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	;temporaly conversion to keep upside down
		295	; fninit
		296	; fld .dx12
		297	; fistp .dx12
		298	; fld dword .dz12
		299	; fistp dword .dz12
		300	; fld .dbx12
		301	; fistp .dbx12
		302	; fld dword .dby12
		303	; fistp dword .dby12
		304	; fld .dex12
		305	; fistp .dex12
		306	; fld dword .dey12
		307	; fistp dword .dey12
		308	; fld .dtx12
		309	; fistp .dtx12
		310	; fld dword .dty12
		311	; fistp dword .dty12
		312	;----
1776	yogev_ezra	313	; mov ax,.z2
1245	hidnplayr	314	; sub ax,.z1
		315	; cwde
		316	; mov bx,.x2
		317	; sub bx,.x1
		318	; movsx ebx,bx
		319	; movd mm1,eax
		320	; psllq mm1,32
		321	; movd mm1,ebx
		322
1776	yogev_ezra	323
1245	hidnplayr	324	;; push eax
		325	;; movq mm1,[esp]
		326	;; add esp,8
		327	;;; mov ax,.z1
		328	;;; mov bx,.z2
		329	;;; shl eax,16
		330	;;; shl ebx,16
		331	;;; mov ax,.x1
		332	;;; mov bx,.x2
		333	; movd mm2,[.t_x1]
		334	; movd mm3,[.t_x2]
		335	;; movd mm0,eax
		336	;; movd mm1,ebx
		337
		338
		339	;; punpcklwd mm0,mm4
		340	;; punpcklwd mm1,mm4
		341	; punpcklwd mm2,mm4
		342	; punpcklwd mm3,mm4
		343
		344
		345	; psubd mm3,mm2
		346
		347
		348
		349	; movlhps xmm1,xmm1
		350	; cvtpi2ps xmm1,mm3
		351
		352
		353
		354
		355	; xmm1--> \| dx \| dz \| dtx \| dty \|
		356	; cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords \| dtx \| dty \|
		357	; movhlps xmm1,xmm1
		358	; cvtps2pi mm1,xmm1 ; mm1 --> 2 delta dwords \| dx \| dz \|
		359	; movq .dty12,mm0
		360	; movq .dz12,mm1
		361	else
		362	mov ax,.x2
1819	yogev_ezra	363	sub ax,.x1
		364	cwde
		365	shl eax,ROUND
		366	cdq
		367	idiv ebx
		368	; mov .dx12,eax
		369	push eax
		370
		371
1776	yogev_ezra	372	sub ax,.z1
		373	cwde
		374	shl eax,CATMULL_SHIFT
		375	cdq
		376	idiv ebx
		377	push eax
		378
1245	hidnplayr	379
		380	sub ax,word[.b_x1]
		381	cwde
		382	shl eax,ROUND
		383	cdq
		384	idiv ebx
		385	; mov .dbx12,eax
		386	push eax
		387
		388
		389	sub ax,word[.b_y1]
		390	cwde
		391	shl eax,ROUND
		392	cdq
		393	idiv ebx
		394	; mov .dby12,eax
		395	push eax
		396
		397
		398	sub ax,word[.e_x1]
		399	cwde
		400	shl eax,ROUND
		401	cdq
		402	idiv ebx
		403	; mov .dex12,eax
		404	push eax
		405
		406
		407	sub ax,word[.e_y1]
		408	cwde
		409	shl eax,ROUND
		410	cdq
		411	idiv ebx
		412	; mov .dey12,eax
		413	push eax
		414
		415
		416	sub ax,word[.t_x1]
		417	cwde
		418	shl eax,ROUND
		419	cdq
		420	idiv ebx
		421	; mov .dtx12,eax
		422	push eax
		423
		424
		425	sub ax,word[.t_y1]
		426	cwde
		427	shl eax,ROUND
		428	cdq
		429	idiv ebx
		430	; mov .dty12,eax
		431	push eax
		432	end if
1776	yogev_ezra	433	.bt_dx12_done:
1245	hidnplayr	434
		435
		436	sub bx,.y1
		437	jnz .bt_dx13_make
		438	mov ecx,8
		439	xor edx,edx
		440	@@:
		441	push edx ;dword 0
		442	loop @b
		443	jmp .bt_dx13_done
		444	.bt_dx13_make:
		445	movsx ebx,bx
		446
		447
		448
		449
1819	yogev_ezra	450	; mov eax,256
		451	cvtsi2ss xmm4,[i255d]
1245	hidnplayr	452	cvtsi2ss xmm3,ebx ;rcps
		453	divss xmm3,xmm4
		454	shufps xmm3,xmm3,0
		455
		456
		457	movd mm1,[.b_x3]
		458	movd mm2,[.e_x1]
		459	movd mm3,[.e_x3]
		460
		461
		462	punpcklwd mm0,mm4
		463	punpcklwd mm1,mm4
		464	punpcklwd mm2,mm4
		465	punpcklwd mm3,mm4
		466
		467
		468	psubd mm3,mm2
		469
		470
		471	movlhps xmm1,xmm1
		472	cvtpi2ps xmm1,mm3
		473
		474
		475
		476
		477	;xmm1--> \| dbx \| dby \| dex \| dey \|
		478	;1 movups .dey13,xmm1
1819	yogev_ezra	479
		480
		481	movhlps xmm1,xmm1
1245	hidnplayr	482	cvtps2pi mm1,xmm1 ;mm1,xmm1
1819	yogev_ezra	483	movq .dey13,mm0
1245	hidnplayr	484	movq .dby13,mm1
		485
1819	yogev_ezra	486
1776	yogev_ezra	487	sub ax,.z1
		488	cwde
		489
		490
1819	yogev_ezra	491	sub dx,.x1
		492	movsx edx,dx
		493
