601	movd mm1,[.b_x3]
		602	movd mm2,[.e_x2]
		603	movd mm3,[.e_x3]
		604
		605
		606	punpcklwd mm0,mm4
		607	punpcklwd mm1,mm4
		608	punpcklwd mm2,mm4
		609	punpcklwd mm3,mm4
		610
		611
		612	psubd mm3,mm2
		613
		614
		615	movlhps xmm1,xmm1
		616	cvtpi2ps xmm1,mm3
		617
		618
		619
		620
		621	;xmm1--> \| dbx \| dby \| dex \| dey \|
		622	;1 movups .dey23,xmm1
1819	yogev_ezra	623
		624
		625	movhlps xmm1,xmm1
1245	hidnplayr	626	cvtps2pi mm1,xmm1 ;mm1,xmm1
1819	yogev_ezra	627	movq .dey23,mm0
1245	hidnplayr	628	movq .dby23,mm1
		629
1819	yogev_ezra	630
1776	yogev_ezra	631	sub ax,.z2
		632	cwde
		633
		634
1819	yogev_ezra	635	sub dx,.x2
		636	movsx edx,dx
		637
		638
1776	yogev_ezra	639	movd mm3,[.t_x3]
		640
		641
		642	punpcklwd mm3,mm4
		643	psubd mm3,mm2
		644
		645
		646	movlhps xmm1,xmm1
		647	cvtsi2ss xmm1,edx
1819	yogev_ezra	648	shufps xmm1,xmm1,00101111b
		649	cvtpi2ps xmm1,mm3
1776	yogev_ezra	650
		651
1819	yogev_ezra	652
1776	yogev_ezra	653
		654	; xmm1--> \| dx \| dz \| dtx \| dty \|
1819	yogev_ezra	655	; movlps .dty23,xmm1
		656	; movhps .dz23,xmm1
		657	cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords \| dtx \| dty \|
1776	yogev_ezra	658	movhlps xmm1,xmm1
		659	cvtps2pi mm1,xmm1 ; mm1 --> 2 delta dwords \| dx \| dz \|
1819	yogev_ezra	660	movq .dty23,mm0
1776	yogev_ezra	661	movq .dz23,mm1
1819	yogev_ezra	662
		663
		664
1245	hidnplayr	665	mov ax,.x3
1819	yogev_ezra	666	sub ax,.x2
		667	cwde
		668	shl eax,ROUND
		669	cdq
		670	idiv ebx
		671	; mov .dx23,eax
		672	push eax
		673
1776	yogev_ezra	674
		675	sub ax,.z2
		676	cwde
		677	shl eax,CATMULL_SHIFT
		678	cdq
		679	idiv ebx
		680	; mov .dz23,eax
		681	push eax
		682
		683
1245	hidnplayr	684	sub ax,word[.b_x2]
		685	cwde
		686	shl eax,ROUND
		687	cdq
		688	idiv ebx
		689	; mov .dbx23,eax
		690	push eax
		691
		692
		693	sub ax,word[.b_y2]
		694	cwde
		695	shl eax,ROUND
		696	cdq
		697	idiv ebx
		698	; mov .dby23,eax
		699	push eax
		700
		701
		702	sub ax,word[.e_x2]
		703	cwde
		704	shl eax,ROUND
		705	cdq
		706	idiv ebx
		707	; mov .dex23,eax
		708	push eax
		709
		710
		711	sub ax,word[.e_y2]
		712	cwde
		713	shl eax,ROUND
		714	cdq
		715	idiv ebx
		716	; mov .dey23,eax
		717	push eax
		718
		719
1776	yogev_ezra	720
1245	hidnplayr	721	sub ax,word[.t_x2]
		722	cwde
		723	shl eax,ROUND
		724	cdq
		725	idiv ebx
		726	; mov .dtx23,eax
		727	push eax
		728
		729
		730	sub ax,word[.t_y2]
		731	cwde
		732	shl eax,ROUND
		733	cdq
		734	idiv ebx
		735	; mov .dty23,eax
		736	push eax
		737	end if
1776	yogev_ezra	738	; sub esp,40
1245	hidnplayr	739	.bt_dx23_done:
		740	sub esp,64
		741
1819	yogev_ezra	742
1245	hidnplayr	743	shl eax,ROUND