		494
1776	yogev_ezra	495	movd mm3,[.t_x3]
		496
		497
		498	punpcklwd mm3,mm4
		499	psubd mm3,mm2
		500
		501
		502	movlhps xmm1,xmm1
		503	cvtsi2ss xmm1,edx
1819	yogev_ezra	504	shufps xmm1,xmm1,00101111b
		505	cvtpi2ps xmm1,mm3
1776	yogev_ezra	506
		507
1819	yogev_ezra	508
1776	yogev_ezra	509
		510	; xmm1--> \| dx \| dz \| dtx \| dty \|
1819	yogev_ezra	511	;1 movlps .dty13,xmm1
		512	;1 movhps .dz13,xmm1
		513
		514
1776	yogev_ezra	515	movhlps xmm1,xmm1
		516	cvtps2pi mm1,xmm1
1819	yogev_ezra	517	movq .dty13,mm0
1776	yogev_ezra	518	movq .dz13,mm1
1819	yogev_ezra	519
		520
		521	; fninit
		522	; fld .dx13
		523	; fistp .dx13
		524	; fld dword .dz13
		525	; fistp dword .dz13
		526	; fld .dbx13
		527	; fistp .dbx13
		528	; fld dword .dby13
		529	; fistp dword .dby13
		530	; fld .dex13
		531	; fistp .dex13
		532	; fld dword .dey13
		533	; fistp dword .dey13
		534	; fld .dtx13
		535	; fistp .dtx13
		536	; fld dword .dty13
		537	; fistp dword .dty13
		538
		539
1245	hidnplayr	540
1819	yogev_ezra	541
		542	sub ax,.x1
		543	cwde
		544	shl eax,ROUND
		545	cdq
		546	idiv ebx
		547	; mov .dx13,eax
		548	push eax
		549
		550
1776	yogev_ezra	551	sub ax,.z1
		552	cwde
		553	shl eax,CATMULL_SHIFT
		554	cdq
		555	idiv ebx
		556	; mov .dz13,eax
		557	push eax
		558
		559
		560
1245	hidnplayr	561	sub ax,word[.b_x1]
		562	cwde
		563	shl eax,ROUND
		564	cdq
		565	idiv ebx
		566	; mov .dbx13,eax
		567	push eax
		568
		569
		570	sub ax,word[.b_y1]
		571	cwde
		572	shl eax,ROUND
		573	cdq
		574	idiv ebx
		575	; mov .dby13,eax
		576	push eax
		577
		578
		579	sub ax,word[.e_x1]
		580	cwde
		581	shl eax,ROUND
		582	cdq
		583	idiv ebx
		584	; mov .dex13,eax
		585	push eax
		586
		587
		588	sub ax,word[.e_y1]
		589	cwde
		590	shl eax,ROUND
		591	cdq
		592	idiv ebx
		593	; mov .dey13,eax
		594	push eax
		595
		596
		597	sub ax,word[.t_x1]
		598	cwde
		599	shl eax,ROUND
		600	cdq
		601	idiv ebx
		602	; mov .dtx13,eax
		603	push eax
		604
		605
		606	sub ax,word[.t_y1]
		607	cwde
		608	shl eax,ROUND
		609	cdq
		610	idiv ebx
		611	; mov .dty13,eax
		612	push eax
		613	end if
1776	yogev_ezra	614	.bt_dx13_done:
1245	hidnplayr	615
		616
		617	sub bx,.y2
		618	jnz .bt_dx23_make
		619	mov ecx,8
		620	xor edx,edx
		621	@@:
		622	push edx ;dword 0
		623	loop @b
		624	jmp .bt_dx23_done
		625	.bt_dx23_make:
		626	movsx ebx,bx
		627
		628
		629
		630
1819	yogev_ezra	631	; mov eax,256
		632	cvtsi2ss xmm4,[i255d]
1245	hidnplayr	633	cvtsi2ss xmm3,ebx ;rcps
		634	divss xmm3,xmm4
		635	shufps xmm3,xmm3,0
		636
		637
		638	movd mm1,[.b_x3]
		639	movd mm2,[.e_x2]
		640	movd mm3,[.e_x3]
		641
		642
		643	punpcklwd mm0,mm4
		644	punpcklwd mm1,mm4
		645	punpcklwd mm2,mm4
		646	punpcklwd mm3,mm4
		647
		648
		649	psubd mm3,mm2
		650
		651
		652	movlhps xmm1,xmm1
		653	cvtpi2ps xmm1,mm3
		654
		655
		656
		657
		658	;xmm1--> \| dbx \| dby \| dex \| dey \|
		659	;1 movups .dey23,xmm1
1819	yogev_ezra	660
		661
		662	movhlps xmm1,xmm1
1245	hidnplayr	663	cvtps2pi mm1,xmm1 ;mm1,xmm1
1819	yogev_ezra	664	movq .dey23,mm0
1245	hidnplayr	665	movq .dby23,mm1
		666
1819	yogev_ezra	667
1776	yogev_ezra	668	sub ax,.z2
		669	cwde
		670
		671
1819	yogev_ezra	672	sub dx,.x2
		673	movsx edx,dx
		674
		675
1776	yogev_ezra	676	movd mm3,[.t_x3]
		677
		678
		679	punpcklwd mm3,mm4
		680	psubd mm3,mm2
		681
		682
		683	movlhps xmm1,xmm1
		684	cvtsi2ss xmm1,edx
1819	yogev_ezra	685	shufps xmm1,xmm1,00101111b
		686	cvtpi2ps xmm1,mm3
1776	yogev_ezra	687
		688
1819	yogev_ezra	689
1776	yogev_ezra	690
		691	; xmm1--> \| dx \| dz \| dtx \| dty \|
1819	yogev_ezra	692	; movlps .dty23,xmm1
		693	; movhps .dz23,xmm1
		694	cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords \| dtx \| dty \|
1776	yogev_ezra	695	movhlps xmm1,xmm1