		744	mov .cx1,eax
		745	mov .cx2,eax
		746	; push eax
		747	; push eax
		748
		749
		750	shl ebx,ROUND
		751	mov .cbx1,ebx
		752	mov .cbx2,ebx
		753	; push ebx
		754	; push ebx
		755
		756
		757	shl ecx,ROUND
		758	mov .cby1,ecx
		759	mov .cby2,ecx
		760	; push ecx
		761	; push ecx
		762
		763
		764	shl edx,ROUND
		765	mov .cex1,edx
		766	mov .cex2,edx
		767	; push edx
		768	; push edx
		769
		770
		771	shl eax,ROUND
		772	mov .cey1,eax
		773	mov .cey2,eax
		774	; push eax
		775	; push eax
		776
		777
		778	shl ebx,CATMULL_SHIFT
		779	mov .cz1,ebx
		780	mov .cz2,ebx
		781	; push ebx
		782	; push ebx
		783
		784
		785	movsx ecx,word[.t_x1]
		786	shl ecx,ROUND
		787	mov .ctx1,ecx
		788	mov .ctx2,ecx
		789	;push ecx
		790	;push ecx
		791
		792
		793	shl edx,ROUND
		794	mov .cty1,edx
		795	mov .cty2,edx
		796	; push edx
		797	; push edx
		798
		799
2192	leency	800	; movups xmm0,.cby1
1819	yogev_ezra	801	; movups xmm1,.cty1
		802	; movups xmm2,.cby2
		803	; movups xmm3,.cty2
		804	; movups xmm4,.dby13
		805	; movups xmm5,.dty13
		806	; movups xmm6,.dby12
		807	; movups xmm7,.dty12
		808	;end if
		809	movsx ecx,.y1
2192	leency	810	cmp cx,.y2
		811	jge .loop12_done
		812	.loop12:
		813	;if Ext >= SSE2
		814	; fxsave [sse_repository]
		815	;end if
		816	call .call_line
		817	if Ext >= SSE2
		818	; fxrstor [sse_repository]
		819	movups xmm0,.cby1
		820	movups xmm1,.cty1
		821	movups xmm2,.cby2
		822	movups xmm3,.cty2
		823	movups xmm4,.dby13
		824	movups xmm5,.dty13
		825	movups xmm6,.dby12
		826	movups xmm7,.dty12
		827	paddd xmm0,xmm4
		828	paddd xmm1,xmm5
		829	paddd xmm2,xmm6
		830	paddd xmm3,xmm7
		831	movups .cby1,xmm0
		832	movups .cty1,xmm1
		833	movups .cby2,xmm2
		834	movups .cty2,xmm3
		835	end if
		836
1245	hidnplayr	837
2192	leency	838	movq mm0,.cby2
1245	hidnplayr	839	movq mm1,.cby1
		840	movq mm2,.cey2
		841	movq mm3,.cey1
		842	movq mm4,.cty1
		843	movq mm5,.cty2
		844	movq mm6,.cz1
		845	movq mm7,.cz2
		846	paddd mm0,.dby12
		847	paddd mm1,.dby13
		848	paddd mm2,.dey12
		849	paddd mm3,.dey13
		850	paddd mm4,.dty13
		851	paddd mm5,.dty12
		852	paddd mm6,.dz13
		853	paddd mm7,.dz12
		854	movq .cby2,mm0
		855	movq .cby1,mm1
		856	movq .cey1,mm3
		857	movq .cey2,mm2
		858	movq .cty1,mm4
		859	movq .cty2,mm5
		860	movq .cz1,mm6
		861	movq .cz2,mm7
		862	end if
1819	yogev_ezra	863	if Ext = NON
		864	mov edx,.dbx13
1245	hidnplayr	865	add .cbx1,edx
		866	mov eax,.dbx12
		867	add .cbx2,eax
		868	mov ebx,.dby13
		869	add .cby1,ebx
		870	mov edx,.dby12
		871	add .cby2,edx
		872
		873
		874	add .cex1,eax
		875	mov ebx,.dex12
		876	add .cex2,ebx
		877	mov edx,.dey13
		878	add .cey1,edx
		879	mov eax,.dey12