		696	cvtps2pi mm1,xmm1 ; mm1 --> 2 delta dwords \| dx \| dz \|
1819	yogev_ezra	697	movq .dty23,mm0
1776	yogev_ezra	698	movq .dz23,mm1
1819	yogev_ezra	699
		700
		701
		702	; fninit
		703	; fld .dx23
		704	; fistp .dx23
		705	; fld dword .dz23
		706	; fistp dword .dz23
		707	; fld .dbx23
		708	; fistp .dbx23
		709	; fld dword .dby23
		710	; fistp dword .dby23
		711	; fld .dex23
		712	; fistp .dex23
		713	; fld dword .dey23
		714	; fistp dword .dey23
		715	; fld .dtx23
		716	; fistp .dtx23
		717	; fld dword .dty23
		718	; fistp dword .dty23
		719	else
1245	hidnplayr	720	mov ax,.x3
1819	yogev_ezra	721	sub ax,.x2
		722	cwde
		723	shl eax,ROUND
		724	cdq
		725	idiv ebx
		726	; mov .dx23,eax
		727	push eax
		728
1776	yogev_ezra	729
		730	sub ax,.z2
		731	cwde
		732	shl eax,CATMULL_SHIFT
		733	cdq
		734	idiv ebx
		735	; mov .dz23,eax
		736	push eax
		737
		738
1245	hidnplayr	739	sub ax,word[.b_x2]
		740	cwde
		741	shl eax,ROUND
		742	cdq
		743	idiv ebx
		744	; mov .dbx23,eax
		745	push eax
		746
		747
		748	sub ax,word[.b_y2]
		749	cwde
		750	shl eax,ROUND
		751	cdq
		752	idiv ebx
		753	; mov .dby23,eax
		754	push eax
		755
		756
		757	sub ax,word[.e_x2]
		758	cwde
		759	shl eax,ROUND
		760	cdq
		761	idiv ebx
		762	; mov .dex23,eax
		763	push eax
		764
		765
		766	sub ax,word[.e_y2]
		767	cwde
		768	shl eax,ROUND
		769	cdq
		770	idiv ebx
		771	; mov .dey23,eax
		772	push eax
		773
		774
1776	yogev_ezra	775
1245	hidnplayr	776	sub ax,word[.t_x2]
		777	cwde
		778	shl eax,ROUND
		779	cdq
		780	idiv ebx
		781	; mov .dtx23,eax
		782	push eax
		783
		784
		785	sub ax,word[.t_y2]
		786	cwde
		787	shl eax,ROUND
		788	cdq
		789	idiv ebx
		790	; mov .dty23,eax
		791	push eax
		792	end if
1776	yogev_ezra	793	; sub esp,40
1245	hidnplayr	794	.bt_dx23_done:
		795	sub esp,64
		796	;if Ext>=SSE
1819	yogev_ezra	797	; movsx eax,.x1
		798	; shl eax,ROUND
		799	; cvtsi2ss xmm0,eax
		800	; movss .cx1,xmm0
		801	; movss .cx2,xmm0
		802	;
		803	; movsx ebx,word[.b_x1]
		804	; shl ebx,ROUND
		805	; cvtsi2ss xmm0,ebx
		806	; movss .cbx1,xmm0
		807	; movss .cbx2,xmm0
		808	;
		809	; movsx ecx,word[.b_y1]
		810	; shl ecx,ROUND
		811	; cvtsi2ss xmm0,ecx
		812	; movss .cby1,xmm0
		813	; movss .cby2,xmm0
		814
		815
		816	; shl edx,ROUND
		817	; cvtsi2ss xmm0,edx
		818	; movss .cex1,xmm0
		819	; movss .cex2,xmm0
		820	;
		821	; movsx eax,word[.e_y1]
		822	; shl eax,ROUND
		823	; cvtsi2ss xmm0,eax
		824	; movss .cey1,xmm0
		825	; movss .cey2,xmm0
		826	;
		827
		828
		829	; shl ebx,CATMULL_SHIFT
		830	; cvtsi2ss xmm0,ebx
		831	; movss .cz1,xmm0
		832	; movss .cz2,xmm0
		833	;
		834	; movsx ecx,word[.t_x1]
		835	; shl ecx,ROUND
		836	; cvtsi2ss xmm0,ecx
		837	; movss .ctx1,xmm0
		838	; movss .ctx2,xmm0
		839
		840
		841	; shl edx,ROUND
		842	; cvtsi2ss xmm0,edx
		843	; movss .cty1,xmm0
		844	; movss .cty2,xmm0
		845
		846
		847
		848
1245	hidnplayr	849	shl eax,ROUND
		850	mov .cx1,eax
		851	mov .cx2,eax
		852	; push eax
		853	; push eax
		854
		855
		856	shl ebx,ROUND
		857	mov .cbx1,ebx
		858	mov .cbx2,ebx
		859	; push ebx
		860	; push ebx
		861
		862
		863	shl ecx,ROUND
		864	mov .cby1,ecx
		865	mov .cby2,ecx
		866	; push ecx
		867	; push ecx
		868
		869
		870	shl edx,ROUND
		871	mov .cex1,edx
		872	mov .cex2,edx
		873	; push edx
		874	; push edx
		875
		876
		877	shl eax,ROUND
		878	mov .cey1,eax
		879	mov .cey2,eax
		880	; push eax
		881	; push eax
		882
		883
		884	shl ebx,CATMULL_SHIFT
		885	mov .cz1,ebx
		886	mov .cz2,ebx
		887	; push ebx
		888	; push ebx
		889
		890
		891	movsx ecx,word[.t_x1]
		892	shl ecx,ROUND
		893	mov .ctx1,ecx
		894	mov .ctx2,ecx
		895	;push ecx
		896	;push ecx
		897
		898
		899	shl edx,ROUND
		900	mov .cty1,edx
		901	mov .cty2,edx
		902	; push edx