		880	add .cey2,eax
		881
		882
		883	add .ctx1,eax
		884	mov ebx,.dtx12
		885	add .ctx2,ebx
		886	mov edx,.dty13
		887	add .cty1,edx
		888	mov eax,.dty12
		889	add .cty2,eax
		890
		891
		892	add .cx1,eax
		893	mov ebx,.dx12
		894	add .cx2,ebx
		895	mov ebx,.dz13
		896	add .cz1,ebx
		897	mov edx,.dz12
		898	add .cz2,edx
		899	end if
		900	inc ecx
		901	cmp cx,.y2
		902	jl .loop12
		903	.loop12_done:
		904
		905
		906	cmp cx,.y3
		907	jge .loop23_done
		908
		909
1819	yogev_ezra	910
1245	hidnplayr	911	shl eax,CATMULL_SHIFT
		912	mov .cz2,eax
		913
		914
		915	shl ebx,ROUND
		916	mov .cx2,ebx
		917
		918
		919	shl edx,ROUND
		920	mov .cbx2,edx
		921
		922
		923	shl eax,ROUND
		924	mov .cby2,eax
		925
		926
		927	shl ebx,ROUND
		928	mov .cex2,ebx
		929
		930
		931	shl edx,ROUND
		932	mov .cey2,edx
		933
		934
		935	shl eax,ROUND
		936	mov .ctx2,eax
		937
		938
		939	shl ebx,ROUND
		940	mov .cty2,ebx
		941	;if Ext >= SSE2
2192	leency	942	; movups xmm0,.cby1
1819	yogev_ezra	943	; movups xmm1,.cty1
		944	; movups xmm2,.cby2
		945	; movups xmm3,.cty2
		946	; movups xmm4,.dby13
		947	; movups xmm5,.dty13
		948	; movups xmm6,.dby23
		949	; movups xmm7,.dty23
		950	;end if
2192	leency	951	.loop23:
		952	;if Ext >= SSE2
		953	; fxsave [sse_repository]
		954	;end if
		955	call .call_line
		956
		957
		958	; fxrstor [sse_repository]
		959	movups xmm0,.cby1
		960	movups xmm1,.cty1
		961	movups xmm2,.cby2
		962	movups xmm3,.cty2
		963	movups xmm4,.dby13
		964	movups xmm5,.dty13
		965	movups xmm6,.dby23
		966	movups xmm7,.dty23
		967	paddd xmm0,xmm4
		968	paddd xmm1,xmm5
		969	paddd xmm2,xmm6
		970	paddd xmm3,xmm7
		971	movups .cby1,xmm0
		972	movups .cty1,xmm1
		973	movups .cby2,xmm2
		974	movups .cty2,xmm3
		975	;
1819	yogev_ezra	976	end if
2192	leency	977	if (Ext = MMX) \| (Ext = SSE)
		978	movq mm0,.cby2
1245	hidnplayr	979	movq mm1,.cby1
		980	movq mm2,.cey2
		981	movq mm3,.cey1
		982	movq mm4,.cty1
		983	movq mm5,.cty2
		984	movq mm6,.cz1
		985	movq mm7,.cz2
		986	paddd mm0,.dby23
		987	paddd mm1,.dby13
		988	paddd mm2,.dey23
		989	paddd mm3,.dey13
		990	paddd mm4,.dty13
		991	paddd mm5,.dty23
		992	paddd mm6,.dz13
		993	paddd mm7,.dz23
		994	movq .cby2,mm0
		995	movq .cby1,mm1
		996	movq .cey2,mm2
		997	movq .cey1,mm3
		998	movq .cty1,mm4
		999	movq .cty2,mm5
		1000	movq .cz1,mm6
		1001	movq .cz2,mm7
		1002	end if
1819	yogev_ezra	1003	If Ext = NON
		1004	mov edx,.dbx13
1245	hidnplayr	1005	add .cbx1,edx
		1006	mov eax,.dbx23
		1007	add .cbx2,eax
		1008	mov ebx,.dby13
		1009	add .cby1,ebx
		1010	mov edx,.dby23
		1011	add .cby2,edx
		1012
		1013
		1014	add .cex1,eax
		1015	mov ebx,.dex23
		1016	add .cex2,ebx
		1017	mov edx,.dey13