		903	; push edx
		904	;end if
1819	yogev_ezra	905
1245	hidnplayr	906
		907	cmp cx,.y2
		908	jge .loop12_done
		909	.loop12:
		910	call .call_line
		911	;if Ext >= SSE
1819	yogev_ezra	912	; movups xmm0,.cby1
		913	; movups xmm1,.cty1
		914	; movups xmm2,.cby2
		915	; movups xmm3,.cty2
		916	; movups xmm4,.dby13
		917	; movups xmm5,.dty13
		918	; movups xmm6,.dby12
		919	; movups xmm7,.dty12
		920	; addps xmm0,xmm4
		921	; addps xmm1,xmm5
		922	; addps xmm2,xmm6
		923	; addps xmm3,xmm7
		924	;
		925	;; addps xmm0,.dby12
		926	;; addps xmm1,.dty12
		927	;; addps xmm2,.dby13
		928	;; addps xmm3,.dty13
		929	; movups .cby1,xmm0
		930	; movups .cty1,xmm1
		931	; movups .cby2,xmm2
		932	; movups .cty2,xmm3
		933	;end if
		934
1245	hidnplayr	935
		936	movq mm0,.cby2
		937	movq mm1,.cby1
		938	movq mm2,.cey2
		939	movq mm3,.cey1
		940	movq mm4,.cty1
		941	movq mm5,.cty2
		942	movq mm6,.cz1
		943	movq mm7,.cz2
		944	paddd mm0,.dby12
		945	paddd mm1,.dby13
		946	paddd mm2,.dey12
		947	paddd mm3,.dey13
		948	paddd mm4,.dty13
		949	paddd mm5,.dty12
		950	paddd mm6,.dz13
		951	paddd mm7,.dz12
		952	movq .cby2,mm0
		953	movq .cby1,mm1
		954	movq .cey1,mm3
		955	movq .cey2,mm2
		956	movq .cty1,mm4
		957	movq .cty2,mm5
		958	movq .cz1,mm6
		959	movq .cz2,mm7
		960	end if
1819	yogev_ezra	961	if Ext = NON
		962	mov edx,.dbx13
1245	hidnplayr	963	add .cbx1,edx
		964	mov eax,.dbx12
		965	add .cbx2,eax
		966	mov ebx,.dby13
		967	add .cby1,ebx
		968	mov edx,.dby12
		969	add .cby2,edx
		970
		971
		972	add .cex1,eax
		973	mov ebx,.dex12
		974	add .cex2,ebx
		975	mov edx,.dey13
		976	add .cey1,edx
		977	mov eax,.dey12
		978	add .cey2,eax
		979
		980
		981	add .ctx1,eax
		982	mov ebx,.dtx12
		983	add .ctx2,ebx
		984	mov edx,.dty13
		985	add .cty1,edx
		986	mov eax,.dty12
		987	add .cty2,eax
		988
		989
		990	add .cx1,eax
		991	mov ebx,.dx12
		992	add .cx2,ebx
		993	mov ebx,.dz13
		994	add .cz1,ebx
		995	mov edx,.dz12
		996	add .cz2,edx
		997	end if
		998	inc ecx
		999	cmp cx,.y2
		1000	jl .loop12
		1001	.loop12_done:
		1002
		1003
		1004	cmp cx,.y3
		1005	jge .loop23_done
		1006
		1007
1819	yogev_ezra	1008
		1009
1245	hidnplayr	1010	shl eax,CATMULL_SHIFT
		1011	mov .cz2,eax
		1012
		1013
		1014	shl ebx,ROUND
		1015	mov .cx2,ebx
		1016
		1017
		1018	shl edx,ROUND
		1019	mov .cbx2,edx
		1020
		1021
		1022	shl eax,ROUND
		1023	mov .cby2,eax
		1024
		1025
		1026	shl ebx,ROUND
		1027	mov .cex2,ebx
		1028
		1029
		1030	shl edx,ROUND
		1031	mov .cey2,edx
		1032
		1033
		1034	shl eax,ROUND
		1035	mov .ctx2,eax
		1036
		1037
		1038	shl ebx,ROUND
		1039	mov .cty2,ebx
		1040	;else
1819	yogev_ezra	1041	; movsx eax,.z2
		1042	; shl eax,CATMULL_SHIFT
		1043	; cvtsi2ss xmm0,eax
		1044	; movss .cz2,xmm0
		1045	;
		1046	; movsx ebx,.x2
		1047	; shl ebx,ROUND
		1048	; cvtsi2ss xmm1,ebx
		1049	; movss .cx2,xmm1
		1050	;
		1051	; movzx edx,word[.b_x2]
		1052	; shl edx,ROUND
		1053	; cvtsi2ss xmm2,edx
		1054	; movss .cbx2,xmm2
		1055	;
		1056	; movzx eax,word[.b_y2]
		1057	; shl eax,ROUND
		1058	; cvtsi2ss xmm0,eax
		1059	; movss .cby2,xmm0
		1060	;
		1061	; movzx ebx,word[.e_x2]
		1062	; shl ebx,ROUND
		1063	; cvtsi2ss xmm1,ebx
		1064	; movss .cex2,xmm1
		1065	;
		1066	; movzx edx,word[.e_y2]
		1067	; shl edx,ROUND
		1068	; cvtsi2ss xmm2,edx
		1069	; movss .cey2,xmm2
		1070	;
		1071	; movzx eax,word[.t_x2]
		1072	; shl eax,ROUND
		1073	; cvtsi2ss xmm0,eax
		1074	; movss .ctx2,xmm0
		1075	;
		1076	; movzx ebx,word[.t_y2]
		1077	; shl ebx,ROUND
		1078	; cvtsi2ss xmm1,ebx
		1079	; movss .cty2,xmm1
		1080
1245	hidnplayr	1081
1819	yogev_ezra	1082
		1083
1245	hidnplayr	1084	call .call_line
		1085
		1086
1819	yogev_ezra	1087
		1088
		1089	; movups xmm1,.cty1
		1090	; movups xmm2,.cby2
		1091	; movups xmm3,.cty2
		1092	; movups xmm4,.dby13
		1093	; movups xmm5,.dty13
		1094	; movups xmm6,.dby23
		1095	; movups xmm7,.dty23
		1096	; addps xmm0,xmm4
		1097	; addps xmm1,xmm5
		1098	; addps xmm2,xmm6
		1099	; addps xmm3,xmm7
		1100	; ; addps xmm0,.dby13
		1101	; ; addps xmm1,.dty13
		1102	; ; addps xmm2,.dby23
		1103	; ; addps xmm3,.dty23
		1104	; movups .cby1,xmm0
		1105	; movups .cty1,xmm1
		1106	; movups .cby2,xmm2
		1107	; movups .cty2,xmm3
		1108	;
		1109	;end if
		1110	if Ext >= MMX
1245	hidnplayr	1111	movq mm0,.cby2
		1112	movq mm1,.cby1
		1113	movq mm2,.cey2
		1114	movq mm3,.cey1
		1115	movq mm4,.cty1
		1116	movq mm5,.cty2
		1117	movq mm6,.cz1
		1118	movq mm7,.cz2
		1119	paddd mm0,.dby23
		1120	paddd mm1,.dby13
		1121	paddd mm2,.dey23
		1122	paddd mm3,.dey13
		1123	paddd mm4,.dty13
		1124	paddd mm5,.dty23
		1125	paddd mm6,.dz13
		1126	paddd mm7,.dz23
		1127	movq .cby2,mm0
		1128	movq .cby1,mm1
		1129	movq .cey2,mm2
		1130	movq .cey1,mm3
		1131	movq .cty1,mm4
		1132	movq .cty2,mm5
		1133	movq .cz1,mm6
		1134	movq .cz2,mm7
		1135	end if
1819	yogev_ezra	1136	If Ext = NON
		1137	mov edx,.dbx13
1245	hidnplayr	1138	add .cbx1,edx
		1139	mov eax,.dbx23
		1140	add .cbx2,eax
		1141	mov ebx,.dby13
		1142	add .cby1,ebx
		1143	mov edx,.dby23
		1144	add .cby2,edx
		1145
		1146
		1147	add .cex1,eax
		1148	mov ebx,.dex23
		1149	add .cex2,ebx
		1150	mov edx,.dey13
		1151	add .cey1,edx
		1152	mov eax,.dey23
		1153	add .cey2,eax
		1154
		1155
		1156	add .cx1,eax
		1157	mov ebx,.dx23
		1158	add .cx2,ebx
		1159	mov ebx,.dz13
		1160	add .cz1,ebx
		1161	mov edx,.dz23
		1162	add .cz2,edx
		1163
		1164
		1165	add .ctx1,eax
		1166	mov ebx,.dtx23
		1167	add .ctx2,ebx
		1168	mov edx,.dty13
		1169	add .cty1,edx
		1170	mov eax,.dty23
		1171	add .cty2,eax
		1172	end if
		1173	inc ecx
		1174	cmp cx,.y3
		1175	jl .loop23
		1176	.loop23_done:
		1177
		1178
		1179	ret 50
		1180
		1181
		1182	;if Ext >= SSE
1819	yogev_ezra	1183	; pushad
		1184	; push .tex_ptr
		1185	; fninit
		1186	; fld dword .cty1
		1187	; fistp dword [esp-4]
		1188	; sub esp,4
		1189	;; push dword .cty1
		1190	; fld .ctx1
		1191	; fistp dword [esp-4]
		1192	; sub esp,4
		1193	;; push .ctx1
		1194	; fld dword .cz1
		1195	; fistp dword [esp-4]
		1196	; sub esp,4
		1197	; ; push dwod .cz1
		1198	; fld dword .cty2
		1199	; fistp dword [esp-4]
		1200	; sub esp,4
		1201	; ; push .cty2
		1202	; fld .ctx2
		1203	; fistp dword [esp-4]
		1204	; sub esp,4
		1205	; ; push dword .ctx2
		1206	; fld dword .cz2
		1207	; fistp dword [esp-4]
		1208	; sub esp,4
		1209	;; push dword .cz2
		1210	;
		1211	; push .z_buff
		1212	; push .t_emap
		1213	; push .t_bmap
		1214	;--------------------------------------
		1215	; fld dword .cey2
		1216	; fistp dword [esp-4]
		1217	; sub esp,4
		1218	;; push dword .cey2
		1219	;
		1220	; fld .cex2
		1221	; fistp dword [esp-4]
		1222	; sub esp,4
		1223	;; push .cex2
		1224	;
		1225	; fld dword .cby2
		1226	; fistp dword [esp-4]
		1227	; sub esp,4
		1228	; ; push dword .cby2
		1229
1245	hidnplayr	1230
1819	yogev_ezra	1231	; fistp dword [esp-4]
		1232	; sub esp,4
		1233	; push .cbx2
		1234	;------------------------------------
		1235	; fld dword .cey1
		1236	; fistp dword [esp-4]
		1237	; sub esp,4
		1238	;; push dword .cey1
		1239	; fld .cex1
		1240	; fistp dword [esp-4]
		1241	; sub esp,4
		1242	; ; push .cex1
		1243	; fld dword .cby1
		1244	; fistp dword [esp-4]
		1245	; sub esp,4
		1246	;; push dword .cby1
		1247	; fld .cbx1
		1248	; fistp dword [esp-4]
		1249	; sub esp,4
		1250	;; push .cbx1
		1251	; push ecx
		1252
		1253
		1254	; fistp dword [esp-4]
		1255	; mov eax,[esp-4]
		1256	; sar eax,ROUND
		1257	; fld .cx2
		1258	; fistp dword [esp-4]
		1259	; mov ebx,[esp-4]
		1260	; sar ebx,ROUND