		1018	add .cey1,edx
		1019	mov eax,.dey23
		1020	add .cey2,eax
		1021
		1022
		1023	add .cx1,eax
		1024	mov ebx,.dx23
		1025	add .cx2,ebx
		1026	mov ebx,.dz13
		1027	add .cz1,ebx
		1028	mov edx,.dz23
		1029	add .cz2,edx
		1030
		1031
		1032	add .ctx1,eax
		1033	mov ebx,.dtx23
		1034	add .ctx2,ebx
		1035	mov edx,.dty13
		1036	add .cty1,edx
		1037	mov eax,.dty23
		1038	add .cty2,eax
		1039	end if
		1040	inc ecx
		1041	cmp cx,.y3
		1042	jl .loop23
		1043	.loop23_done:
		1044
		1045
		1046	ret 50
		1047
		1048
		1049
		1050
		1051	push .tex_ptr
		1052	push dword .cty1
		1053	push .ctx1
		1054	push dword .cz1
		1055	push dword .cty2
1819	yogev_ezra	1056	push .ctx2
		1057	push dword .cz2
1245	hidnplayr	1058	push .z_buff
		1059	push .t_emap
		1060	push .t_bmap
		1061	push dword .cey2
		1062	push .cex2
		1063	push dword .cby2
1819	yogev_ezra	1064	push .cbx2
		1065	push dword .cey1
1245	hidnplayr	1066	push .cex1
		1067	;if Ext >= SSE2
2192	leency	1068	; sub esp,8
		1069	; shufps xmm0,xmm0,10110100b
		1070	; movhps [esp],xmm0 ;================================
		1071	;else
		1072
		1073
1245	hidnplayr	1074	push .cbx1
		1075	;end if
2192	leency	1076
		1077
1245	hidnplayr	1078
		1079
		1080	sar eax,ROUND
		1081	mov ebx,.cx2
		1082	sar ebx,ROUND
		1083
		1084
		1085
		1086
		1087	;end if
1819	yogev_ezra	1088	ret
1245	hidnplayr	1089	bump_tex_line_z:
		1090	;--------------in: eax - x1
		1091	;-------------- ebx - x2
		1092	;-------------- edi - pointer to screen buffer
		1093	;stack - another parameters :
		1094	.y equ dword [ebp+4]
		1095
		1096
1819	yogev_ezra	1097	.by1 equ [ebp+12] ; \|
		1098	.ex1 equ [ebp+16] ; \|
		1099	.ey1 equ [ebp+20] ; \|
		1100	.bx2 equ [ebp+24] ; \|
		1101	.by2 equ [ebp+28] ; \|> b. map and e. map coords
		1102	.ex2 equ [ebp+32] ; \|> shifted shl ROUND
		1103	.ey2 equ [ebp+36] ; ---
		1104	.bmap equ [ebp+40] ; bump map offset
		1105	.emap equ [ebp+44] ; env map offset
		1106	.z_buff equ [ebp+48]
		1107	.z2 equ [ebp+52]
		1108	.tx2 equ [ebp+56]
		1109	.ty2 equ [ebp+60]
		1110	.z1 equ [ebp+64]
		1111	.tx1 equ [ebp+68]
		1112	.ty1 equ [ebp+72]
		1113	.tex_map equ dword [ebp+76] ; texture offset ( pointer )
1245	hidnplayr	1114
		1115
		1116
1819	yogev_ezra	1117	.x2 equ [ebp-8]
		1118	.dbx equ [ebp-12]
		1119	.dby equ [ebp-16]
		1120	.dex equ [ebp-20]
		1121	.dey equ [ebp-24]
		1122	.dz equ [ebp-28]
		1123	.dtx equ [ebp-32]
		1124	.dty equ [ebp-36]
		1125
1245	hidnplayr	1126
1819	yogev_ezra	1127	.cby equ [ebp-44]
		1128	.cex equ [ebp-48]
		1129	.cey equ [ebp-52]
		1130	.cz equ [ebp-56]
		1131	.czbuff equ [ebp-60]
		1132	.ctx equ [ebp-64]
		1133	.cty equ [ebp-68]
		1134	.c_scr equ [ebp-72]