		1261
		1262
		1263	;
		1264	; popad
		1265	;else
		1266	pushad
1245	hidnplayr	1267	push .tex_ptr
		1268	push dword .cty1
		1269	push .ctx1
		1270	push dword .cz1
		1271	push dword .cty2
1819	yogev_ezra	1272	push .ctx2
		1273	push dword .cz2
1245	hidnplayr	1274	push .z_buff
		1275	push .t_emap
		1276	push .t_bmap
		1277	push dword .cey2
		1278	push .cex2
		1279	push dword .cby2
1819	yogev_ezra	1280	push .cbx2
		1281	push dword .cey1
1245	hidnplayr	1282	push .cex1
		1283	push dword .cby1
		1284	push .cbx1
		1285	push ecx
		1286
		1287
		1288	sar eax,ROUND
		1289	mov ebx,.cx2
		1290	sar ebx,ROUND
		1291
		1292
		1293
		1294
		1295	;end if
1819	yogev_ezra	1296	ret
1245	hidnplayr	1297	bump_tex_line_z:
		1298	;--------------in: eax - x1
		1299	;-------------- ebx - x2
		1300	;-------------- edi - pointer to screen buffer
		1301	;stack - another parameters :
		1302	.y equ dword [ebp+4]
		1303
		1304
1819	yogev_ezra	1305	.by1 equ [ebp+12] ; \|
		1306	.ex1 equ [ebp+16] ; \|
		1307	.ey1 equ [ebp+20] ; \|
		1308	.bx2 equ [ebp+24] ; \|
		1309	.by2 equ [ebp+28] ; \|> b. map and e. map coords
		1310	.ex2 equ [ebp+32] ; \|> shifted shl ROUND
		1311	.ey2 equ [ebp+36] ; ---
		1312	.bmap equ [ebp+40] ; bump map offset
		1313	.emap equ [ebp+44] ; env map offset
		1314	.z_buff equ [ebp+48]
		1315	.z2 equ [ebp+52]
		1316	.tx2 equ [ebp+56]
		1317	.ty2 equ [ebp+60]
		1318	.z1 equ [ebp+64]
		1319	.tx1 equ [ebp+68]
		1320	.ty1 equ [ebp+72]
		1321	.tex_map equ dword [ebp+76] ; texture offset ( pointer )
1245	hidnplayr	1322
		1323
		1324
1819	yogev_ezra	1325	.x2 equ [ebp-8]
		1326	.dbx equ [ebp-12]
		1327	.dby equ [ebp-16]
		1328	.dex equ [ebp-20]
		1329	.dey equ [ebp-24]
		1330	.dz equ [ebp-28]
		1331	.dtx equ [ebp-32]
		1332	.dty equ [ebp-36]
		1333
1245	hidnplayr	1334
1819	yogev_ezra	1335	.cby equ [ebp-44]
		1336	.cex equ [ebp-48]
		1337	.cey equ [ebp-52]
		1338	.cz equ [ebp-56]
		1339	.czbuff equ [ebp-60]
		1340	.ctx equ [ebp-64]
		1341	.cty equ [ebp-68]
		1342	.c_scr equ [ebp-72]
		1343
1245	hidnplayr	1344
		1345	.temp2 equ ebp-88
		1346	.temp3 equ ebp-76
		1347	.temp4 equ ebp-84
		1348	.temp5 equ ebp-92
		1349
		1350
		1351
		1352
		1353	or ecx,ecx
		1354	jl .bl_end
		1355	cmp ecx,SIZE_Y
		1356	jge .bl_end
		1357
		1358
		1359	jl .bl_ok
		1360	je .bl_end
		1361
		1362
		1363	if Ext=NON
		1364	mov edx,.bx1
		1365	xchg edx,.bx2
		1366	mov .bx1,edx
		1367	mov edx,.by1
		1368	xchg edx,.by2
		1369	mov .by1,edx
		1370
		1371
		1372	xchg edx,.ex2
		1373	mov .ex1,edx
		1374	mov edx,.ey1
		1375	xchg edx,.ey2
		1376	mov .ey1,edx
		1377
		1378
		1379	xchg edx,.tx2
		1380	mov .tx1,edx
		1381	mov edx,.ty1
		1382	xchg edx,.ty2
		1383	mov .ty1,edx
		1384	end if
		1385	if Ext = MMX
1819	yogev_ezra	1386	movq mm0,.bx1
		1387	movq mm1,.bx2
		1388	movq mm2,.ex1
		1389	movq mm3,.ex2
		1390	movq mm4,.tx1
		1391	movq mm5,.tx2
		1392	movq .bx2,mm0
		1393	movq .bx1,mm1
		1394	movq .ex1,mm3
		1395	movq .ex2,mm2
		1396	movq .tx1,mm5
		1397	movq .tx2,mm4
		1398	end if
		1399	if Ext>=SSE
		1400	movups xmm0,.bx1
		1401	movups xmm1,.bx2
		1402	movups .bx1,xmm1
		1403	movups .bx2,xmm0
		1404	movq mm0,.tx1
		1405	movq mm1,.tx2
		1406	movq .tx1,mm1
		1407	movq .tx2,mm0
		1408	end if
		1409
1245	hidnplayr	1410
		1411	xchg edx,.z2
		1412	mov .z1,edx
		1413	.bl_ok:
		1414	push eax
		1415	push ebx ;store x1, x2
		1416	cmp dword .x1,SIZE_X
1819	yogev_ezra	1417	jge .bl_end
1245	hidnplayr	1418	cmp dword .x2,0
1819	yogev_ezra	1419	jle .bl_end
1245	hidnplayr	1420
		1421
		1422	sub ebx,.x1
		1423
		1424
		1425
		1426
		1427	cvtsi2ss xmm3,ebx ;rcps
		1428	shufps xmm3,xmm3,0
		1429	; float using SSE variant ::-->
1819	yogev_ezra	1430	; movups xmm0,.bx1 ; new
		1431	; movups xmm1,.bx2 ; new
		1432
1245	hidnplayr	1433