		1135
1245	hidnplayr	1136
		1137	.temp2 equ ebp-88
		1138	.temp3 equ ebp-76
		1139	.temp4 equ ebp-84
		1140	.temp5 equ ebp-92
		1141
		1142
		1143
		1144
		1145	or ecx,ecx
		1146	jl .bl_end
		1147	cmp ecx,SIZE_Y
		1148	jge .bl_end
		1149
		1150
		1151	jl .bl_ok
		1152	je .bl_end
		1153
		1154
		1155	if Ext=NON
		1156	mov edx,.bx1
		1157	xchg edx,.bx2
		1158	mov .bx1,edx
		1159	mov edx,.by1
		1160	xchg edx,.by2
		1161	mov .by1,edx
		1162
		1163
		1164	xchg edx,.ex2
		1165	mov .ex1,edx
		1166	mov edx,.ey1
		1167	xchg edx,.ey2
		1168	mov .ey1,edx
		1169
		1170
		1171	xchg edx,.tx2
		1172	mov .tx1,edx
		1173	mov edx,.ty1
		1174	xchg edx,.ty2
		1175	mov .ty1,edx
		1176	end if
		1177	if Ext = MMX
1819	yogev_ezra	1178	movq mm0,.bx1
		1179	movq mm1,.bx2
		1180	movq mm2,.ex1
		1181	movq mm3,.ex2
		1182	movq mm4,.tx1
		1183	movq mm5,.tx2
		1184	movq .bx2,mm0
		1185	movq .bx1,mm1
		1186	movq .ex1,mm3
		1187	movq .ex2,mm2
		1188	movq .tx1,mm5
		1189	movq .tx2,mm4
		1190	end if
		1191	if Ext>=SSE
		1192	movups xmm0,.bx1
		1193	movups xmm1,.bx2
		1194	movups .bx1,xmm1
		1195	movups .bx2,xmm0
		1196	movq mm0,.tx1
		1197	movq mm1,.tx2
		1198	movq .tx1,mm1
		1199	movq .tx2,mm0
		1200	end if
		1201
1245	hidnplayr	1202
		1203	xchg edx,.z2
		1204	mov .z1,edx
		1205	.bl_ok:
		1206	push eax
		1207	push ebx ;store x1, x2
		1208	cmp dword .x1,SIZE_X
1819	yogev_ezra	1209	jge .bl_end
1245	hidnplayr	1210	cmp dword .x2,0
1819	yogev_ezra	1211	jle .bl_end
1245	hidnplayr	1212
		1213
		1214	sub ebx,.x1
		1215
		1216
		1217
		1218
		1219	cvtsi2ss xmm3,ebx ;rcps
		1220	shufps xmm3,xmm3,0
		1221	; float using SSE variant ::-->
1819	yogev_ezra	1222	; movups xmm0,.bx1 ; new
		1223	; movups xmm1,.bx2 ; new
		1224
1245	hidnplayr	1225
1819	yogev_ezra	1226	movlhps xmm0,xmm0
1245	hidnplayr	1227	cvtpi2ps xmm0,.ex1 ;mm2
1819	yogev_ezra	1228	cvtpi2ps xmm1,.bx2 ;mm1
		1229	movlhps xmm1,xmm1
1245	hidnplayr	1230	cvtpi2ps xmm1,.ex2 ;mm3
1819	yogev_ezra	1231	subps xmm1,xmm0
1245	hidnplayr	1232
		1233
		1234
		1235
		1236	; movups .dey,xmm1 ; new
1819	yogev_ezra	1237	cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords
1245	hidnplayr	1238	movhlps xmm1,xmm1
		1239	cvtps2pi mm1,xmm1
		1240	movq .dey,mm0
1819	yogev_ezra	1241	movq .dby,mm1
		1242
1245	hidnplayr	1243
		1244	movd mm3,.z2
		1245
		1246
1819	yogev_ezra	1247	movlhps xmm0,xmm0
1245	hidnplayr	1248	cvtpi2ps xmm0,mm2
		1249	cvtpi2ps xmm1,.tx2 ;mm1
1819	yogev_ezra	1250	movlhps xmm1,xmm1
1245	hidnplayr	1251	cvtpi2ps xmm1,mm3
		1252	; movups xmm0,,z1 ; new
1819	yogev_ezra	1253	; movups xmm1,.z2 ; new
		1254	subps xmm1,xmm0
1245	hidnplayr	1255
		1256
		1257
		1258
1819	yogev_ezra	1259
		1260