1819	yogev_ezra	1434	movlhps xmm0,xmm0
1245	hidnplayr	1435	cvtpi2ps xmm0,.ex1 ;mm2
1819	yogev_ezra	1436	cvtpi2ps xmm1,.bx2 ;mm1
		1437	movlhps xmm1,xmm1
1245	hidnplayr	1438	cvtpi2ps xmm1,.ex2 ;mm3
1819	yogev_ezra	1439	subps xmm1,xmm0
1245	hidnplayr	1440
		1441
		1442
		1443
		1444	; movups .dey,xmm1 ; new
1819	yogev_ezra	1445	cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords
1245	hidnplayr	1446	movhlps xmm1,xmm1
		1447	cvtps2pi mm1,xmm1
		1448	movq .dey,mm0
1819	yogev_ezra	1449	movq .dby,mm1
		1450
1245	hidnplayr	1451
		1452	movd mm3,.z2
		1453
		1454
1819	yogev_ezra	1455	movlhps xmm0,xmm0
1245	hidnplayr	1456	cvtpi2ps xmm0,mm2
		1457	cvtpi2ps xmm1,.tx2 ;mm1
1819	yogev_ezra	1458	movlhps xmm1,xmm1
1245	hidnplayr	1459	cvtpi2ps xmm1,mm3
		1460	; movups xmm0,,z1 ; new
1819	yogev_ezra	1461	; movups xmm1,.z2 ; new
		1462	subps xmm1,xmm0
1245	hidnplayr	1463
		1464
		1465
		1466
1819	yogev_ezra	1467
		1468
1245	hidnplayr	1469	cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords
		1470	movhlps xmm1,xmm1
		1471	cvtps2pi mm1,xmm1
		1472	movd .dz,mm0
		1473	movq .dty,mm1
1819	yogev_ezra	1474
1245	hidnplayr	1475
		1476
		1477
		1478	sub eax,.bx1
		1479	cdq
		1480	idiv ebx
		1481	push eax
		1482
		1483
		1484	sub eax,.by1
		1485	cdq
		1486	idiv ebx
		1487	push eax
		1488
		1489
		1490	sub eax,.ex1
		1491	cdq
		1492	idiv ebx
		1493	push eax
		1494
		1495
		1496	sub eax,.ey1
		1497	cdq
		1498	idiv ebx
		1499	push eax
		1500
		1501
		1502
		1503	sub eax,.z1
		1504	cdq
		1505	idiv ebx
		1506	push eax
		1507
		1508
		1509	sub eax,.tx1
		1510	cdq
		1511	idiv ebx
		1512	push eax
		1513
		1514
		1515	sub eax,.ty1
		1516	cdq
		1517	idiv ebx
		1518	push eax
		1519
		1520
		1521	cmp dword .x1,0 ; set correctly begin variable
1819	yogev_ezra	1522	jge @f ; CLIPPING ON FUNCTION
1245	hidnplayr	1523	; cutting triangle exceedes screen
		1524	mov ebx,.x1
		1525	neg ebx
		1526
1819	yogev_ezra	1527
		1528
		1529
		1530	; shufps xmm0,xmm0,0
		1531	; movups xmm1,.dey
		1532	; mulps xmm1,xmm0
		1533	; shufps xmm1,xmm1,00011011b
		1534	; movups xmm2,.bx1
		1535	; addps xmm2,xmm1
		1536	; movups .bx1,xmm2
		1537
		1538
		1539	imul ebx ; eax = .dz * abs(.x1)
1245	hidnplayr	1540	add .z1,eax
		1541	mov dword .x1,0
1819	yogev_ezra	1542
1245	hidnplayr	1543
		1544	imul ebx
		1545	add .bx1,eax
		1546
		1547
		1548	imul ebx
		1549	add .by1,eax
		1550
		1551
		1552	imul ebx
		1553	add .ex1,eax
		1554
		1555
		1556	imul ebx
		1557	add .ey1,eax
		1558
		1559
		1560	imul ebx
		1561	add .tx1,eax
		1562
		1563
		1564	imul ebx
		1565	add .ty1,eax
		1566
		1567
		1568	cmp dword .x2,SIZE_X
1819	yogev_ezra	1569	jl @f
1245	hidnplayr	1570	mov dword .x2,SIZE_X
1819	yogev_ezra	1571	@@:
1245	hidnplayr	1572	mov eax,SIZE_X ;calc memory begin in buffers
		1573	mul .y
		1574	add eax,.x1
		1575	lea esi,[4*eax]
		1576	add esi,.z_buff ; z-buffer filled with dd variables
		1577	lea eax,[eax*3]
		1578	add edi,eax
		1579
		1580
		1581
		1582	sub ecx,.x1
		1583	; init current variables
		1584	push dword .bx1 ; current b, e and t shifted shl ROUND .cbx
1819	yogev_ezra	1585	push dword .by1 ; .cby
		1586	push dword .ex1 ; .cex
		1587	push dword .ey1 ; .cey
		1588
1245	hidnplayr	1589
1819	yogev_ezra	1590	push esi ; .czbuff
1245	hidnplayr	1591
		1592
1819	yogev_ezra	1593	push dword .ty1 ; .cty
		1594	push edi ; .c_scr
1245	hidnplayr	1595	if Ext>=MMX
		1596	movq mm7,.cty
1819	yogev_ezra	1597	movq mm6,.cby
		1598	movq mm5,.cey
		1599	; movq mm4,.dtyq
1245	hidnplayr	1600	; movq mm3,.dbyq
		1601	end if
		1602
		1603
		1604	; if TEX = SHIFTING ;bump drawing only in shifting mode
		1605	mov esi,.czbuff ; .czbuff current address in buffer
		1606	mov ebx,.cz ; .cz - cur z position
		1607	cmp ebx,dword[esi]
		1608	jge .skip
		1609	if Ext=NON
		1610	mov eax,.cby
		1611	shr eax,ROUND
		1612	mov esi,.cbx
		1613	shr esi,ROUND
		1614	else
		1615	movq mm1,mm6
		1616	psrld mm1,ROUND
		1617	movd eax,mm1
		1618	psrlq mm1,32
		1619	movd esi,mm1
		1620	end if
		1621
		1622
		1623
		1624	add esi,eax ;- ; esi - current bump map index
		1625
		1626
		1627	dec ebx
		1628	and ebx,TEXTURE_SIZE
		1629	add ebx,.bmap
		1630	movzx eax,byte [ebx]
		1631
		1632
		1633	inc ebx
		1634	and ebx,TEXTURE_SIZE
		1635	add ebx,.bmap
		1636	movzx ebx,byte [ebx]
		1637	sub eax,ebx
		1638
		1639
		1640	sub ebx,TEX_X
		1641	and ebx,TEXTURE_SIZE
		1642	add ebx,.bmap
		1643	movzx edx,byte [ebx]
		1644
		1645
		1646	add ebx,TEX_X
		1647	and ebx,TEXTURE_SIZE
		1648	add ebx,.bmap
		1649	movzx ebx,byte [ebx]
		1650	sub edx,ebx
		1651
		1652
1819	yogev_ezra	1653
1245	hidnplayr	1654	; edx - vertical sub modificated y coord
		1655	if Ext=NON
		1656	mov ebx,.cex ;.cex - current env map X
		1657	shr ebx,ROUND
		1658	add eax,ebx
		1659
		1660
		1661
		1662	shr ebx,ROUND
		1663	add edx,ebx
		1664
		1665
		1666	movq mm1,mm5 ; mm5 - copy of cur env coords
		1667	psrld mm1,ROUND
		1668	movd ebx,mm1
		1669	psrlq mm1,32
		1670	add eax,ebx
		1671	movd ebx,mm1
		1672	add edx,ebx
		1673	; movq qword[.temp1],mm3
		1674	; add eax,dword [.temp1]
		1675	; add edx,dword [.temp1+4]
		1676	end if
		1677
		1678
		1679	jl .black
		1680	cmp eax,TEX_X
		1681	jg .black
		1682	or edx,edx
		1683	jl .black
		1684	cmp edx,TEX_Y
		1685	jg .black
		1686
		1687
		1688	add edx,eax ; proponuje nie stawiac czarnego pixela tylko
		1689	lea esi,[edx*3] ; niezaburzony.
		1690	add esi,.emap ;
		1691	lodsd
		1692
		1693
		1694	mov edx,.cty
		1695	shr edx,ROUND ; sar
		1696
		1697
		1698	shr edi,ROUND ; sar
		1699	else
		1700	movq mm1,mm7
		1701	psrld mm1,ROUND
		1702	movd edx,mm1
		1703	psrlq mm1,32
		1704	movd edi,mm1
		1705
		1706
		1707
		1708
		1709	add edi,edx
		1710	and edi,TEXTURE_SIZE
		1711	lea esi,[edi*3]
		1712	add esi,.tex_map
		1713
		1714
		1715	mov edx,eax
		1716	lodsd
		1717	push ax
		1718	mul dl
		1719	mov dl,ah
		1720	pop ax
		1721	shr ax,8
		1722	mul dh
		1723	mov al,dl
		1724	mov edi,.c_scr
		1725	stosw
		1726	shr edx,16
		1727	shr eax,16
		1728	mul dl
		1729	shr ax,8
		1730	stosb
		1731	else
		1732	movd mm0,eax
		1733	pxor mm1,mm1
		1734	punpcklbw mm0,mm1
		1735	movd mm2,[esi]
		1736	punpcklbw mm2,mm1
		1737	pmullw mm0,mm2
		1738	psrlw mm0,8
		1739	packuswb mm0,mm1
		1740	mov edi,.c_scr
		1741	movd [edi],mm0
		1742
		1743
		1744
		1745
		1746	@@:
		1747	.black:
		1748	xor eax,eax
		1749	mov edi,.c_scr
		1750	stosd
		1751	.actual_zbuff:
		1752	mov eax,.cz
		1753	mov edi,.czbuff
		1754	stosd
		1755
		1756
		1757	add dword .czbuff,4
1819	yogev_ezra	1758	add dword .c_scr,3
		1759
1245	hidnplayr	1760
		1761	mov eax,.dbx
		1762	add .cbx,eax
		1763	mov ebx,.dby
		1764	add .cby,ebx
		1765
		1766
		1767	add .cex,edx
		1768	mov eax,.dey
		1769	add .cey,eax
		1770
		1771
		1772	add .ctx,ebx
		1773	mov edx,.dty
		1774	add .cty,edx
		1775
		1776
		1777	paddd mm7,.dty
1819	yogev_ezra	1778	paddd mm6,.dby
		1779	paddd mm5,.dey
		1780	end if
1245	hidnplayr	1781	mov eax,.dz
		1782	add .cz,eax
		1783
		1784
		1785	jnz .draw
		1786
		1787
		1788	mov esp,ebp
		1789	ret 76
		1790	;Ext = MMX
		1791
		1792
		1793	; movq mm5, qword[.temp1] ;-
		1794	; paddd mm5, qword[.temp5] ; .temp5 == low dword = TEX_X, high dword = -TEX_X
		1795	; pand mm5, qword[.temp3] ; .temp3 == low = high dword = TEX_SIZE
		1796	; paddd mm5, qword[.temp4] ; .temp4 == low = high dword = offset .bmap
		1797	; movd ebx,mm5
		1798	; psrlq mm5,32
		1799	; end if
		1800

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(root)/programs/demos/3DS/BUMP_TEX.INC – Rev 1819