1245	hidnplayr	1261	cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords
		1262	movhlps xmm1,xmm1
		1263	cvtps2pi mm1,xmm1
		1264	movd .dz,mm0
		1265	movq .dty,mm1
1819	yogev_ezra	1266
1245	hidnplayr	1267
		1268
		1269
		1270	sub eax,.bx1
		1271	cdq
		1272	idiv ebx
		1273	push eax
		1274
		1275
		1276	sub eax,.by1
		1277	cdq
		1278	idiv ebx
		1279	push eax
		1280
		1281
		1282	sub eax,.ex1
		1283	cdq
		1284	idiv ebx
		1285	push eax
		1286
		1287
		1288	sub eax,.ey1
		1289	cdq
		1290	idiv ebx
		1291	push eax
		1292
		1293
		1294
		1295	sub eax,.z1
		1296	cdq
		1297	idiv ebx
		1298	push eax
		1299
		1300
		1301	sub eax,.tx1
		1302	cdq
		1303	idiv ebx
		1304	push eax
		1305
		1306
		1307	sub eax,.ty1
		1308	cdq
		1309	idiv ebx
		1310	push eax
		1311
		1312
		1313	cmp dword .x1,0 ; set correctly begin variable
1819	yogev_ezra	1314	jge @f ; CLIPPING ON FUNCTION
1245	hidnplayr	1315	; cutting triangle exceedes screen
		1316	mov ebx,.x1
		1317	neg ebx
		1318
1819	yogev_ezra	1319
		1320
		1321
		1322	; shufps xmm0,xmm0,0
		1323	; movups xmm1,.dey
		1324	; mulps xmm1,xmm0
		1325	; shufps xmm1,xmm1,00011011b
		1326	; movups xmm2,.bx1
		1327	; addps xmm2,xmm1
		1328	; movups .bx1,xmm2
		1329
		1330
		1331	imul ebx ; eax = .dz * abs(.x1)
1245	hidnplayr	1332	add .z1,eax
		1333	mov dword .x1,0
1819	yogev_ezra	1334
1245	hidnplayr	1335
		1336	imul ebx
		1337	add .bx1,eax
		1338
		1339
		1340	imul ebx
		1341	add .by1,eax
		1342
		1343
		1344	imul ebx
		1345	add .ex1,eax
		1346
		1347
		1348	imul ebx
		1349	add .ey1,eax
		1350
		1351
		1352	imul ebx
		1353	add .tx1,eax
		1354
		1355
		1356	imul ebx
		1357	add .ty1,eax
		1358
		1359
		1360	cmp dword .x2,SIZE_X
1819	yogev_ezra	1361	jl @f
1245	hidnplayr	1362	mov dword .x2,SIZE_X
1819	yogev_ezra	1363	@@:
1245	hidnplayr	1364	mov eax,SIZE_X ;calc memory begin in buffers
		1365	mul .y
		1366	add eax,.x1
		1367	lea esi,[4*eax]
		1368	add esi,.z_buff ; z-buffer filled with dd variables
		1369	lea eax,[eax*3]
		1370	add edi,eax
		1371
		1372
		1373
		1374	sub ecx,.x1
		1375	; init current variables
		1376	push dword .bx1 ; current b, e and t shifted shl ROUND .cbx
1819	yogev_ezra	1377	push dword .by1 ; .cby
		1378	push dword .ex1 ; .cex
		1379	push dword .ey1 ; .cey
		1380
1245	hidnplayr	1381
1819	yogev_ezra	1382	push esi ; .czbuff
1245	hidnplayr	1383
		1384
1819	yogev_ezra	1385	push dword .ty1 ; .cty
		1386	push edi ; .c_scr
1245	hidnplayr	1387	;if Ext = SSE2
1979	yogev_ezra	1388	; mov eax,TEXTURE_SIZE
		1389	; movd xmm1,eax
		1390	; shufps xmm1,xmm1,0
		1391	; push dword TEX_X
		1392	; push dword -TEX_X
		1393	; push dword 1
		1394	; push dword -1
		1395	; movups xmm2,[esp]
		1396	; movd xmm3,.bmap
		1397	; shufps xmm3,xmm3,0
		1398	;end if
		1399
		1400
1245	hidnplayr	1401	movq mm7,.cty
1819	yogev_ezra	1402	movq mm6,.cby
		1403	movq mm5,.cey
		1404	; movq mm4,.dtyq
1245	hidnplayr	1405	; movq mm3,.dbyq
		1406	end if
		1407
		1408
		1409	; if TEX = SHIFTING ;bump drawing only in shifting mode
		1410	mov esi,.czbuff ; .czbuff current address in buffer
		1411	mov ebx,.cz ; .cz - cur z position
		1412	cmp ebx,dword[esi]
		1413	jge .skip
		1414	if Ext=NON
		1415	mov eax,.cby
		1416	shr eax,ROUND
		1417	mov esi,.cbx
		1418	shr esi,ROUND
		1419	else
		1420	movq mm1,mm6
		1421	psrld mm1,ROUND
		1422	movd eax,mm1
		1423	psrlq mm1,32
		1424	movd esi,mm1
		1425	end if
		1426
		1427
		1428	add esi,eax ;- ; esi - current bump map index
		1429
		1430
1979	yogev_ezra	1431	;
		1432	; movd xmm0,esi
		1433	; shufps xmm0,xmm0,0
		1434	; paddd xmm0,xmm2
		1435	; pand xmm0,xmm1
		1436	; paddd xmm0,xmm3
		1437	;
		1438	; movd ebx,xmm0
		1439	; movzx eax,byte[ebx]
		1440	;
		1441	; shufps xmm0,xmm0,11100001b
		1442	; movd ebx,xmm0
		1443	; movzx ebx,byte[ebx]
		1444	; sub eax,ebx
		1445	;
		1446	; shufps xmm0,xmm0,11111110b
		1447	; movd ebx,xmm0
		1448	; movzx edx, byte [ebx]
		1449	;
		1450	; shufps xmm0,xmm0,11111111b
		1451	; movd ebx,xmm0
		1452	; movzx ebx, byte [ebx]
		1453	; sub edx,ebx
		1454	;
		1455	;else
		1456	mov ebx,esi
1245	hidnplayr	1457	dec ebx
		1458	and ebx,TEXTURE_SIZE
		1459	add ebx,.bmap
		1460	movzx eax,byte [ebx]
		1461
		1462
		1463	inc ebx
		1464	and ebx,TEXTURE_SIZE
		1465	add ebx,.bmap
		1466	movzx ebx,byte [ebx]
		1467	sub eax,ebx
		1468
		1469
		1470	sub ebx,TEX_X
		1471	and ebx,TEXTURE_SIZE
		1472	add ebx,.bmap
		1473	movzx edx,byte [ebx]
		1474
		1475
		1476	add ebx,TEX_X
		1477	and ebx,TEXTURE_SIZE
		1478	add ebx,.bmap
		1479	movzx ebx,byte [ebx]
		1480	sub edx,ebx
		1481	;end if
1979	yogev_ezra	1482
1245	hidnplayr	1483
		1484	; edx - vertical sub modificated y coord
		1485	if Ext=NON
		1486	mov ebx,.cex ;.cex - current env map X
		1487	shr ebx,ROUND
		1488	add eax,ebx
		1489
		1490
		1491
		1492	shr ebx,ROUND
		1493	add edx,ebx
		1494
		1495
		1496	movq mm1,mm5 ; mm5 - copy of cur env coords
		1497	psrld mm1,ROUND
		1498	movd ebx,mm1
		1499	psrlq mm1,32
		1500	add eax,ebx
		1501	movd ebx,mm1
		1502	add edx,ebx
		1503	; movq qword[.temp1],mm3
		1504	; add eax,dword [.temp1]
		1505	; add edx,dword [.temp1+4]
		1506	end if
		1507
		1508
		1509	jl .black
		1510	cmp eax,TEX_X
		1511	jg .black
		1512	or edx,edx
		1513	jl .black
		1514	cmp edx,TEX_Y
		1515	jg .black
		1516
		1517
		1518	add edx,eax ; proponuje nie stawiac czarnego pixela tylko
		1519	lea esi,[edx*3] ; niezaburzony.
		1520	add esi,.emap ;
		1521	lodsd
		1522
		1523
		1524	mov edx,.cty
		1525	shr edx,ROUND ; sar
		1526
		1527
		1528	shr edi,ROUND ; sar
		1529	else
		1530	movq mm1,mm7
		1531	psrld mm1,ROUND
		1532	movd edx,mm1
		1533	psrlq mm1,32
		1534	movd edi,mm1
		1535
		1536
		1537
		1538
		1539	add edi,edx
		1540	and edi,TEXTURE_SIZE
		1541	lea esi,[edi*3]
		1542	add esi,.tex_map
		1543
		1544
		1545	mov edx,eax
		1546	lodsd
		1547	push ax
		1548	mul dl
		1549	mov dl,ah
		1550	pop ax
		1551	shr ax,8
		1552	mul dh
		1553	mov al,dl
		1554	mov edi,.c_scr
		1555	stosw
		1556	shr edx,16
		1557	shr eax,16
		1558	mul dl
		1559	shr ax,8
		1560	stosb
		1561	else
		1562	movd mm0,eax
		1563	pxor mm1,mm1
		1564	punpcklbw mm0,mm1
		1565	movd mm2,[esi]
		1566	punpcklbw mm2,mm1
		1567	pmullw mm0,mm2
		1568	psrlw mm0,8
		1569	packuswb mm0,mm1
		1570	mov edi,.c_scr
		1571	movd [edi],mm0
		1572
		1573
		1574
		1575
		1576	@@:
		1577	.black:
		1578	xor eax,eax
		1579	mov edi,.c_scr
		1580	stosd
		1581	.actual_zbuff:
		1582	mov eax,.cz
		1583	mov edi,.czbuff
		1584	stosd
		1585
		1586
		1587	add dword .czbuff,4
1819	yogev_ezra	1588	add dword .c_scr,3
		1589
1245	hidnplayr	1590
		1591	mov eax,.dbx
		1592	add .cbx,eax
		1593	mov ebx,.dby
		1594	add .cby,ebx
		1595
		1596
		1597	add .cex,edx
		1598	mov eax,.dey
		1599	add .cey,eax
		1600
		1601
		1602	add .ctx,ebx
		1603	mov edx,.dty
		1604	add .cty,edx
		1605
		1606
		1607	paddd mm7,.dty
1819	yogev_ezra	1608	paddd mm6,.dby
		1609	paddd mm5,.dey
		1610	end if
1245	hidnplayr	1611	mov eax,.dz
		1612	add .cz,eax
		1613
		1614
		1615	jnz .draw
		1616
		1617
		1618	mov esp,ebp
		1619	ret 76
		1620	;Ext = MMX
		1621
		1622
		1623	; movq mm5, qword[.temp1] ;-
		1624	; paddd mm5, qword[.temp5] ; .temp5 == low dword = TEX_X, high dword = -TEX_X
		1625	; pand mm5, qword[.temp3] ; .temp3 == low = high dword = TEX_SIZE
		1626	; paddd mm5, qword[.temp4] ; .temp4 == low = high dword = offset .bmap
		1627	; movd ebx,mm5
		1628	; psrlq mm5,32
		1629	; end if
		1630

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(root)/programs/demos/3DS/BUMP_TEX.INC @ 2564 – Rev 2192